Calendering method and a calender that makes use of the method
US6418840B1 · kind B1 · utility
6Cited by
9References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21G1/0233
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A calendering method and calender in which a web material is passed through a calender, the calender being defined by two rolls having resilient roll coatings and being loaded towards each other so that due to the resilient nature of the roll coatings an extended nip is defined. Each of the calendering rolls being covered by a flexible calendering belt that is non-compressible in comparison to the roll coatings and each of the calendering belts being formed into a endless loop by passing over a respective alignment or reversing roll.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.