JPS523484A - Detecting method of long and broken rail - Google Patents
Detecting method of long and broken railInfo
- Publication number
- JPS523484A JPS523484A JP50078650A JP7865075A JPS523484A JP S523484 A JPS523484 A JP S523484A JP 50078650 A JP50078650 A JP 50078650A JP 7865075 A JP7865075 A JP 7865075A JP S523484 A JPS523484 A JP S523484A
- Authority
- JP
- Japan
- Prior art keywords
- long
- detecting method
- broken rail
- rail
- broken
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
PURPOSE: To detect the breakage of long rail set up at such a block of railroad track of high humidity or submersion as a long tunnel where to equip with a truck circuit is impossible.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50078650A JPS523484A (en) | 1975-06-26 | 1975-06-26 | Detecting method of long and broken rail |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50078650A JPS523484A (en) | 1975-06-26 | 1975-06-26 | Detecting method of long and broken rail |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS523484A true JPS523484A (en) | 1977-01-11 |
Family
ID=13667729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50078650A Pending JPS523484A (en) | 1975-06-26 | 1975-06-26 | Detecting method of long and broken rail |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS523484A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03176566A (en) * | 1989-12-05 | 1991-07-31 | Takenaka Komuten Co Ltd | Method of covering with refractory material |
US11094954B2 (en) | 2017-09-21 | 2021-08-17 | Kabushiki Kaisha Toshiba | Electrode, membrane electrode assembly, electrochemical cell, stack, fuel cell, vehicle and flying object |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3550434A (en) * | 1968-01-11 | 1970-12-29 | Arvin Systems Inc | Flaw detection system and probe |
-
1975
- 1975-06-26 JP JP50078650A patent/JPS523484A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3550434A (en) * | 1968-01-11 | 1970-12-29 | Arvin Systems Inc | Flaw detection system and probe |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03176566A (en) * | 1989-12-05 | 1991-07-31 | Takenaka Komuten Co Ltd | Method of covering with refractory material |
US11094954B2 (en) | 2017-09-21 | 2021-08-17 | Kabushiki Kaisha Toshiba | Electrode, membrane electrode assembly, electrochemical cell, stack, fuel cell, vehicle and flying object |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS523484A (en) | Detecting method of long and broken rail | |
JPS5226066A (en) | Sedimentation concentration apparatus | |
JPS51149726A (en) | Method of checking oblique movement | |
JPS52104286A (en) | Eddy current inspection method | |
JPS51129165A (en) | Detect system of abnormal reading speed by a-d converter | |
JPS53105369A (en) | Detection method for impurity concentration | |
JPS5278087A (en) | Moisture detection method in power cable conductor | |
JPS5420708A (en) | Block detecting system in magnetic tape | |
JPS5221814A (en) | Track detection system | |
JPS53117405A (en) | Loading checking system of head | |
JPS5329776A (en) | Separating device for cars | |
JPS51141104A (en) | Vehicle travel control system in railroad vehicle | |
JPS5231977A (en) | Purification method of gas containing so2 | |
JPS51149660A (en) | Freight conveyor to be pas sed along optical sensor | |
JPS5227104A (en) | Railway car detecting appartus | |
JPS5269118A (en) | Car for elevated railway | |
JPS5361803A (en) | Diverging device for normally conductive magnetically levitated vehicle | |
JPS5238832A (en) | Automatic wiring test system | |
JPS5271009A (en) | Method and apparatus for detecting absence or presence of train | |
JPS51123010A (en) | Servo-technique for recording equipment | |
JPS5249504A (en) | Method of constructing railway track | |
JPS51113752A (en) | Flat-tire detection unit of railway-use wheel | |
JPS5269114A (en) | Magnetic floating car | |
JPS545312A (en) | Pick up method of sequential number information and its pick up circuit | |
JPS51113753A (en) | Tire-flat detection device of railway-use wheel |