INFLATABLE TUBULAR HOSE FOR PIPE EQUIPMENT OR WELL OR PIPE SEALING Russian patent published in 2000 - IPC

Abstract RU 2145660 C1

FIELD: external tubular hoses for equipment of oil wells and similar applications. SUBSTANCE: hose is capable of expanding in radial direction. It has a number of limiting rings displaced with respect to one another in axial direction. Limiting rings are located at hose inlet end, or at its inlet and outlet ends, and may be ruptured one after another in longitudinal direction of hose when it is inflated with internal fluid medium under pressure. EFFECT: controlled expansion of hose from its one end to the other end irrespective of hose length. 11 cl, 10 dwg

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RU 2 145 660 C1

Authors

Zhan-Lui Sal'Tel'

Dates

2000-02-20Published

1996-08-02Filed