Patents by Inventor Katuro Hikita

Katuro Hikita 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).

  • Gas hardening type molding machine
    Patent number: 4531565
    Abstract: Disclosed is a gas hardening type molding machine wherein a vertical type molding box is disposed under a molding sand hopper having an upper part opened and a bottom part provided with a sand discharge port, and a mold cavity in the vertical split type molding box is communicated with both a vacuum device and a hardening gas generator through stop valves, thereby to conduct both the filling of molding sand and the permeation of a hardening gas by utilizing the suction operation of the vacuum device.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 30, 1985
    Assignee: Sintokogio Ltd.
    Inventors: Nagato Uzaki, Kazuharu Matui, Shigehiro Toyoda, Katuro Hikita