Arjo Wiggins Limited

Yves Douesneau

Pierre Doublet

Jean-Paul Menez

A method for making a paper sheet comprising at least one region which is thinner than the rest of the sheet. According to the method, a first paper layer ( ) is formed on a wire in a first wet end of a paper-making machine, a second paper layer ( ) is formed on a wire in a second wet end of the paper-making machine, one of the two paper layers has a number of localized tinner regions ( ) so that the thickness (e ) of said paper layers in said regions is up to 50% less than the thickness (e ) of the rest of the sheet, and the two layers are joined together and dried. The resulting paper may be used in banknotes or checks.

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Le Kremlin Bicetre, France

Yves Douesneau