Flexible pipe body, a flexible pipe and a method of manufacturing pipe body are disclosed. The flexible pipe body comprises a tensile armour layer and a supporting layer radially outside, or radially inside, and in an abutting relationship with the tensile armour layer. The supporting layer comprises a helically wound constraining tape element and a helically wound electrically conductive tape element.

An aperiodically overlapping spiral-wrapped cable shield system includes a cable having cable components such as a pair of conductors, at least one insulator surrounding the pair of conductors, and at least one drain wire. The cable also includes a cable shield that is spirally wrapped around the cable components with a varying wrap pitch that provides a plurality of overlapping cable shield portions with varying overlap areas. When signals are transmitted using the cable components in the cable, the varying overlap areas of the plurality of overlapping cable shield portions create a plurality of varying LC circuits that are configured to generate a resonance that does not exceed a signal integrity resonance threshold for a signals.

A tool for mounting a set of helical rods around an elongated central core includes a pair of cartridges mounted opposite each other around the central core, so that the rods extend along the central core. Each cartridge has a first part comprising a through-hole for receiving one of the rods, and a second part comprising a through-hole for receiving another rod, the second part being movable with respect to the first part from an open position to a closed position. In the closed position, the parts form an annular body extending around a central opening for receiving the central core, the cartridge comprising a surface configured to engage with a driving wheel or a driving belt for transfer of torque to the cartridge. In the open position, a gap is provided between the parts so that the central opening is accessible from a position radially outside of the cartridge.

Methods and devices for producing reinforced 2212 multifilament superconducting wire with low aspect shape. More specifically, methods and devices for producing reinforced round or rectangular wire with reinforcement strips. Methods and devices for producing cable using the reinforced 2212 multifilament superconducting wire as well as for producing reinforced 2223 Silver tape-based cable.

Disclosed is a cable assembly including at least one conductor and a metal sheath disposed over the at least one conductor, the metal sheath including a continuous strip of metal having a plurality of revolutions. A first revolution of the plurality of revolutions may include a first section having a curved profile extending into an interior cavity of the metal sheath, and a second section extending from the first section, the second section extending along a lengthwise axis, wherein a length of the second section, along the lengthwise axis, is at least two times as large as a diameter of the first section when the metal sheath is in a linear configuration. The first revolution may further include a third section extending from the second section, the third section including a free end terminating within a recess defined by a curved profile of a first section of an adjacent revolution.

A fire-resistant coaxial cable is described in which the dielectric between the central conductor and outer coaxial conductor can ceramify under high heat. The dielectric is composed of a ceramifiable silicone rubber, such as that having a polysiloxane matrix with inorganic flux and refractory particles. An outer wrap of ceramic fiber yarn surrounds the outer conductor and continues to insulate it from the outside if a low smoke zero halogen jacket burns away. Embodiments include those with durable corrugated outer conductors or flexible braided outer conductors. Methods of testing and installation are described.

An electric power transmission cable comprises electric power conductors and a plurality of parallel spiralled armouring wires. The electric power transmission cable comprises along its length a first section (I), a second section (III) and a transition section (II). The transition section (II) is provided between the first section (I) and the second section (III). The plurality of parallel spiralled armouring wires in the first section (I) comprises or consists out of first armouring wires (121). The first armouring wires (121) are carbon steel wires comprising a metallic corrosion resistant coating. At least part of the plurality of parallel spiralling armouring wires in the second section (III) comprise austenitic steel wires (123). In the transition section (II), ends of first armouring wires (121) are individually welded to ends of austenitic steel wires (123) of the second section (III). The transition section (II) starts at the first weld (137) between a first armouring wire (121) and an austenitic steel wire (123). The transition section (II) ends at the last weld (130) between a first armouring wire (121) and an austenitic steel wire (123). The transition section (II) is at least 10 meter long.

An electric submersible pumping system cable is provided with a plurality of conductors. The electric submersible pumping system cable includes at least one central strength member which may be in the form of a central strength member bundle. The plurality of conductors may be in the form of a plurality of individually insulated conductors arranged about the central strength member. The electric submersible pumping system cable also may include a jacket layer disposed over the insulated conductors.

Systems, devices, and methods including a launch control box; a multi-pack launcher (MPL) box; and a cable connecting the launch control box and the MPL box, where the cable comprises: an outer jacket, a shielded braid, a first wire, a second wire, a third wire, and a fourth wire, where the first wire and the second wire are shielded by the shielded braid, where the third wire and the fourth wire are outside of the shielded braid, and where the third wire and the fourth wire act as an antenna.

Disclosed is a shielded communication cable containing a parallel electric cable containing a pair of insulated wires arranged parallel to each other without being twisted. The shielded communication cable exhibits excellent noise shieldability and hardly generates signal propagation time difference. The shielded communication cable contains a parallel electric cable containing a pair of insulated wires arranged parallel to each other. Each of the insulated wires contains a conductor and an insulation coating that covers the conductor. A braided shield containing elemental wires braided together and a film-shaped shield containing a metal film are arranged at an outer circumference of the parallel electric cable.