Abstract: The present invention relates to a method of manufacturing a security sheet comprising a security element (11), a core structure (10) for forming the security sheet, a stack (29) including such a core structure (10), a security sheet comprising the core structure (10) or stack (29) and a security document comprising the security sheet. At least one perforation (20) is formed through, from a first core surface (13) to a second core surface (14) of, at least one core layer (12) comprising plastic. A security element (11) is fed through the at least one perforation (20) such that the security element (11) extends through, from the first core surface (13) to the second core surface (14) of, the at least one core layer (12). At least one first region (17) of the security element (11) is located over part of the first core surface (13) and at least one second region (18) of the security element (11) is located over part of the second core surface (14).

Abstract: The present invention relates to a method of manufacturing a security sheet comprising a security element (11), a core structure (10) for forming the security sheet, a stack (29) including such a core structure (10), a security sheet comprising the core structure (10) or stack (29) and a security document comprising the security sheet. At least one perforation (20) is formed through, from a first core surface (13) to a second core surface (14) of, at least one core layer (12) comprising plastic. A security element (11) is fed through the at least one perforation (20) such that the security element (11) extends through, from the first core surface (13) to the second core surface (14) of, the at least one core layer (12). At least one first region (17) of the security element (11) is located over part of the first core surface (13) and at least one second region (18) of the security element (11) is located over part of the second core surface (14).

Abstract: A method for machining a flat substrate having at least one layer passes the substrate in the form of a strip, web or sheet through at least one machining tool together with a strip-like, web-like or sheet-like filler material on different levels; the substrate is positioned and held, more particularly in the vicinity of the machining tool; at least one punch-type component of the machining tool creates an opening, more particularly a window, at a predeterminable point on the substrate; the component is then moved to an area outside the opening; and in another stroke an element that matches the cross-section of the opening is punched out of the filler material by the component of the machining tool, is moved by the component towards the opening in the clamped substrate, and is placed by the component in the opening in the substrate.

Abstract: A method for producing a material strip (1) comprising microstructures, particularly a laminated material strip having at least two layers and comprising security-relevant features (18), in that at least one material strip formed by two strips (1?, 1?) running parallel to each other in an aligned manner is guided through a machine containing at least heating (8, 9), pressing (12, 13) and cooling means (10, 11), wherein transport means (2, 3) for the material strip are equipped with elements (19) that have a profile comprising the respective microstructures, and the profile is reproduced on the material strip over the course of the heating and pressing operations.

Abstract: A method for producing data carriers equipped with integrated transponders is disclosed in which the transponders are supplied in a transponder web and are covered on one side with a label, wherein the transponders are separated and aligned before being assembled with an associated label. The disclosure further includes an apparatus for producing data carriers equipped with an integrated transponder that includes a device for supplying a first web of labels and a device for supplying a web of transponders adjoining one another and includes a joining station for cutting and separating the transponders from the transponder web which divides the transponders from the web, separates them and transfers them individually to the label web.

Abstract: The invention relates to a device for laminating a layered structure (1), consisting of at least two plastic strips in sections, comprising successive panels with designs, for producing plastic cards along a conveyor path. Said device comprises heating and cooling devices (8, 9, 10, 11) which are positioned one behind the other and consist of individual compression elements, located on a common support (14), whose temperature can be controlled and which accommodate a whole number of panels and a drive unit which displaces opposing compression belts (2, 3) which can be driven intermittently in a direction of transport and between which the plastic strips can be displaced in sections through the heating and cooling devices. The aim of the invention is to provide a device which permits the production of plastic cards with a higher laminate quality.

Abstract: In the optical examination of plastic cards, the latter are illuminated with focused light, which is mixed with a diffuse component, in order reliably to discriminate even relatively slight differences in the reflectivity of the surface sections.

Abstract: The invention relates to a method of producing plastic cards with a layer structure, in each of which cards a flat coil and a chip which is connected thereto are embedded, these components being placed on a first web, to which a subsequent web for accommodating apertures for the components and at least one covering web are applied, which webs are then joined together by lamination so as to form a final web, out of which plastic cards are stamped.

Abstract: When producing plastic cards, a plurality of layers is laminated under application of heat and pressure resulting in unpredictable shrinking. In order to compensate shrinking, the laminated web is elongated to adapt to its nominal alignment size. Elongation is produced by material displacement along grid bars separating to-be-fabricated cards later punched off the web leaving a waste grid.

Abstract: When producing plastic cards, a plurality of layers is laminated under application of heat and pressure resulting in unpredictable shrinking. In order to compensate shrinking, the laminated web is elongated to adapt to its nominal alignment size. Elongation is produced by material displacement along grid bars separating to-be-fabricated cards later punched off the web leaving a waste grid.

Abstract: A machine tool comprises a spindle head displaceable in two orthogonal directions. The spindle head supports a plurality of main spindles and at least one common central driving gear. The spindle head is suspended by means of three flexible rods and a stationary main drive motor is coupled to the driving gear via a flexible shaft.To be used for milling recesses into plastic cards, the recesses being dimensioned to receive electronic chips.

Abstract: A laminating apparatus is disclosed which is particularly suited to mount holograms on plastic cards. The apparatus comprises a planar support supporting the work pieces to be laminated. A press stamp has a shape of a sector of a circular cylinder wall and is driven by means of a special gear to perform a hobbing motion along the to-be-laminated area.

Abstract: A relief printing technique wherein the material to be printed on is placed between an inked relief and a supporting assembly comprising a dressing web and a second relief reproducing the pattern of the printing relief.