Pipe union for end to end pipes with deformable clamping disks s

Details Pipe union for end to end pipes with deformable clamping disks s Pipe union for end to end pipes with deformable clamping disks s

1986-03-10

1988-01-05

Moore, Richard E.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285319, 285369, 285348, 285340, 285343, F16L 1908

Patent

active

047171790

ABSTRACT:
A pipe union for joining two pipe ends in an end-to-end relationship. On each pipe end a flange, at least one clamping element, and one chamber element are fitted , which can be braced against one another and which among them enclose a shaped seal, each of whose two axial ends protrudes into a respective adapted recess of the chamber elements covering the seal. The seal is an outer elastomer ring supported on the jacket faces of the two pipe ends and has a central annular groove open to the inside. An inner ring that overlaps the butt joint is loosely pressed into this central annular groove. The clamping elements are supported with a radially inwardly located clamping rim on the associated pipe end, and with a radially outwardly located clamping rim on a clamping face disposed concentrically with respect to the pipe ends. The clamping elements are curved outward in the axial direction in such a manner that an axial force exerted upon the clamping element in the direction toward the butt joint causes an increase in the clamping element. The invention provides that the clamping element and the chamber element are each embodied by one clamping disk.

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