Patents Assigned to Tayo Boseki Kabushiki Karsha
  • Hollow fiber package body and its production
    Patent number: 4430219
    Abstract: A hollow fiber package body for separation of fluid comprising a core and layers of hollow fibers having a selective permeability to fluid arranged around said core, said hollow fiber layers being formed by tape-like bundles of hollow fibers and composed of the arrangement of hollow fibers in nearly parallel relations one another and in a flat state, and said hollow fiber bundles being arranged in multi-layers by intersecting at least at a spot between one end and the other end of said package body.
    Type: Grant
    Filed: June 24, 1982
    Date of Patent: February 7, 1984
    Assignee: Tayo Boseki Kabushiki Karsha
    Inventors: Hideshi Kuzumoto, Tutomu Tanaka, Hiroshi Matsumoto