Invention Grant
- Patent Title: Filter medium
- Patent Title (中): 过滤介质
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Application No.: US13170673Application Date: 2011-06-28
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Publication No.: US08147584B2Publication Date: 2012-04-03
- Inventor: Christian Hassmann , Hans-Jurgen Meitinger , Kurt Ploetz , Juergen Umminger , Michael Schoeps
- Applicant: Christian Hassmann , Hans-Jurgen Meitinger , Kurt Ploetz , Juergen Umminger , Michael Schoeps
- Applicant Address: US CO Denver
- Assignee: Johns Manville
- Current Assignee: Johns Manville
- Current Assignee Address: US CO Denver
- Agent Robert D. Touslee
- Priority: DE102007027299 20070611
- Main IPC: B01D46/00
- IPC: B01D46/00
Abstract:
The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfibre layer, the non-woven stiffening layer comprising fibers of synthetic polymers and the fibers being both partially oriented and oriented fibers.
Public/Granted literature
- US20110253645A1 FILTER MEDIUM Public/Granted day:2011-10-20
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