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US 7,490,868 B2Granted
Pipe mating swivel adapter for misaligned joints
OwnerJohn M. Prestridgeinventor
Life of this patent
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Abstract
A device and method variously and separately used for achieving a correction between the fluid-flow interfaces of the pipe segments, pump housings and valves in pipe systems when inserted therebetween.
Claims6
A pipe mating swivel adapter comprising:
- a first disk and a second disk insertable between a first flanged pipe segment and a second flanged pipe segment, unattached to either segment, designed to be held between said segments only by the pressure of fastened flange bolts, with no flange bolt passing through any part of either disk, wherein:
- (i) the first disk has an inner surface having a frustospherical protrusion with a groove configured to receive an O ring to circumscribe a portion of the protrusion and having an outer surface designed to abut the first flanged segment;
- (ii) the second disk has an inner surface having a frustospherical depression designed to mate with the frustospherical protrusion of the first disk and having an outer surface designed to abut the second flanged segment;
- and
- (iii) the first and second disks may be swiveled and rotated against each other to achieve a seal.
2 more elements
Dependencies are inferred from the claim text.