发明名称 peças faciais compósitas de proteção respiratória e métodos para formar uma peça facial compósita de proteção respiratória.
摘要 <p>A respiratory protection composite facepiece is disclosed and includes a polymeric rigid facepiece body portion having a first surface and a second surface and a silicone sealing facepiece element chemically bonded at least one of the first surface or the second surface. The first and second surfaces can be opposing major surfaces. A second silicone element is chemically bonded to at least one of the first surface or the second surface. Methods of making the same are also disclosed.</p>
申请公布号 BRPI0815244(A2) 申请公布日期 2015.06.30
申请号 BR2008PI15244 申请日期 2008.07.15
申请人 3M INNOVATIVE PROPERETIES COMPANY 发明人 PAUL J. FLANNIGAN;JOHANNES HOOGENRAAD;DAVID P. KNIVSLAND
分类号 A62B18/02 主分类号 A62B18/02
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