F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/26, 277/5, 2
F16L 55/02 (2006.01) F16L 27/103 (2006.01)
Patent
CA 1317612
ALL WELDED SOUND ISOLATION FLEXIBLE CONNECTION ABSTRACT A flexible pipe joint having an annular housing with a central cavity in which a nipple is partially submerged. The nipple has a flared end on the submerged portion thereof. An elastomeric ring, internally contoured spherically with reference to a common center point spaced from the flared end and located on the longitudinal axis of the point is adhered about its outer surface to the inner surface of the flared end. An elastomeric body having an assembly of embedded concentric spherical rings is adhered to the outer surface of the flared end. The spherical rings are contoured and positioned symmetrically with respect to the common center point. A flange (42 or 144, 146) is welded to the nipple at the end opposite the flared end. The flange is used to bolt the joint to the adjacent pipe sections and can be in two parts (144, 146). A collar welded to the housing encircles the nipple and engages the outer surface of the elastomeric body to maintain the body in position. A support structure secured to the housing has an outward facing spherical surface mating in a sliding relation with the internal surface of the elastomeric ring.
587397
Kovitch Frank J.
Reinhardt Charles M.
Sullivan Paul E.
Kovitch Frank J.
Lockheed Corporation
Reinhardt Charles M.
Shell Oil Company
Smart & Biggar
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