Invention Grant
US08029345B2 Fire stop outlet for small duct, high velocity air distribution systems
有权
小管道,高速空气分配系统的灭火器出口
- Patent Title: Fire stop outlet for small duct, high velocity air distribution systems
- Patent Title (中): 小管道,高速空气分配系统的灭火器出口
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Application No.: US11536819Application Date: 2006-09-29
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Publication No.: US08029345B2Publication Date: 2011-10-04
- Inventor: Craig S. Messmer , Josh J. Riley
- Applicant: Craig S. Messmer , Josh J. Riley
- Applicant Address: US MO St. Louis
- Assignee: Unico, Inc.
- Current Assignee: Unico, Inc.
- Current Assignee Address: US MO St. Louis
- Agency: Thompson Coburn LLP
- Main IPC: F24F13/14
- IPC: F24F13/14 ; F24F7/00

Abstract:
A fire stop apparatus for a small duct, high velocity air distribution system is assembled to a duct opening and includes a cylindrical support wall that supports a cylindrical band of intumescent material that expands and closes the duct opening when subjected to the heat of a fire.
Public/Granted literature
- US20080078841A1 Fire Stop Outlet for Small Duct, High Velocity Air Distribution Systems Public/Granted day:2008-04-03
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