LOW DENSITY MICROFIBER NONWOVEN FABRIC

• Main Authors: LINDA ANN CONNOR, SAMUEL EDWARD MARMON, LAWRENCE HOWELL SAWYER
• Format: Patent
• Language: English
• Published: 28.01.2006
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; BANDAGES, DRESSINGS OR ABSORBENT PADS; BRAIDING; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; CHEMISTRY; COMPOSITIONS BASED THEREON; 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; GENERAL PROCESSES OF COMPOUNDING; HUMAN NECESSITIES; HYGIENE; KNITTING; LACE-MAKING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; MEDICAL OR VETERINARY SCIENCE; METALLURGY; NATURAL OR ARTIFICIAL THREADS OR FIBRES; NON-WOVEN FABRICS; ORGANIC MACROMOLECULAR COMPOUNDS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; PERFORMING OPERATIONS; PROSTHESES; SPINNING; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TREATMENT OR PROTECTION OF EYES OR EARS; TRIMMINGS; WADDING; WORKING-UP

THE PRESENT INVENTION PROVIDES A LOFTY NONWOVEN WEB CONTAINING PNEUMATICALLY DRAWN FILAMENTS, WHEREIN THE WEB HAS A DENSITY FROM ABOUT 0.01 G/CC TO ABOUT 0.075 G/CC AND THE MICROFILAMENTS HAVE A WEIGHT-PER-UNIT LENGTH BETWEEN ABOUT 0.1 DTEX AND ABOUT 1.5 DTEX. THE INVENTION ALSO PROVIDES A PROCESS FOR PRODUCING THE LOFTY NONWOVEN WEB.