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.

Date of Patent:
Oct. 06, 2009

Filed:

Dec. 27, 2005
Applicants:

Shizuo Kimura, Tochigi, JP;

Shiro Kamiyama, Tochigi, JP;

Kensaku Fujita, Tochigi, JP;

Inventors:

Shizuo Kimura, Tochigi, JP;

Shiro Kamiyama, Tochigi, JP;

Kensaku Fujita, Tochigi, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 22/00 (2006.01); B21D 22/21 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for forming a container half () from a coated steel sheet () is provided. Because a first planar part () at an outer peripheral part of a first formed body () provided through a first drawing step is held by a blank holder () during its bending to provide an L-shaped cross-section part () in a second drawing step, no wrinkles will develop at a vertical part (). Because an unnecessary outer part () of a flange part () is cut off in a trimming step, the width of the flange part is narrowed. By virtue of the narrowed width, no wrinkles will develop during bending of the flange part.


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