B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/123.5
B61D 7/02 (2006.01) B65D 90/58 (2006.01)
Patent
CA 1156513
ARTHUR I. ANDERSON COMBINATION GRAVITY/PNEUMATIC HOPPER BOTTOM ABSTRACT OF THE DISCLOSURE A bottom assembly for a hopper vehicle is adapted to permit safe pneumatic unloading as well as gravity unloading of a hopper. The bottom assembly includes a membrane mounted to be moved over and away from a hopper bottom opening, and sealing devices for insuring a secure seal for the hopper which can be easily set. A discharge manifold is connected to the hopper at a location spaced from the hopper bottom opening, and the hopper bottom opening is contained in a plane which is tilted with respect to the horizontal.
379911
American Railcar Industries
Osler Hoskin & Harcourt Llp
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