Abstract: A plug having a longitudinal axis includes a plug body having a generally flat sealing surface on an axial end thereof, and a protuberance extending from the axial end generally concentric with the longitudinal axis. The protuberance has a first section contiguous with the plug body, and a second section having a hub portion contiguous with the first section and a plurality of generally evenly spaced arms extending outward from the hub portion. An underside surface of each arm faces the sealing surface of the plug body and has a generally flat portion and a ramped nub thereon projecting toward the sealing surface. The plug may be inserted into a compatible socket having tabs and rotated about the longitudinal axis for sealable engagement with the socket.

Abstract: Embodiments of the present disclosure are directed to connection assemblies providing a connection between a tubing a port. The port can be disposed within and particularly extending through a bore of the port. The port and tube are coupled to provide an aseptic connection.

Abstract: A fuel system includes a fuel injector having an inlet conduit which extends along an inlet conduit axis and has an inlet conduit shoulder which is traverse to the inlet conduit axis. A fuel distribution conduit supplies fuel to the fuel injector, extends along a fuel distribution conduit axis, and has external threads which threadably engage internal threads of a connection nut. The connection nut has an internal shoulder which is traverse to the fuel distribution conduit axis. A retention member is a segment of an annulus and includes a central passage extending axially therethrough. The retention member is terminated in a direction circumferentially about the fuel distribution conduit axis by first and second end surfaces which together form a retention member slot therebetween sized to permit the inlet conduit to pass therethrough in a direction perpendicular to the fuel distribution conduit axis.

Abstract: A swivel fitting adaptor having an elastomeric insert, and a swivel fitting assembly using the adaptor and insert, are disclosed herein. The swivel fitting assembly includes retention and sealing features that allow a barbed fitting, such as a tube, hose or vent fitting, to be installed by hand either before or after the adaptor and insert are installed in a threaded port. It is suitable for use in a variety of low to medium pressure fluid passage and venting applications.

Abstract: The Thermowell extension is an adaptor that works in concert with a Thermowell and an applicable instrument. The adaptor is a male to female coupling that is adapted to interface between an opening of the Thermowell and an existing plug of the Thermowell. The adaptor raises the actual location of the opening into which the existing plug of the Thermowell is affixed in order to accommodate an insulation layer provided over an applicable pipe or conduit. The instrument is still able to extend to the closed end of the Thermowell.

Abstract: The present application relates to a method of manufacturing a tube sheet (7) and heat exchanger assembly for a pool reactor or pool condenser for use in the production of urea from ammonia and carbon dioxide, wherein the method comprises manufacturing of the tube sheet (7) from a carbon steel material grade and providing said tube sheet (7) with corrosion protective layers (8, 9) of an austenitic-ferritic duplex stainless steel grade, wherein the heat exchanger comprises at least one U-shaped tube (13) of an austenitic-ferritic duplex stainless steel grade, the method further comprises inserting at least two sleeves (11) of an austenitic-ferritic duplex stainless steel grade through the tube sheet (7) such that both ends of the sleeve (11) extend in a direction away from the tube sheet (7), the method further comprises connecting the sleeves (11), at least the opposing ends thereof, to at least the protective layers (8,9) of the tube sheet (7) and finally, connecting both ends of the at least one U-shaped tu

Abstract: A heating laser beam is emitted to a cracked portion to remove moisture from the cracked portion, and subsequently, a welding laser beam is emitted to the cracked portion to heat and melt the cracked portion. The heating laser beam and the welding laser beam are emitted to an entire surface of the cylindrical body inside the reactor such as a stub tube penetrating through and fixed to a reactor bottom portion and a crack of the welded portion between the cylindrical body and the reactor bottom portion to thereby prevent a new crack from occurring and reactor water from leaking.

Abstract: A filler neck adapter to be inserted through the open fuel mouth of a capless filler neck of a fuel tank of a motor vehicle. The adapter has a hollow flow body to create a continuous flow path between a source of pressure or vacuum and the fuel tank to enable the fuel tank to be tested for leaks. A resilient seal surrounds the flow body of the adapter so as to lie between movable and stationary seal stops. A force-generating member is moved along the flow body to push the movable seal stop and the seal towards the stationary seal stop. Accordingly, the seal is compressed between the movable and stationary seal stops so as to bulge outwardly towards and thereby create an air-tight seal against the fuel mouth of the filler neck.

Abstract: A steam turbine 10 is comprised of a double-structured casing configured of an outer casing 21 and an inner casing 20, a turbine rotor 23 disposed through the inner casing and having a plurality of stages of moving blades 22 implanted, and a plurality of stages of stationary blades 25 disposed alternately with the moving blades 22 in the axial direction of the turbine rotor 23 in the inner casing 20. The steam turbine 10 is further provided with a discharge passage 30 which externally guides steam, which has flown in the inner casing and passed the final stage moving blades while performing expansion work, directly from the inner casing interior.

Abstract: A compression seal assembly that can be installed on a wall without requiring access to both sides of the wall. The compression seal comprises a core member, a split washer, a gasket, and a first nut. The core member includes a cylindrical body and a flange rigidly attached to the cylindrical body. The cylindrical body includes a smooth cylindrical portion separating the flange from a first set of threads. The split washer is helical shaped and has a first end and a second end. The split washer is ramped through the hole until the split washer is entirely on the first side of the wall. A gasket is then inserted onto the smooth cylindrical portion adjacent the second side of the wall, and the first nut is threaded onto the first set of threads. As the first nut is tightened, the split washer, the wall and the gasket are compressed between the flange and first nut.

Abstract: A liquidtight conduit fitting has a body with an end wall with an opening formed therein; a hollow threaded nipple attached to the end wall, for passage into an electrical box, the body having an outer shell extending from the end wall in a direction opposite the nipple, the outer shell defining an open-ended chamber; a ferrule positioned within the outer shell, a foam gasket positioned within the open-ended chamber adjacent the end wall and around the ferrule, and a conduit locking device having tabs protruding inwardly toward the outer surface of the ferrule so as to contact a conduit positioned around the ferrule, terminating ends of the tabs forming a helical-type pattern so that a conduit positioned around the ferrule is securely held in place by the tabs and so that the conduit can be removed from the conduit fitting by rotating the conduit fitting relative to the conduit.

Abstract: There is disclosed a fitting for vacuum assisted resin transfer molding and an associated method of use. The fitting includes a base, a sealing washer, a sealing nut, and an inner nut. The fitting is adapted such that it may be reused many times without failing and without causing damage to the fitting, the mold or any resulting hardened resin.

Abstract: A burner tube and door assembly for a water heater includes a burner tube and a fuel supply line in telescoping relationship to define a tube junction. The tube junction extends through the door of a water heater. One of the tube and line includes an enlarged portion. A lock ring applies a radially-directed force around a portion of the tube junction. The enlarged portion and lock ring are on opposite sides of the door to secure the door to the burner tube and fuel supply line. The enlarged portion and lock ring apply a compressive load to the door to resist rotation of the door with respect to the tube junction.

Abstract: Disclosed is a penetration fitting unit for seal-connection between a wall and a pipe passing through a wall opening. The unit has a cylindrical sleeve having inlet and outlet ends which internally define a tubular passage. Between the inlet and outlet ends there is at least one limit stop element protruding outwardly from the outer surface of the cylindrical sleeve having a locking ring that can be coupled with the cylindrical sleeve at the outlet end thereby forming a seat for the wall. A heat transfer means is interposed between the limit stop element and the sleeve outlet end. The heat transfer means is placed at a portion of the cylindrical sleeve's outer surface and has a first area at least partially overlapping with respect to the seat for the wall and a second area overlapping with a portion of internal surface of the locking ring.

Abstract: An application for an arced sealing tape has a bottom interfaced to an inner wall. The surface of the inner wall that is closest to a center point of the arc has an adhesive and the bottom surface of the bottom also has an adhesive.

Abstract: A multi-port device such as a thermal expansion valve for an air conditioning system includes a seal structure with a first seal portion and a second seal portion. The first seal portion includes a metal material adapted to provide a primary seal. The second seal portion is attached to a free edge of the first seal portion and adapted to provide a secondary seal. The multi-port device with seal structure militates against leakage during operation of the air conditioning system.

Abstract: A structural component with a tubular section, particularly a structural component of a fluid line, has at least two materials with different stiffness and/or creeping strength, wherein the materials include thermoplastic synthetic materials and wherein the material having the greater stiffness and/or creeping strength is embedded in the other material. The tubular section has a continuous annular surface which extends coaxially with the longitudinal center axis of the structural component and has the same material which has been injection molded over the annular surface in a predetermined quantity ratio relative to the outer material, or between 40% and 100% of the annular surface are composed of the same injection molded material and are distributed in uniform spacings in circumferential direction of the annular surface.

Abstract: An entry fitting system including a generally rigid body configured to extend through an opening of a containment chamber and a generally flexible seal configured to be positioned in the body. The system further includes an insert configured to be coupled to the body and cause the seal to sealingly engage a pipe received through the body, wherein the seal is configured to enable the sealingly engaged pipe to be oriented in a non-parallel position with respect to a central axis of the body.

Abstract: An irrigation pipe connector has a core that is adapted to connect to an irrigation element and a wing that is attachable to a wall of a pipe. The wing is provided with resiliency to allow the connector to deform in response to changing fluid pressures in the pipe. In addition, the wing may be provided with a thin segment in order to reduce potential damage during welding of the wing to the wall of the pipe.

Abstract: An application for an arced sealing tape has a bottom, an inner wall and an outer wall. The surfaces of the inner wall and the outer wall that are closest to a center point of the arc have an adhesive. Likewise, a bottom surface of the bottom also has an adhesive.

Abstract: An application for an arced sealing tape has a bottom, an inner wall and an outer wall. The outer wall has an outward flare extending outwardly from the center. The surfaces of the inner wall and the outer wall that are closest to a center point of the arc have an adhesive and a bottom surface of the bottom also has an adhesive.

Abstract: A seal arrangement for a liquid-tight connection of a connection opening of a liquid-conducting component to a connection piece of a liquid flow device includes a sealing element which is provided in a ring gap that separates the connection piece from an edge of the connection opening. The sealing element has a radially inner sealing point in sealing contact with the connection piece and a radially outer sealing point in sealing contact with the edge of the connection opening.

Abstract: A gas supply coupling is disposed within and extends through an opening of a combustion chamber for a water heater. The coupling includes a fitting which is a relatively inexpensive stamped component. A stepped tubular connection extends from a plate and includes a first portion having a first diameter which necks down to a second portion having a second diameter less than the first diameter. The stepped tubular connection receives a gas supply tube into the first portion and a gas supply line over the second portion. The tubes are braised to the stepped connection. Other gas supply couplings include a machined fitting and a direct connection between a gas supply tube and a gas supply line in which the gas supply tube itself provides for both the seal to the shield and the connection to the gas supply line.

Abstract: A seal member has a configuration including a ring-shaped main body portion, an inner peripheral lip portion protruding from a ring inner peripheral portion of the main body portion and an outer peripheral lip portion protruding from a ring outer peripheral portion of the main body portion. The inner peripheral lip portion takes an O-ring shape deformable in a protruding direction. The outer peripheral lip portion takes a structure deformable in a direction different from an extending direction, corresponding to a pressure in a sealed area. The member preferably seals when in communication with a plurality of spaces separated from an external space, the plurality of spaces from an external environment.

Abstract: A connector includes an outer melt-bonding projection 2 integrally formed with a projecting end 10a of a flange 10 of a base member 1, and an inner melt-bonding member 3 having an upper side 30 unified to a lower surface 10g of the flange 10 of the base member 1 and configured to have an outer lateral side 31 unified to an inner lateral side 20 of the outer melt-bonding projection 2. The outer melt-bonding projection 2 is formed of a first synthetic resin, which is melt-bondable to an outer layer Ta of a fuel tank T, the base member 1 is formed of a second synthetic resin difficult to pass a gas produced from fuel therethrough and adaptable to the first synthetic resin, and the inner melt-bonding member 3 is formed of the first synthetic resin.

Abstract: A network cabinet fitting system includes a grommet, a corrugated tube fitting assembly and a filler panel. The grommet and the filler panel are installed within an opening of a network cabinet top. The fitting assembly is secured around a corrugated tube and inserted into the grommet to seal the opening.

Abstract: A vent apparatus is adapted to be mounted in an aperture formed in a fuel tank. The vent apparatus includes a vent controller sized to extend through the fuel tank aperture and an outer cover coupled to the vent controller and welded to the fuel tank to support the vent controller in the fuel tank aperture.

Abstract: An assembly for establishing a water-tight seal for a conduit passing through a wall or other structure wherein the conduit conveys heated fluid, such as exhaust gasses. The assembly is adapted to minimize the heat transferred to the wall or other structure by creating a circuitous heat transfer path in conjunction with thermally insulating materials.

Abstract: A part for connecting a fluid line to an opening of a container comprised of thermoplastic material or for closing the opening of the container has a first component and a second component of thermoplastic material. The first component has a surface to be connected to the container by forming a welded heat fusion joint. The first component has an insufficient diffusion barrier capability relative to hydrocarbon fuel. Compared to the material of the first component, the material of the second component has higher diffusion barrier capability, reduced swelling capability relative hydrocarbon fuel, higher mechanical strength, and higher thermal shape stability. The first component encloses the second component at least up to an injection location remote from the connecting surface. The material of the second component is injected into the still formable core of the material of the first component via the injection location.

Abstract: A plumbing fitting that is formed so as to be capable of a quick connection to a plastic drainage pipe. The plumbing fitting can be attached to the drainage system with the final plumbing construction and avoids the need for a plumber to make any separate trips to the construction site during wall build out. The plumbing fitting includes a hollow metal spout that has a substantially cylindrical attachment area and a stop. A hollow plastic connector, substantially cylindrical in its outer surface, is attached to the metal spout by sliding the connector into the attachment area of the spout until the connector contacts the stop. The plastic connector can be attached to the spout by a friction or press fitting. The hollow plastic connector is itself formed in an inner surface so as to be capable of attachment to a drain pipe through standard solvent welded female-to-male quick connection.

Abstract: A tank entry fitting for a conduit line passing through a wall includes a housing having a first end portion, a second end portion, and a passageway for receiving the conduit line. The housing further includes a rigid portion that defines a mating surface to form a bonded joint with the wall, wherein the bonded joint forms a fluid tight seal between the housing and the wall. The entry fitting further includes a flexible coupling member having a first end portion coupled to the housing, a second end portion coupled to the conduit line, and a passageway for receiving the conduit line. The flexible coupling member forms a fluid tight seal between the housing and the conduit line. Such an entry fitting provides a rigid portion which is conducive to bonding with the wall, and a resilient portion that provides for relative movement between the conduit line and the wall.

Abstract: A joint for fuel tank is attached to an opening of a resin fuel tank. The joint includes a joint main body and a flanged junction. The flanged junction is connected to the joint main body and is weldable to a periphery of the opening of the fuel tank. The joint main body includes a semi-aromatic polyamide obtained by polymerization of source monomers containing an aromatic monomer component and an aliphatic monomer component. An amount of a terminal amino group of the semi-aromatic polyamide is greater than or equal to 40 ?eq/g. The junction includes a modified polyolefin having: a density in a range of 0.930 to 0.950; and a melt flow rate as measured in accordance with JIS-K7210 in a range of 0.06 to 3.0 g/10 minutes.

Abstract: A fluid-tight fitting between a wall of a fluid containment region or sump, and a conduit or pipe passing through a wall of the sump includes a two part double booted flexible entry boot system which is bonded directly to the interior and exterior sump walls, thus making the inventive boot an actual extension of the sump. The boots are placed within the sump area and are easily accessible. The apparatus provides a continuation of the secondary or annular space of the sump (where so configured) into the penetration device boots.

Abstract: A coupling device (100), particularly for liquid-tight coupling of at least one liquid line (10) to a fluidic system (20), is described, which comprises: at least one sealing device (30), which is implemented to receive an end region (11) of the liquid line (10) and has a first sealing surface (31) for placement on an external surface (22) of the fluidic system in such a way that the end of the liquid line (10) is laterally enclosed by the first sealing surface (31) and points toward an opening (23) in the external surface (22), and a clamping device (40), using which the sealing device (30) may be pressed against the fluidic system (20), so that the first sealing surface (31) produces a liquid-tight connection with the external surface (22).

Abstract: A joint part includes a connection part weldable on the tank and a tube part including an inner circumferential face. An inner tube is fitted inside and in contact with the inner circumferential face. The tube and the inner tube include materials having different swelling rates when exposed to the fuel to be stored in the tank. An end of the tube, and an end of the inner tube corresponding in an axial direction with the end of tube, include slopes therearound in contact with each other. The slopes are inclined from the axial direction. When the tube and the inner tube swell due to being wet with the fuel, the slopes have a relative displacement in the axial direction and in a radial direction of the tube and the inner tube, with contact therebetween.

Abstract: A hydro concrete to pipe sealing arrangement consisting of a main sealing sleeve having a first end and a second end, the main sealing sleeve consisting of two halves which interfit with each other to accommodate dimension variations during forming of a concrete casing wall; a rubber sleeve having a first end and a second end, the rubber sleeve being located on an interior of the main sealing sleeve wherein the rubber sleeve is entirely surrounded by the main sealing sleeve; the rubber sleeve having rings located on an interior surface which face towards the first end of the rubber sleeve, wherein the rings will slant in the same direction as a pipe being inserted, the rings being compressed between the pipe and the rubber sleeve; at least two hydro penetration stopping rings formed on an exterior surface of the main sealing sleeve and extending radially opposite from the rubber sleeve; at least two retainer rings embedded within an interior of the rubber sleeve at the first end and the second end of the rubb

Abstract: A hydro penetration prevention sleeve is used when building a basement wall wherein said basement wall is subject to leakage from ground water especially pipes that have to be placed through the wall. The pipe, mostly a sewage pipe, has to placed into the wall at a height which is just above the sewage pipe located outside the building or house so that gravity can carry the sewage toward the outside pipe. A main sleeve is placed into a concrete casing that will form the wall just prior to casting the concrete into the casting. The sleeve consists of PVC and is made of two halves that interfit with each other and are glued together to accommodate any preset dimension that matches the preset dimension of the concrete forms prior to casting. The main sleeve has an interior hard rubber sleeve that has rings extending to an interior of the sleeve and the rings are slanted in the direction of the insertion of the pipe to be inserted therein.

Abstract: There is provided a plumbing fitting that is formed so as to be capable of a quick connection to a plastic drainage pipe. The plumbing fitting can be attached to the drainage system with the final plumbing construction and avoids the need for a plumber to make any separate trips to the construction site during wall build out. The plumbing fitting includes a hollow metal spout that has a substantially cylindrical attachment area and a stop. A hollow plastic connector, substantially cylindrical in its outer surface, is attached to the metal spout by sliding the connector into the attachment area of the spout until the connector contacts the stop. The plastic connector can be attached to the spout by a friction or press fitting. The hollow plastic connector is itself formed in an inner surface so as to be capable of attachment to a drain pipe through standard solvent welded female-to-male quick connection.

Abstract: A tube joint for a fuel tank includes a joint body having a tubular shape, and a barrier layer covering the inner surface of the joint body. The joint body is formed of a material which is weldable to a tank body, and the barrier layer is formed of a material which has fuel impermeability and a predetermined hardness. The barrier layer has an extension portion extending from a distal end of the joint body along an axial direction of the joint body. The extension portion includes a projecting portion which protrudes radially and outwardly of the extension portion at or adjacent to a proximal end of the extension portion such that a seal groove is formed between the projecting portion and the joint body, and a nail portion which protrudes radially and outwardly of the extension portion at or adjacent to a distal end of the extension portion.

Abstract: A pipe connecting structure for a heat exchanger includes a header tank having a connect opening; a connector block having a passage configured to connect a pipe thereto; an adapter configured to connect the header tank and connector block to each other, the adapter having a first cylindrical part to be connected to the connect opening of the header tank, a second cylindrical part to be connected to the passage of the connector block, and a flange radially extending between the first and second cylindrical parts and being interposed between joint areas of the header tank and connector block; and a brazing material applied to a joint area of the flange to be joined to the header tank and a joint area of the flange to be joined to the connector block, so as to join the header tank and connector block together by brazing.

Abstract: A gas feed pipe connecting screw for a continuous casting nozzle which is mounted to the continuous casting nozzle formed with an axially extending ring-shaped slit concentric with a nozzle bore. The screw connects the nozzle to a gas feed pipe for blowing a gas into the slit. The screw includes a screw body having a gas feed hole formed through its central portion, a flange fitted into a mounting hole formed in a side wall of the continuous casting nozzle, a male thread engaging a first female thread formed in the mounting hole, and a second female thread formed in the gas feed hole for connection of the gas feed pipe. The flange has a detent corner engaging refractory mortar filling the mounting hole.

Abstract: A fitting 5 forms of a fluid-conducting connection in an opening in a plastic wall 3 of a container 1, a tank in particular, for receiving a fluid, a hydraulic fluid in particular. The fitting has a connecting element 17 embedded on the edge of the opening in the plastic of the wall 3 of the container and provided with fasteners 15 accessible from the exterior of the container 1 by which a connection part 11 of the fitting 5 may be mounted on the connecting element 17.

Abstract: A duct coupled air sampling detector housing includes a box to contain the detector. The box has a slotted sleeve adapted to receive tubular conduit having a protruding conduit tab. The conduit upon passing the protruding conduit tab through the sleeve slot is rotated such that the tab rests against a notch in the sleeve end that prevents the conduit from disengaging from the box. A conduit retainer overlies the inner end of the sleeve. A cover seals against the front face of the box to enclose the box volume containing the detector.

Abstract: A fluid line connector includes a length of tubing having a plurality of corrugations formed therealong between opposing tubing ends. A non-corrugated section is disposed along the length of tubing between the opposing tubing ends such that a portion of the plurality of corrugations extends between the non-corrugated section and each of the opposing tubing ends.

Abstract: An article for connecting a fluid conduit and a fluid container includes a receptacle configured to receive the fluid conduit. The receptacle has a base defining an opening for providing communication between the container and the fluid conduit and a sealing surface at least partially surrounded by a wall extending from the base. The wall is also configured to extend about the fluid conduit.

Abstract: This invention relates to a method for mounting micro jets on whirlpool bath surfaces. Micro jets are mounted in the bottom of cups. The cup containing the micro jet is mounted in an opening performed in the whirlpool bath shell. The proposed method is specially interesting for jets located on surfaces where fluid flows are obstructed such as the surface where a person's back rests when someone lies in a whirlpool bath. This method allows manufacturers to install micro jets those whirlpool bath surfaces without having a recessed part. Moreover, it allows to modify easily the fluid jet pattern depending on the consumer's needs. The present invention also concerns recessed micro jets for whirlpool baths and method for mounting the same.

Abstract: A fuel tank connector for connecting a fuel tank and a pipe in communicating fashion includes a gas barrier member made of a synthetic resin and having a gas barrier property. The gas barrier member includes a tubular portion and a flanged portion provided on a peripheral side of the tubular portion, which extends beyond an opening of the fuel tank. The gas barrier member is made of a liquid crystal polymer, aromatic polyamide, a blended polymer of an ethylene-vinyl alcohol copolymer and high-density polyethylene, a blended polymer of polyamide and polyethylene, or a blended polymer of polyamide and high-density polyethylene.

Abstract: A part for connecting a fluid line to an opening of a container comprised of thermoplastic material or for closing the opening of the container has a first component and a second component of thermoplastic material. The first component has a surface to be connected to the container by forming a welded heat fusion joint. The first component has an insufficient diffusion barrier capability relative to hydrocarbon fuel. Compared to the material of the first component, the material of the second component has higher diffusion barrier capability, reduced swelling capability relative hydrocarbon fuel, higher mechanical strength, and higher thermal shape stability. The first component encloses the second component at least up to an injection location remote from the connecting surface. The material of the second component is injected into the still formable core of the material of the first component via the injection location.

Abstract: A through-flange for attaching a pipe to the curved sidewall of a vessel. A flange portion of the through-flange is contoured to match the curvature of the sidewall and thus can be glued directly to the sidewall. A retaining ring also being contoured to match the sidewall is inserted over a tubular portion of the through-flange.

Abstract: A resinous connector includes a flange-shaped base, a nipple, an O-ring, and an O-ring groove. The nipple extends from the base, and has an outer peripheral surface and sealing projections disposed on the outer peripheral surface. The sealing projections have a substantially triangle-shaped cross section whose diameter reduces in the direction away from the base. The O-ring is disposed between the nipple and a hose. The O-ring groove is formed at a root of the nipple in the outer peripheral surface, and is disposed at a position closer to the base than the sealing projection disposed in most proximity to the base. The resinous connector can inhibit the O-ring from being twisted or bruised by the hose.