Patent ID: 7846531

Claim:
A sheet of paper comprising at least two plies of creped tissue paper having creping lines in a range of from 40 to 80 lines per cm and a degree of elongation at rupture no lower than 20%, said at least two plies of creped tissue paper including an upper ply and a lower ply, each ply having a surface measure ranging from 10 to 40 g/m 2 , wherein the upper ply is embossed and has first protuberances which are positioned as rows which form cells covering an area ranging from 1 to 20 cm 2 , the upper ply is longer in a direction of advance than the lower ply by at least 0.6%, and the upper ply is connected to the lower ply by an apex or apexes of the first protuberances so that cushions are formed inside the cells, wherein a distance between two adjacent protuberances along a row is no greater than 3 mm.