Abstract: In a folder-gluer, push-out forces by an air cylinder and a push-out spring mechanism are set such that: (1) when downstream portions of first and fourth panels are passing through a second bending plate, the second bending plate is pushed outwardly in a width direction by the push-out forces to extend the downstream portions of the first and fourth panels in the width direction; and (2) when upstream portions of the first and fourth panels are passing through the second bending plate, the second bending plate is pushed back inwardly in the width direction by the resistance force applied to the second bending plate by the first and fourth panels so as not to extend the upstream portions in the width direction, and wherein the push-out forces are not varied by a control while the first and fourth panels are passing through the second bending plate.

Abstract: A slitter-scorer apparatus comprises: a corrugated paperboard-processing tool comprising a plurality of slitters and a plurality of scorers; a width directional movement mechanism and an up-down directional movement mechanism configured to move the corrugated paperboard-processing tool in a width direction and an up-down direction, respectively; and a control device configured to control the two movement mechanisms. The control device is configured to: set a target setup time for moving the corrugated paperboard-processing tool for an order change, based on a cutter cutoff length of a portion of a corrugated paperboard to be cut off by a cutter during the order change, and a paperboard feed speed; set a target acceleration/deceleration so as to allow the movement of the corrugated paperboard-processing tool to be completed in the target setup time; and control the movement mechanisms to move the corrugated paperboard-processing tool with the target acceleration/deceleration.

Abstract: In a folder-gluer, push-out forces by an air cylinder and a push-out spring mechanism are set such that: (1) when downstream portions of first and fourth panels are passing through a second bending plate, the second bending plate is pushed outwardly in a width direction by the push-out forces to extend the downstream portions of the first and fourth panels in the width direction; and (2) when upstream portions of the first and fourth panels are passing through the second bending plate, the second bending plate is pushed back inwardly in the width direction by the resistance force applied to the second bending plate by the first and fourth panels so as not to extend the upstream portions in the width direction, and wherein the push-out forces are not varied by a control while the first and fourth panels are passing through the second bending plate.

Abstract: Disclosed is a folder-gluer comprises: a conveyance device configured to convey a corrugated paperboard sheet; a pair of bending bars configured to bend a first panel and a fourth panel of the corrugated paperboard sheet from 0 degree to about 90 degrees; a pair of bending plates provided in a zone where the first and fourth panels are bent from 0 degree to about 90 degrees, and configured such that distal ends thereof come into contact, respectively, with crease lines of the first and fourth panels or vicinities of the crease lines, wherein each of the bending plates is configured to be pushed and moved outwardly in a width direction, by a push-out device; a detector configured to detect a position of the corrugated paperboard sheet; and a control device configured to control the push-out device.

Abstract: A counter-ejector comprises: an elevator including a table displaceable in a forward-backward direction parallel to a feeding-out direction; a backward restriction member for restricting a situation where backward edges of corrugated paperboard sheets in a batch are displaced in a direction opposite to the feeding-out direction; table upward-downward movement drive device; a table displacement drive device; and a control device. The control device executes a table downward movement control processing such that the table is displaced backwardly in at least part of a time period when the table is moved downwardly from the hopper part to a table stop position and a time period when the table is stopped at the table stop position, and a table upward movement control processing such that the table is displaced forwardly in a time period when the table is moved upwardly from the table stop position to the hopper part.

Abstract: A counter-ejector comprises: an elevator including a table displaceable in a forward-backward direction parallel to a feeding-out direction; a backward restriction member for restricting a situation where backward edges of corrugated paperboard sheets in a batch are displaced in a direction opposite to the feeding-out direction; table upward-downward movement drive device; a table displacement drive device; and a control device. The control device executes a table downward movement control processing such that the table is displaced backwardly in at least part of a time period when the table is moved downwardly from the hopper part to a table stop position and a time period when the table is stopped at the table stop position, and a table upward movement control processing such that the table is displaced forwardly in a time period when the table is moved upwardly from the table stop position to the hopper part.

Abstract: Disclosed is a folder-gluer comprises: a conveyance device configured to convey a corrugated paperboard sheet; a pair of bending bars configured to bend a first panel and a fourth panel of the corrugated paperboard sheet from 0 degree to about 90 degrees; a pair of bending plates provided in a zone where the first and fourth panels are bent from 0 degree to about 90 degrees, and configured such that distal ends thereof come into contact, respectively, with crease lines of the first and fourth panels or vicinities of the crease lines, wherein each of the bending plates is configured to be pushed and moved outwardly in a width direction, by a push-out device; a detector configured to detect a position of the corrugated paperboard sheet; and a control device configured to control the push-out device.