Mixing apparatus for thermoplastic synthetic resin

Details Mixing apparatus for thermoplastic synthetic resin Mixing apparatus for thermoplastic synthetic resin

1989-08-21

1990-04-03

Hornsby, Harvey C.

Agitating

Stirrer within stationary mixing chamber

Rotatable stirrer

366 79, 366 99, 366307, 425209, B01F 712, B01F 708, B29B 742

Patent

active

049135562

ABSTRACT:
A rotor and stator mixing system has mixing-chamber recesses in the outer periphery of the rotor and inner periphery of the stator which are generally similar, arrayed in peripheral and axial rows and are mutually axially offset. The guide radius R of the semicircular ends of each elongated recess is also the trough radius thereof and the trough depth is less than this guide radius. The length L of the mixing chambers is three to four times the guide radius, the web width between the recesses of each circumferential row is less than half the guide radius and the shear gap width W is so selected that the shear velocity which is realized is sufficient for effective mixing by a shear action.

REFERENCES:
patent: 4253771 (1981-03-01), Renk
patent: 4416548 (1983-11-01), Carre et al.
patent: 4419014 (1983-12-01), Gale
patent: 4421413 (1983-12-01), Sekiguchi
patent: 4479884 (1984-10-01), Clarke et al.
patent: 4501498 (1988-02-01), McKelvey
patent: 4517107 (1985-05-01), Clarke et al.

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