Patents by Inventor Mitsuo Kuwazuru

Mitsuo Kuwazuru 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).

  • Extrusion die head
    Patent number: 8985992
    Abstract: When extrusion molding is conducted continuously for a long period of time, in order to prevent a die drool from being generated at an outlet of an extruder, to a shell 2 in which an outlet 3, through which a melt-kneaded resin material is extruded by an extruder, is formed, a plate-like shell tip 6 in which an opening 7 which is arranged such that it surrounds the outlet 3 along the circumference thereof is detachably attached, and non-sticky coating is applied at least along the outer surface of the core tip.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: March 24, 2015
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Mitsuo Kuwazuru, Jou Honda, Takuji Hashimoto
  • EXTRUSION DIE HEAD
    Publication number: 20130149406
    Abstract: When extrusion molding is conducted continuously for a long period of time, in order to prevent a die drool from being generated at an outlet of an extruder, to a shell 2 in which an outlet 3, through which a melt-kneaded resin material is extruded by an extruder, is formed, a plate-like shell tip 6 in which an opening 7 which is arranged such that it surrounds the outlet 3 along the circumference thereof is detachably attached, and non-sticky coating is applied at least along the outer surface of the core tip.
    Type: Application
    Filed: July 7, 2011
    Publication date: June 13, 2013
    Inventors: Mitsuo Kuwazuru, Jou Honda, Takuji Hashimoto