Telescopic swivel pipe joint

Details Telescopic swivel pipe joint Telescopic swivel pipe joint

1987-02-11

1988-10-11

Arola, Dave W.

Pipe joints or couplings

With fluid pressure seal

With separate, encased pipe-gripping means

285166, 285302, 285906, F16L 2704

Patent

active

047766174

ABSTRACT:
A telescopic swivel pipe joint for coupling a pair of axially spaced pipes each having a connection end comprising a pair of joint connectors each connected to the connection end of a corresponding pipe and having a spherical bearing surface, a pair of main joint tubes each having a cylindrical portion and provided at one end thereof with an integral spherical portion for slidable contact with the bearing surface of a corresponding joint connector, and an auxiliary joint tube removably connected at both ends thereof to the respective cylindrical portions of the main joint tubes, wherein the auxiliary joint tube is telescopic in itself or telescopically fitted at one end thereof to the cylindrical portion of a corresponding main joint tube.

REFERENCES:
patent: 634344 (1899-10-01), Henning
patent: 666316 (1901-01-01), Kenneally
patent: 2021317 (1935-11-01), McFarland et al.
patent: 2538683 (1951-01-01), Guiler et al.
patent: 4549756 (1985-10-01), Basile

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