Rim of a railway wheel

B - Operations – Transporting – 60 – B

Patent

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295/1

B60B 17/00 (2006.01)

Patent

CA 2008910

RIM OF A RAILWAY WHEEL ABSTRACT In a rim of a railway wheel comprising a flange and a rolling surface of varying contour with a portion of concave surface defined by a paraboloid of revolution with a generating line described by the expression y = axb, where a = 4.8 - 5.4, b = 0.23 - 0.25. The portion of concave surface conjugates with a portion of convex sur- face defined by a smooth curve in turn conjugating with a portion of conical surface whose generating line has a slope from 1:5 to 1:20, the line of conjugation of the por- tions of concave and convex surfaces resting in the roll- ing circle.

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