Patents Assigned to Taisei Giken Co., Ltd.
  • Filter unit and filter
    Patent number: 6468320
    Abstract: A filter unit for removing particulates in a gas to be treated, which unit includes a gas impermeable bulkhead that forms a channel through which the gas advances in the filter unit at least one round, and a filter member laminated on at least one side surface of the bulkhead without closing the channel. The filter unit or filter of the present invention reduces a load on a harm removing equipment, which in turn lowers the cleaning frequency and markedly prolongs the service life of the equipment.
    Type: Grant
    Filed: November 24, 2000
    Date of Patent: October 22, 2002
    Assignees: Toyo Boseki Kabushiki Kaisha, Taisei Giken Co., Ltd.
    Inventors: Tatsuaki Sumitani, Tomomi Takahashi, Masao Ieno, Yoshitaka Saito