JPS555652B2 - - Google Patents
Info
- Publication number
- JPS555652B2 JPS555652B2 JP7230674A JP7230674A JPS555652B2 JP S555652 B2 JPS555652 B2 JP S555652B2 JP 7230674 A JP7230674 A JP 7230674A JP 7230674 A JP7230674 A JP 7230674A JP S555652 B2 JPS555652 B2 JP S555652B2
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Contacts (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7230674A JPS555652B2 (en:Method) | 1974-06-26 | 1974-06-26 | |
| US05/589,673 US4091248A (en) | 1974-06-26 | 1975-06-24 | Vacuum-type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7230674A JPS555652B2 (en:Method) | 1974-06-26 | 1974-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS511975A JPS511975A (en:Method) | 1976-01-09 |
| JPS555652B2 true JPS555652B2 (en:Method) | 1980-02-08 |
Family
ID=13485437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7230674A Expired JPS555652B2 (en:Method) | 1974-06-26 | 1974-06-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4091248A (en:Method) |
| JP (1) | JPS555652B2 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258498A (ja) * | 1986-05-01 | 1987-11-10 | 松下電工株式会社 | 雨滴音発生回路 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5519710A (en) * | 1978-07-28 | 1980-02-12 | Hitachi Ltd | Vacuum breaker electrode |
| US5879477A (en) * | 1993-05-17 | 1999-03-09 | Kohler Co. | Reduced lead bismuth yellow brass |
| US5360591A (en) * | 1993-05-17 | 1994-11-01 | Kohler Co. | Reduced lead bismuth yellow brass |
| US5653827A (en) * | 1995-06-06 | 1997-08-05 | Starline Mfg. Co., Inc. | Brass alloys |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL241567A (en:Method) * | 1958-07-24 | |||
| FR1511781A (fr) * | 1966-02-09 | 1968-02-02 | Ass Elect Ind | Perfectionnements aux interrupteurs électriques sous vide |
| US3502465A (en) * | 1967-05-24 | 1970-03-24 | Mitsubishi Electric Corp | Contact alloys for vacuum circuit interrupters |
-
1974
- 1974-06-26 JP JP7230674A patent/JPS555652B2/ja not_active Expired
-
1975
- 1975-06-24 US US05/589,673 patent/US4091248A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258498A (ja) * | 1986-05-01 | 1987-11-10 | 松下電工株式会社 | 雨滴音発生回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS511975A (en:Method) | 1976-01-09 |
| US4091248A (en) | 1978-05-23 |