Patents Assigned to Imaharu Kasei Co., LTD
  • FRP double-wall tank and producing method therefor
    Patent number: 5829625
    Abstract: The invention aims to provide a FRP double-wall tank and a producing method therefor which can provide improved productivity and cost efficiency, the FRP double-wall tank comprising an inside wall of reinforced plastics and an outside wall of reinforced plastics covering said inside wall, and further comprising a sheet having cavities interposed between said inside wall and said outside wall and a film interposed between said sheet and said outside wall.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: November 3, 1998
    Assignee: Imaharu Kasei Co., LTD
    Inventor: Masahiro Imagawa