COMPOSITE MATERIAL STRUCTURE FOR RAILROAD CAR CHASSIS
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United States of America Patent
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Issued Date -
Jul 21, 2016
app pub date -
Jul 29, 2014
filing date -
Aug 2, 2013
priority date (Note) -
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Abstract
A structure, made from composite materials for a vehicle chassis, being configured to receive an undercarriage at its ends and includes at least one central beam that includes a median box having a central part and two ends with a reinforced structure, and the central part includes a reinforced part increasing the strength of the beam with respect to the bending stresses imposed by the transported load. The median box is reinforced by two lateral boxes extending over the entire length of the median box), assembled to the median box, the upper faces of which, together with the upper face of the median box, form the upper face of the beam. The structure includes a floor that covers the upper faces of the median box and the lateral boxes. The elements making up the structure have shapes that are simple, easy to make from composite materials and easy to assemble.
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