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Title:
REINFORCING MEMBER FOR COLD FORMING AND PARTS MANUFACTURED USING SAME
Document Type and Number:
WIPO Patent Application WO/2021/096229
Kind Code:
A1
Abstract:
A reinforcing member for cold forming according to an embodiment comprises: a blank member; and a reinforcing patch member provided to cover at least a portion of the blank member and coupled to the blank member by a plurality of welded portions, wherein the entire region of a heat-affected zone formed around the welded portions in the blank member is positioned in a region corresponding to the reinforcing patch member, and a heat-affected zone formed around a first welded portion from among the welded portions may contact the central point of a second welded portion adjacent to the first welded portion or may be formed to be spaced apart from the central point of the second welded portion.

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Inventors:
OH KYUNG-SEOK (KR)
Application Number:
PCT/KR2020/015819
Publication Date:
May 20, 2021
Filing Date:
November 13, 2020
Export Citation:
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Assignee:
POSCO (KR)
International Classes:
B23K11/00; B21D22/00; B62D21/02; B62D21/15; B62D25/04; B62D25/20
Foreign References:
JP2014015206A2014-01-30
JP6451327B22019-01-16
JP2000197969A2000-07-18
KR20070013387A2007-01-31
KR101360661B12014-02-10
Other References:
See also references of EP 4059652A4
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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