Invention Grant
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
- Patent Title: Molded respirator comprising meltblown fiber web with staple fibers
- Patent Title (中): 模制呼吸器包括具有短纤维的熔喷纤维网
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Application No.: US11767012Application Date: 2007-06-22
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Publication No.: US07989372B2Publication Date: 2011-08-02
- Inventor: Seyed A. Angadjivand , John M. Brandner , James E. Springett
- Applicant: Seyed A. Angadjivand , John M. Brandner , James E. Springett
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- Main IPC: D04H3/00
- IPC: D04H3/00 ; D04H3/16 ; D02G3/04 ; D01D5/08

Abstract:
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.
Public/Granted literature
- US20080318014A1 MOLDED RESPIRATOR COMPRISING MELTBLOWN FIBER WEB WITH STAPLE FIBERS Public/Granted day:2008-12-25
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