Patents Assigned to Nippon Hanpu Kogyo Co., Ltd.
  • Patent number: 4124049
    Abstract: A foldable liquid tank is provided for storing water, fire extinguishing fluid, or other liquids. The tank can be folded to a small size for convenient transportation and housing thereof. When filled with liquid, the tank takes the shape of a truncated globoid, the normal shape of the contained liquid in the form of a water drop by the pressure of the contained liquid.
    Type: Grant
    Filed: May 24, 1976
    Date of Patent: November 7, 1978
    Assignee: Nippon Hanpu Kogyo Co., Ltd.
    Inventor: Miyoichi Yamaguchi