High bulk rolled tissue products
US8481133B2 · kind B2 · utility
32Cited by
9References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2011 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Jan 8, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31993
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Spirally wound paper products are disclosed having desirable roll bulk, firmness and softness properties. The rolled products can be made from a multiple ply tissue webs formed according to various processes. Tissue webs having basis weights greater than about 40 grams per square meter were wound into rolls having a Kershaw roll firmness of less than about 9 mm and a roll bulk of greater than about 15 cc/g. Similarly, tissue webs having basis weights less than about 40 grams per square meter were wound into rolls having a Kershaw roll firmness of less than about 9 mm and a roll bulk of greater than about 18 cc/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.