Extruder mixer

Details Extruder mixer Extruder mixer

1981-03-31

1983-12-06

Coe, Philip R.

Agitating

Rubber or heavy plastic working

Stationary mixing chamber

366279, 366307, 425202, 425209, B29B 106

Patent

active

044190140

ABSTRACT:
An extruder mixer for the extrusion of molten plastics and rubbers. The apparatus comprises a hollow cylindrical stator member and a cylindrical rotor member rotatable within the stator. The facing cylindrical surfaces carry rows of hemispherical cavities extending peripherally around the members so that the rows of one member are axially offset from rows of the other member whereby there is an axial overlap of the cavities and rotor. The cavities in adjacent rows on the rotor and stator are also circumferentially offset.

REFERENCES:
patent: 2813302 (1957-11-01), Beck
patent: 3174185 (1965-03-01), Gerber
patent: 3593379 (1971-07-01), Hendry
patent: 4253771 (1981-03-01), Renk
J. Colloid Sci., No. 6, Apr. 1951, pp. 133-145, Spencer, R. S. and Wiley, R. M.
S.P.E. Antec 37th, vol. 25, May 1979, pp. 241-244, Ng, K. Y. and Erwin, L.
Kunstoffe, 68, No. 1, 1978, pp. 12-19, Kramer, A.
122nd A.C.S. Rubber Division Meeting, Chi. Oct. 5-8, 1982, Paper No. 72, Johnson, P. S.

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