Patents by Inventor Gou Shimada

Gou Shimada 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).

  • Screw for extruder and method of manufacturing the extruder, and rubber member for tire and method of manufacturing the rubber member
    Patent number: 7811075
    Abstract: A screw 12 for an extruder 10 rotatably supported on the cylinder of the extruder and carrying roll-heated rubber material supplied from a hopper port 13s provided at the rear part of the cylinder 11, wherein the height of the portion of the flight portion 12z of the screw 12 located below the hopper port 13s is set lower than the height of the flight portion 12a on the downstream side of the screw 12, whereby the pulsation of extruded matter can be reduced while maintaining a high discharge rate.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: October 12, 2010
    Assignee: Kabushiki Kaisha Bridgestone
    Inventor: Gou Shimada
  • Screw for extruder and method of manufacturing the extruderer, and rubber member for tire and method of manufacturing the rubber member
    Publication number: 20060062076
    Abstract: A screw 12 for an extruder 10 rotatably supported on the cylinder of the extruder and carrying roll-heated rubber material supplied from a hopper port 13s provided at the rear part of the cylinder 11, wherein the height of the portion of the flight portion 12z of the screw 12 located below the hopper port 13s is set lower than the height of the flight portion 12a on the downstream side of the screw 12, whereby the pulsation of extruded matter can be reduced while maintaining a high discharge rate.
    Type: Application
    Filed: June 5, 2003
    Publication date: March 23, 2006
    Applicant: KABUSHIKI KAISHA BRIDGESTONE
    Inventor: Gou Shimada