Interchange sealing device and method

Details Interchange sealing device and method Interchange sealing device and method

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/136 (2006.01) F16L 55/128 (2006.01) G01F 15/18 (2006.01)

Patent

CA 2220205

A sealing apparatus for providing a sealing engagement with an internal surface of a pipe in order to plug the pipe. The apparatus has a pair of plate members. A sealing member with a pair of flanges is positioned between the pair of plate members. A rod passes through the two plate members and the sealing member. A coupling assembly is connected to one of the plate members for releasably engaging a plunger. A method for plugging a pipe including the steps of disposing the sealing assembly in a pipe; and moving one of the plate members towards the other plate members such that the pair of flanges move outwardly and towards each other to sealably engage the internal surface of the pipe to plug the same.

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