Patent ID: 6524683
Filing Date: 2003-02-25
Classification: B31F,D21H,Y10T

Abstract:
A sheet of absorbent paper made of tissue paper and having a specific surface weight of 10 to 40 g/m2, comprising a first embossed zone formed by embossment between an undeforming cylinder comprising protrusions and a cylinder fitted with a deforming cladding such that said sheet is provided with frustoconical salients on one side, tops of said salients being situated substantially in one plane and said salients corresponding to recesses on a second side; wherein the first embossed zone comprises a background base pattern of which the salients of a first height (H1) relative to said plane are present in a number greater than 30 per cm2, at least one second pattern including salient-free second zones situated within the first embossed zone and having a second height (H2) relative to said plane which is greater than the first height, and wherein a mean diameter of disks which fit into the salient-free second zones is greater than twice a mean diameter of disks which fit between the salients of the background base pattern.