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公开(公告)号：JP2002294528A
公开(公告)日：2002-10-09
申请号：JP2001094856
申请日：2001-03-29
Applicant: TORAY INDUSTRIES
Inventor： KASASHIMA MASATOSHI , YAMAMOTO NOBORU , HASHIMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To provide a combined polyester filament yarn with variable shrinkage suitable as a filament yarn for making a silky woven/knitted fabric having good bulkiness, drape and gloss and having good soft touch with very slight unevenness feeling. SOLUTION: This combined filament yarn is composed of higher-shrinkage component and lower-shrinkage component; wherein it is characteristic that the higher-shrinkage component consists of a copolymerized polyethylene terephthalate containing isophthalic acid constituent and 2,2-bis[4-(2- hydroxyethoxy)phenyl]propane constituent, while the lower-shrinkage component consists of polyethylene terephthalate constituent, and the variance in the boiling water shrinkage of this filament yarn is
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公开(公告)号：JP2000144528A
公开(公告)日：2000-05-26
申请号：JP31812398
申请日：1998-11-09
Applicant: TORAY INDUSTRIES
Inventor： MIZUHASHI MOTOI , YAMAMOTO NOBORU , FUKUHARA MOTOTADA
Abstract: PROBLEM TO BE SOLVED: To provide a direct spinning and drawing method for multi-yarn of one side hanging, not causing dyeing speck. SOLUTION: A plurality of polyester fiber yarns extruded from a spinneret, cooled and solidified are taken off by a roller having >=1,500 m/minute and =4,000 m/minute speed. In this case, the yarns are hung on a take-off roller 6 having >=95 deg.C surface temperature by one side hanging of less than one round, a yarn heater 5 is installed before the take-off roller 6, the yarn is not drawn in the heater 5 and the yarn temperature just before the take-off roller 6 is set by the inequality Tg+10> the yarn temperature just before the take-off roller >=Tg-30 (Tg: the glass transition temperature ( deg.C) of the yarn) and the yarn is drawn.
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公开(公告)号：JP2003268621A
公开(公告)日：2003-09-25
申请号：JP2002065210
申请日：2002-03-11
Applicant: TORAY INDUSTRIES
Inventor： YAMAMOTO NOBORU , HIROSE MASASHI
IPC: D01D10/00
Abstract: PROBLEM TO BE SOLVED: To produce a drawn synthetic fiber yarn with a stable quality free from uneven dyeing, or the like, at a low cost. SOLUTION: A molten polymer extruded through a spinneret is solidified by cooling, taken up with a take-up roller and, without winding, continuously drawn and heat-set to obtain the drawn yarn. The heating of the yarn is carried out at a heating site of a steam atmosphere on the take-up roller. COPYRIGHT: (C)2003,JPO
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公开(公告)号：JP2002348738A
公开(公告)日：2002-12-04
申请号：JP2001155337
申请日：2001-05-24
Applicant: TORAY INDUSTRIES
Inventor： YAMAMOTO NOBORU , HASHIMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To provide a stretching polyester fiber having an excellent stretching performance, a good process-passing property in higher stage processes and a good quality in the case of making it a woven or knitted fabric, and also excellent in operational stability and stability in its quality. SOLUTION: This highly stretching polyester fiber is a side by side type composite polyester fiber consisting of 2 kinds of polymers having different viscosities and satisfies the following formulae simultaneously: (1) Elongation rate in its elongation and contraction (at a load in thermal treatment: 0.18×10 cN/dtex) (A); 10 =5 interlaces/m, and (3) The maximum value in an open fiber length of the interlaced fiber (Lmax); Lmax
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公开(公告)号：JP2002088575A
公开(公告)日：2002-03-27
申请号：JP2000277907
申请日：2000-09-13
Applicant: TORAY INDUSTRIES
Inventor： YAMAMOTO NOBORU , HASHIMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To provide a basic dye-dyeable polyester fiber that has good dyeability, excellent color fastness to light, high yarn strength, excellent resistance to alkali and high dimensional stability. SOLUTION: The polyester fiber is made from a polyester modified by copolymerizing an isophthalic acid component bearing a metal sulfonate group and a glycol component with a molecular weight of 400-6,000, a polymerization degree of 80-100, and the following physical properties: (A) elongation (E) at break: 25 =130 deg.C; (D) optical birefringence (Δn): 0.10
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Patent Agency Ranking
公开(公告)号：JP2001049526A
公开(公告)日：2001-02-20
申请号：JP22073399
申请日：1999-08-04
Applicant: TORAY INDUSTRIES
Inventor： YAMAMOTO NOBORU , SHIBATA HISASHI , HASHIMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To improve heating efficiency and reduce temperature unevenness in a heating device for uniformly stretching and heat-treating by suppressing the tension change among single fibers by rectifying an accompanying air flow at the upper part of a heating device and preventing the flowing in of the air flow into the heating device in a high speed spinning method of a polyester fiber. SOLUTION: This method for producing a polyester fiber in a high speed spinning method by cooling and solidifying a polyester fiber yarn ejected from a spinneret at or lower than its glass transition temperature once at a cooling part, then performing stretching and heat-treatment while heating in a heating device, then imparting an oil agent and then taking out in a high speed, is provided by setting the opening part area of a heating device entrance as >=20 mm2 and
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公开(公告)号：JP2000136433A
公开(公告)日：2000-05-16
申请号：JP30689598
申请日：1998-10-28
Applicant: TORAY INDUSTRIES
Inventor： MIZUHASHI MOTOI , YAMAMOTO NOBORU , FUKUHARA MOTOTADA
Abstract: PROBLEM TO BE SOLVED: To provide a method for directly spinning and drawing of a multifilament yarn or a half held filament yarn without generating dyeing specks in producing polyester fibers by a direct spinning and drawing method. SOLUTION: In this direct spinning and drawing method, plural polyester fiber yarns extruded from spinnerets 1, cooled and solidified are wound on rollers 5 and 6, and subsequently drawn between rollers 6 and 7 and wound at >=4,000 m/min. In the method, the yarns are made to half held of =95 deg.C and a contact length with the rollers 5 and 6 is respectively >=0.7 m.
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公开(公告)号：JP2002020930A
公开(公告)日：2002-01-23
申请号：JP2000204593
申请日：2000-07-06
Applicant: TORAY INDUSTRIES
Inventor： KASASHIMA MASATOSHI , YAMAMOTO NOBORU , HASHIMOTO KOJI
Abstract: PROBLEM TO BE SOLVED: To obtain polyester highly shrinkable fibers having a soft touch feeling equal to or better than that of fibers obtained by a conventional two-step method of spinning and drawing by a direct spin-drawing method. SOLUTION: The polyester highly shrinkable fibers are characterized in that the fibers are highly shrinkable yarns composed of a copolymer polyethylene terephthalate containing isophthalic acid and 2,2-bis 4-(2-hydroxyethoxy) phenyl)propane and have
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公开(公告)号：JP2001200421A
公开(公告)日：2001-07-27
申请号：JP2000004219
申请日：2000-01-13
Applicant: TORAY INDUSTRIES
Inventor： KASASHIMA MASATOSHI , YAMAMOTO NOBORU , HASHIMOTO KOJI
IPC: D01D5/08
Abstract: PROBLEM TO BE SOLVED: To provide a filament yarn take-up machine capable of controlling fluctuation of the yarns on godet rollers to prevent the yarns from breaking, fluffing and sagging, by removing an accompanying air flow, and therefore capable of decreasing a pitch between the yarns and capable of easily achieving an increase in number of the filament yarns, because the fluctuation of the filament yarns is prevented. SOLUTION: This filament yarn take-up machine is equipped with a pair of godet rollers around which plural filament yarns are wound in plural turns and which mutually have an intersecting angle of >=6 deg. between both their rotation axes, wherein windbreak boards are arranged to be positioned inside the space where the filament yarns are wound around the pair of godet rollers and further to be located at least two positions near to each of the godet rollers, so that the side nearest to the godet roller among sides of the windbreak board and the rotation axis of the godet roller mutually have an intersecting angle of
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公开(公告)号：JPH1067881A
公开(公告)日：1998-03-10
申请号：JP22804796
申请日：1996-08-29
Applicant: TORAY INDUSTRIES
Inventor： YAMAMOTO NOBORU , TATSUMI HIROAKI , NAGARA KAZUNORI
Abstract: PROBLEM TO BE SOLVED: To provide a soln.-dyed black polyester compsn. which is excellent in dispersion of the contained carbon black, increases the filtering pressure little, and hardly causes thread breakage during and after spinning by incorporating a specific carbon black into a polyester. SOLUTION: A dicarboxylic acid component and a glycol component contg. 0.1-50wt.% carbon black dispersed therein and having an S content (by fluorescent X-ray analysis; the same applies hereunder) of 1,000-50,000cps, a Ca content of 100-2,000cps, and a Cl content of 100-3,000cps are subjected to transesterification and then to polymn., giving a soln.-dyed black polyester compsn. Thus, the clogging of a filter due to coarse particles formed by the agglomeration of the carbon black can be avoided and the coefficient of surface friction can be controlled by the formation of a suitable unevenness the fiber surface.
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