POST–TRAITEMENT D'UNE BANDE DE NON–TISSE- Brevets WO9423109 (A1)

POST–TRAITEMENT D'UNE BANDE DE NON–TISSE

N° de brevet:	WO9423109 (A1)
Date de publication:	1994-10-13
Inventeur(s):	HASSENBOEHLER CHARLES B JR;WADSWORTH LARRY C;
Demandeur(s):	UNIV TENNESSEE RES CORP [US];
Classification:	B01D39/08;B01D39/16;B03C3/28;B29C55/06;B32B5/02;B32B5/26;B32B27/12;D04H1/54;D04H13/00;D06C3/00;
N° de demande:	WO1993US03090 19930326
Numéro(s) de priorité:	WO1993US03090 19930326;CA19932106372 19930326;US19920858182 19920326

A method for post treating a precursor nonwoven web having a beginning width (17A) including consolidating the web (17B) laterally and thereby reducing the maximum pore size measure of the reduced width web (17C). The resultant nonwoven width web (17C) is utilized as a filter.