FILTER BAG FOR HOT GASES

As a cloth for filter bags, a laminate comprising thin layer of nonwoven poly(p-phenylene terephthalamide) needled to a felt of poly(m-phenylene isophthalamide), polyester or polyphenylenesulfide fiber felt increases the resistance to burn through by hot sparks.

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Bibliographische Detailangaben
1. Verfasser:	FORSTEN, HERMAN HANS
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING 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 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 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:	As a cloth for filter bags, a laminate comprising thin layer of nonwoven poly(p-phenylene terephthalamide) needled to a felt of poly(m-phenylene isophthalamide), polyester or polyphenylenesulfide fiber felt increases the resistance to burn through by hot sparks.