Static structures (e.g. – buildings) – Irreversibly reactive component
Patent
1994-04-07
1997-06-03
Friedman, Carl D.
Static structures (e.g., buildings)
Irreversibly reactive component
52 1, 52317, 524061, 525731, 52DIG5, 285 64, 285187, 169 48, 138119, 428921, F16L 504, A62C 206
Patent
active
056343043
ABSTRACT:
A firestop conduit element is formed of an inner conduit of fusible material surrounded by intumescent material which is contained within an exterior moisture impenetrable barrier. A preferred barrier is an external sleeve, bonded at its ends to the conduit. The ends of the conduit element are coupleable to exterior conduit systems.
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Friedman Carl D.
Saladino Laura A.
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