发明名称 SMOKE VENT
摘要 The invention pertains to a smoke vent of the type comprising a case as support to at least one leaf and, between said case and said leaf a locking device intended to release said leaf upon detection of excessive heat and/or smoke and/or pressure, wherein connecting means are provided between the case and the leaf such as to ensure the opening of the leaf by gravity following a detection by said locking device.
申请公布号 US3821923(A) 申请公布日期 1974.07.02
申请号 US19720288800 申请日期 1972.09.13
申请人 DAUGE P,BE 发明人 DAUGE P,BE
分类号 E04D13/035;E05F1/00;F24F7/02;(IPC1-7):F23L13/02 主分类号 E04D13/035
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