Patents by Inventor Shunichiro Ito

Shunichiro Ito 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).

  • Method of detection of abnormality of squeeze pin and molding machine
    Patent number: 7370687
    Abstract: A molding machine able to stably detect an abnormality of a squeeze pin, for example, a die cast machine having a squeeze pin able to apply pressure to a melt of a cavity repeatedly performing a molding cycle including a pressing process making the squeeze pin advance and applying pressure to the melt of the cavity in a state where the melt is filled in the cavity and a spray process making the squeeze pin advance and performing at least one of lubrication and cooling of the squeeze pin in the state where the melt is not filled in the cavity, and, in the spray process, detecting a stroke of the squeeze pin and detecting an abnormality of the squeeze pin based on a comparison of the detection result about the stroke and a predetermined reference value.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: May 13, 2008
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventors: Yukio Mizota, Shunichiro Ito
  • METHOD OF DETECTION OF ABNORMALITY OF SQUEEZE PIN AND MOLDING MACHINE
    Publication number: 20070193712
    Abstract: A molding machine able to stably detect an abnormality of a squeeze pin, for example, a die cast machine having a squeeze pin able to apply pressure to a melt of a cavity repeatedly performing a molding cycle including a pressing process making the squeeze pin advance and applying pressure to the melt of the cavity in a state where the melt is filled in the cavity and a spray process making the squeeze pin advance and performing at least one of lubrication and cooling of the squeeze pin in the state where the melt is not filled in the cavity, and, in the spray process, detecting a stroke of the squeeze pin and detecting an abnormality of the squeeze pin based on a comparison of the detection result about the stroke and a predetermined reference value.
    Type: Application
    Filed: February 20, 2007
    Publication date: August 23, 2007
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventors: YUKIO MIZOTA, Shunichiro Ito