Welding gun

Details Welding gun Welding gun

B - Operations, Transporting

23

K

121/74, 327/93

B23K 28/00 (2006.01) B23K 11/31 (2006.01) F15B 11/036 (2006.01)

Patent

CA 1086186

ABSTRACT OF THE DISCLOSURE A triple action welding gun for welding airport runway concrete reinforcing mesh or the like comprising an outer cylinder, an inner cylinder, a shaft and radially extending piston means operable between the inner and outer cylinders for providing a plurality of separate pressure chambers between the inner and outer cylinders, and means for passing into and exhausting from the pressure chambers a pressure medium to produce relative axial move- ment between the inner and outer cylinders wherein extension of the welding gun is accomplished at a particularly high pressure for cylinders of predetermined diameter to facilitate welding of large diameter reinforcing rods.

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