Fire retardant modular floor penetration structure

Details Fire retardant modular floor penetration structure Fire retardant modular floor penetration structure

1980-01-11

1981-12-08

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52232, 52227, 174 48, E04B 548, E04C 139

Patent

active

043040799

ABSTRACT:
A cable penetration matrix structure comprises a plurality of individual penetration cells ganged together to form a matrix. A sheath or shroud is added to each penetration cell in use to extend the length of the passageway. Each penetration cell is designed to permit cable passage therethrough in bundles and operates as a self-contained entity. Intumescent cards are inserted between layers of cable to provide a fire stopping seal. Each cell is opened for use as needed and unused cells may be tiled over as part of the floor. The cells are made of a cementitious material and may be reused in the event of a fire.

REFERENCES:
patent: 666079 (1901-01-01), Wehling
patent: 738792 (1903-09-01), Gest
patent: 901833 (1908-10-01), Rettig
patent: 1028578 (1912-06-01), Lund
patent: 2007689 (1935-07-01), Merrill
patent: 2512550 (1950-06-01), Pezzano
patent: 3976825 (1976-08-01), Anderberg
patent: 4093818 (1978-06-01), Thwaites et al.

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