Spark plug electrodes

Details Spark plug electrodes Spark plug electrodes

H - Electricity

01

T

H01T 13/39 (2006.01)

Patent

CA 2129285

SPARK PLUG ELECTRODES The present invention relates to a spark plug electrode (14) of a first material having good thermal conductivity having a core (24) of a second material having good corrosion resistance. The first material may be copper, or a copper alloy, and the second material may be nickel, a nickel alloy, silver, or a silver alloy. The electrode (14) may be produced by a method comprising the steps of: providing a tubular cup (28) formed of the first material; positioning a billet (34) of the second material within the cup (28): and extruding the assembled cup and billet.

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