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:
Oct. 23, 2007
Filed:
Dec. 27, 2005
Nelson Wagner, Holland, OH (US);
Jeffrey A. Dutkiewicz, Toledo, OH (US);
Nelson Wagner, Holland, OH (US);
Jeffrey A. Dutkiewicz, Toledo, OH (US);
Torque-Traction Technologies LLC, Maumee, OH (US);
Abstract
An apparatus and method for performing a hydroforming process cause either or both of the opposed end portions of the workpiece to be deformed to achieve desired shapes therein. Initially, a workpiece having a pair of end portions is disposed within a die cavity defined by first and second die sections have cooperating recesses. A pair of end feed assemblies engage the end portions of the workpiece and deform such end portions to a desired shape. Pressurized fluid is provided within the workpiece either before, during, or after the deformation of the end portions of the workpiece to deform the central portion thereof it into a desired shape as defined by the die cavity.