Patents by Inventor Yasunori Nakatsuka

Yasunori Nakatsuka 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).

  • Dipping and pouring apparatus for molten metal
    Patent number: 5330162
    Abstract: A dipping and pouring apparatus includes a molten metal holder which received a molten metal, a duct which is provided at the bottom of the molten metal holder and which opens into the air, and a valve member provided in the duct. The valve member is provided with a main axial passage opening into the air and at least one branch passage connected to the main passage. The valve member selectively connects the interior of the molten metal holder to the axial main passage.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: July 19, 1994
    Assignee: Meichuseiki Kabushiki Kaisha
    Inventors: Mitsukane Nakashima, Yasunori Nakatsuka, Toei Sano