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:
Feb. 10, 2004
Filed:
Sep. 09, 2002
Venkatasubramanian Ananthanarayanan, Beavercreek, OH (US);
Dharmendra M. Ramachandra, Centerville, OH (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
A method for metallurgically capping an end of a tube. A tube is obtained having a tube end portion and having a passageway which extends to the tube end portion A cap is obtained and positioned on the tube end portion covering the passageway. The tube end portion of the tube is folded around the cap creating an end portion fold while leaving a space within the fold. A resistance welding current path is created through the tube and the cap proximate the fold and the fold is moved deformingly against the cap creating a weld zone which includes at least some of the fold and at least some of the cap.