EP 0169988 B2 19960703 - Process for grading paper, and apparatus for the application of the process
Title (en)
Process for grading paper, and apparatus for the application of the process
Title (de)
Verfahren zum Veredeln von Papier und Vorrichtung zur Durchführung des Verfahrens
Title (fr)
Procédé pour l'amélioration du papier et dispositif pour l'application du procédé
Publication
Application
Priority
DE 3427967 A 19840728
Abstract (en)
[origin: EP0169988A2] 1. A method of refining paper in which a paper web is passed through at least one roll gap of a calender, in which a pressure is exerted on the paper web, the moisture content thereof being reduced to a final value, characterised in that the paper web is passed out of the roll gap or the last of the roll gaps with a moisture content which is above the final value of moisture content after which, to reduce the moisture content to the final value, it is subjected to a drying process by passing through a drying apparatus.
IPC 1-7
IPC 8 full level
D21G 1/00 (2006.01)
CPC (source: EP)
D21G 1/0093 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0169988 A2 19860205; EP 0169988 A3 19861230; EP 0169988 B1 19881221; EP 0169988 B2 19960703; AT E39373 T1 19890115; DE 3427967 A1 19860206; DE 3427967 C2 19860724; DE 3566916 D1 19890126; FI 82108 B 19900928; FI 82108 C 19910110; FI 852773 A0 19850715; FI 852773 L 19860129
DOCDB simple family (application)
EP 85105760 A 19850510; AT 85105760 T 19850510; DE 3427967 A 19840728; DE 3566916 T 19850510; FI 852773 A 19850715