Self-supporting composite plate for double floors, ceilings...

Details Self-supporting composite plate for double floors, ceilings... Self-supporting composite plate for double floors, ceilings...

E - Fixed Constructions

04

B

20/17

E04B 5/00 (2006.01) E04C 2/06 (2006.01)

Patent

CA 1245030

ABSTRACT A self-supporting composite plate for double floors, ceilings or the like, with a pan-shaped outside wrapper of sheet metal, preferably sheet steel, and a hardenable, mineral filler material, e.g., anhydrite, to be introduced into the wrapper in flowable state, wherein the connection between the hardened filler and the pan-shaped wrapper is produced by punched holes with frayed edges projecting inwardly provided in the wrapper bottom and side walls, and the pan shaped wrapper is provided on its outside surface with a layer preventing the running out of the flowable filler through the holes. The layer is formed of a liquid or plastic application of a coating of a surface protection and/or surface treatment agent which is hardened to serve as a closed skin which closes off the holes. A large number of small diameter holes are provided in the bottom and sides of the pan-shaped wrapper. - 8 -

470568

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