Patents by Inventor Blaine M. Kelley

Blaine M. Kelley 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).

  • Patent number: 7140865
    Abstract: A method and apparatus for extruding a corrugation-free polystyrene foam with 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke ring inner surface. A foam made with the apparatus according to the invention will have no visible corrugations and an average cell size of less than 0.35 mm.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: November 28, 2006
    Assignee: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Patent number: 6946090
    Abstract: A method for extruding a corrugation-free polystyrene foam with up to 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke ring inner surface. A foam made with the apparatus according to the invention will have no visible corrugations and an average cell size of less than 0.35 mm.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: September 20, 2005
    Assignee: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Patent number: 6610755
    Abstract: A thermoplastic foam comprises a styrenic polymer and a blowing agent consisting of 100% carbon dioxide. The thermoplastic foam has no visible corrugations and an average cell size of 0.20 mm to 0.35 mm.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: August 26, 2003
    Assignee: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Publication number: 20020173557
    Abstract: A thermoplastic foam comprises a styrenic polymer and a blowing agent consisting of 100% carbon dioxide. The thermoplastic foam has no visible corrugations and an average cell size of 0.20 mm to 0.35 mm.
    Type: Application
    Filed: March 28, 2002
    Publication date: November 21, 2002
    Applicant: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Publication number: 20020150640
    Abstract: A method and apparatus for extruding a corrugation-free polystyrene foam with 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke ring inner surface. A foam made with the apparatus according to the invention will have no visible corrugations and an average cell size of less than 0.35 mm.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 17, 2002
    Applicant: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Publication number: 20020145215
    Abstract: A method for extruding a corrugation-free polystyrene foam with up to 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke ring inner surface. A foam made with the apparatus according to the invention will have no visible corrugations and an average cell size of less than 0.35 mm.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 10, 2002
    Applicant: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley
  • Patent number: 6428297
    Abstract: An apparatus for extruding a corrugation-free polystyrene foam with 100% carbon dioxide as the blowing agent by extruding the extrudate through an annular die opening so that it contacts a choke ring inner surface. A foam made with the apparatus according to the invention will have no visible corrugations and an average cell size of less than 0.35 mm.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: August 6, 2002
    Assignee: Dart Container Corporation
    Inventors: Wayne J. Myer, Blaine M. Kelley