Method of making a spark-plug center electrode

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

1981-01-16

1983-10-18

Ramsey, K. J.

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

228155, H01T 2102

Patent

active

044103093

ABSTRACT:
A spark plug center electrode comprises a core of material having good thermal conductivity surrounded by a sheath of corrosion resisting material. During manufacture of the electrode, the core is joined to the sheath by means of a welded joint which extends only over the zone of the inner basal surface of the sheath part.

REFERENCES:
patent: 2784297 (1957-03-01), Pityo
patent: 2955222 (1960-10-01), Beesch
patent: 3431614 (1969-03-01), Hallauer et al.
patent: 3857145 (1974-12-01), Yamaguchi et al.

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