NONWOVEN MATERIAL HAVING DISCRETE THREE-DIMENSIONAL DEFORMATIONS WITH IMPROVED PROTRUSION DIMENSIONS AFTER COMPRESSION

Nonwoven materials having discrete three-dimensional deformations therein forming protrusions that extend outward from the first surface of the nonwoven material and wide base openings adjacent to the second surface of the nonwoven material are disclosed. At least some of the three-dimensional defor...

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Bibliographische Detailangaben
Hauptverfasser:	ASHRAF, Arman, NETON, Janet
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING COTTON-WOOL DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MEDICAL OR VETERINARY SCIENCE NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TEXTILES TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	Nonwoven materials having discrete three-dimensional deformations therein forming protrusions that extend outward from the first surface of the nonwoven material and wide base openings adjacent to the second surface of the nonwoven material are disclosed. At least some of the three-dimensional deformations may have improved protrusion dimensions after compressive forces are applied on the nonwoven material. In some cases, at least some of the protrusions may have one or more holes therein or completely therethrough. Methods of making the same are also disclosed. La présente invention concerne des matériaux non tissés présentant des déformations distinctes en trois dimensions formant des protubérances qui s'étendent vers l'extérieur depuis la première surface du matériau non tissé et des ouvertures de base larges adjacentes à la seconde surface du matériau non tissé. Au moins certaines des déformations en trois dimensions peuvent avoir des dimensions de protubérance améliorées après l'application de forces de compression sur le matériau non tissé. Dans certains cas, au moins une partie des protubérances peuvent avoir un ou plusieurs orifices placés dans celles-ci ou les traversant complètement. L'invention concerne également des procédés de fabrication associés.