CPC Definition - Subclass E04C
This place covers:
Structural elongated elements for buildings, prefabricated or not, as individual structural elements per se, e.g. pillars, columns, beams, girders, trusses;
Two-dimensional prefabricated building elements for the construction of parts of buildings, like sheets, slabs or panels, mainly for walls or partitions;
Apparatus for handling smaller elements or hardenable material for the realization of two-dimensional concrete or stone-like prefabricated elements;
Bricks or block shaped elements, but only if having special adaptations, like e.g. serving for locating conduits, or being transparent, or being built-up from parts of different materials;
Concrete reinforcements, of metal or other materials, e.g. rebars, stirrups, reinforcing grids or cages, reinforcing fibres, connectors and spacers for reinforcements
This place does not cover:
Compositions of concrete, mortars or like building materials | |
Structural elements for bridges | |
Building foundations | |
Structural elements specially designed for insulation or other protection | |
Building construction in general | |
Load-bearing walls made from panels | |
Load- and non-load-bearing walls made up of layers of building elements, e.g. brick walls; bricks or block shaped building elements for walls | |
Other load-bearing walls | E04B 2/56 - E04B 2/709 and E04B 2/84 - E04B 2/8664 |
Other non-load-bearing walls; Curtain walls | |
Floor structures | |
Roof structures | |
Suspended or false ceilings | |
Roof coverings | |
Finishing work on building, e.g. lining, covering, flooring | |
Panels for lining or finishing | |
Elements used as building aids, e.g. scaffolding, forms | |
Buildings or like structures for particular purposes, e.g. small temporary buildings, waiting shelters, telephone cabinets | |
Structural elements for mining | |
Structural elements for tunnels | |
Structural elements with broader range of application than for building engineering |
This place covers:
Bricks or block shaped elements for the construction of parts of buildings, but only if having special adaptations, like e.g. serving for locating conduits, or being made-up of different materials, e.g. stones with insulating inserts, or being made-up of transparent materials, e.g. glass bricks
This place does not cover:
Building elements of relatively thin form, e.g. panels | |
Structural elongated elements designed for load-supporting, e.g. beams, column or pillars |
Attention is drawn to the following places, which may be of interest for search:
Manufacture or material of building bricks, stones, or the like | |
Shaping clay or other ceramic composition, producing shaped articles of clay composition | |
Paving elements | |
General building constructions | |
Walls | |
Floor structures | |
Roof structures | |
Suspended ceilings | |
Roof coverings | |
Coverings for walls or ceilings | |
Floorings | |
Structural elements specially designed for built-in conduit shafts | |
Elements for buildings for particular purposes | |
Special elements for building ovens or furnaces |
Building elements of block or other shape are classified in E04C 1/00 - E04C 1/42 only if they are characterised by special adaptations, if they are build-up from parts of different materials or if they are made of glass or other translucent material; general building elements of block or brick shape for walls are classified in E04B 2/00; general building elements of block or other shape for floors, e.g. filling elements, are classified in E04B 5/00.
Attention is drawn to the following places, which may be of interest for search:
Walls having cavities in the building elements | |
Special adaptation of floors for incorporating ducts | |
Wall copings | |
Soffits coverings for roof cornices |
In this place, the following terms or expressions are used with the meaning indicated:
Claustra | Open-work wall |
This place covers:
Building elements of block or other shape having openings or adaptations of relatively large section for ventilating, heating or cooling.
Attention is drawn to the following places, which may be of interest for search:
Building elements of block or other shape having openings or adaptations of relatively small section for locating conduits | |
Domestic or space heating systems | |
Air conditioning | |
Ventilation in general |
This place does not cover:
Pots for vertical horticulture |
Attention is drawn to the following places, which may be of interest for search:
Sound barriers | |
Retaining or protecting walls, made up of similar modular elements stacked without mortar | |
Fences |
This place covers:
Building elements of block or other shape having openings or adaptations of relatively small section for locating conduits
Attention is drawn to the following places, which may be of interest for search:
Building elements of block or other shape having openings or adaptations of relatively large section for ventilating, heating or cooling. |
This place does not cover:
Slab-like translucent elements made of glass bricks |
This place covers:
Two-dimensional prefabricated building elements for the construction of parts of buildings, i.e. building elements in which one dimension is small in comparison to the other two, like e.g. sheets, slabs or panels, mainly used for walls or partitions
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Manufacture by dry processes of articles, made from particles or fibres of wood | |
Shaping clay or other ceramic composition, producing shaped articles of clay composition | |
Manufacture of articles from cellulosic fibrous suspension | |
Building elements of relatively thin form specially designed for insulation or other protection | |
Roof consisting of self-supporting slabs | |
Slabs or panels for suspended ceilings | |
Building elements for lining or finishing |
For the materials or the manufacture, see the relevant subclasses.
Classify in E04C 2/00 - E04C 2002/3494 all additional information
Attention is drawn to the following places, which may be of interest for search:
Bricklaying machines in general |
Attention is drawn to the following places, which may be of interest for search:
Building sheets, slabs or panels made of an insulating material on plaster basis, like foamed plaster | |
Furniture panels with a continuous layer allowing folding | |
Folding plates or sheets by forming folding lines and folding | |
Panels for suspended ceilings |
Attention is drawn to the following places, which may be of interest for search:
Building sheets, slabs or panels made of an insulating material on concrete basis, like cellular concrete | |
Walls made by projecting concrete to the exterior of an insulating foam panel |
This place covers:
Building sheets, slabs or panels made of concrete or other stone-like materials and reinforcing elements, e.g. slabs of concrete with reinforcing rods
Attention is drawn to the following places, which may be of interest for search:
Reinforcing elements, e.g. for concrete |
This place does not cover:
Building sheets, slabs or panels made of hydraulic cement and mineral fibres | |
Building sheets, slabs or panels made of foamed concrete or other stone-like products | |
Building sheets, slabs or panels composed of materials covered by two or more of groups E04C 2/04, E04C 2/08, E04C 2/10, or of materials covered by one of these groups with a material not specified in one of these groups |
This place covers:
Building sheets, slabs or panels substantially made of solid wood, with or without reinforcements
This place does not cover:
This place covers:
Building sheets, slabs or panels composed of organic or inorganic fibres, organic or inorganic chips, vegetable stems, or the like, with or without additional glue or adhesive
This place does not cover:
Building sheets, slabs or panels made of hydraulic cement and mineral fibres |
This place covers:
Building sheets, slabs or panels made of plastics and comprising reinforcing elements such as fibres, rods
Attention is drawn to the following places, which may be of interest for search:
Building sheets, slabs or panels made of foamed plastics | |
Reinforcing elements, e.g. for concrete |
This place covers:
This place does not cover:
Building sheets, slabs or panels made of hydraulic cement and mineral fibres |
Attention is drawn to the following places, which may be of interest for search:
Layered products |
Sandwich panels composed of layers of insulating material alternated with layers of concrete are classified in E04C 2/288.
This place does not cover:
Building sheets, slabs or panels composed of insulating material and concrete, stone or stone-like material |
Attention is drawn to the following places, which may be of interest for search:
Fibrous panels characterised by the orientation of the fibres |
Attention is drawn to the following places, which may be of interest for search:
Corrugated sheet-like material having one as well as a plurality of layers is classified in E04C 2/32
This place covers:
Sheet-like material with parallel corrugations, e.g. with parallel undulated corrugations
This place does not cover:
Building elements of relatively thin form with corrugations, incisions or reliefs in more than one direction of the element |
This place covers:
Sheet-like material with corrugations, incisions or reliefs in more than one direction of the element, e.g. egg-crate reliefs
This place covers:
Sheet-like elements composed of two or more spaced sheet-like parts, e.g. sandwich panels
Attention is drawn to the following places, which may be of interest for search:
Panels composed of insulating material and concrete | |
Building elements of relatively thin form formed of corrugated or otherwise indented sheet-material | |
Spacers for cavity walls | |
Roofing slabs comprising two or more layers |
This place covers:
Sheet-like elements composed of two or more spaced sheet-like parts, spaced apart by profiled spacer sheets, like e.g. corrugated cardboard
Attention is drawn to the following places, which may be of interest for search:
Honeycomb or other core members for layered products |
This place covers:
Building sheets, slabs or panels having attached ribs, flanges, or the like, e.g. framed panels and panels with upstanding edges around their borders
Details of connection to other panels or elements to form a structure are classified in the groups of the relevant structure, e.g. E04B 2/00 for wall structures
In this place, the following terms or expressions are used with the meaning indicated:
Framed panel | Panel having a frame around its borders |
This place covers:
Building sheets, slabs or panels, composed of a number of smaller components rigidly or movably connected together, e.g. foldable garage doors
This place does not cover:
Building sheets, slabs or panels, composed of a number of smaller components rigidly connected together, of concrete or other stone-like material, of asbestos cement, of cement and other mineral fibres |
This place does not cover:
Reinforcing grids or mats of metal | |
Non-metallic reinforcing mats | |
Grids for ceilings | |
Built-in gratings | |
Gratings or grilles made from a sheet | |
Gratings in general |
Attention is drawn to the following places, which may be of interest for search:
Grids, gratings for stable floors | |
Making metal grids | |
Circumferential gutters for swimming-pools |
This place does not cover:
Slab-like translucent elements |
Attention is drawn to the following places, which may be of interest for search:
Ventilation in general |
Attention is drawn to the following places, which may be of interest for search:
Solar heat collectors | |
Heat storage |
This place covers:
Translucent hollow slab-like elements having a cross-section which is internally subdivided by walls, e.g. a translucent polyurethane roofing slab which cross section is internally subdivided by, in use, horizontal and vertical walls
Attention is drawn to the following places, which may be of interest for search:
Greenhouse of flexible material with double or multiple walls | |
Extrusion dies for extruding multi-channel profiles | |
Translucent roof covering made with elements having special cross-sections |
This place covers:
Structural elongated elements designed for permanent load-supporting in buildings, e.g. building beams and columns
This place does not cover:
Structural elongated elements for bridges | |
Piles for foundations | |
Non-load supporting elongated members for partition walls | |
Non-load supporting elongated elements for suspended ceilings | |
Structural elongated elements designed as building aids | |
Structural elongated elements for masts, towers, poles | |
Structural elongated elements for tents | |
Structural elongated elements for mining, tunnels |
Attention is drawn to the following places, which may be of interest for search:
Structural elongated elements for railways or railway vehicles, for land vehicles, for ships, for aircrafts | |
Structural elongated elements for hoisting devices, e.g. cranes | |
Structures comprising elongated load-supporting parts; three-dimensional framework structures | |
Connections of bar shaped building elements; for metal bars; for wooden bars |
Classify in E04C 3/00 - E04C 2003/0495 all additional information
Attention is drawn to the following places, which may be of interest for search:
Structures characterised by movable, separable, or collapsible parts | |
Locating rails for walls, with adjustable curvature | |
Extensible girders as supporting members for forms; telescopic | |
Telescopic shores or struts | |
Telescopic grandstands; foldable, retractable tribunes | |
Telescopic poles | |
Inflatable tubular frameworks for tents | |
Collapsible frames for tents; telescopic | |
Extensible carriers for electric cables |
In this place, the following terms or expressions are used with the meaning indicated:
Girders or columns that are rollable | Girders or columns that are coilable or windable |
This place does not cover:
Arched girders or portal frames | |
Roof structures having braced purlins |
Attention is drawn to the following places, which may be of interest for search:
Cross-sectional aspects of beams, girders and joists made of metal | |
Reinforcing elements consisting of light-weight girders as reinforcing elements, e.g. light-weight girders for floors construction | |
Girders for cranes | |
Structures characterised by movable, separable, or collapsible parts | |
Connections of bar shaped building elements | |
Constructional features of the supporting construction of suspended-ceilings, e.g. inverted T-bars | |
Girders for shutterings |
Structures characterised by movable, separable, or collapsible parts should be classified in E04B 1/343; when these structures have elongated structural elements presenting inventive aspects they can also be classified in E04C 3/02 or its sub-groups.
In this place, the following terms or expressions are used with the meaning indicated:
Joist | Horizontal supporting member that runs from wall to wall, wall to beam, or beam to beam to support a ceiling, a roof or a floor. |
Girder | Support beam used in construction, e.g. an I-shaped girder, a box-shaped girder, a truss- or lattice-girder. |
Truss | Elongated structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred as nodes. |
Lintel | Load-bearing elongated element located in use over door or window openings. |
Transom | A bar of wood or stone across the top of a door or window opening |
Brace | A structural elongated element serving as connecting/reinforcing element between structural elements, e.g. braces between wooden joists in a floor structure |
This place does not cover:
Joists, girders or trusses built-up from parts of different material |
Attention is drawn to the following places, which may be of interest for search:
Cross-sectional aspects of beams, girders and joists made of metal | |
Metallic girder or trusses used as reinforcing elements | |
Manufacture of metallic elongated elements; Rolling of metal | |
Structures of metal for towers, masts or poles |
Metallic girders or trusses used as reinforcing elements should be classified in E04C 3/04 and its sub-groups only if they have some inventive aspects and can be used as load-supporting elements per se.
This place does not cover:
Honeycomb metallic beams, i.e. castellated beams; metallic beams with apertured solid web | |
Metallic joists, girders and trusses with non-parallel upper and lower edges |
Attention is drawn to the following places, which may be of interest for search:
Cross-sectional aspects of beams, girders and joists made of metal | |
Prestressed metallic joists, girders and trusses |
Metallic girders having a web constituted by a series of unapertured webs having a spacing between them, i.e. like a rake, are classified in E04C 3/06 and in E04C 3/083.
In this place, the following terms or expressions are used with the meaning indicated:
web | The "vertical" element of the beam connected to the flange(s); the beam can either be an I-, T-,C- or a box beam; in case of an H or U-beam the web is considered to be the "horizontal" element (in analogy with I- and C-beams.) |
This place covers:
Metallic girders or beams having a non-apertured web and made at least partially of deformed strip- or sheet-like material, e.g. by cold rolling
Attention is drawn to the following places, which may be of interest for search:
Lintels | |
Braces | |
Cross-sectional aspects of beams, girders and joists made of metal | |
Metallic girders or beams made of bent or otherwise deformed strip- or sheet-like material, and having an apertured web | |
Bending of sheet metal | |
Wall partitions with framework or posts of metal | |
Supporting beams for a suspended ceiling having a folded cross-section |
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Metallic truss-like structures composed of separate truss elements | |
Prestressed metallic joists, girders and trusses | |
Reinforcing elements consisting of metallic light-weight girders, e.g. light-weight girders for floor construction | |
Truss-type bridges | |
Three-dimensional frameworks | |
Connections specially adapted for structures comprising elongated supporting parts of metal | |
Metallic truss-like structures for masts, towers, poles |
This place covers:
Honeycomb metallic girders, i.e. castellated metallic girders; Metallic girders with apertured solid web, i.e. metallic girders in which apertures have been made in the solid web.
This place does not cover:
Metallic girders or beams made of bent or otherwise deformed strip- or sheet-like material, and having an apertured web |
Attention is drawn to the following places, which may be of interest for search:
Making rigid structural elements or units, e.g. honeycomb structures |
Metallic girders having a web constituted by a series of unapertured webs having a spacing between them, i.e. like a rake, are classified in E04C 3/06 and in E04C 3/083.
Honeycomb girder | Castellated girder |
This place covers:
Metallic girders or beams made of at least partially deformed strip- or sheet-like material, and having an apertured web, e.g. made by an expanded metal sheet or made by cutting holes in the solid web.
Attention is drawn to the following places, which may be of interest for search:
Metallic girders or beams made of at least partially deformed strip- or sheet-like material, and having a substantially unapertured web | |
Bending of sheet metal | |
Wall partitions with framework or posts of metal | |
Supporting beams for a suspended ceiling having a folded cross-section |
This place does not cover:
Metallic arched girders, portal frames |
Attention is drawn to the following places, which may be of interest for search:
Connections specially adapted for structures comprising elongated supporting parts of metal | |
Roofs consisting of a plurality of parallel similar trusses |
This place does not cover:
Joists, girders or trusses made of wood and metal |
This place does not cover:
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
Joists, girders or trusses made of wood with metal or other reinforcements or tensioning members | |
Three-dimensional framework structures | |
Connections specially adapted for structures comprising elongated supporting parts of wood | |
Wooden truss-like structures for masts, towers and poles |
This place does not cover:
Wooden arched girders, portal frames |
Attention is drawn to the following places, which may be of interest for search:
Wood working | |
Connections specially adapted for structures comprising elongated supporting parts of wood | |
Roof consisting of a plurality of parallel similar trusses |
Attention is drawn to the following places, which may be of interest for search:
Reinforced panels of solid wood | |
Joists, girders or trusses made of wood and metal | |
Members specially adapted to be used in prestressed constructions |
Attention is drawn to the following places, which may be of interest for search:
Reinforcing elements of material other than metal |
Attention is drawn to the following places, which may be of interest for search:
Joists, girders or trusses built-up from parts of steel and parts of concrete | |
Reinforcing elements |
Attention is drawn to the following places, which may be of interest for search:
Prestressed joints, girders or trusses made of concrete or other stone-like material |
This place covers:
Concrete beams built-up by elements jointed in-line, e.g. made up of stacked elements
Attention is drawn to the following places, which may be of interest for search:
Prestressed joints, girders or trusses made of concrete or other stone-like material |
This place does not cover:
Joists, girders or trusses made of concrete or other stone-like material, and built-up by elements jointed in line |
Attention is drawn to the following places, which may be of interest for search:
Joists, girders or trusses built-up from parts of steel and parts of concrete | |
Members specially adapted to be used in prestressed constructions |
This place covers:
Joists, girders or trusses made of specified materials other than metal, wood. concrete or stone-like materials, e.g. joists made of glass or plastics
Attention is drawn to the following places, which may be of interest for search:
Joists, girders or trusses built-up from parts of different materials, e.g. laminated from parts of different materials | |
Producing beams of plastics |
This place covers:
Joists, girders or trusses built-up from parts of specified different materials, e.g. built-up from laminated parts of different materials, or from assembled parts of different materials
Attention is drawn to the following places, which may be of interest for search:
Shaping composites | |
Producing beams of plastics | |
Layered products | |
Superstructures of vehicles characterised by the materials |
Wooden or concrete beams having reinforcements should primarily be classified in E04C 3/18, E04C 3/185 respectively E04C 3/20-E04C 3/26; when the reinforcements represent a substantial part of the cross-section of the beam, or are themselves constituting a beam, the composite wooden or concrete beams with these reinforcing elements can also be classified in E04C 3/29
In this place, the following terms or expressions are used with the meaning indicated:
Composite structure | Composite structure refers to the structure of the assembly of the different parts, not to the material |
This place does not cover:
Wooden joists, girders or trusses with metal reinforcements or tensioning members |
This place covers:
Girders or trusses built-up from a concrete element and a steel girder-like structure extending laterally outside the concrete element
This place does not cover:
Light weight girders with concrete precast parts, used as reinforcement | |
Metallic beams forming part of a floor structure, and extending below the floor |
This place does not cover:
Structural elongated elements not designed for end loading | |
Elongated supporting members for partition walls | |
Structural elongated elements designed as building aids | |
Posts, masts as independent structures | |
Structural elongated elements for tents | |
Poles for tents |
Attention is drawn to the following places, which may be of interest for search:
Coverings or linings for columns |
Attention is drawn to the following places, which may be of interest for search:
Girders made of metal | |
Cross-sectional aspects of beams, girders and joists made of metal |
Always classify in E04C 3/32 columns or pillars in which at least a bearing part of the column or pillar is made of metal, with the exception of concrete rebars
Attention is drawn to the following places, which may be of interest for search:
Closed reinforcement cages composed of one single bent reinforcement mat | |
Closed reinforcement cages with spiral- or coil-shaped stirrup rod |
Always classify in E04C 3/34 columns or pillars in which at least a bearing part of the column or pillar is made of concrete or stone-like material
This place covers:
Columns, pillars or struts made of specified materials other than metal or concrete or stone-like materials, e.g. wood, glass, plastics
Attention is drawn to the following places, which may be of interest for search:
This place does not cover:
Straight girders able to be bent | |
Inflatable girders or portal frames |
Attention is drawn to the following places, which may be of interest for search:
Gantries or semi-gantries, a.k.a. road sign holders | |
Arched structures | |
Vaulted roofs | |
Arched-type supports for tents |
Attention is drawn to the following places, which may be of interest for search:
Metallic girders | |
Cross-sectional aspects of beams, girders and joists made of metal | |
Metallic trusses | |
Mechanical metal-working | |
Connections specially adapted for structures comprising elongated supporting parts of metal |
Always classify in E04C 3/40 if a bearing part of the arched girder or portal frame is made of metal
Attention is drawn to the following places, which may be of interest for search:
Wooden girders | |
Wooden trusses | |
Working of wood | |
Connections specially adapted for structures comprising elongated supporting parts of wood |
Always classify in E04C 3/42 if a bearing part of the arched girder or portal frame is made of wood
Attention is drawn to the following places, which may be of interest for search:
Reinforcing elements |
Always classify in E04C 3/44 if a bearing part of the arched girder or portal frame is made of concrete or other stone-like material
This place covers:
Arched girders or portal frames made of specified materials other than metal, wood, concrete or stone-like material, e.g. of glass, plastics
Attention is drawn to the following places, which may be of interest for search:
This place covers:
Reinforcing elements, metallic and non-metallic, in particular for concrete;
Auxiliary elements for reinforcements, e.g. connectors, spacers;
Arrangements of reinforcing elements, e.g. stirrup baskets
This place does not cover:
Methods or devices for making metallic reinforcing materials |
This place does not cover:
Members specially adapted to be used in prestressed constructions |
This place covers:
Discrete reinforcing elements of metal, i.e. suitable to be mixed with the concrete before pouring, e.g. metal fibres
Attention is drawn to the following places, which may be of interest for search:
Filler material of fibre shape for concrete |
Discrete reinforcing elements of metal with a well-defined shape other than granular are classified in E04C 5/012 ; discrete elements of metal of granular shape or the shape of which is not defined are considered filler elements and are only classified in C04B
This place covers:
Reinforcing elements of metal including anti-corrosion coatings or treating compositions or in-situ anti-corrosion treatments, e.g. cathodic protection
This place does not cover:
Coating of discrete metallic reinforcing elements, e.g. coating of metallic fibres |
Attention is drawn to the following places, which may be of interest for search:
Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger |
Attention is drawn to the following places, which may be of interest for search:
Mortars containing hydraulic cement | |
Coating compositions based on cement |
This place does not cover:
Anchoring devices specially adapted for balconies |
Attention is drawn to the following places, which may be of interest for search:
Masonry wall-ties, e.g. anchors | |
Reinforcing elements for brick walls, inserted between brick layers |
Attention is drawn to the following places, which may be of interest for search:
Rolling or cold-forming of concrete metallic reinforcement bars | |
Bending of reinforcing metallic rods for concrete |
This place covers:
Metallic reinforcing mats
This place does not cover:
Metallic reinforcing mats combined with reinforcing elements protruding out of the plane of the mat | |
Three-dimensional metallic reinforcing mats | |
Bases for plaster |
Attention is drawn to the following places, which may be of interest for search:
Making metallic wire nets |
This place does not cover:
Anchorage devices specially adapted for balconies | |
Supporting devices for connector reinforcing rods for concrete walls, e.g. reinforcement connection boxes |
Loose closed stirrups suitable to make prismatic or cylindrical reinforcement cages are classified in E04C 5/0604.
Loose open stirrups suitable to make stirrup baskets are classified in E04C 5/0622.
This place does not cover:
Reinforcing mats combined with separate prefabricated reinforcement cages or girders |
Attention is drawn to the following places, which may be of interest for search:
Making wire network of tubular form, e.g. as reinforcement for pipes or pillars | |
Making wire network of tubular form by attaching individual stirrups to longitudinal wires |
Loose closed stirrups suitable to make prismatic or cylindrical reinforcement cages are classified in E04C 5/0604.
In this place, the following terms or expressions are used with the meaning indicated:
open stirrup rod | Rebar bent in an open loop |
closed stirrup rod | Rebar bent in a closed loop |
Attention is drawn to the following places, which may be of interest for search:
Making wire network of tubular form by bending preformed mesh |
Attention is drawn to the following places, which may be of interest for search:
Making wire network of tubular form by bending preformed mesh |
Attention is drawn to the following places, which may be of interest for search:
Columns or pillars made of concrete | |
Making wire network of tubular form by attaching continuous stirrup to longitudinal wires, by rotation | |
Prefabricated foundation piles of reinforced concrete | |
Concrete foundation piles cast in situ |
This place does not cover:
Closed cages composed of two or more co-acting cage parts |
Loose stirrups suitable to make stirrup baskets are classified in E04C 5/0622.
In this place, the following terms or expressions are used with the meaning indicated:
stirrup basket | a substantially U-shaped channel like basket made of a series of parallel open stirrups positioned one after the other and linked by at least one longitudinal rebar |
Attention is drawn to the following places, which may be of interest for search:
Shear reinforcements | |
Making of plaster-carrying wire network |
This place does not cover:
Three-dimensional reinforcing mats composed of two parallel mats connected by separate connecting parts |
E04C 5/064 takes precedence
In this place, the following terms or expressions are used with the meaning indicated:
girder | a light-weight metallic girder that can also be used as concrete reinforcement |
Attention is drawn to the following places, which may be of interest for search:
Shear reinforcements |
In this place, the following terms or expressions are used with the meaning indicated:
separate reinforcing parts | parts that are not connected to the reinforcing elements before being connected to them |
Attention is drawn to the following places, which may be of interest for search:
Making wire networks of three-dimensional form by connecting wire networks |
This place covers:
Metallic reinforcements specially adapted for shear reinforcement, e.g. shearheads for floor slabs, shear baskets, shear spiral reinforcements, shear studs,
Attention is drawn to the following places, which may be of interest for search:
Floor structures of extraordinary design |
This place covers:
Light-weight girders, e.g. with precast concrete, like the pre-fabricated light-weight girders for floor construction
Attention is drawn to the following places, which may be of interest for search:
Metallic girders with apertured web | |
Girders made of concrete combined with a girder-like structure extending laterally outside the element |
This place does not cover:
Metal elements with non-structural coatings | |
Anchoring devices specially adapted for balconies |
Attention is drawn to the following places, which may be of interest for search:
Reinforcing elements for brick walls, inserted between brick layers | |
Increasing or restoring the load-bearing capacity of building construction elements |
This place covers:
Non entirely metallic discrete reinforcing elements, i.e. suitable to be mixed with the concrete before pouring, e.g. glass or carbon fibres
Attention is drawn to the following places, which may be of interest for search:
Filler material of fibre shape for concrete |
Non entirely metallic discrete reinforcing elements with a well-defined shape other than granular are classified in E04C 5/073 ; non entirely metallic discrete elements of granular shape or the shape of which is not defined are considered filler elements and are only classified in C04B
This place covers:
Members specially adapted to be used in prestressed constructions, e.g. prestressing tendons and cables, ducts, anchoring devices.
This place does not cover:
Tensioning of moulded or shaped articles, at the factory | |
Tools or methods for in situ tensioning |
Attention is drawn to the following places, which may be of interest for search:
Anchors; Connections of cables to bridge parts | |
Suspension cables for bridges | |
Increasing or restoring the load-bearing capacity of building construction elements |
Attention is drawn to the following places, which may be of interest for search:
Rigid pipes wound from sheets or strips of metal |
This place does not cover:
Tools or methods for tensioning in situ |
Attention is drawn to the following places, which may be of interest for search:
Construction of stressing jacks |
Attention is drawn to the following places, which may be of interest for search:
Coaxial connection of reinforcement bars by means of sleeves | |
Making helical shapes on metallic bodies | |
Ground anchors | |
Anchoring bolts for galleries |
This place covers:
Auxiliary parts for reinforcements, e.g. connectors and spacers
This place does not cover:
Tools for connecting reinforcing elements | |
Supporting devices for connector reinforcing rods for concrete walls, e.g. reinforcement connection boxes |
Attention is drawn to the following places, which may be of interest for search:
Connecting stirrup baskets |
Loose closed stirrups suitable to make prismatic or cylindrical reinforcement cages are classified in E04C 5/0604.
Loose open stirrups suitable to make stirrup baskets are classified in E04C 5/0622.
This place does not cover:
Machines for joining reinforcing bars |
Attention is drawn to the following places, which may be of interest for search:
Spacers connecting parts for reinforcement and spacing the reinforcements from the form |
This place covers:
Connectors connecting reinforcements running in one single direction, either coaxially or only parallel to one another
Attention is drawn to the following places, which may be of interest for search:
Connections wire to wire by soldering or welding with additional connecting elements or material | |
Making helical shapes on metallic bodies | |
Connections using screw-thread elements for coaxial connections of two rods |
Attention is drawn to the following places, which may be of interest for search:
Machines for joining reinforcing bars |
This place covers:
Connection by means of clips or other resilient material of reinforcements running in different directions
Attention is drawn to the following places, which may be of interest for search:
Clamping or clipping connections for rods forming a crossed-over connection |
This place covers:
Spacers connecting parts for reinforcement together, and spacing the reinforcements from the form
This place covers:
Metallic or substantially metallic spacers spacing the reinforcements from the form or spacing the reinforcements from one another, e.g. spacers between two reinforcing grids (upper and lower) in a floor structure
This place does not cover:
Spacers connecting parts for reinforcements and spacing the reinforcements from the form |
This place covers:
Spacers of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires, spacing the reinforcements from the form or spacing the reinforcements from one another, e.g. spacers between two reinforcing grids (upper and lower) in a floor structure
This place does not cover:
Spacers connecting parts for reinforcements and spacing the reinforcements from the form |