Device and method preventing evaporation of moisture and heat losses in calendering
US6708608B2 · kind B2 · utility
3Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 23, 2002 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Jul 23, 2022 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21G1/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a calender intended to calender a paper or board web (4), which calander comprising a calendering section, in which there are at least two members, such as rolls (1, 2, 3), in nip contact, between which the web (4) being calendered is arranged to run. For reducing the moisture and heat leaving the web (4) while it is being calendered a wall (16, 17), covering at least part of the calendering section, is formed from the web (4) being calendered by changing its direction of travel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.