Patent ID: 6193408
Filing Date: 2001-02-27
Classification: B01F,B28B,B28C

Abstract:
A mixer comprising a housing into which a powdered material and a quantity of water is introduceable, a rotary disc rotatably mounted within the housing, a plurality of lower pins fixedly secured on the disc substantially vertically, and a plurality of upper pins fixedly secured on a lower surface of an upper cover of the housing, so as to admix and agitate the powdered material with the water to produce a gypsum slurry,wherein said lower pins are provided with a rear bulged portion expanding rearward in a rotational direction of the disc, said bulged portion extending rearward in the rotational direction so as to allow the slurry to move backward along lateral surfaces of said lower pins and the lateral surfaces being joined together with each other so as to allow the slurry to rejoin together behind said lower pins.