Invention Grant
US07704585B2 Paper including watermarks and/or embossings 有权
纸包括水印和/或压花

Paper including watermarks and/or embossings
Abstract:
The invention relates to improvements in paper, and in particular to the use of watermarks and/or embossings for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet of paper having at least three corners and three sides joined at said corners, wherein corner reinforcing watermarks are provided at each of said corners. Alternatively, or in addition, corner reinforcing embossings are provided at each of said corners.
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