F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/02 (2006.01) A62C 2/06 (2006.01) E04F 17/08 (2006.01) F16L 5/04 (2006.01)
Patent
CA 2060749
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 conduit, a cup-shaped retainer spaced from the outside surface of the conduit section so as to define an annular space therebetween, the annular space containing a suitable and pre-measured quantity of intumescent material, and a floating floor below the intumescent material which, in the event of fire, will move inwardly to occupy the interior space previously occupied by the conduit section.
Ibasfalean Daniel D.
Ibasfalean John C.
Robertson Eric B.
Ibasfalean Daniel D.
Ibasfalean John C.
Mcfadden Fincham
Robertson Eric B.
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