Improvements in and relating to the manufacture of spark plugs

  • Inventors:
  • Assignees: Justin Erwin Pollak
  • Publication Date: September 17, 1940
  • Publication Number: GB-526347-A


526,347. Alloys. POLLAK. J. E. (Richardson, H. A). March 14, 1939, No. 8125. [Class 82 (i)] Sparking plug electrodes are made from an iron alloy containing 10-30 per cent. of chromium and 1 - 10 per cent. of silicon, particularly 25 per cent. of chromium and 2 per cent. of silicon. The carbon content is preferably below 0.1 per cent.




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Cited By (1)

    Publication numberPublication dateAssigneeTitle
    US-3146370-AAugust 25, 1964Gen Motors CorpSpark plug with improved electrode