Patents by Inventor Keisuke Gozu

Keisuke Gozu 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).

  • Apparatus and method for repairing a damaged portion in a tubular member made of refractory material
    Patent number: 7029254
    Abstract: There are provided a shaft adapted for introduction into a tubular member made of refractory material and an expander provided on a leading edge of the shaft. The expander has both ends provided with a repairing material container and a seat plate. With the repairing material container having monolithic refractory material loaded therein confronted to a damaged portion in an inner wall of the tubular member, the expander is expanded by a driving motor to push the repairing material container toward the damaged portion while pushing the seat plate in contact with a wall surface opposite to the damaged portion in behind. Thus, the monolithic refractory material is filled and deposited in the damaged portion under remote control.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: April 18, 2006
    Assignee: Plibrico Japan Company Ltd.
    Inventors: Keisuke Gozu, Tomoya Tanaka, Katsumi Nonaka
  • Apparatus and method for repairing a damaged portion in a tubular member made of refractory material
    Publication number: 20030067087
    Abstract: There are provided a shaft adapted for introduction into a tubular member made of refractory material and an expander provided on a leading edge of the shaft. The expander has both ends provided with a repairing material container and a seat plate. With the repairing material container having monolithic refractory material loaded therein confronted to a damaged portion in an inner wall of the tubular member, the expander is expanded by a driving motor to push the repairing material container toward the damaged portion while pushing the seat plate in contact with a wall surface opposite to the damaged portion in behind. Thus, the monolithic refractory material is filled and deposited in the damaged portion under remote control.
    Type: Application
    Filed: October 10, 2002
    Publication date: April 10, 2003
    Applicant: Pilbrico Japan Company Ltd.
    Inventors: Keisuke Gozu, Tomoya Tanaka, Katsumi Nonaka