Patent · US Expired

Method of welding utilizing both consumable and non-consumable electrodes

US4291220A · kind A · utility

4Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1979
Grant dateSep 22, 1981
Priority date
Expiry dateDec 12, 1999

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K9/1735
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method of welding utilizing consumable and non-consumable electrodes blanketed with inert gas to weld with a minimal amount or no preheating.

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