E04BGENERAL BUILDING CONSTRUCTIONSWALLS, e.g. PARTITIONSROOFSFLOORSCEILINGSINSULATION OR OTHER PROTECTION OF BUILDINGS border constructions of opening in walls, floors or ceilings E06B1/00; electromagnetic shielding H05K9/0001This subclass covers working methods used in constructing new buildings and analogous working methods on existing buildings. Other working methods on existing buildings, except those for insulating, are classified in group E04G23/00.In this subclass, the following term is used with the meaning indicated:"ceiling" includes all the finishing material concealing the underside of the loadcarrying ceiling structure or roof structure.The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: E04B1/682 covered by E04B1/68E04B1/684 covered by E04B1/68E04B1/686 covered by E04B1/68In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. E04B1/00 E04B1/00Constructions in generalStructures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H; the particular parts of buildings, see the relevant groups for those parts E04B1/0007Base structures; Cellars E04B1/0015Cellars constructed from prefabricated units E04B1/0023Building characterised by incorporated canalisations E04B1/34869, E03C1/01, E04C2/52, E04F17/00 take precedence; canalisation per se F16L; conducts for ventilation, heating systems or air-conditioning F24 E04B1/003Balconies; Decks E04B1/0038Anchoring devices specially adapted therefor with means for preventing cold bridging E04B1/0046Loggias E04B2001/0053Buildings characterised by their shape or layout grid E04B2001/0061Buildings with substantially curved horizontal cross-section, e.g. circular E04B2001/0069Prismatic shaped buildings with substantially triangular vertical cross-section E04B2001/0076Buildings with specific right-angled horizontal layout grid E04B2001/0084Buildings with non right-angled horizontal layout grid, e.g. triangular or hexagonal E04B2001/0092Small buildings with hexagonal or similar horizontal cross-section E04B1/02Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements E04B1/32 - E04B1/36 take precedence E04B1/04the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material E04B1/043Connections specially adapted therefor E04B1/046using reinforcement loops protruding from the elements E04B1/06the elements being prestressed E04B1/08the elements consisting of metal E04B1/10the elements consisting of wood E04B1/12the elements consisting of other material E04B1/14the elements being composed of two or more materials of reinforced concrete E04B1/04 E04B1/16Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material E04B1/32 - E04B1/36 take precedence E04B1/161with vertical and horizontal slabs, both being partially cast in situ E04B1/162with a central core, used as form, in order to form a continuous concrete shell E04B1/163with vertical and horizontal slabs, only the vertical slabs being partially cast in situ E04B2/86 takes precedence E04B1/164with vertical and horizontal slabs, only the horizontal slabs being partially cast in situ E04B1/165with elongated load-supporting parts, cast in situ E04B1/161, E04B1/163 and E04B1/164 take precedence E04B1/166with curved surfaces, at least partially cast in situ in order to make a continuous concrete shell structure E04B1/169 takes precedence E04B1/167with permanent forms made of particular materials, e.g. layered products E04B1/168flexible E04B1/169inflatable E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons E04B1/32 - E04B1/36 take precedence; elongated load-supporting parts as elements, trusses, truss-like structures E04C3/00Group E04B1/19 takes precedence over groups E04B1/20 - E04B1/30.
This Note corresponds to IPC Note (1) relating to E04B1/19, E04B1/20 - E04B1/30. E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material E04B1/19Three-dimensional framework structures folded structures and grid-like formations acting as shell structures E04B7/10 E04B1/1903Connecting nodes specially adapted therefor E04B1/1906with central spherical, semispherical or polyhedral connecting element E04B1/1909with central cylindrical connecting element E04B1/1912with central cubical connecting element E04B2001/1915with strut engaging means at the edges of the cube E04B2001/1918with connecting nodes having flat radial connecting surfaces E04B2001/1921with connecting nodes having radial connecting stubs E04B2001/1924Struts specially adapted therefor E04B2001/1927of essentially circular cross section E04B2001/193with flattened connecting parts, e.g. ends E04B2001/1933of polygonal, e.g. square, cross section E04B2001/1936Winged profiles, e.g. with a L-, T-, U- or X-shaped cross section E04B2001/1939Inflatable struts E04B2001/1942Struts adjustable in length E04B2001/1945Wooden struts E04B2001/1948Concrete struts E04B2001/1951uninterrupted struts situated in the outer planes of the framework E04B2001/1954uninterrupted struts connecting alternately with the outer planes of the framework, e.g. zig-zagging struts E04B2001/1957Details of connections between nodes and struts E04B2001/196Screw connections with axis parallel to the main axis of the strut E04B2001/1963Screw connections with axis at an angle, e.g. perpendicular, to the main axis of the strut E04B2001/1966Formlocking connections other than screw connections E04B2001/1969Ball and socket type connection E04B2001/1972Welded or glued connection E04B2001/1975Frameworks where the struts are directly connected to each other, i.e. without interposed connecting nodes or plates E04B2001/1978Frameworks assembled from preformed subframes, e.g. pyramids E04B2001/1981characterised by the grid type of the outer planes of the framework E04B2001/1984rectangular, e.g. square, grid E04B2001/1987triangular grid E04B2001/199Details of roofs, floors or walls supported by the framework E04B2001/1993Details of framework supporting structure, e.g. posts or walls E04B2001/1996Tensile-integrity structures, i.e. structures comprising compression struts connected through flexible tension members, e.g. cables E04B1/20the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material E04B1/21Connections specially adapted therefor E04B1/215comprising metallic plates or parts E04B1/22with parts being prestressed E04B1/24the supporting parts consisting of metal E04B1/2403Connection details of the elongated load-supporting parts E04B2001/2406Connection nodes E04B2001/2409Hooks, dovetails or other interlocking connections E04B2001/2412Keyhole connections E04B2001/2415Brackets, gussets, joining plates E04B2001/2418Details of bolting E04B2001/2421Socket type connectors E04B2001/2424Clamping connections other than bolting or riveting E04B2001/2427using adhesives or hardening masses E04B2001/243Assembling by non resilient deformation other than riveting E04B2001/2433using a removable key E04B2001/2436Snap-fit connections E04B2001/2439Adjustable connections, e.g. using elongated slots or threaded adjustment elements E04B2001/2442Connections with built-in weakness points E04B2001/2445Load-supporting elements with reinforcement at the connection point other than the connector E04B2001/2448Connections between open section profiles E04B2001/2451Connections between closed section profiles E04B2001/2454Connections between open and closed section profiles E04B2001/2457Beam to beam connections E04B2001/246Post to post connections E04B2001/2463Connections to foundations E04B2001/2466Details of the elongated load-supporting parts E04B2001/2469Profile with an array of connection holes E04B2001/2472Elongated load-supporting part formed from a number of parallel profiles E04B2001/2475Profile with an undercut grooves for connection purposes E04B2001/2478Profile filled with concrete E04B2001/2481Details of wall panels E04B2001/2484Details of floor panels or slabs E04B2001/2487Portico type structures E04B2001/249Structures with a sloping roof E04B2001/2493Structures with a vaulted roof E04B2001/2496Shear bracing therefor E04B1/26the supporting parts consisting of wood E04B1/2604Connections specially adapted therefor shear dowels E04B1/486, E04B1/49 E04B1/2608Connectors made from folded sheet metal E04B1/2612 takes precedence E04B1/2612Joist hangers E04B2001/2616Hinged connections of wooden members E04B2001/262Connection node with interlocking of specially shaped wooden members, e.g. puzzle type connection E04B2001/2624with dovetail-type connections E04B2001/2628Interlocking connectors, e.g. with hooks or dovetails, added to the elongated wooden members E04B2001/2632with dovetail-type connections E04B2001/2636with connectors located in slots of the wooden members E04B2001/264Glued connections E04B2001/2644Brackets, gussets or joining plates E04B2001/2628 takes precedence E04B2001/2648located in slots of the elongated wooden members E04B2001/2652Details of nailing, screwing, or bolting E04B2001/2656Bent or curved bolts E04B2001/266Socket type connectors E04B2001/2664using a removable key E04B2001/2668for members with a round cross-section E04B2001/2672for members formed from a number of parallel sections E04B2001/2676Connector nodes E04B2001/262 takes precedence E04B2001/268Connection to foundations E04B2001/2684with metal connectors E04B2001/2688self adjusting, e.g. for compensation of shrinkage E04B2001/2692End to end connections of elongated members along their common longitudinal axis E04B2001/2696Shear bracing E04B1/28the supporting parts consisting of other material E04B1/30the supporting parts being composed of two or more materialsComposite steel and concrete constructions of reinforced concrete E04B1/20 E04B1/32Arched structuresVaulted structuresFolded structures E04B1/34378 takes precedence; vaulted roofs E04B7/08 E04B1/3205Structures with a longitudinal horizontal axis, e.g. cylindrical or prismatic structures E04B1/3211Structures with a vertical rotation axis or the like, e.g. semi-spherical structures E04B2001/3217Auxiliary supporting devices used during erection of the arched structures E04B2001/3223Theorical polygonal geometry therefor E04B2001/3229constructed using a boom E04B2001/3235having a grid frame E04B2001/3241Frame connection details E04B2001/3247Nodes E04B2001/3252Covering details E04B2001/3258comprised entirely of a single self-supporting panel E04B2001/3264hardened in situ E04B2001/327comprised of a number of panels or blocs connected together forming a self-supporting structure E04B2001/3276Panel connection details E04B2001/3282Panels connected together exclusively at their corners E04B2001/3288Panel frame details, e.g. flanges of steel sheet panels E04B2001/3294with a faceted surface E04B1/34Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairsFeatures relating to the elastic stability E04B1/342, E04B1/343, E04B1/348 take precedence; for floors E04B5/43; buildings for special purposes, e.g. withstanding earthquake, E04H E04B1/3404supported by masts or tower-like structures E04B1/3408Extraordinarily-supported small buildings E04B1/3412mainly supported by a central column or footing E04B1/3416 takes precedence E04B1/3416Structures comprising mainly a central support column and a cantilevered roof E04B1/342Structures covering a large free area, whether open-sided or not, e.g. hangars, halls roof trusses E04C3/00; non-structural features for specified purposes, see the relevant groups of E04H E04B1/343Structures characterised by movable, separable, or collapsible parts, e.g. for transport movable roof parts E04B7/16; floatable buildings B63B; small prefabricated buildings, transportable as a whole E04H1/12; small garages E04H6/02; tents or canopies, in general E04H15/00 ; containers B65G E04B1/34305telescopic E04B1/3431with only one level of nesting E04B1/34315characterised by separable parts E04B1/34321mainly constituted by panels E04B1/34326mainly constituted by longitudinal elements E04B1/34331mainly constituted by threedimensional elements E04B1/34336Structures movable as a whole E04B1/34342Skirtings therefor E04B1/34347Anchoring means therefor E04B1/34352Base structures or supporting means therefor E04B1/34357Foldable or retractable structures E04B1/34363with provisions to raise or lower the whole structure E04B1/34368Wheeled arch-type structures E04B1/34373collapsible E04B1/34378Structures deriving their rigidity from concertina folds E04B1/34384Assembling details for foldable, separable, collapsible or retractable structures E04B2001/34389Set of building elements forming a self-contained package for transport before assembly E04B2001/34394Vertical telescopic structures E04B1/344with hinged parts E04B1/3441with articulated bar-shaped elements E04B1/3442folding out from a core cell E04B1/3444with only lateral unfolding E04B1/3445foldable in a flat stack of parallel panels E04B1/3447Portal- or saddle-shaped structures E04B1/3448with rotating shell-forming segments E04B1/346Rotary buildingsBuildings with rotary units, e.g. rooms E04B1/3465with adapted utilities connections, e.g. for water or electricity E04B1/348Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form E04B1/34807Elements integrated in a skeleton E04B1/34815Elements not integrated in a skeleton E04B1/34823the supporting structure consisting of concrete E04B1/3483the supporting structure consisting of metal E04B1/34838the supporting structure consisting of wood E04B1/34846the supporting structure consisting of other specified material, e.g. of plastics E04B1/34853the supporting structure being composed of two or more materials E04B1/34861particular arrangement of habitable rooms or their component parts; modular co-ordination E04B1/34869Elements for special technical purposes, e.g. with a sanitary equipment combination of baths, douches, sinks, wash-basins, closets or urinals A47K4/00; plumbing installations for baths, douches, or the like, E03C1/01; panels serving for locating conduits E04C2/521; ducts for receiving installation lines E04F17/08 E04B2001/34876with a sloping or barrel roof E04B2001/34884creating a living space between several units E04B2001/34892Means allowing access to the units, e.g. stairs or cantilevered gangways E04B1/35Extraordinary methods of construction, e.g. lift-slab, jack-block E04B1/34 takes precedence; falsework, shuttering for shaping walls, floors, ceilings or roofs in situ E04G11/04; conveying or assembling of building materials E04G21/00; working measures on existing buildings E04G23/00 E04B1/3505characterised by the in situ moulding of large parts of a structure E04B1/3511, E04B1/3516, E04B1/3522, E04B1/3533, E04B1/3544, E04B1/355 take precedence E04B1/3511Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof E04B1/3516characterised by erecting a vertical structure and then adding the floors from top to bottom E04B1/3522characterised by raising a structure and then adding structural elements under it E04B1/3511, E04B1/3516, E04B1/3533 take precedence E04B1/3527the structure being a roof E04B1/3533characterised by the raising of hingedly-connected building elements, e.g. arches, portal frames E04B1/355 takes precedence E04B1/3538the elements being a floor slab with hingedly-connected wall panels E04B1/3544characterised by the use of a central column to lift and temporarily or permanently support structural elements E04B1/3516 and E04B1/355 take precedence E04B1/355characterised by the tilting up of whole buildings or sections thereof, e.g. walls, portal frames E04B1/3555Constructions using straw bales E04B2001/3561adding living space above existing structures E04B2001/3566mounting masonry against a forwork E04B2001/3572using templates or jigs to set out buildings or parts thereof E04B2001/3577prefabricating a building and moving it as a whole to the erection site E04B2001/3583using permanent tensioning means, e.g. cables or rods, to assemble or rigidify structures (not pre- or poststressing concrete), e.g. by tying them around the structure E04B2001/3588using special lifting or handling devices, e.g. gantries, overhead conveying rails E04B2001/3594inflatable lifting or handling devices E04B1/36Bearings or like supports allowing movement for bridges E01D19/04; buildings with-standing earthquakes E04H9/02 E04B1/38Connections for building structures in generalConnections specially adapted for particular building parts or for particular building structures are classified in the groups for those parts or structures, e.g. in groups E04B1/21, E04B2/00, E04B5/00, E04B7/00 or E04B9/00. Joints not specially adapted for building construction, or of more general application, are classified in the appropriate subclasses, e.g. F16B. E04B1/383Connection of concrete parts using adhesive materials, e.g. mortar or glue E04B2001/386Nailable or screwable inserts for foam panels E04B1/40Separate connecting elements for forms, falsework, or shutterings E04G17/00; releasable clips or clamps, hooks, wedges, wall-dowels, nails, bolts, rivets, screws, wood-screws F16B E04B2001/405Brackets E04B1/41Connecting devices specially adapted for embedding in concrete joist hangers E04B1/2612; shear dowels E04B1/483; spacers other than masonry wall ties for cavity walls E04B2/30, E04B2/44; connectors for reinforcing elements E04C5/16; supporting devices for connector reinforcing rods for concrete walls E04G21/125; fastening frames to the border of openings E06B1/56 E04B1/4107Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails E04B1/4114Elements with sockets E04B1/4107 takes precedence E04B1/4121with internal threads or non-adjustable captive nuts E04B1/4128receiving adjustable or removal nuts E04B1/4135receiving removal bolt heads E04B1/415 takes precedence E04B1/4142with transverse hook- or loop-receiving parts E04B1/415 takes precedence E04B1/415with captive and extendable anchoring parts, e.g. spring-loaded bolts, hanging rings E04B1/4157Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head E04B1/4164with an adjustment sleeve E04B1/4171Nailable or non-threaded screwable elements dowels F16B13/00 E04B1/4178Masonry wall ties with insulation-layer locating devices E04B1/7616; replacing or adding wall ties E04G23/0222 E04B1/4185for cavity walls with both wall leaves made of masonry spacers for permanent forms E04B2/86 E04B2001/4192attached to concrete reinforcing elements, e.g. rods or wires E04B1/48Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses E04B1/483Shear dowels to be embedded in concrete E04B1/486Shear dowels for wood E04B1/49 takes precedence E04B1/49with self-penetrating parts, e.g. claw dowels nail plates F16B15/0023 E04B1/54Joints substantially without separate connecting elements, e.g. jointing by inter-engagement welded, glued, or the like joints, in general F16B E04B1/58of bar-shaped building elements framework connections E04B1/21, E04B1/2403, E04B1/2604 E04B1/5806with a cross-section having an open profile E04B1/5812of substantially I - or H - form E04B1/5818of substantially U - form E04B1/5825with a closed cross-section E04B1/5831of substantially rectangular form E04B1/5837of substantially circular form E04B1/5843with ends provided with protuberances E04B1/585with separate connection devices E04B2001/5856using the innerside thereof E04B2001/5862Angularly adjustable connections without hinge pin E04B2001/5868Hinged connections E04B2001/5875using exterior clamping plates or shells E04B2001/5881using an undercut groove, e.g. dovetail groove E04B2001/5887using connectors with sockets E04B2001/5893Puzzle type connections E04B1/61of slab-shaped building elements with each other E04B1/6104the overlapping ends of the slabs connected together E04B1/6108the frontal surfaces of the slabs connected together E04B1/6112by clamping, e.g. friction, means on lateral surfaces E04B1/6116by locking means on lateral surfaces E04B1/612by means between frontal surfaces E04B1/6125with protrusions on the one frontal surface co-operating with recesses in the other frontal surface E04B1/6129the connection made by expansion E04B1/6133the connection made by friction-grip E04B1/6137the connection made by formlocking E04B1/6141the connection made by an additional locking key E04B1/6145with recesses in both frontal surfaces co-operating with an additional connecting element E04B1/615the connection made by expansion E04B1/6154the connection made by friction-grip E04B1/6158the connection made by formlocking E04B1/6162the connection made by an additional locking key E04B1/6166with protrusions on both frontal surfaces E04B1/617with one protrusion on each frontal surface E04B1/6175with two or more protrusions on each frontal surface E04B1/6179with protrusions and recesses on each frontal surface E04B1/6183with rotatable locking means co-operating with a recess similar devices for sliding doors E05B65/0817 E04B1/6187by means on top and/or bottom surfaces of the slabs E04B2001/6191by means on the corners of the slabs E04B2001/6195the slabs being connected at an angle, e.g. forming a corner E04B1/62Insulation or other protectionElements or use of specified material therefor chemical compositions C01 - C11; implements for applying insulation or sealings E04F21/00; buildings to withstand or to provide protection against external undesired influences E04H9/00; sealing pipes in walls or partitions F16L5/02; shielding against dangerous radiation G21F; constructions of particular parts of buildings, see the relevant groups for those parts E04B1/625Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps E04B1/64for making damp-proofProtection against corrosion sealings E04B1/66Group E04B1/64 is not used for classification. Documents are classified in subgroups only or in groups E04B1/66, E04B1/70 E04B1/642Protecting metallic construction elements against corrosion for concrete reinforcing elements made of steel E04C5/01; anodic or cathodic protection C23F13/00 E04B1/644Damp-proof courses in combination with lintels E04C3/02 E04B1/646obtained by removal and replacement of a horizontal layer of an existing wall E04B1/648obtained by injection or infiltration of water-proofing agents into an existing wall E04B1/66Sealings damp-proof courses E04B1/644; fire-proof sealings E04B1/948; additions of anti-leak properties to plaster C04B; bituminous sealing masses C08L95/00; sealings for hydraulic engineering work in general E02B3/16; against ground humidity or ground water E02D31/02; coverings against rain or other precipitations of the atmosphere E04D; composition of material or manufacture of sealing foils, see the relevant classes for these foils E04B1/665Sheets or foils impervious to water and water vapor E04B1/68of joints, e.g. expansion joints packing for joints in roads or airfields E01C11/02; expansion joints for bridges E01D19/06; sealing joints between foundation piles E02D5/14; joints in foundation structures E02D29/16; devices for sealing the spaces or joints between roof-covering elements E04D1/36; sealing joints between roof-covering elements E04D3/38; construction of joints for flooring or floor layers composed of a number of similar elements E04F15/02005; construction of joints for flooring or floor layers made of masses in situ E04F15/14 E04B1/6801Fillings therefor E04B1/6803Joint covers E04B1/6815 takes precedence E04B1/6804specially adapted for floor parts E04B1/6806Waterstops E04B1/6807 takes precedence E04B1/6807Expansion elements for parts cast in situ E04B1/6809Reverse side strips E04B1/681for free moving parts E04B1/6812Compressable seals of solid form E04B1/6813Compressable seals of hollow form E04B1/6816 takes precedence E04B1/6815Expansion elements specially adapted for wall or ceiling parts E04B1/6816Porous tubular seals for injecting sealing material filling of cracks in existing buildings E04G23/02 E04B2001/6818Joints with swellable parts E04B1/70Drying or keeping dry, e.g. by air vents using damp-proof courses E04B1/644; using sealings, e.g. sealing masses or foils, E04B1/66; during erection E04G21/28 E04B1/7007by using electricity, e.g. electro-osmosis electrochemical desalination or re-alkalisation of reinforced concrete C04B41/00 E04B1/7015by heating the ambient air E04B1/7023by collecting water in basements E04B1/703Evacuating water from walls made from hollow bricks E04B1/7038Evacuating water from cavity walls, e.g. by using weep holes E04B1/7046using trays E04B1/7053Grills for weep holes E04B1/7061Devices for preventing blockage of weep holes, e.g. a blockage caused by falling mortar E04B1/7069by ventilating means for ventilating in floors E04B5/48, in ceilings E04B9/02, in building blocks E04C1/392, in building panels E04C2/521, in roofs E04D13/16; ventilating wall coverings E04F13/007 E04B1/7076Air vents for walls E04B1/7084with Knappen systems, i.e. atmospheric siphons E04B1/7092Temporary mechanical ventilation of damp layers, e.g. insulation of a floating floor E04B1/72Pest control by keeping dry E04B1/70; impregnation of wood or like materials B27K E04B1/74Heat, sound or noise insulation, absorption, or reflection forms of, or arrangements in, rooms for influencing or directing sound E04B1/99. Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls fire protection E04B1/94; elements chiefly adapted for structural purposes E04C1/00 - E04C3/00; chiefly adapted for surface coverings E04F13/00; as underlayers for floor coverings E04F15/18; closures for wall or like openings E06B E04B2001/741Insulation elements with markings, e.g. identification or cutting template E04B2001/742Use of special materials; Materials having special structures or shape E04B2001/743Animal products, e.g. wool, feathers E04B2001/745Vegetal products, e.g. plant stems, barks E04B2001/746Recycled materials, e.g. made of used tires, bumpers or newspapers E04B2001/747Corrugated materials E04B2001/748Honeycomb materials E04B1/76specifically with respect to heat only heat insulation in general F16L59/00 E04B1/7604fillings for cavity walls E04B1/7608comprising a prefabricated insulating layer, disposed between two other layers or panels E04B1/7612in combination with an air space E04B1/7616with insulation-layer locating devices combined with wall ties E04B1/762Exterior insulation of exterior walls E04B1/7625Details of the adhesive connection of the insulation to the wall E04B1/7629Details of the mechanical connection of the insulation to the wall E04B1/7633Dowels with enlarged insulation retaining head E04B1/7637Anchoring of separate elements through the lining to the wall E04B1/7641Elements for window or door openings, or for corners of the building E04B1/7645with ventilation means for the insulation E04B1/765Bottom edge finishing profile E04B1/7654comprising an insulating layer, disposed between two longitudinal supporting elements, e.g. to insulate ceilings E04B1/7658comprising fiber insulation, e.g. as panels or loose filled fibres E04B1/7662comprising fiber blankets or batts E04B1/7666Connection of blankets or batts to the longitudinal supporting elements E04B1/767Blankets or batts with connecting flanges E04B1/7675Insulating linings for the interior face of exterior walls E04B2001/7679Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor E04B2001/7683Fibrous blankets or panels characterised by the orientation of the fibres E04B2001/7687Crumble resistant fibrous blankets or panels using adhesives or meltable fibres E04B2001/7691Heat reflecting layers or coatings E04B2001/7695Panels with adjustable width E04B1/78Heat insulating elements E04B1/7662 takes precedence E04B1/80slab-shaped E04B1/803with vacuum spaces included in the slab E04B1/806with air or gas pockets included in the slab E04B1/82specifically with respect to sound only of floors or ceilings E04B9/001; of flooring E04F15/20; noise damping in ducts or channels E04F17/00; sound damping devices for pipes F16L55/033; noise damping in general G10K11/00 E04B1/8209sound absorbing devices E04B1/8218, E04B1/8227 take precedence E04B1/8218soundproof enclosures E04B1/8227screens E04B2/74 takes precedence; for road or railway traffic E01F; Arrangements of sound-absorbing elements, e.g. baffles E04B1/8236Stage shells E04B2001/8245Machines for manufacturing, shaping, piercing or filling sound insulating elements E04B2001/8254Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure E04B2001/8263Mounting of acoustical elements on supporting structure, e.g. framework or wall surface E04B2001/8272Resiliently mounted wall cladding acting as a diaphragmatic sound damper E04B2001/8281Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface E04B2001/829Flat elements mounted at an angle, e.g. right angle, to the supporting surface E04B1/84Sound-absorbing elements E04B1/8404block-shaped E04B1/8409sheet-shaped E04B2001/8414with non-planar face, e.g. curved, egg-crate shaped E04B2001/8419Acoustical cones or the like, e.g. for anechoic chambers E04B2001/8423Tray or frame type panels or blocks, with or without acoustical filling E04B2001/8428containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds E04B2001/8433with holes in their face E04B2001/8438Slot shaped holes E04B2001/8442Tray type elements E04B2001/8447with two facing trays E04B2001/8452with peripheral frame members E04B2001/8457Solid slabs or blocks E04B2001/8461layered E04B2001/8466with an intermediate layer formed of lines or dots of elastic material E04B2001/8471with non-planar interior transition surfaces between layers, e.g. faceted, corrugated E04B2001/8476with acoustical cavities, with or without acoustical filling E04B2001/848the cavities opening onto the face of the element E04B2001/8485the opening being restricted, e.g. forming Helmoltz resonators E04B2001/849Groove or slot type openings E04B2001/8495the openings going through from one face to the other face of the element E04B1/86slab-shaped E04B1/88Insulating elements for both heat and sound E04B1/90slab-shaped E04B1/92Protection against other undesired influences or dangers buildings providing protection against external dangers E04H9/00; shielding against dangerous radiation G21F E04B2001/925Protection against harmful electro-magnetic or radio-active radiations, e.g. X-rays E04B1/94against fire fire protection of partitions E04B2/7403, E04B2/7409; supporting constructions for ceilings having the capability of expansion in case of fire E04B9/08; fire-fighting A62C, e.g. fire prevention or containment A62C2/00; impregnation of wood or similar materials B27K; fireproof paints C09D5/18; fireproofing materials C09K21/00; flame-resistant papers D21H5/0002; coverings or linings, e.g. for walls or ceilings, in general E04F13/00; fireproof doors E06B5/16; firebreak devices for pipes or the like passing through walls F16L5/04; protection of pipes by means of non-inflammable material F16L57/04 E04B1/941Building elements specially adapted therefor E04B1/942slab-shaped E04B1/943elongated E04B1/944covered with fire-proofing material E04B1/945Load-supporting structures specially adapted therefor E04B1/946Protection against smoke or toxic gases E04B1/947by closing openings in walls or the like in the case of fire fire-proof doors E06B5/16 E04B1/948Fire-proof sealings or joints for doors or windows E06B5/164 E04B2001/949Construction elements filled with liquid, e.g. water, either permanently or only in case of fire E04B1/98against vibrations or shocks on foundations E02D31/08against mechanical destruction, e.g. by air-raids against incendiary damage only E04B1/94; finishing work therefor E04F; buildings withstanding earthquake or the like, shelters, arrangements of splintercatching walls E04H9/00 E04B1/99Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound E04B1/82 takes precedence; acoustics in general G10K11/00; electric signal processing for producing a reverberation or echo sound G10K15/08 E04B1/994Acoustical surfaces with adjustment mechanisms E04B2/00Walls, e.g. partitions, for buildingsWall construction with regard to insulationConnections specially adapted to walls connections for building structures in general E04B1/38; insulation for buildings in general E04B1/62; building elements of relatively thin form for parts of buildings E04C2/00 E04B2/02built-up from layers of building elements E04B2002/0202Details of connections E04B2002/0204Non-undercut connections, e.g. tongue and groove connections E04B2002/0206of rectangular shape E04B2002/0208of trapezoidal shape E04B2002/021of triangular shape E04B2002/0213of round shape E04B2002/0215with separate protrusions E04B2002/0217of prismatic shape E04B2002/0219of pyramidal shape E04B2002/0221of conical shape E04B2002/0223of cylindrical shape E04B2002/0226with tongues and grooves next to each other on the end surface E04B2002/0228with tongues next to each other on one end surface and grooves next to each other on opposite end surface E04B2002/023with rabbets, e.g. stepped E04B2002/0232Undercut connections, e.g. using undercut tongues and grooves E04B2002/0234Angular dovetails E04B2002/0236tapered, i.e. dovetail narrows in the direction of tongue or groove E04B2002/0239Round dovetails E04B2002/0241tapered, i.e. dovetail narrows in the direction of tongue or groove E04B2002/0243Separate connectors or inserts, e.g. pegs, pins or keys E04B2002/0245Pegs or pins E04B2002/0247Strips or bars E04B2002/025U-shaped, e.g. brackets E04B2002/0252Dovetail keys E04B2002/0254Tie rods E04B2002/0256Special features of building elements E04B2002/0258Gripping or handling aids E04B2002/026Splittable building elements E04B2002/0263Building elements for making angled walls E04B2002/0265Building elements for making arcuate walls E04B2002/0267Building elements with the appearance of several bricks E04B2002/0269Building elements with a natural stone facing E04B2002/0271Building elements with the appearance of rock layers E04B2002/0273Adhesive layers other than mortar between building elements E04B2002/0276Separate layers or strips E04B2002/0278forming a unity with the building elements E04B2002/028Spacers between building elements E04B2002/0282Separate spacers E04B2002/0284forming a unity with the building elements E04B2002/0286Building elements with coatings E04B2002/0289Building elements with holes filled with insulating material E04B2002/0291loose material E04B2002/0293solid material E04B2002/0295of which the width is equal to the wall thickness E04B2002/0297of which the width is less than the wall thickness E04B2/04Walls having neither cavities between, nor in, the solid elements E04B2/06using elements having specially-designed means for stabilising the position E04B2/08by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails E04B2/10by filling material with or without reinforcements in small channels in, or in grooves between, the elements E04B2/12using elements having a general shape differing from that of a parallelepiped E04B2/14Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element E04B2/16using elements having specially-designed means for stabilising the position E04B2/18by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails E04B2/20by filling material with or without reinforcements in small channels in, or in grooves between, the elements E04B2/22using elements having a general shape differing from that of a parallelepiped E04B2/24the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams E04B2/26the walls being characterised by fillings in all cavities in order to form a wall construction E04B2/28Walls having cavities between, but not in, the elementsWalls of elements each consisting of two or more parts kept in distance by means of spacers, all parts being solid E04B2/30using elements having specially designed means for stabilising the positionSpacers for cavity walls masonry wall ties E04B1/4178 E04B2/32by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails E04B2/34by filling material with or without reinforcements in small channels in, or in grooves between, the elements E04B2/36using elements having a general shape differing from that of a parallelepiped E04B2/38the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams E04B2/40the walls being characterised by fillings in all cavities in order to form a wall construction E04B2/42Walls having cavities between, as well as in, the elementsWalls of elements each consisting of two or more parts, kept in distance by means of spacers, at least one of the parts having cavities E04B2/44using elements having specially-designed means for stabilising the positionSpacers for cavity walls masonry wall ties E04B1/4178 E04B2/46by interlocking of projections or inserts with indentations, e.g. of tongues, grooves, dovetails E04B2/48by filling material with or without reinforcements in small channels in, or in grooves between, the elements E04B2/50using elements having a general shape differing from that of a parallelepiped E04B2/52the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams E04B2/54the walls being characterised by fillings in all cavities in order to form a wall construction E04B2/56Load-bearing walls of framework or pillarworkWalls incorporating load-bearing elongated members E04B2/74, E04B2/88 take precedence; pillars E04C3/30 E04B2/562with fillings between the load-bearing elongated members E04B2002/565with a brick veneer facing E04B2002/567with posts or pillars made from a plurality of smaller prefabricated elements E04B2/58with elongated members of metal E04B2/60characterised by special cross-section of the elongated members E04B2/62the members being formed of two or more elements in side-by-side relationship E04B2/64with elongated members of concrete E04B2/66characterised by special cross-section of the elongated members E04B2/68made by filling-up wall cavities E04B2/24, E04B2/38, E04B2/52 take precedence E04B2/70with elongated members of wood E04B2/701with integrated supporting and obturation function E04B2/702with longitudinal horizontal elements E04B2/704, E04B2/705 take precedence E04B2/703with longitudinal vertical elements E04B2/704with longitudinal horizontal elements shorter than the length of a wall E04B2/705with longitudinal horizontal elements placed between columns E04B2/706with supporting function E04B2/707obturation by means of panels E04B2/708obturation by means of longitudinal elements with a convex external surface E04B2/709obturation by means of longitudinal elements with a plane external surface E04B2/72Non-load-bearing walls of elements of relatively thin form with respect to the thickness of the wallE04B2/56, E04B2/74, E04B2/88 take precedence; with joint fillings acting as framework or pillars E04B2/68; elements E04C2/00 E04B2/721connections specially adapted therefor E04B2/723constituted of gypsum elements E04B2002/725Corner or angle connection details E04B2002/726Clips for butt-joining plasterbords E04B2002/728Butt-joining plasterboards in the space between two studs E04B2/74Removable non-load-bearing partitionsPartitions with a free upper edge framed panels E04C2/38 modular coordination E04B2/7401assembled using panels without a frame or supporting posts, with or without upper or lower edge locating rails E04B2/7403with special measures for sound or thermal insulation including fire protection E04B2/7405with free upper edge, e.g. for use as office space dividers E04B2/7407assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts E04B2/78 and E04B2/80 take precedence E04B2/7409special measures for sound or thermal insulation, including fire protection E04B2/7411Details for fire protection E04B2/7412Posts or frame members specially adapted for reduced sound or heat transmission E04B2/7414Posts or frame members with projections for holding sound or heat insulating fillings E04B2/7416with free upper edge, e.g. for use as office space dividers E04B2002/7418Accessories supported on the free upper edge, e.g. auxiliary panels, noise abatement devices E04B2002/742Details of panel top cap E04B2/7422with separate framed panels without intermediary support posts E04B2/7424Glazing details E04B2/7425Details of connection of panels E04B2/7427 takes precedence E04B2/7427with adjustable angular connection of panels E04B2/7429using flexible hinges E04B2/7431using hinges having two parallel rotation axes E04B2/7433with panels and support posts E04B2/7435Glazing details E04B2/7437with panels hooked onto posts E04B2/7438 takes precedence E04B2/7438with adjustable angular connection of panels to posts E04B2/744using angularly-spaced longitudinal grooves of the posts E04B2/7442hinged connections E04B2/7444 takes precedence E04B2/7444panels hooked onto the rim or in a groove of circular posts E04B2002/7446Post-like profiles for connecting panels at an angle E04B2/7448with separate framed panels without intermediary posts, extending from floor to ceiling E04B2/745Glazing details E04B2/7451with false tongue joints E04B2/7453with panels and support posts, extending from floor to ceiling E04B2/7455Glazing details E04B2/7457with wallboards attached to the outer faces of the posts, parallel to the partition E04B2/7459 takes precedence E04B2/7459with telescoping posts to compensate for floor or ceiling irregularities E04B2002/7461Details of connection of sheet panels to frame or posts E04B2002/7462using resilient connectors, e.g. clips E04B2002/7464clasping a flange of a profile E04B2002/7466using hooks E04B2002/7468using magnets E04B2002/747using hook and loop-type fasteners E04B2002/7472using adhesives E04B2002/7474using releasable connectors actuable with a key or a tool E04B2002/7475using connectors with claws penetrating the sheet panels E04B2002/7477Details of connections using screws or nails E04B2002/7479Details of connection of flexible sheets to frame or posts E04B2002/7481Locating rails with adjustable curvature E04B2002/7483Details of furniture, e.g. tables or shelves, associated with the partitions E04B2002/7485Load supports therefor placed between wall studs E04B2002/7487Partitions with slotted profiles E04B2002/7488Details of wiring E04B2002/749Partitions with screw-type jacks E04B2002/7492used in partitions extending from floor to ceiling E04B2002/7494the jacks being located at the top or the side of the partition E04B2002/7496using wedges to level or hold the partition in place E04B2002/7498Partitions for clean rooms E04B2/76with framework or posts of metal details of connections, thresholds or skirtings E04B2/82 E04B2/761L-connections E04B2/762Cross connections E04B2/763with one continuous profile, the perpendicular one passing continuously through the first one E04B2/764with two interrupted profiles E04B2/765with one continuous profile, the perpendicular one being interrupted E04B2/766T-connections E04B2/767Connections between wall studs and upper or lower locating rails E04B2/768allowing vertical movement of upper rail with respect to the stud, e.g. by using slots in the rail or stud E04B2/78characterised by special cross-section of the frame-members as far as important for securing wall panels to a framework with or without the help of cover-strips separate connecting means, e.g. clip E04B2/74; connections between uprights and cross-members E04B2/76 E04B2/7809of single or multiple tubular form E04B2/7818of substantially rectangular form E04B2/7827with all four sides of the profiles having substantially similar undercut grooves or connecting projections E04B2/7836with only two sides of the profiles having substantially similar undercut grooves or connecting projections E04B2/7845of curved cross-section, e.g. circular E04B2/7854of open profile E04B2/7863of substantially I - section with web perpendicular to plane of partition E04B2/7872of substantially H - section with flanges perpendicular to plane of partition E04B2/7881of substantially S - or Z - section; having a shape or cross-section adapted for gripping or overlapping panels by means of at least partially complementary shaped parallel elements E04B2/789of substantially U- or C- section E04B2/80with framework or posts of wood E04B2/82characterised by the manner in which edges are connected to the buildingMeans thereforSpecial details of easily-removable partitions as far as related to the connection with other parts of the building E04B2/821Connections between two opposed surfaces (i.e. floor and ceiling) by means of a device offering a restraining force acting in the plane of the partition E04B2/822Elastic connections, e.g. inflated joints E04B2/824restrained elastically at one surface and inelastically at the opposing surface E04B2/825the connection between the floor and the ceiling being achieved without any restraining forces acting in the plane of the partition E04B2/827Partitions constituted of sliding panels E04B2/828Connections between partitions and structural walls E04B2/84Walls made by casting, pouring, or tamping in situ E04B2/02, E04B2/56 take precedence; forms therefor E04G11/06; working of concrete or similar masses able to be cast or poured in situ E04G21/02 E04B2/842by projecting or otherwise applying hardenable masses to the exterior of a form leaf E04B2/845the form leaf comprising a wire netting, lattice or the like E04B2/847the form leaf comprising an insulating foam panel E04B2/86made in permanent forms E04B2/8605without spacers E04B2/8611with spacers being embedded in at least one form leaf E04B2/8617with spacers being embedded in both form leaves E04B2/8623with spacers and at least one form leaf being monolithic E04B2/8629with both form leaves and spacers being monolithic E04B2/8635with ties attached to the inner faces of the forms E04B2/8611 and E04B2/8623 take precedence E04B2/8641using dovetail-type connections E04B2/8647with ties going through the forms E04B2/8652with ties located in the joints of the forms E04B2/8658using wire netting, a lattice or the like as form leaves E04B2/8664using flexible material as form leaves E04B2/8658 takes precedence E04B2002/867Corner details E04B2002/8676Wall end details E04B2002/8682Mixed technique using permanent and reusable forms E04B2002/8688Scaffoldings or removable supports therefor E04B2002/8694with hinged spacers allowing the formwork to be collapsed for transport E04B2/88Curtain walls fixing of glass panes E06B3/54 E04B2/885comprising a supporting structure for flush mounted glazing panels E04B2/90comprising panels directly attached to the structure E04B2/885 takes precedence E04B2/92Sandwich-type panels E04B2/94Concrete panels E04B2/92 takes precedence E04B2/96comprising panels attached to the structure through mullions or transoms E04B2/885 takes precedence E04B2/962with angles or corners in the curtain wall E04B2/965Connections of mullions and transoms E04B2/967Details of the cross-section of the mullions or transoms E04B2/965 takes precedence E04B5/00FloorsFloor construction with regard to insulationConnections specially adapted therefor elements for floors, e.g. bricks, stones, filling bodies, girders, E04C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers E04F15/00 E04B5/02Load-carrying floor structures formed substantially of prefabricated units E04B5/43 - E04B5/48 take precedence E04B5/023Separate connecting devices for prefabricated floor-slabs E04B5/026with beams or slabs of plastic E04B5/04with beams or slabs of concrete or other stone-like material, e.g. asbestos cement E04B5/08, E04B5/14 take precedence E04B5/043having elongated hollow cores E04B5/046with beams placed with distance from another E04B5/06with beams placed against one another optionally with pointing-mortar E04B5/08assembled of block-shaped elements, e.g. hollow stones E04B5/14 takes precedence; floors composed of reinforced brickwork E04B5/44 E04B5/10with metal beams or girders, e.g. with steel lattice girders E04B5/14 takes precedence E04B5/12with wooden beams E04B5/14 takes precedencealso means for supporting beams; shores or struts E04G25/00 E04B5/14with beams or girders laid in two directions E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ E04B5/43 - E04B5/48 take precedence; floors merely characterised by the prefabricated elements E04C E04B5/17Floor structures partly formed in situ E04B2005/173with permanent forms for the floor edges E04B2005/176with peripheral anchors or supports E04B5/18with stiffening ribs or other beam-like formations wholly cast between filling members E04B5/19the filling members acting as self-supporting permanent forms E04B5/21 takes precedence E04B5/21Cross-ribbed floors E04B5/23with stiffening ribs or other beam-like formations wholly or partly prefabricated with all load-carrying parts substantially consisting of prefabricated units E04B5/02 ; beams built-up by elements joined in line E04C3/22 E04B2005/232with special provisions for connecting wooden stiffening ribs or other wooden beam-like formations to the concrete slab E04B2005/235Wooden stiffening ribs or other wooden beam-like formations having a special form E04B2005/237Separate connecting elements E04B5/26with filling members between the beams E04B5/28 takes precedence E04B5/261Monolithic filling members E04B5/263with a flat lower surface E04B5/265 takes precedence E04B5/265with one or more hollow cores E04B5/266Filling members covering the undersurface of the beams E04B5/268End filling members to be placed between the floor and the wall, e.g. thermal breaks E04B5/28Cross-ribbed floors E04B5/29the prefabricated parts of the beams consisting wholly of metal E04B5/28 takes precedence E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements E04B2005/322with permanent forms for the floor edges E04B2005/324with peripheral anchors or supports E04B5/326with hollow filling elements E04B5/328the filling elements being spherical E04B5/36with form units as part of the floor E04B5/38with slab-shaped form units acting simultaneously as reinforcementForm slabs with reinforcements extending laterally outside the element beams placed against one another and acting as permanent forms E04B5/23 E04B5/40with metal form-slabs E04B5/43Floor structures of extraordinary designFeatures relating to the elastic stabilityFloor structures specially designed for resting on columns only, e.g. mushroom floors anchoring devices for balconies with means for preventing cold bridging E04B1/0038; extraordinary constructions in general E04B1/34 E04B5/44Floors composed of stones, mortar, and reinforcing elements with inserts of glass E04B5/46 E04B5/46Special adaptation of floors for transmission of light, e.g. by inserts of glass of ceilings E04B9/32, block-shaped elements E04C1/42; slab- or sheet-shaped elements E04C2/54; for roof covering E04D3/06 E04B5/48Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating in block-shaped elements E04C1/39; in slab- or sheet-shaped elements E04C2/52 E04B7/00RoofsRoof construction with regard to insulation structures for roofs as well as for floors E04B5/00; ceilings E04B9/00; greenhouses A01G9/14; large containers having floating covers B65D88/34; roof trusses, trusslike structures, joists E04C3/02; roof covering E04D E04B7/02with plane sloping surfaces, e.g. saddle roofs canopies E04F10/00; E04B7/12 takes precedence E04B7/022consisting of a plurality of parallel similar trusses or portal frames E04B7/024the trusses or frames supporting load-bearing purlins, e.g. braced purlins battens, supports for battens E04D12/00 E04B7/026consisting of prefabricated modules, e.g. box-like or cell-like units E04B7/24 takes precedence E04B7/028consisting of structures of pyramidal or conical shape E04B7/04supported by horizontal beams or the equivalent resting on the walls E04B7/06 takes precedence E04B7/045with connectors made of sheet metal for connecting the roof structure to the supporting wall connectors made of sheet metal for wooden elongated load-supporting elements in general E04B1/2608 E04B7/06Constructions of roof intersections or hipped ends E04B7/063Hipped ends E04B2007/066for conservatories E04B7/08Vaulted roofs E04B7/14 takes precedence; vaulted structures in general E04B1/32; inflatable tents or canopies, in general E04H15/20; inflatable forms for shaping in situ E04G11/04 E04B7/10Shell structures, e.g. of hyperbolic-parabolic shapeGrid-like formations acting as shell structuresFolded structures buildings E04B1/32 E04B7/102Shell structures E04B7/105Grid-like structures E04B7/107Folded structures E04B7/12formed in bays, e.g. sawtooth roofs E04B7/10 takes precedence E04B7/14Suspended roofs suspended tents or canopies in general E04H15/04 E04B7/16Roof structures with movable roof parts buildings for special purposes E04H E04B7/163characterised by a pivoting movement of the movable roof parts E04B7/166 takes precedence E04B7/166characterised by a translation movement of the movable roof part, with or without additional movements E04B7/18Special structures in or on roofs, e.g. dormer windows in connection with roof coverings E04D13/00, especially domes E04D13/03 E04B7/20Roofs consisting of self-supporting slabs, e.g. able to be loaded E04B7/205the slabs having non-structural supports for roofing materials for slaps having insulating properties E04B7/225 E04B7/22the slabs having insulating properties, e.g. laminated with layers of insulating material E04B7/225the slabs having non-structural supports for roofing materials E04B7/24the slabs being collapsible or retractable, e.g. for transport E04B9/00CeilingsConstruction of ceilings, e.g. false ceilingsCeiling construction with regard to insulation ceilings used as forms for making floors E04B5/00; coverings or linings for ceilings E04F13/00 E04B9/001characterised by provisions for heat or sound insulation E04B9/003with movable parts, e.g. pivoting panels, access doors E04B9/005composed of imitation beams or beam coverings E04B9/006with means for hanging lighting fixtures or other appliances to the framework of the ceiling E04B9/008with means for connecting partition walls or panels to the ceilings E04B9/02having means for ventilation or vapour discharge E04B9/023comprising drainage gutters for condensed water or grease E04B2009/026the supporting ceiling grid acting as air diffusers E04B9/04comprising slabs, panels, sheets or the like E04B9/0407being stiff and curved E04B9/0414being foldable, curvable or rollable E04B9/0421comprising ducts E04B9/0428having a closed frame around the periphery E04B9/0435having connection means at the edges E04B9/0442having a honeycomb core E04B9/045being laminated E04B9/0457having closed internal cavities E04B9/0464having irregularities on the faces, e.g. holes, grooves E04B9/0471having a trapezoidal cross section E04B9/0478of the tray type E04B9/0485containing a filling element E04B2009/0492with fabrics tensioned on frames E04B9/06characterised by constructional features of the supporting construction , e.g. cross section or material of framework members E04B9/061supporting construction for curved ceilings E04B2009/062Caps covering visible surfaces of the supporting construction E04B9/064comprising extruded supporting beams E04B9/065comprising supporting beams having a folded cross-section E04B9/067with inverted T-shaped cross-section E04B9/068with double web E04B9/08having the capability of expansion , e.g. in case of fire E04B9/10Connections between parallel members of the supporting construction E04B9/08 takes precedence E04B9/12Connections between non-parallel members of the supporting construction E04B9/08 takes precedence E04B9/122one member passing through the other member, both members laying at least partly in the same plane E04B9/125both members being continuous members E04B9/127one member being discontinuous and abutting against the other member E04B9/14all the members being discontinuous and laying at least partly in the same plane E04B9/16the members lying in different planes E04B9/18Means for suspending the supporting construction E04B9/183having a lower side adapted to be connected to a channel of the supporting construction E04B2009/186with arrangements for damping vibration E04B9/20adjustable E04B9/205by means of a resilient clip E04B9/22Connection of slabs, panels, sheets or the like to the supporting construction E04B9/225with the slabs, panels, sheets or the like hanging at a distance below the supporting construction E04B9/24with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto E04B9/241with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges of the supporting construction E04B9/242with separate retaining elements E04B9/244comprising sealing means between the supporting construction and the slabs, panels, sheets or the like E04B9/245by means of screws, bolts or clamping strips held against the underside of the supporting construction E04B9/26 takes precedence E04B9/247by means of sliding or pivoting locking elements, held against the underside of the supporting construction E04B9/248by means of permanent magnetic force held against the underside of the supporting construction E04B9/26by means of snap action of elastically deformable elements held against the underside of the supporting construction E04B9/28with the slabs, panels, sheets or the like having grooves engaging with horizontal flanges of the supporting construction or accessory means connected thereto E04B9/30characterised by edge details of the ceilinge.g. securing to an adjacent wall E04B9/303for flexible tensioned membranes E04B9/306Tensioning hand tools therefor E04B9/32Translucent ceilings, i.e. permitting both the transmission and diffusion of light E04B9/303 and E04B9/34 take precedence; details of lighting devices, of general application F21V; screens F21V11/00 E04B9/34Grid-like or open-work ceilings, e.g. lattice type boxlike modules, acoustic bafflesE04B9/30 takes precedence, grids for lighting devices F21V E04B9/345consisting of non-parallel slats, e.g. grids E04B9/36consisting of parallel slats E04B9/363the principal plane of the slats being horizontal E04B9/366the principal plane of the slats being vertical E04B2103/00 E04B2103/00Material constitution of slabs, sheets or the like E04B2103/02of ceramics, concrete or other stone-like material E04B2103/04of plastics, fibrous material or wood E04B2103/06of metal