Method and apparatus for forming a wheel nut with welded cap

Details Method and apparatus for forming a wheel nut with welded cap Method and apparatus for forming a wheel nut with welded cap

1976-07-30

1977-11-08

Combs, E. M.

10 86C, B21D 5324

Patent

active

040568628

ABSTRACT:
A stainless steel sheath for a wheel nut is welded to the nut body in limited areas by bringing electrodes into pressured contact with the conical nut end, which is unsheathed, and a section of the overlying the body. A capacitor then passes a short, low voltage, high current electric pulse through the electrodes to resistance weld the sheath to the body, beneath the sheath electrode without altering the metallurgy of the cap or the body.

REFERENCES:
patent: 407564 (1889-07-01), Baker
patent: 787578 (1905-04-01), Lambert
patent: 1727590 (1929-09-01), Ferry
patent: 1829972 (1931-11-01), Wiley
patent: 2050867 (1936-08-01), Teare
patent: 3364806 (1968-01-01), Chaivre
patent: 3955231 (1976-05-01), Erdmann

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