Internal mixer
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorsHodaka MIURA, Hiroomi KATANO, Martin C. GREEN
Life of this patent
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Abstract
An internal mixer includes a mixing chamber having a mixing room, a material input portion located above the mixing chamber, a weight, a driving device that raises and lowers the weight between a lower position where the weight can press a material to be kneaded in the mixing room from above and a retraction position where the weight is retracted upward from the lower position, a mixing rotor that kneads the material to be kneaded in the mixing room, and an exhausting device having an inner end portion facing the mixing room and provided in the mixing chamber and configured to be able to discharge gas generated during kneading of the material to be kneaded from the inner end to the outside of the mixing chamber.
Claims10
An internal mixer comprising:
- a mixing chamber having a mixing room with an upper opening;
- a material input portion located above the mixing chamber, having an inner space communicating with the mixing room, and configured to be able to feed a material of a material to be kneaded into the inner space;
- a weight provided in the inner space;
- a driving device configured to move the weight up and down between a lower position and a retraction position, the lower position being a position where the weight enters the mixing room and is capable of pressing the material to be kneaded in the mixing room from above, and the retraction position being a position where the weight retreats from the lower position to open the mixing room;
- a pair of mixing rotors configured to knead the material to be kneaded in the mixing room;
- and
- an exhausting device having an inner end portion facing the mixing room and provided in the mixing chamber, the exhausting device being configured to discharge gas generated during kneading of the material to be kneaded from the inner end portion to an outside of the mixing chamber.
Dependencies are inferred from the claim text.