PROCESS FOR STAGED MULTIPLE YARN WINDING AND RESULTING PRODUCT

A process is disclosed wherein a plurality of layers of yarns are laid down in a diamond shaped pattern on a rotating cylindrical mandrel wherein the yarn walls forming the diamond shaped pattern cover the openings of each adjacent layer. The yarns are formed of refractory oxide filaments which are...

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Bibliographische Detailangaben
Hauptverfasser:	FORSYTHE, GEORGE D
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BRAIDING CONVEYING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TEXTILES TRANSPORTING TRIMMINGS WADDING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process is disclosed wherein a plurality of layers of yarns are laid down in a diamond shaped pattern on a rotating cylindrical mandrel wherein the yarn walls forming the diamond shaped pattern cover the openings of each adjacent layer. The yarns are formed of refractory oxide filaments which are coated with a refractory ceramic to form a filter or trap for removing particulates from combustion exhausts.