Yazaki Corporation

Toyota Jidosha Kabushiki Kaisha

Fujitsu Ten Limited

Nagasaki University

Fujitsu Ten Kabushiki Kaisha

Kiyoshi Yagi

Takeshi Kamata

Keigo Sugimura

Shigeharu Suzuki

Makoto Katsumata

Seiichi Wakabayashi

Sei Saito

Hitoshi Ushijima

Masahiro Kanda

Takao Fukuma

Toshio Takaoka

Keisuke Tsukamoto

Minoru Takahashi

Toshiaki Kanno

Hirofumi Yamasaki

Setsujiro Hashimoto

Hiroshi Suzuki

Kazuhisa Mogi

Tatsuo Teratani

Junji Takahashi

Masumi Nagasaka

Masaki Hitotsuya

Tetsuya Tada

Akira Miyazaki

Toshio Inada

Hiroshi Arita

Makoto Egashira

Kouji Iwamoto

Hajime Minamikata

Shuichi Kimura

Akira Ikezoe

Izumi Nomura

Tekeshi Kamata

Takeshi Fukazawa

Shinichi Watanabe

Motoaki Iio

Koji Kodama

Motoaki Iino

The present invention provides a marking ink for a covered electrical conductor utilized for a wire harness of a motor vehicle. The marking ink is printed on the covered conductor formed with polyolefin such as polyethylene and provides a high adherence (coloring), high wear resistance, high productivity, fast drying, and moderate spreading. The marking ink for the covered electrical conductor contains an acrylate resin with molecular weight of 10,500-93,000.

Marking ink for covered electrical conductor

An object of the present invention is to provide an apparatus and a method for injecting assuredly a given amount of a coloring agent to an outer surface of an electric wire and coloring it. An apparatus for coloring an electric wireincludes coloring nozzles. The coloring nozzleseach has a solenoid valveto inject or stop injection of a coloring agent to an outer surfaceof an electric wire by opening or closing the solenoid valve. A spike voltage is applied to a coilof the solenoid valvewhen the coloring agent is injected. The spike voltage is a voltage applied to the coilwhich is necessary to open the solenoid valve. The spike voltage is applied to the coilto open the solenoid valveand stopped after a given period of time.

Apparatus for coloring electric wire and method thereof

A method and device for automatically marking an article are provided, by which the deterioration in the yield can be prevented from occurring and a color of a mark to be formed on the article can be easily changed. A devicefor automatically marking an electric wire as a device for automatically marking an article marks an outer surfaceof an electric wire. The deviceincludes first and second spouting means, encoderand control device. The first spouting meansspouts a specific amount of a first coloring agent toward the outer surfaceof the electric wire. The second spouting meansspouts a specific amount of a second coloring agent toward the outer surfaceof the electric wire. The encoderdetects a transfer speed of the electric wirewhich is transferred in a direction of arrow K. The control devicemakes the first and second spouting meansspout the coloring agent according to a pattern predetermined in advance in response to the transfer speed of the wiredetected by the encoder

Method of automatically marking article and automatic marking device

A coloring apparatus for coloring an electric wire colors the wire spouts a liquid coloring agent, including a coloring material and a solvent, toward an outer surface of the wire with a specific amount thereof at a time. The coloring apparatus includes a coloring agent supply source for receiving the coloring agent, a coloring nozzle and a heater. The coloring nozzle spouts the coloring agent of the coloring agent supply source. The heater includes a heating bath and a hot air inlet. The heating bath receives the coloring nozzle. The heating bath allows the coloring nozzle to spout the coloring agent. The hot air inlet supplies hot air into the heating bath to heat the coloring agent supply source. The heater heats the coloring agent to a range lower than a boiling point of the solvent by the hot air inlet supplying the hot air into the heating bath.

Method and apparatus for coloring electric wire

A coloring apparatusincludes a coloring nozzlefor spouting a coloring material, a signal generator, and a controller. The coloring nozzleincludes an electromagnetic valve. The signal generatoroutputs signals for spouting the coloring material from the coloring nozzleto both a CPUof the controllerand a driving circuit. The CPUoutputs a signal for keeping the electromagnetic valveopen to the driving circuitwhen a frequency of the signals from the signal generatoris higher than a specific frequency. When at least one of the signals from the CPUand the signal generatoris inputted, the driving circuitapplies a spike voltage A and then applies a hold voltage B to a coil. While at least one of the signals from the CPUand the signal generatoris inputted, the driving circuitapplies a spike voltage A and then continuously applies a hold voltage B to a coil

Driving method of electromagnetic valve, electromagnetic valve driving unit and apparatus for coloring electric wire

Provided is an order-receiving production system and so on of a wire and wiring harness, by which the cost of the wire and a product using the wire can be prevented from increasing and the resource-saving can be attained. An order-receiving production systemof a wiring harness includes a wire-producing department, a wiring harness-assembling departmentand a production control department. The production control departmentforwards a first ordered quantity data D, second ordered quantity data Dand third ordered quantity data D, each data meeting the received ordered data D, to a resin-producing department, core wire-producing departmentand additive-producing department, respectively. The departmentsandproduce a pellet, core wire and additive with the respective necessary amount, respectively, and send them to the wire-producing department. The wire-producing departmentextrudes a mixture of the pellets and additive onto a circumference of the core wire while simultaneously mixing the pellets and additive so that the core wire is coated with the mixture, and sends the wire produced to the wiring harness-assembling departmentfor assembling a wiring harness.

Wire and wire harness order reception and production system

An electrical cable coating method provides a coating layer on an outer surface of an electrical cable which is moving along a predetermined direction. The method involves utilizing a coating liquid jet unit to jet a given amount of a coating liquid at regular intervals to provide a coating layer on the outer surface of the electrical cable, utilizing a storage device to store a pattern for depositing the coating liquid on the outer surface of the electrical cable, utilizing a detection device to determine the moving speed of the electrical cable, and utilizing a control unit to control the coating liquid jet unit to jet a coating liquid to deposit the coating liquid on the outer surface to define the pattern based on the electrical cable moving speed.

Method for coating electrical cable

An object of the present invention is to provide a method and an apparatus for marking an electric wire at a low cost. An apparatusfor marking an electric wire forms a band markon a part of an outer faceof the electric wire. The band markis formed along the entire circumference of the part of the outer faceof the electric wire. The marking apparatustightens the electric wirein a state where a tensile force is applied in a longitudinal direction. The marking apparatusincludes a nozzlefor injecting coloring agent toward an uppermost positionof the outer faceof the electric wire. The nozzlehas an open endwhich is opposed to the electric wireand capable of passing the coloring agent. A straight line L extending between a center Cof the open endand a center Cof the electric wirelies along a vertical direction.

Method and apparatus for marking electric wire

A method and a system of manufacturing electric wires by ordering, possible to save the cost and materials, is provided. A system includes an order-receiving section, a manufacturing section and a coloring/cutting section. The order-receiving section receives orders of electric wires, and outputs a first datum of amount of electric wires DT, informing a length of a monochromatic electric wire, and outputs a second datum of amount of electric wires DT, informing lengths for respective colors of electric wires. The manufacturing section manufactures a monochromatic electric wire according to the first datum DTand conveys the electric wire to the coloring/cutting section. The coloring/cutting section colors and cuts the electric wire according to the second datum DT

Method for order receipt production of electric wire and its order receipt production system

A flame retardant is provided which has excellent dispersibility in resin ingredients and can give flame-retardant resin moldings excellent in flame retardancy and mechanical properties. The flame retardant comprises magnesium hydroxide particles, a higher fatty acid, preferably stearic acid, bonded to part of the surface of the magnesium hydroxide particles, and a silicone oil having reactivity bonded to that surface part of the magnesium hydroxide particles which does not have the higher fatty acid bonded thereto.

Flame retardant

Covered wires easily distinguished from each other on a low cost and a method of distinguishing the covered wires are provided. The first covered wire () has a core () and a cover portion (). An outer surface () of the cover portion () is unicolor (P). The first mark () and the second mark () are disposed with a gap on the outer surface () along lengthwise of the first covered wire (). The first mark () is colored with the first color (R). The second mark () is colored with the first color (G). The first covered wires () can be distinguished by properly selecting the first color (R) and the second color (G).

Cable and cable identificating method

The present invention provides electrical cables that can be surely discriminated from one another, even when only a part of an outer surface of each cable is exposed. An electrical cablehas an electrically conductive coreand a sheathing layercovering the core. The sheathing layerhas an outer surfacewith a mono-color. On the outer surface, a first markand a second markare provided. At an endof the cable, the first markis provided on a first outer surfacewhile the second markis provided on a second outer surfacepositioned oppositely to the first surfaceof the sheathing layer. On the first outer surface, a plurality of the first and second marksare provided to be alternately positioned in a longitudinal direction of the cable. The first markhas a first color R while the second markhas a second color G different from the first color R. Desirable variation in hue of the first and second colors R, G allows discrimination of the cablesfrom each other.

Electric wire

This invention intends to provide a method and apparatus for manufacturing an electric wire, capable of easily changing a color applied to the electric wire. The electric wire manufacturing apparatus intends to manufacture an electric wire composed of a core and a cladding. In step S, the core is supplied from a supply unit. In step S, in an extrusion cladding unit, the outer periphery of the core is coated with non-color synthetic resin by extrusion cladding to form the cladding. In step S, the outer surface of the cladding is colored by a coloring unit. The coloring unit includes a plurality of sprayersand. In step S, the sprayersandare exchanged to operate as necessary. In step S, in a take-up unit, the electric wire is cut into segments each having a desired length, which are wound around a drum.

Wire manufacturing method wire manufacturing apparatus and wire

The invention provides an electrical cable reuse method which reduces a long time stock of cables. For assembling a wiring harness, step Sreuses special electrical cables stocked in an electrical cable storehouse, and the cables having been colored in a first color are coated with a second color. Stepcuts ordinary cables and special cables each in a desired length, removes a part of a cable sheath of each cable, and fits a terminal piece to the exposed part. Stepconnects ordinary cables and the special cables with each other. Stepinserts the terminal piece into a connector housing.

Wire recycling method

A wiring harness manufacturing method and a wiring harness manufacturing apparatus is provided, wherein manufacturing costs of a wiring harness is reduced. The wiring harness manufacturing apparatus () has a pair of wire stocking units (), a pair of cutting units (), a pair of joining units (), and a case insertion unit (). Painting devices () are attached to one wire stocking unit (). Painting devices () are attached to one cutting unit (). Painting devices () are attached to one joining unit (). The painting devices () color the electric wire.

Growing community of inventors

Shizuoka, Japan

Kiyoshi Yagi