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:
Jan. 10, 2006
Filed:
Nov. 20, 2002
Applicant:
David Mayfield, South Bend, IN (US);
Inventor:
David Mayfield, South Bend, IN (US);
Assignee:
Hess Engineering, Inc., Niles, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 22/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and process is disclosed for spinning circumferential articles with constant length end surfaces. The article is first spun to define the circumferential surface, and a mandrel is then introduced, whereby the mandrel has a shoulder positionable adjacent to the end surfaces. The end surfaces, while supported by the mandrel, are further spun, and the material is flow formed into the shoulder, to define a constant and defined length to the article.