Patents by Inventor Ziro Nakano

Ziro Nakano 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: 4171984
    Abstract: A refractory composition for flow casting, comprising (1) 100 parts by weight of a refractory material and (2) about 1.15 to 9.4 parts by weight of a binder consisting of an alkali metal silicate, sparingly water-soluble aluminum tripolyphosphate and at least one of an organic paste and a clay, the refractory composition being capable of being kneaded with water prior to use.
    Type: Grant
    Filed: April 7, 1978
    Date of Patent: October 23, 1979
    Assignees: Nippon Crucible Co., Ltd., Teikoku Kako Co., Ltd.
    Inventors: Takuo Hosaka, Kunihiko Shiraishi, Ziro Nakano, Masanori Kinugasa