A method for fabricating a liner for a tubular hose, comprising selecting a combination of functional filaments and filling filaments, the functional filaments being elastic filaments, and combining the functional filaments and the filling filaments, in a ratio selected according to a target radial expansion and compression of the liner, under a selected twisting tension and with a selected twist number; into filler yarns; selecting warp yarns according to a target rigidity in a longitudinal direction of the liner; twisting together a number of the filler yarns into filler threads and the warp yarns into warp threads; and weaving the liner around the hose by interlacing the filler threads and the warp threads.
D03D 15/47 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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.
F16L 41/04 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
F16L 41/06 - Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe
A woven tubular liner comprising an outer surface comprising outer wefts and warps and an inner surface comprising inner wefts and the warps, wherein the inner and outer surfaces are connected by the warps, the outer wefts being protected from an environment inside of the tubular linear and the inner wefts being protected from an environment outside of the tubular liner. The method comprises repeating a weaving unit of continuous outer wefts and continuous inner wefts running uninterrupted along a circumferential direction, woven with continuous warps running along a longitudinal direction, offsetting positions of the warps relative to the wefts in the weaving unit, selectively interlacing outer wefts with the warps, and selectively interlacing inner wefts with the warps.
A method for treating water contaminated with hydrophobic and lipophilic molecules, comprising forming an emulsion of the contaminated water with an oil; and separating from the emulsion an oil part charged with a captured amount of the hydrophobic and lipophilic molecules and a treated water part, the treated water having an amount the in hydrophobic and lipophilic molecules reduced by the captured amount of hydrophobic and lipophilic molecules than an initial amount of the hydrophobic and lipophilic molecules in the contaminated water.
A method of valuation of raw fines materials, comprising selectively screening, biotreatment or composting of raw fines materials or selection as fillers in composites. The method comprises screening the raw fines materials to Grade 1 comprising fines materials of a size of at most about 5 mm and Grade 2 comprising fines materials of a size larger than about 5 mm; and at least one of : A) bio-oxydating organic contaminants of the Grade 1; by adding and mixing organic amendment under controlled temperature, nutrients content and water content conditions and monitoring a content of organic contaminants until the content of organic contaminants stops decreasing; and B) composting the Grade 1; by adding and mixing organic amendment under controlled temperature, nutrients content and water content conditions, and monitoring pathogens content and respiration rate; and stopping the addition of organic amendment upon detection of absence of pathogens at a predetermined respiration rate.
6.
INSERTION TOOL FOR REHABILITATION TUBULAR LINER IN PIPES AND PIPELINES
A method and apparatus for inserting a tubular liner impregnated with a hardening resin into the conduits or pipes to be rehabilitated is disclosed. The apparatus is a tool comprising a cylindrical segment and a conical segment, the cylindrical segment and the conical segment connected together to form a passageway adapted to guide a tubular liner inside a host pipe.
A method of rehabilitating a network of underground water conduits having at least one lateral opening and a membrane for that purpose is disclosed. The method comprising the steps of blocking and sealing the at least one lateral opening with a membrane impregnated with a hardening resin positioned over the at least one lateral opening, and allowing the resin to harden thereby forming a rigid membrane over the at least one lateral opening.
F16L 55/179 - Devices for covering leaks in pipes or hoses, e.g. hose-menders specially adapted for bends, branch units, branching pipes or the like
F16L 55/1645 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
8.
TUBULAR LINER FOR REHABILITATING UNDERGROUND AND SURFACE PIPES AND PIPELINES
A seamless tubular liner for repairing an underground or surface pipe is disclosed, including circumferential wefts consisting of slivers comprising a plurality of staple fibers bundled together, the slivers adapted to elongate through disentanglement of the bundled staple fibers when the seamless tubular liner is subjected to an inflation pressure such that the diameter of the tubular liner is able to expand to accommodate variations of diameter of the pipe being repaired.
F16L 55/163 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
A structural liner for reinforcing existing underground water conduits to resist earthquakes and landslides adapted for insertion into underground water conduits without having to excavate are disclosed. The reinforcement structural device consists of a seamless woven tubular sheath impregnated with a hardening resin which is adapted for insertion into a network of underground water conduits without the need to excavate. The seamless woven tubular sheath consists of continuous longitudinal fiber warp yarn providing tensile strength along the longitudinal axis of the woven tubular sheath and circumferential fiber filling yarn providing tensile strength around the wall of the woven tubular sheath.
A modular soil treatment system and apparatus for treating soils contaminated by petroleum hydrocarbons such as gasoline, diesel and heating oil, chlorinated hydrocarbons and volatile organic compounds is disclosed which can be transported to any site and reused.
A drilling apparatus for drilling from inside a conduit having at least one service entrance is described. The drilling apparatus comprises a robot, an elongated flexible appliance having a first end and a second end, the elongated flexible appliance connected to the robot; a rotatable drill head connected to the second end of the elongated flexible appliance, the elongated flexible appliance driven by the robot to extend the rotatable drill head inside the service entrance by at least 8 cm and to retract the rotatable drill head out of the at least one service entrance. The apparatus further comprises means to bend the elongated flexible appliance to orient the drill head connected thereto perpendicular to a longitudinal axis of the conduit.
A striking tool for removing a collar from a temporary pipe is disclosed, the tool comprising a striking head, a handle and a shaft connecting the striking head to the handle, the striking head including a semi-circular are shaped plate having an inner radius "R" substantially equal to half of the outer diameter of the pipe, and a striking portion defined by an edge of the semi-circular are shaped plate.
B25D 1/16 - Hand hammers; Hammer heads of special shape or materials having the impacting head in the form of a sleeve slidable on a shaft, e.g. hammers for driving a valve or draw-off tube into a barrel
B25D 1/00 - Hand hammers; Hammer heads of special shape or materials
F16L 55/00 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
13.
METHOD AND APPARATUS FOR REHABILITATING AN UNDERGROUND WATER CONDUIT AND DETECTING AND DRILLING A SERVICE ENTRANCE IN THE CONDUIT
A method and apparatus for rehabilitating an underground water conduit having at least one service entrance, the method comprising plugging the service entrance with a plug having a light emitter connected to an antenna coil that generates an electrical current when subjected to an electromagnetic field that will turn on the light emitter; lining the internal surface of the underground water conduit with a semi- transparent membrane; generating an electromagnetic field with a coil inductor near a drilling head having a drill bit; moving the drilling head inside the underground water conduit until the light emitter is turned on by the electromagnetic field emitted by the coil inductor; aligning the drill bit with the light emitted by the light emitter through the semi- transparent membrane; and drilling the plug with the drill bit through the semi- transparent membrane in order to reopen the at least one service entrance.
F16L 41/00 - Branching pipes; Joining pipes to walls
F16L 55/163 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
F16L 55/179 - Devices for covering leaks in pipes or hoses, e.g. hose-menders specially adapted for bends, branch units, branching pipes or the like
F16L 55/26 - Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
F16L 58/18 - Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings
14.
DETECTION OF NON-PROTRUDING POTABLE WATER CONDUIT OR WATERMAIN SERVICES USING THERMAL IMAGING
A method and system of detecting a service entrance in a conduit having a rehabilitation liner, comprising generating heat using a heat source; introducing the heat into the lined conduit; allowing the lined conduit to cool; generating a thermal image of the lined conduit using an infrared camera system; detecting temperature differentiations in the lined conduit in order to detect a service entrance wherein the service entrance is a non-protruding service entrance, a partially-protruding service entrance or a service entrance in a saddle fixed to the conduit.
A plug for a tubular service entrance of a conduit, wherein the plug includes a core body having a central hollow channel extending from a first end to second end of the core body; at least one flexible fin extending radially outwardly from the core body and having an outer diameter greater than the inner diameter of the tubular service entrance so that the plug is adapted to fit tightly into the tubular service entrance, and wherein the at least one flexible fin is deformable to adapt to the shape of the service entrance and apply a lateral force against the inner diameter of the service entrance. A plug dispensing magazine for storing and dispensing service entrance plugs to be service entrances of a conduit prior to installation of a liner in the conduit and a method of sealing the service entrances.
F16L 55/1645 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
F16L 55/18 - Appliances for use in repairing pipes