Method for fabricating a watch case

Details Method for fabricating a watch case Method for fabricating a watch case

1981-04-17

1983-05-03

Truhe, J. V.

Electric heating

Metal heating

By arc

219 85CM, 219 93, 228175, 228214, 368276, 368294, B23K 902, B23K 904

Patent

active

043821723

ABSTRACT:
A method for fabricating a watch case comprising the steps of placing contact points of a bezel and a watch body to face to each other, applying pressure to said contact points through electrodes, and applying pulse current to said electrodes until said contact points get molten. The pulse current will allow the bezel and the body except the contact points to cool down during its intervals. Therefore, this method does not require a water-cooling system as required by conventional methods.

REFERENCES:
patent: 2625450 (1953-01-01), Ringsmith
patent: 3156086 (1961-09-01), Egger

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