A method of manufacturing a pattern on a substrate web includes providing a production tool having a surface relief structure of elevations and depressions. The elevations correspond to a desired pattern. A curable material is applied to the elevations. The material is brought into contact with a substrate web at a first location. The substrate web and surface relief structure are transported together in contact from the first location to a second location spaced from one another along the transport direction of the substrate web. The substrate web is separated from the surface relief structure at the second location whereupon the material forming the pattern is affixed to and carried by the substrate web. The material is cured by exposure to a curing energy source, either between the first and second locations and/or after the substrate web has been separated from the surface relief structure at the second location.

A method for manufacturing laminated printed tapes, comprising the steps of: causing the advancement of a primary tape, making it adhere, with at least one segment thereof, to the lateral surface of an entrainment drum; performing at least one printing operation with application of at least one layer of ink on at least one portion of the segment of the primary tape in adhesion with the lateral surface of the entrainment drum; and subsequently laminating, on the segment of the primary tape in adhesion with the lateral surface of the entrainment drum, a secondary tape by way of the interposition of adhesive material, so as to obtain a laminated printed tape.

Provided is a heat radiating apparatus for radiating heat of a heat source in air. The heat radiating apparatus includes a support member in close contact with the heat source on a first principal surface side, a heat pipe supported by the support member, and a plurality of heat radiating fins in a space that faces a second principal surface to radiate the heat transferred by the heat pipe. The heat pipe has a first line part thermally joined with the support member, a second line part thermally joined with the heat radiating fins, and a connecting part. A plurality of heat radiating apparatuses can be connected such that the first principal surfaces are successive, and each of the plurality of heat radiating apparatuses has a receiving part for receiving the connecting parts of adjacent heat radiating apparatuses in the space that faces the second principal surface.

A system for printing on a substrate can comprise a conveyor that is configured to move the substrate along a substrate movement axis. The system can further comprise at least one print head array. Each print head array has a plurality of print heads, each print head having a respective orientation axis. The plurality of print heads can have at least a first print head and a second print head, wherein the orientation axis of the first print head is angularly offset from the orientation axis of the second print head. The first print head can be offset from the second print head along the substrate movement axis.

An ultraviolet curing apparatus includes a housing, a plurality of ultraviolet light emitting diodes (LEDs) arranged in a length direction of the housing, and at least one shutter part coupled to the housing to be movable in the length direction, to cover at least a portion of the plurality of ultraviolet LEDs to limit an irradiation region of ultraviolet light emitted by the plurality of ultraviolet LEDs.

A value-document printing machine includes, in the path of the printed material, at least a first printing site, at which first printing site a printing material passing through that first printing site can be printed, in segments, on at least a first of the two sides of that first printing material in a cycle at a print image width with a cycle length that is fixed in relation to the advancing of the printing material at the printing site, with print images of a print material length that is shorter than the cycle length. A second printing site follows next downstream that first printing site and through which the printing material passing through the printing site can likewise be printed with print images on at least a second of the sides of the printing material. A dryer device has a dryer which comprises a one- or a multi-part radiation assembly and which is arranged in the printing material path one of between the first and second printing sites and in the printing material path following the second printing site. Radiation can be supplied to the printing material passing through the dryer on the transport path of the printing material in order to dry the printing material. A control device that controls the drying unit of the dryer, with regard to activation and deactivation, is provided.

A drying assembly comprises a plurality of electromagnetic energy sources arranged to dry printing fluid deposited onto a surface of a substrate, by evaporation of a solvent fluid therefrom. The drying assembly further comprises a conveyor system configured to move the substrate in a conveying direction, and a focusing system configured to focus electromagnetic energy from the plurality of electromagnetic energy sources to form a non-uniform heating pattern on the surface of the substrate. The non-uniform heating pattern comprises a plurality of spatially separated higher and lower intensity regions distributed along the conveying direction.

A method for operating a UV curing device in a printing machine includes providing a printing material to which a UV-curing fluid or UV printing ink or varnish is applied. The printing material is paper or foil moving in a transport direction and having a width. The fluid is cured by UV radiation emitted by a fluid-cooled first UV LED emitter of the device at least in an effective range thereof. The first UV LED emitter is operated in a curing mode and at a first power, and a fluid-cooled second UV LED emitter is operated in a temperature control mode different than the curing mode and at a second power lower than the first power and different than zero. The second power and the temperature of an LED array of the second UV LED emitter is selected to cause the LED array to be free from condensate.

A method is provided for configuring a drying device in a printing machine, in particular in a value document printing machine. The printing machine has at least one printing unit which comprises an imaging cylinder having a plurality of imaging printing elements or groups of imaging printing elements which are arranged in rows and columns on its circumference. A drying device has a dryer, by which print material, passing through the dryer, is subject to radiation. The drying device is configured for ongoing or upcoming production in such a way that the print material passing through the dryer, in order to be dried, is subjected to radiation in a plurality of tracks spaced from each other by non-irradiated tracks according to the same switch-on and switch-off sequence extending over cycle length. The configuration takes place with regard to one of a lateral position and a width of the tracks to be subject to two radiation by the dryer using product-related data or information regarding one of the number and the size and the position of value items to be printed next to each other on the print material portion and one of using data which comes from a device for image capture and an evaluation comprised by the printing machine or provided in parallel to such a device.

A printing machine for printing on a printing substrate web includes a plurality of inline flexographic printing units which are disposed in a plane accessible to an operator of the machine. Each one of the two flexographic printing units of a respective duplex printing station includes a respective impression cylinder and a dryer disposed between the two impression cylinders along a path of web travel of the web of printing substrate. A method of operating the printing machine is also provided.