Patents by Inventor Jousuke Yamaguchi

Jousuke Yamaguchi 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).

  • Means and method for reducing radius expansion in the bending of elongated materials
    Patent number: 4122697
    Abstract: A means and method is provided for reducing radius expansion of bent, elongated materials due to "spring-back" occurring after the material is released from the bender clamps of a hot bending apparatus, wherein the longitudinal axis of the unbent portion of the material is displaced by a small angle from a perpendicular to a line running through the center of the bend and the bender heating means.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: October 31, 1978
    Assignee: Daiichi Koshuha Kogya Kabushiki Kaisha
    Inventors: Susumu Hanyo, Jousuke Yamaguchi, Yoshiyuki Morishita, Itoshi Noguchi
  • Bending method and apparatus with slidable clamp
    Patent number: 4098106
    Abstract: A pipe bending apparatus includes a pivotable bending arm carrying a means for engaging the pipe including an outer clamp attached to the arm and an inner clamp contacting the pipe and slidable within the outer clamp.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: July 4, 1978
    Assignee: Daiichi Koshuha Kogyo Kabushiki Kaisha
    Inventor: Jousuke Yamaguchi