Abstract: There is described an annular clamp comprising a split ring having two ends. There is a respective lug integrally formed on each of the ends of the split ring, with each lug extending outwardly from the split ring in a substantially radial direction. A respective lug aperture is formed through each of the lugs such that when the lugs are brought into a confronting relationship the lug apertures together define a path for receiving a linear bolt. The annual clamp further comprises a nut for receiving a linear bolt. The nut has a threaded aperture, and is moveably retained in one of the lug apertures such that a longitudinal axis of the threaded aperture is moveable within a plane defined by the split ring. There is also described a method of connecting two pipes using the annular clamp.

Abstract: A connector for connecting a first section of trunking to a second section of trunking is disclosed. The connector has an extension portion which is adapted to extend through a first opening in an end of a first section of trunking and through a second opening in an end of a second section of trunking when the end of the trunking sections are engaged with each other. There is also a retaining portion for preventing the extension portion from being pulled from said first trunking section through said openings to said second trunking section. The connector also has a clamping device for applying a clamping force at a plurality of separate locations around said first and second opening to retain said first and second trunking sections in engagement with each other.

Abstract: A threaded coupler includes a plurality of circumferentially distributed internally threaded segments arranged to create a bore for inserting an externally threaded member. A casing surrounds the threaded segments. The casing includes a first inclined surface of revolution extending at an acute angle to an axis of the coupler. A spring resiliently urges the segments radially inward to the axis of the coupler. Each of the plurality of segments includes an inclined surface which defines a second inclined surface of revolution co-acting with the first inclined surface of revolution of the casing.

Abstract: A tubing connection for coupling two or more joints of tubing sections is disclosed comprising a plug assembly and a socket assembly. The plug assembly has a plurality of splines and the socket assembly has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug assembly is connected to the socket assembly in a four-step process of: positioning the assemblies in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the two sections together with the coupling collar. The tubing joint may also have at least one conduit that may contain a wire or other material for transmitting power and data between the adjoined sections of tubing.

Abstract: The present application describes devices that use various features to prevent the disconnection of connectors used in medical treatments. For example embodiments prevent disconnection of luer connectors that are incompletely mated.

Abstract: A joint for joining the ends of two pipes has a socket (or box) on the end of one pipe into which the end of the other pipe is inserted. The part of the socket which surrounds the inserted pipe has an external tapered surface. A correspondingly tapered sleeve surrounds the socket and can be moved axially to apply a compressive force to the taper on the socket which is thus compressed inward against the inserted pipe end to frictionally grip the inserted pipe end.

Abstract: A connector for use in a system for flowing fluid, having at least one cup-shaped female part (1), in which an adapted male part (8) on another connector is intended to be sealingly and securely mounted, wherein the female part (1) has integral longitudinal locking tangs (2) which have their free ends pointing in the direction of insertion of a male part (8) into the female part, the free ends of the locking tangs projecting into the space in the female part for engaging with a male part, and wherein the locking tangs (2) having engaging means (4, 15) which can be used by a tool to urge the locking tangs (2) apart so that the male part (8) and the female part (1) can be disengaged from one another. The engaging means (4, 15) may be holes or recesses, or alternatively projections or lugs.

Abstract: A clampless tube connection is disclosed, wherein at least one of a conduit and a tube has integrated sealing and locking features.

Abstract: The invention is directed to a connection structure that can minimize the formation of cracks of a connector or leakage of liquid. In the structure, a female thread (34) formed on the inner peripheral surface of lock ring (28) in a male connector (22) engages a male thread (25) on the outer peripheral surface of a female connector (21) when the male connector and the female connector are screwed to each other. Further, protrusion strips (26a), (26b) are formed on the rear side portion of the male thread on the outer peripheral surface of female connector, and notches (35a), (35b) that can engage with said protrusion strips are set on the tip portion of lock ring (28). As a result, when the male thread and the female thread are screwed to each other, the screwed state is appropriate when protrusion strips and notches are engaged with each other.

Abstract: First and second components can be releasably coupled together with a locking pin having a sacrificial o-ring. The first and second components have respective first and second openings that are aligned with each other and receive the locking pin. The second opening has a square edge located adjacent to a recess in the first opening. The o-ring has an outside diameter greater than the diameter of the square edge and an inside diameter less than the diameter of the square edge when assembled. The locking pin is inside of the first and second openings, with the o-ring inside of the recess. To release the components, the locking pin is moved out of the first opening to shear the o-ring against the square edge.

Abstract: A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

Abstract: A novel design for the connection of polyvinyl chloride (PVC) casing. Each length of casing has a male end and a female end. The female end has a narrowing interior diameter with its wider interior diameter at its outermost end sufficient to receive the male end of similar length of casing for connection. The diameter of the female end narrows to a diameter which is less than the outer diameter of the male end. The male end has a lip at its leading edge and is slotted and compressible when forced through the narrowed diameter of the female end. A groove in the interior surface of the female end is sufficient to receive the lip at the leading edge of the male end. When the lip at the leading edge of the male end reaches the groove, it allows the compressed male end to expand with the groove receiving the lip therein. The connected lengths of casing are locked together in this manner.

Abstract: A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug is connected to the socket in a four-step process of: positioning the plug and socket in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the plug and socket together with the coupling collar. The tubing joint may also have a conduit containing a wire for transmitting power and data between the adjoined sections of tubing.

Abstract: A hands-free connection system is provided for coupling downhole tools for use in well operations. The connection system includes two downhole tools connectable together in threaded engagement. The connection system further includes a compressible locking sleeve positioned between the coupled downhole tools for maintaining the tools in threaded engagement and in a predetermined alignment for deployment downhole.

Abstract: A liquid tight connector for terminating one end of an elongate electrical conductor includes a connector body having a rearward conduit receiving end, an opposed forward end and a central bore therethrough. A gland nut is movably secured to the rearward conduit receiving end of the body for securing the end of the conduit thereto and a sealing ring is interposed between the rearward conduit receiving end of the body and the gland nut and is supported within a receiving chamber defined therebetween. The sealing ring has a generally O-shaped cross section and is formed of resiliently deformable material. The gland nut includes an internal frusto-conical surface, which simultaneously urges the sealing ring radially inward toward the conduit and forward toward the rearward conduit receiving end of the body so as to deformably fill the receiving chamber upon the movable securement of the gland nut onto the body.

Abstract: A technique for connecting expandable tubulars. The technique comprises an expandable connector system that facilitates the connection of tubular components, such as tubulars used in wellbore environments.

Abstract: The present invention is generally directed to an anti-rotation device for mating connectors, and methods of using same. In one illustrative embodiment, the method comprises coupling a first connector to a second connector, removing at least a portion of the second connector after the first and second connectors are coupled together to thereby define a recess in the second connector, and coupling an anti-rotation member to at least one of the first and second connectors, wherein the anti-rotation member engages at least a portion of the first connector and is adapted to engage at least a portion of the recess in the second connector.

Abstract: A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupled to the catheter connected to the patient and a locking mechanism for locking a medical connector portion to a medical fitting. The connection to the catheter and the infusion source can be via standard medical luer taper fittings, with or without specially designed locking mechanisms that prevent inadvertent disconnection. The medical connector itself is uniquely shaped and includes a raised surface feature and a recessed surface feature formed on the medical connector portions.

Abstract: A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to cut a concave groove on a peripheral face of a pipe, is disposed as a peripheral face contacts a tapered inner face of a hole portion of the cap nut. Further, a co-rotation means is provided to rotate the cap nut and the stop ring together.

Abstract: A watering system for a poultry house comprises a watering line which is suspended from a stabilizing bar by means of a clip. The watering line is comprised of a plurality of pipe segments connected together by a coupling mechanism. The coupling mechanism includes a keying element or portion which is formed in the pipe segment at a predetermined location relative to the drinker opening in the pipe segment. The coupling mechanism thus rotationally fixes adjacent pipe segments relative to each other such that the drinker openings of the pipes segments in the watering line are rotationally aligned and fixed relative to each other. The clip includes a boot which engages a projection on the pipe segment (preferably the drinker saddle) to key the pipe segments relative to the stabilizing bar.

Abstract: At least a first expandable tubular and a second expandable tubular are connected to each other by a connector system. The connector system is expandable and utilizes a plurality of extensions that may be used to create an interlocking engagement. The system design enables both the tubulars and the connector system to be expanded to an increased diameter.

Abstract: The system permits two tubular parts (1, 2) to be assembled, the assembly being able to be locked or released, without a cumbersome device being required. It includes in particular a toothed crown (10, 20) on each of the two tubular parts (1, 2), each with a series of teeth (11, 21) disposing of straight radial shoulders (12) on the first toothed crown and angled shoulders (22) on the second toothed crown. This assembly is completed by a locking ring (30) disposing of teeth (31) designed to fit between the shoulders (12, 22) of the two crowns, once they have interlocked. Turning the locking ring (30) allows, using the angled locking faces (33) of the teeth (31), the two tubular parts (1, 2) to be locked together. A locating ring (40) may be used to center the parts and receive the shear loads due to a transversal mechanical change. The system may be applied for large tubular part assemblies that need to be dismantled.

Abstract: A coupling connects a first member and a second member. The first member has a first interlocking member extending radially outward from an outer circumferential surface of an axial end. The second member includes a second interlocking member extending radially inward from an inner circumferential surface of an axial end. The axial end of the first member is inserted into the axial end of the second member, such that the first interlocking member is inserted past the second interlocking member. The first and second members are then rotated relative to one another to a locked angular orientation, in which the first interlocking member is interlocked with the second interlocking member to prevent relative axial movement of the first and second members. A key is then inserted into a keyway in the first and second members to lock the angular orientation, thereby coupling the first and second members to one another.

Abstract: A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

Abstract: A fluid coupling includes various features. One feature is a disconnect tool that may expand a lock ring from engagement with a lock shoulder to permit the male half and female half to be separated. Another feature is to utilize geometry and structure whereby a leak would occur to indicate the condition of wear within the coupling while the coupling halves remain mechanically coupled. A further feature is to provide connection verification structure to assure that a complete connection of the male and female halves has been made. A still further feature is to provide an anti-rotational sleeve which would selectively prevent and permit relative rotation between the male half and the female half.

Abstract: A system and method for connecting dissimilar materials is described. In one embodiment, the system may be used to produce a break apart frame that includes a first section and a second part which is disengagably connected to the first part by fastening members. The first part includes a head tube, a top tube and a down tube. The second section includes a bottom bracket, a seat tube, a pair of seat stays and a pair of chain stays. A connection tube extends from the bottom bracket so as to be disengagably connected to the down tube. An end tube is connected to the seat tube and disengagably connected to the seat tube.

Abstract: A connector for connecting plastic tubing includes a receiver having a captured ring seal, the ring seal for compressively forming a fluid seal when in engagement with the plastic tubing; and a plurality of inward directed angled fingers disposed in the receiver for compressively engaging the tubing, a force being exertable by the fingers on the tubing, the force acting to resist withdrawal of the tubing from engagement with the fingers. A method of connecting is further included.

Abstract: A pipe connecting device includes a female connecting member and a male connecting member. The female and the male connecting member can be restrained from turning relative to each other without using additional locking cover or the like and without being subject to various restrictions placed by actual piping conditions. A retainer (46) is provided with retaining parts (56a, 56b) that engage with an annular ridge (54) formed on the male connecting member (44) to restrain the male connecting member (44) from axial movement relative to the female connecting member (42), A noncircular part of the male connecting member (44) and the retaining parts (56a and 56b) of the retainer (46) constitute a locking structure for restraining the male and the female connecting member (44, 42) from turning relative to each other.

Abstract: A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which allow the second riser segment to stab into the coupling nut and engage the first riser segment. The coupling nut rotates a portion of a turn in order for the breech threads of the second riser segment and the first riser segment to engage each other. Castellations on the first and second riser segments engage each other to transmit torsional forces from one riser segment to the other instead of through the threads.

Abstract: An intake device for an internal combustion engine includes a throttle body (1) that forms an intake passage (1a). A throttle valve (2) is arranged within the intake passage. A pipe member (26) is connected to the throttle body, wherein the pipe member forms a communication passage (26a) communicating with the intake passage. An engagement device (53,63; 85,87; 92,63) is provided between the throttle body and the pipe member. The engagement device includes at least one engagement protrusion (53; 85; 92) and at least one engagement recess (63; 87M). When the engagement protrusion and the engagement recess are engaged with each other, detachment of the throttle body and the pipe member from each other is restricted. The assembly process is simplified by a lack of separate components such as clamps and bolts, relying instead upon a typical snap-fit connection.

Abstract: A tubular connection 7 is provided for connecting an upper tubular member 10 with a lower tubular member 12. A radially movable latch body 20 is positioned outward of the tubular members. Outer load flanks 25 on the latch body are slidably engageable with inner load flanks 24 on the tubular members. A radially projecting member 32 and a corresponding guide recess 34 are provided for guiding the latch body with respect to one of the tubular members. A safety actuator 30 and corresponding mating surface 38 may also be provided for urging the latch body outward.

Abstract: A pipe connecting device includes a female connecting member and a male connecting member. The female and the male connecting member can be restrained from turning relative to each other without using additional locking cover or the like and without being subject to various restrictions placed by actual piping conditions. A retainer (46) is provided with retaining parts (56a, 56b) that engage with an annular ridge (54) formed on the male connecting member (44) to restrain the male connecting member (44) from axial movement relative to the female connecting member (42), A noncircular part of the male connecting member (44) and the retaining parts (56a and 56b) of the retainer (46) constitute a locking structure for restraining the male and the female connecting member (44, 42) from turning relative to each other.

Abstract: Anti-rotation device for a pipe and a connector has a pipe connecting portion and a connector connecting portion constructed integrally on the pipe connecting portion. The anti-rotation device is mounted on the pipe and the connector while the pipe connecting portion clips a straight tubular inserting side portion of the pipe in anti-rotating relation and the connector connecting portion is connected to the connector in anti-rotating relation. Thereby the pipe is connected to the connector in anti-rotating relation.

Abstract: The ring seal and retainer assembly includes an annularly shaped ring seal defining a radial inner surface, a radial outer surface, first and second axial end surfaces and a central bore for fluid or gas passage. A retainer is provided for affixing and positioning a ring seal in a sealing assembly. The retainer includes a circular sidewall sized and positioned to engage and cover the ring seal's radial outer surface. The retainer further includes a means for affixing the circular sidewall to the ring seal. In a first embodiment, the retainer includes an inwardly projecting ridge for projecting into a groove formed on the ring seal's radial outer surface. In an additional embodiment, the retainer includes a plurality of ridge segments which project into the ring seal's groove. In still an additional embodiment, the circular sidewall includes upper and lower inwardly projecting edges forming a “C” shaped cross-section.

Abstract: A retrofit fitting for an externally threaded male nut that carries a face seal. The fitting is an adaptor with an internal thread to be threaded onto the male nut and an external thread to receive a female nut. The fitting carries a plurality of blades that engage matching blades on a cage engaged by the female nut. The cage is compressed against a head that bears the face seal by the female nut, so that relative rotation between the heads and face seals is prevented.

Abstract: An adapter for connecting two segments of pipe is disclosed. The adapter includes a guide insert made of a rigid material and a receptor body made of a plastic material. Both the guide insert and the receptor body have threads that fit together so that a threaded pipe segment is first inserted into the rigid threads of the guide insert and then transitions to the plastic threads of the receptor body.

Abstract: A bath tap fitting in the known way comprises a securing device which can be attached to a mounting plate. This has a securing body which extends upward and in its upper area possesses a multi-faced outer contour. An outlet spout can be fitted to the securing body with a multi-faced seating aperture so that it does not turn. A locking screw can be screwed through a threaded hole of the outlet spout against the securing body so that two faces of the seating aperture of the outlet spout, enclosing an angle with each other are pressed against two faces of the securing body enclosing a corresponding angle. In this way the securing body is “wedged” in the seating aperture of the outlet spout. The outlet spout sits absolutely firmly on the securing body.

Abstract: A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupled to the catheter connected to the patient and a locking mechanism for locking a medical connector portion to a medical fitting. The connection to the catheter and the infusion source can be via standard medical luer taper fittings, with or without specially designed locking mechanisms that prevent inadvertent disconnection. The medical connector itself is uniquely shaped and includes a raised surface feature and a recessed surface feature formed on the medical connector portions.

Abstract: A locking swivel apparatus including an upper body portion having a counter bore about a cylindrical axis and a mandrel having an upper end receivable in the counter bore. The locking swivel also includes a lower cap member engaged with the upper body portion and disposed to secure the upper end of the mandrel in the counter bore. The locking swivel further includes an internal locking arrangement including a plurality of mating axial teeth configured to selectively couple and decouple the upper body portion and the mandrel. The selective coupling and decoupling disposed to correspondingly constrain and allow relative rotation of the upper body portion and the mandrel about the cylindrical axis. Methods are provided for fabricating embodiments of the present invention.

Abstract: A bath tap fitting is composed in the known way of a securing device which can be attached to a mounting plate and a movable outlet spout fitted to this. The securing device comprises a securing body which is composed of a lower part and an upper part which can be pushed onto the lower part so that it cannot turn but can be adjusted for height. An adjusting bush is axially fitted in the upper part of the securing body, which however can be turned. It has in the lower area an outer thread, with which it is screwed into a threaded hole of the lower part of the securing body. By turning the adjusting bush therefore the height of the upper part can be changed in comparison to the lower part. The upper part grips over the lower part with a skirt which is divided into segments from below by axis-parallel slits and has an outer thread there.

Abstract: A conduit connection joint is formed to connect a tube and a fitting body in fixed fluid tight relation. The joint is made by compressing the tube in a bore in the fitting body so as to cause formation of at least two beads in the tube during the engagement of the tube to the bore wall. A retaining ridge may be formed in the fitting body to further hold the fitting body and tube in engaged relation.

Abstract: An annular casing for a high-pressure compressor of a gas turbine includes several casing rings 1, 2 in axial arrangement, with at least two adjacent casing rings 1, 2 being connected by means of a bayonet joint 3.

Abstract: In a subassembly electrical isolation connector for interconnecting sections of a tubular drill rod, the subassembly having an electrically insulated connector for and between spaced-apart connector sections to transmit drilling forces therethrough, the use of a sealing membrane for sealing an insulated spacing in the electrically insulated connector to prevent ingress of pressurized drilling mud into the connector and shorting out said spaced-apart sections of the connector, the sealing membrane overlapping said connector sections as a continuous sleeve and having at least its sleeve ends sealed to respective portions of the connector sections to thereby activate the sealing membrane.

Abstract: A submersible well pump assembly using threaded connections, the submersible well pump assembly having a first housing, a second housing, a clamp ring, and at least one anti-rotation member. The first housing has an end having an outer surface, an end face, and a shoulder on that outer surface. The second housing has an end having an outer surface and an end face. The outer surface of the second housing has external threads formed thereon and the end face of the second housing abuts the end face of the first housing. The clamp ring is rotatably and slidably carried on the first housing and has internal threads that engage the external threads of the second housing. The clamp ring also has an internal shoulder that engages the shoulder of the first housing. To keep the connection secure, the assembly has at least one anti-rotation member having a cooperative element on each end of each housing to inhibit rotation of one housing relative to the other.

Abstract: An exhaust apparatus includes a first pipe, a second pipe which includes a block, and a clamp positioned around a portion of a periphery of both the first pipe and the second pipe. The clamp is secured to the block.

Abstract: Air filter (F), especially for an internal combustion engine motor vehicle, comprising a duct (1) for coupling to an intake duct (5), a female portion (3) of the connecting duct being intended to cover a male portion of the intake duct, characterized in that the female portion (3) has two parallel longitudinal openings (7), the two openings (7) being preferably diametrically opposed, and the female portion (3) includes an end-piece in the form of a frustoconical chamfer (4), so that the female portion (3) is of greater size in cross section than the remainder (2) of the coupling duct (1), and means, preferably removable means, are provided for fastening the filter to the intake duct (5).

Abstract: A connection arrangement is provided for a mineral-insulated conduit with two ends to at least one tube-shaped structure, wherein at least one end is arranged partially overlapping with a tube-shaped structure and is affixed by welding or soldering, and wherein a sheath surface is arranged in the region of the overlap. The problem results of making available a connection arrangement for a mineral-insulated conduit to a tube-shaped structure, which is simple to produce and mechanically stable. The problem is solved in that the sheath surface has a structured surface, the end of the mineral-insulated conduit and the tube-shaped structure contact each other on all sides in the region of the overlap, and the contact surface is smaller than the sheath surface beyond the contact surface.

Abstract: The present invention relates to an axisymmetric structural component, one of the ends of which is fitted with an inner circular flange for assembling, by bolting. The axisymmetric structural component with a second axisymmetric structural component. The flange comprises housings for receiving fixing elements such as bolts, pins or threaded rods. The housings are arranged on the circumference of the said flange at regular intervals. Each housing is, in longitudinal section (A—A) along a plane passing through the rotational axis of the component, T-shaped and consists of a first essentially cylindrical portion which is longitudinally open on the inner face (x) of the axisymmetric structural component and transversely open on the contact face (y) of the flange in the assembly. A second essentially semi-cylindrical portion is mounted on the flange which is also longitudinally open on the inner face (x) of the said structural component having an essentially D-shaped transverse section.

Abstract: A coupling assembly is provided comprising a first member and a second member. The first member includes an exterior surface having one or more engagement features. The second member includes a portion for receiving a portion of the first member having one or more locking features configured to mate with the engagement features of the first member to prevent rotation of the first member relative to the second member while connected thereto. When the first member is securely retained within the second member, the first and second members comprise a coupling assembly suitable for both low-pressure and high-pressure coupling applications. Further, depending upon the circumstances and intended environment, the second member may be configured with features for quick-connect and/or disconnect from a corresponding first member.

Abstract: A quick-connect coupling for interconnecting only matching fluid delivery and supply lines while preventing the inadvertent connection of mismatched lines where there are matched and mismatched delivery and supply lines. The coupling includes first and second coupling members that are releasably slidably, axially interfitted with their passageways in fluid communication. In the disclosed embodiment of a coupling for use in a chemical extraction system, one coupling member is a male member connected to the supply lines in the typical fifty gallon drum and the other coupling member is a female coupling member connected to the delivery lines. Key coding elements on the coupling members are movable into matched interengagement when the supply and delivery lines are matched but are precluded from moving into matched interengagement when the lines are mismatched.