Spark plug and method for assembling a spark plug
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United States of America Patent
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Oct 27, 1992
Grant Date -
N/A
app pub date -
Oct 29, 1990
filing date -
Oct 29, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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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