发明名称 |
FACE MASK HAVING WELDED THERMOPLASTIC MASK BODY |
摘要 |
<p>A respirator (10) that includes a mask body (12) and at least one filter cartridge (24). The mask body (12) has a central portion (14) and a peripheral portion (16). The filter cartridge (24) is attached to the rigid central portion (16). The peripheral portion 14 is made from a low stiffness first thermoplastic material, and the central portion (16) is made from a rigid second thermoplastic material. The first thermoplastic material is welded to the second thermoplastic material. A respirator of this structure can be made in a convenient manner, with a sound hermetic bond between the parts, while also being light in weight.</p> |
申请公布号 |
WO2012141930(A3) |
申请公布日期 |
2013.01.03 |
申请号 |
WO2012US31841 |
申请日期 |
2012.04.02 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
CHOI, DONG-IL;LEE, KYOUNGHO;LEE, JIN-HO;KANG, BONGHYUP;NOH, DONG-SUN |
分类号 |
A62B18/02;A62B7/10;A62B23/00 |
主分类号 |
A62B18/02 |
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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