Entries |
Document | Title | Date |
20090272452 | SYSTEMS AND METHODS FOR LOCATING AND RESTORING SERVICE LINES IN PIPELINE REHABILITATION - Embodiments of the present invention include a system for locating and restoring service lines during pipeline restoration. According to some embodiments of the present invention, the system includes a movable chart, a plug with a marking magnet, and an attachment part. In some embodiments of the present invention, the movable cart is deployed along the inside of a pipeline. In some embodiments, the attachment part is movably coupled to the movable cart. The attachment part is configured to install a plug into the service line at a location where the service line intersects the pipeline, according to some embodiments. In other embodiments, the attachment part is configured to mark the location of the plug in the service line and remove the plug from the service line to restore a fluid connection between the service line and the pipeline. | 11-05-2009 |
20100012213 | Rehabilitating pipe segment and existing pipe rehabilitation method using same - A rehabilitating pipe segment of the invention is comprised of first and second segment halves that are linked together to provide a variable-width segment. The first segment half has an internal surface plate, a convex plate extending parallel to the internal surface plate, and a side plate extending perpendicular to the internal surface plate. | 01-21-2010 |
20100018598 | CONDUIT REPAIR STRUCTURE - A conduit repair structure in which solid objects are less likely to accumulate on a conduit bottom and that, even if solid objects accumulate on the conduit bottom, facilitates removal of the solid objects. A hollow frame-like reinforcement body laid substantially along a cross-sectional shape of a conduit ( | 01-28-2010 |
20100132823 | INSERT TUBE AND A SYSTEM OF INSERT TUBES - An insert tube is used for the repair or improvement of a pre-heating tube for air arranged in an exhaust gas pathway of a fuel burner. A pre-determined radial gap exists between the outer surface of the insert tube and the inner surface of the pre-heating tube for air such that the insert tube can be slid into the pre-heating tube for air. The insert tube is provided in the vicinity of each end with at least one groove that runs around its circumference. In the groove there is arranged at least one sealing ring of an elastic material. The sealing ring mounted in the groove has an external diameter that exceeds the internal diameter of the preheating tube for air. The sealing ring forms a seal against the inner surface of the pre-heating tube for air and prevents leakage through the sealing ring. | 06-03-2010 |
20100175772 | HOSE SYSTEM FOR HIGH PRESSURE HYDRAULIC SYSTEM - Hose system for use in an hydraulic system, includes a working hose for the transfer of hydraulic fluid having a pressure substantially higher than atmospheric pressure, and a safety hose surrounding the working hose, the working hose and the safety hose being tightly joined. A pressure transmitter is arranged for indicating a rise in pressure in a space between the two hoses. The system includes at least one bushing for releasable connection to the working hose and the safety hose. The cross-section of the safety hose allows space for the passing of the end couplings of the working hose. The bushing includes a space communicating with the space between the working hose and the safety hose, the space being in communication with a pressure transmitter able to signal an increase in pressure in the space between the working hose and the safety hose. | 07-15-2010 |
20100229990 | Aircraft Fluid Transport Line Repair Kit and Method of Use Thereof - A repair kit for use in repairing hydraulic lines, such as are found on aircraft, is described along with a method of utilizing the repair kit to repair hydraulic lines in aircraft. The kit in its most basic form comprises one or more series of rigid hydraulic line tubing sections. Each series comprises a plurality of tubing sections bent to a variety of different angles. To repair a leaking or damaged line, the repair technician removed the damaged section. If the damaged section includes a bend therein, the technician selects a repair tubing section having a similar bend. The repair section is appropriately sized and secured into place to complete the repair. | 09-16-2010 |
20100243091 | Scrim-Enforced Pipe Liner - Stretch-resistant liners for lining pipes, pipes lined with stretch-resistant liners, and methods for lining pipes with stretch-resistant liners. The liners are made from a lamination that includes a sealing layer, a strength layer of stretch-resistant woven material that overlies the sealing layer, a support layer of non-woven resin-impregnated material that overlies the strength layer, and a barrier layer that overlies the support layer. The lamination is rolled into a tube and inverted when inserted into a pipe so that the barrier layer is the layer that abuts the interior wall of the pipe, the support layer underlies the barrier layer, the strength layer underlies the support layer and the sealing layer underlies the strength layer is contacted by materials flowing through the pipe. | 09-30-2010 |
20100243092 | Methods and Systems for Coating and Sealing Inside of Piping Systems - Methods and systems for cleaning, coating and sealing leaks in existing pipes, in a single operation. A piping system can be cleaned in one pass by dry particulates forced and pulled by air throughout the piping system by a generator and a vacuum. Pipes can be protected from water corrosion, erosion and electrolysis, extending the life of pipes such as copper, steel, lead, brass, cast iron piping and composite materials. Coatings can be applied to pipes having diameters up to approximately 6″. Leak sealants of at least approximately 4 mils thick can cover insides of pipes, and can include novel mixtures of fillers and epoxy materials, and viscosity levels. A positive pressure can be maintained within the pipes during applications. Piping systems can be returned to service within approximately 96 hours. | 09-30-2010 |
20100269941 | PIPELINE LEAKAGE-SENSING DEVICE - A leakage-sensing device for installation adjacent to a pipeline configured for conveying liquid or gaseous chemical materials. The leakage-sensing device comprises a length of cable configured to transmit and back-reflect signals. The cable is communicable with a signal-measuring device. The entire length of cable is encompassed by a torsioned and tensioned coiled biasing means. The cable and the torsioned and tensioned coiled biasing means are embedded in a chemically frangible casing material. The chemically frangible material is selected for its structural instability when contacted with the selected chemical material to be conveyed within the pipeline thereby releasing the torsioned and tensioned biasing means which subsequently imparts bending and/or twisting and/or elongating and/or contracting forces to the cable thereby causing the cable to physically interfere with and/or deform and/or break the transmission and back-reflection of signals along the cable. | 10-28-2010 |
20100282350 | 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 ( | 11-11-2010 |
20110083765 | UV LIGHT AND PROTECTIVE FILM - A contact transparent single layer or multilayer film absorbing and/or reflecting UV radiation and short-wavelength visible light is disclosed. The film comprises at least one layer based on at least one optionally modified thermoplastic olefin homo- or co-polymer, comprising a combination of at least one organic or inorganic colored pigment or dye absorbing and/or reflecting short-wavelength visible light, and of at least one organic or inorganic compound absorbing and/or reflecting the UV radiation. The film disclosed herein can be used as a protective film against the effects of UV radiation and short-wavelength visible light, and a sewer cleaning system comprising said multilayer film as an external hose film and an inner, multilayer plastic film, and an impregnated UV-curable carrier material present between the two hose films | 04-14-2011 |
20110114213 | WATER POWERED HYDRAULIC SWAGE SYSTEM AND METHOD FOR WELL CASING REPAIR - A system for well casing pipe repair has a hydraulic circular press ( | 05-19-2011 |
20110139287 | ROD REEL AND METHOD OF REPAIRING A ROD STRING - A rod reel includes a reel body having a central axis, a first rod receiving channel and a second rod receiving channel. The first and second rod receiving channels are centered about the central axis. The second rod receiving channel is adjacent to the first rod receiving channel. The rod reel may be used to repair a rod string by loading a supplemental rod string in one of the pockets, loading the rod string into another of the pockets, cutting the rod string, and attaching a desired length of the supplemental rod string to the cut in the rod string. | 06-16-2011 |
20110155273 | SYSTEM AND METHODS FOR MULTIPLE SERVICE LINE PLUG DEPLOYMENT - Embodiments of the present invention include a system for locating and restoring service lines during pipeline restoration. According to some embodiments of the present invention, a system for service line plug transport and dispensing includes at least one magazine tray including a plurality of service line plugs and a plug advancement mechanism for pushing at least one of the plurality of service line plugs off of the magazine tray and onto an applicator fitting. According to embodiments of the present invention, the applicator fitting includes a magnet configured to interact with a magnet inside the at least one of the plurality of service line plugs. | 06-30-2011 |
20110259460 | Milling Robot for Processing the Internal Walls of Inaccessible Pipelines - A milling robot used to process the internal walls of inaccessible pipelines with a milling robot arm. The milling robot arm supports a milling head that is deflectable via remote control in the direction of the inner wall of the pipe. The milling robot arm stiffens and bends more or less depending on the controlled pressure feed; the eccentric, torsionally rigid, fixed-length core that can only be deflected in one plane provides a high level of torsional rigidity and the outer casing that is stiffened by the controlled internal pressure provides for a high level of stiffness in the longitudinal and bending directions. The milling robot arm can be swiveled all the way around in the inner pipe to be processed with the aid of a supply hose that is rigid in terms of shear or a pneumatically controllable slew ring. | 10-27-2011 |
20110259461 | DEVICE AND METHOD FOR REPAIRING PIPE - 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 liquid material capable of curing and hardening. The liner tube includes a gasket or band positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line. | 10-27-2011 |
20110265902 | SEALING HOSE - A sealing tube for the internal lining of fluid lines, in particular waste water lines, includes at least one tubular fabric ply, which is impregnated or saturated with a synthetic resin having a preferably gel-like or concentrated consistency. The weft bands or threads, which run in the circumferential direction, are formed by glass fibers or threads, in particular only by glass fibers or threads. The warp bands or threads, which run in the longitudinal direction of the sealing tube, are formed by, if necessary elastically stretchable, glass threads and/or rubber threads and/or plastics threads. | 11-03-2011 |
20110308656 | SYSTEM AND METHOD FOR CAPPING A HIGH PRESSURE LINE - An expandable cap system includes a guide line having a pump at one end and an expandable cap device at the other end. The guide line acts to supply a material capable of creating a plug at one end of the damaged pipe thereby preventing oil or other line contents from entering the pipe at the source. | 12-22-2011 |
20120055574 | TOOL AND A METHOD FOR RENOVATION OF A PIPE SYSTEM - The machining device is for machining the material of a pipe system that has a joint area between a pipe that has a smaller inner diameter and a pipe that has a larger inner diameter. The device has protruding parts that have been adapted to position the device inside the pipe that has the smaller diameter. A steerable actuator is adapted for removing material from the joint area and steering device for controlling the direction of the machining device in relation to the longitudinal axis of the pipe that has the smaller inner diameter while removing material from the joint area. The method is for machining material of the joint area that has a thinner and a thicker pipe. | 03-08-2012 |
20120055575 | METHOD FOR PIPELINE CONDITIONING - Method for dewatering, pressure testing, hydrotreating, suppressing methane hydrate formation and suppressing solution freezing point in pipeline operations have been disclosed, where the solution used in the operations includes an effective amount of a metal formate salt. The metal formate salt solutions have a low viscosity, have a high density, have a low metals corrosivity, are non-volatile, have a low solubility in hydrocarbons, are readily biodegradable, have a low toxicity, are non-hazardous, have a low environmental impact, have a freezing point depression property forming water/formate eutectic point mixtures, and have a water-structuring and water activity modification property. | 03-08-2012 |
20120067447 | DELIVERY METHOD AND COMPOSITIONS - A method of delivering a concentrated quantity of sealing elements to a leak site in a vessel ( | 03-22-2012 |
20120090719 | System and Method of Sealing Process Leaks - A system and method of sealing leaks in process piping and equipment without process shutdown by providing a clamp having a cavity surrounding a leaking structure, sealant equipment comprising an injection gun to inject a sealant into the clamp cavity, means for pressuring moldable sealant from the gun into the clamp cavity in a staged manner beginning at a point away from the leak site. The preferred sealant comprises a moldable nitrile rubber delayed curing (vulcanizing) formulation or composition molded into shapes for insertion into an injection gun. | 04-19-2012 |
20120145270 | PIPE CLAMP ASSEMBLY WITH TIGHTENING ELEMENT BUSHING - A pipe clamp assembly including a band having an inner annular seal element wrappable around a pipe, opposing clamp members that extend from the band and which are formed with mounting holes, at least one tightening element for clamping together the clamp members, the tightening element passing through the mounting holes, and a bushing placed in the mounting hole through which the at least one tightening element passes, the bushing having a hemi-spherical cap portion and each mounting hole being correspondingly shaped with a hemi-spherical concave shape to accommodate therein the cap portion. | 06-14-2012 |
20120204989 | HYDROPHILIC END SEAL - A kit, apparatus, and method for sealing a junction between a manhole and a pipe within a sewer system are provided. In a first embodiment, the end of a pipe adjacent a manhole is sealed by the use of a pipe liner and a tubular sleeve made of a hydrophilic material. In a second embodiment, a majority of the area surrounding a junction of a pipe and a manhole is sealed by the use of a tubular sleeve made of a hydrophilic material including a flange portion, a pipe liner, and a manhole liner. | 08-16-2012 |
20120211113 | PIPE SEALING - A sealing apparatus suitable for use as a subsea repair clamp includes a sealing membrane with first and second portions for engaging an outer surface of a pipe. Retaining members are located in opposing relationship to each other about the sealing membrane and are secured to each other by a closure member. The retaining members retain sealing engagement between the sealing membrane and the pipe. Each of the retaining members can include axially spaced plates arranged generally transversely to a longitudinal axis of the sealing membrane. | 08-23-2012 |
20120211114 | Apparatus and Method for Installing a Liner in a Pipe - The present invention relates to an apparatus for installing a liner in a pipe, which apparatus comprises a flexible tube assembly ( | 08-23-2012 |
20120255640 | METHOD AND APPARATUS FOR INSTALLATION AND REPAIR OF INSULATED LINE PIPES - The present invention relates to a method for the installation and repair of insulated piping, wherein the insulated piping comprises an outer pipe | 10-11-2012 |
20120255641 | METHOD AND APPARATUS FOR REINFORCING A PIPELINE - Systems and methods for reinforcing an existing pipeline. In some embodiments, the methods include positioning a pipeline wrapping apparatus on the existing pipeline, wherein the pipeline wrapping apparatus comprises a winding head, feeding a strip of material through the winding head, attaching an end of the strip of material to the existing pipeline, and helically wrapping the strip around the existing pipeline by rotating the winding head and axially translating the winding head relative to the existing pipeline. | 10-11-2012 |
20120279599 | Infrastructure Corrosion Analysis - The disclosure relates to systems, methods and apparatus for analyzing an infrastructure system including measurement of a parameter associated with the infrastructure system, electronically recording the measured parameter as a data, transferring the data to an infrastructure unit which may be remote from the infrastructure system, analyzing the data to generate a risk model, and predicting a characteristic of the infrastructure system according to the risk. An implementation plan may be generated, and/or maintenance services may be performed as per the characteristic that is predicted. | 11-08-2012 |
20120279600 | APPARATUS AND METHOD FOR SEALING PIPES - An apparatus and method for sealing pipes. In one embodiment, the end of a pipe is sealed by the use of a pipe liner and a sealing member. The sealing member may be a hydrophilic material, a hydrophobic material, a compressible material, or a paste, and may also be a unitary member or formed from a sheet of material. The sealing member is held in place by a mechanical fastener and a liner is installed adjacent the sealing member and against the wall of the pipe or other structure to be sealed. The mechanical fastener aids in holding the sealing member in place at the end of the pipe. | 11-08-2012 |
20120279601 | Pipe Repair Device - A repair device for repairing a leaking section in a pipe includes a sealing member of resilient material which fully surrounds the leaking section. The sealing member includes first and second annular sealing faces arranged for sealing engagement with the pipe about a full circumference thereof on opposite sides of the leaking section, and an envelope section fully spanning between the first and second annular sealing faces. The envelope section, the first annular sealing face, and the second annular sealing face are formed of resilient sealing material integrally joined with one another A rigid housing surrounds the sealing member and a clamp compresses the sealing member between the rigid housing and the leaking section of the pipe about the full circumference. | 11-08-2012 |
20120291903 | SYSTEMS AND METHODS FOR MAKING PIPE, AND METHOD OF INSTALLING THE PIPE IN A PIPELINE - A method for restoring a degraded pipeline, the method comprising: removing a degraded part of an inner flow pipe of a pipeline leaving a space between two spaced-apart sections of the inner flow pipe; positioning a new pipe in the space; connecting the new pipe to the two spaced-apart sections of the inner flow pipe thereby re-establishing a flow channel through the inner flow pipe; the new pipe having a core pipe with a first strengthening wrap thereon, a second strengthening wrap around the first strengthening wrap, and a protective outer wrap on the second strengthening wrap. | 11-22-2012 |
20120298241 | WINDING APPARATUS - The winding apparatus has a forming frame which goes inside an underground damaged pipe, and a rail which regulates the circumference track of a forming frame as the joint mechanism interlocks adjacent portions of a plastic strips. The forming frame has a plurality of guides that are connected extend along with a rail. Each guide contains a guide roller which can rotate freely about an end of the corresponding roller shaft. Each guide roller has an outside large diameter part and an inside small diameter part. The rail has a guide groove portion for the large diameter part of a guide roller at each edge of a course in a width direction. | 11-29-2012 |
20120325357 | PIPE CLAMP DEVICE - A pipe clamp device having first and second portions connected together at a hinge. At least one portion is adapted to move pivotally around the hinge relative to the other portion, the first and second portions being adapted to co-operate with one another to close around and at least partially encircle a pipe to be clamped. The pipe clamp device has securing members to secure the first and second portions in a clamped arrangement around the pipe. The pipe clamp device has a sealing mechanism configured to seal between one of the first and second portions and the pipe, wherein the sealing mechanism comprises first and second seal devices housed in respective recesses and defining a sealed chamber between the recessed first and second seal devices. A settable fluid is injected into the sealed chamber between the first and second seal devices. A method of suing the clamp device is also disclosed. | 12-27-2012 |
20130008548 | PIPELINE WELD REPAIRING METHOD AND APPARATUS - A method for repairing a defective circumferential weld joint between two pipe sections in a pipeline is described. A weld excavation machine is used to remove a weld defect. The machine comprises a weld excavating tool and a tool guiding apparatus. The machine may be modular in form allowing the machine to be dissembled into discrete portable parts. The method includes arranging the tool guiding apparatus in fixed relation to the pipeline, guiding the weld excavating tool around the pipe and along the weld joint by means of the tool guiding apparatus and using the weld excavating tool to remove material from the defective weld region. An excavation may thus be formed having parallel vertical walls. The excavation is then filled with weld material by means of a welding apparatus. | 01-10-2013 |
20130014847 | APPARATUS FOR TURNING A PIPELINE REPAIRING TUBE INSIDE OUT - An apparatus for turning a pipeline repairing tube inside out. A pulling apparatus | 01-17-2013 |
20130019982 | LINING MATERIAL FOR REHABILITATING HOST PIPE AND METHOD FOR REHABILITATING HOST PIPE USING SAME - A lining material for rehabilitating a host pipe, having low viscosity and very good impregnating property, in spite of low moisture content, and a method for rehabilitating a host pipe for repairing a pipeline, by providing lining at the inner face of a deteriorated host pipe (in particular, an underground pipe) using the same. A lining material for rehabilitating a host pipe, characterized by impregnating a curable furan resin composition containing a furan-based resin and a curing agent, to a resin absorbing base material in which one surface is liquid-tightly film coated. | 01-24-2013 |
20130074970 | Methods and Systems for Coating and Sealing Inside of Piping Systems - Methods and systems for cleaning, coating and sealing leaks in existing pipes, in a single operation. A piping system can be cleaned in one pass by dry particulates forced and pulled by air throughout the piping system by a generator and a vacuum. Pipes can be protected from water corrosion, erosion and electrolysis, extending the life of pipes such as copper, steel, lead, brass, cast iron piping and composite materials. Coatings can be applied to pipes having diameters up to approximately 6″. Leak sealants of at least approximately 4 mils thick can cover insides of pipes, and can include novel mixtures of fillers and epoxy materials, and viscosity levels. A positive pressure can be maintained within the pipes during applications. Piping systems can be returned to service within approximately 96 hours. | 03-28-2013 |
20130087236 | METHOD AND SYSTEM FOR REHABILITATING AN OLD PIPE - In a method for rehabilitating an old pipe, the outer diameter of a new pipe, which is at least equal to the inner diameter of the old pipe, is initially reduced, and the new pipe is then inserted into the old pipe, the outer diameter of the new pipe remaining at least partially reduced during the insertion process. The invention is characterized in that an expanding device is moved through the old pipe ahead of the new pipe. | 04-11-2013 |
20130112303 | DEVICE AND METHOD FOR REPAIRING PIPE - 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 liquid material capable of curing and hardening. The liner tube includes a gasket or band positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line. | 05-09-2013 |
20130126028 | MOBILE PIPE LINING APPARATUS - The present invention relates to a mobile pipe lining apparatus for installing strip lining material into a host pipe. The apparatus comprises a lining machine for receiving a feed of strip lining material and placing it in a host pipe to form a new pipe lining, a carriage attached to the lining machine such that the full weight of the lining machine is borne by the carriage, and adjusting means for adjusting a position of the lining machine relative to the carriage. | 05-23-2013 |
20130126029 | MULTI-LAYER FILM PERMEABLE TO UV RADIATION - A multilayer film that is impermeable to liquids and is to some extent permeable to UV radiation, optionally in the form of a tubular film, having a layer sequence of a layer (a) comprising at least one thermoplastic olefin homo- or copolymer, as one of the external layers, an adhesive-promoter layer (b), an internal layer (c) comprising at least one homo- and/or copolyamide, an adhesive-promoter layer (d), and a layer (e) comprising at least one homo- and/or copolyamide, as one of the external layers, wherein the VICAT softening point of the thermoplastic olefin homo- or copolymer of the layer (a) is at least 100° C., and the use of said multilayer film as internally situated tube of an insertion tube for the renovation of subterranean pipes, an insertion tube of this type, and a pipe-renovation system suitable for the renovation of subterranean pipes. | 05-23-2013 |
20130133770 | APPARATUS AND METHOD FOR REPAIRING DAMAGED PIPES - An induction heating device for heating the surface of a pipe or pipeline comprises an induction heating head ( | 05-30-2013 |
20130160886 | PIPE SYSTEM WITH ANNULUS UTILIZATION AND MONITORING - A system for monitoring leakage in a pipe system including a pipe, a flexible tube extending through an inside of the pipe, an end fitting assembly connecting each end of the tube to a corresponding end of the pipe which creates an annulus and a monitoring system for detecting leakage from the tube into the annulus. A method for creating multiple flow paths in an existing pipe is also provided. | 06-27-2013 |
20130186502 | Pipe Compression Clamp - Disclosed herein is a high compression pipe clamp which in one embodiment has a hollow rigid inner housing and a hollow rigid outer housing. The hollow rigid inner housing may have a first end, an outer diameter, and a first strap bracket. The hollow rigid outer housing may have a first end, and inner diameter and a second strap bracket wherein the inner diameter of the outer housing is larger than the outer diameter of the inner housing to fit thereover. A threaded rod is also disclosed, the threaded rod passing through the inner housing and outer housing and a threaded nut engaging the threads on the threaded rod. | 07-25-2013 |
20130199652 | DEVICE AND METHOD FOR REPAIRING PIPE - 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 liquid material capable of curing and hardening. The liner tube includes a gasket or band positioned about the juncture of the pipe lines. The gasket or bands form a tight seal between the liner tube and the pipe line. | 08-08-2013 |
20130233428 | SYSTEMS AND METHODS FOR LOCATING AND RESTORING SERVICE LINES IN PIPELINE REHABILITATION - Embodiments of the present invention include a system for locating and restoring service lines during pipeline restoration. According to some embodiments of the present invention, the system includes a movable chart, a plug with a marking magnet, and an attachment part. In some embodiments of the present invention, the movable cart is deployed along the inside of a pipeline. In some embodiments, the attachment part is movably coupled to the movable cart. The attachment part is configured to install a plug into the service line at a location where the service line intersects the pipeline, according to some embodiments. In other embodiments, the attachment part is configured to mark the location of the plug in the service line and remove the plug from the service line to restore a fluid connection between the service line and the pipeline. | 09-12-2013 |
20130291986 | Integral remanufacturing process of discarded oil pipe - An integral remanufacturing process of discarded oil pipe, including steps of: preprocessing, including picking out the discarded pipe with wall of 2.8 mm thickness or above, detaching the coupling, checking the Magnetic flux leakage, cutting the thread, eliminating oil and stain, straightening, blasting, and sorting according to different length; lining with ceramic, wherein in the centrifugal machine spinning with high speed, the melted iron liquid via selfpropagating reaction is filled into the ditches and corrosion pits of the inner wall to combine with the inner wall of the oil pipe, and is integrated with the transition iron layer under the ceramic layer, and machining thread including machining thread at the end of the pipe by using numerically controlled lathe and precision comb knife, applying thread compound, and attaching the coupling. | 11-07-2013 |
20130291987 | TUBULAR LINER FOR THE REHABILITATION OF DEFECTIVE SEWERS WITH AN INTEGRAL LONGITUDINAL PULL STRAP AND REINFORCING LAYER - A tubular liner for rehabilitating sewers has a reinforcing layer being expandable in the circumferential direction and formed of fiber rovings and impregnated with a curable reactive resin. The tubular liner has an outer tubular film which encloses the reinforcing layer and is formed of a material that can be expanded radially. A longitudinal pull strap is provided and absorbs the tensile forces acting on the tubular liner when the tubular liner is inserted into the sewer. The tubular film has a laminated nonwoven layer on the side facing the reinforcing layer. The longitudinal pull strap is located between the nonwoven layer and the reinforcing layer and is in immediate contact with the outer side of the reinforcing layer and the nonwoven layer. The longitudinal pull strap has a width of less than 50% of a length of the outer circumference of the reinforcing layer. | 11-07-2013 |
20130312860 | LINER ASSEMBLY FOR PIPELINE REPAIR AND METHODS OF INSTALLING SAME - A liner assembly for pipeline repair and methods of installing same. The liner assembly generally comprises an outer tubular liner, an inner malleable inflatable bladder positioned longitudinally within said liner, and a generally non-stretchable strap positioned longitudinally within the malleable inflatable bladder. The generally non-stretchable strap restricts longitudinal over-expansion during positioning and inflation of the liner assembly within a pipeline. | 11-28-2013 |
20140027000 | PIPE LINER HAVING A WIRELESS DATA TRANSMITTER WITH SENSING CAPABILITIES - The present invention provides a liner assembly for repairing the wall of a pipe that includes a transmitter or transmitters capable of transmitting information, such as identification information and physical characteristics of the area around the transmitter. Embedded in the liner is a transmitter, which includes a radio-frequency identification and at least one sensor. The RFID transmits identification information about the repaired wall, while the sensor provides physical characteristics of the environment in and around the pipe. Examples of physical characteristics may include temperature, pressure, flow, chemical reactions, velocity of the pipe, and the like. Additional transmitters may be used along the length of the pipe to determine characteristics at multiple locations, with each additional transmitter including the same or different sensors. | 01-30-2014 |
20140034175 | EXPANDABLE LINER FOR THE PROTECTION AND STRENGTHENING OF EXISTING PIPES - A method of lining an interior of a pipe in need of repair comprises providing a carrier tube having one or more expandable materials, coating the carrier tube with a binder, securing one or more layers of a fiber-laden material along an exterior surface of the carrier tube with the assistance of the binder. The carrier tube is delivered, together with the at least one layer of the fiber-laden material and the binder, to a targeted location inside a pipe in need of repair. The carrier tube comprises a first diameter while the carrier tube is being delivered to the targeted located inside the pipe in need of repair. The method additionally comprises radially expanding the carrier tube from the first diameter to a second diameter, such that the one or more layers of the fiber-laden material and the binder at least partially contact and/or adhere to an interior wall of the pipe. | 02-06-2014 |
20140048164 | Pipe Restraining Repair Method and Structure for Piping Structures Using Composites - Disclosed is a pipe reinforcement structure and method for repairing or reinforcing a pipe, pipeline or other tubular member containing one or more cracks or joints on its outer circumferential surface comprising the steps of: identifying a pipe repair zone along a longitudinal section of the outer surface of the tubular member where cracks or joints are located; installing one or more compression straps around the outer circumferential surface of the tubular member in the pipe repair zone, the one or more compression straps comprising outer edges and being secured in place with a buckle; optionally applying a high compression putty over the edges of the straps and buckles and in the cracks; applying a corrosion resistant coating over the installed compression straps and tubular member surface in the pipe repair zone; and applying a composite wrap material over the applied corrosion resistant coating in the pipe repair zone. | 02-20-2014 |
20140110006 | DEVICE FOR REHABILITATING PIPELINES - The invention relates to a device for rehabilitating pipelines, having a support structure ( | 04-24-2014 |
20140116556 | PIPE-IN-PIPE APPARATUS INCLUDING AN ENGINEERED PIPE - Disclosed is a pipe-in-pipe apparatus comprising an inner pipe disposed within an outer pipe wherein the inner pipe is an engineered pipe or umbilical. The outer pipe will shield the inner pipe. As a result, the design of the inner pipe only needs to address the functions required for the engineered pipe-in-pipe apparatus. The end fittings of the system are designed for enabling maximum operation and intervention flexibility. The engineered pipe-in-pipe apparatus will allow longer sections of the inner pipe to be used which will reduce the amount of field fabrication and streamline the installation process. The apparatus may be used for both new piping systems as well as the updating or retrofitting of an existing onshore or offshore piping system. | 05-01-2014 |
20140137972 | APPARATUS FOR THE REHABILITATION OF PIPELINES - The invention relates to an apparatus ( | 05-22-2014 |
20140158243 | MAIN / LATERAL CONNECTION LINER WITH RESIN PUTTY MAINLINE PORTION - An apparatus for repairing a junction between a main sewer pipe and a lateral sewer pipe comprises a tubular portion having opposite first and second ends. A collar extends outwardly from one of the first and second ends of the tubular portion. The tubular portion and the collar are formed of a curable, waterproof putty, such as an epoxy or silicate putty. | 06-12-2014 |
20140216587 | PIPELINE LEAK DETECTION AND REPAIR DEVICE - The pipeline leak detection and repair device is an autonomous machine that travels through a pipeline to detect very small leaks therein. The device also repairs those leaks with an on-board repair component. The repair occurs nearly simultaneously with the leak detection as the device passes the leak. The device includes a plurality of thin, flexible sensor leaves in a radial array. The leaves are positioned to place them nearly in contact with the inner surface of the pipe wall. Each leaf includes two sensors installed on its opposite surfaces. Flexure of the leaf due to changes in pressure gradient as the leaf passes a leak results in signals from the sensors being sent to an onboard processor. The processor determines the position of the affected leaf, and rotates a repair component to apply a pressure-sensitive tape patch over the leak as the repair component passes the leak. | 08-07-2014 |
20140246108 | PIPE REHABILITATION METHOD - Segments are linked in the circumferential and pipe length directions to install a rehabilitating pipe inside an existing pipe. Each of the segments comprises an inner surface plate, side plates provided upright on both sides extending in the circumferential direction of the inner surface plate, and inner plates provided upright between the side plates. A plurality of nuts is secured to the segments along the circumferential direction thereof. A linking member that can be screwed into the nut is prepared and inserted into a segment. The segment into which the linking member is inserted and the segment to which the nut is secured are aligned into contact with each other, and the linking member is screwed into the nut to fasten both the segments together and link them in the pipe length direction. A temporary lock is mounted on the segment to prevent the inserted linking member from falling out from the segment. | 09-04-2014 |
20140251480 | Pipeline Liner Monitoring System - A pipeline monitoring system and systems and methods of producing the same. A system for producing a liner for a pipe can comprise a source of material to form a body of the liner and a source of material to form a monitoring sensor in the liner. The system may further comprise a device that receives the material to form the body of the liner and the material to form the monitoring sensor in the liner and produces the body of the liner with the monitoring sensor embedded within the body of the liner. | 09-11-2014 |
20140261832 | METHOD AND APPARATUS FOR LINING A PIPE - The method for rehabilitating a damaged section of a pipe without a need for a resin absorbent liner is provided. The method includes pumping a low viscosity material towards a damaged section of pipe and changing the viscosity prior to dispensing of the material. For example, the material may be partially cured prior to dispensing. The partially cured or higher viscosity material is compressed between an inflating bladder and interior wall of the pipe, and the material that is allowed to fully cure. The bladder either can then be removed from the pipe or could be allowed to maintain in the pipe providing a new interior surface for the repaired pipe. | 09-18-2014 |
20140311605 | METHOD OF REPAIRING LEAKAGE IN PIPELINES - A method of repairing leakage in pipelines comprising the steps of forming a first and second openings ( | 10-23-2014 |
20140311606 | METHOD FOR FILLING A GAP IN THE COATING OF A PIPELINE COATED WITH A COATING, PREFERABLY A THERMO-INSULATING COATING - The present invention relates to a method for filling a gap ( | 10-23-2014 |
20140360610 | Device for Inserting a New Pipe into an Old Pipe by Means of a Self-Driven Impact Device - The invention relates to an apparatus for inserting a new pipe into an old pipe by means of a self-driven impact device, which simplifies the insertion of a new pipe into an old pipe, and wherein blocking elements of an apparatus according to the invention engage with the inside wall of an old pipe in order to prevent any movement of the self-driven impact device in a direction opposite the direction of advance, as well as a method for using the device. The apparatus according to the invention has blocking elements, which are disposed on at least one base body, but preferably four base bodies, which are in turn releasably mounted on the self-driven impact device. This method is characterized in that the base bodies together with the blocking elements and the self-driven impact device are salvaged by the new pipe. | 12-11-2014 |
20140360611 | PIPE LINER HAVING A WIRELESS DATA TRANSMITTER WITH SENSING CAPABILITIES - The present invention provides a liner assembly for repairing the wall of a pipe that includes a transmitter or transmitters capable of transmitting information, such as identification information and physical characteristics of the area around the transmitter. Embedded in the liner is a transmitter, which includes a radio-frequency identification and at least one sensor. The RFID transmits identification information about the repaired wall, while the sensor provides physical characteristics of the environment in and around the pipe. Examples of physical characteristics may include temperature, pressure, flow, chemical reactions, velocity of the pipe, and the like. Additional transmitters may be used along the length of the pipe to determine characteristics at multiple locations, with each additional transmitter including the same or different sensors. | 12-11-2014 |
20140366977 | METHOD FOR PULLING IN RESTORATION PIPE AND RESTORED PIPELINE - Provided is a restoration pipe pulling-in method which can easily determine whether pilling-in of a restoration pipe is possible wherein the restoration pipe has a diameter as much as large relative to a deteriorated drainage channel, and which can pulling a restoration pipe into a sewer pipe wherein the gap between the restoration pipe and the sewer pipe is shorter. The restoration pipe pulling-in method comprises preparing a dummy restoration pipe | 12-18-2014 |
20140373956 | Laminated Pipe Lining System - A laminated pipe lining system reduces or eliminates the risk of liner and seam failure due to stress and eases installation in small diameter pipes or pipes with multiple bends. The present invention generally includes a plurality of liners which are layered to line the inner surface of a conduit such as a utility pipeline. Each of the liners will generally include its own seam which is a product of the fabrication of the liners. The first liner is first inserted through the conduit and cured against the inner surface of the conduit. The second liner may then be inserted through the first liner and cured against its inner surface. The third liner may then be inserted through the second liner and cured against its inner surface. Each of the seams will be radially offset with respect to each other to protect the structural integrity of the lining system. | 12-25-2014 |
20140373957 | APPARATUS AND METHOD FOR REPAIRING THE JUNCTION OF A SEWER MAIN AND LATERAL PIPE - The present invention is directed to methods for repairing pipes or pipe junctions. The methods include providing a launcher device having a bladder and a liner impregnated with a material capable of curing and hardening. The bladder includes a first end, a closed second end, and an opening proximal the closed second end. A portion of the bladder is positioned within the launcher device, a rope or a line is connected to the liner, and the rope or line is threaded through the opening in the bladder. The rope or the line is pulled until the liner is at least partially within the bladder, and the rope or line is removed. The pipe is repaired by positioning the liner against the wall of a pipe, and allowing a material capable of curing and hardening to cure and harden. The methods allow for the rapid reuse of the bladder. | 12-25-2014 |
20150013815 | METHOD OF INSTALLING AND CURING A LINER IN A SEWER PIPE - A system for installing and curing a cured in place pipe liner includes a bladder with a terminal end and an originating end that is inflatable by an inflating medium and a return conduit within the bladder that extends from the terminal end to the originating end of the bladder. The return conduit includes an opening near the terminal end for passage of the inflating medium between the return conduit and an interior cavity of the bladder. A control valve is disposed on the return conduit and is configured to control flow of the bladder inflating medium through the return conduit. | 01-15-2015 |
20150020908 | PRESSURE INFUSION LINING SYSTEM - A method and system for applying a liner to an underground utility structure is provided. First a layer of epoxy is applied to the interior surface of the host pipe using a machine such as a spincast machine. A dry liner is inverted into the pipe directly behind the coating application at a limited speed and pressure. A drag is set on the inversion equipment relative to the speed of the epoxy spinner unit to control inversion speed. Once the liner is completely inverted the internal pressure of the liner is raised and infused into the uncured epoxy. | 01-22-2015 |
20150027577 | APPARATUS AND METHOD FOR SUPPORTING A REHABILITATION PIPE - A rehabilitation pipe is assembled inside an existing pipe using integrally formed plastic segments each comprising an inner surface plate, side and end plates. The segments are in part or all divided in the pipe-length direction to provide a variable-width segment comprising two segment halves that are moved relative to each other in the pipe-length direction to make the width of the segment in the pipe-length direction variable. A filler is injected into a space between the rehabilitation pipe and the existing pipe to provide a composite pipe. A falsework temporarily supports the rehabilitation pipe inside the existing pipe until the filler hardens. A shape-holing member is disposed circumferentially in part or all over the inner surface of the rehabilitation pipe so as to be in contact with the inner surface plate of the variable-width segment. A support member directly or indirectly supports the shape-holding member. | 01-29-2015 |
20150034198 | PIPELINE LEAK SEALING SYSTEM AND METHOD - A method for sealing a leak in a pipeline used to transport fluid includes positioning a sealing device within the pipeline, moving the sealing device through the pipeline to a leak location, and internally generating an inflation pressure to inflate the sealing device to substantially cover a leak opening and limit release of the fluid from the pipeline. | 02-05-2015 |
20150034199 | LINING HOSE FOR THE REHABILITATION OF FLUID-CARRYING LINE SYSTEMS - Pre-fabricated lining hose for the rehabilitation of fluid-carrying line systems comprising at least one fiber strip impregnated with a one-component epoxy resin which is curable by chain growth polymerization. | 02-05-2015 |
20150053295 | DEVICE AND METHOD FOR INSTALLING A COMPACT PIPE WITHIN A PIPELINE - A device for installing a compact pipe (CP) within a pipeline includes an adapter ( | 02-26-2015 |
20150068632 | LINING METHOD FOR CONDUIT AND LINING MATERIAL FOR CONDUIT - A lining material obtained by rolling a lining material sheet into a tubular form is installed in a conduit with both ends of the lining material sheet in its circumferential direction circumferentially overlapping each other. In this process, the lining material is installed so that, in a bending portion of a conduit, an overlapping portion where the both ends of the lining material sheet overlap each other faces toward an outer curvature side of the bending portion. Then, the diameter of the lining material installed in the conduit is expanded with the both ends of the lining material sheet circumferentially slid on each other. This facilitates inflation of a portion of the lining material which portion faces toward the outer curvature side in the bending portion, thereby decreasing a gap between the lining material and an inner surface of the bending portion. | 03-12-2015 |
20150107713 | LINER ASSEMBLY FOR PIPELINE REPAIR OR REINFORCEMENT AND METHOD OF INSTALLING THE SAME - A liner assembly for a pipeline section having at least one junction with a lateral pipe, the liner assembly comprises an outer tubular liner having an opening therein generally coinciding in position with each junction when the liner assembly is positioned with the pipeline section and an inner malleable inflatable bladder assembly positioned longitudinally within the tubular liner, said bladder assembly being inhibited from over-expanding during positioning and inflation of the liner assembly within the pipeline section. | 04-23-2015 |
20150308603 | FILL PIPE REPAIR COLLAR AND METHOD OF USE - A device and method of use for the repair of a leaking fuel tank fill pipe are provided. The device and method of use are designed to create a durable repair of a leaking tank fill pipe without the cost, time, and difficulty associated with replacing an entire diesel fuel tank on a semi-truck tractor. The device is a collar which threads onto damaged threads on a fill pipe neck and creates a leak-resistant seal with the fill pipe neck. A tank fill cap can then be screwed onto the collar, which forms a leak-resistant seal with the fill cap. The device may have one or more mechanisms to retain the collar on the tank fill pipe neck. The method of use may include re-cutting damaged threads on the fill pipe neck with the collar device. | 10-29-2015 |
20150323118 | EXPANDABLE LINER FOR THE PROTECTION AND STRENGTHENING OF EXISTING PIPES - A method of lining an interior of a pipe in need of repair comprises providing a carrier tube having one or more expandable materials, coating the carrier tube with a binder, securing one or more layers of a fiber-laden material along an exterior surface of the carrier tube with the assistance of the binder. The carrier tube is delivered, together with the at least one layer of the fiber-laden material and the binder, to a targeted location inside a pipe in need of repair. The carrier tube comprises a first diameter while the carrier tube is being delivered to the targeted located inside the pipe in need of repair. The method additionally comprises radially expanding the carrier tube from the first diameter to a second diameter, such that the one or more layers of the fiber-laden material and the binder at least partially contact and/or adhere to an interior wall of the pipe. | 11-12-2015 |
20150345686 | METHOD OF REPAIRING A MANHOLE AND PIPES - A method of repairing a manhole is provided. A mastic material capable of curing and hardening as applied to a lower portion of the manhole, including the barrel, bench, and into at least one pipe line extending from the manhole. A resin saturated liner may also be included into a portion of the pipe extending from the manhole. A manhole liner saturated with a resinous material is then positioned in the manhole, and the manhole liner, pipe liner, and mastic material are configured to cure at approximately the same time to form a homogenous, repaired interior of the manhole, including a portion extending into the pipe. The pipe or pipes can then be repaired in a manner such as inverting a liner or bladder into the pipe. In the addition of an end seal at the juncture between the pipe and manhole is also contemplated for further sealing the juncture. | 12-03-2015 |
20150362116 | NONDESTRUCTIVE REFURBISHMENT OF UNDERGROUND PIPES - A method for refurbishing an existing expandable host pipe. An expansion tool is adapted to generate isolated outward radial force when in expansion mode. The expansion tool is moved along a path inside the host pipe, stopping at stations on the way. At each station, responsive to isolated outward radial force from the expansion tool, the unobstructed interior diameter of the host pipe is increased via non-destructive plastic deformation of the interior wall. Once the entire host pipe is expanded in this fashion, a new rigid liner pipe is inserted inside the host pipe to operationally replace the host pipe. Grout is deployed in the annular space between liner pipe and host pipe. Expansion of the host pipe via non-destructive plastic deformation optimizes the refurbishment job and enables the original host pipe, as expanded, to contribute structurally to the refurbished pipe system. | 12-17-2015 |
20150369399 | HIGH STRENGTH LINER AND METHOD OF USE - A high strength liner can be applied to pipes in a very thin layer and yet provide the ability to withstand high operating pressures. The liner is useful for any pipe, but has particular application to small diameter pipe where there is less room to accommodate a reduction in diameter caused by pipe lining. Methods for lining are also disclosed. | 12-24-2015 |
20160017087 | Epoxide-Based Composition - An epoxide based composition that can be cured at a temperature of less than about 70 C is disclosed. The composition is a liquid at ambient conditions and, therefore, can be used to rehabilitate the interior surfaces of pipelines. The epoxide-based composition comprises at least one epoxide component (component A) and at least one curing agent component (component B) wherein
| 01-21-2016 |
20160040821 | PIPE-REINFORCING IMPLEMENT - A pipe-reinforcing implement with excellent workability during attachment to the piping is provided. The reinforcing implement | 02-11-2016 |
20160061374 | Method for the Rehabilitation of a Pipeline, Application Device and Read-out Device - A method for the rehabilitation of a pipeline with a lining element made of a resin-absorbing material, comprising the following steps: Impregnating the lining element with a hardenable resin; inserting the lining element into the pipeline and positioning the lining element at the pipeline section to be rehabilitated; pressing the lining element against the inner wall of the pipeline; hardening the lining element; and applying at least one information parameter to the lining element subsequent to its hardening. | 03-03-2016 |
20160109051 | TENSIONING OR PIPE CLAMP - The invention relates a tensioning or pipe clamp with a housing ( | 04-21-2016 |
20160116099 | HEATABLE PACKER - Packer for use when repairing underground pipe systems, where said packer comprises a flexible and/or expandable main body portion surrounding a hollow interior, said body portion having an elongated shape defining first and second ends in either end of the main body portion, and where heating means are arranged in the packer for heating the packer or at least the surface of the packer, and means are provided for pressurizing the interior of the packer thereby expanding the packer. | 04-28-2016 |
20160123514 | METHOD AND APPARATUS FOR INSTALLTION AND REPAIR OF PIPE SYSTEMS - A method for joining or repairing a pipe system that comprises a least two pipes made of weldable plastic material, comprising: fitting a sleeve made of weldable plastic material the distance between the two pipes, the sleeve having a length A that exceeds the distance B between the mutually opposing pipes, such as to overlap each pipe end to a given extent C; placing an electrically conductive band around one of the pipes, the band having two ends; connecting the band ends to each other by placing the band ends overlapping each other; fitting the sleeve over and against the pipe and the band, and applying an electric current to the band over a given period of time, thereby heating the band to a determined temperature for a determined time and fusing the band with the plastic surfaces of the pipe and the sleeve lying in abutment therewith to form a welding joint being fully executed around the pipe and inside the sleeve. | 05-05-2016 |
20160131278 | METHOD OF REHABILITATING EXISTING PIPE AND SUPPORT MEMBER FOR REHABILITATING PIPE - There is provided a plurality of support members ( | 05-12-2016 |
20160131297 | PIPELINE LEAK SEALING SYSTEM AND METHOD - A system for sealing a leak within a pipeline for transporting fluid includes a sealing device that is deployable to seal the leak. The sealing device includes a flexible wall formed into a substantially tubular shape defining an opening, and an internal frame coupled to the flexible wall and configured to control a movement of the flexible wall by applying a force to the flexible wall, wherein the movement of the flexible wall moves the sealing device through the pipeline. The system also includes a sensor assembly configured to monitor a pipeline condition and send a signal representing the pipeline condition, and a control module configured to receive the signal and control the force applied by the internal frame based on the signal. | 05-12-2016 |
20160169437 | LINING HOSE, RENOVATED PRESSURE PIPE AND METHOD FOR RENOVATING A PRESSURE PIPE | 06-16-2016 |
20160178107 | SEALANT HOSE AND METHOD OF USE | 06-23-2016 |
20160201840 | CONTAINMENT DEVICE FOR WORK CARRIED OUT ON A PIPE, AND ASSOCIATED METHOD | 07-14-2016 |