Fire barrier device

Details Fire barrier device Fire barrier device

1990-11-13

1992-04-21

Murtagh, John E.

Static structures (e.g., buildings)

Irreversibly reactive component

F16K 1738, E04B 548

Patent

active

051055929

ABSTRACT:
In accordance with the invention there is provided a fire barrier device for stopping passage of fire through openings in partitions for plastic pipe. The device includes an outer metallic sleeve; a radially extending flange attached to one end of the sleeve; an inner, tubular, non-metallic coupling axially disposed between the sleeve and the plastic pipe, spaced radially inward from the sleeve, forming a space between the sleeve and the coupling; a wrapping or filling of intumescent material that fills that space; and a layer of caulking material abutting an end surface of the wrapping of intrumescent material.

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patent: 4936064 (1990-06-01), Gibb
patent: 4967527 (1990-11-01), Gohlke
patent: 4999962 (1991-03-01), Gohlke

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