JPS56920B2 - - Google Patents

Info

Publication number
JPS56920B2
JPS56920B2 JP3401372A JP3401372A JPS56920B2 JP S56920 B2 JPS56920 B2 JP S56920B2 JP 3401372 A JP3401372 A JP 3401372A JP 3401372 A JP3401372 A JP 3401372A JP S56920 B2 JPS56920 B2 JP S56920B2
Authority
JP
Japan
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
JP3401372A
Other languages
Japanese (ja)
Other versions
JPS4899530A (enrdf_load_stackoverflow
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 filed Critical
Priority to JP3401372A priority Critical patent/JPS56920B2/ja
Priority to US00341852A priority patent/US3818555A/en
Publication of JPS4899530A publication Critical patent/JPS4899530A/ja
Publication of JPS56920B2 publication Critical patent/JPS56920B2/ja
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
    • H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
    • H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Spark Plugs (AREA)
JP3401372A 1972-04-04 1972-04-04 Expired JPS56920B2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3401372A JPS56920B2 (enrdf_load_stackoverflow) 1972-04-04 1972-04-04
US00341852A US3818555A (en) 1972-04-04 1973-03-16 Method of manufacturing central electrode for spark plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3401372A JPS56920B2 (enrdf_load_stackoverflow) 1972-04-04 1972-04-04

Publications (2)

Publication Number Publication Date
JPS4899530A JPS4899530A (enrdf_load_stackoverflow) 1973-12-17
JPS56920B2 true JPS56920B2 (enrdf_load_stackoverflow) 1981-01-10

Family

ID=12402519

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3401372A Expired JPS56920B2 (enrdf_load_stackoverflow) 1972-04-04 1972-04-04

Country Status (2)

Country Link
US (1) US3818555A (enrdf_load_stackoverflow)
JP (1) JPS56920B2 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868530A (en) * 1973-07-05 1975-02-25 Champion Spark Plug Co Spark plug
GB1514195A (en) * 1974-09-18 1978-06-14 Bosch Gmbh Robert Spark plug electrode
US4351095A (en) * 1977-12-12 1982-09-28 United Kingdom Atomic Energy Authority Method of making spark plugs
FR2412186A1 (fr) * 1977-12-19 1979-07-13 Atomic Energy Authority Uk Procede de realisation d'une electrode de bougie d'allumage
US4575343A (en) * 1980-04-09 1986-03-11 The National Machinery Company Bimetal electrode and method of making same
US4526551A (en) * 1980-05-30 1985-07-02 Champion Spark Plug Company Production of electrodes
GB2076706B (en) * 1980-05-30 1984-06-27 Champion Spark Plug Co Producing a composite center electrode
US4695759A (en) * 1981-10-29 1987-09-22 Champion Spark Plug Company Method for producing a composite center electrode and an electrode
US4684352A (en) * 1985-03-11 1987-08-04 Champion Spark Plug Company Method for producing a composite spark plug center electrode
US5675209A (en) * 1995-06-19 1997-10-07 Hoskins Manufacturing Company Electrode material for a spark plug
US9028289B2 (en) 2011-12-13 2015-05-12 Federal-Mogul Ignition Company Electron beam welded electrode for industrial spark plugs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945293A (en) * 1956-11-13 1960-07-19 George A Last Process for jacketing a core
US3119944A (en) * 1961-07-25 1964-01-28 Champion Spark Plug Co Spark plug electrode

Also Published As

Publication number Publication date
JPS4899530A (enrdf_load_stackoverflow) 1973-12-17
US3818555A (en) 1974-06-25

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