Patents by Inventor Hisataka Shibuya

Hisataka Shibuya 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).

  • Coating mechanism and coating method of powdery mold releasing agent
    Patent number: 6461669
    Abstract: There provided a powder supply means for supplying a powdery mold releasing agent to a basin and a pressure reduction means for reducing a pressure in a cavity, and in a casting work the powdery mold releasing agent is supplied through a basin into a cavity while reducing a pressure in the cavity.
    Type: Grant
    Filed: September 8, 2000
    Date of Patent: October 8, 2002
    Assignee: Hanano Corporation
    Inventors: Takashi Hanano, Hisataka Shibuya
  • Sleeve lubricating method and sleeve lubricating mechanism
    Patent number: 6039108
    Abstract: A sleeve lubricating mechanism which is able to positively coating a powder lubricant onto an inside surface of a molten metal feeding sleeve for a vertical shot casting machine. This mechanism is composed of an attachment which contacts with a molten metal feeding port of the sleeve to block it so as to bring a sleeve inside to a closed condition, a vacuum device sucking air from the sleeve inside through the attachment, and a powder feeding device discharging the powder lubricant together with air from a nozzle into the sleeve inside through the attachment.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: March 21, 2000
    Assignee: Hanano Corporation
    Inventors: Takashi Hanano, Hisataka Shibuya