Global Patent Index - EP 1218588 A1

EP 1218588 A1 20020703 - EXTENDED NIP PRESS APPARATUS

Title (en)

EXTENDED NIP PRESS APPARATUS

Title (de)

LANGSPALTPRESSE

Title (fr)

INSTALLATION DE PRESSE A ZONE DE PINCEMENT ACCRUE

Publication

EP 1218588 A1 20020703 (EN)

Application

EP 00919238 A 20000403

Priority

  • SE 0000635 W 20000403
  • SE 9902593 A 19990706
  • US 16204399 P 19991028

Abstract (en)

[origin: WO0102642A1] The invention relates to an arrangement for impulse drying of a paper web, which arrangement comprises a shoe press arrangement (2) and a counter-roll (4), which together create an extended nip (6), said shoe press arrangement comprising a shoe (20), which displays a concave shoe mating surface which is turned toward the counter-roll (4), a support beam (12) which supports one or several pressing device(s) (16, 18) arranged to press the shoe (20) radially outwards against the counter-roll (4), a heating device (28) for heating the counter-roll surface (21), the support beam (12) displaying a central axis (36) and the counter-roll (4) displaying an axis of rotation (34) and the central axis for the support beam (12) together with the axis of rotation (34) for the counter-roll (4) defining a plane of the press (30), and the pressing device (16, 18) being arranged symmetrically in relation to the plane of the press (30) and the shoe being displaced a distance (Z) in relation to the plane of the press (30), so that the part of the shoe mating surface which is located downstream of the plane of the press is larger than the part of the shoe mating surface which is located upstream of the plane of the press (30), the shoe press arrangement consisting of a closed shoe press roll with two end walls (42) and an endless, flexible jacket (24), which is attached at the end walls with its edge parts and surrounding the support beam (12) and the shoe (2), and that the end walls (42) being rotatable about a centre of rotation (31), which is located downstream of the plane of the press (30).

IPC 1-7

D21F 3/02

IPC 8 full level

D21F 3/02 (2006.01)

CPC (source: EP)

D21F 3/0218 (2013.01); D21F 3/0281 (2013.01)

Citation (search report)

See references of WO 0102642A1

Designated contracting state (EPC)

DE

DOCDB simple family (publication)

WO 0102642 A1 20010111; WO 0102642 A8 20040401; WO 0102642 A9 20040513; EP 1218588 A1 20020703

DOCDB simple family (application)

SE 0000635 W 20000403; EP 00919238 A 20000403