Abstract: This disclosure relates generally to corrugated pipe, and more particularly to corrugated pipe with an outer wrap. In one embodiment, a pipe includes an axially extended bore defined by a corrugated outer wall having axially adjacent, outwardly-extending corrugation crests, separated by corrugation valleys. The pipe also includes an outer wrap applied to the outer wall. The outer wrap may include fibers and plastic. The outer wrap may span the corrugation crests producing a smooth outer surface.

Abstract: A connection socket for a tubular press connection including a socket cup having a metal alloy composition and comprising: an O-ring portion defining an O-ring recess; a plurality of gripper arrays positioned equidistant along an internal surface of the socket cup; and a plurality of raised ridges positioned equidistant on an exterior surface of the socket cup. The raised ridges may extend over the gripper arrays.

Abstract: A fire hose coupling includes a substantially annular body having a first end adapted to connect to a fire hose and a second end having male threads. The annular body has a central bore. The coupling includes circumferentially spaced-apart lugs extending radially outwardly from an outer surface of the first end of the body. The coupling further includes a protective shoulder extending radially outwardly from the body between the male threads and the lugs. The protective shoulder has an outer diameter greater than an outer diameter of the male threads to thereby protect the male threads.

Abstract: A duct coupling apparatus includes a collar portion having a first end and a second end, a flange disposed about the collar portion in a manner that divides the collar portion into an first side and a second side, and a retaining structure extending from a surface of the flange towards the second side of the collar portion. The retaining structure and the collar portion define therebetween an annular region for receipt of a sealing element, such as an o-ring or gasket. The retaining structure prevents the sealing element from extruding outwards and/or failing when under pressure.

Abstract: The present disclosure relates to an end fitting and method to install the end fitting to a flexible pipe. The method includes disposing a shell mandrel at a free end of the flexible pipe external to a jacket of the flexible pipe and performing a cutback of layers of the flexible pipe to expose an internal pressure sheath of the flexible pipe. An armor layer of the flexible pipe is radially outward from an axial direction of the flexible pipe. At least one internal pressure containment transition component and at least one internal pressure sheath seal are installed on the exposed free end of the flexible pipe. The end fitting is assembled such that the at least one internal pressure containment transition component and at least one seal are assembled with non-radial fasteners having a backward facing direction.

Abstract: The invention relates to a bellows hose, which is capable of being used without leakage, and which has a longer length and/or diameter than has been previously achievable. A bellows hose comprises an inner tubular bellows and an outer tubular bellows. An insulation layer is provided between the bellows. An armoured layer is provided around the outer bellows, to improve the insulation further. The hose can have length above 30 m and a diameter above 400 mm. A method of, and apparatus for, making the hose are also described, which involves the use of a non-metallic mandrel.

Abstract: The invention relates to a composite hose, which is capable of being used without leakage, and which has a longer length and/or diameter than has been previously achievable. A composite hose comprises a tubular body of flexible material arranged between an inner and an outer helically wound wire. The hose further comprises an axial strengthening means adapted to reduce deformation of the tubular body when the tubular body is subjected to axial tension, the axial strengthening means being adapted to exert a radially inward force on at least part of the tubular body when axial strengthening means is subjected to axial tension. The hose can have length above 30 m and a diameter above 400 mm. A method of, and apparatus for, making the hose are also described, which involves the use of a non-metallic mandrel.

Abstract: Apparatus and method for maintaining temperature in a sub-sea device, in particular in relation to fluid in the device. A material having a high latent heat on phase change is used to release latent heat to the fluid when the fluid temperature decreases towards a threshold value.

Abstract: A hose section for use in a modular PCA air delivery system includes a tension strap extending approximately parallel to and away from the body of a first end of the hose section, and a receiver loop formed on the exterior of the second end that receives a part of the strap therethrough so that the strap can be folded back in the direction of the first end, and fastened to the first end thus holding the first hose section to the second hose section when either hose section is pulled.

Abstract: A method for forming peristaltic pump cassettes includes cutting tubing segments to different lengths based on the physical properties of the individual tubing segments. The size variations compensate for the physical parameters of the tube and improve accuracy in a peristaltic pump using the cassettes.

Abstract: A female connector includes a body, a mediate member and a rotary member. The rotary member has a stepped cylindrical portion which is rotatably inserted in the inner hole of the mediate member. The other end of the mediate member is threadedly connected to the body. The rotary member is threadedly connected to the connector of a hose. The hose can be freely rotatable relative to the female connector to prevent being twisted.

Abstract: Trim tube sleeved joining component for use in enclosing a service pipe and establishing sealable fluid communication therewith a supply line. A joining component such as a compression fitting allows sealable junction of the service pipe with the supply line when fitted thereon, and a trim tube is mechanically affixed to the joining component and formed to allow placement radially outside of the service pipe as a sleeve. A high speed fitting of a trim tube results without need for soldering the trim tube to the service pipe.

Abstract: The invention relates to a composite hose, which is capable of being used without leakage, and which has a longer length and/or diameter than has been previously achievable. A composite hose comprises a tubular body of flexible material arranged between an inner and an outer helically wound wire. The hose further comprises an axial strengthening means adapted to reduce deformation of the tubular body when the tubular body is subjected to axial tension, the axial strengthening means being adapted to exert a radially inward force on at least part of the tubular body when axial strengthening means is subjected to axial tension. The hose can have length above 30 m and a diameter above 400 mm. A method of, and apparatus for, making the hose are also described, which involves the use of a non-metallic mandrel.

Abstract: The invention relates to a bellows hose, which is capable of being used without leakage, and which has a longer length and/or diameter than has been previously achievable. A bellows hose comprises an inner tubular bellows and an outer tubular bellows. An insulation layer is provided between the bellows. An armoured layer is provided around the outer bellows, to improve the insulation further. The hose can have length above 30 m and a diameter above 400 mm. A method of, and apparatus for, making the hose are also described, which involves the use of a non-metallic mandrel.

Abstract: A composite hose is constructed to have an outer peripheral portion and an inner peripheral portion. The outer peripheral portion includes an elastic layer and a reinforcing layer provided on an outer periphery of the elastic layer. The inner peripheral portion includes a corrugated metal tube which is provided with a corrugated portion formed with corrugation hills and corrugation valleys. A distance between the reinforcing layer and tops of the corrugation hills of the corrugated metal tube is designed 0.27 mm or less.

Abstract: The present invention is an improved method of installing a bathtub liner in a bathtub, with a liquid adhesive. The method steps include removing the bathtub drain and overflow protection device, templating and cutting the bathtub liner to properly fit into the bathtub, cleaning the bathtub, forming a foam rail gasket, setting the bathtub liner into place and forming the bathtub liner drain, removing the set bathtub liner and cleaning the bathtub liner, applying tub and wall adhesive and sealant between the bathtub and the bathtub liner, resetting the liner into place and installing the bathtub drain and stopper, installing any accessories, pouring the liquid adhesive between the liner and the bathtub, flushing away any unnecessary liquid adhesive and catalyzing the liquid adhesive.

Abstract: A male coupling for attaching to a female coupling in which rotation of the male coupling with respect to the female coupling is limited. In one embodiment, the male coupling has one or more tabs extending from a flange, the tabs limiting rotation when the male coupling is mated to a female coupling assembly for fluid conductors.

Abstract: A hose coupling fitting is furnished with a coupling head portion having a connecting hole, and a nipple portion having a nipple hole, and is fabricated through sequential cold forging steps carried out on a rod material. Specifically, a first pilot hole is formed along the center axis from a first end of the rod material, and a second pilot hole is formed along the center axis from the other end of the rod material. The second pilot hole is connected to the first pilot hole, and is formed with smaller diameter than the first pilot hole and larger diameter than the nipple hole. The surrounding area of the second pilot hole is then worked to form the nipple portion.

Abstract: A method for manufacturing flexible pipe body and flexible pipe body of a type suitable for transporting production fluids is disclosed. The flexible pipe body includes an armour layer comprising interlocked windings of armour tape comprising at least one armour locating element and a reinforcement layer comprising a layer of reinforcement tape comprising at least one reinforcement locating element over the armour layer. The armour locating element and reinforcement locating element locate windings of the reinforcement tape with respect to respective windings of the armour tape.

Abstract: A pipeline for the transport of a pressurized flowable medium, consisting of a metal tube corrugated transversely to its longitudinal direction and of a hose which is arranged in the same and consists of plastic. In the position of use the hose bears against the inwardly pointing wave troughs of the metal tube, which hose has a multiplicity of holes separated from one another in the wall of the same over its entire axial length. The wave troughs of the metal tube penetrate slightly into the surface of the hose so as to fix the latter with respect to axial loads.

Abstract: A flexible pipe body and a method of manufacturing flexible pipe body and a tape used during the manufacturing are disclosed. The flexible pipe body includes at least one layer of helically wound tape, adjacent windings in the layer of tape being interlocked by a hooked region of a winding nested in a valley region of an adjacent winding wherein the tape has a cross-sectional profile comprising a first contact surface and parallel spaced apart side walls substantially perpendicular to the contact surface.

Abstract: A method of attaching flexible tubing used in implementations such as drying buildings after flooding or irrigation. The method comprises forming a hole in a first line of flexible tubing, positioning a second piece of flexible tubing about a connector, and positioning the connector into the interior of the first opening with the second tubing positioned there about so that the pressure in the first tubing presses the connector against the inner wall thereby capturing the second tubing between the connector and the inner wall of the first tubing.

Abstract: An improved seal and method for providing a watertight compression joint connection between a valve or fitting and a flare end of a copper tubing in a water service. The improvement includes an O-ring seal on a bull nose end of a valve and a frictional material inserted into straight AWWA threads on a male inlet or outlet of the valve to sealingly engage a flared end of the copper tubing to the bull nose end and to frictionally engage a flare nut with the tubing back onto the matching bull nose end of the valve when screwing the flare nut onto the male threads of the valve, respectively.

Abstract: A female coupling assembly for fluid conductors, having a coupling body, a latch plate, and a latch pin. The coupling body has a fluid pathway and a slot transverse to the fluid pathway. The latch plate is disposable in the slot, may be biased toward a locked position, and has a first lever portion and a second planar portion. The latch plate may be translated in the slot to an unlocked position by pressing the lever portion toward the coupling body. Upward translation of the latch plate may be limited by the latch pin. The latch plate may define a first generally central aperture and a second aperture opening into the first aperture. The central aperture may include a pair of raised radial edges flanking an upper portion of the second aperture, each radial edge flanked by an outboard notch.

Abstract: Systems and methods of applying an ozone-depleting catalytic coating to an air stream component for producing a durable surface with optimal ozone depletion characteristics are provided. An air stream component having a surface with favorable adhesive properties or coatings is exposed to a concentration of ozone-depleting catalytic particles, wherein the receptive surface of the coated substrate binds the ozone-depleting catalytic coating.

Abstract: In a method of manufacturing a beverage dispensing head, a first section is molded to include an exit channel and a first portion of a valve bore. A second section is molded to include an entry channel, a passage through the second section, and a second portion of the valve bore. A third section is molded to include a passage through the third section and a third portion of the valve bore. The first section is mated with the second section and the second section is mated with the third section to form a handle including a passageway therethrough. The mating of the first section with the second section and the second section with the third section aligns the first portion with the second portion and the second portion with the third portion to form the valve bore for the passageway. In addition, the entry channel is sealed to form a fluid entry aperture and a fluid entry conduit for the passageway. Further, the exit channel is sealed to form a portion of a fluid exit conduit for the passageway.

Abstract: A hose comprising a tubular body of flexible material arranged between elongate inner and outer gripping members, wherein the tubular body comprises a sealing layer arranged between inner and outer reinforcing layers, and wherein the outer gripping member is made of a flexible non-rigid material capable of being wound around the tubular body.

Abstract: A flexible pipe for conducting fluid, such as offshore production fluids, has interior tubing, a series of rings and clamps, and exterior tubing. The interior tubing has an extruded tube and a surrounding layer. Outer rings dispose about the interior tubing and abut end-to-end. Inner rings dispose on the tubing and fit in between each of the outer rings. These inner rings have tapered surfaces that fit against beveled ends defined in each end of the outer ring's internal bore. The clamps affix the abutting ends of the outer rings together, and the exterior tubing disposes on the series of rings and clamps. This exterior tubing has an inner layer of wrapped tape surrounded by an extruded tube. A flange couples by an end clamp to the end ring of the pipe, and inner and outer supports on the flange support the interior and exterior tubing.

Abstract: A hose coupling according to the present invention for securing a hose has a cylindrical nipple and a cylindrical socket disposed radially outwardly thereof. A plurality of circumferentially extending annular hose gripping projections are provided on a radially inner surface of the socket in a predetermined interval along a longitudinal direction of the nipple. The hose comprises an elastic tube layer and a reinforcing layer disposed radially outwardly thereof, and is to be secured between the nipple and the socket by crimping the socket after the hose is inserted between the nipple and the socket. At least one hose gripping projection of the plurality of hose gripping projections protrudes radially inwardly of the socket greater than other hose gripping projections.

Abstract: A flexible connector comprises a length of corrugated tubing having a distal end and an end piece having a proximal end. The proximal end of the end piece is engaged with the distal end of the length of corrugated tubing and a length of polymeric tubing is utilized to initially retain the end piece and the length of corrugated tubing in engagement with one another. A length of mesh tubing may be extended along the length of corrugated tubing and around the exterior of the length of polymeric tubing. A sleeve is positioned in alignment with the length of polymeric tubing, with the proximal end of the end piece, and with the distal end of the length of corrugated tubing. The sleeve is crimped to permanently retain the proximal end of the end piece in engagement with the distal end of the length of corrugated tubing.

Abstract: An end piece for a flexible connector comprises a sleeve defining the proximal end thereof. A length of corrugated tubing is extended into the sleeve and the sleeve is crimped thereby joining the length of corrugated tubing to the end piece. For high pressure applications a length of polymeric tubing, a length of mesh tubing, and an outer sleeve are positioned in a surrounding relationship to the sleeve of the end piece and the outer sleeve is crimped thereby securing the length of mesh tubing to the end piece.

Abstract: A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire length of corrugated tubing and over the polymeric sleeve. The distal end of the corrugated tubing, the polymeric sleeve, and the distal end of the length of mesh tubing are received in a sleeve which is formed integrally with an end piece. The sleeve is crimped into permanent retaining engagement with the length of corrugated tubing, the polymeric sleeve, and the length of mesh tubing. The end piece functions to secure the flexible connector into engagement with an adjacent component.

Abstract: It is described how to easily manufacture a pipe fitting by machining instead of casting, despite its complex shapes and its small dimensions. A model is created, a machining program is defined, checks are made and the previous results are input into a numerically controlled machine tool.

Abstract: A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire length of corrugated tubing and over the polymeric sleeve. The distal end of the corrugated tubing, the polymeric sleeve, and the distal end of the length of mesh tubing are received in a sleeve which is formed integrally with an end piece. The sleeve is crimped into permanent retaining engagement with the length of corrugated tubing, the polymeric sleeve, and the length of mesh tubing. The end piece functions to secure the flexible connector into engagement with an adjacent component.

Abstract: A bracing apparatus for bracing a flexible pipe extending between a fire sprinkler header pipe and a sprinkler and for holding the sprinkler in a desired location, a flexible piping system having the bracing apparatus, and a method of installing a sprinkler of a sprinkler system having the bracing apparatus. The bracing apparatus has first mounting members that attach to a flexible pipe, and a stiffener bar that extends between the first and second mounting members.

Abstract: A process for assembling a rigid fitting to a flexible or elastic tube or hose within one of a portable, hand-held and/or mountable assembly device, including the steps of slip-fitting the fitting within a pusher member of the device that includes a torque-producing source capable Of converting input power into linear motion force; b. temporarily restraining a hose open end within the assembly device and; activating the torque-producing source to linearly advance the pusher member and fitting, relative to the restrained hose end, for physically inserting the fitting into the hose open end. Additional steps include: retraction of the pusher member and releasing the now-assemble hose and fitting assembly from the assembly device. Product-by-process claims and article claims, pertaining to the assembly device used in the process for assembling, are also set forth.

Abstract: A flexible connector comprises a length of corrugated tubing having a distal end and an end piece having a proximal end. The proximal end of the end piece is engaged with the distal end of the length of corrugated tubing and a length of polymeric tubing is utilized to initially retain the end piece and the length of corrugated tubing in engagement with one another. A length of mesh tubing may be extended along the length of corrugated tubing and around the exterior of the length of polymeric tubing. A sleeve is positioned in alignment with the length of polymeric tubing, with the proximal end of the end piece, and with the distal end of the length of corrugated tubing. The sleeve is crimped to permanently retain the proximal end of the end piece in engagement with the distal end of the length of corrugated tubing.

Abstract: A high-pressure resistant vibration absorbing hose includes an inner surface rubber layer, a reinforcing layer formed by braiding a reinforcing yarn in an outer side thereof at a high braiding density equal to or more than 50%, and an outer surface rubber layer, and has a joint metal fitting to an axial end portion, the caulked portion is formed in an expanded shape, and a braiding angle of the reinforcing yarn is set to 55 degree±2 degree in both of a caulked portion and a main portion.

Abstract: A pipe unit (100) with a connector (120), and a producing method thereof, are disclosed. The pipe unit (100) includes the tabular connector (120) having at least a through hole (121) into which the end portion of a corresponding pipe member (110) is inserted. The end portion of the pipe member (110) is increased in diameter and thereby caulked on the inner surface of the through hole (121). The pipe member (110) includes an enlarged portion (111) with the diameter thereof increased and a non-enlarged portion (112) with the diameter thereof not increased, which are connected to each other by a stepped portion (113) formed outside the connector (120). The thickness of the connector (120) and the machining cost of the through hole (121) are reduced.

Abstract: An apparatus and method for forming a duct member having a plurality of adjustable sections which are rotatable relative to one another. The apparatus and method causes relative rotation between individual sections during the manufacturing process, to form a completed duct member in an automated process utilizing a rotating head assembly comprising a plurality of engagement members extendable radially outward of the rotating head body in an engagement position and retractable radially inward to a disengagement position. Accordingly, a 90 degree adjustable elbow can be produced in its 90 degree elbow configuration without requiring the machine operator to manually adjust the adjustable sections.

Abstract: A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire length of corrugated tubing and over the polymeric sleeve. The distal end of the corrugated tubing, the polymeric sleeve, and the distal end of the length of mesh tubing are received in a sleeve which is formed integrally with an end piece. The sleeve is crimped into permanent retaining engagement with the length of corrugated tubing, the polymeric sleeve, and the length of mesh tubing. The end piece functions to secure the flexible connector into engagement with an adjacent component.

Abstract: A method for manufacturing a tube with varying wall thickness includes the step of drawing a tube over a generally cylindrical mandrel having an outer diameter that fluctuates along the length of the mandrel between a first diameter and a second diameter. The tube is drawn over the mandrel to form a tube wall having a thickness that fluctuates along the length of the tube between a first wall thickness and a second wall thickness. After the tube is drawn over the mandrel, the mandrel is removed from the tube. The outer surface of the tube may be finished to form a substantially uniform outer diameter along the length of the tube.

Abstract: A method is provided of radially expanding a connector for interconnecting a first tube to a second tube, the connector including a pin member extending into a box member. The pin and box members have cooperating support means arranged to support the pin member so as to prevent radially inward movement of the end portion of the pin member relative to the box member. The method involves radially expanding the connector, and supporting the pin member so as to prevent radially inward movement of the end portion of the pin member relative to the box member.

Abstract: An arbitrary position of a pipe is clamped and a connector is engaged with the pipe. Then, an end portion of the pipe is expanded with a tool such as a diameter expanding punch so as to caulk the pipe to the connector from inside. As a pipe fluctuation-absorbing portion, which is a relief space of pipe material, is provided in a portion of an inner face of the connector, when the diameter-expanding portion is formed, an excess pipe material is absorbed there and the length of the pipe is reduced and adjusted to an appropriate value. A portion in which the pipe fluctuation-absorbing portion is formed is not limited to a forward end portion of the pipe but it may be formed on an inner face of the connector corresponding to an intermediate portion.

Abstract: A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire length of corrugated tubing and over the polymeric sleeve. The distal end of the corrugated tubing, the polymeric sleeve, and the distal end of the length of mesh tubing are received in a sleeve which is formed integrally with an end piece. The sleeve is crimped into permanent retaining engagement with the length of corrugated tubing, the polymeric sleeve, and the length of mesh tubing. The end piece functions to secure the flexible connector into engagement with an adjacent component.

Abstract: A method of manufacturing a multi-cell tube having two or more cells, which are repeatedly formed in longitudinal and circumferential directions of the tube in such a manner that fluid can be separately or simultaneously let into and/or out of the respective cells. The multi-cell tube comprises a cell unit including a plurality of cells arranged in one direction of the tube and have corresponding inlets in a direction intersecting with the direction in which the cells are arranged; a supply tube unit which has an opening/closing valve at any one side end thereof and communicates with the inlets of all the cells in a state where the supply tube unit is close to the cells; and an operating tube unit, made of inflatable material (e.g. rubber, plastics or the like), which is installed within the supply tube unit, and has an opening/closing valve at any one side end thereof.

Abstract: A pipe fitting for pipes has a coating having a high mechanical and/or chemical resistance, a first tubular portion adapted to be connected to the pipe (2) and a second portion (8) adapted to connect with another pipe fitting. The first tubular portion has an inside coating made of a material having a high mechanical and/or chemical resistance. The pipe fittings are installed in a first step wherein an inside layer of the pipes, at one of their ends, is removed to obtain a housing, and a second step wherein the first tubular portion of the pipe fitting is introduced into the housing.

Abstract: A flexible connector comprises a length of corrugated tubing, a polymeric sleeve aligned with the distal end of the length of corrugated tubing, and a length of mesh tubing extending the entire of the length of corrugated tubing and over the polymeric sleeve. The distal end of the corrugated tubing, the polymeric sleeve, and the distal end of the length of mesh tubing are received in a sleeve which is formed integrally with an end piece. The sleeve is crimped into permanent retaining engagement with the length of corrugated tubing, the polymeric sleeve, and the length of mesh tubing. The end piece functions to secure the flexible connector into engagement with an adjacent component.

Abstract: It is described how to easily manufacture a pipe fitting by machining instead of casting, despite its complex shapes and its small dimensions. A model is created, a machining program is defined, checks are made and the previous results are input into a numerically controlled machine tool.

Abstract: A method of forming a fluid quick connect includes steps forming a housing having a split end retainer slidably mounted in a recess in at least one end of the housing. A first angular recess is formed in the housing adjacent the first end. The first recess communicates with a bore extending from the first end of the housing. The retainer is captured in the recess by deforming an extension of the first end of the housing angularly inward. In one aspect, a conical surface is formed inward of the extension to form the recess in conjunction with the deformed extension. The retainer and recess may be used at one end of the housing for connection with one endform or at both ends of the housing to fluidically couple two endforms.