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. 01, 2011
Filed:
Dec. 10, 2004
Applicant:
Frank Drexler, Ortenberg, DE;
Inventor:
Frank Drexler, Ortenberg, DE;
Assignee:
Newfrey LLC, Newark, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described here is a method for pretreating the surfaces of weld parts of aluminum or alloys thereof, and weld parts produced with said method. Prior to welding, the weld parts are subjected to a treatment () in an acidic, aqueous solution, wherein the acidic, aqueous solution contains ions of the elements boron and/or silicon and/or titanium and/or zirconium and/or hafnium. The invention consists in that a polishing step () is carried out prior to the treatment in the acidic, aqueous solution to make for better sliding in a feed apparatus during the welding process.