Yazaki Corporation

Satoru Yoshinaga

Yasufumi Otsuka

Kazuhiro Ohgushi

Hiroki Kondo

Kazushige Tajima

Katsuyoshi Kondoh

Takanori Suzuki

Kenichi Hanazaki

Hayato Ikeya

Yusuke Yoshikawa

Tomomi Hirota

Satoshi Yamano

Nobuhiro Tsuji

Toshiyuki Yamada

Daigo Matsuura

Rie Nakabayashi

Shuntaro Arai

A fastening structure includes a fastening member including a bolt and a plurality of fastened members that are fastened and fixed to the fastening member. Further, the bolt contains pure aluminum or an aluminum alloy. At least one fastened member of the plurality of fastened members contains pure aluminum or an aluminum alloy. Pure aluminum or an aluminum alloy of a screw portion of the bolt is brought into direct contact with pure aluminum or an aluminum alloy of at least one fastened member.

Fastening structure, aluminum wiring material, and method of manufacturing fastening structure

A compressed stranded conductor includes a central stranded wire having a plurality of conductive strands which are twisted together and an outer circumferential stranded wire having a plurality of conductive strands which are twisted together at an outer circumference of the central stranded wire. A composite stranded wire configured by the central stranded wire and the outer circumferential stranded wire is compressed, and an occupancy ratio of the composite stranded wire is 90.2% or more and 91.0% or less.

Compressed stranded conductor, method of manufacturing compressed stranded conductor, insulated electric wire, and wire harness

An aluminum-based composite material includes a plurality of coarse crystalline grains () of pure aluminum, and a plurality of fine crystalline grains () each having an aluminum matrix (), and a dispersion material () dispersed inside the aluminum matrix and formed by reacting a portion or all of an additive with aluminum in the aluminum matrix. The fine crystalline grains exist among the coarse crystalline grains, and the fine crystalline grains have crystalline grain diameters smaller than crystalline grain diameters of the coarse crystalline grains.

Aluminum-based composite material and method for producing the same

An aluminum-based composite material includes an aluminum parent phase, and stick-shaped or needle-shaped dispersive matter of aluminum carbide dispersed in the aluminum parent phase. A method of manufacturing the aluminum-based composite material includes a step of mixing aluminum powder having a purity of 99% by mass or higher with a stick-shaped or needle-shaped carbon material, and pressing and molding a resulting mixture, so as to prepare a compacted powder body. The manufacturing method further includes a step of heating the compacted powder body at 600C to 660C to react the carbon material with aluminum in the aluminum powder, so as to disperse the stick-shaped or needle-shaped dispersive matter of aluminum carbide in the aluminum parent phase.

Aluminum-based composite material and method of manufacturing the same

An aluminum based composite material includes an aluminum parent phase and dispersions dispersed in the aluminum parent phase and formed such that a portion or all of additives react with aluminum in the aluminum parent phase, an average particle diameter of the dispersions is 20 nm or less, a content of the dispersions is 0.25% by mass or more and 0.72% by mass or less in terms of carbon amount, and an interval between the dispersions adjacent to each other is 210 nm or less.

Aluminum based composite material, electric wire using the same, and manufacturing method of aluminum based composite material

A plated fiber that is obtained by applying a metal plating onto a fiber having an elongation percentage which is more than or equal to 1% and less than or equal to 10%. An elongation percentage of the metal plating is higher than the elongation percentage of the fiber. A carbon fiber wherein the surface oxygen amount as a value obtained by dividing an Opeak intensity measured by X-ray photoelectron spectroscopy by a Cpeak intensity measured by the spectroscopy is more than or equal to 0.097 and less than or equal to 0.138.

Plated fiber, carbon fiber, wire harness and plating method

A flex-resistant shielded composite cable includes a plurality of electric wires, a shielding layer and a tubular sheath. Each of the electric wires includes a conductor part which is composed of a twisted wire, which is formed by twisting a plurality of strands having a diameter of 0.05 mm or more and 0.12 mm or less, a nominal sectional area of the conductor being 8 sq or more, a covering part covering the conductor part. The shielding layer is formed of a braid formed by braiding plated fiber formed by performing metal-plating on anti-tension fiber and covers outer periphery of the plurality of electric wires. The tubular sheath is provided on the outer periphery of the shielding layer and made of an insulating resin.

Flex-resistant shielded composite cable and wire harness

Provided is a electroconductive resin body formed of fiber-reinforced resin including resin and a plurality of fiber strings formed of at least one selected from carbon fiber, high-strength fiber and glass fiber, the resin impregnating between the fiber strings, wherein the fiber strings are metal-plated. In the vehicle grounding structure, while the electroconductive resin body is used as a vehicle body, the minus terminals of vehicle-mounted devices VD and of a vehicle battery B are electrically connected to locations in the electroconductive resin body that have the metal-plated fiber strings arranged therein.

Electroconductive resin body and vehicle grounding structure

A shielded wire includes an electrical wire including a conductor portion and a covering portion, a shield braid in which electrically conductive wire members are braided, and which covers an outer circumference of the electrical wire, a tubular sheath disposed on an outer circumference of the shield braid and made of an insulating resin.

Shielded wire and wire harness

A method for producing an insulated electric wire comprises a first step of processing a copper alloy containing a tin and inevitable impurities into a fine wire having a diameter of 0.21 mm&#xb1;0.008 mm, the tin being 0.30 wt % or more and 0.39 wt % or less, a second step of annealing the fine wire obtained in the first step so as to refine the fine wire to have an extension coefficient of 10% or more and 25% or less and a tensile strength of 300 MPa or more and 400 MPa or less, and a third step of twisting the seven fine wires having undergone the second step with a twist pitch of 15 mm&#xb1;6 mm.

Method for producing insulated electric wire

A cable includes: a conductor including strands densely arranged, the strands including out most strands located at outermost parts of the conductor and inner side strand located on inner side of the outermost strands; and an insulation covering that covers the periphery of the conductor. The insulation covering is in surface contact with the outermost strands, and is provided in a manner such that gaps are provided between the insulation covering and the inner side strands. In the method for manufacturing the cable, a fluid resin having a viscosity of greater than or equal to 323.6 Pa&#xb7;sec at the point of extrusion is used, and the extrusion pressure of the resin is adjusted in a manner such that the insulation covering is in surface contact with the outermost strands and such that gaps are provided between the insulation covering and the inner side strands.

Cable and method for manufacturing the same

An electrical wire and an electrical wire with a terminal capable of diminishing the adjustment of a crimping height. There is provided an electrical wireincluding a conductor partthat is made of a precipitation strengthened copper alloy having a cross-sectional area of 0.13 sq in the ISO 6722 standard and is compressed, wherein the conductor parthas a rate of elongation of 7% or more, and a tensile strength of 500 MPa or more. In addition, the electrical conductivity of the conductor part is 70% IACS or more.

Electrical wire and electrical wire with terminal

An element wire, an electric wire including the element wire or the element wires, and a process for producing an element wire are provided, by which ductility of a core wire consisting of the element wires can be improved. The element wire is made of metal, at least one element wire being coated with an electrically insulating coating so as to constitute an electric wire. The crystal grains constituting the entire element wire are fine isometric grains. In the process for producing the element wire, an electrically conductive material is subjected to drawing so as to reduce a diameter of the material and subsequently subjected to successive bending along a longitudinal direction of the material.

Element wire, electric wire and process for producing element wire

The invention relates to an electrical wire and an electrical wire with a terminal capable of diminishing the adjustment of a crimping height. There is provided an electrical wireincluding a conductor partthat is made of a precipitation strengthened copper alloy having a cross-sectional area of 0.13 sq in the ISO 6722 standard and is compressed, wherein the conductor parthas a rate of elongation of 7% or more, and a tensile strength of 500 MPa or more. In addition, the electrical conductivity of the conductor part is 70% IACS or more.

A manufacturing method of an ultrafine wire including a conductor formed from a plurality of wire, the method comprising: twisting three wires into a twisted wires; and forming the conductor by compressing the twisted wires through a compressing hole of a compressing die after the twisting. A ratio of a cross section of the conductor after compressing to an area of the compressing hole is 80% to 83%.

Growing community of inventors

Susono, Japan

Satoru Yoshinaga