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. 21, 2006
Filed:
Mar. 24, 2003
Applicants:
Shigeki Narushima, Yokosuka, JP;
Kenichi Ide, Yokohama, JP;
Yasushi Dodo, Kouza-gun, JP;
Inventors:
Assignees:
Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo, JP;
NKK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A materialto be shaped is reduced and formed by bringing dies with convex forming surfaces, when viewed from the side of the transfer line of the material, close to the transfer line from above and below the material, in synchronism with each other, while giving the dies a swinging motion in such a manner that the portions of the forming surfaces of the dies, in contact with the material, are transferred from the upstream to the downstream side in the direction of the transfer line.