Abstract: A printing unit for printing a web of paper is provided. The printing unit includes a frame and at least a first and a second printing group, each printing group including a blanket cylinder and a plate cylinder. The printing unit also includes a cylinder support and movement mechanism, at least one throw-on configuration in which the blanket cylinders are pressed against each other and against the plate cylinders, and at least one throw-off configuration in which the blanket cylinders are spaced apart from each other. The support and movement mechanism includes at least one connection which connects the plate cylinder and the blanket cylinder of at least one printing group. The connection includes a region of lesser strength which is intended to break under a predetermined force.

Abstract: A printing for printing a web of paper is provided. The printing unit includes a frame and at least an upper printing group and a lower printing group. The printing unit has at least a throw-on configuration, an idle throw-off configuration and a blanket-changing throw-off configuration. In the blanket-changing throw-off configuration, the blanket cylinder of the upper printing group has been moved upwards relative to the position which it occupies in the throw-on configuration and in which the blanket cylinder of the lower printing group has been moved downwards relative to the position which it occupies in the throw-on configuration, so that an adequate space is provided between the blanket cylinders to allow a web of paper printed by another printing unit to pass between them.

Abstract: A printing unit for printing a web of paper is provided. The printing unit includes a frame and at least an upper printing group and a lower printing group, each printing group including a blanket cylinder and a plate cylinder. The printing unit also including a cylinder support and movement and having at least one throw-on configuration in which the blanket cylinders are pressed against each other and against the plate cylinders, and at least one throw-off configuration in which the blanket cylinders are spaced apart from each other. In the throw-off configuration, the upper blanket cylinder has been raised by a first height relative to the position which it occupies in a throw-on configuration, and the lower blanket cylinder has been lowered by a second height relative to the position which it occupies in a throw-on configuration, and the second height is different from the first height.

Abstract: A printing unit for printing a web of paper is provided. The printing unit includes a frame and at least a first and a second printing group, each printing group including a blanket cylinder and a plate cylinder. The printing unit also includes a cylinder support and movement mechanism, at least one throw-on configuration in which the blanket cylinders are pressed against each other and against the plate cylinders, and at least one throw-off configuration in which the blanket cylinders are spaced apart from each other. The support and movement mechanism includes at least one connection which connects the plate cylinder and the blanket cylinder of at least one printing group. The connection includes a region of lesser strength which is intended to break under a predetermined force.

Abstract: A printing for printing a web of paper is provided. The printing unit includes a frame and at least an upper printing group and a lower printing group. The printing unit has at least a throw-on configuration, an idle throw-off configuration and a blanket-changing throw-off configuration. In the blanket-changing throw-off configuration, the blanket cylinder of the upper printing group has been moved upwards relative to the position which it occupies in the throw-on configuration and in which the blanket cylinder of the lower printing group has been moved downwards relative to the position which it occupies in the throw-on configuration, so that an adequate space is provided between the blanket cylinders to allow a web of paper printed by another printing unit to pass between them.

Abstract: A printing unit for printing a web of paper is provided. The printing unit includes a frame and at least an upper printing group and a lower printing group, each printing group including a blanket cylinder and a plate cylinder. The printing unit also including a cylinder support and movement and having at least one throw-on configuration in which the blanket cylinders are pressed against each other and against the plate cylinders, and at least one throw-off configuration in which the blanket cylinders are spaced apart from each other. In the throw-off configuration, the upper blanket cylinder has been raised by a first height relative to the position which it occupies in a throw-on configuration, and the lower blanket cylinder has been lowered by a second height relative to the position which it occupies in a throw-on configuration, and the second height is different from the first height.