Abstract: An inflatable air nozzle connector comprises a clamping component, an airtight ring and a shell sleeve, the airtight ring is disposed in the clamping component; the shell sleeve is capable of slidably sleeving on an outer periphery of the clamping component and displacing between a pressing position and a releasing position. When the shell sleeve displaces downward to the pressing position, the clamping component is pressed, so that clamping jaws of the clamping component compress the airtight ring; when the shell sleeve displaces upward to the releasing position, the clamping jaws are not pressed, and the clamping jaws do not compress the airtight ring. When a user pushes or pulls the shell sleeve single-handedly, the inflatable air nozzle connector is capable of airtightly sleeving on an air nozzle of a tire, or separating from the air nozzle of the tire, making operation of inflating tire more convenient.

Abstract: An arrangement for releasing a coupling connection of a hydraulic quick coupler includes a hydraulic coupling for receiving a hydraulic plug. The hydraulic coupling has a coupler housing and a coupler cartridge displaceably mounted therein such that when the hydraulic plug is pushed in, the coupler cartridge adopts an operating position locking the hydraulic coupling. The arrangement also includes an actuating arrangement. The coupler cartridge is movable via the actuating arrangement from the operating position to an ejection position for releasing the hydraulic plug. The coupler cartridge is actuated by an external force operably controlled by a control arrangement.

Abstract: A power tool operable with an exchangeable tool head, and comprising a tool body, and a hydraulic cylinder with a main piston A quick coupling system is arranged at a free end of the tool body and includes an actuation unit and a locking unit movable by the actuation unit between a released position and a locked position to secure the exchangeable head to the tool body. Thee locking unit comprises a first and a second half-ring radially movable between the released position and the locked position. When in the locked position the locking unit is adapted to secure the exchangeable head to the tool body, such that transmission forces can be exchanged between the exchangeable head and the main piston. When in the released position the locking unit is adapted to release any force applied to the exchangeable head to remove the exchangeable head.

Abstract: A quick connect and disconnect system for a fluid coupling includes an axially extending fitting configured to be secured to a fluid conduit, a clip, and a quick connect and disconnect adaptor. The clip is coupled to the fitting and includes a base, a wing extending from the base, and a first lug extending from the first wing. The quick connect and disconnect adaptor includes a first release tab configured to resiliently deflect through an aperture of the adaptor. The adaptor is configured to transfer a compressive force to resiliently deflect the first lug to move the clip in an axial direction from an installed position to an uninstalled position.

Abstract: A fluid coupling includes a first coupling member, a second coupling member configured for connection with the first coupling member, and a sleeve disposed at least partially around the first coupling member and/or the second coupling member. In embodiments, the sleeve may include a first flame-retardant layer, a second flame-retardant layer, a third flame-retardant layer, and at least one reinforcement of a non-rubber, rigid material.

Abstract: The disclosure provides a filling adapter for filling vehicles with various operating materials which are fed from filling systems via connecting lines and filling adapters into circuits and containers of the vehicles. The disclosure provides a mechanical clamping element for such a filling adapter that has a lower mechanical load on the filling port than the known clamping claws or balls. The clamping element has a partially circular contour with a cross-section which, starting from a lower and flat base surface, merges upwards into two side surfaces which are arranged at right angles to the base surface and run parallel to one another, wherein the two side surfaces each merge at their end section arranged opposite the base surface into an actuating surface that runs obliquely upwards and inwards.

Abstract: A hydraulic line coupling, for a hydraulic brake or clutch of handlebar-operated vehicles, having a line connection piece with a hydraulic line extension and a housing with a coupling opening, in which the line connection piece for coupling the line to the housing can be disposed. The connection piece comprises a passage connected to the line. A valve device is disposed in the housing and is configured such that the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. The line coupling has a seal, with which seal the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. With the seal, the connection piece seals the passage from the environment when the connection piece is in the coupling opening.

Abstract: A device for connecting a hose to a water source includes a first connector having a bore between a first and second ends. A spherical plug slides within the bore and includes a plurality of runners spaced around a perimeter of the spherical plug, a gap between each adjacent runner allowing water to flow from one side of the plug to the other through the bore. An elastomeric frustoconical seal is fixed proximate the second end of the bore and adapted to occlude the seal in a disconnected position of the device. A rigid second connector has a frustoconical standoff member adapted to contact the plug through the seal from the second end of the bore of the first connector and move it away from the seal as the second connector is inserted into the first connector, the device achieving a selectable connected position.

Abstract: Disclosed is a service valve including a service valve unit with a valve handle exposed to the outside and a fitting device provided with a fitting housing coupled to the service valve unit at one end of the fitting housing, and more particularly, the present invention provides the service valve including the fitting device, characterized in that the fitting housing includes an outer thread formed by a predetermined length on an outer ring at the other end of the fitting housing, and a first inner boss protruding from the other end at a predetermined depth, in addition, the fitting device includes: a cap handle screwed to the outer thread of the fitting housing; a ring lock washer spring seated on the first inner boss; and a sleeve fitted into an inner bore of the other end and interposed between the ring lock washer spring and the cap handle, wherein the sleeve moves and presses the ring lock washer spring by rotation of the cap handle to expand a diameter of the inner bore, so as to dismantle a pipe previou

Abstract: A collapsible valve for use in a needleless access connector to reduce the priming volume of the needleless access connector. A needleless access connector with a small priming volume. A method of connecting a first medical device to a second medical device with a needleless access connector with a small priming volume.

Abstract: A nasal drug delivery device for delivering a plume derived from a propellant and a drug compound. The drug compound is in an intranasal dosage form in the form of powder, suspension, dispersion, or liquid. The propelled intranasal dosage form is deposited within the upper nasal cavity such as the olfactory region. The drug deposited within the olfactory region is delivered to the brain avoiding the blood-brain-barrier. Hydrofluoroalkane propellant from a pressurized canister is channeled to a diffuser and drug-containing channel where the intranasal dosage form is aerosolized. The aerosolized intranasal dosage form passes through a nozzle thus delivering a plume to the user's upper nasal cavity.

Abstract: An air-to-air coupling 13 (e.g. for receiving a probe in probe-and-drogue refuelling) comprises retaining members 19, 27 for interacting with a further member (e.g. a refuelling probe) to hold the further member in place. An active drive system 39, 21 may drive the holding members and may thereby also actively drive the further member into place. Alternatively the active drive 39, 21 may drive another member such as a locking member 31 to hold the retaining members 19, 27 in position once the further member is in place. The active drive releases the retaining members 19, 27 or moves them out of position to allow the further member to be removed. This allows the further member to be inserted and removed with a lower force than is used to hold it in place. The coupling may also be used for in-air recovery of an unmanned aircraft.

Abstract: A fitment assembly for use with a spout of a fluid container. The assembly includes a fitment and a poppet seal with a flexible element. The fitment includes a top portion and a bottom portion. The poppet seal extends from the bottom portion into the top portion. An attachment portion secures the flexible element within the bottom portion of the fitment. The flexible element provides a closing force to move the poppet seal from a closed to an open position. The poppet seal has a closed position, an open position, and a transport position. The poppet seal has a central support member that extends from the sealing surface of the poppet seal into the top portion of the fitment in the closed and transport condition.

Abstract: A needle assembly for use with a drug delivery device comprises a cap releasably secured to the drug delivery device and a blocking member. The blocking member comprises a disinfectant swab and a user graspable portion. The blocking member is configured to be physically moved with respect to the needle assembly by a user. The needle assembly is configured such that in an initial position, the blocking member blocks the cap from being removed from the drug delivery device and movement of the blocking member from the initial position causes the disinfectant swab to contact a septum of a cartridge retained within the drug delivery device.

Abstract: Disclosed herein are embodiments of a connector system for releasably connecting together tubes, for example medical tubing, and methods of making and using such a connector system, whereby the connector system includes a female coupler having a first passageway, a male coupler having a second passageway, a catch movably coupled to the female coupler, and a catch-receiving element coupled to the male coupler. The connector system further includes a release element movably coupled to the female coupler, whereby travel of the release element along or over a female coupler outer surface of the female coupler disengages the catch from the catch-receiving element to achieve a disconnected condition of the connector system. Further disclosed herein are embodiments of a connector system for releasably connecting together tubes, whereby the connector system includes at least one valve biased by a valve-biasing member disposed external to or outside of the fluid flow path.

Abstract: A fluid vent adapter for filling a reservoir is disclosed. The vent adapter includes a primary body having an upper portion and a lower portion, a central fill conduit for delivering a fluid into the reservoir, and a plurality of vent channels for permitting the egress of air from the reservoir during filling. The central fill conduit is connected to a plurality of radially spaced dispensing holes arranged on the lower portion. Upon inserting the vent adapter into an inlet port on the reservoir, a least a portion of the radially spaced dispensing holes are blocked. An outside diameter of the lower portion is dimensioned for a close tolerance fit relative to an inside diameter of the inlet port of the reservoir, to establish a substantially sealed relationship between the inside diameter and the dispensing holes being blocked.

Abstract: A dynamic control valve assembly for use in filling a liquid carbon dioxide storage and gas delivery system is provided, the assembly comprising: a valve body; an end nut with an inlet port for receiving liquid carbon dioxide; a chamber; an inlet cavity; a liquid port; a gas port; and a dynamic compound valve stem assembly for blocking the gas port while liquid carbon dioxide is delivered through the inlet port and allowing the liquid carbon dioxide to flow through the liquid port for storage in a liquid cylinder, and open the gas port and block the inlet port in order to allow carbon dioxide gasses from boiling liquid carbon dioxide within the liquid cylinder to pass through the gas port for storage in a gas cylinder until system pressure and temperature equilibrium is reached. The dynamic compound valve stem assembly comprises: a stem body having an inlet port poppet and a gas port poppet; an inlet cavity collar; and in some embodiments a collar biasing spring.

Abstract: A device for forming a liquid treatment apparatus includes a main part, a receiving part including a cavity for receiving a connecting head of a replaceable liquid treatment cartridge having at least one port in liquid communication with an interior of the liquid treatment cartridge. The receiving part is journalled for movement between a first and a second position with respect to the main part. The head is insertable into and retractable from the cavity in the first position. The liquid treatment cartridge is lockable to the device by at least moving the receiving part with the inserted connecting head into the second position. The movement includes a component corresponding to an intrinsic rotation in a plane parallel to a direction of insertion. The movement further includes at least a component corresponding to a displacement of the receiving part relative to the main part.

Abstract: An enhanced quick coupling configuration has a push-to-connect locking mechanism in which holding the outer sleeve does not affect the ability to connect the coupling, and the outer sleeve otherwise does not need to be restrained by additional components. The coupling includes a single sleeve spring in the locking mechanism, and the use of smaller restriction slots to house axially offset locking balls in a manner that axially constrains movement of the locking balls. When a male component is inserted into the female component during a connection operation, a shoulder on the male component sequentially contacts the axially offset rows of locking balls, which drive the inner sleeve axially in an inward direction. In the fully connected state, the inner sleeve is biased axially outward so as to push back against the inward locking balls, thereby preventing further movement of the inward locking balls.

Abstract: Portable, hand held, battery operated, hydraulic tools are provided with a tool frame and one or more interchangeable working heads. When the working head is connected with the tool frame, a piston actuated by a hydraulic system within the tool frame applies force to the working head to perform a task. A coupling mechanism holds the working head to the tool frame. The coupling mechanism allows the working head to be removed from the tool frame and another working head to be joined to the tool frame. The coupling mechanism can hold the working head at a fixed rotational angle with respect to the tool frame. The coupling mechanism can also allow the working head to rotate with respect to the tool frame.

Abstract: A coupling assembly includes a nipple component and a coupler component that are connectable to each other to form a fluid flow pathway through the coupling assembly. The nipple component includes a nipple body that defines a chamber that receives a first valve and a second valve that are moveable within the chamber, and the first valve and the second valve are spring biased against each other by a spring loaded plunger of the first valve, and a second valve spring that biases the second valve in the closed position. During a connection operation and/or a disconnection operation, a balance of forces including the spring bias, in combination with system pressure, maintains the second valve in a closed position, thereby isolating the fluid flow from an area of the chamber in which components of the first valve reside, including isolating an interface seal from fluid flow.

Abstract: There is provided a gas supply socket which can ensure sealing between an outer cylinder and an inner cylinder even when the inner cylinder, inclined with respect to the outer cylinder, is placed in the outer cylinder. The gas supply socket 10 includes an outer cylinder 11, an inner cylinder 12, a movable body 20 disposed within the outer cylinder 11, and a valve body 18 and a valve seat portion 19 provided within the inner cylinder 12. An intermediate cylinder 13 is provided between the outer cylinder 11 and the inner cylinder 12. When the inner cylinder 12, inclined with respect to the outer cylinder 11, is placed in the outer cylinder 11, the inner cylinder 12 and the intermediate cylinder 13 tilt with respect to the outer cylinder 11.

Abstract: A system and method is provided for applying an anti-pathogenic material to various surfaces of a medical device, wherein the method includes identifying various surfaces of the medical tests which include noncritical dimensions, and limiting the application of the anti-pathogenic material to those surfaces. Some aspects of the invention further include the application of an anti-pathogenic lubricant material to various parts or components of a medical device to reduce friction.

Abstract: Quick coupling including casing defining longitudinal axis, outlet and inlet, to receive at the inlet at least part of external connector to fluidity connect external connector and outlet, shutter housed within casing to translate along longitudinal axis in opposition to opposing element, housing at least part of external connector and including retainer to lock at least part of external connector within shutter in at least one position along longitudinal axis, controller accessible from outside and including first slider housed within casing to translate along locking direction skewed relative to longitudinal axis in opposition to second opposing element, to house at least part of the shutter and including lock to lock the shutter within first slider in position along locking direction, and safety to lock shutter when subjected to pressures above predetermined threshold by fluid present within coupling, wherein the shutter locks external connector at least when safety locks shutter.

Abstract: An inflation pump including a body having a cylinder and a head integrally formed with the cylinder. The cylinder includes a pressurizing space. The head includes a through-hole extending along a longitudinal axis. An intercommunication passage is disposed between and intercommunicates with the through-hole and the pressurizing space. A pressurizing unit is slidably received in the pressurizing space and is reciprocally slidable relative to the body. A nozzle unit includes a pressing device disposed in the through-hole. The pressing device includes a push seat having a check ring. The check ring includes an inner side abutting against the push seat and an outer side abutting against a portion of an inner periphery of the through-hole. The portion of the inner periphery of the through-hole is located between the intercommunication passage and the coupling end. The check ring permits air to flow only from the intercommunication passage towards the coupling end.

Abstract: A mounting device facilitates connecting an Internet of Things (IoT) device, such as thermostatic radiator valve (TRV) and automatic temperature balanced actuator (ABA), to a hydronic heating/cooling system to control the temperature of a room by changing the flow of hot/cold water through radiator. The mounting devices includes a male section and a female section, which is attached to the IoT device. The mounting device may be installed in two stages. First, a male section is attached to a component of the hydronic heating/cooling system (for example, a valve or manifold) by threading the male section onto the component. Second, a female section, is positioned to male section and locked into place by releasing a sliding sleeve. The female section (with the IoT device) may be easily removed by retracting the sliding sleeve.

Abstract: A wellbore tool and a tool section interconnection fluid coupling includes first and second coupling members arranged to be connected and disconnected relative each other. Both the first and second coupling members are arranged to be in a closed position preventing fluid passage through the fluid coupling, and in an open position allowing fluid passage through the fluid coupling. The first coupling member includes a first cylindrical housing, and a first valve element. The first valve element is movably arranged inside the first cylindrical housing. The cylindrical housing includes a valve seat. The valve element is arranged to push against the valve seat when the first and second coupling members are disconnected. The valve element includes a first support portion between a hollow portion and a seal groove.

Abstract: Disclosed are devices and methods for dispensing flowable material. A dispensing assembly may include a spout defining an internal surface and a passage therethrough, the spout having a first receptacle defined on the interior surface; a first slider insertable into the spout, the first slider having an external surface that defines a first locking ridge configured to releasably engage with the first receptacle; and a second slider insertable into the first slider. The first slider may be configured to move within the spout and be configured to have a first configuration and a second configuration different from the first configuration.

Abstract: A valve assembly includes a pipe fitting through which a gas is configured to flow. The inlet of the pipe fitting is configured to connect to an open port of a fire suppression sprinkler system so that gas flows from the fire suppression sprinkler system into the pipe fitting. The valve assembly also includes a vent valve. The inlet of the vent valve is connected to the outlet of the pipe fitting. The vent valve is operable to move between an open position and a shut position. The valve assembly includes an inert gas analyzer and at least one vent port upstream of the inert gas analyzer. The inert gas analyzer is positioned to measure the inert gas content of gas flowing in front of the inert gas analyzer and through the vent port to an outside environment.

Abstract: Various embodiments of the present disclosure provide a fuel cartridge for a gas-powered fastener-driving tool. In one embodiment, the fuel cartridge comprises a body that has a longitudinal axis and that defines an internal fuel storage cavity. The body is shaped and sized to be inserted at least partially into and removed from a housing defined by a case of the tool via translation along the longitudinal axis. The cartridge also includes a connection and fuel dispensing end fitting connected to the body and sized and shaped to engage an end fitting of the tool within the housing. The cartridge also includes a first cam surface extending at least partially around the longitudinal axis and configured to, during relative rotation of the first cam surface and a second cam surface, engage the second cam surface to facilitate removal of the fuel cartridge from the housing.

Abstract: A disinfecting cap includes a body comprising an opening, a bottom, and a chamber defined between the opening and the bottom. The chamber is configured to hold a liquid disinfectant. A male post extends from the bottom towards the opening of the body. A wall of the chamber comprises a thread originating proximate the opening and extending into the chamber. At least a portion of the thread has a height that increases as a function of increasing distance from the opening.

Abstract: A welding torch system includes a receiving assembly to receive a contact tip and a welding nozzle. The welding torch system also includes a locking element that retains the contact tip in a partially secure position. Further, the welding torch system includes the welding nozzle configured to couple to the receiving assembly to retain the contact tip in a fully secure position.

Abstract: A solution is proposed for closing a mouth (125) of a container (110) of a liquid (105).

Abstract: To provide a safety joint capable of preventing a component of a weighing machine side member or a vehicle side member is broken in case that the weighing machine side member and the vehicle side member are separated from each other in an emergency when a vehicle runs while hydrogen gas is filled for instance. The safety joint (100) according to the present invention includes a plug (10) with a cylindrical shape in which a passage (1A) is formed, a socket (20) in which a passage (21A) continuing to the passage (1A) in the plug (10) is formed, and a shut off valve mounted on the passage (21A) in the socket (20), the shut off valve opening when the plug (10) being inserted into the socket (20) and closing when the plug (10) being disconnected therefrom, wherein central axes of the passages (1A,21A) of the plug (10) and the socket (20) do not form a straight line, a cover (50) for protecting a valve rod (2) mounted on one of the plug (10) and the socket (20) is mounted.

Abstract: A welding torch system includes a diffuser assembly that includes a locking mechanism to receive a contact tip. Additionally, the welding torch system includes the contact tip, which includes locking elements configured to interact with the locking mechanism of the diffuser assembly to secure the contact tip within the diffuser assembly. Further, the contact tip is rotated within the diffuser assembly to securely align the locking elements with the locking mechanism.

Abstract: Disclosed herein are embodiments of a connector system for releasably connecting together tubes, for example medical tubing, and methods of making and using such a connector system, whereby the connector system includes a female coupler having a first passageway; a male coupler having a second passageway; and a catch assembly comprising a catch movably coupled to the female coupler, a catch-biasing member which biases the catch, and a follower responsive to a cam, whereby the catch is responsive to the follower and correspondingly, the cam.

Abstract: This coupling (R) comprises a male element (A) with a stepped outer groove (20), a female element (B) with locking balls (7), a locking ring (9) provided with a front inner notch and a rear inner notch axially separated by an inner rim, a spring that pushes the locking ring (9) back into the forward position, and a valve movable in the female element (B) and pushed by a spring (14) back to the closed position. The male element (A) comprises a valve movable in an inner channel (200) of the male element (A) and a spring (48) that pushes the valve of the male element (A) back toward a closed position of the inner channel (200).

Abstract: A coupling for connecting conduits of a vacuum conveying device with each other has a coupling piece to be disposed on a first conduit and a counter coupling piece to be disposed on a second conduit, wherein the second conduit is flexible. The counter coupling piece is insertable into coupling piece. A holding ring is disposed on the second conduit so as to be freely rotatable on the second conduit about an axis of the counter coupling piece. A transponder is supported on the holding ring. A sensor disposed on the first conduit is operatively correlated with the transponder.

Abstract: A container and methods for storing and mixing a two-component composition is provided. The container includes a body, a first plug and a second plug. The body has a first end, a second end, and a bypass with a length L disposed between the first and second ends. The first and second plugs are slidably disposed in the body and define a first compartment. A second compartment is disposed in the body between the second plug and the second end. The second plug has a first edge, a second edge, and a plurality of spaced-apart primary conduits extending through the second plug. Each primary conduit has a separate first opening. A distance D extends longitudinally from the first edge to the second edge and a distance E extends longitudinally from the first edge to the first opening that is nearest the first edge. D?L and E<L.

Abstract: A connector system for a medical device includes a first connector having an elongate opening, and a second connector including a lock portion, where the first connector is movable relative to the second connector between an initial position where the first connector is not in fluid communication with the second connector and an activated position where the first connector is in fluid communication with the second connector. The system also includes a locking member connected to the first connector. The locking member is transitionable between an unlocked position where the second connector is movable within the elongate opening of the first connector and a locked position where the locking member is configured to engage the lock portion of the second connector to lock the first connector to the second connector in the activated position. The locking member comprises a spring body received by the elongate opening of the first connector.

Abstract: A system and method for accurately and efficiently testing a HEPA filter in a sterile environment, such as a clean room, by creating a closed-loop system. The system includes a multi-port interface including at least a challenge port and a verification port, each port being in communication with an area upstream from the HEPA filter. Through the challenge port, test substances are introduced to a supply air duct that is in communication with a HEPA filter. Through the verification port, a concentration of the test substances can be measured for comparison with a concentration that passed through the HEPA filter, i.e. downstream from the HEPA filter. As such, test substances can be dispersed throughout the air conditioning system before interacting with the HEPA filter, and accurately measured. The closed loop between the ports provides an accurate measurement of the concentration of test substances to test the HEPA filter.

Abstract: A quick-disconnect coupling including a hollow coupler body having opposite open ends and defining an adaptor-receiving socket therein, a gasket housed within the coupler body at a base of the adaptor-receiving socket, the gasket having a sealing ring and a bellows portion, and at least one locking tab connected to the coupler body such that the at least one locking tab is able to pivot relative to the coupler body between a locking position and an unlocking position for purposes of locking and releasing an adaptor to the coupler body.

Abstract: The present invention relates to a connector, in particular plug connector, for the releasable connection of two lines along a connector axis, having a line, a connection mechanism which has a sleeve and a drag element, and a holding element for holding a counterpart connector to be connected, wherein the sleeve is displaceable over the drag element, the holding element and over the line, wherein the drag element and the sleeve are each displaceable between a first position and a second position along the connector axis and the sleeve is designed to actuate the drag element, by means of an axial displacement of the sleeve, in order to connect the connector to, or release the connector from, a counterpart connector.

Abstract: A fastening element is proposed for fixing an attachment element on an extension piece of a syringe or a carpule, said extension piece having, on an outer face, at least one projection, wherein the fastening element (1) has an annular main body (3) on which a ring element (13) is articulated such that the ring element engages around the extension piece in a mounted state. The ring element has an annular first wall portion (15), which is articulated on the main body (3) via a first bearing area (19), and has an annular second wall portion (17), which is articulated on the first wall portion (15) via a second bearing area (21), wherein the first and second wall portions (15) and (17) are preferably connected to each other resiliently and enclose between them a free space (23), and wherein the first wall portion (15) is connected resiliently to the main body (3).

Abstract: A self-sealing end fitting includes a valve, an adaptor, and a connector. The valve may define a longitudinal axis and may include a first end portion, a second end portion, a flange disposed therebetween, and a central bore. The adaptor may have a first end portion surrounding at least the second end portion of the valve, and the connector may surround at least the first end portion of the valve. A portion of the connector, a portion of the flange, and a portion of the first end portion of the adaptor may define a pocket. The valve may be configured to move axially relative to the adaptor. In embodiments, a sealing surface of the flange may contact a corresponding sealing surface of the first end portion of the adaptor to form a first seal within the pocket, and the first seal may comprise a metal-to-metal seal.

Abstract: A quick connect apparatus for plumbing fixtures comprises a base assembly and adaptor assembly and allows plumbing fixtures to quickly be attached (or unattached) to an external shower box or well housing. Numerous watertight seals provide confidence to the user that the quick connect plumbing apparatus will not be wasting water through unnecessary leaks.

Abstract: A quick connect fitting has a coupling assembly, a socket assembled on the coupling assembly, multiple blocking balls, multiple locking balls, and an operating assembly. The multiple blocking balls and the multiple locking balls are mounted in the socket. The operating assembly is mounted around the socket and has a first operating sleeve, a first compression spring, a second operating sleeve, and a second compression spring. The first operating sleeve is blocked by the multiple locking balls. The first compression spring abuts against both the first operating sleeve and the coupling assembly. The second operating sleeve is blocked by the multiple blocking balls. The second compression spring abuts against both the first operating sleeve and the second operating sleeve. Operating the first operating sleeve and the second operating sleeve sequentially can safely remove a plug.

Abstract: In a throttle device, a guide section including a small-diameter hole which slidably guides a guide stem of a needle member is formed upstream side portion from a communicating hole-in a guide tube.

Abstract: A simply lockable quick coupling for releasably connecting a hose to an implantable apparatus, comprises a first attachment piece that can be connected to the hose and a second attachment piece that can be connected to the apparatus, wherein the attachment pieces can be rotated relative to each other in the locked state.

Abstract: Various embodiments of the present disclosure provide a reusable valve in which a seal portion is co-molded with and overmolded to the valve stem to provide a secure mechanical bond therebetween. In one embodiment, the valve includes a snap fit between the valve stem and a retaining cap to provide easy assembly of the valve as well as an efficient and compact retention mechanism for a biasing spring and the valve stem in relation to the valve housing. In one embodiment, the valve includes an easy-to-use opening and closing mechanism that provides tactile feedback to the user when moving the valve stem to an open position and to a closed position to inflate, deflate, or maintain air or gas pressure in the inflatable article. The present disclosure also provides a dunnage bag with such valve.