Patent ID: 7972476
Filing Date: 2011-07-05
Classification: D21H

Abstract:
1. A method for the production of a tissue paper web which is produced from a pulp suspension including fibers, the method comprising the steps of: forming the pulp suspension at least partly by a pulp suspension fraction obtained through a treatment of old paper having a refining degree of less than 30° SR directly after a refiner, the tissue paper web being of such condition that a laboratory sheet according to TAPPI 205 SP 95 (Rapid Köthen), whose breaking length measured according to TAPPI 220 and TAPPI 494 is 4.0 km or more is produced therefrom; and producing said tissue paper web from said pulp suspension formed at least partly by said pulp suspension fraction obtained through said treatment of said old paper having said refining degree of less than 30° SR directly after said refiner, said tissue paper web having a breaking length measured according to TAPPI 220 and TAPPI 494 of 4.0 km or more.