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. 21, 2026
Filed:
Apr. 15, 2022
Applicant:
Nok Corporation, Tokyo, JP;
Inventors:
Assignee:
NOK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/04 (2006.01); B01D 63/02 (2006.01);
U.S. Cl.
CPC ...
B01D 63/04 (2013.01); B01D 63/0233 (2022.08);
Abstract
A hollow fiber membrane module having: a tubular case; a plurality of hollow fiber membranes disposed within the case; sealing and fixing parts that fix the hollow fiber membranes to each other at the ends of the plurality of hollow fiber membranes; and sealing parts that seal annular gaps between the case and the sealing and fixing parts. The sealing parts are bonded to the inner peripheral surface of the case and the outer peripheral surface of the sealing and fixing parts while being allowed to expand or contract in the direction in which the spacing of the gaps between the case and the sealing and fixing parts changes.