EP 1964968 A1 20080903 - Wet embossed paperboard and method and apparatus for manufacturing same
Title (en)
Wet embossed paperboard and method and apparatus for manufacturing same
Title (de)
Feucht geprägte Pappe sowie Verfahren und Vorrichtung zu ihrer Herstellung
Title (fr)
Carton gaufré humide et procédé et appareil de fabrication de celui-ci
Publication
Application
Priority
US 88004807 P 20070112
Abstract (en)
A process for manufacturing an embossed paperboard comprising the steps of: forming a wet mat including more than 60 wt% of cellulose fibers; pressure molding, with at least one embossing roll, the wet mat having 20 to 70 wt% solid to create a nested surface texture thereon; and drying the embossed wet mat to obtain the embossed paperboard with a grammage ranging between 125 and 1500 grams per square meter.
IPC 8 full level
D21F 11/00 (2006.01); B31F 1/07 (2006.01); D21H 27/02 (2006.01)
CPC (source: EP US)
B31F 1/07 (2013.01 - EP US); D21F 11/006 (2013.01 - EP US); D21H 27/02 (2013.01 - EP US); B31F 2201/0733 (2013.01 - EP US); B31F 2201/0738 (2013.01 - EP US); B31F 2201/0756 (2013.01 - EP US); D21H 27/002 (2013.01 - EP US); D21H 27/30 (2013.01 - EP US)
Citation (search report)
- [X] US 5223092 A 19930629 - GRINNELL GARY C [US], et al
- [X] GB 1447077 A 19760825 - FEI M
- [X] US 4849054 A 19890718 - KLOWAK BERNARD G [US]
- [A] EP 1731296 A2 20061213 - KOCHI PREFECTURAL OFFICE [JP], et al
- [A] WO 2005106116 A1 20051110 - BIAGIOTTI GUGLIELMO [IT]
- [A] EP 1314817 A1 20030528 - VOITH PAPER PATENT GMBH [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
US 2008169072 A1 20080717; CA 2617812 A1 20080712; CA 2617812 C 20130709; EP 1964968 A1 20080903
DOCDB simple family (application)
US 1319708 A 20080111; CA 2617812 A 20080111; EP 08000461 A 20080111