GB233325A - Improvements in or relating to spark plugs - Google Patents

Improvements in or relating to spark plugs

Info

Publication number
GB233325A
GB233325A GB9704/25A GB970425A GB233325A GB 233325 A GB233325 A GB 233325A GB 9704/25 A GB9704/25 A GB 9704/25A GB 970425 A GB970425 A GB 970425A GB 233325 A GB233325 A GB 233325A
Authority
GB
United Kingdom
Prior art keywords
relating
spark plugs
casing
edges
transverse
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB9704/25A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB233325A publication Critical patent/GB233325A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
    • H01T13/28—Sparking plugs characterised by features of the electrodes or insulation having spherically shaped electrodes, e.g. ball-shaped

Landscapes

  • Spark Plugs (AREA)

Abstract

233,325. Macdonald, M. F. May 1, 1924, [Convention date]. Sparking-plugs. - The inner end of the plug casing is formed with an extension 15 having openings 16, the edges of which are flared outwardly. The terminal of the central electrode is spherical. According to the Specification as open to inspection under Sect. 91 (3) (a), a. transverse bar or a serrated disc may be used. Instead of sparks passing directly from the sphere to the casing, terminals may project from both these parts, the adjacent edges being transverse to each other. This subject-matter does not appear in the Specification as accepted.
GB9704/25A 1924-05-01 1925-04-14 Improvements in or relating to spark plugs Expired GB233325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US233325XA 1924-05-01 1924-05-01

Publications (1)

Publication Number Publication Date
GB233325A true GB233325A (en) 1925-10-29

Family

ID=21814477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704/25A Expired GB233325A (en) 1924-05-01 1925-04-14 Improvements in or relating to spark plugs

Country Status (1)

Country Link
GB (1) GB233325A (en)

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