Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Patent
1983-12-22
1984-10-02
Jenkins, Robert W.
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
366 90, 366 97, 366298, 366300, 366301, 425208, B29B 110
Patent
active
044744757
ABSTRACT:
A mixing apparatus for blending one or more relatively viscous liquids into a homogeneous mixture, the apparatus including a fixed vessel, a pair of rotors rotatively housed in the vessel, each rotor rotating on its own rotary shaft, the rotary shafts being rotated in opposing directions, the rotors having helical mixing vanes thereon wound oppositely in directions and differently in number, wherein the outside diameters D.sub.1, D.sub.2 of the rotors, the distance A between the rotary shafts, the rotating angular velocities of the rotors, and the number of the helical vanes are defined by the numerical criterion: A is smaller than 1/2(D.sub.1 +D.sub.2), and the ratio between velocities of the rotors is equal to the inverse number of the ratio between the numbers of the helical mixing vanes.
REFERENCES:
patent: 3403894 (1968-10-01), Matsuoka
patent: 3873070 (1975-03-01), Beken
patent: 3900187 (1975-08-01), Loomans
patent: 4040607 (1977-08-01), Ullrich
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