Abstract: A heavy duty, locked, tubular quick coupling used for coupling oil and gas well tubing or pipe joints, thus allowing long strings of pipe and tube joints subsequently connected to at least one such quick coupled joint to be lifted as a string, thereby applying tensile loading to the quick coupled joints. Both interior and exterior locking arrangements for the locked quick coupling are disclosed which utilize twist-locking elements secured in position by a locking washer and cap nut. Arrangements are also disclosed illustrating how the locking couplings are used for fast setup of wire-line riser strings utilizing multiple specialty subs and valve assemblies.

Abstract: A device for shielding a coupling includes a generally central opening in which the coupling is disposed and at least one socket hole into which only a thin wall deep socket can operate to engage and disengage a screw into and from said socket hole. The device prevents tampering with the coupling.

Abstract: A pipe joint provided with a pipe joint main body having an insertion cylinder portion inserted to an end portion of a pipe to be connected, a seal member attached to a peripheral groove on the insertion cylinder portion, a clamp ring with a slit for fastening the end portion of the pipe outserted to the insertion cylinder portion with elastic fastening force, and a diameter-extension piece detachably held at the slit as to extend the clamp ring resisting the elastic force of the clamp ring and detached by contact with a forth end of the pipe.

Abstract: The present invention relates to a coupler, in which a guard cap coupled to a high-frequency heat-sealed cap member is additionally provided at both ends of the body member to prevent the collator and the tube from separating from the body member and cut off foreign matter from flowing into the body member, and the color of the guard cap is made different to make it easy to identify from outside the contents flowing in the tube. The coupler comprises a coupling member 200 and 200a having a plurality of guide protrusions 210 and 210a that are formed at predetermined lengths and regularly spaced intervals and extended along the outer rim of a cap member 12 and stop protuberance 220 that is bent-formed at one end portion of the guide protrusions 210 and 210a; and a guard cap 100 that is coupled to said coupling member 200 and 200a so as to prevent the collator 30 and the tube 20 from being separated from the body member 11 by external force and foreign matter from infiltrating into said tube 20 from outside.

Abstract: A fluid tank valve assembly of the type employed for water tanks for toilets has a tank refill valve located atop a fluid inlet supply tube. The refill valve has a lever that is raised and lowered to open and close the valve. An inverted, cup-shaped hood is positioned atop the valve and a float is located about the skirt of the hood and secured thereto by the force of friction. The float can be moved longitudinally along the skirt of the hood in order to vary the water level at which the hood bears down upon the lever arm or is lifted from the lever arm, thereby varying the water level at which the valve is actuated. The valve itself is equipped with a metering pin that is configured to reduce the likelihood of clogging in the longitudinal passage of the core of the valve diaphragm.

Abstract: A high-pressure connection device having a housing (1), in which a receiving opening (3) is provided, into which opening an inlet conduit (9) extending in the housing (1) discharges. A pressure tube connector stub (15), in which a high-pressure conduit (22) is embodied that discharges on one end into an end face (19) of the pressure tube connector stub (15) has a male thread (17), which engages a female thread (5) embodied in the receiving opening (3). As a result, the pressure tube connector stub (15) upon being screwed into the receiving opening (3) comes, with a sealing face (21) embodied on the end face (19), into contact with a seat face (7) of the receiving opening (3). Both threads (5; 17) are embodied as sawtooth threads, and the thread flanks (205; 217), which are embodied at least approximately perpendicular to the longitudinal axis (26) of the female thread (5), rest on one another with nonpositive engagement in the tensed state.

Abstract: Fittings of this invention comprise a body having a substantially hollow transport passage extending between a body first end and a body second end. The fitting body ends are adapted to accommodate attachment with respective fluid handling devices. The fitting has a hexagonal outside surface portion for grasping and rotating the fitting. An interlocking attachment member is disposed along an outside surface of the fitting body and is adapted to form an interlocking attachment with a complementary member of a fluid handling device when the fitting is connected thereto. The interlocking attachment member comprises a plurality of ratchet teeth that are configured to register with a complementary fluid handling device member. The fitting body first end includes a tongue that is configured to provide an interference fit within a groove in a fluid handling device opening to provide a leak-tight seal between the fitting the fluid handling device.

Abstract: A separable rapid-action coupling serves for connecting fluid lines includes a tubular plug-in part with a circumferential holding rib, a coupling housing with a cylindrical receptacle cavity for the plug-in part and a separate holding element. The holding element has elastically expandable holding edges that are radially directed into the receptacle cavity. The holding edges engage behind the holding rib after insertion of the plug-in part. A safety clip with a second locking mechanism is situated in front of the plug-in opening of the housing in case the snap-in mechanism of the holding element fails. The safety clip includes a frame that fits on the end face of the coupling housing and two elastically expandable clips that engage corresponding projections on the coupling housing. The safety clip has snap-in fingers that can be inserted into the receptacle cavity.

Abstract: A pipe coupling comprising two clamp halves connected on one end and with a rapid action closure for separably connecting the diametrically opposing other end. The rapid action closure contains a screw bolt, one end of which is coupled to one of the clamp halves and onto the other end of which a screw nut tightens the clamp half into the closed position. A lever lockable in the closed position by a bow-type spring is coupled to the screw nut. The pipe coupling comprises a bow-type spring in each clamp half, wherein the eyelet of the bow-type spring is centrally coupled to the region of the articulated connection between the clamp halves and the free end of the bow-type spring is held in the region of the end of each clamp half which is situated on the rapid action closure such that it can be longitudinally displaced.

Abstract: A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fitting includes a first coupling member having a pipe receiving section adapted to receive a conventional fitting on a pipe, and a ramp support section with a pair of spiral ramps formed therearound. The quick-connect fitting also includes a second coupling member that sealingly engages the first coupling member. An extension portion of the second coupling member is adapted to receive a conventional fitting on a tube. A locking collar is movably engaged with the second coupling member and has a pair of lock members disposed on an interior surface of the collar that slidably engage with the spiral ramps when the collar is rotated around the ramp support section of the first coupling member.

Abstract: A medical connector, usable to securely couple a first tubular medical device to a second tubular medical device, includes first and second fittings cooperating with the first and second medical devices, respectively. The first and second fittings may each include a nipple, a ferrule, or some other structure that is connected to the associated medical device and that is connectable to the other fitting. The second fitting may additionally include a tubular sleeve that slides over the second medical device and the ferrule or other component of the second fitting. The two components of the second fitting are sequentially connectable to the first fitting through distinctly different motions to provide a redundant, secure connection. For example, the first fitting may include a first set of left-handed threads and a second set of right-handed threads, and the components of the second fitting may have corresponding left-handed and right-handed threads.

Abstract: A coupling assembly for coupling fluid components includes a female coupler having a receiver defined therein. A male coupler has an insert, the insert being receivable within the female coupler receiver in sealing engagement. And, a spacer is matable to both the female coupler and the male coupler when the female coupler and the male coupler are in sealing engagement, the spacer effecting positive engagement of the female and the male couplers. A method of coupling/uncoupling a coupling assembly is also included.

Abstract: A female element of a quick connection for removably joining two pipes through which a fluid passes wherein the element includes a body defining a housing for receiving a portion of a male endpiece. A retaining device is operable to selectively retain the endpiece in fitted configuration in the female element and includes a push-button which carries a lock for selectively locking the endpiece in the housing or for preventing the introduction of the endpiece in the housing.

Abstract: A male coaxial connector adapted for receiving a female connection member. The male coaxial connector defines an axial direction along its major axis. The male coaxial connector includes a spring basket biased towards an open position which is positioned around a male connection member. The spring basket is adapted for engaging the female connection member. The male coaxial connector also includes a sleeve reciprocally positioned around the spring basket and the male connection member. The sleeve is movable in the axial direction with respect to the spring basket such that when the sleeve is in a forward position or rearward position with respect to the spring basket, the spring basket is in an open position. The female connection member can be released from or inserted into the spring basket when the spring basket is in its open position.

Abstract: A thread for expandable downhole tubular connections is disclosed. It features a locking pattern on the pin and box, which engages upon expansion of the connection. The locking pattern compensates for longitudinal shrinkage away from a torque shoulder, as a result of expansion. A resilient seal can be incorporated into the design with pin to box clearance disappearing around the seal as a result of expansion. Resilient seals can be used in tandem to trap atmospheric pressure between them. The wellbore hydrostatic pressure helps engage the locking feature by pushing the box into the pin, helped by the trapped low pressure between the seals.

Abstract: A hose and quick connect coupling assembly comprising a receiving hose, an insertion hose, a pair of quick connect coupling halves each coupling half being identical to the other, and a securing clasp. The securing clasp releasably secures the coupling halves around the receiving hose, thereby forming a releasable coupling as the insertion hose in inserted into the receiving hose. The insertion hose may be removed by depressing the coupling halves together, causing the top portions thereof to pivot away from the insertion hose. The securing clasp may also be removed from the hose coupling, thereby removing the coupling halves from the receiving hose.

Abstract: A pipe coupling comprising a socket having a plurality of locking balls capable of engaging a locking portion on a plug and connected to the plug with the locking balls in engagement with the locking portion. The socket includes a main cylinder having an end portion formed with an inlet to receive the plug and an outer cylinder located close to the end portion of the main cylinder and around the outer periphery thereof. The main cylinder and the outer cylinder define a gap having a tapered profile between them, and the locking balls are stored in the gap. The locking balls can project and recede from the inner periphery of the main cylinder. Further, the pipe coupling comprises a thrust cylinder slidable on the outer periphery of the main cylinder. When the locking balls engage the locking portion, the thrust cylinder prevents centrifugal movement of the locking balls.

Abstract: The releasable plug coupling is used for connecting fluid lines, particularly, fuel lines of motor vehicles. The plug coupling comprises a tubular plug-in part (3) with an annular retaining lip (4) as well as a coupling housing (1) with a cylindrical receiving space (2) for inserting the plug-in part (3) and a separate retaining element (7) with elastic retaining edges (11) that project radially into the receiving space (2) and that grip behind the retaining lip (4) after the plug-in part (3) is inserted into the receiving space (2). The retaining edges (11) are attached to support bodies (12) that are connected at their ends by elastic connecting pieces (14) that form a V to pressure plates (15). These plates extend outwards through corresponding openings (16) in the housing wall (17) and are pressed together from the outside for releasing the coupling.

Abstract: A quick connector includes a male component in the form of a spool fixedly mounted to a fluid conduit and a female component in the form of a housing having a bore open at one end for receiving the male component therein. A latch is rotatably mountable on the spool and is movable relative to a transverse channel in the female component between a first installed position with respect to the channel and a second latched position wherein the latch engages opposed notches in the channel to latch the spool in the housing. At least one latch clip is mountable on the latch and engageable with edges of the channel in the body to resist rotation of the latch from the latched position. An optional secondary latch clip is engageable with the latch clip, the latch and the opposed side edges of the channel to further resist rotation of the latch from the latched position.

Abstract: A locking tubing system includes a length of tubing lying in any geometric complexity including a substantially straight line and a first fitting body having a securing member rotationally locked thereto. The first fitting body is affixed to one end of the length of tubing. The system also includes a first nut having a plurality of openings in cooperative relation to engage the securing member, a second fitting body having a securing member rotationally locked thereto, the second fitting body is affixed to the other end of the length of tubing and a second nut having a plurality of openings in cooperative relation to engage the securing member. The first nut and the second nut are threaded onto corresponding mated fittings, each securing member being engaged with at least one of the openings of the respective nuts thereby locking each of the nuts to the respective fitting body.

Abstract: A quick coupler retention clip is disclosed for preventing an inadvertent disconnection of a quick coupler. The clip device includes a unitary clip having a first and a second end. The first end of the clip is of annular configuration so that the body of the coupler extends through the annular first end for anchoring the first end of the clip relative to the body. The second end of the clip is a C-shaped configuration to removably engage a groove defined between a collar and the body of the coupler. A strap extends between the first and second ends of the clip for securing the first and second ends of the clip together. The disconnection of the body from the port of the quick coupler is permitted only when the C-shaped second end is removed from engagement with the groove so that inadvertent disconnection of the body from the port is prevented.

Abstract: A hydraulic connector assembly is provided to couple an extension rod to a piston rod in a reciprocating pump. The connector assembly utilizes a single hydraulic ram to provide the compressive connecting force between the two rods. The connector assembly includes a mechanism for mechanically locking the hydraulic ram in place so that loss of hydraulic power does not uncouple the assembly. The piston rod and the connector rod can be coupled and uncoupled without the use of heavy wrenches, hammers, or impact tools.

Abstract: A high-pressure pipe element having hooped tube sections for making lines referred to as kill lines and choke lines that equip oil drilling installations, notably offshore. The element includes several hooped tube sections (51 to 56) connected by connecting parts (3).

Abstract: A self-locking quick release coupler includes a handle and a lever. The first distal end of the handle is adapted to be secured to a side face of the groove adapter. The handle has a head formed on the first distal end thereof. The head is extendable into a side face of the groove adapter so as to secure a tube inserted into the groove adapter. The lever partially extends through the handle to be pivotably received in the handle. The lever has a hook formed on a first distal end of the lever to adapt to hook a pin of the groove adapter and a press formed on a second distal end of the lever. The pivotable movement of the lever allows the hook of the lever to selectively hook the pin so as to secure the handle relative to the groove adapter.

Abstract: A connector (1) for connecting together at least two tubular members (3) includes a body (7) having tubular mouth portions, each receiving one of said tubular members. At least one of the mouth portions is provided with means for connecting the body to a tubular member, the connection means comprising sealing means (17) for sealing the body against the tubular member and securing means for preventing relative longitudinal movement between said body and said tubular member. The securing means comprise a first securing member (25) for engagement with the tubular member and being deformable between a tubular member engaging position and a position allowing said first member to be readily moved along the tubular member, and a second securing member (31) being for holding the first securing ember in its tubular member engaging position. The body and first and second securing members are adapted to coact to prevent, in use, relative longitudinal movement between said first securing member and said body.

Abstract: A coupling arrangement connects two elements with each other. The coupling arrangement includes a plug element and a bushing element which are configured in such a manner that they can be plugged together and locked in position by means of an expandable retaining ring. An axially movable release arrangement cooperates with the retaining ring in order to release the locking mechanism. The coupling arrangement is characterized in that the release arrangement (41) comprises a release sleeve (43), which can be closed with a cover (51) on its side facing away from the bushing element (5), and that a blocking device (55) is used to prevent an inadvertent release of the coupling.

Abstract: A pipe coupling comprises a socket including a valve body, socket body having holes, lock balls stored in the holes for pressing the lock balls radially inward at an advanced position and for releasing the lock balls at a retracted position, and a plug having an engaging groove and being adapted to open the fluid passage when the plug is engaged with the socket. The holes in the socket include first and second holes individually extending in the axial direction, the first holes extending closer to the distal end side than the second holes. The valve body is returned to a position in which the fluid passage is closed, when the lock balls are located on the extreme distal end side of the first holes.

Abstract: The present invention relates to a high-pressure pipe element consisting of hooped tube sections for making lines referred to as kill lines and choke lines that equip oil drilling installations, notably offshore. The element consists of several hooped tube sections (51 to 56) connected by means of connecting parts (3).

Abstract: A seal mechanism for conveniently coupling bayonet-type connectors while providing stable compression of the seal therebetween. The mechanism enables a more rigid configuration providing increased resistance to deformation from lateral forces. The mechanism incorporates an internally threaded coupling nut support element which cooperates with a threaded flange projecting from the plug sleeve to maintain a hermetic seal under conditions applying lateral forces to the connection. Interaction between the support element and the threaded flange permit the support element to be installed onto or removed from the connector assembly.

Abstract: A coupling assembly that includes: a) a female coupling member including a cavity opening onto its receiving end, where the cavity has an annular groove; b) a male coupling member including annular rib, the rib having a tapered leading edge, a trailing edge and a maximum diameter between the leading and trailing edges; c) a diametrically expandable locking ring carried in the annular groove of the female coupling member; and d) an annular collar slidably carried on the male coupling member axially between the trailing edge of the annular rib and the trailing end of the male coupling member, where the annular collar includes an outer circumferential surface having an outer diameter substantially equal to or greater than the maximum diameter of the annular rib and where the annular collar is slidable on the male coupling member from an unlocked position, in which the collar is positioned axially against the annular rib providing a relatively smooth circumferential surface from the trailing edge of the annular r

Abstract: A coupling assembly comprising a female connector body, a male member, a retainer and a dust barrier with integral secondary latch. The female connector body defines a bore extending axially inwardly into the body from an entrance. A radial face is defined in the bore axially inwardly of the entrance. The male member is received within the bore and having a radially enlarged annular upset. The retainer has at least two locking beams extending between the upset and the radial face to retain the male member in the bore. The locking beams define a slot between said locking beams. The dust barrier with integral secondary latch is slidably mounted on the male member axially outward of the retainer. The dust barrier has a skirt surrounding the entrance. The dust barrier further has at least one leg extending axially inward into the bore engaging the radial face to secure the dust barrier to the female connector body.

Abstract: A spring-biased holder 42 for pressing a locking ball (41) is accommodated between an outer sleeve (30) fitted onto an outer surface of a coupling part (21) of a coupler main body (20) and the outer surface of the coupling part (21) so as to be capable of moving back and forth. A coupler (10) can be attached to a plug (51) of a dialyzer (50) easily with a single operation by moving the holder (42) back and forth. In cleaning using a cleaning adapter (60), the coupler (10) is attached to the adapter (60) while releasing the locking ball (41) with a pressing protrusion (67) of the adapter (60), so that the inside of the coupling part (21) can be surely cleaned.

Abstract: A fluid line with a filter insert. The fluid line is adapted for efficient, safe transfer of fluids for fueling of vehicles. The fluid line includes a tubular housing with a filter element positioned therein. The fluid line also includes a slide-over or threaded sleeve arranged on a housing of the fluid line. The sleeve is mounted such that it can be readily moved for exchanging the filter element.

Abstract: The separable rapid-action coupling serves for connecting fluid lines, in particular, fuel lines in the manufacture of automobiles. This coupling consists of a tubular plug-in part (3) with a circumferential holding rib (4), a coupling housing (1) with a cylindrical receptacle cavity (6) for the plug-in part (3) and a separate holding element (2) with elastically expandable holding edges (5) that are radially directed into the receptacle cavity (6), with said holding edges engaging behind the holding rib (4) after the insertion of the plug-in part (3). A safety clip (9) with a second locking mechanism is situated in front of the plug-in opening (8) of the housing (1) in case the snap-in mechanism of the holding element (2) fails. The safety clip (9) consists of a frame (11) that is adapted to the end face (10) of the coupling housing (1) and can be engaged on corresponding projections (13) of the coupling housing (1) by means of two elastically expandable clips (12).

Abstract: A passive locking Cam & Groove female coupling, consisting of a locking latch mounted straddling the exterior of each cam arm attached to the coupling. The latch interlocks with a stop on the coupling body to provide a passive lock when the arm is closed. To open the cam arm, an intentional movement is applied to the latch so that the latch will pivot back and clear the stop thus allowing the cam arm to open.

Abstract: The present invention is directed to a connector for joining fluid flow passegeways in a fluid handling system. The connector may be manually manipulated, without using any tools, to quickly and easily couple or decouple the mating connector components. Those components include a plug having a cylindrical plug wall and a radially extending flange, and a mating socket having a cylindrical socket wall and a pair of diametrically opposed retainers. The retainers each comprise an axially extending flexible lever spaced from the socket wall. The lever is joined to the socket wall at a base or proximal end and has a latch at its free or distal end. The lever is also joined to the socket wall by a fulcrum wall or living hinge positioned intermediate the ends of the lever. A split lock ring is disposed between the socket wall and each retainer and is movable from a position adjacent the base of each retainer to a position remote from the base of each retainer.

Abstract: A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fitting includes a first coupling member having a pipe receiving section adapted to receive a conventional fitting on a pipe, and a ramp support section with a pair of spiral ramps formed therearound. The quick-connect fitting also includes a second coupling member that sealingly engages the first coupling member. An extension portion of the second coupling member is adapted to receive a conventional fitting on a tube. A locking collar is movably engaged with the second coupling member and has a pair of lock members disposed on an interior surface of the collar that slidably engage with the spiral ramps when the collar is rotated around the ramp support section of the first coupling member.

Abstract: A quick connector for connecting fluid lines includes a first connector having a housing for receiving a tube carrying spool. The spool sealingly engages an endform on the tube to form a metal-to-metal seal. A retainer in the form of ring having a plurality of angularly and radially extending, resilient legs extending therefrom and terminating in end pads is mountable in the housing in engagement with the spool with the end pads disposed in an annular, inward facing channel in the housing. A pop top is slidable along the tube to bias the retainer legs radially inward to allow insertion of the retainer into the bore in the housing and then is removed to allow the legs to snap radially outward bringing the end pads into engagement with housing channel. An assurance clip is mountable interiorly between the legs of the retainer and the spool to maintain the retainer legs in a radially outward position in engagement with the channel in the housing.

Abstract: Fittings of this invention generally comprise a body having a substantially hollow transport passage that extends between a body first end and a body second end. Each of the fitting body ends are adapted to accommodate attachment with respective fluid handling devices. The fitting includes a hexagonal outside surface portion for grasping and rotating the fitting. An interlocking attachment member is disposed along an outside surface of the fitting body and is adapted to form an interlocking attachment with a complementary member of a fluid handling device when the fitting is connected thereto. In an example embodiment, the interlocking attachment member comprises a plurality of rachet teeth that are configured to register with a complementary fluid handling device member. The fitting body first end includes a tongue that projects axially a distance therefrom that is sized and shaped to provide an interference fit within a groove disposed within a fluid handling device opening.

Abstract: A one-piece quick connector includes a tubular member and a collar. A pair of diametrically opposed actuating arms depend from the collar and lie in a first plane. A pair of diametrically opposed locking arms depend from the collar and lie in a second plane that is orthogonal to the first plane. The locking arms are disposed to engage a lip on the end of a conduit and are movable between a locking position and an unlocking position in response to movement of the actuating arms.

Abstract: A coupler apparatus for hoses, etc. comprises a pair of coupler bodies 1a, 1b having no distinction between male and female and having the same structure. Front end faces of the coupler bodies are provided with seal faces 5. In addition, the front end faces of the coupler bodies are provided with a plurality of engaging projections 8 and engaging recesses 7 formed among the engaging projections. The engaging projections 8 and engaging recesses 7 are axially engaged with the engaging projections 8 and engaging recesses 7 of the mating coupler body in a complementary manner. One side face 8a of each engaging projection 8 is provided with an engaging hook portion 9, and the engaging hook portions 9 are circumferentially engaged to couple the pair of the coupler bodies 1a, 1b. At least both side faces 8a, 8b of the engaging projection 8 are defined by radially extending planes passing through a central axis of the coupler body.

Abstract: An accessory component for piping, such as a valve, filter or the like, comprising a hollow body that can be connected to sections of piping and is provided with elements for coupling the component to a supporting structure, the coupling elements being formed on at least one outer wall of the body.

Abstract: At least one fastener and its method of use to securely fasten joints, preferably in pressure vessels, pipes, and other structures, intended to isolate internal volumes from the external environment, or in structural joints. The fastener preferably comprises at least one force reacting or force producing element capable of maintaining a gap between the end of at least one clamp segment of a clamp connector used on flanged structures to isolate a structure's internal environment from its external environment to provide controlled contact with the flange members wherein uniform seal integrity is secured and contact surface wear is dispelled. In a preferred method of use, each fastener is used in conjunction with delayed cokers, wherein extremely high temperature and relatively low pressures are generated.

Abstract: An easy to use, and reuse, separation connector is disclosed that comprises a first component having a plurality of leaf elements with protrusions, and a second component having a recess for receiving the leaf element protrusions. The protrusions of the leaf elements are secured within the recess by a tensioned band, or in an alternative embodiment, by an expansion band; the protrusions and recess are formed so as to provide an efficient and effective load and torque bearing surface that requires minimal tension on the tensioned band, or minimal compression on the expansion band. A shearing structure is also presented that minimizes translation of the leaf elements with respect to the receiving surface. When the band is released, springs or other means urge the leaves away from the mating surface, thereby allowing for the separation of the connected items. Preferably, the leaves are hinged, allowing for ease of coupling and decoupling to the mating surface.

Abstract: A slip-out preventive unit of a supply exhaust pipe assembly with a supply exhaust pipe forming a faucet at one end and forming an insertion port at the other end. The faucet having a cut window to allow the lock portion of a lock member to pass through the faucet to engage a circumferential groove of the insertion port. A slip-out prevention unit of which the lock member is a component, to guide and constrain the lock member to engage the circumferential groove, resulting in the holding of the insertion port within the faucet preventing unwanted separation after connection of the assembly. A slide guide allows movement of the lock member in an axial direction of the faucet where the tip of the lock member may be constrained from radial movement of the engagement portion of the lock member by a locking bag wall upon an attempt to separate the insert portion from the faucet.

Abstract: The disclosure relates to a coupling for a tube comprising a coupling body having a throughway open at one end to receive an end portion of a tube, a sealing ring or rings mounted in the coupling body at a location spaced from said open end thereof to engage and seal with the outer periphery of the tube, and a tube latching device for locking a tube in the coupling body. The latching device comprises a first latch within the coupling body to engage automatically with a feature on the tube when the tube end portion has been inserted sufficiently into the throughway to engage with the seals to retain the tube end portion in the coupling body and a second manually operable latch disposed externally of the coupling body engageable with a feature on the tube when the end portion of the tube has been inserted into the coupling body sufficient for the first latch to engage to provide a secondary retention for the tube in the coupling body.

Abstract: A passive locking Cam & Groove female coupling, consisting of a locking latch mounted straddling the exterior of each cam arm attached to the coupling. The latch interlocks with a stop on the coupling body to provide a passive lock when the arm is closed. To open the cam arm, an intentional movement is applied to the latch so that the latch will pivot back and clear the stop thus allowing the cam arm to open.

Abstract: A first bracket 16 is fixedly mounted by swage locking to a female connector 10 which is fixedly joined at one end with a resin tube 9 while a second bracket 20 is fixedly mounted by welding to a corresponding pipe 11. When an insertion end 11a of the corresponding pipe 11 is inserted into the other end of the female connector 10, the first bracket 16 and the second bracket 20 are turned relative to each other and about the axis of a second connecting end portion 6 of the female connector 10 so that a coupling hole 18a provided in the first bracket 16 and a coupling hole 22a provided in the second bracket 20 are coincided with each other across which a bolt or an anchor clip is inserted and tightened.

Abstract: A plug-in coupling for pressure application systems, including a receiving component, a connector component with a connecting shaft, an expanding cylinder supported on the connecting shaft between a radial step and a limit stop, and a spring unit initially supported on the expanding cylinder. The receiving component defines an opening and has a holding element, which is biased in a closed position and movable to an opened position. The connecting shaft of the connector component can be inserted into the opening of the receiving component along an insertion direction thereby engaging the radial step with the holding element to prevent loosening of the connector component from the receiving component. In this position, the expanding cylinder is located between the spring unit and the limit stop.

Abstract: A ramp-lock quick-connect fitting is adapted to be placed between conventional type fittings on pipes and tubes, such as quartz pipes and synthetic resin tubes used in chemical processing systems for semiconductor device fabrication. The quick-connect fitting includes a first coupling member having a pipe receiving section adapted to receive a conventional fitting on a pipe, and a ramp support section with a pair of spiral ramps formed therearound. The quick-connect fitting also includes a second coupling member that sealingly engages the first coupling member. An extension portion of the second coupling member is adapted to receive a conventional fitting on a tube. A locking collar is movably engaged with the second coupling member and has a pair of lock members disposed on an interior surface of the collar that slidably engage with the spiral ramps when the collar is rotated around the ramp support section of the first coupling member.