Abstract: A ball spline having reinforcement bush parts includes a spline shaft having concave track grooves formed to extend along the longitudinal direction thereof; a nut part in which the spline shaft is inserted and movable along the longitudinal direction thereof; and a plurality of balls provided between the nut part and the spline shaft to circulate, wherein: the nut part includes a nut which is a hollow body where the spline shaft is inserted, and retainers which are hollow bodies which are provided at longitudinally opposite sides of the nut and into which the spline shaft is inserted; two spline parts and two reinforcement bush parts are provided at the nut part; some of the balls circulate and move between a track groove and a load track groove and along a no-load circulation part; and the remainder of the balls roll circulate and move along the reinforcement bush parts.

Abstract: An article withdrawing system for withdrawing articles held in a packing box, the upper surface of which is opened. A first stage holds the packing box carried with the opened upper surface and reverses the packing box so that the articles held in the packing box falls down. A second stage supports and holds the falling-down articles. The first stage includes a support unit supporting and moving the packing box upward and downward, a box holding frame in which the support unit is mounted, a linear movement frame to which the box holding frame is rotatably coupled, a main frame in which the linear movement frame is coupled and supported to be linearly moved and is located and supported on the ground, and a first rotation driving mechanism disposed in the linear movement frame and for rotating and driving the box holding frame.

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: A system for taking out items wrapped in a packaging film and accommodated in a packaging box with an open top. The system includes a first conveyor configured to transfer a packaging box accommodating items therein, a fixing device for fixing, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the first conveyor with its top open, a withdrawal device for moving to a space in which the items are accommodated in the packaging box so as to suck the same using vacuum suction and take out the same, an item transfer device for transferring the items taken out by the withdrawal device with the items placed on the item transfer device, and a box transfer device for transferring an empty packaging box from which the items are taken out.

Abstract: An opening system including a cutting device for cutting an adhesive tape; a suctioning and lifting device for suctioning a upper panels, which are separated from each other because the adhesive tape is cut by the cutting device; rod members which are elongated to be inserted into gaps, when the gaps are formed between the upper panels and upper edges of side surfaces in the packaging box because the upper panels are spaced apart from the side panels by the suctioning and lifting device; and an opening device which moves the respective rod members while being in contact with lower surfaces of the upper panels such that the upper panels are rotated outward with respect to boundaries between the upper panels and the side panels.

Abstract: A system for removing a product-packing film from a product having an axis in a longitudinal direction. The packing film surrounds lateral portions of the product. A first end of the packing film surrounding a first longitudinal end of the product is open. A second end of the packing film surrounding a second end of the product opposite the first end of the product is closed. In the system, a conveyor carries a plurality of products each packed with a packing film in a direction perpendicular to the axes of the products while supporting the products such that the axes of the products are parallel to each other. A suction unit draws the first end of the packing film in an axial direction of each of the products. A clamping unit clamps the first end of the packing film drawn by the suction unit.

Abstract: A reversing system for reversing a packing box, an upper surface of which is opened, and from which products are withdrawn, such that a lower surface of the reversed empty packing box is disposed above. A first conveyor transfers an empty packing box, an upper surface of which is opened, from a position at which products are withdrawn from the packing box to a position at which the packing box is reversed. A turning device holds the packing box to be turned about a horizontal rotation axis, and reverses the packing box. A second conveyor carries the reversed packing box to a position at which the bottom surface is opened. The turning device holds two sides, facing each other, among sides of the packing box, and turns and reverses the packing box using a portion between the holding locations of the two held sides as a rotation axis.

Abstract: A packing box folding system, and the packing box folding system including a transfer conveyor on which transfers the packing box from a packing box introducing position to a folded packing box discharging position; a fixed guide panel which extends between the packing box introducing position and the packing box discharging position and is disposed on one side of the transfer conveyor in the width-direction; and a movable suction device which is disposed on the side opposite to the fixed guide panel in the width-direction of the transfer conveyor and is movable between the packing box introducing position and the packing box discharging position, wherein the movable suction device suctions the side surface of the packing box, which faces the side surface in contact with the fixed guide panel, and presses the suctioned side surface inward in the width-direction.

Abstract: A system for aligning items, which includes a packaging box transfer device to transfer a packaging box accommodating items therein, a fixing device to fix, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the packaging box transfer device with its top open, a withdrawal device to move to a space in which the items are accommodated in the packaging box so as to suck and take out the items, an item transfer device to transfer the items taken out by the withdrawal device with the items placed on the item transfer device, a sensor mounted on the withdrawal device to detect directions of the items taken out by the withdrawal device, and a rotating device to rotate the items taken out by the withdrawal device with the items placed on the rotating device.

Abstract: A method of manufacturing a printed circuit board includes providing an insulating layer, forming a plating seed layer on the insulating layer, forming a first circuit pattern on the plating seed layer and a second circuit pattern on the first circuit pattern, and forming a top metal layer on the second circuit pattern. The second circuit pattern can be thinner than the first circuit pattern, and the top metal layer can be wider than the second circuit pattern.

Abstract: The present invention relates to a ball spline having a reinforcement bush part, comprising: a rod-shaped spline shaft having at least one concave track groove formed to extend along the longitudinal direction thereof; a nut part in which the spline shaft is inserted and movable along the longitudinal direction thereof; and a plurality of balls provided between the nut part and the spline shaft to circulate, wherein: the nut part includes a nut which is a hollow body into which the spline shaft is inserted, and retainers which are hollow bodies which are provided at longitudinally opposite sides of the nut and into which the spline shaft is inserted; at least one spline part and at least one reinforcement bush part are provided at the nut part; some of the balls change direction in spline circulation grooves of longitudinally opposite side retainers and circulate and move between a track groove and a load track groove and along a no-load circulation part; and the others of the balls roll while being in contac

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: A system for taking out items wrapped in a packaging film and accommodated in a packaging box with an open top. The system includes a first conveyor configured to transfer a packaging box accommodating items therein, a fixing device for fixing, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the first conveyor with its top open, a withdrawal device for moving to a space in which the items are accommodated in the packaging box so as to suck the same using vacuum suction and take out the same, an item transfer device for transferring the items taken out by the withdrawal device with the items placed on the item transfer device, and a box transfer device for transferring an empty packaging box from which the items are taken out.

Abstract: A packing box folding system, and the packing box folding system including a transfer conveyor on which transfers the packing box from a packing box introducing position to a folded packing box discharging position; a fixed guide panel which extends between the packing box introducing position and the packing box discharging position and is disposed on one side of the transfer conveyor in the width-direction; and a movable suction device which is disposed on the side opposite to the fixed guide panel in the width-direction of the transfer conveyor and is movable between the packing box introducing position and the packing box discharging position, wherein the movable suction device suctions the side surface of the packing box, which faces the side surface in contact with the fixed guide panel, and presses the suctioned side surface inward in the width-direction.

Abstract: An opening system including a cutting device for cutting an adhesive tape; a suctioning and lifting device for suctioning a upper panels, which are separated from each other because the adhesive tape is cut by the cutting device; rod members which are elongated to be inserted into gaps, when the gaps are formed between the upper panels and upper edges of side surfaces in the packaging box because the upper panels are spaced apart from the side panels by the suctioning and lifting device; and an opening device which moves the respective rod members while being in contact with lower surfaces of the upper panels such that the upper panels are rotated outward with respect to boundaries between the upper panels and the side panels.

Abstract: A system for aligning items, which includes a packaging box transfer device to transfer a packaging box accommodating items therein, a fixing device to fix, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the packaging box transfer device with its top open, a withdrawal device to move to a space in which the items are accommodated in the packaging box so as to suck and take out the items, an item transfer device to transfer the items taken out by the withdrawal device with the items placed on the item transfer device, a sensor mounted on the withdrawal device to detect directions of the items taken out by the withdrawal device, and a rotating device to rotate the items taken out by the withdrawal device with the items placed on the rotating device.

Abstract: A reversing system for reversing a packing box, an upper surface of which is opened, and from which products are withdrawn, such that a lower surface of the reversed empty packing box is disposed above. A first conveyor transfers an empty packing box, an upper surface of which is opened, from a position at which products are withdrawn from the packing box to a position at which the packing box is reversed. A turning device holds the packing box to be turned about a horizontal rotation axis, and reverses the packing box. A second conveyor carries the reversed packing box to a position at which the bottom surface is opened. The turning device holds two sides, facing each other, among sides of the packing box, and turns and reverses the packing pox using a portion between the holding locations of the two held sides as a rotation axis.

Abstract: A system for removing a product-packing film from a product having an axis in a longitudinal direction. The packing film surrounds lateral portions of the product. A first end of the packing film surrounding a first longitudinal end of the product is open. A second end of the packing film surrounding a second end of the product opposite the first end of the product is closed. In the system, a conveyor carries a plurality of products each packed with a packing film in a direction perpendicular to the axes of the products while supporting the products such that the axes of the products are parallel to each other. A suction unit draws the first end of the packing film in an axial direction of each of the products. A clamping unit clamps the first end of the packing film drawn by the suction unit.

Abstract: An article withdrawing system for withdrawing articles held in a packing box, the upper surface of which is opened. A first stage holds the packing box carried with the opened upper surface and reverses the packing box so that the articles held in the packing box falls down. A second stage supports and holds the falling-down articles. The first stage includes a support unit supporting and moving the packing box upward and downward, a box holding frame in which the support unit is mounted, a linear movement frame to which the box holding frame is rotatably coupled, a main frame in which the linear movement frame is coupled and supported to be linearly moved and is located and supported on the ground, and a first rotation driving means disposed in the linear movement frame and for rotating and driving the box holding frame.