Expansion joint

Details Expansion joint Expansion joint

1983-01-27

1985-07-02

Arola, Dave W.

Pipe joints or couplings

With strain relief

285286, 285301, F16L 1304

Patent

active

045264090

ABSTRACT:
An expansion joint of the bellows type for installation between the end portions of two aligned pipes utilizes two stop members within the bellows being movable relative to one another and each being supported by opposite end portions of the joint for limiting the axial extension of the joint. Each stop member includes a tubular sleeve being fixed at one end to a respective end portion of the joint and a ring at the sleeve end opposite its attached end. When the joint extends axially a predetermined amount, the rings engage one another and prevent any further joint extension.

REFERENCES:
patent: 2207146 (1940-07-01), Fentress et al.
patent: 2958550 (1960-11-01), McDonald
patent: 3574361 (1971-04-01), Contreras
patent: 3997194 (1976-12-01), Eifer et al.

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