发明名称 Ventilated welding mask apparatus
摘要 A ventilated welding mask is disclosed having a three chamber housing mounted thereon. A blower fan is positioned within a second medial chamber. On the rear wall of the second medial chamber, a nozzle is mounted. A conduit extends from this nozzle to an air flow manifold positioned with the welding mask.
申请公布号 US5123114(A) 申请公布日期 1992.06.23
申请号 US19910694774 申请日期 1991.05.02
申请人 DESANTI, MICHAEL J. 发明人 DESANTI, MICHAEL J.
分类号 A61F9/06 主分类号 A61F9/06
代理机构 代理人
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