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Patent Searching and Data


Title:
HOLLOW FIBER MEMBRANE MODULE
Document Type and Number:
WIPO Patent Application WO/2013/146663
Kind Code:
A1
Abstract:
Provided is a hollow fiber membrane module that has excellent liquid tightness, high bonding strength in a welding portion, and can be manufactured efficiently. The present invention comprises a hollow fiber membrane bundle (4), a main body case (3) that receives the hollow fiber membrane bundle (4), a membrane fixing layer (5) that fixes the hollow fiber membrane bundle (4) to an inner wall of an end portion of the main body case, and headers (8) and (9) that are attached to a case opening end portion and have an inlet (6) or an outlet (7) for a treatment target liquid. The headers (8) and (9) and the main body case (3) are ultrasonically welded in at least two areas over the entire circumference. A share joint is used as joint design by which a side surface of an outer circumference of the main body case and inner side surfaces of the headers are ultrasonically welded over the entire circumference. A butt joint is used as joint design by which a cross section of the main body case and the inner side surfaces of the headers are ultrasonically welded over the entire circumference.

Inventors:
HASHIMOTO KAZUYUKI (JP)
INUZUKA HAYATO (JP)
NAKANO YOSHINORI (JP)
NAKAMATSU OSAMU (JP)
Application Number:
PCT/JP2013/058545
Publication Date:
October 03, 2013
Filing Date:
March 25, 2013
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D63/02; A61M1/18; B01D63/00
Foreign References:
JP2008093518A2008-04-24
JP2012030204A2012-02-16
JP2007175566A2007-07-12
JP4842419B22011-12-21
Other References:
See also references of EP 2832423A1
Attorney, Agent or Firm:
IWATANI, Ryo (JP)
Tatsu Iwatani (JP)
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