Patents Assigned to Seicho Machinary Co., Ltd.
  • Drum type disc filter device for paper pulp slurry
    Patent number: 4220537
    Abstract: A drum type disc filter device for dehydrating paper pulp slurry. The drum and the disc filters are axial drain chambers and sector type filter members. Pressurized air is fed into the drain chambers sequentially when each drain chamber and corresponding filter members are at a predetermined angle of rotation of the drum. Paper guide plates are secured between the disc filters to guide separated paper pulp cakes safely into a chute without causing interference of lumping of the paper pulp cakes.
    Type: Grant
    Filed: December 5, 1978
    Date of Patent: September 2, 1980
    Assignee: Seicho Machinary Co., Ltd.
    Inventors: Risaburo Takahashi, Mitsuo Takahashi