A reinforcing bar binding machine includes a magazine in which two wires are housed in a drawable manner; a curl guide unit that winds the juxtaposed wires around the reinforcing bars and a wire feeding unit that winds the wires around the reinforcing bars with the curl guide unit in an operation of juxtaposing and feeding the wires so that the wires are wound around the reinforcing bars. In addition, the binding machine includes a binding unit that twists crossing portions of one end side and the other end side of each of the wires wound around the reinforcing bars. The binding unit further includes a bending portion that bends the one end side and the other end side of each of the wires, which are wound around the reinforcing bars, toward the reinforcing bars.

A reinforcing bar binding machine includes a magazine in which two wires are housed in a drawable manner; a curl guide unit that winds the juxtaposed wires around the reinforcing bars and a wire feeding unit that winds the wires around the reinforcing bars with the curl guide unit in an operation of juxtaposing and feeding the wires so that the wires are wound around the reinforcing bars. In addition, the binding machine includes a binding unit that twists crossing portions of one end side and the other end side of each of the wires wound around the reinforcing bars. The binding unit further includes a bending portion that bends the one end side and the other end side of each of the wires, which are wound around the reinforcing bars, toward the reinforcing bars.

A binding machine includes: a wire feeding unit; a curl forming unit; a butting part; a cutting unit; and a binding unit. The binding unit includes a rotary shaft; a wire engaging body configured to move in an axis direction of the rotary shaft and to engage the wire in a first operation area in the axis direction of the rotary shaft, and configured to move in the axis direction of the rotary shaft and to twist the wire with rotating together with the rotary shaft in a second operation area in the axis direction of the rotary shaft; a rotation regulation part configured to regulate rotation of the wire engaging body; and a tension applying part configured to perform, in the second operation area, operations of applying tension and releasing the applied tension on the wire engaged by the wire engaging body in the first operation area.

A binding machine includes: a wire feeding unit; a curl forming unit; a butting part; a cutting unit; and a binding unit. The binding unit includes a rotary shaft; a wire engaging body configured to move in an axis direction of the rotary shaft and to engage the wire in a first operation area in the axis direction of the rotary shaft, and configured to move in the axis direction of the rotary shaft and to twist the wire with rotating together with the rotary shaft in a second operation area in the axis direction of the rotary shaft; a rotation regulation part configured to regulate rotation of the wire engaging body; and a tension applying part configured to perform, in the second operation area, operations of applying tension and releasing the applied tension on the wire engaged by the wire engaging body in the first operation area.

An apparatus and method for continuous operation for the production of conductors that include twisted or stranded wires or filaments includes supply payoff for providing a plurality of strands that have been work hardened. The wires or strands are annealed in line with the payoff and subsequently cooled by a chiller in line with the annealer for cooling the annealed strands output from the annealer to a predetermined temperature. A strander in line with the annealer and cooler or chiller is provided for imparting at least one twist to the annealed and cooled strands. Speed control, for example a dancer, is provided in line between the cooler and the strander for adjusting and controlling the speed or velocity of the strands moving along the line to maintain a speed compatible with the take up speed of the strander. The predetermined temperature is selected to be the ambient operating temperature of the strander for copper or aluminum cable.

An apparatus and method for continuous operation for the production of conductors that include twisted or stranded wires or filaments includes supply payoff for providing a plurality of strands that have been work hardened. The wires or strands are annealed in line with the payoff and subsequently cooled by a chiller in line with the annealer for cooling the annealed strands output from the annealer to a predetermined temperature. A strander in line with the annealer and cooler or chiller is provided for imparting at least one twist to the annealed and cooled strands. Speed control, for example a dancer, is provided in line between the cooler and the strander for adjusting and controlling the speed or velocity of the strands moving along the line to maintain a speed compatible with the take up speed of the strander. The predetermined temperature is selected to be the ambient operating temperature of the strander for copper or aluminum cable.

A reinforcing bar binding machine includes a first movable gripping member that is displaced in a direction to come in contact with and separate from one side of a fixed gripping member. A second movable gripping member is displaced in a direction to come in contact with and separate from the other side of the fixed gripping member; and a bending portion brings the first movable gripping member and the second movable gripping member into and out of contact with the fixed gripping member. The fixed gripping member includes a shaft that rotatably supports the first movable gripping member and the second movable gripping member. In addition, the bending portion includes an opening and closing pin that pushes an opening and closing guide hole provided in the first movable gripping member and an opening and closing guide hole provided in the second movable gripping member.

A reinforcing bar binding machine includes a first movable gripping member that is displaced in a direction to come in contact with and separate from one side of a fixed gripping member. A second movable gripping member is displaced in a direction to come in contact with and separate from the other side of the fixed gripping member; and a bending portion brings the first movable gripping member and the second movable gripping member into and out of contact with the fixed gripping member. The fixed gripping member includes a shaft that rotatably supports the first movable gripping member and the second movable gripping member. In addition, the bending portion includes an opening and closing pin that pushes an opening and closing guide hole provided in the first movable gripping member and an opening and closing guide hole provided in the second movable gripping member.

Method and means of manufacturing ties, fasteners and rods (15) having a plurality of longitudinal threads by forcing a coil of roll-profiled feed-wire made of steel (11) through a twisting-die made of plastic (1). Also described is: a twisting-die made of plastic (1) that is suitable for twisting profiled feed-wire (11) made of steel; a method of forming a plastic twisting die (1) using an driven tap (31) in the form of a twisted rod (15); and a helically-shaped member (15) having lead measurements (X) along the length of the helical thread that vary less than pitch measurements (Y) along the lengths of the helical threads.

Method and means of manufacturing ties, fasteners and rods (15) having a plurality of longitudinal threads by forcing a coil of roll-profiled feed-wire made of steel (11) through a twisting-die made of plastic (1). Also described is: a twisting-die made of plastic (1) that is suitable for twisting profiled feed-wire (11) made of steel; a method of forming a plastic twisting die (1) using an driven tap (31) in the form of a twisted rod (15); and a helically-shaped member (15) having lead measurements (X) along the length of the helical thread that vary less than pitch measurements (Y) along the lengths of the helical threads.