发明名称 |
REPIRADORES MOLDADOS E PROCESSOS PARA FABRICAÇÃO DE RESPIRADORES MOLDADOS |
摘要 |
<p>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.</p> |
申请公布号 |
BRPI0811656(A2) |
申请公布日期 |
2015.02.10 |
申请号 |
BR2008PI11656 |
申请日期 |
2008.05.07 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
SEYED A. ANGADJIVAND;JOHN M. BRANDNER;JAMES E. SPRINGETT |
分类号 |
A41D13/11;A62B23/02 |
主分类号 |
A41D13/11 |
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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