Plastifier with throttle means

Details Plastifier with throttle means Plastifier with throttle means

1992-06-11

1993-10-26

Woo, Jay H.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366301, 425204, 4253824, B29B 772

Patent

active

052559734

ABSTRACT:
A plastifier extruder of the double-screw type has a slide plate shiftable toward and away from the screws at an acute angle to the axes thereof in a chamber having a trapezoidal axial cross section between extreme positions in which a surface of the plate parallel to the axes lies along one long side of the trapezoid and another limiting position in which the surface lies along the other long side of the trapezoid.

REFERENCES:
patent: 3169752 (1965-02-01), DeLaubarede
patent: 3475787 (1969-11-01), Heston
patent: 3815637 (1974-06-01), Carrow
patent: 4136968 (1979-01-01), Todd
patent: 4299499 (1981-11-01), Buchheit
patent: 4302172 (1981-11-01), Hogseth et al.
patent: 4332481 (1982-06-01), Inoue et al.
patent: 4940329 (1990-07-01), Dienst

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