Patents by Inventor Kiyokazu Kawanishi

Kiyokazu Kawanishi 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).

  • Pressure pouring furnace
    Patent number: 5259595
    Abstract: A pressure pouring furnace includes a molten metal chamber containing molten metal within a furnace body, a receiving siphon and a pouring siphon both communicating with each other at the bottom of the molten metal chamber, a furnace cover sealably covering the top of the molten metal chamber, and a pressuring unit connected to the furnace cover. In such a furnace, a plurality of pouring nozzles are arranged above a pouring chamber on top of the pouring siphon a distance apart from each other, and each of the plurality of pouring nozzles is provided with a stopper enabling it to be opened and closed from above.
    Type: Grant
    Filed: March 12, 1992
    Date of Patent: November 9, 1993
    Assignees: Fuji Electric Co., Ltd., Inax Corporation
    Inventors: Yasuo Nagasaka, Masahiro Isogai, Hideharu Motobayashi, Shizuo Hayashi, Kiyokazu Kawanishi, Akio Kaneshiro