EP0832995A2 - Vorrichtung zur Durchführung eines Trocken-/Nassspinnverfahrens - Google Patents
Vorrichtung zur Durchführung eines Trocken-/Nassspinnverfahrens Download PDFInfo
- Publication number
- EP0832995A2 EP0832995A2 EP97119866A EP97119866A EP0832995A2 EP 0832995 A2 EP0832995 A2 EP 0832995A2 EP 97119866 A EP97119866 A EP 97119866A EP 97119866 A EP97119866 A EP 97119866A EP 0832995 A2 EP0832995 A2 EP 0832995A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spinning
- container
- spinneret
- filaments
- bath liquid
- 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.)
- Withdrawn
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Definitions
- the invention relates to a device for carrying out a Dry / wet spinning process.
- dope is formed by a molding tool, e.g. a spinneret, in a non-falling for the spinning mass Medium, e.g. Air or an inert gas, is extruded, wherein in the case of using a spinneret filaments are formed which are stretched in this medium and then in a spinning bath liquid (precipitation bath) are carried out in which the filaments coagulate.
- a molding tool e.g. a spinneret
- a non-falling for the spinning mass Medium e.g. Air or an inert gas
- WO 93/19230 by the applicant is a method and Device for producing cellulosic fibers known according to which a solution of cellulose in a tertiary Amine oxide molded in the warm state and the molded solution introduced into the precipitation bath by a gaseous medium (air) to precipitate the cellulose contained, the warm, shaped solution cooled before introduction into the precipitation bath becomes. Cooling is done immediately after molding and preferably consists in a horizontal blowing of the cellulosic molded body with air.
- the invention Process allows spinning the cellulose solution with high Thread density without causing the filaments to stick together comes out of the spinneret.
- DD-A-218 121 also relates to a Dry / wet spinning process for the production of cellulosic Fibers from cellulose solutions in tertiary amine oxides. Also According to this method, the cellulose solution is divided into one Air gap, that is the distance between the spinneret and the Surface of the spinning bath liquid, spun, stretched and led into an aqueous precipitation bath. In DD-A - 218 121 mentions that the air gap has no adverse consequences for the Spinning security can be shortened if the cellulose solution a polyalkylene ether is added before spinning. A Small air gap is advantageous because of the risk of Gluing of the freshly extruded filaments is reduced.
- EP-A-0 574 870 describes a dry / wet spinning process for processing solutions of cellulose in tertiary Amine oxides are described and taken advantage of a small Air gap noted. With this spinning process it is after Information in the description section of this patent application possible, with a small air gap and with a high number of To spin spinning holes per unit area. Despite this In spinning operation, there should be no sticking of the Filaments are coming. It is recommended that you contact the spun filaments with the spinning bath liquid in one Spinning funnel. Co-current with the filaments spinning bath liquid is passed through this spinning funnel. The axis of the spinning funnel is essentially vertical to the level of the spinneret, and the flow of the Spin bath liquid is directed from top to bottom, whereby the flow in general through the free fall of the Spin bath liquid is formed.
- This known spinning device has the disadvantage that the funnel tube of the spinning funnel due to its relative narrow diameter of the filament bundle to be carried out an upper limit with regard to its total cross section sets that for a large-scale implementation of the Procedure is set unsatisfactorily deep. So it is after Experience of the applicant of the present application at a diameter of 6 mm, as described in EP-A - 0 574 870 a filament bundle is only given as an example consisting of a maximum of 100 filaments through the funnel lead as spin bath liquid through the funnel must be transported. This in turn means that at Using such a spinning funnel only one spinneret can be used with a maximum of 100 spinning holes.
- the funnel tube must be correspondingly larger be, which in turn makes a lot more spin bath liquid drains and must be circulated.
- This high throughput Spin bath liquid leads to turbulent flows in the Spin bath, which interferes with the dry / wet spinning process.
- GB-A-1,017,855 a device for Dry / wet spinning of synthetic polymers is described. Again, the use of a spinning funnel is recommended through which spin bath liquid co-current with the extruded fibers is allowed to flow through. The spinneret is about 0.5 cm above the surface of the spin bath.
- the container according to the invention for holding spin bath liquid to carry out a dry / wet spinning process which process involves using a spinning mass through a spinneret high spinning hole density extruded in a gaseous medium , forming a cluster of filaments formed by the gaseous medium with delay in the spin bath liquid are introduced, is characterized in that in the Container a deflector for bundling and deflecting the Filaments is provided, which is in the vertical plane is pivotable.
- the filament family is thus in the container according to the invention not from a spinning funnel, as in EP-A - 0 574 870 described, but bundled by a deflector.
- the draft angle in the air gap is as small as possible and preferably does not exceed 20 °.
- a draft angle denotes the angle that the outermost filament or Edge filament of a filament group leaving the spinneret with the perpendicular to the spinneret level.
- a preferred embodiment of the invention Container is that the deflecting one in has essentially cylindrical body of two in essential annular flanks is limited, the of the flanks formed preferably one with each other Include angles between 7 ° and 30 °. This embodiment is especially beneficial for spinning start, like below is performed.
- the invention further relates to a method for Dry / wet spinning by extrusion of a dope a spinneret with high spinning hole density in a gaseous Medium, forming a cluster of filaments, which delayed by the gaseous medium in a Spinning bath liquid introduced, bundled and over Guide element are guided, which is characterized in that the deflector at such a distance from Spinneret is that the angle between the outermost Filaments of the filament array and the perpendicular to the Spinneret does not exceed 20 °.
- the spinning bath liquid not run in direct current with the filaments and the delay thus not with the kinetic energy of the spinning bath liquid as detailed below.
- FIG. 1 is a general representation of the FIG. 2 shows a dry / wet spinning process perspective view of an embodiment of the 3 schematically shows the container according to the invention and FIG the deflector shown in Figure 2 shows.
- 1 is a container for receiving Spinning bath liquid called, the surface of the Spin bath liquid is indicated with 1a.
- spinning mass is extruded through the spinneret 7 and the extruded filaments over the air gap LS in the Drawn off spin bath liquid in which they coagulate.
- the coagulated filaments are deflected and deducted diagonally upwards.
- the distance is the air gap LS the underside of the spinneret 7 from the surface 1a of the Spin bath liquid defined.
- the one defined above Distortion angle is denoted by ⁇ .
- the reference numeral 1 ' is a trough-shaped Container for holding spinning bath liquid called.
- the Spin bath liquid is via line 3 at the lower end of the container 1 'fed and flows upwards. Is the Container filled, then spin bath liquid passes over the Overflow edge 5 in the drain collecting cup 6, thereby a consistently high liquid level in the container 1 ' is maintained.
- the spinning bath liquid overflowed into the drain collection cup 6 is drained via the lead 4 and via a external pump system (not shown) again via line 3 fed to the container 1 'according to the invention.
- the derivation 4 is provided with a sieve to possibly filter any filament residues.
- a baffle plate 10 is provided in the container 1 ', attached parallel to the wall of the container (not shown) is.
- Reference number 7 denotes a spinneret, wherein the emerging filaments are indicated with dashed lines are.
- a preferred spinneret is in the International Patent application WO 93/19230 described by the applicant.
- Reference numeral 2 ' denotes a deflecting element, via which the Filament coulter bundled and pulled off diagonally upwards (not will be shown.
- the deflection element 2 ' is connected to an arm 8 a rotatable axis 9 attached.
- the axis 9 is on the side in the wall of the container 1 'rotatably and naturally sealed so that no spin bath liquid can escape.
- the deflection element 2 'in the container be pivoted. This turning can, for example, by means of of an electric motor 11 are accomplished.
- the container 1 ' is expediently provided with a lifting device (not shown) equipped with the height of the container 1 'and thus the width of the air gap LS, that is the Distance of the surface of the spin bath liquid to the stationary one Spinneret 7 ', can be adjusted.
- the container according to the invention allows the draft angle ⁇ regardless of the width of the spinneret 7 'as small as possible hold. If a wide spinneret is used, as in Figure 2 is shown, by moving the arm 8 downwards the Distortion angle ⁇ reduced and thus the spinning security increase. With less wide spinnerets this can Deflector 2 'closer to the surface of the spinning bath liquid be positioned.
- Another advantage of the container according to the invention is in that the start of spinning is easier to carry out.
- To the deflector is brought into the upper end position and the Air gap LS enlarged by moving the entire container down is moved.
- the filaments emerging from the spinneret 7 ' immerse in the relatively distant spinning bath passed over the deflector 2 'and through the oblique flanks 2'b and 2'c (see FIG. 3) on the Deflector bundled and held.
- the bundling is relieved when the deflector in the upper end position like this is that the area with the larger flank spacing the spinneret 7 'is facing.
- the bundle of filaments is pulled off diagonally upwards.
- the redirected Filament bundle is a downstream take-off device (not shown) and by choosing a specific one Withdrawal speed of the desired titer due to delay in Air gap LS set.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
Abstract
Description
Claims (7)
- Behälter zur Aufnahme von Spinnbadflüssigkeit zur Durchführung eines Trocken-/Naßspinnverfahrens, bei welchem Verfahren eine Spinnmasse durch eine Spinndüse mit hoher Spinnlochdichte in ein gasförmiges Medium extrudiert wird, wobei eine Schar von Filamenten gebildet wird, die durch das gasförmige Medium unter Verzug in die Spinnbadflüssigkeit eingebracht werden, dadurch gekennzeichnet, daß in dem Behälter (1') ein Umlenkorgan (2') zum Bündeln und Umlenken der Filamente vorgesehen ist, welches in vertikaler Ebene schwenkbar ist.
- Behälter nach Anspruch 1, dadurch gekennzeichnet, daß das Umlenkorgan (2') einen im wesentlichen zylindrischen Körper (2'a) aufweist, der von zwei im wesentlichen ringförmigen Flanken (2'b; 2'c) begrenzt wird.
- Behälter nach Anspruch 2, dadurch gekennzeichnet, daß die von den Flanken (2'b, 2'c) gebildeten Ebenen miteinander einen Winkel zwischen 7° und 30° einschließen.
- Behälter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß er ferner aufweist:(a) eine Leitung (3) zum Einbringen von Spinnbadflüssigkeit in den Behälter (1'), welche Leitung (3) am unteren Ende des Behälters (1') vorgesehen ist,(b) eine Ableitung (4) für Spinnbadflüssigkeit, die am oberen Ende des Behälters vorgesehen ist.
- Verwendung eines Behälters nach einem der Ansprüche 1 bis 4 zum Trocken-/Naßspinnen formbarer Lösungen von Cellulose in einem wäßrigen tertiären Aminoxid.
- Verfahren zum Trocken-/Naßspinnen durch Extrusion einer Spinnmasse durch eine Spinndüse mit hoher Spinnlochdichte in ein gasförmiges Medium, wobei eine Schar von Filamenten gebildet wird, welche unter Verzug durch das gasförmige Medium in eine Spinnbadflüssigkeit eingebracht, gebündelt und über ein Umlenkorgan geführt werden, dadurch gekennzeichnet, daß sich das Umlenkorgan (2') in einem solchen Abstand zur Spinndüse (7') befindet, daß der Winkel (α) zwischen den äußersten Filamenten der Filamentschar und der Senkrechten auf die Spinndüse (7') 20° nicht übersteigt.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß als Spinnmasse eine formbare Lösung von Cellulose in einem wäßrigen tertiären Aminoxid eingesetzt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT2391/94 | 1994-12-22 | ||
AT0239194A ATA239194A (de) | 1994-12-22 | 1994-12-22 | Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens |
EP95940073A EP0746641B1 (de) | 1994-12-22 | 1995-12-19 | Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95940073A Division EP0746641B1 (de) | 1994-12-22 | 1995-12-19 | Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0832995A2 true EP0832995A2 (de) | 1998-04-01 |
EP0832995A3 EP0832995A3 (de) | 1998-07-15 |
Family
ID=3533492
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95937712A Expired - Lifetime EP0746642B1 (de) | 1994-12-22 | 1995-11-27 | Spinnvorrichtung |
EP98117527A Expired - Lifetime EP0887444B1 (de) | 1994-12-22 | 1995-11-27 | Spinnvorrichtung |
EP95940073A Expired - Lifetime EP0746641B1 (de) | 1994-12-22 | 1995-12-19 | Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens |
EP97119866A Withdrawn EP0832995A3 (de) | 1994-12-22 | 1995-12-19 | Vorrichtung zur Durchführung eines Trocken-/Nassspinnverfahrens |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95937712A Expired - Lifetime EP0746642B1 (de) | 1994-12-22 | 1995-11-27 | Spinnvorrichtung |
EP98117527A Expired - Lifetime EP0887444B1 (de) | 1994-12-22 | 1995-11-27 | Spinnvorrichtung |
EP95940073A Expired - Lifetime EP0746641B1 (de) | 1994-12-22 | 1995-12-19 | Vorrichtung zur durchführung eines trocken-/nassspinnverfahrens |
Country Status (36)
Country | Link |
---|---|
EP (4) | EP0746642B1 (de) |
JP (2) | JPH09509704A (de) |
KR (1) | KR100430918B1 (de) |
CN (3) | CN1068910C (de) |
AR (1) | AR000362A1 (de) |
AT (5) | ATA239194A (de) |
AU (2) | AU703733B2 (de) |
BG (1) | BG61849B1 (de) |
BR (2) | BR9506857A (de) |
CA (2) | CA2183627C (de) |
CO (1) | CO4480065A1 (de) |
CR (1) | CR5234A (de) |
CZ (2) | CZ288127B6 (de) |
DE (6) | DE19581437B4 (de) |
FI (2) | FI963269A0 (de) |
GB (2) | GB2301309A (de) |
HK (1) | HK1010401A1 (de) |
HR (1) | HRP950610B1 (de) |
HU (1) | HU220328B (de) |
IL (1) | IL116292A (de) |
MA (1) | MA23749A1 (de) |
MX (1) | MX9603562A (de) |
MY (1) | MY115450A (de) |
NO (2) | NO310034B1 (de) |
NZ (1) | NZ295314A (de) |
PE (1) | PE4397A1 (de) |
PL (1) | PL181190B1 (de) |
RO (1) | RO114811B1 (de) |
RU (1) | RU2132418C1 (de) |
SK (1) | SK284686B6 (de) |
TN (1) | TNSN95134A1 (de) |
TR (1) | TR199501659A2 (de) |
TW (1) | TW293040B (de) |
UY (1) | UY24131A1 (de) |
WO (2) | WO1996020300A2 (de) |
ZA (1) | ZA9510655B (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19954152C2 (de) * | 1999-11-10 | 2001-08-09 | Thueringisches Inst Textil | Verfahren und Vorrichtung zur Herstellung von Cellulosefasern und Cellulosefilamentgarnen |
DE10060879B4 (de) * | 2000-12-07 | 2005-08-04 | Zimmer Ag | Spinntrichtervorrichtung |
CN104611776A (zh) * | 2015-01-17 | 2015-05-13 | 海兴材料科技有限公司 | 复合纺丝外环吹冷却及中心上油装置 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT405531B (de) | 1997-06-17 | 1999-09-27 | Chemiefaser Lenzing Ag | Verfahren zur herstellung cellulosischer fasern |
DE10043297B4 (de) * | 2000-09-02 | 2005-12-08 | Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. | Verfahren zur Herstellung von Cellulosefasern und Cellulosefilamentgarnen |
DE10062083B4 (de) * | 2000-12-13 | 2008-04-10 | Ostthüringische Materialprüfgesellschaft Für Textil Und Kunststoffe Mbh | Verfahren zur Herstellung von Celluloseendlosformkörpern |
DE10206089A1 (de) | 2002-02-13 | 2002-08-14 | Zimmer Ag | Bersteinsatz |
DE602005018657D1 (de) | 2004-06-25 | 2010-02-11 | Toray Industries | Innverfahren sowie vorrichtung und verfahren zur herstellung eines faserbündels |
CN1282773C (zh) * | 2005-05-30 | 2006-11-01 | 武汉大学 | 二步凝固浴法制备再生纤维素纤维的方法 |
DE102005040000B4 (de) * | 2005-08-23 | 2010-04-01 | Lenzing Ag | Mehrfachspinndüsenanordnung und Verfahren mit Absaugung und Beblasung |
AT504144B1 (de) * | 2006-08-17 | 2013-04-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von zellulosefasern aus einer lösung von zellulose in einem tertiären aminoxid und vorrichtung zur durchführung des verfahrens |
RU2541284C1 (ru) * | 2011-06-15 | 2015-02-10 | Трютцшлер Нонвоувенз Гмбх | Корыто прядильной ванны |
KR101339137B1 (ko) * | 2011-12-22 | 2013-12-09 | 최정호 | 생분해성 원사 제조장치 |
CN103668504A (zh) * | 2013-12-27 | 2014-03-26 | 吴江市华宏纺织丝绸有限公司 | 一种集丝架 |
CN104099672A (zh) * | 2014-07-14 | 2014-10-15 | 苏州盛达织带有限公司 | 真空喷丝装置 |
EP3374558B1 (de) * | 2015-11-10 | 2022-02-16 | Nutrition & Biosciences USA 4, Inc. | Glucan-vliesbahnen |
BR112018073755A2 (pt) * | 2016-05-20 | 2019-08-20 | A&At Uk Ltd | filamentos de spandex fiados em solução não redondos e métodos e dispositivos para produção dos mesmos |
JP2020100902A (ja) * | 2017-03-17 | 2020-07-02 | Spiber株式会社 | 乾湿式紡糸装置 |
EP3470557A1 (de) | 2017-10-12 | 2019-04-17 | Lenzing Aktiengesellschaft | Spinnvorrichtung und verfahren zum anspinnen einer spinnvorrichtung |
EP3505659A1 (de) * | 2018-08-30 | 2019-07-03 | Aurotec GmbH | Verfahren und vorrichtung zum filamentspinnen mit umlenkung |
EP3674454A1 (de) * | 2018-12-28 | 2020-07-01 | Lenzing Aktiengesellschaft | Cellulosefilamentverfahren |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2913589A1 (de) * | 1979-03-02 | 1980-09-11 | Akzona Inc | Geformter zellulosegegenstand |
EP0086426A2 (de) * | 1982-02-17 | 1983-08-24 | BASF Aktiengesellschaft | Verfahren und Vorrichtung zur Herstellung von Kunststoff-Fäden |
WO1994028218A1 (en) * | 1993-05-24 | 1994-12-08 | Courtaulds Fibres (Holdings) Limited | Spinning cell |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR207924A1 (es) * | 1976-02-18 | 1976-11-08 | Viscosagyar M | Procedimiento y dispositivo para la produccion de filamentos sinteticos a partir de fundido |
US4416698A (en) * | 1977-07-26 | 1983-11-22 | Akzona Incorporated | Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article |
US4898704A (en) * | 1988-08-30 | 1990-02-06 | E. I. Du Pont De Nemours & Co. | Coagulating process for filaments |
CN2055504U (zh) * | 1989-09-23 | 1990-04-04 | 杭州化学纤维厂 | 粘胶丝管中成型高速纺丝装置 |
AT395582B (de) * | 1991-01-09 | 1993-01-25 | Brunn Betonwerk | Verfahren zur herstellung von betonpflastersteinen oder -platten mit der besonderen eigenschaft, kohlenwasserstoffe zu adsorbieren und diese auch durch wasser nicht auswaschbar einzulagern und langsam oekologisch abzubauen |
ATA53792A (de) * | 1992-03-17 | 1995-02-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung cellulosischer formkörper, vorrichtung zur durchführung des verfahrens sowie verwendung einer spinnvorrichtung |
DE4308524C1 (de) * | 1992-06-16 | 1994-09-22 | Thueringisches Inst Textil | Verfahren zur Herstellung von Cellulosefasern und -filamenten nach dem Trocken-Naßextrusionsverfahren |
AT399729B (de) * | 1993-07-01 | 1995-07-25 | Chemiefaser Lenzing Ag | Verfahren zur herstellung cellulosischer fasern sowie vorrichtung zur durchführung des verfahrens und deren verwendung |
AT402738B (de) * | 1993-07-28 | 1997-08-25 | Chemiefaser Lenzing Ag | Spinndüse |
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1994
- 1994-12-22 AT AT0239194A patent/ATA239194A/de not_active Application Discontinuation
-
1995
- 1995-11-27 GB GB9617170A patent/GB2301309A/en not_active Withdrawn
- 1995-11-27 AT AT98117527T patent/ATE222614T1/de not_active IP Right Cessation
- 1995-11-27 DE DE19581437A patent/DE19581437B4/de not_active Expired - Fee Related
- 1995-11-27 CA CA002183627A patent/CA2183627C/en not_active Expired - Fee Related
- 1995-11-27 AU AU38632/95A patent/AU703733B2/en not_active Ceased
- 1995-11-27 DE DE59505595T patent/DE59505595D1/de not_active Expired - Fee Related
- 1995-11-27 KR KR1019960704671A patent/KR100430918B1/ko not_active IP Right Cessation
- 1995-11-27 WO PCT/AT1995/000229 patent/WO1996020300A2/de active IP Right Grant
- 1995-11-27 HU HU9602257A patent/HU220328B/hu not_active IP Right Cessation
- 1995-11-27 JP JP8520070A patent/JPH09509704A/ja not_active Ceased
- 1995-11-27 CN CN95192380A patent/CN1068910C/zh not_active Expired - Lifetime
- 1995-11-27 BR BR9506857A patent/BR9506857A/pt not_active IP Right Cessation
- 1995-11-27 DE DE59510336T patent/DE59510336D1/de not_active Expired - Fee Related
- 1995-11-27 DE DE19581437D patent/DE19581437D2/de not_active Expired - Lifetime
- 1995-11-27 NZ NZ295314A patent/NZ295314A/xx unknown
- 1995-11-27 PL PL95315840A patent/PL181190B1/pl not_active IP Right Cessation
- 1995-11-27 CZ CZ19962305A patent/CZ288127B6/cs not_active IP Right Cessation
- 1995-11-27 EP EP95937712A patent/EP0746642B1/de not_active Expired - Lifetime
- 1995-11-27 SK SK1044-96A patent/SK284686B6/sk unknown
- 1995-11-27 RU RU96119348A patent/RU2132418C1/ru not_active IP Right Cessation
- 1995-11-27 EP EP98117527A patent/EP0887444B1/de not_active Expired - Lifetime
- 1995-11-27 RO RO96-01690A patent/RO114811B1/ro unknown
- 1995-11-27 MX MX9603562A patent/MX9603562A/es unknown
- 1995-11-27 AT AT95937712T patent/ATE178665T1/de not_active IP Right Cessation
- 1995-12-04 TW TW084112883A patent/TW293040B/zh not_active IP Right Cessation
- 1995-12-08 IL IL11629295A patent/IL116292A/xx not_active IP Right Cessation
- 1995-12-09 DE DE19581487T patent/DE19581487D2/de not_active Expired - Fee Related
- 1995-12-13 PE PE1995287106A patent/PE4397A1/es not_active Application Discontinuation
- 1995-12-13 MY MYPI95003847A patent/MY115450A/en unknown
- 1995-12-14 ZA ZA9510655A patent/ZA9510655B/xx unknown
- 1995-12-15 AR AR33464695A patent/AR000362A1/es unknown
- 1995-12-19 CA CA002183230A patent/CA2183230A1/en not_active Abandoned
- 1995-12-19 CN CN95192617A patent/CN1146218A/zh active Pending
- 1995-12-19 DE DE59502340T patent/DE59502340D1/de not_active Expired - Fee Related
- 1995-12-19 AT AT0902195A patent/ATA902195A/de not_active Application Discontinuation
- 1995-12-19 AU AU41675/96A patent/AU695715B2/en not_active Ceased
- 1995-12-19 EP EP95940073A patent/EP0746641B1/de not_active Expired - Lifetime
- 1995-12-19 EP EP97119866A patent/EP0832995A3/de not_active Withdrawn
- 1995-12-19 WO PCT/AT1995/000244 patent/WO1996019598A2/de active IP Right Grant
- 1995-12-19 AT AT95940073T patent/ATE166677T1/de active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2913589A1 (de) * | 1979-03-02 | 1980-09-11 | Akzona Inc | Geformter zellulosegegenstand |
EP0086426A2 (de) * | 1982-02-17 | 1983-08-24 | BASF Aktiengesellschaft | Verfahren und Vorrichtung zur Herstellung von Kunststoff-Fäden |
WO1994028218A1 (en) * | 1993-05-24 | 1994-12-08 | Courtaulds Fibres (Holdings) Limited | Spinning cell |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19954152C2 (de) * | 1999-11-10 | 2001-08-09 | Thueringisches Inst Textil | Verfahren und Vorrichtung zur Herstellung von Cellulosefasern und Cellulosefilamentgarnen |
DE10060879B4 (de) * | 2000-12-07 | 2005-08-04 | Zimmer Ag | Spinntrichtervorrichtung |
CN104611776A (zh) * | 2015-01-17 | 2015-05-13 | 海兴材料科技有限公司 | 复合纺丝外环吹冷却及中心上油装置 |
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