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. 03, 2001
Filed:
Sep. 20, 1999
Applicant:
Inventor:
Richard Benjamin Freeman, Oxford, MI (US);
Assignee:
The Budd Company, Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 2/602 ;
U.S. Cl.
CPC ...
B21D 2/602 ;
Abstract
A hydroformed member having internal reinforcements and method of manufacturing the same. The method includes the steps of providing a die having a tooling cavity and a pair of opposing rams disposed in the tooling cavity. A tubular member is enclosed within the tooling cavity. The pair of opposing rams are then driven against opposing sides of the tubular member to form a pair of opposing indentations therein. While the rams remain in place, hydraulic fluid pressure is then applied within the tubular member causing the walls of the tubular member to closely conform to the shape of the tooling cavity and the pair of opposing rams.