Pipe joints or couplings – Repair – Removable wear element
Patent
1995-12-20
1998-06-30
Nicholson, Eric K.
Pipe joints or couplings
Repair
Removable wear element
285 55, 285271, 285233, F16L 2706, F16L 914
Patent
active
057722544
ABSTRACT:
A fluid-tight modular joint is disclosed having various replaceable parts for refurbishing the joint after certain parts wear out. Specifically, the modular joint has a pair of sealing assemblies interconnected by a tubular sealing member which permits angular misalignment, axial movement and rotational movement between conduits. Each of the sealing assemblies includes a tubular housing with a replaceable sealing sleeve which is positively retained therein by a split retaining ring. Typically, the housings are welded to conduits, and thus, can only be removed by cutting them from their respective conduits. However, the housings are provided with access openings for inserting a camming tool therein to remove the sealing sleeves without cutting the housings away from their respective conduits. Therefore, in refurbishing the modular joint, the housings are reusable, while the sealing sleeves and tubular sealing members are replaceable. In one embodiment, the support member is provided with a sealing element, while in other embodiments a sealing element is provided on the housing.
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Barrett Robert A.
Felber Kevin R.
Swensen Jeffrey E.
EG&G Pressure Science, Inc.
Nicholson Eric K.
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