Plastic article or earthenware shaping or treating: apparatus – Shaping orifice and downstream work contacting gaseous...
Patent
1995-11-14
1997-06-24
Thurlow, Jeffery R.
Plastic article or earthenware shaping or treating: apparatus
Shaping orifice and downstream work contacting gaseous...
264142, 264169, 425232, 425311, 425313, B28B 1116, B29B 906
Patent
active
056415222
ABSTRACT:
A stationary axle is secured adjacent to an extruder of plastic or other material forming a strand. A rotor rotates about the axle and carries a plurality of axially extending cutters for pelletizing the strand. The shaft has an internal fluid conduit carrying pressurized air. A sleeve is fixed to and over the shaft and has a recess forming a fluid manifold in communication with the conduit and the rotor. The recess has a given angular extent about the sleeve. A plurality of annularly spaced linear arrays of passages in the rotor communicate with the recess manifold in accordance with their angular position about the shaft. The passages of each array are aligned with the edge of a different cutter for sequentially generating arrays of streams of pressurized air impinging upon the cutters after pelletizing as the rotor rotates.
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Squire William
Thurlow Jeffery R.
Werner & Pfleiderer Corporation
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