Patents by Inventor Charles M. Braddock

Charles M. Braddock 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).

  • Method for induction sealing a plastic part to a composite container
    Patent number: 6725630
    Abstract: A method for induction sealing a plastic part to a composite container using a pair of linear coils electrically connected to low frequency generators. The linear coils produce overlapping electromagnetic fields on either side of the container. Rotating the container assures even heating of the polyethylene liner and plastic part. The method produces a reliable seal between the liner and plastic part and can be used at high production speeds.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: April 27, 2004
    Assignee: Sonoco Development, Inc.
    Inventors: Keith R. Rea, Charles M. Braddock, Floyd Boatwright, J. Mark Morrow, James A. Lowry
  • Method for induction sealing a plastic part to a composite container
    Publication number: 20030089079
    Abstract: A method for induction sealing a plastic part to a composite container using a pair of linear coils electrically connected to low frequency generators. The linear coils produce overlapping electromagnetic fields on either side of the container. Rotating the container assures even heating of the polyethylene liner and plastic part. The method produces a reliable seal between the liner and plastic part and can be used at high production speeds.
    Type: Application
    Filed: November 15, 2001
    Publication date: May 15, 2003
    Inventors: Keith R. Rea, Charles M. Braddock, Floyd Boatwright, J. Mark Morrow, James A. Lowry