Abstract: A fixing ring can be pushed onto a hose in such a way that its outside is freely accessible and an inside is in contact with the hose. The inside includes a cylindrically shaped internal thread and the fixing ring includes a holder with an inner diameter, which is smaller than the inner diameter of the internal thread. This provides a reliable process, to fasten a hose on a nozzle of a connector via a fixing ring producible in a simple manner.

Abstract: The invention discloses a first unit (1) for treatment of a bioprocess liquid comprising a first lateral face (2), a second lateral face (3) and a front face (4) which meets the two said lateral faces. The front face comprises: a plurality of valves (7) adapted to receive and act upon one or more legs (8) of a disposable flow path (6); optionally one or more pumps (10) adapted to receive and act upon one or more legs of the disposable flow path; optionally one or more sensors (11) adapted to receive and to measure one or more parameters in one or more legs of the disposable flow path; wherein the plurality of valves and optional pumps and sensors are vertically offset from each other to give one or more legs of a disposable flow path received by said valves and optional pumps and sensors a slope of at least 3.0 degrees from the horizontal plane (h).

Abstract: A pipe fitting joint assembly including a guide sleeve, provided with a first concave-convex structure on the outer wall of one end thereof, a connecting body, provided with a second concave-convex structure on the inner walls of both ends thereof, and an inner gear ring provided with a third concave-convex structure on an inner ring thereof and a fourth concave-convex structure on an outer ring thereof. The inner gear ring is concentrically inserted into the connecting body. The fourth concave-convex structure and the second concave-convex structure are in interference fit. The guide sleeve is concentrically inserted into the inner ring gear of the connecting body. The first concave-convex structure and the fourth concave-convex structure are in clearance fit therebetween using a moving interference manner.

Abstract: Embodiments of a swage connector device and assembly include one or more of a sealing ring, a fastening ring spreader, a retainer grip ring, a cap member and a fastener push ring. The fastener push ring moves axially and engages the fastening ring spreader in order to securely maintain a piping element held within the fitting.

Abstract: An end fitting including an end part of the tubular sheath, an end section of each elongate element, an end vault, and a cover defining a chamber for receiving each end section. The end fitting includes at least one transducer for generating an ultrasonic wave guided in the elongate element, the generation transducer being placed on the elongate element in the receiving chamber, the generation transducer having a volume of less than 200 mm3, in particular comprised between 20 mm3 and 50 mm3.

Abstract: Disclosed is a fluid connection system including a sleeve, a pipe and a fluid connector, the fluid connector including at least one rigid body made from a sterilizable biocompatible material, and the pipe including a flexible connection portion made from a sterilizable biocompatible material that is at least partially elastomeric. The fluid connector and the flexible connection portion of the pipe are assembled to one another, with the flexible connection portion of the pipe surrounding the rigid body, and the sleeve being shrunk tightly, but with free movement, on the pipe.

Abstract: A pipe-connecting device including a resin-made tube and an inner ring. The inner ring has a flared portion and a tip-contracted outer-circumferential flared surface. The tip-contracted outer-circumferential flared surface is press-inserted into an end portion of the tube to cause the end portion of the tube to be flared and deformed. A section shape of the outer-circumferential flared surface in a direction extending along an axis of the inner ring body is formed into a convex curved surface passing through a first place, which is a maximum-diameter portion of the flared portion, a second place, which is the tip end side of the flared portion of the inner ring body, and a third place, which is between the first place and the second place, and in which a diameter is equal to an outer diameter of the tube with respect to the axis.

Abstract: A pipe connecting device having a joint body including a fitting cylinder to which a flared synthetic resin-made tube is to be externally fitted, an external thread formed on a radially outward side of the fitting cylinder; and a union nut including an internal thread screwed with the external thread, and a tube pressing portion that presses a diameter changing portion formed between a flared portion in the tube, and a non-flared portion, in the direction of the axis. In a fastening completion state in which the tube pressing portion is caused to press the diameter changing portion by a screw advancement of the union nut, the screw advancement being produced by screwing the internal thread to the external thread, positions of a basal end of the external thread and a tip end of the union nut in the directions of axes coincident with each other.

Abstract: By previously press-fitting a ring (40) into one end portion (12) of a tube (11), the one end portion (12) is held in the flared state. With an inner cylindrical portion (22) of the joint main body (20) having been inserted into this ring (40) while the one end portion (12) having been press-fitted into a recessed groove (21) to the innermost recess portion, a greatest wall thickness portion (41) of the ring is covered. In this state, with a cap nut (30) being screwed with the joint main body (20), the greatest wall thickness portion (41) of the ring is pressed against the inner cylindrical portion (22) together with the one end portion (12) through an outer cylindrical portion (23), and a hole peripheral edge (34a) of an insertion hole (34) of the cap nut is pressure-contacted with a bent portion (12c) of the tube by the ring (40).

Abstract: A generator having a coupling adapted to couple at least two fluid conduits together; an axial flow channel defined by the hose coupling and having an axis; a conductive coil in the hose coupling enveloping the axial flow channel; a rotor rotatable relative to the conductive coil and encircled by the conductive coil; a plurality of vanes coupled to the rotor and projecting radially toward the axis, but not intersecting the axis.

Abstract: An improved quick connect hose coupling for connecting a hose to a fixture has a hose stem portion including a hose insert portion, a fixture portion including a fixture connection portion, and a joinder portion. The joinder portion includes a male connection portion and a female connection portion. Each of the male connection portion and the female connection portion are adapted to join in a sealing and locking manner upon being pushed together. The coupling further includes threads and wrench mating flats adapted to disconnect the hose from the fixture. It is improved by the male connection portion being a unitary structure having a leading support cylindrical surface, a following support cylindrical surface, and a transition, surface intermediate therein between. The leading support cylindrical surface has a leading radius. The following support cylindrical surface has a following radius. The following radius is larger than the leading radius.

Abstract: A liquid-tight fitting comprising a ground element including a ferrule and a tube that extends from the ferrule to receive a conduit, wherein the tube includes one or more protruding elements that each protrudes from the tube and provides grounding to the conduit, and wherein the ferrule includes a lip portion; a threading element including a first shaft having a circumference sufficient to receive the ferrule portion, wherein the first shaft includes threads; a sealing ring including an opening defined by a tapered portion to seat against the lip portion; and a nut including threads to be received by the first shaft, wherein as the nut is threaded with the first shaft, the sealing ring is compressed onto an outer surface of the wall of the conduit based on a pulling of the nut against the sealing ring toward the lip portion of the ferrule.

Abstract: A coupling device for coupling to a fluid line includes a connector, a sleeve and a fastener. The connector has an end portion configured for insertion into a tube end, and has an outer surface profile that has at least one protrusion at the end portion for engaging an inner surface of a tube when the end portion is inserted into the tube end. The sleeve is configured for positioning at least partially around the connector and the tube end. The fastener threadedly engages a threaded outer surface of the sleeve, and when the fastener is threaded onto the sleeve, the inner surface profile of the sleeve engages the tube at the end portion of the connector to substantially clamp around the tube at the connector. The coupling device includes at least one clamping element for enhancing clamping of the sleeve around the tube at the connector.

Abstract: A quick-mounting pipe structure comprises a first tubular fitting, a coupling sleeve, and a hose assembly. The first tubular fitting includes a locking ball. The coupling sleeve is formed with an inner annular protrusion and internal threads at an inner surface thereof. The hose assembly includes a hose and a second tubular fitting. The second tubular fitting is formed with an annular raised portion, an annular recessed portion, and external threads on its outer surface. The second tubular fitting can be inserted into the first tubular fitting to allow the locking ball to be retained in the annular recessed portion of the second tubular fitting. Additionally, the coupling sleeve can be threadedly engaged with the second tubular fitting, thereby providing additional attachment between the first tubular fitting and the second tubular fitting to prevent the second tubular fitting from being pulled out of the first tubular fitting under excessive force.

Abstract: An inner tubular portion (15) and an outer tubular portion (16) form an insertion space (14) of a plastic pipe (11) and are integrally formed on a joint main body (13). A cap (29) is connected to the outer tubular portion (16) by projection-recess engagement. A retainer mechanism (27) of the plastic pipe (11) is provided between the outer tubular portion (16) and the cap (29). A cutout portion (20) is formed in the outer tubular portion (16), and a bulging engagement portion (24) is arranged on the cutout portion (20). The outer periphery of the bulging engagement portion (24) is connected to the cap (29) by the projection-recess engagement. A restricting portion is provided between the cutout portion (20) and the bulging engagement portion (24). The restricting portion is composed of a first tapered surface (21) and a second tapered surface (25). The first tapered surface (21) is provided on the cutout portion (20) and decreases in width toward the outer end.

Abstract: A sanitary coupling assembly for mounting on a fluid system includes a female coupler and a male coupler. The female coupler has a distal end and a proximal end. The distal end has a first inner threaded surface defining an opening therein to receive an end of a hose. The proximal end has a second inner threaded surface having a polymer coating. The proximal end is configured to matingly engage a complementary structure located on the male coupler.

Abstract: A coupling device for coupling or splicing two fluid lines together includes a connector, a sleeve and at least one fastener. The connector has first and second end portions configured for insertion into first and second tube ends, respectively. The connector has an outer surface profile that includes at least one protrusion at each of the end portions for engaging an inner surface of a tube when the end portion is inserted into the tube end. The sleeve is configured for positioning at least partially around the connector and the tube ends disposed at the first and second end portions. The sleeve has an inner surface profile that generally corresponds with the outer surface profile of the connector, and the sleeve has an outer surface that has at least one threaded portion. The fastener threadedly engages the threaded portion of the sleeve and is tightened thereon.

Abstract: A glueless union suitable for joining piping and other plumbing components. Several components are used to create the union. The portion of each plumbing component that is to be joined is a circular, thick-walled section which is centered on a central axis. This portion has a mating face that is perpendicular to the central axis. The union includes an annular face seal which is compressed between the opposing mating faces of the plumbing components to be joined.

Abstract: A hose fitting assembly is provided, wherein the components are operably engaged with a length of hose to form a sacrificial construction. An end fitting having an insertion stem is disposed within a portion of the hose, wherein a clamping sleeve receiving a length of the hose threadingly engages the end fitting. A swaging collar is slide along the hose to threadingly engage the clamping sleeve, such that complete threaded engagement of the swaging collar and the clamping sleeve circumferentially compress and deform a portion of the clamping sleeve to clamp a portion of the hose intermediate the clamping sleeve and the insertion stem, and partially deformed threads on at least one of the clamping sleeve and the swaging collar. The hose fitting assembly can cooperatively engage a flexible high pressure metal braided hose, wherein the metal braid is formed of a less than full tensile strength steel, such as half hard stainless steel.

Abstract: A thick-wall small-diameter high-pressure fuel injection pipe has a spherical seat surface, an annular flange, and a conical surface continued from the seat surface at a connecting end of the pipe. If the pipe is configured so that t (thickness)/D (outer diameter)<0.3, then an axial distance from the connecting head end to the back face of the annular flange is 0.38D to 0.6D, a spherical radius of the seat surface is 0.45D to 0.65D, the annular flange outer diameter is 1.2D to 1.4D, and an inner peripheral surface of the head has a substantially flat cylindrical surface or a conical surface. If the pipe is configured so that t (thickness)/D (outer diameter)?0.3, then the axial distance from the connecting head end to the back face of the annular flange is 0.38D to 0.7D.

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: In a double-pipe joint for connecting and coupling a double pipe (H) consisting of outer and inner pipes (h2, h1) made of a fluororesin tube, an inner joint portion (T1) for coupling the inner pipe is formed by: a sleeve (2) which is to be pressingly fitted into an inner-pipe end portion (h1t); an inner-pipe joint body (1) which is to be fitted onto the inner-pipe end portion; and an inner-pipe union nut (3A), and an outer joint portion (T2) for coupling the outer pipe is formed by: a sleeve (4) which is to be pressingly fitted into an outer-pipe end portion (h2t); an outer-pipe joint body (3B) which is to be fitted onto the outer-pipe end portion; and an outer-pipe union nut (5). The inner-pipe union nut (3A) and the outer-pipe joint body (3B) are formed integrally into a nut-equipped body (3).

Abstract: A gas riser apparatus, and methods for making and using a gas riser apparatus, utilize a swivel-nut having an annular collar section thereof which includes a radially outwardly opening annular groove therein adapted for swaged/crimped attachment to the remainder of the riser, at an above-ground end of the riser. For risers including a rigid metallic pipe section, the above-ground end of the pipe may be configured for swaged/crimped attachment to the annular collar of the swivel-nut through application of radially inwardly directed pressure on the above-ground end of the rigid riser pipe. For risers not having a rigid metallic section, a swage/crimp collar may be utilized for forming a connection between a flexible metal conduit and the swivel-nut, through application of radially inwardly directed pressure applied to the swage/crimp collar while the collar is disposed about the above-ground end of the flexible metal conduit.

Abstract: A coupling assembly for use with a wire-reinforced elastomeric hose member includes a stem member defining at least one groove and the groove includes first and second walls, a bottom portion and a pair of shoulder portions separated by a width and a shell member at least partially enclosing said stem member and defining at least one axially extending barb member. The barb member includes a tip portion having first and second edge portions. The tip of the barb member is sized relative to the shoulders in said groove to transfer force developed by deflection of the reinforcement wire to compress a liner of the hose at the shoulders through the barb edge portions corresponding to a swaged state of the shell and stem members.

Abstract: In a double-pipe joint for connecting and coupling a double pipe (H) consisting of outer and inner pipes (h2, h1) made of a fluororesin tube, an inner joint portion (T1) for coupling the inner pipe formed by: a sleeve (2) which is to be pressingly fitted into an inner-pipe end portion (h1t); an inner-pipe joint body (1) which is to be fitted onto an inner end of the end portion; and an inner-pipe union nut (3A), and an outer joint portion (T2) for coupling the outer pipe formed by: a sleeve (4) which is to be pressingly fitted into an outer-pipe end portion (h2t); an outer-pipe joint body (3B) which is to be fitted onto an outer end of the end portion; and an outer-pipe union nut (5). The inner-pipe union nut (3A) and the outer-pipe joint body (3B) are formed integrally into a nut-equipped body (3).

Abstract: Hose structures having a rotating unit that rotates a fixture are provided. In this regard, a representative hose structure, among others, includes a tube, a rotating unit, and a fixture. The fixture directs fluid and is attached to an end of the tube. The rotating unit connects the end of the tube to the fixture. The rotating unit includes a male connector that inserts into the tube. The male connector includes a borehole that enables fluid to pass through to the fixture. The male connector further includes an extending member that radially extends outward. The rotating unit further includes a ring that is placed between the fixture and the extending member. The ring is designed to rotate on the extending member enabling the fixture to rotate on the tube.

Abstract: Fitting connections for corrugated metal tubing. The connection includes a body having an externally-threaded end, a nut or other fastener which is threadably engageable with the body end, and a collet which is receivable coaxially within the fastener. The collet is formed as a series of individual, arcuate tangs which are joined together by a retaining collar, the collar allowing the segments to be resiliently opened within the fastener so as to allow the crests of the tubing to pass therethrough. The fitting may be pre-assembled with the collet segments being received coaxially within the fastener with the collar extending rearwardly from the fastener, and with the fastener then being partially threaded onto the fitting body.

Abstract: A gas riser apparatus, and methods for making and using a gas riser apparatus, utilize a swivel-nut having an annular collar section thereof which includes a radially outwardly opening annular groove therein adapted for swaged/crimped attachment to the remainder of the riser, at an above-ground end of the riser. For risers including a rigid metallic pipe section, the above-ground end of the pipe may be configured for swaged/crimped attachment to the annular collar of the swivel-nut through application of radially inwardly directed pressure on the above-ground end of the rigid riser pipe. For risers not having a rigid metallic section, a swage/crimp collar may be utilized for forming a connection between a flexible metal conduit and the swivel-nut, through application of radially inwardly directed pressure applied to the swage/crimp collar while the collar is disposed about the above-ground end of the flexible metal conduit.

Abstract: A joint assembly, including a piping, comprises a joint end sleeve, a tightening ring and a nut. The ring has an external truncated-cone shaped surface and an internal cylindrical surface with a diameter slightly larger than the diameter of the piping, and an internal cylindrical surface with at least one annular edge to cooperate with at least one annular groove in the sleeve in such a way that an inside diameter of the annular edge is substantially equal to the outside diameter of the piping. The nut has an internal cylindrical surface with a diameter slightly larger than the outside diameter of the piping and is disposed opposite a cylindrical portion of the sleeve when the nut is installed. The smaller outside diameter end of the tightening ring is adjacent the internal cylindrical surface of the nut when the nut is installed. An internal truncated-cone shaped surface of the nut has a larger diameter end a size slightly larger than a smaller outside diameter end of the ring.

Abstract: A connector for joining agricultural drip tape. The connector includes a rigid tubular body having a tapered trust conical enlargement at its free end over which the free end of the drip tape is pressed and held by an assembly nut having a single entry female thread that threadably engages the tubular body male threads by a pre-determined angular advance of the assembly nut. The environment of use for agricultural drip tape is one of debris and mud consequently; the assembly nut contains a wiper window opening through which debris and mud are expelled from the connection as the assembly nut advances axially along the threads of the tubular body. Indicia on both the assembly nut and on the tubular body may be relatively positioned depending upon the thickness of the tape to form a consistently reliable seal.

Abstract: In a double-pipe joint for connecting and coupling a double pipe H consisting of outer and inner pipes h2, h1 made of a fluororesin tube, an inner joint portion T1 for coupling the inner pipe is formed by: a sleeve 2 which is to be pressingly fitted into an inner-pipe end portion h1t; an inner-pipe joint body 1 which is to be fitted onto the end portion; and an inner-pipe union nut 3A, and an outer joint portion T2 for coupling the outer pipe is formed by: a sleeve 4 which is to be pressingly fitted into an outer-pipe end portion h2t; an outer-pipe joint body 3B which is to be fitted onto the end portion; and an outer-pipe union nut 5. The inner-pipe union nut 3A and the outer-pipe joint body 3B are formed integrally into a nut-equipped body 3.

Abstract: In a double-pipe joint for connecting and coupling a double pipe consisting of outer and inner pipes made of a resin tube, an inner joint portion for coupling the inner pipe formed by: a sleeve which is to be pressingly fitted into an inner-pipe end portion; an inner-pipe joint body which is to be fitted onto the end portion; and an inner-pipe union nut, and an outer joint portion for coupling the outer pipe formed by: a sleeve which is to be pressingly fitted into an outer-pipe end portion; an outer-pipe joint body which is to be fitted onto the end portion; and an outer-pipe union nut. The inner-pipe union nut and the outer-pipe joint body are formed integrally into a nut-equipped body.

Abstract: A connector for use in securing a length of flexible tubing with another object is set forth. The connector comprises a fitting and a collar. The fitting includes a neck that is adapted to receive the flexible tubing thereon. The neck, in turn, includes an exteriorly disposed barb for engaging the interior walls of the flexible tubing. The collar is adapted to engage the fitting at least about the neck and barb and includes an interiorly disposed flange portion having a contour that is shaped to cooperate with the surfaces of the barb to drive the flexible tubing over the barb and the neck as the collar and fitting are assembled with one another. The shape and contour of the flange portion also cooperates with the surfaces of the barb to provide a compressive force that may be used to provide a seal between the flexible tubing and neck.

Abstract: An annular collet or gripping member radially located within a coupling assembly of the type having a hollow body, nut and an O-ring or seal for connection of a pipe thereto. The collet is axially split, the split defined by first and second generally parallel ends that are of an engageable configuration, typically by one end having a projection and the other end a correspondingly shaped cavity enabling the ends to interlock. In the normal operation of the coupling, the collet exerts a longitudinal force on the O-ring causing a seal. When it experiences an axial force that would normally relatively displace the two ends causing a leak, being engaged to each other this movement is resisted ensuring that the seal is maintained. The present invention also relates to a coupling having such a collet.

Abstract: A reusable fitting, connector assembly and kit. The reusable fitting includes a barb portion, a threaded portion, a tightening portion, a connector portion and a substantially smooth cylindrical bore extending through the barb portion, threaded portion, tightening portion and connector portion. The tightening portion is disposed proximate to the threaded portion and includes least two parallel tightening surfaces. The connector assembly includes the fitting, a nut and a crimp sleeve. The kit includes the connector assembly and at least one wrench.

Abstract: A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cross-sections. The first and second sections are to be disposed within the end of the piping. The nut, with an internal threaded surface, is made of a material harder than the one used in the piping and with a higher or equal hardness than the one on the joint end sleeve.

Abstract: Hose coupling devices that securely connect an end of a hose to a fitting member using a retention mechanism operated by multi-threaded engagement of the fitting member with a collar member. The multi-threaded engagement also may operate a hose advancement mechanism. The advancement mechanism axially advances a hose during multi-threaded engagement so that the hose may be more effectively gripped by the retention mechanism.

Abstract: A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cross-sections. The first and second sections are to be disposed within the end of the piping. The nut, with an internal threaded surface, is made of a material harder than the one used in the piping and with a higher or equal hardness than the one on the joint end sleeve. The nut is configured to press the end of the piping around the first and second sections.

Abstract: A fitting assembly for forming a fluid-tight seal with an end of a stainless steel tube is provided with an adapter that is made of a material that is different from the material that the seal seat is made of. The material selected for the adapter is relatively less expensive than brass and the manufacturing method for making the adapter is relatively less expensive than that for making conventional adapters that are entirely made out of brass. According to an embodiment of the present invention, the adapter may be made of iron. According to an embodiment of the present invention, the seal seat may be made of a material that is softer than the material that the stainless steel tube is made of. According to another embodiment of the present invention, the seal seat may be made of a material that is harder than the material that the stainless steel tube is made of.

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 hose includes a main passage defined longitudinally therethrough and a plurality of auxiliary passages are longitudinally defined in an inner periphery of the main passage and communicate with the main passage. At least one of the auxiliary passages is maintained in function when the hose is compressed or twisted. The hose is connected with a connector assembly which includes a tapered insertion with ridges extending radialy therefrom which are engaged with the auxiliary passages.

Abstract: A tube joint comprises a nut member which connects a tube to a joint body, collet sections which fasten the tube by fastening pawls for being pressed radially inwardly by a pressing section of the nut member to bite into an outer circumferential surface of a diametrally expanded section of the tube, and an annular projection which abuts against an annular step of the joint body and which regulates a screwing amount of the nut member on the joint body.

Abstract: A fluid operated contractile drive which has a contractile hose (4) extending between two head pieces (2 and 3), and attached to at least one head piece (2 and 3) by having its respective end section (10) clamped in an annular clamping gap (26) defined between clamping surfaces (24 and 25), extending in an at least partially inclined manner in relation to the longitudinal axis (9) of the contractile hose (4) of a first clamping unit (22) having a force output means (17) serving for external force output and a second clamping unit (23) able to be shifted axially in relation to the first clamping unit. In addition to the contractile hose (4) between the two clamping unit (22 and 23) there are loading means (45), effective between same, such loading means (45) acting on the clamping unit (22 and 23) to produce a reduction of the width of the clamping gap (26).

Abstract: A device for mechanically securing a tubular liner in a pipe having a tubular member and connectors on each end. The connector has a bore with an internal seat that may have grooves and be tapered depending upon the application. The liner extends through the tubular member into the bore. The ends of the liner are radially and plastically deformed into engagement with the seats. An inner ring is positioned inside the liner to retain the end of the liner in engagement with the seat. The inner ring may be held by threads or by radially and plastically deforming it. The connectors are mounted to the tubular member independently of the liner, such as by adhesive. The liner may be replaced by removing the inner rings without affecting the connection between the tubular member and the connectors.

Abstract: A joint assembly for flexible and semi-rigid piping, such as high density polyethylene piping or the like. The assembly comprises a joint end sleeve and a nut. The joint end sleeve comprises in series first, second, third and fourth co-axial sections of circular cross-sections. The first and second sections are to be disposed within the end of the piping. The nut, with an internal threaded surface, is made of a material harder than the one used in the piping and with a higher or equal hardness than the one on the joint end sleeve.

Abstract: A quick connect hose coupling for connecting a hose to a fixture of the type having a hose stem portion including a hose insert portion, having a fixture portion including a fixture connection portion, and having a joinder portion is disclosed. The joinder portion includes a male connection portion and a female connection portion. Each of male connection and female connection portions are adapted to join in a sealing and locking manner upon being pushed together. The coupling further includes threads and wrench mating flats adapted to disconnect the hose from the fixture. It is improved by the male connection portion being a unitary structure having a leading support cylindrical surface, a following support cylindrical surface, and a transition surface intermediate therein between. The leading support cylindrical surface has a leading radius. The following support cylindrical surface has a following radius. The following radius is larger than the leading radius.

Abstract: A joint for tubings with which, in tightening the nut member (20), the friction torque applied to the first end face (32) of the control ring (30) by the bore peripheral face (25) of the internally threaded bore (21) of the nut member (20) is greater than the friction torque applied to the second end face (34) of the control ring (30) by the stopper portion (17) of the joint main body (10, and thus the nut member (20) is reliably turned together with the control ring (30) at the final stage of tightening the nut member (200, which allows the proper initial tightening position of the nut member (20) to be determined.

Abstract: Apparatus and methods include an adaptor to establish a flow path through the side of a first piece of tubing (rather than the end of the tubing) into a second piece of tubing or other device. The adaptor includes a threaded head slightly larger than the hole in the side of the tubing into which it is to be inserted, and gripping portions to assist in forcing the threaded head through the opening. After the head has been inserted, a sealing element is tightened to prevent leakage. To join lay-flat tubing to drip tubing, the other end of the adaptor includes an annular barbed end; a sleeve member around the barbed end; and cooperating structures acting between the barbed end and the sleeve to move those relative to each other. Barb structures on the sleeve member cooperate with the barbed end to sealingly engage the drip-tubing end.

Abstract: A toilet valve quick connect includes an upper housing having a capture chamber which facilitates the operation of a capture nut with oversized outward peripheral portions to enable it to be turned within the confines of a typical toilet tank. The toilet valve quick connect has a lower section which extends through the hole in a typical toilet tank and is secured in much the same way as a conventional toilet valve fitting. The toilet valve quick connect includes an internal conical sealing member for facilitating the sealed connection with the bottom rim and inside of a conventional toilet valve fitting. A capture housing partially encloses the capture nut to enable it to engage the threaded bottom fitting of a conventional toilet valve and to impress a downward force on the threaded bottom fitting.

Abstract: Hose coupling devices that securely connect an end of a hose to a fitting member using a retention mechanism operated by multi-threaded engagement of the fitting member with a collar member. The multi-threaded engagement also may operate a hose advancement mechanism. The advancement mechanism axially advances a hose during multi-threaded engagement so that the hose may be more effectively gripped by the retention mechanism.