Patents by Inventor Yuhji Iiizumi

Yuhji Iiizumi 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: 5669540
    Abstract: A mechanism for drawing superimposed webs in a rotary press comprises: a drag roller provided between a printing press and a folding machine so as to be rotated and driven at a peripheral velocity suitably higher than that of a plate cylinder; a plurality of propeller rollers operative for selective engagement with or disengagement from the edge portions at the respective sides of a plurality of printing webs which are superimposed upon each another and wound around the outer peripheral surface of the drag roller, the propeller rollers being rotatable and provided along the outer peripheral surface of the drag roller at both ends thereof; and pressing apparatus for pressing the propeller rollers onto the edge portions of the printing webs.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: September 23, 1997
    Assignee: Tokyo Kikai Seisakusho, Ltd.
    Inventors: Tkashi Iijima, Yuhji Iiizumi, Toshio Kobayashi