Welding method and thermostat produced

Details Welding method and thermostat produced Welding method and thermostat produced

1982-09-20

1984-12-18

Envall, Jr., Roy N.

Electric heating

Metal heating

Wire, rod, or bar bonding

219118, 29840, B23K 1116

Patent

active

044892284

ABSTRACT:
A method of welding electrical contacts onto conductive bodies including engaging a surface of the contact with the conductive body and passing a welding current through a pair of spaced surface areas of the contact to provide weld action and wherein a rib portion between the pair of spaced areas retains unoxidized metal thereon to improve electrical contact properties of any article made and utilizing the contact and particularly the ribbed area thereof for make and break engagement with other members of an electric circuit.
A new control article is also provided wherein a contact therein has a raised center rib thereon for contacting an associated means for make and break circuit action, which contact is made from silver or silver alloy and has uncontaminated silver on the surface of the rib or center area of the contact.

REFERENCES:
patent: 2307579 (1943-01-01), Fluke
patent: 3918144 (1975-11-01), Mimata et al.
patent: 4139140 (1979-02-01), Stockel

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