H01B7/292

Thermal sleeve with positioning member, assembly therewith and method of construction thereof
10840681 · 2020-11-17 · ·

A thermal sleeve for protecting an electronic member connected to a wiring harness against exposure to heat has a tubular member including an inner layer of insulative material and an outer layer of reflective material. The tubular member extends along a central longitudinal axis between opposite open ends. A plurality of slits extends lengthwise through one of the ends to form a plurality of fingers. The fingers are plastically deformed to extend radially inwardly toward the central longitudinal axis and form an opening for receipt of the wiring harness therethrough.

High temperature resistant colored, especially orange colored adhesive tape as well as method and carriers for the manufacture thereof and wiring harness with such an adhesive tape

An orange-colored adhesive tape (1) a cable-wrapping tape, including a colored textile substrate (4, 4a, 4b) and an adhesive layer (5, 5a, 5b) applied at least to one side of the substrate (4, 4a, 4b). The substrate (4, 4a, 4b) contains at least one red and at least one further colorant. In order to improve colored tapes of the above-mentioned type, in particular providing increased temperature stability, while maintaining advantageous usage properties, at least one of the colorants contains a disazo compound or is completely formed therefrom. A method and a substrate (4, 4a, 4b) for manufacturing the adhesive tape (1) as well as a cable harness (3) with the adhesive tape (1) are also described.

Thermocouple Termination/Closure and Method
20200348185 · 2020-11-05 ·

Aspects of this disclosure relate to a sheath closure for a dual-wall mineral insulated thermocouple cable. The new closure and methods are required to maintain the integrity of both the inner and outer sheaths or inner and outer walls of a dual-walled thermocouple design. As the inner and outer sheaths are different materials, they may require closure separately with no mixing of the sheathing materials during welding.

Endothermic fireproof cladding material for electric cables

An endothermic fireproof cladding material for electric cables, a cross-sectional structure of which is a two-layer or three-layer laminated composite structure in an integrated structure by coating, and one of the laminated structures has a fireproof fiber mesh cloth having a thickness of 0.03 mm to 0.24 mm as a coating and coating substrate. The fireproof fiber mesh cloth is selected from one of a glass fiber, a carbon fiber, a polyacrylonitrile (PAN) oxidized fiber, a ceramic fiber, a water-soluble alkaline earth fiber and an aromatic polyamide fiber.

METHOD FOR MANUFACTURING HYBRID CABLE
20200341226 · 2020-10-29 ·

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.

Thermal sleeve with reflective positioning member, assembly therewith and method of construction thereof
10807341 · 2020-10-20 · ·

A thermal sleeve for protecting an electronic member connected to a wiring harness against exposure to heat, combination thereof, and method of construction thereof is provided. The thermal sleeve has a tubular member including a circumferentially continuous wall with an insulative inner layer bounding an inner cavity extending along a central longitudinal axis between open opposite ends and a reflective outer layer. The sleeve further includes a positioning member constructed of resilient, reflective metal material. The positioning member has a tubular portion and at least one resilient finger extending radially inwardly from the tubular portion for abutment with the wiring harness. The tubular portion is fixedly attached to one of the opposite ends of the wall of the tubular member.

INSULATED WIRE

An insulated wire includes: a copper alloy conductor; and at least one resin layer directly or indirectly coated on an outer peripheral face of the copper alloy conductor, in which the copper alloy conductor has a composition where a total content of metal components selected from Al, Be, Cd, Mg, Pb, Ni, P, Sn, and Cr is from 0.1 to 2.0 ppm and content of copper is 99.96 mass % or higher, and has a specific texture where an average orientation density in an area where 2=0 degrees, 1=0 degrees, and =from 0 degrees to 90 degrees is from 3.0 to less than 35.0, and a maximum orientation density in an area where 2=35 degrees, 1=from 45 degrees to 55 degrees, and =from 65 degrees to 80 degrees is from 1.0 to less than 30.0.

ENDOTHERMIC FIREPROOF CLADDING MATERIAL FOR ELECTRIC CABLES
20200328010 · 2020-10-15 ·

An endothermic fireproof cladding material for electric cables, a cross-sectional structure of which is a two-layer or three-layer laminated composite structure in an integrated structure by coating, and one of the laminated structures has a fireproof fiber mesh cloth having a thickness of 0.03 mm to 0.24 mm as a coating and coating substrate. The fireproof fiber mesh cloth is selected from one of a glass fiber, a carbon fiber, a polyacrylonitrile (PAN) oxidized fiber, a ceramic fiber, a water-soluble alkaline earth fiber and an aromatic polyamide fiber.

Radiation and heat resistant cables

A cable intended for use in a nuclear environment includes one or more conductors, a longitudinally applied corrugated shield surrounding the one or more conductors, and a cross-linked polyolefin jacket layer surrounding the longitudinally applied corrugated shield. The cable conducts about 5,000 volts to about 68,000 volts in use and is radiation resistant and heat resistant. The cable comprises a life span of about 40 years or more when measured in accordance with IEEE 323. Methods for making a cable and a nuclear reactor utilizing such a cable are also provided.

METHOD OF MANUFACTURING ELECTRICAL CABLE, AND RESULTING PRODUCT, WITH REDUCED REQUIRED INSTALLATION PULLING FORCE

Disclosed are cable types, including a type THHN cable, the cable types having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a material containing nylon or thermosetting resin. A silicone based pulling lubricant for said cable, or alternatively, erucamide or stearyl erucamide for small cable gauge wire, is incorporated, by alternate methods, with the resin material from which the outer sheath is extruded, and is effective to reduce the required pulling force between the formed cable and a conduit during installation.