Structural elongated elements designed for load-supporting (as building aids E 04 G)
3
/
02
•
Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms (E 04 C 3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E 04 B 1/343)
the materials being steel and concrete (concrete with internal reinforcements or tensioning members E 04 C 3/20)
3
/
294
•
•
•
•
of concrete combined with a girder-like structure extending laterally outside the element (light-weight girders used as reinforcement E 04 C 5/065; as part of a floor structure E 04 B 5/23)
3
/
30
•
Columns; Pillars; Struts (not designed for end loading E 04 C 3/02; posts, masts, as independent structures E 04 H 12/00)
of concrete or other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings (E 04 C 3/36 takes precedence)
3
/
36
•
•
of other materials
3
/
38
•
Arched girders or portal frames (straight girders able to be bent E 04 C 3/02; inflatable tents or canopies, in general E 04 H 15/20)
of wood, e.g. units for rafter roofs (E 04 C 3/46 takes precedence)
3
/
44
•
•
of concrete or other stone-like material, e.g. with reinforcements or tensioning members (E 04 C 3/46 takes precedence)
3
/
46
•
•
of other materials
5
/
00
Reinforcing elements, e.g. for concrete; Auxiliary elements therefor (material composition C 21, C 22; arrangements of reinforcing elements, see the relevant classes)
5
/
01
•
Reinforcing elements of metal, e.g. with non-structural coatings [5]
5
/
02
•
•
of low bending resistance, i.e. of essentially one-or two-dimensional extent
5
/
03
•
•
•
with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
5
/
065
•
•
•
Light-weight girders, e.g. with precast parts (light-weight girders in general E 04 C 3/08, E 04 C 3/294)
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 E 04 C 5/01) [5]
5
/
08
•
Members specially adapted to be used in prestressed constructions
5
/
10
•
•
Ducts
5
/
12
•
Anchoring devices (tools or methods for tensioning E 04 G 21/12) [5]
5
/
16
•
Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups (tools for connecting reinforcing elements E 04 G 21/12)
5
/
18
•
•
of metal or substantially of metal
5
/
20
•
•
of other material than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
