Patents Assigned to John Crane Production Solutions Inc.
  • Patent number: 8500943
    Abstract: A continuous composite fiberglass sucker rod for connection between a pump and a pump drive has a rectangular cross section. End fittings having a rod receiving cavity are connected to the rod ends using a curable adhesive. The rod fitting is maintained in a vertical position with the cavity facing upwardly. The rod end portion is positioned in the cavity with the end at the bottom of the cavity. Curable adhesive is introduced into the cavity. A centralizer bushing is used to maintain alignment of the rod relative to the cavity. A portable heating device receives the fitting and rod end portion and enhances the curing process.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: August 6, 2013
    Assignee: John Crane Production Solutions Inc.
    Inventor: Russell P. Rutledge, Sr.