Abstract: ESP power cable is inserted into a length of tubing disposed in a wellbore. The device comprises a support attachable to the cable that is in frictional sliding contact with the tubing inner surface. The frictional sliding contact between the support and the tubing reduces axial stress in the cable. Support devices are added at intervals on the cable length, thereby distributing the cable axial stress along the cable.

Abstract: The present invention relates to a coaxial pipe element comprising an inner pipe and an outer pipe and having at each of its ends a closure of the annular space between these two pipes, in particular by means of a forging, and in which said inner pipe is subjected to traction stress.

Abstract: A method for securing a component to a tank includes forming the tank having a wall of multiple layers of polymer material with an opening in the wall, outer layers of polymer, and an inner layer of polymer having an inner surface whose color is dark relative to a natural color of the outer layers. The component is formed with a mounting surface of polymer. The tube wall opening is used to install the component in the tank such that the mounting surface contacts the inner surface. Energy is transmitted onto an area of a surface of the tank wall where the mounting surface contacts the inner surface. The transmitted energy is use to produce a weld between the mounting surface and the tank wall.

Abstract: An insulated and refrigerated beverage transport line provides enhanced temperature control of one or more beverages conveyed through the transport line. A plurality of coolant lines carrying a re-circulated coolant makes contact with the one or more product lines. One or more empty lines, referred to as packers, may be placed between the coolant lines and the product lines to provide a dimensionally stable and tight group of lines that are bundled together. An external insulation is provided over the bundle of lines to further enhance insulation for the beverage being transported through the product lines. At least one dedicated coolant return line may be placed remote from the other lines. The dedicated coolant return line carries the highest temperature coolant found in a beverage transport system. Independent and separate insulation of this dedicated coolant return line prevents inadvertent heat transfer to the one or more product lines.

Abstract: A pipe comprising an outer rigid conduit and an inner tubular structure, the inner tubular structure comprising a flexible hose, wherein the hose comprises a tubular body disposed between inner and outer gripping members, the tubular body including a sealing layer, and being formed of a material capable of withstanding cryogenic temperatures, wherein the inner tubular structure has insulation properties sufficient to protect the outer conduit from the low temperature of cryogenic fluid flowing within the inner tubular structure.

Abstract: An exhaust system for a vehicle features a pipe finisher including an inner sleeve. The inner sleeve has a reduced diameter portion spaced upstream from a downstream end of the inner sleeve. An exhaust pipe disposed in the inner sleeve, the exhaust pipe including a radially outward extending projection downstream of the reduced diameter portion of the inner sleeve.

Abstract: A motor vehicle exhaust pipe includes: an outer metal tube; at least one inner tube made from an inorganic matrix composite material and disposed inside the outer metal tube, each inner tube being arranged longitudinally and having a pre-determined longitudinal length and a gap being provided between each inner tube and the outer tube; and elements for maintaining each inner tube in position in relation to the outer tube. The elements for maintaining each inner tube in position in relation to the outer tube include at least one retaining element disposed in the gap between the inner tube and the outer tube, each retaining element exerting a minimum pressure of between 10?4 MPa and 10?1 MPa on the inner tube. All of the elements used to maintain one inner tube in position have a cumulative longitudinal length equal to less than half of the longitudinal length of the inner tube.

Abstract: A tube which includes: a tube body portion through which a fluid flows; a protector portion having an interior hollow space in which the tube body portion is provided, and an exterior wall defining the interior hollow space and having a flat outer surface; and a supporting portion supporting the tube body portion inside the hollow space in a position spaced from an inner surface of the hollow space. The supporting portion extends from the exterior wall of the protector portion in a direction substantially perpendicular to the flat outer surface of the exterior wall and across the hollow space to support the tube body portion at a middle portion thereof.

Abstract: A flexible conduit pipe for transporting fluids is specified, which consists of two corrugated metallic tubes, an inner tube (1) and an outer tube (2), which are arranged concentrically to one another and are separated from one another by an encircling annular space in which a spacing means is arranged. The spacing means consists of a plurality of rings (4,5) which bear with a basic body (6) against inner tube (1) and outer tube (2) and are arranged at an axial distance from one another in the annular space (3). The rings (4,5) have on their inner circumferential surface a rib (7) which extends in the circumferential direction, corresponds to the corrugation of the inner tube (1) and engages in a respective corrugation trough of the inner tube (1).

Abstract: A spade or stake for hardware free mounting to a telecommunications data distribution terminal pedestal is disclosed. The spade may include one or more connectors of various types for engaging the pedestal to thereby couple the spade to the pedestal without hardware, and thus without tools. The pedestal may also include one or more connectors for mating with corresponding connectors on the stake.

Abstract: The present application is directed to a fluid line assembly comprising a first fluid conveying conduit, a second fluid conveying conduit, and a slip joint. The slip joint includes a first fluid conveying conduit section, a second fluid conveying conduit section positioned radially outwardly from and at least partially surrounding the first conduit section, and an electrical bonding device positioned between and contacting the first and second fluid conveying conduit sections to form an electrical path therebetween. The electrical resistance between the first and second fluid conveying conduits is generally constant during relative movement therebetween.

Abstract: Cryogenic transfer hose for hydrocarbons including an inner hose, an outer hose arranged around the inner hose in a concentric manner and a spacer member bridging an annular gap between the inner and outer hoses, a fibrous insulation material forming a three dimensional matrix of fibres being included in the annular gap, characterised in that the outer hose includes an elastomeric and/or a plastic material, the fibrous material being contiguous overall best a part of the length of the hoses with the inner and outer hose and forming a spacer member.

Abstract: The invention relates to a double wall duct system (1) suitable for carrying fluids to at least other system comprising an internal duct (3) for conveying the fluid and an external duct (2) for conveying a potential leakage in the system (1), the double wall duct system (1) also comprising a clearance (8) between the ducts (2, 3) and at least one bend, the system (1) also comprising at least one bushing (4, 5) that connects the system (1) to at least other system, the bushing (4, 5) being slidable in the system (1) before being connected to the system (1) and to other systems, the inner duct (3) being connectable at its ends to other systems and the outer duct (2) being connectable to one end of the bushing (4, 5), the bushing (4, 5) providing a closed structural integrity of the system (1) therefore allowing a potential leakage in the double wall system (1) to be detected and evacuated in a controlled manner. The invention also relates to a method of manufacturing such a double wall duct system (1).

Abstract: A casing spacer includes a pair of generally semi-cylindrical metal shells disposed on opposed outer surface portions of a carrier pipe for securely maintaining the pipe in fixed, spaced relation from the inner surface of an outer casing. Opposed ends of the shells are connected together by nut and bolt combinations for securely attaching the casing spacer to the carrier pipe. Plural runners are directly attached in a spaced manner to the outer surfaces of the metal shells by respective nut and bolt combinations inserted through apertures in the casing spacer's metal shells for engaging the outing casing's inner surface in maintaining fixed spacing between the pipe and outer casing.

Abstract: Disclosed is an anti-buckling device (1) which is made of an elastic material and comprises several ribs (2) that extend in the longitudinal direction thereof, the space between two ribs (2) forming a groove (3). The anti-buckling device (1) is inserted into a thin-walled duct. The anti-buckling device (1) prevents the duct from buckling and thus from being occluded in a bend when said duct is bent. A fluid is able to circulate within the duct and bypass the bend in the grooves (3) of the anti-buckling device (1). The envelope of the cross section of the anti-buckling device is essentially lenticular as a duct having a round cross section also becomes lenticular in a bend.

Abstract: A conduit assembly and a method of manufacturing the same are disclosed and described. The conduit assembly has an outer wall, an inner wall, and a corrugated wall disposed between the outer and inner wall. A conduit section is formed by connecting a plurality of conduit assemblies to enclose a hollow space along the length of the conduit section. The conduit sections may be joined by an axial connector to form a conduit. In one exemplary application, the conduit comprises a fiberglass reinforced plastic material and is used as a stack or chimney liner.

Abstract: A method of providing an insulated pipe-in-pipe assembly includes providing an inner pipe; providing a thermal insulation layer of a highly porous solid formed from a gel, the highly porous solid having pores smaller than 100 nanometre, the thermal insulation layer being provided around the inner pipe for thermal insulation of the inner pipe; providing a protective layer on the outer surface of the thermal insulation layer for protecting the thermal insulation layer, and providing a thick walled outer pipe around the protective layer. A Pipe-in-pipe assembly and a pipe-in-pipe section made by the method are also provided.

Abstract: A heat exchanger according to certain embodiments includes an outer portion formed of at least one inflatable cell and an inner portion. The inflatable cell has inner and outer surfaces that are separated from each other and at least partially support the outer portion when inflated. The outer portion defines a first interior passage configured to convey fluid. The inner portion is positioned within the outer portion, the inner portion defining a second interior passage configured to convey fluid.

Abstract: A unitary conduit for transporting a fluid is described, the conduit comprising a body and a flow passage located within the body, the flow passage having an inlet end and an exit end, wherein the flow passage and the body have a unitary construction. In another embodiment, a unitary conduit has a flow passage wherein the cross sectional shape of the flow passage changes from a first cross sectional shape to a second cross sectional shape. In another embodiment, the exterior contour of the body generally conforms to the interior contour of the flow passage. In another embodiment, the flow passage branches to a plurality of sub-passages.

Abstract: Insulated electrical conductors for installation in a vehicle, such as an aircraft, are further protected by a guard hose or tubular conduit member. Two or more such guard hoses or tubular conduit members are interconnected with each other by at least one spacer preferably, but not necessarily, integrally formed with the guard hoses or tubular member, whereby the separation of different types of electrical conductors and their installation in an aircraft are facilitated.

Abstract: A compound pipe for conveying fluid comprising an inner pipe positioned within an outer pipe such that the walls of the inner pipe and outer pipe define a gap. The compound pipe further including an insulating material for insulating the inner pipe from the outer pipe, the insulating material and outer pipe defining a fluid channel.

Abstract: The invention provides an insulated pipe-in-pipe assembly comprising (a) at least one inner pipe, (b) an outer pipe disposed around the at least one inner pipe so as to create an annular space between the outer and inner pipes, (c) porous, resilient, compressible material disposed in the annular space, and (d) a remnant of a container that previously was positioned in the annular space and previously held the compressible material in a volume less than the volume of the compressible material in the annular space. The invention also provides a method for making such an insulated pipe-in-pipe assembly.

Abstract: Pipe stands support waste-conveying pipes in a trench in a septic system. The pipe stands are preferably flat bowtie-shaped sheets (preferably polymeric). Holes or notches are formed that align when the sheet is folded, thus providing stable support for a horizontal pipe when the panels' bottom edges rest on the ground. Modified versions include panels having: a fold-out foot for engaging soft soil, a fold-out dispersing flange for dispersing waste dropped from the pipe, a stake for driving into soft soil, punch-out rings or multiple holes for supporting different sized pipes, stabilizers between the panels that fixedly maintain their spacing, a feature for receiving a grounded wire stake, and/or bias from the living hinge of the fold line causing frictional gripping of the pipe. Many versions can be used in different orientations. Also, the present pipe stand can be used to support pipes and wires hanging from overhead rafters.

Abstract: A culvert bundle and fill assembly for stream crossings and flow-through bridge abutments comprising: (a) a first separator fabric; (b) a plurality of culverts placed on the fabric adjacent to one another along their lengths; (c) a plurality of triangular cross-section blocks placed in pairs in upper and lower spaces between adjacent culverts; (d) a plurality of fasteners placed around the plurality of culverts and blocks for holding the culverts and blocking in position; (e) a second separator fabric placed over the plurality of culverts and blocks; and (f) soil or other fill placed over the second separator fabric and the plurality of culverts and blocking to create a road or other crossing structure surface.

Abstract: A flexible cryogenic transfer hose for connecting two cryogenic facilities, has a length of at least 20 m, and: an inner flexible hose with at least two segments, interconnected via at least two transverse inner connecting members, an outer hose surrounding the inner hose and including a watertight elastomeric or composite material, the outer hose having at least two segments mutually connected via two outer connecting members, the outer hose having a wall thickness of at least 2 cm, a bend radius of at least 2 m, and an internal diameter of at least 20 cm, the inner hose being kept at a distance from the outer hose via spacer elements bridging a distance between the outer wall of the inner hose and an inner wall of the outer hose, which distance is between 0.1 and 0.8 times the internal diameter dio of the inner hose.

Abstract: An apparatus and method for emptying and filling a fluid container. A flow-actuated valve inside a fill tube regulates the flow through the fill tube. A cap containing the valve and a vent tube can be installed on a modified bottle used to supply water dispensers, thus enabling a user to continuously replenish the bottle from a remote supply. Alternatively, a cap containing the valve, a vent tube, and two fluid level sensors can be installed on a conventional bottle. A user is thus relieved of the burden of repetitive bottle changing, and is able to treat the water to his own specifications.

Abstract: A transfer pipe of dried concentrate for transferring dried concentrate, having a double pipe structure, comprising an inner pipe 2 through which the dried concentrate is transferred by compressed air, an outer pipe arranged around the outer periphery of the inner pipe 2, and a joint flange 5 forming an annular space 4 sealed between the inner pipe 2 and the outer pipe 3, arranged at both ends of the inner pipe 2 and the outer pipe 3, and integrally fixing the inner pipe 2 and the outer pipe 3; wherein the inner pipe 2 is positioned inside the outer pipe and is formed of a metal pipe 2a forming the annular space 4, a ceramic sleeve 2c forming an innermost layer of the metal pipe, and a filler 2b for fixing the ceramic sleeve 2c provided between the metal pipe 2a and the ceramic sleeve 2c.

Abstract: The invention concerns a pipeline 1, in particular a pipeline 1 for fuel systems in aircraft, including an inner pipe 6 and an outer pipe 4 surrounding the inner pipe. In accordance with the invention, the inner pipe 6 is made of a metal material and/or, at least in portions, of a synthetic material and, at least in curved portions 5 of the pipeline 1, the outer pipe 4 is made of a synthetic material. Due to the fact that the outer pipe 4 is made of a synthetic material, a significant weight reduction can be accomplished in comparison to conventional coaxial pipelines, which are made entirely of a metal material and which, due to manufacturing reasons, require a larger number of flange joints 2 and 3 in longer curved pipeline portions. The invention also concerns a method for manufacturing such a pipeline 1, in particular a pipeline 1 for fuel systems in aircraft.

Abstract: The double-walled pipe comprises a rigid internal tube 2 arranged in a rigid external tube 3, the tubes being separated by an annular space, centering elements holding the internal tube in position in relation to the external tube. External tube 3 withstands alone an external pressure at least above 50 bars. The mechanical resistance of the pipe to the external pressure is reinforced by placing centering elements 4 in contact with internal tube 2 and with external tube 3.

Abstract: The invention concerns an exhaust gas cooler employed with a tailpipe of a vehicle exhaust system and a method of cooling exhaust gasses before being emitted from the exhaust system into the atmosphere. The exhaust gas cooler may include a cooler housing having a substantially cylindrical shape with an open forward edge, an open rearward edge, and an internal diameter that is larger than the external diameter of the tailpipe, and a cooler support attached to and supporting the cooler housing such that the rearward edge of the tailpipe is located within the cooler housing between the forward and rearward edges of the cooler housing.

Abstract: In a complex pipe, a plurality of pipe members containing at least a pipe member for liquid and a pipe member for electricity are fixed in parallel arrangement. One end of the complex pipe is connected to a stationary equipment and the other end is connected to a movable member. The plurality of pipe members are integrally combined by a cover member having flexibility. A liquid supply pipe is inserted with a space in the pipe member for liquid. A fluid for temperature adjustment is supplied to the space between the pipe member for liquid and the liquid supply pipe.

Abstract: A spacer is constituted by overlapping on a first wedge-shaped member, whose upper surface is inclined at a prescribed angle, a second wedge-shaped member, whose lower surface is inclined at the same angle. This spacer is inserted in the gap between a inner wall surface of an existing pipe and the outer periphery of a rehabilitating pipe. Latching teeth are formed in the inclined surfaces of the first and second wedge-shaped members so that, when pressing the second wedge-shaped member to move it toward the first wedge-shaped member in the insertion direction, it cannot move in the direction the reverse of the insertion direction. Upon moving the second wedge-shaped member to the respective latch positions, the overall height of the spacer is successively increased in steps at a fine pitch, thus enabling the adjustment of the position of the rehabilitating pipe with respect to the existing pipe to be performed simply.

Abstract: The invention relates to an exhaust pipe assembly. There is a need for an exhaust pipe assembly which transmits less noise to the environment. The exhaust pipe assembly includes a hollow exhaust pipe, and a hollow shield which surrounds at least a portion of the pipe. The shield is supported from and separated from the pipe by a plurality of elastomeric support elements which are interposed between the pipe and the shield. Each support element includes a larger body positioned between the pipe and the shield, and a smaller stem which projects from the body and extends into a bore formed in the shield. Each support element is preferably formed by injecting an elastomeric material through a corresponding one of the bores to form the body in the space between the pipe and the shield.

Abstract: A fluid distribution apparatus is positioned within an interior passageway of an existing conduit. The conduit is part of a fluid collection system. The fluid distribution apparatus includes at least one stabilizing member and at least one receptacle. The at least one stabilizing member engages at least a portion of a sidewall of a portion of the conduit defining the interior passageway extending through the conduit. The at least one receptacle is supported by the stabilizing member. The at least one receptacle has at least one passageway extending therethrough. The at least one passageway sized and dimensioned to receive at least one pipe while permitting fluid to flow through the interior passageway of the existing conduit.

Abstract: In one example, a piping system 20 is built around a wire (elongated flexible member) 25. An inlet pipe 21 and an outlet pipe 22 are fixed to both sides of the wire 25 parallel to each other via a plurality of pipe holders 26. Further, insulator holders 27 are attached to the wire 25 and heat insulating sections 28 are attached to the insulator holders 27. A cylindrical gap 51 is formed between the inlet pipe 21 and the inner surface of each of the heat insulating section 28.

Abstract: The present invention provides a new method for designing a multi layered pipe highly resilient to longitudinal bending, wherein the layer pipe includes an inner pipe, an outer pipe, and a separating layer. According to one embodiment the method includes the following of: determining the preferred ratio between inner and outer pipe radiuses, evaluating the external pressure developed by the surrounding soil in accordance with simplified linear model, calculating preferred stiffness and elastic for the separating material according to evaluated external pressure soil properties and determining the preferred composition of separating material according to calculated radiuses and calculated stiffness and elastic.

Abstract: A semiconductor apparatus with a modified pipe support. The apparatus comprises an outer pipe, an inner pipe, and a pipe support. The support comprises a seat and a support ring. The seat comprises a tubular portion for supporting an outer pipe at a top end. The support ring is detachably disposed within the tubular portion and comprises am annular surface and an inner bore surface, wherein the annular surface is inclined to the inner bore surface by an acute angle.

Abstract: A spacing and centering device for a rigid double-wall duct, for example of the winding type, which is intended for the transport of hydrocarbons. The rigid duct comprises two coaxial tubes which are separated by an annular space. The spacing and centering device is housed in the annular space in order to maintain a distance between the two coaxial tubes. An element made from a material having low heat conductivity and comprising an aerogel element is at least partially covered with a casing of polymer-type plastic material.

Abstract: A hose assembly comprising a flexible hose and at least one co-extending flexible member. The hose and the member are secured together for tandem movement by means of at least one intermediate resilient mounting means. In operation tension and/or compression induced in the hose assembly by relative motion of the hose and co-extending flexible member is reduced by the compression and/or expansion of the at least one resilient mounting means.

Abstract: A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward from the outer tube, defining a cavity therebetween. Fingers are intercalated between the inner and outer tubes and seated within the cavity. The fingers extend outward from the inner tube and are positioned along the entire length of the tubes, defining isolated air chambers which act as a thermal blanket, preventing cold air from passing into and hot air from exiting the inner tube. A coupling is provided with a bore and is in fluid communication with the inner tube and conjoinable therewith. The coupling has an outer surface provided with barbs such that the coupling can be connected to the inner tube.

Abstract: The invention concerns a double-sheath rigid pipe for transporting hydrocarbons consisting of two respectively inner (2) and outer (3) coaxial tubes separated by an annular gap (5), said pipe being adapted to be wound and comprising a device limiting the propagation of a deformation occurring on the outer tube, wherein a radial stop device (10) linked to the inner tube (2) but not linked to the outer tube (3) allows a localized collapse of value G of the outer tube, G being selected to stop the propagation of a deformation of the outer tube (3).

Abstract: An integrated casing spacer and joint restraint unit is attached to each of a pair of pipe sections adjacent to an end-to-end connection of the pipe sections by means of first and second spacer/retainer ring members. Disposed on the outer periphery of each ring member in a spaced manner are plural risers each having a respective runner disposed on its outer end for engaging an inner surface of an outer casing and maintaining fixed spacing between the inner pipe sections and the outer casing. Plural paired risers, with one riser disposed on each ring member, are aligned with one another along the axis of the connected pipe sections and are each adapted for secure connection to a respective connecting rod for securely coupling the two ring members together and restraining relative movement between the two pipe sections.

Abstract: An assembly and method for stiffening a flexible member according to which a stiffening member and an adapter surround the flexible member and an insert extends in an annulus between the adapter and the flexible member.

Abstract: A helical formation (2) for a conduit (1). The helical formation (2) comprises an elongate member defining at least a portion of a helix, the elongate member comprising two inwardly extending portions (6, 7). The inwardly extending portions (6, 7) are spaced from each other and extend along the length of the elongate member in side-by-side relationship.

Abstract: Methods for forming double containment pipeline sections are provided where granular material is used to define the annuluses of such pipeline sections.

Abstract: A synthetic resin pipe insert for insertion in an existing pipe or for use in the manufacture of new pipe to form a multi-channel pipe. The insert has a curved cross sectional configuration which defines a segment of a circle with a convexly curved radially outer wall and a concavely curved radially inner wall and a plurality of radial walls extending between the curved, radially inner and outer walls to form at least two linear channels. A curved inner pipe member may optionally be fitted against the concavely curved radially inner wall. The pipe insert of the invention facilitates multiple utility connections, such as cable TV and sewer, in a single pipe assembly.

Abstract: The present invention concerns a device for heat-insulating at least one sub-marine pipe. The sub-marine pipe includes a heat insulation covering including a material subject to migration, the covering surrounding the pipe and being covered by a sealed protective envelope having a tubular shape and a longitudinal axis of symmetry. The envelope being constituted by a flexible or semi-rigid material able to remain in contact with the external surface of the insulation covering when the latter warps. The device includes at least two sealed transversal partitions, each being constituted by a closed rigid piece traversed by and integral with the pipe and with the envelope.

Abstract: An assembly and method for stiffening a flexible member according to which a stiffening member and an adapter surround the flexible member and an insert extends in an annulus between the adapter and the flexible member.

Abstract: A high temperature pre-insulated piping system is shown which has a special water stop located along the length of the piping. The water stop has an internal disk which forms a pair of isolated chambers within the water stop. The internal disk is formed of a material which is impervious to the flow of water. As a result, the two internal chambers are isolated from one another and act as isolating elements to contain any breach in the exterior of the piping system to a specific location in the length of the pipe string.

Abstract: An insulated pipe structure suitable for use in an undersea pipeline comprises, intermediate its ends, an inner pipe (11) for serving as a conduit for fluid flowing through the pipe structure, thermally insulating material (3) extending around the inner pipe and an outer shell (2) extending around the insulating material (3). At each of the ends of the pipe structure the inner pipe is connected to the outer shell by a thermally insulating connecting element (4) which is secured to the inner pipe (11) at least partly by virtue of adhesive forces between the inner pipe (11) and the connecting element (4). The thermally insulating connecting element (4) and the outer shell (2) together protect the insulating material (3) from water ingress and from ambient pressure.