Invention Grant
- Patent Title: Filter medium having large fold spacing
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Application No.: US15529020Application Date: 2015-11-20
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Publication No.: US10668424B2Publication Date: 2020-06-02
- Inventor: Rudolf Freiler
- Applicant: FILTA Co., Ltd.
- Applicant Address: DE Postbauer-Pavelsbach
- Assignee: IREMA-FILTER GMBH
- Current Assignee: IREMA-FILTER GMBH
- Current Assignee Address: DE Postbauer-Pavelsbach
- Agency: Dann, Dorfman, Herrell & Skillman, P.C.
- Agent Niels Haun
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5a621a
- International Application: PCT/TH2015/000082 WO 20151120
- International Announcement: WO2016/085417 WO 20160602
- Main IPC: B01D46/52
- IPC: B01D46/52 ; B29C48/00 ; B29C48/08 ; B01D29/01 ; B01D46/00 ; B29C65/18 ; B29C65/58 ; B29C65/00 ; D01D5/084 ; B29L31/14
Abstract:
The inventive semi-finished product for a filter, particularly an air filter, comprises a filter medium, wherein said filter medium comprises a nonwoven having fibrous structure produced in a melt-spinning process and at least partially arranged in pleated layers.
Public/Granted literature
- US20170259201A1 Filter Medium Having Large Fold Spacing Public/Granted day:2017-09-14
Information query
IPC分类:
