Mixing and shearing roller-mill

Details Mixing and shearing roller-mill Mixing and shearing roller-mill

1985-01-09

1986-08-12

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

With specified feed means

366 77, 366 85, 366300, 366301, 425366, B29B 106

Patent

active

046053093

ABSTRACT:
A roller-mill for mixing and plasticizing materials, comprises two tempered, rotatable rollers which are operable at different circumferential speeds. The rolls are long and are provided with angular grooves which are inclinedly disposed relative to the axis of rotation of the rolls. The grooves on the two rolls extend in opposite directions to one another. The grooves producing biaxial shearing in the nip between the rolls because material is reliably fed into the nip. The grooves also produce a simultaneous, axial conveying of the material. Along the roll nip, various materials which are to be mixed can feed-in simultaneously or successively and, depending upon the intended purpose of the end product, the materials are removed from the device for further processing in either a partially plasticized state or in a fully homogenized state, as desired.

REFERENCES:
patent: 827936 (1906-08-01), Obermaier
patent: 4025058 (1977-05-01), Mizuguchi
patent: 4047705 (1977-09-01), Hanslik
patent: 4188128 (1980-02-01), Betancourt

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