Patent ID: 8395071
Filing Date: 2013-03-12
Classification: B23K,C10M,C10N

Abstract:
1. A feeding lubricant for use on a welding electrode, the feeding lubricant consisting essentially of about 40 to 90 wt. % of at least one solid particulate lubricant selected from MoS 2 , WS 2 , ZnO, graphite and PTFE, up to 20 wt. % of at least one optional additional particulate lubricant ingredient, and at least one soap based lubricant in an amount sufficient so that (a) the maximum amount of force needed to drive a 1/16 inch (1.59 mm) diameter welding wire through a flexible supply sheath which is formed from a wire wound cylinder, which is 25 feet long and which is wrapped 1½ times around a 12 inch diameter mandrel is no greater than 22 pounds (˜98 Newtons), and (b) produces less than 4 milliliters H this amount of soap based lubricant being about 10 to 40 wt. %.