发明授权
US07989372B2 Molded respirator comprising meltblown fiber web with staple fibers
有权
模制呼吸器包括具有短纤维的熔喷纤维网
- 专利标题: Molded respirator comprising meltblown fiber web with staple fibers
- 专利标题(中): 模制呼吸器包括具有短纤维的熔喷纤维网
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申请号: US11767012申请日: 2007-06-22
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公开(公告)号: US07989372B2公开(公告)日: 2011-08-02
- 发明人: Seyed A. Angadjivand , John M. Brandner , James E. Springett
- 申请人: Seyed A. Angadjivand , John M. Brandner , James E. Springett
- 申请人地址: US MN St. Paul
- 专利权人: 3M Innovative Properties Company
- 当前专利权人: 3M Innovative Properties Company
- 当前专利权人地址: US MN St. Paul
- 代理商 Kenneth B. Wood
- 主分类号: D04H3/00
- IPC分类号: D04H3/00 ; D04H3/16 ; D02G3/04 ; D01D5/08
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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