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公开(公告)号:US20220154525A1
公开(公告)日:2022-05-19
申请号:US17591140
申请日:2022-02-02
摘要: Systems and methods for rectifying excessive bottom or head clearances of door assemblies are disclosed. An example system may comprise a door cap straight component installed on a first side of a fire door; a door cap L-shaped component installed on a second opposite side of the fire door; at least one intumescent strip seal fitted with the door cap L-shaped component; and end caps installed on two narrow ends of the fire door.
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公开(公告)号:US11261653B2
公开(公告)日:2022-03-01
申请号:US16597423
申请日:2019-10-09
摘要: Systems and methods for rectifying excessive bottom or head clearances of door assemblies are disclosed. An example system may comprise a door cap straight component installed on a first side of a fire door; a door cap L-shaped component installed on a second opposite side of the fire door; at least one intumescent strip seal fitted with the door cap L-shaped component; and end caps installed on two narrow ends of the fire door.
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公开(公告)号:US20200370364A1
公开(公告)日:2020-11-26
申请号:US16597423
申请日:2019-10-09
IPC分类号: E06B7/232
摘要: Systems and methods for rectifying excessive bottom or head clearances of door assemblies are disclosed. An example system may comprise a door cap straight component installed on a first side of a fire door; a door cap L-shaped component installed on a second opposite side of the fire door; at least one intumescent strip seal fitted with the door cap L-shaped component; and end caps installed on two narrow ends of the fire door.
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公开(公告)号:US20200370363A1
公开(公告)日:2020-11-26
申请号:US16597347
申请日:2019-10-09
摘要: Systems and methods for rectifying excessive bottom or head clearances of door assemblies are disclosed. An example system may comprise a door sweep installed on a first side of a fire door; a door shoe installed on a second opposite side of the fire door; an intumescent seal in an opening between a bottom edge of the fire door and the door shoe or a floor surface; and end caps installed on two narrow side ends of the fire door.
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