Transition rail and method for producing said transition rail

Details Transition rail and method for producing said transition rail Transition rail and method for producing said transition rail

B - Operations, Transporting

21

K

B21K 7/02 (2006.01) B21K 9/00 (2006.01) E01B 11/16 (2006.01)

Patent

CA 2479547

In a transition rail (1) for the connection of rails having different rail cross sections (2, 3), the transition rail (1) comprises two transition zones (a,c), wherein in a first transition zone (c) the larger-height cross-sectional profile is reshaped to transition into a smaller profile height and in the following, second transition zone (a) the rail foot is worked to match the new profile of the consecutive rail foot. The method for producing the transition rail is characterized in that the transition rail is at first heated and introduced into a press mold, whereupon the rail is reshaped in the web region and pressed in the direction of the profile height, and that the rail foot is mechanically worked following complete reshaping.

L'invention concerne un rail de raccordement (1) servant à relier des rails de section transversale (2,3) différente et comprenant deux zones de raccordement (a,c). Dans la première zone de raccordement (c), le profil transversal ayant la plus grande hauteur est modifié pour avoir une hauteur de profil moindre, et dans la deuxième zone de raccordement (a), située en aval, le patin du rail est façonné pour être adapté au nouveau profil du patin du rail suivant. Le procédé pour fabriquer ce rail de raccordement est caractérisé en ce que ledit rail de raccordement est d'abord chauffé et placé dans un moule pour être moulé par pression, puis l'âme du rail est modifiée et le rail est pressé dans le sens de la hauteur du profil, et enfin, la transformation complète du patin du rail est alors réalisée mécaniquement.

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