EP1002148B1 - Verfahren und vorrichtung zur herstellung von technischen filamentgarnen durch verwirbeln sowie ein polyesterfilamentgarn - Google Patents
Verfahren und vorrichtung zur herstellung von technischen filamentgarnen durch verwirbeln sowie ein polyesterfilamentgarn Download PDFInfo
- Publication number
- EP1002148B1 EP1002148B1 EP98934734A EP98934734A EP1002148B1 EP 1002148 B1 EP1002148 B1 EP 1002148B1 EP 98934734 A EP98934734 A EP 98934734A EP 98934734 A EP98934734 A EP 98934734A EP 1002148 B1 EP1002148 B1 EP 1002148B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- baffle plate
- polyester
- continuous filament
- yarn
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
-
- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
- D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
-
- 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 invention relates to a method for producing technical filament yarns by swirling one Polyester multifilaments at elevated temperature, below a thread tension of less than 140 cN, in one air swirling nozzle, consisting from a nozzle body with a perforated plate and one Baffle plate, and a device for carrying out the Process and a technical filament yarn.
- Multifilament yarns are swirled during the spinning process, to interweave the individual filament fibrils received and to spread threads during further processing to avoid.
- the intertwining occurs selectively, enables an improved cohesion of the Single filaments in the fibril dressing and a better one Further processability of the yarn.
- Technical filament yarns made of polyester in particular those whose manufacturing process is characterized by low Winding thread tension of less than 100 cN are marked, in a total titre range of 500 up to 2000 dtex tend to form Deposits in the swirl nozzle.
- Cold air swirling such as that of EP-A-0 148 402 describes, can be a commercially available, open Swirling nozzle with perforated and baffle plate up to max. 24 hours in operation. Then the Nozzle mechanically and in a complex process can be dry cleaned.
- the object of the invention is a simplified method to create a better knot distribution and extended nozzle life allowed.
- Another task is to create a swirling device to provide the energy consumption the process of swirling is reduced.
- the object is achieved in that the heat on the polyester multifilament and the air over the nozzle body onto one directly with the Baffle plate connected high heat conductive metal block is transmitted directly, in which a hole for the Inclusion of a radiator is provided. It will thereby an improved spreading and node distribution, as well as an enormous energy saving of 85% reached.
- the swirl nozzle as a cold point in the Spinning process is eliminated.
- the baffle plate It is advisable to keep the baffle plate at a constant Temperature between 150 and 180 ° C, especially 150 ° to 170 ° C, preferably 160 ° C to heat. A temperature below 150 ° C has the disadvantage of increasing deposits; at a temperature above 180 ° C improve Swirl properties no further.
- the device for performing the method exists from a swirling nozzle with a nozzle body, one Perforated plate and a baffle plate.
- the baffle is expediently direct and flush with a highly thermally conductive Metal block, for example made of aluminum connected in which a hole for receiving a Radiator is provided.
- radiators are electric resistance heaters or any other suitable for space-saving heating. It is essential direct contact between the baffle plate and the Metal block.
- a manufactured according to the inventive method Polyester filament yarn, with a winding tension less than 140 cN, especially less than 100 cN and with a total titer of 500 - 2000 dtex in addition to a strength of at least 70 cN / tex, at an elongation at break of less than 24%, an increased Knot resistance greater than 80% and one Distance between 2 knots greater than 4.0 cm.
- the Polyester filament yarn is excellent for Manufacture of coated fabrics for industrial Suitable purposes.
- Fig. 1 an inventive swirling nozzle in Side view.
- a nozzle body with the Reference number 1 denotes.
- the nozzle body 1 is over a perforated plate 2 connected to a baffle plate 3.
- a compressed air line 4 via a Bracket 5 attached.
- a gap is provided, the passage for a thread F from a thread guide 6 to one Thread guide 6 'guaranteed.
- a metal body 8 is provided flush with Mounting screws 9, 9 'is attached to the perforated plate 2.
- the metal body 8 is with a bore 7 for receiving a radiator provided.
- the nozzle described in FIG. 1 was pressurized in a known manner via the compressed air line 4 with commercial, cold compressed air of 1.8 bar.
- a constant temperature level of 160 ° C on the baffle plate 3 could be maintained for 80 hours with the radiator with a heating power of 50W / 50V.
- Table 1 shows the results achieved in comparison with the known hot air swirling. variant Type of swirl Course of time (h) Swirling (kn / m) Verwirb.
- the table shows that after a Operating time of 80 hours a swirl of 12.1 Knots / m (target value: 12.0 ⁇ 1.5) with a spread of 0.36 and a turbulence stability of 87.1% achieved become.
- the swirling nozzle according to the invention was used during 96 Hours with a baffle plate temperature of 160 ° C used.
- the standard air pressure of 2.8 bar corresponds that of hot air swirling.
- Table 2 shows the results achieved in comparison with the known hot air swirling.
- Time h Type of swirl Düs. Temp. ° C Ft cN / tex Dt% ThS% Kn / m number Koh. cm s minute Cm Resistance (%) comparison hot air cold 72.0 22.5 6.5 11.3 7.8 3.2 3.4 86.7 after 2 h hot nozzle 160 71.7 22.6 6.4 10.8 8.3 3.1 3.9 86.8 after 24 h hot nozzle 160 71.9 22.8 6.5 11.6 7.6 3.6 3.8 82.2 after 48 h hot nozzle 160 71.4 22.4 7.0 8.6 11.4 4.5 4.6 84.0 after 72 h hot nozzle 160 71.7 22.7 6.8 10.7 8.4 3.3 4.2 83.5 after 96 h hot nozzle 160 72.1 22.5 6.5 10.5 8.6 3.5 3.7 80.0 Central values hot nozzle 160 71.8 22.6 6.6 10.2 8.8 3.6 4.0 83.3 - Ft: tensile strength in cN / tex - D
- the hot nozzle swirl brings in comparison with the known hot air swirling with the same nozzle operating time an equally good swirl value, one good knot resistance and a much better one Node distribution.
- the smallest distance between 2 knots increased by at least about 15% from 3.4 4 cm.
- the serimetric properties and the Thread cleanliness remained unchanged.
- the method according to the invention is particularly suitable for the production of high-strength industrial yarn for fabrics for tents, tarpaulins and geotextiles, as a rule be coated.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Polyesters Or Polycarbonates (AREA)
- Artificial Filaments (AREA)
Description
Variante | Art der Verwirbelung | Zeitverlauf (h) | Verwirbelung (Kn/m) | Verwirb. Stabilität (%) |
Versuch | Heissdüse | nach 2 h | 12,5 | |
1 | Heissdüse | 24 h | 12,0 | 85,8 |
2 | Heissdüse | 48 h | 11,5 | 93,9 |
3 | Heissdüse | 72 h | 12,1 | 84,3 |
4 | Heissdüse | 80 h | 12,2 | 84,4 |
Mittelwerte 1-4 | Heissdüse | nach 80 h | 12,1 | 87,1 |
Vergleich | Heissluft | nach 96 h | 12,8 | 78,9 |
- h : Stunden
- Kn/m : Anzahl Knoten pro 1 m Faden, Mittelwert aus 50 Messwerten pro Wickel, gemessen nach der Nadelstichmethode.
- Verwirbelungsstabilität = Anzahl Knoten bezogen auf die ursprügliche Anzahl von Knoten pro 1 m Faden, gemessen nach der Nadelstichmethode, bei einer dynamischen Beanspruchung von 0,5 cN/dtex und 1000 Lastwechsel pro Minute.
Zeit h | Art der Verwirbelung | Düs. Temp. °C | Ft cN/tex | Dt % | ThS % | Kn/m Anz. | Koh. cm | s | min. Abst. cm | Beständigkeit (%) |
Vergleich | Heissluft | kalt | 72.0 | 22.5 | 6.5 | 11.3 | 7.8 | 3.2 | 3.4 | 86.7 |
nach 2 h | Heissdüse | 160 | 71.7 | 22.6 | 6.4 | 10.8 | 8.3 | 3.1 | 3.9 | 86.8 |
nach 24 h | Heissdüse | 160 | 71.9 | 22.8 | 6.5 | 11.6 | 7.6 | 3.6 | 3.8 | 82.2 |
nach 48 h | Heissdüse | 160 | 71.4 | 22.4 | 7.0 | 8.6 | 11.4 | 4.5 | 4.6 | 84.0 |
nach 72 h | Heissdüse | 160 | 71.7 | 22.7 | 6.8 | 10.7 | 8.4 | 3.3 | 4.2 | 83.5 |
nach 96 h | Heissdüse | 160 | 72.1 | 22.5 | 6.5 | 10.5 | 8.6 | 3.5 | 3.7 | 80.0 |
Mittel-werte | Heissdüse | 160 | 71.8 | 22.6 | 6.6 | 10.2 | 8.8 | 3.6 | 4.0 | 83.3 |
- Ft : Reissfestigkeit in cN/tex | ||||||||||
- Dt : Bruchdehnung bei Höchstzugkraft in % | ||||||||||
- Kn/m : Anzahl Knoten pro 1 m Faden, Mittelwert aus 50 Messwerten pro Wickel, gemessen nach der Nadelstichmethode | ||||||||||
- koh : Kohärenzlänge, Abstand zwischen zwei Knoten in cm | ||||||||||
- s : Streuung gibt die Kohärenzlängenstreuung an, | ||||||||||
- min.Abst.cm : Abstand zwischen 2 Knoten | ||||||||||
- Verwirbelungsstabilität : Anzahl Knoten bezogen auf die ursprüngliche Anzahl von Knoten pro 1 m Faden, gemessen nach der Nadelstichmethode bei einer dynamischen Beanspruchung von 0,5 cN/tex und 1000 Lastwechsel pro Minute. |
Energieverbrauch | |
Heissluftverwirbelung | 1,6 kWh |
Heissdüsenverwirbelung | 0,24 kWh |
Energieeinsparung | 1,576 kWh oder etwa 85 % |
Claims (5)
- Verfahren zur Herstellung von technischen Filamentgarnen durch Verwirbeln eines Polyestermultifilaments bei erhöhter Temperatur, unter einer Fadenzugkraft von weniger als 140 cN, in einer mittels Luft beaufschlagten Verwirbelungsdüse, bestehend aus einem Düsenkörper (1) mit einer Lochplatte (2) und einer Prallplatte (3), dadurch gekennzeichnet, dass die Wärme auf das Polyestermultifilament und die Luft über den Düsenkörper (1) auf einen unmittelbar mit der Prallplatte (3) verbundenen hochwärmeleitfähigen Metallblock (8) direkt übertragen wird, in welchem eine Bohrung (7) für die Aufnahme eines Heizkörpers vorgesehen ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Prallplatte (3) auf eine konstante Temperatur zwischen 150 und 180°C beheizt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Verwirbelungsdruck 1,5 bis 3,0 bar beträgt.
- Vorrichtung zur Durchführung des Verfahrens nach den Ansprüchen 1-3, bestehend aus einer Verwirbelungsdüse mit einem Düsenkörper (1), einer Lochplatte (2) und einer Prallplatte (3), dadurch gekennzeichnet, dass die Prallplatte (3) direkt und bündig mit einem hochwärmeleitfähigen Metallblock (8) verbunden ist, in welchem eine Bohrung (7) für die Aufnahme eines Heizkörpers vorgesehen ist.
- Polyester Filamentgarn mit einen Gesamttiter von 500 - 2000 dtex, und einer Festigkeit von mindestens 70 cN/tex bei einer Bruchdehnung von weniger als 24 %, und einer Knotenbeständigkeit von grösser als 80 % gekennzeichnet durch einen Kleinsten Abstand zwischen 2 Knoten von grösser als 4,0 cm.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH185197 | 1997-08-06 | ||
CH185197 | 1997-08-06 | ||
PCT/CH1998/000330 WO1999007930A1 (de) | 1997-08-06 | 1998-08-04 | Verfahren und vorrichtung zur herstellung von technischen filamentgarnen durch verwirbeln sowie ein polyesterfilamentgarn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1002148A1 EP1002148A1 (de) | 2000-05-24 |
EP1002148B1 true EP1002148B1 (de) | 2002-06-12 |
Family
ID=4220094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98934734A Expired - Lifetime EP1002148B1 (de) | 1997-08-06 | 1998-08-04 | Verfahren und vorrichtung zur herstellung von technischen filamentgarnen durch verwirbeln sowie ein polyesterfilamentgarn |
Country Status (12)
Country | Link |
---|---|
US (2) | US6365091B1 (de) |
EP (1) | EP1002148B1 (de) |
JP (1) | JP2001512794A (de) |
KR (1) | KR100469602B1 (de) |
CN (1) | CN1091179C (de) |
AT (1) | ATE219174T1 (de) |
BR (1) | BR9811820A (de) |
DE (1) | DE59804444D1 (de) |
DK (1) | DK1002148T3 (de) |
ES (1) | ES2178236T3 (de) |
PT (1) | PT1002148E (de) |
WO (1) | WO1999007930A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1091179C (zh) * | 1997-08-06 | 2002-09-18 | 罗狄亚工业纱线股份公司 | 通过缠结制造工业长丝纱的方法和装置及聚酯长丝纱 |
EP1541727A1 (de) * | 2003-12-05 | 2005-06-15 | Schärer Schweiter Mettler AG | Verfahren zur Reduktion des Betriebsdrucks einer Texturierdüse und Garnbehandlungseinrichtung mit einer Texturierdüse |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US363291A (en) * | 1887-05-17 | Dental engine | ||
US3638291A (en) * | 1970-10-01 | 1972-02-01 | Du Pont | Yarn-treating jet |
EP0485871B1 (de) * | 1990-11-10 | 1995-02-15 | Barmag Ag | Verfahren und Vorrichtung zum Kombinieren von Fäden mit verschiedenen Farben um ein mehrfarbiges Garn zu machen |
DE4323131A1 (de) * | 1993-07-10 | 1995-01-12 | Temco Textilmaschkomponent | Vorrichtung zum Verwirbeln von Filamenten mit einer Vielzahl von Verwirbelungsdüsen |
DE19548361A1 (de) * | 1995-02-16 | 1996-08-22 | Rieter Ag Maschf | Fadenbehandlungsdüse |
CN1091179C (zh) * | 1997-08-06 | 2002-09-18 | 罗狄亚工业纱线股份公司 | 通过缠结制造工业长丝纱的方法和装置及聚酯长丝纱 |
JP3782902B2 (ja) * | 1999-06-24 | 2006-06-07 | 帝人ファイバー株式会社 | 表面特性の改善された高強力モノフィラメントの製造方法 |
-
1998
- 1998-08-04 CN CN98808007A patent/CN1091179C/zh not_active Expired - Fee Related
- 1998-08-04 JP JP2000506407A patent/JP2001512794A/ja active Pending
- 1998-08-04 PT PT98934734T patent/PT1002148E/pt unknown
- 1998-08-04 DE DE59804444T patent/DE59804444D1/de not_active Expired - Fee Related
- 1998-08-04 AT AT98934734T patent/ATE219174T1/de not_active IP Right Cessation
- 1998-08-04 ES ES98934734T patent/ES2178236T3/es not_active Expired - Lifetime
- 1998-08-04 KR KR10-2000-7001181A patent/KR100469602B1/ko not_active IP Right Cessation
- 1998-08-04 BR BR9811820-0A patent/BR9811820A/pt active Search and Examination
- 1998-08-04 DK DK98934734T patent/DK1002148T3/da active
- 1998-08-04 EP EP98934734A patent/EP1002148B1/de not_active Expired - Lifetime
- 1998-08-04 US US09/463,936 patent/US6365091B1/en not_active Expired - Fee Related
- 1998-08-04 WO PCT/CH1998/000330 patent/WO1999007930A1/de active IP Right Grant
-
2001
- 2001-11-20 US US09/989,949 patent/US6465093B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59804444D1 (de) | 2002-07-18 |
WO1999007930A1 (de) | 1999-02-18 |
EP1002148A1 (de) | 2000-05-24 |
CN1091179C (zh) | 2002-09-18 |
KR100469602B1 (ko) | 2005-02-02 |
KR20010022589A (ko) | 2001-03-26 |
ATE219174T1 (de) | 2002-06-15 |
DK1002148T3 (da) | 2002-10-14 |
BR9811820A (pt) | 2000-08-15 |
US20020101011A1 (en) | 2002-08-01 |
ES2178236T3 (es) | 2002-12-16 |
US6365091B1 (en) | 2002-04-02 |
CN1266466A (zh) | 2000-09-13 |
US6465093B2 (en) | 2002-10-15 |
JP2001512794A (ja) | 2001-08-28 |
PT1002148E (pt) | 2002-11-29 |
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