Title:
WATER TREATMENT FILTER MODULE, AND APPARATUS AND METHOD FOR MANUFACTURING HELICAL STRAND FOR WATER TREATMENT FILTER MODULE
Document Type and Number:
WIPO Patent Application WO/2019/088633
Kind Code:
A2
Abstract:
The present invention relates to a water treatment filter module, an apparatus and method for manufacturing a helical strand for a water treatment filter module, and a method for manufacturing a spacer. According to an aspect of the present invention, provided is a water treatment filter module including: a membrane for filtering raw water; and a spacer that is laminated on the membrane and provides a plurality of passages for passing the raw water through to the membrane, wherein the spacer includes a first member extending in a first direction and a second member extending in a second direction that is different from the first direction and arranged to form a spacer cell by crossing the first member, and at least one among the first member and second member is wound with respect to the extended direction in a helical shape having a predetermined pitch of a predetermined radius.
Inventors:
CHOI JUN WON (KR)
IM YE HOON (KR)
IM YE HOON (KR)
Application Number:
PCT/KR2018/012957
Publication Date:
May 09, 2019
Filing Date:
October 30, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
B01D65/08; B01D61/02; B01D61/10; B01D63/10; C02F1/44
Foreign References:
| KR20170145694A | 2017-11-03 |
Other References:
See also references of EP 3705173A4
Attorney, Agent or Firm:
DANA PATENT LAW FIRM (KR)
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