Patents by Inventor Syuuhei ISHIBASHI

Syuuhei 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).

  • Bottom-pouring-type ladle, and melt-pouring method using it
    Patent number: 9981311
    Abstract: A method for pouring a melt using a bottom-pouring-type ladle comprising a melt-pouring nozzle and a stopper rod, comprises an opening step, in which the stopper rod is separate from the nozzle; a first closing step, in which the stopper rod moves downward, such that a lower end portion of the stopper rod comes into contact with a tapered surface of the nozzle when the horizontal distance between their center axes becomes 2 mm or more; and a second closing step, in which a lower end portion of the stopper rod further moves downward along the tapered surface of the nozzle to close the nozzle.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 29, 2018
    Assignee: HITACHI METALS, LTD.
    Inventors: Kentaro Fukumoto, Syuuhei Ishibashi
  • BOTTOM-POURING-TYPE LADLE, AND MELT-POURING METHOD USING IT
    Publication number: 20160023271
    Abstract: A method for pouring a melt using a bottom-pouring-type ladle comprising a melt-pouring nozzle and a stopper rod, comprises an opening step, in which the stopper rod is separate from the nozzle; a first closing step, in which the stopper rod moves downward, such that a lower end portion of the stopper rod comes into contact with a tapered surface of the nozzle when the horizontal distance between their center axes becomes 2 mm or more; and a second closing step, in which a lower end portion of the stopper rod further moves downward along the tapered surface of the nozzle to close the nozzle.
    Type: Application
    Filed: March 10, 2014
    Publication date: January 28, 2016
    Applicant: HITACHI METALS, LTD.
    Inventors: Kentaro FUKUMOTO, Syuuhei ISHIBASHI