EP 3887117 A1 20211006 - METHOD FOR PRODUCING SOLVENT-BASED FOILS OR FILMS
Title (en)
METHOD FOR PRODUCING SOLVENT-BASED FOILS OR FILMS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON LÖSUNGSMITTELBASIERTEN FOLIEN ODER FILMEN
Title (fr)
PROCÉDÉ DE PRODUCTION DE FEUILLES OU DE FILMS À BASE DE SOLVANTS
Publication
Application
Priority
- AT 510492018 A 20181127
- AT 2019060398 W 20191125
Abstract (en)
[origin: WO2020107044A1] The invention relates to a method for producing a solvent-based foil or film (23), wherein the foil/film has a width of more than 1.9 m (in particular 2 m or 2.5 m or 4 m) in a finished state, wherein in a step a) at least one material (26) is applied to a moving surface of an endless belt (1) and in a step b) is at least partially dried and/or at least partially cured, wherein evaporating a solvent results in drying and/or curing of the material, and the at least partially dried and/or at least partially cured material is removed from the surface of the endless belt in a step c), wherein in step a) the material is applied to and uniformly distributed on the endless belt (1) across a width of more than 1.9 m, wherein after step c), in order to finish the foil/film, a portion of more than 1.9 m in width of the material applied to the endless belt (1) in step a) across a width of more than 2 m (preferably of more than 2.5 m or 4 m) is left in the foil or film, after an additional process for drying and/or curing the material, to form the finished foil/film.
IPC 8 full level
B29C 41/28 (2006.01)
CPC (source: EP)
B29C 41/28 (2013.01); B29K 2001/12 (2013.01)
Citation (search report)
See references of WO 2020107044A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020107044 A1 20200604; EP 3887117 A1 20211006; TW 202030072 A 20200816
DOCDB simple family (application)
AT 2019060398 W 20191125; EP 19828186 A 20191125; TW 108136384 A 20191008