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1. (WO2017170971) HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR MANUFACTURING SAME

Pub. No.:    WO/2017/170971    International Application No.:    PCT/JP2017/013490
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Fri Mar 31 01:59:59 CEST 2017
IPC: B01D 63/02
A61M 1/18
B01D 63/00
Applicants: ASAHI KASEI MEDICAL CO., LTD.
旭化成メディカル株式会社
Inventors: ASATSUMA, Keiichi
朝妻 恵一
KOIZUMI, Toshinori
小泉 智徳
KOYANO, Toshihiro
小谷野 剛宏
Title: HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR MANUFACTURING SAME
Abstract:
The hollow fiber membrane module pertaining to the present invention is provided with: a cylindrical container (2) in which one end part and the other end part thereof are open; a hollow fiber membrane bundle (3) loaded in the cylindrical container (2); a potting part (4) in which the hollow fiber membrane bundle (3) is embedded and fixed in both end parts of the cylindrical container (2); and a header (5) having a nozzle as a fluid exit/entrance, the header (5) being provided to both end parts of the cylindrical container (2). In the hollow fiber membrane module, the header (5) and the cylindrical container (2) are welded in at least the two locations of a primary weld part (71) and a secondary weld part (72), the secondary weld part (72) being disposed in a position at which welding is initiated after or at the same time as the start of welding of the primary weld part (71).