Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Cutter control
Patent
1979-03-21
1982-03-23
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Cutter control
425161, 425313, B29B 103
Patent
active
043210260
ABSTRACT:
A device for granulating plastic strands includes an extruder having a nozzle plate with boreholes arranged in front of a manifold and a starting valve connected thereto, and a cutting device with a knife head arranged centrally in a receiving housing wherein the cutting knives of the knife head rotate in the region of emergence of plastic strands which are acted on radially by a coolant. The cooling is accomplished by providing a cutting plate with cooling boreholes aligned axially with the nozzle boreholes of the nozzle plate. These cooling boreholes extend up to an insulating layer except for a recess which is connected to a coolant feedline for releasing at least one flow cross section of coolant which corresponds to the cooling boreholes.
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Publication--Modern Plastics--2/77.
Werner & Pfleiderer
Woo Jay H.
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