Patent · US Expired

Welding apparatus

US6854632B1 · kind B1 · utility

22Cited by
9References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 15, 1998
Grant dateFeb 15, 2005
Priority date
Expiry dateDec 15, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K26/0853
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a welding apparatus comprising a welding unit, a work-table for supporting the workpieces to be welded, and the clamping means for clamping the workpieces to the work-table in the direction towards one another during the welding operation. The welding unit comprises a friction stir welding head and a fusion welding head.

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