초록 ▼

The present invention provides a firestop collar with an improved apparatus and method for mounting thereof with respect to a annular cavity formed in a wall or floor around a pipe or other cylindrical member protruding therethrough. The collar member preferably is positioned adjacent to the surface

The present invention provides a firestop collar with an improved apparatus and method for mounting thereof with respect to a annular cavity formed in a wall or floor around a pipe or other cylindrical member protruding therethrough. The collar member preferably is positioned adjacent to the surface surrounding the protruding member and contains preferably intumescent material therein which is responsive to heat in order to expand and fill the aperture extending through the wall or panel during heat, fire or smoke conditions. The anchoring device for the present invention is adapted to hold the collar in abutment with the structural wall in position surrounding the penetrating conduit and it includes two leg members and an arcuate member. The arcuate member extends between the leg members and is made of a flexibly resilient material and has a radius of curvature less than that of the protruding conduit. The arcuate member can be flexed to cause the arcuate member to assume the same radius of curvature as the annular cavity such that it can extend therethrough such that the arcuate member is movable to the opposite side of the structural member with the two leg members secured at opposite ends of the arcuate member extending outwardly to the first side of the structural member through the cavity. These legs can then be secured to a collar member and with the arcuate member engaging the second surface of the structural member the firestop collar member is held in place securely.

대표청구항 ▼

1. A firestop collar means with improved mounting means positioned adjacent a cavity defined between a structural panel having an aperture therein extending from the first side to the second side thereof and a generally cylindrical penetrating member extending through the aperture, said firestop col

1. A firestop collar means with improved mounting means positioned adjacent a cavity defined between a structural panel having an aperture therein extending from the first side to the second side thereof and a generally cylindrical penetrating member extending through the aperture, said firestop collar means comprising:A. a collar member positioned adjacent the first side of the structural panel surrounding the cylindrical penetrating member adjacent the cavity defined between the cylindrical penetrating member and the structural panel to facilitate sealing of the aperture to inhibit movement of fire, heat and smoke therethrough; B. an anchoring means comprising: (1) a first leg member attached to said collar member and extending through the cavity of the structural panel to the second side thereof, said first leg member defining a first collar end attached to the collar member adjacent the first side of the structural panel and a first protruding end spatially disposed from said first collar end and extending through the cavity to the second side of the structural panel; (2) second leg member attached to said collar member at a position spatially disposed from said first leg member, said second leg member extending through the cavity of the structural panel to the second side thereof, said second leg member defining a second collar end attached to the collar member adjacent the first side of the structural panel and a second protruding end spatially disposed from said second collar end and extending through the cavity to the second side of the structural panel; and (3) an arcuate member secured to said first protruding end of said first leg member and to said second protruding end of said second leg member and extending through an arcuate shaped curve therebetween, said arcuate member being formed of a flexibly resilient material to allow selective modification of the radius of curvature thereof to facilitate insertion of said anchoring means through the cavity for engagement of the arcuate member with the second side of the structural panel to facilitate retaining of said collar member adjacent the cavity on the first side of the structural member.