B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/64
B23K 9/12 (2006.01)
Patent
CA 1206211
ABSTRACT A guide tube for guiding a wire of filler metal in an arc welding machine and optionally for applying current thereto. The tube has a metal body with a longitudinal bore through which the wire passes. Near the front of the tube there is play take up means in the form of two balls lodged in transverse passages through the tube wall. The balls are urged into the bore by conical springs which can be compressed into the form of a spiral and therefore take up so little room as to enable a sheath to be fitted over the body. An end piece projects from the front of the guide tube. It is held in place by a rim of the sheath and both the sheath and the end piece are made of refractory material to protect the guide tube. This helps to prevent the tuba becoming clogged in operation, since the splashes of molten metal do not adhere to the refractory material.
418145
Dunsmuir George H.
Prunier Robert
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