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:
Nov. 12, 2002
Filed:
Sep. 05, 2000
Applicant:
Inventor:
Antonio Tagliavini, Bologna, IT;
Assignee:
ADA Applicazioni Digitali E Analogiche S.r.l., Bologna, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 1/125 ;
U.S. Cl.
CPC ...
B23K 1/125 ;
Abstract
A method for quality control of spot welding in a welding machine, consisting in estimating the energy of the welding spot through the integral of the welding power, the integration extremes of which are determined by the time interval between two successive zero crossings of the welding current.