MACHINE FOR MANUFACTURING THE PAPER DESIGNED TO APPLY A WATERMARK AND PAPER MADE BY MEANS OF SAID MACHINE

摘要

The invention relates to a machine for manufacturing paper comprising a device equipped with a metal cloth, designed to apply a water-based film in the paper, in which the metal cloth carries, arranged in a random manner, in one or more rows, ELEMENTS OF TWO DIFFERENT NATURES, CONTRIBUTING TO ESTABLISH A SPECIFIC WATERMARK. THESE ELEMENTS INCLUDE ELEVATIONS AND HOLES, THEIR PROFILES PERPENDICULARLY TO THE PLAN OF THE METAL CANVAS HAVING THE FORM OF SCALENED TRIANGLES IN WHICH, IN ONE ROW, THE SHORT CUT 11, 13 AND 15 ALTERNATE WITH THE LONG SIDES 12, 14 AND 16. The invention also concerns the water-based paper thus obtained. / P