Fibrous pad structure having a variable density

The present invention relates to a fibrous pad structure having a variable density. The continuous strip-shaped webs are sliced and rubbed to form one or more continuous strip-shaped webs that are separated from each other by a constant distance. The strip-shaped webs can also be spread and lapped o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	CHIEN TOMAS JUNG-FU
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING CONVEYING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES 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 NON-WOVEN FABRICS PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STORING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES TRANSPORTING TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	The present invention relates to a fibrous pad structure having a variable density. The continuous strip-shaped webs are sliced and rubbed to form one or more continuous strip-shaped webs that are separated from each other by a constant distance. The strip-shaped webs can also be spread and lapped onto a continuous smooth fibrous web in a regular arrangement. The combined fibrous webs are corrugated and shaped into a vertical porous fibrous pad. Such a fibrous pad has a different density distribution in the transversal cross section and a continuous corrugated structure in the mechanical direction. The density of the combined fibrous pad in accordance with the present application can be adjusted according to the uses of the fibrous pad. The mechanical properties of the products made from the fibrous pad thus are adjustable to meet the requirements of different uses of the product.