NL71987C - - Google Patents
Info
- Publication number
- NL71987C NL71987C NL71987DA NL71987C NL 71987 C NL71987 C NL 71987C NL 71987D A NL71987D A NL 71987DA NL 71987 C NL71987 C NL 71987C
- Authority
- NL
- Netherlands
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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR877336X | 1949-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71987C true NL71987C (en) |
Family
ID=9360977
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676707459A NL151927B (en) | 1949-04-06 | HYDRAULIC BOLT TENSIONER FOR USE IN TIGHTENING HIGH LOAD NUTS. | |
| NL71987D NL71987C (en) | 1949-04-06 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676707459A NL151927B (en) | 1949-04-06 | HYDRAULIC BOLT TENSIONER FOR USE IN TIGHTENING HIGH LOAD NUTS. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE494505A (en) |
| DE (1) | DE877336C (en) |
| FR (1) | FR987580A (en) |
| GB (1) | GB667724A (en) |
| NL (2) | NL71987C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1164535B (en) * | 1958-10-21 | 1964-03-05 | Bbc Brown Boveri & Cie | Hydraulic control device with high response speed for electrical circuit breakers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE707302C (en) * | 1938-06-28 | 1941-06-18 | Bbc Brown Boveri & Cie | Compressed air switch with electropneumatic control |
| DE744834C (en) * | 1941-04-17 | 1944-01-26 | Aeg | Pressure medium drive for electrical high-voltage switches |
-
0
- NL NL676707459A patent/NL151927B/en unknown
- BE BE494505D patent/BE494505A/xx unknown
- NL NL71987D patent/NL71987C/xx active
-
1949
- 1949-04-06 FR FR987580D patent/FR987580A/en not_active Expired
-
1950
- 1950-03-24 GB GB7404/50A patent/GB667724A/en not_active Expired
- 1950-04-25 DE DEM2991A patent/DE877336C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB667724A (en) | 1952-03-05 |
| BE494505A (en) | |
| NL151927B (en) | |
| FR987580A (en) | 1951-08-16 |
| DE877336C (en) | 1953-05-21 |