Global Patent Index - EP 1447470 B1

EP 1447470 B1 20101020 - Pulper for producing cellulose pulp from waste paper material

Title (en)

Pulper for producing cellulose pulp from waste paper material

Title (de)

Stofflöser zur Herstellung von Zellstoff aus Altpapier

Title (fr)

Pulpeur pour la production de pâte cellulosique à partir de vieux papiers

Publication

EP 1447470 B1 20101020 (EN)

Application

EP 04100510 A 20040211

Priority

IT TO20030098 A 20030211

Abstract (en)

[origin: EP1447470A1] A pulper (1) for producing cellulose pulp from waste paper material, and having a tank (2) defining a chamber (8) and adapted to be loaded with predetermined quantities of waste paper material and water; a rotor (11) located at the bottom of the tank (2), having a number of blades (13), and rotating in a predetermined direction; and a number of nozzles (15) connected to a high-pressure water source (17) and for emitting respective high-pressure water jets inside the tank (2) in a direction having a tangential component opposite the rotation direction of the rotor. <IMAGE>

IPC 8 full level

D21B 1/34 (2006.01)

CPC (source: EP)

D21B 1/345 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1447470 A1 20040818; EP 1447470 B1 20101020; AT E485419 T1 20101115; DE 602004029629 D1 20101202; IT TO20030098 A1 20040812

DOCDB simple family (application)

EP 04100510 A 20040211; AT 04100510 T 20040211; DE 602004029629 T 20040211; IT TO20030098 A 20030211