Patent ID: 6099159
Filing Date: 2000-08-08
Classification: B01F,B29B,B29C

Abstract:
A continuous mixing feeder comprising:a barrel;a screw provided rotatably in the barrel, said screw including an axis part;rotation drive means for rotating the screw;a quantitative extruding zone including a front side cylindrical part having a supply opening for supplying a main material on the upstream end side of the barrel and an extruding part having a full flight provided on the peripheral surface of the axis part of the screw;a mixing zone including a trough part with a substantially U-shaped cross-section, having at least one additive supply opening on the upstream end side of the trough part, and a mixing part having a plurality of plate-like agitating blades projecting in the radial direction formed zigzag with a distance between each other along the axial direction on the peripheral surface of the axis part of the screw, and a ribbon screw supported by the agitating blades and spaced a distance with respect to the peripheral surface of the axis part; anda scraping out zone including a rear side cylindrical part having a discharge opening for discharging a mixture from the scraping out zone on the downstream end side of the barrel, and a scraping out part having a scraping agitating blade on the peripheral surface of the axis part of the screw,wherein said extruding zone, said mixing zone, and said scraping out zone are formed in order from the upstream side of the barrel and the screw.