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:
Jun. 21, 2022
Filed:
Jun. 20, 2018
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Shigenori Kasai, Tokyo, JP;
Daisuke Okamura, Tokyo, JP;
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a hollow fiber membrane module comprising: a hollow fiber membrane bundle; a housing; a first adhesively-fixed portion and a second adhesively-fixed portion configured to adhesively fix, at both ends of each of the hollow fiber membranes, with a potting material: the hollow fiber membranes to each other, and the hollow fiber membrane bundle to an inner wall of the housing; and a regulating memberconfigured to regulate arrangement of the hollow fiber membranes, wherein: on an end face outer than the housing of at least one of the first adhesively-fixed portion or the second adhesively-fixed portion, when a range of a circle having a center at a center of the end face and a radius equal to ½ of a radius of the end face is defined as a central portion, and a range other than the central portion is defined as a circumferential portion, a ratio of an area ratio of the regulating memberand the potting material to an entire area of the central portion to an area ratio of the regulating memberand the potting material to an entire area of the circumferential portion is 0.8 or more and 1.2 or less.