Patents by Inventor Nobutaka Ishibashi

Nobutaka Ishibashi 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).

  • Paper-web holding apparatus for rotary printing press
    Patent number: 6769359
    Abstract: A paper-web holding apparatus is provided in a rotary printing press having rollers which form a path for a paper web fed from a paper web feeding unit to travel along to a folding unit via a press unit and around which the paper web is wrapped. The paper-web holding apparatus includes a rotation restraint mechanism provided for at least one selected roller, and a propeller roller mechanism provided for the selected roller. The rotation restraint mechanism restrain rotation of the roller when the rotary printing press is halted, and allows rotation of the roller when the rotary printing press is operated. The propeller roller mechanism has a pressing member which is advanced toward the roller in order to apply pressing force to the roller at least when the rotary printing press is in a halt state.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: August 3, 2004
    Assignee: Tokyo Kikai Seisakusho, Ltd.
    Inventors: Nobutaka Ishibashi, Kazuo Yamaguchi, Yoshihiro Iwahashi
  • Paper-web holding apparatus for rotary printing press
    Publication number: 20030145746
    Abstract: A paper-web holding apparatus is provided in a rotary printing press having rollers which form a path for a paper web fed from a paper web feeding unit to travel along to a folding unit via a press unit and around which the paper web is wrapped. The paper-web holding apparatus includes a rotation restraint mechanism provided for at least one selected roller, and a propeller roller mechanism provided for the selected roller. The rotation restraint mechanism restrain rotation of the roller when the rotary printing press is halted, and allows rotation of the roller when the rotary printing press is operated. The propeller roller mechanism has a pressing member which is advanced toward the roller in order to apply pressing force to the roller at least when the rotary printing press is in a halt state.
    Type: Application
    Filed: October 4, 2002
    Publication date: August 7, 2003
    Applicant: TOKYO KIKAI SEISAKUSHO, LTD.
    Inventors: Nobutaka Ishibashi, Kazuo Yamaguchi, Yoshihiro Iwahashi