D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 5/06 (2006.01) D21B 1/14 (2006.01) D21D 1/20 (2006.01) D21D 1/38 (2006.01) D21D 5/02 (2006.01) D21D 5/16 (2006.01)
Patent
CA 2066462
ABSTRACT OF THE DISCLOSURE A paper material screening and refining apparatus has a tank which receives a paper material to allow the paper material to accumulate therein; a cylindrical screen which divides the space in the tank into a primary chamber and a secondary chamber; a cylindrical rotary member carried by a rotary shaft and disposed so as to oppose to the screen; a rotational member carried by the rotary shaft and disposed near the end of the tank remoter from the paper material receiving end of the tank; a water supply pipe for supplying water into the primary chamber from the region near the rotational member; a water supply valve provided in the water supply pipe; a discharge pipe for discharging the paper material in the primary chamber of the tank from a region near the rotational member; and a discharge valve provided in the discharge pipe. Water is introduced into the primary chamber from a region near the rotational member, so as to dilute the material liquid or slurry and to realize a state resembling "scrambling washing" as a result of collision between the introduced water and the paper material, thus promoting dissociation of the paper material, whereby the paper material is efficiently screened and refined by the screen.
Satomi Hitoshi
Satomi Seisakusho Co. Ltd.
Sim & Mcburney
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