Smooth and bulky rolled tissue products
US10814579B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Jan 23, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31F2201/0738
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The novel tissue products of the present invention are generally produced by calendering a tissue basesheet using at least one patterned roll. In one embodiment the patterned roll replaces the flat steel roll commonly used in calendering. The elements on the patterned roll provide a means of providing a nip having variable loading that yields a web having a smooth surface without subjecting the web to excessive compression forces and preventing excessive caliper loss. Thus, webs converted according to the present invention have comparable or better surface smoothness compared to webs converted using conventional calendering means and also retain a greater percentage of their caliper and bulk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.