Abstract: An insulated electric wire that has a superior water-stopping performance and has a configuration in which, even if water enters the insulated electric wire, the water is unlikely to stay inside the insulated electric wire, and a wire harness containing such an insulated electric wire. An insulated electric wire contains: an exposed portion in which an insulation covering is removed from the outer circumference of a conductor; in which the insulation covering covers the outer circumference of the conductor, and a water-stopping portion that is provided in an area extending from a part of the exposed portion to a part of the first covered portion, and in which gaps between the elemental wires constituting the conductor are filled with a water-stopping agent. A region of the second covered portion is a non-waterproof end that has a void between the elemental wires and/or between the conductor and the insulation covering.

Abstract: Provided is an insulated wire with bonding layer having excellent adhesive strength between an insulating coating layer and a bonding layer that is provided on the outside of the insulating coating layer. An insulated wire 1 with bonding layer includes: a conductor 2; an insulating coating layer 3 that covers an outer circumference of the conductor 2; and a bonding layer 4 that is provided on an outer side of the insulating coating layer 3 and is bonded by heat, wherein the insulating coating layer 3 contains polyvinyl chloride, and the bonding layer 4 contains a modified polyolefin resin and a polyamide resin.

Abstract: Provided is an insulated wire with bonding layer having a bonding layer with excellent adhesive strength on both an insulating coating layer and an adherend as an outer layer. An insulated wire 1 with bonding layer has a conductor 2, an insulating coating layer 3 covering an outer circumference of the conductor 2, and a bonding layer 4 provided on an outer side of the insulating coating layer and for bonding by heat, the bonding layer 4 containing (A) a modified polyolefin, and (B) one or more materials selected from a polyester resin and a polyester elastomer, and the bonding layer 4 containing 10 to 70 parts of the (B) component per 100 parts total of the (A) and (B) components.

Abstract: An insulated electric wire includes a conductor in which elemental wires made of a metal material are twisted together; and an insulation covering that covers an outer circumference of the conductor. The insulated electric wire includes: an exposed portion in which the insulation covering is removed from the outer circumference of the conductor; a covered portion in which the insulation covering covers the outer circumference of the conductor, the exposed portion and the covered portion being provided adjacent to each other in a longitudinal axis direction; and a water-stopping portion in which gaps between the elemental wires in the exposed portion are filled with a water-stopping agent. In an area enclosed by the surface of the water-stopping agent, the surface of the elemental wires is in contact with only the water-stopping agent or another elemental wire.

Abstract: It is aimed to provide an insulated wire capable of enhancing the flame retardancy thereof by a method other than a method for increasing a content of a flame retardant in an insulation coating. An insulated wire includes a wire conductor and an insulation coating made of a resin composition for covering an outer periphery of the wire conductor. A cross-sectional area ratio S defined as a ratio S2/S1 of a cross-sectional area S2 of the insulation coating to a conductor cross-sectional area S1 and an oxygen index OI of the resin composition constituting the insulation coating satisfy a relationship of S?OI?17.2.

Abstract: An insulated electric wire includes an insulating coating made of a resin composition, and a wire harness including the insulated electric wire. An insulated electric wire 10 includes an electric wire conductor 12, and an insulating coating 14 that coats the outer circumferential surface of the electric wire conductor 12, wherein the insulating coating 14 is made of a resin composition containing a thermoplastic polyester elastomer as a main component. Furthermore, a wire harness includes the insulated electric wire 10. The thickness of the insulating coating 14 is preferably less than 0.7 mm.

Abstract: An electric wire conductor includes a wire strand having a plurality of elemental wires twisted together. The wire strand includes a deformed part in which a cross-section of the wire strand intersecting an axial direction of the wire strand is formed into a flat shape in which a width of the cross section is larger than a height of the cross section, and an entire outer periphery of the cross section is formed as an outward curve. In the cross-section of the deformed part, the elemental wires have deformation ratios from a circle of 70% or lower at an outer peripheral part facing the outer periphery of the deformed part than at a center part located inside the outer peripheral part.

Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.

Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.

Abstract: Provided is an insulated electric wire with a conductor of a plurality of twisted elemental wires made of a conductive material, and an insulation covering. The wire comprises an exposed portion in which the insulation covering is removed, and a covered portion in which the insulation covering covers the conductor. The exposed portion and the covered portion are adjacent with each other along a longitudinal axis of the wire. The covered portion comprises an adjacent area located adjacent to the exposed portion, and a remote area located adjacent to the adjacent area and apart from the exposed portion. A density of the conductive material per unit length is higher in the exposed portion than in the remote area. The elemental wires are twisted in both the exposed portion and the remote area. Gaps between the elemental wires of the exposed portion are filled with a sealant.

Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.

Abstract: An insulated electric wire that includes a conductor having a plurality of twisted elemental wires made of a conductive material and an insulation covering that covers an outer surface of the conductor. The method includes a partial exposure step of forming an exposed portion in which the insulation covering is removed from the outer surface of the conductor, a density modification step of increasing spacing between elemental wires in the exposed portion, while increasing a density of the conductive material per unit length in the exposed portion, and a filling step of filling gaps between the elemental wires in the exposed portion with a sealant comprising an insulated material.

Abstract: A composition for an electric wire coating material containing polyvinyl chloride includes a plasticizer in an amount of 40 to 80 parts by mass with respect to 100 parts by mass of the polyvinyl chloride, and a polyester elastomer.

Abstract: Provided are an insulated electric wire including an insulating coating made of a resin composition with high wear resistance, and a wire harness including the insulated electric wire. An insulated electric wire 10 includes an electric wire conductor 12, and an insulating coating 14 that coats the outer circumferential surface of the electric wire conductor 12, wherein the insulating coating 14 is made of a resin composition containing a thermoplastic polyester elastomer as a main component. Furthermore, a wire harness includes the insulated electric wire 10. The thickness of the insulating coating 14 is preferably less than 0.7 mm.

Abstract: A wire harness includes: an electrical wire including a core wire and an insulating covering for covering the core wire; and a sheet material in which the electrical wire is disposed on a resin main surface, and a part of the main surface having contact with the electrical wire is thermally processed with the insulating covering of the electrical wire, thereby forming an electrical wire fixing part. A part of the sheet material including the electrical wire fixing part is softer than the insulating covering.

Abstract: An insulated electric wire having a water-stopped portion that is simple in configuration and can be formed by simple processes, including a conductor containing a plurality of twisted elemental wires made of conductive material, and an insulation covering covering an outer surface of the conductor. The wire contains an exposed portion wherein the covering is removed from the outer surface of the conductor, and a covered portion wherein the covering covers the outer surface of the conductor, with the exposed and covered portions arranged adjacently along a longitudinal axis of the insulated electric wire, where a density of the conductive material per unit length is higher in the exposed portion than in a remote area of the covered portion that is an area excluding an area adjacent to the exposed portion, and a sealant made of an insulated material fills gaps between the elemental wires of the exposed portion.

Abstract: An electric wire conductor 10A comprising a wire strand comprising a plurality of elemental wires 1 twisted together, the wire strand comprising a deformed part in which a cross-section of the wire strand intersecting an axial direction of the wire strand is formed into: a flat shape in which a width W of the cross-section is larger than a height H of the cross-section, or a sector shape comprising either a single edge or two edges touching each other at an apex and an outward curve connecting the ends of the single edge or the two edges, the elemental wires 1 having, in the cross-section of deformed part, deformation ratios from a circle of 70% or lower at an outer peripheral part facing an outer periphery of the deformed part than at a center part located inside the outer peripheral part. Further, a covered electric wire has such an electric wire conductor 10A and an insulator to cover an outer periphery of the electric wire conductor 10A. Furthermore, a wire harness includes such a covered electric wire.

Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires twisted together, and has a non-circular portion in which a cross section intersecting an axial direction of the wire strand has a non-circular shape. The cross section of the non-circular portion has a continuous vacancy capable of accommodating two or more of the elemental wires. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.

Abstract: An insulated electric wire having a water-stopped portion that is simple in configuration and can be formed by simple processes, including a conductor containing a plurality of twisted elemental wires made of conductive material, and an insulation covering covering an outer surface of the conductor. The wire contains an exposed portion wherein the covering is removed from the outer surface of the conductor, and a covered portion wherein the covering covers the outer surface of the conductor, with the exposed and covered portions arranged adjacently along a longitudinal axis of the insulated electric wire, where a density of the conductive material per unit length is higher in the exposed portion than in a remote area of the covered portion that is an area excluding an area adjacent to the exposed portion, and a sealant made of an insulated material fills gaps between the elemental wires of the exposed portion.

Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires twisted together, and has a non-circular portion in which a cross section intersecting an axial direction of the wire strand has a non-circular shape. The cross section of the non-circular portion has a continuous vacancy capable of accommodating two or more of the elemental wires. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.