Pipe joints or couplings – Packed – Screw thimble
Patent
1983-09-08
1985-09-03
Scanlan, Jr., Richard J.
Pipe joints or couplings
Packed
Screw thimble
285386, 285247, 285234, F16L 1900
Patent
active
045388423
ABSTRACT:
A tube connection having a resilient seal ring captured between a support structure at the inner end thereof and a retaining structure at the outer end thereof within an outwardly opening recess of a fitting body. The support structure is retained to the distal end of the tube to be connected against axially inward displacement therefrom. Close fits are provided between the elements of the fitting so as to effectively preclude extrusion of the seal material therebetween from the sealing space. The retaining structure in certain embodiments is defined by an annular projection on the nut member extending into the recess. In certain embodiments, the retaining structure is disposed outwardly of the recess and the sealing sleeve extends outwardly into engagement therewith. In one illustrated embodiment, the sealing sleeve is defined by an O-ring. In a number of the embodiments, the support structure is formed integrally with the tube end. Different combinations of the different structures is contemplated within the scope of the invention.
REFERENCES:
patent: 2212745 (1940-08-01), McIntosh
patent: 2251715 (1941-08-01), Parker
patent: 2273395 (1942-02-01), Couty
patent: 2332682 (1943-10-01), Yelinek
patent: 2459609 (1949-01-01), Wolfram
patent: 2463336 (1949-03-01), Weatherhead
patent: 2850299 (1958-09-01), Risley
patent: 3576335 (1971-04-01), Kowal et al.
patent: 3684322 (1972-08-01), Kotsakis
patent: 4072328 (1978-02-01), Elliott
Kowal Leonard J.
Schwarz Albert J.
Baumann Russell E.
Imperial Clevite Inc.
Scanlan, Jr. Richard J.
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