DE3067236D1 - Method of forming spark plug bodies - Google Patents

Method of forming spark plug bodies

Info

Publication number
DE3067236D1
DE3067236D1 DE8080301147T DE3067236T DE3067236D1 DE 3067236 D1 DE3067236 D1 DE 3067236D1 DE 8080301147 T DE8080301147 T DE 8080301147T DE 3067236 T DE3067236 T DE 3067236T DE 3067236 D1 DE3067236 D1 DE 3067236D1
Authority
DE
Germany
Prior art keywords
spark plug
plug bodies
forming spark
forming
bodies
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
DE8080301147T
Other languages
German (de)
Inventor
Robert James Bailey
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.)
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor 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 Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE3067236D1 publication Critical patent/DE3067236D1/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
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • 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
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
    • 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)
  • Forging (AREA)
  • Spark Plugs (AREA)
DE8080301147T 1980-03-19 1980-04-10 Method of forming spark plug bodies Expired DE3067236D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8009299 1980-03-19

Publications (1)

Publication Number Publication Date
DE3067236D1 true DE3067236D1 (en) 1984-05-03

Family

ID=10512219

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301147T Expired DE3067236D1 (en) 1980-03-19 1980-04-10 Method of forming spark plug bodies

Country Status (2)

Country Link
EP (1) EP0036050B1 (en)
DE (1) DE3067236D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236656A1 (en) * 1992-10-30 1994-05-05 Bosch Gmbh Robert Tubular metal housing for spark plugs, glow plugs and sensors
JP2000215963A (en) 1999-01-25 2000-08-04 Ngk Spark Plug Co Ltd Manufacturing equipment for spark plug and manufacture of spark plug
WO2004054739A1 (en) * 2002-12-16 2004-07-01 Hartmut Flaig Screw plug made of a metallic material, method for the production thereof, corresponding blank, and corresponding tool

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1672082A (en) * 1923-03-28 1928-06-05 Bridgeport Brass Co Method of making tire-valve caps and the like
US1726264A (en) * 1928-08-17 1929-08-27 Francis F Hamilton Method of making spark plugs
DE934265C (en) * 1951-04-19 1955-10-13 Fritz Bernhard Hatebur Process for the production of hollow hollow metal bodies which are at least simply stepped on the outside, in particular, spark plug housings
GB747572A (en) * 1952-09-30 1956-04-11 Bosch Gmbh Robert A method of press-forming hollow members
GB782944A (en) * 1954-06-11 1957-09-18 Bosch Gmbh Robert A method of press-forming hollow members
DE1087879B (en) * 1958-04-19 1960-08-25 Malmedie & Co Maschf Process for pressing spark plug housings
US3072933A (en) * 1959-01-26 1963-01-15 Textron Ind Inc Method of extruding shank portions with 50% or less cross-sectional area than that of the original blanks
US3186209A (en) * 1960-04-14 1965-06-01 Nat Machinery Co Method of cold forming an elongated hollow article

Also Published As

Publication number Publication date
EP0036050A1 (en) 1981-09-23
EP0036050B1 (en) 1984-03-28

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8330 Complete disclaimer