GB2388437B - A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev - Google Patents

A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev

Info

Publication number
GB2388437B
GB2388437B GB0210712A GB0210712A GB2388437B GB 2388437 B GB2388437 B GB 2388437B GB 0210712 A GB0210712 A GB 0210712A GB 0210712 A GB0210712 A GB 0210712A GB 2388437 B GB2388437 B GB 2388437B
Authority
GB
United Kingdom
Prior art keywords
measure
detec
lev
breaks
calibration process
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 - Fee Related
Application number
GB0210712A
Other versions
GB0210712D0 (en
GB2388437A (en
Inventor
Roger West
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0210712A priority Critical patent/GB2388437B/en
Publication of GB0210712D0 publication Critical patent/GB0210712D0/en
Publication of GB2388437A publication Critical patent/GB2388437A/en
Application granted granted Critical
Publication of GB2388437B publication Critical patent/GB2388437B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/04—Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
    • B61L23/042—Track changes detection
    • B61L23/044—Broken rails
GB0210712A 2002-05-10 2002-05-10 A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev Expired - Fee Related GB2388437B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0210712A GB2388437B (en) 2002-05-10 2002-05-10 A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0210712A GB2388437B (en) 2002-05-10 2002-05-10 A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev

Publications (3)

Publication Number Publication Date
GB0210712D0 GB0210712D0 (en) 2002-06-19
GB2388437A GB2388437A (en) 2003-11-12
GB2388437B true GB2388437B (en) 2005-12-21

Family

ID=9936410

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0210712A Expired - Fee Related GB2388437B (en) 2002-05-10 2002-05-10 A calibration process for apparatus designed to measure/detec railway line/track cracks and breaks and measure stress and tension levels monitoring these lev

Country Status (1)

Country Link
GB (1) GB2388437B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7502670B2 (en) * 2004-07-26 2009-03-10 Salient Systems, Inc. System and method for determining rail safety limits
SE534724C2 (en) * 2009-12-07 2011-11-29 Eric Berggren Method for determining the tension-free temperature of the rails and / or the lateral resistance of the track

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1758493A1 (en) * 1990-06-07 1992-08-30 Московский Институт Инженеров Железнодорожного Транспорта Method of fatigue testing of full-scale specimens of rails
SE510994C2 (en) * 1998-05-05 1999-07-19 Ola Pettersen Neutral temperature determination method for railway rail

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1758493A1 (en) * 1990-06-07 1992-08-30 Московский Институт Инженеров Железнодорожного Транспорта Method of fatigue testing of full-scale specimens of rails
SE510994C2 (en) * 1998-05-05 1999-07-19 Ola Pettersen Neutral temperature determination method for railway rail

Also Published As

Publication number Publication date
GB0210712D0 (en) 2002-06-19
GB2388437A (en) 2003-11-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090510

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: APPLICATION FILED

S28 Restoration of ceased patents (sect. 28/pat. act 1977)

Free format text: RESTORATION ALLOWED

Effective date: 20110203

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200510