The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2019
Filed:
May. 17, 2016
Applicant:
Sungwoo Hitech Co., Ltd., Busan, KR;
Inventors:
Rae Hyeong Kim, Busan, KR;
Mun Yong Lee, Busan, KR;
Assignee:
SUNGWOO HITECH CO., LTD., Busan, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/02 (2006.01); B21D 22/20 (2006.01); B21D 26/021 (2011.01); B21D 26/055 (2011.01);
U.S. Cl.
CPC ...
B21D 22/022 (2013.01); B21D 22/208 (2013.01); B21D 26/021 (2013.01); B21D 26/055 (2013.01);
Abstract
A multi-forming method, wherein after a material which is heated to a warm-deformation condition in a mold is deformed to a maximum deformation depth through plastic deformation, and the deformed material which is heated to a super plasticity temperature is blow-formed by blowing gas to a final product shape, a product having a deep forming depth and complicated shape can be produced.