Patents by Inventor Haruo Yoshizuka

Haruo Yoshizuka 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).

  • Patent number: 5439344
    Abstract: A device for counting and discharging corrugated cardboard boxes which is provided in a corrugated cardboard box making machine wherein a rotary screw is arranged for receiving corrugated cardboard boxes one by one forwarded thereto and successively stacking and storing said boxes vertically upward from the bottom, and when the number of the boxes have reached a predetermined number, a group of said boxes are sorted and discharged in a horizontal direction by a first and second pusher bars for a next manufacturing process wherein each of the pusher bars is provided with a dividing member for sorting the boxes.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: August 8, 1995
    Assignee: Kabushiki Kaisha Ishikawa Seisakusho, Ltd.
    Inventors: Haruo Yoshizuka, Junichi Takeda
  • Patent number: 5035683
    Abstract: The present invention relates to a folding device in a corrugated cardboard box making machine which is capable of adapting to a thickness of a corrugated cardboard sheet by regulating a space between a folding belt and an upper guide, and also capable of accurately making folding width of the corrugated cardboard sheet by regulating the position of a gauge belt. Having main transporting means for simultaneously positioning the folding belt, upper guide and gauge belt, the device is provided with an upper guide transporting means for independently regulating the position of the upper guide and a gauge belt transporting means for independently regulating the position of the gauge belt. The device is further provided with a control means for controlling the drive means and the gauge belt transporting of the upper guide transporting means.
    Type: Grant
    Filed: April 5, 1990
    Date of Patent: July 30, 1991
    Assignee: Kabushiki Kaisha Ishikawa Seisakusho Ltd.
    Inventors: Junichi Takeda, Haruo Yoshizuka