PRODUCTION METHOD FOR MULTILAYER FILTER MATERIAL AND MULTILAYER FILTER MATERIAL

The present invention provides a unitary multi-layer filtering material and a method for producing a multi-layer filtering material. The multi-layer filtering material comprises at least one filtering layer formed by a dry forming technique and comprises natural fibers and/or plastic fibers and a bi...

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Bibliographische Detailangaben
Hauptverfasser:	LINDBLAD, KAJ, SORVARI, JUHA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS 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 PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TEXTILES TRANSPORTING TRIMMINGS WADDING
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