Patents by Inventor Syoji Eguchi

Syoji Eguchi 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 SHEARING THIN PLATE
    Publication number: 20110174125
    Abstract: Provided is a method of shearing a thin plate with high quality without a need for narrowing a clearance by precision machining. The method comprises: placing a thin plate (1) having at least one non-metal layer (1b), between a punch (3) and a die (2) having a shearing hole (2a); and relatively moving the punch (3) toward and with respect to the shearing hole (2a) to thereby shear the thin plate (1), wherein the relative movement of the punch (3) is stopped to complete the shearing, before the punch (3) penetrates through the thin plate (1) and becomes fitted into the shearing hole (2a).
    Type: Application
    Filed: July 31, 2009
    Publication date: July 21, 2011
    Applicant: NIPPON TUNGSTEN CO., LTD.
    Inventors: Makoto Funabiki, Ryuichi Sakamoto, Syoji Eguchi, Nobuyuki Izuhara, Koichi Ibusuki, Takaaki Oshino, Sigeru Matsuo