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:
Dec. 02, 2014
Filed:
Jun. 18, 2008
Applicants:
J. Ben Schaeffer, Lakewood, OH (US);
Boris Kahn, Beachwood, OH (US);
Inventors:
J. Ben Schaeffer, Lakewood, OH (US);
Boris Kahn, Beachwood, OH (US);
Assignee:
Lincoln Global, Inc., City of Industry, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 35/02 (2006.01); B23K 35/36 (2006.01); B23K 9/18 (2006.01);
U.S. Cl.
CPC ...
B23K 9/186 (2013.01); B23K 2201/32 (2013.01); B23K 35/36 (2013.01); B23K 35/0211 (2013.01);
Abstract
The copper cladding normally applied to the surfaces of a submerged arc welding wire for preventing weld gun contact tip abrasive wear is replaced with a solid lubricant. This eliminates copper contamination of the weld from the copper cladding while preserving the useful life of the contact tip.