Welding gun

Details Welding gun Welding gun

1977-08-17

1979-02-06

Maslousky, Paul E.

Expansible chamber devices

Moving cylinder

92165PR, 91207, F01B 1502

Patent

active

041378288

ABSTRACT:
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 movement 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.

REFERENCES:
patent: 786409 (1905-04-01), Coon
patent: 2505771 (1950-05-01), Hoar et al.
patent: 3477345 (1969-11-01), Johnson

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