| 摘要 |
The invention relates to a piece of equipment for storing and extracting pulverulent products, intended to be used more particularly in premetering applications. It is constituted by superimposed ducts with slope reversal every quarter turn, and with a mobile bottom sliding with an alternating motion of fairly high frequency and amplitude. When the stored product is very fluid, an inverted V-shaped deflector is added in each duct and the mobile bottom is possibly replaced by a hopper. <IMAGE>
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