Patents by Inventor Kouichi Matsubayashi

Kouichi Matsubayashi 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).

  • Electric motor injection apparatus for vertical injection molding machine
    Patent number: 5914139
    Abstract: An electric motor type injection apparatus for a vertical molding machine which is compact in size and can be installed on a square measure limited is provided. According to this apparatus, an improper movement due to self-weight of injection mechanism members can be prevented, and deviation of a nozzle tip resulting in the cause of damage of a nozzle tip and a gate can be corrected.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: June 22, 1999
    Assignee: Nissei Plastic Industrial Co., Ltd.
    Inventors: Kouichi Matsubayashi, Takao Shimizu, Nobusuke Takahashi
  • Toggle type vertical clamping apparatus using electric motor
    Patent number: 5851699
    Abstract: A toggle mechanism in a vertical clamping apparatus for an injection mold is supported by spring forces when operated by an electric motor in the vicinity of the mold's closing to counteract the effect of gravity on operation of the mold.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: December 22, 1998
    Assignee: Nissei Plastic Industrial Co., Ltd.
    Inventors: Kouichi Matsubayashi, Nobusuke Takahashi