Patents by Inventor Kiyoji Ino

Kiyoji Ino 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).

  • Four-roller type sizing mill apparatus for producing round steel rods
    Patent number: 5363682
    Abstract: A four-roller type sizing mill apparatus for forming round steel rods, comprises two four-roller mills each having two pair of facing rollers. One pair of facing rollers is arranged in rolling direction perpendicular to the rolling direction of the other pair of rollers. The two four-roller mills are arranged in line, with the rolling direction of one of the two four-roller mills being shifted by 45.degree. from the rolling direction of the other four-roller mill. The two pair of rollers of a first four-roller mill positioned closer to the rolling material inlet are separated from each other by a distance which is greater than zero and not greater than five times the projected contact length of one of the pair of rollers positioned closer to the rolling material inlet.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: November 15, 1994
    Assignees: Kawasaki Steel Corporation, Kotobuki Sangyo Co., Ltd.
    Inventors: Ryo Takeda, Eisuke Yamanaka, Hidenori Kondo, Kiyoji Ino, Hiroshi Hagihara, Takaya Suzuki, Sadao Yoshizawa, Atsumu Nakamura