ROLLING STOCK BRAKE COUPLING HOSE Russian patent published in 2008 - IPC B60T17/04 F16L37/26 B61G5/08 

FIELD: transport.

SUBSTANCE: proposed hose incorporates rubber-fabric hose with coupling head with rivets and sealed air holes arranged at the said hose end. The other end of the said coupling hose is furnished with a threaded adapter to be coupled with the mating part of the final valve. The coupling head air hole ends are smooth with no ledges or recesses. The annular cup packing, its one side being fitted in the groove is furnished with variable-section ledges arranged on the inner surface opposite to sealing surface, the aforesaid ledge section increasing towards the smaller diameter of the said sealing surface. The adapter outer part is fitted with a threaded elastomer packing tightly enveloping the mating thread of the final valve when completely screwed in.

EFFECT: reliable joint, higher safety of braking, improved reparability of brakes.

2 dwg