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8424571 |
Repair system and method
Disclosed herein is a repair apparatus and method for pipe and fittings. In one form, the method relates to utilizing fabric-like material which is intermixed with an adhesive. In one form, the...
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8418337 |
Dry fiber wrapped pipe
A reinforced pipe section comprises a metal pipe, a layer of dry fibers disposed around the metal pipe, and an external liner covering the layer of dry fibers. A method of manufacturing a...
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8403007 |
Rivet plumbing repair apparatus and method
A repair process for a puncture through a plumbing pipe, the process initiates with a step of machining a puncture hole to a uniformly shaped hole having a diameter for receiving a repair rivet....
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8365774 |
Method for repairing flexible tube
Around a damaged area of a jacket of a flexible tube, a top coat layer whose adhesion to a polymer layer is weak is peeled off with an adhesive tape. The damaged area and its immediate surrounding...
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8353317 |
Soft crack arrestors for pipelines
An arrestor for arresting an axial ductile propagating fracture in a pipeline transporting a high-energy fluid is made from a material such that the arrestor deforms sufficiently when encountering...
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8210210 |
System and method for modular repair of pipe leaks
A method and apparatus for modular pipe repair, the method comprising attaching two enclosure halves over a leak in a pipe to assemble a first repair enclosure and determining if another repair...
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8151828 |
Pipe-clamping tool
A pipe-clamping tool (100) comprises a tool body (102) and first and second tool jaws (104, 106). The tool further comprises a bar (110) in threaded engagement with a portion of the tool body. One...
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8141592 |
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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8113242 |
Composite repair for pipes
A repair assembly is provided for repairing a pipe that in one embodiment includes a layer of thermoplastic material substantially surrounding the pipe in an area needing repair; a heating element...
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8061389 |
Duct leakage control
The invention relates to the control of leakage from ducts, such as fluid-carrying pipework, without necessarily requiring direct access to the leakage site itself; since leakage sites are often...
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8056583 |
Sealing means, kit and method for sealing of hollow hoses of flexible material
The present invention relates to sealing means made of a plastically deformable material for mechanical sealing of hollow hoses (2) of elastic material by means of an appliance having at least two...
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7992594 |
Sealing apparatus
An apparatus for sealing a pipe having a defect or penetration comprises a housing coupled to the pipe by a clamp member. A piston is mounted in the housing and the piston and housing define a...
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7981229 |
Method of making and using shape memory polymer patches
Patches consisting of transparent or translucent shape memory material can be manufactured so as to affect repair of transparent or translucent parts that have been damaged. These patches can be...
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7954517 |
Rivet plumbing repair apparatus and method
A repair process for a puncture through a plumbing pipe, the process initiates with a step of machining a puncture hole to a uniformly shaped hole having a diameter for receiving a repair rivet....
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7950418 |
Device and method for repairing a pipeline
A method for repairing a pipeline by means of at least one shell that is adapted to the outer contour of the pipeline, wherein the at least one shell is attached to the outer wall of the pipeline...
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7938923 |
Method of making and using shape memory polymer composite patches
A method of repairing a composite component having a damaged area including: laying a composite patch over the damaged area; activating the shape memory polymer resin to easily and quickly mold...
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7938136 |
Method for sealing taps
An inexpensive method for quickly and safely sealing illicit taps in a pipe, such as for example a pipe through which a combustible material like oil or gasoline is flowing. The method first seals...
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7938146 |
Repair apparatus and method for pipe and fittings
Disclosed herein is a repair apparatus and method for pipe and fittings. In one form, the method relates to utilizing fabric-like material which is intermixed with an adhesive. In one form, the...
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7900655 |
Composite load transferring technique
A method for repairing and reinforcing a pipeline includes covering a defect in a pipeline section with a composite wrap, isolating the wrap from the ambient environment, and applying a compressive...
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7854449 |
Composite laminated sheet material for containment sumps
The present invention is a composite laminated sheet material suitable for structures such as containment sumps. The laminated material comprises a fabric-backed thermoplastic layer upon which...
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7740028 |
Composite plug system and process for high pressure pipeline leaks
A composite plug system and a process to repair a hole in a tubular pipe. The process includes the steps of inserting a fastener through an opening in an oblong inner plate having an elongated...
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7731242 |
Pipe clamp with built in test fitting
A pipe clamp includes a deformable cylindrical sealing sleeve having a continuous side wall with a slotted opening extending 180 degrees around the circumference of the side wall adapted to receive...
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7673655 |
Composite wrap repair of internal defects
A system and method for repairing and reinforcing a pipeline includes a pair of opposing composite wrap bands that are located on the external surface of the pipeline and positioned a predetermined...
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7635007 |
Method of repairing a leak in a flange of a gas pipe
A method of repairing a pipe (11) containing a pressurized fluid and having at least one leak, for instance in a flange (10), including the steps of installing a flexible and sealed casing (12)...
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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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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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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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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 polymerizable...
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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 âTâ fitting. A bottom half and a top half are wel...
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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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