发明名称 |
FACE MASKS HAVING AN ELASTIC AND POLYOLEFIN THERMOPLASTIC BAND ATTACHED THERETO BY HEAT AND PRESSURE |
摘要 |
A filtration face mask (10) that comprises a mask body (20) and a band (30). The mask body (20) is adapted to cover the nose and mouth of a wearer and that comprises polyolefin containing fibers. The band (30) comprises an elastic constituent and a fibrous thermoplastic constituent. The fibrous thermoplastic constituent has a melting point of about 250 DEG C or less and is a polyolefin or a substituted polyolefin. The band (30) is attached to the mask body by heat and pressure at securement points (23). |
申请公布号 |
WO0074509(A1) |
申请公布日期 |
2000.12.14 |
申请号 |
WO1999US21800 |
申请日期 |
1999.09.24 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
XUE, JIANXIAN;CASAR, DANIEL, C. |
分类号 |
A45D44/12;A41D13/11;A62B18/08;A62B23/02;B29C65/00 |
主分类号 |
A45D44/12 |
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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