Patents Assigned to Sanki Vinyl Kabushiki Kaisha
  • File
    Patent number: 4706396
    Abstract: The file is equipped with a plurality of bags, which are vertically stacked, between the front cover and the back cover being unfoldable. The vertically adjoining bags are connected by way of the connecting part one to another and the upper bags can be shifted from the lower bags in the direction opposite to the opening section within the allowable range of the connecting part so that the opening section of the lower bags may be exposed from the upper bags. The knob is provided on the uppermost bag.
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: November 17, 1987
    Assignee: Sanki Vinyl Kabushiki Kaisha
    Inventor: Tetsuro Nomura