Patents by Inventor Yasuzou Tuchida

Yasuzou Tuchida 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).

  • Method and apparatus for maintaining uniformity of mixed dust slurry stored in a basin
    Patent number: 4089507
    Abstract: A method and apparatus is disclosed for maintaining the uniformity of a mixed dust slurry stored in a basin, the mixture comprising blast furnace dust slurry, steel furnace dust slurry (defined in the specification) and, if necessary, dry dust or filtrated cake and having a relatively high concentration -- 32% by weight or more -- of solids. The mixture in the storage basin is stirred or agitated by injecting gas or the liquid to be used in the mixture itself into the basin. The method and apparatus are utilized as a part of a system for manufacturing reduced pellets from the dust discharged in an iron foundry or steel mill.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: May 16, 1978
    Assignees: Sumitomo Heavy Industries, Ltd., Sumitomo Metal Industries, Ltd.
    Inventors: Izumi Arai, Yasuteru Yamada, Akio Mutsuta, Hirotoshi Hirano, Yasuzou Tuchida