Yazaki Corporation

Yasaki Corporation

Sanae Kato

Keiichi Ozaki

Akira Sugiyama

Kazuhiko Takada

Kouichi Uezono

Nobuyuki Asakura

Mineo Takahashi

Kei Sato

Shinya Warashina

Yoshimi Masuda

An aluminum electric wire crimping terminal formed by connecting an aluminum electric wire and a crimping terminal includes a low compression concave portion and a high compression concave portion in a crimping portion. The high compression concave portion compresses a plurality of core wires with a stronger compression force than a compression force of the low compression concave portion.

Aluminum electric wire crimping terminal, crimping device and crimping method

A method for manufacturing a linkage terminal mounted in a housing of a joint connector is disclosed. The method comprises a step of providing first and second terminal elements. Each terminal element includes a strip-shaped carrier and terminals integral with the carrier. The terminals are arranged at equal intervals along a longitudinal direction of the carrier and extend generally perpendicularly from the carrier. The carrier is wound in a reel. The method further comprises a step of unwinding the reel and shifting the first and second terminal elements relative to each other in the longitudinal directions of the carriers to stack the first and second terminal elements. The method further comprises a steps of welding the carriers of the first and second terminal elements intermittently along the longitudinal directions of the carriers.

Method for manufacturing linkage terminal

A wire-circuit sheet includes: a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes , and at least on cutting hole to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method include: a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface. Moreover, in an electric junction box utilizing the wire-circuit sheet, a busbar-wire connecting method includes the steps of: forming insertion holes through a cover in order to insert and fix busbar-tabs as terminals; inserting the busbar-tabs as terminals into the insertion holes in the cover; mounting a wire-circuit sheet at a predetermined position on the cover; and using the busbar-tabs as welding electrodes to weld the wires and the busbar-tabs together to connect them in a conductive state.

Wire-circuit sheet and electric junction box thereof

A wire-circuit sheet includes; a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes, and at least one cutting hole to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method include; a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting of holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface. Moreover, in an electric junction box utilizing the wire-circuit sheet, a busbar-wire connecting method includes the steps of: forming insertion holes through a cover in order to insert and fix busbar-tabs as terminals; inserting the busbar-tabs as terminals into the insertion holes in the cover; mounting a wire-circuit sheet at a predetermined position on the cover; And using the busbar-tabs as welding electrodes to weld the wires and the busbar-tabs together to connect them in a conductive state.

Wire-circuit sheet manufacturing method

A covered wire waterproof connection structure including wire members which are conductively connected at a connection portion and resin material which covers around the connection portion. At least one of the wire members comprises a covered wire having a conductive wire portion including plural wire cores between which gaps are formed, and a cover portion formed by coating resin around an outer periphery of the conductive wire portion. The resin material is filled into all of the gaps at a portion of the conductive wire portion.

Waterproof covered wire connection

An apparatus and method for making harnesses containing press-inserted contacts is disclosed in which connectors of the concerned type can be automatically connected to one or more other connectors by wires of the same or of varying lengths and wherein connectors of diverse forms and various layouts can be utilized. A plurality of tables adapted to carry wire-receiving connectors are arranged to be selectively relatively movable with respect to each other, including movement in a transverse direction. Wire is supplied to the connectors by selectively operable wire metering rollers and press-insertion blades associated with the respective tables operate to press-insert the supplied wires for electrical contact with the respective connectors. The present invention contemplates utilization of a wire stripping machine and/or a continuity test jig in the disclose operation and apparatus.

Method of making wire harness with press-fitting contacts

A wire-circuit sheet comprising; a resin sheet with circuit connecting holes, wires lying across the circuit connecting holes, and a cutting holes to punch the resin sheet so as to cut simultaneously the wires. Further, a wire-circuit sheet and its manufacturing method comprising; a resin sheet on which a plurality of wires lie as crossing or coming close to each other, cutting holes being provided at the crossing or close points of the plurality of wires to cut off the wires and the sheet together, and the wires being fixed and sandwiched in between laminated resin sheets with a sticky surface. Moreover, in an electric junction box utilizing the wire-circuit sheet, a busbar-wire connecting method comprising the steps of: forming insertion holes through a cover in order to insert and fix busbar-tabs as terminals; inserting the busbar-tabs as terminals into the insertion holes in the cover; mounting a wire-circuit sheet at a predetermined position on the cover; and using the busbar-tabs as welding electrodes to weld the wires and the busbar-tabs together to connect them in a conductive state.

Method of making wire-circuit sheet

A wire crimping apparatus includes a pair of wire-length setting rollers, a pair of crimping cylinders arranged in a direction of feeding a wire, a pair of wire guides which are openably/closably attached between said pair of crimping cylinders, a pair of moving tables which has connector container grooves opposite to said pair of crimping blades and can move independently of a direction horizontally orthogonal to a wire, and a wire guide stand which has a wire pushing-down cylinder and can move in the direction vertically orthogonal to the wire. On a pair of moving tables, each wire is crimped to the connector on a first moving table at a forward position in the direction of wire feeding, is extended to have a required length between the moving tables by the wire-length setting roller, crimped to the connector on a second moving table at a backward position in the direction of wire feeding, and the moving tables are moved in opposite directions to connect wires between the connectors in a crossing manner.

Apparatus and method for wire crimping

An apparatus for manufacturing electrical harnesses including wires and electrical connectors comprises a pair of wire measuring rollers, a pair of connector tables located respectively at a first and a second locations for setting connectors thereon, which first location being near the rollers and the second location being in the wire feeding direction away from the first location, a wire feeding head disposed near a first connector table located at the first location and axially movable between the first and second locations, and a vertically movable wire pressing blade disposed on the first connector table, wherein a second connector table on which a down-facing connector is set and a third connector table on which an up-facing connector is set can be replaced with each other at the second location. In this structure, the second connector table is provided with a pectinate wire guide section having a plurality of slits, a wire pressing blade under the table to be inserted into the slits, and a pressing member for pressing the down-facing connector above the table in a vertically movable manner, whereas the third connector table is provided with a plurality of slits, and also a wire pressing blade above the table in a vertically movable manner.

Apparatus for manufacturing pressure-welded electrical harnesses and a

An apparatus and method for making harnesses containing press-inserted contacts is disclosed in which connectors of the concerned type can be automatically connected to one or more other connectors by wires of the same or of varying lengths and wherein connectors of diverse forms and various layouts can be utilized. A plurality of tables adapted to carry wire-receiving connectors are arranged to be selectively relatively movable with respect to each other, including movement in a transverse direction. Wire is supplied to the connectors by selectively operable wire metering rollers and press-insertion blades associated with the respective tables operate to press-insert the supplied wires for electrical contact with the respective connectors. The present invention contemplates utilization of a wire stripping machine and/or a continuity test jig in the disclosed operation and apparatus.

Method of making a wire harness with press-fitting contacts and

In the covered-wire connection method and structure in which at least one of members to be conductively connected to each other is a covered wire comprising a conductive wire portion and a cover portion of resin which is coated around the outer periphery of the conductive wire portion, both of the members are overlapped with each other at connection portions thereof, the overlapped connection portions are pinched between a pair of resin chips, and then the cover portion are melted and dispersed by ultrasonic vibration while pressing the connection portions of the members from the outside of the resin chips to conductively connect both of the members to each other at the connection portions thereof. Thereafter, the pair of the resin chips are melted to be fixed to each other, so that the connection portions are sealed with the melted resin chips.

Waterproof connection method for covered wire with resin encapsulation

The present invention provides a connecting configuration in wiring harness assembly or in a junction box used in the wiring harness assembly, wherein a plurality of individual primary wires and branch wires branched therefrom to form sub wiring harnesses are connected to each other per predetermined circuits by connecting means by way of electrically insulating members each made of a sheet or a thin plate covering the joint portions therebetween, which insulating members being piled up in one-on-another form, so that the entire wire connecting configuration can be accommodated in one casing or one box. Since the connecting configuration according to the present invention is constructed as such, minimization, weight saving and integration of a wiring harness assembly or a junction box used therein are all enabled, and alterations including replacement of or addition to the circuits are readily performed. Moreover, since the folded and accommodated branch wires can be readily taken out from the casing or the junction box and the insulating members can be easily checked individually, the maintenance thereof is facilitated in great deal.

Wiring harness assembly for vehicles

An apparatus for manufacturing electrical interconnection assembly in which a wire is laid on wire laying pins on a pin board or an insulating support body at high velocity and with high density. The electrical interconnection assembly manufacturing apparatus according to the present invention comprises: a pinboard; a plurality of wire laying pins standing on the pinboard; a slide plate opposing tips of the wire laying pins; and a nozzle attached to the slide plate, wherein the pinboard and the slide plate relatively move under the condition that the pinboard opposes the slide plate while a wire fed from the nozzle is laid on the plurality of wire laying pins.

Electrical interconnection assembly manufacturing apparatus

A method for mounting a waterproof plug to the front end of a covered electric wire, comprising the steps of feeding waterproof plugs to a first position of a transfer path one by one from a magazine in such a manner that the opening of each waterproof plug is in parallel with the transfer path; feeding a covered electric wire to a mounting position as a second position of the transfer path in an uncovered state of the front end thereof; and transferring the waterproof plug from the first position to the second position and inserting the uncovered end of the electric wire into the opening of the waterproof plug. Also disclosed is an apparatus for mounting a waterproof plug to the front end of a covered electric wire, including means for feeding waterproof plugs to a first position of a transfer path one by one in such a manner that the opening of each waterproof plug is in parallel with the transfer path; means for feeding a covered electric wire to a mounting position as a second position of the transfer path in an uncovered state of the front end thereof; and means for transferring the waterproof plug from the first position to the second position and inserting and clamping the uncovered end of the electric wire into the opening of the waterproof plug.

Growing community of inventors

Gotenba, Japan

Sanae Kato