IN164807B - - Google Patents
Info
- Publication number
- IN164807B IN164807B IN705/DEL/85A IN705DE1985A IN164807B IN 164807 B IN164807 B IN 164807B IN 705DE1985 A IN705DE1985 A IN 705DE1985A IN 164807 B IN164807 B IN 164807B
- Authority
- IN
- India
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
- H01H1/0206—Contacts characterised by the material thereof specially adapted for vacuum switches containing as major components Cu and Cr
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848426009A GB8426009D0 (en) | 1984-10-15 | 1984-10-15 | Vacuum interrupter contacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN164807B true IN164807B (en) | 1989-06-03 |
Family
ID=10568206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN705/DEL/85A IN164807B (en) | 1984-10-15 | 1985-08-28 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0178796B1 (en) |
| JP (1) | JPS6196621A (en) |
| DE (1) | DE3574074D1 (en) |
| GB (2) | GB8426009D0 (en) |
| IN (1) | IN164807B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4743718A (en) * | 1987-07-13 | 1988-05-10 | Westinghouse Electric Corp. | Electrical contacts for vacuum interrupter devices |
| EP0474628B1 (en) * | 1989-05-31 | 1993-07-28 | Siemens Aktiengesellschaft | Process for producing a cucr contact material for vacuum switches and appropriate contact material |
| TW237551B (en) * | 1990-06-07 | 1995-01-01 | Toshiba Co Ltd | |
| JP2908071B2 (en) * | 1991-06-21 | 1999-06-21 | 株式会社東芝 | Contact material for vacuum valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1194674A (en) * | 1966-05-27 | 1970-06-10 | English Electric Co Ltd | Vacuum Type Electric Circuit Interrupting Devices |
| DE2346179A1 (en) * | 1973-09-13 | 1975-06-26 | Siemens Ag | COMPOSITE METAL AS CONTACT MATERIAL FOR VACUUM SWITCHES |
| US3960554A (en) * | 1974-06-03 | 1976-06-01 | Westinghouse Electric Corporation | Powdered metallurgical process for forming vacuum interrupter contacts |
| US4048117A (en) * | 1974-10-29 | 1977-09-13 | Westinghouse Electric Corporation | Vacuum switch contact materials |
| US4190753A (en) * | 1978-04-13 | 1980-02-26 | Westinghouse Electric Corp. | High-density high-conductivity electrical contact material for vacuum interrupters and method of manufacture |
| JPS54147481A (en) * | 1978-05-11 | 1979-11-17 | Mitsubishi Electric Corp | Contact for vacuum breaker |
| US4304600A (en) * | 1979-11-01 | 1981-12-08 | Bell Telephone Laboratories, Incorporated | Manufacture of high-strength metallic articles |
| JPS59163726A (en) * | 1983-03-04 | 1984-09-14 | 株式会社日立製作所 | Vacuum breaker |
-
1984
- 1984-10-15 GB GB848426009A patent/GB8426009D0/en active Pending
-
1985
- 1985-08-28 IN IN705/DEL/85A patent/IN164807B/en unknown
- 1985-09-04 GB GB08521984A patent/GB2166161B/en not_active Expired
- 1985-09-18 DE DE8585306634T patent/DE3574074D1/en not_active Expired
- 1985-09-18 EP EP19850306634 patent/EP0178796B1/en not_active Expired
- 1985-10-01 JP JP21899885A patent/JPS6196621A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0178796A2 (en) | 1986-04-23 |
| EP0178796B1 (en) | 1989-11-02 |
| GB8426009D0 (en) | 1984-11-21 |
| JPS6196621A (en) | 1986-05-15 |
| DE3574074D1 (en) | 1989-12-07 |
| EP0178796A3 (en) | 1987-05-27 |
| GB2166161A (en) | 1986-04-30 |
| GB8521984D0 (en) | 1985-10-09 |
| GB2166161B (en) | 1988-08-24 |