B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
18/722
B29B 9/06 (2006.01) B29B 9/00 (2006.01) B29C 47/36 (2006.01)
Patent
CA 1208406
CENTRIFUGALLY POWERED PELLETIZING MACHINE AND METHOD ABSTRACT OF THE DISCLOSURE A centrifugal pelletizer has a hollow electri- cally and thermally conductive rotor with a series of orifices along its outer rim portion for centrifugally powering strands of heated thermoplastic material from a body of said material in a flowable state within the in- terior of the rotor. A knife mounted on the frame adjacent the rotor orifices severs the strands into pellets of a predetermined length. A molten material feed tube extends into a rotor housing to direct flow in a uniform manner into the rotor and control mechanism, sensitive to the temperature of the rotor adjacent the orifices, controls the supply of current to electromagnets, which have a magnetic flux conducting plate system creating a flux field which is interrupted by the spinning rotor to induce currents in the rotor which heat it according to the tem- perature sensed.
439718
Layfield James D.
Todd David B.
Baker Perkins Inc.
Ridout & Maybee Llp
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