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:
Apr. 14, 1987
Filed:
Jan. 21, 1986
Applicant:
Inventor:
Floyd M Thompson, Spring, TX (US);
Assignee:
CRC-Evans Pipeline International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912512 ; 21912422 ; 21912434 ;
Abstract
This invention relates to automatic welding of confronting edges of two bodies between which is a groove to be filled with a material and, more particularly, to conditioning, processing and use of control signals representative of an integration of the absolute product of the differences between the arc voltage at the sidewall and the centerline arc voltage and the arc current at the sidewall and the centerline current for an integration window near the sidewall for automatic reversal of the traversing welding torch. 3