Rubber extruding device and rubber extruding method
AssigneeSumitomo Rubber Industries, Ltd.
InventorMasayuki SAKAMOTO
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Abstract
A rubber extruding device for kneading and extruding unvulcanized rubber material, the rubber extruding device includes a mixer for kneading unvulcanized rubber material in a substantially closed mixing chamber, and an extruder comprising a rotatable screw shaft for kneading further the unvulcanized rubber material received from the mixer and for extruding the same, and at least one deaerator for sucking up a gas in the extruder.
Claims15
A rubber extruding device for kneading and extruding unvulcanized rubber material, the rubber extruding device comprising:
- a mixer for kneading unvulcanized rubber material in a substantially closed mixing chamber;
- and
- an extruder comprising a rotatable screw shaft for kneading further the unvulcanized rubber material received from the mixer and for extruding the same, and at least one deaerator for sucking up a gas in the extruder.
A method for kneading and extruding unvulcanized rubber material, the method comprising:
- a first kneading step of kneading unvulcanized rubber material in a substantially closed mixing chamber of a mixer;
- and
- a second kneading step of kneading further the unvulcanized rubber material received from the mixer using an extruder having a rotatable screw shaft while sucking up a gas in the extruder.
Dependencies are inferred from the claim text.