Patent ID: 6220498
Filing Date: 2001-04-24
Classification: B23K

Abstract:
A portable unit for on-site welding of sections of coiled tubing comprising a container for carrying out welding operations therein, a tube clamping rig located inside said container and adapted to clamp two sections of tubing in abutting end to end relationship, and welding apparatus; said container having a roof, two opposing side walls and at least one door therein; wherein said tube clamping rig is adapted to hold and move a first one of said sections of tubing axially into abutting end to end relationship with a second one of said sections of tubing, and wherein said tube clamping rig comprises:a first moveable clamp assembly adapted to hold and move said first one of said sections of tubing axially into abutting end to end relationship with said second one of said sections of tubing; anda second clamp assembly adapted to hold said second section of tubing.