Extrusion molded electrode formed as compound body and a method

Details Extrusion molded electrode formed as compound body and a method Extrusion molded electrode formed as compound body and a method

1994-08-29

1996-09-03

Bradley, P. Austin

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

72258, H01T 2102

Patent

active

055519024

ABSTRACT:
A compound electrode, in particular an electrode for a spark plug, has a core composed of a first electrically conductive material, and a casing deformed to surround the core and composed of a second electrically conductive material. The casing is formed in a single extrusion molding step that also shapes the core and simultaneously forms the cross-sectional profile of the electrode.

REFERENCES:
patent: 3803892 (1974-04-01), Yamaguchi et al.
patent: 4314392 (1982-02-01), Waite et al.
patent: 4526551 (1985-07-01), Hoffmanner et al.
patent: 4575343 (1986-03-01), Kin et al.
patent: 5310373 (1994-05-01), Treiber et al.

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