EP 2160107 A2 20100310 - METHOD FOR THE PRODUCTION OF TOBACCO SMOKE FILTERS
Title (en)
METHOD FOR THE PRODUCTION OF TOBACCO SMOKE FILTERS
Title (de)
VERFAHREN ZUM HERSTELLEN VON TABAKRAUCHFILTERN
Title (fr)
PROCÉDÉ DE PRODUCTION DE FILTRES POUR FUMÉE DE TABAC
Publication
Application
Priority
- EP 2008004908 W 20080618
- DE 102007029831 A 20070628
Abstract (en)
[origin: WO2009000453A2] Disclosed is a method for producing tobacco smoke filters by means of regenerated cellulose. In said method, a tow (16) of filter material containing regenerated cellulose is crimped (2) and is then opened (3). In advantageous embodiments, the tow (16) is combined (1) from several individual tows (12) prior to the crimping process.
IPC 8 full level
CPC (source: EP)
A24D 3/02 (2013.01); A24D 3/10 (2013.01); A24D 3/16 (2013.01)
Citation (search report)
See references of WO 2009000453A2
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)
DE 102007029831 A1 20090108; EP 2160107 A2 20100310; EP 2160107 B1 20121024; TW 200916001 A 20090416; WO 2009000453 A2 20081231; WO 2009000453 A3 20090319
DOCDB simple family (application)
DE 102007029831 A 20070628; EP 08773498 A 20080618; EP 2008004908 W 20080618; TW 97124284 A 20080627