Spark plug and method for assembling a spark plug

Details Spark plug and method for assembling a spark plug Spark plug and method for assembling a spark plug

1990-10-29

1992-10-27

O'Shea, Sandra L.

Electric lamp and discharge devices

Spark plugs

Particular electrode structure or spacing

445 7, H01T 1320, H01T 1334

Patent

active

051592339

ABSTRACT:
A spark plug (20, 66) which includes a shell (22) having a ground electrode (24) formed integrally therewith into a predetermined final configuration, an annular insulator (34) with a bore (37) extending therethrough, and an electrode (48) positioned within the bore. The insulator is positioned within the opening of the shell by a press fit operation, and the electrode is also positioned within the bore of the insulator by a press fit method.

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patent: 4871339 (1989-10-01), Sadegh
patent: 5022881 (1991-06-01), Nagy

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