A cable connecting structure includes three three-phase power cable pairs respectively including a pair of power cables that are mutually connected, three insulating rubber connecting tubes covering connecting sections of the three three-phase power cable pairs, respectively, a steel pipe accommodating portions of each of the three three-phase power cable pairs, and the three rubber connecting tubes, and a heat dissipation material. The heat dissipation material is provided between the steel pipe and each of the three rubber connecting tubes, and makes contact with the steel pipe and each of the three rubber connecting tubes. The heat dissipation material includes a heat dissipating metal that has a melting point lower than a melting point of the steel pipe.

A cable connecting structure includes three three-phase power cable pairs respectively including a pair of power cables that are mutually connected, three insulating rubber connecting tubes covering connecting sections of the three three-phase power cable pairs, respectively, a steel pipe accommodating portions of each of the three three-phase power cable pairs, and the three rubber connecting tubes, and a heat dissipation material. The heat dissipation material is provided between the steel pipe and each of the three rubber connecting tubes, and makes contact with the steel pipe and each of the three rubber connecting tubes. The heat dissipation material includes a heat dissipating metal that has a melting point lower than a melting point of the steel pipe.

A method of manufacturing hybrid cable applicable in oil wells provides an FIMT, a conductor layer formed by continuous laser welding and cylindrically covered the outer surface of the FIMT, the outer cylindrical surface of the conductor layer being covered with a high temperature resistant insulating layer by a continuous extrusion method or by wrapped helically with insulating tapes around the outer surface of the conductor layer and the external steel tube cylindrically covered the outer surface of the insulating layer. The conductor layer is coaxial with the FIMT, the inner space of the hybrid cable to accommodating excess length of the optical fiber to allow for thermal expansions and tensile stress on the optical cable. The thickness of the insulating layer cylindrically covering the outer surface of the conductor layer is able to be increased, improving the insulating property.

A shielded conductive path, including: a cylindrical shielding pipe that is in a state in which two semi-cylindrical members made of a metal material are joined together, and that is provided with a bend at a portion located in an axial direction; an electrical wire housed in the shielding pipe; a first weld that is provided only in a partial region of the shielding pipe that includes at least the bend in the axial direction, the first weld liquid-tightly joining the two semi-cylindrical members; and a second weld that is provided in all regions of the shielding pipe other than the first weld in the axial direction, the second weld liquid-tightly joining the two semi-cylindrical members, wherein a joining range of the second weld in a radial direction is narrower than a joining range of the first weld in the radial direction.

A hybrid cable applicable in oil wells is disclosed, comprising a FIMT, a conductor layer formed by continuous laser welding and cylindrically covered the outer surface of the FIMT, the outer cylindrical surface of the conductor layer being covered with a high temperature resistant insulating layer by a continuous extrusion method or by wrapped helically with insulating tapes around the outer surface of the conductor layer and the external steel tube cylindrically covered the outer surface of the insulating layer. The conductor layer is coaxial with the FIMT, the inner space of the hybrid cable to accommodating excess length of the optical fiber for thermal expansions or the tensile stress of the optical cable. The thickness of the insulating layer cylindrically covered the outer surface of the conductor layer can be increased, thereby improving the insulating property. A method of manufacturing such hybrid cable is disclosed.

A cable for use with an electronic device and including: an elongate cable housing formed of a protective material and surrounding one or more wires located along a length of the elongate cable; a first connector formed on a first end of the elongate cable housing and in electrical communication with the one or more wires within the elongate cable housing; a second connector formed on a second end of the elongate cable housing and in electrical communication with the one or more wires within the elongate cable housing; a magnet formed around one or more pins of one of the first connector and second connector; and an insert insertable into a port of the electronic device, wherein the insert is removably connected to the magnet and one or more pins of the one of the first connector and second connector for securing the cable to the electronic device.

A hybrid cable applicable in oil wells is disclosed, comprising a FIMT, a conductor layer formed by continuous laser welding and cylindrically covered the outer surface of the FIMT, the outer cylindrical surface of the conductor layer being covered with a high temperature resistant insulating layer by a continuous extrusion method or by wrapped helically with insulating tapes around the outer surface of the conductor layer and the external steel tube cylindrically covered the outer surface of the insulating layer. The conductor layer is coaxial with the FIMT, the inner space of the hybrid cable to accommodating excess length of the optical fiber for thermal expansions or the tensile stress of the optical cable. The thickness of the insulating layer cylindrically covered the outer surface of the conductor layer can be increased, thereby improving the insulating property. A method of manufacturing such hybrid cable is disclosed.

A method of manufacturing a submarine power cable, including: a) providing an insulation system around a conductor, the insulation system including an inner semiconducting layer arranged around the conductor, an insulation layer arranged around the inner semiconducting layer, and an outer semiconducting layer arranged around the insulation layer, b) arranging a metal sheath around the insulation system, and c) welding opposing edges of the metal sheath longitudinally by autogenous welding to form a metallic water-blocking layer around the insulation system, wherein the metal sheath consists of a copper material comprising at least 99 wt. % copper and at most 0.1 wt. % oxygen, or wherein the metal sheath consists of a stainless steel which has a chromium equivalent in a range of 16-25 and a nickel equivalent in a range of 11-22 according to a Schaeffler-DeLong constitutional diagram for which the chromium equivalent is calculated according to the formula % Cr+% Mo+1.5?% Si+0.5?% Nb and the nickel equivalent is calculated according to the formula % Ni+0.5?% Mn+30?(% C+% N).

The present invention provides a wireless charging cable, a wireless charging coil structure and a producing method thereof, and a wireless charging device. The wireless charging cable has a conductive wire, an alloy layer and an insulation layer. The alloy layer is electroplated on an outer surface of the conductive wire and composed of nickel and iron, the insulation layer is coated on an outer surface of the alloy layer, wherein a better range of the cable diameter of the wireless charging cable is between 0.1 and 0.5 mm. The wireless charging coil structure has a sewed object and a sewing wire material including the wireless charging cable. The sewing wire material is sewed on the sewed object, and the wireless charging cable is sewed to become a wireless charging coil.

A shielded extension cord device that is resistant to kinking, tangling, and damage includes an electrical cord, which comprises at least two conducting wires. A plug and a socket are attached to a first end and a second end of the electrical cord, respectively, so that the socket is electrically engaged to the plug. A sheath is positioned around the electrical cord and extends substantially between the plug and the socket. The sheath comprises a plurality of sections, the sections of which are pivotally interconnected and substantially rigid so that the sheath is bendable along its length but substantially incompressible along its diameter.