Abstract: A hydraulic tube connector for a vehicle may include a connector body including a first through-hole into which a tube having a tube protrusion protruding outward is inserted and a sealing O-ring groove which is formed at one side of the first through-hole, a sealing O-ring configured to be coupled to the sealing O-ring groove, and a release sleeve coupled to the connector body to prevent the sealing O-ring from being separated from the sealing O-ring groove.

Abstract: The present invention provides, in part, a device that can fit around a fitting retention compartment of a pipe fitting, apply axial pressure to a pipe insertion component so as to flex the teeth of a fastening ring inwardly, which permits smooth insertion and removal of piping elements. In embodiments, the device comprises a two-piece device with mating threads that permit the pieces to move toward and away from one another with minute adjustments.

Abstract: The disclosure relates to a quick connector for fluid lines, including: a connecting piece which is adapted to be plugged in a sealing fashion into a receiving opening of a counterpart and to be lockingly engaged, via a latch, with the counterpart, the quick connector having at least one support for supporting the connecting piece on the counterpart such that it is secured against tilting. In order to provide a certain mobility of the quick connector also in the condition of locking engagement, the support can be movable relative to the connecting piece.

Abstract: There is disclosed a three bolt breakaway coupling adapted to be connected to either one or both ends of a flexible fluid conduit having a housing at each end that may include a valve. The breakaway coupling has two generally triangular shaped flanges where each flange has a central opening surrounded by a sealing member such as an 0 ring and an opening located at each corner of each triangular shaped flange for receiving a shear bolt. At least two of the three shear bolts which couple the two triangular flanges together will break when a specified pull at any angle is applied to the three bolt breakaway coupling. The first and second housings may contain valves for controlling the flow of a fluid through the conduit.

Abstract: A disposable breakaway hose connector for a fuel line prevents untimely decoupling, and avoids unnecessary leakage. The breakaway connector includes a pair of fittings, for connecting to the fuel line, an inner sleeve provided for limited sliding movement upon one of the fittings, with each fitting incorporating a poppet valve, to provide for closure when decoupling occurs, or other unseating, from within the respect fittings, during normal aggregate and usage. Detents are provided within one of the fittings for interconnecting to normally retain the connector as assembled, but various O-rings arranged within an inner sleeve and upon one of the fittings, provide for limited movement when tensioning force is exerted and clearance for disconnection. A fluid chamber is provided intermediate of the O-rings, to equalize and counterbalance fluid pressures that occasionally spike within the connector and hose line.

Abstract: A pipeline breakaway coupling (10) comprising a pair of valve housing members (12,14) fixedly attached to each other by means of one or more breakaway coupling members (16). The valve housing members (12,14) define a hollow bore (18) along which flowable material may flow and the breakaway coupling members (16) permit the valve housing members (12,14) to separate from each other when exposed to a tensile load exceeding a predetermined limit. An end cap (26) releasably connected to each valve housing member (12,14) to allow connection of the valve housing members (12,14) to respective inlet and outlet pipelines. A valve cassette (20) is releasably retained between each valve housing member (12,14) and the respective end cap (26). Each valve cassette (20) includes a valve member (22) movable between a valve open position and a valve closed position.

Abstract: A stub-out assembly includes a stub-out conduit that defines a major diameter and a minor diameter. The minor diameter defines an attachment groove for receipt of a mount housing and a valve housing. The mount housing includes a multitude of circumferential fingers which each include a barbed end that engage a corresponding internal groove within the valve housing of the valve assembly. The mount housing fits over the minor diameter and a retainer in the mount housing is aligned with the attachment groove. The retainer includes a partially annular set of conduit attachment legs and a set of housing attachment legs. The conduit attachment legs engage the attachment groove to axially retain the conduit therein. The housing attachment legs each include a barbed end which engage a corresponding surface located within the slot.

Abstract: A fluid adapter for connection between a valve and a tube having a single lumen includes a housing having a tab. The tab is releasably connected over a secondary port of the valve. The tab is configured to occlude the secondary port to prevent a user from toggling the secondary port. The housing is configured to be releasably connected to the valve.

Abstract: A coupling for tubular goods having male and female coupling halves adapted to provide a straight-through conduit path when joined together. In a preferred embodiment, the male member has a sliding gate which opens automatically when the coupling halves are mated and closes off the central passageway automatically when the coupling halves are separated. The gate prevents debris from entering the central passageway when the coupling is de-mated. This is a particular advantage in undersea environments. The coupling may include seals for providing a fluid-tight connection between the male and female members.

Abstract: A disconnect device for use as part of a tubing string downhole in an oil or gas well and which comprises a tubular body, at least one slip held within the tubular body, and a sleeve housed within the tubular body to hold the at least one slip in coupling engagement with at least one of a coupling component of an upper sub and a coupling component of a lower sub, in use, the sleeve being selectively moveable relative to the at least one slip to release the slip and thereby release the coupling, wherein the slip cooperatively engages with at least one of the coupling component of the upper sub and the coupling component of the lower sub by means of at least one localized protrusion on the slip or on the coupling component extending into a corresponding shaped local depression or hole in the other of the at least one slip and the coupling component whereby tensile load and torque may be transmitted by the coupling, that part of the device which is to be released and left downhole by releasing the coupling engag

Abstract: The present invention relates to a device for blocking a liquid- and/or vapour-flow from a hose and positioning a hose rupture to a coupling in the hose, e.g.

Abstract: A quick-connect for attaching plural conduits to a fluid communicating ported block or valve. A recess provided in the block face between the ports has an attachment member, received in the recess and retained on the block by through-bolting from the back side of the block. A snap ring is retained between the attachment member and the block. The conduits are prepared with a convolution and an end fitting spaced from the convolution with a seal ring on the end fitting. A retaining plate has the spaced portion of each conduit received in an edge cutout. The retaining plate has a barbed stud mounted between the conduits; and, the conduit ends with seal rings are inserted in the block ports and the stud inserted in a hole in the attachment member to engage the captured snap ring. Removal of the through bolts from the backside is required for disassembly.

Abstract: A coupling includes a metal body having a cavity for receiving the end of a tube. The coupling has an electrically conductive, resilient member which is in electrical contact with the metal body and one part of which is intended to exert a resilient force on the outer surface of the tube so as to establish electrical contact with the tube.

Abstract: A telescopic quick connect disconnect connecter where movement between the telescopic members may be controlled by a pair of springs. The connecter includes telescopic male and female members joined by action of a spring which normally prevents withdrawal of the male member from the female member by being wedged between the camming surface of a recess in the female member and a notch in the male member. A second notch is provided on the male member beyond the female member in which a second spring is placed which will abut against the end of the female member to limit further insertion of the male member into the female member. The latter spring is intended to fail in unusual stress situations such as earthquakes to prevent catastrophic failure of the system. This system is particularly disclosed for use with supply pipes for fire sprinkler systems. Also disclosed is a method for manufacturing the male members and a method for use of the piping.

Abstract: A fuel hose breakaway unit comprising couplers that are held in assembled relation by longitudinally extending fingers that are mounted on the outlet coupler and engage abutment lugs on the inlet coupler. When a predetermined longitudinal separation force is applied to the couplers, the fingers flex outwardly to a release position, permitting the couplers to separate. The fingers are provided by finger sets, each of which is provided with three fingers. A locking collar locks the bases of the finger sets onto the outer surface of the housing for the outlet coupler.

Abstract: A latch is adapted to be connected to a tubing string and will snap into a packer disposed in a wellbore. A predetermined first number of pounds is required to snap the latch into the packer and a predetermined second number of pounds, greater than the first number, is required to pull the latch out of the packer in the wellbore. In order to maintain constant the first and second number of pounds, the latch has the following special characteristics. The latch has a plurality of flanges separated, respectively, by a plurality of gaps, that snap into the packer, each flange having external threads disposed around its periphery, each thread including an engaging surface and a disengaging surface, an angle between the surface of each disengaging thread relative to a vertical being in a range from 20 to 28 degrees. An elastomeric barrier occupies the gap between adjacent ones of the flanges.

Abstract: A method and apparatus for producing plastic parts with a resilient projection, such as connectors for corrugated tubing. The method comprises the steps of flowing plastic material on a core provided with a recess to mould the resilient projection, camming the resilient projection out of the recess, after the mass of plastic material is solidified and extracting the solidified part from the core. The invention also extends to a novel connector for corrugated tubing.

Abstract: A coupling for coupling a corrugated hose to a socket having a cylindrical body with a "U"-shaped annular recess therein. The hose has an outside surface with parallel grooves therein. The parallel grooves have slanted or tapered sides. Flexible "O"-rings are stretched over the outside surface and placed in the parallel grooves near one end of the hose. The hose with the "O"-rings thereon is pushed into the socket so that the "O"-rings contact the "U"-shaped recess. Each "O" ring provides a seal between each of the tapered sides of the groove in which it is positioned and the "U"-shaped annular recess to provide a three point contact air seal between the hose and the socket.

Abstract: A frangible fluid conduit fitting particularly suitable for servicing aircraft wherein the fitting is attached to an aircraft service bulkhead coupling. The fitting consists of two parts, one attached to the supply hose and the other attachable to the bulkhead coupling. The fitting parts are maintained in a sealed assembly relationship by a frangible connector having two separate frangible sections. One frangible section fracturing and releasing the fitting parts under excessive bending forces while the other frangible structure releases upon excessive tension forces being imposed upon the fitting.

Abstract: A quick-release adapter for connecting the inlet of an exhaust removal hose to the outlet of a tail pipe of a vehicle with an internal combustion engine while minimizing exhaust leakage. The adapter includes three disk-like permanent magnets pivotably mounted on the inlet of exhaust removal hose and three receptacle-shaped magnetic connectors secured to the outlet of the tail pipe for engaging the magnets and mating the exhaust removal hose to the tail pipe. The exhaust removal hose is thus readily connectable to and disconnectable from the tail pipe.

Abstract: Large and small seal ring segments are interconnected to allow for circumferentially overlapping sliding engagement therebetween. The seal ring segments form an annular seal ring having a radial flange which is mounted within an annular radial groove formed in one end of a conduit. An adjoining conduit is formed with a sealing band having a spherical contour for engaging a cylindrical base portion of the seal ring with an axially slidable and pivotable fit.

Abstract: A quick disconnect coupling having a socket and a plug. In one embodiment, the plug has an outwardly projecting ring at its end that is captured behind a plurality of pins of an inwardly stepped shoulder formed in the socket in order to prevent the plug from being withdrawn from the socket. The plug is releasably retained in the socket by a variety of means, including a resilient ring surrounding the plug that tightly fits into a stepped shoulder formed in the socket or circumferentially spaced ball bearings mounted on either the plug or the socket and biased into a groove formed on the socket or plug, respectively. In another embodiment of the invention, the plug is formed by a cylindrical sleeve on which retaining fingers are pivotally mounted. The retaining fingers each terminate in a respective retaining tab that is captured behind an inwardly stepped shoulder formed in the socket.

Abstract: A quick disconnect coupling having a socket and a plug. In one embodiment, the plug has an outwardly projecting ring at its end that is captured behind a plurality of pins or an inwardly stepped shoulder formed in the socket in order to prevent the plug from being withdrawn from the socket. The plug is releasably retained in the socket by a variety of means, including a resilient ring surrounding the plug that tightly fits into a stepped shoulder formed in the socket or circumferentially spaced ball bearings mounted on either the plug or the socket and biased into a groove formed on the socket or plug, respectively. In another embodiment of the invention, the plug is formed by a cylindrical sleeve on which retaining fingers are pivotally mounted. The retaining fingers each terminate in a respective retaining tab that is captured behind an inwardly stepped shoulder formed in the socket.

Abstract: An inner pipe member for a dual-wall drill pipe assembly having an inner pipe member and an outer pipe member, the outer pipe member having a main bore extending axially therethrough including a first bore and a concentric second bore of smaller diameter than the first bore and axially spaced therefrom by a shoulder, and a circumferential recess in the second bore, the inner pipe member comprising a tubular body portion adapted to be telescopically and concentrically received in the main bore and define an annular fluid passage therewith, a first spacer at one end of the body portion for concentrically spacing the one end of the body portion from the other end of the outer pipe member, and a second spacer at the other end of the body portion, the second spacer including first and second surfaces adapted to be received in sliding fit relation within the first and second bore, respectively, for concentrically positioning the other end of the inner pipe member within the outer pipe member, and a projection exten

Abstract: A breakaway hose coupling for application within a fuel line, that prevents untimely decoupling, and avoids unnecessary leakage. The coupling includes a pair of fittings, for connecting to the fuel line, a sleeve provided for limited sliding movement upon one of the fittings, with each fitting incorporating a poppet valve, to provide for closure when decoupling occurs, or other unseating, from within the respect fittings, during normal coupling assembly and usage. Detents are provided within one of the fittings for interconnecting within a seating groove provided interiorly of the sleeve, to normally retain the coupling assembled, but various fastening rings, arranged within the sleeve and one of the fittings, provides for limited shiftable movement, occuring when tensioning force is exerted, to provide clearance for disconnection, while at the same time, said fastening rings capable of shifting, to provide for recoupling of the device together upon assembly.

Abstract: A tension actuated fuel (e.g. gasoline) delivery hose uncoupler is disclosed in which, upon a predetermined tension load being applied to the delivery pump hose, the coupling will automatically uncouple thus releasing one end of the hose which, for example, may remain inserted in the fuel tank of a vehicle driving away from the fuel dispensing pump, and the other portion of the hose which is permanently affixed to the pump. The coupler includes normally closed checkvalves which, upon uncoupling of the coupler, close thereby preventing spillage of fuel. Further, the coupler is adjustable so that it may be calibrated to uncouple at predetermined tension loads. The uncoupler is structured so as to substanially eliminate the effects of fluid (e.g., gasoline) delivery pressure on the tension load required for uncoupling.

Abstract: A ball catch coupling for releasably connecting two parts which permits relative rotation of the parts in the connected conditions as an annular section carried on one of the parts with a number of uniformly disposed bores at a periphery thereof, balls respectively received and rotatable in each of the bores, a closed resilient ring surrounding the balls, an annular groove in the annular section which receives the ring and permits limited axial displacement and free rotation thereof within said groove, and the other part to be connected having an annular groove which at least partially receives the ring and the balls when the two parts are connected. The limited displacement and free rotation of the ring with respect to the annular section permits engagement and disengagement to be undertaken particularly easily and with low wear.

Abstract: A closure and boss combination for providing an internally threaded outlet in a drum end includes a raised metal boss formed in the drum end and configured with a pair of concentric axially extending annular walls connected by an annular ring-shaped top surface. Securely crimped within the raised metal boss is a synthetic material closure which includes an internal series of threads surrounded by a crimping flange which includes on its outer diameter surface a series of serrations configured with alternating recesses and protruding portions. The flange includes an interior support surface which is substantially concentric with the outer surface of the serrations and the inner, axially extending wall portion of the boss is contiguous with this inner support surface in order to provide back-up support and preclude close-in of the closure and distortion of the closure threads during the crimping operation and during subsequent stress-inducing operations such as exposure to high-temperature sources.

Abstract: A breakaway fluid coupling characterized by its ability to incorporate automatic uncoupling release mechanism actuated by tension forces within a fitting having unrestricted high flow rate capacities. The coupling parts are interconnected by ball detents positionable by an axially displaceable latching sleeve, and the detents are mounted within an axially displaceable collar biased against movement by tension forces wherein such biasing action, when overcome by tension forces, shifts the collar locating the detents in a release position relative to the latching sleeve to permit automatic uncoupling.

Abstract: Multiple wall drill pipe adapted for use in a drill pipe string comprising an outer pipe member; an inner pipe member disposed within the outer pipe member; and means for releasably connecting the inner pipe member and the outer pipe member in fixed axial relationship under force loads applied in use during a drilling operation while enabling relative rotary movement between the inner pipe member and the outer pipe member during a rotary drilling operation to relieve torsional stress thereon, and for permitting the removal of the inner pipe member from the outer pipe member by relative axial displacement therebetween caused by application to the inner pipe member of only an axially directed force load in excess of the axially directed force loads applied to the inner pipe member in use during a normal drilling operation.

Abstract: A quick connect coupler for fluid transfer is disclosed in which one or both of the mating coupler members is provided with a sleeve which encloses at least a portion of said coupler member adjacent to its coupling end. The sleeve has an inlet for admission of air through its outer wall, a narrow concentric gap between its inner wall and the enclosed coupler member at said coupling end, and a passageway leading from said air inlet to said concentric gap for passage of air over said coupling end. The coupler is adapted for repeated connecting and disconnecting by cooperating releasable coupling means without loss of sterility by virtue of an air shield which is produced over said coupling end by passage of sterile air through the concentric gap.

Abstract: A tubular assembly embodying a pin and slot connection between two thin wall tubular members having end portions disposed in telescopic relation with respect to one another. The outer tubular member having the slot also has an opening extending therethrough in closely spaced relation to its edge in a position generally alongside the slot providing an axially elongated wall portion between the opening and slot. The wall portion has a fixed integral outer end spaced axially outwardly of an intermediate locking section of the slot and a fixed integral inner end spaced axially inwardly of the intermediate locking section of the slot and is operable to resiliently deflect laterally when the pin is moved axially inwardly through the slot to thereby permit the locking section of the slot to expand in its width dimension and permit yielding passage of the pin axially thereby into received relation within the inner section of the slot.