Elastic pad, especially under-rail

E - Fixed Constructions – 01 – B

Patent

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Details

E01B 9/68 (2006.01)

Patent

CA 2272377

An elastic pad, especially under-rail, made of an elastic plastic or rubber, has two opposite sides. At least one of its opposite sides is a surface which at least partly is defined at least approximately by a simple and/or composite trigonometric sinusoidal and/or cosinusoidal function so that at least on a part of one of two opposite sides of the elastic pad there are made protrusions (3) and cavities (4) arranged alternately and changing softly one into another. The elastic pad is used mainly in permanent ways of rail transport as an element attenuating vibrations and absorbing dynamic loads transmitted by vehicles to rails.

Cette semelle élastique, destinée notamment à être placée sous un rail, est réalisée en plastique ou caoutchouc élastique et présente deux côtés opposés, l'un de ces côtés au moins constituant une surface partiellement et approximativement déterminée par une fonction simple et/ou composée, trigonométrique, sinusoïdale et/ou cosinusoïdale, de manière qu'au moins une partie de l'un des côtés opposés du patin élastique présente des portions saillantes (3) et des creux (4) disposés en alternance, le passage d'une portion saillante à un creux, et inversement, s'effectuant en douceur. On utilise notamment cette semelle sur des tracés permanents de transport par rail en tant qu'élément destiné à atténuer les vibrations et à absorber les charges dynamiques transmises par les véhicules aux rails.

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