E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E04
BUILDING (layered materials, layered products in general B32B)
 E04C
STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S)
P:20 E04C 1/00
Building elements of block or other shape for the construction of parts of buildings (of relatively thin form E04C 2/00; structural elongated elements designed for load-supporting E04C 3/00, e.g. columns or pillars E04C 3/30; manufacture or material of building bricks, stones, or the like B28, C03, C04; paving elements E01C; general building constructions E04B, e.g. walls E04B 2/00, floors E04B 5/00, roofs E04B 7/00, ceilings E04B 9/00; structural elements specially designed for built-in conduit shafts E04F; special elements for building ovens or furnaces F24B, F27D)  [5]
P:10 E04C 2/00
Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (materials or manufacture, see the relevant places, e.g. B27N, B29, D21J; made in situ E04B; specially designed for insulation or other protection E04B 1/62; load-carrying floor structures E04B 5/02, E04B 5/16; roofs consisting of self-supporting slabs E04B 7/00; roof- or like covering elements E04D 3/00; for lining or finishing E04F 13/00)
 E04C 2/02
·  characterised by specified materials (translucent E04C 2/54)
 E04C 2/04
·  ·  of concrete or other stone-like material; of asbestos cement (E04C 2/26 takes precedence; material or manufacture B28, C04)
 E04C 2/06
·  ·  ·  reinforced
 E04C 2/08
·  ·  of metal, e.g. sheet metal (E04C 2/26 takes precedence)
 E04C 2/10
·  ·  of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products (E04C 2/26 takes precedence)
 E04C 2/26
·  ·  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
 E04C 2/30
·  characterised by the shape or structure (translucent E04C 2/54)
 E04C 2/32
·  ·  formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
 E04C 2/34
·  ·  composed of two or more spaced sheet-like parts (E04C 2/32 takes precedence; spacers for cavity walls E04B 2/42)
 E04C 2/38
·  ·  with attached ribs, flanges, or the like, e.g. framed panels (concerned with attaching to other panels or elements to form a structure, see the places for the relevant structure, e.g. E04B 2/00)
 E04C 2/40
·  ·  composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected
 E04C 2/52
·  ·  with special adaptations for auxiliary purposes, e.g. serving for locating conduits (E04C 2/54 takes precedence; block-shaped elements therefor E04C 1/00; floor structures incorporating ducts E04B 5/48)
 E04C 2/54
·  Slab-like translucent elements (floors for transmitting light E04B 5/46; translucent or open-work ceilings E04B 9/00; translucent roof coverings E04D 3/02, E04D 3/24)
P:0 E04C 3/00
Structural elongated elements designed for load-supporting (as building aids E04G)
 E04C 3/02
·  Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms (E04C 3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B 1/343)
 E04C 3/04
·  ·  of metal (E04C 3/29 takes precedence; as reinforcing elements E04C 5/01; manufacture B21)
 E04C 3/12
·  ·  of wood, e.g. with reinforcements, with tensioning members (E04C 3/29 takes precedence)
 E04C 3/20
·  ·  of concrete or other stone-like material, e.g. with reinforcements or tensioning members (reinforcing elements E04C 5/00)
 E04C 3/29
·  ·  built-up from parts of different materials (concrete with internal reinforcements or tensioning members E04C 3/20)
 E04C 3/30
·  Columns; Pillars; Struts (not designed for end loading E04C 3/02; posts, masts, as independent structures E04H 12/00)
 E04C 3/38
·  Arched girders or portal frames (straight girders able to be bent E04C 3/02; inflatable tents or canopies, in general E04H 15/20)
P:30 E04C 5/00
Reinforcing elements, e.g. for concrete; Auxiliary elements therefor (material composition C21, C22; arrangements of reinforcing elements, see the relevant classes)
 E04C 5/01
·  Reinforcing elements of metal, e.g. with non-structural coatings  [5]
 E04C 5/07
·  Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal (metal elements with non-structural coatings E04C 5/01)  [5]
 E04C 5/12
·  Anchoring devices (tools or methods for tensioning E04G 21/12)  [5]
 E04C 5/16
·  Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups (tools for connecting reinforcing elements E04G 21/12)
 E04C 5/18
·  ·  of metal or substantially of metal
 E04C 5/20
·  ·  of other material than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires