Method of making a spark plug electrode

Details Method of making a spark plug electrode Method of making a spark plug electrode

1979-12-05

1982-02-09

McQuade, John

Metal working

Barrier layer or semiconductor device making

Barrier layer device making

313141, H01T 1320

Patent

active

043143920

ABSTRACT:
A method of making a center electrode for a spark plug comprising uniting together, by heating and without the use of brazing materials, slugs of copper and nickel alloy and then extruding the united slugs to form a central electrode having a copper core and a nickel alloy sheath.

REFERENCES:
patent: 2955222 (1960-10-01), Beesch
patent: 3803892 (1974-04-01), Yamaguchi et al.
patent: 3857145 (1974-12-01), Yamaguchi et al.

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