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 arrangements

Info

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
Application number
GB17249/53A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Calor Emag AG
Original Assignee
Calor Emag AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Calor Emag AG filed Critical Calor Emag AG
Publication of GB731492A publication Critical patent/GB731492A/en
Expired legal-status Critical Current

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)
GB17249/53A 1952-07-12 1953-06-22 Improvements relating to electric cables, more especially rubber sheathed cables foruse in mines, in combination with protective arrangements Expired GB731492A (en)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB731492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL86750C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NL179406B (nl)
BE521378A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL86750C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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