Fire barrier device
First Claim
1. A fire barrier device for stopping passage of fire through an opening in a partition for plastic pipe, comprising an outer metallic sleeve extending into said opening;
- an inner, tubular, non-metallic coupling coaxially disposed between said sleeve and said plastic pipe, spaced radially inward from said sleeve forming a space between the sleeve and the coupling;
a wrapping of intumescent material filling said space; and
a layer of caulking material abutting an end surface of said wrapping to prevent gases and hot air from passing from one side of the partition to the other side through the wrapping of intumescent material.
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Accused Products
Abstract
In accordance with the invention there is provided a fire barrier device for stopping passage of fire through openings in partitions for plastic pipe. The device includes an outer metallic sleeve; a radially extending flange attached to one end of the sleeve; an inner, tubular, non-metallic coupling axially disposed between the sleeve and the plastic pipe, spaced radially inward from the sleeve, forming a space between the sleeve and the coupling; a wrapping or filling of intumescent material that fills that space; and a layer of caulking material abutting an end surface of the wrapping of intrumescent material.
58 Citations
15 Claims
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1. A fire barrier device for stopping passage of fire through an opening in a partition for plastic pipe, comprising an outer metallic sleeve extending into said opening;
- an inner, tubular, non-metallic coupling coaxially disposed between said sleeve and said plastic pipe, spaced radially inward from said sleeve forming a space between the sleeve and the coupling;
a wrapping of intumescent material filling said space; and
a layer of caulking material abutting an end surface of said wrapping to prevent gases and hot air from passing from one side of the partition to the other side through the wrapping of intumescent material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- an inner, tubular, non-metallic coupling coaxially disposed between said sleeve and said plastic pipe, spaced radially inward from said sleeve forming a space between the sleeve and the coupling;
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13. A fire barrier device for stopping passage of fire through openings in partitions for plastic pipe, comprising an outer metallic sleeve;
- a radially extending flange attached to one end of said sleeve;
an inner, tubular, non-metallic coupling coaxially disposed between said sleeve and said plastic pipe, spaced radially inward from said sleeve forming a space between the sleeve and the coupling;
a wrapping of intumescent material filling said space; and
a layer of caulking material abutting an end surface of said wrapping, including securing means for axially securing said coupling to said sleeve, wherein said securing means include a plurality of shoulder screws circumferentially disposed about said sleeve, penetrating said sleeve and said wrapping of intumescent material, and engaging said tubular coupling. - View Dependent Claims (14, 15)
- a radially extending flange attached to one end of said sleeve;
Specification