F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 33/24 (2006.01) B21D 39/04 (2006.01) B25B 27/10 (2006.01) F16L 11/08 (2006.01) F16L 33/207 (2006.01)
Patent
CA 2189406
A reinforced hose coupling includes an end fitting having first and second, axially extending sections with the first section comprising a connector and a second section providing a nipple with external grooves that spiral about its circumference. A metal ferrule is mounted on the nipple and is connected to the end fitting. Preferably the ferrule is formed with a circumferentially extending internal rim at one end, which rim is forced into a circumferential groove formed in the end-fitting. A flexible hose end comprises tubular layers of plastic or rubber and an inner helical wire extending about the interior of the layers. The second section of the end-fitting extends into the hose so that the helical wire extends along and in the helical groove. An axial extension of the layers extends beyond an end of the wire and along the exterior of the second section. The ferrule is mounted on the hose end and extends around an end section of the wire and the axial extension of the layers which are clamped between the ferrule and the end fitting.
Feher Istvan
Ridout & Maybee Llp
LandOfFree
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