Patents by Inventor Kohichi Kakinaka

Kohichi Kakinaka 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).

  • Injection molding machine having a heated nozzle touch plate
    Patent number: 6015281
    Abstract: In an injection molding machine, a fixed platen 2 is provided with an air cylinder 11 through a bracket 13 and a nozzle touch plate 10 is coupled to an end of a piston rod 12 of the air cylinder 11. The piston rod 12 is extendably and contractedly driven so that the nozzle touch plate 10 is moved forward and backward between a closed position where the tip opening 9a of the nozzle 9 can be closed and a retreated position where the opening 9a can be opened. On the nozzle touch plate 10, a spherical recess portion slightly larger in radius than the tip sphere of the nozzle 9 is formed as an abutment portion 10a, and a heater 14 for adjusting the temperature is disposed in the nozzle touch plate 10. Alternatively, a passage may be formed in the nozzle touch plate 10 so that a medium of an optimum temperature can be circulated and supplied.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: January 18, 2000
    Assignees: Kabushiki Kaisha Meiki Seisakusho, Sanko Gosei Ltd.
    Inventors: Motonori Chikazawa, Kohichi Kakinaka, Shozo Honda