Abstract: Provided is a wire harness in which waterproofness of an exposed conductor portion can be ensured, and even when at least one of insulated wires is exposed to a high temperature, a rubber stopper of a waterproofing terminal can be kept from coming off. An outer peripheral surface of an exposed conductor portion where partially exposed conductors of a plurality of insulated wires are joined together, and outer peripheral surfaces of coating material end portions adjacent to the exposed conductor portion, is continuously covered with a waterproofing agent. A gap between adjacent insulated wires is sealed with the waterproofing agent at the coating material end portions adjacent to the exposed conductor portion. At least one insulated wire of the plurality of insulated wires has a flow path through which gas flows, the flow path being created in gaps between strands that constitute a conductor of the insulated wire.

Abstract: Provided is a composite material molded article including soft magnetic powder and resin containing the soft magnetic powder in a dispersed state. The composite material molded article is provided with a roughened region having an arithmetic average roughness Ra of 3.0 ?m or more on at least a portion of its surfaces.

Abstract: A wire harness can ensure waterproofness of an exposed conductor portion, and even when at least one of insulated wires is exposed to a high temperature, can suppress loosening of a rubber stopper of a waterproofing terminal. An outer periphery of a region containing an exposed conductor portion and coating material end portions is continuously covered with a protective film. At each of the coating material end portions, a gap between a coating material and the protective film covering the coating material is sealed with a waterproofing agent. At least one insulated wire has a flow path through which gas flows, the flow path being created in gaps between strands that constitute a conductor of the insulated wire and reaching from a coating material end portion opposite to the coating material end portion adjacent to the exposed conductor portion to a splice portion.

Abstract: Provided is a wire harness in which waterproofness of an exposed conductor portion can be ensured, and even when at least one of insulated wires is exposed to a high temperature, a rubber stopper of a waterproofing terminal can be kept from coming off. An outer peripheral surface of an exposed conductor portion where partially exposed conductors of a plurality of insulated wires are joined together, and outer peripheral surfaces of coating material end portions adjacent to the exposed conductor portion, is continuously covered with a waterproofing agent. A gap between adjacent insulated wires is sealed with the waterproofing agent at the coating material end portions adjacent to the exposed conductor portion. At least one insulated wire of the plurality of insulated wires has a flow path through which gas flows, the flow path being created in gaps between strands that constitute a conductor of the insulated wire.

Abstract: A composite material molded article that includes soft magnetic powder; and resin containing the soft magnetic powder in a dispersed state, wherein when the composite material molded article is divided into nine portions in total such that, out of surfaces of the composite material molded article, an interlinkage surface that intersects a magnetic flux excited in the composite material molded article is equally divided into three portions in a vertical direction and three portions in a horizontal direction, in these portions, a density decrease ratio Dd of a density of a portion having a minimum density Dmin to a density of a portion having a maximum density Dmax, namely {(Dmax?Dmin)/Dmax}×100, is 1.2% or less.

Abstract: Provided is a reactor that can be manufactured without holding an assembly when the assembly is fixed to a mounting plate via a bonding layer. The reactor includes a coil, a magnetic core, an interposed insulating member, a metal mounting plate, and a bonding layer. The interposed insulating member is provided with an inwardly interposed portion, a first interposed end face portion, and a second interposed end face portion. The interposed insulating member is obtained by combining a plurality of divided pieces that includes a divided piece having the first interposed end face portion, and a divided piece having the second interposed end face portion. The divided pieces are respectively provided with engaging portions that engage with each other, and the first interposed end face portion and the second interposed end face portion are each provided with a leg piece that separates the coil from the mounting plate.

Abstract: A reactor including: a coil that includes a winding portion that is constituted by a plurality of turns formed by spirally winding a winding wire; a magnetic core that includes a portion that is located in the winding portion; a casing that houses a combined body that includes the coil and the magnetic core; and a filling material that contains resin and fills the casing, wherein the winding portion includes an exposed portion that protrudes from an opening edge of the casing, the filling material includes an embedding portion in which a portion of the combined body is embedded and that has a surface located below or at the same level as the opening edge of the casing, and turn interposed portions that are interposed between the turns in the exposed portion, and surfaces of the turn interposed portions are located above a surface of the embedding portion.

Abstract: Provided is soft magnetic powder constituted by an Fe alloy containing Si, in which soft magnetic particles of the soft magnetic powder include a SiO2 layer formed on a surface of the particles, and a surface layer formed directly on the SiO2 layer. The surface layer includes a first material that constitutes a matrix and a second material that is dispersed in the matrix. The first material is silicone or phosphate, and the second material is silicone or phosphate and is different from the first material.

Abstract: Provided is a composite material molded article including soft magnetic powder and resin containing the soft magnetic powder in a dispersed state. The composite material molded article includes a parting line corresponding to a parting surface of a mold for molding the composite material molded article, and an inner core portion to be arranged inside a coil. A peripheral surface includes surfaces along a circumferential direction of a magnetic flux excited in the inner core portion by the coil, and the parting line is formed to split a peripheral direction of the peripheral surface.

Abstract: A reactor including: a coil that includes a winding portion; a magnetic core that includes an inner core portion that is located inside the winding portion and an outer core portion that is located outside the winding portion; an inner interposed member that is interposed between an inner surface of the winding portion and the inner core portion; and an end surface interposed member that is interposed between an end surface of the winding portion and the outer core portion. The inner interposed member is provided with first positioning portions that engage with the end surface interposed member and are located so as to respectively face a first pair of surfaces of the outer core portion to position the outer core portion, the first pair of surfaces being composed of a pair of surfaces that face each other.

Abstract: A seal structure of a battery pack includes a tray for storing a battery cell therein, a cover covering the tray, and a gasket pressure contacted with a seal surface of the tray and a seal surface of the cover so as to close a clearance between the seal surfaces. The gasket is held at a position different from positions of the seal surfaces.

Abstract: Provided is a coated optical fiber excellent in both characteristics of the microbending loss resistance and the low-temperature characteristic. The coated optical fiber 1 comprises an optical fiber 10 that has a cladding layer composed of glass formed on an outer periphery of a glass core, a primary coating layer 20 that coats an outer periphery of the optical fiber 10, and a secondary coating layer 30 that coats an outer periphery of the primary coating layer 20, wherein the primary coating layer 20 has a Young's modulus of 1.2 MPa or less, the secondary coating layer 30 has a Young's modulus of 700 MPa or more, and the primary coating layer 20 contains tin in a content of 70 ppm or less.

Abstract: Provided is a reactor that can be manufactured without holding an assembly when the assembly is fixed to a mounting plate via a bonding layer. The reactor includes a coil, a magnetic core, an interposed insulating member, a metal mounting plate, and a bonding layer. The interposed insulating member is provided with an inwardly interposed portion, a first interposed end face portion, and a second interposed end face portion. The interposed insulating member is obtained by combining a plurality of divided pieces that includes a divided piece having the first interposed end face portion, and a divided piece having the second interposed end face portion. The divided pieces are respectively provided with engaging portions that engage with each other, and the first interposed end face portion and the second interposed end face portion are each provided with a leg piece that separates the coil from the mounting plate.

Abstract: A coated glass fiber 1 comprising a glass fiber 10 and one or more coating layers each composed of an ultraviolet curable resin on the outer circumference of the glass fiber 10, wherein the ultraviolet curable resin constituting at least one of the coating layers is formed of an ultraviolet curable coating material containing a silane coupling agent and a photoacid generator. The coated optical fiber 1 coated optical fiber having a high dynamic fatigue coefficient since adhesion between the surface of the glass fiber and the resin coating layer is satisfactory.

Abstract: A seal structure of a battery pack includes a tray for storing a battery cell therein, a cover covering the tray, and a gasket pressure contacted with a seal surface of the tray and a seal surface of the cover so as to close a clearance between the seal surfaces. The gasket is held at a position different from positions of the seal surfaces.

Abstract: Provided is an anticorrosive containing a curable resin composition and that has a high anticorrosive capability and a good adhesion to an oily surface, and a terminal-attached covered electric wire and a wiring harness using the anticorrosive. The terminal-attached covered electric wire has a contact portion where a wire conductor of a covered electric wire and a connection terminal contact each other. The contact portion is covered with the anticorrosive. The wiring harness contains the terminal-attached covered electric wire.

Abstract: A coated glass fiber 1 comprising a glass fiber 10 and a resin coating layer containing an inner layer 20 and an outer layer 30 provided on the outer circumference of the glass fiber 10, wherein the resin constituting the inner layer 20 is formed by curing a urethane-based ultraviolet curable resin composition containing a surfactant in an amount of 0.1 to 1.0% by weight and Young's modulus thereof is from 0.3 to 10 MPa. The coated optical fiber has a good water immersion resistance.

Abstract: A coated optical fiber 1 comprising a glass fiber 10 and a primary coating layer 20 on the outer circumference of the glass fiber 10, wherein a resin constituting the primary coating layer 20 contains ingredient(s) having a molecular weight of more than 1,000, which is extracted with methyl ethyl ketone, in an amount of 5% by weight or more and 21% by weight or less and has a Young's modulus of 0.2 to 1.0 MPa. The resin constituting the primary coating layer 20 of the coated optical fiber 1 has a good curability, and the coated optical fiber 1 exhibits a reduced microbending loss.

Abstract: Provided is a coated optical fiber excellent in both characteristics of the microbending loss resistance and the low-temperature characteristic. The coated optical fiber 1 comprises an optical fiber 10 that has a cladding layer composed of glass formed on an outer periphery of a glass core, a primary coating layer 20 that coats an outer periphery of the optical fiber 10, and a secondary coating layer 30 that coats an outer periphery of the primary coating layer 20, wherein the primary coating layer 20 has a Young's modulus of 1.2 MPa or less, the secondary coating layer 30 has a Young's modulus of 700 MPa or more, and the primary coating layer 20 contains tin in a content of 70 ppm or less.

Abstract: A method of manufacturing an optical fiber includes a first step of drawing an optical fiber preform into a glass fiber and disposing a fiber coating on the outer circumference of the glass fiber to form a parent optical fiber; a second step of cutting the parent optical fiber into a plurality of individual optical fibers; a third step of determining, at, at least, one spot of the parent optical fiber, a failure strength F1 and a failure time T; a fourth step of determining a failure strength F2 of each of the individual optical fibers; and a fifth step of selecting an optical fiber having a failure strength F2 of 5.5 kgf or more from the individual optical fibers cut from the parent optical fiber whose failure strength F1 and failure time T satisfy the inequality T>2.6×10?11×exp(4.736×F1).