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. 03, 1998
Filed:
Oct. 25, 1996
Applicant:
Inventors:
Shunji Kobayashi, Okazaki, JP;
Isao Tanaka, Yokohama, JP;
Saburo Maruyama, Ayase, JP;
Kishiro Abe, Ayase, JP;
Assignee:
Topy Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B21H / ;
U.S. Cl.
CPC ...
29894325 ; 2989432 ; 29 907 ;
Abstract
In a method for producing a cast aluminum wheel, a cast aluminum wheel is produced, and then all of three strengthening processes are applied to the cast aluminum wheel. The three strengthening processes include forging a portion of the cast wheel between adjacent boltholes, burnishing a nut seat of the cast wheel, and shot blasting a hub coupling surface of the cast wheel.