发明名称 Respirator and filter cartridge
摘要 A respirator (10) includes a filter cartridge (12) that has a housing (16) and a bonded sorbent filter element (20). Housing (16) includes a sleeve (32) that has an inner surface (36) and a folded edge (42). The filter element (18) includes a bonded sorbent filter element (20) that is pressed against the sleeve's inner surface (36) and that is held in the sleeve (32) by the folded edge (42).
申请公布号 US6277178(B1) 申请公布日期 2001.08.21
申请号 US19950375681 申请日期 1995.01.20
申请人 3M INNOVATIVE PROPERTIES COMPANY 发明人 HOLMQUIST-BROWN THOMAS W.;REKOW PETER O.
分类号 A62B23/02;B01D39/14;(IPC1-7):B01D53/04 主分类号 A62B23/02
代理机构 代理人
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