Abstract: A metallic connection piece for an all-metal heat exchanger is capable of being used for a plastic hose coupling. The connection piece (20) has a double bead as a stop region with two integrally formed anti-twist retaining means (26, 27) that engage into axial grooves (40, 41) of a hose coupling (31) and ensure fault-free mounting.

Abstract: A quick connector-male conduit assembly (10) for use in a conduit coupling incorporates a hand-releasable, self-centering snap ring-like retainer (20) having a seating indicator (16) included therewith. The seating indicator (16) includes a pop-off ring (48) that goes around the male conduit (12), which is a part of the tubing leading to the connection to assist in the installation of the quick connector-male conduit assembly (10) into a female receptacle (11) and to positively indicate to the installer that the male conduit (12) has been properly locked to the female receptacle (11). The retainer (20) includes a pair of tabs (68) for easy manipulation by hand or tools for removal. The quick connector assembly (10) is on either a plastic or a metal male conduit (12), and can be as short as a threaded connection. The quick connector assembly (10) has no threads, and permits 360 degree rotation of the conduit (12).

Abstract: An asexual connector system (2) includes first and second functionally identical connectors (4, 6), each connector having a base (8) with second locking surfaces (30), and one or more axially-extending, equally-spaced finger elements (10) with a groove (38), defining a first locking surface, formed therein. The first and second locking surfaces are positioned for complementary mating engagement when the first and second connectors are engaged. The base may includes a base body (14) and a deflectable ring spring (22) housed within a circumferential spring groove (20) formed in the base body; the ring spring defines the second locking surfaces in this embodiment.

Abstract: The invention is directed to a coupling assembly having a male member (1) with a spigot (5) to be received in an opening (21) in a female member (2), and a radially deformable retaining element (3) which is arranged in a recess (22) in the female member (2) and is radially elastically deformable and adapted to be urged into the recess (22) during the coupling operation by a support element (12) disposed on the spigot (5). In the locked position, the spigot (5) is locked against being pulled out of the opening due to the cooperation between the support element (12) and the retaining element (3). To uncouple the coupling assembly, an unlocking element (15) is provided. The support element (15) is releasably connected with the spigot (5) in order to enable assembly of the unlocking element (15).

Abstract: A single bolt coupling for the attachment to the end portion of a pipe having a circumferential groove or shoulder in such end portion includes a coupling which receives the end portion of the pipe therein and a circumferential open ended resilient ring associated with the coupling body which expands to allow passage of the groove into or out of the coupling and contracts to hold the groove in the coupling. The coupling is provided with a screw vise mechanism to expand the ring so that a pipe end can easily be inserted into the coupling. After insertion, the ring is allowed to contract to hold the pipe in the coupling. The coupling with its ring can also couple plain ended pipes, the ring contracting tightly around the pipe to hold it in place by friction between the pipe and ring.

Abstract: This invention relates to a coupling device to connect two tubular elements, preferably a hose with a tube, with one male coupling element (3) and one female coupling element (5) that are formed so that they can be inserted in one another and can be locked by means of an expandable split clip (33). An axially movable release device (35) interacts with the split clip to release the lock. The invention is characterized by the fact that the release device (35) has an indicator element which indicates a connection between the two coupling elements (3, 5).

Abstract: A pipe coupling includes tubular body and a retainer having a continuous strap-like base band and a plurality of spring fingers that extend inwardly therefrom into the inner periphery of the body, and which are cammed outwardly by a pipe when inserted into the coupling, the spring fingers then returning to their original position under the stored spring force for them to snap into a groove in the pipe exterior, and thus provide a positive stop preventing withdrawal of the pipe axially of the coupling. The spring fingers have a generally frusto-conical configuration. In an improved embodiment, the retainer is configured as a single continuous strap-like member having a generally rhomboidal cross-sectional configuration at substantially all cross-sections therearound, and is devoid of the spring fingers and base retainer portion disclosed in the previous embodiments.

Abstract: A releasable coupling device having a cam-type interengagement between the inner surface of a cap member and the outer surface of a gripping member. The coupling device including a primary arrangement of cams and guide surfaces engageable therewith, upon rotation of the cap member to the clamping position, so as to deform the gripping member radially inwardly to gripping engagement with the outer periphery of the second tubular component. A secondary arrangement of cams and guide surfaces is engageable therewith, upon rotation of the cap member to the clamping position, so as to take up any radial clearance which may develop between the inner surface of the cap member and the outer surface of the gripping member as a result of radial inward deformation of the gripping member by the primary arrangement of cams and guide surfaces.

Abstract: A plug-in connection is described for the joining of pipelines and hose lines, especially for use with pipeline systems of motor vehicles. The plug-in connection consists of an inner sleeve and an outer sleeve, which hold a hose line between them, so that a pipe socket can be shoved across the outer sleeve, which can be locked to the outer sleeve by means of a protective element. Inner sleeve and outer sleeve accommodate a sealing means which, supported by the pressure force of the pressurized medium acting on the inner sleeve, is pressed against the inner wall of the pipe socket.

Abstract: A high pressure quick connector is disclosed for use in connecting brake lines of a vehicle, particularly to a brake junction for an anti-lock brake system. The connector includes a housing for receiving a tube retainer. The tube retainer has a lower cylindrical portion that is positively attached to enclose a flared end form to provide a fluid seal. Retaining means in the form of a snap ring works in conjunction with a pop top to provide a low force and a positive insertion indicator. The snap ring has ears that are compressed together and inserted up inside a slot in the pop top. Upon installation of the tube retainer and retaining means into a central bore of the housing, an end portion of the housing makes contact with the pop top so that the pop top slides up the tube. As the pop top slides up the tube, the snap ring ears are released from the pop top slot. The snap ring expands upon release into a final latching position with the housing and tube retainer.

Abstract: A quick connect/disconnect coupler has telescoping male and female members which engage along an axial dimension in response to an engaging force. The members are secured in their engaged position by a spring which mechanically couples to the respective members and limits their relative axial displacement. Upon release of the spring, the members readily disconnect by separating in response to a disengaging force. A method for use is also disclosed.

Abstract: A modular pressure regulator/filter wherein the fuel filter is adapted to be attached to a fuel delivery system of an internal combustion engine and the housing thereof has a projecting wall on the filter housing adjacent to a female opening in the fuel filter housing. This projecting wall has at least one slot therein. A clip is provided and includes a disc portion with a central opening therein for selectively receiving a male outlet conduit from the pressure regulator. A clip projection, which is integral with and movably attached to the disc portion, is adapted to be selectively received into the slot in the projecting wall whereby the clip is held from moving away from the projecting wall. An annular projection on the pressure regulator housing is disposed between the disc portion and the clip projection when the clip projection is in the first position thereof for holding the pressure regulator housing in the clip.

Abstract: A plug-in coupling for pressure application systems, including two coupling components such as a housing component and a connector component. The connector component is sealed insertable into a locating opening of the housing component, and is arrestable against loosening by a locking device. The locking device has an elastically deformable holding element, which is located on the side of one coupling component in such a way that, in the inserted state, it engages behind an arresting step of the other coupling component, locking with positive fit, for arresting said connector component. The holding element is designed ring-shaped and comprises several individual annular segments and one concentric spring lock washer component which presses the annular segments with radially operating spring resistance that each annular segment can move radially against or through the spring resistance of said spring lock washer component during the plugging-in.

Abstract: A plug-in coupling for pressurized systems having two coupling components (2, 4), namely a receiving component (2) and a connector component (4). The connecter component (4) includes a connecting shaft (6) which is inserted into a locator opening (8) of the receiving component (2) and is sealed around the perimeter and arrested against loosening by a holding element (20) situated in a recess (22) of the receiving component (2), first in a partially inserted, incompletely sealed, pre-locked position and secondly in a fully inserted, perfectly pressure sealed full lock-in position. The holding element (20) has arresting elements (28, 30) each of which engage behind a locking edge (24) of the connector component (4) when a lock-in connection (28, 24; 30, 24) is formed.

Abstract: An improved automobile tire inflater gauge for tankless air systems having vandal-resistant locking means for attaching gauge accessories comprising a smooth-bore female cylindrical chamber suitable for accepting accessory insertion members, said insertion members having o-rings and circumscribing lock notch groove. Said insertion member locked in chamber by a spring-ring mounted on exterior of chamber housing, said spring-ring having notches which penetrate said housing wall and enter lock groove on insertion member. The gauge additionally having a replaceable barrel cushion sleeve to reduce impact damage and an internal checkvalve to prohibit explosive tire gas migration.

Abstract: An indicator device for use with a detachable plug assembly includes a pair of spaced apart rings joined together by a pair of elongated connecting portions. The connecting portions extend in an axial direction between the rings. The connecting portions each have a outwardly curved bridging strip portion extending between a pair of flexible webs. The rings are mounted between the plug housing and the flange on the tubular insert member so that the bridging strips bulge outwardly to form a loop when the insert member is fully inserted into the plug to indicate that the insert member is properly locked within the plug. The indicator device may be connected either to the plug housing or to the insert member prior to assembly.

Abstract: A connector assembly 10 for use with tubular conduits 30 is disclosed which is a male portion that is put into a female portion. The male portion makes use of the end of the conduit itself, and the female portion only requires a stepped bore. The seal 50, stabilizing bushings areas 34 and retainer 138 are carried on the male portion. The seal 50 may be retained on the male, and the connection may be either a quick connect or require a tool to assemble. The connection may seal the highest pressures and withstand very high forces on the male and female portions. Also disclosed is the use of this connection in a multiple port device. The connection may be completed in the depth and diameter that is allotted to a "thread-in" or "flare" connection.

Abstract: A hose connecting structure includes a hose whose central and engaging portion having a thermal flexibility resin which is molded by a blow molding method and a mating member which is inserted into the edge opening of the hose. The hose connecting structure further includes a ring-shaped sealing material and a first engaging portion which is disposed in the axial direction by a predetermined distance to the sealing material at either the edge portion of the hose or the mating member and second engaging portion which is directly or indirectly engaged with the first engaging portion at either the edge portion of the hose or the mating member. The central and the engaging portion of the hose connecting structure includes a thermal flexibility resin which is molded by a blow molding method. Therefore, the most suitable soft and hard resin for the appropriate portion can be used. When the engaging portion with the mating member and the central portion are molded integrally, the working efficiency is improved.

Abstract: A composite body 20 for a faucet assembly 21 that is mountable on a deck 62 and having a faucet body 22. The composite body 20 has a shank 66 affixed to the deck 62 and cold and hot water supply lines 38 that are connected in the shank 66 by a support plate 102 disposed therein. The faucet body 22 is connected to the shank 66 above the deck 62. The faucet body 22 has cold and hot water openings 32 and 34 therein to be sealingly engaged by the cold and hot water supply lines 38 upon the connection of the faucet body 22 and the shank 66 for the water in the lines 38 to be mixed in the faucet 21 and discharged therefrom. Lastly, a retention ring 90 is mounted over and covers the connection of the faucet body 22 and the shank 66 to prevent accidental disengagement and to limit relative movement therebetween.

Abstract: A locked pipe joint between a socket (3) of a first pipe (4), and a smooth end (1) of a second pipe (2) inserted in the socket with the interposition of an annular sealing gasket (5). The joint includes a raised bead (6) integral with the smooth end, a split metal retaining ring (7), and a rear support surface (9) for the split ring. The split ring includes a series of indentations (19) on the circumference of at least one face (16), in which the indentations are configured to allow the necessary diametric contraction of the ring by the crossing of its ends, and the subsequent expansion of the ring to lock the joint.

Abstract: An improved ratcheting tool swivel body assembly which would include a swivel body having a principal body portion, and a threaded port extending outward from the wall of the stem body, the stem body would further include a continuous opening therethrough, for receiving an elongated stem member, the stem member including a port through the stem member, for allowing fluid to flow between the port and the stem member and the threaded port of the swivel body. The stem member would include a first end having a threaded male end for threadably engaging to the hydraulic fluid source of the torque wrench, and a second end terminating in a hex head portion which is engaged against the upper end of the swivel body.

Abstract: A blocking arrangement serves for securing prevention of a spear (1) being unscrewed from a corresponding neck ring (3) in a container for a liquid, for example, beer, being under pressure by a drive gas in the container. The blocking arrangement consists of a split spring ring (8) which is placed in a groove (5) constructed in the corresponding neck ring (3). This groove is so deep that the spring ring is allowed to be squeezed radially into the groove. The expansion for the spring ring radially outwardly is limited, however, by in inwardly turning cylinder face (22) on the spear (1). Furthermore, the spear has an upwardly turning blocking face (12) which adjoins the cylinder face (22). When dismounting of the spear is attempted, its blocking face (12) adjoins the spring ring (8) which is retained axially by the downwardly turning upper side (16) of the groove.

Abstract: The present invention relates to a pressure medium plug-in connector, consisting of two connector parts, i.e. a housing part (2) and a plug part (4), wherein the plug part (4) with a plug shaft (6), via at least one peripheral seal (10) located in an annular groove (14) of the one connector part (4) and interacting with a peripheral sealing surface (18) of the other connector part (2), can be inserted in a sealed manner into a receiving opening (8) of the housing part (2) and can be secured against release by means of a locking arrangement (12). The locking arrangement (12) is constructed in such a way that a partially plugged, prelocked position and a completely plugged, fully locked position are ensured. In the prelocked position, a seal is present which is so incomplete that, if pressure is applied with a pressure medium, a clearly limited perceptible leak, particularly in the form of an audible leaking sound, occurs.

Abstract: The invention pertains to a plug connection for pressure systems which consists of two coupling parts, namely a receptacle part (2) and a plug part (4). The plug part (4) can be inserted into a receptacle opening (8) of the receptacle part (2) with a plug shaft (6) such that it is circumferentially sealed and blocked from being separated by a locking device (12). The locking device (12) is realized in such a way that a partially plugged prelocking position (FIG. 1b) and an entirely plugged full locking position (FIG. 1a) are ensured. In the prelocking position, an incomplete seal is produced such that a signal, preferably an acoustically perceivable leakage noise, is generated if the plug connection is charged with pressure. A complete, pressure-tight seal is produced in the full locking position.

Abstract: A one-way flow valve quick connector is used in automotive fuel tank filler systems to interconnect the fuel filler tube with the fuel tank without the use of tools or special equipment. The quick connector includes a check valve to establish a substantially hermetic seal between the tank and the environment at all times to prevent the escape of liquid fuel during the refueling process as well as the escape of toxic vapors. A bypass vent operates during the refueling process to draw any vapors escaping from the tank or entering through the fuel fill tube inlet, filtering and returning them to the fuel tank.

Abstract: A fluid coupling for connecting a corrugated tube to a fitting. The coupling includes an annular compression member having an opening therethrough which extends from a forward end portion receivable coaxially over the tube to a rearward end portion threadably engagable with the fitting to urge the tube into a fluid-tight engagement therewith. The forward end portion of the opening has a rearward first end, a forward second end defining the inner diametric extent of the opening, and an inner radial surface extending therebetween from a rearward gland portion to a forward camming portion. An annular locking member is journalled within the gland to be received therewith over the tube.

Abstract: A plug connection for a pressure system comprising a receptacle part and a plug part, the plug part is inserted into the receptacle part and retained therein by a locking device which forms a prelocked, unsealed connection and a locked, sealed connection between the plug part and the receptacle part with a limit stop element which indicates when the locked, sealed connection has been obtained.

Abstract: There are disclosed two embodiments of a connector for sealably connecting the lower ends of an upper riser member and an upper conduit on the lower ends of an upper riser pipe and upper auxiliary line joint, respectively, to the upper ends of a lower riser member and a lower conduit on the upper ends of a lower riser pipe and upper conduit thereof, respectively. At least one of the conduits includes a telescoping sealed joint which is of such construction as to permit differential movement between the riser and the auxiliary line.

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: The present invention provides an improved metal to plastic pipe transition fitting. The transition fitting basically comprises a metal sleeve having a pair of metal pipe sections attached thereto and an annular groove within the interior thereof. A plastic pipe is disposed within the metal sleeve which extends through one of the metal pipe sections. The end of the plastic pipe within the metal sleeve includes a plurality of spaced plastic retention rings and a snap ring attached thereto and the snap ring is engaged within the annular groove in the metal sleeve. At least one O-ring is disposed between the retention rings on the plastic pipe and a metal stiffening insert is disposed within the end portion of the plastic pipe within the metal sleeve.

Abstract: An installable load shoulder is used with a wellhead to support a tubing hanger by which tubing is suspended in a well bore, "tubing" being inclusive of any tubular product such as a string of tubing or casing as used in drilling and completing oil or gas wells, the wellhead having a vertical opening therethrough and in the wall defining the opening an internal circumferential groove, the groove having an inwardly sloped bottom frusto-conical circumferential surface and the tubing hanger having an external circumferential surface dimensioned to be slidably received in the wellhead vertical opening and having an external circumferential area defined in part by a frusto-conical circumferential surface. The load shoulder is of toroidal shape, has a split therein, has an internal circumferential surface defined in part by an inwardly sloped upper frusto-conical shaped surface and an external circumferential surface defined in part by a lower outwardly sloped frusto-conical shaped surface.

Abstract: An oil-pipe for an auto-engine has a quick-connect coupling. The pipe has a cold-pressed end-shape, which includes a radial flange. A clip abuts the flange, and secures the coupling. The larger the area of the flange, the more secure the clip, and a recess formed into the wall of the pipe immediately behind the flange adds area to the flange without requiring that the flange have a large external diameter. The recess can be rolled in, or can be formed by cold-pressing.

Abstract: An array of a plurality of module blocks with a common through-passageway with a combined fluid coupling and mechanical connector fitting received in the passageway between each pair of adjacent blocks. The fitting has a swivel body rotatably retained by a flexible retaining wire on a main body with two static-type O-rings. The main body has external straight threads on one end and a hex head protrusion adjacent the other end. A fluid conducting through-passageway in the main body has an enlarged cylindrical counterbore open at the hex end and with a circular internal groove therein. A tangentially intersecting wire-insertion radial opening leads from an external surface of the hex head into this groove. The swivel body has external straight male threads at one end, a cylindrical shank at the other end and a fluid conducting through-passageway communicating at one end with the main body passageway and having a hex socket in the other passageway end.

Abstract: A conduit coupling having a body with an axially extending bore formed therethrough from a first end to a second end. The bore is defined by an inner wall including a frusto-conical surface converging toward the body first end. A radially constrictible and generally annular retaining collet is positioned in the bore. The collet includes an outer frusto-conical surface mating with the frusto-conical surface defined by the inner wall and is axially movable relative thereto. The collet has an inner toothed surface defining a collet inner diameter and at least two radially inwardly extending bite-teeth defining therebetween a distance less than the collet inner diameter and less than an outer diameter of a conduit inserted into the bore so that the bite-teeth engage an outer surface of the conduit. In this manner, upon axial outward movement of the conduit, the frusto-conical surface of the collet bears against the frusto-conical surface of the body inner wall to radially constrict the collet.

Abstract: A connector assembly 10 for use with tubular conduits 30 is disclosed which is a male portion that is put into a female portion. The male portion makes use of the end of the conduit itself, and the female portion only requires a stepped bore. The seal 50, stabilizing bushings areas 34 and retainer 138 are carried on the male portion. The seal 50 may be retained on the male, and the connection may be either a quick connect or require a tool to assemble. The connection may seal the highest pressures and withstand very high forces on the male and female portions. Also disclosed is the use of this connection in a multiple port device. The connection may be completed in the depth and diameter that is allotted to a "thread-in" or "flare" connection.

Abstract: The invention is directed to an improved disconnect tool (15). In the preferred embodiment, the disconnect tool is comprised of a first member (16) and a second member (18) connected by a pivot pin (19). The tool includes an engagement means (23) and an expansion means (22) to facilitate the engagement and expansion of a retaining clip so as to permit insertion and removal of a fluid line (39) from a fluid coupling assembly (41). In the preferred embodiment, the expansion means takes the form of a castellated tube portion with a plurality of fingers (20) defining a plurality of grooves (21) therebetween. The fingers are used expand the retaining clip radially and outwardly so as to permit the fluid line to be removed from the fluid coupling assembly. In addition, the present invention is also directed to a method for removing a fluid line from a fluid coupling assembly through the use of a disconnect tool.

Abstract: Connectors for joining protective ducts and/or hoses for the installation of insulated electrical conductors and/or cables in an aircraft are equipped with lids that are easily opened even without a tool. The lids are preferably permanently secured to the connectors. The lids are constructed as roll-up tapes or as a flat or curved plates. The curved plates are held in place in the closed condition by springs. A flat plate lid is held in place, for example by a circlip, or by a leg spring or by a hinge.

Abstract: A rotary atomizing head assembly employing a main body and a hub member which can be easily disassembled and reassembled whenever necessary. A ring engaging surface is provided on the inner peripheral side of a recessed hub socket on the main body, while a ring fitting groove is provided on the outer peripheral side of a cylindrical body portion of the hub member. With an O-ring set in the ring fitting groove, the cylindrical body portion of the hub member is fitted into the recessed hub socket, whereupon the hub member is resiliently retained on the main body of the rotary atomizing head by resilient retaining force of the O-ring. In this instance, the O-ring is pressed against the ring engaging surface to prevent dislocation of the hub member. On the other hand, the hub member can be disassembled from the main body by pulling the hub member in the axial direction to such a degree as to cause elastic deformation to the O-ring.

Abstract: A flexible pipe connector including a first cylindrical member, a second cylindrical member to be inserted into the first cylindrical member, an annular restricting groove defined in an inner peripheral face of the first cylindrical member, an annular attaching groove defined in an outer peripheral face of the second cylindrical member and having a shorter length than the restricting groove in a direction of cylinder axis, a retaining member radially expandably and detachably fitted to the attaching groove for coming into contact with an end face of the restricting groove in the cylinder axis direction so as to restrict range of relative movement between the first and second cylindrical members in the cylinder axis direction. The outer peripheral face of the second cylindrical member and the inner peripheral face of the first cylindrical member are provided with a radial opposing distance therebetween determined so as to allow insertion and withdrawal of the retaining member.

Abstract: The present invention involves a pressurized water treatment system and method having a unitary liner and flange and a plurality of interchangeable heads. The system utilizes non-threaded connections where periodic detachment is desirable to eliminate the cross-threading problems posed by plastic threads. The coupling devices include an improved clamp assembly to removably secure the water treatment heads to the liner flange or other system components and an improved spring clip to removably attach inlet and outlet lines to water treatment heads and fittings. By including L-shaped tabs, the spring clip reduces the chance of inadvertent dislodgement. The use of common connectors allows any of the interchangeable heads to be used with the liner and other fittings. Adapters can also be used to allow non-system components to be integrated into the system. A fill port adaptor can also be disposed between the liner and water treatment head to provide access to the tank interior without the removal of the head.

Abstract: A quick connect coupling for high pressure fluid includes a male fitting body connected on the end of an elongated tube. The male fitting body has an annular recess for receiving a retainer movable between a compressed position allowing longitudinal insertion of the male fitting body within a corresponding female aperture and a released position for retaining the male fitting body seated within the female aperture. A visual indication is provided to signal if the retainer is fully seated within a corresponding groove of the female aperture. A locking member maintains the retainer in the released position in response to seating the male fitting body within the corresponding female aperture. A biasing member urges the male fitting body in an opposite direction with respect to the longitudinal insertion direction within the corresponding female aperture.

Abstract: A safety retainer assembly is disclosed herein for holding a shaped nut in position on a threaded nipple or the like, which includes an annular body having an internal bore configured adjacent one open end to conform with the shape of the nut and having an external shoulder with a stepped opening or hole for receiving the catch of a retaining pin formed in a rectilinear length of a locking clip. Internal splines are provided adjacent the other open end of the body shoulder adapted to receive mating external splines carried on a collar of the nipple to prevent relative movement therebetween whereby the nut cannot back off from its threaded connection with the threaded nipple. The circular locking clip includes a holding ear or dog on one end fitted into the stepped opening at the opposite end thereof from the seating of the release catch that is carried on the other end of the circular safety clip.

Abstract: A sound baffle retention clip for use in a combustion driven heating apparatus. The clip allows for positive retention of a sound baffle within the heat tube of a combustion driven heating apparatus without adversely affecting system operating performance. Further the clip allows for easy and efficient installation of the sound baffle without compromising the integrity of the heat tube.

Abstract: A quick connect/disconnect coupler has telescoping male and female members which engage along an axial dimension in response to an engaging force. The members are secured in their engaged position by a a pair of springs which mechanically couple to the respective members and limits their relative axial displacement. Upon release of the springs, the members readily disconnect by separating in response to a disengaging force. A method for use is also disclosed.

Abstract: In a rapid connecting device for coupling a tube member with a connector such as a terminal connector on the end of a pipe, the tube member is of the type having an annular groove. The connecting device comprises a collar piece which is adapted to be mated with the tube member, around the latter, the collar piece having a locking means for engaging in the annular groove of the tube member so as to immobilise the collar piece with respect to the latter. The connector has a socket arranged to receive the end portion of the tube member and the collar piece, with a seal being interposed between the collar piece and the tube member. The collar piece has a further locking means for immobilising the connector with respect to the collar piece. The invention is especially applicable to the coupling of heat transfer fluid inlet and outlet tube connections of a heat exchanger, with external pipes.

Abstract: A detachable plug-type connector, in particular for the connection of a pressure line to a hydraulic cylinder with a pin-shaped inner part, which pin-shaped inner part can be inserted in a boring of an outer part. Between the outer part and the inner part there is a seal. The seal sits in the boring of the outer part, and in front of the seal there is a securing element which limits the axial travel of the seal in the extraction direction.

Abstract: A conduit coupling comprises a male conduit, a mating female member. The male conduit is constrained as part of the conduit leading to the coupling. The male conduit includes a member for limiting the movement of the male conduit within the female member, means for sealing, and a retainer to couple the male conduit to the female member. The female member is defined as an open port, and it is possible to be no more in diameter and depth than a screw-in connection. The connection may be a quick-connect type (in which case a tool is required for disconnection) or a non-quick-connect type (in which case a tool is required for connection and disconnection). The male conduit may either be composed of a substantially non-elastic material such as a metal or a plastic or a substantially elastic material such as a soft plastic or a hard rubber. If composed of an elastic material, the bulged area is formed by use of a rigid liner having a formed bulged area that is inserted into the elastic conduit.

Abstract: A coupling for pressurized medium comprising a stud member and a socket member, the stud member and the socket member are mutually locked together in a completely coupled position by a locking ring which engages with circumferential locking ring grooves in the stud and socket member, two sealing rings sealingly engage the stud member and socket member and the stud member and socket member have second grooves into which a safety ring is fitted, the second groove in the socket member has a larger axial extent than the safety ring so that when the locking ring is engaged in the locking ring grooves, the safety ring is not effective to retain the stud and socket members together but is only effective prior to the locking ring engaging the locking ring grooves when the stud and socket members are incompletely coupled together.

Abstract: A threadless interconnection system for sections of pipe as provided by a male/female interconnection in which the male member and female members have mating tapered surfaces providing both the camming action for inset snap rings that engage concurrently upon assembly of the interconnection. The tapered section includes angles which assure that snap rings are precentered within tolerances before being gradually opened during the assembly process, while also providing a metal-to-metal seal after assembly. Sealing is facilitated by composite seals that include O-rings arranged with compatible actuator and backup rings so as to avoid destruction of the O-ring geometry because of bending, flexure and torsional forces.

Abstract: An eccentric member for coupling a fuel injector to an internal combustion engine cylinder head. The apparatus includes eccentric members that are rotatable to align fuel coupling components to compensate for gross accumulated component dimension tolerances, thereby allowing the use of economical and reliable O-rings to compensate for remaining tolerances. Embodiments of the apparatus include an eccentric, a coupling member and adapters having off-center fuel passages.