Fire resistant plastic pipe

Details Fire resistant plastic pipe Fire resistant plastic pipe

1987-02-09

1988-11-29

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

138149, 285 47, 428 364, F16L 900, F16L 5916

Patent

active

047880902

ABSTRACT:
A novel plastic pipe coated on the outer surface with a thermal insulating layer comprising phenolic foam, and wherein the layer is enclosed in an integrity retaining layer serving as a top or outer layer, comprising fibers, such as glassfibers, which fuse together upon exposure to fire, thereby providing mechanical strength to the foam when the pipe is exposed to fire.

REFERENCES:
patent: 3614967 (1971-10-01), Royston
patent: 4287245 (1981-09-01), Kikuchi
patent: 4418724 (1983-12-01), Fricker et al.
patent: 4538834 (1985-09-01), Brady et al.
patent: 4590971 (1986-05-01), Webster et al.
patent: 4637637 (1987-01-01), Adorjan
patent: 4660861 (1987-04-01), Argy et al.

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