Patents by Inventor Munekatsu Tomita

Munekatsu Tomita 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).

  • Process for washing molding die for cold box process and washing apparatus therefor
    Patent number: 6220334
    Abstract: A molding die for a cold box process is opened after usage. Washing water is heated at a temperature of 70° C. or more, and is blown to a molding surface of the molding die at a high pressure of 10 MPa or more. The cold-box-process molding die can be washed by this process easily and fully.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: April 24, 2001
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Munekatsu Tomita, Haruyoshi Hirano, Hideaki Shimizu, Hidetoshi Nakamura