IT1143198B - Procedimento per la produzione di elettrodi per candele di accensione - Google Patents

Procedimento per la produzione di elettrodi per candele di accensione

Info

Publication number
IT1143198B
IT1143198B IT49882/80A IT4988280A IT1143198B IT 1143198 B IT1143198 B IT 1143198B IT 49882/80 A IT49882/80 A IT 49882/80A IT 4988280 A IT4988280 A IT 4988280A IT 1143198 B IT1143198 B IT 1143198B
Authority
IT
Italy
Prior art keywords
electrodes
procedure
production
spark plugs
ignition spark
Prior art date
Application number
IT49882/80A
Other languages
English (en)
Italian (it)
Other versions
IT8049882A0 (it
Inventor
Albert Leroy Hoffmanner
Sheldon Lee Semiatin
Richard Stanley Podiak
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 IT8049882A0 publication Critical patent/IT8049882A0/it
Application granted granted Critical
Publication of IT1143198B publication Critical patent/IT1143198B/it

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
    • 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
    • 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
    • B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • B21C33/004—Composite billet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/58—Making machine elements rivets
    • B21K1/62—Making machine elements rivets special rivets, e.g. with electrical contacts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Spark Plugs (AREA)
IT49882/80A 1979-10-15 1980-10-13 Procedimento per la produzione di elettrodi per candele di accensione IT1143198B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8459679A 1979-10-15 1979-10-15

Publications (2)

Publication Number Publication Date
IT8049882A0 IT8049882A0 (it) 1980-10-13
IT1143198B true IT1143198B (it) 1986-10-22

Family

ID=22185990

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49882/80A IT1143198B (it) 1979-10-15 1980-10-13 Procedimento per la produzione di elettrodi per candele di accensione

Country Status (7)

Country Link
JP (1) JPS5663789A (ja)
BE (1) BE885672A (ja)
CA (1) CA1169237A (ja)
DE (1) DE3036226A1 (ja)
FR (1) FR2467497A1 (ja)
GB (1) GB2060454B (ja)
IT (1) IT1143198B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076706B (en) * 1980-05-30 1984-06-27 Champion Spark Plug Co Producing a composite center electrode
EP0044764A1 (en) * 1980-07-17 1982-01-27 Bendix Autolite Corporation Method for manufacturing a center electrode for use in a spark plug
US4695759A (en) * 1981-10-29 1987-09-22 Champion Spark Plug Company Method for producing a composite center electrode and an electrode
JPS58225588A (ja) * 1982-06-24 1983-12-27 日本特殊陶業株式会社 点火プラグの中心電極の製造法
US4684352A (en) * 1985-03-11 1987-08-04 Champion Spark Plug Company Method for producing a composite spark plug center electrode
JP2012084389A (ja) * 2010-10-12 2012-04-26 Ngk Spark Plug Co Ltd スパークプラグ用中心電極の製造方法及びスパークプラグの製造方法
JP5279870B2 (ja) * 2011-01-27 2013-09-04 日本特殊陶業株式会社 スパークプラグ用電極の製造方法およびスパークプラグの製造方法
JP5639118B2 (ja) 2012-06-05 2014-12-10 日本特殊陶業株式会社 スパークプラグの製造方法
DE112020002185T5 (de) 2019-04-30 2022-04-07 Federal-Mogul Ignition Llc Zündkerzenelektrode und verfahren zur herstellung derselben

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955222A (en) * 1958-06-25 1960-10-04 Bosch Gmbh Robert Center electrode structure for spark plugs and process for making the same
US3144576A (en) * 1962-02-14 1964-08-11 Hagmaier Eugen Spark plug and method of manufacture
GB1011486A (en) * 1963-01-09 1965-12-01 Heinz Teves Improvements in or relating to mushroom valves
US3548472A (en) * 1967-11-15 1970-12-22 Hitachi Ltd Ignition plug and method for manufacturing a center electrode for the same
JPS48103445A (ja) 1972-04-14 1973-12-25
GB2037190B (en) * 1978-12-16 1982-08-25 Gkn Floform Ltd Manufacture of spark plug electrode

Also Published As

Publication number Publication date
IT8049882A0 (it) 1980-10-13
FR2467497A1 (fr) 1981-04-17
DE3036226C2 (ja) 1990-06-28
JPS5663789A (en) 1981-05-30
CA1169237A (en) 1984-06-19
FR2467497B1 (ja) 1983-04-15
GB2060454B (en) 1983-09-14
JPS6349356B2 (ja) 1988-10-04
GB2060454A (en) 1981-05-07
BE885672A (fr) 1981-04-13
DE3036226A1 (de) 1981-04-23

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