Sure plug

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E - Fixed Constructions

21

B

E21B 33/13 (2006.01) E02D 3/12 (2006.01)

Patent

CA 2518225

A device that is inflated in a hole to retain material. The device comprises of an inflation cylinder, a valve to retain the inflation material in the cylinder, an attachment ring to hold the cylinder in place during inflation, an inflation hose with a tension cable and a disconnect valve which is released when the inflation hose is retracted from the device.

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