Patents Assigned to Leonhard Kurz
-
Patent number: 10155329Abstract: There is described an apparatus for performing the in-mold decoration method with an injection tool (1). The injection tool (1) has a first tool portion (11) having a first mold recess (13) and a second tool portion (12) having a second mold recess (15) corresponding to the first mold recess. The second tool portion (12) has at least one injection passage (12e), wherein a portion of an endless decorative film (16) can be arranged between the first tool portion (11) and the second tool portion (12). The mold recess (13) of the first tool portion (11) has a raised edge region (14) extending in a closed configuration around the mold recess (13) and having an end face (14s) which is flattened or rounded or pointed in cross-section. The second tool portion (12) has a corresponding end face (12s) parallel to the end face (14s) of the raised edge region (14).Type: GrantFiled: October 4, 2016Date of Patent: December 18, 2018Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Harald Burger, Martin Hahn
-
Patent number: 10144210Abstract: There is described a method of increasing the output of a transfer film (1) upon embossing, in particular hot embossing, wherein the transfer film (1) has a carrier film (1a) and a transfer layer portion (1b) which is releasable from the carrier film (1a). During a first embossing operation first regions (10) of the transfer layer portion (1b) which are arranged removed from each other at a spacing a are transferred by means of a first embossing tool from the transfer film (1) onto at least one substrate (2), wherein first openings (10a) are produced at the spacing a in the transfer layer portion (1b) of the transfer film (1). After the first embossing operation the transfer film (1) is wound up after the first embossing operation and fed to at least a further embossing operation.Type: GrantFiled: September 17, 2015Date of Patent: December 4, 2018Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ljubisa Drinic, Ralf Friedmann
-
Patent number: 10029505Abstract: The invention relates to a method for producing a multilayer body (100, 200, 300, 400), as well as a multilayer body (100, 200, 300, 400) produced thereby. A single- or multi-layered first decorative ply (3) is applied to a carrier ply with a first (11) and a second (12) side. A metal layer (5) is applied to the side of the first decorative ply (3) facing away from the carrier ply and structured such that the metal layer (5) is provided with a first layer thickness in one or more first zones (8) and is provided with a second layer thickness different from the first layer thickness in one or more second zones (9), wherein in particular the second layer thickness is equal to zero. A single- or multi-layered second decorative ply (7) is applied to the side of the metal layer (5) facing away from the first decorative ply (3) and structured using the metal layer (5) as mask such that the first (3) or second (7) decorative ply is at least partially removed in the first (8) or second (9) zones.Type: GrantFiled: June 26, 2014Date of Patent: July 24, 2018Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ludwig Brehm, Tibor Mannsfeld, Juri Attner, Thorsten Schaller
-
Patent number: 10019626Abstract: The invention relates to a method for authenticating an optically variable security element (1), in particular a diffractive security element, with the steps: a) capturing an image sequence with at least one individual image of the security element (1) by means of a sensor (31), in particular a hand-held device (3), preferably a smartphone, tablet or a PDA; b) checking whether at least one predetermined item of optical information is present in at least one individual image of the image sequence.Type: GrantFiled: November 28, 2014Date of Patent: July 10, 2018Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AG, ADORSYS GMBH & CO. KGInventors: Andreas Schilling, Uwe Frieser, Benno Schmitzer, Wayne Robert Tompkin, Jurgen Metzger, Ralf Wondratschek, Alexander Gugel
-
Patent number: 9956807Abstract: The invention relates to a method for producing a multi-layer body, in particular a security element, in which a partial first layer or partial first layer system is produced on a substrate, wherein the partial first layer or partial first layer system is present in a first partial area and not in a second partial area. Subsequently, a partial second layer or partial second layer system is produced, wherein the partial second layer or partial second layer system is present in a third partial area and not in a fourth partial area, and wherein the third partial area overlaps with the first and second partial areas. Finally, the partial first layer or partial first layer system is structured as a mask using the partial second layer or partial second layer system.Type: GrantFiled: November 28, 2014Date of Patent: May 1, 2018Assignees: LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AGInventors: Rene Staub, Ludwig Brehm, Patrick Kramer, Rouven Spiess, Karin Forster
-
Patent number: 9889641Abstract: A hot-stamping device (1) is described, having a stamping device (2) for transferring a transfer layer (15u) disposed on a carrier layer (15t) of a hot-stamping foil (15) onto a substrate (14). The hot-stamping device comprises a heatable stamping roller (11) and a counter-pressure roller (12), between which a stamping gap (16) is realized, in which a stamped substrate (17) is realized, and comprising a separating device (3), disposed downstream, for separating the carrier layer (15t) from the stamped substrate (17). The separating device (3) has a separating element (20), which is realized as a bar-shaped hollow body, disposed on which there is a supply for a compressed gas (21). At least one longitudinal edge of the separating element (20) is realized as a perforated separating edge (20k) having outflow openings (20a) for the compressed gas (22), for the purpose of realizing a gas cushion between the carrier layer (15t) and the separating element (20).Type: GrantFiled: October 24, 2013Date of Patent: February 13, 2018Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventor: Reinhard Bieber
-
Publication number: 20180004156Abstract: A method for producing a volume hologram with at least one first area in a first color and at least one second area in a second color includes, providing a volume hologram layer made of a photopolymer; arranging a master with a surface structure on the volume hologram layer; exposing the master using coherent light, wherein light which is incident on at least one first partial area of the surface of the master is diffracted or reflected in the direction of the at least one first area of the volume hologram layer and light which is incident on at least one second partial area of the surface of the master is diffracted or reflected in the direction of the at least one second area of the volume hologram, and wherein the light diffracted or reflected by the first and second partial areas differs in at least one optical property.Type: ApplicationFiled: January 11, 2016Publication date: January 4, 2018Applicants: OVD Kinegram AG, LEONHARD KURZ Stiftung & Co. KGInventors: Andreas Schilling, Wayne Robert Tompkin, Norbert Lutz, Achim Hansen
-
Publication number: 20170368864Abstract: A method for producing a multilayer body, with the steps of: a) providing a substrate film with a replication layer; b) molding a surface relief appearing to the observer in the form of a three-dimensional free-form surface, which is formed in particular by structures with a lens-like design generating a magnifying, demagnifying or distorting effect, into a surface of the replication layer; c) applying a first metal layer to the surface of the replication layer forming the surface relief; d) wet-chemically applying an at least partially transparent spacer layer to the metal layer; e) applying a second metal layer to the spacer layer.Type: ApplicationFiled: January 11, 2016Publication date: December 28, 2017Applicants: LEONHARD KURZ Stiftung & Co. KG, OVD Kinegram AGInventors: Harald Walter, Ludwig Brehm, Sebastian Mader, Wayne Robert Tompkin, Eser Alper Unal
-
Patent number: 9849624Abstract: A film-embossing apparatus with a hot-embossing device which has a heated embossing stamp. With the formation of a contact pressure, a transfer layer, arranged on a carrier film, of a hot-embossing film is transferred to a surface of a workpiece. The hot-embossing device has control inputs and outputs. The film-embossing apparatus has an industrial robot with control inputs and outputs. The control inputs and outputs of the hot-embossing device and of the industrial robot are connected to a control unit. The industrial robot is formed such that it guides the workpiece to the hot-embossing device, positions the workpiece on the embossing stamp, guides the workpiece past the embossing stamp, and guides the embossed workpiece away from the hot-embossing device. The industrial robot can also position the hot-embossing device on the workpiece.Type: GrantFiled: March 19, 2014Date of Patent: December 26, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ljubisa Drinic, Michael Triepel, Ralf Friedmann, Thomas Meier
-
Patent number: 9815241Abstract: A method for producing a molded body having the following steps: a) providing a foil ply; b) applying a plastic molding compound in a predefined three-dimensional shape onto the foil ply by means of a three-dimensional printing method.Type: GrantFiled: March 24, 2015Date of Patent: November 14, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Klaus Pforte, Martin Hahn
-
Patent number: 9779350Abstract: A multilayer body with a carrier and a layer arranged thereon which comprises electrically conductive material in such an arrangement comprises an information area and a background area (18) which are galvanically separated from each other. In each information area a first zone (10) with electrically conductive material is provided, over the entirety of which electrically conductive material is conductively connected to it. In each background area a plurality of second zones with electrically conductive material is provided, which are galvanically separated from each other. Each first zone (10) preferably occupies a surface area that is at least five times larger than each of the second zones. The electrically conductive material is preferably provided with an average surface coverage which varies over all information areas and background areas (18) by less than 25%.Type: GrantFiled: February 26, 2014Date of Patent: October 3, 2017Assignees: POLYIC GMBH & CO. KG, LEONHARD KURZ STIFTUNG & CO. KG, OVD KINEGRAM AGInventors: Walter Fix, Manfred Walter, Wayne Robert Tompkin, Andreas Schilling, Klaus Schmidt, Jurgen Metzger
-
Patent number: 9753488Abstract: A body (1, 1?, 1?) produced by an in-mold process has a first film (2, 2?, 2?) with at least one electrical or electronic functional layer (25). In a functional area (20a, 20a?, 20a?) of this functional layer, at least one electrical or electronic component is provided, and at least one electrical connection for this is provided in a contact area (20b, 20b?, 20b?). The first film is partially back-injection molded with a plastic main material (3, 3?, 3?) such that the contact area (20b, 20b?, 20b?) is at least partially free from this plastic main material (3). Suitable formation of the first film (2, 2?, 2?) guarantees that a tab (F) separated from the plastic main material (3, 3?, 3?) is provided which adjoins a back-injection molded part of the first film in an area of surface (20c, 20c?, 20c?) of the body which is at a distance from an edge (31, 31?) of the body delimiting the surface (30) with the first film.Type: GrantFiled: October 14, 2013Date of Patent: September 5, 2017Assignees: LEONHARD KURZ STIFTUNG & CO, KG, POLYIC GMBH & CO. KGInventors: Martin Hahn, Wolfgang Clemens, Rainer Sigritz, Ulrich Schindler, Gerald Golling
-
Patent number: 9694618Abstract: The invention relates to a method for producing a multilayer element (100), and also to a multilayer element (100) produced by said method. On and/or in a carrier ply (1) a decorative ply (3) is formed. The decorative ply (3) has a first region (8) and a second region (9). Viewed perpendicular to the plane of the carrier ply (1), the decorative ply (3) has in the first region (8) a first transmittance and in the second region (9) a second transmittance greater in comparison to the first transmittance. A layer (5) to be structured and a photoactivatable resist layer are disposed on the first side (11) of the carrier ply (1). On exposure of the resist layer through the decorative ply (3), the decorative ply (3) serves as an exposure mask. The at least one layer (5) to be structured and the resist layer are structured in register to one another by means of structuring operations synchronized with one another.Type: GrantFiled: February 21, 2014Date of Patent: July 4, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ludwig Brehm, Rene Staub
-
Patent number: 9647327Abstract: The invention relates to a multilayered film element (1) comprising a first component, more particularly an RFID antenna in the form of a multilayered film element, and to a method for fixing a second component on a film element (1) of this type. The film element (1) has a dielectric layer (10) having a front side (10V) and a rear side (10R). The film element (1) has a layer (11, 12) forming a first component, and at least one component contact area (23, 24) arranged on the front side (10V) and connected to the first component. The film element (1) has at least one thermode contact layer (30) which is arranged on the dielectric layer (10) and which, as seen perpendicularly to the dielectric layer (10), is arranged in the region of the at least one component contact area (23, 24). The thermode contact layer (30) has a thermode contact area (32) on a side facing away from the dielectric layer (10), said thermode contact area forming an outer surface of the film element (1).Type: GrantFiled: June 11, 2011Date of Patent: May 9, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ulrich Schindler, Christian Schumacher, Stefan Mieslinger
-
Patent number: 9617113Abstract: A clamping device (1) for receiving and clamping a film roll (2) is described, comprising a winding core (21) and a film reel (22) arranged on the winding core (21), wherein the clamping device (1) can be moved from an open position, in which the film roll (2) can be inserted into the clamping device (1) or removed from the clamping device (1), into a clamping position, in which the film roll (2) is clamped in the clamping device (1). The clamping device (1) comprises a grooved shaft (11) with receiving grooves (11n) arranged in the longitudinal direction offset at the same angular distance, a screw gear formed from a ring nut (12) and a lock nut (14), and clamping levers (16) arranged radially offset at the same angular distance.Type: GrantFiled: October 28, 2013Date of Patent: April 11, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventor: Reinhard Bieber
-
Patent number: 9597825Abstract: The invention relates to a multilayer body (100) for producing a decorated plastic article (50) having a surface relief (40). The multilayer body (100) comprises a relief film (1) with a first carrier film (2) and a structural layer (3), arranged on one side of the first carrier film (2). The multilayer body (100) also comprises a multilayer film (5) with a second carrier film (10) and at least one decorative layer (12, 14). The structural layer (3) is arranged here between the first carrier film (2) and the second carrier film (10). Furthermore, the multilayer body (100) has a film body (19) which comprises the relief film (1) and can be released from the at least one decorative layer (12, 14), and the at least one decorative layer (12, 14) is formed such that it can be deformed by the structural layer (3) formed as a stamped structure.Type: GrantFiled: June 18, 2010Date of Patent: March 21, 2017Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Jurgen Schmidt, Gert Jungmann, Juri Attner
-
Patent number: 9511620Abstract: A hot-stamping device (1) is described, having a stamping device (2) for transferring a transfer layer (15u) disposed on a carrier layer (15t) of a hot-stamping foil (15) on to a substrate (14). The hot-stamping device comprises a heatable stamping roller (11) and a counter-pressure roller (12), between which a stamping gap (16) is realized, and comprising a separating device (3), disposed downstream, for separating the carrier layer (15t) from the transfer layer (15u) transferred on to the substrate (14). A flat support element (18) is disposed under the stamped substrate (17), between the stamping gap (16) and the separating device (3), directly adjoining the stamping gap (16) or at a distance of <1 mm from the stamping gap (16) or overlapping the stamping gap (16).Type: GrantFiled: October 22, 2013Date of Patent: December 6, 2016Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Michael Triepel, Ralph Bieber
-
Patent number: 9511619Abstract: The invention relates to a method for hot stamping at least part of at least one band-shaped stamping foil (10, 20) onto a band-shaped substrate (30), as well as a corresponding hot stamping device. The substrate (30) to be stamped is brought together with one stamping foil (10, 20) of the at least one stamping foils (10, 20). The substrate (30) and the stamping foil (10, 20) resting thereon are guided along the periphery of a first heated stamping roller wherein, in a first stamping, a first stamping layer is stamped onto the substrate (30). The once-stamped substrate (30) is guided away from the first stamping roller and again brought together with the same or a further stamping foil (10, 20) of the at least one stamping foils (10, 20) after the first stamping roller in the direction of travel (33) of the substrate (30).Type: GrantFiled: May 4, 2012Date of Patent: December 6, 2016Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Jochen Wening, Peter Muhlfelder, Klaus Pforte
-
Patent number: 9505154Abstract: The invention relates to a mould (1) for back-injection of a plastic film (4) with molten plastic, and a corresponding process for producing a plastic moulded article in the cavity (11) formed by a first and second mould part (2, 3). The first mould part (2) has a decorating surface zone (21), a clamping surface zone (22) arranged outside of the latter, and a recessed zone (23) arranged at least outside of the decorating surface zone (21). The second mould part (3) has an inlet (31) for the molten plastic and a projecting zone (33). The projecting zone (33) is arranged so that, when the tool is closed, it engages with the recessed zone (23), in order to hold the plastic film (4) arranged between the first mould part (2) and the second mould part (3), lying on the clamping surface zone (22) of the first mould part, in the recessed zone (23) under tension.Type: GrantFiled: February 8, 2012Date of Patent: November 29, 2016Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventor: Harald Burger
-
Patent number: 9463659Abstract: The invention concerns a process for producing a film element having mutually registered metallic layers (11, 16) and a film element which can be produced by such a process. A first metallic layer (11) provided on a first surface of a flexible single-layer or multi-layer carrier film (10) and a masking layer (13) provided on the second surface of the carrier film (10), opposite to the first surface, are structured in accurate register relationship with each other by means of mutually synchronized structuring procedures. After structuring of the first metallic layer (11) and the masking layer (13) one or more further layers are applied to the first metallic layer (11). Applied to the one or more further layers (15) is a second metallic layer (16) to which a first photoactivatable layer (17) is applied.Type: GrantFiled: March 25, 2014Date of Patent: October 11, 2016Assignee: LEONHARD KURZ STIFTUNG & CO. KGInventors: Ludwig Brehm, Haymo Katschorek, Norbert Laus