F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 11/04 (2006.01) B60T 17/04 (2006.01) F16L 11/22 (2006.01) F16L 31/00 (2006.01)
Patent
CA 2225264
A twin tube air brake hose for delivering compressed air to brakes on a vehicle such as a truck includes a first tube which serves as a service tube and a second tube which serves as an emergency tube. The first tube and second tube have an inner layer surrounded by a reinforcing layer which is in turn surrounded by an outer rubber layer. The outer rubber layers of each tube are joined by a web which is unitary with the outer layers. Adjacent opposite ends of the twin tube brake hose, the tubes are separated to form free end portions, each of which have a metal fitting. Reinforcing bands are fitted around the twin tube air brake hose just inboard the tail ends to prevent the web from splitting.
Cette invention concerne un tuyau de frein pneumatique bi-tube servant à acheminer de l'air comprimé vers les freins d'un véhicule routier, tel qu'un camion, et comprenant un premier tube servant à assurer le freinage de service et un second tube servant au freinage d'urgence. Les deux tubes comportent une couche intérieure entourée d'une couche de renfort elle-même recouverte d'une couche extérieure en caoutchouc. Les couches extérieures en caoutchouc des deux tubes sont unies par une bande commune aux deux et faisant partie intégrante de chacune. Aux deux extrémités opposées de chacun des deux tubes, celles-ci sont séparées l'une de l'autre pour pouvoir recevoir chacune un raccord métallique. Le tuyau bi-tube comporte immédiatement à l intérieur des extrémités libres des colliers de renfort destinés à empêcher la bande centrale commune aux deux tubes de se déchirer.
Borden Ladner Gervais Llp
Dana Corporation
Eaton Aeroquip
LandOfFree
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