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:
Feb. 20, 2001
Filed:
Oct. 29, 1997
Applicant:
Inventors:
John M. Baumgarten, Novi, MI (US);
Romulo A. Prieto, Northville, MI (US);
Assignee:
Hayes Lemmerz International, Inc., Northville, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 2/216 ;
U.S. Cl.
CPC ...
B21D 2/216 ;
Abstract
An apparatus for spin forming two partial wheel rims including a mandrel having a first portion for spin forming a first partial wheel rim and second portion for spin forming a second partial wheel rim. The first and second portions of the mandrel have different shapes such that the first and second wheel rims have different shapes. The mandrel is mounted upon a spin forming machine and is utilized to spin form a hoop of metal into a double wheel rim which is split to form the two partial wheel rims.