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:
Nov. 03, 2015
Filed:
Apr. 11, 2013
Applicant:
Topre Corporation, Chuo-Ku, Tokyo, JP;
Inventor:
Naoya Yuasa, Kanagawa, JP;
Assignee:
Topre Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/02 (2006.01); B21D 22/04 (2006.01); B21D 43/00 (2006.01);
U.S. Cl.
CPC ...
B21D 22/022 (2013.01); B21D 22/04 (2013.01); B21D 43/003 (2013.01); Y10T 428/24281 (2015.01);
Abstract
Provided is a method of forming a hot press product, the method including: a positioning and placing step of positioning a material, which is heated, and placing the material on a mold through engagement between a positioning pin provided to the mold and a positioning hole provided in the material; and a pressing and hole expanding step of performing press forming on the material through use of the mold, and expanding the positioning hole through bulging of a peripheral part of the positioning hole of the material) when the press forming is performed.