Abstract: A tube liner for repairing a damaged or worn out auger tube or pneumatic conveyor tube. The tube liner includes an elongated liner body with a longitudinally extending gap and expandable seam assembly positioned in the gap. Once the liner is inserted into the auger tube or pneumatic conveyor tube, the expandable seam forces the liner against the inside wall of the auger tube or pneumatic conveyor tube to provide a tight seal.

Abstract: 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 said patch to said damaged area; deactivating said shape memory polymer so that said composite patch retains the molded shape; and bonding said composite patch to said damaged part.

Abstract: An assembly and a method for reinforcing or repairing one or more segments of an existing pipeline, without taking the pipeline out of service and without the need for disassembling the existing pipeline segments that are to be repaired. The assembly incorporates a metallic reinforcement pipe, a front seal ring, a rear seal ring, a front seal ring retention assembly, a rear seal ring retention assembly, and a self-hardening medium receiver. The reinforcement pipe and the seal rings create an annular space between the respective ends of the reinforcement pipe and the external surface of the existing pipeline. The seal rings, seal ring retention assemblies, and the flexible reinforcement pipe, accommodate out-of-round and joint angular displacement conditions of the existing pipeline. A self-hardening medium is injected into the annular space and pressure is maintained on the medium until the medium has set.

Abstract: 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.

Abstract: 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.

Abstract: The invention relates to a device for rehabilitating pipelines, having a support structure (10) to which functional units of the device can be fastened, wherein the support structure (10) has at least two support structure elements (12, 16, 19) which reconnected to one another via at least one buckling mechanism (20). By means of the buckling mechanism (20), at least one support structure element (12, 16, 19) can be placed into a buckled position. Furthermore, an actuating device (30) is provided which is designed such that the buckling mechanism (20) can be placed into a buckling enable position and a buckling blocking position by means of the actuating device (30).

Abstract: A segment for a rehabilitation pipe comprises an inner surface plate constituting an inner circumferential surface, and side plates and end plates provided upright on a peripheral edge of the inner surface plate. The plates are formed integrally from a plastic material and the segments are linked in a circumferential direction and in a pipe-length direction to install a segmental rehabilitation pipe inside an existing pipe. The end plates are provided with an insertion hole through which a linking member is inserted when the segments are linked in the circumferential direction, and provided separately from the insertion hole with an opening for passing therethrough a filler material injected into a space between the existing pipe and the rehabilitation pipe. The side plates are provided at upper edges thereof with notches for passing therethrough a filler material injected into the space between the existing pipe and the rehabilitation pipe.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A support clamp assembly for mechanically securing a thermal sleeve to an elbow conduit in a jet pump of a nuclear reactor vessel, the support clamp assembly including: a tension shaft having a first end extendable through an opening in a sidewall of the elbow conduit and an opposite end with a head; a cruciform assembly having a base with an opening to receive the tension shaft and to abut the head of the shaft, wherein the cruciform assembly seats in the thermal sleeve; a boss slidable over the first end of the tension shaft and having a curved surface seating an outside surface of the elbow conduit, and a coupling device engaging the first end of the tension shaft and abutting the boss, wherein the coupling device places the tension shaft under tension to secure the cruciform assembly to the thermal sleeve and the boss to the elbow conduit.

Abstract: A furnace repair device and method therefore is accomplished by including pipe of suitable length and strength to have at least one swedged end permitting assembly in female to male relationship, which permits a proper securing of the replacement pipe in a desired position in the heat exchanger.

Abstract: 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.

Abstract: 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. The tubular sleeve is held in place by a mechanical fastener and a pipe liner is installed or otherwise placed through the tubular sleeve and against the wall of the pipe. 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 mechanical fastener, a pipe liner, and a manhole liner.

Abstract: A system for curing a pipeline liner that includes a resin curable by exposure to radiation includes first and second liner curing apparatuses, each of which includes a housing defining opposite first and second ends, and outer and inner walls defining a passage between the first and second ends; a plurality of LED's on the outer wall and operable to irradiate the radiation; and a plurality of heat dissipating elements on the inner wall. The LED's are connected in thermally-conductive relationship to the heat dissipating elements, whereby heat is dissipated from the heat dissipating elements to cool the LED's when a stream of cooling fluid passes through the passage. In use, the apparatuses, joined end-to-end, are moved within the liner while irradiating radiation from the LED's onto the liner, and the velocity of the apparatuses moving through the liner is adjusted to cause a complete curing of the resin.

Abstract: 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.

Abstract: An apparatus and method for sealing pipes or underground structures is provided. 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. 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. In another embodiment, a manhole is sealed by the use of a sealing member, a mechanical fastener, and a manhole liner.

Abstract: 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.

Abstract: 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.

Abstract: A lateral pipe lining material having a flange on one end thereof is installed on a head collar which is hermetically mounted on a pressure bag that stores the lateral pipe lining material. The head collar comprises a curved section and a cylindrical section projecting from the curved section. An expandable member is mounted to the outer circumferential surface of the cylindrical section of the head collar, and expanded so that the outer circumferential surface of the expanding member comes into close contact with the inner circumferential surface near the flange, and the inner circumferential surface thereof comes into close contact with the outer circumferential surface of the cylindrical section of the head collar. This allows a hermetical connection between the lateral pipe lining material and the head collar and ensures a reliable eversion and insertion of the lining material into a lateral pipe.

Abstract: A method for repairing a conduit using a tube-shaped liner comprising a single layer of resin-absorbent fabric having a polymeric coating attached to an outer wall of the tube and a reinforcing layer connected to an inner surface of the tube. The liner is impregnated with a resinous material capable of curing and hardening and inverted under pressure into the conduit to be repaired such that the reinforcing layer is pressed against the interior of the conduit. The resinous material is allowed to cure and harden, creating a lining to the conduit. The single layer of fabric may be a non-woven material, such as a felt. The conduit to be lined may be a sewer pipe, and the reinforcing material may be a woven scrim. The woven scrim may be capable of preventing longitudinal stretch of the liner tube while allowing radial stretch.

Abstract: Magnetic means for managing and stopping leaks in metal pipes such as we bores and pipe risers is provided. A magnetic leak arrestor comprises a spool with magnetic collar disposed thereabout. The spool has a tapered end for inserting into a pipe riser. The magnetic collar creates a seal with the pipe riser, which may the be welded in place, if desired. Additionally, a magnet may be positioned proximate a leak in a side wall of a pipe riser to seal the leak. The magnet may be shaped to conform to the shape of the pipe riser, and a seal gasket provided around an edge portion of the magnet. A slurry of magnetically active material may be provide inside the pipe to seal the leak in the side wall or to provide a blockage in the pipe riser so that killing fluids may be pumped into the well bore, if desired.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to a method for repairing a damaged sewage pipeline. In the method, leakage on the upper and lower portions of the sewage pipeline, a manhole and a household branch pipe within a repairing section is checked. Then, partial trenchless repairing for the damaged portion of the pipeline is performed and a primary repairing liquid is filled into the pipeline at high pressure. Next, the primary repairing liquid remaining in the pipeline is sucked and a secondary repairing liquid is injected into the interior of the pipeline. Then, the secondary repairing liquid remaining in the pipeline is sucked. Subsequently, intermediate cleaning is performed and the repairing liquids accumulated on the bottom portion of the pipeline is removed.

Abstract: Devices, apparatus, systems and methods for forming rolled up spiral shaped tubular inserts of interlocking seams of elongated strip material and for inserting the inserts into damaged channels such as culverts, sewer lines, pipes, and the like. The inserts are released to expand outward and unravel until the walls of the unraveling insert abut against interior walls of the damaged channel forming a protective interior wall for the damaged channel. One side of the insert strips can have a hook, and an opposite side of the strips can have a longitudinal groove wherein the hook attaches to and slides within the groove. Slidable surfaces such as bushings, Teflon coatings and O-rings can be used along the interlocking seams to allow for reduced friction as the strip materials are rolled into contracted positions and later expanded out.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method of directional drilling includes forming first and second pits on corresponding first and second sides of a barrier, forming a pilot bore from the first pit to the second pit, enlarging the pilot bore to a final bore, and extending a cable through the final bore between the first and second pits by attaching the cable to a remote controlled vehicle and driving the remote controlled vehicle through the final bore from one of the pits to the other pit. The method also includes pulling a pipeline through the final bore using the cable.

Abstract: 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.

Abstract: A pressure-relieving safety assembly, comprising a sleeve and collar, protects against human injury and loss of life by blocking flow of fluid from a ruptured high pressure conduit and provides pressure relief for escaping fluid. This pressure-relieving assembly includes a sleeve that encircles the high-pressure line and is secured to, at one or both ends of the line, a coupling. The sleeve is secured to the coupling(s) by a collar having raised portions that provides a path for fluid that has escaped from the conduit at a burst or pin-hole failure location, to flow towards the ends of the conduit, indicating to the user that a conduit failure has occurred. The sleeve lowers the fluid velocity while the path provided by the collar prevents the fluid pressure from building up behind the sleeve.

Abstract: A wafer-shaped hollow fiber module adapted for in-line use in a piping system. The piping system may include two standard bolted flange connections, and at least one wafer-shaped hollow fiber module sealed between the two standard bolted flange connections. The wafer shaped hollow fiber module includes: a cylindrical housing having an open end and a closed end having a first sealing surface and an inlet port; at least one side port through the cylindrical housing; an end cap united to the open end having a second sealing surface and an outlet port.

Abstract: A new apparatus for repairing a damaged portion of a pipe includes a liner having a tubular sleeve of resin absorbent material that includes a plastic film laminated to an exterior surface of the sleeve. The plastic film contains resinous material in the liner, and is modified to breech the integrity of the plastic film and expose the resinous material to a junction of a main and lateral pipe. A method of lining a junction of a main and lateral pipe using the liner is also provided.

Abstract: 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.

Abstract: A protective seal, a protective seal kit, and a method for sealing a joint region between pipes are provided. The protective seal includes a first wrap, comprising a corrosion-resistant material, wrapped around a seal region, contacting the outer surface of the pipeline assembly. A second wrap, comprising a self-adhering fiberglass composite, wraps around the first wrap. The kit includes a flexible wrap fabricated, in part, from a corrosion-resistant material, and a second flexible wrap fabricated, in part, from a fiberglass cloth impregnated with a resinous pliable-plastic material. The method includes wrapping a corrosion-resistant, inner wrap around first and second pipes such that this wrap surrounds the joint region and adheres to the pipes. A fiberglass-composite outer wrap is wrapped around the inner wrap and the first and second pipes such that the outer wrap surrounds the inner wrap and adheres to the pipes. The outer wrap is cured.

Abstract: A disconnect transfer conduit comprising flexible tubing; a deformable sleeve surrounding a portion of the flexible tubing; wherein the sleeve is attached to the flexible tubing and is formed of a material having plasticity such that pressure applied to the sleeve causes the sleeve to deform about and seal the flexible tubing and upon continued application of pressure to the sleeve, the sleeve and flexible tubing are cut and the sleeve retains a deformed shape substantially sealing the tubing. Also provided is a method of sealing flexible tubing comprising applying pressure to a sleeve attached to flexible tubing to deform the sleeve and seal the tubing; wherein, applying further pressure to the sleeve to cut the sleeve and tubing, thereby leaving the tubing substantially sealed where cut.

Abstract: 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.

Abstract: A steam generator heating tube repair sleeve has an encircling flange, conical region, and a straight region. The encircling flange merges into a conical region that tapers on the outside in the direction of the other sleeve end and which is adjoined to the straight region. A steam generator heating tube repair method is used to repair a steam generator heating tube that is installed in a steam generator having a defective tube end. The method includes conical milling out of the defective tube end, inserting a steam generator heating tube repair sleeve into the conically milled-out defective tube end, rolling in the steam generator heating tube repair sleeve, and welding the flange region.

Abstract: An apparatus and method is provided for lining the wall of a manhole. The apparatus may include a liner assembly, which includes an expansion device, an auxiliary bladder, a primary bladder, and a liner. The auxiliary bladder is first inflated near the top of the manhole. Next the primary bladder may be expanded to press the liner against the wall of the manhole. The liner, being impregnated with a resinous material, is pressed against the wall until the resinous material cures and hardens. The expansion device, auxiliary bladder, and primary bladder are then removed from the manhole. The result is a repaired manhole wall.

Abstract: A device and method for rehabilitating pipe connections is disclosed that simplifies the reliable transportation and positioning of a pipe lining relative to a junction region of a building service line to be lined. The device and method provides for rehabilitating the junction of a building connection from a main pipeline into the building service line. With a positioning device, a curable pipe lining may be positioned at the junction of the building service line and the main line and, with a transport device, the positioning device and the pipe lining may be transported to the junction. A detecting device may detect an extended position of the positioning device. The detecting device may include a winding box with a switch that is actuated when a cord has been pulled out of the winding box and which triggers a signaling device.

Abstract: 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.

Abstract: 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.

Abstract: A pipeline apparatus has a body configured to fit inside a pipeline. A flow channel is formed within the body and includes an inlet, an outlet, and a bypass channel connecting the inlet and the outlet, the inlet being configured to receive a portion of a fluid flowing through the pipeline, and the outlet being configured such that the fluid flowing through the bypass channel flows out of the bypass channel through the outlet. A flow control valve is attached to the body and has a sleeve configured to move to vary a flow rate of the fluid flowing out of the outlet. A motor is provided in a chamber in the body and is configured to move the sleeve.

Abstract: A method for establishing or restoring electrical continuity between metal pipe sections in pipeline rehabilitation according to embodiments of the present invention includes, from an inside of a pipe having first and second pipe sections, removing a layer of the first pipe section at a first location, removing a layer of the second pipe section at a second location, electrically connecting a spanner at the first location and the second location, deploying a tubular liner along the inside of the pipe, injecting grout between the tubular liner and the inside of the pipe, and distributing the grout between the tubular liner and the inside of the pipe, wherein a first radial distance from the inside of the pipe to the innermost extent of the spanner is less than or equal to a second radial distance from the inside of the pipe to the tubular liner.

Abstract: The pipe access device is comprised of a curved plate adapted to engage an underground pipe along an arc of the outer surface of the pipe, and a boss extending upwardly from the curved plate about an aperture in the curved plate. The curved plate extends along an arc of the outer surface of the curved plate that corresponds to a central angle of the pipe less than or equal to 180°. The curved plate includes a concave surface with a radius of curvature less than a radius of curvature of the outer surface of the pipe so as to bias the curved plate against the outer surface of the pipe when the curved plate is flexed to engage the pipe. The pipe access device is for use in providing access to the buried pipe that requires minimal excavation and disruption of the soil.

Abstract: An induction heating device for heating the surface of a pipe or pipeline comprises an induction heating head (100) having a main body (110) and a handle portion (130) extending therefrom. The main body is configured to be removably secured to the surface of the pipe or pipeline and includes a first magnet (121) disposed in a first end (111) and a second magnet (122) disposed in a second end (112). The main body further includes an induction heating portion (150) disposed in a central portion (113) of the main body between the first and second magnets (121, 122). The handle portion includes a grip area extended from the main body.

Abstract: A pipe installation support apparatus includes: a display control device for displaying images of pipes already installed and a pipe to be attached on a display device; an input device for inputting a movement instruction to move or rotate at least one of the image of the pipes; and a moving device for translating or rotating at least one of three-dimensional data of the pipes already installed and the three-dimensional data of the pipe to be attached based on the movement instruction when the movement instruction is input from the input device, wherein when the moving device translates or rotates the three-dimensional data, the display control device moves the images of the pipes already installed and the pipe to be attached displayed on the display device.