Soft through air dried tissue
US9702090B2 · kind B2 · utility
47Cited by
108References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2016 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Jun 14, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H27/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for manufacturing tissue including providing a first pulp mix, delivering a wet-end additive to the first pulp mix at a first point in the process, forming a tissue web comprising the first pulp mix after the first point in the process, monitoring the tissue web for breaks and preventing delivery of the wet-end additive to the first pulp mix at the first point in response to detecting a break in the monitoring step. In an exemplary embodiment, a switching valve is used to control delivery of the wet-end additive to the first pulp mix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.