EP 0354846 B1 19921021 - SCREEN FOR THE PURIFICATION AND CLASSIFICATION OF A PULP SUSPENSION
Title (en)
SCREEN FOR THE PURIFICATION AND CLASSIFICATION OF A PULP SUSPENSION
Publication
Application
Priority
- FR 8810863 A 19880812
- FR 8903379 A 19890315
Abstract (en)
[origin: EP0354846A1] Screen for a paper pulp refiner and classifier of the kind consisting of the juxtaposition of members with a U cross-section comprising a flat bottom (2) provided with perforations and two side walls (3), characterised in that the members (1) with a U cross-section are arranged so that they form a wall especially of cylindrical revolution, provided with slots or holes coupled or otherwise with grooves and obstacles. <IMAGE>
IPC 1-7
IPC 8 full level
B01D 29/17 (2006.01); B01D 29/25 (2006.01); B01D 29/37 (2006.01); B07B 1/46 (2006.01); D21D 5/02 (2006.01); D21D 5/16 (2006.01)
CPC (source: EP US)
D21D 5/16 (2013.01 - EP US); Y10T 29/49604 (2015.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT SE
DOCDB simple family (publication)
EP 0354846 A1 19900214; EP 0354846 B1 19921021; CA 1338285 C 19960430; DE 68903255 D1 19921126; DE 68903255 T2 19930519; ES 2035609 T3 19930416; FI 893811 A0 19890811; FI 893811 A 19900213; FI 97243 B 19960731; FI 97243 C 19961111; JP 2837697 B2 19981216; JP H02139487 A 19900529; US 5128028 A 19920707
DOCDB simple family (application)
EP 89402248 A 19890809; CA 608131 A 19890811; DE 68903255 T 19890809; ES 89402248 T 19890809; FI 893811 A 19890811; JP 20947589 A 19890812; US 68971491 A 19910422