Method of making a spark plug
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United States of America Patent
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Jan 8, 2013
Grant Date -
N/A
app pub date -
Dec 9, 2011
filing date -
Dec 9, 2011
priority date (Note) -
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Abstract
A method of making a spark plug includes providing a metal shell, an insulator at least partially disposed in the metal shell, a ground electrode coupled to the metal shell, and a center electrode disposed within the insulator. The method also includes depositing a tip substance on the spark plug to form an electrode tip.
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