Fluid loading arm swivel joint

Details Fluid loading arm swivel joint Fluid loading arm swivel joint

1975-02-24

1977-05-10

Arola, Dave W.

Pipe joints or couplings

Repair

Removable wear element

141387, 285168, 285181, 285276, F16L 5500

Patent

active

040224988

ABSTRACT:
A marine loading arm equipped with an improved pipe swivel joint at the outer end of the arm's triple-swivel coupling assembly that functions to connect the outer end of the arm to the manifold flange of a marine tanker. The weight and axial dimension of this improved swivel joint are less than that of conventional swivel joints of the same pipe diameter, so that the coupling flange at the distal end of the triple-swivel assembly rests in a more vertical attitude, thereby easing the task of coupling the arm to the tanker's manifold flange and reducing the moment load imposed on that flange. The improved swivel joint also includes an arrangement for gaining quick and easy access to its packing chamber when replacing the packing between the joint's relatively rotatable elements becomes necessary.

REFERENCES:
patent: 2833566 (1958-05-01), Meyer et al.
patent: 3433488 (1969-03-01), Grantom
patent: 3473830 (1969-10-01), Haley
patent: 3497244 (1970-02-01), Grantom
patent: 3724499 (1973-04-01), Huniu
patent: 3825045 (1974-07-01), Bloomquist
patent: 3850454 (1974-11-01), Paddington

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