B - Operations – Transporting – 42 – D
Patent
B - Operations, Transporting
42
D
B42D 15/00 (2006.01) B41M 3/14 (2006.01) B44F 1/12 (2006.01) B44F 7/00 (2006.01)
Patent
CA 2603985
The invention relates to special or security paper comprising internal touch recognition elements, which is suitable for use as legal tender or for any other type of document requiring means for facilitating touch recognition or preventing counterfeiting. The invention comprises a sheet of paper (1) containing inserted expanding agents (2) which may be centred in relation to the thickness of the sheet of paper or positioned close to the upper face and/or lower face of the sheet (1), such as to form a figure or legend. According to the invention, pressure and heat are applied to the aforementioned expanding agents, either as the paper is being produced or during subsequent processes, thereby causing the sheet (1) to expand and forming a curved, continuous relief (3) on the surface of the document.
L'invention se rapporte à un papier infalsifiable ou à un papier spécial pouvant être utilisé comme monnaie légale ou pour tout autre type de document nécessitant des moyens de reconnaissance tactile ou de prévention contre la falsification. Ledit papier se compose d'une feuille de papier (1) contenant des agents d'expansion incrustés (2) et qui peuvent être centrés en hauteur ou positionnés à proximité du côté supérieur et/ou du côté inférieur de la feuille de papier (1) de manière à former une figure ou une légende. Lorsque de la pression et de la chaleur sont appliquées à la figure ou à la légende, au cours de la phase de fabrication du papier ou au cours de processus ultérieurs, la feuille de papier se détend (1) et forme un relief (3) recourbé et continu sur la surface du document.
Baraja Carracedo Javier
Olmos Ruiz Antonio
Rubio Sanz Juan Antonio
Fabrica Nacional de Moneda Y. Timbre - Real Casa de La Moneda
Fetherstonhaugh & Co.
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