GB731492A - Improvements relating to electric cables, more especially rubber sheathed cables foruse in mines, in combination with protective arrangements - Google Patents
Improvements relating to electric cables, more especially rubber sheathed cables foruse in mines, in combination with protective arrangementsInfo
- Publication number
- GB731492A GB731492A GB17249/53A GB1724953A GB731492A GB 731492 A GB731492 A GB 731492A GB 17249/53 A GB17249/53 A GB 17249/53A GB 1724953 A GB1724953 A GB 1724953A GB 731492 A GB731492 A GB 731492A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cables
- foruse
- mines
- combination
- improvements relating
- Prior art date
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/226—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for wires or cables, e.g. heating wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/041—Flexible cables, conductors, or cords, e.g. trailing cables attached to mobile objects, e.g. portable tools, elevators, mining equipment, hoisting cables
Landscapes
- Insulated Conductors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE731492X | 1952-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB731492A true GB731492A (en) | 1955-06-08 |
Family
ID=6638176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17249/53A Expired GB731492A (en) | 1952-07-12 | 1953-06-22 | Improvements relating to electric cables, more especially rubber sheathed cables foruse in mines, in combination with protective arrangements |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE521378A (un) |
GB (1) | GB731492A (un) |
NL (2) | NL179406B (un) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0001831A2 (en) * | 1977-11-03 | 1979-05-16 | Ravida, Antonino | Apparatus protected against electric current short circuits |
EP0342614A1 (en) * | 1988-05-17 | 1989-11-23 | ELECTRICAL SAFETY COMPANY S.r.l. | Safety power supply system for movable electric machines |
-
0
- NL NL86750D patent/NL86750C/xx active
- NL NLAANVRAGE7905830,B patent/NL179406B/xx unknown
- BE BE521378D patent/BE521378A/xx unknown
-
1953
- 1953-06-22 GB GB17249/53A patent/GB731492A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0001831A2 (en) * | 1977-11-03 | 1979-05-16 | Ravida, Antonino | Apparatus protected against electric current short circuits |
EP0001831A3 (en) * | 1977-11-03 | 1979-05-30 | Ravida, Antonino | System of protection against electric current short circuits and fulminations and apparatus and feeding cable adopting said system |
EP0342614A1 (en) * | 1988-05-17 | 1989-11-23 | ELECTRICAL SAFETY COMPANY S.r.l. | Safety power supply system for movable electric machines |
Also Published As
Publication number | Publication date |
---|---|
NL86750C (un) | |
BE521378A (un) | |
NL179406B (nl) |
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