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7624760 |
Liquid tank puncture-repair method
A structure-aided method for sealing, from the outside, a liquid-leaking puncture wound in the wall of a liquid container. This method is implemented utilizing a patch body having a perimetered...
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7617843 |
Split sleeve clamp assembly
A split sleeve assembly or clamp includes a longitudinally extending body having upper and lower half sections and a cylindrically shaped chamber having two pair of C-shaped flanges that divide the...
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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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7521635 |
Insulating wrap
A insulating wrap includes a flexible elongate body of insulating material adapted to be wrapped in a helical fashion around an object, such as a pipe. The body has a first end and a second end. A...
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7513275 |
Repair kit for natural gas pipe
A method and kit for repairing a gas leak in a pipe containing natural gas. The natural gas repair kit includes a leak sealant, a pressure sealant, and an encapsulator. The method for repairing the...
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7500494 |
System and method for pipe repair
A system and method of reinforcing a portion of a pipe, including applying a fiber structure to the portion of the pipe to be reinforced, and pressurizing resin through the fiber structure to the...
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7472722 |
Method of permanently repairing a pipeline section using a combination wrap and sleeve structure
The invention relates to a permanent method of repairing leaking, damaged, or weakened pipe by grit blasting the pipe ( 10 ), followed by wrapping it with a fiber reinforced composite material ( 12...
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7472476 |
Method of applying joint infill cladding to pipe
A protective sleeve is applied as a permanent outer cladding shield over a joint infill at the welded end closure portions of adjacent coated sections of pipe for a pipeline in or beneath a body of...
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7464728 |
Pipe seal assembly and method
A two-part housing grips and surrounds a portion of a pipe, with ports at first and second ends of the housing through which the pipe extends. An annular end seal of elastomeric material at each...
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7409969 |
Liquid tank puncture repair kit
Structure, for sealing, from the outside, a liquid-leaking puncture wound in the wall of a liquid container. This structure includes a patch body having a perimetered cavity selectively securable...
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7370676 |
Sleeve with insert for repairing high-pressure fluid pipes
A sleeve f or repairing a fluid pipe ( 12 ), including a rigid or flexible shell ( 22 ) which forms a mold that surrounds at least one defective area ( 10 ) of the pipe. A liquid-state...
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7367362 |
System and method for pipe repair
A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed...
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7347227 |
Method of reinforcing a cylindrical pipeline and prefabricated plate used in such method
In order to reinforce a cylindrical pipeline, in particular an underground water supply pipeline, prestressing reinforcements are placed and tensioned around it. In a zone where the pipeline has a...
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7303359 |
Pipe reinforcement system and method
A pipe reinforcement system for reinforcing a pipe including a pipe section having an inner and an outer elbow surface separated by a pipe opening with a plurality of ceramic tiles overlying the...
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7273073 |
Method and device for the protection of a pipe portion
The present invention provides a method, device and tools for the protection of cadmium welds, holidays or the like on underground pipe portions, wherein the device includes a patch having a...
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7261324 |
Containment apparatus and method for attachment to a ruptured pipe
In one embodiment, a containment apparatus includes an outer casing having a body with a first end and a second end sized to fit around a pipe, and an interior channel in the body that extends...
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7174920 |
Method for repairing pipes
The invention concerns a method for repairing a pressurized fluid supply pipeline ( 1 ) comprising a series of buried prestressed concrete pipe segments ( 2, 3, 4 ) which consists in: providing...
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7165579 |
Pipeline repair system and method of installation
A pipeline repair system includes a sleeve adapted to permanently enclose an outer surface of a longitudinal section of a pipeline having a defect. The sleeve includes two or more longitudinal...
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7066210 |
Compression pipe repairing and reinforcing methods
A method of repairing a section of pipe is described. The method includes applying a first split sleeve and a second split sleeve to the pipe section, functionally associating the first end of the...
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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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7033114 |
Method for installing reinforcements around a cylindrical underground pipeline
In order to install a reinforcement around a cylindrical underground pipeline, an excavation coffer is laid on the ground above the pipeline, at the same time placing transversely to the pipeline...
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6997260 |
Method of repairing tubular members on oil and gas wells
The disclosure concerns a method and apparatus for repairing or structurally reinforcing an oil and gas well tubular member, or an assembly of tubular members. The assembly to be repaired can...
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6990718 |
Tee connection to a pipeline
A method for securing a branch assembly to a pipeline includes positioning a first containment ring surrounding an area from which the branch is to extend, positioning a first annular seal within...
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6971413 |
Apparatus for repairing an underwater pipe
A pipe clamp 10 for repairing an underwater pipe. The pipe clamp 10 comprises a plurality of part-cylindrical portions 12,14,16 hinged together along a hinge axis or axes 27 along adjacent...
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6901967 |
Natural gas pipe repair fitting and method
Natural gas pipe repair fittings and methods for using same allow safely welding a pipe repair fitting over a leaking natural gas service line “T” fitting. A bottom half and a top half are...
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6884373 |
Process for securing a branch assembly to a pipeline
A method for securing a branch assembly to a “live” pipeline. An upper part of the assembly incorporating the branch is positioned on the pipeline over a containment ring located on the...
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6883835 |
Polyfusion pipe repair system and method
An apparatus and method for sealing a leak in a plastic pipe is provided. The apparatus includes a body and an electrofusion element. The body is constructed of a substantially rigid material and...
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6860297 |
Local degraded area repair and restoration component for pressure retaining items
What is new in the art to which my invention pertains is that it allows for a repair or restoration of a pressure retaining item that has local material degradation to an acceptable state of...
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6830268 |
Pipe repair clamp
The present invention relates to a repair clamp providing an improved pipe repair clamp. The clamp according to the invention could be used in some cases as a coupling to join two pipe ends. The...
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6774066 |
Composite structural reinforcement device
A composite structural reinforcement device to be applied to structural members by wrapping in successive overlying layers includes a body formed of a first ply of resin impregnated high tensile...
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6737134 |
Abrasion resistant pipe
Abrasion resistant pipes of this invention comprise a structural wall formed from a filament wound fiberglass-reinforced material, and an elastomeric abrasion resistant material disposed along the...
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6675836 |
Clamp for stopping gas leaks
A clamp attachable to a vehicle for remotely stopping gas leaks in a gas line is provided. The clamp includes a first boom having a first end, a second end and a pipe engaging portion adjacent the...
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6669406 |
Method and apparatus for underground connection of pipe
The method and two devices provide for the underground connection of pipe with minimal disruption of the surrounding landscape. A main pipe is cleaned by a surface preparation tool designed to...
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6637076 |
Fabricated steel lug pipe repair clamp
A fabricated steel pipe repair clamp having a steel band and interlocking steel lugs having respective tension bars and tightening bolts or studs forming the tightening assembly. The tightening...
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6612341 |
Securing shell assemblies to pipelines
A method for securing a shell assembly to a pipeline. A two part shell assembly is secured to the pipeline and holds in position an annular sealing arrangement located about a predetermined area of...
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6543487 |
Method of securing a curing composite substrate wrap to a structure
A wrapped and curing substrate is secured: with a strap. The strap has two clips, each having a prong. The prong of a first clip is slid in a first direction into a first portion of the wrapped...
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6543486 |
Leakage plugging method and implement
An inflatable plug within a fragile streamlined cover attached to a rigid lance tube is pushed through a leakage hole to plug it on an upstream end by being inflated with pressurized fluid...
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6541106 |
Hydrophilic polyurethane impregnated rubber for sealing water leaks
A material provided for sealing leaks in water conveyance systems includes a porous hydrophilic rubber impregnated with a water reactive polyurethane resin. When the material comes into contact...
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6536480 |
High-pressure pipe element made of a hooded tube
High-pressure pipe element made of a hooped tube for making lines referred to as kill lines and choke lines that equip oil production installations, notably offshore. The high-pressure pipe element...
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6520211 |
Transport pipe for solid materials
A transport pipe for solid materials has a single layer pipe section having a threaded first end and a thread second end. The pipe section has a hardened inner mantle. A first coupling collar...
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6405671 |
Method of indicating a helix pitch of a repair substrate wrapped about a cylindrical structure
In the process of wrapping a strip-like flexible repair substrate around a cylindrical article such as a pipe, an edge of the repair substrate is aligned with at least one visible indicia along the...
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6390136 |
Method of producing a hose/clamp combination and a hose/clamp assembly produced thereby
A hose/clamp combination wherein the clamp is oriented axially and circumferentially in its radially open position and held in place by a glued fabric overlay.
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6386236 |
Method of prestressing and reinforcing damaged cylindrical structures
A method of prestressing and reinforcing damaged pipes includes using a resin impregnated substrate, or a fiberglass fabric coated with a resin, to wrap a damaged area of the pipe. In order for the...
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6336983 |
Method of and apparatus for reinforcing pipe
Reinforcing bands of high tensile strength filaments in a cured resin matrix are in the shape of a coil having a plurality of elastic convolutions for reinforcing a weakened pipe. Areas of...
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6336472 |
Pipe repair and replacement apparatus and method
A pipe replacement apparatus includes a housing having upper and lower walls that are sealed together about a pipe section to be replaced; on the interior surfaces of the walls, tracks are provided...
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6334465 |
Device for stopping a leak in a pipe
A device for stopping a leak in a pipe having at least one crack, including an elastomer sheet applied against the crack with a force applicator and a clamping mechanism arranged around the pipe...
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6305719 |
Pipe repair clamp
A clamp for repairing a damaged pipe member. Shell members are matingly engaged around the damaged pipe member. Segmented inserts are received in a complementary annular channel formed in an inside...
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6298882 |
Explosion resistant blanket for flow line
An explosion resistant blanket for a flow line component having a plurality of flexible inner layers constructed from a high tensile strength material. A flexible cover layer covers the inner...
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6296021 |
Leak repair device for rigid pipes
A leak repair device composed of an elastomeric seal having an outer toroidal portion radially of a central axis and a continuous membrane portion integral with and peripherally enclosed by the...
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6296006 |
System and method for sealing leaks in vessels
A system and method are disclosed for sealing leaks in electrical insulators and other equipment without the need for depressurizing that equipment. The system and method may be readily adapted to...
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