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7588055 |
Method of locating liner within sewer pipe
A method of inserting a cured in-place pipe from a cleanout includes positioning a lining along a portion of a length of a bladder, wherein the lining is frangible connected to the bladder,...
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7588054 |
Apparatus and method for lateral pipe identification
The method for identifying lateral pipes includes printing identifying indicia on the interior surface of a liner assembly positioned adjacent the lateral pipe. The apparatus includes the liner...
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7527076 |
Vertical pipe lining method and system
The invention discloses a vertical pipe lining method comprising placing a repair material having a first end and a second end into a pipe having a bottom opening and a top opening. The repair...
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7524387 |
Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition or spur lines to pipelines
A method of reinforcing a metal panel or pipe of an existing structure comprising the steps of attaching a reinforcing metal layer to said metal panel or pipe in spaced apart relation to thereby...
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7523764 |
Method and apparatus for spot repair of pipe
The invention comprises a fluid inflatable bladder with at least one electrical heating component comprised of carbon fibers. Also subject of the invention is an interior surface pipe repair...
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7503349 |
Lateral pipe lining material and lateral pipe lining method using same
A lateral pipe lining material is comprised of a tubular resin absorbing material impregnated with a setting resin and has a flange formed on one end thereof. A peeling tube is mounted to an outer...
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7487802 |
Systems and methods for pipeline rehabilitation
The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed...
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7478651 |
Bore-lining tubing
A method of lining a bore section, the method comprises providing a first tubing section and an expandable thin-walled second tubing section. The first tubing section is run into a section of a...
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7478650 |
Inversion liner and liner components for conduits
Inversion liners are provided which in a first embodiment include first and second flexible fabric layers joined to first and second high strength fiber containing layers and joined in tubular...
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7451783 |
Position adjusting spacer and method for adjusting the position of a rehabilitating pipe using such
A spacer is constituted by overlapping on a first wedge-shaped member, whose upper surface is inclined at a prescribed angle, a second wedge-shaped member, whose lower surface is inclined at the...
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7426941 |
Apparatus and method for lateral pipe identification
The method for identifying lateral pipes includes printing identifying indicia on the interior surface of a liner assembly positioned adjacent the lateral pipe. The apparatus includes the liner...
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7401647 |
Flush mounted tubular patch
Casing or other well tubulars that have failed are repaired in a manner that doesn't reduce the final inside diameter and doesn't further propagate the failure. The tubular needing repair is first...
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7398797 |
Pipe lining method
There is provided a pipe lining method wherein a lateral pipe lining material and a main pipe lining material are securely joined. After a lateral pipe has been lined, a start liner is applied to...
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7360559 |
Steam cure of cured in place liner
A process for lining an existing pipeline or conduit with a flexible resin impregnated cured in place liner by pulling in the liner and inflating an eversion bladder with air and curing the liner...
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7343937 |
Method of locating liner within sewer pipe
A method of inserting a cured in-place pipe from a cleanout includes positioning a lining along a portion of a length of a bladder, wherein the lining is frangibly connected to the bladder,...
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7341280 |
Rehabilitating pipe and method for laying a rehabilitating pipe
A rehabilitating pipe is assembled inside an existing pipe using segments to repair the existing pipe. A coupling member is inserted through a segment when it is coupled in the longitudinal...
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7320341 |
Protective liner for slurry pipelines
A pipe comprises an outer surface and an inner surface, where the inner surface includes an abrasion resistant material layer covering a substantial portion thereof. An adhesive layer affixes the...
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7311122 |
Lining material for rehabilitating an existing pipe and a manhole, and barrier liner and method for rehabilitating a pipe and a manhole
A pipe lining material for lining the main pipe of a sewer has a soft tubular resin absorption material impregnated with a liquid thermosetting resin, and also has a biodegradable film applied to...
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7270150 |
Method of lining a pipeline
The present invention is an improved method for installing a liner to repair a pipeline. The method involves placing a flexible lining hose that is coated with a thermosetting resin into the...
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7258141 |
Pipe liner apparatus and method
A thermoplastic pipe liner assembly and method for installation in a pipeline by pulling the pipe liner assembly through the pipeline in a temporarily folded condition wherein the thermoplastic...
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7216674 |
Installation assemblies for pipeline liners, pipeline liners and methods for installing the same
An installation assembly ( 20 ) for installing a liner (L) in a pipeline (P) comprises a double bladder assembly ( 22 ) including an inner bladder ( 26 ) having an installation end ( 26 b ) and a...
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7191801 |
Apparatus and method for installation of pipe liner
An apparatus and method for lining sewer pipes that utilize an adjustable form configured to conform to the shape and dimensions of the interior of a man-entry sized pipe line. The adjustable form...
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7182103 |
Tubular patch expansion apparatus with inflatable bladder
A tubular patch expansion apparatus includes an elongated tubular bladder adapted to expand radially outwardly to expand an overlying tubular patch. A bladder setting assembly is secured to a first...
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7165578 |
Method for laying a rehabilitating pipe
A rehabilitating pipe is laid inside an existing pipe to rehabilitate the existing pipe. Support members are intergrally connected to an inner wall surface of the existing pipe so that loop...
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7156124 |
Segment for rehabilitating an existing pipe and a rehabilitating pipe assembled using segments
A segment for rehabilitating an existing pipe has an integral structure comprised of an inner plate having an inner circumferential surface that is planar or curved with a prescribed curvature, two...
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7121305 |
Method for lining an existing pipe and collar for protecting a lining material
A method for lining an existing pipe uses a tubular lining material comprising a flexible resin absorber impregnated therein with a liquid setting resin. One end part of the lining material is...
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7096890 |
Inversion liner and liner components for conduits
Inversion liners are provided which in a first embodiment include first and second flexible fabric layers separated by one or more glass fiber containing layers and joined in tubular form. The...
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7090006 |
Replaceable liner for metal lined composite risers in offshore applications
A method of re-manufacturing a composite riser section having a damaged original metal liner comprises inserting an expandable replacement liner into the bore of the composite riser section and...
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7080667 |
Lined pipeline vent
The present invention relates to apparatus for use in venting pipelines that have a plastic lining such as these used for transporting hydrocarbon fluids. A pipeline assembly comprises a pipeline (...
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7073536 |
Apparatus, methods, and liners for repairing conduits
An apparatus and method for repairing the juncture or intersection of a first conduit and a second conduit is disclosed. The apparatus includes a main body for transporting and positioning a repair...
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7052567 |
Inflatable heating device for in-situ repair of conduit and method for repairing conduit
The apparatus of the present invention is generally characterized by a heating/inflation module having pressurizable interior and an attached heat curable pre-preg. In particular, an elastomeric,...
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7051766 |
Pipe liner bag everting nozzle and pipe lining method
A pipe liner bag everting nozzle is provided for allowing an operator to freely access a manhole during a lining operation. A pipe liner bag everting nozzle comprises a guide tube fixing end for...
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7037043 |
Methods for lining pipes and connecting the lined pipe with adjacent or lateral pipes
A section of a host pipe is removed, a flange is placed at one end of the host pipe section and split sleeve halves are secured to one another and at one end to the flange to cantilever the split...
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7028716 |
Method for rehabilitating an existing pipe
A rehabilitating pipe having a flange at one end thereof is laid inside a first existing pipe so that the flange contacts an inner circumferential surface portion of a second existing pipe...
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7025580 |
Method and apparatus for lining a conduit
Method and apparatus for installing a liner material into a host conduit such as, e.g., a sewer pipe, hydrocarbon pipeline, gas line, water line, industrial chemical pipe, or a saltwater line. The...
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7018691 |
Reinforcing liner, system and method of reinforcing a structure, and reinforced structure thereby
The present invention relates to a pipe liner assembly for sealing and rehabilitating the walls of an underground structure. The system includes an inflation bladder, a woven liner and a non-porous...
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7017613 |
Segment for rehabilitating pipe assembly
A segment is coupled to additional segments to constitute a rehabilitating pipe for repairing an existing pipe. The segment comprises an inner plate that defines the inner circumferential surface...
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7017612 |
Conduit for paint
A paint conduit has a conduit wall enclosing an interior and a cleaning device that has a hose arranged in the interior and a pressurized fluid source connected to the hose. The hose is expandable...
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7000646 |
Polymeric pipes and liners and fuel lines made from blends of fluoroppolymers and polyamides
A pipe or liner for use in the oil and gas industry that comprises a melt-mixed bend of polyamide and grafted fluoropolymer having polar functionality where the grafted fluoropolymer having polar...
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7000643 |
Bladder system for conduit expansion
Disclosed is a bladder system for use in conjunction with a conduit expansion process and system. In addition, the bladder system is in operative communication with an injection material handling...
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6994118 |
Device and method for repairing pipe using hydrophilic seals
A liner tube is provided for repairing either a single pipe line or a main pipe line having a lateral pipe line connected thereto. The liner tube assembly includes a liner tube impregnated with a...
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6994117 |
Piping elbow liners
Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably...
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6986366 |
Tube for the electrostatic coating of workpieces
For the pig delivery of the coating material at high voltage in a system for electrostatic mass-production coating of workpieces in the vicinity of grounded parts of the system, a multi-layer tube...
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6983766 |
Lined pipe wherein the liner comprises a one-way valve
A pipe for the transport of fluids, which pipe is internally provided with a liner, wherein the liner is provided with at least one non-return valve arranged in the liner wall, wherein the...
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6971412 |
Method for fixing a flexible element in a tube with tight fitting and assembly for use in this method
The invention relates to a method for fixing a relatively flexible element ( 3 ) in a tube ( 2 ) with tight fitting, by arranging around the flexible element a co-displacing member ( 5 ) which...
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6966950 |
Method and apparatus for treating underground pipeline
A system for internally filling a joint or other discontinuity in a pipeline. The system includes a flexible conduit, a fill device removably connected to said flexible conduit, wherein the fill...
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6960313 |
Method and apparatus for installing a flexible tubular liner
A method and an apparatus for use in installing a liner in a conduit as part of a repair procedure, the apparatus including a sealing inlet port ( 106 ) for passage of the tubular liner ( 72 ) into...
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6948883 |
Sealing the junction region where a lateral pipe and a main pipe meet
A lining for sealing the junction region where a lateral pipe and a main pipe meet. It has a two-portion structure including a main portion for lining a portion of the main pipe and a lateral...
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6942426 |
Process and apparatus for repairing pipes
A two-stage process for repairing pipes at elevated temperatures and at elevated pressure. The process comprises the steps of preparing and displacing a hose assembly within the pipeline needing...
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6935376 |
Enhancement of profiled tubular lining systems by channel augmentation
A tubular system made up of a tubular, a liner in the tubular, and longitudinally oriented members, which may be disposed within channels in the liner. The members advantageously may be used for...
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