Abstract: An adjustable fracturing system is provided. The system includes an adjustment joint configured to be varied in length to facilitate coupling of a fracturing manifold to a fracturing tree. In one embodiment, the system may also include the fracturing manifold and the fracturing tree. Additional systems, devices, and methods are also disclosed.

Abstract: A system for coupling to equipment at a well includes a connector and/or an outer sleeve sub engageable with the connector, each including an internal bore. An isolation sleeve includes a seal and is positioned at least partially within the internal bore, in which the seal is axially movable with respect to the internal bore so as to be positionable to seal against the equipment.

Abstract: A coupling (10) is provided to create a connection between two tubes (12) and includes a first coupling body (14) having an externally threaded end (26), and a second coupling body (16) has an internally threaded end (32) operably engaged with the externally threaded end (28). A first deformable ring (18) is located in the first coupling body (14). A second deformable ring (20) is located in the second coupling body (16). A sleeve (22) is located in the first and second coupling bodies (14,16) extending between the first and second deformable rings (18,20). The coupling (10) has a free condition wherein tubes (12) can be inserted into the coupling (10), and a connecting condition wherein the first and second deformable rings (18,20) are engaged with the sleeve (22) and the first and second coupling bodies (14,16) to be deformed into engagement with any tubes (12) that have been inserted into the coupling (10).

Abstract: An adjustable fracturing system is provided. In one embodiment, the system includes a fracturing manifold coupled to a fracturing tree having a fracturing head. The fracturing head includes an adjustable body that enables variation of a dimension of the body and facilitates connection of the fracturing manifold to the fracturing tree. Additional systems, devices, and methods are also disclosed.

Abstract: A fracturing system including a fracturing manifold. In one embodiment, the system includes a fracturing manifold coupled to a plurality of fracturing trees via a plurality of fluid conduits. Further, multiple fracturing trees of the plurality of fracturing trees can each be coupled to the fracturing manifold by only a single fluid conduit of the plurality of fluid conduits to allow each of the multiple fracturing trees to receive fracturing fluid from the fracturing manifold via its respective single fluid conduit. Additional systems, devices, and methods are also disclosed.

Abstract: A seal sub system for the connection of fluid lines, including first and second fluid lines, each including a terminal end with an inner diameter. A seal sub includes an inner channel and first and second pin ends, one pin end removably insertable in the fluid line terminal end with the other pin end extending from the fluid line terminal end. A seal forms a seal between the seal sub and the inner diameter of the first fluid line terminal end. The extending pin end is configured to be inserted into the terminal end of the second fluid line to establish a sealed fluid connection between the first and second fluid lines.

Abstract: An adjustable fracturing system (10) is provided. The system includes an adjustment joint (60, 62, 64, 130, 170, 224) configured to be varied in length to facilitate coupling of a fracturing manifold (22) to a fracturing tree (20). In one embodiment, the system may also include the fracturing manifold and the fracturing tree. Additional systems, devices, and methods are also disclosed.

Abstract: An assembly includes a first polymeric connector having a first passageway and a second passageway fixed relative to the first passageway; a first polymeric conduit having a third passageway in fluid communication with the first passageway; and a polymeric member extending over a gap between the first connector and the first conduit and at least portions of outer surfaces of the first connector and the first conduit. The first passageway is in fluid communication with the third passageway.

Abstract: A fracturing system can include a fracturing manifold coupled to a plurality of fracturing trees. The fracturing manifold may include adjustment joints that enable adjustment of the length of the fracturing manifold. The fracturing manifold can also include pivot joints that allow angular displacement of portions of the fracturing manifold with respect to other portions. The adjustment and pivot joints can accommodate spacing and elevation differences between the fracturing trees.

Abstract: An adjustable fracturing system is provided. In one embodiment, the system includes a fracturing manifold and a fracturing tree. A fluid conduit is coupled between the fracturing manifold and the fracturing tree to enable receipt of fracturing fluid by the fracturing tree from the fracturing manifold. Further, the fluid conduit is an adjustable fluid conduit that allows an operator to vary a dimension of the fluid conduit to facilitate coupling of the fluid conduit between the fracturing manifold and the fracturing tree. Additional systems, devices, and methods are also disclosed.

Abstract: The present invention is embodied in a sprinkler head adaptor assembly including a sprinkler head adaptor having a generally cylindrical shape and a female threaded interior wall in a central aperture for receiving a male threaded sprinkler head. The sprinkler head adaptor includes an exterior surface that includes an exposed portion. The assembly includes a pipe extension formed from an injection moldable material with a length suitable for spanning a distance from a pipe system to sprinkler location that is formed integrally with the sprinkler head adaptor, wherein the exposed portion of sprinkler head adaptor is sized and shaped for engagement with a wrench. A metal ring maybe formed in the central aperture.

Abstract: A method of making retractable pipe, characterized in that it comprises the following steps: (1) preparing a pipe body which comprises an outer pipe and an inner pipe; providing a handle seat and a handle button on the outer pipe; providing a handle actuation means inside the handle seat; providing a push rod assembly, a locking block, a sliding block and a reset spring at the handle actuation means; (2) providing a guiding groove and locking troughs on the inner pipe, and arranging locking troughs on the inner pipe; (3) providing a fixing sleeve inside the handle seat; providing raised guiding rails on the fixing sleeve; the raised guiding rails are slidably inserted in the guiding groove; the sliding block forces a locking tongue to fit into the locking trough to lock the retractable pipe. A retractable pipe made by the above method is also disclosed.

Abstract: A retractable pipe assembly of an air blow gun includes an extension pipe, a lock unit and a blow pipe. The extension pipe has a stepped through hole which has a large diameter part and a small diameter part for insertion of the blow pipe. One end of extension pipe has an inner inclined surface which is inclined inward. The lock unit includes a lock member. The lock member is connected to the extension pipe. An elastic collet and a seal member are provided in the lock member. Because the inner inclined surface of the extension pipe guides the seal member and the elastic collet pushes the seal member, the seal member is deformed to tighten the blow pipe and to seal the extension pipe. The elastic collet can clamp the blow pipe and won't damage the blow pipe.

Abstract: The present invention relates to an apparatus which forms a sealed joint between two pipes, particularly but not limited to roofing drain pipes. This apparatus includes a cylindrical body made of rubber or similar material that grips and seals two pipes when it is axially compressed by two halves of an articulated housing as they move towards each other. The two half bodies of the articulated housing are threaded to each other such that when one body is rotated in one direction, the bodies move towards each other, thereby reducing the overall length of the housing, and compressing/deforming the rubber seal.

Abstract: A method of using an automotive engine cooling pipe apparatus for fluid-conducting installation within an engine block of an engine comprising a front tube having a proximal portion configured for at least partially slidably and sealably engaging a front sealing ring seated within a front opening of the engine block, and a rear tube telescopically engaged with the front tube and having a distal portion configured for at least partially slidably seating within a rear opening of the engine block, whereby expansion of the cooling pipe apparatus within the engine block seats the proximal and distal portions of the front and rear tubes within the respective front and rear openings of the engine block and so provides sliding and rotational resistance thereby stabilizing the installation of the cooling pipe apparatus within the engine block.

Abstract: A one-touch pipe connection device includes a body member for receiving a pipe, a fluid-tight member positioned in each of left and right side of the inner peripheral surface of the first body member with reference to the longitudinal center of the inner peripheral surface to ensure fluid-tightness, a support member for linearly compressing the fluid-tight member, a fastening member being screwed to the body member; a compression member inserted into the fastening member, and moved outwardly by a compression spring, and a plurality of tight contact elements provided on the compression member tightly clamped on the outer peripheral surface of the pipe when the compression member is moved.

Abstract: A repair coupling for joining a first pipe with a second pipe includes (a) a hollow body having a first open end, a second open end, and a passageway the interior surface of the body defining a peripheral, helical body edge terminating in a body edge locking lug, and (b) a hollow tubular insert slidably disposed within the body, the tubular insert having a first open end and a second open end, the tubular insert defining a passageway he exterior surface of the tubular insert defining a peripheral, helical insert edge terminating in an insert edge locking lug. The tubular insert is slidable between (i) a first insert position wherein the helical insert edge is in contract with the helical body edge and (ii) a second insert position wherein the helical insert edge is spaced apart from the helical body edge.

Abstract: An automotive engine cooling pipe apparatus for fluid-conducting installation with an engine block of an engine comprising a front tube having a proximal portion configured for at least partially slidably and sealably engaging a front sealing ring seated within a front opening of the engine block, a rear tube telescopically engaged with the front tube and having a distal portion configured for at least partially slidably seating within a rear opening of the engine block, and a means for securing the relative positions of the telescoping front and rear tubes in a substantially expanded configuration of the apparatus, whereby expansion of the cooling pipe apparatus within the engine block seats the proximal and distal portions of the front and rear tubes within the respective front and rear openings of the engine block and so provides axial tension thereby stabilizing the installation of the cooling pipe apparatus within the engine block.

Abstract: A pipe coupling device is provided. The pipe coupling device includes a body part, fastening parts, and pressurizing parts. The body part has a multi-stepped insertion hole penetrating the central portion thereof, a stepped latching portion formed on the inner circumference of the insertion hole to limit the insertion depths of pipes, externally threaded portions formed on the outer circumference of both ends thereof, and first projections continuously formed on the upper surfaces of the externally threaded portions.

Abstract: An automotive engine cooling pipe apparatus for fluid-conducting installation with an engine block of an engine comprising a front tube having a proximal portion configured for at least partially slidably and sealably engaging a front sealing ring seated within a front opening of the engine block, a rear tube telescopically received within the front tube and having a distal portion configured for at least partially slidably seating within a rear opening of the engine block, and a means for securing the relative positions of the telescoping front and rear tubes in a substantially expanded configuration of the apparatus, whereby expansion of the cooling pipe apparatus within the engine block seats the proximal and distal portions of the front and rear tubes within the respective front and rear openings of the engine block and so provides axial tension thereby stabilizing the installation of the cooling pipe apparatus within the engine block.

Abstract: The present invention relates to a pressure-applying telescopic spacer, which is formed by two attached tubes (1 and 2) telescopically coupled to one another, with sheet metal rings (4) pushed by a spring (5) for establishing a wedging and driving of said sheet metal rings (4) on the inner tube (2) and blocking the axial movement of the latter with respect to the outer tube (1), this assembly of sheet metal rings (4) and push spring (5) being located in a head (6) belonging to a sleeve (7) with anchoring means (8) for the fixing thereof on the outer tube (1), said body determined by the sleeve (7) and the head or expansion (6) forming a handle for manually handling the spacer. Support plates (9) connected with movable means for adjusting the spacing length of the spacer itself to the desired measurement are included at the ends.

Abstract: An adjustable length joint for high-pressure applications is described that includes rigid inner and outer tubes; both having passages there through. The rigid outer tube has at least one peripheral ring groove within its inner wall. The tubes have threads, which are adapted to adjustably engage with one another securely at a working pressure of at least about 10,000 psi. The rigid inner tube and the rigid outer tube are rotatable to enable adjustable engagement between the threads. The joint also includes an O-ring seated in each of the at least one peripheral ring grooves. When the rigid inner tube and the rigid outer tube are held in a selectable position, the first thread and the second thread overlap a sufficient distance necessary for the first thread and the second thread to withstand the forces exerted by the internal pressure within the joint at the working pressure.

Abstract: A coupling apparatus includes a pair of cylindrical coupling main bodies which are concentrically and oppositely arranged to each other and which have the same structure as to each other, liners which are accommodated in the coupling main bodies respectively, and a release preventing structure which can selectively resist a rotational force applied to the coupling main bodies coupled with each other, so that a coupling of the coupling main bodies is maintained.

Abstract: A device for connecting flexible hoses comprises a connecting member (2) having a tubular element (4) that can be inserted into a flexible hose (T). The tubular element (4) and a radially external threaded cylindrical member (5) together delimit an annular seat (7) designed to accommodate an end (T1) of the flexible hose (T). A threaded ring (10) can be screwed onto the cylindrical member (5) and accommodates a split bush (15) having a working surface (16) engaged with a working surface (14) of the ring (10). By turning the threaded ring (10), the split bush (15) can be moved between a position where it is axially spaced from the threaded cylindrical member (5) and a position where it is axially close to the threaded cylindrical member (5) and where an interposed seal (18) between the cylindrical member (5) and the bush (15) adopts a radially inwardly deformed condition such as to tighten it around the flexible hose (T).

Abstract: An adjustable plumbing fitting is adapted to adjust a length of connection between supply and inlet pipes, and includes a sleeve member, a collar member, and a sealing member. The sleeve member includes an annular section sleeved on and threadedly engaged with the inlet pipe, and a protrusion extending radially from an outer surface of the annular section and abutting against the supply pipe. The collar member includes a tube section sleeved on and threadedly engaged with the supply pipe, and a shoulder formed radially from an inner surface of the tube section and abutting against the protrusion to thereby interpose the protrusion between the shoulder and the supply pipe. The sealing member establishes a watertight seal between the inlet and supply pipes. The sleeve member is selectively displaced on the inlet pipe to vary a depth of insertion of the inlet pipe in the supply pipe.

Abstract: A slide coupling fitting for connecting a tubular conduit and the method of use are provided. The fitting includes a tubular body, two opposing open ends, and an external threaded section on an exterior of the tubular body adjacent to each open end; and two tubular sliding couplers, each having an internal diameter slightly larger than an external diameter of the tubular body, and each being connected to one of the open ends of the tubular body, respectively, and coaxial with the tubular body. Each tubular sliding coupler has an internal threaded section adjacent to an inner end which is closer to a longitudinal center of the tubular body, and a smooth interior at an opposing outer end for slidably engaging a tubular conduit. The internal threaded section is complementary to the external threaded section of the tubular body for mutual engagement.

Abstract: A joint construction for cable piping provided with an inner cylinder of thin wall pipe and an outer cylinder fitted on the inner cylinder so as to freely slide to connect a first pipe for cable to a second pipe for cable so as to freely expand and contract in length. A holding ring of a first seal member, tightly fit to a peripheral face of an end portion of the first pipe, a first stop ring of plate, hitching to the peripheral face of the end portion of the first pipe, and an opening end forming member, are unitedly fit by plastic working of an end of the inner cylinder. A holding groove of a second seal member, fit to a peripheral face of an end portion of the second pipe, is formed by plastic work of another end of the inner cylinder. A second stop ring, hitching on the peripheral face of the end portion of the second pipe, and an opening end forming member are unitedly fit by plastic work on an outer end side of the outer cylinder.

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: An adjustable pipe connector for joining ends of lined pipe where corrosive or erosive gases, fluids or slurries may flow to provide a continuous corrosion barrier between the ends of adjacent pipe liners. The connector provides a telescoping arrangement of sleeves that may be adjusted in length to meet the needs of the pipes being welded. The connector also provides heat shielded weld points for welding to the pipe ends to ensure that the integrity of the pipe coatings is maintained.

Abstract: A pipe section (112) that is operable to be installed in tubing (120A and 120B) of a jetted bath to render the tubing adaptable to accept a close fit device (130). The pipe section includes a removable hollow center segment (116) disposed between end fittings (118A and 118B) and grooves (117A and 117B). The grooves (117A and 117B) on the pipe section (112) define the hollow center segment (116) guide post-installation cutting of the pipe section at predetermined locations. The hollow center segment (116) may be selectively removed leaving the end fittings (118A and 118B) coupled to the tubing (120A and 120B). Once the center segment is removed, the close fit device may be installed between the end fittings (118A and 118B). In another aspect of the present invention, the center segment (416) is removed by unfastening the center segment from the end fittings (418A and 418B).

Abstract: A tube assembly for communicating water under pressure from a water supply valve and a water fixture inlet tube assembled at a job site, having an elongate corrugated tube with alternating grooves and ridges and cut to length to extend between a water fixture inlet tube and a water supply valve. The tube receives a pair of nuts in opposing relation, and each nut has an interior thread sized for engaging a respective one of a water fixture inlet tube and a water supply valve. A pair of C-clips, each received in a respective one of the grooves in opposing distal end portions of the tube, define bearing surfaces for the nuts. The distal ends of the tube receive a gasket, which are adapted for sealing between the respective distal end of the tube and the water fixture inlet tube and the water supply valve.

Abstract: Disclosed is a small space-saving two-part coupling system for attaching threaded pipes which is particularly suited for use in replacing broken valves, pipes or parts in existing plumbing systems where little space is available. The invention includes a pair of nuts with male extensions located thereon, each nut having a helically threaded axial bore therethrough, and exterior helical threads on the male extension. The bore of the first nut has R.H. threads, and the male extension of the first nut has L.H. threads. The bore of the second nut has L.H. threads, and the male extension of the second nut has R.H. threads. The nuts are designed to be coupled to each other using the L.H. threads, and coupled to an existing pipe system using the R.H. threads.

Abstract: An apparatus for use in subsea well completion systems is provided. The apparatus has an isolation sleeve and an extension sleeve. The isolation sleeve has a first end, a second end and a longitudinal axis defined between the first end and the second end. The isolation sleeve has a generally tubular shape. The extension sleeve has a first end attached to the second end of the isolation sleeve to form an assembly comprising the isolation sleeve and the extension sleeve, a second end, and a longitudinal axis that is coaxially aligned with the longitudinal axis of the isolation sleeve. Like the isolation sleeve, the extension sleeve has a generally tubular shape.

Abstract: The height adjustable standpipe includes multiple, cylindrical, coaxial drain sections of gradually diminishing cross section. The sections preferably alternate between brass and PVC plastic, and have grooves adjacent the ends of the PVC sections for retaining O-rings that serve as gaskets between the two adjacent sections. Thus, for example, a PVC section would preferably have one or two peripheral grooves on the outer surface near the end that passes inside of the next adjacent brass section, and the same PVC section would have one or two peripheral grooves on the inner surface near the opposite end, through which passes another brass section. Each of these peripheral grooves includes a rubber O-ring seated therein and projecting therefrom to form a water-tight seal with the adjacent surface of the brass section engaged by that end of the PVC section. A travel stop mechanism is employed to limit the travel of the sections of the adjustable standpipe with respect to one another.

Abstract: A connector for providing a fluid tight connection to a fluid port having internal threads. The connector includes an exterior sleeve having a split collet retractably mounted therein. The split collet defines an axial bore and includes a distal end portion extending axially outward from an end of the sleeve and adapted for lockingly engaging the threads of the fluid port. A sealing structure is mounted on the distal portion of the collet for providing a fluid tight seal with an end portion of the fluid port. The connector further includes an expansion pin mounted within the axial bore of the split collet adjacent to the distal end portion of the split collet. The expansion pin cooperates with the split collet to move the split collet radially inward and outward. A cross member connects the expansion pin to the exterior sleeve for preventing relative axial movement between the exterior sleeve and the expansion pin.

Abstract: A method of routing rigid electrical conduit pipe between spaced apart enclosures includes measuring the distance between the enclosures and cutting a length of conduit pipe to the measured distance, less a bulkhead hub allowance. Bulkhead hubs are threaded onto each end of the cut length of conduit pipe, to make a conduit assembly. O-rings are contained at the end faces of each bulkhead hub. The conduit assembly is positioned between the enclosures having aligned openings. Inner hubs also having o-rings within a recess are threaded into the bulkhead hubs from the inside of each enclosure, forming a sealed electrical conduit pipe connection between the enclosures.

Abstract: A handwheel expansion mechanism including a meter adapter, a handwheel body and an expansion cup. The expansion cup is slidingly engaged with the meter adapter, and the handwheel body is rotationally coupled to the meter adapter. Rotation of the handwheel body cause the handwheel body to create a space between the base of the meter adapter and the handwheel body. At the same time, metal-on-metal contact between the handwheel body and the expansion cup causes the expansion cup to pushed along the meter adapter.

Abstract: An electrical box connector conduit is fixedly mounted between adjacent electrical boxes through aligned box bores. The conduit structure includes a central conduit member having first and second abutment flanges mounted fixedly to the first and second ends of the conduit member. The conduit member is internally threaded to threadedly receive first and second externally threaded tubes. The first and second tubes include first and second tube flanges, with respective side walls of the respective boxes captured between a respective tube flange and abutment flange to direct electrical cable through the conduit structure between the electrical boxes.

Abstract: A telescopic pipe arrangement for use in situations where neither end can be rotated to change the length. An inner nut on an inner pipe bears against an end of an outer pipe and an outer nut either locks against the inner nut to enable inward or outward movement or locks against the outer pipe to lock the arrangement.

Abstract: A removable three-piece paddle shaft assembly (30) for use in a mixing machine such as a mortar mixer (11) is disclosed. Three-piece paddle shaft assembly (30) includes paddle shaft drive spindle (31), main paddle shaft (32), and a paddle shaft supporting spindle (33). Main paddle shaft (32) is coaxially coupled at its ends to paddle shaft drive spindle (32) and the paddle shaft supporting spindle (33) using a pair of removable coaxial couplers (35). Removable coaxial couplers (35), here each consist of a spline type connection and a cooperating coupling nut (38). Coupling nuts (38) are provided with radially extending hammer protuberances to facilitate rotation of the coupling nuts using only a hammer. Complete removal and reinstallation of main paddle shaft (32) can be accomplished without disassembly of cylindrical mixing drum (12) or double-action bearings (15) and (16).

Abstract: An expansion mechanism for use in a meter box or a meter yoke. The mechanism composed of two principal elements includes a body having an at least partially threaded axial body opening passing therethrough and a bushing having a nut with a threaded female portion into which the meter threads and a threaded male portion adapted to thread into the threaded body opening. A cup having a cup opening passing therethrough is secured to an annular rim on the interior of the body and is provided with a tubular surface axially aligned with the bushing and body. The cup is provided with a sleeve having an O-ring sealer that continuously provides a seal between the tubular surface and the bushing so that the seal is maintained in any relative axial position between the body and the bushing.

Abstract: A universal expansion connection (32) couples a water meter (10) to an outlet pipe (30). The expansion connection (32) comprises a threaded expansion tube (36), a threaded packer (38) and a lock case (40). The threaded packer (38) is threaded onto the expansion tube (36), which has been installed on an outlet (34) on the meter (10). The lock case (40) is then positioned over and onto the packer (38) such that a driver dog (63) on the packer (38) matches a driver dog recess (64) in the case (40). By holding the expansion tube (36) from turning, the lock case (40) is turned to unscrew the threaded packer (38) from the tube (36). The unscrewing action forces the packer (38) into the internal surface (68) of the lock case (40), as well as forcing the threads (58) into the threads (54) on the tube (36 ). When the lock case (40) has been sufficiently unscrewed, a fluid-tight seal is formed between the meter (10) and the outlet pipe (30).

Abstract: A threaded packer (40) is inserted into a first enlarged end (52) of an expansion tube (31). Driver dogs (50) on the threaded packer (40) mesh with dog recesses (54) on the expansion tube (31). The threaded packer (40) and the expansion connection (31) are then threaded onto an outlet pipe (30) on a water meter (10) to interconnect the meter (10) to an inlet (26) and outlet pipe (28). By securely holding the meter (10) the expansion tube (31) may be turned away from the tube (31) with a wrench (70), which forces the packer (40) into the tube (31). By forcing the packer (40) into the tube (31), the tube (31) is pushed into the inlet and outlet butt compression joints creating fluid tight joints. A case (37) is then installed over the expansion connection (32) and is secured in place with a locking pin (68 ) and a locking bar (67).

Abstract: An expansion mechanism for a meter box or a meter yoke. The mechanism includes a body having an at least partially threaded axial body opening passing therethrough. The body has four spaced spokes extending generally radially out therefrom in the form of a cross. The body has first and second diametrically opposed positioning prongs and a third positioning prong disposed generally midway between them. The three prongs each have inwardly-disposed lips at their outer ends. A bushing having a nut with a threaded female portion into which the meter threads and having a threaded male portion adapted to thread into the threaded body opening is provided. The bushing includes a sleeve adapted to pass through and partially out of the body opening when the threaded male portion is threaded into the threaded body opening. A cup having a cup opening passing therethrough and an outwardly flaring annular cup lip at one end thereof is also provided.

Abstract: An apparatus is provided for blocking off process lines between various pieces of processing equipment, for example, storage tanks, wherein a block housing is provided having pipes on opposite faces thereof connected to the processing vessels. Means are provided for blocking the flow using an axial expansion means for insertion into seats provided on opposite faces of the block housing. During periods of time of normal operation, i.e., when blocking of the process lines is not desired, a flow-thru pipe assembly having male and female ends thereto and locking means provided thereto is provided for insertion into the block housing and for mating and joining the opposite pipes on the opposite faces of the block housing.

Abstract: A connector device for an underwater pipe system which comprises one or m conduits, for connecting pipe sections together or to valves, well heads or similar, whereby such a pipe section comprises an end flange (2) which can be introduced into grooves extending in the transverse direction of a housing (1) by mutual movement of the pipe section and the housing transversely of their longitudinal direction, said housing containing an axially shiftable sleeve unit (7) having a through going duct for each conduit, and said device comprising means for biasing the end flange against surfaces in the grooves. In order to achieve sealing the sleeve unit or units (7) are equipped with at least one main sealing ring (13,19) for each duct, adapted to be pressed against a seat (15) on an end flange, and the sleeve unit or units are locked against rotation and have external threads which cooperate with internal threads in a socket (6) which partly surrounds the sleeve unit or units (7).

Abstract: The device for coupling two pipes comprises a variable length assembly formed from two tubular parts, whereof the internal diameter corresponds to the internal diameter of the pipes. The tight coupling of this assembly to the ends of the pipes is brought about by compressing O-rings between a planar surface and a spherical surface by means of two nuts. The two tubular parts are then tightly joined by actuating a nut compressing a third O-ring.

Abstract: A remotely-operable connector comprising a pair of female end fittings, each adapted to be permanently fixed one to each of a pair of pipes to be coupled together, and a jumper assembly having a jumper pipe terminating at opposite ends in male end fittings which are received one in each of the female end fittings. Each mating pair of male and female fittings is received in a pivot housing which is mounted for universal articulation on the female fitting for enabling the housing to be angularly aligned with the end of the male fitting which is received in the female fitting.

Abstract: A fluid flow system comprises a plurality of operational elements which are interconnected by rigid conduits. The present invention provides a rigid interconnecting conduit which includes a statically adjustable assembly comprising two telescopically associated members having a combined length which is variable to accommodate objects spaced at different distances and orientations. The assembly also includes a member for clamping the relatively movable elements to provide a rigid linkage once the interconnection of the objects is made.

Abstract: This invention relates to a coupling member for use in the liquid-tight and gas-tight connection of vessels, of different sizes to a two-way extraction system. The coupling part comprises two parts, a cylindrical adaptor part and a part comprised of a union nut. The cylindrical adaptor part has, on its side facing the extraction system, a diameter compatible with the extraction system, and the side facing the vessel mouth, a diameter compatible with the vessel mouth. Sealing elements are provided for use with the vessel mouth for sealing thereof with the coupling member. The union nut has an inner thread adapted to couple to the vessel mouth and an outer thread adapted to couple to the extraction system.