Fire/smoke protection structure for a plastic pipe or cable chan

Details Fire/smoke protection structure for a plastic pipe or cable chan Fire/smoke protection structure for a plastic pipe or cable chan

1988-11-09

1990-02-20

Scherbel, David A.

Static structures (e.g., buildings)

Irreversibly reactive component

52317, E04C 200

Patent

active

049014889

ABSTRACT:
A fire/smoke protection structure for cable channel portion in a floor or wall includes thermal expansion composite molded members each molded into a desired shape and filled in a gap defined between a cable or the like and the channel portion. Each thermal expansion composite molded member is either a member obtained by coating a non-refractory material on the outer surface of a core consisting of a fire retardant resin foaming body compressed to 90% or less of a normal volume, or a member obtained by coating a thermally foaming fire retardant composition on the outer surface of a core consisting of a refractory material and molded into a desired shape. The fire/smoke protection structure can be easily constructed, maintained and reconstructed at a construction site and can be completely and reliably achieved.

REFERENCES:
patent: 4093818 (1978-06-01), Thwaites et al.
patent: 4109423 (1978-08-01), Perrain
patent: 4221092 (1980-09-01), Johnson
patent: 4548853 (1985-10-01), Bryan

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