Back to results
US 5,964,981 AGranted
Apparatus for lining tubulars
AssigneeTuboscope Vetco International, Inc.
InventorsJohn M. Nelson, William L. Snider, Gary W. Bogema, David V. Person
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeTuboscope Vetco International, Inc.
InventorsJohn M. Nelson, William L. Snider, Gary W. Bogema, David V. Person
Estimating the term…
A lined tubular assembly and a method and apparatus for lining an elongated tubular article to form the assembly. The lined tubular assembly has a metal tube with a non-metallic liner bonded to the internal surface thereof by a bonding agent. A non-metallic flanged end piece is secured to each end of the metal tube and has a first portion extending into the tube between the liner and the internal surface of the tube and a second portion covering the end surface of the tube. The method for producing the assembly includes introducing simultaneously into the tubular article both a tubular liner and a bonding agent for bonding the liner to the internal surface of the tubular article. The apparatus for producing the assembly includes an elongated liner installation device that simultaneously introduces the liner and bonding agent to the interior of the tubular article.
Apparatus for lining an elongated tubular article, comprising an elongated liner installation device having an outside diameter less than an inside diameter of said elongated tubular article and comprising a longitudinal cavity extending from a rearward end of said device to a forward end of said device and terminating at a bonding agent spreader component for applying and spreading a bonding agent onto an interior surface of said elongated tubular article during insertion of said liner installation device into and through said elongated tubular article, a liner-support portion intermediate said rearward end and said forward end of said liner installation device for supporting a tubular liner for lining said elongated tubular article, with said tubular liner having an outside diameter less than said inside diameter of said elongated tubular article, and means for delivering said bonding agent to said spreader component during said insertion of said liner installation device into and through said elongated tubular article;
Dependencies are inferred from the claim text.