B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
259/43.2
B01F 7/08 (2006.01) B01F 3/10 (2006.01) B01F 3/14 (2006.01) B29B 7/42 (2006.01) B29C 47/38 (2006.01) B29C 47/92 (2006.01)
Patent
CA 1074780
ABSTRACT OF THE DISCLOSURE This invention provides a continuously operating device having a mixing section comprising opposite-handed helical threads in each of the two relatively rotatable components which threads vary in cross-sectional area in complementary fashion so as to produce a layer-by layer material transfer and shear work- ing between the components. The opposite handed helical threads in the mixing section complement one another substantially also in respect to their helix-angles to the extent that is one helix angle is between 0 and 45° the other is between 45° and 90°, to bring about, viewed with respect to the shear-plane-area, a sub- division sufficient for the mixing and compounding requirement. Continuously adjustable output throttling means may be provided in a device having threads varying in complementary fashion of the foregoing type.
282378
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