B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
107/15
B01F 7/04 (2006.01)
Patent
CA 1293413
PRECONDITIONING APPARATUS FOR EXTRUDER Abstract of the Disclosure A conditioning device for an extruder includes two juxtaposed, frustocylindrical, inter- communicated chambers, one chamber of which has greater cross sectional area than the other cham- ber. A mixing shaft centrally located within the small chamber carries a number of radially extend- ing beaters which rotate at a speed twice that of the rotational speed of paddles mounted on a second mixing shaft located in the large chamber and material introduced into the vessel is passed from side-to-side between the two chambers while being advanced along the length of the vessel. The use of relatively fast moving beaters within a small mixing chamber in combination with relative- ly slow moving paddles in a larger mixing chamber enables flour-like materials to be properly blend- ed with water with both sufficient agitation and proper retention times within the vessel. In an alternate embodiment of the invention, the vessel is tiltable about an axis parallel to the longitu- dinal axis thereof, in order to bias the materials under the influence of gravity toward one chamber or the other and to thereby vary the residence time of the materials within the vessel and the mixing characteristics of the device.
549114
Gowling Lafleur Henderson Llp
Wenger Manufacturing Inc.
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