EP 1550754 A1 20050706 - Method for adding chemicals to a nonwoven material
Title (en)
Method for adding chemicals to a nonwoven material
Title (de)
Verfahren zum Aufbringen von Additiven auf ein Vlies
Title (fr)
Procédé d' introduction d'additifs chimiques à un nontissé
Publication
Application
Priority
SE 0303510 A 20031222
Abstract (en)
The invention comprises a method of adding a chemical additive to a fiber web of nonwoven material comprising cellulose pulp fibers and synthetic fibers and/or filaments. A hydrojet liquid comprising the chemical additive is used in at least one hydrojet treatment step, which comprises at least one vacuum collecting box, which hydrojet liquid is applied to the fiber web for penetrating the fiber web at a pressure of at least 5 bar but not more than 100 bar, in such a manner so that the chemical additive is penetrated into the fiber to fiber intersections of the nonwoven material. <IMAGE>
IPC 1-7
IPC 8 full level
D04H 1/46 (2006.01); D04H 1/492 (2012.01); D04H 1/732 (2012.01); D04H 3/02 (2006.01); D04H 3/11 (2012.01)
CPC (source: EP)
D04H 1/492 (2013.01); D04H 1/732 (2013.01); D04H 3/02 (2013.01); D04H 3/11 (2013.01)
Citation (search report)
- [AD] US 5484453 A 19960116 - BAEHR BERND-DIETER [DE], et al
- [A] US 5292581 A 19940308 - VIAZMENSKY HELEN [US], et al
- [A] US 6163943 A 20001226 - JOHANSSON BERNT [SE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04029656 A 20041215; SE 0303510 A 20031222