Importance

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Abstract

A liquid cooled welding gun assembly is adapted to be operatively connected to a power, gas, and weld wire feed mechanism through a cable assembly and a connector assembly. The welding gun assembly includes a front connector block and the connector assembly includes a rear connector block. Power, gas and cooling liquid hoses are contained within the cable assembly and intercommunicate the connector block of the welding gun assembly with the rear connector block. The welding gun assembly includes a liquid cooled nozzle assembly. In an alternative embodiment, a nozzle of the nozzle assembly has an internal cooling passage therein. The nozzle assembly includes alternative diffusers having longitudinally directed gas flow passages therein. A hose coupling assembly is provided for facilitating connecting and disconnecting the various power, gas and liquid hoses from the conductor blocks. In an alternate embodiment, the connector block is replaced by a robotic body and a robotic conductor tube assembly is attached thereto for robotic welding.

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First Claim