Patent · US Expired

Apparatus and a process for drying a paper web

US6615509B1 · kind B1 · utility

0Cited by
11References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 23, 2001
Grant dateSep 9, 2003
Priority date
Expiry dateAug 23, 2021

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21F3/0281
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for drying a fibre web of paper or paperboard is provided. The apparatus includes an adjustable heated press nip including at least one pressure device. The pressure device includes a roll, supporting one side of the web and at least two pressure shoes opposite the device and acting on the other side of the web. Each of the pressure shoes include means for providing an individual pressure respectively on the web. At least one intermediate conduit is arranged in-between the pressure shoes. The intermediate conduit includes means forming an additional individual pressure zone on the web.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.