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1520779 Drying fibrous mats EVANS PRODUCTS CO 31 Oct 1975 [18 Nov 1974] 45380/75 Heading F4G Excess liquid impregnant 13 is removed from a fibrous mat 12, e.g. of glass fibres, by subjecting the mat to a variable flow of air which is initially at a high velocity, e.g. between 1000 and 50 feet per se...

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Bibliographische Detailangaben
1. Verfasser:	JAMES MICHAEL LONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING GRANULES OR PREFORMS MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL NAILING OR STAPLING MACHINES IN GENERAL NON-WOVEN FABRICS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES TRANSPORTING TRIMMINGS WADDING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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Zusammenfassung:	1520779 Drying fibrous mats EVANS PRODUCTS CO 31 Oct 1975 [18 Nov 1974] 45380/75 Heading F4G Excess liquid impregnant 13 is removed from a fibrous mat 12, e.g. of glass fibres, by subjecting the mat to a variable flow of air which is initially at a high velocity, e.g. between 1000 and 50 feet per second, and is rapidly, e.g. in 1 second, reduced to a low velocity, i.e. below 50 feet per second. The air may be blown as a jet through the mat, and/or, as shown, sucked through by devices 20, 21, see Figs. 3, 4 (not shown) connected through a tank 33 with a vacuum pump 34. The devices 20, 21 operate cyclically, e.g. every 4 seconds, and the mat 12, which is carried on a foraminous support 11, is passed to an oven 22.