Method and assembly for moistening a moving web or paperboard
US7429311B2 · kind B2 · utility
6Cited by
5References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2004 |
| Grant date | Sep 30, 2008 |
| Priority date | — |
| Expiry date | Jun 15, 2025 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21G7/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method and assembly is disclosed for moistening a web of paper or paperboard, the assembly comprising a steam blow cavity open toward a moving web (1). The steam blow cavity houses spray nozzles (5, 6, 7) at least for injecting steam into the cavity so as to form a steam atmosphere therein. Additionally, the steam blow cavity houses spray nozzles (5, 6, 7) for spraying a mist of a heated liquid onto the web (1) within the thus formed steam atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.