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FR714516A - Improvements to rail fault detection devices - Google Patents

Improvements to rail fault detection devices

Info

Publication number
FR714516A
FR714516A FR714516DA FR714516A FR 714516 A FR714516 A FR 714516A FR 714516D A FR714516D A FR 714516DA FR 714516 A FR714516 A FR 714516A
Authority
FR
France
Prior art keywords
fault detection
detection devices
rail fault
rail
devices
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.)
Sperry Products Inc
Original Assignee
Sperry Products Inc
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 Sperry Products Inc filed Critical Sperry Products Inc
Application granted granted Critical
Publication of FR714516A publication Critical patent/FR714516A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08—Measuring installations for surveying permanent way
    • B61K9/10—Measuring installations for surveying permanent way for detecting cracks in rails or welds thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
FR714516D 1930-03-18 1931-03-17 Improvements to rail fault detection devices Expired FR714516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US436822A US1899525A (en) 1930-03-18 1930-03-18 Automatic rail locator for brushes of fissure detector cars

Publications (1)

Publication Number Publication Date
FR714516A true FR714516A (en) 1931-11-16

Family

ID=23733959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714516D Expired FR714516A (en) 1930-03-18 1931-03-17 Improvements to rail fault detection devices

Country Status (4)

Country Link
US (1) US1899525A (en)
DE (1) DE571902C (en)
FR (1) FR714516A (en)
GB (1) GB372474A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582440A (en) * 1948-09-24 1952-01-15 Frank H Keaton Rail flaw detection apparatus
US2602109A (en) * 1950-02-18 1952-07-01 Walter C Barnes Flaw detector carriage
US2688725A (en) * 1951-11-15 1954-09-07 Teleweld Inc Rail fissure detector car
US5514956A (en) * 1994-10-11 1996-05-07 Industrial Sensors And Actuators Release mechanism for high-magnetization magnetic inspection apparatus for use in inspecting storage tank bottoms

Also Published As

Publication number Publication date
DE571902C (en) 1933-03-07
GB372474A (en) 1932-05-12
US1899525A (en) 1933-02-28

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