Patent · US Expired

Plasma powder welding device and its welding method

US6987236B2 · kind B2 · utility

0Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 2004
Grant dateJan 17, 2006
Priority date
Expiry dateMay 2, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05H1/42
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A plasma powder welding device in this invention comprises a powder having an identical kind of main component as that of a work piece, a feeder feeding the powder to the work piece, a welding torch generating a plasma between itself and the work piece for focusing the powder fed by the feeder on the work piece and transferring the powder to the work piece, and a power source supplying an electric power to the welding torch, wherein a distance from the welding torch to a focal point to which the powder is focused is set nearly equal to or more than the height of the torch.

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