Method for manufacturing a spark plug electrode

Electric lamp or space discharge component or device manufacturi – Process – Spark plug or spark gap making

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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.

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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.

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