Twin conical screw extruder provided with pressurizing members
OwnerMasao Moriyamainventor
Life of this patent
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Abstract
A twin conical screw extruder which includes a twin conical container having a material inlet port, a material extruding port on the opposite side of the material inlet port, and an inner conical wall surface converging toward the material extruding port, a pair of conical screw rotors accommodated in the twin conical container, each of the conical screw rotors having a free end adjacent to the material extruding port and a base portion rotatably supported such that the screws of the two rotors intermeshingly rotated in two different directions and a pressurizing device provided in each free end of the screw rotors so as to forcibly keep the free ends of the screw rotors in contact with each other at a predetermined contact pressure so as to overcome a pressure arising from the extruding operation.
Claims2
A twin conical screw extruder comprising:
- a twin conical container having a material inlet port, a material extruding port on an opposite side of the material inlet port, and an inner conical wall surface converging toward the material extruding port;
- a pair of conical screw rotors accommodated in the twin conical container, each of the conical screw rotors having a free end adjacent to the material extruding port and a base portion rotataby supported such that the screws of the two conical screw rotors are intermeshed and rotated in different directions;
- and
- pressurizing means provided in each free end of the conical screw rotors for forcibly keeping the free ends of the conical screw rotors in contact with each other at a predetermined contact pressure so as to overcome a pressure arising from the extruding operation to prevent separation of the free ends of the rotors.
Dependencies are inferred from the claim text.