Patents by Inventor Katsuzi Iizuka

Katsuzi Iizuka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Vertical type forming, filling and closing machine for flexible package
    Patent number: 5241804
    Abstract: The present invention provides a vertical type forming, filling and closing machine for filling fluid substance discharged from an injection nozzle to a predetermined height into a bag and packaging the same, which comprises:upper surface height detecting means for detecting the height of the upper surface of fluid substance filled in the bag;a cylinder connected to the injection nozzle for moving the injection nozzle upwardly and downwardly; anda controlling apparatus for controlling the cylinder in response to the result of detection of the upper surface height detecting means to move the injection nozzle upwardly or downwardly;the controlling apparatus controlling the cylinder so that the discharging opening of the injection nozzle is always buried, during filling, to a predetermined level from the upper surface of the fluid substance filled in the bag.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: September 7, 1993
    Assignee: Orihiro Co., Ltd.
    Inventors: Orihiro Tsuruta, Katsuzi Iizuka