Fire retarding division penetrating member

Details Fire retarding division penetrating member Fire retarding division penetrating member

1997-09-12

1999-09-07

Brinson, Patrick

Pipes and tubular conduits

Longitudinally seamed

138166, 138167, 138128, 52232, F16L 900, F16K 1738

Patent

active

059471590

ABSTRACT:
An elastic metal sheet member with thermal expansion material being lined on its internal face is curved to a C-letter shape. A claw is formed downward to a opening side tip, and a engaging mouth is formed to the opposite opening side tip. In this structure, the penetrating member can be fitted to the piping "A" or can be detached from it only by pressing the elastic metal sheet for its contraction in diameter with one hand.

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