WO2003016603A1 - Fil a coudre pour machine compose de filaments - Google Patents
Fil a coudre pour machine compose de filaments Download PDFInfo
- Publication number
- WO2003016603A1 WO2003016603A1 PCT/JP2002/008277 JP0208277W WO03016603A1 WO 2003016603 A1 WO2003016603 A1 WO 2003016603A1 JP 0208277 W JP0208277 W JP 0208277W WO 03016603 A1 WO03016603 A1 WO 03016603A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filament
- sewing thread
- polyester filament
- yarn
- polyester
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/46—Sewing-cottons or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2967—Synthetic resin or polymer
- Y10T428/2969—Polyamide, polyimide or polyester
Definitions
- the present invention relates to a filament sewing thread capable of forming uniform stitches while maintaining the luster of a filament and having good high-speed sewing properties.
- Filament sewing threads are used for various sewings because they are glossy, have a uniform seam, and have high sewing thread strength, compared to sewing threads made of spun yarn, but pack sewing and staggering are likely to occur in untwisting. It has the disadvantage that the sewability in sewing is inferior to spun sewing threads.
- Japanese Patent Application Laid-Open No. 5-106134 discloses that two types of filament yarns having a difference of elongation of 20% or more are combined, and a loop or It is disclosed that a sewing thread having excellent flexibility can be obtained by forming a loose thread.
- a sewing thread having excellent flexibility can be obtained by forming a loose thread.
- two kinds of filament threads are separated, and the form of the stitch is biased, resulting in uniformity.
- the dyeing properties were inferior and the difference in dyeing property was noticeable when dyed.
- Japanese Patent Application Laid-Open No. Hei 9-783335 discloses that a filament yarn having a high birefringence and a filament yarn having a low birefringence are spun and mixed, and a filament yarn having a low birefringence is disposed in a sheath portion. Is disclosed, but because the sewing thread uses only the difference in birefringence, the strength of the thread decreases, or the thread slips off the pobin, making it impossible to feed the thread smoothly. May be cut by conventional filament milling. There was a problem that handleability was poor compared to thin yarn.
- An object of the present invention is to improve the disadvantages caused by the formation of loops and loosening as described above, to form a uniform seam while maintaining the luster of the filament, and to achieve high-speed sewing.
- An object of the present invention is to provide a filament sewing thread. Disclosure of the invention
- the present inventors have carried out intensive investigations and found that in order to achieve the above object, when suitably controlling the intrinsic viscosity [77) F and elongation of the filament yarn constituting the spun combined filament yarn within specific ranges, a desired filament It was determined that a sewing thread could be obtained.
- the intrinsic viscosity [? ?) A polyester filament A having an F in the range of 7 to 1.2 and an intrinsic viscosity of the polyester filament A [77]
- B is constituted by a spun mixed yarn which is mixed in a spinning stage.
- BEST MODE FOR CARRYING OUT THE INVENTION After spinning at the same time and winding them together at the same time, a so-called spinning and blending method is used.
- a general composite spinning machine (such as a conjugate spinning machine) is used.
- polyester polymers having different intrinsic viscosities are guided to the same die and spun from separate discharge holes without mixing (the method of winding them together, or the spinnerets are individually independent. It is possible to adopt a method of spinning the polymer alone, then aligning and winding, and in other words, any method can be used as long as both yarns are joined together by the completion of winding after spinning.
- the polyester used in the present invention includes polyethylene terephthalate (hereinafter abbreviated as PET), polypropylene terephthalate, polybutylene terephthalate and the like, and PET is most preferred.
- polyester filament A is extremely resistant to heat, abrasion, and strength. It is necessary to have high viscosity, and the intrinsic viscosity of the spun filament yarn [7?]! ⁇ 0.7.
- polyester filament B a polyester having an intrinsic viscosity [7?] F lower than the intrinsic viscosity [] F of the polyester filament A by 0.2 to 0.7 is used. This is because the intrinsic viscosity of the polyester filament B is lowered so that almost no thermal stress is generated, and the polyester filament A holding the torque is held by the polyester filament B, so that the back stitching and the zigzag stitching are performed. In order to prevent the torque from appearing on the sewing thread, the difference in the intrinsic viscosity is required to be 0.2 or more in order to prevent the torque from developing.
- the difference exceeds 0.7, the polyester filament A
- the strength of the fiber is too low, and the single fiber is cut when the sewing machine is stitched, causing the seam to be disturbed and the uniformity to be reduced.
- the preferred intrinsic viscosity difference is between 0.3 and 0.6. Higher is better, but when the same spinning conditions are used, the lower the intrinsic viscosity, the higher the elongation.
- the polyester filament B contains an orientation inhibitor.
- the orientation inhibitor refers to an agent having an action of suppressing the orientation of the polyester filament B and increasing the elongation.
- a polystyrene-based polymer, a polymethacrylate-based polymer, or a polymethylpentene-based polymer One example is given, but not limited to this.
- any method can be adopted as a method for incorporating the above-mentioned alignment inhibitor, for example, it may be performed in the polymerization process of PET, or PET and the polymer are melt-mixed, extruded, and cooled. It may be cut and chipped. Further, the two may be mixed in a chip form and then directly melt-spun.
- the content of the orientation inhibitor is preferably in the range of 0.5 to 8.0% by weight based on the total weight of the polyester filament B.
- the content is less than 0.5% by weight, the effect of high elongation is not sufficiently exhibited.
- the content exceeds 8.0% by weight, The thread strength becomes extremely low, and single thread breakage may occur even at low speed sewing machine rotation.
- a more preferred content of the orientation inhibitor is 0.5 to 5.0% by weight.
- the spinning fiber blending method is adopted.
- This is a spinning winding method in which the polyester fiber filament A and the polyester filament B are mixed in a single fiber order by the time of spinning. This is because it is necessary to adopt
- the spinning fiber blending method particularly well-mixed includes the above-described spinneret having the same spinneret and randomly dispersing the discharge holes of the spinneret, or a spinneret having an outer hole and an inner ring hole, or a half-hole.
- the spinneret temperature should be set to a temperature suitable for both polymers when spinning with the same spinneret. If separate spinnerets are used, the spinneret temperatures should be set separately.
- spinning speed increasing the yarn direction speed increases the elongation difference after drawing, but the yarn strength after drawing is lower than that of a low spinning speed yarn. Therefore, if higher productivity is required than yarn strength, a high spinning speed may be selected. Furthermore, it may be produced by a method in which spinning and drawing are directly connected, or a method in which drawing is achieved only by high-speed spinning may be adopted.
- a process for improving the fiber mixing property between the polyester filament A and the polyester filament B is performed using an air entanglement device such as an interlace. Is also good.
- the strength of the polyester filament small A is preferably as high as possible, and more preferably 5.0 g / dtex or more. More preferably, it is 5.4 g / dteX or more.
- the polyester filament B also preferably has a strength of 1.3 g ZdteX or more in order to withstand friction and tensile stress during sewing. It is more preferably at least 1.5 g / dteX.
- the strength of the entire sewing thread is preferably at least 4. ⁇ g / dtex, more preferably at least 4.3 g / dtex.
- the mixing ratio of the polyester oleorefilament A and the polyester oleofilament B is about 7: 3 to 9: 1.
- Polyester filament A has a mixed ratio of 7: If the ratio is less than 3, the stress required for the sewing thread is insufficient. On the other hand, if the mixing ratio of the polyester filament A exceeds 9: 1, the heat setting property of the polyester filament B is insufficient and the torque generation of the sewing thread is suppressed. It can be difficult.
- Preferable ⁇ The mixing ratio is 8: 2.
- the number of polyester filaments is preferably 8 or more, and the number of polyester filaments B is preferably 3 or more. If the number of filaments is less than this, uneven mixing may occur, resulting in uneven seams.
- the total number of preferred fibers is in the range of 15 to 48, and if it is larger than this, it is not preferable because the single fiber fineness becomes too thin and the yarn strength decreases. It is not preferable because it goes in the direction of the dagger.
- the sewing thread according to the present invention uses a difference in heat setting property due to a difference in intrinsic viscosity and a difference in elongation without using a loop or loosening unlike a conventional sewing thread. To provide. In other words, even if a large loop or looseness is not formed as in the sewing thread disclosed in Japanese Patent Application Laid-Open No. 5-106134, a sufficient heat setting effect can be obtained by forming a position in the sewing thread. It is presumed that since the appearance and the single fiber portion of the sewing thread in contact with the sewing needle and the base fabric being sewn are replaced at random, heat transfer is prevented and the flexibility is improved.
- this causes the fibers received by the sewing machine needle and the base cloth to be constantly replaced without dragging the fibers for a long time, allowing the fibers to pass by before being damaged, so that the sewing thread that can withstand high-speed sewing can be used. Obtainable.
- polyester filament B contains an orientation inhibitor, it is considered that ultrafine crystal nuclei can be generated in the filament, and a fiber structure more advantageous for the heat setting property can be formed.
- the sewing thread of the present invention in order to minimize the non-uniformity of the seam caused by the loop, it is preferable to dye under a tension so that the sewing thread does not shrink in the dyeing step of the sewing thread.
- the cheese-shaped rolled dyeing pot Among them, a method of crushing and dyeing a large number of chips at once can be adopted. With this method, tension is applied to the entire cheese and the density of the fibers is high. Therefore, even if the yarn has high elongation, a loop is not formed, and a uniform filament yarn is formed. be able to.
- Intrinsic viscosity was measured in orthochlorophenol at 25 ° C by a conventional method. However, in Examples 5 to 7 using an orientation inhibitor described below, a filament not containing the orientation inhibitor was produced under the same conditions as in the example, and the intrinsic viscosity was measured.
- PET with different intrinsic viscosity containing 0.02% by weight of titanium oxide as a polymer for polyester filament A, and PET with different intrinsic viscosity without containing a matting agent such as titanium oxide as a polymer for polyester filament B Were prepared and dried at 160 ° C for 4 hours. After melting both of the above polymers at 300 ° C, the polymer for polyester filament A is discharged from hole 15 and the polymer for polyester filament B from hole 5 using a half-split die. After cooling and solidifying with air at room temperature in the horizontal-blow spinning cylinder provided in, the oil agent is applied in a state where both yarns are mixed, and then taken out at a rate of 1200 mZ, 180 dtex x 20 filaments Was obtained. The unstretched material was composed of 144 dtex polyester filament A and 36 dtex polyester filament B.
- this undrawn yarn was set on a drawing machine and drawn under the following conditions. That is, the surface temperature of the 90 mm diameter preheated roller is 90 ° C, the speed is 20 Om / min, 6 turns, and then the surface temperature of the stretch set roller 12 mm in diameter is 140 ° C. ° C, stretching and heat setting were completed by making 4 turns at a speed of 60 Om / min, then the surface temperature of the secondary set roller with a diameter of 12 Omm was set to 200 ° C, and the speed was set to 5 ° C. After making 4 turns at 95 mZ, the heat set was added and the film was wound. The average fineness of the obtained drawn yarn was 59 dtex.
- Table 1 shows the performance of the obtained drawn yarn and sewing thread.
- the average elongation of the polyester filament A and polyester filament B in the drawn yarn was determined by randomly extracting five single fibers from the drawn yarn and using a single fiber strong elongation measuring machine. It is represented by [table 1 ]
- Example 1 showed good flexibility in both lockstitching and pack stitching. Although the appearance of the sewing thread after sewing was slightly broken, the level was practically acceptable.
- Examples 2 to 4 showed good flexibility without any problem in both the lock stitch and the pack stitch, and the sewing thread appearance was uniform and rich in gloss.
- PET which does not contain a matting agent such as titanium oxide, as a polymer for polyester filament A, and which does not contain a matting agent, such as titanium oxide, as a polymer for polyester filament B, has a lower intrinsic viscosity than the aforementioned polymer.
- PET was prepared and dried at 160 ° C for 4 hours.
- a polymer for polyester filament B was mixed with a polymethyl methacrylate (Delpet 8ON, manufactured by Asahi Kasei Corporation) as an orientation inhibitor in a chip form at a ratio of 0.5 to 8.0%.
- the polymer is melted at 300 ° C with a screw-type melt extruder, and the polymer for polyester filament A is discharged from 15 holes and the polymer for polyester filament B from 5 holes using a half-split die.
- the undrawn yarn was composed of a low elongation yarn of 144 dtex and a high elongation yarn of 36 dtex.
- this undrawn yarn was set on a drawing machine and drawn under the following conditions. That is, the surface temperature of the preheated roller having a diameter of 9 Omm is set to 90 ° C, and 6 turns are performed at a speed of 20 Om / min. Stretching and heat setting are completed by making 4 turns in 1 minute, then the surface temperature of the secondary set roller with a diameter of 12 Om m is set to 200 ° C, and 4 turns are performed at a speed of 595 m / min. Wound up. The average fineness of the obtained drawn yarn was 59 dtex.
- the three yarns are combined and Z twisted at 105 OTV M to form a sewing thread, wound around cheese, and 130 ° (:, 40 minutes dyeing
- the cheeses were overlaid and subjected to a compressive load while applying tension to the drawn yarn.
- Table 2 shows the performance of the obtained drawn yarn and sewing thread.
- the polyester in the drawn yarn The strong elongation is an average value obtained by randomly extracting five single fibers from the drawn yarn and measuring them with a single fiber strong elongation measuring machine.
- Examples 5 and 6 showed good sewability without any problem in both the lock stitch and the pack stitch, and the sewing thread appearance was uniform and rich in gloss.
- Example 7 showed good flexibility in both lockstitching and pack stitching.
- the sewing machine thread 1 ⁇ view after sewing showed a slight break in single thread, but was at a level that was completely satisfactory for practical use.
- the defect resulting from the formation of a loop and slack which the conventional sewing thread has can be improved, a uniform seam can be formed while keeping the luster of the filament, and the high-speed sewing property is good.
- the present invention provides a simple filament sewing thread.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Nonwoven Fabrics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02760635A EP1418260B1 (en) | 2001-08-16 | 2002-08-14 | Filament machine sewing yarn |
US10/468,103 US6811872B2 (en) | 2001-08-16 | 2002-08-14 | Filament machine sewing thread |
KR1020037007093A KR100883286B1 (ko) | 2001-08-16 | 2002-08-14 | 필라멘트 재봉사 |
DE60218483T DE60218483T2 (de) | 2001-08-16 | 2002-08-14 | Aus filamenten bestehender maschineller nähfaden |
HK04106915A HK1064132A1 (en) | 2001-08-16 | 2004-09-11 | Filament machine sewing yarn |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-246979 | 2001-08-16 | ||
JP2001246979A JP2003055853A (ja) | 2001-08-16 | 2001-08-16 | フイラメントミシン糸 |
JP2001-247720 | 2001-08-17 | ||
JP2001247720A JP2003055854A (ja) | 2001-08-17 | 2001-08-17 | スパナイズミシン糸 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003016603A1 true WO2003016603A1 (fr) | 2003-02-27 |
Family
ID=26620576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/008277 WO2003016603A1 (fr) | 2001-08-16 | 2002-08-14 | Fil a coudre pour machine compose de filaments |
Country Status (8)
Country | Link |
---|---|
US (1) | US6811872B2 (ja) |
EP (1) | EP1418260B1 (ja) |
KR (1) | KR100883286B1 (ja) |
CN (1) | CN1316084C (ja) |
AT (1) | ATE355406T1 (ja) |
DE (1) | DE60218483T2 (ja) |
HK (1) | HK1064132A1 (ja) |
WO (1) | WO2003016603A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4339760B2 (ja) * | 2004-07-30 | 2009-10-07 | 帝人ファイバー株式会社 | 混繊糸および織編物 |
CN101713113B (zh) * | 2008-10-06 | 2012-05-23 | 上海水星家用纺织品股份有限公司 | 一种玉米纤维多功能线 |
CN102108575A (zh) * | 2011-03-17 | 2011-06-29 | 滁州市南谯制线厂 | 医疗防护用品专用缝纫线 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06128834A (ja) * | 1992-09-03 | 1994-05-10 | Teijin Ltd | スパナイズミシン糸 |
JPH08158188A (ja) * | 1994-12-05 | 1996-06-18 | Teijin Ltd | ポリエステルミシン糸の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6059120A (ja) * | 1983-09-12 | 1985-04-05 | Toray Ind Inc | 刺しゆうミシン糸用改質ポリエステルフイラメント |
JP3200120B2 (ja) | 1991-10-16 | 2001-08-20 | 帝人株式会社 | 複合ミシン糸 |
EP0591827B1 (de) * | 1992-10-03 | 1999-08-25 | Hoechst Aktiengesellschaft | Coregarne enthaltend eine Seele aus hochfestem Polyestermaterial sowie Verfahren zu deren Herstellung |
DE4430633A1 (de) * | 1994-08-29 | 1996-03-07 | Hoechst Ag | Zweikomponenten-Schlingengarne, Verfahren zu deren Herstellung und deren Verwendung als Nähgarne und Stickgarne |
JP3103023B2 (ja) | 1995-09-14 | 2000-10-23 | 帝人株式会社 | 複合ミシン糸の製造方法 |
DE19911757A1 (de) * | 1999-03-16 | 2000-09-21 | Amann & Soehne | Nähgarn sowie Verfahren zur Herstellung eines Nähgarnes |
JP4212779B2 (ja) * | 2001-01-12 | 2009-01-21 | 帝人ファイバー株式会社 | ポリエステル嵩高複合糸及びその製造方法 |
-
2002
- 2002-08-14 DE DE60218483T patent/DE60218483T2/de not_active Expired - Lifetime
- 2002-08-14 US US10/468,103 patent/US6811872B2/en not_active Expired - Lifetime
- 2002-08-14 EP EP02760635A patent/EP1418260B1/en not_active Expired - Lifetime
- 2002-08-14 WO PCT/JP2002/008277 patent/WO2003016603A1/ja active IP Right Grant
- 2002-08-14 KR KR1020037007093A patent/KR100883286B1/ko active IP Right Grant
- 2002-08-14 CN CNB028032004A patent/CN1316084C/zh not_active Expired - Lifetime
- 2002-08-14 AT AT02760635T patent/ATE355406T1/de not_active IP Right Cessation
-
2004
- 2004-09-11 HK HK04106915A patent/HK1064132A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06128834A (ja) * | 1992-09-03 | 1994-05-10 | Teijin Ltd | スパナイズミシン糸 |
JPH08158188A (ja) * | 1994-12-05 | 1996-06-18 | Teijin Ltd | ポリエステルミシン糸の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1418260A1 (en) | 2004-05-12 |
KR100883286B1 (ko) | 2009-02-11 |
US6811872B2 (en) | 2004-11-02 |
CN1316084C (zh) | 2007-05-16 |
EP1418260A4 (en) | 2005-09-21 |
KR20040031687A (ko) | 2004-04-13 |
CN1478158A (zh) | 2004-02-25 |
EP1418260B1 (en) | 2007-02-28 |
US20040091703A1 (en) | 2004-05-13 |
DE60218483D1 (de) | 2007-04-12 |
HK1064132A1 (en) | 2005-01-21 |
DE60218483T2 (de) | 2007-10-31 |
ATE355406T1 (de) | 2006-03-15 |
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