JPS56920B2 - - Google Patents
Info
- Publication number
- JPS56920B2 JPS56920B2 JP3401372A JP3401372A JPS56920B2 JP S56920 B2 JPS56920 B2 JP S56920B2 JP 3401372 A JP3401372 A JP 3401372A JP 3401372 A JP3401372 A JP 3401372A JP S56920 B2 JPS56920 B2 JP S56920B2
- Authority
- JP
- Japan
- 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
- 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
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3401372A JPS56920B2 (en) | 1972-04-04 | 1972-04-04 | |
| US00341852A US3818555A (en) | 1972-04-04 | 1973-03-16 | Method of manufacturing central electrode for spark plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3401372A JPS56920B2 (en) | 1972-04-04 | 1972-04-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4899530A JPS4899530A (en) | 1973-12-17 |
| JPS56920B2 true JPS56920B2 (en) | 1981-01-10 |
Family
ID=12402519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3401372A Expired JPS56920B2 (en) | 1972-04-04 | 1972-04-04 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3818555A (en) |
| JP (1) | JPS56920B2 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3868530A (en) * | 1973-07-05 | 1975-02-25 | Champion Spark Plug Co | Spark plug |
| GB1514195A (en) * | 1974-09-18 | 1978-06-14 | Bosch Gmbh Robert | Spark plug electrode |
| US4351095A (en) * | 1977-12-12 | 1982-09-28 | United Kingdom Atomic Energy Authority | Method of making spark plugs |
| FR2412186A1 (en) * | 1977-12-19 | 1979-07-13 | Atomic Energy Authority Uk | Spark plug electrode mfr. - by melting metal core to metal sheath |
| US4575343A (en) * | 1980-04-09 | 1986-03-11 | The National Machinery Company | Bimetal electrode and method of making same |
| GB2076706B (en) * | 1980-05-30 | 1984-06-27 | Champion Spark Plug Co | Producing a composite center electrode |
| US4526551A (en) * | 1980-05-30 | 1985-07-02 | Champion Spark Plug Company | Production of electrodes |
| US4695759A (en) * | 1981-10-29 | 1987-09-22 | Champion Spark Plug Company | Method for producing a composite center electrode and an electrode |
| US4684352A (en) * | 1985-03-11 | 1987-08-04 | Champion Spark Plug Company | Method for producing a composite spark plug center electrode |
| US5675209A (en) * | 1995-06-19 | 1997-10-07 | Hoskins Manufacturing Company | Electrode material for a spark plug |
| US9028289B2 (en) | 2011-12-13 | 2015-05-12 | Federal-Mogul Ignition Company | Electron beam welded electrode for industrial spark plugs |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2945293A (en) * | 1956-11-13 | 1960-07-19 | George A Last | Process for jacketing a core |
| US3119944A (en) * | 1961-07-25 | 1964-01-28 | Champion Spark Plug Co | Spark plug electrode |
-
1972
- 1972-04-04 JP JP3401372A patent/JPS56920B2/ja not_active Expired
-
1973
- 1973-03-16 US US00341852A patent/US3818555A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4899530A (en) | 1973-12-17 |
| US3818555A (en) | 1974-06-25 |