Patent · US Expired

Extended nip press

US4287021A · kind A · utility

53Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 27, 1979
Grant dateSep 1, 1981
Priority date
Expiry dateAug 27, 1999

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21F3/0218
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An extended nip press for removing water from a traveling web in a paper machine including a press roll wth an elongate shoe having a concave surface facing the roll and forming an extended nip therebetween with an endless belt trained over the shoe for passing through the nip and first and second belts passing through the nip with the belt supported by a plurality of guide rolls or by an annular shell having continuous smooth outer surface extending from the outgoing side of the nip back to the oncoming side of the nip with a beam within the shell and a uniform fluid support for the shoe supported on the beam.

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