Method and system for pressure pipe drilling cement-mortar lined and coated steel cylinders

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United States of America

PATENT NO 11965617
SERIAL NO

17446851

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Abstract

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A method for pressure pipe drilling a pipe comprising an exterior layer and an interior layer, the method comprising internally lining the pipe with a fluid-tight sheath; drilling a first cavity through the exterior layer until exposing the interior layer; injecting a sealant into the first cavity; and drilling a second cavity within the first cavity through the interior layer and the fluid-tight sheath.

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Patent Owner(s)

Patent OwnerAddress
SANEXEN ENVIRONMENTAL SERVICES INC9935 RUE DE CHÂTEAUNEUF ENTRANCE 1 - SUITE 200 BROSSARD J4Z 3V4

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bureau, Martin Montreal, CA 14 36
Davison, Michael Brossard, CA 15 239
Gagnon, Gilles Repentigny, CA 31 350

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