Design and manufacture of special cars on French National Railroads, fitted with hopper-shaped bodies raised well above rail level, and with adjustable traps, so that heavy traffic conveyed in bulk could be discharged in regular and graduated manner onto conveyor belts; two types were designed including open car for coal, gravel, quarry sand, etc, and car with sliding roof for goods which must be kept dry. English summary.
Construction of hopper cars with bilateral unloading device
Construction de wagons-tremies a dechargement bilateral
1963
Aufsatz (Zeitschrift)
Französisch
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Railway hopper car vibration unloading device and railway hopper car
Europäisches Patentamt | 2023
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