Patents by Inventor Isao Origuchi

Isao Origuchi 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).

  • Expander roll
    Patent number: 7028946
    Abstract: An expander roll that has a plurality of metallic, cylindrical roll members is constructed to obtain sufficient liquidtightness, wherein a gap-facing concave portion 19 is formed in the outer circumferential surface of a ring-shaped elastic packing 17 with which a gap 18 between adjoining, cylindrical roll members 6A and 6B is closed, in addition, a required number of concave portions 21 are formed in both side parts of the gap-facing concave portion 19 so as to form pleat-like portions 22 and the outer circumferential surface of the pleat-like portion 22 is fixed to the inner circumferential surfaces of the cylindrical roll members 6A and 6B on the same side as the side of the outer circumferential surface of the pleat-like portion 22.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: April 18, 2006
    Assignee: Yamauchi Corporation
    Inventors: Kazuhiro Katsuhara, Yoshinobu Nakamura, Isao Origuchi
  • Expander roll
    Publication number: 20040110616
    Abstract: An expander roll that has a plurality of metallic, cylindrical roll members is constructed to obtain sufficient liquidtightness, wherein a gap-facing concave portion 19 is formed in the outer circumferential surface of a ring-shaped elastic packing 17 with which a gap 18 between adjoining, cylindrical roll members 6A and 6B is closed, in addition, a required number of concave portions 21 are formed in both side parts of the gap-facing concave portion 19 so as to form pleat-like portions 22 and the outer circumferential surface of the pleat-like portion 22 is fixed to the inner circumferential surfaces of the cylindrical roll members 6A and 6B on the same side as the side of the outer circumferential surface of the pleat-like portion 22.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 10, 2004
    Applicant: YAMAUCHI CORPORATION
    Inventors: Kazuhiro Katsuhara, Yoshinobu Nakamura, Isao Origuchi