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7622178 |
Metallic doubler repair of composite arcuate flanges
An assembly includes a composite flange, an insert, an adhesive and a support. The composite flange has at least one damaged aperture. The insert is positioned in the damaged aperture and extends...
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7591491 |
Clamp for an anodeless riser, and methods of constructing and utilizing same
A repair clamp made of heavy-duty plastic material. The repair clamp is used to fix a problem on an anodeless riser. The clamp has two sides and six stainless steel bolts and nuts.
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7566076 |
Conduit fitting for conduits
A unitary conduit repair joins first and second conduits each having open ends spaced from one another a predetermined distance, wherein the repair includes a unitary tubular body having a first...
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7513719 |
Reaming tool for broken conduit
A reaming tool for reaming a socket in a broken end portion of a cylindrical conduit enlarges the internal diameter of the broken end portion to provide a socket for receiving a male end portion on...
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7506895 |
Segment for a rehabilitating pipe
A segment is coupled to another segment in circumferential and longitudinal directions thereof to assemble a rehabilitating pipe for rehabilitating the existing pipe. Each of the coupled segments...
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7497000 |
Method for repairing a collapsed duct section
The present invention is an apparatus and method for repairing a collapsed underground duct for a fiber cable. A head is inserted into the duct until the collapsed section is sensed. Power, such as...
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7464971 |
Pipe fittings
Pipe fittings, used in joining abutting ends of two pipe sections, comprise a pair of semi-cylindrical members that are adapted to fit around and engage the periphery of opposed ends of the two...
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7381454 |
Tubular product
A tubular product has a tubular base layer, a tubular innermost layer made of plastic by continuous extrusion, and a tubular tie layer of foamed plastic between and adhered to the base layer and...
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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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7322614 |
Motor vehicle exhaust pipe repair device
A device for repairing automobile, and other vehicle, exhaust pipes that have been broken. The device comprises three major components, four sections of angle steel, four U-bolts, and two thread...
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7316423 |
Fitting and pipe section for jetted bath heaters
A fitting and pipe section assembly 10 that is capable of being installed in tubing 20 A and 20 B of a jetted bath to render the tubing 20 A and 20 B adaptable to accept a close fit fluid...
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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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7243959 |
Reactor water isolation devices
A seal clamp assembly for sealing an opening in a piping system includes, in an exemplary embodiment, a base having a first side, a second side and an aperture extending therethrough from the first...
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7232160 |
Pipe clamp inner seal
A sealing of pipe repair clamps is taught providing a flexible inner sheet or sleeve adapted for duty inside a pipe repair clamp to prevent leakage of the fluid to be transported in a pipeline. The...
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7168743 |
Means to seal terminal ends of pipe sleeves
An apparatus to seal terminal ends of the two half oversized sleeves, positionable on the external circumferential side of affected riser pipes. The apparatus comprises of a pair of flange bodies...
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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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7018577 |
Panel liner and method of making same
A method of forming a liner for a passage such as a sewer includes forming panels composing the liner using a neat resin of a first density and a polymer concrete of a second, higher density. The...
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6976710 |
Method and device for repair and replacement of pipe broken at a junction
A method and device for repair and replacement of pipe broken at a junction. The device includes a coupler having a female end and a male end. The female end of the coupler has an inside diameter...
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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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6962544 |
Front derailleur for a bicycle
A front derailleur includes a fixed member, a chain guide and a linkage assembly. The fixed member has a mounting portion and a pair of mounting flanges axially spaced from each other. The linkage...
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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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6840549 |
Threaded riser adaptor for attaching a structure to a riser
A threaded riser adaptor is threadedly engaged to a liquid storage tank riser and a structure to provide a liquid-tight seal between the riser and structure. The adaptor is particularly useful when...
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6837522 |
Pipe repair clamp installation tool
A manually operated tool engages and draws towards one another opposed spaced flanges of a repair clamp disposed about a leaking pipe for securely maintaining the clamp in position on the pipe over...
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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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6789578 |
Remotely operable closure device
A remotely operable closure device is disclosed. The device includes a base hub, a clamping mechanism, a closure mechanism, and a drive mechanism. The base hub is attached to a conduit and allows...
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6696174 |
Method of repairing multiple tube structures and repaired multiple tube structures
A method for making a repair to a repair site of a structure made from at least a first tube and a second tube which are joined together with welds. The method includes cleaning and preparing the...
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6692039 |
Internal conduit sealing installation
A sealing installation mountable in the interior of a conduit. The installation includes a resilient connector sleeve having connector sealing assemblies at opposite ends of the sleeve. A first...
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6692035 |
Device and method for coupling pipes
The device and method for a pipe coupling, the pipe coupling consisting of an elongated housing having a first end and a second end, the housing defining an elongated cylindrical bore therein. A...
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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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6619697 |
Y-branch splittable connector
An existing protective duct contains a bundle of guide tubes through which fiber optic cables are run to customers at existing service locations. In order to run a cable to a new customer at a...
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6569493 |
Method of repairing a paper machine dryer journal moisture barrier
This invention relates to a method of repairing a moisture barrier separating a paper machine dryer drum from the dryer journal. Such processes of this type, generally, involve filling the cavity...
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6556924 |
Maintenance optimization system for water pipelines
A method of determining optimal repair options for cast iron and ductile iron water or wastewater pipe sections having a number of pipe-lengths is provided. The method includes the...
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6513838 |
Connection of double-walled pipes
A double-walled pipe connection for an aircraft fuel line includes a first outer pipe surrounding a first inner pipe, a second outer pipe surrounding a second inner pipe, a pipe coupling joining...
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6467811 |
Flanged connection repair device and method
The present invention is a flanged connection repair device and method for flanged pipe joints and the like that produces axial compression against the flanges of the joint so that the flange bolts...
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6440510 |
Irrigation hose splice
An irrigation hose splice and method of making the same that permits used irrigation hose to be reinstalled and retrieved in the same manner as new irrigation hose. The method of splicing includes...
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6409176 |
Wellhead housing seal assembly with backup feature
A tubular connection, an example of which is a subsea wellhead having a primary and secondary seal areas allows the use of a backup or contingency gasket for engagement with the secondary seal area...
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6390509 |
Shroud connection for replacement core spray pipe
A shroud connection device for replacement core spray piping systems in a boiling water reactor includes replacement pipe, first and second coupling devices, and a rod. The pipe has a spherically...
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6378549 |
Fuel tank
In the case of a fuel tank for a motor vehicle, a filling pipe ( 2 ), which is welded to a tank chamber ( 1 ), has a section ( 3 ) provided for the separation. The section ( 3 ) provided for the...
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6375230 |
Apparatus and methods for precluding separation of a thermal sleeve and elbow joint in the recirculation system of a nuclear reactor
A clamp assembly prevents separation of a thermal sleeve penetrating a nuclear reactor pressure vessel wall and a jet pump riser elbow welded one to the other and lying within an annular space...
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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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6293593 |
Collar clamp assembly for repairing core spray piping
A collar clamp assembly is disclosed for repairing and providing a temporary seal around leaking pipe coupling areas of an internal core spray system of a nuclear reactor. The clamp assembly...
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6276726 |
Pipe line repair anti-corrosion electrically isolated clamp-coupling
A pipeline repair clamp partially or completely embracing the outer wall circumference of a pipe having a damaged area; a single or complementary semi-cylindrical clamp bodies having diametral...
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6270124 |
Band adapter for front derailleur
A band adapter is provided for adapting a front derailleur of a bicycle to smaller sized frame tube. The front derailleur has a fixed member or tubular clamping member that is adapted to be coupled...
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6264203 |
Methods and apparatus for repairing a cracked jet pump riser in a boiling water reactor utilizing a spacer camp
A method for repairing cracked jet pump riser assemblies in a boiling water reactor utilizes a spacer clamp and a seal collar. The spacer clamp is secured to the riser assembly to limit horizontal...
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6244630 |
Method and apparatus for non-intrusive on-line leak sealing of flanged piping connections
A pressurized leaking flange joint is sealed with a 1/4 circle load support structure, a jacking bolt extending therethrough and applying a radial load to a sealing plug between the flange gap. The...
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6236700 |
Downcommer coupling apparatus and methods
Downcommer coupling apparatus and methods for replacing a core spray line downcommer pipe coupled to a shroud T-box are described. In one embodiment, the coupling apparatus includes a wedge flange,...
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6217688 |
Method of repairing a flanged pipe joint
A method of repairing a flanged pipe joint includes selecting a flexible sheet of material and mounting a tube through the selected material to form a passageway therethrough. One end of the...
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6206048 |
Method for repairing a bead lock hose fitting
The steps include cutting an old ferrule and hose from a bead lock fitting, inserting axially a new ferrule having an oval or irregular opening over the bead lock fitting and wedging an edge of the...
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6079613 |
Heat suppressing wrap
A heat suppressing wrap is provided for suppressing the transfer of thermal energy along a pipe during a thermal joining operation, such as a high temperature, open flame welding, brazing or...
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