EP 0632159 B1 19970326 - Headbox and process for making a multi-layer paper web
Title (en)
Headbox and process for making a multi-layer paper web
Title (de)
Stoffauflauf und Verfahren zur Erzeugung einer mehrschichtigen und mehrlagigen Papierbahn
Title (fr)
Caisse de tête et procédé pour la fabrication d'une bande de papier multi-couche
Publication
Application
Priority
DE 4321268 A 19930628
Abstract (en)
[origin: US5609726A] A multilayer headbox of a paper machine for producing a paper web with several layers having different properties, and an appropriate method therefor. In at least one first layer there is adjusted alone the fiber orientation cross profile and in at least one second layer there is adjusted alone the basis weight cross profile.
IPC 1-7
IPC 8 full level
D21F 1/02 (2006.01); D21F 1/06 (2006.01); D21F 1/08 (2006.01); D21F 9/00 (2006.01); D21F 11/04 (2006.01)
CPC (source: EP US)
D21F 9/006 (2013.01 - EP US); D21F 11/04 (2013.01 - EP US); Y10S 162/11 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE FR GB IT LI SE
DOCDB simple family (publication)
US 5609726 A 19970311; AT E150815 T1 19970415; CA 2126902 A1 19941229; DE 4321268 A1 19931202; DE 4321268 C2 19960814; DE 59402201 D1 19970430; EP 0632159 A1 19950104; EP 0632159 B1 19970326; FI 112259 B 20031114; FI 942997 A0 19940621; FI 942997 A 19941229; JP 3400109 B2 20030428; JP H07138893 A 19950530
DOCDB simple family (application)
US 26642594 A 19940627; AT 94108663 T 19940607; CA 2126902 A 19940628; DE 4321268 A 19930628; DE 59402201 T 19940607; EP 94108663 A 19940607; FI 942997 A 19940621; JP 14632994 A 19940628