sheet of a given format, security sheet, one-sheet manufacturing process, and security document

摘要

DATA SHEET, SAFETY SHEET, SHEET MANUFACTURING PROCESS, AND SAFETY DOCUMENT. The present invention relates to a sheet (1) of a given shape, which has a straight face and a back side, characterized in that it comprises at least one part made of fibrous matter (2) and at least one other part made of plastics material (3), adjacent to the part made of fibrous material (2), the parts (2, 3) being joined in an area covering the two materials and said part made of plastics (3) forming at least partially a side region free of fibrous matter from said sheet (1) and said part made of plastic material (3) comprising at least one transparent or translucent zone.