Method for making a fire-proof passage and passage obtained ther

Details Method for making a fire-proof passage and passage obtained ther Method for making a fire-proof passage and passage obtained ther

1978-01-31

1981-01-20

Perham, Alfred C.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52744, 174 48, 285 47, 285192, F16L 500, E04B 548

Patent

active

042454450

ABSTRACT:
There is described a method for passing through a wall or ceiling with elements such as electric cables, ducts, pipes, etc., whereby said wall has at least one passage opening for said elements or such an opening is made in said wall, which comprises making use of a cushion which is fireresistant enough, at least one surface of said cushion is covered with a fire-proof compound, said opening is closed with said cushion, a flange from fire-resisting material is arranged against at least one cushion surface for each element or element group, in such a way as to surround the element or element group, and the hollow space remaining inside the flange is filled with a fire-proof material.

REFERENCES:
patent: 2314950 (1943-03-01), Pope
patent: 2390632 (1945-12-01), Abrams et al.
patent: 3162412 (1964-12-01), McEntire
patent: 3848897 (1974-11-01), McClellan
patent: 4023782 (1977-05-01), Eifer
patent: 4061344 (1977-12-01), Bradley
patent: 4086736 (1978-05-01), Landrigan

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