ULTRABULKY AGGREGATE OF FIBER AND ITS PRODUCTION

PURPOSE:To provide an ultrabulky aggregate composed of a polyester fiber, exhibiting a uniform density in all the longitudinal, lateral and vertical directions and having >=20cm thickness. CONSTITUTION:An aggregate prepared by blending (A) a polyester fiber with (B) a sheath-core type conjugated...

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Bibliographische Detailangaben
Hauptverfasser:	NAGATA MAKIO, MASUDA YUGORO
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING COTTON-WOOL DRESSING OR CONDITIONING OF ABRADING SURFACES FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING KNITTING LACE-MAKING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS PERFORMING OPERATIONS POLISHING SADDLERY SPINNING TEXTILES TRANSPORTING TRIMMINGS UPHOLSTERY UPHOLSTERY NOT OTHERWISE PROVIDED FOR WADDING
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an ultrabulky aggregate composed of a polyester fiber, exhibiting a uniform density in all the longitudinal, lateral and vertical directions and having >=20cm thickness. CONSTITUTION:An aggregate prepared by blending (A) a polyester fiber with (B) a sheath-core type conjugated fiber containing a low-melting component as the sheath exhibiting a melting point lower than that of the core part and melt-bonding each entangled part of the three dimensionally continuous fibers through fusion of the sheath part of this sheath-core type conjugated fiber, which exhibits >=200mm thickness, 0.02 to 0.1g/cm density and a scattering of the density within a range of + or -5% in all the longitudinal, lateral and vertical directions and applicable to a shoulder pad or a cushion material by cutting off a part thereof. The polyester fiber (A) and the sheath-core type conjugated fiber (B) containing the sheath composed of a low-melting component exhibiting a melting point lower than that of the core component are blended and the resultant card web is temporarily melt-bonded using a far infrared ray heater or a hot air heater. After the card webs are laminated corresponding to a prescribed density and thickness, held between a pair of upper and lower plates in a compressed state and charged in a steaming tank, steam is introduced therein, thus producing the objective aggregate.