Self-aligning detachable fitting

Details Self-aligning detachable fitting Self-aligning detachable fitting

1974-12-02

1977-05-24

Arola, Dave W.

Pipe joints or couplings

With lubrication

2853344, 2853321, F16L 700

Patent

active

040250920

ABSTRACT:
A seat element is attached by mechanically swaging, welding, or brazing to one section of tubing and comprises a radially extending cylindrical flange with exterior and interior spherical mating surfaces. A sleeve element is placed over the seat element for axial movement thereon, and is provided with an interior spherical surface for engagement with the exterior spherical surface of the seat element. An externally threaded union secured to another section of tubing or component boss is provided with a thin flexible flange which may be conical or spherically concave for engagement with the interior spherical surface of the seat element in a stressed relation when engaged by the sleeve element.

REFERENCES:
patent: 1398985 (1921-12-01), Wadley
patent: 2295716 (1942-09-01), Cox
patent: 2302617 (1942-11-01), Little
patent: 3142498 (1960-07-01), Press
patent: 3218096 (1965-11-01), Press
patent: 3264012 (1966-08-01), Giovanazzi et al.
patent: 3596933 (1971-08-01), Luckenbill

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