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AssigneeCore Linepipe Inc.
InventorsGREGORY MICHAEL HENRY, WEI-EN CHEN, MATTHEW FRANK BEER
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A sealing compression ring apparatus couplable to a liner and a pipe component has an annular body and a bore, with a first side including a raised outer edge portion, a recessed annular portion between the raised outer edge portion and the bore, and an o-ring gland encircling the bore on the recessed annular portion. A pipe assembly has a base pipe including a flange, a liner extending axially within the base pipe and extending radially out and over a portion of the flange to define a liner flange, an opposite flange surface, and a sealing compression ring apparatus compressed between the flange and the opposite flange surface, and an o-ring positioned in the o-ring gland of the ring.
A sealing compression ring apparatus for a liner and a pipe component, comprising:
The apparatus of claim 4, wherein the o-ring is made of a material softer than that of the ring.
A pipe assembly, comprising:
The assembly of claim 6, wherein the sealing compression ring is constructed of a material selected to be harder than that of the liner and softer than that of the base pipe.
Dependencies are inferred from the claim text.