Lightweight hopper car
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United States of America Patent
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-
Aug 10, 1999
Grant Date -
N/A
app pub date -
Apr 11, 1997
filing date -
Apr 11, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A lightweight hopper-type rail car provides for a smooth exterior surface so as to minimize aerodynamic drag thereon when the car is in motion. The railcar includes a cross ridge arrangement which greatly increases the fabrication efficiency of the car as well as providing a smooth interior surface so as to allow the maximum release of bulk material contained within the car.
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Cited Art Landscape
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