Plastic article or earthenware shaping or treating: apparatus – Preform severing means – Means forming from bulk and downstream severing means
Patent
1989-04-14
1991-10-01
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Preform severing means
Means forming from bulk and downstream severing means
264142, 425310, 425311, 425437, 425DIG230, B29B 910
Patent
active
050529129
ABSTRACT:
A pellet production apparatus to be incorporated with an extruder for mass-producing pellets of plastics or the like. The apparatus includes a multi-perforated hollow cylindrical sheath acting as nozzles and a cylindrical rotor provided on its cylindrical surface with some lengthwise tapered-grooves and corresponding lengthwise ridge portions. The ridge portions act as cutters with the rotor rotatably inserted in the sheath. The rotor is further provided with an air blower for blowing compressed air radially and rotated by a driver exclusive to the rotor. A pellet material extruded from the extruder into the present apparatus is made to proceed along the grooves of the rotor, pushed out from the perforations of the sheath and then cut out into pellets by the ridge portions of the rotor as it rotates further. The thus produced pellets, which are apt to stick to the perforations, are blown off by the compressed air.
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Mackey James P.
Woo Jay H.
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