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    • 95. 发明专利
    • PAPER FORMATION AND APPARATUS FOR THE SAME
    • JPH10237782A
    • 1998-09-08
    • JP6909697
    • 1997-03-06
    • TOKUSHU PAPER MFG CO LTD
    • HANATANI MORIMASA
    • D21F1/44D21F1/60
    • PROBLEM TO BE SOLVED: To provide a method for forming a paper having an improved fiber orientation, yield and properties, and good watermarked pattern, by which the constitution of paper-forming units is readily changed according to a kind of various fiber raw material, which is determined according to the kind of the paper to be formed, and freeness, concentration, loading material condition, basis weight, watermarked pattern, watermarking size and a sheet forming condition such as sheet-forming velocity. SOLUTION: This apparatus for paper formation has a nonrotating cylindrical body having a water-discharging opening divided by suction regions in the interior and slidably installed at the center part, a conical ring body with grooves rotating around the cylindrical body and slidable on the cylindrical body, a wire net supported by many supporters between disks 3 and 4 installed in both axis directions of the conical ring body, a rotating freely expandable partition 5 inserted in the centrifugal direction, and a suction circular net freely drawn and inserted, constituted so that a suitable paper forming may be carried out under various papermaking conditions.