Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent
1978-11-28
1981-03-03
Christian, Leonard D.
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
366318, A21C 106, B01F 724
Patent
active
042537711
ABSTRACT:
An apparatus for the mixing of materials such as synthetic polymers and their additives. The apparatus comprises a casing which surrounds a cylindrical rotor. A series of groove rings are axially arranged in succession in the casing and have end surfaces placing the rings in abutting axial engagement with one another. These end surfaces of each groove ring may be integral therewith or may be provided by separate spacer rings. The grooves formed on the peripheral working surfaces of the groove rings are circumferentially separated by shearing lands and are limited in an axial direction by said end surfaces, said shearing lands and end surfaces defining said grooves as a series of individual closed chambers. In assembly, the grooves formed in the casing groove rings are arranged in a partially overlapping, axially displaced relationship with respect to corresponding radially opposed grooves formed in the rotor in a manner such that the material to be mixed will flow between said overlapping casing and rotor closed groove chambers thereby causing repeated dispersal of the material as it moves through the mixing apparatus.
REFERENCES:
patent: 2200997 (1940-05-01), Royle
patent: 3174185 (1965-03-01), Gerber
patent: 3239882 (1966-03-01), Yokana
patent: 4128342 (1978-12-01), Renk
Barmag Barmer Maschinenfabrik Aktiengesellschaft
Christian Leonard D.
Shurtleff John H.
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