Abstract: Coupler devices, systems, and related methods for coupling ducts are provided. In some aspects, a duct coupling device includes a hollow body, at least one coupler seal disposed about an outer surface of the body, and a plurality of apertures extending through the body for facilitating the passage of a fluid and/or any other medium therethrough. A duct coupling system includes a duct coupling device with a sealing member, coupler transitions adapted to receive the duct coupling device, and a sealing member. The sealing member is configured to seal an annular space disposed between a first surface of the duct coupling device and a surface of one of the first and second ducts. A method of coupling ducts includes providing a first coupler transition on a first duct, providing a second coupler transition on a second duct, and providing a duct coupling device between the first and second coupler transitions.

Abstract: A nozzle assembly including a nozzle. The nozzle has an elongated body. The elongated body has a nozzle end at one end and a connection portion at another end. A joint section is connected with the connection portion. The joint section allows the nozzle to move axially and radially when an axial force is applied to the nozzle end.

Abstract: A coupler that can be configured for easy insertion and removal from an unthreaded cavity within a manifold or other part. The coupler includes an axially movable lock member that also carries a valve member for sealing against a valve seat of a main coupler body. The coupler also has a plurality of radially flexible fingers spaced apart by slots, and a lock member has one or more stop portions that engage the fingers to prevent radial collapse of the fingers for retention of the coupler in the cavity in the part.

Abstract: An end fitting 40 for a hose 10, the hose 10 comprising an inner portion 100 and an outer portion 102.

Abstract: Slickline cables and methods for preparing such cables are disclosed. A slickline cable includes a pre-manufactured polymer composite rod having a channel therein; an optical fiber disposed in the channel; a fastener securing the optical fiber in the channel, wherein the fastener is selected from the group comprising a polymer tape, a polymer layer, and a combination thereof, and an outer tube disposed outside the polymer composite rod having the optical fiber therein. A method for manufacturing a slickline cable includes preparing a polymer composite rod having at least one channel therein; placing at least one optical fiber in the at least one channel in the polymer composite rod; securing the at least one optical fiber in the at least one channel using a polymer tape, a polymer layer, or a combination of a polymer tape and a polymer layer; disposing an outer tube over the polymer composite rod.

Abstract: A remotely actuated quick-release coupling having a male assembly and a female assembly. The female assembly has an inner sleeve and an outer sleeve, with the male assembly being removably insertable into the inner sleeve. A spring-loaded latching mechanism is located in the female coupling and is automatically engaged when the male assembly is inserted into the female assembly, connecting the coupling. The cylinder defined by the inner and outer sleeve can be pressurized through an external port using either air pressure or hydraulics. When the cylinder is pressurized, the latching mechanism is disengaged, allowing the male assembly to be removed from the female assembly, disconnecting the coupling.

Abstract: A fluid pressure hose coupling for connecting a flexible hose to a pressurized fluid line. The coupling has a connecting end section for securement to a pressurizable line and a cylindrical nipple end section for securing an end section of a flexible hose thereto. The nipple end section has a tapered cone-like outer surface having a larger outer diameter section at a free end thereof. A cylindrical hose clamping sleeve is positionable about the nipple end section and also has an inwardly tapered inner surface whose diameter is larger at the front end thereof and wherein the inner surface of the clamping sleeve and the outer surface of the cylindrical nipple end section extend parallel to one another.

Abstract: A coupler connects a gas leakage testing system to a pipe forming a part of a high pressure fluid conduit system, and a stationary case connected to the gas leakage testing system, a movable member movable in the inner space of the stationary case in an axial direction thereof, a coil spring urging the movable member in the axial direction, a split clamper arranged around the outer surface of the pipe and an axial force-to-radial force converter provided between the movable member and the split clamper form in combination the coupler; when the coupler is attached to the pipe, the coil spring urges the movable member in the axial direction, and the axial force-to-radial force converter inwardly exerts a radial force on the split clamper so as to grasp the pipe; since the split clamper is held in surface contact with the pipe, the pipe is never deformed due to concentration of a stress.

Abstract: A tube testing connector adapted to engage a tube for pressurization thereof including a hollow body defining an entrance aperture at one end thereof for insertion of a tube to be tested and a pressure aperture defined in an end cap positioned at the other end of the body in sealing engagement with the body. The tester further includes a chamber having disposed therein retention gripping means to initially grip the inserted tube prior to pressurization. The connector operates such that when the tube is pressurized, the components of the tube testing connector exert an increased gripping force on the outer diameter of the tube to be tested so as to secure it in place during the test procedure.

Abstract: A hose-coupler made up of a just one component having a main housing section with a female end and a male end. The second female end of the coupler is formed with interior threads, for receiving therein a portion of the male end of the second hose. The main housing section has a compressible portion adjacent to the first male end thereof all the way to the end of the female end. In order to compress the clamping jaws, there is provided a slidable outer housing. The male end is sealed in the female end of the coupler by a biased piston-member that forces a sealing washer against the male end by means of the pressurized fluid volume in the interior of the coupler. Two embodiments are disclosed: A first one that allows the coupler to be disconnected from the male end of a hose only after the water pressure has been turned off; and a second embodiment that allows the coupler to be disconnected from the male end of a hose also while the water pressure is still present.

Abstract: A pipe joint for connecting pipes for passing a variety of fluid such as liquid or gas has been improved and has a pipe slipout preventive mechanism. In structure, the main body of the pipe joint is formed by coupling a nipple and a socket. An insert to be fitted externally by a pipe to be connected is installed slidably to the nipple. A collet for tightening the pipe is installed outside the insert with a proper spacing thereto. And the socket has a tapered part which is diminishing in diameter toward the pipe insertion port. A stopping member engages with and stops at the tapered part of the socket is provided outside of the insert.

Abstract: A tool to be mounted to smooth wall tubes. The tool has an entry for the tube end, a split collet member cooperating with an annular seal within the tool, and a piston or ram element which is translated to sealing by fluid pressure acting on the piston element. This force provided by the piston element causes the split collet to engage the tube and to provide the force necessary to compress the seal around the tube. The tool may be provided as a dead head, or may be coupled to a second conduit for conveying fluids therethrough.

Abstract: A pressure balanced coupling device for quick connection and disconnection with at least one mechanism. The device operates to maintain a sealed flow-through connection between two devices which may also contain a pressurized medium such as refrigerants. The preferred device permits non-destructive gripping of tubing while affording readily selectable means for safely releasing pressure from within the device prior to releasing the gripping connection provided by this coupling device.

Abstract: A plug coupling for providing a pressure-sealed connection to a device provided with a connecting member comprising a cylindrical housing; a piston shiftable within the housing clamping jaws connected to the piston and concentrially arranged around the longitudinal axis of the housing and radially displaceable by means of a ramp arrangement by an axial movement of the piston relative to the housing; pressure is applied to said piston for moving it in longitudinal direction of the housing thereby pressing the clamping jaws radially inwards or outwards by means of said ramp arrangement. The free ends of the clamping jaws are moved into an engaging position for engagement with said connecting member.

Abstract: The fitting comprises a tubular outer casing provided with a fixed inlet portion and an axially movable outlet portion. Inside the casing there is provided a releasable connection system, which in response to a strong stress of mutual removal of said casing portions causes the axial removal of said outlet portion, eventually in combination with the moving of a shutter to a closing position of said inlet portion.

Abstract: A socket valve of a quick-coupling for fluid lines under pressure has a sliding sleeve into an end recess of which a portion of a plug valve of the coupling is insertable, to be held by locking means. The sleeve is movable between a securing position in which it holds the locking means in locking position, and two axially displaced release positions in which it permits the locking means to release the plug valve. The sleeve is spring-biased to the securing position. As an additional safety factor, the sleeve is surrounded by an annular chamber at least one open end of which receives an annular piston. The chamber is communicated with the pressure fluid in the valve so that, when the sleeve is in the securing position, the fluid pressure biases the piston to a position in which it prevents accidental uncoupling of the plug valve, even in the event the biasing spring for the sleeve should break.

Abstract: A fitting for mounting to the ends of smooth wall tubes, particularly, expanded end tubes and beaded or barbed end tubes. The fitting grips behind the expansion or beaded end on the tube and seals on the tube outer diameter. The fitting also has a pressure assist design that furnishes increased sealing and gripping action with increase in sealing pressure.