Hydraulic swivel having selectively hardened portions

Details Hydraulic swivel having selectively hardened portions Hydraulic swivel having selectively hardened portions

1993-03-24

1996-08-20

Melius, Terry Lee

Pipe joints or couplings

Swivel

Pipe in socket type

285422, 148906, 384492, 384625, F16L 2710

Patent

active

055472338

ABSTRACT:
A device and a method for making a device for rotatably connecting fluid flow lines such that fluid is flowable between the fluid flow lines. The device has a male component which has a male portion and a female component which has a female portion. The male and female components each have flow line connecting mechanisms. The male portion fits within the female portion such that the male and female components are rotatable with respect to one another. The male portion has both hardened and unhardened regions and the female portion has a hardened region.

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