APPARATUS AND METHOD FOR REPAIRING WORN RAIL SHOULDERS

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United States of America Patent

APP PUB NO 20090090790A1
SERIAL NO

11866462

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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In a railroad system a track is formed of ties positioned at predetermined intervals along the right of way, and supporting a pair of rails. Shoulders are disposed in pairs adjacent to the sides of each rail and are partially imbedded in the ties to limit the lateral movement of the rails and define the track gauge. Between each pair of shoulders there is provided a pad disposed under the respective rail. Insulators are provided between the sides of the pad and a respective shoulder. Over time, friction between the insulators and the shoulders may cause excessive wear. This wear is compensated by one or more shims attached to the shoulders by a strong adhesive.

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Patent Owner(s)

Patent OwnerAddress
PANDROL LTD63 STATION ROAD ADDLESTONE SURREY KT15 2AR

International Classification(s)

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  • 2007 Application Filing Year
  • E01B Class
  • 63 Applications Filed
  • 42 Patents Issued To-Date
  • 66.67 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2007200820092010201120122013201420150255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coats, Frank Howard Thorofare, US 11 44

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Patent Citation Ranking

  • 1 Citation Count
  • E01B Class
  • 2.90 % this patent is cited more than
  • 16 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges2571001 - 1011 - 2002.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.55557.560

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