Abstract: A cap and plug for use in sealing the end of a pipe or tube is provided which comprises a tubular member comprised of a resilient material having an open end and a closed end, and having a sidewall extending therebetween, the sidewall having an interior surface having an inwardly-directed ridge extending circumferentially along a centrally-disposed portion of said interior surface of said sidewall, the closed end comprising a centrally-positioned hollow dome portion defined by an inwardly-extending open-ended annular recess, said annular recess defining a sidewall spaced from said interior surface of said sidewall of the tubular member whereby said annular recess is formed therebetween, said sidewall defined by said annular recess containing at least one groove extending along the longitudinal extent of said sidewall from an upper portion of said sidewall toward a lowermost portion of said sidewall, and said sidewall defined by said annular recess being spaced from said interior surface of said sidewall of sa

Abstract: The present invention discloses a pipe fixing system that can provide generally uniform elasticity to a plurality of jaws movably disposed along the tapered inner peripheral surface at the inside of a body thereof, thus making a pipe fixed in a more rigid way. The pipe fixing system comprises a body 10, a plurality of jaws 20 in such a manner as to be moved toward an inlet 13 of the body 10, a jaw-coupling cylindrical plate spring member 30 mounted at the inside of the body 10 in such a manner as to be supported at the lower end thereof by the inner bottom surface of the body 10.

Abstract: A combined vent cap and inspection cap fitting assembly includes a top cap that has a planar top surface and a sidewall extending downward therefrom. Such cap fitting assemblies may be either air-tight or air-flow fitting assemblies depending on whether the present invention is applied inspection cap fittings or vent cap fittings respectively. A bottom cap is seated on the conduit top opening and has an outer wall engaged with the conduit that is spaced inward from the top cap outer wall such that a gap is formed therebetween, allowing ambient air to flow upwardly between the top and bottom caps outer walls, and downwardly through the bottom cap top opening and the conduit. An adapter coupling is removably mated to the conduit. The outer wall of the bottom cap terminates subjacent of the top cap sidewall.

Abstract: An Integrated and Detachable Float-valve-mounted Suction Plug is disclosed. The float valve having an integrated suction plug provides dual functionality—the functionality of a conventional diverter valve, as well as the functionality to plug the skimmer assembly pump suction port. The detachable float-valve-mounted suction plug is configured to snap over the top of a conventional diverter device in order to add the skimmer assembly suction port plug functionality. Both versions will eliminate the need for a pool cleaning person to carry a bag-full of tennis balls or plugs. Each device is designed to stay with or be incorporated within the diverter inside of the skimmer housing. Finally, both embodiments allow the plugging of the pump suction port by flipping over the diverter and then replacing the diverter inside of the skimmer housing.

Abstract: Absorbent plugs and caps plug or cap fittings that have been used to inject liquids into various systems. The plugs are sized to fit within the interior body cavity of fittings to absorb the residual liquid that is left in the cavity after use. The caps are sized to fit over the exterior of the fittings to absorb any residual liquid that leaks out from fitting exterior surfaces. The caps can also have interior plug extensions that extend into the interior cavities to also absorb the residual liquid from the interior. The plugs have non absorptive tabs for insertion and removal and the caps have non absorptive exterior skins or coverings to contain the absorbed liquid within the cap. One such use is to plug and/or cap fittings such as R134a service couplers which are used to inject dye into automotive air conditioning systems.

Abstract: A closure includes a hub having a bore in fluid communication with the port of a vessel. A door is removably positioned within the bore of the hub, and a locking ring is threaded with the hub thread for moving the door to a closed and circumferentially sealed position against the shoulder. At least one rotatable actuator element, such as a plurality of gears, engages the locking ring and is rotated to rotate the locking ring. A breaker bar or impact wrench could be used to rotatable drive the actuator elements.

Abstract: A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece rubber body having at least one cylindrical section sized to receive upstream and downstream pipes of the water line. A unitary rubber planar disc molded with the cylindrical section is of a circular circumference and which completely blocks the water line but which is selectively removable from the cylindrical section thus removing the barrier to the passage of the waste through the line.

Abstract: A cap or plate configured to be coupled with an electronic or magnetic marker and the end of a pipe. The cap may comprise a top portion with a first diameter, a second portion with a second diameter, and a top surface configured for coupling with an electronic or magnetic marker. The first diameter may be approximately equal to an outer diameter of a first pipe, and the second diameter may be approximately equal to an outer diameter of a second pipe. The plate may have a diameter that is greater than the inner diameter of a pipe. The plate may be secured to the pipe such as with a conventional cap, or a threaded plug. When the cap or plate is coupled with a pipe, the electronic or magnetic marker may be used to locate and/or identify a pipe.

Abstract: The present invention addresses provides a clean-out plug that seals a pipe system clean-out that includes a clean-out end and an inner surface, a portion of which is threaded. In general, the clean-out plug includes a compressible sealing member that is retained by the clean-out plug and that seals against an inner surface of the clean-out and/or the back side of the threaded portion of the clean-out. The clean-out plug may also include a cover plate that is secured to the clean-out plug via a second retaining member that engages a first retaining member of the clean-out plug. By sealing against the inner surface and/or back side of the threaded portion of the clean-out, various embodiments of the present invention do not seal within the treaded portion of the clean-out, which is often damaged by cross-threading from previous removals and reinsertions of threaded clean-out plugs.

Abstract: The present invention regards a barrier plug system (3) for sealing off a pipe (1), comprising a plug body, a first and a second end plate surface (11, 31) arranged on opposite sides of the plug body and at least one circumferential sealing means (6) and means (8) for setting the plug system (3). The plug body comprises at least two separate plug body elements (10, 30) movable relative each other and the at least one sealing means (6) is arranged abutting two opposite annular pressing surfaces (12, 32) formed by the plug body, which are moved towards each other during setting of the plug system (3). The pressing surfaces (12, 32) are limited in the movement against each other by stop means and pre-tensioned to move toward each other by at least one tensioning device (7).

Abstract: An inflatable plug insertable into a conduit and inflatable therein to restrict fluid flow comprises a bladder having an interior surface and an exterior surface and at least one fabric layer covering at least a portion of the exterior surface of the bladder. The inflatable plug also comprises a first plate, a second plate, and at least one fluid port. The first plate is positioned inside the bladder and adjacent to the interior surface of the bladder. The second plate is positioned outside the bladder and adjacent to the at least one fabric layer. The second plate is coupled to the first plate such that the first plate and the second plate clamp a portion of the at least one fabric layer and a portion of the bladder therebetween. The at least one fluid port extends through the first plate and the second plate and facilitates inflation and deflation of the bladder.

Abstract: A pipeline tool for use within a pipeline comprises a tool body with an internal flow bore, a swellable component disposed about the tool body, and a temporary seal disposed internally of the flow bore. The pipeline tool may further comprise a tracking device attached to the tool body, wherein the tracking device comprises a mechanical fixture, or an emitter that emits a signal that can be tracked.

Abstract: A removable plug adapted to seal lifting holes in tubular conduits. The plug includes a cap member having top surface and a bottom surface, the top surface having a cavity therein to facilitate removal, the bottom surface having and a longitudinally extending shaft portion wherein radially extending fins form a generally cruciform cross section.

Abstract: The present invention is a male and female safety cap to protect hose and liquid transport fittings and the hand of the operator. The male safety cap has a circular disk with a diameter larger than the female fitting and a loop handle. The female safety cap has raised parallel ridges to protect the cam arm and a loop handle. A T-handle cam is provided to improve handling. In one embodiment, the safety caps are covered in a resilient material to reduce shock. In another embodiment, the safety caps are molded from an electrical dissipative material to prevent static electricity buildup and discharge when removing the safety cap. The loop handle forms a continuous arcuate structure to provide protection to the operator's hand. The safety caps can be color coded or affixed with labels to prevent product cross contamination. Safety caps can be adapted to threaded couplings and fittings.

Abstract: A pressure cap assembly snaps onto a stubout tube in a plumbing supply system through a quick connect coupling. The pressure cap assembly may include two parts, with the first part snap fitting to the stubout tube and a second part snap fitting to the first part.

Abstract: An apparatus for isolating and/or testing a section of a pipe includes a generally annular body having, on each end, a boss. A resilient member such as an O-ring is provided between the annular body and each boss. A series of electromagnets are provided for forcing or urging the bosses towards each other thereby resulting in deformation of the resilient members resulting in a seal being formed between the apparatus and the pipe. A method for isolating and/or testing a pipe segment is also provided.

Abstract: The invention refers to a charge air hose for motor vehicles, comprising: a hose-shaped base member and a textile reinforcement. In a conventional charge air hose the textile reinforcement is embedded into the base member or it is arranged between two layers of the base member. A continuing dynamic load of the conventional charge air hose leads to delamination of the composite. To solve the problems known from the prior art, the invention provides a charge air hose for motor vehicles, comprising: a hose-shaped base member, a textile reinforcement arranged on the surface of the base member, wherein the hose-shaped base member is a vulcanized, elastomer-containing hose.

Abstract: A protector for the ends (2) of tubular elements (1), which comprises: a ring (3) made from a deformable material, wherein the external surface of one of the ends thereof has a conical thread (4); and a threaded cap (6) made from a deformable material, which comprises a closed end (C) and an open end (A), wherein the internal surface of said open end (A) includes a conical thread (5) which matches that of the external end of ring (3). A tubular element (1) which comprises the threadless protector is also disclosed.

Abstract: A plug for a port is provided. Preferably, the plug and a cartridge configured to couple fluid tubes to a housing use substantially identical components such as a seal and a retainer or guide.

Abstract: A conduit-plugging hand tool comprises a conduit-insertable shaft assembly and a toggle-lockable pincer assembly. The shaft assembly comprises coaxial inner and outer shafts, and a bulb member. The bulb member is spatially situated intermediate the distal ends of the inner and outer shafts such that when the shafts are coaxially displaced relative to one another, the bulb member may be axially compressed and radially expanded for selectively blocking conduit. The pincer assembly comprises first and second jaws, and a toggle-locking mechanism. The first jaw is coupled to the proximal inner shaft end, and the second jaw is coupled to a proximal outer shaft end. The toggle-mechanism operates to displace the first jaw along a shaft axis relative to the second jaw. The inner and outer shaft members are thereby coaxially displaceable relative to one another for longitudinally compressing the bulb member and effecting radial bulb member expansion.

Abstract: A pipeline stop is used to temporarily plug a pipeline to allow repairs to the pipeline. The pipeline stop includes lateral sections expanded into a sealing position blocking flow through the pipeline. A central section is moved downwardly to expand the lateral sections. Inclined links transfer force from the central section to the lateral sections. As the central section moves downwardly, the links move from a first inclined position to a second, more nearly horizontal, position. Upward movement of the central section allows the lateral sections to retract, typically by use of springs.

Abstract: A device for isolating at least a portion of a pipe from fluid flowing therethrough. The device having a body (1) that is at least partially insertable into the pipe. An external surface of the body is adapted to abut with an inner surface of the pipe to substantially prevent fluid flowing therethrough. At least one valve element (10) is arranged within the body (1) and is selectively openable and closable to permit fluid to flow through the body to facilitate removal of the body from the pipe.

Abstract: A cap and plug for use in sealing the end of a pipe or tube is provided which comprises a tubular member comprised of a resilient material having an open end and a closed end, and having a sidewall extending therebetween, the sidewall having an interior surface having an inwardly-directed ridge extending circumferentially along a centrally-disposed portion of said interior surface of said sidewall, the closed end comprising a centrally-positioned hollow dome portion defined by an inwardly-extending open-ended annular recess, said annular recess defining a sidewall spaced from said interior surface of said sidewall of the tubular member whereby said annular recess is formed therebetween, said sidewall defined by said annular recess containing at least one groove extending along the longitudinal extent of said sidewall from an upper portion of said sidewall toward a lowermost portion of said sidewall, and said sidewall defined by said annular recess being spaced from said interior surface of said sidewall of sa

Abstract: An anchor mount formed of a stopper having a thrust flange joined to a first end of a stem portion with an axial bore extending there through and a centering portion inclined between an overhanging portion of the flange and the stem portion; a part-spherical coupler presented on the stopper thrust flange opposite from the stem portion; a substantially resiliently deformable plug having an axial bore extended there through; an elongated shaft extendable through the respective axial bores of the stopper and the plug and having a threaded portion thereof extendable from a second end of the plug; an end cap having with an axial bore there through and being structured with an anti-rotation mechanism operable for resisting rotation of the end cap relative to the plug; and means for reversibly moving the end cap along the elongated shaft relative to the stem portion of the stopper.

Abstract: A fitting (1) for a blood circulating circuit (4) of a dialysis machine has a first ans a second mouth (8, 9) for connecting the fitting (1) to a first ans a second portion (2, 3) of the blood circulating circuit (4) respectively; the fitting (1) defining a third portion (10) of the blood circulating circuit (4) by means of a tuby (6) by which to determine the absorption of electromagnetic waved by the blood, and by means of a chamber (7) having a wall (15) movable as a function of the pressure of the blood.

Abstract: For use in closing a cylindrical passageway through a working member in which the passageway is defined in part by a reduced diameter internal circumferential sealing surface and an internal locking groove, a completion plug having a plug body with a cylindrical external surface receivable within the cylindrical passageway of the working member and having an external circumferential sealing surface dimensioned to radially compressibly engage the working member internal circumferential sealing surface. The plug body has on its cylindrical surface an external locking groove. A locking ring is received in the working member internal locking groove and simultaneously in the plug body external locking groove and serves to lock the plug body within the working member.

Abstract: A flange cover comprised of an end cap portion and an annular sidewall portion, said sidewall portion being comprised of a flexible polymeric material, and said end cap portion being comprised of a polymeric material of lesser flexibility than said sidewall portion.

Abstract: A piping riser protector for protectively covering the end portion of a riser assembly that includes a larger diameter central pipe and a plurality of smaller diameter peripheral pipes connected by a flange includes a polymeric body that protectively covers inner and outer surfaces of an end portion of the larger diameter pipe and provides enclosures that cover the exposed end portion of the smaller diameter pipe sections in between the end of each smaller diameter pipe section and the flange.

Abstract: The present invention provides a method and apparatus for removing a test plug from a vent when positioned at a remote location with respect to the vent. The apparatus includes a cover having a handle section and base, the cover being visible from a remote location with respect to the vent. The apparatus further includes a retainer coupled to the cover by a connecting sleeve. The test plug is maintained between the cover and retainer and is removable from the vent by forcibly engaging the apparatus with a retrieval device configured to extend from the remote location to the vent.

Abstract: A plug kit of sealing apertures. There is: a first plug, including: a first solid cylindrical flexible member, having: a first end with a first diameter; and a second end, opposite the first end, the second end having a second diameter smaller than the first diameter, wherein the diameter of the first solid cylindrical flexible member decreases step-wise along a length of the first solid cylindrical flexible member; and a second plug, including: a second solid cylindrical flexible member, having: a third end with a third diameter, wherein the third diameter is larger than the first diameter; and a fourth end, opposite the third end, the fourth end having a fourth diameter smaller than the third diameter, smaller than the first diameter, and larger than the second diameter, wherein the diameter of the second solid cylindrical flexible member decreases step-wise along a length of the second solid cylindrical flexible member.

Abstract: A coupling used during testing of a water line including an upstream pipe and a downstream pipe connected by the coupling. A removable barrier disk prevents water from flowing through the connected pipes until after testing, when the disk is then detached from the body member of the coupling. A piercing assembly interacts with a groove near the perimeter of the disk to initiate a tear that propagates along the groove as the disk is pulled away from the body member of the coupling. The piercing assembly is attached to the disk by a fulcrum element offset with respect to a center of the planar disk.

Abstract: A plastic tubing organization system is provided that facilitates easy identification of the terminal ends of the tubing while also including an end cap that protects the pipe from contamination and facilitates installation thereof. The system generally includes an indexing card with a plurality of receiver positions therein and a plurality of end caps removably received within the receiver positions on the indexing card. Further, the end caps are coded to match the receiver positions thereby allowing easy correlation between the tubing bearing the end cap and the receiver position on the indexing card.

Abstract: This device will prevent intrusion of rainwater, groundwater and other unwanted fluids into a sanitary sewer system thereby alleviating the load on the sanitary sewer, collection, transmission and waste water treatment facilities thereby reducing costs.

Abstract: The invention relates to a protective cap (9) for sealing a collecting vessel of a condenser closed by means of a sealing stopper (4).

Abstract: A leak testing device to be positioned adjacent one or more conduits comprises a generally cylindrical body defining a recess therein and including first and second end portions for cooperating with an end portion of a conduit. The body includes an opening between the first and second end portions. A sealing door or a test door is selectively positioned in the opening. A diaphragm member including a through hole is provided to be positioned within the body. A valve is operably connected to the diaphragm member for selectively opening or closing the through hole to thereby permit or restrict the flow of a fluid therethrough. A window for viewing the interior of the body for troubleshooting, diagnosis, etc., may optionally be provided. The opening in the body receives the diaphragm member and the test door when leak-testing a conduit, or the sealing door when connecting one or more conduits in a fluid communication.

Abstract: A plumbing line test plug includes a plug body adapted to plug an interior diameter of a plumbing line. The body has a wet face, which is exposed to liquid when in use, and a dry face, which is opposed to the wet face. A flexible pressure responsive annular membrane extends outwardly and rearwardly from the wet face. Hydraulic pressure of liquid in the plumbing line, forces the flexible pressure responsive annular membrane into sealing engagement with interior walls of the plumbing line.

Abstract: A combination cap and plug member that includes a first end, a second end, and an outer surface portion between the first end and the second end and configured to be received in an opening of a hollow member. The cap and plug member further includes a first tapered cavity and a second tapered cavity. The first tapered cavity includes an opening at least partially defined in the first end. The first tapered cavity defines an inner dimension that increases toward the first end, and the first tapered cavity is configured to receive a member. The second tapered cavity includes an opening at least partially defined in the second end. The second tapered cavity defines an inner dimension that increases toward the second end, and the second tapered cavity is configured to receive a member.

Abstract: A plug assembly for a tube includes a tapered wedge and a sleeve. The sleeve fits over the wedge and is placed in a tube. Relative movement of the wedge and the sleeve causes the sleeve to expand and plug the tube. The exterior surface of the wedge and the interior surface of the sleeve include annular grooves. One or more compression rings in either the grooves in the sleeve or wedge permit motion of the sleeve relative to the wedge only toward the large diameter portion of the wedge. This prevents the sleeve from separating from the wedge after being installed in a tube.

Abstract: An expandable pipe stopper for inserting within a pipe having two rigid circular plates adapted to be inserted wholly within a pipe and an outwardly-expandable flexible seal located between peripheral surfaces of the plates so as to be capable of expanding radially. A projection is rigidly secured to or integral with a first of the plates and extends slideably through an aperture defined by the second plate. The stopper also includes a lever pivotable about an axis through the projection and cam means rigidly secured to or integral with the lever such that the lever is pivotable between a first orientation in which the flexible seal is relatively undistorted and a second orientation in which the cam means force the plates towards each other so as to axially compress and radially expand the seal for engaging with sealing contact with the wall of a pipe. A member is rigidly secured to or integral with part of a remote peripheral surface of one of the plates.

Abstract: The present invention relates to the headset top-cap of the bicycle and more particularly for storage of location transmitters therein. The transmitters within the bicycle headset top-cap will be used to recover stolen bicycles. It can also be used as an asset tracking device. The increased area needed to contain the transmitters and respective components will be accomplished by altering the construction of the top-cap. The components within the top-cap will be accessed through a panel located on the top-cap. The top-cap will be secured to the bicycle by the use of a tamper-proof or locking bolt. An electrical connection within the top-cap will provide the transmitting ability of the device. The top-cap will maintain all rudimentary functions of previous model top-caps.

Abstract: A method of performing a servicing operation within a pipeline comprises positioning a swellable component about at a desired location within a pipeline, exposing the swellable component to a swelling agent within the pipeline, expanding the swellable component into sealing engagement with the pipeline, thereby forming a seal across the pipeline, and opening a fluid pathway through the pipeline without removing the swellable component. Another method of performing a servicing operation within a pipeline comprises inserting into the pipeline a pipeline tool comprising an externally mounted swellable component, propelling the pipeline tool through the pipeline to about a desired location via a flow of fluid, expanding the swellable component into sealing engagement with the pipeline at about the desired location, and opening a flow path through the pipeline tool.

Abstract: A method of performing a servicing operation within a pipeline comprises positioning a swellable component about at a desired location within a pipeline, exposing the swellable component to a swelling agent within the pipeline, expanding the swellable component into sealing engagement with the pipeline, thereby forming a seal across the pipeline, and opening a fluid pathway through the pipeline without removing the swellable component. Another method of performing a servicing operation within a pipeline comprises inserting into the pipeline a pipeline tool comprising an externally mounted swellable component, propelling the pipeline tool through the pipeline to about a desired location via a flow of fluid, expanding the swellable component into sealing engagement with the pipeline at about the desired location, and opening a flow path through the pipeline tool.

Abstract: A method and system are shown for protecting the threaded ends of tubular goods such as oil field tubulars from physical damage and corrosion due to environmental factors. A thread protector is formed of a polymeric body having cylindrical wall portions which engage the threaded ends of the tubular goods. Instead of relying upon a separate thread compound or corrosion inhibitor applied to the exposed threads, the polymeric body has incorporated therein a corrosion inhibiting compound, which is blended within the polymeric body as a part of the manufacturing process used to mold the polymeric body. The thread protector of the present disclosure includes a weather barrier to minimize exposure of the threaded ends of the tubular goods to moisture and other contaminants. The weather barrier includes a weather barrier ring and an air vent.

Abstract: A coupling assembly for inserting into and coupling with the end of an open pipe, such as a cleanout pipe used in plumbing systems and wherein the coupling assembly may be used as a plug. The coupling assembly includes a collar secured around a medial portion of the cylindrical body of reduced diameter. The collar is driven downward by threadable advancement of a plurality of screws for squeezing a seal against the collar and a downwardly and outwardly projecting shoulder which causes the seal to expand outward to seal against the inner wall of the pipe. The screws simultaneously bite into the inner wall of the pipe to help secure the coupling assembly in place.

Abstract: A test fitting for installation in a plumbing system comprises an annular sleeve having opposed first and second open ends and an inner surface that defines an open interior space and a hole. A cord has a first portion removably positioned in the sleeve's interior space and a second portion extending through the hole for removing the cord from the interior space through the hole. The first portion of the cord forms a watertight spiral disc that extends across the interior space to define a first area completely separated from a second area, and an outer edge of the spiral disc may be supported by a ledge extending from the inner surface into the interior space. Means are included for selectively sealing the hole after the cord is withdrawn through the hole, such as a plug complementary to the hole.

Abstract: A closure includes a hub having a bore in fluid communication with the port of a vessel. A door is removably positioned within the bore of the hub, and a locking ring is threaded with the hub thread for moving the door to a closed and circumferentially sealed position against the shoulder. At least one rotatable actuator element, such as a plurality of gears, engages the locking ring and is rotated to rotate the locking ring. A breaker bar or impact wrench could be used to rotatable drive the actuator elements.

Abstract: An apparatus and method for isolating the end of a segment of pipe, which includes a substantially cylindrical body, having first and second ends, and a circumference slightly less than the inner diameter of the pipe segment; a pair of spaced apart inflatable seals positioned around the wall of the body; means for introducing a fluid into the inflatable seals through separate lines under sufficient pressure so that the inflatable seals are inflated against the wall of the pipe segment defining an annular space between the inflated inflatable seals; a line for introducing a fluid into the annular space under pressure to test the integrity of the seal between the inflatable seals and the pipe wall, and having a dual function to capture fluid which may have entered the annular space as a result of a inflatable seal failure; a line through the body for allowing fluid to flow through the line at predetermined times and pressures; and a plurality of bolts on the first end of the body which would engage the inner wa

Abstract: A pipe plug apparatus configured for insertion into a section of pipe and adapted to radially expand so as to engage the inner surface of the pipe and form a positive seal therewith. The pipe plug is preferably configurable from a non-sealing configuration wherein radially expandable seals are relaxed by application of pressure from a compressed fluid, to a spring biased sealing configuration automatically upon release of the pressure. A positive seal is automatically formed and maintained by spring biased axial compression.

Abstract: A method and device for preventing water from penetrating into the rising part/intermediate section (12) of a pipe (6) when laying the pipe (6) on or near the seabed (8) by means of a pipelay vessel (1), and where a plug (22) that seals against, travels and locks in the inside passage of the pipe (6) is arranged inside the pipe (6) between the lay vessel (1) and the seabed (8), where during normal pipelaying the plug (22) is displaced in the pipe (6) so as to essentially maintain its relative position relative to the pipelay vessel (1), and where in the event of water flowing into the pipe (6), the plug (22) is locked in the pipe (6), whereby water is prevented from filling the rising part/intermediate section (12) of the pipe (6).

Abstract: A core spray T-box attachment assembly for a core spray nozzle includes a primary cruciform wedge and a secondary cruciform wedge in contact with the primary cruciform wedge to form a cruciform wedge subassembly adapted for insertion within a bore of the core spray nozzle to sealingly engage an interior converging portion of a safe end of the core spray nozzle. The assembly includes a spider in contact with the cruciform wedge subassembly, and a draw bolt engaging an axial bore of a center portion of the cruciform wedge subassembly and the spider to the T-box.