Method for the production of tissue paper
US7972476B2 · kind B2 · utility
15Cited by
20References
78Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2006 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H15/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a method for the production of a tissue paper web, which is produced from a pulp suspension having fibers. The method according to the present invention is characterized in that the pulp suspension is formed, at least partly by, a pulp suspension fraction obtained through the treatment of old paper, has a refining degree of less than 30° SR and is 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.