Apparatus for producing a controllable uniform conveying pressur

Details Apparatus for producing a controllable uniform conveying pressur Apparatus for producing a controllable uniform conveying pressur

1992-09-14

1994-03-29

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

Stationary mixing chamber

418206, B29B 106

Patent

active

052978664

ABSTRACT:
The invention relates to an apparatus for producing a controllable, uniform conveying pressure for processing highly viscous, temperature sensitive rubber or thermoplastics material. The apparatus includes two rotating conveying elements that conjointly form a tooth-like sealing profile and that are arranged on respective shafts in a housing. The root circle diameters of the conveying elements more or less correspond to the diameters of the shaft sections axially adjacent to the conveying elements. For this reason, the radial end faces of the conveying elements are avoided and so are the difficult sealing problems which would otherwise be present at these end faces. The shaft sections adjacent the conveying elements guide and keep the toothed profiles in alignment with each other as they rotate to convey the material.

REFERENCES:
patent: 2369249 (1945-02-01), Rainalter
patent: 3276387 (1966-10-01), Bottoms
patent: 3472170 (1969-10-01), Eckerle

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