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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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