Process for making throughdried tissue using exhaust gas recovery
US6551461B2 · kind B2 · utility
73Cited by
17References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2001 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Jul 30, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21F11/145
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The energy efficiency of a throughdrying papermaking process is improved by recycling exhaust air from one or more throughdryers to further heat the web at various places in the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.