Abstract: A compressed seal expansion joint for fluidically connecting in a sealed relationship adjacent ends of two conduits adapted for carrying fluids of varying temperatures, the expansion joint comprising telescopically arranged outer and inner pipe members adapted to be connected to each of the conduits, the outer pipe member defining an annular packing chamber opening through its inner surface for containing at least two cylindrical guide rings disposed at opposite ends of the chamber, the rings being of a generally rectangular cross section having their long faces longitudinal to the members axis and selected of an elastic and semi-plastic packing composition pressurized by tensioned hoop bands circumscribing the outer pipe member and selected to elastically deform the outer pipe member and communicate a circumferentially compressive force to the guide rings so as to create bearing and frictional loadings and seal between guide ring surfaces and the pipe member surfaces during axial and rotational relative pipe

Abstract: An improved locator and hose clamp configuration that is able to statically position a hose clamp in close proximity to the end of a hose, and resist substantial pull off loads. The improved hose clamp locator comprises a connection portion, a head portion, a deflecting portion having a reduced bending resistance positioned between the connection and head portion, an end portion extending angularly from the head portion, a clip portion extending angularly from the end portion, and a tooth portion disposed to engage an interior surface of a hose extending angularly from the clip portion. Also provided is an improved hose clamp assembly comprising a band provided with a partial aperture, an adjustor disposed to facilitate constriction of the band, and a clamp locator connected to the band and positioned adjacent the partial aperture.

Abstract: A coupling is designed for sealingly connecting two fluid conduits such as automotive fluid lines in axial end-to-end relationship. The conduits have respective telescopically interengaging male and female end sections and the coupling comprises a base member to be carried on one of the fluid conduits and a retaining structure mounted on the base member and having two C-shaped arms which can be interconnected around the other conduit end section. A releasable lock acts between the arms to lock the retaining structure in engagement. In the locked condition the axially oriented abutment surfaces in the retaining structure engage peripheral shoulders on the conduits to prevent axial separation of the latter. The coupling can be fabricated from integral plastic components and preferably includes a guard arrangement to shield the releasable lock against inadvertent disengagement.

Abstract: A fixation clamp device includes a bracket having two flaps extended from a base plate which has a channel, and a block slidably coupled along the channel of the base plate with a fastener. The block includes a mouth and a port communicating with a bore, a fitting is engaged onto one of the flaps and coupled to the port of the block. A forcing device may force the block against the fitting. A gasket may be engaged between the port of the block and the fitting, and may include one end engaged into the port of the block. One or more further fittings may be selectively engaged onto the bracket, and coupled to the port of the block.

Abstract: A puller (10) for removing a compression sleeve from a pipe (38) generally comprised of a cylindrical body (24) containing on one end an internal cavity (28) to receive the pipe (38) and an external double thread (30) to engage a compression nut (34) and on the opposite end a threaded through screw (14) entering the cavity (28). A disk (22) attached at one end of the screw (14) bears on the end of the pipe (38) and a torque handle (12) at the other end is used to supply increasing pressure against the end of the pipe (38). The puller (10) is threadably attached to the compression nut (34) placing the pipe (38) into the internal cavity (28) against the disk (22) while the compression sleeve (36) is contained between the compression nut (34) and the puller (10). Turning the torque handle (12) urges the compression nut (34) and the compression sleeve (36) toward the end of the pipe (38) until the compression nut (34) and compression sleeve (36) are freed from the pipe (38).

Abstract: Couplers for coupling conduit in end-to-end flow communication relationship are disclosed. A coupler has at least two coupling members each having one end hingingly attachable to one end of another of the at least two coupling members, and one of each coupling members having one end configured with a first cooperating attaching component and the other of each having one end configured with a second cooperating attaching component. There may also be a pressure producing element which increases coupling forces when said first and second cooperating attaching components are attached. There may also be corrugations in the walls of one or all of the coupling members that fit within corrugations of corrugated conduit being connected. The inside diameter of the coupler is about equal to or greater than the outside diameter of the conduit being thereby coupled. In addition, a plurality of couplers and/or coupling members may be used to couple conduit with small diameters and conduit with large diameters.

Abstract: A hose and clamp assembly comprises a hose, a band-type clamp encircling the hose, and an elastomeric envelope bonded to the hose and attaching the clamp to the hose along a section of the clamp band. The elastomeric envelope is provided with at least one discontinuity to define a removable center section whereby the removable center section can be separated along the at least one discontinuity to form an open channel in the envelope and enable removal of the clamp. The at least one discontinuity can comprise a groove or a plurality of perforations. The at least one discontinuity can comprise parallel grooves aligned with the edges of the clamp band to define the removable center section. A channel is formed in the envelope by the removal of the removable center section and the clamp to provide a receptacle for proper positioning of the replacement clamp on the hose.

Abstract: A band clamp used to connect tubular bodies such as vehicle exhaust system components. The band clamp has a band extending from a first end to a second end and includes a pair of spaced ribs extending at least part way between the first and second ends. A tightening mechanism is connected to the band and includes two clamp members movable toward and away from each other for tightening and loosening of the band. The band clamp further includes a gasket located on an inner surface of the band between the ribs and extending between the first and second ends. The use of the ribs with the interposed gasket provides a mechanical interlock of the band clamp with the tubular bodies while providing a hermetic seal at the junction between the two bodies.

Abstract: A pipe clamp including a strap adapted to surround a pipe. The strap includes first and second opposing ends separated by a gap. The clamp also includes a fastener that extends across the gap for tightening or loosening the clamp by narrowing or widening the gap between the first and second opposing ends of the strap. The first opposing end includes at least one projection and the second opposing end defines at least one recess for receiving the projection when the clamp is tightened.

Abstract: An adapter device includes a bracket having a wall and a fence extended from a base panel, the fence includes an opening formed by two arms for receiving a pipe, a tube is threaded to the wall and has one end movable toward and away from the fence. One or more plugs are selectively engaged between the tube and the pipe for making a tight seal between the tube and the pipe. One or more of the plugs may include a blind structure to block the tube and the pipe, or may include an orifice for communicating the tube and the pipe with each other.

Abstract: In a single-piece connector clamp for flange connections of pipe sections wherein the clamp has a U-shaped spring back with opposite legs and spring arms extending from the legs in spaced relationship and forming spring arm pairs disposed at opposite sides of a reception space for the connector flanges, the connector clamp includes in the center area of the web a cutout area which extends from the base of a spring arm to the adjacent spring arm base so that the spring arms of the single piece connector clamp are supported resiliently for independent clamping action.

Abstract: A coupler for a low pressure piping system has a hollow metal tube terminating in a pair of end portions defining open ends for slidably receiving and joining together sections of other metal tubes in a substantially air tight relationship. Slots are formed in at least one of the end portions to aid in the crimping of the hollow metal tube by an annular clamp. A radial flange is formed adjacent the end portion and receives an annular seal therein. A stop for limiting the insertion of a tube section into the end of the hollow metal tube is formed on the inside of the coupler adjacent the radial flange opposite the slots. The annular clamp encircles the slots and is tightened to clamp the end portions to form metal to metal contact between the metal tubes and to form a seal between the annular seal and both metal tubes.

Abstract: The invention relates to a clamping device set for aligning and clamping two pipe ends, with clamping plates (1) which are arranged axially distanced, with clamping wedges (2) which extend in axial direction and which on a first side (21, 23) are mounted movable in radial direction on the clamping plates, and on a second side (22) have a contact surface for acting on the pipe ends (91, 92), with a guide for guiding the clamping wedges (2) on the clamping plates (1) and with an actuation means (3) for moving the clamping wedges (2), wherein the guide (4) is provided with an elastic holding means for holding the clamping wedges (2) on the clamping plates (1). The invention extends further to a clamping device set with several sets of exchangeable clamping wedges (2) which have differing distances from the inner to the outer side (21, 22).

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 coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

Abstract: A clamping system for high or ultra-high vacuum system components including a clamping member surrounding a flange of the vacuum system component. A bead along the inside diameter of the clamping member engages a groove in the peripheral surface of the flange. When a clamping force is applied to the clamping member, as by a bolt, the force is transmitted to the flange providing sufficient clamping force to form a vacuum seal.

Abstract: A clamp subassembly includes an annular clamp and a clip attached to the clamp. A hose and clamp assembly includes a hose having an outer surface and an opposing sealing surface and includes the clamp subassembly. The clamp surrounds the hose and has an inner surface with an adjustable diameter. The clip includes a tang having a free end embedded in the hose providing attachment of the clamp subassembly to the hose, wherein no portion of the clamp and no portion of the clip interferes with the sealing surface of the hose. A method for attaching an annular clamp to a hose includes attaching a clip to the clamp, wherein the clip includes a tang having a free end. The clamp is disposed to surround the hose. The free end of the tang is embedded in the hose. In a different embodiment, for the assembly and the subassembly, the clamp and the tang together define a monolithic structure.

Abstract: A quick locking and unlocking coupling for connecting lengths of flexible, corrugated conduit in end to end registration, or for attaching conduit to an outlet, feeder or source of, for example, industrial, high volume vacuuming equipment, includes a cylindrical conduit joining member having half sections that are insertable within the ends of the conduit lengths for aligning and supporting the conduit ends thereby establishing fluid, gas or material flow communication through the lengths of conduit. An annular center flange projects from the conduit joining member providing an abutment surface for the respective conduit ends, and a pair of pivotally joined arcuate arms are mounted to the flange and are movable from an unlocked position to a locked position encompassing the flange and the ends of the conduit thereby locking the coupling to the conduit ends and interconnecting the conduit lengths thus providing gas, fluid or material flow therethrough.

Abstract: Male and female components joined to respective pipes are coupled by an annular element (21) which embraces the male component and engages it in a transverse plane, and at least two coupling elements (30, 30′) for hooking the female component, each having two parallel hooking arms (31) in the form of plates which lie in planes parallel to the axial plane (P) passing through the longitudinal center line of the coupling elements (30, 30′). Flanges (41) for the coupling elements are joined to the annular element (21) in planes parallel to the planes defined by the hooking arms (31), and these carry a transverse pin (42) for securing the hooking arms (31) in an axial direction. Axial traction applied to the coupling elements (30, 30′) firmly join the male and female components together. The ball-and-socket joint obtained is able to better support high pressure.

Abstract: A profiled clamp connecting two pipes has an articulated clamp strip having sidewalls and a transverse portion connecting the sidewalls and a tensioning closure around the clamp strip. A conical metal ring is arranged in the clamp strip and has a radially inner edge with teeth having free ends positioned on a circle with a diameter that is smaller than an inner diameter of the sidewalls. The conical ring has a radially outer edge resting in a bend between sidewall and transverse part. The first pipe has a widened end section with a conical transition and a radial flange engaging between the sidewalls. The second pipe has a smooth end section inserted into the widened end section. The outer flange diameter is greater than the inner sidewall diameter and smaller than the inner diameter of the transverse part. A seal rests between the smooth end section and the conical transition.

Abstract: A mechanical joint including a circular seal (4), a gland ring (5), an elastic ring (6) and a back-up ring (7), as well as a body (1), with closure and backing part (2), while the joint can further contain a counterseal as an option, the body can further contain the closure and backing part as an option, and the elastic ring (6) is optionally equipped with two symmetrical pitch union nuts (9, 10) and two gaskets (11, 12), as well as with a symmetrical pitch screw (13). The joint has application to all pipe couplings, with alignment stress or with misalignment tolerance.

Abstract: A single flare tube, and a joint structure of the single flare tube makes a flare of the single flare tube hardly deformed plastically. Additionally, a tensile stress remains lower and is lower when the single flare tube is fastened. A joint structure of the single flare tube coupled with a union includes a single flare tube having a tube and a flare, a flare nut having a thread and a through-hole that receives the tube of the single flare tube, and a union having a thread for coupling with the thread of the flare nut. A width of a narrow inner circumferential groove of a radially outward extending part of the flare is substantially zero and stays substantially zero when the single flare tube is pushed against and coupled with the union by fastening the threads of the flare nut and the union together. Additionally, an internal diameter of the inner circumferential groove preferably is smaller than an external diameter of the tube.

Abstract: An adjustable meter loop assembly that is attachable to a variety of gas meters. The adjustable meter loop assembly includes a first pipe, a second pipe, and a meter bar assembly connecting the first and second pipes. The first pipe is connected to gas supply (inlet) piping. The second pipe is connected to service (outlet) piping that runs to the residence or commercial site. The meter bar assembly includes a first member connected to the first pipe, and second and third members having first and second ends. The first ends of the second and third members are connected to the first member. The second end of the second member is connected to the second end of the third member to form an area for receiving the second pipe.

Abstract: The present assembly relates to a series of successively sized segmented pipe couplings in which an anti-mismatch is provided to prevent the inadvertent connection of two different, but closely, sized arcuate coupling segments together. The anti-mismatch is provided by members on the ends of the arcuate coupling segments which (a) will nest when the proper coupling segments are brought together, but (b) will be in an interference non-nested relationship when a mismatch is attempted. This will prevent the fully bolt tightened connection of the size mismatched coupling segments, as well as a visual indication to the workman that a size mismatch is being attempted.

Abstract: A coupling for axially joining pipe ends together is disclosed. The coupling is divided into a pair of coupling portions which clamp around the pipe ends opposite one another. Each coupling portion has a pair of keys which engage circumferential grooves in the surfaces of the pipe ends. Each coupling portion has a free end with a V-shaped tongue extending therefrom and an opposite free end with a V-shaped recess. When clamped around the pipe ends, the V-shaped tongue on one coupling portion engages the V-shaped recess on the other coupling portion. The tongues each have an apex and the recesses each have a vertex which may be offset from the centerline of the coupling.

Abstract: Two pipe sections (1-4, 31, 32) of a high-pressure line each comprise a fluid-tight inner jacket (9) made of a thermoplastic material and a reinforced outer jacket (10). The innner jackets are attached to one another by means of a fluid-tight weld (5-8, 33) and the outer jackets are each connected to one another by means of a connecting sleeve (16, 17, 25, 26). The connecting sleeve comprises shells which have serrations (15, 27) on the inside, as well as clamping means (13, 14, 28-31) for clamping the shells on the pipe sections in such a way that the internal serrations (18, 27) are made to interact with the outer jackets of the pipe sections.

Abstract: A modular system for adapting a boom concrete system into a line concrete pumping system utilizes a first substantially 90 degree elbow connected to the pump outlet so that the concrete flow is directed downwardly from the outlet. A second substantially 90 degree elbow is pivotally attached to the first elbow so that the concrete flow direction can be selectively positioned in a horizontal plane. The second elbow further includes a reduced diameter at its outermost end.

Abstract: The joint comprises two components to be coupled together, namely a male component and a female component joined to respective pipes. These two components are coupled together by a third component which comprises: an annular element (21) which embraces the male component and engages it in a transverse plane, and at least two coupling means (30, 30′) for hooking the female component, each comprising two parallel hooking arms (31) in the form of plates which lie in planes parallel to the axial plane (P) passing through the longitudinal centre line of the coupling means (30, 30′). In addition there is provided a pair of flanges (41) for each coupling means (30, 30′) in the form of plates firmly joined to the annular element (21) and lying in planes parallel to the planes defined by the hooking arms (31), said pair carrying a transverse pin (42) for securing the hooking arms (31) in an axial direction.

Abstract: A pipe clamp is described in this disclosure. The pipe clamp includes a strap adapted to surround a pipe. The strap includes first and second opposing ends separated by a gap. The clamp also includes a fastener that extends across the gap for tightening or loosening the clamp by narrowing or widening the gap between the first and second opposing ends of the strap. The first opposing end includes at least one projection and the second opposing end defines at least one recess for receiving the projection when the clamp is tightened.

Abstract: A hose having clamps secured at opposing ends is disclosed. The clamps provide a compressive force to secure the hose to an appropriately sized tube. A portion of the clamp is disposed between an inner surface and an outer surface of the hose to help prevent accidental removal. A portion of the clamp may extend out an opening expending from a passageway formed between the inner and outer surface. The openings at the opposing end of the hose may be rotational aligned relative to each other and optionally to curves in the hose itself.

Abstract: An exhaust apparatus includes a first pipe, a second pipe which includes a block, and a clamp positioned around a portion of a periphery of both the first pipe and the second pipe. The clamp is secured to the block.

Abstract: A fastener, such as for pipe clamps, has two parts, to be connected with one another, and a movable fastening part, one part being formed by an elongated strip (2) with at least one stop. The second part has a plate (4) extending transversely of the strip with an opening (5), the width of which corresponds at least to the width of the strip (2) and of the stop. The fastening part is formed as a spring clip (7) and has at least one spring leg (6), movable against a spring force out of the width region of the strip (2) and of the stop. To make a fastener available, which is as user friendly and economical as possible, the spring leg (6) can be moved out of the width region of the strip (2) and of the stop by a rotational movement about an axis of rotation arranged approximately parallel to the insertion direction of the strip (2) through the opening (5) in the plate (4).

Abstract: A hose and clamp assembly wherein the clamp is affixed to the hose in a single location, with limited circumferential movement of the clamp. The hose and clamp assembly is comprised of a hose, an annular hose clamp, and a clip. The clamp has an aperture therein and, in the hose and clamp assembly, is placed around the hose in a predetermined location and orientation. The clip has a protrusion that extends through the clamp aperture for securing the clip to the clamp. The clip is secured to the underside of the clamp and the clip is secured to the hose.

Abstract: An embodiment of a component assembly for use in a mechanism includes a first member having a pair of spaced flanges with fastener receiving openings through the flanges. A second member is a hardened powdered metal part including spaced seats engaging the flanges and slots in the seats connecting with enlarged recesses. The slots and recesses have openings extending through sides of the second member. Inserts extending into the recesses through the openings have fastener engaging openings aligned with the fastener receiving openings in the flanges of the first member. Fasteners extend through the flanges and the slots to the insert openings, fixing the flanges of the first member to the seats of the second member. Exemplary assemblies are illustrated. The assemblies provide hardened wearing surfaces made from powdered metal with manufacture simplified by the fastener inserts received in openings formed parallel to the other major surfaces of the powdered metal components.

Abstract: A cementing head is provided for introduction and separation of fluids in a well. The cementing head comprises a plug container having upper and lower fluid inlets oriented tangent to the bore of the plug container. The upper inlet is located below the upper end of the plug so that a compact manifold can be used therewith. The compact manifold includes first and second discharge tees which may be connected by a one-piece coupling such that rotation of the coupling in one direction causes the discharge tees to seal against a spacer therebetween and rotation in a second direction causes the discharge tees to move apart from one another. A coupling for quick coupling of the plug container to a casing collar is also provided. The coupling apparatus comprises a locking clamp having pivotally connected arcuate clamp portions. Each arcuate clamp portion engages a lower end of a casing collar. A threaded adjustment is provided for increasing an initial compression of a seal against the upper end of the casing collar.

Abstract: An exhaust apparatus includes a first pipe, a second pipe which includes a block, and a clamp positioned around a portion of a periphery of both the first pipe and the second pipe. The clamp is secured to the block.

Abstract: A band clamp used to connect tubular bodies such as vehicle exhaust system components. The band clamp has a band extending from a first end to a second end and includes a pair of spaced ribs extending at least part way between the first and second ends. A tightening mechanism is connected to the band and includes two clamp members movable toward and away from each other for tightening and loosening of the band. The band clamp further includes a gasket located on an inner surface of the band between the ribs and extending between the first and second ends. The use of the ribs with the interposed gasket provides a mechanical interlock of the band clamp with the tubular bodies while providing a hermetic seal at the junction between the two bodies.

Abstract: An articulated clamp connector is for interconnecting pipes, cables, etc. preferably underwater, where interconnecting ends of pipes are provided with connecting flanges with outer conical surfaces which interact with opposite surfaces of the clamp. When joining the pipes, the connecting flanges are pressed against each other and provide a metal seal between the flanges. The clamp connector has a set of outer articulated clamp halves for placing around the joining flanges, and a first tightening bolt for closing the outer clamp halves around the joining flange. Further, the clamp coupling has a split activating ring slideably arranged inside the outer clamp halves, a second tightening bolt arranged for tangential movement of the split activating ring, a number of spring elements arranged between the split activating ring and locking segments. These spring elements are placed in grooves, respectively, in the inner part of the split activating ring and the outer part of the locking segments.

Abstract: A pipe clamp has a tightenable clamp body and at least one spike strip arranged radially inwardly within the clamp body and slanted toward the axial center of the clamp body. The spike strip and a radially inner side of the clamp body delimit an acute angle therebetween. The spike strip has a first longitudinal edge provided with teeth projecting radially inwardly and slanted axially relative to the clamp body. The at least one spike strip has a second longitudinal edge supported in a radial direction and in an axial direction on the clamp body. An area between the at least one spike strip and the radially inner side of the clamp body defined by the acute angle is free of parts counteracting a bending of the at least one spike strip toward the radially inner side of the clamp body.

Abstract: To provide a connection portion of an exhaust pipe for an engine, which is intended to rigidly connect the exhaust pipe to an exhaust port of the engine, to prevent gas leakage by eliminating occurrence of clearance at the connecting portion, to reduce the flow resistance of exhaust gas in the exhaust pipe, and to reduce the production cost of the connection portion. An extension portion extending outwardly is integrally formed on the edge of an end portion of an exhaust pipe; a collar is fixed on the outer periphery of the end portion of the exhaust pipe by caulking; and the edge of the outer end of the collar is abutted against the extension portion.

Abstract: A multi-setting connector for connecting at least one secondary branch line to a main line of a sap collection system or network comprises a clip member, a sap conveying member and a pair of straps. The clip member by way of the straps is adapted to be firmly mounted around the main line with the sap conveying member extending through the clip member and into the main conduit and having tubular fittings for connection to the branch lines such that the branch lines are fluidly connected to the main line. The straps are detachable from the clip member with the clip member and the straps being adapted to be selectively connected together such as to adjust an effective length of the straps, typically depending on the outside diameter of the main line. More particularly, the clip member and the straps include co-operating male and female engagement members configured for mounting the straps at various relative positions with respect to the clip member.

Abstract: A gasket coupling clamp for pipe joining of the type having a gasket coupling body (4) formed at opposing ends with male threads (7) which communicate with female threads (8) of a nut (3). A rubber gasket (5) is sand-witched between said nut and said coupling body to compress around pipe ends as each pipe end is inserted into said nut and through said rubber gasket and into said coupling body providing a seal. Each said nut is cast with a stationary pipe clamp (1) which communicates directly with each pipe respectively, as a rotating pipe clamp (2) is rotated around a bolt (6) and aligns over the pipe directly opposite the said stationary pipe clamp and rests against another bolt (6) in a open latch receiver (10) formed on one end of the said rotating pipe clamp. The said bolts respectively are tightened clockwise into threaded holes (9) which in turn pinches the respective pipes into a locked position.

Abstract: A band clamp is provided making a joint in each of two pairs of closely spaced pipes wherein the pipes in each pair are aligned with each other. The clamp has a single closed loop clamp band for connecting adjoining ends of the first pair to make a sealed joint and connecting the adjoining ends of the second pair of pipes to make a sealed joint. The clamp band encircles both pairs of pipes and overlaps a portion of the adjoining ends of both pairs of pipes. The closed loop of the clamp band has oppositely disposed concave lobe portions spanning the gap between the pipes and a clamping mechanism is provided for drawing the lobe portions toward each other for tightening the band around the adjoining ends of the pipes to provide a mechanical connection and a sealed joint in each pair of pipes.

Abstract: A connecting clamp includes a heating member which surrounds a portion to be connected of a steel pipe and heats the portion to be connected, and a first clamp section and second clamp section positioned on opposite sides of the portion to be connected and clamping the steel pipe, whereby the portion to be connected is connected by heating the portion to be connected by the heating member while applying pressure to the portion to be connected by the first and second clamp sections. The first and second clamp sections and the heating member are so arranged as to be slid around the outer surface of the steel pipe from one side of the steel pipe to the other side thereof.

Abstract: A quick coupler formed of two identical sectors that snap lock together in a radially inward direction relative to a central axis of an annular hole passing through the coupler. The coupler is in the form of a nut or housing for surrounding the ends of two conduits that are to be coupled. The annular hole extends between opposite end faces and has structure near each end face. The structure at one end of the annular hole comprises a flange for retaining a first conduit when the sectors are snapped surroundingly snapped together on the end of the first conduit. The structure at the other end of the annular hole has circumferentially spaced lugs for cooperation with bosses on the second conduit in a bayonet quick coupling fashion. The combination of the coupler with first and second conduits having cooperating structure enabling the coupler to join the conduits in sealed fluid communication.

Abstract: A corrugated pipe joint for coupling corrugated pipes includes at least two joint components, each of which includes a joint main body made of a synthetic resin and including an arc-shaped portion and tightening projecting edges which are outwardly projected from circumferential end portions of said arc-shaped portion in a radial direction of the corrugated pipes to be coupled, and a watertightness-implementing packing made of an elastic material and assembled with the joint main body, the watertightness-implementing packing including an arc-shaped portion and flange edges projecting outwardly from circumferential end portions of the arc-shaped portion in the radial direction.

Abstract: A device for coupling together in leaktight manner two smooth tubes disposed end-to-end, the device comprising a sleeve which diameter can be reduced by a tightening action, and a sealing ring (24) suitable for being disposed inside the sleeve so as to surround the ends of the two tubes. The ring is constituted by a looped flat strip (26) having two longitudinal ends (26a, 26b) suitable for coming into contact with each other when the sleeve is tightened around the tubes (20, 22). The first longitudinal end of the ring is provided with a notch (28), while the second longitudinal end of the ring is in the form of a tongue (30) suitable for being inserted into the notch. Both the width of the tongue and also the width of the notch taper in the direction going along the strip from the first longitudinal end to the second longitudinal end.

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: A fitting for receiving a pipe end portion, typically in an irrigation system, has an integrally formed half clamp cooperating with a separate half clamp to secure the fitting and pipe against separation, the integral half clamp providing a ledge protrusion which positions a pipe disposed thereon for ready insertion into the fitting.

Abstract: The invention relates to a pipe coupling having a sleeve-shaped outer body for accommodating a sealing arrangement and at least one pair of clamping elements, which is arranged adjacent to one side of the sealing arrangement inside the sleeve-shaped outer body and serves to clamp the end of an inserted pipe in place, in which case the pair of clamping elements can be restrained against the end of an inserted pipe transversely to the axis of the pipe coupling via a clamping screw passed through the sleeve-shaped outer body and is pressed apart by of a spring, and the clamping elements are guided in the restraining direction in the sleeve-shaped outer body.