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公开(公告)号：JPS6088119A
公开(公告)日：1985-05-17
申请号：JP19138383
申请日：1983-10-13
Applicant: TORAY INDUSTRIES
Inventor： KONNO YOSHIHIRO , TSUNEKAWA AKIO
Abstract: PURPOSE:To obtain the titled undrawn yarn like high-quality animal hair, useful as a writing brush, etc., by drawing undrawn yarn comprising butylene terephthalate as a main structural unit, having specific intrinsic viscosity and crosssectional shape in a hot solution bath, winding it around a bobbin under specific conditions, subjecting it to crimping processing. CONSTITUTION:Undrawn yarn having a structural unit comprising >=90mol% butylene terephthalate, 0.6-1.3 intrinsic viscosity, and a crosssectional shape of 5-12 leaves is drawn in a solution bath at >=50 deg.C, the drawn yarn having >=20wt% water content is wound around a bobbin having >=100mm.phi diameter at a lease degree of 2-20 deg. and 0.01-0.5g/d winding tension, subjected to crimping processing for >=2hr, to give the desired undrawn yarn having 40-400 denier of single filament fineness, a degree of rover K(%) shown by the formula I [D is fineness (denier) of drawn yarn single filament], a crimping angle C( deg.) shown by the formula II, and a number T of crimping peaks (peaks/100mm.) shown by the formula III.
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公开(公告)号：JPS6088118A
公开(公告)日：1985-05-17
申请号：JP19138283
申请日：1983-10-13
Applicant: TORAY INDUSTRIES
Inventor： KONNO YOSHIHIRO , TSUNEKAWA AKIO
Abstract: PURPOSE:The titled yarn like high-quality animal hair useful as a writing brush, etc., having a cross-sectional shape of plural leaves, by subjecting a polymer comprising butylene terephthalate as a main component to melt spinning from a spinneret having specific values of width and length of slit of spinneret hole, and spinneret area under specific condition. CONSTITUTION:A polyester having structural unit comprising >=90mol% butylene terephthalate is spun by a spinneret having 0.04-0.1mm. width W of slit of spinneret hole, 0.2-0.6mm. length L of slit of spinneret hole, and 0.08-0.3mm. of one spinneret hole area under conditions satisfying the spinning draft DR and the distance l from the spinneret face to the surface of the cooling solution of the extruded yarn shown by the formula I [D is fineness of single filament of drawn yarn (denier)], formula II, and formula III [K is ratio of length to width of slit of spinneret hole; LO is degree of rover (%), to give the desired undrawn yarn having 0.65-1.2 intrinsic viscocity, 40-400 denier of single filament fineness of drawn yarn, a cross-sectional shape of 5-12 leaves, and a degree rover(b/a)X100 of 20-55%.
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公开(公告)号：JPS5711230A
公开(公告)日：1982-01-20
申请号：JP8516480
申请日：1980-06-25
Applicant: TORAY INDUSTRIES
Inventor： KONNO YOSHIHIRO , ARAI HAJIME
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公开(公告)号：JPS52124922A
公开(公告)日：1977-10-20
申请号：JP3876076
申请日：1976-04-08
Applicant: TORAY INDUSTRIES
Inventor： ARAI HAJIME , HAYASHI EIICHI , NAKAGAWA KIYOSHI , KONNO YOSHIHIRO
Abstract: PURPOSE:To produce multifilament yarns having substantially the same processability as those containing no broken filaments by interlacing single filaments, which are cut by a jet of fluid at the time when the drawing process of the multifilament yarns completes.
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公开(公告)号：JP2001055626A
公开(公告)日：2001-02-27
申请号：JP23023699
申请日：1999-08-17
Applicant: TORAY INDUSTRIES
Inventor： SASAKI TOSHIHIRO , SHIMIZU YUZO , KONNO YOSHIHIRO
Abstract: PROBLEM TO BE SOLVED: To provide the subject polyester excellent in alkaline hydrolysis resistance, light resistance, dye-affinity to cationic dyes and dispersion dyes and useful for woven and knit fabrics by constituting of a polyester containing a predetermined amount of a specific polyoxyalkylene glycol. SOLUTION: This polyester fiber excellent in color development comprises a polyester consisting of terephthalic acid as a main acid component and ethylene glycol as a glycol component and containing 0.1-10 wt.% of a compound expressed by the formula HO(CH2CH2O)l(RO)m(CH2CH2O)nH (R is a 3-25C aliphatic hydrocarbon; l and n satisfy 1
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Patent Agency Ranking
公开(公告)号：JP2000226764A
公开(公告)日：2000-08-15
申请号：JP3041599
申请日：1999-02-08
Applicant: TORAY INDUSTRIES
Inventor： TAKEHARA KATSUMI , SUGIMURA SHOICHI , KONNO YOSHIHIRO
IPC: B68G1/00 , D01F8/14 , D04H1/541 , D06M13/02 , D06M13/244 , D06M13/282 , D06M13/292 , D04H1/54
Abstract: PROBLEM TO BE SOLVED: To obtain heat adhesive fiber having a good fatigue resistance at high temperatures and suitable for cushion materials by using a specific polymer at least in a part and adhering a specific oil solution. SOLUTION: This heat adhering fiber having =70% fatigue resistance at 70 deg.C is obtained by using the above mentioned heat adhering fiber at least in a part and integrating to have one structure by heat forming the fiber.
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公开(公告)号：JP2000226749A
公开(公告)日：2000-08-15
申请号：JP2575499
申请日：1999-02-03
Applicant: TORAY INDUSTRIES
Inventor： AONO SHOJI , KONNO YOSHIHIRO , FUJITA TOSHINORI
Abstract: PROBLEM TO BE SOLVED: To obtain an antistatic polyester spun yarn having excellent antistatic property and dyeable to in all colors including color by spinning polyester staple containing specific antistatic core-sheath conjugate polyester fiber. SOLUTION: This polyester-based spun yarn is formed by blending at least 20 wt.% of an antistatic core-sheath type conjugate fiber comprising 0.2-3 wt.% of an antistatic agent obtained by mixing a polyetheramide with 1-10 wt.% based on the polyetheramide of RSO3M [R is an 8-15C alkyl; M is alkali (earth) metal and preferably Na] into a core component based on whole conjugate fiber, 0.6-10 wt.% of delustering agent and a weight ratio of the delustering agent to the antistatic agent is 0.3-2.0, and having
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公开(公告)号：JP2000226733A
公开(公告)日：2000-08-15
申请号：JP2504399
申请日：1999-02-02
Applicant: TORAY INDUSTRIES
Inventor： TAKEHARA KATSUMI , KONNO YOSHIHIRO , TAKAHASHI HIROSHI
Abstract: PROBLEM TO BE SOLVED: To provide a matrix fiber for cushioning material suitable for the production of a cushioning material having high-temperature settling resistance and comfortableness in the use frequently exposed to high temperature such as a cushioning material for vehicle and provide a cushioning material produced by using the matrix fiber. SOLUTION: This matrix fiber for cushioning material is a polyester fiber composed of an aliphatic polyester having a melting point of >=130 deg.C. The polyester fiber has a percentage crimp of >=5% and a dry heat shrinkage of =70%.
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公开(公告)号：JP2000178827A
公开(公告)日：2000-06-27
申请号：JP35586998
申请日：1998-12-15
Applicant: TORAY INDUSTRIES
Inventor： TAKEHARA KATSUMI , SUGIMURA SHOICHI , KONNO YOSHIHIRO
Abstract: PROBLEM TO BE SOLVED: To produce polyester staple fibers for a cushioning material suitable as the cushioning material having high resistance to high-temperature permanent set in fatigue and rich in soft feeling and elasticity for uses having many chances for exposure to high temperatures such as for vehicles and the cushioning material. SOLUTION: The polyester staple fibers for a cushioning material have >=0.66 intrinsic viscosity [ηs], =75 deg.C glass transition temperature. The resistance to permanent set in fatigue at 70 deg.C is >=70% when the polyester staple fibers are used as base material fibers and the base material fibers are joined in points with heat bonding fibers.
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公开(公告)号：JPH11117145A
公开(公告)日：1999-04-27
申请号：JP28035497
申请日：1997-10-14
Applicant: TORAY INDUSTRIES
Inventor： FUJIMOTO MASUMI , MIYAMOTO JINROKU , KONNO YOSHIHIRO
Abstract: PROBLEM TO BE SOLVED: To obtain a pile cloth having a soft touch feeling, a good hair lodging resistance and a high covering property of the piling surface in a plain dyeing, and having a good printed color development in printing by containing a fiber having an S-shaped cross section in a specific wt.% in the pile part. SOLUTION: This pile cloth is obtained by containing a fiber having an S-shaped cross section in 20-100 wt.%, preferably 50-200 wt.% in the pile part. It is preferable that the ratio of lengths of vertical to horizontal directions of the S-shaped cross section (a/b) of the fiber is within 0.5-3.5 and that the single fiber fineness of the fiber having the S-shaped cross section is 1.5-6 denier.
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