(0)E04B:2/3:
IPC6
SECTION E - FIXED CONSTRUCTIONS
GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS;...
E04B
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/ 00 Floors; Floor construction with regard to insulation; Connections specially adapted therefor (elements for floors, e.g. bricks, stones, filling bodies, girders, E 04 C; flooring as finishing work, insulation of flooring, sectional false floors, e.g. for computers, E 04 F 15/00) [5]

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/ 02 • Load-carrying floor structures formed substantially of prefabricated units (E 04 B 5/43 to E 04 B 5/48 take precedence)  

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/ 04 • • with beams of concrete or other stone-like material, e.g. asbestos cement (E 04 B 5/08, E 04 B 5/14 take precedence)  

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/ 06 • • • placed against one another  

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/ 08 • • assembled of block-shaped elements, e.g. hollow stones (E 04 B 5/14 takes precedence; floors composed of reinforced brickwork E 04 B 5/44)  

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/ 10 • • with metal beams or girders, e.g. with steel lattice girders (E 04 B 5/14 takes precedence)  

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/ 12 • • with wooden beams (E 04 B 5/14 takes precedence)  

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/ 14 • • with beams or girders laid in two directions  

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/ 16 • Load-carrying floor structures wholly or partly cast or similarly formed in situ (E 04 B 5/43 to E 04 B 5/48 take precedence; floors merely characterised by the prefabricated elements E 04 C)  

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/ 17 • • Floor structures partly formed in situ  

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/ 18 • • • with stiffening ribs or other beam-like formations wholly cast between filling members  

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/ 19 • • • • the filling members acting as self-supporting permanent forms (E 04 B 5/21 takes precedence)  

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/ 21 • • • • Cross-ribbed floors  

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/ 23 • • • with stiffening ribs or other beam-like formations wholly or partly prefabricated (with all load-carrying parts substantially consisting of prefabricated units E 04 B 5/02)  

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/ 26 • • • • with filling members between the beams (E 04 B 5/28 takes precedence)  

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/ 28 • • • • Cross-ribbed floors  

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/ 29 • • • • the prefabricated parts of the beams consisting wholly of metal (E 04 B 5/28 takes precedence)  

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/ 32 • • Floor structures wholly cast in situ with or without form units or reinforcements  

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/ 36 • • • with form units as part of the floor  

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/ 38 • • • • with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element  

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/ 40 • • • • • with metal form slabs  

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/ 43 • Floor structures of extraordinary design; Features relating to the elastic stability; Floor structures specially designed for resting on columns only, e.g. mushroom floors (extraordinary constructions in general E 04 B 1/34)  

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/ 44 • Floors composed of stones, mortar, and reinforcing elements (with inserts of glass E 04 B 5/46)  

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/ 46 • Special adaptation of floors for transmission of light, e.g. by inserts of glass (of ceilings E 04 B 9/32; block- shaped elements E 04 C 1/42; slab- or sheet-shaped elements E 04 C 2/54; for roof covering E 04 D 3/06) [5]  

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/ 48 • Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating (in block-shaped elements E 04 C 1/39; in slab- or sheet-shaped elements E 04 C 2/52)  
 

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/ 00 Roofs; Roof construction with regard to insulation (structures for roofs as well as for floors E 04 B 5/00; ceilings E 04 B 9/00; greenhouses A 01 G 9/14; large containers having floating covers B 65 D 88/34; roof trusses, truss-like structures, joists E 04 C 3/02; roof coverings E 04 D) [5]

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/ 02 • with plane sloping surfaces, e.g. saddle roofs (E 04 B 7/12 takes precedence)  

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/ 04 • • supported by horizontal beams or the equivalent resting on the walls (E 04 B 7/06 takes precedence)  

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/ 06 • • Constructions of roof intersections or hopped ends  

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/ 08 • Vaulted roofs (E 04 B 7/14 takes precedence; vaulted structures in general E 04 B 1/32; inflatable tents or canopies, in general E 04 H 15/20; inflatable forms for shaping in situ E 04 G 11/04)  

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/ 10 • • Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures  

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/ 12 • formed in bays, e.g. sawtooth roofs (E 04 B 7/10 takes precedence)  

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/ 14 • Suspended roofs (suspended tents or canopies, in general E 04 H 15/04)  

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/ 16 • Roof structures with movable roof parts (buildings for special purposes E 04 H)  

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/ 18 • Special structures in or on roofs, e.g. dormer windows (in connection with roof coverings E 04 D 13/00, especially domes E 04 D 13/03)  

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/ 20 • Roofs consisting of self-supporting slabs, e.g. able to be loaded [5]  

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/ 22 • • the slabs having insulating properties, e.g. being laminated with layers of insulating material (E 04 B 7/24 takes precedence) [6]  

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/ 24 • • the slabs being collapsible, e.g. for transport [6]  
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