Title: Discharge from hoppers

Abstract: A device for facilitating the discharge of material from a hopper of the kind whose cross-sectional area in a horizontal plane reduces gradually over at least the lower part of the hopper towards the outlet thereof comprising a helical blade rigidly secured within the hopper, the blade being so dimensioned and arranged as to impart a circular component of motion to the material as it runs through the lower regions of the hopper towards the outlet thereof.

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Inventors: Watson, Lewis Ainsley (Caarbrook, EN)

Application Number: 481739
Filing Date: 1974-06-21
Publication_date: 1976-02-24
Assignee: Simon-Carves Ltd. (Cheshire, EN)
Primary Class(es): 222/564 193/12
Other Classes:
US Patent Ref:

1317771	Oct, 1919	Adams	214/17.
1928459	Sep, 1933	Pardee	214/17.
3278054	Oct, 1966	Stott	214/17.

Other Refs: 651,600740,093

Nov, 1962	CA
Oct, 1943	DD

Primary Examiner: Knowles, Allen N.
Assistant Examiner:
Attorney: Norris & Bateman