Patent · US Expired

Apparatus for arc welding or plasma cutting

US4280041A · kind A · utility

93Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 7, 1978
Grant dateJul 21, 1981
Priority date
Expiry dateSep 7, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K9/1006
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An arc welding or plasma cutting apparatus has a current source as well as a set of controls for the welding or cutting process and includes a diagnosis apparatus which can be hooked up to the current source and/or the controls.

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