Abstract: A method of connection of piping members made from a polyphenylene ether-based resin composition characterized in that the piping members made from a polyphenylene ether-based resin composition are comprised of a polyphenylene ether-based resin composition which has a polyphenylene ether-based resin in “a” parts by mass and a polystyrene-based resin in “b” parts by mass as essential ingredients, has the “a” and “b” satisfying the relationships of a+b=100 and a:b=(10 to 90):(90 to 10), and has a melt flow rate after kneading of 1.0 to 10.0 g/10 min, comprising heating and melting an outer circumferences of the pipe part and an inner circumferences of the mouth part of the piping members made from a polyphenylene ether-based resin composition parts by mass/100 parts by mass)}]±10° C. then inserting the pipe part into the mouth part to melt bond them.

Abstract: A long-length hose spliced from two or more hoses containing an inner sealing layer, at least two spirally laid reinforcing plies, and a cover. A liner forming the inner sealing layer is formed by leak-tight splicing of liners of hoses to be spliced and the reinforcing plies are embedded into filling/adhesive material inside of a rigid outer sleeve, at the location of the splicing.

Abstract: A delivery pipe (1) for the transport of solids is described. The delivery pipe (1) has a double-layer pipe body (2) which has a coupling collar (7, 8) on the inlet-side pipe end (5) and on the outlet-side pipe end (6). A first wear ring (9) and a second wear ring (10) are provided in succession in the longitudinal direction of the pipe body (2) in the region of the inlet-side coupling collar (7). The second inner wear ring (10) has a length (L) which is sized greater than or equal to half the internal diameter (ID) of the pipe body (2). As a result, wear phenomena can be reduced in the inlet-side region of the delivery pipe (1) and the service life of the delivery pipe (1) can be increased considerably.

Abstract: A duct system component includes a hollow body, a generally tubular duct connection element that projects from the body and has an outer end. A band of integral continuous or intermittent outstanding formations extend about the tubular duct connection element at a position spaced from the outer end thereof, and from the body. The component further includes a strap apparatus retained or adapted to be retained in a closed transport condition on the connection element between the body and the band so that it cannot slip over the band. The strap apparatus is selectively adjustable from the transport condition to a loose fitting but closed condition for fitment over a duct into which the connection element is receivable, and then to a tight in-use condition in which the strap apparatus clamps the duct behind the band to retain the duct on the component.

Abstract: A condensate draining pipe is provided for a heating system, a ventilating system, and/or an air conditioning (HVAC) system that includes, but is not limited to a condensate feed portion and a condensate drain portion. The condensate feed portion and the condensate drain portion are connectable to one another by a press-fit coupling assembly comprising an O-ring seal.

Abstract: An exhaust gas system includes a first exhaust component and a second exhaust component that are spaced apart from each other by a solder gap that can be has great as 1.20 mm. A high temperature solder material is provided near the solder gap and is heated by an inductor to form an induction solder joint between the first and second exhaust components.

Abstract: A cable protector may include a base member, at least one channel extending between opposing ends of the base member and structured to house at least one cable, and at least one indicia member positioned on the cable protector so as to be visible. The indicia member includes a photoluminescent portion. The cable protector may also include at least one side ramp removably attached to the base member, wherein at least one photoluminescent indicia member is positioned on the at least one side ramp. The photoluminescent portion of the indicia member may define a symbol, text, or strip.

Abstract: Disclosed are a device and method for the simultaneous fusion of multiple plastic pipe sections. A plurality of pipe sections may be rigidly held, faced off, heated, and joined at the same time using a single piece of equipment. The inventive process allows increased throughput of the fusion process without significant additional costs.

Abstract: In ventilation and air-conditioning technology, so-called spiral pipes have to be joined together in a tightly sealed manner at widely differing angles, which is generally carried out by segment bends and pipe sections. An improved, durable seal of folded-seam connections is achieved by a flange-like double fold which is arranged at a first pipe end and which is surrounded on the outside at least in part with positive locking and with a continuous metal seal, by a second double fold at the second pipe end.

Abstract: A flow control valve (100;200;300) for a ventilation or exhaust duct comprises a housing (102;202;302), which defines a longitudinally extending passage (104;204;304) between a flow inlet and a flow outlet. A closing element (110;210;310) in the passage is movable between a fully open position and a fully closed position. A motor or actuator (116;216;316) is provided for moving the closing element. The motor or actuator may be located inside the closing element (110;210;310). The flow passage (104;204;304) through the housing may have sections of different diameters to obtain a venturi-like diffusor. A pressure difference sensor may be provided, which in combination with a position of the closing element allows for computation of the flow rate through the valve without the need for a separate flow meter.

Abstract: A center of gravity (G1) of a second exhaust pipe (12) is located on the side of an axis (J1) connecting two associated support members (16, 17) that is distal to a ball joint (15). Thus, creating a moment that applies a load (F1) to a ball joint (15) that presses the ball joint (15) up toward the vehicle body. In turn, by locating a center of gravity (G2) of a third exhaust pipe (13) on the side of an axis (J2) connecting two associated support members (19, 20) that is proximal to the ball joint (15) the weight of the third exhaust pipe (13) creates a moment which that applies a load (F2) to the ball joint (15) that presses the ball joint (15) down away from the vehicle body. Consequently, the load (F1) and the load (F2) of approximately the same magnitude act in opposite directions.

Abstract: Certain embodiments of the present invention provide a vertical exhaust duct for an electronic equipment enclosure. The vertical exhaust duct includes a first duct section, a second duct section slidably connected to the first duct section and extendable to a first height above the first duct section, and a third duct section slidably connected to the second duct section and extendable to a second height above the second duct section.

Abstract: The tubular conduit system of this invention allows modules requiring utilities to be positioned at any desired location within a cabinet, such as a refrigerator. The conduit is mounted to the cabinet of a refrigerator/freezer or the doors thereof and includes at least one electrical conductor positioned between the outer and inner walls and at least one fluid conduit within the inner wall. The conduit can be made of joined sections using connectors to also couple a module to the conduit such that modules can be installed at consumer selected locations prior to delivery of the refrigerator/freezer to the consumer.

Abstract: A system for mitigating slugging in the conveyance of hydrocarbons in a flowline includes a first portion of flowline that extends substantially longitudinally along a declining surface. The first flowline portion carries multiphase hydrocarbons. A second portion of flowline extends upward from adjacent the first portion of flowline, and is in fluid communication with the first portion of flowline. A slug-mitigating region is between the first and second portions of flowline so slug-mitigating assembly receives the hydrocarbons from the first portion of flowline and conveys the hydrocarbons to the second portion of flowline. The slug-mitigating region has consecutively joined tubular segments that are each arcuate along a predetermined arcuate angle, with substantially uniform cross-sections. The first portion of flowline can be a subsea flowline extending along a sea floor, and the second portion of flowline can be a riser.

Abstract: An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching joint protector adapted to surround the insulator and hold the insulator against the joint, where the protector also includes a channel for receiving injection and/or control tubing. The insulator is capable of reducing heat loss through the joints of a vacuum insulated tubing string by as much as 95%.

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 cover segment for an aesthetic cover assembly includes a cover wall and at least one joint element. An aesthetic cover assembly includes two or more cover segments. The joint elements of the cover segments have a common profile and are secured along the corresponding cover wall in an opposite facing relation. A method of assembling a cover assembly is also included.

Abstract: A submarine cold water pipe water intake system of an ocean thermal energy conversion power plant is installed at a cold water inlet of a power boat, and the cold water pipe includes: a water intake head; a water intake pipe formed by connecting composite pipes in a series, and each composite pipe is formed by arranging a plurality of wavy inner pipes sequentially into a tubular shape; a connecting pipe formed by engaging an outer pipe and an inner pipe, and an inner pipe of the connecting pipe being connected to the cold water inlet of the power boat, and an end of the outer pipe of the connecting pipe is connected to a connecting portion of the water intake pipe.

Abstract: The present invention relates to an exhaust piping system designed for a motor vehicle which includes: a first opening that includes a six inch inside diameter; a first bend downward from the first opening; a second bend downward from the first bend, wherein the pipe maintains a six inch inside diameter; a straight section downward from the second bend, wherein the pipe maintains a six inch inside diameter; a y-shaped piping attachment connected to the straight section at a first end, where the y-shaped piping splits the exhaust along two paths to the two remaining openings. A first straight exhaust pipe may be attached to the first opening and e transitions from a 6 inch outside diameter to a 7 inch outside diameter. A second straight exhaust pipe may be attached to the second opening and transitions from a 6 inch outside diameter to a 7 inch outside diameter.

Abstract: A transition sleeve is inserted into a transition tube of a vacuum system of a vacuum sweeper. The transition sleeve extends the useful life of the transition tube by sacrificially wearing instead of the transition tube. Such wear arises from abrasive grit and other materials swept up by the vacuum sweeper. The transition sleeve is desirably formed using wear-resistant materials. The transition sleeve can include a flange at one end to allow the transition sleeve to be held in the transition tube without using fasteners or bonding agents. A first portion of an interconnection structure is provided at the other end of the transition sleeve and engages with a second portion of the interconnection structure provided at a first end of an extension sleeve to connect the extension sleeve to the transition sleeve. The extension sleeve allows the transition sleeve to be used with transition tubes of varying lengths.

Abstract: 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.

Abstract: A vehicle exhaust system includes first and second exhaust components that are attached to each other at a connection interface. A reinforcement member is positioned in an overlapping relationship with each of the first and second exhaust components, and is secured in place to strengthen the connection interface.

Abstract: The invention relates to a circular distributor for thick materials, in particular for liquid concrete. The circular distributor comprises a support frame (10) mounted on a base (16), a frame-secured conveying pipe (24) which can be charged at an inlet end (26) with thick materials under pressure, a first pipe bend (30) coupled to the outlet end of the frame-secured conveying pipe (24), a second pipe bend (34) which, via a first articulated coupling (32), can be pivoted with respect to the first pipe bend (30) about a vertical axis (36) of the support frame (10), and a distributor pipe (44) connected to the second pipe bend (34), the outlet end of which distributor pipe has an outlet opening (48) for the thick materials.

Abstract: A sheath useful for remote steering, guidance and/or manipulation of a flexible instrument, including e.g. an endoscope, received through the sheath.

Abstract: A pipe, particularly a pipeline pipe having a first and a second face end, wherein the two face ends are profiled such that two identically profiled pipes can be connected to each other by way of a glued plug-in connection of a first face end of one pipe to the second face end of the second pipe, wherein the plug-in connection has a centering section and a gluing section, wherein a stop step of the first pipe abuts a counter stop step of the second pipe in the centering section such that an annular gap, which is open toward the outside of the pipes and is filled with glue in the connected state, is formed in the gluing section. It is essential that the annular gap is formed by two gap walls extending substantially parallel to each other and tilted at an acute angle to the pipe axis.

Abstract: Fire sprinkler system comprising a network of CPVC pipe lengths in which at least some of the pipe lengths are interconnected with mechanical devices having resilient sealing members that are chemically compatible with the CPVC composition. Repairs and system modifications can be made without the use of solvent cement. In-line joints are formed with a coupling device including a pair of arcuate coupling segments having a first end, a second end, and an interior concave surface extending between the first end and the second end. A longitudinal channel extends along the concave surface. At least one mechanical fastener is operative to detachably connect the pair of coupling segments. A resilient annular seal is located within the longitudinal channel of each segment. A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member. The pipe assemblies are able to pass UL testing protocols for wet fire sprinkler systems.

Abstract: A housing for an exhaust gas purification component encloses an interior space in which at least one receptacle is formed by the housing at the outside. An exhaust system includes at least one first exhaust line section and the housing having the exhaust gas purification component. The first exhaust line section is in engagement with the receptacle, and the first exhaust line section and the receptacle are connected to one another in a materially integral manner. A motor vehicle having the exhaust system is also provided.

Abstract: A material composite has a part made from steel or a titanium-based material and a part made from a copper-based or aluminum-based material. The parts of the material composite are joined by way of an intermediate piece. The intermediate piece likewise comprises a region made from steel or a titanium-based material and a region made from a copper-based or aluminum-based material, which are connected by explosion welding. The parts of the material composite are connected to the regions of the intermediate piece which are in each case of the same type by means of a fusion or diffusion welding process.

Abstract: An accessory for a vapor generator, such as a smoke or fog machine, includes an elongated member that connects to an output nozzle of the vapor generator. The elongated member has one or more perforations formed in its sidewall along its length. A vapor generated by the vapor generator travels through an interior of the elongated member and escapes through the perforations to the ambient atmosphere. The effect creates a curtain of smoke or fog.

Abstract: Provided are a connection structure for connecting corrugated synthetic resin pipes and a corrugated synthetic resin pipe used in the connection structure. The pipe is lightweight, low cost, and simply structured with a small number of components, having sufficient resistance to water and pressure, and excellent sealing performance without the use of robust material or requiring high precision, and capable of being easily connected and manufactured. A first corrugated synthetic resin pipe 1A is provided at an end 10 with a cylindrical insert end 3 formed by adhering a synthetic resin layer 5 to the outer surface of the end 10 so as to fill at least corrugated recesses a. A second corrugated synthetic resin pipe 1B is provided at an end 11 with a socket 4 formed by adhering synthetic resin to the outer surface of the end 11 and cylindrically extending the resin outwardly in the axial direction.

Abstract: An intermediate insulating product (20) is disclosed comprising a planar insulating layer (11) having a top side in to which is formed a plurality of parallel channels (14) having cross-sections with tapered sides. A vapour proof layer (18) is applied to the top surface after the channels (14) have been formed such that the vapour proof layer (18) bridges the plurality of parallel channels (14). The intermediate insulating product (20) is then bent with mechanical manipulation in regions adjacent the bottom of the channels (14) thereby causing the channels (14) to close to form a non-planar, derivative insulated ductwork product (30) and the vapour proof layer (18) forms a vapour proof inner lining to the derivative insulated ductwork product (30).

Abstract: A method for girth welding of metallic pipes consists in beveling one pipe end in order that, when it is aligned with an identically beveled pipe end on another pipe, results in a bevel of a “cruet” design with a rounded bottom part larger than an upper part with parallel walls. The diameter of the welding wire used for the welding method is within 1.2 and 1.4 mm and the wire contains low levels of impurity including sulfur and phosphorus. The welding technique used is a “strip” technique which does not provide employ weaving or oscillation of the welding torch.

Abstract: A method for joining two components, of which at least one is tubular in shape, more preferably of an exhaust system of an internal combustion engine. The joint can be produced in an easier manner with high quality if a ring-shaped joining element having an outer cone on at least one axial side with its outer cone is axially pressed into an axial end section of the one tubular component, as a result of which the end section of the one component widens along the outer cone when on its axial end of the widened end section and on the joining element a circumferential weld seam is produced and when the other component on an axial end section is joined with the joining element.

Abstract: An apparatus for conveying fluid comprising a first tube and a second tube. The first tube has a first end and a second end, an inner wall and an outer wall. The inner wall defines a passage for fluid and an outer wall has at least one first receiving section for receiving an inner wail from the second tube. The second tube has a first end and a second end, an inner wall and an outer wall. The inner wall defines a chamber for receiving the first tube and has at least one second receiving section for receiving the outer wall of the first tube wherein at least one of the first tube and the second tube are drawn down such that the first receiving section and the second receiving section of the first tube and the second tube are in close proximity to each other and sealed.

Abstract: An insulating apparatus for use with vacuum insulated tubing sting to reduce heat loss through the joints, where the apparatus includes an insulator adapted to surround the joint and a latching joint protector adapted to surround the insulator and hold the insulator against the joint, where the protector also includes a channel for receiving injection and/or control tubing. The insulator is capable of reducing heat loss through the joints of a vacuum insulated tubing string by as much as 95%.

Abstract: The invention relates to a piping apparatus for carrying a cooling or lubricating medium in a transmission or an engine, preferably in a vehicle, with a pipe for carrying a medium and at least one outlet opening for conducting the medium out of the pipe. It is distinguished by virtue of the fact that the piping comprises multiple standardized piping elements (12), that at least one piping element (12) is a piping element having an outlet opening (14), and that the piping elements (12) are made from a plastic. The invention further relates to a modular system for the construction of such a piping apparatus.

Abstract: The present invention relates to a tubular member configured to be supported by a pipe support device on board a pipelay vessel, the tubular member comprising at least one load bearing surface which is formed along the outer side of the tubular member, the at least one load bearing surface being constructed and arranged in order to allow a substantial axial load to be imparted onto said tubular member by the pipe support device, wherein the at least one load bearing surface tapers outwardly with respect to a main longitudinal axis of said tubular member. The present invention also relates to a tubular member comprising a plurality of load bearing surfaces. The present invention also relates to a method of laying a pipeline, to a pipe support device, to a pipelay vessel, to a method of processing a tubular member, to a method of assembling a pipe assembly and to a pipe assembly.

Abstract: A method and apparatus for lining a pre-existing pipe or passage having at least one curved section or bend along its length with a pipe assembly (10) is disclosed. An assembly is formed from a plurality of pipe sections (11), having axial ends (15,16) which are inclined at non-orthogonal angles (x) with respect to the longitudinal axis of the sections, and having interengagement means, placed end-to-end and engaged together The pipe assembly is advanced into the passage or pre-existing pipe, pipe sections being vibrated such that the relevant pipe sections rotate relative to one another towards a relative orientation in which the axes of adjacent pipe sections within a curved section of pre-existing pipe or passage lie inclined at an angle to one another such that the pipe assembly can be advanced through the pre-existing pipe or passage.

Abstract: A method and apparatus for providing an expandable threaded connection between segments of expandable tubulars. Threaded connections are machined into pre-expanded ends of tubulars. Once the threaded connections are machined into the pre-expanded ends, two joints of tubulars are connected using the threads, thus creating a pre-expanded threaded connection. After a tubular string is made up and lowered into a wellbore, the entire length of the string is expanded using known methods for expanding tubulars. During the downhole expansion operation, the pre-expanded threaded connections experience minimal expansion. The minimal downhole expansion of the pre-expanded threaded connections allows the threaded connections to maintain their sealing ability and coupling strength.

Abstract: The present invention includes a molten metal pump and associated components that enable gas to be released into a stream of molten metal. The gas may be released into the molten metal stream (preferably into the bottom of the stream) flowing through a passage. Such a stream may be within the pump discharge and/or within a metal-transfer conduit extending from the pump discharge. The gas is released by using a gas-transfer foot that is positioned next to and is preferably attachable to the pump base or to the metal-transfer conduit. Preferably, the conduit (and/or discharge) in which the gas is released comprises two sections: a first section having a first cross-sectional area and a second section downstream of the first section and having a second cross-sectional area, wherein the second cross sectional area is larger than the first cross-sectional area. Preferably, the gas is released into or near the second section so that the gas is released into an area of relatively lower pressure.

Abstract: The present invention relates to various embodiments of an improved high-speed corner flange connection member which is specifically shaped and designed to increase the clamping force applied to adjacent duct flanges when adjacent duct sections are connected together.

Abstract: A flexible pipe for fluid transport especially in offshore application has a first extruded tube having nylon and a first layer having aromatic polyamide disposed about the first tube. A plurality of rings composed of stainless steel are disposed about the first layer. Each of the rings has first ends with circumferential lips and second ends with circumferential grooves interconnecting together. These lips and grooves permit adjacent ones of the rings to tilt relative to one another by about 1.5-degrees for every 4-inches of flexible pipe. A second extruded tube having fiberglass is disposed about the plurality of rings, and an exterior jacket having nylon is disposed about the second tube.

Abstract: The present invention relates to an apparatus for welding tube segments to a tubular shaped body, and to a laser welding method for connecting a tube segment to a tubular shaped body, in which the tube wall of the tube segment is constructed from at least two material layers that differ from each other, and one of these layers contains, at least portionally, an absorber for laser radiation, comprising the steps of provision of a PVC-free tube segment and a tubular shaped body, positive insertion of tube segment and tubular shaped body into one another with the result that surface regions of the tube segment and of the tubular shaped body overlap, irradiation of the overlapping surface regions with laser radiation of defined wavelength, wherein it is unnecessary, in the case of the laser welding method, to move either the joint partners or parts of the apparatus.

Abstract: This invention involves a non-eutectic structure welded joint of copper-aluminum thin wall pipe and its manufacturing method. This welded joint includes a chemical bond directly formed between the cone welding section of the copper pipe and the inner wall of the aluminum pipe, to form a columnar grain crystal with a toothed profile. The method includes providing a metal rod in a nosing end of copper pipe welded part, and installing a felder at the corresponding position of fixed electrode group. During welding, a pushing cylinder pushes the travelling electrode group with copper pipe to the aluminum pipe. At the same time a circuit is connected/powered, so the copper-aluminum combined zone is heated by electric resistance heating. The copper pipe moves to the interior of aluminum pipe continuously at the role of the pushing cylinder. The cooled metal rod is drawn out after power-down. The chemical bond directly forms in copper-aluminum joint. The weld does not have eutectic structure.

Abstract: A condensate draining pipe is provided for a heating system, a ventilating system, and/or an air conditioning (HVAC) system that includes, but is not limited to a condensate feed portion and a condensate drain portion. The condensate feed portion and the condensate drain portion are connectable to one another by a press-fit coupling assembly comprising an O-ring seal.

Abstract: A method of making a compression based tubular structure having at least one structural joint using the friction welding process to improve the durability of tubular structures and structural integrity via increased resistance to tension and fatigue type loading and resistance to corrosion. A method of making a compression based tubular structure having at least one structural joint using the friction welding process is provided. In addition, a compression based tubular structure is provided. The compression based tubular structure comprises at least one tubular structure joint, at least one pair of flanges that surround each tubular joint, and a plurality of tension rods that connect the pair of flanges that surround the tubular structure joint.

Abstract: A tube type cable protection and guide device in which the device can be easily manufactured by extrusion molding without changing the size of a mold so that devices of different lengths can be made. Smooth linear and flexional movements can be made while sufficiently ensuring dimensional stability and torsional rigidity of the device thus assuring stability of the cable accommodating space. A tube type cable protection and guide device includes integrally molded inner circumferential wall forming portions. The inner wall forming portions are interdigitatedly fitted in a male-female relationship in a longitudinal direction of the sheet forming a flush inner flat surface.

Abstract: Coatings for protecting and insulating fluid and/or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of up to 100° C. in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of thermal insulation comprising polystyrene or styrene-based thermoplastic, having low thermal conductivity, high thermal softening point, high compressive strength and high compressive creep resistance.

Abstract: A center of gravity (G1) of a second exhaust pipe (12) is located on the side of an axis (J1) connecting two associated support members (16, 17) that is distal to a ball joint (15). Thus, creating a moment that applies a load (F1) to a ball joint (15 that presses the ball joint (15) up toward the vehicle body. In turn, by locating a center of gravity (G2) of a third exhaust pipe (13) on the side of an axis (J2) connecting two associated support members (19, 20) that is proximal to the ball joint (15) the weight of the third exhaust pipe (13) creates a moment which that applies a load (F2) to the ball joint (15) that presses the ball joint (15) down away from the vehicle body. Consequently, the load (F1) and the load (F2) of approximately the same magnitude act in opposite directions.

Abstract: A fitting is provided for slip fit adjustment of conduit leading from an electric service box on a building to an underground electric service line to allow for subsidence of the ground level without excessive force on the service box even when sections of the conduit are not in alignment.