Method for making woven or embroidered textile articles, of the type of labels, ribbons, emblems, integrating an anti-counterfeiting device, and the articles obtained by the same method

摘要

Fabric (1) includes a luminescent product (4). Woven or embroidered ribbon or label fabric (1) is produced with a phase where a luminescent product (4) is worked into its structure. It gives a signature which can be detected and evaluated to establish a given thermo-luminscent curve through monitoring irradiation. Independent claims are also included for the following: (1) a textile, including a yarn that is coated with a luminescent material (4); and (2) validation of the security signature, by exposing it to ionizing rays. The ionizing rays are X-rays, gamma or beta -rays, combined with heat. The luminescence is registered by a photomultiplier or other photon detector as a function of the heating temperature (-196 degrees C to 700 degrees C). The peaks of thermo-luminescence have a position which have an intensity which guarantees the signature of the material. Preferred Features: The luminescent characteristics of the security material (4) are known, and are recorded in a database as a reference for comparison on monitoring the material by a detector, to validate the measured thermo-luminescent curve. The luminescent material is fired under oxygen at 1400 degrees C for several hours (chosen according to the material type). It is dissolved in an appropriate ethanol solvent to give the required viscosity. The dissolved material is used to impregnate one or more of the yarns used in the woven or embroidered ribbon or label. The fabric is coated for the finished condition. The treated yarns are processed for compatibility with the other yarns used in the fabric. The emitted electrons are counted as a function of temperature, to give a curve showing the heat stimulated exoelectronic emission, where their positions and intensities give the signature. The warps (2) and wefts (3) are impregnated with the luminescent material (4). One yarn can be spun of a luminescent material.