Method of making sanitary paper product from coarse fibers
US6387210B1 · kind B1 · utility
24Cited by
178References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1998 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Sep 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/64
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of making sanitary paper products from coarse fibers. The method includes the steps of: (a) pulping coarse fibers in water with agitation to produce a pulp slurry, the pulp from the coarse fibers having an average fines content of greater than about 40%; (b) using an effective amount of pulp washing to reduce the fines content and increase the Canadian Standard Freeness; (c) introducing the pulp at a papermaking consistency into the headbox of a paper making machine; and (d) utilizing the pulp in a paper making process to produce sanitary paper products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.