发明名称 Body fluids barrier mask
摘要 A face mask (10) is provided for covering the mouth and nose of a wearer (14). The mask (10) prevents the passage of liquid from external to the mask to the face of the wearer (14). The mask (10) has four layers including a special low density polyethylene barrier (26). The barrier (26) prevents the passage of liquid in at least one direction while freely allowing the passage of gases in both directions.
申请公布号 US4920960(A) 申请公布日期 1990.05.01
申请号 US19870104807 申请日期 1987.10.02
申请人 TECNOL, INC. 发明人 HUBBARD, VANCE M.;BRUNSON, WELTON K.;CALDWELL, DARRELL S.
分类号 A41D13/11;A62B18/08;A62B23/02;B01D39/08 主分类号 A41D13/11
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