Patents by Inventor Kenzi Kono

Kenzi Kono 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).

  • Gas-feeding device for injection molding
    Patent number: 5545027
    Abstract: A gas-feeding device as follows:(A) a gas-feeding nozzle and(B) gas-feeding nozzle shifting device for putting a top portion of the gas-feeding nozzle in forward and backward movement in a guide portion which is provided in a mold and communicates with a cavity and an outside of the mold,the gas-feeding device being used for feeding a pressurized gas through the gas-feeding nozzle into a molten resin injected into the cavity of the mold attached to an injection molding machine for producing a molded article having a hollow portion,wherein:a clearance is provided between the top portion of the gas-feeding nozzle and the guide portion, andat least part of the top portion of the gas-feeding nozzle is out of contact with the guide portion when the molten resin is injected into the cavity.
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: August 13, 1996
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Akimasa Kaneishi, Kenzi Kono