Electric lamp or space discharge component or device manufacturi – Process – Spark plug or spark gap making
Patent
1988-08-19
1989-05-02
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
Spark plug or spark gap making
427 34, 427 37, H01T 2102
Patent
active
048264628
ABSTRACT:
An improved method for manufacturing a spark plug electrode having a substrate formed from a first metal and a spark gap surface area formed from a second metal, such as a precious metal. The spark gap surface area is formed by heating the portion of the first metal at which the spark gap surface is to be formed with a plasma arc and applying the second metal as a consumable welding electrode, cooling the first metal and the applied second metal, and, optionally, shaping the second metal to form a desired surface configuration.
REFERENCES:
patent: 3075066 (1963-01-01), Yenni et al.
patent: 3268701 (1966-08-01), La Plante et al.
patent: 3673452 (1972-06-01), Brennen
patent: 3854067 (1974-12-01), Morgan
patent: 4122366 (1978-10-01), von Stutterheim
patent: 4699600 (1987-10-01), Kondo
patent: 4705486 (1987-11-01), Myers et al.
Champion Spark Plug Company
Ramsey Kenneth J.
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