B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/110, 327/53
B23K 9/00 (2006.01)
Patent
CA 1256167
Abstract of the Disclosure In a MIG arc welding system, a cylindrical docking body having four utilities passages therethrough is mountable in a socket at the welding station. A posi- tioning ring on the body limits the depth of insertion in the socket. Input connectors at one end of the body accept incoming utilities such as consumable wire elec- trode, shielding gas, welding potential and cooling wa- ter. At the other end of the body, the passages for shielding gas and electrode wire communicate with an output fixture, which is internally threaded to receive a contact tip assembly. Plug-type water fittings on a nozzle assembly are receivable in receptacles in the docking body which communicate with the water pas- sages, actuator tips on the fittings actuating normally-closed, spring-biased check valves in the passages to prevent leakage of water from the docking body when the nozzle assembly is demounted. The nozzle assembly is held in place by a coupling nut threadedly engaged with the docking body. There are provided both a fixed-mount embodiment, wherein all utilities but the welding wire enter the docking body radially, and a remote or movable mount embodiment, wherein all utilities enter the docking body axially.
506506
Moerke Delford A.
Osler Hoskin & Harcourt Llp
LandOfFree
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