A spacing and arc-shielding sleeve for automatic stud welding machines and manually operated stud welding guns

摘要

1,100,772. Welding by pressure. L. & C. STEINMULLER G.m.b.H. 21 Jan., 1966 [1 Feb., 1965], No. 2884/66. Heading B3R. An automatic or manual arc stud welding machine for welding studs to a tube has a spacing and arc shielding sleeve consisting of two parts 1, 2 of like external diameter the one part 2 having one end for engaging the tube formed with arcuate recesses 6 and another end of reduced diameter to fit in the other part 1. The one part 2 has holes 4, 5. The recesses 6 allow studs to be welded at a closer peripheral spacing.