Title:
METHOD FOR MANUFACTURING MOLDED PARTS
Document Type and Number:
WIPO Patent Application WO/2023/121042
Kind Code:
A1
Abstract:
The present invention provides a method for manufacturing molded parts, the method being characterized by comprising: a first molding step for molding a base material to form a first molded part including a first upper flange and a pair of first web members extending in intersecting directions from the left and right ends of the first upper flange; and a second molding step for compressing the first molded part to form a second molded part including a second upper flange and a pair of second web members extending in intersecting directions from the left and right ends of the second upper flange, wherein, in a width direction cross section, the first upper flange is longer than the second upper flange and the first web members are longer than the second web members.
Inventors:
OH KYUNG-SEOK (KR)
Application Number:
PCT/KR2022/019355
Publication Date:
June 29, 2023
Filing Date:
December 01, 2022
Export Citation:
Assignee:
POSCO CO LTD (KR)
International Classes:
B21D17/02; B21D13/02; B21D22/24; B21D53/88
Foreign References:
| KR101277939B1 | 2013-06-27 | |||
| KR20190113779A | 2019-10-08 | |||
| JP2005103613A | 2005-04-21 | |||
| KR20180069333A | 2018-06-25 | |||
| JP2006305627A | 2006-11-09 | |||
| US9718113B2 | 2017-08-01 |
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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