Throttle device for a twin-shafted screw machine

Details Throttle device for a twin-shafted screw machine Throttle device for a twin-shafted screw machine

1980-05-28

1981-11-10

Coe, Philip R.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366301, B29B 110, B01F 708

Patent

active

042994993

ABSTRACT:
A throttle device for a twin-shaft screw machine having a housing with two mutually penetrating bores in which respective screw shafts are arranged. Each bore has an outer gap sleeve and each shaft has an inner gap sleeve, the sleeves being mutually axially displaceable in order to generate or modify a throttle gap therebetween. The throttle gaps are formed, in each case, between cylindrical outer circumference on the respective inner gap sleeve and a cylindrical internal bore on the respective outer gap sleeve to provide an annular cylindrical gap of constant width but variable length. Each outer gap sleeve is connected to at least one sliding bolt which passes through an associated slot in the housing and through which the outer gap sleeve can be moved axially from outside the housing.

REFERENCES:
patent: 2814472 (1957-11-01), Erdmenger
patent: 3518936 (1970-07-01), Bredeson
patent: 3704972 (1972-12-01), Kneller et al.
patent: 3780994 (1973-12-01), Kneller et al.
patent: 3883122 (1975-05-01), Werner
patent: 3968955 (1976-07-01), Fritsch

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