Patent ID: 9220932
Filing Date: 2015-12-29
Classification: A62C,F16L,H02G

Abstract:
1. A fire stop system with a pass through device installed in a structural opening, the fire stop system comprising: a split pipe having a first end and a second end, wherein the first end and the second end have an intumescent material installed thereon for sealing the split pipe when exposed to elevated temperatures; a foam wall gasket installed around the split pipe adjacent the structural opening, wherein the foam wall gasket forms a contour to the structural opening blocking air flow between the split pipe and the opening; an annulus plate covering the foam wall gasket, wherein the annulus plate is positioned around the split pipe at the structural opening; a hot sock install around the split pipe, wherein the hot sock has a base and a top; and a spring ring secured to the base of the hot sock, wherein the spring secures the hot sock to the split pipe, wherein the first end and the second end of the split pipe have a pocket, wherein the pocket receives the spring ring to secure the hot sock to the split pipe.