Internal mixer with improved rotors

Details Internal mixer with improved rotors Internal mixer with improved rotors

1989-06-05

1990-04-17

Jenkins, Robert W.

Agitating

Rubber or heavy plastic working

Stationary mixing chamber

366147, 366330, B29B 106, B01F 704

Patent

active

049175017

ABSTRACT:
A rotor for an internal mixer includes blades whose profile assures a suile stress of the rubber between the blade and the inside wall of a chamber. This profile includes a gradual convergent surface, a fine passage surface, a gradual divergent surface and then a zone of break in the continuity of the profile, called a setback, followed by a steeper divergent surface.

REFERENCES:
patent: 1773367 (1930-08-01), Lewis
patent: 3416774 (1968-12-01), Fritsch
patent: 4040607 (1977-08-01), Ullrich
patent: 4233676 (1980-11-01), Lipp
patent: 4310251 (1982-01-01), Scharer
patent: 4425962 (1984-01-01), Cameron
patent: 4456381 (1984-06-01), Inoue

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