Patents by Inventor Kazutosi Ogata

Kazutosi Ogata 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 for continuous drawing of wire rod
    Patent number: 4688411
    Abstract: A wire rod is payed out from a pay-off stand and descaled in a descaling process. After preheating to a predetermined temperature by a preheating device, it is subjected to a lubrication pretreatment through a zinc calcium phosphate solution applied with ultrasonic wave in the lubrication pretreatment process. After rinsing process, the lubrication-pretreated wire rod is coated with a calcium stearate or a sodium stearate in lubricating process. Thereafter, the wire rod is dried sufficiently in drying process, and then added with a predies lubricant in wire drawing process and coiled by a coiler.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: August 25, 1987
    Assignee: Sumitomo Metal Industries, Inc.
    Inventors: Hyoji Hagita, Takashi Fukuda, Shigeru Maeda, Hideo Imamura, Kazutosi Ogata, Masahiro Fukuoka