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:
Jul. 29, 2025
Filed:
Dec. 17, 2020
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Tohru Taniguchi, Tokyo, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A hollow fiber membrane modulehas a hollow fiber membrane bundleand a housing case. The housing casehas first molding membersand a second molding member. At each first molding member, a tubular portionand a nozzle portionare integrally molded. The second molding memberhas a tubular shape coaxially continuous from the tubular portion. Values obtained by dividing, by the wall thickness of the second molding member, the wall thicknesses of the housing caseat positions separated in the axial direction from a connecting position toward the first molding memberside by distances of 3 times and 5 times the wall thickness of the second molding memberare 1.0 to 1.3 and 1.0 to 1.5, respectively.