JPS5021670A - - Google Patents
Info
- Publication number
- JPS5021670A JPS5021670A JP7155473A JP7155473A JPS5021670A JP S5021670 A JPS5021670 A JP S5021670A JP 7155473 A JP7155473 A JP 7155473A JP 7155473 A JP7155473 A JP 7155473A JP S5021670 A JPS5021670 A JP S5021670A
- 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.)
- Pending
Links
Landscapes
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7155473A JPS5021670A (en) | 1973-06-25 | 1973-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7155473A JPS5021670A (en) | 1973-06-25 | 1973-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5021670A true JPS5021670A (en) | 1975-03-07 |
Family
ID=13464053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7155473A Pending JPS5021670A (en) | 1973-06-25 | 1973-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5021670A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432760A (en) * | 1977-08-17 | 1979-03-10 | Tokyo Shibaura Electric Co | Electrode structure |
| JPS6360246A (en) * | 1986-09-01 | 1988-03-16 | Hitachi Ltd | Casting alloy for contact for vacuum circuit breaker |
| JPS63313442A (en) * | 1987-06-16 | 1988-12-21 | Meidensha Electric Mfg Co Ltd | Manufacture of electrode material |
| JPS63314730A (en) * | 1987-06-17 | 1988-12-22 | Meidensha Electric Mfg Co Ltd | Manufacture of electrode material |
| US5557083A (en) * | 1993-07-14 | 1996-09-17 | Hitachi, Ltd. | Vacuum circuit breaker and electric contact |
| US5852266A (en) * | 1993-07-14 | 1998-12-22 | Hitachi, Ltd. | Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
| US6248969B1 (en) | 1997-09-19 | 2001-06-19 | Hitachi, Ltd. | Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor |
| US6437275B1 (en) | 1998-11-10 | 2002-08-20 | Hitachi, Ltd. | Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof |
| JP6304454B2 (en) * | 2016-03-29 | 2018-04-04 | 三菱電機株式会社 | Contact member manufacturing method, contact member and vacuum valve |
-
1973
- 1973-06-25 JP JP7155473A patent/JPS5021670A/ja active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432760A (en) * | 1977-08-17 | 1979-03-10 | Tokyo Shibaura Electric Co | Electrode structure |
| JPS6360246A (en) * | 1986-09-01 | 1988-03-16 | Hitachi Ltd | Casting alloy for contact for vacuum circuit breaker |
| JPH0458130B2 (en) * | 1986-09-01 | 1992-09-16 | Hitachi Ltd | |
| JPS63313442A (en) * | 1987-06-16 | 1988-12-21 | Meidensha Electric Mfg Co Ltd | Manufacture of electrode material |
| JPS63314730A (en) * | 1987-06-17 | 1988-12-22 | Meidensha Electric Mfg Co Ltd | Manufacture of electrode material |
| US5557083A (en) * | 1993-07-14 | 1996-09-17 | Hitachi, Ltd. | Vacuum circuit breaker and electric contact |
| US5852266A (en) * | 1993-07-14 | 1998-12-22 | Hitachi, Ltd. | Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
| US6048216A (en) * | 1993-07-14 | 2000-04-11 | Hitachi, Ltd. | Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
| US6248969B1 (en) | 1997-09-19 | 2001-06-19 | Hitachi, Ltd. | Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor |
| US6437275B1 (en) | 1998-11-10 | 2002-08-20 | Hitachi, Ltd. | Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof |
| JP6304454B2 (en) * | 2016-03-29 | 2018-04-04 | 三菱電機株式会社 | Contact member manufacturing method, contact member and vacuum valve |