SPUNBOND LOOP MATERIAL FOR HOOK AND LOOP FASTENING SYSTEMS

A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the web as loop springs having diameters of about 1 to 3 millimeters. The web is made from a plurality of...

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Bibliographische Detailangaben
Hauptverfasser:	SHULTZ, JAY, SHELDON, GEER, ROBERT, GILLETTE, BULLWINKEL, EDWARD, PAUL, CHAMBERS, LEON, EUGENE, JR
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS BRAIDING BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE CIGARETTES CIGARS 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 HABERDASHERY HUMAN NECESSITIES HYGIENE JEWELLERY KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MEDICAL OR VETERINARY SCIENCE MOUTHPIECES FOR CIGARS OR CIGARETTES NON-WOVEN FABRICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES SMOKERS' REQUISITES TEXTILES TOBACCO TOBACCO SMOKE FILTERS TREATMENT OR PROTECTION OF EYES OR EARS TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the web as loop springs having diameters of about 1 to 3 millimeters. The web is made from a plurality of spunbond filaments laid randomly onto a moving belt. The webs of the present invention find particular utility when formed into cylinders as filters for smoking articles. In the smoking articles, the filters of the invention have a desirable degree of firmness while demonstrating an acceptable pressure drop.