Abstract: A device and method of replacing an electronics module in a seismic cable on the open sea, where the replacement is carried out with the aid of a small boat equipped with cable rollers, the method including positioning the part of the cable including the electronics module on a first and a second cable roller respectively in such a way that the electronics module and its couplings are located between the two rollers, clamping the sections of cable on either side of the electronics module in a first and a second clamping arrangement, respectively, with the clamping arrangements connected together via a mechanical tensioning device, moving the clamped sections of cable towards each other using the tensioning device in such a way that the tension in the seismic cable is taken up by the tensioning device, after which the electronics module can be removed and replaced after which the tensioning device is slackened slightly and the clamping arrangement is released from the sections of cable before the part of the s

Abstract: The fitting for the present invention comprises a fitting main body and a retaining ring, in which the fitting main body comprises an inner core having a plurality of large diameter portions form on the outer circumferetial surface and a flange and having a hole disposed to the circumferential surface of the retaining ring for attracting the retaining ring put over the top end of the plastic pipe to the flange; and the retaining ring, upon attracting operation applied thereto, moves the plastic pipe to the flange accompanying the retaining ring to insert the inner core relatively to the top end of the plastic pipe. The inner core diametrically enlarges the top end portion of the plastic pipe and compresses the top end portion in cooperation with the retaining ring. Therefore, the said fitting can simply and reliably connect the plastic pipe.

Abstract: A pressing device comprises a press ring having at least three pivotally interconnected compression jaws. The press ring has a first open configuration, and a second closed configuration. A coupling element extends from each of two jaws for operable connection to a closing device. The closing device shifts the press ring between the configurations, and includes two oppositely disposed pivotal levers. A drive device is operably engageable with each of the levers, for pivoting the levers and thereby causing the ring to be shifted between the configurations.

Abstract: The invention relates to a pressing tool (1) for compressing pipe ends. In order to improve such a tool, a bearing (8) and an abutment (13) are configured on the tool (1).

Abstract: A pressing device 1 for joining workpieces 44, 45 has a pressing tool 3 and a motorized drive 5 for actuation of the pressing tool 3 over a pressing distance, as well as a control device 26 which has a drive control device 62 with an output control device 67 as actuator for influencing the drive 5, such that at least one setpoint profile is retained as a command variable according to which a manipulated variable, corresponding to the setpoint profile, is generated for influencing the output control device 67. The output control device 67 and the setpoint profile 79 or profiles are part of a servocontrol system.

Abstract: A tool for inserting a hose fitting into an open end of a flexible hose includes a clamp for gripping the hose near its open end. An arm is pivoted to the clamp for swinging movement from a retracted position to an advanced position extending across the open end of the hose. The arm has an abutment adapted to press the fitting into the open end of the hose upon further swinging of the arm.

Abstract: The tube conduit connection contains a tube conduit connector (1) including at least one connecting member (2,2',2") and a tube end (6) which is made of a thermoelastic cross-linked polyolefin and which is firmly and gas-tightly applied to the connecting member by expansion and self-reconversion of the tube end. The connecting member (2,2',2") contains a surface structure (3,3',3") which is outwardly followed by an elongation (4,4',4") having a chamfered end (5,5',5").

Abstract: A band clamping machine is provided for clamping a metallic clamping band having a band section, a lever for reducing an inner diameter of the looped band section, and a pair of fixing pieces for holding the lever. The band clamping machine includes a diameter reduction mechanism having a clamping arm for turning down the lever and an arm driving mechanism moving the clamping arm so as to turn down the lever. The arm driving mechanism includes a first mechanism for moving the clamping arm from an initial position to a mid position, and a second mechanism for moving the clamping arm from the mid position to a final position. A fixing mechanism is provided to bend the fixing pieces inward to fix the lever at the final position between the fixing pieces.

Abstract: The invention is directed to an improved disconnect tool (15). In the preferred embodiment, the disconnect tool is comprised of a first member (16) and a second member (18) connected by a pivot pin (19). The tool includes an engagement means (23) and an expansion means (22) to facilitate the engagement and expansion of a retaining clip so as to permit insertion and removal of a fluid line (39) from a fluid coupling assembly (41). In the preferred embodiment, the expansion means takes the form of a castellated tube portion with a plurality of fingers (20) defining a plurality of grooves (21) therebetween. The fingers are used expand the retaining clip radially and outwardly so as to permit the fluid line to be removed from the fluid coupling assembly. In addition, the present invention is also directed to a method for removing a fluid line from a fluid coupling assembly through the use of a disconnect tool.

Abstract: The present invention relates to a press tool for connecting a tubular element to an element which is arranged in the interior and substantially adapted to the inner diameter, the press tool comprising at least one press jaw and a pressure distributing element which is annularly arranged between the press jaw and the outer circumference of the tubular element and which exhibits the characteristics of an incompressible liquid and which is arranged around the connecting portion of the elements to be connected and distributes the pressing power generated by the press jaws substantially over the outer circumference of the tubular element. Furthermore, the present invention relates to a method for connecting a tubular element to an element which is arranged in the interior and substantially adapted to the inner diameter, wherein pressure which is evenly distributed over the circumference of the tubular element is exerted at the same time to the exclusion of leaky spots.

Abstract: A release tool is provided to aid in the unlocking of extending towing arms. The tool is adapted to fit a tow bar assembly that has a telescoping towing arm which is locked in an extended position by a slideable collar. The collar is moveable between a locked position and a released position. When in the locked position, the collar holds catches in engagement with legs of the towing arm to hold the legs fixed relative to each other. When in the released position, the legs are free to telescope relative to each other. Stress can build-up in the towing arms making it difficult to move the collar from the locked position to the released position. The release tool of the present invention provides a mechanical advantage to aid in the movement of the collar from the locked position to the released position. A cam surface on the tool engages the collar and moves it from the locked position to the released position as a handle is rotated about a fulcrum means.

Abstract: A connector for a composite pipe includes a male conical member to be inserted between inner and outer layers of the pipe. The outer layers have oppositely wound composite strips which are overlapped along the conical surface. The ends of the strips are braided and a cup located over the conical surface. A filler is injected between the cup and conical member to fill the voids formed between the overlapping strips.

Abstract: A joint for coupling corrugated or ribbed pipe segments, including helical ribbed pipe segments, end-to-end includes a segment of corrugated or ribbed pipe having a plurality of corrugations or ribs spaced axially along the segment's outer surface, a spigot portion at an end of the segment where the corrugations or ribs have been partially removed to form annular bosses, an annular gasket positioned in the spigot portion, and a cylindrical coupling positioned over the spigot portion and gasket. The outer diameter of the coupling is substantially equal to the outer diameter of the corrugations or ribs, and the inner diameter of the coupling is larger than the outer diameter of the bosses such that a gap is formed between the coupling and the spigot portion. The gasket is sized to have a radial thickness slightly larger than the gap such that the gasket forms an air-tight seal between the spigot portion and the coupling when the spigot portion and gasket are inserted into the coupling.

Abstract: A tool for reconnecting a fuel hose safety break away. Various geometry safety break aways are attached to various diameter fuel hoses, typically above a person's head. These safety break aways separate if a vehicle drives away from a fuel pump with the fuel nozzle still attached to the vehicle. The tool of the present invention assists the person having to reconnect the two halves of the safety break away. While individual tools for various geometry safety break aways and different hose diameters can be made, so that a service station does not have to obtain several different tools for their various fuel pumps, the tool of the preferred embodiment has a plurality of user selectable jaws, the jaws having hose engaging portions with similar geometry to the hoses they are to engage.

Abstract: A crimping device for crimping end fittings on hoses and tubes includes a base ring and a pressure ring. The base ring includes a frustoconical inner surface in which is positioned a die assembly which, at its opposite end, abuts a portion of the pressure ring. When the pressure ring is pushed toward the base ring, the dies converge, crimping the fitting to the hose or tube. In order to properly locate the hose or tube, a locator pin is affixed to the pressure ring by an L-shaped bracket. The locator pin, pressure ring and crimping die assembly form a tool package which, upon being initially set, does not have to be reset for subsequent uses. The tool package can be stored while other tool packages of a similar configuration are set, used and then stored for subsequent use. In this way, the irritation and resulting inefficiency of having to continually reset tooling is minimized.

Abstract: An apparatus for crimping connectors on the ends of hoses includes a clamping machine having first and second moveable portions, a first measuring device associated with the clamping machine for delivering a signal representative of the linear distance between the moveable portions, and a controller operatively connected to the first measuring device and the clamping machine, for receiving the signal and stopping the relative movement of the first and second moving portions when the signal reaches a predetermined setting. The controller adjusts the relative movement of the moveable portions in response to input recorded on crimped connectors.

Abstract: A device for attaching a hose onto tubing by crimping a sleeve ferrule against the hose and tube stem, the device having a pair of opposing crimper assemblies each having a number of slotted crimper blades aligned to form contiguously abutting blade pairs, where the slots diminish such that the ferrule is deformed as the crimper assemblies are advanced together. The crimper slots terminate in a semi-circular portion so that at the point of full advancement a circle is formed by the opposing slots, resulting in a crimp with no raised longitudinal leak pathways.

Abstract: There is disclosed a tool for connecting a cable fitting to the end of a coaxial cable. The tool is made up of one or more dies with a cavity therein, a carrier chuck which is axially spaced from the die surfaces to support the fitting in relation to the end of the cable, and a handle pivotally mounted to cause axial movement of the carrier chuck. The carrier chuck is pushed toward the die surfaces to axially force the fitting into the die cavity to reduce the circumference of one end of the fitting into a generally conical configuration securely engaging the cable. A radial ratchet mechanism on the handle prevents the carrier chuck from moving away from the die until the fitting has been fully and properly secured to the cable. The dies are specially shaped to have a guiding portion which smoothly and consistently guides the fitting into proper relation to the dies, and a stop limiting portion to prevent the fitting from being forced too far into the die.

Abstract: A hose crimping apparatus for permanently attaching sleeve fittings onto a hose, the apparatus having a rotating annular cam ring mounted about an opening in a base member with a number of arcuate cam surfaces on its inner surface, the cam surfaces forcing crimping dies radially inward along linear die pathways formed by wedge-shaped die guide members mounted on the base member when the cam ring is rotated.

Abstract: An automatic tubing assembly device of modular design and suitable to utilization with thin-walled, flexible tubing is shown in several embodiments. The device includes a mechanical assembly for pure rectilinear motion to avoid tubing damage and an elongated jaw set (18) which applies a force to the tubing (45) over the fitting (1) involved and which flexes outward over the fitting (1). Use of a springed friction member (54) and sliding cam (21) act to achieve the rectilinear motion. The fitting (1) is supported along its length and the entire device is operable from one lever (7) which has only one degree of freedom and thus lends itself to assembly line automated uses. Additionally, multiple axis fittings can be accommodated through simple reconfiguration of the modular design.

Abstract: Disclosed is a press tool for pressing tubular inner and outer nested workpieces (e.g. a pipe end upon which is slid a press fitting). The press tool includes a plurality of clamping components which contain clamping jaws having a continuous circumferential pressing groove (63) shaped in their inner sides, the jaws having a pressing land (65) that extends along only one side of the pressing groove. The press tool also includes a template (44) which fits over the inner nested workpiece but not over the outer slid-on workpiece, the template (44) being positioned on the side of the groove (63) opposite the pressing land (65).

Abstract: A secure swaging tool 10 for compressing an axially swaged fitting 12 having a sleeve 28 and a collar 32 onto a tube 14 includes (i) a housing 16 defining a partially enclosed chamber 40; (ii) a movable element 18, i.e., a piston, disposed within the chamber 40 and movable between a retracted position 102 and an extended position 104; (iii) a housing jaw 20 attached to the housing 16; (iv) a movable jaw 22 affixed to the movable element 18, movement of the movable element 18 from the retracted position 102 to the extended position 104 causes the movable jaw 22 to approach the housing jaw 20 along a fixed axis; and (v) first and second swaging adapters 24, 26, one swaging adapter is disposed in each jaw. The first swaging adapter 24 retains the sleeve 28 while the second swaging adapter 26 retains the collar 32 which induces a radial swaging force to the sleeve 28 when the movable element 18 is moved from the retracted position 102 towards the extended position 104.

Abstract: A swaging tool for swaging an axially swaged fitting for connecting tubes and pipes is disclosed. The tool comprises a housing and a piston movable in opposite axial directions within the housing. A first engaging member in the form of a U-shaped yoke is formed on the outer surface of the housing. A second engaging member, also in the form of a U-shaped yoke, is formed on the outer surface of the piston and is adapted to slide within slots in the outer surface of the housing. Both of these yokes are configured to allow either side of each yoke to engage a portion of the fitting to swage it when the yoke of the second engaging member is moved toward the yoke of the first engaging member.

Abstract: The disassembly of conduit fittings in vehicular sub-systems becomes very difficult and time consuming as a result of their location and the effect of corrosion. Various fittings have been designed to make this maintenance task less work for the mechanic. However, special tools must frequently be designed to provide for the hard to access locations and frozen joints that frequently exist. The combination tool of this invention provides such a tool for a common conduit fitting used in fluid piping sub-systems of vehicles. In particular, the air conditioning systems of automobiles can have a number of these fittings. The combination tool of this invention has three handles. Two of the handles, along with a jaw and collar fixture for each handle, form pliers to grip one female connector portion of the fitting. A collar portion of the jaw and collar fixture also displaces a retainer spring in a connector flange of the conduit fitting.

Abstract: A spring-lock release tool provided with double-action arms for both uncoupling a pair of tubes and separating them from each other. A first portion of the arms engageable with a floating collar member for uncoupling the tubes, and a second portion of the arms engageable with rods for separating the tubes.

Abstract: A Translational Press and Mandrel Apparatus for Straightening Baghouse cages. The mandrel is rigid, fixed, generally cylindrical and disposed generally horizontal to temporarily coaxially receive cages to be straightened. It has a closed generally rounded distal end for receiving the cage to be straightened. Also, the mandrel has a flange disposed on a proximal end to facilitate anchoring the mandrel to a relatively stable structure such as the trailer upon which it is transported. The translational press contacts and straightens the cages disposed on the mandrel. The press comprises a pair of hinged generally hemicylindrical dies adapted to be forced together to form a generally cylindrical form to compress the cage to the contours of the mandrel and joined dies. A carriage mounting the dies and compression means for forcing the dies together is slidably displaceable along the length of a track disposed below and generally parallel to the mandrel.

Abstract: An automatic positioning system that includes positioning means for positioning a hose assembly adjacent a crimping apparatus. Actuator means is in communication with the positioning means to cause the positioning means to move. Control means is in communication with the actuator means to control movement of the positioning means. The method of the present invention includes the steps of: (a) actuating a positioning means to cause the positioning means to move; (b) controlling movement of the positioning means by control means so that the positioning means is in proper position with respect to a crimping apparatus; and (c) placing a hose assembly on the positioning means.

Abstract: A crimping die is provided for use in a crimping machine for radially crimping the collar of a hose coupling onto the end of a hose. The crimping die includes a die assembly having a plurality of die segments and at least one unitary retention and separator band. The die segments are adapted for arrangement into a circular array about a central axis, with each of the die segments having a radially inner surface forming a section of a common collar bore about the central axis for receipt of the collar of the hose coupling. Each die segment includes a top surface having an arcuate groove formed therein. The groove has a predetermined cross-sectional configuration with an open upper end that is provided with a lesser width than the width of at least a portion of the groove below the upper end. The unitary retention and separator band is constructed of an elastomeric material and has a like plurality of die segment retaining portions and a plurality of spacer portions.

Abstract: A pipeline assembling apparatus used in assembling together large diameter PVC pipes into a pipeline includes a gripper assembly having an upright member for placement adjacent a side of an end of a second pipe to be inserted into an adjacent end of a first pipe and a pair of upper and lower horizontal members extending in cantilevered fashion outwardly from the upright member and generally parallel to one another for placement respectively above and below the end of the second pipe, an actuator assembly spaced from the gripper assembly and having a lower yoke of an inverted U-shape formed by a top horizontal member and a pair of vertical side members for placement over the end of the first pipe and a handle fixedly attached to the top horizontal member of the lower yoke, and a link member extending between and pivotally connected at one end to the upper horizontal member of the gripper assembly and at an opposite end to the handle of the actuator assembly such that by manually pulling on an upper extension o

Abstract: A compression tool includes a housing having adjacently disposed first and second oppositely disposed portions defining therebetween a clearance. First and second pivot levers are provided, and each of the levers is pivotally secured to one of the portions and extends therefrom beyond the housing. At least three compression jaws are operably associated with the housing and disposed about the clearance. One of the jaws is secured to the housing and the other two of the jaws are each connected to one of the levers and are pivotal therewith. The one jaw is separate from the first and second levers. Each of the jaws has an arcuate compression surface. A movement assembly is operably associated with each of the levers and the associated jaw for causing cooperating movement thereof. A drive assembly is operably associated with each of the levers and is disposed exteriorly of the housing for causing pivoting thereof between a first open position and a second closed position.

Abstract: To form a pipe fitting (90) having a body (92) formed with at least one outer bulge (93) defining an inner circumferential groove (93a), in which a sealing ring (93b) can be located, so that the fitting, upon circumferential compression, can sealingly engage a pipe (91) inserted therein, a blank (11) is inserted into a two-part die, joined together at a severing plane. The die is formed with an annular recess or groove (7, 8). A mandrel is inserted in the pipe to maintain its inner diameter, and an upset member is forcibly moved against the end portions of the blank. The material of the blank (11) will flow into the annular groove (7, 8), thus forming the circumferential bulge (93). To accurately dimension and shape the resulting inner groove (93a), a roller element is inserted into the pipe, and rotated about itself, and additionally moved in an orbital or spiral path against the inner wall of the initially formed groove, to define its shape and size.

Abstract: A compression tool includes a housing having adjacently disposed first and second oppositely disposed portions defining therebetween a clearance. First and second pivot levers are provided, and each of the levers is pivotally secured to one of the portions and extends therefrom beyond the housing. At least three compression jaws are operably associated with the housing and disposed about the clearance. One of the jaws is secured to the housing and the other two of the jaws are each connected to one of the levers and are pivotal therewith. The one jaw is separate from the first and second levers. Each of the jaws has an arcuate compression surface. A movement assembly is operably associated with each of the levers and the associated jaw for causing cooperating movement thereof. A drive assembly is operably associated with each of the levers and is disposed exteriorly of the housing for causing pivoting thereof between a first open position and a second closed position.

Abstract: A swaging tool for swaging a fitting to a tube includes a tubular housing having a first jaw unit on a first end portion of the housing and a closed cylinder at a second end portion of the housing. The closed cylinder has a port for receiving pressurized fluid. A ram is movable in opposite axial directions in the closed cylinder of the housing. A piston having a second jaw unit is located in a middle portion of the housing in engagement with the ram. A stabilizing pin is slideably received through the piston and into the ram. Bearings are located on an end of the stabilizing pin and on the ram to react the moments generated during swaging directly into the housing.

Abstract: A field assembled gas riser includes an adapter having plural inner grooves that receive the outer surface of a plastic gas line as it is plastically deformed by axial insertion of a stiffener into the gas line. The gas line is terminated at a desired location, the adapter slid over the terminated end, and a stiffener manually inserted into the gas line. Continued axial advancement of the stiffener acts as a mandrel to plastically deform the gas line into the grooves and provide a secure, sealed arrangement.

Abstract: The present invention relates to a process for shrinking a ring to be shrunk, placed around an object to be clamped on a cylindrical support and behind an axial obstacle connected to said support. The process comprises the following steps of: a) fitting a shrinking tool around the support, over the axial obstacle, until its jaws in expanded position are disposed in the radial plane of the ring to be shrunk, b) positioning in the jaws, by the rear of the axial obstacle, a spacer presenting a central opening adapted to the ring to be shrunk, and c) finally, tightening the shrinking tool to bring the jaws and the spacer that they contain in their retracted positions.

Abstract: A sucker rod coupling tool and method for either breaking or tightening the threaded joint between a sucker rod and the coupling that joins the sucker rod to the next sucker rod. A base plate has a backup wrench mounted to one end and a friction wrench actuated by a hydraulic piston pivotally affixed to the base plate at the other end. An inversion loop is affixed to the base plate and rotatably suspended below a control platform to accommodate inversion of the base plate along with the backup wrench and the friction wrench. The control platform also supports the control levers and can be raised and lowered to allow the backup wrench to engage the sucker rod.

Abstract: A tool for reconnecting a fuel hose safety break away. Various geometry safety break aways are attached to various diameter fuel hoses, typically above a person's head. These safety break aways separate if a vehicle drives away from a fuel pump with the fuel nozzle still attached to the vehicle. The tool of the present invention assists the person having to reconnect the two halves of the safety break away. While individual tools for various geometry safety break aways and different hose diameters can be made, so that a service station does not have to obtain several different tools for their various fuel pumps, the tool of the preferred embodiment has a plurality of user selectable jaws, the jaws having hose engaging portions with similar geometry to the hoses they are to engage.

Abstract: A fitting body is provided with a lip that protrudes radially from at least one of the side walls of the seal groove in the sealing face toward the other side wall to form an undercut whereby an annular seal is trapped axially behind the lip to prevent the annular seal from falling out of the groove. The lip is formed by forming the fitting body with a ledge that is integral with the fitting body and protrudes axially from the sealing face adjacent one of the side walls of the groove in the sealing face. The ledge is then flattened to form the lip and an annular seal such as an elastomeric O-ring seal is then inserted into the groove with the annular seal being mechanically trapped axially behind the lip to prevent the annular seal from falling out of the groove.

Abstract: A tool for releasing a connector from a fitting coupled together by a retainer element through movement of an integral release member mounted in the connector. The tool includes a pair of pivotally connected jaw levers, each with a bifurcated jaw end. The bifurcated jaws engage the connector and simultaneously slidably urge the release member into the connector to disengage the retainer element from the fitting to enable the decoupling and separation of the fitting and the connector. The jaws are of thin planer construction for insertion between the outer end of the release member and surrounding structure where access space is limited.

Abstract: Male fluid couplers (14) are attached to a control valve (94) mounted in a holder (96). Female fluid couplers (16) have their sleeve members (72) held in an aperture (108) in a sleeve member retainer (110) by snap rings (112). Lever arms (122 and 124) are attached to the sleeve member retainer (110) by pins (126 and 128). Pins (134 and 135) on the lever arms enter slots (136) in the male holder (96). Movement of the lever arms (122 and 124) moves the female couplers (16) into engagement with the male fluid couplers and allows locking balls (40) to move into locking ball grooves (38). Upon release of the handle (130), the spring (80) moves the sleeve member (72) in a position locking balls (40) in the grooves (38). Movement of the handle (130) in the opposite direction moves the sleeve members (72) into position to release the balls (40) from the grooves (38). Continued movement of the handle (130) moves the female couplers (16) from engagement with the male couplers (14).

Abstract: A hand held tool for the removal of vacuum hoses includes a removable grasping handle portion. An elongated slender shaft portion has a free end connected to the removable handle portion and a working end. A sharp edged, tapered, U-shaped slot is disposed on the working end of the elongated slender shaft portion. The working end has a taper for working the tool behind a hose which has its end pressed against a flush wall. A double fulcrum is provided to give a large mechanical advantage during early part of the pry to break a rubber hose free and then a smaller mechanical advantage during a later part of the pry to remove the hose more rapidly. Sharp edged, non-chamfered edges increase the surface contact area of the end of a hose and has a removable grasping handle. The sharp edged U-shaped slot for surrounds a significant portion of an exposed end of a hose so as to apply shear-type removal stress as near as possible to a frictionally resistive tube inserted in the hose.

Abstract: A quick connector assembly for coupling a flexible hose or tube to a bore formed in a housing thereby to establish fluid communication between the interiors of the hose and bore, respectively, comprises an elongate tubular male insert having one end adapted to receive and retain the tube about its periphery. The other end of the male insert includes a contoured external surface defining an external locking flange, and a pair of axially-spaced external circumferential grooves for receiving a pair of O-rings which ultimately sealingly engage complementary cylindrical sections of the housing bore upon insertion of the connector assembly thereinto. Prior to its insertion into the housing bore, the connector assembly includes a garter spring which is radially collapsed about the male insert's contoured external surface by an encompassing annular spring guide.

Abstract: A universal hydraulic tool for compressing a connector fitting to tube portions to be joined is disclosed. The tool includes a base member and a tool member which define aligned receiving chambers. The base member defines a first jaw set and a slide member defines a second jaw set. The reception chambers have a width adjacent the jaw sets slightly larger than the connector fitting end. The base member mounts a cylinder having a piston operatively connected to the slide member. Relative movement between the base member and the slide member compress the connector fitting in either the forward direction or the reverse direction to form the desired tube joint without using a different hydraulic tool.

Abstract: A remote clamp connector will connect and disconnect hubs of abutting pipes. The connector has a clamp with segments which will pivot outward and inward for engaging external flanges of the hubs of the pipes. A remotely actuated drive member moves the clamp between closed and open positions. A carriage supports the clamp. The carriage is retractable along the pipe after the hub has moved to the open position.

Abstract: A semi-cylindrical tool for decoupling telescoping tubular members includes two companion, opposed semi-cylindrical engaging sections each joined to an elongated arm which, in turn, is attached to a single handle. The elongated arms are flexible and permit access of the tool into difficult to reach places.

Abstract: The present invention pertains to a tubular connection having a stabilized center-shoulder seal. The stabilization of the center-shoulder seal is achieved using at least one run-out section of thread adjacent to the center-shoulder seal configuration of each connection member. The run-out section of thread is typically used in combination with a run-in section of thread on the corresponding connection member.Preferably, the center shoulder seal configuration of each connection member is positioned between a run-out thread section and a run-in thread section. (The corresponding connection member will comprise the corresponding sections of run-in and run-out threads, respectively, so there is an interengaging set of run-in and run-out threads).

Abstract: A unitary molded tool for decoupling telescoping tubular members includes two companion spring engaging sectors joined along one longitudinal edge by a collar which has a greater radius than the sectors and which is attached to the separate sectors by spaced rib members.

Abstract: A swaging unit which is portable and which has a locking fitting to co-operate with separable components to the secure a sleeve in an engagement with the swaging unit. In this manner, a tube can be swaged onto the sleeve. The locking fitting has internal threads which engage with external threads on the separable components to facilitate engagement. The swaging unit can be finely adjusted by having fine threads between a locknut and a cage for housing the mandrel.

Abstract: The present invention pertains to a tubular connection having a stabilized center-shoulder seal. The stabilization of the center-shoulder seal is achieved using at least one run-out section of thread adjacent to the center-shoulder seal configuration of each connection member. Typically, the at least one run-out section of thread is located adjacent the side of the center-shoulder at which the connection member wall thickness is less. The run-out section of thread is typically used in combination with a run-in section of thread on the corresponding connection member.Preferably, the center shoulder seal configuration of each connection member is positioned between a run-out thread section and a run-in thread section. (The corresponding connection member will also comprise the corresponding sections of run-in and run-out threads, respectively, so there is a set of run-in and run-out threads).

Abstract: A method for fastening an elastic sealing ring on a pipe includes the steps of applying a base portion of the sealing ring against the circumferential surface of the pipe, and placing a clamping strap under tension around the outer face of the base portion. The clamping strap is secured to the pipe by spot-welding in at least two welding spots, the spot-welding operation being carried out with the material of the sealing ring located between the clamping strap and the pipe. A device for fastening the sealing ring on the pipe is provided which comprises, in addition to the clamping-strap supply, a movable assembly for feeding the clamping strap to the pipe; an assembly for applying the strap on the base portion of the sealing ring; a unit for spot-welding the clamping strap to the pipe; and a friction-exerting mechanism for gripping and exerting a braking action on the clamping strap.