F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/29
F16L 27/12 (2006.01) F16L 51/02 (2006.01)
Patent
CA 1294996
ABSTRACT OF THE DISCLOSURE The conventional expansion joint for use in pipelines and other structures includes a bellows sandwiched between two end plates which are used to mount the joint in the pipeline, and rings of T-shaped cross-sectional configuration. Such expansion joints are relatively limited in terms of the pressure and temperature under which they can operate. A simple expansion joint for use under high operating temperatures and pressures includes flexible bellows extending between end plates, with tie rods connecting the end plates exterior to the bellows for limiting the spacing between the end plates. The bellows are defined by a flexible shell in the shape of a cylinder with annular corrugations defined by a plurality of annular projections alternating with annular troughs, and rings in the troughs. The projections are sufficiently high, the troughs sufficiently deep and the bellows sufficiently flexible that virtually the entire exterior surface of each projection contacts the entire exterior surface of the adjacent projection and the sides of the projections surround the cable when the joint is under maximum pressure.
523237
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