Invention Grant
- Patent Title: Filter medium, filtering device using filter medium, and filter medium manufacturing method
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Application No.: US13990267Application Date: 2011-10-06
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Publication No.: US10252192B2Publication Date: 2019-04-09
- Inventor: Kunio Fujita , Hidetaka Ujike , Takahiko Ishimaru , Fumikatsu Nagai
- Applicant: Kunio Fujita , Hidetaka Ujike , Takahiko Ishimaru , Fumikatsu Nagai
- Applicant Address: JP Tokyo
- Assignee: ISHIGAKI COMPANY LIMITED
- Current Assignee: ISHIGAKI COMPANY LIMITED
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2010-271779 20101206
- International Application: PCT/JP2011/073062 WO 20111006
- International Announcement: WO2012/077402 WO 20120614
- Main IPC: B01D29/00
- IPC: B01D29/00 ; D02G3/42 ; B01D39/16 ; B01D39/08
Abstract:
A filter medium includes: a core yarn and a binder yarn twisted together, at least one of the core yarn or the binder yarn being weldable; and a filament yarn being fuzzy and weldable, the filament yarn being welded to at least one of the core yarn or the binder yarn while being placed between the core yarn and the binder yarn as twisted together. A filtering device for filtering a liquid to be treated with a filter medium layer includes the filter medium. A method of manufacturing the filter medium is also disclosed.
Public/Granted literature
- US20130248439A1 FILTER MEDIUM, FILTERING DEVICE USING FILTER MEDIUM, AND FILTER MEDIUM MANUFACTURING METHOD Public/Granted day:2013-09-26
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