发明名称 VERRIEGELUNGSVORRICHTUNG FUER GERAETE IN BOHRLOECHERN
摘要 A powered air respirator which provides hardhat (safety helmet), respiratory, eye and face protection and comprises a hardhat, a shell member spaced from and overlying the hardhat, air filtering means in the space between the shell member and the hardhat, a face shield assembly attached to and depending from the front of the shell member, a transparent face shield in said face shield assembly, face sealing means on the peripheral edge of said face shield assembly to seal against a user's face from temple to temple and an air circulating means located in the rear portion of the shell member is disclosed.
申请公布号 DE3108628(A1) 申请公布日期 1982.02.04
申请号 DE19813108628 申请日期 1981.03.06
申请人 OTIS ENGINEERING CORP. 发明人 W. STOUT,GREGG
分类号 A42B3/22;A42B3/28;A61F9/06;A62B18/04 主分类号 A42B3/22
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