Paper tissue having enhanced softness
US6344111B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1999 |
| Grant date | Feb 5, 2002 |
| Priority date | — |
| Expiry date | Apr 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24669
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A novel paper article, a method of making a paper product, and an embossing roll are disclosed for providing a paper surface region having a minority of fiber to fiber bonds broken in the paper surface region to a depth less than about 0.02 mm from the paper surface. In one aspect, the roughened embossing roll includes protuberances or depressions sized at less than about 0.1 mm. In one aspect, the roughened embossing roll includes protuberances or depressions adapted to produce paper product surface deformations in the paper surface, wherein the paper product surface deformations are invisible to an unaided human eye. The present invention provides a paper product having higher perceived softness while maintaining tensile strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.