Title:
METHOD FOR MANUFACTURING MEMBRANE FOR LIQUEFIED GAS STORAGE TANK AND MOLD FOR MANUFACTURING SAME MEMBRANE
Document Type and Number:
WIPO Patent Application WO/2022/270673
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing a membrane for a liquefied gas storage tank, the membrane including a pair of side corrugated parts and a pair of center corrugated parts arranged between the pair of side corrugated parts to face each other, the method comprising the steps of: preparing a die mold and a plurality of insert molds drawn in the die mold; and drawing processing a metal plate material having a predetermined thickness by using the die mold and the plurality of insert molds to form the plurality of corrugated parts, wherein the plurality of insert molds include a side corrugation insert for forming the pair of side corrugated parts and a center corrugation insert for forming the pair of center corrugated parts.
Inventors:
OH BYUNGTEAK (KR)
YOON YOUNGKEUN (KR)
YANG YOUNG CHUL (KR)
SEO HEUNG SEOK (KR)
JIN KYO KOOK (KR)
HAN HAE CHUL (KR)
YIM KI HO (KR)
YOON YOUNGKEUN (KR)
YANG YOUNG CHUL (KR)
SEO HEUNG SEOK (KR)
JIN KYO KOOK (KR)
HAN HAE CHUL (KR)
YIM KI HO (KR)
Application Number:
PCT/KR2021/009466
Publication Date:
December 29, 2022
Filing Date:
July 22, 2021
Export Citation:
Assignee:
KOREA GAS CORP (KR)
International Classes:
B21D37/08; B21D22/21; B63B25/16; F17C3/02
Foreign References:
| KR100547988B1 | 2006-02-01 | |||
| KR101718911B1 | 2017-03-22 | |||
| KR20150028498A | 2015-03-16 | |||
| KR20140065612A | 2014-05-30 | |||
| KR101669532B1 | 2016-10-26 |
Attorney, Agent or Firm:
AIP PATENT & LAW FIRM (KR)
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