Patent · US Expired

Gas pressure welding machine

US4576324A · kind A · utility

3Cited by
10References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 23, 1985
Grant dateMar 18, 1986
Priority date
Expiry dateJan 23, 2005

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K37/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A gas pressure welding machine comprises a movable clamp means for clamping one of reinforcing rods to be joined together, a stationary clamp means for clamping the other reinforcing rod, a punching die for punching-shearing a bulge being formed around a joint portion of the reinforcing rods, and a key connection mechanism for detachably connecting the movable clamp means and the punching die, whereby the reinforcing rods are subjected to pressure butt welding to form a bulge around a joint portion thereof and the bulge is immediately punching-sheared under red heat by the punching die.

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