Extruders for thermoplastics material

Details Extruders for thermoplastics material Extruders for thermoplastics material

1980-06-10

1981-12-01

Coe, Philip R.

Agitating

Rubber or heavy plastic working

With specified feed means

366 77, 366 83, 366 91, 366155, 366157, 366192, 366290, 366301, B29B 110

Patent

active

043033440

ABSTRACT:
A two stage extruder comprising a first, vertical extruder and a second, horizontal extruder with the working chambers of the two stages connected by a connecting passage and off-set from one another so that each lies at a tangent to the other in a region which is a lower outlet region of the vertical stage and a drawing-in region of the horizontal stage; the vertical stage has a plasticizing portion with a planetary arrangement, a screw shaft supported in a lower axial pressure bearing and a butting ring for the planetary spindles disposed on the screw shaft. A lower cylindrical liner for the vertical stage has an aperture therein and the effective size of the connecting passage can be adjusted by rotating the liner.

REFERENCES:
patent: 3183553 (1965-05-01), Slater
patent: 3310837 (1967-03-01), Wittrock
patent: 3645659 (1972-02-01), Schott, Jr.
patent: 3825236 (1974-07-01), Hussmann et al.
patent: 4176967 (1979-12-01), Brinkmann et al.

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