Patent · US Active

Systems and methods to modify gas metal arc welding and its variants

US8563896B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Inventors

Yu Zhang · Shanghai, CN
Jinsong Chen · 安丰镇, CN

Key dates

Filing date	Aug 15, 2012
Grant date	Oct 22, 2013
Priority date	—
Expiry date	Aug 15, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K37/003
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A welding system and method includes a main torch including a main electrode configured to form a first arc with a base metal; a first bypass torch including a first bypass electrode configured to form a second arc with the main electrode; and a second bypass torch including a second bypass electrode configured to form a third arc with the main electrode.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.