Title:
MOLDED ARTICLE FOR ULTRAHIGH STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/128391
Kind Code:
A1
Abstract:
A molded article for an ultrahigh strength steel sheet according to the present invention comprises: a body portion formed of an ultrahigh strength steel sheet; a through-hole portion forming a hole in the body portion; and a molding improving part which is coupled to the through-hole portion and is formed of a material having a higher elongation than that of the body portion.
Inventors:
CHUNG WOO YOUNG (KR)
LEE HYUN CHUL (KR)
LEE HYUN CHUL (KR)
Application Number:
PCT/KR2018/000128
Publication Date:
July 12, 2018
Filing Date:
January 03, 2018
Export Citation:
Assignee:
KOREA AUTOMOTIVE TECH INST (KR)
International Classes:
B21D35/00; B21D22/02; B21D39/00; B23K26/21; B23K26/38; B23K103/18
Foreign References:
| KR20160042757A | 2016-04-20 | |||
| KR820001925B1 | 1982-10-20 | |||
| KR101484400B1 | 2015-01-19 | |||
| KR20160021045A | 2016-02-24 | |||
| KR20120059891A | 2012-06-11 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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