EP0924321B1 - Anlage zum Spinnen von Chemiefäden - Google Patents
Anlage zum Spinnen von Chemiefäden Download PDFInfo
- Publication number
- EP0924321B1 EP0924321B1 EP19980811086 EP98811086A EP0924321B1 EP 0924321 B1 EP0924321 B1 EP 0924321B1 EP 19980811086 EP19980811086 EP 19980811086 EP 98811086 A EP98811086 A EP 98811086A EP 0924321 B1 EP0924321 B1 EP 0924321B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- melt
- distributor
- distributor according
- plates
- outputs
- 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.)
- Revoked
Links
Images
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
- D01D5/08—Melt spinning methods
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/065—Addition and mixing of substances to the spinning solution or to the melt; Homogenising
-
- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/06—Distributing spinning solution or melt to spinning nozzles
Definitions
- the invention is concerned with a plant for spinning chemical threads, in particular with the distribution of melts from several extruders among the individual ones Spinning stations (nozzle packs) of a so-called spinning beam.
- the invention therefore sees a new melt distributor for use in a Plant for spinning chemical threads.
- This distributor is designed to two or to connect more melt sources with a higher number of melt sinks.
- the distributor accordingly has at least two melt inputs for connection with one melt source each and a higher number of melt outputs for Connection with one sink each.
- the inputs are determined by channels with predetermined Outputs connected to the melt flowing through each input, forward the outputs assigned to this input.
- the distributor can one have predetermined configuration of the inputs, outputs and connection channels, the system lines must be arranged accordingly.
- the distributor but forms an interchangeable element.
- the system configuration can therefore be changed by replacing the distributor, provided that all distributors have the appropriate arrangement of the inputs or outputs.
- the invention of course also relates to a corresponding system with the required arrangement of the fuse lines.
- the melt sources are usually each comprise an extruder.
- the melt sinks are usually include filament forming or filament processing facilities.
- the filament processing Facilities can work "multi-threaded”.
- Extruder 1 comprises three extruders 10, 12 and 14 and a spinning beam 16 with nozzle packages D1 to D18, e.g. according to WO 95/07378 and / or WO 95/00684.
- the Extruders are usually in an upper and the spinning beam in an underneath lying floor.
- Extruders 10, 12 and 14 each deliver melt of one color, e.g. red (R), blue (B) and yellow (G).
- R red
- B blue
- G yellow
- the processing of the spun guide yarns depends on the current production program the plant. In any case, it must be possible to close the master thread bringing together multicolored yarns, e.g. according to EP-A-784109.
- the nozzle packs are arranged in three groups P1 to P6, each of them Group should include a red, blue and yellow master thread. Be the group also appropriate processing facilities assigned to from the master yarns to form a multicolored yarn in this group. Since this processing for the present Invention does not matter, is based on a more detailed description or explanation waived.
- the processing devices are preferably in such "positions" divided that a "position" of one of the groups P1 to P6 the nozzle packs D1 to D18 is assigned and those supplied by the nozzle packages of the assigned group Can process yarn.
- the invention is concerned with the distribution of the melt among the nozzle packs in such a flexible facility.
- a dedicated feed line is provided.
- the delivery lines lead from the respective extruders to a connection or distributor point VSt in the spinning beam 16 and the feed lines lead from the same point VS to the respective nozzle packets.
- VS are the mouths of the delivery lines in a certain Arrangement (e.g. according to Fig. 2A) placed side by side, while the mouths of the Feed lines are also placed in a predetermined arrangement (e.g. according to Fig. 2B) are. It is now envisaged to add these mouths to one another descriptive, interchangeable connecting means to connect, the system configuration can be changed by changing the connecting means.
- the optimal arrangement of the outlets for a specific system depends on the "layout" the plant.
- the arrangement shown has therefore been chosen for the sake of simplicity and it is therefore only to be understood as an example.
- these mouth groups correspond to groups P1 to P6 in FIG. 1 and each have a horizontal "line” Z1 form to Z6.
- the mouths of row Z1 are therefore e.g. the nozzle packs D1 to D3 and those of line Z6 are assigned to the nozzle packs D16 to D18.
- the six Rows together form three vertical "columns", because the mouths of the top Line Z1 stand vertically above the mouths of the other lines.
- the mouths the delivery lines also form a horizontal "line” (Fig. 2A), the red one (Mouth R), blue (Mouth B) and yellow (Mouth G) melt if the System is put into operation.
- FIGS. 3 and 4 the mouths of the feed lines are shown again, wherein schematically three vertical connection channels KR1, KB1, KG1 also indicated are. These channels are each a pillar but also a delivery mouth (R, B, G, Fig. 2A) and they assign the columns to the respective delivery mouths.
- channels KR1, KB1 KG1 is one connecting piece SR1, SB1, SG1, which connects the channel with the mouth R, B, G assigned to it.
- the canals KR1, KB1, KG1 also each have six sockets SV, which each channel with the Connect the mouths of the column assigned to it (Fig. 2B). In this configuration receives each nozzle pack group P1 to P6 red, blue and yellow melt and the corresponding Filaments (master yarns) can be processed into a multi-colored yarn become.
- Fig. 4 shows the mouths of the feed lines in the unchanged arrangement in combination with another distributor, which (compared to Fig. 3) a changed arrangement which has channels and connecting pieces.
- Each channel KR2, KB2, KG2 therefore comprises a vertical leg KR2S, KB2S KG2S and a horizontal leg KR2W, KB2W, KG2W.
- the horizontal one Leg KR2W is via connecting piece VS with all mouths of row Z1, the horizontal leg KB2W with all mouths of row Z2 and the horizontal one Leg KG2W connected to all mouths of row Z6.
- the vertical leg KR2S is connected to the "other" mouths of the left column, the vertical leg KB2S with the other mouths in the middle Pillar and the vertical leg KG2S with the remaining mouths of the right Column connected.
- exchangeable connecting means are prepared, so that by replacing the lanyard in use the system configuration can be changed.
- Fig. 5 shows a connection part, which can be implemented in a replaceable means the arrangement of FIG. 3 could be used.
- This connector includes the Connection piece SR1 (Fig. 3), the channel KR1 (Fig. 3) and six connection pieces SV1 to SV6 for connecting the connecting part with the mouths of the left Column in Fig. 3.
- Each nozzle SR1 or SV1 to SV6 is with a coupling agent KM (only indicated schematically) for attachment to corresponding coupling means provided on the delivery line or on the feed lines.
- the connecting means comprises three such connecting parts, each of which Mouths R, B, G (Fig. 2A) is assigned.
- the three connecting parts can be replaced by one suitable holder (not shown) combined to form a connecting device become, but this is not absolutely necessary.
- connection 4 Similar (but more complicated) connectors can be used to create the connection 4 are built.
- connections are preferably made by a replaceable element (e.g. a plate or a plate package).
- the orifices ( Figures 2A and 2B) could e.g. be provided in end plates and the distributor element (the distributor plate) could be fixed in between (with suitable seals).
- the connecting element comprises a distribution package consisting of two pressed against each other Plates exists. The connecting pieces extend through the thickness of the one plate, the sockets SR, SB, SG by the thickness of the other plate.
- the canals KR, KB, KG are in the surface of a plate opposite the other plate e.g. provided as grooves. Of course, the grooves could be provided in both plates become.
- Fig. 6 shows three extruders with the marks 101, 102 and 103, each extruder creates another melt.
- Each extruder 101, 102 and 103 has a melt feed tube with the marks 4.1, 4.2 and 4.3 separately in a melt distributor 5.
- melt distributor 5 By means of this melt distributor 5, the melt of the extruder 101 is passed through intermediate melt pipes 6.1, from extruder 102 via intermediate melt tubes 6.2 and from extruder 103 via intermediate melt tubes 6.3 each in spinning pumps 7 and then in Nozzle packs 8 distributed. It can be seen that there are four adjacent nozzle packs get the same melt.
- the melt distributor 5 shown in more detail in FIG. 6.1 has three melt distribution plates on which are stacked on top of each other and elements not shown here are kept together and stationary.
- the melt of the extruder 101 is by means of the intermediate melt tubes 6.1 through the upper distributor plate 51, the melt of the extruder 102 by means of the Melt intermediate tubes 6.2 through the middle distribution plate 52 and the melt of the Extruder 103 by means of the intermediate melt tubes 6.3 through the lower distribution plate 53 led.
- FIG. 7 shows the same extruders 101, 102 and 103 with, for example, one extruder the same melt distribution as in Fig. 6 and also the same melt feed pipes 4.1, 4.2 and 4.3, which lead the melt into the melt distributor, which is marked here with 5.1.
- melt distributor 5 or 5.1 The advantage of these stacked distribution plates is that firstly the whole connecting pipe system between the melt distributor 5 or 5.1 and the spinning pumps 7 without changing the melt feed all channels can be retained in the corresponding plates suitable for distribution according to melt distributor 5 or melt distributor 5.1 can be, i.e. that when changing the melt distribution, accordingly in the plates, for example by laying inserts (not shown) in the horizontal channels of the individual plates 51,52,53 and 51.1,52.1,53.1, which melt can be redirected.
- the slide 37 has, shown schematically here, the extruder for each melt 101, 102 and 103 a distribution channel 109 or 110 or 111, in each of which one
- the melt feed for example, opens the melt of the extruder 101 via the Melt feed pipe 4.1 in the channel 109, the melt of the extruder 102 via the Melt feed pipe 4.2 into the channel 110 and the melt of the extruder 103 the melt feed pipe 4.3 into channel 111.
- Each channel has three melt outlets connected to which the connecting pipes 38 or 39 or 40 are connected are.
- the melt is passed through the connecting pipes 38 in two group spinning pumps 7 and distributed by them in four nozzle packages 8.
- the same distribution applies to the melt of the extruder 102 via the connecting pipes 39 or Melt the extruder 103 via the connecting pipes 40.
- the channels 109, 110 and 111 are as described later in the slide plate 16, see above that the position of the channels 109, 110 and 111 by a 90 ° shift or rotation the plate can be brought into a position shown in FIG. 9.
- the melt distribution of FIG. 8 corresponds to the melt distribution of FIG. 6, and the melt distribution of Fig. 9 corresponds to the melt distribution of Fig. 7, i.e. that each nozzle pack 8 receives all three melt types B, G and R.
- FIGS. 10.1 to 10.4 show the melt distribution slide 37 mentioned earlier.
- melt distribution feed pipes 4.1, 4.2 and 4.3 open into the upper plate 15 the lower plate 17, the connecting pipes 38, 39 and 40 are connected.
- 10.2 shows a section corresponding to the section lines I-I of Fig. 10.1 the slide plate 116, from which the previously mentioned channels 109, 110 and 111 are shown.
- melt feed pipe 4.1 into the channel 109, the melt feed pipe 4.2 in the channel 110 and the melt feed pipe 4.3 in channel 111 opens out through top plate 15.
- the connecting pipes 38 open three times through the lower plate 17, from below, viewed in FIG. 10.1, into the channel 109 while the connecting pipes 39 through the lower plate 17 into the channel 110 and the connecting pipes 40 through the lower plate 17 open into channel 111.
- a later figure shows that the upper plate 15 and the lower plate 17 are stationary while the slide plate 116 is 90 ° relative to the stationary plates can be shifted or rotated around the axis of the melt feed tube 4.2.
- the melt feed pipe 4.1 also contains a melt blue color
- the melt feed tube 4.2 a melt with green color
- Melt feed pipe 4.3 provides a melt with a red color obtained in accordance with FIG. 10.2
- all connecting pipes 38 have a blue color
- all connecting pipes 39 have a green color Color
- all connecting pipes 40 have a red color
- one Connecting pipe 38 is a blue
- another is a green
- the third is a red color receives.
- FIGS. 8 and 9 This different Distribution is also shown with FIGS. 8 and 9 in that FIG. 10.2 of FIG. 8 and Fig. 10.4 corresponds to Fig. 9.
- Figures 11.1 to 11.4 correspond to different melt distributors 8 and 9, however, these figures differ from the figures 10.1 to 10.4 by the melt feed pipes 4.1, 4.2 and 4.3 no longer in the upper Plate 15.1 but open into the lower plate 17.1, in which a feed channel 112, 113 and 114 is provided.
- the connecting pipes 38, 39 and 40 each receive the same Melt while according to the position of the slide plate 116 according to FIG. 11.4 the connecting pipes 38, 39 and 40 each receive a different melt.
- the position of the slide plate 116 in FIG. 11.4 corresponds to the position in FIG. 9.
- melt distribution slide 37.1 analogous to the melt distribution slide 37 that the plates in the manner described for the following figures are put together.
- FIG Figures 12.1 and 12.2 A particularly suitable construction for rotating the slide plate 116 is shown in FIG Figures 12.1 and 12.2 shown and described below. It is a matter of a melt distribution slide 37.2 consisting of an upper plate 15.2, a middle one Plate 18 and a lower plate 17.2, the upper and lower plates 15.2 and 17.2 for fastening the melt feed pipes 4.1, 4.2 and 4.3 or the connecting pipes 38, 39 and 40 serve.
- the middle plate 18 has an eyeglass-shaped recess, in the right side of the glasses, facing the figure, the slide plate 116, a drive gear 19 is housed in the left side.
- Both the slide plate 116 and the drive gear (not shown) 19 have intermeshing external teeth 25. If the drive gear 19 is rotated either manually or by a motor from the outside, this rotation is transmitted to the slide plate 116 and the desired rotation is effected. An exact angle of rotation can be ensured by suitable stops or by limiting the teeth to a segment of a circle or other suitable measures, also not shown here.
- a control 22 is provided which controls the rotation of the slide plate by the 90 degrees mentioned. This includes a pulse counter 23, angular pulses of the motor shaft 20 and delivers them to the controller.
- the invention is not limited to this type of control.
- the end faces of the slide plate 116, the gear 19 and the opposite sides of the upper and lower plates 15 and 17 are ground to such a degree and with high precision to a narrow tolerance dimension that the individual channels are sealed off from one another by the extremely narrow gap and to others can still be rotated freely.
- the external sealing is achieved between the plates by means of a correspondingly strong screw connection 24.
- the shaft of the gear wheel is sealed by suitable sealants such as glands (not shown).
- the slide plate 116.1 is directly rotatably supported in the corresponding recess.
- This construction has the advantage that a color change without switching off the system can be done
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
- Fig. 1
- eine Anlage mit drei Extrudern und achtzehn Düsenpaketen,
- Fig. 2
- in Fig. 2A und Fig. 2B die Anordnung der Leitungsmündungen an einer vorbestimmten Verbindungsstelle in der Anlage nach Fig. 1,
- Fig. 3
- die Anordnung der Verteilerkanäle in einem ersten Verteiler, um eine erste Konfiguration der Anlage nach Fig. 1 und 2 zu erzielen,
- Fig. 4
- die Anordnung der Verteilerkanäle in einem zweiten Verteiler, um eine zweite Konfiguration der gleichen Anlage zu erzielen, und
- Fig. 5
- eine Seitenansicht einer einzigen Verbindung in einem Verteiler nach Fig. 3.
- Fig. 6
- eine Anlage mit drei Extrudern, sechs Spinnpumpen und zwölf Düsenpakete, schematisch dargestellt
- Fig. 7, 8 und 9
- xje eine Variante der Anlage von Fig. 6, schematisch dargestellt
- Fig. 10.1 bis 10.4
- eine Element der Fig. 8 und 9, detaillierter und halbschematisch dargestellt
- Fig. 11.1 bis 11.4
- eine Variante des Elementes der Fig. 10.1 bis 10.4
- Fig. 12.1
- das Element der Fig. 10.1 mit weiteren Details, halbschematisch und im Schnitt in Richtung VI von Fig. 12.2 dargestellt
- Fig. 12.2
- das Element von Fig. 12.1, in Richtung V von Fig. 12.1, teilweise vereinfacht dargestellt.
Zeile | Position | Düsenpakete | Vorlagegarne | Endprodukt |
Z1 | P1 | D1,D2,D3 | R,R,R | Drei rote Garne |
Z2 | P2 | D4,D5,D6 | B,B,B | Drei blaue Garne |
Z3 | P3 | D7,D8,D9 | R,B,G | Mehrfarbiges Garn |
Z4 | P4 | D10,D11,D12 | R,B,G | Mehrfarbiges Garn |
Z5 | P5 | D13,D14,D15 | R,B,G | Mehrfarbiges Garn |
Z6 | P6 | D16,D17,D18 | G,G,G | Drei gelbe Garne |
Die Stirnseiten der Schieberplatte 116, des Zahnrades 19 sowie die gegenüberliegenden Seiten der oberen und unteren Platten 15 und 17 sind derart und mit hoher Präzision auf ein enges Toleranzmass geschliffen, sodass durch den äusserst engen Spalt zum einen eine Abdichtung der einzelnen Kanäle gegeneinander erfolgt und zum anderen trotzdem eine freie Verdrehbarkeit gewährleistet ist. Die Abdichtung nach aussen wird zwischen den Platten durch entsprechend starke Verschraubung 24 erreicht. Die Abdichtung der Welle des Zahnrades wird durch geeignete Dichtmittel wie Stopfbuchsen (nicht gezeigt) erreicht. Die Schieberplatte 116.1 lagert direkt drehbar in der genannten entsprechenden Aussparung.
Claims (11)
- Schmelzeverteiler (16, 51, 52, 53) zur Verwendung in einer Anlage zum Spinnen von Chemiefäden, wobei zwei oder mehr Schmelzequellen (101, 102, 103, 4.1,4.2,4.3) mit einer höheren Anzahl von Schmelzesenken (8, 7, 38, 39, 40) durch Verbindungsmittel (51,52,116,109,110,37) verbunden sind, gekennzeichnet durch mindestens zwei Schmelze-Eingänge (4.1, 4.2, 4.3) zur Verbindung mit je einer Schmelzequelle (101, 102, 103) und eine höhere Anzahl von Schmelze-Ausgängen (38, 39) zur Verbindung mit je einer Schmelzesenke (7, 8), wobei die Schmelze-Eingänge durch Verteilerkanäle (109, 110, 111) mit vorbestimmten Ausgängen (38, 39) verbunden sind, um die durch jeden Schmelze-Eingang (4.1,4.2,4.3) einfliessende Schmelze an die diesem Eingang zugeordneten Ausgänge (38, 39) weiterzuleiten.
- Schmelzeverteiler nach Anspruch 1, dadurch gekennzeichnet, dass die Schmelzen im Schmelzeverteiler(16,37,51,52,53,116) umleitbar sind.
- Schmelzeverteiler nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Schmelzeverteiler Platten (51, 52, 53) mit horizontalen Kanälen (109,110) aufweist.
- Schmelzeverteiler nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass eine Platte (116) des Schmelzeverteilers mehrere Kanäle (109, 110, 111) enthält.
- Verteiler nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass eine Platte (116) zwischen zwei weiteren Platten (15, 17) liegt, welche mit Eingängen (4.1, 4.2, 4.3) für Schmelze, beziehungsweise Ausgängen (38, 39, 40) für Schmelze kommunizieren.
- Verteiler nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass Platten (15, 51, 52, 53) des Verteilers je nach gewünschter Verteilfunktion in verschiedene Lagen bringbar sind.
- Verteiler nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Platten (116, 51, 52, 53) auswechselbar sind.
- Verteiler nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Schmelzequellen Extruder (101, 102, 103) und die Senken Düsenpakete (8) umfassen.
- Verteiler nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass als auswechselbares Verbindungsmittel mindestens eine Verteilplatte (116, 51) vorgesehen ist, wobei pro Schmelzequelle (101, 102, 103) ein Kanal (109, 110, 111) vorgesehen ist, und ein Kanal (109) mit einem Schmelze-Eingang (4.1) und mehreren Schmelze-Ausgängen (38, 39) kommuniziert.
- Verteiler nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass mehrere Verteilplatten (51, 52, 53) vorgesehen sind, welche verschiedenen Ausgängen (38, 39, 40) zugeordnet sind.
- Verteiler nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass ein Verbindungsmittel (116) mit Kanälen (108, 109, 110) vorzugsweise als drehbares, beziehungsweise schwenkbares Element ausgebildet ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH287997 | 1997-12-16 | ||
CH287997 | 1997-12-16 | ||
CH146998 | 1998-07-09 | ||
CH146998 | 1998-07-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0924321A1 EP0924321A1 (de) | 1999-06-23 |
EP0924321B1 true EP0924321B1 (de) | 2002-03-20 |
Family
ID=25687743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980811086 Revoked EP0924321B1 (de) | 1997-12-16 | 1998-10-29 | Anlage zum Spinnen von Chemiefäden |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0924321B1 (de) |
BR (1) | BR9805304A (de) |
CA (1) | CA2256050A1 (de) |
DE (1) | DE59803423D1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE50008281D1 (de) * | 1999-03-10 | 2004-11-25 | Saurer Gmbh & Co Kg | Spinnvorrichtung |
DE102007050551A1 (de) * | 2007-10-23 | 2009-04-30 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur Herstellung eines mehrfarbigen Verbundfadens |
BE1024237B9 (nl) | 2016-06-01 | 2018-01-23 | Nv Michel Van De Wiele | Inrichting voor het vervaardigen van garens, werkwijze voor het vervaardigen van garens en werkwijze voor het aanpassen van een inrichting voor het vervaardigen van garens |
EP3666939B1 (de) * | 2018-12-12 | 2024-10-30 | Aladdin Manufacturing Corporation | Ein multifilament-bündel aus geschmolzen polymer-filamenten |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2398729A (en) * | 1943-06-29 | 1946-04-16 | American Viscose Corp | Filament extrusion device |
GB1035908A (en) * | 1962-07-31 | 1966-07-13 | British Nylon Spinners Ltd | Improvements in or relating to methods and apparatus for the production of heterofilaments and heteroyarns |
US3593513A (en) * | 1967-09-05 | 1971-07-20 | Du Pont | Dyeing of mixed synthetic polymeric yarns |
IT1226160B (it) * | 1988-07-06 | 1990-12-19 | Filteco Spa | Metodo ed apparecchiatura per la produzione di filati a filamenti multipli. |
US5234650A (en) * | 1992-03-30 | 1993-08-10 | Basf Corporation | Method for spinning multiple colored yarn |
US5595699A (en) * | 1995-06-07 | 1997-01-21 | Basf Corporation | Method for spinning multiple component fiber yarns |
-
1998
- 1998-10-29 EP EP19980811086 patent/EP0924321B1/de not_active Revoked
- 1998-10-29 DE DE59803423T patent/DE59803423D1/de not_active Revoked
- 1998-12-15 CA CA 2256050 patent/CA2256050A1/en not_active Abandoned
- 1998-12-16 BR BR9805304-3A patent/BR9805304A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE59803423D1 (de) | 2002-04-25 |
CA2256050A1 (en) | 1999-06-16 |
BR9805304A (pt) | 1999-11-03 |
EP0924321A1 (de) | 1999-06-23 |
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