IT535383A - - Google Patents
Info
- Publication number
- IT535383A IT535383A IT535383DA IT535383A IT 535383 A IT535383 A IT 535383A IT 535383D A IT535383D A IT 535383DA IT 535383 A IT535383 A IT 535383A
- Authority
- IT
- Italy
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/34—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact adapted to engage an overhead transmission line, e.g. for branching
- H01H31/36—Contact moved by pantograph
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09D161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US514189A US2781426A (en) | 1955-06-09 | 1955-06-09 | Disconnect switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT535383A true IT535383A (it) |
Family
ID=24046154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT535383D IT535383A (it) | 1955-06-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2781426A (it) |
| BE (1) | BE538872A (it) |
| CH (1) | CH326724A (it) |
| DE (1) | DE1030421B (it) |
| FR (1) | FR1133497A (it) |
| IT (1) | IT535383A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB855325A (en) * | 1958-05-21 | 1960-11-30 | Asea Ab | Isolating switch of the pantograph type |
| DE2014760A1 (de) * | 1970-03-20 | 1971-10-21 | Siemens Ag | Trennschalter |
| DE3124805C2 (de) * | 1981-06-24 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Einsäulen-Trennschalter |
| EP3494588B1 (en) * | 2016-08-05 | 2024-04-10 | Hitachi Energy Ltd | Disconnector and manufacturing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL104574B (it) * | 1932-03-23 | |||
| FR882025A (fr) * | 1942-05-13 | 1943-05-14 | Entpr S Electr De L Ouest Soc | Dérivateur-sectionneur portatif pour ligne haute tension |
| CH258114A (de) * | 1943-09-04 | 1948-11-15 | Elin Und Schorch Werke Aktieng | Trennschalter in Säulenbauart. |
| AT168743B (de) * | 1948-09-02 | 1951-07-25 | Elin Ag Elek Ind Wien | Trennschalter in Säulenform |
| CH296803A (de) * | 1950-02-17 | 1954-02-28 | Siemens Ag | Trennschalter. |
-
0
- BE BE538872D patent/BE538872A/xx unknown
- IT IT535383D patent/IT535383A/it unknown
-
1954
- 1954-06-10 CH CH326724D patent/CH326724A/de unknown
- 1954-06-25 DE DEA20605A patent/DE1030421B/de active Pending
-
1955
- 1955-06-09 US US514189A patent/US2781426A/en not_active Expired - Lifetime
- 1955-06-10 FR FR1133497D patent/FR1133497A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1030421B (de) | 1958-05-22 |
| US2781426A (en) | 1957-02-12 |
| FR1133497A (fr) | 1957-03-27 |
| BE538872A (it) | |
| CH326724A (de) | 1957-12-31 |