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:
Nov. 28, 2006
Filed:
Jul. 27, 2005
Applicants:
Kevin R. Marks, Durand, MI (US);
Michael L. Raby, Fenton, MI (US);
Inventors:
Kevin R. Marks, Durand, MI (US);
Michael L. Raby, Fenton, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/02 (2006.01); B21D 9/15 (2006.01); B23P 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydroform die tube holding assembly and method of using same includes at least one seal unit for sealing an end of a tube. The hydroformed die tube holding assembly also includes a seal unit elevator for attachment to a lower die half to operatively support the at least one seal unit. The hydroformed die tube holding assembly further includes at least one upper gas spring for attachment to an upper die half to engage, the seal unit elevator to drive the seal unit elevator downward prior to the upper die half engaging the tube.