B63BSHIPS OR OTHER WATERBORNE VESSELSEQUIPMENT FOR SHIPPING  arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06 In this subclass, the indexing codes B63B2201/00 - B63B2241/00 are to be used for relevant technical information concerning particular or unusual use, materials, design, methods or means. In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B63B1/00 B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils hulls peculiar to submarines B63B3/13; keels B63B3/38 B63B2001/005Deflectors for spray, e.g. for guiding spray generated at the bow of a planing vessel underneath the hull B63B1/02deriving lift mainly from water displacement B63B1/16 takes precedence B63B1/04with single hull B63B1/041with disk-shaped hull B63B1/042the underpart of which being partly provided with channels or the like, e.g. catamaran shaped B63B2001/044with a small waterline area compared to total displacement, e.g. of semi-submersible type B63B2001/045with means for actively varying hull shape or configuration, e.g. for varying hydrodynamic characteristics B63B1/047with spherical hull or hull in the shape of a vertical ring freely movable rolling hoops, e.g. gyro wheels for exercising A63B19/02 B63B1/048with hull extending principally vertically B63B1/06Shape of fore part B63B1/063Bulbous bows B63B2001/066Substantially vertical stems B63B1/08Shape of aft part B63B1/10with multiple hulls B63B2001/102Proas, or similar twin-hull vessels with one main hull and one smaller hull or floater, interconnected by one or more outrigger beams or the like B63B1/105comprising a cockpit surrounded and pivotally supported by at least three floats B63B1/107Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH B63B1/12the hulls being interconnected rigidly B63B1/107 takes precedence B63B1/121comprising two hulls B63B1/107 takes precedence B63B2001/123interconnected by a plurality of beams, or the like members only B63B1/125comprising more than two hulls B63B1/107 takes precedence B63B2001/126comprising more than three hulls B63B2001/128comprising underwater connectors between the hulls B63B1/14the hulls being interconnected resiliently or having means for actively varying hull shape or configuration collapsible, foldable, inflatable or like vessels B63B7/00 B63B2001/145having means for actively varying hull shape or configuration B63B1/16deriving additional lift from hydrodynamic forces B63B1/18of hydroplane type B63B2001/183having non-floating planing surfaces, e.g. attached skis or plate-shaped bodies B63B2001/186Sponsons; Arrangements thereof B63B1/20having more than one planing surface B63B1/22 takes precedence B63B2001/201divided by longitudinal chines B63B2001/202divided by transverse steps B63B2001/203arranged in semi-catamaran configuration B63B2001/204arranged on multiple hulls B63B2001/205the hulls being interconnected rigidly B63B2001/206comprising two hulls, e.g. catamarans B63B2001/207comprising more than two hulls B63B2001/208comprising three hulls, e.g. trimarans B63B2001/209the hulls being interconnected resiliently, or having means for actively varying hull shape or configuration B63B1/22with adjustable planing surfaces B63B1/24of hydrofoil type hydrofoils for water sports boards B63B32/60; hydrofoils for other water sports body supporting devices B63B34/40 B63B1/242Mounting, suspension of the foils B63B1/30 takes precedence B63B1/244Safety systems, e.g. when striking an object B63B1/246Arrangements of propulsion elements B63B1/248Shape, hydrodynamic features, construction of the foil B63B1/26having more than one hydrofoil B63B1/28 takes precedence B63B1/28with movable hydrofoils B63B2001/281movable about an axis substantially parallel to the flow direction B63B1/283movable around a vertical axis, e.g. for steering B63B1/285changing the angle of attack or the lift of the foil B63B1/286using flaps B63B1/288using gas exhaust through the foil B63B1/30retracting or folding B63B1/244 takes precedence B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls B63B1/322using aerodynamic elements, e.g. aerofoils producing a lifting force flying boats B64C35/00 B63B2001/325Interceptors, i.e. elongate blade-like members projecting from a surface into the fluid flow substantially perpendicular to the flow direction, and by a small amount compared to its own length B63B2001/327using magneto-hydrodynamic forces B63B1/34by reducing surface friction B63B2001/345by ejecting friction reducing solids or liquids, e.g. polymers B63B1/36using mechanical means B63B1/38using air bubbles or air layers gas filled volumes waterborne vessels travelling on air cushions B60V3/06 B63B2001/382by making use of supercavitation, e.g. for underwater vehicles B63B2001/385using exhaust gas B63B2001/387using means for producing a film of air or air bubbles over at least a significant portion of the hull surface B63B1/40by diminishing wave resistance B63B3/00Hulls characterised by their structure or component parts non-metallic hulls B63B5/00; designing, building, maintaining or repairing methods B63B71/00 - B63B83/00 B63B3/02Hulls assembled from prefabricated sub-units B63B3/04with permanently-connected sub-units B63B3/06the sub-units being substantially identical B63B3/08with detachably-connected sub-units B63B2003/085Multiple hull vessels, e.g. catamarans, assembled from detachably-connected sub-units B63B3/09Hulls constructed of non-magnetic metal B63B3/10Armoured hulls B63B3/12Frameless hulls B63B3/13Hulls built to withstand hydrostatic pressure when fully submerged, e.g. submarine hulls B63B3/14Hull parts hull armour B63B3/10 B63B3/142Connections between the shell and deck B63B2003/145Frameworks, i.e. load bearing assemblies of trusses and girders interconnected at nodal points B63B2003/147Moon-pools, e.g. for offshore drilling vessels B63B3/16Shells ports or closures therefor B63B19/00 B63B3/18characterised by being formed predominantly of parts that may be developed into plane surfaces B63B3/185comprising only flat panels B63B3/20of double type B63B3/22with corrugations B63B3/24Means for diminishing external ridges of protrusions B63B3/26Frames B63B2003/265comprising open profiles, e.g. U- or gutter-shaped, and forming substantially closed channels together with the plate to which they are attached B63B3/28of transverse typeStringers B63B3/30Bilge kneesBeam knees B63B3/32Web framesWeb beams B63B3/34of longitudinal typeBulkhead connections B63B3/36Combined frame systems B63B3/38Keels movable keels B63B41/00 B63B2003/382adapted for housing energy accumulators, e.g. batteries B63B2003/385with means for controlling heeling or rolling motions, or lift, e.g. flaps, by changing geometry, or by ballast displacement B63B2003/387adapted for housing propulsion plant elements B63B3/40Stern postsStern frames B63B3/42Shaft brackets B63B2003/425having features not related to structural construction, e.g. hydrodynamic properties or bearings B63B3/44Bilge keels stabilising aspect B63B39/06 B63B3/46Stems B63B3/48Decks planking B63B5/06 B63B2003/485movably connected to hull or superstructure B63B3/50of vaulted type B63B3/52PillarsDeck girders B63B3/54Hatch openings B63B3/56BulkheadsBulkhead reinforcements arrangements of watertight doors B63B43/24 B63B3/58with flat plating B63B3/60with curved or corrugated plating B63B3/62Double bottomsTank tops B63B3/64Keelsons B63B3/66Gratings B63B3/68PanellingsLinings, e.g. for insulating purposes B63B3/70Reinforcements for carrying localised loads, e.g. propulsion plant, guns B63B5/00Hulls characterised by their construction of non-metallic material B63B5/02made predominantly of wood B63B5/04Carcasses B63B5/06DecksShells B63B5/065caulking decks mortise chisels for wood B25D3/00 B63B5/08with single-layer planking B63B5/10with multiple-layer planking B63B5/12made predominantly of wood with metal reinforcement, i.e. composite construction B63B5/14made predominantly of concrete, e.g. reinforced B63B5/16monolithic B63B5/18built-up from elements B63B5/20in combination with elements of other materials B63B5/22with reinforcing members external to shell B63B5/24made predominantly of plastics surf boards B63B32/57 B63B2005/242made of a composite of plastics and other structural materials, e.g. wood or metal B63B2005/245made of a composite of plastics and metal B63B2005/247made of a composite of plastics and wood B63B7/00Collapsible, foldable, inflatable or like vessels collapsible, foldable or inflatable water sports boards B63B32/53; collapsible, foldable or inflatable canoes, kayaks or the like B63B34/23; foldable pontoons B63B35/36 B63B2007/003with foldable members B63B2007/006comprising nestable elements B63B7/02comprising only rigid parts B63B7/04sectionalised sectionalised water sports boards B63B32/53; sectionalised canoes, kayaks or the like B63B34/23 B63B7/06having parts of non-rigid material B63B2007/065comprising flexible pockets for receiving removable floaters B63B7/08Inflatable inflatable water sports boards B63B32/51; inflatable canoes, kayaks or the like being inflatable or having inflatable parts B63B34/22 B63B7/082having parts of rigid material B63B7/085Accessories or mountings specially adapted therefor, e.g. seats, sailing kits, motor mountings B63B7/087Motor mountings, e.g. transom panels for outboard motors B63B11/00Interior subdivision of hulls bulkhead space construction B63B3/56 B63B11/02Arrangement of bulkheads, e.g. defining cargo spaces B63B11/04Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls tanks for fuel or the like not forming subdivisions of the hull B63B17/0027; cleaning of tanks B63B57/00 B63B11/06Propeller-shaft tunnels B63B13/00Conduits for emptying or ballastingSelf-bailing equipmentScuppers draining means for hatches B63B19/26; centrifugal bilge-water separators B04; arrangements of installations for treating ballast water B63J4/002; pipes in general F16L B63B2013/005Sea chests B63B13/02Ports for passing water through vessels' sides jet propulsors with clogging prevention means B63H11/01 B63B15/00Superstructures , deckhouses, wheelhouses or the likeArrangements or adaptations of masts or spars, e.g. bowspritsloading or unloading equipment B63B27/00; masts and staying in general E04H; sails, running rigging B63H; mounting ladders or the like on masts B63B29/205 B63B2015/0008Bowsprits B63B2015/0016Masts characterized by mast configuration or construction B63B2015/0025Bipodded masts, e.g. A-type masts B63B2015/0033Multipodded masts, e.g. tripod-type B63B2015/0041Telescoping masts B63B2015/005with means for varying mast position or orientation with respect to the hull B63B2015/0058comprising active mast inclination means B63B2015/0066Inclinable masts with passive righting means, e.g. counterbalancing means B63B2015/0075with mast foot adapted for being moved, e.g. athwartship B63B15/0083Masts for sailing ships or boats B63B2015/0091comprising means for silencing rope noise B63B15/02Staying of masts or of other superstructures B63B17/00Vessels parts, details, or accessories, not otherwise provided for vehicle fittings for preventing or indicating unauthorised use or theft of vehicles in general B60R25/00; propeller guards, line cutters or other means for protecting propellers or rudders B63H5/165; protection of power legs of outboard propulsion units B63H20/36; locking devices for boats, surfboards or parts or accessories thereof E05B73/007 B63B2017/0009Methods or devices specially adapted for preventing theft, or unauthorized use of vessels, or parts or accessories thereof, other than by using locks B63B17/0018Arrangements or devices specially adapted for facilitating access to underwater elements, e.g. to propellers retractable propellers B63H5/125; tilting outboard propulsion units B63H20/08; Externally attached cofferdams or the like caissons adapted to laying foundations E02D23/00 - E02D27/00 B63B17/0027Tanks for fuel or the like constructional features of bunkers B63B11/04; Accessories therefor, e.g. tank filler caps fuel tanks for vehicles in general B60K15/03; cargo tanks B63B25/08; cleaning of tanks B63B57/00; handling of liquids for use in power plants B63H21/38 B63B17/0036Arrangements for minimizing pollution by accidents associated with cargo tanks B63B25/082 B63B2017/0045Caps, hoods, or the like devices for protective purposes, not otherwise provided for B63B2017/0054Rests or supports for movable ship-borne equipment B63B2017/0063Boom rests, i.e. props for main sail booms, derricks, or the like B63B2017/0072Seaway compensators B63B17/0081Vibration isolation or damping elements or arrangements, e.g. elastic support of deck-houses mounting of propulsion plant or unit B63H21/30; vibration dampers, suppression of vibration in systems F16F B63B2017/009Wave breakers, breakwaters, splashboards, or the like B63B17/02Awnings , including rigid weather protection structures, e.g. sunroofs; Tarpaulins; Accessories for awnings or tarpaulins B63B17/023Hatchway tents, e.g. for weather protection of cargo during loading or unloading B63B2017/026Rigid awnings, or sunroofs B63B17/04StanchionsGuard-rails ; Bulwarks or the like B63B2017/045Bulwarks, or the like B63B17/06Refuse discharge, e.g. for ash arrangements of installations for treating refuse or sludge, e.g. tank washing sludge B63J4/00; removal of domestic or like refuse B65F B63B19/00Arrangements or adaptations of ports, doors, windows, port-holes, or other openings or covers scuppers B63B13/00; arrangements of watertight doors in bulkheads B63B43/24 B63B2019/0007Ship's windows B63B2019/0015Bull's eyes, or the like ship's windows B63B2019/0023Pivotal bull's eyes with central pivoting axis B63B2019/003Pivotal bull's eyes with peripheral hinge axis B63B2019/0038Ship's windows, other than bull's eyes B63B2019/0046Fixed ship's windows, other than bull's eyes B63B2019/0053Locking means for ports, doors, windows, covers, or the like, e.g. providing for watertight closure when locked B63B2019/0061comprising pivotally supported threaded locking bolts B63B2019/0069comprising movable positive fit locking members, e.g. swivelling locking clips, or dogs B63B2019/0076comprising multiple positive fit locking members arranged for simultaneous locking action B63B2019/0084with mechanical drive for effecting simultaneous locking action B63B2019/0092Fly screens, or the like protection devices against insects, e.g. for insertion into bull's eyes openings B63B19/02Clear-view screens; Windshields canopies connected to windshields B63B17/02 B63B19/04Air-catching equipment related to windows or port-holes ventilation B63J2/00 B63B19/06readily detachable B63B19/08Ports or like openings in vessels' sides or at the vessels' bow or stern forming ramps when open B63B27/143 B63B2019/083Bow ports, e.g. for ferries B63B2019/086Stern ports, e.g. for ferries or Ro-Ro-vessels B63B19/10Coal ports B63B19/12HatchesHatchways hatch coamings B63B3/54 B63B19/14Hatch covers opening devices in general E05F B63B2019/145with means for adjusting size, e.g. width B63B19/16with detachable boards B63B19/18slidable B63B2019/185with sliding bearings B63B19/19foldable B63B19/197actuated by fluid pressure B63B19/203actuated by cables or the like B63B19/21of roll-up type B63B19/22Hatch beams B63B19/24Hatch fastenings, e.g. cleats B63B2019/245Loose or removable fastening members specially adapted for fastening hatch covers to coamings, sills, or the like B63B19/26GasketsDraining means B63B19/28Other safety means B63B21/00Tying-upShifting, towing, or pushing equipmentAnchoring of buoys B63B22/04; dynamic anchoring B63H25/00 ; equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. for landing purposes, E02B Group B63H21/00 is no longer used for classification of adaptations of ropes, hawsers, or the like, or parts thereof. Documents are in the process of being reorganised to B63B21/20 B63B2021/001Mooring bars, yokes, or the like, e.g. comprising articulations on both ends B63B2021/002Yokes, or the like B63B2021/003Mooring or anchoring equipment, not otherwise provided for B63B2021/004Quick release elements in mooring connections B63B2021/005Resilient passive elements to be placed in line with mooring or towing chains, or line connections, e.g. dampers or springs B63B2021/006Suction cups, or the like, e.g. for mooring, or for towing or pushing B63B2021/007Remotely controlled subsea assistance tools, or related methods for handling of anchors or mooring lines, e.g. using remotely operated underwater vehicles for connecting mooring lines to anchors B63B2021/008Load monitors B63B2021/009Drift monitors B63B21/02Magnetic mooring equipment B63B21/04Fastening or guiding equipment for chains, ropes, hawsers, or the like means for fastening cables or ropes in general F16G11/00 B63B21/045T-shaped cleats B63B21/06Bollards B63B21/08Clamping devices in general F16B; means for fastening cables or ropes to one another or to other objects in general F16G11/00 B63B21/10Fairleads B63B21/12Rat guards B63B21/14Hawse-holesHawse-pipesHawse-hole closures B63B21/16using winches winches per se B66D B63B21/18Stoppers for anchor chains anchor capstans B66D1/72 B63B21/20Adaptations of chains, ropes, hawsers, or the like, or of parts thereof B63B2021/203Mooring cables or ropes, hawsers, or the like; Adaptations thereof B63B2021/206Weights attached to mooring lines or chains, or the like; Arrangements thereof B63B21/22Handling or lashing of anchors B63B2021/222Buoyancy elements adapted or used for manipulating anchors, e.g. buoyancy elements built-in, or connected to the anchor, and used for lifting or up-righting the same B63B2021/225Marker buoys for indicating position of an anchor, or for providing a line connection between the anchor and the water surface B63B21/227Stowing the anchor inside the vessel by hauling-in through an aperture in the side walls, stern or bottom B63B21/24Anchors B63B21/243foldable or capable of being disassembled Anchors with two or more foldable flukes B63B21/36 B63B2021/246comprising elements yielding at a predetermined load, e.g. shear bolts B63B21/26securing to bed B63B2021/262by drag embedment B63B2021/265by gravity embedment, e.g. by dropping a pile-type anchor from a certain height B63B2021/267by penetration of anchor into the sea bed using water jets, e.g. by ground or sand fluidisation B63B21/27by suction B63B21/28driven in by explosive charge B63B21/29by weight, e.g. flukeless weight anchors B63B21/30rigid when in use B63B21/28 takes precedence B63B21/32with one fluke B63B21/34with two or more flukes B63B21/36foldable B63B21/38pivoting when in use B63B21/28 takes precedence B63B21/40with one fluke B63B21/42of ploughshare type B63B21/44with two or more flukes B63B21/46with variable , e.g. sliding, connection to the chain , especially for facilitating the retrieval of the anchor B63B21/48Sea-anchorsDrogues B63B21/50Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers B63B2021/501by means of articulated towers, i.e. slender substantially vertically arranged structures articulated near the sea bed B63B21/502by means of tension legs B63B2021/504comprising suppressors for vortex induced vibrations B63B2021/505Methods for installation or mooring of floating offshore platforms on site B63B21/507with mooring turrets B63B21/508connected to submerged buoy mooring buoys per se B63B22/02 B63B21/54Boat-hooks or the like , e.g. hooks detachably mounted to a pole B63B21/56Towing or pushing equipment tugs B63B35/66; towing arrangements for water sports use B63B34/60 B63B2021/563Pushing equipment B63B2021/566comprising running ropes or chains, e.g. endless, driven by ground-borne equipment B63B21/58Adaptations of hooks for towingTowing-hook mountings hooks in general F16B B63B21/60Quick releases B63B21/62characterised by moving of more than one vessel rigid interconnections between pontoons B63B35/38 B63B21/64Equipment for towing or pushing vessels by vehicles or beings moving forward on ground-based paths along water way boat-hooks or the like B63B21/54; shore- or ground-based equipment per se, e.g. vehicles, rails, see the relevant classes B63B21/66Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables paravanes for dragging fishing nets A01K73/02; salvaging underwater vessels or objects B63C7/00; towed underwater vessels B63G8/42 B63B21/663Fairings B63B2021/666for intermittent towing B63B22/00Buoys floating decoys, e.g. for waterfowl A01M31/06; means for indicating the location of underwater objects B63C7/26; life-buoys, e.g. rings B63C9/08; mountings of acoustic transducer in underwater equipment, e.g. sonobuoys G10K11/006; electric cables supported on or from floats H02G9/12 B63B22/003adapted for being launched from an aircraft or water vehicle;, e.g. with brakes deployed in the water B63B2022/006specially adapted for measuring or watch purposes B63B22/02specially adapted for mooring a vessel B63B22/021and for transferring fluids, e.g. liquids container type buoys having means to selectively release contents, not adapted for mooring a vessel B63B22/26 B63B22/023submerged when not in use container type buoys submerged when not in use, not adapted for mooring a vessel B63B22/28; connected to turret B63B21/508 B63B22/025and comprising a restoring force in the mooring connection provided by means of weight, float or spring devices B63B22/026and with means to rotate the vessel around the anchored buoy turrets B63B21/507 B63B2022/028submerged, e.g. fitting into ship-borne counterpart with or without rotatable turret, or being releasably connected to moored vessel B63B22/04Fixations or other anchoring arrangements B63B22/06with means to cause the buoy to surface in response to a transmitted signal B63B22/023 takes precedence B63B22/08having means to release or urge to the surface a buoy on submergence thereof, e.g. to mark location of a sunken object B63B22/10Water soluble or water weakened means, i.e. buoy released by buoy-to-object securing means being destroyed on contact with water B63B22/12the surfacing of the buoy being assisted by a gas released or generated on submergence of the buoy B63B22/14Buoy-to-object securing means responsive to hydrostatic pressure B63B22/16specially adapted for marking a navigational route signalling or lighting devices B63B45/00 B63B22/163comprising a bell or other audible signal B63B22/166comprising a light B63B22/18having means to control attitude or position, e.g. reaction surfaces or tether B63B22/20Ballast means B63B22/22Inflatable buoys with gas generating means B63B22/12 takes precedence B63B22/24container type, i.e. having provision for the storage of material B63B22/26having means to selectively release contents, e.g. swivel couplings B63B22/021 takes precedence; arrangements between ships and off-shore structures for loading or unloading, using pipe lines B63B27/34; pipe joints or couplings, in general F16L B63B22/28submerged when not in use B63B22/023 takes precedence B63B23/00Equipment for handling lifeboats or the like B63B23/02Davits, i.e. devices having arms for lowering boats by cables or the like B63B23/04with arms pivoting on substantially horizontal axes, e.g. gravity type B63B23/06with actual pivots B63B23/08the arms being articulated B63B23/10with positive drive of the arms B63B23/12with simulated pivots B63B23/14using linkages B63B23/16using guide tracks B63B23/18with arms pivoting on substantially vertical axes B63B23/20Davits with single arms cranes in general B66C B63B23/22Slings or the like therefor B63B23/24Slewing equipment therefor B63B23/26with rectilinear translation of boat before lowering B63B23/28Devices for projecting or releasing boats for free fall B63B23/30Devices for guiding boats to water surface B63B23/32Rigid guides, e.g. having arms pivoted near waterline B63B23/34Guiding means for lowering by cables, e.g. for listing ships B63B23/36Skid fenders B63B23/38Transport of boats to davits or the like B63B23/40Use of lowering or hoisting gear B63B23/42with braking equipment B63B23/44on the ship B63B23/46in the boat B63B23/48using winches for boat handling winches per se B66D B63B23/50with tensioning gear B63B23/52with control of winches from boat B63B23/54with trimming equipment B63B23/56controlled from boat B63B23/58with tackle engaging or release gear B63B23/60Additional connections between boat and davits B63B23/62Fastening or storing of boats on deck B63B23/64LashingsCovers B63B23/66BlocksChocks B63B23/68for stacking boats B63B23/70Condition-responsive handling equipment, e.g. automatic release of boat from lowering tackle upon contact with water B63B25/00Load-accommodating arrangements, e.g. stowing, trimmingVessels characterised thereby trimming otherwise than by cargo division, e.g. by use of ballast B63B43/06, B63B43/08; constructive aspects of cargo spaces B63B11/00; hatches, hatchways B63B19/12 B63B25/002for goods other than bulk goods detachable decks B63B25/18; palletised articles B63B25/22; frozen goods B63B25/26; deck loads B63B25/28 B63B25/004for containers B63B25/28 takes precedence B63B25/006for floating containers, barges or other floating cargo for transporting marine vessels B63B35/40 B63B25/008for wheeled cargo B63B25/20 takes precedence B63B25/02for bulk goods B63B2025/022comprising flexible receptacles for bulk cargo, e.g. bladders for liquid cargo inserted in tanks B63B2025/025Vessels adapted for particular combinations of bulk cargo B63B2025/027Ore-bulk-oil carriers B63B25/04solid B63B25/06for cereals B63B25/08fluid constructional features of bunkers B63B11/04; tanks for fuel or the like not forming bunkers B63B17/0027 B63B25/082Arrangements for minimizing pollution by accidents associated with tanks for fuel or the like not forming bunkers B63B17/0036 B63B2025/085comprising separation membranes B63B2025/087comprising self-contained tanks installed in the ship structure as separate units B63B25/10open to ambient air B63B25/12closed B63B25/14pressurised B63B25/16heat-insulated insulating panelling B63B3/68; heating or cooling B63J B63B25/18Detachable decks B63B25/20for motor vehicles or the like B63B25/22for palletised articles B63B25/24Means for preventing unwanted cargo movement, e.g. dunnage B63B2025/245of wheeled cargo, e.g. vehicle retainers B63B25/26for frozen goods B63B25/28for deck loads B63B2025/285Means for securing deck containers against unwanted movements B63B27/00Arrangement of ship-based loading or unloading equipment for cargo or passengers self-discharging barges or lighters B63B35/30; floating cranes B66C23/52 B63B27/04of derricks , i.e. employing ships' masts B63B27/06with slewing force exerted at pivoted end B63B27/08of winches B63B27/10of cranes B63B27/12of gantry type B63B27/14of ramps, gangways or outboard ladders ; Pilot lifts B63B2027/141telescopically extendable B63B27/143Ramps B63B2027/145Inflatable ramps B63B27/146Pilot ladders or similar outboard ladders, e.g. bathing ladders; Pilot lifts B63B2027/148Pilot lifts B63B27/16of lifts or hoists pilot lifts B63B27/146 B63B2027/165Deployment or recovery of underwater vehicles using lifts or hoists B63B27/18of cableways, e.g. with breeches-buoys B63B27/19Other loading or unloading equipment involving an intermittent action, not provided in groups B63B27/04 - B63B27/18 B63B27/22of conveyers, e.g. of endless-belt or screw-type arrangements of devices with throwing action B63B27/26; arrangements of chutes B63B27/28 B63B27/24of pipe-lines B63B27/25for fluidised bulk material B63B27/26of devices with throwing action B63B27/28of chutes B63B27/29Other loading or unloading equipment involving a continuous action, not provided in groups B63B27/22 - B63B27/28 B63B27/30Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures B63B27/32using cableways B63B27/34using pipe-lines anchoring arrangements for special vessels with mooring turrets B63B21/507; buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids B63B22/021 B63B27/36Arrangement of ship-based loading or unloading equipment for floating cargo deployment or recovery of underwater vehicles using lifts of hoists B63B27/16 B63B29/00Accommodation for crew or passengers not otherwise provided for B63B29/02Cabins or other living spacesConstruction or arrangement thereof B63B2029/022Bathing platforms B63B29/025Modular or prefabricated cabins B63B2029/027Removable walls, e.g. for temporarily erecting cabin spaces in ship hold, or for subdividing living areas into smaller units; Fittings for removable wall panels B63B29/04Furniture peculiar to vessels floatable furniture B63C9/30 B63B2029/043Seats; Arrangements thereof on vessels B63B2029/046Tables, e.g. foldable or stowable B63B29/06Fastening to floors B63B29/08Storm guards on tables, e.g. fiddles B63B29/10BerthsMounting ladders therefor B63B29/12Self-levelling mountings B63B29/14Closet or like flushing arrangementsWashing or bathing facilities peculiar to ships B63B2029/145Collapsible or non-permanent privacy rooms, e.g. closets or changing rooms B63B29/16Soil water discharges arrangements of installations for treating waste water or sewage B63J4/006 B63B29/18Arrangements or adaptations of swimming pools B63B29/20Arrangements or adaptations of ladders mounting ladders for berths B63B29/10 B63B29/205on masts B63B29/22Galleys B63B32/00Water sports boardsAccessories thereforThis group covers: floating structures having a substantially thin body with respect to the width, usually meant to carry one user, which are specially adapted for water sports or leisure, e.g. surfboards, windsurfing boards, wakeboards, stand-up paddle [SUP] boards or water skis; accessories for such structures. B63B32/10Motor-propelled water sports boards power-driven personal watercraft B63B34/10 B63B32/20Boards specially adapted for use in a prone position, e.g. wild-water sledges towed water sledges B63B34/54 B63B32/22Bodyboards for surfingAccessories specially adapted therefor B63B32/30Water skis fastened to the user's feetAccessories specially adapted therefor B63B32/35Bindings B63B32/40Twintip boardsWakeboardsSurfboardsWindsurfing boardsPaddle boards, e.g. SUP boardsAccessories specially adapted therefor B63B32/45Fixation means for feet of the board user, e.g. footstraps B63B32/47Bindings, e.g. wakeboard bindings B63B32/50Boards characterised by their constructional features B63B32/51Inflatable boards, e.g. drop-stitch inflatable boards B63B32/53Sectionalised boards, e.g. modular, dismountable or foldable boards B63B32/55Multihull boards, e.g. of catamaran type B63B32/56Boards convertible into vessels or other types of water sports boards, e.g. into sailboats, canoes or water-cycles B63B32/57Boards characterised by the material, e.g. laminated materials B63B32/59Boards characterised by their manufacturing process, e.g. moulded or 3D printed B63B32/60Board appendages, e.g. fins, hydrofoils or centre boards B63B32/62characterised by the material, e.g. laminated materialscharacterised by their manufacturing process B63B32/64Adjustable, e.g. by adding sections, by removing sections or by changing orientation or profile B63B32/66Arrangements for fixation to the board, e.g. fin boxes or foil boxes B63B32/68Mast foot attachments, e.g. mast foot rails B63B32/70Accessories not specially adapted for a particular type of board, e.g. paddings or buoyancy elements B63B32/73for tethering users or objects to the board, e.g. leashes B63B32/77Arrangements for fixation of accessories to the board, e.g. inserts or rails B63B32/80Arrangements specially adapted for stowing or transporting water sports boards B63B32/83for stowing, e.g. racks or straps B63B32/87for carrying, e.g. board bags B63B34/00Vessels specially adapted for water sports or leisureBody-supporting devices specially adapted for water sports or leisure water sports boards B63B32/00; swimming frameworks A63B35/00; propulsion arrangements actuated by muscle power B63H16/00This group covers floating structures supporting the user's body and moving on the water surface, which are specially adapted for water sports or leisure. B63B34/05Vessels specially adapted for hunting or fishing B63B34/10Power-driven personal watercraft, e.g. water scooters water jet propulsion B63H11/00; jet steering B63H25/46Accessories therefor B63B34/15for hydroflight sports B63B34/20Canoes, kayaks or the like B63B34/21characterised by constructional features B63B34/22Inflatablehaving inflatable parts B63B34/23Sectionalised, e.g. modular, collapsible or foldable B63B34/26Accessories for canoes, kayaks or the like effecting propulsion by muscle power B63H16/00; outboard propulsion units B63H20/00 B63B34/30Rowing boats specially adapted for racingAccessories therefor effecting propulsion by rowing B63H16/00 B63B34/40Body-supporting structures dynamically supported by foils under water B63B34/45Accessories therefor B63B34/50Body-supporting buoyant devices, e.g. bathing boats or water cycles swimming aids A63B31/00 B63B34/52Inflatable or partly inflatable B63B34/54specially adapted for being towed, e.g. banana boats, water sledges or towed buoys arrangements for towing B63B34/60 B63B34/56for use in a standing position, e.g. water shoes, water walking devices or buoyant skis B63B34/565Accessories, e.g. sticks for water walking B63B34/60Arrangements for towing, e.g. for use with water-skis or wakeboards B63B34/63Holding means for the user, e.g. handle bars or harnesses B63B34/67Connection means on the towing watercraft, e.g. pylons, side poles or winches B63B34/70Arrangements on vessels specially adapted for generating waves for surfing, wakeboarding or the like, e.g. ballast tanks B63B34/75Arrangements of wake plates B63B35/00Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for B63B2035/001for beach loading or unloading, e.g. landing crafts B63B2035/002for inland waters, e.g. for use on canals or rivers B63B35/003for transporting very large loads, e.g. offshore structure modules construction methods for artificial islands mounted on piles E02B17/00; for transporting marine vessels B63B35/40; docks B63C1/00 B63B2035/004Passenger vessels, e.g. cruise vessels or the like B63B2035/005Search and rescue [SAR] vessels B63B2035/006Unmanned surface vessels, e.g. remotely controlled B63B2035/007autonomously operating B63B2035/008remotely controlled B63B2035/009Wind propelled vessels comprising arrangements, installations or devices specially adapted therefor, other than wind propulsion arrangements, installations, or devices, such as sails, running rigging, or the like, and other than sailboards or the like or related equipment B63B35/03Pipe-laying vessels laying pipes under water F16L1/12 B63B35/04Cable-laying vessels B63B35/06for moving cable-ends from ship to shore B63B35/08Ice-breakers or other vessels or floating structures for operation in ice-infested waters; Ice-breakers, or other vessels or floating structures having equipment specially adapted therefor Subject matter concerning vessels, or floating structures adapted at the same time for another particular purpose are also classified in the respective other particular groups of B63B35/00, e.g. floating buildings, stores, drilling platforms or workshops for operation in ice infested waters are also classified in B63B35/44. B63B35/083Ice-breakers B63B35/10, B63B35/12 take precedence B63B35/086Vessels for displacing icebergs, or related methods tugs in general B63B35/66 B63B35/10having forced pitching or rolling equipment B63B35/12having ice-cutters B63B35/14Fishing vessels fishing A01K69/00 - A01K97/00 B63B35/16Trawlers B63B35/18adapted to dragging nets aboard B63B35/20adapted to hoisting nets aboard B63B35/22Whale catchersWhale factory vessels B63B35/24Fish holds B63B35/26for live fish B63B35/28Barges or lighters underwater-towed barges B63G8/42; for transporting logs B63B35/62 B63B35/285Flexible barges, e.g. bags B63B35/30self-discharging B63B35/301discharging by turning over part of or the whole barge B63B35/303discharging by suction, pressing or washing B63B35/305discharging by mechanical means B63B35/306discharging through dump-gates on the bottom or sides of the barge B63B35/308Split barges interconnected hingedly or slidably B63B35/32for collecting pollution from open water If the apparatus for collecting pollution from open water is of interest apart from ship construction aspects, it is also classified in group E02B15/00 B63B35/34Pontoons floating bridges E01D15/14 B63B35/36foldable B63B35/38Rigidly-interconnected pontoons B63B35/40for transporting marine vessels load accommodation for floating barges and the like B63B25/006 B63B2035/405for carrying submarines B63B35/42with adjustable draught B63B35/44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices construction methods for floating offshore platforms B63B75/00 B63B35/4406Articulated towers, i.e. substantially floating structures comprising a slender tower-like hull anchored relative to the marine bed by means of a single articulation, e.g. using an articulated bearing B63B35/4413Floating drilling platforms, e.g. carrying water-oil separating devices B63B2035/442Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies B63B2035/4426Stationary floating buildings for human use, e.g. floating dwellings or floating restaurants B63B2035/4433Floating structures carrying electric power plants B63B2035/444for converting combustion energy into electric energy B63B2035/4446for converting nuclear energy into electric energy B63B2035/4453for converting solar energy into electric energy B63B2035/446for converting wind energy into electric energy B63B2035/4466for converting water energy into electric energy, e.g. from tidal flows, waves or currents B63B2035/4473Floating structures supporting industrial plants, such as factories, refineries, or the like B63B2035/448Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO] B63B2035/4486Floating storage vessels, other than vessels for hydrocarbon production and storage, e.g. for liquid cargo B63B2035/4493Floating structures supporting vegetation, such as trees, reeds, crops, plants, or the like, e.g. flexible structures B63B35/50Vessels or floating structures for aircraft aircraft carriers B63G11/00; flying-boat hulls, other flotation means for aircraft B64 B63B35/52Nets, slipways or the like, for recovering aircraft from the water B63B35/53Floating runways B63B35/54Ferries propulsion of chain ferries B63H B63B35/56Lightships marking of navigational route B63B51/00 B63B35/58Rafts, i.e. free floating waterborne vessels, of shallow draft, with little or no freeboard, and having a platform or floor for supporting a user lifeboats, life-rafts or the like B63C9/02 B63B35/607having a platform or floor below the level of the buoyancy means, e.g. suspended basket type B63B35/613with tubular shaped flotation members B63B35/62formed from logs or the like B63B35/66Tugs towing or pushing equipment B63B21/56 B63B35/665Floating propeller units, i.e. a motor and propeller unit mounted in a floating box outboard propulsion units B63H20/00 B63B35/68for towing B63B35/70for pushing B63B39/00Equipment to decrease pitch, roll, or like unwanted vessel movementsApparatus for indicating vessel attitude for amphibious vehicles B60F3/0038 B63B39/005Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations propulsion mountings for anti-vibration purposes B63H21/30; vibration dampers, suppression of vibration in systems F16F B63B39/02to decrease vessel movements by displacement of masses B63B39/03by transferring liquids B63B39/04to decrease vessel movements by using gyroscopes directly B63B39/06to decrease vessel movements by using foils acting on ambient water constructional aspects of bilge keels B63B3/44 ; foils mounted on the housing of outboard motors B63H20/34 B63B39/061by using trimflaps, i.e. flaps mounted on the rear of a boat, e.g. speed boat B63B39/062the foils being mounted on outriggers or the like, e.g. antidrift hydrofoils for sail boats hydrofoils B63B1/24; drop keels B63B41/00 B63B2039/063the foils comprising flexible portions B63B2039/065the foils being pivotal about an axis substantially parallel to the longitudinal axis of the vessel B63B2039/066the lift generating devices using the Magnus effect B63B2039/067effecting motion dampening by means of fixed or movable resistance bodies, e.g. by bilge keels B63B2039/068the foils having a variable cross section, e.g. a variable camber B63B39/08to decrease vessel movements by using auxiliary jets or propellers for steering or dynamic anchoring B63H25/00 B63B39/10to decrease vessel movements by damping the waves, e.g. by pouring oil on water B63B2039/105by absorption of wave energy, e.g. by structured, wave energy absorbing hull surfaces B63B39/12for indicating draught or load B63B39/14for indicating inclination or duration of roll B63B41/00Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels keels integral with hull B63B3/38; foils or keels on surf-boards B63B32/50; stabilising foils B63B39/06 B63B2041/003Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels B63B2041/006Telescopically collapsible keels B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for fire-fighting in ships A62C3/10 B63B2043/003Arrangements of emergency exits, e.g. for escape from engine rooms B63B2043/006Methods or installations specially adapted for detecting ingress of ambient water, e.g. leak detectors B63B43/02reducing risk of capsizing or sinking by means of watertight doors in bulkheads B63B43/24 B63B43/04by improving stability B63B2043/042using outboard booms supporting ballast, other than solid ballast or persons, e.g. carrying water-filled bags B63B43/045by decreasing the free surface effect of water entered in enclosed decks B63B2043/047by means of hull shapes comprising a wide hull portion near the design water line, and a slender, buoyancy providing, main hull portion extending towards the bottom B63B43/06using ballast tanks conduits for emptying or ballasting B63B13/00 B63B43/08by transfer of solid ballast B63B43/085the stabilising effect being provided by the weight of a person placed on an outrigger seat swingable around a vertical axis B63B43/10by improving buoyancy amphibious cycles B60F3/0038 B63B43/12using inboard air containers or inboard floating members B63B2043/123using floaters mounted to the tip of a mast, e.g. inflatable B63B2043/126pneumatic, e.g. inflatable on demand B63B43/14using outboard floating members B63B2043/145pneumatic, e.g. inflatable on demand B63B43/16Temporary equipment for stopping leaks, e.g. collision mats B63B43/18preventing collision or groundingreducing collision damage reducing pollution by collision B63B25/082 B63B2043/185using shock absorbing telescoping buffers B63B43/20Feelers B63B43/24Arrangements of watertight doors in bulkheads B63B43/26of sliding type B63B43/28with mechanical drive B63B43/30with fluid drive B63B43/32of non-sliding type B63B45/00Arrangements or adaptations of signalling or lighting devices arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; life-buoys, -belts, -jackets, -suits or the like, characterised by signalling means B63C9/20; lighting devices or systems therefor F21L, F21S B63B2045/005comprising particular electric circuits B63B45/02the devices being intended to illuminate the way ahead or other areas of environments B63B45/04the devices being intended to indicate the vessel or parts thereof B63B45/06the devices being intended to illuminate vessels' decks or interior B63B45/08the devices being acoustic B63B49/00Arrangements of nautical instruments or navigational aids nautical measuring instruments G01C; radio navigation, analogous arrangements using other waves G01S B63B51/00Marking of navigation route B63B51/02with anchored lightshipsby use of lighthouses B63B51/04with free-floating flares B63B57/00Tank or cargo hold cleaning specially adapted for vessels tank cleaning in general B08B9/08 B63B2057/005of ballast tanks, e.g. from deposits, biological organisms; Ship-borne installations therefor B63B57/02by washing B63B57/04by ventilating B63B59/00Hull protection specially adapted for vesselsCleaning devices specially adapted for vessels inhibiting corrosion of metals by anodic or cathodic protection C23F13/00 B63B59/02Fenders integral with waterborne vessels or specially adapted therefor, e.g. fenders forming part of the hull or incorporated in the hullRubbing-strakes fenders on coasts, in harbours or on other fixed marine structures E02B3/26 B63B2059/025pneumatic, e.g. inflatable B63B59/04Preventing hull fouling anti-fouling paints C09D5/16 B63B59/045by wrapping the submerged hull or part of the hull with an impermeable sheet stopping temporarily leaks in hulls with impermeable sheets B63B43/16 B63B59/06Cleaning devices for hulls B63B2059/065mounted on land-borne vehicles, e.g. travelling on the bottom of a dry-dock B63B59/08of underwater surfaces while afloat B63B59/10 takes precedence B63B2059/082the devices being supported on arms or rods B63B2059/085the devices being adapted for operation by divers B63B2059/087the devices being adapted for being pulled across, or along the underwater surface to be cleaned, e.g. by ropes B63B59/10using trolleys or the like driven along the surface B63B69/00Equipment for shipping not otherwise provided for B63B71/00Designing vesselsPredicting their performance B63B71/10using computer simulation, e.g. finite element method [FEM] or computational fluid dynamics [CFD] B63B71/20using towing tanks or model basins for designing B63B73/00Building or assembling vessels or marine structures, e.g. hulls or offshore platforms B63B73/10Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections B63B73/20Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks B63B73/30Moving or transporting modules or hull blocks to assembly sites, e.g. by rolling, lifting or floating B63B73/40characterised by joining methods B63B73/43Welding, e.g. laser welding B63B73/46GluingTapingCold-bonding B63B73/48Riveting B63B73/49by means of threaded members, e.g. screws, threaded bolts or nuts B63B73/50characterised by forming methods, e.g. manufacturing of curved blocks B63B73/60characterised by the use of specific tools or equipmentcharacterised by automation, e.g. use of robots B63B73/70characterised by using mouldsMoulds or plugs therefor B63B73/72characterised by plastic moulding, e.g. injection moulding, extrusion moulding or blow moulding B63B73/74characterised by lamination of materials B63B75/00Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms B63B77/00Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms B63B77/10specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators B63B79/00Monitoring properties or operating parameters of vessels in operation B63B79/10using sensors, e.g. pressure sensors, strain gauges or accelerometers B63B79/15for monitoring environmental variables, e.g. wave height or weather data B63B79/20using models or simulation, e.g. statistical models or stochastic models B63B79/30for diagnosing, testing or predicting the integrity or performance of vessels B63B79/40for controlling the operation of vessels, e.g. monitoring their speed, routing or maintenance schedules B63B81/00Repairing or maintaining vessels B63B83/00Rebuilding or retrofitting vessels, e.g. retrofitting ballast water treatment systems B63B83/10for increasing cargo capacity B63B83/20for conversion to a different use, e.g. for converting tankers into a FPSO-FLNG units B63B83/30for improving energy efficiency, e.g. by improving hydrodynamics or by upgrading the power plant B63B83/40for reducing risks of pollution or contaminationfor improving safety B63B85/00Dismantling or scrapping vessels B63B2201/00Indexing schemes associated with subclasses B63B, B63C, B63G, B63H and B63J, relating to aspects of particular or unusual use, materials, design, methods or means. B63B2201/00Signalling devices B63B2201/02Audible B63B2201/04Illuminating B63B2201/06by combustion of fluid B63B2201/08Electric light B63B2201/10Smoke producing B63B2201/12Reflecting means B63B2201/14Balloon B63B2201/16Radio B63B2201/18Sonar B63B2201/20Antenna or mast B63B2201/22Spread-open chemicals or other products B63B2201/24by means of bubbles B63B2201/26signalling anomalies, e.g. rupture of connection B63B2203/00Communication means B63B2203/02telephone B63B2205/00Tethers B63B2205/02Tether payout means B63B2205/04comprising means for controlling payout B63B2205/06Reels for tethers B63B2205/08with means for recovering submerged objects B63B2207/00Buoyancy or ballast means B63B2207/02Variable ballast or buoyancy B63B2207/04Pressure equalising or adjusting B63B2209/00Energy supply or activating means B63B2209/02water activated switches B63B2209/04water activated batteries B63B2209/06fluid produced by reaction with water B63B2209/08impact with water-surface or -bottom B63B2209/10pyrotechnic means B63B2209/12with time-delay B63B2209/14energy generated by movement of the water B63B2209/16nuclear energy B63B2209/18solar energy B63B2209/20wind energy B63B2211/00Applications B63B2211/02Oceanography B63B2211/04Diving B63B2211/06Operation in ice-infested waters B63B2213/00Navigational aids and use thereof, not otherwise provided for in this class B63B2213/02using satellite radio beacon positioning systems, e.g. the Global Positioning System GPS B63B2221/00Methods and means for joining members or elements B63B2221/02by welding B63B2221/04by soldering B63B2221/06by riveting B63B2221/08by means of threaded members, e.g. screws, threaded bolts or nuts B63B2221/10using adhesives B63B2221/12by means of hook and loop fasteners B63B2221/14by means of zippers or the like B63B2221/16by means of ties, ribbons or the like B63B2221/18by sewing, stitching, stapling or the like methods B63B2221/20Joining substantially rigid elements together by means that allow one or more degrees of freedom, e.g. hinges, articulations, pivots, universal joints, telescoping joints, elastic expansion joints, not otherwise provided for in this class B63B2221/22by means that allow one or more degrees of angular freedom, e.g. hinges, articulations, pivots, universal joints, not otherwise provided for in this class B63B2221/24by means that allow one or more degrees of translational freedom, e.g. telescopic joints, not otherwise provided for in this class B63B2231/00Material used for some parts or elements, or for particular purposes B63B2231/02Metallic materials B63B2231/04Irons, steels or ferrous alloys B63B2231/06Stainless steels B63B2231/10Aluminium or aluminium alloys B63B2231/12Copper or copper alloys B63B2231/14Bronze, e.g. nickel-aluminium bronze B63B2231/16Brass B63B2231/18Titanium or titanium alloys B63B2231/20Magnesium or magnesium alloys B63B2231/28Shape-memory alloys B63B2231/30Magnetic materials B63B2231/32Vegetable materials or material comprising predominately vegetable material B63B2231/34Wood or wood products B63B2231/40Synthetic materials B63B2231/42Elastomeric materials B63B2231/44Rubber B63B2231/46Natural rubber or caoutchouc B63B2231/48Synthetic rubber, e.g. silicone rubber, Neoprene, polyurethane B63B2231/50Foamed synthetic materials B63B2231/52Fibre reinforced plastics materials B63B2231/60Concretes B63B2231/62Lightweight concretes B63B2231/64Reinforced or armoured concretes B63B2231/66Fibre reinforced concretes, e.g. synthetic fibre reinforced concretes B63B2231/68Prestressed concretes B63B2231/70Glass B63B2231/72Hollow glass microspheres B63B2231/74Bituminous materials or the like B63B2231/76Ice B63B2241/00Design characteristics B63B2241/02Design characterised by particular shapes B63B2241/04by particular cross sections B63B2241/06circular B63B2241/08polygonal B63B2241/10by particular three dimensional shapes B63B2241/12annular or toroidal B63B2241/14spherical B63B2241/16polyhedral B63B2241/20Designs or arrangements for particular purposes not otherwise provided for in this class B63B2241/22for providing redundancy to equipment or functionality of a vessel, e.g. for steering B63B2241/24for facilitating transport, e.g. hull shape with limited dimensions B63B2241/26for transport on roads, e.g. hull shape with maximum dimensions for public roads B63B2241/28for airborne transport