Abstract: A collet assembly for a hose crimping tool is disclosed in which rigid metal jaw elements are encircled by and locked within a separately molded elastomeric cage. The cage positions the elements in the free state and allows them to be radially compressed for the crimping operation. Interlocking surfaces are provided to retain the jaws within the cage without need of adhesives, or the like.

Abstract: A tool for forming a pipe joint of the type wherein a ring with a frusto-conical inner surface is forced over the belled one of two telescopically assembled pipes includes a jaw assembly having two pairs of jaws which are axially movable toward each other, one pair to engage the bell shoulder and the other to engage and push the ring. A pressure clamp has two forks shaped to engage the ends of the jaw assembly and a piston and cylinder assembly to linearly move one fork toward the other, thereby moving the jaws and forming the joint. The size of the jaw assembly can be selected according to pipe diameter.

Abstract: Apparatus for use in expanding tubes into holes in tubeplates including walls of drums and headers especially in boilers in which an annular body of elastomeric material is compressed axially and expands radially to force the tube into close engagement with the wall of the hole. The elastomeric material is supported at its ends by radially expansible supports each made up of pieces sliding on adjacent pieces, the sliding surfaces being forced together by the applied force, the pieces being located on reduced diameter end portions of the body. The invention enables applied pressures of the order of 70,000 psi (4830 bar) to be used to stress the tubeplate beyond its elastic limit without damage to the body caused by extrusion.

Abstract: A hand tool for radial installation in openings through the wall of a larger rigid tube of flexible tubes having rigid inner liners in a portion of their length adjacent to the end to be so installed. The tool includes a generally cylindrical elongated handle with an axial tube receiving surface groove. The handle joins a flange having a diameter greater than the handle, and the flange is so shaped as to provide for conveying the flexible tube inward in a first bend and then axially outward in accordance with a second bend. The inner liner acts as a stiffener during insertion and as a lock whereby the flexible tube is compressed between the inner liner and the opening in the larger rigid tube.

Abstract: A method of connecting a tube (12) to a flange (120) is disclosed including placing the tube between first and second portions (14,16) of a holding apparatus (10), closing the portions and gripping the tube securely between the portions by operation of a first powered actuator (24), positioning a force-transmitting apparatus (20) including a punch (22) into axial alignment with the tube and flange, and forcing the punch axially into the tube and expanding the tube radially outwardly into interlocking engagement with the flange by operation of a second powered actuator (26) of the force-transmitting apparatus. The portions (14,16) are preferably pivotally closed to securely grip the tube, and the force-transmitting apparatus (20) is preferably an intergrated part of a computer controlled industrial robot (32).

Abstract: An apparatus for manufacturing plastic tubular elements with rubber or metal fittings at one or both ends, includes a conveyor for a plastic tube, a stop for metering a given length of the plastic tube, a cutter for cutting the length and a series of jaws for transferring the cut length to a least one head which automatically effects an axial mounting of a fitting over or within at least one end of tube length, after insertion of a core within the fitting and tube end bores.

Abstract: A crimping device is disclosed having a plurality of dies driven by a camming action toward a central axis so that an article between the dies can be crimped. A hydraulic actuator is provided for causing the camming action for moving the dies. An adjusting member forming a stop is provided for defining an end-of-stroke position of the hydraulic actuator for adjustment of the radial spacing between the dies.

Abstract: A method and apparatus for containing an annular body of fluid about a sleeve spanning the abutting ends of pipe lengths, and firing a charge of propellant, such as fast burning smokeless powder, in the liquid so as to radially shrink the sleeve into sealing engagement with the pipe lengths. If desired, the pipe lengths can be internally supported to avoid the possibility of collapse. Hard annular elements may be interposed between the sleeve and the pipe length ends to produce better mechanical locking.

Abstract: Apparatus for forcing threadless joints of pipe axially into a coupling to effect a string of pipe. The apparatus includes a main frame movable longitudinally along the projected path of a pipeline to be constructed. A pipe gripper is mounted to the main frame for slidable movement longitudinally along the pipeline. The pipe gripper comprises a plurality of pipe engaging dies remotely actuated to grip and release a marginal length of a pipe. A coupling holding fixture is affixed to the main frame in spaced relation respective to the pipe gripper. The fixture includes a movable wall which enables a coupling to be releasably held in fixed relationship respective to the main frame, and remotely released when desired. A coupling is placed within the fixture, a joint of pipe is placed within the pipe gripper which forces the pipe axially into the coupling whereupon the pipe connection is effected to thereby enable a pipeline to be fabricated.

Abstract: A connector for subsea flowlines is disclosed having a metal-to-metal seal affording minimum flexure of the flowline. Each end of the flowline to be connected is provided with a mandrel. One mandrel, designated the flowline mandrel, is provided with a seating surface and an external locking surface. The second mandrel, designated the connector mandrel, is provided with a seating surface adapted for mating relationship with the seating surface of the flowline mandrel with a metal seal disposed therebetween. Additionally, the connector mandrel carries a first sleeve disposed concentrically about it adapted to slide over the end of the connector mandrel into circumferential engagement with the flowline mandrel. A plurality of locking dogs are carried by the first sleeve adapted for engagement with the external locking surface of the flowline mandrel.

Abstract: A crimping machine has a rockable hydraulic cylinder which in a force transmitting position drives a die segment assembly into a tapered cavity to force the assembly to contract radially for crimping the socket of a fitting onto the end of a hose. The die segment assembly is a unitary chain of linked die segments which may be fed into and removed from the die cavity in a serial manner to avoid obstructions. A floating die separator with axial projections engages angular surfaces on the bottom of the die segments to position the segments prior to crimping in a circular array which is equally circumferentially and radially outwardly spaced.

Abstract: A radial press for workpieces with cylindrical outer surfaces has a plurality of pressing jaws arranged in a circle for radial movement towards the axis of the workpiece outer surface. A pressure ring acts on the pressing jaws so that when the pressure ring is axial displaced, the jaws will open and close. Both the pressure ring and the pressing jaws each have two surface parts, having a wide setting angle and two surface parts having a narrow setting angle, wherein the surface parts having a wide setting angle are disposed firstly at the end faces and secondly between the surface parts having the narrow setting angle. In this way, when the pressing jaws are closed, the surface parts having the wide setting angle are deployed first, and then the surface parts having the narrow setting angle are deployed.

Abstract: The method comprises providing an extremely strong and elastic alloy steel ring having a inner diameter substantially smaller than the outer diameter of the pipe to be joined, and an outer diameter much larger than such outer diameter of the pipe. Great axial forces are then employed to insert the pipe ends into the ring until an internal flange is abutted, thus stretching the ring without causing it to exceed its elastic limit. End seals are provided on the flange faces and are pinched off by the pipe ends, so that metal-to-metal contact results. Prior to forcing the pipe ends into the ring, it is mounted in an internal groove in a hinged clasp which aligns the pipe ends.The apparatus comprises the ring, the clasp and the seals, and further comprises the completed joint wherein the ring is under continuous great hoop stress.

Abstract: A method for connecting a plastics pipe to a fitting incorporating an externally grooved insert. The insert, which is a tight fit in the pipe, is forced into the end of the pipe, and a sleeve, previously located on the pipe, is then forced to the end of the pipe so that the pipe end is tightly gripped between the insert and the sleeve. The insert is tubular and is provided with a plurality of circumferential grooves in its outer surface. Each groove has in axial section substantially straight sides and a straight base, the angle between the base and each side being obtuse. Insertion of the insert causes the external diameter of the pipe to increase so as to be greater than the internal diameter of the sleeve.

Abstract: A method and apparatus is provided whereby a joint can be made on site between two flanged pipe ends by winding a ductile metal strip over the flanged ends so that lateral portions of the strip are deformed radially inwardly behind the flanges to entrap them together. The apparatus takes the form of a frame 10 rotatably supporting an annular member 11 which can be brought coaxially to surround the pipe ends. A ductile metal strip is drawn from a reel 17 on the frame and passes in succession between rollers 15 and the flanged pipe ends, the rollers 15 having a progressively more waisted profile so as to bring the strip progressively to a channel shape enclosing the pipe flanges. As the strip is wound spirally over the pipe ends masking 33 is removed from an adhesive ribbon whereby superimposed turns of the strip are bonded together.

Abstract: There is disclosed a machine for crimping a coupling onto the end of a hose over which the coupling is coaxially fitted. The hose and coupling are inserted through an annular crimping head and positioned on a coupling support. Two semicircular arrays of circumferentially spaced-apart crimping dies are respectively carried by two pivotally mounted part-cylindrical die-holding jaws which open to facilitate insertion of the hose and coupling and close to form a circular array of dies surrounding the coupling, each die being radially slidably movable with respect to the associated holding jaw. As a hydraulic drive cylinder draws the crimping head toward the dies, cam means close the die-holding jaws and the crimping head then moves into surrounding camming engagement with the dies for moving them radially inwardly into crimping engagement with the coupling. A safety valve limits the force applied to the crimping head until the die-holding jaws have closed.

Abstract: A releasing tool for use in disconnecting a casing or conductor pipe cemented below the marine floor from a riser pipe supported from a floating vessel in which the riser pipe and conductor are held together by a snap ring. This includes cam carrier connectable to the lower end of a longitudinal member, such as a drill pipe, and a releasing pin block carrying radially supported releasing pins which are urged inwardly. When the cam of the cam carrier is urged downwardly with respect to the releasing pin block it forces the releasing pins outwardly through ports in the latch pin of the casing to release the split rings from its engaging position.

Abstract: This invention relates to a pressing device for a hose coupler in which the end of the hose is interposed between the inner and outer pipes of the hose coupler, and in which said external pipe is compressed by uniformly pressing gainst its outer periphery upper and lower dies and a pair of side dies so that the hose end can be secured between the internal and external pipes of the hose coupler.

Abstract: Manually-operated field apparatus is disclosed for applying a pressed-on coupling to the end of a hose. A frame carries two threadedly-adjustable sets of interleaved clamping plates for clamping a hose end therebetween in a predetermined orientation. The frame defines a pair of tracks on opposite sides of the hose parallel thereto, on which are respectively slidably mounted two runners of a coupling carriage for supporting the coupling between the runners coaxially with the held hose end. A manually-operated ball-type screw and nut assembly mounted on the frame is engageable with the coupling carriage for moving it along the tracks toward the hose end for pressing the coupling onto the held hose end.

Abstract: Machine for pressing hose couplings onto the ends of pressure hoses, radially from the circumference toward the center, comprising a revolving disk in which pressing tools can be detachably fastened, to be used in succession, and a pressing device opposite to which the tools are brought in turn to perform the pressing. Alternatively, a programming or a manual control device can be used with the machine for controlling the pressing operations. The disk may have a locking device and openings for attaching the tools thereto. The pressing device is preferably built with side plates, the tool in use being pressed against one of the plates. The tools preferably consist of two ring-like elements with radial jaws therebetween, possibly with working jaws that have quick-locking devices for fastening.

Abstract: An apparatus for crimping a fitting onto a hose end is described of the type having radially directed crimping dies and an associated camming surface, and a ram piston for moving the dies relative to the camming surface causing the dies to displace radially inwardly to effect crimping. A depth stop locating subassembly includes an inner platform on which the hose fitting is placed, an axially adjustable outer platform comovable with the inner platform, and a locator mounted adjacent the outer platform establishing a locating position preselected relative to the crimping dies, to ensure proper depth of crimping by aligning the locator with a gauge element disposed on the outer platform.

Abstract: A special purpose tool for assembling an elbow joint wherein a rubber gasket is compressed into a collar surrounding a pipe and the collar secured against the elbow member flange so that a clamp may be affixed is disclosed. The device consists of opposed, bifurcated jaws, each jaw having an integral lever and a common adjustable pivot for said levers, said jaws being bifurcated to define arcuate configuration with an upper and a lower gripping flange extending outwardly from, respectively, the upper and lower jaws of said device. The gripping flanges urge the collar and elbow flange together so that a clamp may be affixed therearound.

Abstract: An assembly tool for tube fittings having a fixed jaw and a coaxially movable jaw which receive a pair of fitting components, the movable jaw being moved axially by a hydraulic drive to and from the fixed jaw, the hydraulic drive being disposed in parallel radially offset relation to the axis of the fitting components; both jaws being so supported as to maintain their coaxial relation when subjected to substantial offset force as applied by the hydraulic drive; both jaws being readily removable for interchange with other assembly jaws of different dimensions, as well as interchange with jaws serving a different purpose, such as shearing jaws. The various elements of the assembly tool are so arranged as to minimize the possibility of injury while manipulating the assembly tool.

Abstract: Disclosed are apparatus and methods for securing together pipe sections by cold forging the inside end of one or more pipe sections outwardly into a surrounding collar. In the detailed description of an exemplary application, the invention is disclosed for use in connecting together the ends of subsea pipelines, J-tubes and other underwater conduits.

Abstract: A pipe tool for assembling the spigot end of a first pipe into the hub or bell of the second pipe. A bracket configured to seat on the pipe pivotally carries a semi-circular yoke. An actuating handle is secured to the yoke. A collar member is axially displaced from the yoke and is secured to the yoke by a crank arrangement. The collar and the bracket members are adapted to be placed on adjacent pipe sections with one of the members in abutment with the hub and the other with the annular seal at the spigot end. Rotation of the yoke through the actuating handle exerts an axial force at the collar urging the pipe sections into sealing engagement.

Abstract: A method of forming a joint between a metal structural tubular member and a metal sleeve. The method comprises placing the sleeve around a part of the tubular member so that there is a space between the sleeve and the adjacent part of the tubular member, closing the ends of at least a part of the space between the tubular member and the sleeve, injecting a hardenable composition into the space between the closed ends and maintaining the pressure until set.The method can be used for joining together structural tubular members or for repairing a damaged structural member.

Abstract: A portable hand tool for crimping ferrules on flexible conduits such as are used for electrical wiring, for example. Two members pivotally connected to each other have handle portions for manipulation by the user, and jaw portions. One jaw portion has a fixture pivotally mounted on it, for receiving a ferrule which has been placed on but not yet crimped to the end of a conduit. The other jaw portion has laterally spaced arms which straddle the conduit and, as the jaws move toward each other, exert pressure on the usual nut which serves also as a crimping member, to force the internal crimping flange of the nut axially against the rear end of the ferrule to deform the metal of the ferrule and crimp it firmly onto the conduit.

Abstract: A method of separating a fitting from a tube which is mechanically joined to the fitting includes collapsing the tube between a pair of die members positioned adjacent the fitting and thereafter removing the fitting from the collapsed tube.

Abstract: The following specification discloses a pipe joining and connection process and apparatus for utilization with all forms of plastic pipes and metal and plastic pipe couplings. The joint comprises a plastic or metal adapter fixture which has been swaged in circumferential relationship to the pipe by expansion of the pipe into the fixture through a process and apparatus which serves to expand and hold the two elements together. The apparatus comprises a metal sleeve on the interior of the pipe and an exterior metal retainer overlying the fixture to provide the necessary hoop strength surrounding the joint. The process is effectuated by means of expanding a resilient elastomer within the bore of the pipe against the sleeve that is concomitantly expanded outwardly against the pipe. The plastic of the pipe is simultaneously caused to flow into grooves within the fixture.

Abstract: A misalignment conductor for large pipelines or conductor pipes includes an internal, metal seal ring having an external spherical surface which is axially and circumferentially loaded between opposed internal spherical metal surfaces of connector hubs. Connector body parts engaged with or formed on the pipe connector ends or hubs have spherical surfaces enabling the connector to be made up with the pipe connector hubs disposed over a range of angular misalignment. The sealing ring is preloaded by a loading tool when the connector body parts are secured together to prevent relaxation of the preload on the sealing ring. The metal sealing ring is initially supported on one of the hubs by means enabling angular adjustment of the sealing ring as it is loaded between misaligned hubs.

Abstract: There is disclosed a device for crimping couplings to the ends of hydraulic hoses in which a plurality of die means are located around an axis, camming means is provided and is arranged to cause the die means to move radially inwardly towards the axis when the die means and camming means are moved axially relative to each other, and a hydraulic actuator is provided for causing that relative axial movement. When a coupling is inserted between the die means, operation of the hydraulic actuator causes the die means to move inwardly and thereby compress or crimp the coupling. The hydraulic actuator has an annular hydraulic fluid chamber to which pressure is applied to operate the actuator. Further features are that adjusting means is provided, for pre-setting the outside diameter to which the device will crimp a coupling, the adjusting means being co-axial with the device for increased accuracy, and having a construction which involves no projecting parts, so as to avoid damage.

Abstract: The disclosure generally relates to a method of joining a pipe to another pipe, or to an adjacent pipe in a series of pipes in a pipeline, the joints between which incorporate sealing means, and an apparatus suitable for use in performing the method, which basically involves forming an enclosed space at least bridging the joint to be formed and evacuating the space by a vacuum pump or ejector to produce a pressure within the space lower than atmospheric pressure to allow the greater atmospheric pressure outside the pipes to axially force the pipes together against the resistance of the means forming the sealed joint between the pipes. This function may be achieved by closing the ends of the pipes to be joined remote from the position of the joint and evacuating the space within the pipes and between the end closures.

Abstract: An apparatus for crimping couplings to hose ends having a crimping ring with a tapered camming surface and a plurality of circumferentially-disposed crimping dies having crimping surfaces for crimping the couplings and opposed camming surfaces for cooperation with the crimping ring camming surface, means for moving the crimping ring or dies relative to one another to provide the crimping action with the movable element being moved to the same stop position each time of operation irrespective of the extent of crimp desired, and means for adjusting the relative position between crimping ring and dies at the location where the movable element is at the said stop position so as to provide adjustment for the extent of crimp.

Abstract: A device for circumferentially crimping a tubular cable puller onto a free end of a cable, said crimping device comprising a base adapted for securement to the body of a fluid actuator; a holder for said tubular puller and adapted for securement to the piston rod of said actuator whereby linear movement of the actuator piston relative to the body thereof effects relative movement between the base and the holder; a wire rope secured at each of its ends to said base and extending into and looping within the confines of said holder; said holder having a semi-circular seat to accommodate the outside diameter of said tubular puller and a groove in said seat to receive a portion of the loop of the wire rope; the seat of said holder having a diameter equal to the outside diameter of the tubular puller; said wire rope looping 360.degree. around said tubular puller and circumferentially crimping the same in response to said base being drawn away from said holder by operation of said actuator.

Abstract: A new and improved pipeline coupling apparatus is disclosed. This apparatus incorporates an elongate support member having the form of an I-beam where the flanges of the I-beam serve as a guide for a traveling carriage. The traveling carriage is urged along the I-beam by means of a hydraulic cylinder and piston rod. The traveling carriage centers a pipe. It positions the coupling and forces the pipe into the coupling. The coupling itself is supported for sliding movement by a free moving carriage beneath the I-beam.

Abstract: Apparatus for fastening to adjacent substantially co-axially disposed reinforcing rod ends a sleeve of uniform external cross-section throughout its length and having internal cross-sectional dimensions to enable it to receive and embrace both rod ends, comprising at least two fluid pressure operated jack units each having a cylinder, a piston and a piston rod; latching means for releasably securing the jack cylinders together in parallel spaced relationship to one another around one of the reinforcing rods in a zone not occupied by the sleeve; at least two die segments, which collectively provide an axial bore at least part of which is dimensionally smaller in cross-section than the external cross-sectional dimension of the sleeve, loosely mounted on the free ends of the piston rods so as to be capable of limited rotational movement relative thereto in a longitudinal direction; die segment retaining means at the extremities of the piston rods; ring-shaped locking members for temporarily securing the die segm

Abstract: A tool for joining and separating plastic pipe and their fittings employs a pair of clamps which are secured adjacent the ends of the pipe sections. The clamps in turn are slidable on a frame and operated by a toggle-type linkage which moves the clamps and pipe sections and fittings axially toward or away from each other.

Abstract: A swaging apparatus in which a pusher member pushes a hose coupling sleeve having a hose end portion therewithin downwardly into a die cavity of a closed die defined by mating segmental die members in a retainer to radially deform said sleeve into gripping engagement with said hose characterized in that upward retraction of the pusher member automatically opens the die by effecting upward and lateral separating movement of said die members thus to release the swaged hose-coupling assembly for downward discharge from between the separated die members and through said retainer. The swaging apparatus is further characterized in that before the pusher member commences its downward swaging stroke on the next unswaged hose-coupling assembly inserted upwardly through the retainer and between the separated die members, the latter are released for movement by gravity into mating engagement within said retainer.

Abstract: A press adapted for use in confined areas for swaging a sleeve onto reinforcing bars to splice them together. The press comprises a cylinder having a longitudinal axis with a piston therein and reciprocable along said axis, said cylinder having an end and a pair of spaced arms extending from said end in a direction generally parallel to said cylinder, with the distance generally between the outer surfaces of said arms measured in a direction transverse to said longitudinal axis being less than the outer diameter of the cylinder. A bridging member is detachably secured to and bridges the arms. A first die part is secured to the free end of the piston and a second cooperable die part is secured to the bridging member. The die parts cooperate together to swage the sleeve onto the bars by the movement of the first die. piece toward the second die piece in accordance with the movement of the piston along said longitudinal axis.

Abstract: Improved internal tooling for a swaging apparatus for attaching fittings to tubing. The tooling includes a draw bolt having a head at one end adapted to be connected to actuating means such as a hydraulic cylinder at its opposite end. A straight cylindrical resilient expander sleeve is coaxially disposed on the draw bolt and is bracketed by a pair of split, circular, anti-extrusion rings located in mating seats formed in facing end surfaces of the draw bolt head and a seal bushing. The facing surfaces of the head and bushing are further configured to include a ramp surface extending between the surface of the draw bolt and split ring seats.

Abstract: A hydraulic ram is secured to a frame member which includes a pivotally attached scissor clamp for securing the frame member to the outer circumference of a first pipe section. The shaft of the hydraulic ram is extended and retracted by hydraulic fluid under pressure supplied by a hydraulic pump driven by a battery powered electric motor. The shaft is secured to cables which are coupled to an adjacent pipe section. As the shaft retracts, it draws the adjacent section of pipe into longitudinal abutting contact with the first pipe section.

Abstract: A crimping machine for radially inwardly crimping an end fitting onto a hose by means of a contractible die assembly includes a reciprocable ram. A pusher assembly is mounted on the ram for transmitting ram force to the die assembly. The pusher assembly includes first and second semicircular pusher members, and each pusher member is mounted for axial movement with the ram and for lateral swinging movement relative to the ram about a pivot axis which is parallel to the longitudinal axis. The die assembly includes two disjuncted die sections, one of which is carried on the end of each pusher member by an attachment arm which is deflectable to permit radial movement of the die sections relative to the pusher members. The attachment arm is provided with manually deflectable tabs which secure the die sections in place during crimping and which are deflectable to permit removal and replacement of the die sections.

Abstract: A crimping machine for radially inwardly crimping an end fitting onto a hose by means of a contractible die assembly includes a reciprocable ram. A pusher assembly is mounted on the ram for transmitting ram force to the die assembly. The pusher assembly includes first and second semicircular pusher members, and the pusher members are mounted for axial movement with the ram and for lateral movement relative to the ram. The die assembly includes two disjuncted die sections, one of which is carried on the end of each pusher member by connecting means which permits relative radial movement between the die section and the pusher member. A cam follower on each pusher member follows a cam surface on the machine for moving the pushers laterally outwardly when the die sections are pulled from the socket by the pushers during retraction of the ram.

Abstract: A hand operated swager for attaching a fitting to a hose includes a housing having a turning means rotatably mounted at the top portion thereof and a die for radially contracting the fitting onto the hose is removably mounted at the lower portion of the housing. The turning means is fixed against axial movement on the housing, is manually rotatable by the use of a wrench, and includes a ball nut threadably engaged with a pusher assembly that is axially but not rotatably movable relative to the housing whereby rotation of the turning means causes the pusher assembly to move axially into engagement with the fitting but imparts no rotary force to the pusher assembly that might be transmitted to the fitting. The swager also includes spring retainers for removably retaining the die in the housing.

Abstract: A tapping apparatus and method is provided whereby a sleeve having at least one annular groove around the circumference thereof and an outwardly extending flange at one end thereof is, during the cutting of an opening in the wall of a conduit, carried by the cutter to a position at which the at least one angular groove is located within the cut opening and is engaged by the conduit material surrounding the opening to maintain the sleeve in a fixed position relative to the conduit, and wherein the outwardly extending flange contacts a portion of the tapping means for maintaining the tapping means in a fixed relationship to the tapped conduit.

Abstract: Method and apparatus for applying a permanent clamp to secure a hose end to a hose coupling provide for equalizing the radial forces between the clamp and the hose and for deforming part of a strap or wire clamp to lock its open free end to its loop or closed end.

Abstract: A subsea pipeline hub is connected to the hub of an adjacent spool piece connected to an in-place manifold of a subsea structure used in the production of oil and/or gas. The pipeline hub is positioned relative to the opposing spool hub and a remotely operated pipeline connecting tool is lowered from the water's surface to the subsea structure using guidelines and structural guidance for alignment of the pipeline hub with the spool piece hub. The spool piece hub is then drawn to the pipeline hub and the hubs are clamped together by operation of the connecting tool. The seal in the connection can be tested by means of the connecting tool. The spool piece may be retrieved and replaced by the connecting tool if maintenance is needed. Connecting tool operations are powered by hydraulic fluid and controlled from the surface. The pipeline hub may be lowered vertically and pivoted into its position adjacent the spool piece or may be pulled into that position.

Abstract: A tool for mating two pipes, having two pairs of arcuate clamping jaws of adjustable locked diameter moved towards each other by a pair of linking means mounted to opposite sides of each pair of jaws so as to lie and move in a simple plane. Inserts are provided to further reduce the jaws locked diameter.

Abstract: A hand actuated swaging device for securing a metallic fitting to an end of a hose has a one-piece cast frame with an integral die support. A ball screw and ball nut assembly is supported by the frame. The screw carries a pusher which presses a fitting into a swaging die without rotation with the screw. .Iadd.A generally triangularly shaped clamp is provided which is pivotally secured at its apex to side support members and having an arcuate shaped base disposed to press the die into an opening through an end member of the frame..Iaddend.

Abstract: A hand actuated swaging device for securing a metallic fitting to an end of a hose has a one-piece cast frame with an integral die support. A ball screw and ball nut assembly is supported by the frame. The screw carries a pusher which presses a fitting into a swaging die without rotation with the screw.