Patent · US Active

Method and device for treating a fibrous material web in a long nip pressing unit

US11414816B2 · kind B2 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 2019
Grant dateAug 16, 2022
Priority date
Expiry dateFeb 19, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF26B13/24
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method for treating a pulp web in a paper or tissue machine with an extended-nip press unit. This extended-nip press unit includes a shoe press roll with a revolving press belt and a backing roll, where the pulp web is dewatered in the extended press nip between the backing roll and the press belt and where the pulp web is carried on the revolving press belt of the press roll after the extended press nip to a transfer fabric that receives the pulp web. The transfer fabric is guided over a stationary transfer device in the transfer area. A corresponding device for treating the pulp web.

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