Abstract: A connection assembly for coupling a soft tubing to a tubular element of a torque fitting comprises a barbed connector and a shell adapted to contain the barbed connector. The barbed connector comprises a neck having a barb disposed on an exterior surface of the neck and a substantially cylindrical sealing portion disposed between the barb and a tubing end of the neck. The barbed connector further comprises a mating surface adapted to form a fluid-tight seal when compressed against a mating end of the tubular element. A tubing connection comprises the connection assembly having a length of soft tubing attached to the neck of the barbed connector and a tubular element compressed against the mating surface of the barbed connector.

Abstract: A device including a first member joined to a second member, the joining being carried out via a compliant material having an alloy with at least two materials selected from silver, gold, and palladium, the second member being a shrink ring of the first member.

Abstract: A manual spray head can be connected with a flexible hose line by means of a coupling that has a ball-and-socket joint inserted between the manual spray head and the hose line. This arrangement not only increases the mobility and flexibility between the manual spray head and the flexible hose line, but also permits twisting of the manual spray head relative to the hose line without fear of unscrewing the screw-type connection or similar coupling provided between the manual spray head and the hose line.

Abstract: A flange structure (10) is provided for a fuel supply unit of a vehicle. The flange structure includes at least one electrically conductive fuel port (16?) having a periphery and first and second ends (22, 23). The first end (22) includes first barb structure (28). A plastic flange (20?) is overmolded on at least a portion of the periphery of the fuel port between the first and second ends. A portion of the flange overmolded on the portion of the periphery of the fuel port defines fitting structure (25) having second barb structure (27). A hose (30) is coupled with the first end of the fuel port and with the fitting structure with the first and second barb structures engaging the hose thereby preventing fuel or fuel vapor from passing between the periphery of the fuel port and the overmolded flange.

Abstract: Embodiments of the present invention generally relate to flow meters and more particularly to improved plastic water flow meters for commercial or residential use. In various embodiments, a plastic water meter is provided that may include metal threads for connecting the water meter to a water system. In particular, the plastic water meter may include at least one spud that is shaped to receive and engage a plastic spud insert, in which the plastic spud insert may include a metal ring with a threaded outer surface. The plastic spud insert may include an annular lip portion extending outwardly to discourage removal of the metal ring when the spud insert is engaged with the water meter. Furthermore, the plastic spud insert and the inner surface of the metal ring may have complementary circumferential profiles to discourage relative rotation between the metal ring and the spud insert.

Abstract: A hose connector (19, 59) for the assembly in a housing opening (13) of a tank of a portable handheld work apparatus is formed as one piece and has a base plate (20). A sealing rim (21) for mounting in the housing opening (13) is provided on the base plate (20) at a first side (57). The hose connector (19, 59) has at least one connecting channel (31, 32) which projects through the base plate (20) and which, at least at one end, has at least one connecting stub (24, 24?, 25, 26, 26?) for connecting to a hose line. A first connecting stub (26, 26?) is fixed within the sealing rim (21) on the base plate (20) and has a pull-off protector (54). The pull-off protector (54) is at a distance (e) to the base plate (20) perpendicularly to the plane of the base plate (20) which is greater than the distance (f) of the lower edge (51) of the sealing rim (21) to the base plate (20). The lower edge (51) faces away from the base plate (20).

Abstract: Arrangement for a hose system (11) comprising an inner main hose (12) and an outer cover hose (13) delimiting a ring shaped air filled volume (14) designed to make the hose bouyant in water. At least at one end there is a connector (15) attached to the main hose as well as the cover hose, and which at its free end is attached to, or integrated with, connector part (16) for connection of the hose system (11) to an external system. The connector (15) comprises:—an inner sleeve (22), to which the end of the main hose (12) is attached to, as the inner sleeve (22) by its free end (26) is equipped with an element, in particular threads, for connection to a pipe system—an outer sleeve (16) with to which the end of the cover hose is attached—a connector element (30) for connecting the inner sleeve (22) detachably to the outer sleeve (16), and a connection between the two hose parts (12, 14) comprising a one way valve which allows draining the outer hose (14) to the main hose (12).

Abstract: A fitting for sealingly connecting to a pipe end of a pipe comprising a plastic material, comprising a base member and a support member, wherein the base member is made of a metal, and the support member is designed as a separate part made of plastic. The base member comprises means on the inside thereof, and the support member comprises means on the outside thereof for connecting the base member and the support member in a sealing fashion. A system comprising such a fitting with a composite or multi-layered pipe and a sleeve, or such a filling with a plastic pipe and a sleeve.

Abstract: A system for forming a fluid connection includes a first connector and a second connector. Both connectors include a tubular body having a membrane mounted on a distal end thereof. A support member facilitates the coupling of the connectors together so that the membranes are abutted together. Radiant energy is applied to the abutted membranes so as to first sterilize the membranes and then melt the membranes so that a passage is formed therethrough.

Abstract: A dual-purpose engine fitting is provided that may be used both during engine testing and during engine use, for vehicles with vacuum assisted brakes and for those without. The fitting has a body portion configured to fit within an opening in the manifold and defining a passage having opposing first and second ends. The fitting has a seal portion enclosing the first end of the passage. The second end of the passage is open to the manifold when the body portion is fit within the manifold. A thinned wall joins the body portion and the seal portion, establishing a predetermined fracture region at which the seal portion will separate from the body portion when sufficient torque is applied to the seal portion to thereby open the first end of the passage. A method of assembling vehicles is also provided.

Abstract: A method of making a hose is provided that includes providing a fitting configured to receive a hose liner therethrough and configured to receive a material configured to be bonded to the hose liner. The method includes receiving the material in the fitting, drawing the hose liner through the fitting, and bonding the material to the hose liner such that the hose liner and material are secured to an outer face of the fitting.

Abstract: Embodiments of the present invention generally relate to flow meters and more particularly to improved plastic water flow meters for commercial or residential use. In various embodiments, a plastic water meter is provided that may include metal threads for connecting the water meter to a water system. In particular, the plastic water meter may include at least one spud that is shaped to receive and engage a plastic spud insert, in which the plastic spud insert may include a metal ring with a threaded outer surface. The plastic spud insert may include an annular lip portion extending outwardly to discourage removal of the metal ring when the spud insert is engaged with the water meter. Furthermore, the plastic spud insert and the inner surface of the metal ring may have complementary circumferential profiles to discourage relative rotation between the metal ring and the spud insert.

Abstract: The present invention provides an attachment for emitting water from a water source. The attachment comprises an inlet end, a transitional section connected to the inlet end, an outlet end connected to the transitional section opposite from the inlet end, and a reinforcement member attached to the transitional sectional and the outlet end to support the transitional section. The inlet end includes an external cover and an internal sleeve disposed within and spaced from the external cover.

Abstract: A connection structure for a resin pipe, in which leakage of fluid from between a metal pipe and the resin pipe fitted on the metal pipe is prevented for a long time. In the connection structure, at least two diameter-expanded sections (10, 11) are formed with a spacing on an end region of a metal pipe (1), the spacing between the two diameter-expanded sections (10, 11) functioning as a circumferential groove (12) in which a seal ring (SR) is received, and a resin tube (2) is fitted up to a position beyond a far side diameter-expanded section (11) of the two diameter-expanded sections (10, 11). A back ring (BR) is received in the circumferential groove (12) together with the seal ring (SR). The diameter-expanded sections (10, 11) of the metal tube (1) are formed by bulging or spool shape-forming process.

Abstract: An elbow barbed fitting for use with flexible pipe and the like is provided with a barbed fitting drive cap for cooperating with a compatible drive tool, such as a socket or nut driver. The barbed fitting drive cap is configured as a hexagonal cap, square cap, star cap or other common driver shapes. The barbed fitting drive cap is positioned on the fitting body opposite the opening to the barbed end, but coaxially aligned with the barb. The cross-sectional body width of the barbed fitting drive cap is narrower than a corresponding width of the fitting body for exerting a drive force on the fitting body. Alternatively, the elbow barbed fitting is provided with a drive recess configured as a hexagonal recess, slotted recess, cross point recess, square recess, star recess or other common driver shapes for cooperating with a compatible driver. Common elbow fitting types include 90° or 45° ells.

Abstract: A pipe end connector which connects a first tubular member to a second tubular member while securing sealing properties. The pipe end connector is characterized by comprising: a heat-shrinkable tube (4b) made of Teflon (registered trademark) with which the outer surface of an end part of a ceramic tube (1) having a zeolite film attached thereto and the outer surface of an end part of a metallic tube (5) are covered while keeping the end part of the ceramic tube (1) having a zeolite film attached thereto being connected to the end part of the metallic tube (5); and a heat-shrinkable fluororubber tube (3b) which is disposed between the outer surfaces of the ceramic tube (1) having a zeolite film attached thereto and of the metallic tube (5) and the heat-shrinkable tube (4b) and which has solvent resistance and the property of swelling in solvents.

Abstract: A cap for a fluid coupling is provided that includes a stem member adapted for insertion into the fluid coupling and a cover member connected to the stem member. The cover member includes an internal cavity sized to receive the fluid coupling such that the fluid coupling is positioned between the stem member and the cover member. The internal cavity is defined by a wall having at least one of a longitudinally extending groove and a longitudinally extending protrusion.

Abstract: Fuel port structure (10) of a fuel pump (20) includes a fuel port (12) having a periphery (14), an internal portion defining a fuel passage (16), and a free end (18). An electrically conductive grounding structure (22) has a first portion (24) disposed at least partially within the fuel passage and a second portion (26) extending from the free end. A fuel delivery tube (28) is coupled to the periphery of the fuel port at the free end thereof. The fuel delivery tube has an electrically conductive portion (30) in contact with the second portion of the grounding structure to provide a discharge path for static electricity created when fuel flows through the fuel passage.

Abstract: A connector is provided for connecting a flexible conduit with a second conduit having a barbed outer surface. The connector accommodates the end of the flexible conduit and the end of the second conduit in a manner which prevents removal of the flexible conduit and the second conduit from the connector. Optionally, the connector has a ring that may be used to apply additional pressure and security to the outer surface of the flexible conduit. additionally, the connector may have a wireless enabled communication and optionally, memory device such as a RFID tag attached or affixed to it.

Abstract: An endform connector having an axial bore through which a fluid is conveyed comprising: a rigid tubular member having a first terminal end, a second terminal end, a channel having an inner diameter extending from the first terminal end to the second terminal end through which a fluid is transported, a stem portion extending a fixed distance from the first terminal end, and at least one sealing member extending radially outward from the stem portion forming a radially increasing surface having a tapered profile terminating in a rim, which exhibits an ellipsoidal perimeter, adapted to be inserted into an inner channel of a fluid transport hose; wherein the endform connector is sealed to the fluid transport hose; and, a connector portion on the second terminal end adapted to be coupled with a fluid conveying structure.

Abstract: An endform connector having an axial bore through which a fluid is conveyed. The endform connector contains a rigid tubular member having a first terminal end, a second terminal end, a channel having an inner diameter extending from the first terminal end to the second terminal end through which a fluid is transported, a stem portion extending a fixed distance from the first terminal end, and at least one sealing member extending radially outward from the stem portion forming a radially increasing surface having a tapered profile terminating in a rim, which exhibits an asymmetric perimeter, adapted to be inserted into an inner channel of a fluid transport hose, wherein the endform connector is sealed to the fluid transport hose; and a connector portion on the second terminal end adapted to be coupled with a fluid conveying structure.

Abstract: An undersea hydraulic coupling member having a bore liner that protects the coupling members from galling during assembly or disassembly. The bore liner is removable from the bore of a female undersea hydraulic coupling member. The bore liner may be integral with a seal section that may seal with a male undersea hydraulic coupling member. The bore liner also may have an outer diameter configured to engage and interlock with the bore in which the bore liner is positioned.

Abstract: Embodiments of the present invention generally relate to flow meters and more particularly to improved plastic water flow meters for commercial or residential use. In various embodiments, a plastic water meter is provided that may include metal threads for connecting the water meter to a water system. In particular, the plastic water meter may include at least one spud that is shaped to receive and engage a plastic spud insert, in which the plastic spud insert may include a metal ring with a threaded outer surface. The plastic spud insert may include an annular lip portion extending outwardly to discourage removal of the metal ring when the spud insert is engaged with the water meter. Furthermore, the plastic spud insert and the inner surface of the metal ring may have complementary circumferential profiles to discourage relative rotation between the metal ring and the spud insert.

Abstract: The application relates to a device in accordance with fluid technology (1), having at least one connecting body (2), through which at least one fluid-carrying conduit (5) extends and to which an elastic fluid-carrying hose (3) can be connected by means of a connecting arrangement (16). The connecting arrangement (16) contains a holding slide (25), which is displaceably seated on the connecting body (2) and through which a pass-through opening (32) extends, which has an insertion section (33) and a holding section (34), which is narrower than the latter. The connected fluid-carrying hose (3) itself has been directly inserted through the pass-through opening (32) of the holding slide (25) into the fluid-carrying conduit (5).

Abstract: A pipe nipple has a bore therethrough, with an entrance chamber at one end of the bore having a larger diameter adjacent a drive configuration of narrower diameter for receiving a tool therein to rotate the nipple about its longitudinal axis. The exterior of the nipple has a surface formation as a stop against which a hose can be inserted over the nipple, and a threaded length for attaching the nipple to another device.

Abstract: A connector for the connection of hoses, comprising a first connection stub having a first free end for receiving a first hose, and a second connection stub for receiving a second hose. The first hose has an inner diameter that is smaller than the inner diameter of the second hose, and the second connection stub is provided with a shoulder that, in a direction toward the second free end, decreases from a first outer diameter to a second outer diameter, with the first outer diameter being larger than the inner diameter of the first hose. The second outer diameter can be smaller or the same as the inner diameter of the first hose.

Abstract: A hand-held sprayer includes an at least partially hollow shaft section, a liquid dispensing section and a hollow connecting plug element for connecting a hose extension to the hand-held sprayer. The connecting plug element is arranged within shaft section and can be fastened by a fastening element plugable through at least one opening from the outside into the shaft section and the connecting plug element has a groove running circumferentially around its outer periphery which the fastening element engages when the connecting plug element is fastened to the shaft section.

Abstract: A quick connector includes: a connector body having a retainer holding portion, a tube connecting portion to be press fitted into a tube, and a housing between the retainer holding portion and the tube connecting portion, the tube connecting portion being formed with a plurality of annular projections being axially spaced apart from each other; and a retainer which is held in an axially fixed state by the retainer holding portion. A portion of an outer surface of the tube connecting portion extending from the annular projection, which is closest to the housing, toward the housing is formed into a tapered surface whose diameter is gradually enlarged toward the housing, and a diameter of an annular projection side of the tapered surface is set to be larger than a diameter of the outer surface of the tube connecting portion between the annular projections.

Abstract: An assembly includes a first member having an inner surface and a second member having an outer surface. One of the two members has greater rigidity than the other member and at least one groove. The rigid member is partially received within the less rigid member and a coupling mechanism provides radially inward pressure to generate a seal between the inner surface of the first member and the outer surface of the second member. The groove includes an opening and a base each having a predetermined width. The predetermined width of the opening is generally less than the predetermined width of the base. The more rigid member may comprise an insert with a surrounding sleeve wherein the sleeve includes the grooves.

Abstract: In one embodiment, a high-pressure hose nipple includes a nipple body adapted on a first end for mating assembly with and providing a path of fluid communication to external piping, the nipple body adapted on a second end for selective assembly with and providing a path of fluid communication to other external piping, where a channel through the body provides a path of fluid communication between the first end and the second end, and a cylindrical bore disposed within the body at the second end where a diameter of the cylindrical bore exceeds an outside diameter of the external piping so that the external piping may cooperate with the hose nipple in a linear amount exceeding the outside diameter of the external piping.

Abstract: A fitting for formation of a fluid-conducting connection on a container (1) of plastic, in particular a tank for receiving a fluid, specifically a hydraulic fluid, has a connection part in the form of a hollow element (5) with a jacket (21). The jacket extends along a longitudinal axis of the hollow element (5) between its ends (7, 23). The hollow element (5) is embedded in the plastic of the wall (3) of the container (1). An open end (7) of the hollow element (5) on the edge of an opening (9) in the container (1) and at least one partial area of the jacket (21) of the hollow element (5) are enclosed by the plastic of the wall (3) of the container (1).

Abstract: A hose connection piece is disclosed having a region for the reception of a hose end, wherein a peripheral sealing groove is provided on the outer side of the hose connection piece for the sealing of the hose connection. Also disclosed is a hose coupling having a hose connection piece, having a press-fit holder and having an insert, wherein the insert rests in the press-fit holder, wherein—the assembly case—the insert and the press-fit holder enclose the hose connection piece with the hose end pushed thereon, wherein—in the securing case—the insert holds the hose, wherein the hose connection piece can be moved from the assembly case into the securing case by application of external, radial pressure and wherein the length change of the insert on the transition from the assembly case into the securing case is lower than that of the holder. Further disclosed is a hose fitting having a hose connection piece having a hose coupling.

Abstract: A connector assembly for interconnecting separate sections of tubing, e.g., medical tubing. Connector assemblies are a two-piece construction having a connector pin and a connector sleeve. The connector sleeve includes a first end, a second end, and a passageway extending between the first and second ends. The passageway is stepped, e.g., defined by both a bore of a first diameter and a bore of a second diameter.

Abstract: The invention provides a coupling endpiece engageable by force in a corrugated end of a corrugated tube having corrugations following one another at a predetermined pitch and possessing a minimum inside diameter and a maximum inside diameter. The endpiece is constituted by a tubular body possessing a first zone provided on the outside with at least two annular barbs of the Christmas-tree type that are spaced apart by a distance corresponding to the pitch of the corrugations of the tube and having a maximum diameter greater than the maximum inside diameter of the tube, the first zone presenting between the barbs a minimum diameter greater than the minimum inside diameter of the tube, and the body has a second zone extending immediately behind the barbs to receive at least one end corrugation of the tube and having an outside diameter less than a diameter of a junction zone between two annular barbs. The invention also provides a corrugated tube fitted with such an endpiece.

Abstract: An endform connector having an axial bore through which a fluid is conveyed comprising: a rigid tubular member having a first end, a second end, an annular channel having an inner diameter extending from the first end to the second end through which a fluid is transported, a stem portion extending a fixed distance from the first end, and at least one sealing member extending outward from the stem portion forming a surface having a tapered profile terminating in an outwardly extending rim, which exhibits an asymmetric perimeter adapted to be inserted into an inner channel of a fluid transport hose, wherein the endform connector is sealed to a fluid transport hose; and a connector portion on the second end adapted to be coupled with a second fluid conveying structure, and a method for assembling an endform connector to a hose are described.

Abstract: An endform connector having an axial bore through which a fluid is conveyed comprising: a rigid tubular member having a first end, a second end, an annular channel having an inner diameter extending from the first end to the second end through which a fluid is transported, a stem portion extending a fixed distance from the first end, and at least one sealing member extending outward from the stem portion forming a surface having a tapered profile terminating in an outwardly extending rim, which exhibits an ellipsoidal perimeter adapted to be inserted into an inner channel of a fluid transport hose, wherein the endform connector is sealed to a fluid transport hose; and a connector portion on the second end adapted to be coupled with a second fluid conveying structure, and a method for assembling an endform connector to a hose are described.

Abstract: A hose clamping assembly comprises a branched pipe having a plurality of projected stoppers thereon, each of the stoppers formed around an outer surface of each branch of the branched pipe and spaced apart a certain distance from each other, a hose connected to each branch of the branched pipe by sliding onto each of the branches, the hose contacting a nearest stopper from the end portion of the branch among the plurality of stoppers, a clamp formed on an outer surface of the hose and between the stoppers by a molding apparatus, a portion of the clamp on the outer surface of the hose connected to a portion of the clamp between the stoppers and an arm connecting the clamp to an adjacent clamp having a different axial direction, the arm formed by the molding apparatus.

Abstract: A hose device includes a hose portion (3), at least a first end portion (2) and a channel (5) which extends along the hose device (1) through the first end portion and the hose portion. The hose device has flexible and elastic properties. The first end portion (2) of the hose device is in a mounted state arranged to be attached to a tubular connection member (7) by having the connection member introduced in the channel (5). The hose device has a transition portion (4), which is located between the first end portion (2) and the hose portion (3). The channel (5) thus extends also through the transition portion and has, at the transition portion (4), in a non-mounted state a non-circular cross-sectional shape and in the mounted state a substantially circular cross-sectional shape, which permits a free liquid flow through the channel (5).

Abstract: A connector, for attachment with a hose, having a generally tubular shaped longitudinal nipple with a proximal and distal end and a bore extending therethrough. The nipple has an exterior surface that defines an outwardly extending annular protuberance located between both ends. The connector also includes a clip, for attachment with the nipple, having a base portion connected with at least two longitudinally extending legs. The base portion has an axial opening, a radial opening, a support bar with a first and second end, a first and second arm portion attached to the support bar first and second end respectively, both arm portions including a set of locating fingers and one of the at least two longitudinally extending legs. Each locating finger has an inner surface is adapted to mate with the annular protuberance. The at least two longitudinally extending legs are radially outwardly distanced from the nipple and have an outer surface adapted to receive a compressible clamp.

Abstract: A connecting coupler which reduces the risk that an endotoxin or the like enters a dialysis solution and that the connecting coupler itself is deformed including a body made of an elastic material in which a tip portion of a connection plug of a dialyzer can be removably fitted into a plug-receiving opening portion of a solution transferring passage inside the body; a line connector which is fitted into the body and communicates with the solution transferring passage; a coupling tube which has a fixing portion fixedly fitted on the tip portion of the body and a coupling portion projecting from the fixing portion toward a front in an axial direction and removably fitable onto the connection plug; and a fixing mechanism which releasably fixes the coupling tube to the connection plug.

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.

Abstract: An insulated transition spool apparatus for mounting unheading devices to pressure vessels, such as coker vessels, and enabling repetitive operation thereof is disclosed. The apparatus comprises an outer housing, an inner housing that encloses an insulating space between the inner and outer housing, a side feed entry aperture in each housing and a spool adapter flange to facilitate attachment of the spool to the vessel.

Abstract: An improved fitting having an improved flexible tubing tip to connect to flexible tubing, e.g., FUNNY PIPE brand polyethylene pipe, used for sprinkling systems and other fluid delivery systems. According to one aspect of the present invention, one or more annular barbs are positioned at or toward the back of the portion of the fitting inserted into the flexible tubing, with a threaded or spiral or helix portion being positioned at the front of the portion of the fitting inserted into the flexible tubing. According to another aspect of the present invention, the threaded or spiral or helix portion of the fitting is slightly tapered to facilitate insertion into the flexible tubing. According to yet another aspect of the present invention, a double helix spiral thread is used.

Abstract: An insertion sleeve for a pipe coupling. The coupling includes a rigid stiffener tube in a fixed position within a shell, the stiffener tube having an external diameter less than the internal diameter of a pipe to be secured by the coupling. The insertion sleeve includes a cylindrical portion having an external diameter less than the internal diameter of the pipe, a first end of the sleeve which may be axially inserted over the stiffener tube, and a second end of the sleeve having a shoulder to abut the pipe after axial insertion of the pipe over the first end and the cylindrical portion and having a tapered opening in angular relation to the axis of the cylindrical portion.

Abstract: The invention relates to a connector fitting (3), for a high pressure hose (1), which comprises at least two components and has a connector unit (4), for connecting to a high pressure hose (2). The connector unit (4) may be connected to one of several different designs of coupling unit (5), which are destined for the connector unit (4). The connector unit (4) has a shaped nipple on the end away from the coupling unit (5), which fits in the facing open end of the high pressure tube (2). The high pressure tube (2) is thus sealed tight in a ring gap, defined by the outer surface of the nipple (7) and the inner surface of a clamping ring (9) which may be pressed onto the connector unit. According to the invention, the connector fitting (3) is characterized in that the connector unit (4) and the high pressure tube (2), sealed in the ring gap, may be rotated relative to each other.

Abstract: A connecting structure and method for affixing an open end of a tube composed from thermoplastic resin material(s) to a tube connecting portion of a quick connector having a cylindrical geometry and at least one annular stopper on the cylindrical outer circumference thereof with said tube connecting portion being adapted to be press fitted into said open end of said resin tube. The connecting structure comprises; an annular band composed of elastomeric rubber which surrounds the open end of said resin tube adjacent the location of attachment to said quick connector having a length at least about equal to the diameter of the cylindrical outer circumference of the quick connector and a diameter such that a tightening force is applied to the resin tube upon press fitting said tube connecting portion into the open end of said resin tube to prevent disengagement therefrom. The connecting structure forms an integrated assembly with the tube connecting portion of the quick connector.

Abstract: A coupling for fuel system components including a female connector having an elongated tube portion that terminates in an opening for receiving a male connector. The opening has an inner diameter that is less than the outer diameter of the male connector such that the female connector stretches to accommodate the male connector and thereby form a seal. The female connector has a unitary structure formed by injection molding of a somewhat resilient plastic material.

Abstract: A preferred apparatus for connecting a fitting to a conduit section comprises a rigid insert designed to be affixed to the fitting and one or more retainers designed to fit over the external surface of the conduit section. A preferred insert includes at least two axially-spaced, raised detents. Suitable retainers include rigid, one-piece collars and clamps. An especially preferred method for connecting the coupler fittings and the section of pipe comprises the steps of positioning a one-piece collar over the external surface of the conduit section; pressing the insert into a receiving end of the conduit section; and pushing the one-piece collar along the external surface of the conduit section toward the receiving end to substantially align the one-piece collar between two axially-spaced, raised detents on the insert. Most preferably, a seal is positioned between the two axially-spaced, raised detents.

Abstract: A connection for a tube is formed by placing a coiled spring around an end of a tube and inserting a barbed tubular portion from a connection into the tube. The connection forces the tube to expand applying pressure against the coil spring and forcing it to expand and exert radial pressure against the tube towards the inserted tubular portion.

Abstract: A first adapter is configured so as to include a cylindrical body. The cylindrical body of the first adapter is formed with a tube connecting portion on one axial side thereof and a hose connecting portion on an opposite axial side thereof. A first resin tube is connected to the tube connecting portion. A rubber hose is fitted on the hose connecting portion of the first adapter so as to overlap a connecting end portion of the first resin tube. And then a tightening band is tighten around an outer periphery of the rubber hose on the tube connecting portion.