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公开(公告)号：JP2001271236A
公开(公告)日：2001-10-02
申请号：JP2000083744
申请日：2000-03-24
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , MATSUKI SADAO , SATO KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a method of production and an apparatus of the production by which a false twisted yarn made of a synthetic fiber can stable be produced without causing fuzz and breakage and the false twisted yarn providing a woven and knit fabric good in drape properties, excellent in a swelling feeling and a soft feeling and having a new touch feeling different from that of conventional drawn yarns and false twisted yarns can be obtained. SOLUTION: This method for producing the false twisted yarn is characterized by installing a twist setter at the position different from the point where a filament is separated from a heater and located between the heater and a false twisting tool and continuously carrying out draw false-twisting processing so that the position of the twist setter is the starting point of twisting when an undrawn yarn is heated with the heater before twisting and then subjected to false twisting by the false twisting tool in the method for producing the false twisted yarn carrying out the draw false-twisting of the undrawn yarn made of the synthetic fiber.
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公开(公告)号：JP2000355828A
公开(公告)日：2000-12-26
申请号：JP16498699
申请日：1999-06-11
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , SATO YOSHIAKI , OCHI TAKASHI
IPC: D01F6/62
Abstract: PROBLEM TO BE SOLVED: To obtain the subject filament yarn satisfying specific physical properties and capable of giving woven/knitted fabrics with good puffiness, softness and resilience when blended filament yarns are produced using the yarn as a constituent, by treating an undrawn polyester filament yarn or the like at each specific draw ratio, draw temperature and heat-setting temperature. SOLUTION: This filament yarn is obtained by drawing and heat-setting an undrawn or semi-oriented polyester filament yarn at a draw ratio of 1.05-1.20, at a draw temperature of 90-110 deg.C and at a heat-setting temperature of 110-140 deg.C using a drawing machine having at least one pair of hot roller systems. This filament yarn thus obtained simultaneously satisfies the following characteristics: (A) elastic recovery percentage of elongation at 3% elongation is 60-8.5%, (B) boiling water shrinkage is 0-3%, and (C) dry heat shrinkage is equal to or lower than the boiling water shrinkage.
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公开(公告)号：JP2000273714A
公开(公告)日：2000-10-03
申请号：JP8559499
申请日：1999-03-29
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , SHIMIZU SHINJI , SATO YOSHIAKI
Abstract: PROBLEM TO BE SOLVED: To provide a spinneret for melt spinning capable of controlling the occurrence and growth of foreign matters at a delivery part of spinneret for a long period of time, stabilizing the flow state of a polymer at a delivery hole and reducing the frequency of spinneret correction operation. SOLUTION: This spinneret 1 equipped with a delivery hole part 4 of small diameter for extruding a thermoplastic resin has 1.5-7.5 mm pore length L of the delivery hole part 4, 0.5-0.75 mm pore diameter D and the ratio of the pore length L to the pore diameter D of 3.0-10.0. This method for melt spinning uses the spinneret for melt spinning in subjecting a thermoplastic resin to melt spinning in the large delivery amount.
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公开(公告)号：JPH09195119A
公开(公告)日：1997-07-29
申请号：JP461396
申请日：1996-01-16
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , TATSUMI HIROAKI , NOMURA NOBORU
Abstract: PROBLEM TO BE SOLVED: To inhibit the deterioration of filament spinning properties and drawing performance caused by thermal degradation of thermoplastic resin, while the polymer abnormally stays at the inlet of the spinneret by providing a chokebore part in the polymer melt-flowing hole communicating with the orifices on the spinneret. SOLUTION: A front plate 3 having polymer melt-flowing hole communicating to the orifices 5 bored on the spinneret plate 4 is set so that it comes into contact with the upper face of the spinneret 4 and a chokebore part 7 is formed in the polymer melt-flowing hole 6 to minimize the difference in the hole diameter between the front flow plate 8 and the inlet of the spinneret 9. A thermoplastic resin of high viscosity, as much as 3,000-10,000 poise at 290 deg.C, can be melt-extruded smoothly into filaments.
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公开(公告)号：JP2003096632A
公开(公告)日：2003-04-03
申请号：JP2001291897
申请日：2001-09-25
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , MATSUKI SADAO , SATO KOICHI
IPC: D02G1/02
Abstract: PROBLEM TO BE SOLVED: To provide a false-twist finished yarn having excellent stretchability attributable to a dual-structured elasticity of twist-derived elasticity and polybutylene terephthalate-characteristic rubber elasticity, and exhibiting excellent soft feeling, puffy feeling and drapability, and giving a woven twisted fabric having new feeling and touch different from fabrics made of a conventional drawn yarns a false-twisted finished yarns. SOLUTION: This false-twisted finished yarn is a multifilament yarn consisting of polybutylene terephthalate in which >=80 mol% of the recurring units is butylenes terephthalate, and satisfies the following characteristics (1) to (5): (1) a deformation degree of constituting single yarns is >=1.0 and =4 t/m and =30% and =30% and =2.5% and
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Patent Agency Ranking
公开(公告)号：JP2002249281A
公开(公告)日：2002-09-03
申请号：JP2001044790
申请日：2001-02-21
Applicant: TORAY INDUSTRIES
Inventor： NAKAZAWA MOTONOBU , MATSUKI SADAO , MATSUDA TATSUAKI
Abstract: PROBLEM TO BE SOLVED: To provide a winding method for drawn temporary twisting device capable of imparting a uniform crimp from a winding start to a winding end. SOLUTION: In this winding method of drawn temporary twine comprising winding a synthetic fiber, after drawn and temporarily twisted, on a bobbin installed to a raised spindle through a traverse guide raised and lowered in a prescribed traverse width, at least one yarn holding member is preliminarily mounted in a position lower than the traverse width of the bobbin. When the winding is completed, the spindle is stopped after the traverse guide is moved to a position lower than the lower end of the bobbin, and the winding start and winding end yarn ends are held by the yarn holding member.
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公开(公告)号：JP2000345442A
公开(公告)日：2000-12-12
申请号：JP15673499
申请日：1999-06-03
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , SATO YOSHIAKI , MATSUOKA HIROSHI
Abstract: PROBLEM TO BE SOLVED: To provide a production process for polyester filament yarns of high quality and high uniformity that can stably produce a polyester filament yarn of low-elongation and elasticity with no occurrence of package collap se, poor unreeling, yarn breakage and the like. SOLUTION: An undrawn or partially oriented polyester filament yarn is drawn with a drawing machine equipped with at least a pair of hot rollers to prepare a polyester filament yarn with an elongation modulus of 60-85% and followed by winding up the drawn filament yarn in a pirn form. At this time, take-up tension is maintained in a range of ±
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8.发明公开
公开(公告)号：EP1193336A4
公开(公告)日：2008-06-04
申请号：EP01917484
申请日：2001-03-22
Applicant: TORAY INDUSTRIES
Inventor： MATSUOKA HIROSHI , MATSUKI SADAO , MATSUDA TATSUAKI , SATOU KOUICHI , NAKAZAWA GENSHIN
Abstract: False twist yarns consisting of synthetic fibers, having, in respective specified-ranges, an elongation, an expansion/contraction restoring ratio, a crimp developing elongation ratio, a maximum shrinkage stress, a single-yarn deforming level, and the number of interlaces, being excellent in drapability, soft feeling, bulkiness, and stretchability, and having a lightweight feeling, a mild luster, and a smooth, dry feeling. The false twist yarns can create woven/knitted fabrics having a novel texture not found in those using conventional drawn yarns or false twist yarns. In a drawing false twist process provided with a heater, a false twister, and a twist setter provided between the heater and the false twister, non-drawn yarns supplied to this process are heated by the heater with a twisting action to be applied thereto by the false twister controlled by the twist setter, are allowed to pass the twist setter after heated, and then are false-twisted by the false twister with the twist setter as a twisting starting point, thereby producing false twist yarns.
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公开(公告)号：EP0908544A4
公开(公告)日：2005-03-23
申请号：EP98911101
申请日：1998-03-30
Applicant: TORAY INDUSTRIES
Inventor： NABESHIMA KEITARO , WANIBE KATSUSHIGE , CHONO RYOSUKE , TATSUMI HIROAKI , MATSUDA TATSUAKI , SHIBA TSUKASA
IPC: D01F8/14 , D02G1/02 , D02G1/18 , D02G3/26 , D02J1/22 , D04B1/20 , D02G1/00 , D02G3/04 , D03D15/04 , D04B1/14 , D04B21/00
Abstract: The present invention provides crimped yarns that comprise a conjugate multifilament yarn and make it possible to produce woven/knitted products having unique surface texture, dry touch, and stretchability; woven/knitted products comprising said crimped yarn; and production methods thereof. Said crimped yarn is a conjugate multifilament yarn comprising polyester polymer components and meets the following equations: Such a crimped yarn can be produced by subjecting a crimp-forming conjugate multifilament yarn to relaxation-heat treatment.
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公开(公告)号：JP2002249936A
公开(公告)日：2002-09-06
申请号：JP2001043431
申请日：2001-02-20
Applicant: TORAY INDUSTRIES
Inventor： MATSUDA TATSUAKI , MATSUKI SADAO , SATO KOICHI
Abstract: PROBLEM TO BE SOLVED: To provide a false-twist textured yarn comprising single filaments with randomly distributed porosity, slight in section deformation, and giving woven/knitted fabrics having excellent lightweight feeling, good in drape, soft feeling and puffy feeling and presenting touch feeling of new sense different from those given by conventional drawn yarns or false-twist textured yarns. SOLUTION: This false-twist textured yarn is characterized by meeting the following properties (1) to (7): (1) >=30% of the constituent single filaments has a porosity of >=6%, (2) the deformation degree of the constituent single filaments is 1.0-2.0, (3) elongation at break is 20-50%, (4) stretch recovery (CR) is 10-40%, (5) crimp development extension (TR) is 0.5-15%, (6) maximum shrinkage stress is 0.1-1.0 cN/dtex, and (7) number of interlacing is 4-50.
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