Soft tissue
US5607551A · kind A · utility
390Cited by
43References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1993 |
| Grant date | Mar 4, 1997 |
| Priority date | — |
| Expiry date | Jun 24, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24455
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Soft throughdried tissues, which are sufficiently soft to serve as premium bathroom tissues, can be made without the use of a Yankee dryer. The typical Yankee functions of building machine direction and cross-machine direction stretch are replaced by a wet end rush transfer and the throughdrying fabric design, respectively. It is particularly advantageous to form the tissue with chemimechanically treated fibers in at least one layer. The resulting tissues have high bulk (about 6 cubic centimeters per gram or greater) and low stiffness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.