Patent ID: 7818857
Filing Date: 2010-10-26
Classification: B23P,F16L,Y10T

Abstract:
1. A tube joining device for forming a continuous tubular loop comprising, a support frame having multiple tube engagement jaw assemblies movably positioned thereon, a tube plug holder selectively positioned in spaced aligned position between said jaw assemblies, a tube engagement jig formed by said respective jaw assemblies and tube end guide plates for pre-positioning respective free ends of a tubular work piece to be joined, each of said jaw assemblies having a fixed and a vertically spaced parallel aligned movable jaw, pneumatic piston and cylinder assemblies activating said respective movable jaws for closure on the respective ends of said tubular loop work piece, secondary pneumatic and piston cylinder assemblies for advancing said closed jaw assembly simultaneously towards said tube plug holder, said closed jaw assemblies axially aligning said respective tubular work piece for integral partial insertion on a tube plug within said tube plug holder, a pneumatic piston assembly for removably positioning said tubular plug holder from between said movable jaw assemblies.