Flexible pipe joint for non-interengaging pipe sections

Details Flexible pipe joint for non-interengaging pipe sections Flexible pipe joint for non-interengaging pipe sections

1979-05-17

1981-06-02

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Resilient sleeve type

285226, 285423, F16L 2100

Patent

active

042707765

ABSTRACT:
The specification discloses flexible plastic collars for joining non-interengaging pipe sections and allowing movement therebetween. The collar includes a narrow flexible mid-section with inwardly biased cylindrical skirts that taper outward from relatively thick and relatively rigid shoulders on either side of the flexible center portion. The shoulders have an annularly shaped channel on the inside surface thereof, with O-rings positioned therein which form a seal between the collar and the pipe ends.

REFERENCES:
patent: 2154077 (1939-04-01), Sampson
patent: 3792878 (1974-02-01), Freeman
patent: 3938834 (1976-02-01), Oostenbrink
patent: 3993332 (1976-11-01), Borodin et al.

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