CAR FACE WALL ARCHITECTURE FOR A CAR SUCH AS A TRAIN CAR MADE FROM SANDWICH COMPOSITE MATERIAL
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United States of America Patent
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app pub date -
Oct 15, 2015
filing date -
Oct 17, 2014
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Abstract
A car belonging to a rolling vehicle, characterized in that it includes sidewalls in the form of a single piece made from composite material including a sandwich structure provided with a first skin on the outside of the car, a second skin on the inside of the car and a closed-cell foam or honeycomb core between the skins, the walls being provided with window openings formed by interruptions in the drapes of longitudinal fibres, transverse fibres and intersecting diagonal fibres, the openings having a polygonal shape that reduces the surface area of interrupted diagonal fibres in the corners of the openings.
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