Patents by Inventor Shouichi Matsugami

Shouichi Matsugami 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).

  • Powder feeding apparatus, pressing apparatus using the same, powder feeding method and sintered magnet manufacturing method
    Patent number: 6656416
    Abstract: A powder pressing apparatus comprises a powder feeding apparatus. The powder feeding apparatus includes a container having a bottom portion provided with a powder holding portion formed with openings, and an impactor. The impactor is hit against the container to give an impulsive force, thereby feeding the powder contained in the container into the cavity formed in a die via the openings. The powder fed in the cavity is pressed, and the obtained compact is sintered into a sintered magnet. The powder feeding apparatus may include a feeder box containing the powder, and the feeder box may be provided therein with a rod member, and an opening of the feeder box may be provided with a linear member. In this case, the powder is fed into the cavity while moving the rod member in the horizontal direction in the feeder box, when the feeder box is above the cavity.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: December 2, 2003
    Assignee: Sumitomo Special Metals Co., Ltd.
    Inventors: Akira Nakamura, Atsuo Tanaka, Shouichi Matsugami, Tadahiro Iwasaki, Yoshiro Takano
  • Powder feeding apparatus, pressing apparatus using the same, powder feeding method and sintered magnet manufacturing method
    Publication number: 20020051726
    Abstract: A powder pressing apparatus comprises a powder feeding apparatus. The powder feeding apparatus includes a container having a bottom portion provided with a powder holding portion formed with openings, and an impactor. The impactor is hit against the container to give an impulsive force, thereby feeding the powder contained in the container into the cavity formed in a die via the openings. The powder fed in the cavity is pressed, and the obtained compact is sintered into a sintered magnet. The powder feeding apparatus may include a feeder box containing the powder, and the feeder box may be provided therein with a rod member, and an opening of the feeder box may be provided with a linear member. In this case, the powder is fed into the cavity while moving the rod member in the horizontal direction in the feeder box, when the feeder box is above the cavity.
    Type: Application
    Filed: September 6, 2001
    Publication date: May 2, 2002
    Inventors: Akira Nakamura, Atsuo Tanaka, Shouichi Matsugami, Tadahiro Iwasaki, Yoshiro Takano