Patent application number | Description | Published |
20100230160 | CRIMP TERMINAL, TERMINAL-PROVIDED WIRE, AND MANUFACTURING METHOD THEREOF - Provided is a technique of enabling high-compression crimping without breaking a crimp terminal while forming a recessed portion promoting a wire crimp portion of the crimp terminal to cut into a conductor in the wire crimp portion. The crimp terminal according to the invention includes a wire crimp portion, which is crimped to a conductor of a wire and includes a first crimp portion crimped to a base side of the conductor and a second crimp portion crimped to a tip end side. A recessed portion for promoting a cutting-in effect is formed in an inner surface of the wire crimp portion. A recessed portion formed in the second crimp portion is divided in a terminal width direction or is shallower than a recessed portion formed in the first crimp portion. Alternatively, the recessed portion is omitted and a recessed portion is formed only in the first crimp portion. | 09-16-2010 |
20100261391 | CRIMP TERMINAL, TERMINAL-PROVIDED WIRE, AND MANUFACTURING METHOD THEREOF - Provided is a technique of ensuring mechanical strength in a terminal-provided wire and lowering contact resistance between the wire and the crimp terminal, without greatly varying a crimp height of a crimp terminal onto the wire in an axial direction. A crimp terminal according to the invention includes a conductor barrel which is crimped to a conductor of a wire. The conductor barrel has an inner surface which closely contacts the conductor by bending. The inner surface has such a shape a surface thereof which closely contacts a tip end side part of the conductor inwardly projects beyond a surface thereof which closely contacts a base side part of the conductor, thus performing a higher compression of the tip end side part of the conductor than that of the base side part thereof by the bending. | 10-14-2010 |
20100297894 | TERMINAL CONNECTOR AND WIRE HARNESS - A wire barrel to be crimped onto an end of an electric wire has a surface on a side to face the electric wire. The surface has a plurality of recesses that extend in a direction that is to cross the axial direction of the electric wire and are separated from each other in the direction that is to cross the axial direction of the electric wire. The wire barrel has a thickness in a range from 0.15 mm to 1 mm before being crimped to the electric wire. Each recess has a depth in a range from 30% to 60% of the thickness of the wire barrel before the wire barrel is crimped onto the electric wire. | 11-25-2010 |
20110003518 | TERMINAL CONNECTOR AND ELECTRIC WIRE WITH TERMINAL CONNECTOR - Rims of an opening of each recess form a parallelogram, and comprise two first opening rims that that are parallel to a first direction and two second opening rims that are parallel to a second direction. The first opening rims of each of the recesses that are aligned along the first direction are arranged on a straight line along the first direction. The second opening rims of each of the recesses that are aligned along the second direction are arranged on a straight line along the second direction. The recesses are formed by pressing a wire barrel with a die where a plurality of protruding parts are formed so as to correspond to recesses. | 01-06-2011 |
20110009014 | TERMINAL CONNECTOR AND ELECTRIC WIRE WITH TERMINAL CONNECTOR - A plurality of recesses are formed on a surface of a wire barrel where an electric wire is provided. In a state before the electric wire is crimped onto the wire barrel, at least one of sides comprising rims of an opening of each recess of a quadrangular shape is a crossing side crossing at an angle of from 85 degrees to 95 degrees to an extending direction. In a state before the electric wire is crimped onto the wire barrel | 01-13-2011 |
20110028054 | CRIMPING TERMINAL AND METHOD OF MANUFACTURING TERMINAL-PROVIDED WIRE - A crimp terminal whose crimp state can be easily evaluated and to provide a method of manufacturing a terminal-provided wire comprising the crimp terminal. The crimp terminal includes a pair of conductor barrels which are crimped onto a conductor of an electric wire. The conductor barrel has an outer surface provided with a crimp state indicator for evaluating a crimp level thereof. The indicator may be a mark so shaped that a position of an internal end of an outwardly exposed part thereof is varied in a terminal axial direction corresponding to the crimp level, or include a plurality of marks spaced in a direction perpendicular to the terminal axial direction. | 02-03-2011 |
20110034091 | CRIMPED ELECTRIC WIRE WITH TERMINAL AND METHOD FOR PRODUCING THE SAME - A crimped electric wire with a terminal, includes: an electric wire having a core wire made of aluminum or aluminum alloy; and a terminal fitting having an electric wire crimping section for crimping the core wire partly exposed from the electric wire, wherein: a value obtained by dividing the height of the electric wire crimping section by the width of the electric wire crimping section after the crimping of the electric wire crimping section is set to 0.5 or more and 0.6 or less; and the value obtained by dividing the gross cross-sectional area of the core wire after the crimping of the electric wire crimping section by the gross cross-sectional area of the core wire before the crimping of the electric wire crimping section is set to 55% or more and 65% or less. | 02-10-2011 |
20110045713 | CRIMP TERMINAL, TERMINAL-EQUIPPED ELECTRIC WIRE WITH THE CRIMP TERMINAL, AND METHODS FOR PRODUCING THEM - Provided is a crimp terminal designed to be crimped onto an end portion of an electric wire to form a terminal-equipped electric wire, achieving both of ensuring mechanical strength of the terminal-equipped electric wire and reducing a contact resistance between the electric wire and the crimp terminal. The crimp terminal comprises an electric contact section and an electric-wire crimp section to be crimped onto a conductor in the end portion of the electric wire, the crimp terminal being formed of a metal plate which has a copper-containing plate body and a tin-plating layer covering a surface of the plate body. In the crimp terminal, the tin-plating layer has a smaller thickness in a crimp surface region where the electric-wire crimp section is to make contact with the end portion of the electric wire is less than that in an electrical contact surface region where the electric contact section is to make contact with a counterpart terminal. | 02-24-2011 |
20110094797 | ELECTRIC WIRE WITH TERMINAL CONNECTOR AND METHOD OF MANUFACTURING ELECTRIC WIRE WITH TERMINAL CONNECTOR - An electric wire with terminal connector including an electric wire having a core wire including a plurality of wires and a female terminal connector including a wire barrel that is crimped onto the core wire exposed from the electric wire, the following steps are executed. The steps include a step of removing wire insulation covering an outer peripheral surface of the core wire to expose the core wire, a step of holding the exposed core wire with jigs provided in a pair and applying ultrasonic vibration to the core wire via the jigs, and a step of crimping the wire barrel so as to surround a part of the core wire to which the ultrasonic vibration is applied. | 04-28-2011 |
20120000069 | METHOD FOR MANUFACTURING ELECTRIC WIRE WITH TERMINAL - A method for manufacturing an electric wire with a terminal, includes crimping a barrel portion of the terminal onto a core wire constructed of metal wires and creating a crack in a metal oxide layer immediately before the crimping. The metal oxide layer is formed on a metal surface of the core wire. The creating of crack is accomplished by applying a mechanical force to the metal oxide layer. | 01-05-2012 |
20120028494 | TERMINAL CONNECTOR AND ELECTRIC WIRE WITH TERMINAL CONNECTOR - An electric wire with a terminal connector includes an electric wire and a female terminal connector crimped onto a core wire exposed at the electric wire. A female terminal connector has a wire barrel having a surface to be applied to the core wire. The surface has a plurality of recesses formed therein. Each recess has a parallelogram-shaped opening edge. The opening edge of the recess includes a pair of first opening edges that are parallel to each other and a pair of second opening edges that are parallel to each other and different from the first opening edges. The recesses are spaced in the extending direction of the first opening edges and are spaced in the extending direction of the second opening edges. | 02-02-2012 |
20120329341 | TERMINAL FITTING AND ELECTRIC WIRE EQUIPPED WITH THE SAME - A terminal fitting | 12-27-2012 |
20130008714 | ELECTRIC WIRE EQUIPPED WITH TERMINAL FITTING AND METHOD OF MANUFACTURING THE SAME - An aluminum electric wire ( | 01-10-2013 |
20130062117 | TERMINAL CONNECTOR AND ELECTRIC WIRE WITH TERMINAL CONNECTOR - An electric wire with a terminal connector includes an electric wire and a female terminal connector crimped onto a core wire exposed at the electric wire. A female terminal connector has a wire barrel having a surface to be applied to the core wire. The surface has a plurality of recesses formed therein. Each recess has an opening edge. The opening edge of the recess includes first opening edges that are parallel to each other. The first opening edges are arranged to overlap with each other in the extending direction of the electric wire so that the first opening edges are present over the entire length of all over the plurality of the recesses on the crimping portion in the extending direction of the electric wire. | 03-14-2013 |
20130062118 | Terminal Connector and Electric Wire with Terminal Connector - An electric wire with a terminal connector includes an electric wire and a female terminal connector crimped onto a core wire exposed at the electric wire. A female terminal connector has a wire barrel having a surface to be applied to the core wire. The surface has a plurality of recesses formed therein. Each recess has an opening edge. The opening edge of the recess includes first opening edges that are parallel to each other. The space between the recesses adjacent to each other in the extending direction of the first opening edge is set narrower than the space between the recesses adjacent to each other in the extending direction of the electric wire. | 03-14-2013 |
20130126234 | ELECTRIC WIRE WITH TERMINAL AND CONNECTOR - An electric wire with terminal includes an electric wire covering an outer periphery of a core wire with an insulating coating and a female terminal. The female terminal includes: a wire barrel having a bottom plate on which the core wire is placed and crimped onto the core wire; a groove portion extending from the bottom plate in a direction in which the core wire extends and whose surface on the side where the core wire is placed is bent into a concave shape. The groove portion has a water blocking wall molded by synthetic resin. The water blocking wall is provided to fill the inside of the groove portion. A region extending from the water blocking wall to the end of the insulating coating is covered with a water blocking coating, and the inner surface of the water blocking coating is in close contact with the water blocking wall. | 05-23-2013 |