FR2320646B1 - - Google Patents
Info
- Publication number
- FR2320646B1 FR2320646B1 FR7333476A FR7333476A FR2320646B1 FR 2320646 B1 FR2320646 B1 FR 2320646B1 FR 7333476 A FR7333476 A FR 7333476A FR 7333476 A FR7333476 A FR 7333476A FR 2320646 B1 FR2320646 B1 FR 2320646B1
- 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
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
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9398972A JPS4949035A (sv) | 1972-09-18 | 1972-09-18 | |
JP9398872A JPS4949034A (sv) | 1972-09-18 | 1972-09-18 | |
JP11704672A JPS4973541A (sv) | 1972-11-20 | 1972-11-20 | |
JP11969772A JPS4977044A (sv) | 1972-11-29 | 1972-11-29 | |
JP12084572A JPS5540993B2 (sv) | 1972-12-01 | 1972-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2320646A1 FR2320646A1 (fr) | 1977-03-04 |
FR2320646B1 true FR2320646B1 (sv) | 1978-02-24 |
Family
ID=27525671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7333476A Granted FR2320646A1 (fr) | 1972-09-18 | 1973-09-18 | Bougie d'allumage pour moteurs a combustion interne |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2320646A1 (sv) |
IT (1) | IT994257B (sv) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2120492A (en) * | 1937-02-17 | 1938-06-14 | Karl Werth | Sparking plug |
US2894162A (en) * | 1957-11-18 | 1959-07-07 | Ignatjev Feodor | Spark plug for internal combustion engines |
-
1973
- 1973-09-14 IT IT5252573A patent/IT994257B/it active
- 1973-09-18 FR FR7333476A patent/FR2320646A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2346663A1 (de) | 1974-04-04 |
IT994257B (it) | 1975-10-20 |
FR2320646A1 (fr) | 1977-03-04 |
DE2346663B2 (de) | 1977-02-03 |