B41F19/005

Cold foil temporary tattoo and process for making the same
10556402 · 2020-02-11 · ·

Described herein is/are cold foil adhesive methods for manufacturing temporary tattoo laminate devices, wherein the tattoos incorporate metallic foil and other decorative components. The methods provide a surprisingly rapid and efficient method for creating tattoo laminate devices which provide crisp, clear multi-color images temporary tattoos for the skin. The methods described herein provide a way to produce, in an offset printing press or flexographic printing press, numerous tattoo laminate devices at very high speeds, with unlimited colors, and crisp, clear images.

DEVICE FOR ALIGNING MAGNETIC OR MAGNETIZABLE PARTICLES AND MACHINE FOR GENERATING OPTICALLY VARIABLE IMAGE ELEMENTS
20240034052 · 2024-02-01 ·

Magnetic or magnetizable particles contained in a coating agent can be aligned using a device that includes a cylinder having a plurality of magnetic elements around its outer circumference. The magnetic elements are arranged in a matrix having columns extending in the circumferential direction and rows extending in an axially parallel manner. The magnetic elements in some columns are mounted as a group on a shared carrier element, and have a variable axial position collectively as a group and independently of the magnetic elements of an adjoining column. In these columns, at least one of the magnetic elements is arranged on the carrier element of a multi-piece cylinder body of the cylinder so as to be adjustable in the axial direction, by way of a mechanical adjusting means, and independently of at least one further magnetic element of the same column which is mounted on the same carrier element.

LARGE AREA LASER PRINTING SYSTEM AND METHOD
20240042773 · 2024-02-08 ·

Systems and methods for laser assisted deposition of a material includes a printing unit configured to print individual dot-like portions of a material from a donor substrate onto a receiving substrate, and a vacuum shuttle configured to be positionable in two or three dimensions between the printing unit and the donor substrate and to engage the donor substrate upon application of a vacuum to the vacuum shuttle. The printing unit may include a coating system and a laser. The vacuum shuttle includes a vacuum channel about its periphery and an open window through which the laser irradiates the donor substrate. The vacuum channel is fluidly coupled to a vacuum inlet for receiving a vacuum suction, thereby to engage the donor substrate and hold it taught against the bottom of the vacuum shuttle in operation. The vacuum shuttle may also include one or more distance measuring sensors and fiducial markers.

Device for aligning magnetic or magnetizable particles and machine for generating optically variable image elements

Magnetic or magnetizable particles contained in a coating agent can be aligned using a device that includes a cylinder having a plurality of magnetic elements around its outer circumference. The magnetic elements are arranged in a matrix having columns extending in the circumferential direction and rows extending in an axially parallel manner. The magnetic elements in some columns are mounted as a group on a shared carrier element, and have a variable axial position collectively as a group and independently of the magnetic elements of an adjoining column. In these columns, at least one of the magnetic elements is arranged on the carrier element of a multi-piece cylinder body of the cylinder so as to be adjustable in the axial direction, by way of a mechanical adjusting means, and independently of at least one further magnetic element of the same column which is mounted on the same carrier element.

SENSOR
20190331623 · 2019-10-31 · ·

Provided is a sensor comprising a non-conductive substrate; and a conductive layer electronically printed on one side of the substrate, wherein the conductive layer comprises: an antenna pattern for transmitting and receiving a radio signal with an external device; a sensing electrode connected to the antenna pattern via a circular wiring for sensing an impedance change due to contact with a sensing target material; and a coating electrode stacked on the sensing electrode for removing an occurrence of noise of the impedance change. Accordingly, the present invention solves the problem of a sensor, in the form of a terminal, not being compact and the problem of high manufacturing costs and low manufacturing quality of a sensor manufactured using a deposition method in order to replace such sensor with a sensor manufactured by a printing method, and solves a corrosion problem of a sensing electrode, a durability problem, etc. that may occur in the sensor of the printing method.

SYSTEM FOR FORMING SAFETY PATTERN BY MAGNETIC AND OPTICAL FIELD
20190322112 · 2019-10-24 ·

The present invention provides a system for forming a security pattern by magnetic and optical fields, comprising: a printing substrate having an inducible ink pattern printed on its surface; and at least one set of security pattern forming units through which the printing substrate passes sequentially. Each set of security pattern forming units comprises: a magnetic field and a light source each acting on a surface of the printing substrate, such that after the printing substrate passes through the security pattern forming unit, an inducible ink pattern on the surface thereof exhibits the effect of the dual function of the optical field and the magnetic field.

FOIL DEPOSITION

There is disclosed a web transfer apparatus including a web transfer roller to advance a web, a foil transfer roller to advance a foil, and a movable curing unit. The foil transfer roller is movable between a first position and a second position. In the first position, the foil transfer roller is to press the foil against the web and in the second position the foil transfer roller is to disengage the foil from the web. The movable curing unit may comprise a curing device and may be movable between a first position adjacent to the web and a second position remote from the web.

Methods And Devices For Printing On Substrates
20240181768 · 2024-06-06 ·

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.

DED ARC THREE-DIMENSIONAL ALLOY METAL POWDER PRINTING METHOD AND APPARATUS USING ARC AND ALLOY METAL POWDER CORED WIRE
20180326525 · 2018-11-15 ·

A DED arc 3D alloy metal powder cored printing method, according to an embodiment of the present invention, comprises the steps of: (a) connecting a 3D printing part to a first electrode via a ground line, contacting a second electrode, in which an electrode contact tip is tapped on a peripheral surface of an alloy metal powder cored wire, and then generating an arc by a potential difference between the first electrode and the second electrode to melt the tip of the alloy metal powder cored wire and the surface of the printing part at the same time; (b) forming a monolayer by mixing and solidifying the melt of the alloy metal powder cored wire and the melt of the surface of the printing part; and (c) stacking the monolayer by continuously performing a monolayer overlay, layer-upon-layer.

DIGITAL FLATBED CUTTERS
20240316960 · 2024-09-26 ·

A digital flatbed cutter is described. The cutter includes a flatbed on which a printed workpiece can be positioned. A head unit is movable laterally along an x-axis direction and a perpendicular y-axis direction in a parallel plane above the flatbed. The head unit includes a cutter head and a printer head. The printer head includes at least one printhead for overprinting at least part of the printed workpiece with a UV-curable ink or other coating material to provide a raised printing finish, for example. The printer head also include a UV exposure unit configured to expose the applied UV-curable ink or coating material to UV light to cure it.