Koenig & Bauer-Aktiengesellschaft

Kba-Metalprint Gmbh

Koenig & Bauer Metalprint Gmbh

Kba-Metalpring Gmbh

Stephan Behnke

Wolfgang O Reder

Kurt Johannes Weschenfelder

Karl Robert Schäfer

Bernd Kurt Masuch

Wolfgang Peter Zink

Ewald Röthlein

Karl SCHÄFER

Ralf Gumbel

Benjamin TÖRKÖ

Damian Pollok

Wolfgang Zink

A method is provided for operating a device that is usable for printing the respective lateral surface of hollow objects. The device comprises at least one mandrel wheel for holding the hollow objects on projecting expanding mandrels, and a transfer wheel for transporting the hollow objects, which transfer wheel is arranged downstream of the mandrel wheel in a transport direction of the hollow objects. The mandrel wheel and the transfer wheel are each rotatably arranged in a laterally offset manner, with respect to one another, in two different planes that are parallel to one another. Hollow objects, which are printed during ongoing printing production, are transferred from the work arbors of the mandrel wheel to the transfer wheel. During a modification of the device, from a first production of hollow objects having a first height, to a second production of hollow objects having a second height, a lateral offset between the mandrel wheel and the transfer wheel is adapted to the height of the hollow objects to be printed in the second production by automatically changing the axial position of the transfer wheel relative to the position of the mandrel wheel.

Method and device for printing the respective lateral surface of hollow objects

A device for printing on hollow bodies includes a segmented wheel. A system is used for sequentially supplying the hollow bodes to the periphery of the segmented wheel. That system includes at least one conveyor wheel and one mandrel wheel. The conveyor wheel, the mandrel wheel, and the segmented wheel are arranged in a transport direction of the hollow bodies. A plurality of driving elements are arranged on the periphery of the conveyor wheel, and a plurality of holding elements are arranged on the periphery of the mandrel wheel. Each holding element receives a respective hollow body to be printed in cooperation with the segmented wheel. The mandrel wheel and the conveying wheel each have their own drive, each of which drive is separate from a drive of the segmented wheel.

Device for printing on hollow bodies

A device for printing on hollow articles comprises a segmented wheel and an apparatus for sequentially supplying the hollow articles to the periphery of the segmented wheel. The apparatus comprises at least a conveyor wheel and a mandrel wheel, arranged in the transport direction of the hollow articles, with first the conveyor wheel, then the mandrel wheel and thereafter the segmented wheel being arranged. A plurality of driver elements are on the periphery of the conveyor wheel, and a plurality of retaining apparatuses are arranged on the periphery of the mandrel wheel. Each retaining apparatus is provided for receiving a hollow article, which is to be printed on in cooperation with the segmented wheel. The conveyor wheel has a suction apparatus for suctioning each hollow article to be supplied to the segmented wheel. The suction apparatus has a suction pump which is switched on or off in dependence on an angular position of the conveyor wheel. When the suction pump is switched on, it produces a negative pressure. A hollow article, which is to be conveyed to the mandrel wheel by the conveyor wheel and which is arranged on one of the driver elements of the conveyor wheel, is retained on the particular driver element of the conveyor wheel by the negative pressure, in an angular range of the rotating conveyor wheel.

Device for printing on hollow articles

A method for operating a device for printing hollow cylinder is provided. The device comprises a rotating segmented wheel with a plurality of printing cylinders arranged successively along the periphery of the device. A plurality of plate cylinders are provided in association with the segmented wheel. According to a printing process to be performed, a selected quantity of plate cylinders is thrown onto the segment wheel or is thrown off the segment wheel. In a first printing process, a first partial quantity of thrown-on plate cylinders transfers printing ink to a plurality of the printing blankets arranged on the segment wheel. At the end of the printing process, at least some of the plate cylinders, that were thrown on the segment wheel in the first printing process, are thrown off the rotating segment wheel. During constant uninterrupted rotation of the segment wheel, for the implementation of a second printing process, a second partial quantity of plate cylinders is thrown onto the segment wheel and respectively transfer printing ink to a plurality of the printing blankets arranged on the segment wheel. The respective printing forme of at least one plate cylinder involved in the first printing process, and uninvolved in the ongoing second printing process, is changed during the ongoing printing process.

Method for operating a device for printing hollow bodies

A method is provided for printing on hollow bodies in which the hollow bodies are printed on in a decorator having a rotating segment wheel. Printing ink provided by multiple different plate cylinders and inking units are each collected on printing blankets arranged one after another on the circumference of the segment wheel. The plate cylinders and inking units involved in the printing are arranged and set in such a way that, when printing on the hollow body, an iris print is, or at least can be implemented.

Method for printing on hollow bodies

A device for printing hollow bodies includes a segmented wheel which can be rotated about a rotational axis. The segmented wheel has multiple segments, one behind the other, on the segmented wheel circumference, each for receiving a respective printing blanket. At least one of the printing blankets, which is arranged on one of the segments, is arranged on the hollow body to be printed in a rolling manner or at least in a rollable manner. Each of the printing blankets is arranged on a plate-shaped metal support. Each plate-shaped metal support is configured to be bendable and forms a metal printing blanket, together with the printing blanket arranged on the support. Each metal printing blanket formed by the respective support, together with the printing blanket arranged on the support, is arranged or can at least be arranged on one of the segments of the segmented wheel in a replaceable manner as a whole. Each support, which is arranged on one of the segments of the segmented wheel, of the corresponding metal printing blanket, is held on the support in one of a form-fitting and a force-fitting manner.

Device for printing hollow bodies, and method for operating said device

An apparatus is comprised of a plurality of printing units for printing hollow elements. A conveying device conveys the hollow elements to be printed into a printing zone of at least one of the printing units. At least one of the printing units includes a plate cylinder to which a plate replacing mechanism is assigned.

Apparatus comprising a plurality of printing units for printing hollow elements

An inking unit of a printing unit and a device for printing on hollow bodies each have a cylindrical lateral surface. The device comprises the inking unit. The inking unit has an anilox roller which receives a printing ink from an ink reservoir and has an inking roller placed against a printing cylinder of the printing unit. A rider roller is arranged axially parallel to the anilox roller in a region between the ink reservoir and the inking roller, that region being located subsequent to the ink reservoir in a direction of rotation of the anilox roller. The ink reservoir interacts with the anilox roller. The rider roller is placed against the anilox roller. The rider roller is rotationally driven by the anilox roller by friction. The inking roller is rotationally driven by the anilox roller by friction. The plate cylinder and the anilox roller are each independently rotationally driven by a motor.

A device for printing on hollow bodies has a plurality of printing units each having a printing cylinder. At least one of the printing units has an inking unit having a chambered doctor blade that provides printing ink. The chambered doctor blade system has at least one ink pan and a doctor blade holder in a single assembly. The single assembly of the chambered doctor blade system is retained in the inking unit only on one side. The assembly of the chambered doctor blade system forms a cantilever arm on a side frame of the inking unit. The assembly of the chambered doctor blade system can be moved axially parallel to the anilox roller and can be removed from the inking unit by that movement.

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Ahrensfelde, Germany

Stephan Behnke