BE708390A - - Google Patents
Info
- Publication number
- BE708390A BE708390A BE708390DA BE708390A BE 708390 A BE708390 A BE 708390A BE 708390D A BE708390D A BE 708390DA BE 708390 A BE708390 A BE 708390A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5723266 | 1966-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE708390A true BE708390A (https=) | 1968-05-02 |
Family
ID=10478687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE708390D BE708390A (https=) | 1966-12-21 | 1967-12-21 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE708390A (https=) |
| CH (1) | CH485308A (https=) |
| DE (1) | DE1615672A1 (https=) |
| FR (1) | FR1569633A (https=) |
| GB (1) | GB1143829A (https=) |
| NL (1) | NL6717432A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5257975A (en) * | 1975-11-07 | 1977-05-12 | Tokyo Shibaura Electric Co | Vacuum valve circuit breaker |
| DE3009925C2 (de) * | 1980-03-14 | 1984-03-08 | Siemens AG, 1000 Berlin und 8000 München | Kontaktstück für einen elektrischen Vakuumschalter |
-
0
- GB GB1143829D patent/GB1143829A/en active Active
-
1967
- 1967-12-19 FR FR1569633D patent/FR1569633A/fr not_active Expired
- 1967-12-20 NL NL6717432A patent/NL6717432A/xx unknown
- 1967-12-20 CH CH1784267A patent/CH485308A/de not_active IP Right Cessation
- 1967-12-20 DE DE19671615672 patent/DE1615672A1/de active Pending
- 1967-12-21 BE BE708390D patent/BE708390A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6717432A (https=) | 1968-06-24 |
| FR1569633A (https=) | 1969-06-06 |
| DE1615672A1 (de) | 1970-06-18 |
| GB1143829A (https=) | |
| CH485308A (de) | 1970-01-31 |