EP0054374A3 - Spark plug electrode and its method of manufacture - Google Patents

Spark plug electrode and its method of manufacture Download PDF

Info

Publication number
EP0054374A3
EP0054374A3 EP81305642A EP81305642A EP0054374A3 EP 0054374 A3 EP0054374 A3 EP 0054374A3 EP 81305642 A EP81305642 A EP 81305642A EP 81305642 A EP81305642 A EP 81305642A EP 0054374 A3 EP0054374 A3 EP 0054374A3
Authority
EP
European Patent Office
Prior art keywords
manufacture
spark plug
plug electrode
electrode
spark
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.)
Granted
Application number
EP81305642A
Other versions
EP0054374A2 (en
EP0054374B1 (en
Inventor
Kenneth Howard
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.)
FLOFORM LIMITED
Original Assignee
FLOFORM Ltd
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 FLOFORM Ltd filed Critical FLOFORM Ltd
Publication of EP0054374A2 publication Critical patent/EP0054374A2/en
Publication of EP0054374A3 publication Critical patent/EP0054374A3/en
Application granted granted Critical
Publication of EP0054374B1 publication Critical patent/EP0054374B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/22—Making metal-coated products; Making products from two or more metals
    • 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
    • H01T13/39—Selection of materials for electrodes
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Spark Plugs (AREA)
EP81305642A 1980-12-10 1981-11-27 Spark plug electrode and its method of manufacture Expired EP0054374B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8039567A GB2088753B (en) 1980-12-10 1980-12-10 Spark plug electrode
GB8039567 1980-12-10

Publications (3)

Publication Number Publication Date
EP0054374A2 EP0054374A2 (en) 1982-06-23
EP0054374A3 true EP0054374A3 (en) 1982-07-21
EP0054374B1 EP0054374B1 (en) 1985-03-13

Family

ID=10517887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81305642A Expired EP0054374B1 (en) 1980-12-10 1981-11-27 Spark plug electrode and its method of manufacture

Country Status (7)

Country Link
EP (1) EP0054374B1 (en)
AU (1) AU551102B2 (en)
CA (1) CA1203510A (en)
DE (1) DE3169299D1 (en)
GB (1) GB2088753B (en)
NZ (1) NZ199163A (en)
ZA (1) ZA818375B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684352A (en) * 1985-03-11 1987-08-04 Champion Spark Plug Company Method for producing a composite spark plug center electrode
CN108270149A (en) * 2016-12-30 2018-07-10 宁波卓然铱金科技有限公司 Central electrode manufacture nickel cup-copper core combination mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754591A (en) * 1953-06-06 1956-08-08 Bosch Gmbh Robert A method for the extrusion of rod-shaped or pin-shaped metal articles, particularly sparking plug electrodes
DE2238283A1 (en) * 1972-04-14 1973-10-25 Nippon Denso Co METHOD OF MANUFACTURING SPARK PLUG ELECTRODES
DE2755120A1 (en) * 1977-12-10 1979-06-13 Atomic Energy Authority Uk Spark plug electrode mfr. - by melting metal core to metal sheath
GB2024665A (en) * 1978-07-07 1980-01-16 Ford Motor Co Spark plug electrode manufacture
DE1941979B2 (en) * 1968-09-03 1980-04-10 Champion Spark Plug Co., Toledo, Ohio (V.St.A.) spark plug
GB2037190A (en) * 1978-12-16 1980-07-09 Gkn Floform Ltd Manufacture of spark plug electrode

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754591A (en) * 1953-06-06 1956-08-08 Bosch Gmbh Robert A method for the extrusion of rod-shaped or pin-shaped metal articles, particularly sparking plug electrodes
DE1941979B2 (en) * 1968-09-03 1980-04-10 Champion Spark Plug Co., Toledo, Ohio (V.St.A.) spark plug
DE2238283A1 (en) * 1972-04-14 1973-10-25 Nippon Denso Co METHOD OF MANUFACTURING SPARK PLUG ELECTRODES
DE2755120A1 (en) * 1977-12-10 1979-06-13 Atomic Energy Authority Uk Spark plug electrode mfr. - by melting metal core to metal sheath
GB2024665A (en) * 1978-07-07 1980-01-16 Ford Motor Co Spark plug electrode manufacture
GB2037190A (en) * 1978-12-16 1980-07-09 Gkn Floform Ltd Manufacture of spark plug electrode

Also Published As

Publication number Publication date
DE3169299D1 (en) 1985-04-18
AU7813781A (en) 1982-06-17
GB2088753A (en) 1982-06-16
CA1203510A (en) 1986-04-22
GB2088753B (en) 1984-02-01
EP0054374A2 (en) 1982-06-23
AU551102B2 (en) 1986-04-17
EP0054374B1 (en) 1985-03-13
ZA818375B (en) 1982-11-24
NZ199163A (en) 1984-09-28

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