Abstract: A wire-equipped crimp terminal includes a wire, a crimp terminal and a coating agent. The wire has a conductor exposed from an insulative sheath. The crimp terminal has a crimping piece which is press-deformed to embrace the conductor. The coating agent is coated to a first part of the crimp terminal. A recess is formed at a non-coating part of the crimp terminal where the coating agent is not coated. The coating agent is cured by irradiating light or an electron beam to the first part in a state where a part of the coating agent flowing out from the first part is received in the recess.

Abstract: A crimped terminal attached electric wire comprising an electric wire, which is made by covering a conductor part with an insulative coating, and a crimped terminal including a conductor crimping part which is crimped to the conductor part when a pair of crimping strip parts form a joint along the extending direction of the conductor part, wherein the conductor crimping part is swelled in a direction perpendicular to the extending direction of the conductor part, and is formed into a barrel form while the joint is the only joint, when the conductor crimping part is crimped to the conductor part.

Abstract: A fiber conductor wire structure includes a fiber conductor and a terminal. The fiber conductor has a first portion with an outer insulating resin and a second portion with an outer conductive metal. The second portion defines a knot. The terminal has a hole for inserting the fiber conductor. The hole has a receiving portion configured to receive the knot in locked engagement and electrical connection with the terminal. A connecting method for the fiber conductor wire includes forming a knot with a portion of a fiber conductor having an outer conductive metal, inserting the fiber conductor into a hole of a terminal, and pulling the fiber conductor through the hole to engage the knot with a receiving portion of the terminal to place the knot in locked engagement and electrical connection with the terminal.

Abstract: A crimping apparatus includes an anvil for supporting a metal terminal including a base plate portion for mounting an electric wire thereon and a pair of crimping piece portions extending upwardly respectively from opposite side edges of the base plate portion and a crimper which includes a groove portion being opposed to a supporting portion of the anvil. An inner surface of the groove portion of the anvil and a terminal support face of the supporting portion of the crimper cooperate to press the crimping piece portions for crimping the crimping piece portions to the electric wire mounted on the metal terminal. A width of the groove portion of the crimper is not more than 1.0 mm. The terminal support surface of the anvil is formed into a concavely curved surface in which a depth of the concavely curved surface is not smaller than 0.06 mm and is not larger than 0.17 mm in a cross-section of the anvil perpendicular to an axis direction of the electric wire.

Abstract: A crimped terminal attached electric wire comprising an electric wire, which is made by covering a conductor part with an insulative coating, and a crimped terminal including a conductor crimping part which is crimped to the conductor part when a pair of crimping strip parts form a joint along the extending direction of the conductor part, wherein the conductor crimping part is swelled in a direction perpendicular to the extending direction of the conductor part, and is formed into a barrel form while the joint is the only joint, when the conductor crimping part is crimped to the conductor part.

Abstract: There is provided a connecting structure of a fiber conductor wire including: a fiber conductor having a knot; and a terminal having a hole for inserting the fiber conductor, said hole having a receiving portion for receiving the knot, wherein the fiber conductor wire and the terminal are electrically connected to each other by inserting the fiber conductor into the hole and by locking the knot in the receiving portion. There is also provided a connecting method of a fiber conductor wire comprising the steps of forming a not by tying loosely a fiber conductor; inserting the fiber conductor into a hole of a terminal; and pulling the fiber conductor to engage the knot with a receiving portion of the hole and to electrically connect the knot to the receiving portion.

Abstract: This invention provides with an electric wire press fitting method, in which an aluminum core wire of each of two aluminum wires are stranded to each other and inserted into a sleeve, and the aluminum core wire of each of the two aluminum wires are compressed and swaged along with the sleeve, wherein the sleeve includes a main body made of copper or a copper alloy; and the compression is performed on the aluminum core wire of each of the two aluminum wires at a compression ratio of 50 to 85% by the main body.

Abstract: An apparatus for crimping a terminal with a wire includes a first crimper and a second crimper. The first crimper presses the terminal with the wire at a first position of the wire. The second crimper presses the terminal with the wire at a second position of the wire after the first crimper presses the terminal at the first position. The first position is disposed between a tip end of the wire and the second position in an extending direction of the wire.

Abstract: A wire-equipped crimp terminal includes a wire, a crimp terminal and a coating agent. The wire has a conductor exposed from an insulative sheath. The crimp terminal has a crimping piece which is press-deformed to embrace the conductor. The coating agent is coated to a first part of the crimp terminal. A recess is formed at a non-coating part of the crimp terminal where the coating agent is not coated. The coating agent is cured by irradiating light or an electron beam to the first part in a state where a part of the coating agent flowing out from the first part is received in the recess.

Abstract: A crimp terminal includes a bottom plate portion for mounting a wire conductor of a wire thereon, a pair of press-fastening portions extended respectively from opposite side edges of the bottom plate portion to press-fasten the wire conductor, a raised portion provided on the bottom plate portion, and that has slanting surfaces slanting along an axis of the wire conductor mounted on the bottom plate portion to form a curved shape projecting toward the wire conductor, and an auxiliary contact portion protrudingly formed on at least one of the slanting surfaces. The auxiliary contact portion is moved in a direction along the axis of the wire conductor by a pressing load applied for crimping the wire conductor so that the wire conductor is elongated.

Abstract: A terminal crimping structure includes a terminal crimped to a copper alloy wire. The terminal has a crimping piece portion crimped to the copper alloy core wire portion. A rate of compression of the copper alloy core wire portion, of a particular diameter, by the crimping piece portion is determined from a relative relation between a parameter varying according to the ratio of (the cross-sectional area of the copper alloy core wire portion at a crimped portion)/(the cross-sectional area of the copper alloy core wire portion before crimping) and a parameter varying according to the ratio of (a cross-sectional area of an annealed copper core wire portion at a crimped portion)/the cross-sectional area of the annealed copper core wire portion before crimping) which is the rate of compression of the annealed copper core wire portion by the crimping piece portion.

Abstract: A crimping terminal includes a pair of core wire crimping pieces raised up from a bottom plate. A contact strip is provided with gaps formed between the core wire crimping pieces and the contact strip for inserting core wires of an aluminum electric wire. The contact strip has a sloped wall or a curved wall for guiding the core wires from the gaps toward the bottom plate. The contact strip is formed in a flat plate shape, and has sloped walls at both left and right sides thereof. The contact strip is formed in an arc sectional shape, and has curved walls at both left and right sides thereof. The contact strip is formed in an inverted V sectional shape, and has sloped walls at both left and right sides thereof. The contact strips are arranged two-tiered. A serration is formed on the contact strip.

Abstract: An apparatus for crimping a terminal with a wire includes a first crimper and a second crimper. The first crimper presses the terminal with the wire at a first position of the wire. The second crimper presses the terminal with the wire at a second position of the wire after the first crimper presses the terminal at the first position. The first position is disposed between a tip end of the wire and the second position in an extending direction of the wire.

Abstract: A crimping apparatus includes an anvil for supporting a metal terminal including a base plate portion for mounting an electric wire thereon and a pair of crimping piece portions extending upwardly respectively from opposite side edges of the base plate portion and a crimper which includes a groove portion being opposed to a supporting portion of the anvil. An inner surface of the groove portion of the anvil and a terminal support face of the supporting portion of the crimper cooperate to press the crimping piece portions for crimping the crimping piece portions to the electric wire mounted on the metal terminal. A width of the groove portion of the crimper is not more than 1.0 mm. The terminal support surface of the anvil is formed into a concavely curved surface in which a depth of the concavely curved surface is not smaller than 0.06 mm and is not larger than 0.17 mm in a cross-section of the anvil perpendicular to an axis direction of the electric wire.

Abstract: A crimp terminal includes a sheath mounting portion for mounting a sheath portion of a wire thereon, at least two sheath fixing portions that press-fastens to the sheath portion of the wire, wherein each of the sheath fixing portions has a pair of sheath press-fastening pieces extended respectively from opposite side edges of the sheath mounting portion, and a crimping connection portion that electrically connects to the conductor portion of the wire exposed at a distal end of the sheath portion. Extending directions and lengths of the pair of sheath press-fastening pieces of each of the sheath fixing portions are set so that distal end portions of the pair of sheath press-fastening pieces of each of the sheath fixing portions are superposed to each other when the pair of sheath press-fastening pieces are press-fastened on the sheath portion.

Abstract: A female terminal, includes: a tubular portion which is formed by bending a metal sheet into a tubular shape; a peripheral wall which has a trapezoidal cross section having a pair of opposed shorter and longer sides to form a space extending in an axial direction of the female terminal inside the tubular portion; and a spring portion for pressing a male terminal inserted in the space, in a direction toward the shorter side of the peripheral wall. A maximum width of the male terminal is longer than the shorter side and is shorter than the longer side.

Abstract: A terminal crimping apparatus includes an anvil for supporting a metal terminal including a base plate portion for placing an electric wire thereon and a pair of crimping piece portions extending upwardly respectively from opposite side edges of the base plate portion and a crimper which includes a press-deforming portion having a generally arch-shape formed of two arc-shaped surfaces which are opposed to the anvil. The anvil and the crimper cooperate to press the crimping piece portions for crimping the crimping piece portions to the electric wire placed on the metal terminal. The shape of the crimper satisfies a formula, Index a=c·cos ?, where c represents a length of the arc-shaped surface of the crimper, and ? represents an angle formed by a tangential line to the arc-shaped surface at a central portion of the crimper and a vertical line.

Abstract: A crimping apparatus includes an anvil for supporting a metal terminal including a base plate portion for mounting an electric wire thereon and a pair of crimping piece portions extending upwardly respectively from opposite side edges of the base plate portion and a crimper which includes a groove portion being opposed to a supporting portion of the anvil. An inner surface of the groove portion of the anvil and a terminal support face of the supporting portion of the crimper cooperate to press the crimping piece portions for crimping the crimping piece portions to the electric wire mounted on the metal terminal. A width of the groove portion of the crimper is not more than 1.0 mm. The terminal support surface of the anvil is formed into a concavely curved surface in which a depth of the concavely curved surface is not smaller than 0.06 mm and is not larger than 0.17 mm in a cross-section of the anvil perpendicular to an axis direction of the electric wire.

Abstract: A crimping apparatus includes an anvil for supporting a metal terminal including a base plate portion for mounting an electric wire thereon and a pair of crimping piece portions extending upwardly respectively from opposite side edges of the base plate portion, and a crimper which has a press-fastening portion for press-fastening the crimping piece portions. The anvil and the press-fastening portion of the crimper cooperate to press-fasten the crimping piece portions for crimping the crimping piece portions to the electric wire mounted on the metal terminal. The press-fastening portion is subjected to a mirror finish.

Abstract: This invention provides with an electric wire press fitting method, in which an aluminum core wire of each of two aluminum wires are stranded to each other and inserted into a sleeve, and the aluminum core wire of each of the two aluminum wires are compressed and swaged along with the sleeve, wherein the sleeve includes a main body made of copper or a copper alloy; and the compression is performed on the aluminum core wire of each of the two aluminum wires at a compression ratio of 50 to 85% by the main body.