Spark plug and method for manufacturing the same

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

2011-03-29

2011-03-29

Patel, Nimeshkumar D (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

C313S118000

Reexamination Certificate

active

07914353

ABSTRACT:
A method for manufacturing a spark plug and a spark plug manufactured by the method in which a gasket used for securing the air-tightness when mounting the spark plug on an internal-combustion engine is prevented from falling out from the metal shell with a simple step.

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European Search Report, mailed on May 8, 2008, from corresponding European Patent Application No. 08102071.1; 6 pages.

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