EP 2087159 A1 20090812 - PROCESS FOR PREVENTING STICKING OF FIBROUS NONWOVEN WEB MATERIAL IN THE BONDING OPERATION AND APPARATUS FOR PREVENTING STICKING OF FIBROUS NONWOVEN WEB MATERIAL IN THE BONDING OPERATION
Title (en)
PROCESS FOR PREVENTING STICKING OF FIBROUS NONWOVEN WEB MATERIAL IN THE BONDING OPERATION AND APPARATUS FOR PREVENTING STICKING OF FIBROUS NONWOVEN WEB MATERIAL IN THE BONDING OPERATION
Title (de)
VERFAHREN ZUM VERHINDERN DES VERKLEBENS VON VLIESMATERIAL BEIM BONDING-PROZESS UND VORRICHTUNG ZUM VERHINDERN DES VERKLEBENS VON VLIESMATERIAL BEIM BONDING-PROZESS
Title (fr)
PROCÉDÉ ET DISPOSITIF PERMETTANT D'EMPÊCHER L'ADHÉRENCE DE MATÉRIAU NON TISSÉ LORS DE L'OPÉRATION DE LIAISON
Publication
Application
Priority
- CH 2007000511 W 20071018
- CH 17512006 A 20061103
Abstract (en)
[origin: WO2008052372A1] To prevent fusible fibres (13) in a fibrous nonwoven web material (9) from sticking to the conveyor belt (3) during the bonding operation in a bonding oven (1), the surface of the fibrous nonwoven web material (9) is briefly subjected to high heat before and/or after entry of the fibrous nonwoven web material (9) into the heating zone (7) of the bonding oven (1). As a result of the shock-like heating of the surface of the fibrous nonwoven web material (9), the fusible fibres in the fibrous nonwoven web material (9) become retracted and/or curled and sticking to the conveyor belt (3) is avoided.
IPC 8 full level
D04H 1/54 (2006.01); D04H 1/542 (2012.01); D04H 1/58 (2006.01); D04H 3/14 (2006.01)
CPC (source: EP)
D04H 1/54 (2013.01); D04H 1/542 (2013.01); D04H 3/14 (2013.01)
Citation (search report)
See references of WO 2008052372A1
Designated contracting state (EPC)
CH DE IT LI
DOCDB simple family (publication)
WO 2008052372 A1 20080508; DE 502007005875 D1 20110113; EP 2087159 A1 20090812; EP 2087159 B1 20101201
DOCDB simple family (application)
CH 2007000511 W 20071018; DE 502007005875 T 20071018; EP 07816194 A 20071018