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Apparatus for welding pipes

  • US 3,102,187 A
  • Filed: 11/14/1960
  • Issued: 08/27/1963
  • Est. Priority Date: 11/14/1960
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR WELDING PIPE COMPRISING ANNULAR SUPPORTING MEANS TO EXTEND AROUND A PIPE AT A JOINT BETWEEN TWO PIPE SECTIONS, A CARRIAGE CARRIED BY THE SUPPORTING MEANS AND HELD THEREBY AGAINST THE PIPE, POWER MEANS ON THE CARRIAGE TO MOVE IT AROUND THE PIPE IN REGISTRATION WITH THE JOINT, A WELDING GUN CARRIED BY THE CARRIAGE INCLUDING A NOZZLE ALIGNED WITH THE JOINT BETWEEN THE PIPE SECTIONS, MEANS TO FEED A WELDING ROD THROUGH THE NOZZLE,

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