FR2346881B1 - - Google Patents

Info

Publication number
FR2346881B1
FR2346881B1 FR7612993A FR7612993A FR2346881B1 FR 2346881 B1 FR2346881 B1 FR 2346881B1 FR 7612993 A FR7612993 A FR 7612993A FR 7612993 A FR7612993 A FR 7612993A FR 2346881 B1 FR2346881 B1 FR 2346881B1
Authority
FR
France
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
FR7612993A
Other languages
French (fr)
Other versions
FR2346881A1 (fr
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.)
Federal Mogul Ignition LLC
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
Priority claimed from US05/672,153 external-priority patent/US4120829A/en
Application filed by Champion Spark Plug Co filed Critical Champion Spark Plug Co
Publication of FR2346881A1 publication Critical patent/FR2346881A1/fr
Application granted granted Critical
Publication of FR2346881B1 publication Critical patent/FR2346881B1/fr
Granted 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
    • H01T13/00—Sparking plugs
    • H01T13/40—Sparking plugs structurally combined with other devices
    • H01T13/41—Sparking plugs structurally combined with other devices with interference suppressing or shielding means
    • 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
    • H01T13/38—Selection of materials for insulation
FR7612993A 1976-03-31 1976-04-30 Corps ceramique semi-conducteur fritte pour allumeur Granted FR2346881A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/672,153 US4120829A (en) 1973-01-08 1976-03-31 Electrically semi-conducting ceramic body

Publications (2)

Publication Number Publication Date
FR2346881A1 FR2346881A1 (fr) 1977-10-28
FR2346881B1 true FR2346881B1 (xx) 1981-06-19

Family

ID=24697362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612993A Granted FR2346881A1 (fr) 1976-03-31 1976-04-30 Corps ceramique semi-conducteur fritte pour allumeur

Country Status (5)

Country Link
JP (1) JPS6025881B2 (xx)
CA (1) CA1080590A (xx)
DE (1) DE2618457A1 (xx)
FR (1) FR2346881A1 (xx)
GB (1) GB1553284A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337137A (en) * 1980-06-11 1982-06-29 The Dow Chemical Company Composite ion exchange membranes
US4470889A (en) * 1980-06-11 1984-09-11 The Dow Chemical Company Electrolytic cell having an improved ion exchange membrane and process for operating
US4804727A (en) * 1980-06-11 1989-02-14 The Dow Chemical Company Process to produce novel fluorocarbon vinyl ethers and resulting polymers
GB8609067D0 (en) * 1986-04-14 1986-05-21 Atomic Energy Authority Uk Silicon nitride materials
FR2639343B1 (fr) * 1988-11-21 1991-02-15 Eyquem Composition en ceramique semi-conductrice et son application dans la fabrication des bougies d'allumage
FR2917405B1 (fr) 2007-06-18 2010-12-10 Vibro Meter France Procede de preparation d'une ceramique frittee, ceramique ainsi obtenue et bougie d'allumage la comportant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB758437A (en) * 1951-09-28 1956-10-03 Bendix Aviat Corp Improvements in ceramic semi-conductive material

Also Published As

Publication number Publication date
CA1080590A (en) 1980-07-01
JPS52118597A (en) 1977-10-05
JPS6025881B2 (ja) 1985-06-20
DE2618457A1 (de) 1977-10-13
GB1553284A (en) 1979-09-26
FR2346881A1 (fr) 1977-10-28

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Legal Events

Date Code Title Description
ST Notification of lapse