E04G

SCAFFOLDING

FORMS

SHUTTERING

BUILDING IMPLEMENTS OR AIDS, OR THEIR USE

HANDLING BUILDING MATERIALS ON THE SITE

REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS

In this subclass the word "scaffolding" includes other supports for like purposes

The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:

E04G23/03

covered by

E04G23/0266

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.

E04G1/00

Workmen's or safety scaffolds

E04G1/00

Scaffolds primarily resting on the ground

E04G1/02

composed essentially of members elongated in one dimension only, e.g. poles, lattice masts, with or without end portions of special form, connected together by any means

E04G1/04

the members being exclusively poles, rods, beams, or other members of similar form and simple cross-section

E04G1/06

comprising members with rod-like or tubular portions fitting together end to end, with or without separate connecting pieces

E04G1/08

secured together by bolts or the like penetrating the members

E04G1/10

Timber-work constructions

E04G1/12

comprising members of special, e.g. composite, cross-section or with lugs or the like or lateral apertures for supporting or attaching other members

E04G1/14

Comprising essentially pre-assembled two-dimensional frame-like elements, e.g. of rods in L- or H-shape, with or without bracing E04G1/15 takes precedence

E04G1/15

essentially comprising special means for supporting or forming platforms E04G1/20 takes precedence

Platforms boards or planks therefor E04G5/08

, clips or connections for securing boards E04G7/28

E04G1/151

Platforms made of wood, with or without reinforcements E04G1/152 takes precedence

E04G1/152

Platforms made of metal or with metal-supporting frame

E04G1/153

Platforms made of plastics, with or without reinforcement E04G1/152 takes precedence

E04G1/154

Non-detachably fixed and secured connections between platform and scaffold

E04G2001/155

Platforms with an access hatch for getting through from one level to another

E04G2001/156

Stackable platforms

E04G2001/157

Extensible platforms, e.g. telescopic platforms

E04G2001/158

Platforms supported by spigots which engage through holes in the platform

E04G1/17

Comprising essentially pre-assembled three-dimensional elements, e.g. cubic elements

E04G1/18

adjustable in height

lifting devices for movable platforms, e.g. on vehicles B66F11/04

E04G1/20

Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong

E04G1/22

Scaffolds having a platform on an extensible substructure, e.g. of telescopic type or with lazy-tongs mechanism

E04G1/24

comprising essentially special base constructions

comprising essentially special ground-engaging parts, e.g. inclined struts, wheels component parts E04G5/00

E04G2001/242

Scaffolds movable on wheels or tracks

E04G2001/244

mechanically operated

E04G2001/246

human powered

E04G2001/248

Inclined struts

E04G1/28

designed to provide support only at a low height

E04G1/30

Ladder scaffolds

ladders having platforms E06C1/39, platforms on, or for use on; ladders E06C7/16

E04G2001/302

with ladders supporting the platform

E04G2001/305

The ladders being vertical and perpendicular to the platform

E04G2001/307

The ladders being self-supporting folding ladders

E04G1/32

Other free-standing supports, e.g. using trestles stands or trestles in general F16M11/00

, work benches B25H1/00

E04G1/34

Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down

E04G1/36

Scaffolds for particular parts of buildings or buildings of particular shape, e.g. for stairs, cupolas, domes

scaffolding usable on slipways and in dry docks B63C5/02

E04G1/362

specially adapted for tanks, silos or similar vessels

E04G1/365

specially adapted for staircases or stairs

E04G1/367

specially adapted for elevator shafts

E04G1/38

Scaffolds partly supported by the building ladders attachable to the structures E06C1/34

E04G3/00

Scaffolds essentially supported by building constructions, e.g. adjustable in height E04G1/00 takes precedence

and E04G21/3204 takes precedence

E04G3/18

supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings E04G3/28 takes precedence

E04G3/20

supported by walls E04G3/28 takes precedence; wall-anchors for supporting scaffolds E04G5/04; consoles E04G5/06

E04G3/22

supported by roofs or ceilings E04G3/28 takes precedence

E04G3/24

specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons E04G3/28 takes precedence;

E04G1/362, E04G3/305 take precedence; scaffolding usable on slipways and in dry docks B63C5/02

E04G3/243

following the outside contour of a building E04G3/26 takes precedence

E04G3/246

following the inside contour of a building

E04G3/26

specially adapted for working on roofs

devices or arrangements allowing walking on the roof or in the gutter E04D13/12

E04G3/265

with means to adapt it to a variable pitch of the roof

E04G3/28

Mobile scaffolds

Scaffolds with mobile platforms

movable inspection or maintenance platforms for bridges E01D19/106, lifting devices for movable platforms, e.g. on vehicles B66F11/04

E04G2003/283

mobile horizontally

E04G2003/286

mobile vertically

E04G3/30

suspended by flexible supporting elements, e.g. cables

E04G3/305

specially adapted for tanks, silos or similar vessels E04G3/24 takes precedence

E04G3/32

Hoisting devices

Safety devices

E04G3/325

Safety devices for stabilising the mobile platform, e.g. to avoid it swinging in the wind

E04G3/34

characterised by supporting structures provided on the roofs

E04G5/00

Component parts or accessories for scaffolds connections E04G7/00

E04G5/001

Safety or protective measures against falling down relating to scaffoldings E04G5/14 takes precedence

E04G5/002

Protections or covers for scaffolding connections

E04G5/003

Devices for storing material on the scaffold

E04G5/004

Storage and transport racks for scaffolding components

E04G5/005

Devices for cleaning or repairing scaffold tubes

E04G5/006

Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade

E04G5/007

Devices and methods for erecting scaffolds, e.g. automatic scaffold erectors

E04G2005/008

Hoisting devices specially adapted as part of a scaffold system

E04G5/02

Scaffold feet, e.g. with arrangements for adjustment

E04G5/025

Foot load distribution plates

E04G5/04

Means for fastening, supporting, or bracing scaffolds on or against building constructions fastenings in general F16B

E04G5/041

for fastening scaffolds on roof frameworks or on roofs

E04G5/043

for fastening scaffolds on gutters

E04G5/045

for fastening scaffoldings on profiles, e.g. I or H profiles

E04G5/046

for fastening scaffoldings on walls

E04G5/048

with hooks to be attached on the wall's crown

E04G5/06

Consoles

Brackets

E04G3/00 takes precedence

E04G5/061

specially adapted for attachment to scaffolds

E04G5/062

specially adapted for attachment to building walls

E04G5/064

specially adapted for attachment to building floors

E04G5/065

specially adapted for attachment to ladders platforms on, or for use on, ladders E06C7/16

E04G5/067

specially adapted for attachment to posts E04G5/061 takes precedence

E04G2005/068

Connections of consoles at an angle

E04G5/08

Scaffold boards or planks

clips or connections for securing boards E04G7/28; scaffolds comprising special means for supporting or forming platforms, platforms E04G1/15

E04G5/10

Steps or ladders specially adapted for scaffolds

E04G27/00 takes precedence

E04G5/12

Canopies

safety or protective measures preventing damage to building parts or finishing work during construction E04G21/24

E04G2005/125

Roof for scaffolds, e.g. extending to the adjacent building

E04G5/14

Railings

E04G5/141

with an access door or the like therefor

E04G5/142

extensible or telescopic

E04G5/144

specific for the lateral, i.e. short side of a scaffold

E04G5/145

Toe boards therefor

E04G5/147

specially adapted for mounting prior to the mounting of the platform

E04G2005/148

latticed or netted

E04G5/16

Struts or stiffening rods, e.g. diagonal rods

E04G5/165

Lintel for scaffoldings

E04G7/00

Connections between parts of the scaffold for building structures in general E04B1/38; connections in general F16B

; connection for tubes or rods in general F16B7/00

E04G2007/005

Adaptors to adapt the connection means of one manufacturer's scaffold system to the one of another manufacturer

E04G7/02

with separate coupling elements

E04G7/04

Flexible elements, with or without brackets, e.g. ropes, cables, chains in general F16G

, means for fastening cables or ropes to one another or to other objects F16G11/00

E04G7/06

Stiff scaffolding clamps for connecting scaffold members of common shape

E04G7/08

Clamps for parallelly-arranged members

E04G7/10

Self-tightening clamps, e.g. stirrups

E04G7/12

Clamps or clips for crossing members E04G7/22 takes precedence

E04G7/14

for clamping the members independently

E04G7/16

of which the clamping parts for the different members are rotatable with respect to one another

E04G7/18

for clamping the members against one another or against a separate cushioning piece between them

E04G7/20

for ends of members only, e.g. for connecting members in end-to-end relation

E04G7/22

for scaffold members in end-to-side relation

E04G7/24

Couplings involving arrangements covered by more than one of the subgroups E04G7/08, E04G7/12, E04G7/20, E04G7/22

E04G7/26

for use with specially-shaped scaffold members

E04G7/28

Clips or connections for securing boards brackets E04G5/06

; scaffolds comprising special means for supporting or forming platforms, platforms E04G1/15; scaffold boards or planks E04G5/08

E04G2007/285

specially adapted for toe boards

E04G7/30

Scaffolding bars or members with non-detachably fixed coupling elements

E04G7/301

for connecting bars or members which are parallel or in end-to-end relation

E04G7/302

for connecting crossing or intersecting bars or members

E04G7/303

the added coupling elements are only fixed at one of the bars or members to connect

E04G7/304

with tying means for connecting the bars or members

E04G7/305

without tying means for connecting the bars or members

E04G7/306

the added coupling elements are fixed at several bars or members to connect

E04G7/307

with tying means for connecting the bars or members

E04G7/308

without tying means for connecting the bars or members

E04G7/32

with coupling elements using wedges

E04G7/34

with coupling elements using positive engagement, e.g. hooks or pins

E04G9/00

Falsework, forms, or shutterings for shaping of building parts in situ scaffolding in general E04G1/00; moulds for making units for prefabricated buildings or prefabricated stair units B28B7/22; forms or shutterings of the construction E04B, E04C

E04G9/00

Forming or shuttering elements for general use

for prefabrication of concrete elements in a plant B28B7/00

E04G9/02

Forming boards or similar elements E04G9/08, E04G9/10 take precedence

E04G9/021

the form surface being of cardboard

E04G2009/023

with edge protection

E04G2009/025

by a flange of the board's frame

E04G2009/026

specific for corners

E04G2009/028

with reinforcing ribs on the underside

E04G9/04

the form surface being of wood

E04G9/05

the form surface being of plastics

E04G9/06

the form surface being of metal

E04G9/065

the form surface being of wire mesh

E04G9/08

Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up

E04G9/083

which are foldable

E04G9/086

which are specially adapted to be degradable in time, e.g. by moisture or water

E04G9/10

with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air

E04G11/00

Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs

for prefabrication of concrete elements in a plant B28B7/00

E04G11/02

for rooms as a whole

by which walls and floors are cast simultaneously

, whole storeys, or whole buildings

E04G11/04

for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section

Inflatable forms connection of valves to inflatable elastic bodies B60C29/00

; structures made from masses cast in situ with permanent forms E04B1/16

E04G11/045

Inflatable forms

E04G11/06

for walls, e.g. curved

end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts

E04G11/04 takes precedence

E04G11/062

Forms for curved walls E04G11/20 takes precedence

E04G11/065

with mechanical means to modify the curvature

E04G2011/067

Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

E04G11/08

Forms, which are completely dismantled after setting of the concrete and re-built for next pouring

E04G11/062 takes precedence

; connecting or supporting means for forms E04G17/00;

walls made by casting, pouring, in situ made in permanent forms E04B2/84

E04G11/082

Retractable forms for the inside face of at least three walls for rooms as a whole E04G11/02

E04G11/085

End form panels for walls for floors E04G11/365

E04G11/087

Fill-in form panels in the plane of two adjacent forms

E04G11/10

of elements without beams

which are mounted during erection of the shuttering to brace or couple the elements

E04G11/18 takes precedence

E04G11/12

of elements and beams

which are mounted during erection of the shuttering to brace or couple the elements

E04G11/18 takes precedence

E04G11/14

with beams arranged in alignment with and between the elements

and form also the shuttering face

E04G11/16

with beams placed within the wall

E04G11/18

for double walls

E04G11/20

Movable forms

Movable forms for moulding cylindrical, conical or hyperbolical structures

Templates serving as forms for positioning blocks or the like E04G11/04 takes precedence

E04G11/22

Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising

and which are not anchored in the hardened concrete

Arrangements of lifting means therefor

E04G11/24

Construction of lifting jacks or climbing rods for sliding forms climbing-type hoisting units in general B66F

E04G11/26

the sheathing of which consists of ribbons, endless aprons or the like, guided by driven rollers

E04G11/34 takes precedence

E04G11/28

Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer

and which are anchored in the hardened concrete

E04G11/30

which are lifted from layer to layer by turning, tilting, or similar moving upwards about a horizontal axis

E04G11/32

Tiltable forms or tilting tables for making walls as a whole or in parts in situ

E04G11/34

Horizontally-travelling moulds for making walls blockwise or section-wise E04G11/26 takes precedence

E04G11/36

for floors, ceilings, or roofs of plane or curved surfaces

end formpanels for floor shutterings floors with lost forms E04B5/32

E04G11/365

Stop-end shutterings end panels for walls E04G11/085

E04G11/38

for plane ceilings of concrete

E04G11/40

for coffered or ribbed ceilings

E04G11/42

with beams of metal or prefabricated concrete

which are not, or of which only the upper part is embedded

E04G11/44

with supporting beams for the shuttering used simultaneously as permanent reinforcement of the ribs

E04G11/46

of hat-like or trough-like shape encasing a rib or the section between two ribs or encasing one rib and its adjacent flat floor or ceiling section

for separately encased beams E04G13/04

E04G11/48

Supporting structures for shutterings or frames for floors or roofs struts E04G25/00

E04G11/483

Supporting heads E04G11/486 takes precedence

E04G11/486

Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads

E04G11/50

Girders, beams, or the like as supporting members for forms girders intended to form part of the construction E04C3/02; members, e.g. consoles, for attachment to the wall E04G17/16

E04G2011/505

with nailable or screwable inserts

E04G11/52

of several units arranged one after another

E04G11/54

of extensible type, with or without adjustable supporting shoes, fishplates, or the like

E04G11/56

of telescopic type

E04G13/00

Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies

foundations, sills E04G11/365 takes precedence; flat foundations, e.g. with lost forms E02D27/01; removable forms or shutterings for road-building purposes E01C19/50

E04G13/02

for columns or like pillars

Special tying or clamping means therefor

columns, pillars of concrete with permanent forms E04C3/34

E04G13/021

for circular columns

E04G13/023

with means for modifying the sectional dimensions E04G13/021 takes precedence

E04G13/025

with stiff clamping means bracing the back-side of the form without penetrating the forming surface

E04G13/026

the forming surface-element being the same for different sections of the column

E04G13/028

for columns' capital

E04G13/04

for lintels, beams, or transoms to be encased separately

Special tying or clamping means therefor

hat-like or trough-like elements encasing a rib and its adjacent ceiling section E04G11/46;

members, e.g. consoles, for attachment to the wall E04G17/16

E04G13/06

for stairs, steps, cornices, balconies, or other parts corbelled out of the wall

moulds for making prefabricated stair units B28B7/225; stairways with permanent forms E04F11/02

E04G13/062

for stairs or steps

E04G13/064

for chimney crowns

E04G13/066

for overhangs

E04G13/068

for window or door sills

E04G15/00

Forms or shutterings for making openings, cavities, slits, or channels forming part of shuttering for walls E04G11/06

, e.g. double walls E04G11/18; prefabricated elements with elements wholly or partly embedded therein B28B23/00; core or mandrels for the prefabrication of concrete elements B28B7/28

E04G15/02

for windows, doors, or the like

E04G15/04

Cores for anchor holes or the like

around anchors embedded in the concrete means in or on the building element for connecting to handling apparatus E04G21/142

E04G15/06

for cavities or channels in walls of floors, e.g. for making chimneys

E04G15/061

Non-reusable forms positioning means without forming function E04G21/185; electric distribution boxes H02G3/08

E04G15/063

Re-usable forms

E04G15/065

with mechanical means to modify the section E04G15/068 takes precedence

E04G15/066

with fluid means to modify the section E04G15/068 takes precedence

E04G15/068

for channels open towards the surface

E04G17/00

Connecting or other auxiliary members for forms, falsework structures, or shutterings

E04G17/001

Corner fastening or connecting means for forming or stiffening elements forms for rooms as a whole E04G11/02; forms for vertical ducts E04G11/06; forms for columns E04G13/02

E04G17/002

Workplatforms, railings; Arrangements for pouring concrete, attached to the form

E04G17/004

Strips for creating a chamfered edge

E04G17/005

Strips for covering joints between form sections, e.g. to avoid burring or spilling of laitance

E04G17/007

Plugs to close openings in forms' surface

E04G2017/008

Pin and hole connection type

E04G17/02

Connecting or fastening means for non-metallic forming or stiffening elements

E04G17/001 takes precedence

E04G17/04

Connecting or fastening means for metallic forming or stiffening elements

, e.g. for connecting metallic elements to non-metallic elements E04G17/001 takes precedence

E04G17/042

being tensioned by threaded elements E04G17/047 takes precedence

E04G17/045

being tensioned by wedge-shaped elements E04G17/047 takes precedence

E04G17/047

simultaneously tying two facing forms

E04G17/06

Tying means

Spacers

; Devices for extracting or inserting wall ties E04G17/047 takes precedence; permanent forms for walls, e.g. with ties E04B2/86

E04G17/064

Spacers placed on the bottom of the mould

E04G17/0642

Devices for extracting or inserting wall ties or parts thereof

E04G17/0644

Plug means for tie-holes

E04G2017/0646

made of a flat strip, e.g. of metal

E04G2017/0648

The strip being twisted

E04G17/065

Tying means, the tensional elements of which are threaded to enable their fastening or tensioning

E04G17/0651

One-piece elements

E04G17/0652

fully recoverable

E04G17/0654

remaining completely or partially embedded in the cast material

E04G17/0655

the element consisting of several parts

E04G17/0657

fully recoverable

E04G17/0658

remaining completely or partially embedded in the cast material

E04G17/07

Tying means, the tensional elements of which are fastened or tensioned by means of wedge-shaped members

E04G17/0707

One-piece elements

E04G17/0714

fully recoverable

E04G17/0721

remaining completely or partially embedded in the cast material

E04G17/0728

the element consisting of several parts

E04G17/0735

fully recoverable

E04G17/0742

remaining completely or partially embedded in the cast material

E04G17/075

Tying means, the tensional elements of which are fastened or tensioned by other means

E04G17/0751

One-piece elements

E04G17/0752

fully recoverable

E04G17/0754

remaining completely or partially embedded in the cast material

E04G17/0755

the element consisting of several parts

E04G17/0757

fully recoverable

E04G17/0758

remaining completely or partially embedded in the cast material

E04G17/12

with arms engaging the forms

E04G17/14

Bracing or strutting arrangements for formwalls

Devices for aligning forms E04G25/00 takes precedence;

connecting and aligning E04G17/04

E04G17/16

Members, e.g. consoles, for attachment to the wall to support girders, beams, or the like carrying forms or moulds for floors, lintels, or transoms

E04G17/18

Devices for suspending or anchoring form elements to girders placed in ceilings, e.g. hangers

E04G19/00

Auxiliary treatment of forms, e.g. dismantling

Cleaning devices lubricating compositions C10M

E04G19/003

Arrangements for stabilising the forms or for moving the forms from one place to another lifting of articles in general B66C1/00

E04G19/006

Cleaning devices

E04G21/00

Preparing, conveying, or working-up building materials or building elements in situ

Other devices or measures for constructional work conveying in general B65G; lifting devices B66; working stone-like materials B28D; measuring instruments G01

E04G21/005

Mortar boards

E04G21/02

Conveying or working-up concrete or similar masses able to be heaped or cast in connection with finishing work E04F; construction and surfacing of floorings made of similar material to roads or pavements E01C; in connection with barrages E02B7/00; in connection with foundations E02D15/00; composition of concrete C04B; working concrete in general, e.g. mixing machines B28C

E04G21/025

Buckets specially adapted for use with concrete

E04G21/04

Devices for both conveying and distributing concrete pumps F04

E04G21/0409

with conveyor belts truck mixer with conveyor belts B28C5/4255

E04G21/0418

with distribution hose

E04G21/0427

on a static support, e.g. crane

E04G21/0436

on a mobile support, e.g. truck

E04G21/0445

with booms

E04G21/0454

with boom vibration damper mechanisms

E04G21/0463

with boom control mechanisms, e.g. to automate concrete distribution

E04G21/0472

Details of connection of the hose to the formwork, e.g. inlets

E04G21/0481

Concrete chutes

E04G2021/049

concrete mixing nozzles specially adapted for conveying devices

E04G21/06

Solidifying concrete, e.g. by application of vacuum before hardening devices for solidifying also soil E02D3/02; for road building E01C19/00;

for producing shaped articles B28B1/00

E04G21/061

by applying vacuum or vacuum combined with vibration

E04G21/063

making use of vibrating or jolting tools E04G21/08 takes precedence

E04G21/065

acting upon the shuttering

E04G21/066

acting upon the surface of the concrete, whether or not provided with parts penetrating the concrete

E04G21/068

acting upon the reinforcement

E04G21/08

Internal vibrators

, e.g. needle vibrators combined with vacuum E04G21/061

E04G21/10

Devices for levelling, e.g. templates or boards smoothing tools E04F21/16, E04F21/24

E04G21/12

Mounting of reinforcing inserts

Prestressing shell tubes for prestressing members E04C5/10; anchoring means E04C5/12; connections of reinforcing elements and spacers E04C5/16

E04G21/121

Construction of stressing jacks

E04G21/122

Machines for joining reinforcing bars

E04G21/123

Wire twisting tools bundling articles by twisting, e.g. wire B65B13/28; bundling rods, sticks, or like elongated objects with, e.g. wire B65B27/10; tying devices for hops, vines or trees with, e.g. wire A01G17/08

E04G21/125

Reinforcement continuity box

E04G21/126

for cable loops

E04G2021/127

Circular prestressing of, e.g. columns, tanks, domes

E04G2021/128

Prestressing each strand of a cable one by one to the same tension

E04G21/14

Conveying or assembling building elements roofing E04D; finishing work E04F

E04G21/142

Means in or on the elements for connecting same to handling apparatus E04B1/38 takes precedence

E04G21/145

specific for hollow plates

E04G21/147

specific for prefabricated masonry wall elements

E04G21/16

Tools or apparatus devices for erecting fences E04H17/26

E04G21/161

Handling units comprising at least considerable parts of two sides of a room or like enclosed space

E04G21/162

Handles to carry construction blocks load carriers B65G7/12

E04G21/163

Jacks specially adapted for working-up building elements jacks in general B66F3/00

E04G21/164

specially adapted for working-up chimneys

E04G21/165

specially adapted for in situ prefabricated building elements to be tilted up in position

E04G21/166

Landings, receiving platforms

E04G21/167

specially adapted for working-up plates, panels or slab shaped building elements

E04G21/168

used for tilting, e.g. from horizontal to vertical position or vice versa

E04G21/169

specially adapted for working-up reinforcement mats

E04G21/18

Adjusting tools

Templates

workshop marking tools B25H; for coverings or linings E04F21/18

E04G21/1808

Holders for bricklayers' lines, bricklayers' bars; Sloping braces cord-line chalkers B44D3/38

E04G21/1816

Adjustable positioning means between line-holder bars and construction

E04G21/1825

Line-holders without supporting bars

E04G21/1833

Line-holders for setting-out builders' work, e.g. foundations

E04G21/1841

Means for positioning building parts or elements strutting means for wall parts E04G21/26

E04G21/185

for anchoring elements or elements to be incorporated in the structure

E04G21/1858

Templates for window or door openings, e.g. in a masonry wall E04G15/02 takes precedence

E04G21/1866

for making arches

E04G21/1875

for making curved walls E04G11/06 takes precedence

E04G21/1883

Spacers, e.g. to have a constant spacing between courses of masonry

E04G21/1891

Cut-marking templates for rafters; Templates used for assembling building frameworks

E04G21/20

for applying mortar

E04G21/201

Trowels

E04G21/202

Hoses specially adapted therefor

E04G21/203

Prepared mortar strips, pouches or the like to be applied between masonry courses

E04G21/204

Mortar sledges

E04G21/205

with closable mortar opening

E04G21/206

Devices to apply thin-bed mortar joints

E04G21/207

Static templates for applying a predefined layer of mortar

E04G2021/208

on a vertical joint

E04G21/22

for setting building elements with mortar, e.g. bricklaying machines

E04G21/24

Safety or protective measures preventing damage to building parts or finishing work during construction as auxiliary structures for scaffolds E04G,

E04G5/12

E04G21/241

for temporarily closing door or window openings

E04G21/242

for temporarily covering the whole worksite, e.g. building, trench

E04G21/243

for creating a temporary partition in a closed room

E04G21/245

for temporarily protecting wall crowns

E04G21/246

specially adapted for curing concrete in situ, e.g. by covering it with protective sheets

E04G21/247

specific for protecting windows or doors leaves

E04G2021/248

Tarpaulins specially adapted therefor

E04G21/26

Strutting means for wall parts

Supports or the like, e.g. for holding in position prefabricated walls E04G25/00 takes precedence; on existing buildings E04G23/04

E04G21/28

against unfavourable weather influence

E04G21/30

against mechanical damage or dirt, e.g. guard covers of stairs

E04G21/32

Safety or protective measures for persons during the construction of buildings relating to scaffolds E04G5/00; climbing tools, e.g. climbing irons for masts A63B27/00; ropes or belts for life saving A62B1/16, A62B35/00

E04G21/3204

against falling down

E04G21/3209

Temporary tunnels specially adapted against falling objects

E04G21/3214

Means for working on roofs on flat roofs E04G21/3223

E04G21/3219

Means supported by the building wall, e.g. security consoles E04G5/06 takes precedence

E04G21/3223

Means supported by building floors or flat roofs, e.g. safety railings

E04G21/3228

Folding railings for flat roof edge, e.g. to hide the railings from view when not in use

E04G21/3233

without permanent provision in the floor or roof

E04G21/3238

using counterweights

E04G21/3242

using clamps

E04G21/3247

Storey high safety barrier hung from the facade and sliding up from level to level as work progresses

E04G21/3252

Protections, e.g. cover, caps, against impaling on starter reinforcement bars

E04G2021/3257

specific for floors made of prefabricated hollow plates

E04G21/3261

Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines jumping-sheets, jumping-mattresses A62B1/22

E04G21/3266

Safety nets

E04G21/3271

Safety mattresses

E04G21/3276

Arrangements on buildings for connecting safety-lines fastening devices for devices for lowering persons from buildings A62B1/04

E04G21/328

fastened to the roof covering or insulation

E04G21/3285

fastened to standing seams of the roof covering

E04G21/329

with measures for dampening the fall

E04G21/3295

Guide tracks for safety lines arrangements for bypassing safety track supports without life line disconnection A62B35/0087

E04G23/00

Working measures on existing buildings,

domestic cleaning of walls or floors A47L11/00; grinding floors or walls B24B7/18; removing of wall coverings B44C7/00; removing of paint from surfaces B44D3/16; electrochemical desalination or re-alkalisation C04B41/00

; on foundations E02D35/00, E02D37/00; in connection with insulations E04B; subsequent or finishing work E04F

In addition to the subject matter referred out in this group, subject matter relating to working measures on existing buildings which are analogous to those used in constructing new buildings, are classified in the appropriate construction groups.

E04G23/002

Arrangements for cleaning building facades

E04G23/004

with arrangements for collecting waste water or cleaning products

E04G23/006

Arrangements for removing of previously fixed floor coverings

E04G23/008

Working measures on existing vertical ducts, e.g. chimneys, garbage chutes

E04G23/02

Repairing, e.g. filling cracks

Restoring

Altering

Enlarging

compositions of filling material C04B; strengthening, widening, repairing of bridges E01D22/00; drying damp layers by temporary mechanical ventilation E04B1/7092

E04G23/0203

Arrangements for filling cracks or cavities in building constructions

E04G23/0207

in hollow structures, e.g. cavity walls

E04G23/0211

using injection

E04G23/0214

using covering strips

E04G23/0218

Increasing or restoring the load-bearing capacity of building construction elements E04G23/0203 and E04G23/0266 take precedence

E04G23/0222

Replacing or adding wall ties

E04G23/0225

of circular building elements, e.g. by circular bracing

E04G23/0229

of foundations or foundation walls

E04G23/0233

of vaulted or arched building elements

E04G23/0237

of storey floors

E04G23/024

of basement floors

E04G23/0244

of beams at places of holes, e.g. drilled in them

E04G2023/0248

of elements made of wood

E04G2023/0251

by using fiber reinforced plastic elements

E04G2023/0255

whereby the fiber reinforced plastic elements are stressed

E04G2023/0259

Devices specifically adapted to stress the fiber reinforced plastic elements

E04G2023/0262

Devices specifically adapted for anchoring the fiber reinforced plastic elements, e.g. to avoid peeling off

E04G23/0266

Enlarging

E04G23/027

Loft conversion by truss modification

E04G23/0274

Temporary shoring of wall opening

E04G23/0277

Repairing or restoring window or door frames door frames E06B1/00, window frames E06B3/00

E04G23/0281

Repairing or restoring roofing or roof covering roof covering E04D3/00

E04G23/0285

Repairing or restoring flooring flooring E04F15/00

E04G23/0288

Repairing or restoring floor slabs floors E04B5/00

E04G23/0292

Repairing or restoring balconies balcony structures E04B1/003

E04G23/0296

Repairing or restoring facades covering or linings, e.g. for walls E04F13/00

E04G23/04

Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action struts E04G25/00

E04G23/06

Separating, lifting, removing of buildings

Making a new sub-structure

E04G23/065

Lifting of buildings E04G21/163 takes precedence

E04G23/08

Wrecking of buildings of fences E04H17/26;

Demolition agents based on cementitious or like materials C04B41/0009

E04G23/081

using hydrodemolition

E04G23/082

using shears, breakers, jaws and the like metal-cutting or concrete-crushing implements mounted on backhoes E02F3/965

E04G23/083

using vaporising wire technique particular applications of blasting techniques F42D3/00

E04G23/084

using breaker balls or the like

E04G2023/085

crowbars specially adapted for wrecking wooden buildings

E04G2023/086

of tanks, reservoirs or the like

E04G2023/087

of chimneys, smoke stacks or the like

E04G2023/088

of window or door frames

E04G25/00

Shores or struts specially designed for use in mines E21D15/00

; E04G21/26, E04G23/04 take precedence

Chocks

E04G2025/003

Supports therefor, e.g. tripods

E04G2025/006

Heads therefor, e.g. pivotable

E04G25/02

non-telescopic

E04G25/04

telescopic

locking of telescopic systems in general F16B7/10

E04G2025/042

with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport

E04G2025/045

which telescoping action effected by a lever

E04G2025/047

which telescoping action effected by a piston

E04G25/06

with parts held together by positive means

E04G25/061

by pins

E04G25/063

with safety devices to avoid the accidental loss or unlocking of the pin, e.g. chains attaching the pin to the prop

E04G25/065

by a threaded nut

E04G25/066

by a wedge

E04G25/068

by a cam

E04G25/08

with parts held relatively to each other by friction or gripping

E04G27/00

Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps for scaffolds E04G5/10; gangways B63; lifts B66