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. 08, 2013
Filed:
Nov. 15, 2011
Applicants:
Scott M. Packer, Alpine, UT (US);
Jonathan A. Babb, West Jordan, UT (US);
Russell J Steel, Salem, UT (US);
Steve W. Larsen, Payson, UT (US);
Paul T. Higgins, Provo, UT (US);
Inventors:
Scott M. Packer, Alpine, UT (US);
Jonathan A. Babb, West Jordan, UT (US);
Russell J Steel, Salem, UT (US);
Steve W. Larsen, Payson, UT (US);
Paul T. Higgins, Provo, UT (US);
Assignee:
MegaStir Technologies LLC, Provo, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 5/22 (2006.01); B21B 25/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mandrel that provides a counter-force to the pressure exerted on the outside of a pipe or other arcuate surface by a friction stir welding tool, wherein the mandrel is expandable through the use of a wedge, and wherein the mandrel enables multiple friction stir welding heads to simultaneously perform welding on the arcuate surface.