Firestop sleeve

Details Firestop sleeve Firestop sleeve

1997-09-19

1999-03-30

Thomas, Alexander

Static structures (e.g., buildings)

Irreversibly reactive component

428192, 428920, 428921, B32B 900, B32B 302

Patent

active

058873953

ABSTRACT:
A firestop sleeve suitable for both concrete floor and gypsum wall-board assembly including a layer of intumescent composite forming a moldable putty with a restraining layer, for wrapping around a pipe extending through the concrete floor or through the wall-board, along with a plurality of bendable tabs for depression into the wrapped layer to hold the restraining layer in position during installation.

REFERENCES:
patent: 5498466 (1996-03-01), Navarro et al.
patent: 5566706 (1996-10-01), Harpeneau
patent: 5597090 (1997-01-01), Leahy

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