×

Portable drawn arc stud welding apparatus and method providing high current output in short time intervals

  • US 6,713,708 B2
  • Filed: 03/01/2002
  • Issued: 03/30/2004
  • Est. Priority Date: 03/01/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A stud welder apparatus comprising:

  • a drawn arc stud applying device; and

    a drawn arc stud processing circuit that continuously measures the degree of melting off when making the stud and stops delivery of energy to the stud applying device if the melting off progress indicates that the stud will not receive sufficient energy at the end of the stud process in sufficient time that the stud process can be stopped before an unacceptable stud has been created by pulling back the stud before a molten stud has cooled down.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×