The Furukawa Electric Co., Ltd.

Furukawa Automotive Systems Inc.

Oki Electric Industry Co., Ltd.

Oki Semiconductor Co., Ltd.

Satoshi Takamura

Yukihiro Kawamura

Takeshi Hyotani

Eiji Aramaki

Koichi Kitagawa

Takashi Tonoike

Saburo Yagi

Takeshi Yagi

Hiroaki Inoue

Yasuo Nakajima

Kengo Mitose

Takashi Shigematsu

Hideyuki Ikeda

Yasushi Kihara

Yoshikazu Kamei

Eiji Kozawa

Naoyuki Kojima

Takashi Oshino

Koichi Maeno

Katsunori Takeda

Takashi Kayahara

Keiko Chikazawa

Hidetoshi Okazaki

Sinji Satoh

Kouki Fukunaga

Providing an outer cover body for electrical wires that can improve the degree of freedom of design while preventing anisotropy in mechanical properties and also make it possible to form even a compact outer cover body for electrical wires. An outer cover body for electrical wires that is to be attached to the outer periphery of an electrical wire, the outer cover body for electrical wires being formed of a bent thermoplastic resin foam sheet having a density of not less than 200 Kg/mand not more than 700 Kg/m.

Outer cover body for electrical wires and outer-cover-body-attached wire harness

A glass fiber-reinforced polyolefin resin material, containing: a glass fiber; and a thermoplastic resin, wherein said thermoplastic resin contains: at least, a specific graft-modified polypropylene, wherein, with respect to the graft-modified polypropylene, each specific amounts of the glass fiber and a compound or polymer having an acid anhydride structure are contained, and wherein, in the content of a graft-modification component in the graft-modified polypropylene, the content of a component obtained from the (meth)acrylate containing an epoxy group is 0.5 or more and 10 or less parts by mass with respect to 100 parts by mass of said polypropylene, and a component obtained from the aromatic vinyl compound has a mass equal to or less than said component obtained from the (meth)acrylate; a composition for said resin material; a method of producing the same; and a composite.

Composition for a glass fiber-reinforced polyolefin resin material, glass fiber-reinforced polyolefin resin material and its production method, and composite

To provide a method and a device for manufacturing a connection structure () and a wire harness (). The connection structure connects an insulated wire () comprising a wire tip portion (), an insulating covering () being stripped from the tip thereof, to a crimp terminal () comprising a closed-barrel-type crimping portion () allowing crimp connection with the wire tip portion () and has stable conductivity by crimping an aluminum core wire () by the crimping portion (). The method comprises a carrier cutting step for separating crimp terminals () from a terminal connecting belt () comprising the crimp terminals () attached to a carrier () in a longitudinal direction, a wire insertion step for inserting wire tip portions () into the crimping portions () of the separated crimp terminals (), and a crimping step for crimping the crimping portions () with the inserted wire tip portions ().

Method of manufacturing connection structure, wire harness, and device for manufacturing connection structure

The terminal connection strip includes: a carrier formed in a strip shape; and a plurality of terminal fitting which project from at least one edge side of the carrier in a width direction. The terminal fitting includes a crimping section which connects by crimping at least a conductor tip of an insulated wire provided with the conductor tip where a conductor is covered with an insulating cover and the conductor is exposed by peeling off the insulating cover on a distal end side of the insulated wire to the terminal fitting. The crimping section is formed into a hollow shape which allows the insertion of at least the conductor tip from a proximal end side of the crimping section and allows the crimping section to surround the conductor tip.

Wire crimping device

A wire crimping device includes: a wire crimping unit which crimps a crimping section into which a wire tip is inserted from a wire insertion opening which opens on a proximal end side of the crimping section in a long length direction; and a guiding unit which guides a distal end portion of an aluminum lead line to the wire insertion opening of a female crimp terminal arranged at a predetermined position for being crimped by the wire crimping unit, wherein an inner diameter of an opposedly facing portion of the guiding unit which opposedly faces the wire insertion opening is set in conformity with an inner diameter of the wire insertion opening.

In a terminal connection method of inserting a wire tip of an insulated wire, which is formed by stripping a front end of an insulating cover to expose an aluminum core wire, into a pressure-bonding section of a female crimp terminal to pressure bond the insulated wire to the female crimp terminal via the pressure-bonding section, signs are formed on the outer circumferential face of an insulated tip of the insulating cover at a distance of an internal length of the pressure-bonding section from a conductor tip face of the conductor tip, and the wire tip is inserted up to the signs in the pressure-bonding section to pressure-bond the wire tip to the pressure-bonding section.

Insulated wire-terminal connection structure, wire harness, and insulated wire-terminal connection method

A cover stripping step of peeling off an insulating cover on a distal end side of an insulated wire to form a wire tip; a marking step of forming a marking on the insulating cover at a predetermined position; a first marking inspection step of inspecting a stripping state and the marking; a wire insertion step of inserting the wire tip into a closed-barrel-type pressure-bonding section; a pressure-bonding step of pressure-bonding the pressure-bonding section to be connected to the wire tip; and a second marking inspection step of inspecting a pressure-bonded state of the pressure-bonding section to the wire tip using the marking are performed in this order, and the first marking inspection step and the second marking inspection step are performed using the same inspection step part.

Method of manufacturing a connection structural body

Terminal connection strip, method of manufacturing crimp terminal, wire crimping device, and method of crimping wire

In a female crimp terminal including a pressure-bonding section for permitting pressure-bonding and connection to an aluminum core wire of an insulated wire, the pressure-bonding section is configured in a hollow sectional shape by a plate material, and a long length direction weld portion in a long length direction is welded, a forward part in the hollow sectional shape is caused to take an almost flat plate-shaped sealing shape and a width direction weld portion in a width direction is welded.

Crimp terminal, connection structural body and connector

There is provided a pressure-bonding connection structural body and a female connector which can surely prevent the intrusion of moisture from an insulating cover side, and a method of manufacturing the connection structural body. In the connection structural body which is configured by connecting a crimp terminal and an insulated wire to each other, the crimp terminal having a barrel portion which is an integral body formed of; a cover pressure-bonding section which pressure-bonds by caulking the insulating cover; and a core wire pressure-bonding section which pressure-bonds an aluminum core wire by caulking, a water blocking projecting portion which prevents the intrusion of moisture in a longitudinal direction in a pressure-bonding state is formed, at the time of pressure-bonding the barrel portion, on an inner surface of the cover pressure-bonding section of the barrel portion where a cross-sectional shape in a width direction is formed into a closed cross-sectional shape.

Connection structural body, connector and method of manufacturing connection structural body

A connecting structure is applied for connecting an electric wire and a terminal. For coating a connecting portion of a conductor of the electric wire and the terminal, which form a wire harness, with a coating resin, a portion of an insulator, which is to be inserted into a terminal insertion hole of a connector housing, is subjected to a diameter reduction process such that an outer diameter of the coating resin coated on the insulator is smaller than the terminal insertion hole.

Connecting structure, connecting device and connecting method for electric wire and terminal, and wire harness

An apparatus includes a polarity reversing section which generates a polarity reversing signal for the liquid crystal drive voltage; a liquid crystal driver which reverses the polarity of the liquid crystal drive voltage based on the polarity reversing signal to drive the liquid crystal display panel; a warning signal generation section which generates a warning signal indicating the polarity reverse before the polarity of the liquid crystal drive voltage is reversed; and a regulator section which controls a supply of the liquid crystal drive voltage in accordance with the warning signal.

Drive apparatus of liquid crystal display device

A FIFO section having a FIFO memory is provided between a memory control section and a CPU_I/F section in a path through which image data outputted from a CPU is written into the video memory. Data necessary for writing the image data is stored into the FIFO section and, based on the data stored in the FIFO section, the image data is stored into the video memory under the control of the memory control section. With this configuration, the CPU can output the image data without a wait time until the FIFO memory becomes full, and thus there is provided a liquid crystal display control device that does not lower the operation efficiency of the CPU.

Growing community of inventors

Shiga, Japan

Satoshi Takamura