Spark plug and method of manufacturing the same

Details Spark plug and method of manufacturing the same Spark plug and method of manufacturing the same

1993-06-09

1994-11-08

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

228160, H01T 1320

Patent

active

RE0347787

ABSTRACT:
A spark plug for internal combustion engines provided with a noble metal tip on the pointed top of a spark plug center electrode. The noble metal tip is welded to the center electrode top end by heating and pressing the portion to be welded. After the welding, the center electrode is shaped to provide the pointed top. The noble metal tip is a platinum alloy consisting of platinum of 85 through 70 in weight percentage and iridium of 15 through 30 in weight percentage.

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Illustrated Mechanical Term Dictionary.
Latest Mechanical Engineering.
Ishifuku Noble Metal Electrode.

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