Abstract: Construction of a sealed connection between an elastomeric or synthetic polymer flexible pipe or hose and a metallic coupling member. The coupling member surrounds an armor layer at a free end of the flexible pipe or hose. A sealing area is defined by a recessed portion of the pipe coupling into which a sealing material is introduced. An inner liner layer of the flexible pipe or hose may extend into the sealing area where it is bonded to the sealing material. The sealing material and the inner liner layer may each be comprised of a semi-crystalline thermoplastic material. Furthermore, a reinforcement material may be provided in the inner liner layer.

Abstract: A wing nut may include a body having a first part extending from a first end surface to a parting line and a second part extending from the parting line to a second end surface. A passage may axially extend through the body, the passage defining an interior surface of the body. An internal threaded section may be formed on an interior surface of the first part. An internal shoulder may be formed on the interior surface of the second part. A stress relief may be formed on the interior surface of the second part between the internal shoulder and the parting line. A rib may extend inward from the interior surface of the second part, the rib being intermediate the stress relief and the internal threaded section. At least one lug may extend radially from the exterior surface of the body.

Abstract: An intake structure of a vehicle is provided to prevent engine oil from flowing back along a nipple. The structure includes an intake hose which is mounted between an air cleaner and a compressor of a turbo charger. A pocket part, in which the oil comprised in a blow-by gas through the nipple is collected, is formed on the inner sidewall surface of the intake hose. The intake structure prevents the oil existing in the recirculated blow-by gas from flowing into a fresh air nipple.

Abstract: The present invention relates to a tube connecting device in particular for tubes having a flared end. Tube connecting device comprising a tube having a flared end defining a front surface and a rear surface; a threaded sleeve having a through opening for receiving the tube, a connector having a conical seating surface for receiving the front surface of the flared end and a threaded portion being meshable with the threaded sleeve, a ring arranged between the rear surface of the flared end and the threaded sleeve when the threaded sleeve is screwed. The tube connection device of the invention is characterized by the ring is fixed to the rear surface of the flared end before the tube connection is made and the ring maintains its fixation along the connection is made.

Abstract: In metal-on-metal sealing structures, the sealing criteria employed for high pressure liquid fuel does not work when sealing gaseous fuels. A technique for sealing a gaseous fuel between gaseous fuel conduits in an internal combustion engine includes forming a contact band between two surfaces of a sealing structure between a first conduit and a second conduit. A width of the contact band is at least equal to the larger of a minimum contact pressure width where contact pressure is at least equal to a predetermined minimum contact pressure; and a minimum yield zone width where at least one of the two surfaces have plastically deformed.

Abstract: A seal assembly for an HVAC system includes a first block having a first aperture and a first sealing surface, a second block having a second aperture and a second sealing, and a conduit having a tube portion with an axially extending aperture and a flange extending radially outwardly from an end of the tube portion. The tube portion is disposed within the first aperture of the first block and the flange is disposed between the first sealing surface of the first block and the second sealing surface of the second block and is configured to deform when compressed therebetween. The seal assembly further includes an insert providing fluid communication between the aperture of the tube portion and the second aperture of the second block. A first end of the insert is received in the aperture of the tube portion of the conduit.

Abstract: A housing projection is formed at a bottom of a second reservoir hole in a housing. According to this, a tip side in a press-fitting direction of a sleeve tends to deform inwardly in a radial direction and escape from the housing in a process of press-fitting the sleeve 88 into the second reservoir hole, since an inner slant part of the tip side of the sleeve contacts to a contacting surface of the housing projection, deformation of the tip side of the sleeve 88 is suppressed.

Abstract: A driven pile comprising a substantially cylindrical shaft, wherein the shaft provides a first pile end and a second pile end, wherein a socket is arranged on the driven pile in the region of the second pile end, wherein the socket or the driven pile has an abutment in the region of the second pile end so that a further driven pile can be inserted with a first pile end as far as a maximum insertion depth defined by the abutment, wherein the socket and/or the driven pile in the region of the second pile end provides or provide in the interior at least one undercut portion extending at least substantially to the abutment.

Abstract: A quill connector for a fuel system in an engine includes an elongate quill body defining a fuel conduit having a proximal accumulator segment, and a flow limiter subassembly, for limiting oversupplying of a pressurized fuel, positioned at least partially within the accumulator segment. The subassembly includes a seat component attached to the elongate quill body and supporting a guide component wherein a hydraulically actuated valve and a biaser are disposed. The valve is movable to a closed position during supplying pressurized fuel to a fuel injector, to interrupt a flow of the pressurized fuel thereto.

Abstract: The system includes a collar (10) and a washer (28), the collar having a tightenable band (12) suitable for co-operating with bearing surfaces (16, 18) of the interconnected tubes (1, 2) via its inside periphery defining a setback (14). The washer (28) is secured to the collar and the system further includes first pre-fitter (38) for acting when the collar is in the non-tightened state to secure the collar to the first tube when the bearing surface (16) of the first tube is engaged in the setback (14). The clamping system further includes second pre-fitter (40) for acting, when the collar (10) is secured to the first tube (1) by the first pre-fitter (38), to secure the collar to the second tube (2) when the bearing surface (18) of the second tube (2) is also engaged in the setback (14).

Abstract: A brake line assembly including a brake hose and a connector assembly. The connector assembly includes a tube having a portion thereof the tube externally threaded; a flare nut defining a bore and through which the tube is inserted; and a fitting defining a bore configured to receive an end of the brake hose therein. A portion of a wall defining the fitting's bore is disposed adjacent the fitting's first end and is internally threaded. The threaded portion of the tube is engaged therewith. The fitting is disposed a distance from a flare on the tube adjacent a first end of the flare nut and when the flare nut is fixedly engaged with a component of the braking system, the distance between the fitting and the second end of the flare nut is sufficiently large enough to permit a head of a flare-nut wrench to be received therein.

Abstract: A consumable ceramic liner can be used for connecting a gas outlet channel of a remote chamber to a gas inlet channel of a substrate cleaning chamber. The ceramic liner comprises an inlet cylinder having an outer diameter sized to fit in the gas outlet channel of the remote chamber, and an outlet cylinder connected to the gas inlet channel of the substrate cleaning chamber. A conical flare joins the inlet cylinder to the outlet cylinder.

Abstract: A liquid phase diffusion bonded pipe joint comprised of metal pipes or a metal pipe and a joint pipe joined by liquid phase diffusion bonding, the liquid phase diffusion bonded pipe joint comprised of a metal joint provided with a tapered slanted part press-fit into an end of a metal pipe by a thrust in a pipe axial direction while expanding the metal pipe in inside diameter and tightly engaging with the end and a joining surface part continuing from the tapered slanted part and joined with an end face of the metal pipe by liquid phase diffusion bonding and a metal pipe tightly engaging with the tapered slanted part in the expanded state and with an end face joined with the joining surface part by liquid phase diffusion bonding.

Abstract: A fluid coupling member (11) includes a housing (20) having a bore (35). A poppet (41) is slidably disposed in the bore (35). The poppet (41) engages a generally cylindrical seating surface (36) to close the bore when the poppet (41) is in a closed position. The poppet (41) is moveable in one direction to a first opened position (FIG. 3) against the bias of a spring assembly (42, 43, 44) when the fluid coupling member (11) is connected to a second coupling member (12). The poppet (41) moves in the opposite direction to a second opened position (FIG. 2) against the bias of the spring assembly when the fluid coupling member (11) is disconnected from the second coupling member (12). A filter (246) (FIG. 7) includes an enlarged diameter portion (246c) disposed in a conical opening between an enlarged diameter bore portion (239b) and a flaring member (250).

Abstract: Bushings, sealing devices, tubing, and methods of installing tubing are provided. One aspect of the invention provides a bushing having one or more axially-extending tongues. Another aspect of the invention provides a sealing device for connecting a length of tubing. The sealing device includes a body member defining a sleeve portion and a bushing arranged to be received in the sleeve portion. The bushing includes one or more tongues adapted and configured to be received over at least one layer of the tubing.

Abstract: Each of two exhaust pipes has a flared flange with the flange on one pipe spaced from the pipe's end edge forming a corner with the pipe's end segment. A triangular seal between the two flanges abuts the pipe segment and corner. One flange has an outer convex spherical surface and a concave inner spherical surface which engages the outer convex spherical surface of the seal at a contact point. Two depending conical legs of a U shaped in section band clamp engage and force the flanges and pipe corner and end segment against the seal. A clamp leg engages the outer convex spherical surface of the one flange at a tangential contact point. The one clamp leg, the one flange and the seal exhibit two tangential respective contact points defining a plane normal to that flange providing enhanced stress concentration on the seal and flanges.

Abstract: A tube and fitting assembly can be used in a domestic appliance, such as an oven range, and includes a tube provided through an internal bore of a fitting. The tube includes a first end that is outwardly flared against a shoulder of the fitting via plastic deformation. The inner wall of the tube adjacent the outwardly flared portion is threaded and can be fastened to an orifice such that an internal bore of the orifice is in fluid communication with the tube.

Abstract: A flow restriction or metering device for a refrigerant system includes a crimped or otherwise formed tubular insert that is installed within a standard flare fitting. The flare fitting can be similar to those used for coupling two refrigerant lines, or the fitting can be part of a service valve, such as those used for charging, discharging, or servicing refrigerant systems. The insert provides a fixed orifice having a predetermined flow coefficient. The insert is removably clamped within the fitting and extends into a refrigerant line that connects to the fitting.

Abstract: According to the present invention, a connection structure of a corrugated pipe comprises a corrugated pipe, a clamping nut located outside the corrugated pipe, a confinement ring mounted on a valley of the corrugated pipe and held in position of the clamping nut, a connection body having an insertion portion inserted into the clamping nut and having male threads threaded to the clamping nut, and a packing member located between an end of the corrugated pipe and the insertion portion to compress and deform the end of the corrugated pipe when the clamping nut is clamped and to provide sealing between the end of the corrugated pipe and the insertion portion. Since the packing member provides sealing between the insertion portion of the connection body and the end of the corrugated pipe, a gap may minimally occur and reliability is increased.

Abstract: A pipe joint includes a first pipe that includes a first flange and a second pipe that includes a second flange. A first sleeve is installed within the first pipe and a second sleeve is installed within the second pipe. Further, an annular ring is positioned between the flange of the first pipe and the flange of the second pipe. The annular ring includes a first hub that extends into the first pipe and a second hub that extends into the second pipe. Moreover, a first complementary engagement structure is formed between the first sleeve and the first hub of the annular ring. The first complementary engagement structure provides a first seal interface within the pipe joint. A second complementary engagement structure is formed between the second sleeve and the second hub of the annular ring. The second complementary engagement structure provides a second seal interface within the pipe joint.

Abstract: A fluid connector assembly comprising (a) a connector body having an inner concave seat having a portion defining a frustoconical surface; (b) an elongate tube having a flared end; and (c) a nut; wherein the connector body is adapted to receive the elongate tube and the nut to form a substantially rigid connection, and wherein the flared end of the tube and the frustoconical surface of the seat are engaged so as to form a fluid seal between the body and the tube; and wherein the flared end has a portion defining an abutment surface having a borderline region in abutment with the frustoconical surface of the inner seat of the body; and wherein the abutment surface of the flared end is a spherical surface.

Abstract: High pressure hydrogen fittings are provided. In one embodiment, the high pressure hydrogen fitting includes a pipe having flange near one end; a nut surrounding the pipe on a low pressure side of the flange, the nut having threads mating with threads on a valve body; a lip seal surrounding the pipe on a high pressure side of the flange, the flange supporting the lip seal, the lip seal pointing toward the valve body, the lip seal having a cylindrical sealing surface, the cylindrical seal surface engaging the valve body; wherein when the pipe containing hydrogen is connected to a valve body, a seal is maintained at a pressure of up to about 87.5 MPa. Methods of sealing a pipe to a valve body are also described.

Abstract: In a resin pipe joint having a configuration where, by a screw advancement of a union nut caused by screwing an internal thread to an external thread in a state where a tube is externally fitted to an inner cylinder to form a flared portion, a flaring changing region is pressed by a seal pressing portion, a torque varying portion in which projecting portions of a joint body and recess portions of the union nut are fitted to or unfitted from each other by a flexural displacements of the projecting portions in the direction of the axis in accordance with fastening rotation of the union nut from the vicinity of a portion in front of an end of the screw advancement, the screw advancement being caused by pressing of the seal pressing portion against the flaring changing region is configured.

Abstract: A flared screw fitting has a pipe expanded in an end section into a tulip flare. A connecting piece has a conical stop face situated on an end section, which is joined in the direction of a forward front face of the connecting piece by a groove. An internal mantle surface of a union element contacts an external mantle surface of the tulip flare in an area whose smallest diameter is larger than the smallest diameter of the stop face of the connecting piece. The union element may be provided with an external threaded section which works together with an internal threaded section of the connecting piece.

Abstract: A flare nut includes a nut main body having a outer surface and a circular cylinder portion provided so as to extend from the nut main body to one opening end of an insertion hole along the insertion hole in a circular cylindrical shape having a major diameter smaller than the nut main body.

Abstract: A consumable ceramic liner can be used for connecting a gas outlet channel of a remote chamber to a gas inlet channel of a substrate cleaning chamber. The ceramic liner comprises an inlet cylinder having an outer diameter sized to fit in the gas outlet channel of the remote chamber, and an outlet cylinder connected to the gas inlet channel of the substrate cleaning chamber. A conical flare joins the inlet cylinder to the outlet cylinder.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adapter, the adapter having a tubular member defining a longitudinal passage having a longitudinal axis for fluid flow; a body for receiving the tubing, the body positioned opposite the adapter and aligned with the longitudinal axis; a sealing member positioned between the adapter and the body; a retainer positioned external to the sealing member, the retainer receiving the adapter and receiving the body; a first flange located near the adapter and a second flange located near the body; and a fastener for drawing the first flange and second flange towards each other.

Abstract: A resin pipe joint in which, although an economical configuration formed by two components or a joint body and a union nut is employed, both a resistance against pulling and an excellent sealing property can be attained is provided.

Abstract: The present invention is an improved flared cone fitting of the type having a male portion and a female portion having a tube, an inverted conical annulus, a nut, and a joinder portion. It is improved by the joinder portion including a back-side annular face, which may define a void. The joinder portion may also include an abutment intended to contact a shoulder of a fitting nut and properly direct forces exerted on the nut.

Abstract: The present invention provides a brake-line fastener adapted for secure engagement of a vehicle braking component with a tubular member, the brake-line fastener including an operator interface and a directional surface associated with one end of the brake-line fastener for rapid manual engagement between the brake-line fastener and the braking component utilizing a complementary threaded receiver.

Abstract: A fluid coupling for a fuel system in a direct injection internal combustion engine having a body with a ball portion and a fluid passageway extending through the ball portion. The body also includes external threads which extend concentrically around the ball. A tube has an outwardly flared end while both a ferrule and a nut are disposed over the tube. The nut includes internal threads which threadably engage the external threads on the body so that, upon tightening, the nut compresses the outwardly flared portion of the tube in between the ferrule and the ball thus sealingly coupling the tube to the body in fluid communication with the passageway formed through the ball.

Abstract: A tube nut includes a first member and a second member. The first member is threaded and defines a first hole. The second member is selectively rotatable with respect to the first member and defines a second hole. A tube or pipe extends through the first and second holes. The rotation of the first member in a threaded hole causes an axial load on the second member and the tube to urge the tube against a seat to provide a seal between the tube and a fluid passage. Relative rotation between the first and second members reduces or eliminates torsional strain on the tube.

Abstract: A fluid connection assembly (10) includes a metal tube (22) having a flared end and a plastic manifold (12) having a port (14). The port (14) includes an annular collar (16) and an annular recess (18) that receives a seal (20). The metal tube (22) is arranged over the port (14) and engages the seal (20). The flared end of the metal tube (22) abuts the annular collar (16) of the port (14) when the metal tube (22) is installed. A plastic retainer (28) is molded over the annular collar (16) of the port (14) and the flared end of the metal tube (22) to retain the metal tube (22) axially on the port (14) of the manifold (12).

Abstract: A line set for a heat regulating system for circulating a refrigerant. The line set may include a first tubing member made of at least one of aluminum and aluminum alloys. The first tubing member may include a first end capable of engaging with a first service port of an evaporator assembly and a second end capable of engaging with a second service port of a compressor assembly. The line set may include a second tubing member made of at least one of aluminum and aluminum alloys. The second tubing member may include a first end portion capable of engaging with a third service port of a condenser assembly and a second end portion capable of engaging with a fourth service port of an evaporator assembly. The first tubing member and the second tubing member may be configured to circulate the refrigerant in the heat regulating system.

Abstract: An improved liquid infiltration adapting structure for preventing liquid infiltration around a gate valve box. The structure has an annular tube structure that is tapered to more easily receive a mating pipe. The tube structure may also comprise at least one bead for further securing the mating pipe. The adapting structure is also improved by providing a stepped inner flange for ease of installing the structure around the gate valve box.

Abstract: A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is disposed on one surface or both surfaces of the integrated piping plate, and the instrument and the component, or the instrument, or the component are or is connected by fluid channel grooves formed in joining surfaces of the plates, and communication holes formed in the plates. The machining method welds the joining surfaces of the plates around the entire periphery of the fluid channel grooves, for example, by an FSW welding machine, to join the plates. Compared with joining of the plates by an adhesive, the machining method can increase the durability of the plate joining portion and increase pressure resistance. Also, the method can increase work efficiency and further downsize the integrated piping plate.

Abstract: A sealing device and method for sealing a length of tubing with a fitting is provided, where the sealing device includes at least one sealing surface formed with a plurality of ridges. The ridges include at least one end ridge and at least one internal ridge which are spaced apart by a predetermined distance, and formed with a desired geometry such as U-shaped, V-shaped, or various other shapes and with different sealing faces such as curved or flat. The ridges are spaced apart in a manner to maximize sealing pressure, and produce stress concentrations and localized deformations, in order to create a seal at lower torques or on stiffer tubing or tubing with at least one minor defect such as a dent or weld. The sealing device is particularly useful for sealing an end corrugation of tubing in a fitting used in gas and liquid piping systems.

Abstract: A sealing device and method for sealing a length of tubing with a fitting, where the sealing device includes at least one sealing surface formed with a plurality of ridges. The sealing device is particularly useful for sealing at least an end corrugation of tubing in a fitting used in gas and liquid piping systems. The fitting is sized to maintain a generally circular shape of the end corrugation after the corrugation is collapsed between the ridged sealing surface and another sealing surface. In particular, an inner diameter of one or more components of the fitting can be sized such that the corrugated tubing will have a circular profile to provide an optimal seal.

Abstract: A flared end structure formed by processing an end part of a metal tube which is pressed against a seat formed in a member by tightening a coupling nut to the member. The flared end structure has a joining end part to be pressed against the seat of the member, and a curved part continuous with the joining end part. The curved part has an outer surface having a curved area, and a concave inner surface having a bottom edge. The curved area of the outer surface has a radius of curvature smaller than the wall thickness of the metal tube.

Abstract: A fitting for use with metal tubing in a jacket, the fitting including: an adaptor having exterior threads at a first adaptor end, the adaptor having a longitudinal passage for fluid flow; a body having interior threads at a first body end, the interior threads engaging the exterior threads to secure the body to the body in a first body cavity; and a jacket lock ring positioned at a second body end, the jacket lock ring including barbs for engaging a surface of the jacket.

Abstract: An orifice holder assembly provides a boss connected by at least one arm to a base having an outlet therethrough. The boss is provided below the outlet. A tube is inserted through the boss until a bead contacts a first boss surface and the tube end is then deflected to form a lip where the lip and the bead connects the tube to the boss. An orifice body is then inserted in the tube end.

Abstract: A connecting tube structure comprises a connecting tube, screw nuts, check valves, and a rotary water-sealing device wherein the connecting tube has a stop plate at one end to mount to a grooved seat of the rotary-sealing device and a cavity at the other end for the accommodation of one check valve with a movable plug supported by a spring to shut off water discharge from the faucet and prevent the return of dirty water. The rotary water-sealing device, having watertight O-rings adapted to the upper section and a V-shaped expanding side wall extending at the lower section, is sealed to the bottom and internal surface of the shower head and enclosed by the screw nut secured to the shower head, providing high-and-lower pressure water-sealing benefit as well as rotation in 360 degrees to prevent the connecting tube from getting twisted up and hindering the smooth transport of water supply.

Abstract: A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is disposed on one surface or both surfaces of the integrated piping plate, and the instrument and the component, or the instrument, or the component are or is connected by fluid channel grooves formed in joining surfaces of the plates, and communication holes formed in the plates. The machining method welds the joining surfaces of the plates around the entire periphery of the fluid channel grooves, for example, by an FSW welding machine, to join the plates. Compared with joining of the plates by an adhesive, the machining method can increase the durability of the plate joining portion and increase pressure resistance. Also, the method can increase work efficiency and further downsize the integrated piping plate.

Abstract: A connector includes a structure for receiving the tubing and a mechanism for releasably retaining the tubing over the tubing receiving structure. The structure for receiving the tubing includes an exterior surface with portions of the exterior surface of the structure defining a tapered section and at least one ring. The mechanism for releasably retaining the tubing over the tubing receiving structure is releasably engagable with the tubing receiving structure. Portions of the mechanism define a longitudinal bore through which the tubing can be inserted. The mechanism includes an interior surface with portions of the interior surface defining a tapered section. When the tubing is positioned over the tapered section and the at least one ring of the tubing receiving structure and the tubing receiving structure is engaged with the retaining mechanism, at least two fluid seals are created or present.

Abstract: A water pipe includes a pipe main body made of a synthetic resin and an annular metal inner piece inserted into an end of the pipe main body. The inner piece has its diameter increased from the inside of the pipe main body so as to increase the diameter of at least a part of that portion of the pipe main body which corresponds to the inner piece. The inner diameter of the inner piece the diameter of which has been increased is almost the same as that of a portion of the pipe main body which is not enlarged by the inner piece.

Abstract: The present invention is an improved flared cone fitting of the type having a male portion and a female portion having a tube, an inverted conical annulus, a nut, and a joinder portion. It is improved by the joinder portion including a back-side annular face, which may define a void. The joinder portion may also include an abutment intended to contact a shoulder of a fitting nut and properly direct forces exerted on the nut.

Abstract: A conductive pipe and a pipe connector assembly include a connection member, a coupling member and a hard conductive pipe which has at least one expanded portion at one end. The connection member is a tubular element and has at least one connecting portion which has a chamfered angle at one end to be tightly coupled with the expanded portion. The coupling member also is a tubular element and has at least a coupling portion to be coupled with the connecting portion and a chamfered surface in the tubular interior. When the connection member and the coupling member are coupled together, the expanded portion is tightly coupled with the chamfered angle. The pipe connector may be used on a liquid cooling apparatus and/or a liquid conveying pipe thereof to connect any two conductive pipes or connect the conductive pipe with a liquid cooling apparatus.

Abstract: A flared screw fitting (1) has a pipe (3) expanding in an end section to form a tulip flare (11) and a connecting piece (2) having a conical stop face (15) situated on an end section, which is a joined in the direction of a forward front face (27) of the connecting piece (2) by a groove (16) for an elastic sealing ring (17) and on which an internal mantle surface (14) of the tulip flare (11) of the pipe (3) is supported, by which the sealing ring (17) is pressed into the groove (16) in the final mounted state of the screw fitting, furthermore, the tulip flare (11), using a union element adjoining its external mantle surface (19), which works together via a threaded section with a corresponding threaded section on the connecting piece (2), may be pressed against the stop face (15) of the connecting piece (2) in the course of tightening of the screw fitting.

Abstract: A connector for sealing an elongated tube to a body comprises a seat having a spherical end portion wherein the connector body is adapted to receive the elongated tube to form a substantially rigid connection such that a flared end of the elongated tube may engage the spherical end portion of the seat to form a fluidic seal.

Abstract: A connecting portion (10c) of a container (10) of a catalyst converter is formed with a joining portion (15) to be joined to a joining portion (16) of a flange member (11) by spinning working, and the joining portion (15) formed by the spinning working is joined to the joining portion (16) of the flange member (11) by friction welding. One of the connecting portion (10c) of the container of the catalyst converter and the flange member (11) is extended so as to be disposed radially inward of the joining portions (15) and (16).