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
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