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:
Aug. 10, 2004
Filed:
May. 24, 2002
Applicant:
Inventors:
Nobuyuki Hagiwara, Kanagawa, JP;
Shoji Horike, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 1/00 ;
U.S. Cl.
CPC ...
B21B 1/00 ;
Abstract
When a shape of the cylindrical portion ( ) to be formed into the calking portion ( ) is devised and when a sectional shape of the annular recess portion ( ) of the die ( ) for plastically deforming the cylindrical portion ( ) is devised, the calking portion ( ) is continuously given a compressive average stress during the process of working.
Hagiwara, Nobuyuki. (2004). Method of manufacturing hub unit for supporting wheel and die for manufacturing the same (U.S. Patent No. 6772615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6772615
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile