H - Electricity – 01 – T
Patent
H - Electricity
01
T
123/206
H01T 13/00 (2006.01) H01T 13/20 (2006.01)
Patent
CA 1131521
N-28-21580M/YO/79 ABSTRACT OF THE DISCLOSURE A spark plug for an internal combustion engine with both sides of a surface, on a center electrode side, of an outer electrode and/or both side portions, on the top surface of the center electrode, form wedge-shaped projections. At least one surface having the wedge-shaped projection has no plane surface but is arcuate.
328559
Kawamura Kazumi
Nakamura Shuji
Yamada Shigeyasu
George H. Riches And Associates
Ngk Spark Plug Co. Ltd.
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