F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/33
F16L 39/02 (2006.01) F16L 33/213 (2006.01) F16L 37/098 (2006.01)
Patent
CA 1318708
ABSTRACT A coupling device for connecting an end of a hose to an end of a pipe having a circumferentially extending collar includes a tubular coupling element with axially spaced ends. A first end of the coupling element is received in the end of the pipe and the coupling element is provided with elastic hooks which engage the collar in order to fix the coupling element, The device further includes a sleeve having a first section which is received in the coupling element and defines therewith an annular space of width approximately equal to the wall thickness of the hose. The sleeve also has a second section which projects from the annular space into the end of the pipe so as to define an annular gap with the latter. The second section of the sleeve is of greater diameter than the first section and abuts the first end of the coupling element. The end of the hose extends into the annular space between the coupling element and the sleeve via the second end of the coupling element, and the hose forms a seal with both the sleeve and the coupling element. The device additionally includes an elastic O-ring which is disposed in the annular gap between the pipe and the second section of the sleeve and bears against the inner surface of the pipe. The O-ring surrounds the second section of the sleeve. In one form of the device, the second section of the sleeve has an axial length at least equal to the thickness of the undeformed O-ring and the O-ring directly contacts the second section so as to form a seal therewith. In a second form of the device, the second section has a first part which is embedded in the first end of the coupling element and a second part which is surrounded by a forward extension of the coupling element. The O-ring here contacts the extension.
597102
Fetherstonhaugh & Co.
Rasmussen Gmbh
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