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:
Mar. 14, 2017
Filed:
Dec. 25, 2013
Applicant:
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Inventors:
Assignee:
NISSAN MOTOR CO., LTD., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 35/00 (2006.01); B23K 31/02 (2006.01); B21D 22/20 (2006.01); B21D 22/26 (2006.01); B21D 24/16 (2006.01); B21D 22/22 (2006.01);
U.S. Cl.
CPC ...
B21D 35/002 (2013.01); B21D 22/20 (2013.01); B21D 22/22 (2013.01); B21D 22/26 (2013.01); B21D 24/16 (2013.01); B23K 31/02 (2013.01);
Abstract
A draw bead is formed in a plate-shaped material in which a drawn portion is formed, outside the drawn portion, the draw bead being used to adjust an inflow of the plate-shaped material into a drawing die. The drawn portion is drawn in the plate-shaped material by using the draw bead as formed. The draw bead is crushed and flattened after the drawn portion is drawn.