发明名称 |
Molded respirator comprising meltblown fiber web with staple fibers |
摘要 |
A molded respirator and method of making are disclosed, wherein the molded respirator is made from a porous nonwoven web containing meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein. The molded respirator may also contain at least one secondary filtration layer.
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申请公布号 |
US7989372(B2) |
申请公布日期 |
2011.08.02 |
申请号 |
US20070767012 |
申请日期 |
2007.06.22 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
ANGADJIVAND SEYED A.;BRANDNER JOHN M.;SPRINGETT JAMES E. |
分类号 |
D04H3/00;D01D5/08;D02G3/04;D04H3/16 |
主分类号 |
D04H3/00 |
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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