FR786214A - Improvements in safety devices for railway tracks - Google Patents

Improvements in safety devices for railway tracks

Info

Publication number
FR786214A
FR786214A FR786214DA FR786214A FR 786214 A FR786214 A FR 786214A FR 786214D A FR786214D A FR 786214DA FR 786214 A FR786214 A FR 786214A
Authority
FR
France
Prior art keywords
safety devices
railway tracks
railway
tracks
safety
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
Other languages
French (fr)
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.)
GAZ ET CHALEUR
Original Assignee
GAZ ET CHALEUR
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 GAZ ET CHALEUR filed Critical GAZ ET CHALEUR
Application granted granted Critical
Publication of FR786214A publication Critical patent/FR786214A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/10Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using current passing between devices along the route and devices on the vehicle or train
    • B61L3/103Details of current transmitting conductors or contact brushes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR786214D 1934-05-04 1934-05-04 Improvements in safety devices for railway tracks Expired FR786214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786214T 1934-05-04

Publications (1)

Publication Number Publication Date
FR786214A true FR786214A (en) 1935-08-29

Family

ID=9218237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786214D Expired FR786214A (en) 1934-05-04 1934-05-04 Improvements in safety devices for railway tracks

Country Status (1)

Country Link
FR (1) FR786214A (en)

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