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公开(公告)号:US06041782A
公开(公告)日:2000-03-28
申请号:US881348
申请日:1997-06-24
申请人: Seyed Abolhassan Angadjivand , Tammy M. Chalmers , James F. Dyrud , Simon A. Mortimer , Scott J. Tuman , Cynthia Y. Tamaki , Graham J. Bostock
发明人: Seyed Abolhassan Angadjivand , Tammy M. Chalmers , James F. Dyrud , Simon A. Mortimer , Scott J. Tuman , Cynthia Y. Tamaki , Graham J. Bostock
CPC分类号: A62B23/025 , A41D13/1146
摘要: A respiratory mask 1 has a molded, cup-shaped, shape-retaining shell 10 on the concave side of which is a layer of filter material 11 and, on the concave side of the filter material, without any intermediate shape-retaining layer, a layer of nonwoven material 12. The layer of filter material 11 and the inside layer 12 are conformed into the cup-shaped configuration of the shape-retaining shell 10. The inside layer 12 is preferably a smooth BMF material offering improved comfort to the wearer.
摘要翻译: 呼吸面罩1具有模制的杯状保形壳10,其凹面上是过滤材料层11,并且在过滤材料的凹面上没有任何中间形状保持层, 非织造材料层12。过滤材料层11和内层12被配合成形状保持壳10的杯形构造。内层12优选地是平滑的BMF材料,为穿着者提供了改进的舒适性。