Patents by Inventor Eisuke Akiyoshi

Eisuke Akiyoshi 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).

  • Measuring lance for molten metal such as steel
    Patent number: 4002069
    Abstract: An improved measuring lance to be inserted into a bath of molten metal, for example, molten steel, is disclosed having thermocouples on its tip end and in its receptacle chamber, respectively. The lance is provided with means to discharge air from inside a cover for a thermocouple in a receptacle chamber. A deoxidation chamber made of steel may be provided in the lance. Means to spray gas from around the connector of the lance may also be provided. These means assure accurate measuring of the temperature, composition, etc. of the bath.
    Type: Grant
    Filed: May 14, 1975
    Date of Patent: January 11, 1977
    Assignee: Nippon Steel Corporation
    Inventors: Yozo Takemura, Eisuke Akiyoshi, Hiroshi Matsukubo, Toshihiko Shibata