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 light illuminating apparatus for irradiating light of a line shape extending in a first direction and having a predetermined line width in a second direction perpendicular to the first direction, includes a light emitting unit including a substrate, and a plurality of light sources arranged at a predetermined interval along the first direction on the substrate such that an optical axis is matched to a third direction perpendicular to the first and second directions, and a mirror unit having a mirror surface to reflect and focus the light. In a cross section of the mirror unit taken along a plane defined by the second direction and the third direction, a cross-sectional shape of the mirror surface is a curved shape resulting from rotation of each of a horizontal axis direction positive side part and a horizontal axis direction negative side part of a parabola y=ax.sup.2.

A machine arrangement, that sequentially processes sheet-type substrates, includes a plurality of different processing stations, one of which includes a non-impact printing device that prints the substrates. Further processing stations are a primer application device that primes the substrates and a dryer for drying the primer applied to the substrates. The primer application device and the dryer precede the non-impact printing device, in the direction of travel of the substrates. The processing station including the non-impact printing device, also includes a printing cylinder, on the circumference of which, the non-impact printing device that prints the substrates is arranged.

A method produces a printed product. The method includes transferring a first Fluid onto at least one section of printing stock, applying a second fluid, having a dewetting effect on the first fluid, onto a form configured as a relief printing form or embossing form, and transferring the second fluid to at least some points of the section. In this manner printed products of high quality can be produced.

A machine arrangement, that sequentially processes sheet-type substrates, includes a plurality of different processing stations, one of which includes a non-impact printing device that prints the substrates. Further processing stations are a primer application device that primes the substrates and a dryer for drying the primer applied to the substrates. The primer application device and the dryer precede the non-impact printing device, in the direction of travel of the substrates. The processing station including the non-impact printing device, also includes a printing cylinder, on the circumference of which, the non-impact printing device that prints the substrates is arranged.

A machine arrangement, for sequentially processing sheet-type substrates, includes a plurality of different processing stations, one of which includes a non-impact printing device that prints the substrates. The processing station, including the non-impact printing device, also includes a printing cylinder, on the circumference of which, the non-impact printing device that prints the substrates is arranged. On the circumferential surface of the printing cylinder, four substrates are or can be placed behind each other in the circumferential direction. Each of the substrates that are to be conveyed are retained in one of a force-locking and a form-fitting manner on the circumferential surface of the printing cylinder by at least one retaining element.

There is described a sheet-fed printing press (1000; 1000*) comprising at least two printing units (200; 200.1, 200.2; 200.1 *, 200.2*) located one after the other, each printing unit (200; 200.1, 200.2; 200.1 *, 200.2*) being adapted to carry out simultaneous recto-verso printing of the sheets (S) and including two printing cylinders (105, 106) cooperating with one another and forming a printing nip, the two printing cylinders (105, 106) each collecting ink patterns from at least two associated plate cylinders (15A, 15B, 16A, 16B) wherein the two printing cylinders (105, 106) are located one above the other such that the sheets (S) travel laterally through each printing unit (200; 200.1, 200.2; 200.1 *, 200.2*) from a first lateral side (201 a; 201 a*) located upstream of the printing nip to a second lateral side (201 b; 201 b*) located downstream of the printing nip, wherein a number of at least two sheet transfer elements (110, 120, 95) is provided downstream of the printing nip of a first one (200.1; 200.1 *) and upstream of the printing nip of a second one (200.2; 200.2*) of the at least two printing units (200.1, 200.2; 200.1 *, 200.2*) to transfer the sheets (S).

A machine arrangement, for sequentially processing sheet-type substrates, includes a plurality of different processing stations, one of which includes a non-impact printing device that prints the substrates. The processing station, including the non-impact printing device, also includes a printing cylinder, on the circumference of which, the non-impact printing device that prints the substrates is arranged. On the circumferential surface of the printing cylinder, four substrates are or can be placed behind each other in the circumferential direction. Each of the substrates that are to be conveyed are retained in one of a force-locking and a form-fitting manner on the circumferential surface of the printing cylinder by at least one retaining element.

An adjustable end cap for a high intensity LED light system includes an end cap body, a pivot base coupled to the end cap body and one or more adjustable fittings pivotally secured to the pivot base. Both coolant and electrical fittings can be provided. The end cap body defines passages therein that communicate with the coolant and electrical passages in the LED device. The coolant and electrical fittings can be pivoted transverse to the longitudinal axis of the LED device. Ninety degrees of pivot range for each fitting can be provided in one example.

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.