Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent
1983-02-22
1985-08-13
Jenkins, Robert W.
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
366 88, 366301, B29B 110
Patent
active
045346526
ABSTRACT:
Multishafted, continuous mixing and kneading of plastifiable compounds using mutually engaging worm elements which rotate in the same sense, at a constant axial separation. Along the direction of advance, the worm elements have successive zones with different numbers of threads. Each zone with the smaller number of threads follows a zone with a larger number of threads. The worm elements mesh with one another in successive zones so that the worm element of one zone has a self-cleaning action upon one another, and the zone with the smaller number of threads has a housing with a larger interior bore and larger corresponding worms than the zone with the larger number of threads, so that, in the zone with the smaller number of threads, the free cross-section is larger than in the preceding zone. Both zones have fill openings that can be charged independently of one another.
REFERENCES:
patent: 2559418 (1951-07-01), Ford
patent: 3608868 (1971-09-01), Koch
patent: 3825236 (1974-07-01), Mussmann et al.
patent: 4110884 (1978-08-01), Nakamura
patent: 4131371 (1978-12-01), Tynan
patent: 4289409 (1981-09-01), Brand
Automatik Apparate-Maschinenbau H. Hench GmbH
Jenkins Robert W.
Kersey George E.
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