William Ed Snider

US Patent:

62940422, Sep 25, 2001

Filed:

May 19, 1999

Appl. No.:

9/314069

Inventors:

John M. Nelson - Houston TX
William L. Snider - Sugar Land TX
Gary W. Bogema - Danbury TX
David V. Person - Sugar Land TX

Assignee:

Varco International, Inc. - Houston TX

International Classification:

B29C 6334

US Classification:

156287

Abstract:

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.

US Patent:

59649810, Oct 12, 1999

Filed:

Dec 17, 1997

Appl. No.:

8/992677

Inventors:

John M. Nelson - Houston TX
William L. Snider - Sugar Land TX
Gary W. Bogema - Danbury TX
David V. Person - Sugar Land TX

Assignee:

Tuboscope Vetco International, Inc. - Houston TX

International Classification:

B29C 6334

US Classification:

156423

Abstract:

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.