Method and apparatus for high pressure water treatment of the inside of a pipe section

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United States of America Patent

PATENT NO 9566621
SERIAL NO

14795683

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Importance

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Abstract

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Material lining the inside surface of a section of pipe is removed by a hydrodemolition nozzle assembly mounted on a working end of an elongated boom. The opposed end of the boom is supported outside the pipe on a movable support for inserting and retracting the boom from the inside of the pipe. The nozzles remove the liner while the working end of the boom is supported by a wheel resting on the liner that has not yet been removed and that rolls along the inside liner as the pipe is made to revolve around the boom. The nozzles are oriented to eject the liner and water downstream and away from the boom.

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Patent Owner(s)

Patent OwnerAddress
MAC & MAC HYDRODEMOLITION INC18101 94TH AVE SURREY BRITISH COLUMBIA V4N 4A3

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bose, Vernon Surrey, CA 27 62
MacNeil, Brett Surrey, CA 14 13
MacNeil, David B Surrey, CA 15 29
MacNeil, Gerard J Surrey, CA 25 33
MacNeil, Gordon Surrey, CA 26 58
MacNeil, Jesse Surrey, CA 15 13

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