FR2285735B1 - - Google Patents
Info
- Publication number
- FR2285735B1 FR2285735B1 FR7526067A FR7526067A FR2285735B1 FR 2285735 B1 FR2285735 B1 FR 2285735B1 FR 7526067 A FR7526067 A FR 7526067A FR 7526067 A FR7526067 A FR 7526067A FR 2285735 B1 FR2285735 B1 FR 2285735B1
- 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
- H01T13/39—Selection of materials for electrodes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742444509 DE2444509A1 (en) | 1974-09-18 | 1974-09-18 | Centre electrode of sparking plug for IC engine - consists of bundle of nickel alloy based fibres encased in nickel alloy sheath |
DE19752516727 DE2516727C3 (en) | 1975-04-16 | 1975-04-16 | Spark plug electrode |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2285735A1 FR2285735A1 (en) | 1976-04-16 |
FR2285735B1 true FR2285735B1 (en) | 1979-05-18 |
Family
ID=25767714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7526067A Granted FR2285735A1 (en) | 1974-09-18 | 1975-08-22 | ELECTRODE FOR SPARK PLUGS |
Country Status (11)
Country | Link |
---|---|
JP (2) | JPS5155832A (en) |
AR (1) | AR203975A1 (en) |
BR (1) | BR7505989A (en) |
CA (1) | CA1046369A (en) |
DD (1) | DD120570A5 (en) |
ES (1) | ES441028A1 (en) |
FR (1) | FR2285735A1 (en) |
GB (1) | GB1514195A (en) |
IT (1) | IT1042580B (en) |
SE (1) | SE401061B (en) |
SU (1) | SU673208A3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2451648A1 (en) * | 1979-03-13 | 1980-10-10 | Texas Instruments Inc | Spar plug middle electrode has corrosion and erosion resistant core - with sheath of higher thermal conductivity |
US6533629B1 (en) | 1999-07-13 | 2003-03-18 | Alliedsignal Inc. | Spark plug including a wear-resistant electrode tip made from a co-extruded composite material, and method of making same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR570141A (en) * | 1923-08-25 | 1924-04-24 | Improvements to spark plugs for internal combustion engines | |
US2261436A (en) * | 1940-05-24 | 1941-11-04 | Edmund R Week Jr | Spark plug and method of making the same |
GB588197A (en) * | 1944-02-01 | 1947-05-16 | Mallory Metallurg Prod Ltd | Improvements in and relating to sparking plugs |
US2470033A (en) * | 1945-11-27 | 1949-05-10 | Mallory & Co Inc P R | Spark plug |
US2942135A (en) * | 1958-01-31 | 1960-06-21 | Eli Ladenheim | Spark plug |
JPS56920B2 (en) * | 1972-04-04 | 1981-01-10 |
-
1975
- 1975-05-19 GB GB21132/75A patent/GB1514195A/en not_active Expired
- 1975-08-22 FR FR7526067A patent/FR2285735A1/en active Granted
- 1975-09-08 AR AR260299A patent/AR203975A1/en active
- 1975-09-16 CA CA235,536A patent/CA1046369A/en not_active Expired
- 1975-09-16 DD DD188372A patent/DD120570A5/xx unknown
- 1975-09-16 IT IT27272/75A patent/IT1042580B/en active
- 1975-09-17 ES ES441028A patent/ES441028A1/en not_active Expired
- 1975-09-17 SE SE7510391A patent/SE401061B/en unknown
- 1975-09-17 SU SU752172435A patent/SU673208A3/en active
- 1975-09-17 JP JP50112509A patent/JPS5155832A/en active Pending
- 1975-09-17 BR BR7505989*A patent/BR7505989A/en unknown
-
1983
- 1983-09-26 JP JP1983147740U patent/JPS5984785U/en active Pending
Also Published As
Publication number | Publication date |
---|---|
ES441028A1 (en) | 1977-07-01 |
GB1514195A (en) | 1978-06-14 |
CA1046369A (en) | 1979-01-16 |
AU8320975A (en) | 1977-01-20 |
BR7505989A (en) | 1976-08-03 |
JPS5155832A (en) | 1976-05-17 |
SE401061B (en) | 1978-04-17 |
IT1042580B (en) | 1980-01-30 |
AR203975A1 (en) | 1975-10-31 |
SE7510391L (en) | 1976-03-19 |
FR2285735A1 (en) | 1976-04-16 |
DD120570A5 (en) | 1976-06-12 |
SU673208A3 (en) | 1979-07-05 |
JPS5984785U (en) | 1984-06-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |