EP 0453348 A1 19911023 - Screen for straining a classification of paper pulp.
Title (en)
Screen for straining a classification of paper pulp.
Title (de)
Sieb zum Filtrieren und Klassifizieren von Faserbrei.
Title (fr)
Tamis pour épurateur et classificateur de pâte à papier.
Publication
Application
Priority
FR 9004924 A 19900418
Abstract (en)
Screen for a paper pulp purifier or classifier, of the type consisting of the juxtaposition of lengthwise members made of folded thin metal sheet of U-shaped symmetrical overall cross-section, characterised in that the perforated bottom has an undulating profile with a rounded or angular ridge (20) so that the screening area in contact with the pulp is very appreciably increased. <IMAGE>
IPC 1-7
IPC 8 full level
B01D 29/07 (2006.01); B01D 29/25 (2006.01); B07B 1/18 (2006.01); D21D 5/16 (2006.01)
CPC (source: EP)
Citation (search report)
- [AD] EP 0354846 A1 19900214 - LAMORT E & M [FR]
- [A] WO 8912137 A1 19891214 - BELOIT CORP [US]
- [A] GB 519680 A 19400403 - JAMES WALKER
- [A] GB 2195911 A 19880420 - INGERSOLL RAND CO
Designated contracting state (EPC)
DE ES FR GB IT SE
DOCDB simple family (publication)
EP 0453348 A1 19911023; FI 911865 A0 19910417; FI 911865 A 19911019; FR 2661196 A1 19911025; FR 2661196 B1 19920717; JP H04222287 A 19920812
DOCDB simple family (application)
EP 91400922 A 19910405; FI 911865 A 19910417; FR 9004924 A 19900418; JP 7569591 A 19910315