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:
Jun. 15, 2004
Filed:
Feb. 28, 2003
Applicant:
Inventors:
Tetsuya Ooyauchi, Kanagawa, JP;
Masayuki Okano, Tokyo, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B21D 5/110 ; B21C 1/00 ;
U.S. Cl.
CPC ...
B21D 5/110 ; B21C 1/00 ;
Abstract
A metal tubular body of small diameter having a varying wall thickness is provided. The tubular body has a minimum inner diameter of up to 2 mm and a maximum wall thickness of up to 0.5 mm, and the wall thickness varies along its longitudinal axis.