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:
Dec. 15, 2015
Filed:
Nov. 24, 2011
Yasuharu Tanaka, Tokyo, JP;
Takashi Miyagi, Tokyo, JP;
Misao Ogawa, Tokyo, JP;
Shigeru Uchiyama, Tokyo, JP;
Takatoshi Sasahara, Hamatsu, JP;
Yasuharu Tanaka, Tokyo, JP;
Takashi Miyagi, Tokyo, JP;
Misao Ogawa, Tokyo, JP;
Shigeru Uchiyama, Tokyo, JP;
Takatoshi Sasahara, Hamatsu, JP;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
A method of producing an L-shaped product () which includes an L-shaped flat top wall (), an inside wall () extending and connected along an inside edge () of the top wall, and an outside wall () extending and connected along an outside edge () of the top wall, each of the inside and outside walls being terminated by flange () substantially parallel to the top wall, is disclosed. The method comprises the steps of: providing sheet metal material; providing a drawing die assembly; and stamping the sheet metal material by the drawing die assembly to produce an intermediate product. The method further comprises the steps of: providing a bending die assembly; and stamping the intermediate product by the bending die assembly to produce an L-shaped product completed.