Fire safety device

Details Fire safety device Fire safety device

E - Fixed Constructions

04

B

E04B 1/94 (2006.01) A62C 2/00 (2006.01) A62C 2/06 (2006.01) F16L 5/04 (2006.01)

Patent

CA 2058614

ABSTRACT OF THE DISCLOSURE A fire safety device for closing through-holes in floors and walls and for thus stopping the potential spread of fire and smoke in case of the occurrence of a fire, includes a section of pipe having a weakened wall, a cup- shaped retainer spaced from the outside surface the pipe section so as to define an annular space therebetween, the annular space in turn being provided with a suitable and pre-measured quantity of intumescent material. The device is pre-fabricated and thus avoids the problems inherent in attempting to manually provide the intumescent material in a collar during construction. -16-

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