Spiral mixing element

Details Spiral mixing element Spiral mixing element

1978-05-18

1980-04-22

Jenkins, Robert W.

Agitating

Agitator

Stirrer

366320, 366321, B01F 708

Patent

active

041992695

ABSTRACT:
Disclosed is a device for mixing and/or conveying, in particular for mixing and conveying a developer composition in an electrophotographic copying machine. The device comprises an elongated member which is rotatable about its longitudinal axis, this member comprising a T-shaped lateral cross-section which has been spirally twisted about its longitudinal axis, whereby at least two portions of the T cross-section comprise helically extending mixing and/or conveying elements. Also disclosed is a method for manufacturing such a device.

REFERENCES:
patent: 1286674 (1918-12-01), Linville
patent: 3421740 (1969-01-01), Behrens
patent: 3599939 (1971-08-01), O'Brien
patent: 3947939 (1976-04-01), Steiner
patent: 4113371 (1978-09-01), Fraser

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