Abstract: A housing type joint including: a housing formed by arranging at least three arcuate segments in a circumferential direction with gaps; an elastic ring arranged in the housing for hermetically sealing end portions of a pair of pipes; a fastening band arranged so as to surround an outside surface of the housing and having loop portion at both ends thereof; and a fastening unit that makes the loop portions at both ends of the fastening band closer to each other, in order to make the arcuate segments closer to each other or in contact with each other; wherein the elastic ring has engagement projections at positions located in a circumferential direction thereof with gaps, correspondingly to the respective arcuate segments, each engagement projection extending outward in a radial direction of the elastic ring; each arcuate segment has a positioning hole into which each engagement projection is inserted; and a fastening-band guiding part is provided on an outside surface of each arcuate segment for guiding the fas

Abstract: An apparatus and method according to which the apparatus includes a pair of connected arcuate members for clamping around a pipe, with each arcuate member including at least one protrusion. The arcuate members have a first material hardness and at least a portion of the at least one protrusion has a second material hardness that is greater than the first material hardness so that the portion penetratingly engages the pipe when the arcuate members are clamped around the pipe.

Abstract: Disclosed is a coupling for a spiral wire flexible hose. The coupling includes a ring clamp configured as a clamping jaw and including at least two partial shells enclosing a sleeve of the spiral wire flexible hose. The ring clamp has an inner contour having a spiral to receive a spiral wire flexible hose in a positive locking engagement. The hose is adapted to receive a spout therein. The spiral extends up to a protrusion situated at the end of the ring clamp. The spout is clamped such that the spout is axially immovable.

Abstract: Improved self-tightening clamp assemblies are provided, which are designed for application to the adjacent ends of connected pipe sections in spanning relationship to the joint therebetween. The assemblies include a plurality of clamp bodies configured for placement about the adjacent pipe section ends and carrying a plurality of pipe-engaging teeth; a clamping mechanism is operably coupled with the clamp bodies to cause the teeth to grippingly engage the pipe section ends. The teeth are oriented so as to exert an increasing gripping force on the pipe sections ends in the event of relative separation movement between the ends.

Abstract: Pipe fittings are provided which can be used in repairing a damaged pipe section or in adding additional pipe outlets to an existing pipe, wherein the pipe is either located under the ground or in an otherwise close fitting environment where only limited space is available for making such repairs or additions. The fitting comprises a pair of semi-cylindrical members that are adapted to fit around and engage the periphery of opposed ends of a pipe line that has been breached for the purpose of repairing a leak in the pipe line or to have an additional pipe connected in fluid flow relationship to the original pipe line. Longitudinal edges of the two semi-cylindrical members are formed so as to mate with one another to form a mechanical means of locking the semi-cylindrical members together in tight engagement with the ends of the pipes.

Abstract: In one embodiment, a containment apparatus includes an outer casing having a body with a first end and a second end sized to fit around a pipe, and an interior channel in the body that extends between the first and second ends configured to receive a section of the pipe. The length of the interior channel is sufficient to enclose a rupture in the pipe between the first and second ends of the body. One or more seals between the first and second ends of the body are configured to seal the outer casing around a rupture in a pipe when a pipe is received in the interior channel. The containment apparatus further includes a securing mechanism that maintains the one or more seals against a pipe when the containment apparatus is attached to a pipe.

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 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 sealing of pipe repair clamps is taught providing a flexible inner sheet or sleeve adapted for duty inside a pipe repair clamp to prevent leakage of the fluid to be transported in a pipeline. The inner sheet or sleeve may be used in combination with a band-type pipe clamp of various types. The clamp may also be useful for temporary or permanent repair of a leaking pipe and for connecting two pipe ends. The clamp may include, in a pipe clamp or coupling for pipes by means of a metal clamping band to surround the pipes, and a flexible inner sheet or sleeve disposed inside the clamping band, having reinforcing material bonded to or embedded in the inner sheet or sleeve to inhibit axial expansion when the inner sheet or sleeve is under compression between the pipes and the clamping band.

Abstract: Once the core barrel has been inserted into the ground to the appropriate depth for the required soil sample, it may be withdrawn by removing the entire drill string. Once withdrawn, the soil sample may be obtained by unscrewing the adapter coupling 12 and drive shoe 14 from the respective ends of the core barrel. One or both of the halves 110a, 110b may then be axially slid with respect to one another until locking tabs 142, 152 of locking configurations 160 are offset and become released/disengaged from one another. This allows the halves to be separated so that the soil sample may be readily accessed.

Abstract: An apparatus to seal terminal ends of the two half oversized sleeves, positionable on the external circumferential side of affected riser pipes. The apparatus comprises of a pair of flange bodies integral to the two half oversized sleeves and a pair of terminator bodies. Each flange body includes a semi-circular collar with a plurality of bores and a semi-circular lip. The terminator body includes a semi-circular collar with a plurality of bores and a semi-circular recess structured and configured to receive the respective semi-circular lip. Two semi-circular graphite strips are introducible into the semi-circular recess. The terminator body is secured against the flange body by tightening of nuts and bolts introduced between the bores in the flange body and the terminator body.

Abstract: A pipeline repair system includes a sleeve adapted to permanently enclose an outer surface of a longitudinal section of a pipeline having a defect. The sleeve includes two or more longitudinal segments of a cylinder joined at the longitudinal edges to form a sleeve with a first and second radial ends. The sleeve is sealed at the radial ends forming an enclosed annular space between the pipeline and the sleeve. An injection port assembly on the sleeve is adapted for temporary connection to an external source of pressurized material. The pressurized material may be a fluid, gas, or slurry. After filling the annulus with pressurized material, the port assembly is sealed. The permanent sleeve receives a majority of the tangential (hoop) stress load from the section of pipeline via the pressurized material in the annular space and may receive a portion of the longitudinal stress load from the section of pipeline.

Abstract: A mechanical pipe coupling permitting relative axial, torsional and angular deflections between pipes joined together by the coupling is disclosed. Rings, each having a greater outer diameter than the pipe, are attached to each end of the pipes to be joined. Each ring has a circumferential groove that receives an O-ring seal. A band is positioned coaxially around the rings. The band has an inwardly facing surface that sealingly engages the O-rings. A housing is clamped around the rings and the band. The housing has rims radially extending in spaced relationship to the pipes but engage the pipes when they deflect to maintain a radial separation between the housing and the band, allowing the band to float on the O-rings and maintain a fluid tight seal. The housing has inwardly facing shoulders that engage the rings and limit the axial and angular displacement of the pipes within the housing.

Abstract: A coupling is provided for joining the ends of relatively soft plastic conduit. Hinged shell halves contain gripping teeth that penetrate and secure the conduit ends together. Penetration of the gripping teeth into the plastic conduit is accomplished by toggle clamps that supply the necessary embedding force. A seal is provided that prevents leakage into or out of the joint between the conduit ends.

Abstract: An improved tapping sleeve includes a first sleeve member having an outlet aperture, a second sleeve member, and a unitary gasket. An outlet retaining ring is positioned around the outlet aperture. A pair of end retaining lips are positioned on inner surfaces of the first and second sleeve members at opposing ends of the sleeve members. The gasket includes a gasket outlet having a pair of tapered surfaces on opposing longitudinal sides of the gasket outlet. The gasket, when positioned on a pipe in an un-stretched, uncompressed position subtends an arc of less than 360 degrees, creating a gap in the gasket. As the first and second sleeve members are connected, the outlet retaining lip engages armor members on the gasket, thereby circumferentially stretching the gasket and closing the gap. The tapered surfaces and the outlet retaining lip prevent excessive gasket flow into the outlet aperture.

Abstract: A method of repairing a section of pipe is described. The method includes applying a first split sleeve and a second split sleeve to the pipe section, functionally associating the first end of the first split sleeve with the first end of the second split sleeve, and applying a compressive force until the internal diameter of the pipe experiences compressive shear hoop strain. The method described produces substantially uniform compressive hoop strain along the length of the pipe section, and may exceed a predetermined value, such as 100 microstrain in compression, for example. The amount of force required may be calculated utilizing maximum operating conditions. The method described may produce an acceptable permanent repair by ensuring that the inner diameter of the section of pipe experiences compressive strain. Also described is a method of reinforcing a section of pipe utilizing these apparatus and methods.

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 to 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 first tubular is disposed coaxially within a portion of a second, larger tubular. A portion of the first tubular is expanded into frictional contact with the second tubular, thereby creating a liner and a hanger. In one embodiment, a pattern of grooves and profile cuts are formed in the surface of a portion of the first tubular body. The grooves in one aspect define a continuous pattern about the circumference of the tubular body which intersect to form a plurality of substantially identical shapes, such as diamonds. The grooves and profile cuts serve to improve the tensile strength of the tubular body. At the same time, the grooves and profile cuts allow for expansion of the tubular body by use of less radial force. The grooves and profile cuts further provide additional frictional support for hanging the expanded tubular onto the inner surface of a surrounding second tubular.

Abstract: A front derailleur includes a fixed member, a chain guide and a linkage assembly. The fixed member has a mounting portion and a pair of mounting flanges axially spaced from each other. The linkage assembly is coupled between the chain guide and the fixed member to transversely move the chain guide. The linkage assembly includes first, second and third links. The first link is pivotally coupled to the fixed member for rotation about a first axis. The second link is pivotally coupled to the mounting flanges for rotation about a second axis. The third link is coupled to the chain guide and movably coupled to the first and second links to form a four-bar linkage together with the fixed member. The mounting flanges preferably have different axial widths. The second link preferably has a longitudinal dimension of least about 45.0 millimeters.

Abstract: A coupler for a flexible tube is disclosed. The coupler includes a first channeled member having a generally semicircular cross-section and a first longitudinal axis extending therethrough and a second channeled member having a generally semicircular cross-section and a second longitudinal axis extending therethrough. The first longitudinal axis is generally parallel to the second longitudinal axis. A hinge connects a first length of the first channeled member to a first length of the second channeled member. A lateral axis generally bifurcates the first length of the first channeled member and the first length of the second channeled member. A plurality of barbs are disposed in each of the first and second channeled members, wherein each barb extends generally toward an intersection of the longitudinal axis of its respective channeled member and the lateral axis. A lock secures a second length of the first channeled member to a second length of the second channeled member.

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 variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter and length of the cylinder. When marked with a scale, the cylinder acts as a measuring device that is both highly accurate and easy to use. A helical-based scale can be used alone, or a linear scale can be used in combination with a Vernier scale.

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: Connection elements for interconnecting two duct ends, the elements comprising a tubular connection member for uniting the duct ends, the tubular member comprising at least one pair of half-bodies which is arranged so as to be closed on at least one duct end and which is associated with elements for gripping the duct end when the pair of half-bodies is closed on the duct end, the gripping elements comprising at least one outwardly-directed projection formed by plastic deformation of the duct end in a position set back from an end face of the duct end, and two inner shoulders of at least one of the half-bodies, which shoulders are spaced apart axially so as to receive therebetween the outwardly-directed projection.

Abstract: The present invention relates to a repair clamp providing an improved pipe repair clamp. The clamp according to the invention could be used in some cases as a coupling to join two pipe ends. The clamp comprises; a) a metal clamping band to surround 3600 of a pipe.

Abstract: A coupler is disclosed 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 watertight coupler, of which the watertight structure is firm and reliable to make the coupler able to fast and conveniently connect two mutually opposite water pipes.

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: The present invention relates to the sealing of pipe repair clamps which provides a flexible inner sheet or sleeve adapted for duty inside a pipe repair clamp to prevent leakage of the fluid to be transported in a pipeline. The inner sheet or sleeve of the present invention may be used in combination with a band-type pipe clamp of various types.

Abstract: The present invention relates to a repair clamp providing an improved pipe repair clamp. The clamp according to the invention could be used in some cases as a coupling to join two pipe ends.

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 tube-in-tube joint includes a rectangular coupling having a longitudinally extending slot the entire length of the coupling which is inserted into opposed ends of two rectangular elongated tube members. Each elongated tube member is provided with an opening therein to receive a bolt therethrough, preferably a carriage bolt, wherein a squared shoulder portion adjacent the head of the carriage bolt fits within the slot of the coupling and the bolt opening. Alternatively, socket head cap screws extend through the bolt openings in the elongated tubes and the coupling slot receives T-nuts which are held in place in the longitudinally extending slot.

Abstract: An apparatus and method of creating a seal between two coaxial tubulars so as to create a hanger and a packer. A first tubular is disposed coaxially within a portion of a second, larger tubular. A portion of the first tubular is expanded into frictional contact with the second tubular, thereby creating a liner and a hanger. In one embodiment, a pattern of grooves and profile cuts are formed in the surface of a portion of the first tubular body. The grooves in one aspect define a continuous pattern about the circumference of the tubular body which intersect to form a plurality of substantially identical shapes, such as diamonds. The grooves and profile cuts serve to improve the tensile strength of the tubular body. At the same time, the grooves and profile cuts allow for expansion of the tubular body by use of less radial force.

Abstract: A duct joiner for air ducting is provided which has at least one tubular neck portion with resilient projections extending out of a first annular groove, a sealing ring mounted in a second annular groove and further resilient projections extending out of a third annular groove. A ramp surface between the first and second grooves assists in fitting an end portion of an air duct over the neck portion which rides over the resilient projections, then moves along the ramp surface and over the sealing ring and then over the resilient projections extending from the third groove. The projections then engage with the internal surface of the duct to retain the duct on the neck portion and a good sealing contact is achieved about the sealing ring. There is also provided a method of manufacturing such a duct joiner by moulding the joiner in at least two parts and joining side edges of the two parts together by complementary interengaging formations.

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

Abstract: Connection means for interconnecting two duct ends, the means comprising a tubular connection member for uniting the duct ends, the tubular member comprising at least one pair of half-bodies which is arranged so as to be closed on at least one duct end and which is associated with means for gripping said duct end when the pair of half-bodies is closed on said duct end, the gripping means comprising at least one outwardly-directed projection formed by plastic deformation of the duct end in a position set back from an end face of said duct end, and two inner shoulders of at least one of the half-bodies, which shoulders are spaced apart axially so as to receive therebetween the outwardly-directed projection.

Abstract: A coupling for coupling a pair of axially aligned adjacent pipes. The coupling including a substantially cylindrical sleeve having an inner surface including a recess therein where the cylindrical sleeve has a first end area and a second end area. The second end area includes a tab extending therefrom that is selectively alignable and insertable within the recess. A liner may be positioned along the inner surface of the sleeve.

Abstract: An end-sided closure of a pipe having the following features: a flanged-socket metallic member one end of which is welded to the pipe to be closed and the other end of which is designed for being orbitally welded to a pipe joining it and the outer surface of which has formed thereon an annular flange which has axially parallel threaded bores at circumferential spacings, a cap-shaped closing member adapted to be placed onto the other end of the flanged-socket member with a ceiling portion and an annular wall portion wherein the inner surface of the ceiling portion is adapted to sealingly bear against the front-end face of the other pipe end and wherein the wall portion has axially parallel through bores which can be aligned with the threaded bores, and headed screws which are adapted to be inserted through the through bores from the ceiling portion and can be turned into the threaded bores wherein the heads of the screws bear against an abutment surface of the sealing portion in order to press the inner sur

Abstract: A clamp for sealing a lap joint is disclosed. The clamp includes a band having a main body and bolts mounting flanges located at opposite ends of the main body. A sealing bar is mounted between the bolt mounting flanges of the band. The sealing bar includes a pre-formed step for assisting in sealing the lap joint.

Abstract: A universal pipe connector for forming a connection with at least one pipe end includes a connector body having an opening for receiving the pipe end. A clamping ring, extending around, and mechanically engaging, the opening, features a tightening mechanism for tightening it between a first maximum diameter and a second minimum diameter which differ by at least a length d. An annular sealing element is deployed around an inner surface of the clamping ring for sealing around the pipe end. The sealing element is formed with a primary inner surface and at least one roughly cylindrical coaxial layer of thickness ½ d. The layer is connected to the primary inner surface by a readily severable connection such that, by selectively removing the layer and tightening the tightening mechanism, the pipe connector forms a sealing connection with pipes having diameters varying over a continuous range of at least 2 d.

Abstract: A segmented pipe coupling includes traction bolts that permit movement of shanks of the traction bolts into an attitude in which the head and nut of the traction bolts engage their respective bolting faces in continuous engagement, thus to eliminate a drop in tensile stress in a shank of the traction bolt due to shifting of the head of the bolt or the nut subsequent to initial torquing down of the nut.

Abstract: A duct joiner for air ducting is provided which has at least one tubular neck portion (2, 3) with resilient projections (14) extending out of a first annular groove (6), a sealing zing (15) mounted in a second annular groove (7) and further resilient projections (16) extending out of a third annular groove (8). A ramp surface (12) between the first and second grooves (6 and 7) assists in fitting an end portion of an air duct over the neck portion (2, 3) which rides over the resilient projections (14), then moves along the ramp surface (12) and over the sealing ring (15) and then over the resilient projections (16) extending from the third groove. The projections (14, 16) then engage with the internal surface of the duct to retain the duct on the neck portion (2, 3) and a good sealing contact is achieved about the sealing ring.

Abstract: A quick connect system and method for fluid devices according to which one end portion of a first tubular member is inserted in an end portion of a second tubular in a telescoping relationship. An arcuate clamp extends over the telescoping portions of the tubular members, and a tapered locking surface is formed on at least one of the tubular members and on the clamp. The tubular members move relative to each other in an axial direction in response to fluid pressure therein to move the tapered locking surfaces into engagement to lock the clamp against radial movement relative to the tubular members. A pipe assembly including a first connection system for connecting one end of a first pipe to one end of a second pipe while permitting relative rotation between the pipes, and a second connection system for connecting the other end of the first pipe to a third pipe so that rotation of the first pipe relative to the second pipe causes angular movement of the third pipe.

Abstract: A method for installing branches in a protective ducting system in which guide tubes and cables have already been laid, wherein at a desired branch location in the protective duct, a splittable Y-branch connector with an inlet opening, an outlet opening and at least one branch opening is installed by cutting a short section from the duct at the desired branch point and exposing the guide tubes and cables, opening the splittable branch connector and arranging it around the exposed guide tubes and cables, and closing and securing the Y-branch connector with splittable coupling collars in such a manner that the inlet opening and the outlet opening engage in sealing manner over the respective cut ends of the existing duct, and the branch opening of the connector is secured by engagement of a branch stub around a branch duct through which a branch guide tube is laid.

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 clamshell coupling for a conduit system is provided. The clamshell coupling may comprise at least one longitudinal housing having first and second ends adapted to receive sections of conduit. A restraint system may be disposed on an interior surface of the longitudinal housing. The restraint system operates to actively engage at least one conduit and resist a longitudinal load between the clamshell coupling and the conduit. A coupling system may be used to secure the longitudinal housings to the tubular members.

Abstract: A clamshell coupling for a conduit system is provided. The clamshell coupling may comprise at least one longitudinal housing having first and second ends adapted to receive sections of conduit. A restraint system may be disposed on an interior surface of the longitudinal housing. The restraint system operates to actively engage at least one conduit and resist a longitudinal load between the clamshell coupling and the conduit. A coupling system may be used to secure the longitudinal housings to the tubular members.

Abstract: A quick connect system and method for fluid devices according to which one end portion of a first tubular member is inserted in an end portion of a second tubular in a telescoping relationship. An arcuate clamp extends over the telescoping portions of the tubular members, and a tapered locking surface is formed on at least one of the tubular members and on the clamp. The tubular members move relative to each other in an axial direction in response to fluid pressure therein to move the tapered locking surfaces into engagement to lock the clamp against radial movement relative to the tubular members. A pipe assembly including a first connection system for connecting one end of a first pipe to one end of a second pipe while permitting relative rotation between the pipes, and a second connection system for connecting the other end of the first pipe to a third pipe so that rotation of the first pipe relative to the second pipe causes angular movement of the third pipe.

Abstract: A pipe joint connecting a pipe using an anaerobic adhesive, which possesses a double pipe structure formed with an inner pipe fitting into the inner circumference side of the end of the pipe, and an outer pipe fitting into the outer circumference side of the end of the pipe, integrated with a gap between them, and a tapered surface formed with at least one or the other of the inner piper or outer pipe approaching the other; and a pleated O-ring provided on the end of the outer pipe to set the pipe in place by tightening an O-ring locking material supported by the outer pipe.

Abstract: A connector for joining two tubular members together includes inner and out concentric rings that are joined together in a manner that permits the outer ring to turn relative to the inner ring. The inner side of the inner ring has two seats to engage the ends of the tubular members that are to be joined together. The outer side of the inner ring and the inner side of the outer ring have camming members that when engaged cause the outer ring to exert compressive forces on the inner ring that in turn causes the inner ring to firmly grip the tubular members. The inner ring preferably has a gasket-like material in each of the seats that firmly engages the ends of the tubular members. When the camming members are disengaged, the ends of the tubular members may be inserted into or removed from the connector so as to separate the parts from one another.