Patents Assigned to Yugen Kaisha Clean Up System
  • Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
    Patent number: 5437698
    Abstract: The present invention is a structured body for drainage treatment which is an unit box composed of a top panel having multiple weep holes and downward cylinders provided therein and side walls having multiple weep holes and joints for connection, which can be spread to a desired size by connecting these unit boxes.The structured body for drainage treatment can be used as a material for drainage of sports grounds, roads, parks, golf links, stockhouses, riding grounds and the like, as an antifreezing material for roads in cold districts, and as a material for preparing tree-planting ground in the concrete portion on the roof, desert areas and the like.Furthermore, the present invention includes and impounding and flushing system to prevent muddy earth (sludge) from sedimenting in the concrete face of the like on the building roof which s the face that the structured body for drainage treatment described above is to be placed.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: August 1, 1995
    Assignee: Yugen Kaisha Clean Up System
    Inventor: Sadaishi Furukawa
  • Particularly, a structured body for the drainage treatment for the preparation for tree-planting ground, and its impounding and flushing system
    Patent number: 5373661
    Abstract: The present invention is a structured body for drainage treatment which is an unit box composed of a top panel having multiple weep holes and downward cylinders provided therein and side walls having multiple weep holes and joints for connection, which can be spread to a desired size by connecting these unit boxes.The structured body for drainage treatment can be used as a material for drainage of sports grounds, roads, parks, golf links, stockhouses, riding grounds and the like, as an antifreezing material for roads in cold districts, and as a material for preparing tree-planting ground in the concrete portion on the roof, desert areas and the like.Furthermore, the present invention includes and impounding and flushing system to prevent muddy earth (sludge) from sedimenting in the concrete face of the like on the building roof which s the face that the structured body for drainage treatment described above is to be placed.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: December 20, 1994
    Assignee: Yugen Kaisha Clean Up System
    Inventor: Sadaishi Furukawa