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:
Jan. 13, 1987
Filed:
Oct. 18, 1985
Applicant:
Inventors:
Assignees:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912402 ; 21913051 ; 219136 ;
Abstract
A feed length control device for a consumable electrode type welding machine in which the feed length of the electrode is made constant, making the resulting welds satisfactory and with a deep weld penetration. In accordance with the invention, the start of feed length control is delayed for a predetermined period of time from the time instant when the welding current value changes from the peak set value to the base set value.