The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2019
Filed:
Oct. 06, 2011
Kunio Fujita, Kagawa-ken, JP;
Hidetaka Ujike, Kagawa-ken, JP;
Takahiko Ishimaru, Kagawa-ken, JP;
Fumikatsu Nagai, Aichi-ken, JP;
Kunio Fujita, Kagawa-ken, JP;
Hidetaka Ujike, Kagawa-ken, JP;
Takahiko Ishimaru, Kagawa-ken, JP;
Fumikatsu Nagai, Aichi-ken, JP;
ISHIGAKI COMPANY LIMITED, Tokyo, JP;
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.