Title: Mixing apparatus

Abstract: A gear pump comprising a driving and a driven gear, pairs of successive teeth of at least one gear each having a cut-out allowing a proportion of slip, the cut-outs each extending to the root of the tooth and the cut-outs in successive teeth being in axially differently located positions.

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Inventors: Miles, David Roy (Pontypool, EN)
Woolcock, Alun (Pontypool, EN)

Application Number: 592052
Filing Date: 1975-06-30
Publication_date: 1977-05-24
Assignee: Imperial Chemical Industries Limited (London, EN)
Primary Class(es): 366/262 366/97, 366/272, 418/15, 418/206.4
Other Classes:
US Patent Ref:

2116380	May, 1938	Bauer	259/6.
3072064	Jan, 1963	Burkholder	418/191.
3179383	Apr, 1965	Knedlik	259/95.
3349713	Oct, 1967	Fassbender	259/6.
3734468	May, 1973	Cheng et al.	259/6.
3831906	Aug, 1974	Wakeman	418/206.
3869224	Mar, 1975	Brinkman	418/196.

Other Refs:
Primary Examiner: Aegerter, Richard E.
Assistant Examiner: Sheppard, John W.
Attorney: Cushman, Darby & Cushman