Transition coupling and clamp assembly containing same

Details Transition coupling and clamp assembly containing same Transition coupling and clamp assembly containing same

1983-08-29

1984-11-06

Callaghan, Thomas F.

Pipe joints or couplings

Elbow

285236, F16L 2100

Patent

active

044808607

ABSTRACT:
A pipe clamp assembly for joining joint or pipe ends of different diameter in a clamping relationship, which clamp assembly comprises a flexible clamping band which surrounds the ends of the pipe or joint to be joined, a polymeric circumferential, thin sealing gasket beneath the clamping band and a polymeric circumferential transition coupling within the sealing gasket, the transition coupling having grooves on the exterior surface to engage sealing beads on the interior surface of the sealing gasket, to form a sealing relationship between the exterior surface of the transition coupling and the interior surface of the sealing gasket, and circumferential sealing beads on the interior surface of the transition coupling, to form a sealing relationship with the exterior surface of the reduced diameter joint or pipe to be sealed, thereby providing a clamp assembly adapted to clamp together pipes or joint ends of different diameters.

REFERENCES:
patent: 703657 (1902-07-01), Horn
patent: 2165926 (1939-07-01), Greene
patent: 3233907 (1966-02-01), Stanton
patent: 3298698 (1967-01-01), Condon
patent: 3378282 (1968-04-01), Demler, Sr.
patent: 3479066 (1969-11-01), Gittleman
patent: 3887221 (1975-06-01), Young
patent: 4172607 (1979-10-01), Norton
patent: 4186948 (1980-02-01), Cronk
patent: 4221407 (1980-09-01), Steimle
patent: 4380348 (1983-04-01), Swartz

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