Abstract: Disclosed herein is an improved system and method for connecting a first piece of plumbing, such as but not limited to a valve, to a second piece of plumbing. The first piece of plumbing has a male threaded fitting formed about an opening. The second piece of plumbing has an open end with a connecting member attached. The connecting member has a flange, and behind the flange is a flange nut having female threading extending over the flange. The pieces of plumbing are connected as the flange nut screwably engages the male threaded fitting.

Abstract: The inventive device includes a cylindrical housing adapted to receive a filter, the housing having an axis being fixed at a second end to a ventilation circuit flange and having a first end mounted on a mobile companion flange, the companion flange being held in resilient manner under axial tension by holding means under tension, a sheath in alignment with and secured to the housing, about which sheath the companion flange slides axially, a seal disposed between the sheath and the companion flange, three fixed wheels secured to the sheath and projecting outwards therefrom; a cam surrounding the sheath over a certain length and made up of a ring having three ramps each in the form of a helical segment, the ramps receiving respective ones of the wheels, turning of the cam causing the companion flange to move in axial translation; and means for turning the cam. The invention is specially suited to filtering a ventilation circuit in a hostile environment in the nuclear industry.

Abstract: A coupling assembly for connecting two tubular elements, in particular ends of two tubes of an air-conditioning system, includes two inter-engaging locking parts which, for the purpose of achieving a locked position, can be rotated with respect to one another and can be displaced with respect to one another in the axial direction. The locking parts utilize a bayonet locking feature and include at least two sub-elements, the sub-elements being fixed in the radial direction by two inter-engaging sleeves.

Abstract: An under-sink waste pipe system comprises first and second waste pipes telescoped together, a softly resilient seal ring that both seals the waste-pipe juncture and secures the waste pipes together, a locking ring for compressing the sealing ring into resilient locking and sealing engagement with the waste pipes, and a latching mechanism for securing the locking ring in place with the seal ring resiliently compressed a predetermined degree. The latching mechanism maintains the locking ring secured to the end flange structure and comprises at least first and second latching projections on the end flange structure that extend towards the locking ring, and projection guiding cam surfaces formed in the locking ring. Each projection guiding cam surface terminates in a notch-like latching recess.

Abstract: A diffuser for a heating and air conditioning system includes a body portion and an adapter. The body portion includes a flange with a cylindrical portion. Flexible arms having projections are located about the cylindrical portion. Clamp guides are positioned about the cylindrical portion as well. The adapter includes multiple, different size cylindrical sections. One of the sections includes openings for receiving the projections on the arms to secure the adapter to the body. A tear-away strip is provided to remove unneeded sections of the adapter. Two attachment mechanisms are provided for securing the diffuser to a ceiling. The diffuser further includes a removable vane unit. The vane unit includes multiple projections for engaging prongs on the base to secure the vane unit to the base. A ribs on the projections contact the prongs to limit vibrations. The diffuser baffles include a collar for reducing vibrations.

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 hydrant nozzle for connecting a fire hose to a fire hydrant. The hydrant nozzle comprises a tubular body portion extending longitudinally between a first end and a second end. The body portion has a generally cylindrical outer surface and a generally cylindrical inner surface defining a fluid passageway between the first and second ends. The nozzle further includes a cylindrical neck portion extending from the second end of the body portion to a front face and having an outer peripheral rim and an inner rim defining a center opening in fluid communication with the fluid passageway of the body portion. A pair of spaced apart locking lugs project outwardly from the outer surface and are positioned between the first and second ends of the body portion for removably securing the hydrant nozzle to the fire hydrant. A pair of spaced apart arcuate shaped locking grooves are recessed in the front face of the neck portion between the inner and outer rims for removably securing the hydrant nozzle to the fire hose.

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 joint for joining pipes, wherein the joint employs offset, overlapping locking tabs on a male and a female joint member, which locking tabs are spaced to permit the locking tabs on the female joint member to slide past the locking tabs on the male joint member. The joint members are then rotated to lock the joint axially. A locking pin and locking pin aperture lock the joint rotationally, when the locking tabs are aligned. The locking pin is rotatable, and has a chamfered portion whereby the female joint member can slide over the locking pin to engage the locking pin. To disassemble the joint, the locking pin is rotated ninety degrees to orient the chamfered portion circumferentially, whereby the joint members may be rotated, permitting the female joint member to slide over the locking pin.

Abstract: A medical connector adapted for placement between a catheter and a medical infusion or injection source includes a pair of interlocking half medical connector portions, one side of which attaches to the infusion source and the other side of which is coupled to the catheter connected to the patient. The connection to the catheter and the infusion source can be via standard medical luer taper fittings, with or without specially designed locking mechanisms that prevent inadvertent disconnection. The medical connector itself is uniquely shaped and includes a raised surface feature and a recessed surface feature formed on the medical connector portions.

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: A hose coupling for ½ inch to ⅞ inch hose comprised of a coupling member having fastening means and a cylindrical opening therethrough, the fastening means comprising a cam and ramp, lug and face, the face supporting a gasket, the cam having a ramp angle between 3 and 5 degrees, the gasket having a thickness of between 220 and 280 microns, the gasket having a face area between 0.4 to 0.6 square inches.

Abstract: An end member is provided for attachment of both ends of a unit of quarter turn quick connect fire hose or an adapter for a quarter turn quick connect fire hose, the end member having a generally tubular shape defining an axial opening, an uninterrupted smooth outer surface, a planar sealing face surrounding said axial opening, a base, fastening means comprising cams having single ramps and lugs adapted to engage said cams, and a sealing gasket, said cams and lugs mounted on the outer surface of the end member proximate the planar sealing surface, said end member comprising an axial rearward extension of at least one lug on the outer surface of the end member extending toward the base of the end member, the axial rearward extension having a base, top and sides, the sides of tine axial rearward extension of the lug including a concave surface between the top and the base of the axial rearward extension, and said planar sealing surface being adapted to engage an identical planar sealing surface of a correspondi

Abstract: A new system for the immediate joining of lengths of pipe is presented whose characteristics allow the handling of the liquid without leaks or losses, as well as being able to be disassembled in the same way and conserve it once it has been used. The main parts of this new pipe joining system can be summarized in that they consist of a length of pipe whose ends have a different geometry, i.e.

Abstract: An irrigation pipe system including a tubular coupler member releasably connectable to fluid transport pipes. The tubular coupler member includes wing-like lateral projections for stabilizing and minimizing impact upon the tubular coupler member as it is drawn along a ground surface. Structure is provided for enabling a sprinkler riser to be connected to and disconnected from the tubular member by rotating the sprinkler riser less than about one rotation. A seal is also provided for preventing fluid leakage between the tubular coupler member and the sprinkler riser.

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 flexible pipe joint apparatus for use in a fluid (e.g., water) transport pipe system for maximally absorbing an external force such as a compression or tensile force applied to a pipe of the fluid transport system due to an earthquake, differential settlement, thermal expansion or contraction of the pipe per se, thus preventing resultant damage at a weak portion of the pipe. The apparatus includes a receiving tubular member and an inserting tubular member insertable into and connectable with the receiving tubular member along a tube axial direction. A stopper portion is formed in an outer peripheral face of the inserting tubular member, the stopper portion projecting radially outward from the outer peripheral face.

Abstract: A pipe coupling has coupling members provided with a pin and a box. The outer surface of the pin is provided with axially extending columns of teeth, separated by free slots, and the inner surface of the box is provided with axially extending columns of counter teeth, also separated by free slots. To connect the coupling, the pin is axially inserted into the box and rotated over a fraction of a full turn to make the engagement surfaces of the teeth engage with the corresponding engagement surfaces of the counter teeth, thereby creating an axial pre-tension between the pin and the box. The design of the teeth is differentiated over the length of the pin and the box to be adapted to differences in loads during make-up and in use and the coupling is protected against release and overturning.

Abstract: A servicing device for compressed air handling is proposed, which possesses a principal body (2) and a receiving shell (4) releaseably attached thereto by means of a bayonet connecting device (12). The rotary movement necessary for producing the bayonet connection of the receiving shell (4) is produced using a rotary drive means (33), which is arranged on a holding body (34), on which the receiving shell (4) is mounted in a rotary fashion. It is in this manner that simple mounting and removal of the receiving shell is rendered possible even when there is little space.

Abstract: An under-sink waste pipe system comprises first and second waste pipes telescoped together, a softly resilient seal ring that both seals the waste-pipe juncture and secures the waste pipes together, a locking ring for compressing the sealing ring into resilient locking and sealing engagement with the waste pipes, and a latching mechanism for securing the locking ring in place with the seal ring resiliently compressed a predetermined degree. The latching mechanism maintains the locking ring secured to the end flange structure and comprises at least first and second latching projections on the end flange structure that extend towards the locking ring, and projection guiding cam surfaces formed in the locking ring. Each projection guiding cam surface terminates in a notch-like latching recess.

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 hose coupling comprised of an end member having a cylindrical opening therethrough,

Abstract: Conduit coupling apparatus has a first conduit with an annular gasket in an outlet portion to receive a second conduit member sealingly and rotatably to retain the lugs on one member engaging flange portions on the other. Lateral conduits are securable about the outlet of the first member by flange portions secured by threaded fasteners, and quick-connect fittings are utilized.

Abstract: A body 8 of the pipe joint 7 to be mounted in a frame member 1 has engaging locking portions 12 that are inserted into the mounting grove 2 and rotated through a specified angle in such a way as to be engagingly locked in opening edges 4; and a detent member 20 constituting a lock mechanism, the detent members 20 is composed of a pair of junction pieces 21 of the same shape that are joined together so as to sandwich the body 8 of the pipe joint 7, to slide in the axial direction, the junction pieces 21 are connected together at winged portions 21b and 21c protruding from the respective sides, and springs are accommodated inside the winged portions between the body 8 and the junction pieces 21.

Abstract: A mechanism (10) includes a slide plate (32) having die openings (38) adapted to hold dies (42a, 42b) and slideable relative to a cooker/extruder (12). Rotary cutters (74, 174) are rotatably mounted relative to and moveable with the dies (42a, 42b). In one preferred form, a motor (76) can be connected and disconnected to the rotary cutter (74) aligned with the cooker/extruder (12) by moving a male coupling (96) within or out of a female coupling (108). In another preferred form, the rotary cutter (174) is mounted to and carried exclusively by a center shaft (180) fixed to the die (42a, 42b) and includes provisions (187, 191) located within a housing (183) for rotating the housing (183) on the center shaft (180). Thus, it is not necessary to shut down the cooker/extruder (12) to service or change the dies (42a, 42b) and/or the rotary cutters (74, 174).

Abstract: A coupling interconnects either of two conventional types of waste water outlets used to discharge waste water from a waste water holding tank of a recreational vehicle with a discharge hose to convey the waste water to a remote location. A sleeve of the coupling penetrably engages an internal cylindrical surface in either outlet and is of a common diameter to concentrically locate the coupling irrespective of differences in the external size of the outlets. A pair of hooks extend from the coupling to engage dogs extending radially from either engaged outlet to retain the coupling in place. A seal seals the junction between the coupling and the outlet to prevent leakage of waste water therebetween. The discharge hose is connectable in fluid communication with the sleeve to convey the waste water from the coupling.

Abstract: A solenoid valve fixing structure, which allows cheaply to improve the working performance of the fixing process and compactness of the fixing, without changing the design of the external form of the existing solenoid valve. The solenoid valve fixing structure includes a recessing portion (6) disposed on an intake manifold (5), for receiving a solenoid valve (1), and a fixing member (4) having a fixing part (4a) to be fixed to the solenoid valve, a deformable lip (4d), which is an elongated portion of the fixing part to contact elastically with the recessing portion, and an insertion lip (4f), which is another elongated portion of the fixing part and is to be inserted into the recessing portion (6). A solenoid valve (1) can be fixed to the intake manifold (5) strongly and promptly.

Abstract: A mechanism (10) includes a slide plate (32) having die openings (38) adapted to hold dies (42a, 42b) and slideable relative to a cooker/extruder (12). Rotary cutters (74) are rotatably mounted relative to and moveable with the dies (42a, 42b). In one preferred form, a motor (76) can be connected and disconnected to the rotary cutter (74) aligned with the cooker/extruder (12) by a male coupling (96) including an elastomeric band (106) tensioned in a groove (102) formed in an outer peripheral surface (100) and received within the inside surface (116) of a cylindrical body (114) of a female coupling (108). Thus, it is not necessary to shut down the cooker/extruder (12) to service or change the dies (42a, 42b) and/or the rotary cutters (74). An annular wear plate (134) is sandwiched between the slide plate (32) and a frame element (18) having a central aperture (126) into which the barrel (14) of the cooker/extruder (12) is slideably received.

Abstract: A hose connector having a pair of flanged cylindrical members which can be readily connected and disconnected by insertion of one or more protruding lugs on one flange into corresponding openings in the other flange.

Abstract: A pipe coupler for connecting pipes together is disclosed. The pipe coupler includes a cylindrical socket. A pair of insertion grooves are formed inside the socket, and each of a pair of packings is inserted into each of the insertion grooves to seal off connecting portions of two pipes. A plurality of withdrawing paths are formed inside both end portions of the socket, and a pair of binding grooves respectively communicate to the pluralities of the withdrawing paths. A plurality of protuberances are formed on each of the connecting portions of the two pipes correspondingly to the plurality of the withdrawing paths, for being inserted into the plurality of the withdrawing paths. The connecting portions of the two pipes are slightly rotated after entering into the socket so as to make the protuberances disposed within the binding grooves and between the withdrawing paths.

Abstract: A coupling for connecting a hose to a container. The coupling is made up of a tubular body that telescopically receives a ferrule. The coupling has a stop flange with diametrically spaced recesses and the ferrule has diametrically spaced inwardly extending projections that pass through the recesses in the stop flange when the ferrule is inserted onto the coupling. The ferrule is then rotated so that the projections overlay the stop flange and prevent the ferrule from being removed during shipment or storage of the couplings. The ferrule can be swaged or crimped to the hose for holding the hose to the coupling in the conventional manner.

Abstract: An improvement for nozzle assembly for resolving the problem of fixed spraying angle of conventional nozzle assemblies. The nozzle assembly of the present invention includes a nozzle insert engageable with a nozzle body, and a cylindrical rubber washer set between them for sealing and enhancing the engagement. The nozzle insert has at least one lug with a semi-spherical bulge located thereon. The nozzle body has at least a locking bridge with a plurality of concave notches formed therein. Turning the nozzle insert, the bulge will engage with one of the notches. Thus the spraying angle is changeable by placing the bulge at different notches. The assembly may be quickly disconnected for maintenance or replacement.

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: Apparatus and methods are provided for completing a wellbore junction. In one embodiment described herein, a lateral wellbore junction is sealed utilizing an apparatus assembled within the well. The apparatus may include multiple housings which are engaged with each other to form a sealed assembly with flow passages extending into the lateral wellbore, and upper and lower portions of a parent wellbore. Associated sealing devices and flexible couplings are also provided.

Abstract: In an arrangement for mounting pipe end flanges to the exhaust gas passages of a cylinderhead of an internal combustion engine, the cylinderhead has pockets formed at one side of the exhaust gas passages and the pipe end flanges have projections projecting in opposite directions. One of the flange projections is received in the respective pocket while the opposite one is engaged by a guide strap holding the flange in engagement with the cylinderhead. A gasket and spring structure is disposed between the flange and the cylinderhead for controlling the engagement pressure between the flange and the cylinderhead.

Abstract: A coupling for interconnecting two fluid flow lines includes a first coupling member (1) having a male end (4) and a second coupling member (2) having a female end (17) within which a rotatable collar (3) is held captive. The male end (4) includes four equally circumferentially spaced lobes (16) and the collar (3) has a cylindrical portion (3) that is shaped at its inner end to provide a square cross-section (35) to allow passage of the lobes (16) therethrough. The end rim (33) of collar (3) is recessed (37, 38) whereby upon insertion of male end (4) through collar (3) and rotation of the collar, the lobes (16) can seat within the recesses (37, 38), thereby releasably interconnecting the first and second coupling members (1, 2).

Abstract: A coupling for coupling hoses comprising a pair of coupling main bodies that are structurally identical and undiscriminable for male and female. Each of said coupling main bodies is provided at the front end surface with a sealing surface for mutual abutment and at the front end with a plurality of engaging projections and engaging recesses, each of said engaging recesses being arranged between any two adjacent engaging projections, so that the engaging projections and the engaging recesses of the two coupling main bodies can be complementarily engaged with the corresponding engaging projections and engaging recesses of the other coupling main bodies. The engaging projections are provided with respective hooked anchor sections that are peripherally engaged to restrict axial movement and consequently couple the pair of coupling main bodies.

Abstract: Fitting grooves in a frame member 1 are formed so as to create approximately T-shaped cross section with a small opening width, and a connection hole is formed in the bottom of the fitting groove. An attachment section of a fluid-related device has a locking section 20 with a horizontal width less than and a length greater than the width of the opening of the fitting groove, and a seal member that seals the circumference of the connection hole. The Locking section 20 can be attached to and removed from the opening of the fitting groove by inserting it into the fitting groove and rotating it through 90.degree..

Abstract: A two-piece connector includes a collar having an aperture in its relatively thick end-wall which bears an internal annular groove. The skirt of the collar is adapted to be slipped over the end of a length of tubing and contains tines to graspingly engage the outer surface of the tubing. The barb portion of the connector is adapted to fit through the aperture in the end-wall to frictionally engage the lumen of the tubing. An interrupted flange at the upper portion of the barb is adapted to twistably engage the internal annular groove in the end-wall to securely lock the barb to the collar.

Abstract: An engine casing structure for a gas turbine engine or the like is described which comprises two substantially tubular shaped axially adjacent abutting casing portions and a rotatable clamping ring on one casing portion having a plurality of lugs which engage a corresponding plurality of lugs on the axially adjacent casing portion providing a positive clamping force between the two casing portions, the clamping ring being held in place by a small plurality (eight or fewer) of bolts.

Abstract: The connector assembly for double tubing includes a pair of interengageable coupling members that engage when latches on the respective coupling members are aligned in a predetermined nonlatching position. Locking of the coupling members together is accomplished by rotating one of the coupling members with respect to the other coupling member to interengage the respective latches of each coupling member. A latch section of one of the coupling members extends transversely of the coupling member body and a latch section of the other coupling member extends longitudinally of the coupling member body. A locking notch in one of the latch sections receives the other latch section to place the coupling members in a locked position when one of the coupling members is rotated to engage the latches. Further rotation of the coupling members unlatches the respective latch members to permit separation of the coupling members upon imposition of oppositely directed forces on each of the coupling members.

Abstract: A mechanism (10) is disclosed including a slide plate (32) having die openings (38) adapted to hold dies (42a, 42b) and slideably mounted between the axial downstream face of a barrel extension (20) and an annular pressure seal (56) and the axially upstream face of an annular pressure plate (48). The annular pressure seal (56) is axially adjustably mounted to a first mechanism frame element (18) and the annular pressure plate (48) is mounted to a second mechanism frame element (46). The framework (68) of a cutter assembly (66) is mounted by a hinge (70) to the second mechanism frame element (46) and is carried thereby. The central openings (52, 54) of the annular pressure plate (48) and the second mechanism frame element (46) are frustoconical in shape having circular cross sections to allow exit of food extrudates from the dies (42a, 42b) without hang-up and providing maximum clearance and visibility of the rotary cutter (74) of the cutter assembly (66).

Abstract: Mechanism (10) for removably securing a die (22) to the flange (18) of a discharge (14) of a cooker (12) is disclosed including first and second connector rings (30, 56). The first connector ring (30) is rotatably mounted to the flange (18) of the cooker (12) by its securement to C-shaped carrier members (38) rotatably mounted to C-shaped collar members (32) secured to the flange (18). The first connector ring (30) includes a plurality of circumferentially spaced, wedge-shaped teeth (46) extending radially inwardly. The second connector ring (56) is secured to the flange (24) of the die (22) and includes a plurality of circumferentially spaced, wedge-shaped teeth (66) extending radially outward. The second connector ring (56) is axially movable such that the teeth (66) thereof pass axially between the teeth (46) of the first connector ring (30) in an unlocked position.

Abstract: A nozzle assembly has a nozzle body and a nozzle insert. A sealing member for the assembly is mounted in a groove on the nozzle insert, so as to be removed with the insert. The sealing member, for example an O ring, provides both a sealing function and resiliently biases the insert and body into engagement with one another. Locking projections are provided on the body and insert. The insert has a frusto-conical surface on which the O ring is mounted, so that the O ring is both stretched radially and compressed between the body and insert. A second O ring seal can be provided. For ease of manufacture, locking projections on the insert are formed by a pressing operation, and these locking projections can include a short step to facilitate the engagement of the nozzle body and nozzle insert.

Abstract: A coupling assembly comprising a fitting body designed to fit on to a pipe and on to a container, typically a vehicle tank, via an intermediate element designed to click on to the fitting body and connectable to the container, for example, via a screw connection.

Abstract: A connector system comprises a socket having at least one locking pin and a plug comprising a plug body and a locking ring having at least one slot along which the pin can move and an elastic member disposed at one end of the slot defining a first area in which the slot tapers and a second area in which the pin is selectively lodged. The aforementioned one end of the slot terminates at an abutment. The second area is wider than the pin and the first area so that the elastic member is retracted elastically when the pin enters the first area and returns to its initial position without being compressed by the pin when the pin is in the second area near the abutment. The elastic member of the connector system is a cantilever beam having a notch at its free end.

Abstract: A bellows sealed ball joint comprising an inner spherical shell, a bellows and an outer spherical shell. The inner spherical shell comprises a plurality of elongated non-spherical areas or indentations which receive a plurality of locking surfaces on the outer spherical shell. The inner and outer spherical shells can then be rotated with respect to each other a predetermined distance until the spherical locking surfaces on the outer spherical shell operatively engage concentric spherical locking surfaces on the inner spherical shell. Once the locking surfaces of the inner and outer spherical shells are in operative engagement, the bellows ball joint can pivot freely without becoming disconnected. A final joining seal is then made at each end of the bellows to prevent the spherical sections from unlocking and to provide a hermetic seal. In an alternate embodiment, the inner spherical shell is shown as having elongated slots in place of the non-spherical areas.

Abstract: A water injector system is provided for inter-connecting a water hose to a fill opening in the wall of a dishwasher tub. The injector includes an elongated body having a water ingress opening at the upper end and a water egress opening at the bottom end. A coupler having a plurality of lugs is provided at the lower end of the body and is adapted to cooperate with notches surrounding the fill opening of the dishwasher tub for connecting the injector to the tub and for holding the egress opening in communication with the fill opening of the tub. A ferrule is integrally provided on the upper end of the body for connection to a water hose to provide fluid communication from the hose through the injector into the fill opening of the water tub.

Abstract: A fluid coupling includes first and second connectable fittings. Each of the fittings include a body, an annular seat, and a fluid channel extending through the body and seat thereof. The first fitting includes a pair of latch bosses, and the second fitting includes a pair of latch arms, with the second fitting being rotatable relative to the first fitting to a latched position wherein the latch arms engage the latch bosses for maintaining the first seat adjacent to the second seat for allowing fluid to flow between the first and second channels. The fittings are also rotatable to a disengaged position wherein the latch arms and pins are disengaged to allow the first and second seats to be separated.

Abstract: A thermal isolation coupling system for attaching a high-temperature fluid-bearing tube to an aperture in a housing, in which a separate low temperature flow is established. Locking means attaches the tube end to the housing, in a particular desired position relative to the aperture. A tube support member connects the tube end to the locking means and facilitates positioning of the extreme tip of the tube end in the low temperature flow, in substantially non-heat conducting isolation from the aperture and the housing.