GB384358A - Improvements in sparking plugs and process of manufacturing same - Google Patents

Improvements in sparking plugs and process of manufacturing same

Info

Publication number
GB384358A
GB384358A GB23388/31A GB2338831A GB384358A GB 384358 A GB384358 A GB 384358A GB 23388/31 A GB23388/31 A GB 23388/31A GB 2338831 A GB2338831 A GB 2338831A GB 384358 A GB384358 A GB 384358A
Authority
GB
United Kingdom
Prior art keywords
casing
insulation
aug
boss
manufacturing same
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
GB23388/31A
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 GB384358A publication Critical patent/GB384358A/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
    • H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement

Landscapes

  • Spark Plugs (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

384,358. Sparking-plugs. EXCOFFIER, E., Chemin du Moulin, Sannois, Seine-et- Oise, France. Aug. 19, 1931, No. 23388. Convention date, Aug. 22, 1930. [Class 7 (iv).] The casing of aluminium, bronze or brass is cast around a metal liner 4 enclosing mica insulation. A boss 17 holds the terminal 8 and prevents the insulation &c. from falling into the cylinder if it becomes detached from the casing. A groove 19 may be brought into alignment with the boss for effecting removal. According to the Specification as open to inspection under Sect. 91 an analogous projection may be provided on a ring secured in the end of the casing. Porcelain-insulation may be used. This subject-matter does not appear in the Specification as accepted.
GB23388/31A 1930-08-22 1931-08-19 Improvements in sparking plugs and process of manufacturing same Expired GB384358A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR384358X 1930-08-22

Publications (1)

Publication Number Publication Date
GB384358A true GB384358A (en) 1932-12-08

Family

ID=8895582

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23388/31A Expired GB384358A (en) 1930-08-22 1931-08-19 Improvements in sparking plugs and process of manufacturing same

Country Status (1)

Country Link
GB (1) GB384358A (en)

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