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:
May. 30, 2000
Filed:
Dec. 23, 1998
Applicant:
Inventors:
Peter Amborn, D-53819 Neunkirchen, DE;
Alexander Mark Duff, Telford, GB;
Assignees:
GKN Sankey, , GB;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D / ;
U.S. Cl.
CPC ...
72 58 ; 72709 ; 294211 ;
Abstract
A hydroforming process for forming a component from an elongate tubular blank comprised of a deformable metal, the process including placing the blank in a die and sealing opposed ends of the tubular blank, heating the blank to a predetermined deformation temperature which is greater than 350.degree. C. but less than the melting point of the metal, supplying a gas at a predetermined pressure to the interior of the sealed tubular blank to cause deformation of said tubular blank at predetermined regions by drawing/stretching of the metal.