Fire retardant partitioning for openings for plastic pipe lines

Details Fire retardant partitioning for openings for plastic pipe lines Fire retardant partitioning for openings for plastic pipe lines

1980-05-08

1981-12-29

Faw, Jr., Price C.

Static structures (e.g., buildings)

Controlled by condition responsive means

52232, 137 77, E04H 900

Patent

active

043075460

ABSTRACT:
Partitioning for preventing the spread of fire or smoke through wall apertures created by the burning of plastic pipe. Pre-stressed metal squeezing elements are retained by plastic bolts which melt at about 120.degree. C., releasing the squeezing elements and permitting them to squeeze together the heat-softened plastic pipe. An insert of foamable material may additionally be used to supplement the aperture sealing effect.

REFERENCES:
patent: 3678634 (1972-07-01), Wise et al.
patent: 3726050 (1973-04-01), Wise et al.
patent: 3768223 (1973-10-01), Kurz
patent: 4109423 (1978-08-01), Perrain
patent: 4136707 (1979-01-01), Gaillot et al.

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