Abstract: The process of forming a blowable flexible innerduct contains the steps of forming an inner innerduct structure comprising at least one inner longitudinal chamber, where the at least one inner longitudinal chamber comprises an inflatable tube and forming a textile. Concurrently forming an outer innerduct structure from the textile having at least one outer longitudinal chamber and inserting at least one inner longitudinal chamber into at least one of the outer longitudinal chambers. The inflatable tube has a wall thickness of less than about 0.5 mm. The inner longitudinal chamber alone has an air permeability of less than about 1 cfm, outer longitudinal textile chamber alone has an air permeability of greater than about 100 cfm, and the outer and inner longitudinal textile chambers together have an air permeability of less than about 1 cfm.

Abstract: Method for installing a cable into a duct, comprising the steps of: determining a maximum pressure, setting a leaking mode of a leaking plug to start at a leaking pressure drop equal to or lower than the maximum pressure, attaching the leaking plug to a foremost end of the cable, introducing the foremost end of the cable into the duct, supplying a pressurized liquid into the duct: at a supply port, and at a supply pressure, so that the cable is pulled by the leaking plug, before the foremost end has reached the second extremity, exceeding the leaking pressure drop at a location close to the leaking plug.

Abstract: The disaster-resistant structure secured to a body of cast material comprises at least one flexible cable to resist high loads, debris impact and other hazards that occur due to high winds, tornadoes, earthquakes, or other severe storms. The structure is secured to the body of cast material by at least one flexible cable passing through. At least one hollow tube imbedded into the body of cast material. The flexible cable is looped around the structure in a substantially vertical plane, passed through the tube, traveling inside the walls and ceiling. The ends of the flexible cable are connected using any conventional means for connecting cable ends. The structure is also secured by at least one other flexible cable that is looped around the room structure in a substantially horizontal plane located within the walls and secured using any conventional means for connecting cables.

Abstract: A connector assembly includes a first and a second releasable and mateable connector. Each connector includes a front assembly composed of a manifold and a plurality of optical stems. Each manifold includes a plurality of inserts and a plurality of spherical seal assemblies. Each seal assembly is composed of a spherical ball, a ball dowel pin, and a ball actuator pin having a cam. Each spherical ball is configured to rotate about an axis defined by the two pins when the actuator pin cam traverses a groove fabricated in one of a plurality of guide rails disposed in the first connector. When the plurality of seal assemblies are in an open configuration, the optical stems of the first connector may slide through the inserts of the first connector, through the seals, and mate with the optical stems of the second connector within the inserts of the second connector.

Abstract: Aspects of the subject technology relate to systems and methods for deploying fiber optic lines in a wellbore using a fiber optic deployment device. The device can include at least one fiber optic spool forming a canister. The canister can be operable to self-propel through at least a portion of the wellbore. Each of the at least one fiber optic spool can comprising one or more fiber optic lines. Each of the one or more fiber optic lines can be coupled to a bridge plug at a first end and coupled to a cable at a second end opposite the first end. The device can include a sleeve covering the at least one fiber optic spool.

Abstract: An apparatus for the movement of a barrel pack containing spooled wire or cable. The apparatus comprising a frame, a handle attached to the frame, a plurality of wheels rotatably attached to the frame, securing structures attached to the frame, the securing structures securing the barrel pack to the frame and a footage counting assembly attached to the handle. The footage counting assembly counts the amount of footage of wire or cable passing through the footage counting assembly.

Abstract: A wire electrical discharge machine includes: a guide pipe as a guide member arranged on a path for feeding a wire electrode from a feed roller toward a workpiece and having a passage hole through which the wire electrode is passed; an airflow generator for generating a flow of compressed air in the passage hole and switching a flow direction of compressed air flowing through the passage hole between a forward direction and a reverse direction; a deflection detector for detecting a deflection of the wire electrode; and a control device for controlling the airflow generator so as to generate a flow of compressed air in the forward direction in the passage hole during auto wire feeding and, when the deflection detector detects the deflection, change the flow direction of compressed air to the reverse direction and thereafter switch the flow direction of compressed air to the forward direction.

Abstract: Conductor cover applicators may define a mouth, or may incorporate movable jaws that open and close a mouth, for receiving a cable. The applicators may have a separator for spreading open a conductor cover, so that the cover can be fed through the applicator onto the cable. Methods of use and other variations are disclosed.

Abstract: A method of conveying a fiber optic cable through a conduit having an inside diameter involves connecting an interior pig assembly to a far end of the fiber optic cable, the interior pig assembly having an outside diameter smaller than the conduit inside diameter, and inserting the interior pig assembly into the conduit. To convey the fiber optic cable through the conduit, the interior pig assembly may be magnetic, and an exterior assembly including a magnet outside the conduit may be used to pull the interior pig assembly pig through the conduit. In addition or alternatively, a gas may be injected into the conduit to push the pig assembly through the conduit.

Abstract: An insertion assembly (1) includes a frame (11), having a longitudinal passage (13) for the thermocouple (3); a device (15) for blocking the pipe (5) in position relative to the frame (11); a device (17) for guiding the thermocouple along the passage (13); and a device (19) for driving the thermocouple (3). The driving device (19) includes at least a first drive belt (21) having a first longitudinal segment (25) pressed against the thermocouple (3), and a motor member driving said first segment (25) of the first belt (21) longitudinally relative to the frame (11).

Abstract: An OSS sound generation system employing an optical shape sensor (10), an optical shape sensor (10) controller, one or more audible devices (40) and a sound controller (30). In operation, the OSS controller (20) controls a generation by the optical shape sensor (10) of sensor data indicative of stimuli measurement(s) of the optical shape sensor (10), and the sound controller (30) interprets the sensor data to control a generation by the audible device(s) (40) of one or more sound(s) derived from the stimuli measurement(s) of the optical shape sensor (10).

Abstract: A method of monitoring a coiled tubing operation includes positioning a bottom hole assembly (BHA) connected to a coiled tubing string within a horizontal wellbore. The method includes monitoring a plurality of sensors connected to the BHA via a communication line positioned within the coiled tubing string and determining an optimal injection speed of the coiled tubing string by monitoring the sensors in real-time. The injection speed of the coiled tubing may be changed based on the real-time determination of the optimal injection speed. The sensors may be monitored in real-time to determine an optimal amount of lubricant to be injected into a wellbore or whether the coiled tubing string is forming a helix. The BHA may include a tractor or a vibratory tool to aid in the movement of the BHA along a horizontal wellbore. The communication line may be used to power the sensors, tractor, and vibratory tool.

Abstract: A method for use in connection with installing a cable into a conduit having a first conduit end and a second conduit end, comprising the steps of —providing the cable with a metallic attribute, —providing within or proximate to the conduit, sensing means for sensing the metallic attribute, —introducing the cable into the first conduit end and driving it towards the second conduit end and —detecting that the sensing means has sensed the metallic attribute by sensing a change in inductance levels of the sensing means.

Abstract: A house connection for a cable in a medium conduit comprises a cable passage with which the cable is taken out of the medium conduit. The cable passage is provided with a cable tensioner with which a portion of the cable can be tensioned in the medium conduit. The cable passage is preferably part of a rotatable manifold.

Abstract: A method for installing multiple fiber optic cables in coiled tubing in oil and gas operations.

Abstract: A method for laying a plurality of cable sections to be successively positioned in series in a buried duct, according to a flowing-pushing method using a pressurized fluid. The different cable sections are successively introduced into the duct in a single entry point comprising a laying device notably comprising an orifice for introducing a pressurized fluid, a cable section entirely introduced into the duct is pushed towards the position which it should occupy in the duct, only by the pressure of the fluid introduced by said laying device and when a cable section has reached his final position in the duct, an opening is made in the duct near to the rear of the cable section.

Abstract: A field-installable pulling eye and a method for providing and using the same are disclosed. The pulling eye comprises a bolt, a sleeve, and a collet. The sleeve has a hollow interior defining a cavity configured to receive the collet through an open end, and an aperture passing from the exterior of the sleeve to the cavity at the opposite end. The bolt has a head portion and a threaded shaft configured to pass through the aperture and engage a complementary threaded orifice at one end of the collet. The collet has two or more jaws extending from the opposite end that are configured to exert a compression force the terminal end of a conductor inserted between the jaws as the collet is drawn into the cavity of the sleeve by tightening the bolt.

Abstract: A field-installable pulling eye and a method for providing and using the same are disclosed. The pulling eye comprises a bolt, a sleeve, and a collet. The sleeve has a hollow interior defining a cavity configured to receive the collet through an open end, and an aperture passing from the exterior of the sleeve to the cavity at the opposite end. The bolt has a head portion and a threaded shaft configured to pass through the aperture and engage a complementary threaded orifice at one end of the collet. The collet has two or more jaws extending from the opposite end that are configured to exert a compression force the terminal end of a conductor inserted between the jaws as the collet is drawn into the cavity of the sleeve by tightening the bolt.

Abstract: An apparatus and method for pulling an article such as a cable are disclosed. The apparatus includes a body having a portion configured to releasably secure the article. A compression force can be applied to secure the article and prevent slippage. A connector is provided at an end of the apparatus to facilitate attachment of a guide such as a thread.

Abstract: A projectile is utilized to introduce an item into a conduit which already has a cable therein. The projectile includes a body member having a longitudinal opening therethrough. The body member is longitudinally split so that the cable may be received in the opening. The item is attached to the body member. When the projectile with a portion of the cable received therein is put into a conduit and air under pressure is introduced into the conduit, the projectile is pushed along the cable and if the cable is undulating in the conduit, it is straightened and positioned out of the way of the item being introduced.

Abstract: One form of sewer comprises a pipe having a bottom section 100 incorporating a flow channel 101 along which sewage flows. A cable guide 110 comprises a body section 111 and an arm section 112. The body comprises a panel 111 curved so as to be able to lie substantially flush with the walls of the flow channel 101 and the arm comprises a tube with an internal passage. The arm 112 projects from the body 111 and the passage within the arm 112 extends from an opening 113 provided in the body 111 to an opening 114 provided at the distal end of the arm 112. The openings 113, 114 and the passage within the arm 112 are of suitable dimensions to carry a cable 105. The body is also provided with a cable clip 115.

Abstract: Pulling eyes are provided with an integrated lug for electrically coupling conductors or cables to terminating equipment. The pulling eyes may include body portions that define interior cavities that are sized to snugly engage a bare metal portion of the conductors or cables. The body portions are sized to be deformably crimped onto the bare metal portions of the conductors or cables. The pulling eyes may also include head portions joined to the body portions, with the head portions are assembled to pulling ropes or cables for installing the conductors or cables. The pulling eyes may further include integrated lugs electrically attached or coupled to the body portions and configured to electrically couple the conductor to terminating equipment.

Abstract: There is provided a system, apparatus and methods for the laser drilling of a borehole in the earth. There is further provided with in the systems a means for delivering high power laser energy down a deep borehole, while maintaining the high power to advance such boreholes deep into the earth and at highly efficient advancement rates, a laser bottom hole assembly, and fluid directing techniques and assemblies for removing the displaced material from the borehole.

Abstract: A stringing angle clamp device and methods associated therewith are provided. The stringing angle clamp device has a pulley wheel rotatable about an axle. A connecting structure has at least a first end and a second end, wherein the first end rotatably is affixed to the axle and the second end is sized to connect to a utility pole. A first guide arm and a second guide arm are each rotatably affixed to the axle. A first wire clamping structure is affixed to the first guide arm and a second wire clamping structure is affixed to the second guide arm.

Abstract: Pulling eyes are provided with integrated wiring systems suitable for installing conductors or cables. The pulling eyes may include body portions that define interior cavities that are sized to snugly engage outside portions of the conductors or cables. The body portions are sized to be deformably crimped onto the outside portions of the conductors or cables. The pulling eyes may also include head portions joined to the body portions, with the head portions defining apertures for receiving a strength member for installing the conductors or cables. These apertures place the interior cavities in communication with the exteriors of the pulling eyes.

Abstract: A house connection for a cable in a medium conduit comprises a cable passage with which the cable is taken out of the medium conduit. The cable passage is provided with a cable tensioner with which a portion of the cable can be tensioned in the medium conduit. The cable passage is preferably part of a rotatable manifold.

Abstract: A method for laying an elongated element in a duct using a fluid injected under pressure through a fluid inlet in a pressure housing disposed at the elongated element inlet extremity of the duct. A mechanical drive placed before the pressure housing and the duct pushes the elongated element into the pressure housing and the duct. The method includes installing a first front end pulling pig at the front end of the elongated element and installing at least one subsequent pulling pig around the elongated element. The distance between each pulling pig is mainly constant. The method also includes applying the same maximum pressure drop to each pulling pig. The total pressure of the fluid injected being mainly equally shared by all the pulling pigs.

Abstract: A system includes a device, such as a streetlight or a signal light, having one or more conduits extending therefrom. An electrical conductor extends through the conduit and is connected to the light. The conduit also has a fiber optic cable extending therethrough, installed by way of a rod assembly inserted into one end of the conduit and a tool inserted into another end of the conduit. The ends of the rod assembly and the tool engage one another in the conduit and allow one of the tool or the rod assembly to be withdrawn from the conduit, withdrawing the other. The fiber optic cable is coupled thereto and extended through the conduit.

Abstract: Apparatus for installing a cable into a tube with the assistance of a fluid drag acting on the cable within the tube with an installation device, the apparatus including a driving mechanism comprising a driving surface arranged to contact the cable substantially along the full driving surface length, for driving the cable into the tube, a first measurement device for obtaining a first value indicative of a rate at which the installation device is driving the cable into the tube, a second measurement device for obtaining a second value indicative of a rate at which the cable is travelling through the apparatus, a processor for detecting when the first value exceeds the second value, and for reducing the rate at which the installation device is driving the cable into the tube for the duration when the first value exceeds the second value.

Abstract: Pulling eyes are provided with an integrated lug for electrically coupling conductors or cables to terminating equipment. The pulling eyes may include body portions that define interior cavities that are sized to snugly engage a bare metal portion of the conductors or cables. The body portions are sized to be deformably crimped onto the bare metal portions of the conductors or cables. The pulling eyes may also include head portions joined to the body portions, with the head portions are assembled to pulling ropes or cables for installing the conductors or cables. The pulling eyes may further include integrated lugs electrically attached or coupled to the body portions and configured to electrically couple the conductor to terminating equipment.

Abstract: The invention provides a method for pulling strands or sub-groups of strands of a multi-strand cable into a conduit (3). In accordance with this method, a strand or sub-group of strands (2) to be pulled into the conduit is conveyed from one end of the conduit to the other by the movement of a drive element (1) in tension, to which the strand or sub-group of strands is temporarily coupled. In addition, the drive element in tension is designed not to enter a bundle of previously installed strands.

Abstract: A device for use with a conduit having a first conduit end and a conduit second end, into which conduit a cable can be installed using a flow of air into the first conduit end, the device being suitable for confirming that the flow of air is exiting the second conduit end, the device including a housing, means to enable connection of the device to the second conduit end, a light source, a detector arranged to detect a presence or absence of a light signal, and a light shield, wherein in use, the flow of air entering the device causes the light shield and at least one of the light source or the detector, to move to and to stay at a position relative to the other, permitting the detector to detect detections including one or more of a presence or absence of the light signal, an intensity level of the light signal, a change in the presence or absence of the light signal, or a change in the intensity level of the light signal.

Abstract: Pulling eyes are provided with integrated wiring systems suitable for installing conductors or cables. The pulling eyes may include body portions that define interior cavities that are sized to snugly engage outside portions of the conductors or cables. The body portions are sized to be deformably crimped onto the outside portions of the conductors or cables. The pulling eyes may also include head portions joined to the body portions, with the head portions defining apertures for receiving a strength member for installing the conductors or cables. These apertures place the interior cavities in communication with the exteriors of the pulling eyes.

Abstract: A device for dispensing fish tape includes a pair of outside walls and outer and inner annular walls depending generally perpendicularly from the edges of the outside walls. Intermediate pinch ring walls depend generally perpendicularly from the outside walls and are positioned between the inner and outer walls. A plurality of spaced apart protuberances are provided on the intermediate walls and engage undulations on a hoop of a winding belt mounted within the device. A fish tape is mounted within the device and engages with the winding hoop. Each outside wall has a flat section extending from the outer edge thereof toward the inner edge thereof, and a raised section extending from the flat section to the inner edge.

Abstract: A power line puller control package facilitates the installation of conductor or high tension power lines by directing the conductor or high tension line removal from at least one supply reel at a substantially stable rate, while adjusting the speed of the drum to the amount of the rope or cable on the at least one holding drum, to facilitate manufacturing, installation or use of the high tension power line at a substantially constant speed and tension.

Abstract: A method for laying a plurality of cable sections to be successively positioned in series in a buried duct, according to a flowing-pushing method using a pressurized fluid. The different cable sections are successively introduced into the duct in a single entry point comprising a laying device notably comprising an orifice for introducing a pressurized fluid, a cable section entirely introduced into the duct is pushed towards the position which it should occupy in the duct, only by the pressure of the fluid introduced by said laying device and when a cable section has reached his final position in the duct, an opening is made in the duct near to the rear of the cable section.

Abstract: A device for use with apparatus for installing a cable into a tube, the apparatus including means to mechanically drive the cable into the tube, the device being suitable for directing an air flow into the tube and comprising a bore into which the air flow is directed, the bore having a length and a longitudinal axis, shielding means to reduce air flow from the bore along the longitudinal axis of the bore, wherein the shielding means extends the length of the bore, and wherein the bore is formed from the shielding means.

Abstract: A system and method for installing cable according to which the cable is disposed in conduit. In an exemplary embodiment, the cable is fiber optic cable.

Abstract: A system (10) for simultaneously introducing a cable (11) and another item (21) into a conduit (12) includes a pushing machine (13) and an air blower (15) which introduces the cable (11) into the conduit (12). The conduit (12) is split near the pushing machine (13) so that the item (21) may be attached to the cable (11) by means of an attachment device (25) carried by a bullet head (23) at the leading end of the cable (11). Alternatively, a projectible (35) may be attached to the leading end of the cable (11) and the item (21) may be attached at the junction of the cable (11) and projectile (35). A block (18) then connects the split ends (16, 17) of the conduit (12), and the cable (11) and other item (21) may then be moved together through the conduit (12) by the pushing machine (13) and air blower (15) which moves air against the projectile (35) to assist such movement.

Abstract: An apparatus and methods for pushing conductors into conduit and other structures are disclosed. The apparatus (“pusher”) can include rollers to apply a pushing force to one or more conductors or bundles of conductors. One or more rollers can be coupled to a drive mechanism. The pusher is configured to pull conductors or bundles of conductors off of one or more spools, and push the conductors or bundles of conductors without de-bundling or sorting the conductors. The conductors can be fed through the pusher in any format including side-by-side, vertical on top of one another, twisted together, or other formats. The pusher can include a guiding device that is configured to route the conductors from the pusher to a conduit through which the conductors are being pushed or pulled.

Abstract: A system (10) for simultaneously introducing a cable (11) and another item (21) into a conduit (12) includes a pushing machine (13) and an air blower (15) which introduces the cable (11) into the conduit (12). The conduit (12) is split near the pushing machine (13) so that the item (21) may be attached to the cable (11) by means of an attachment device (25) carried by a bullet head (23) at the leading end of the cable (11). A block (18) then connects the split ends (16, 17) of the conduit (12), and the cable (11) and other item (21) may then be moved together through the conduit (12) by the pushing machine (13) and air blower (15).

Abstract: An optical waveguide assembly is described that comprises a storage device having a housing (7) and a rotatable reel (2), configured for storing a flexible optical waveguide, wherein the reel (2) is coupled to a flexible optical waveguide unit (1) having an external diameter (D1) of at most 2 mm for winding and/or unwinding the waveguide unit (1).

Abstract: A method for laying an elongated element in a duct using a fluid injected under pressure through a fluid inlet in a pressure housing disposed at the elongated element inlet extremity of the duct. A mechanical drive placed before the pressure housing and the duct pushes the elongated element into the pressure housing and the duct. The method includes installing a first front end pulling pig at the front end of the elongated element and installing at least one subsequent pulling pig around the elongated element. The distance between each pulling pig is mainly constant. The method also includes applying the same maximum pressure drop to each pulling pig. The total pressure of the fluid injected being mainly equally shared by all the pulling pigs.

Abstract: A wire installation tool having a handle with a first opening for receiving a wire attached to a tube having a second opening for evacuating the wire. In one embodiment, the handle has a lip with external radius larger than that of the tube allowing the tube to be inserted in the drill hole of a structure with the handle engaging the structure. This configuration allows a technician to easily feed cabling through the drill hole in the inner wall of an existing structure. The tool is particularly useful for safely feeding wiring through a drill created through the first and second wallboards of an inside wall.

Abstract: A method, for use in connection with installing a cable into a conduit (4) having a first end and a second end (12), of detecting whether air is flowing from the first end to the second end, the method including the steps of: —providing a movement sensor (10) within or proximate to the conduit; —providing an air flow (14) into the conduit from the first end; and —detecting that the air is flowing to the second end when the air flow disrupt the movement sensor.

Abstract: A remote vacuum or pressure sealing apparatus and method for making a radiation tolerant, remotely prepared seal that maintains a vacuum or pressure tight seal throughout a wide temperature range. The remote sealing apparatus includes a fixed threaded sealing surface on an isolated system, a gasket, and an insert consisting of a plug with a protruding sample holder. An insert coupling device, provided for inserting samples within the isolated system, includes a threaded fastener for cooperating with the fixed threaded sealing surface on the isolated system. The insert coupling device includes a locating pin for azimuthal orientation, coupling pins, a tooted coaxial socket wrench, and an insert coupling actuator for actuating the coupling pins. The remote aspect of the sealing apparatus maintains the isolation of the system from the user's environment, safely preserving the user and the system from detrimental effect from each respectively.

Abstract: A portable hand-held lubricant atomizing device includes an inlet for receiving pressurized gas from a pressurized gas source. A flow control mechanism is associated with the inlet for controlling delivery of the pressurized gas. A lubricant tank includes a wire pulling lubricant. An atomizing chamber is provided in where a lubricant spray is produced using the wire pulling lubricant and pressurized gas. An outlet downstream of the atomizing chamber is sized to deliver the lubricant spray to an inner surface of an outer conduit.

Abstract: A pressure relief valve for blown fiber closures is provided having constituent components fabricated from plastic. An adaptor is provided for connection to a blown fiber closure, and a body welded to this adaptor, is provided to enclose a piston and a spring within, such that they are protected from the ingress of silt and water. The piston is arranged to provide a double seal such that a pressure relief valve plug and an opening in the enclosing body are closed or opened simultaneously to prevent the ingress of silt and/or water on the one hand and the unhindered escape of pressurized fluid on the other.

Abstract: Disclosed is an improved method and apparatus for installing a cable into cable guide tubing and the like. The method typically includes rotating a reel of cable guide tubing at least 360° while, using compressed gas, feeding a cable, such as a plurality of microducts, into the cable guide tubing. The related apparatus includes a cable injection unit and a rotation coupling unit to facilitate the installation of cable (e.g., microducts) into the rotating cable guide tubing.

Abstract: The laying device of a slender element in a tube comprises on the one hand an introduction cassette and on the other hand a driving body, these two elements being able to be mounted independently around the slender element to be laid, then joined to form said laying device. This makes installation of said device in a laying site easier.