Screen apparatus

Details Screen apparatus Screen apparatus

D - Textiles, Paper

21

D

D21D 5/16 (2006.01)

Patent

CA 2420431

A screen apparatus includes a tank, a first cylindrical screen disposed inside the tank to form a first chamber, and a second cylindrical screen disposed outside the first cylindrical screen. The second cylindrical screen defines a first chamber section facing the first cylindrical screen-and having upper and lower portions communicating with an inlet portion, and a second chamber section. A connection member has a groove facing the first chamber section at an intermediate portion of the second cylindrical screen, and a passage communicating with the groove for discharging paper stock. The paper stock flows to the first chamber section through the upper and lower portions. A part of the paper stock passing through the first and second cylindrical screens is discharged through first and second selection outlet portions, and a part of the paper stock not passing through the first and second cylindrical screens is discharged through the passage.

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