Patents by Inventor Kiyoshi Fujikake

Kiyoshi Fujikake 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).

  • Method of cutting thin-walled material
    Patent number: 8701530
    Abstract: A method is provided to cut a thin-walled member without causing chattering vibration, without using a chattering vibration preventing retainer, that performs the following: (A) preparing a material having much stock for obtaining a thin-walled material, (B) while rotating the material about a center axis, cutting the inner round surface of the material within a predetermined range by feeding a cutting tool relative to material by the desired distance from one end side to the other end side of the material along the center axis, (C) while rotating the material about the center axis, cutting the outer round surface of the material within a predetermined range by feeding the cutting tool relative to the material by the desired distance from the one end side to the other end side of the material along the center axis, and (D) alternately repeating (B) and (C) to finish cutting the material.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: April 22, 2014
    Assignee: IHI Corporation
    Inventors: Hiroyuki Ochiai, Masaharu Yano, Kiyoshi Fujikake, Yoshio Takimoto, Yutaka Watanabe
  • METHOD OF CUTTING THIN-WALLED MATERIAL
    Publication number: 20110120278
    Abstract: A method is provided to cut a thin-walled member without causing chattering vibration, without using a chattering vibration preventing retainer, that performs the following: (A) preparing a material having much stock for obtaining a thin-walled material, (B) while rotating the material about a center axis, cutting the inner round surface of the material within a predetermined range by feeding a cutting tool relative to material by the desired distance from one end side to the other end side of the material along the center axis, (C) while rotating the material about the center axis, cutting the outer round surface of the material within a predetermined range by feeding the cutting tool relative to the material by the desired distance from the one end side to the other end side of the material along the center axis, and (D) alternately repeating (B) and (C) to finish cutting the material.
    Type: Application
    Filed: July 16, 2009
    Publication date: May 26, 2011
    Applicant: IHI CORPORATION
    Inventors: Hiroyuki Ochiai, Masaharu Yano, Kiyoshi Fujikake, Yoshio Takimoto, Yutaka Watanabe