Abstract: Connector assemblies for holding two tubes together and methods of use are described. The connector assemblies have an inner bolt, a split outer bolt comprising at least two outer bolt sections and a clamp bolt. The clamp bolt holds the outer bolt sections together to form the split outer bolt and the inner bolt is screwed into the outer bolt to enclose the two tube ends.

Abstract: Techniques for a surgical system are provided that allow an electromechanical surgical arm to be coupled at a location adjacent to a patient, such as a surgical table. A first mating element can be formed on a support member and it can be in electrical communication with a power source and a controller, and a second mating element can be formed on the electromechanical arm. The first and second mating elements can each have a respective electrical contact, and they can be configured such that mechanical coupling between the first and second mating element causes electrical communication to be established between the first and second electrical contacts and thus between the electromechanical arm and the power source and the controller. The mating elements can include tolerance elements that allow for some discrepancies between the mating elements while still providing a desired mechanical and electrical connection between the mating elements.

Abstract: A ferrule coupling is easy to mount onto members to be coupled such as pipe conduits and apparatuses and can reliably maintain the sealability even when subjected to temperature rises and falls due to a sterilization process etc. A ferrule coupling has an annular male screw member which is provided on one of members to be coupled and has a thread formed on the outer peripheral surface, and an annular female screw member which is provided on the other of the members to be coupled and has a thread formed on the inner peripheral surface. The male screw member and the female screw member are screw-engaged with each other to thereby couple the members to be coupled with each other. The male screw member has a cut section at one part in the circumferential direction, and can be opened or closed such that the cut section widens or narrows.

Abstract: A loosening-preventing device for pipe fitting. In the device, a casing includes a semispherical member equipped with an open surface, a female screw thread disposed at one end of the semispherical member, and a finishing member disposed at the other end of the semispherical member. A locking member has a male screw thread and a head at one end of the male screw thread, so as to connect to the female screw thread of the casing. The screw clamping of the casing and the locking member prevents the pipe fitting from rotating, thereby preventing the pipe fitting from being loosened.

Abstract: A retainer for connecting a pair of sanitary fittings each having a first end and a second end, the second ends each having a flanged portion, includes a first member having a through center aperture, the first member adapted to receive at least a portion of each of the flanged portions and a second member having a through center aperture and engageable over the first member, the second member adapted to provide a compressive force to sealingly connect the flanged portions when the first and second members are in an assembled configuration.

Abstract: The present disclosure generally provides devices and methods for facilitating treatment of a tip portion of an emitter of an electrospray column. The column includes a sheath at a distal end that is normally biased in an extended position that covers the tip portion, and is in a retracted positioning during use that exposes the tip portion. The devices of the present disclosure provide a longitudinally extending support member, a laterally extending sheath engagement member, and a laterally extending column engagement member. The devices are configured such that when the devices and column are coupled, the column engagement member of the device engages a lateral surface at a proximal portion of the column, and the sheath engagement member engages and retracts the distal sheath of the column to expose the tip portion of the emitter.

Abstract: A fitting assembly is provided having a nut and a ferrule, which in certain embodiments may be assembled by an operator. The nut and ferrule of the fitting assembly have passageways therethrough for receiving and removably holding tubing. The nut and ferrule fitting assembly may be adapted for use with a flat bottom port, such as in an analytical instrument, like liquid chromatography, gas chromatography, ion chromatography, or in in vitro diagnostic systems.

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

Abstract: A fitting assembly for a high pressure system includes a tube assembly including a tube having an undercut near a first end. A gland is slidably coupled around the tube and has an exterior threaded surface. The gland forms a gland cavity adjacent an exterior surface of the tube. A spring collar is also slidably coupled around the tube between the gland and the first end of the tube such that a portion of the spring collar is disposed within the gland cavity. The fitting body has an inlet passage and a fitting cavity for receiving an end of the tube assembly. The open end of the fitting cavity has a threaded surface forming a threaded engagement with the threaded surface of the gland. This threaded engagement creates a primary and secondary seal in the fitting assembly. The secondary seal applies a force to the threaded engagement.

Abstract: A fitting includes a body and a subassembly to connect to the body. The subassembly includes a gland, a nut and one or more collets captured between gland and nut. An O-ring is seated in a recess in one of the body and the gland. The gland can receive a conduit and the nut serves both to compress the collets around the conduit and to press the gland against the body. The nut may be retracted to a position where the subassembly may be moved transverse to the axis of the conduit, gland and nut without first retracting the gland and conduit axially.

Abstract: A ferrule for use in a fluid transfer assembly having a fluid conduit includes a frusto-conical seal portion having a first cylindrical bore sized and configured to slidably receive a fluid conduit. The seal portion is formed from a first material suitable to seal the fluid conduit within a first fitting without substantially deforming the fluid conduit. A frusto-conical collet portion is mated with the seal portion and includes a second cylindrical bore in substantial alignment with the first cylindrical bore. The collet portion includes at least one axial finger extending along the tapered end that is configured to be biased into locking engagement with the fluid conduit. The collet portion is formed from a second material that substantially prevents deformation of the fluid conduit when the finger is biased into locking engagement with the fluid conduit.

Abstract: A threaded component for connecting piping employed on motor vehicles includes a thread formed thereon and at least one unthreaded, contacting surface. A first coating having a first coefficient of friction is disposed on at least a portion of the thread, and a second coating having a second coefficient of friction is disposed on at least a portion of the unthreaded, contacting surface(s) of the threaded component. The first coefficient of friction is greater than the second coefficient of friction. In an embodiment an anti-corrosion coating is provided between the coatings and the component.

Abstract: An electrohydraulic unit assembly for a motor vehicle includes a receiving body defining a sealing face and at least two connectors fastened to the receiving body of the unit, oriented substantially parallel one to another and separated by a defined distance from one another. Each connector is configured for connecting a fluid conduit to the unit. Each connector includes a screw fitting for fastening the respective hydraulic connection to the receiving body of the unit such that a sealing face of the screw fitting or a sealing face of the fluid conduit is seated on the sealing face of the receiving body. Each screw fitting is rotatably connected to the body and includes two spanner flat portions having different spanner widths.

Abstract: A tube fitting assembly is provided for a gas burner. The assembly includes a pre-deformed tube connector having first and second ends. At least one of the ends is provided an annular sealing bead formed by compressing and cold working at least two intermediate annular beads together. A first coupling member is provided defining a cavity and having a shaped seating surface adapted to sealingly engage a cooperating surface of the annular sealing bead. A second coupling member is provided rotatably and slidably disposed on the pre-deformed tube connector and is adapted to mate with the first coupling member.

Abstract: A fitting is provided that includes a receptacle having an inner wall forming a female member. The inner wall includes a shoulder and a land. A male member is received in the female member with a gap therebetween. The male member includes an outwardly opening groove. An O-ring is seated between the outwardly opening groove in the male member and the shoulder and the land of the receptacle to prevent removal of the male member from the receptacle. The outwardly opening groove, the shoulder and the land are configured such that compression of the O-ring is sufficient to prevent removal of the male member from the female member.

Abstract: A chromatography and fluidic device with connections capable of automated component changing, diagnostic leak and current sensing. The chromatography-electrospray device contains a chromatography column, a pre-column, a spray emitter, or other fluidic component imbedded within one or more inserts. The inserts are robotically placed in receiving hardware, and a “plug and play” compression fitting connection mechanism makes the fluidic seals in an automated fashion. A plurality of sensors capable of detecting leaks is situated in the device near leak-prone regions. The electrospray emitter has a current sensing electrode in proximity of the electrospray region, capable of detecting the electrospray current. In conjunction with an electronics system, these sensors allow for system and component diagnostics. The diagnostic information may then be used for manual or automated system repair.

Abstract: A ferrule for use in a fluid transfer assembly having a fluid conduit includes a frusto-conical seal portion having a first cylindrical bore sized and configured to slidably receive a fluid conduit. The seal portion is formed from a first material suitable to seal the fluid conduit within a first fitting without substantially deforming the fluid conduit. A frusto-conical collet portion is mated with the seal portion and includes a second cylindrical bore in substantial alignment with the first cylindrical bore. The collet portion includes at least one axial finger extending along the tapered end that is configured to be biased into locking engagement with the fluid conduit. The collet portion is formed from a second material that substantially prevents deformation of the fluid conduit when the finger is biased into locking engagement with the fluid conduit.

Abstract: A fluid connection assembly for connection to a fluid supply member that extends through a panel from a rear to a front surface of the panel includes a connection member that is engageable with the fluid supply member at the front surface of the panel. A connector is operable from in front of the panel to connect the fluid supply member to the outlet member in a fluid-tight manner. The connection member may be a shower outlet elbow for connection of a shower hose.

Abstract: Embodiments of the invention provide new fittings and fitting assemblies for tight, leak-proof filter and fluid connections in a pump useful in dispensing fluid onto wafers during a semiconductor manufacturing process. One embodiment of a fitting assembly comprises an o-ring-less low profile fitting and a low profile male threaded locking nut. A manifold of the pump is machined with a female threaded hole for receiving the fitting and the locking nut. The fitting has higher compressibility than the manifold. Initially, as one end of the fitting touches the bottom of the receiving hole, there is a small gap between the end of the fitting and the bottom of the receiving hole. As the fitting is pressed down, the end of the fitting that touches the bottom of the receiving hole begins to deform and fill the small gap, thus creating a tight seal between the fitting and the manifold.

Abstract: A tube connection device for connecting motor vehicle tubes, a tube having a front element on at least one end, this front element being equipped with a frontal sealing surface. A fitting enclosing the tube is provided, which presses the frontal sealing surface against a connection surface of a connection element. At least one separate pressure element, which at least partially surrounds the tube, is provided between fitting and front element. The fitting acts on the front element through the pressure element and the sealing surface is pressed against the connection surface in this way.

Abstract: A fluid line connector to establish fluid communication with a conventional male luer fitting. The fluid line connector includes a housing with a hub member having a proximal opening adapted to receive a distal portion of the male luer fitting, a threaded profile circumscribing the proximal opening, and a cam member. The cam member engages the threaded surface of the male luer fitting collar to prevent inadvertent disengagement of the male luer fitting from the housing.

Abstract: A pipe joint comprises a first joint member of synthetic resin having an annular recessed portion in an end face thereof, and a second joint member of synthetic resin having an annular ridge on an end face thereof. The ridge is fitted in the opening of the recessed portion, with a synthetic resin gasket fitted in the recessed portion. When the pipe joint is properly tightened up, the outer surface of the ridge of the second joint member is pressed against the inner surface of the recessed portion of the first joint member with the gasket interposed therebetween in intimate contact with the surfaces approximately over the entire areas thereof.

Abstract: A locking luer fitting for connecting fluid lines. In one variation the connection interface includes a male luer connector and a corresponding female luer connector. The female luer connector includes a rotatable collar which engages the male luer connector. In another variation the female luer connector includes a cam configured to prevent inadvertent disconnection of the male luer connector. The locking luer fittings described herein may be implemented in various medical and industrial applications where secured fluid line connection interfaces are desirable.

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

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

Abstract: An improved wall faucet, which is to put through the locking ends on both sides of water faucet to connect the locking units and position the water faucet on the shutter of the granite counter; in addition, the locking screw cap would be jointed closely with the non-returning pad after being locked on the locking end of the water faucet to prevent the water's effusion from the locking end. In accordance with the structure, because the locking unit is designed direcly on the locking end to make water can be guided directly and vertically to the locking screw cap and perforation and position the water faucet on the shutter of the granite counter, the interval between the shutter and wall can be shortened properly for saving space and costs in connection materials.

Abstract: In a pipe joint structure, a second screw thread formed on an outer circumference end of a joint member is screwed deep into a first screw thread formed on an inner circumference of a cylindrical joint fitting member whose axial end is bonded to a common rail body so that a second flat surface at an axial end of the joint member is pressed against a first flat surface on an outer circumference of the common rail body to form a fluid tight sealing surface therebetween in a state that a fluid passage opened to the second flat surface communicates with a through-hole opened to the first flat surface. Accordingly, even if a position of the joint fitting member to the common rail body is slightly shifted, fluid tight sealing between the first and second flat surfaces is assured.

Abstract: A coupling for high-pressure fluid achieves a long life by easily tackling wear at a connected portion due to flow of high-pressure slurry. The coupling is configured by a pipe having an inverse male screw near an end thereof; a bush being screwed to the inverse male screw; a box nut having a larger diameter hole, through which the bush can pass, on a tip end side, and a small diameter hole, through which the pipe passes, on a base end side; a block having a female screw hole that is screwed to the box nut; a washer made from soft material which is to be inserted in an accommodating space at an end portion of the fluid route; and a ring being screwed to a female screw of the female screw hole; and a polygonal hole drilled to the ring are provided, and the end portion of the pipe which passes the box nut and of which end face abuts the washer is supported by the polygonal hole.

Abstract: A high-pressure fuel injection pipe has a connecting head with an outer circumference formed for a mating seat portion. A shallow annular groove is formed in the inner side of the connecting head while shaping the head. A connecting washer is fit on the outer circumference of the lower neck of the connecting head. The injection pipe is characterized in that the lower neck of the connecting head is provided with an at least two-stepped portion having no slope, and in that the connecting washer is provided with a stepped portion corresponding at least partially to the stepped portion of the connecting head, so that the stepped portions may abut against each other.

Abstract: An improved grease gun adaptor device, wherein cost efficient refills for a standard grease gun can be utilized to lubricate equipment and tools having grease fittings that heretofore have required the purchase of brand specific tubes of grease, wherein a flexible design and cap screw enable easy, single-handed attachment to virtually any location of grease-fitting aperture, and wherein a simple one-piece design enables cost efficient production and utilization thereof. The present invention is particularly suited for, although not limited to, enabling a user to adapt the tip of a standard grease gun to a specified grease fitting to lubricate landscaping equipment and power tools, thereby eliminating the need to purchase a brand specific tube of grease.

Abstract: There is provided a high-pressure metal pipe which has a connecting head capable of solving the risk of cavitation erosion in the inside of the connecting head by changing the contour shape of a pocket or notch to be formed in the inside of the connecting head during head working into a contour shape having a shallow depth and a gentle cross section. A reduced-diameter connecting head having an outside circumferential surface which is a seat surface having a truncated conical or spherical shape corresponding to a mating seat is provided at a connecting end portion of a thick-walled steel pipe having a comparatively small diameter. An annular concave groove to be formed in the inside of the connecting head during the formation thereof has a contour shape having a shallow depth and a gentle cross section, and the high-pressure metal pipe has a sleeve washer having a cylindrical portion which covers the outer circumferential surface of the reduced-diameter connecting head.

Abstract: An improved fitting for mobile air conditioning systems is disclosed that reduces the risk of damage to fitting O-rings during assembly, the fitting male member being compatible with the fitting female member of many existing fittings currently in service. In particular, the male fitting (152) is compatible with female fitting (72) that comply with the IMACA 305 Standard. The male fitting includes a circumferential bead (158) that engages the distal end of the female member, an intermediate tubular portion (155) that extends distally from the bead, a tubular pilot portion (156) that extends distally from the intermediate portion, and a retainer bead (157) disposed between the intermediate and pilot portions. The retainer bead is positioned to retain the O-ring (51) near the circumferential bead, without interfering with proper compression of the O-ring, and full insertion of the male member into the female member.

Abstract: A fluid fitting is provided for connecting two members transmitting a high pressure fluid. The fitting includes an elongated tubular stem, a first connecting member, and a second connecting member. A hydraulic seal may be effected by an interference fit between the second connecting member and the stem. The first connecting member may be a flare nut. The second connecting member may be a plug fitting. The fluid fitting preferably provides a connection between a fuel oil valve and an oil burner nozzle. The valve may be rigidly mounted to the burner nozzle without the use of additional mounting hardware and within a small space adjacent to the burner.

Abstract: A phase controlled sequential gripping tube fitting for gripping a tube therein, the fitting comprising a rear ferrule shaped to receive the tube therein, the rear ferrule having a nose portion and a central body. The tube fitting further comprises a front ferrule having an axially-extending rear portion radially outwardly spaced from the rear ferrule, whereby when the rear ferrule is urged axially in a first direction the rear ferrule grips the tube, and whereby the rear portion of the front ferrule reduces buckling of the rear ferrule.

Abstract: A tapered conic ferrule in accordance with an industry standard is abutted against a male nut. The nut is provided with a length wise passage having an end at a head on the nut. The passage has a radius of curvature to enable the tube to bend, but not sharply so that the tube is not damaged.

Abstract: A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is composed of two or three small discs for pipe fixation embedded in the male screw portion along with the thread as a part of the small disc protrudes from a peripheral side and another part of the small disc protrudes from an inner peripheral face.

Abstract: A new fluid coupling assembly includes a split male nut positioned over a coupling member or gland of a fluid system. The split male nut members are preferably formed of a precipitation hardenable material. Various interlock arrangements facilitate assembly of the split male nut halves. Moreover, providing indicia on the male nut halves assists in forming the threads and subsequent assembly. A female nut assembly includes a pair of inserts that are secured together by a collar having a shoulder defined by a counterbore. An external portion of the shoulder overlaps a counterbore formed therein to increase the strength of the female nut assembly.

Abstract: This invention relates to a joint mechanism of pipes having high maintainability for a pipeline disposed in a building or a buried object. An insertion member is interposed between the pipes or between the pipe and equipment to be connected and packing is applied over these three members. The packing is set and clamped by meshing of two screwed clamping rings.

Abstract: A interconnection system for coaxial fluid tubing includes zero-clearance connectors having a metallic innner gasket for sealing an inner passageway for a first fluid and having a elastomeric outer gasket for sealing an outer passageway for a second fluid. The elastomeric outer gasket forms a fluid-tight seal as the connectors are tightened. Further tightening of the connectors engages and seals the metallic inner gasket. Both straight tubing sections and elbows are constructed in a factory setting so that the completed sections can be assembled at a job site without cutting or welding.

Abstract: A tube coupling comprises first and second coupling components each having flow passages terminating in openings formed in transversely extending sealing end faces positioned in aligned face-to-face relationship. First and second threaded nut members are associated with the coupling components and cooperate to drive the sealing end faces together. An annular drive member is located between the first nut member and the first coupling member for conducting axial forces from the first nut member to the first coupling component while preventing relative rotation between the first coupling component and the second nut member. To accomplish this function the drive member has a tapered exterior which wedges in a tapered recess in the second nut member.

Abstract: A compression union for joining two tubing segments together in a sealing relationship. Each segment has a head and a compression shoulder, and a sealing face. A first and second nut are threadedly joined and compress the segments together. The segments pass through respective nuts. A thrust cap is adapted to be firmly clamped. It includes an axially-extending tongue fitted into a respective axial spline, so that tightening the nut together exerts only axial force on the sealing faces, and the thrust cap prevents counter-rotation of the tubing segments relative to one another.

Abstract: A tube fitting assembly includes a tube and first and second threaded fitting members with first and second lateral shoulders, respectively. A plurality of deformed areas, shown as two in number, are provided from the wall of the tube by axial compression. This establishes first and second beads with at least the second bead being an annular bead to cooperate with the second shoulder. When the two fitting members are threaded together, this axially compresses the plural beads so that a seal is formed between the second annular bead and the second shoulder on the second fitting member. The large extent to which the deformed areas may be axially compressed assures a good fluidtight seal despite the variable amount of torque applied to the fitting members. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.

Abstract: A joint is provided for joining together two sections of a tube wherein the sections are prestressed by a surrounding pressure medium to press the sections together and to resist forces tending to separate the sections and the bursting pressure inside the tube. The pressure medium can be a resin which can be pressurized and subsequently cured or a fluid. The outside diameter of each section, at and near the end to be joined, is enlarged. A coupling means encircles the enlarged portions and couples the two sections together. One or more expandable pressure cavities located within said coupling means and/or within the enlarged portions have the general shape of a flared annuli. The pressure medium fills and expands the pressure cavities and, when pressurized, exerts stresses compressing both sections together at the joint and also applies relatively uniform radial stress in the vicinity of the end of each section.

Abstract: A high pressure hose fitting which includes a crimpable sleeve for use over a hose and a conical ferrule that separates the cord layer of the hose from the inner linings and clamps the cord layer ot the sleeve. A housing enclosed the fitting and provides the clamping force. An O-ring between the ferrule and the housing aids in sealing. All parts are so designed that an increase in pressure increases the sealing force and clamping force.

Abstract: A female-type coupling nipple including a coupling body and a nipple. The nipple includes a cylindrical nipple section and an end section which is provided with plastic working so that its outside diameter can expand. The outside wall of the end section and inside wall of the connecting section of the coupling body are closely joined both by elastic force that acts in the directions of outside diameter expansion of the end section and reaction force of the connecting section.

Abstract: Apparatus providing a weld-free joint for intersecting pipes or tubes within a conduit system includes conduit means defining a first flow path extending in one direction and further conduit means defining a second flow path extending in a second direction which intersects said first flow path and has a releasable connection with said first conduit means embodying therein sealing means operative to preserve the integrity of said first flow path. In a preferred embodiment of the invention the releasable connection includes tubular means at least a portion of which intersects and bridges said first flow path and has a cross sectional dimension less than that of the cross sectional dimension of the interior of said conduit means which defines said first flow path.

Abstract: A fluid coupling is described. The coupling includes a connector means (12, 22) threaded (12C, 22C) for connection and rotatably mounted on conduit means (10, 20) during installation and in use. The connector means can be turned into a corresponding threaded opening, particularly an opening located in a position which allows restricted rotational movement of the conduit means. The coupling is particularly adapted for use on vehicles where limited space and weight are important factors.

Abstract: Process for providing a rigid pipe, particularly made of light alloy, with a connecting section comprising a projecting peripheral bead, whereby a reinforcing sleeve is firstly positioned at a free end of said pipe, after which said end provided with its sleeve is deformed to the shape desired for said connecting section said process further comprising the step of deforming said end and said sleeve together to form, in the connecting section, the projecting peripheral bead, which thus participates in the connection of said sleeve on said pipe end.

Abstract: The illustrated embodiment shows helical grooves of tapering cross section in the inner walls of the interfitting ends of the conduit sections for producing a rotation of the fluid as it enters and leaves the space between the annular terminal surface of one conduit end and the confronting interior ledge of the other. Because of the rotation any air bubbles are removed during filling of the conduit. For particularly vigorous rotation the annular terminal surface and/or interior ledge may be formed obliquely to the flow axis.

Abstract: A fitting assembly is disclosed for connection to the ends of flexible tubing. The fitting assembly comprises a first and second element and a sleeve. The first element includes a threaded bore and a plurality of flanged tines extending axially therefrom. The flexible tubing is adapted to be threaded through the bore of the first element until a portion of its end extends alongside and beyond the tines. The second element includes a bore having interior annular ridges formed on the interior surface thereof for receiving the flanged tines of the first element. The second element also includes an annular shoulder located on the sidewall of the bore. The sleeve is cylindrical in construction and includes an enlarged end. The sleeve is adapted to fit snugly within the end of the flexible tubing prior to the interconnection of the first and second elements. After the first element is threaded onto the tubing and the sleeve is inserted therein, the first and second elements are brought together for connection.