Electrode holder for welding tongs with adjustable arms, each with retaining block with cooling ducts connected to cooling ducts in sheet that holds electrode with work face at one end

摘要

Electrode holder (10) for welding tongs (5) with adjustable arms (A), each containing retaining block (12) with cooling ducts coupled to cooling ducts in shaft (15). Shaft holds electrode (20) with work face (22) at its end.Shaft comprises guide section in which electrode is controllably slidable. Preferably, guide section is so shaped that slide electrode is guided in it without twisting freedom. Further details are specified. Independent claims are included for electrode suitable for invented holder.