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:
Apr. 22, 2008
Filed:
Mar. 23, 2007
Mike M. Ghiran, Lake Orion, MI (US);
Paul D. Larsen, Fenton, MI (US);
David R. Jensen, Swartz Creek, MI (US);
Gerry A. Harmon, Clawson, MI (US);
Sanjay M. Shah, Troy, MI (US);
Terry A. Kent, East China, MI (US);
Mike M. Ghiran, Lake Orion, MI (US);
Paul D. Larsen, Fenton, MI (US);
David R. Jensen, Swartz Creek, MI (US);
Gerry A. Harmon, Clawson, MI (US);
Sanjay M. Shah, Troy, MI (US);
Terry A. Kent, East China, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
An apparatus and method for hydroshearing and hydrotrimming for a hydroforming die includes a cutting insert fixed relative to the hydroforming die. The apparatus and method also includes a disposable insert fixed relative to the hydroforming die. The apparatus and method further includes a plunger movable relative to the hydroforming die to allow fluid within a tubular member to force a wall portion of the tubular member outward against the plunger and be sheared in the hydroforming die to trim the tubular member.