NON-DETACHABLE DEVICE FOR SEALED AND QUICK JOINT OF RIGID PIPE AND FLEXIBLE HOSE Russian patent published in 1995 - IPC

FIELD: automotive industry. SUBSTANCE: inside diameter of the rigid ring cylindrical section equals the outside diameter of the flexible hose. An annular groove is made on the rigid ring internal surface, one wall of the groove is formed by the internal shoulder. The groove bottom diameter exceeds the outside diameter of the hose, whose free end is located against the annular groove. A rigid ring is cemented to the free end. The free end of the rigid pipe is connected to the external surface in a step to form a support of two additional surfaces of the seal of the rigid pipe and internal surface of the flexible hose. EFFECT: enhanced reliability. 5 cl, 4 dwg