Invention Application
- Patent Title: PLEATED AIR FILTER WITH BRIDGING FILAMENTS AND CONTINUOUS-CONTACT FILAMENTS
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Application No.: PCT/IB2019/056507Application Date: 2019-07-30
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Publication No.: WO2020026149A1Publication Date: 2020-02-06
- Inventor: ZHANG, Zhiqun , NGUYEN, Nhat Ha Thi , LE, Jimmy M. , GREGERSON, Glen O. , GERHARDT, Bryan L. , EITZMAN, Philip D.
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: 3M Center Post Office Box 33427 Saint Paul, MN 55133-3427 US
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: 3M Center Post Office Box 33427 Saint Paul, MN 55133-3427 US
- Agency: WOOD, Kenneth B. et al.
- Priority: US62/714,178 20180803
- Main IPC: B01D46/52
- IPC: B01D46/52 ; F24F3/16 ; B60H3/06
Abstract:
A pleated air filter media is provided. The pleated air filter media comprises a plurality of upstream linear bridging filaments that are extrusion-bonded to at least some of a plurality of upstream pleat tips of a fibrous web, and a plurality of downstream continuous -contact filaments that are extrusion-bonded to a downstream face of the fibrous web. Methods of making and using the same are also provided.
Information query
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