Patents by Inventor Takehiro Hishinuma

Takehiro Hishinuma 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).

  • Patent number: 4343212
    Abstract: A shearing device wherein a shear main body including an upper and a lower blades one of which is moved toward or away from the other for shearing an ingot is provided with an eccentric so that when the shear main body swings in synchronism with an ingot to be cut which is continuously moving, the upper and lower blades may be moved substantially horizontally in the direction of the passage of the ingot especially when the shearing of the ingot occurs, thereby preventing the "nose bending" of the ingot. A plurality of upper and lower blades are provided for shearing a plurality of ingots in side-by-side relationship wherein the drive mechanism for each upper and lower blade pair includes a plurality of hydraulic cylinders aligned in the direction of ingot movement in order to reduce spacing between ingots.
    Type: Grant
    Filed: June 15, 1979
    Date of Patent: August 10, 1982
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Takehiro Hishinuma, Yutaka Tsuchida
  • Patent number: 4145942
    Abstract: Disclosed is a shearing device wherein a shear main body including an upper and a lower blades one of which is moved toward or away from the other for shearing an ingot is provided with eccentric means so that when the shear main body swings in synchronism with an ingot to be cut which is continuously moving, the upper and lower blades may be moved substantialy horizontally in the direction of the passage of the ingot especially when the shearing of the ingot occurs, thereby preventing the "nose bending" of the ingot.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: March 27, 1979
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Takehiro Hishinuma, Yutaka Tsuchida