FIBER STRUCTURE AND APPLICATION THEREOF

Provided is a fiber structure in which an extra-fine fiber layer and a substrate layer are integrated deeply. The fiber structure comprises an extra-fine fiber layer 10 spreading in a plane direction, and a substrate layer 20 adjoining the extra-fine fiber layer, wherein the extra-fine fiber layer 1...

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Bibliographische Detailangaben
Hauptverfasser:	OBATA, Soichi, NAKAYAMA, Kazuhisa, OCHIAI, Toru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES BRAIDING COTTON-WOOL DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIRE-FIGHTING HUMAN NECESSITIES KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIFE-SAVING MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL NON-WOVEN FABRICS OUTERWEAR PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROTECTIVE GARMENTS SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TEXTILES TRANSPORTING TRIMMINGS WADDING WEARING APPAREL
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Beschreibung
Zusammenfassung:	Provided is a fiber structure in which an extra-fine fiber layer and a substrate layer are integrated deeply. The fiber structure comprises an extra-fine fiber layer 10 spreading in a plane direction, and a substrate layer 20 adjoining the extra-fine fiber layer, wherein the extra-fine fiber layer 10 comprises extra-fine fibers having a number average single fiber diameter of 5 µm or less; the substrate layer 20 comprises non-extra-fine fibers having a number average single fiber diameter of 7 µm or more; in a cross section along a thickness direction of the fiber structure, the substrate layer 20 contains mixture portions 12 in each of which some of the extra-fine fibers pushed between the non-extra-fine fibers are widened in a crosswise direction; and where the substrate layer is divided into three segments and each of the segments is denoted sequentially from the extra-fine fiber layer side as a proximal region P, a central region C, and a distal region D, at least a part 14 of the pushed extra-fine fibers from the extra-fine fiber layer reach the distal region D.