Patents by Inventor Ryuzi Adachi

Ryuzi Adachi 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).

  • Refractory composition for flow casting
    Patent number: 4377413
    Abstract: A refractory composition for flow casting consists essentially of 100 parts by weight of refractory material, 0.1 to 2 parts by weight of sparingly water-soluble aluminum tripolyphosphate, 0.2 to 3 parts by weight of alkali metal silicate, 0.5 to 5 parts by weight of clay, up to 2/5 part by weight of organic binder per amount of clay, and 0.2 to 4 parts by weight of at least one hardening promoting reagent selected from the group consisting of calcium silicate and calcium aluminate.
    Type: Grant
    Filed: July 30, 1981
    Date of Patent: March 22, 1983
    Assignees: Nippon Steel Corporation, Nippon Crucible Company, Ltd.
    Inventors: Mitsuo Nomura, Shigeru Amano, Sho Okubo, Takuo Hosaka, Kunihiko Shiraishi, Ryuzi Adachi