Fluid-tight coupling for two sections of a fluid line

Details Fluid-tight coupling for two sections of a fluid line Fluid-tight coupling for two sections of a fluid line

1986-03-24

1987-07-14

Husar, Cornelius J.

Pipe joints or couplings

With assembly means or feature

Guide

285 45, 285332, 285348, 285356, F16L 3500

Patent

active

046798242

ABSTRACT:
In a fluid-tight coupling comprising a male fitting (1) having an axial channel (2) issuing to the outside via a radial opening (3) and forming the first section of the fluid line, said coupling requiring the male fitting to penetrate into a bore (6) in a mating part (5) containing the second section of said fluid line (4) issuing into the bore in line with the radial opening (3) when coupling is made and the male fitting (1) carrying two seals, located respectively above and below the radial opening, an improvement protects the seals against damage on insertion, wherein the upper seal (8) is secured between a conical shoulder (10) on the male fitting and a sliding ring (11) around the fitting, having a radial through-hole (17), the lower seal (9) is secured between same said ring and the conical top surface (12) of a sliding bushing (13) fitted over the end of the male fitting and the bore of the mating part has a shoulder (19) such that at the time of coupling the bushing (13) bumps said shoulder (19) and slides upwardly relative to the male fitting, compressing the seals (8, 9) so that they expand radially following the oblique containing walls (10, 12).

REFERENCES:
patent: 1726483 (1929-08-01), Giesler
patent: 1969531 (1934-08-01), Swedler et al.
patent: 1993878 (1935-03-01), Dodge
patent: 2852281 (1958-09-01), Ellis
patent: 3768839 (1973-10-01), Thompson
patent: 3827258 (1974-08-01), Kammerer, Jr. et al.
patent: 4006921 (1977-02-01), Mohr
patent: 4489959 (1984-12-01), Satterwhite
patent: 4577892 (1986-03-01), Wrulich et al.

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