Fluent material handling – with receiver or receiver coacting mea – With material treatment – Compacting
Patent
1988-11-14
1990-07-31
Cusick, Ernest G.
Fluent material handling, with receiver or receiver coacting mea
With material treatment
Compacting
141 59, 141 73, 141 74, 141 76, 141 77, 141 79, 141 80, 100145, B65B 108, B65B 112, B65B 120
Patent
active
049443348
ABSTRACT:
A vibrating hopper and auger feed assembly including an infeed auger which transfers product from a main storage bin to a live bottom hopper, the live bottom hopper having a vibrating bottom pan and discharge spout, an inverted pressure cone which is centrally vented to the exterior of the hopper, and a central vertical feed auger which extends through the inverted pressure cone and the discharge spout. A transverse cross auger transfers product from the live bottom hopper to a bottom fill auger assembly for filling bags carried on a bag elevator. Each of four augers in the assembly sequentially compresses and deaerates the product, the backpressure being vented to the exterior of the assembly, to achieve a very uniform product density within the fill tube and dispensing spout. The operation of the infeed auger may be controlled by the level of product within the live bottom hopper, and the bottom fill auger revolution rate may similarly be interlocked with other functions of the assembly, particularly the raising and lowering of the bag elevator. Conventional bag hanging and handling devices may be utilized, or the assembly may be customized to a particular application.
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patent: 3664385 (1972-05-01), Carter
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patent: 3862594 (1975-01-01), Stolting et al.
patent: 4185669 (1980-01-01), Jevakohoff
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