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:
Aug. 17, 1999
Filed:
Apr. 15, 1997
Applicant:
Inventors:
Norris L Hill, New Bloomfield, MO (US);
Thomas L Lisenbardt, Lohman, MO (US);
Kevin D Ronden, Meta, MO (US);
Assignee:
ABB Power T&D Company Inc., Raleigh, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228115 ; 228212 ; 2282351 ;
Abstract
A method and apparatus are disclosed for minimizing the distortion in cold pressure welding and producing a spot lap weld with a controlled thickness. A distortion control device is utilized which includes a cavity of predetermined depth and area adequate to receive the metal flow resulting from the spot lap weld to be formed.