| 摘要 |
The present invention relates to a device favouring the flow of loose products over shallow gradients, in particular for hoppers or silos, characterized in that it is essentially constituted by thin horizontal bars (4), parallel with each other, extending perpendicularly to the direction of flow of the products (5) and connected to each other by at least one bar (6) extending perpendicularly to these bars (4) and by a means (7) of driving the said bars (4) backwards and forwards in a direction parallel to the direction of flow of the products (5). <IMAGE>
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