发明申请
- 专利标题： FIRE-RATED MODULAR DUCT ASSEMBLY AND IMPROVEMENTS THEREIN
- 专利标题（中）： 防火模块式排水管组件及其改进
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申请号： US14051016申请日： 2013-10-10
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公开(公告)号： US20150101697A1公开(公告)日： 2015-04-16
- 发明人: William Christopher Duffy
- 申请人： William Christopher Duffy
- 主分类号： F24F13/02
- IPC分类号： F24F13/02 ; F16L23/14 ; F16L23/16
摘要：
A fire-rated exhaust duct system comprising a modular configuration or structure. The fire-rated exhaust duct system comprises a plurality of exhaust duct sections. Each of the exhaust duct sections is configured to be joined or connected with other exhaust duct sections in the field or at an installation site, e.g. in building housing a kitchen facility or a laboratory facility to form longer sections or runs for exhaust duct system.
公开/授权文献
- US10024569B2 Fire-rated modular duct assembly and improvements therein 公开/授权日：2018-07-17
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