Laser beam welding method and apparatus

  • US 20080245776A1
  • Filed: 04/30/2008
  • Published: 10/09/2008
  • Est. Priority Date: 04/27/2001
  • Status: Abandoned Application
First Claim
Patent Images

1. A method of welding overlapping ends of at least three sheets by applying laser beams thereto, comprising the steps of:

  • positioning and holding said sheets with a holding mechanism, and applying as many laser beams as the number of at least two interfaces provided by contacting surfaces of the sheets, substantially simultaneously to the interfaces thereby to weld the sheets to each other.

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