Electric contact with base metal

Details Electric contact with base metal Electric contact with base metal

H - Electricity

01

H

306/350

H01H 1/02 (2006.01) H01H 1/06 (2006.01)

Patent

CA 2000110

ABSTRACT OF THE DISCLOSURE An electric contact with a base metal used as a switch wherein the non-welded peripheral portion of the contact is prevented from bow-like bonding and from peeling off. The electric contact with a base metal having a contact promoting shapeis is formed by die forging of a contact material joined to the base metal by resistance welding. The composite contact material is prepared by coating the core material of Ag-oxide contact material with non-oxide contact material. The side of the material in contact with the base metal is of non-oxide contact material. The contact material may be pressed to fill a groove preformed in the base metal, welded to protrusions preformed in the base metal, welded to the bottom of a cut preformed in the base metal, or welded to bottoms of recesses preformed in the base metal.

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