发明名称 FILTRIERENDE ATEMHALBMASKE
摘要 Filtering respiratory half-mask comprising a mask element (1) with an inner filter part (2) made of plastic and glass microfibers and an outer support part (3) made from synthetic fiber fabrics with large mesh and similar configuration. Both layers are interconnected by welding or glueing, thereby forming a sealing edge (4). They are further connected by tack welding or glueing (5) at the bottom of the mask element. Pincers (6) for the nose provide for the pressure sealing around the nose. A head strap (8) is fixed to the mask element by loops (7).
申请公布号 DE3204322(A1) 申请公布日期 1983.08.11
申请号 DE19823204322 申请日期 1982.02.09
申请人 DRAEGERWERK AG 发明人 DER,DR. SMISSEN,CARL-ERNST VAN;HECKMANN,JOHANNES,ING.;WALTHER,HANS-JOACHIM,ING.;SCHLOBOHM,JOACHIM,ING.
分类号 A41D13/11;(IPC1-7):A62B18/02 主分类号 A41D13/11
代理机构 代理人
主权项
地址