Patents Assigned to Mirae Green Construction Co., Ltd.
  • Apparatus for preventing soil inflow in intercepting sewer
    Patent number: 7648310
    Abstract: Disclosed herein is a soil inflow prevention apparatus in which an angular-rotation opening/closing plate is adapted to be inclined within a predetermined angle by virtue of opening stoppers to prevent a rear portion of the opening/closing plate from being excessively lowered in the beginning that an inflow amount of sewage increases due to rainfall, thereby preventing soil from entering an intercepting sewer in the beginning of an inflow of sewage.
    Type: Grant
    Filed: September 8, 2005
    Date of Patent: January 19, 2010
    Assignee: Mirae Green Construction Co., Ltd.
    Inventors: Sung-woo Lee, In-jae Jeon