×

Methods and systems for assembly of fiberglass reinforced sucker rods

  • US 9,193,013 B2
  • Filed: 03/21/2014
  • Issued: 11/24/2015
  • Est. Priority Date: 08/09/2010
  • Status: Active Grant
First Claim
Patent Images

1. A system for manufacturing fiberglass reinforced plastic sucker rods, comprising:

  • (a) a station for receiving a plurality of fiberglass reinforced plastic sucker rod sections from an off-site location to an assembly facility at or near a point of use;

    (b) a station for receiving a plurality of metallic end fittings from another off-site location to the assembly facility; and

    (c) an assembly station for assembling at the assembly facility at least a portion of the plurality of sucker rod sections with at least some of the metallic end fittings to form a completed sucker rod, wherein the assembly station comprises one or more inspection sub-stations for inspecting the sucker rod sections, end fittings, and completed sucker rods, and wherein one of the inspection sub-stations comprises a modified pull testing apparatus comprising a nubbin having female threading that threadedly mates with a male threaded end area of the metallic end fittings, the nubbin including a neck area that interacts with a collar and a machine mount, the machine mount securing the nubbin, collar, and metallic end fitting on the modified pull testing apparatus, and comprising a plotter able to plot load and peak load vs. time for the completed sucker rods, and elongation and maximum elongation vs. time for the fiberglass reinforced plastic sucker rod sections.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×