IT1170731B - IMPROVEMENT IN THE PRODUCTION METHODS OF A CENTRAL COMPOSITE ELECTRODE OF A SPARK IGNITION CANDLE FOR MOTOR VEHICLES - Google Patents

IMPROVEMENT IN THE PRODUCTION METHODS OF A CENTRAL COMPOSITE ELECTRODE OF A SPARK IGNITION CANDLE FOR MOTOR VEHICLES

Info

Publication number
IT1170731B
IT1170731B IT47833/81A IT4783381A IT1170731B IT 1170731 B IT1170731 B IT 1170731B IT 47833/81 A IT47833/81 A IT 47833/81A IT 4783381 A IT4783381 A IT 4783381A IT 1170731 B IT1170731 B IT 1170731B
Authority
IT
Italy
Prior art keywords
improvement
motor vehicles
production methods
spark ignition
composite electrode
Prior art date
Application number
IT47833/81A
Other languages
Italian (it)
Other versions
IT8147833A0 (en
Inventor
Dieter Path
Paul Biesenkamp
Original Assignee
Champion Spark Plug Co
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 Champion Spark Plug Co filed Critical Champion Spark Plug Co
Publication of IT8147833A0 publication Critical patent/IT8147833A0/en
Application granted granted Critical
Publication of IT1170731B publication Critical patent/IT1170731B/en

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)
  • Forging (AREA)
  • Spark Plugs (AREA)
IT47833/81A 1980-02-19 1981-02-18 IMPROVEMENT IN THE PRODUCTION METHODS OF A CENTRAL COMPOSITE ELECTRODE OF A SPARK IGNITION CANDLE FOR MOTOR VEHICLES IT1170731B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12220780A 1980-02-19 1980-02-19

Publications (2)

Publication Number Publication Date
IT8147833A0 IT8147833A0 (en) 1981-02-18
IT1170731B true IT1170731B (en) 1987-06-03

Family

ID=22401332

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47833/81A IT1170731B (en) 1980-02-19 1981-02-18 IMPROVEMENT IN THE PRODUCTION METHODS OF A CENTRAL COMPOSITE ELECTRODE OF A SPARK IGNITION CANDLE FOR MOTOR VEHICLES

Country Status (5)

Country Link
JP (1) JPS56134035A (en)
BE (1) BE887567A (en)
FR (1) FR2476401A1 (en)
GB (1) GB2069378B (en)
IT (1) IT1170731B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP4220218B2 (en) * 2002-10-25 2009-02-04 株式会社デンソー Manufacturing method of center electrode for spark plug

Also Published As

Publication number Publication date
FR2476401A1 (en) 1981-08-21
GB2069378B (en) 1983-03-23
IT8147833A0 (en) 1981-02-18
JPS56134035A (en) 1981-10-20
GB2069378A (en) 1981-08-26
BE887567A (en) 1981-06-15

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