Weld stud

Details Weld stud Weld stud

B - Operations, Transporting

23

K

85/112

B23K 9/20 (2006.01) B23K 35/02 (2006.01) F16B 37/14 (2006.01)

Patent

CA 1289785

ABSTRACT WELD STUD A weld stud having a cylindrical section permitting engagement by a stud welding gun, joined by a shoulder on to a threaded shank covered up to the shoulder by a cap nut made of plastics, wherein the cylindrical section changes through a chamfer into a shoulder and the cap nut is provided with a resilient lip, which stretches to cover the chamfer when the cap nut is brought into contact with the shoulder. The threaded shank may have a ridge close to the shoulder which engages in a corresponding annular recess inside the cap nut. The cap nut may have a coaxial, preferably conical, projection at its end opposite the lip.

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