WO2008017644A2 - Verfahren zur simulation eines visuellen erscheinungsbildes eines fadens und/oder eines aus dem faden gebildeten faserproduktes sowie verfahren und vorrichtung zur herstellung eines bcf-fadens - Google Patents
Verfahren zur simulation eines visuellen erscheinungsbildes eines fadens und/oder eines aus dem faden gebildeten faserproduktes sowie verfahren und vorrichtung zur herstellung eines bcf-fadens Download PDFInfo
- Publication number
- WO2008017644A2 WO2008017644A2 PCT/EP2007/058072 EP2007058072W WO2008017644A2 WO 2008017644 A2 WO2008017644 A2 WO 2008017644A2 EP 2007058072 W EP2007058072 W EP 2007058072W WO 2008017644 A2 WO2008017644 A2 WO 2008017644A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- appearance
- image
- fiber product
- color
- 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.)
- Ceased
Links
Classifications
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
-
- 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
- D01D13/00—Complete machines for producing artificial threads
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/06—Dyes
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30124—Fabrics; Textile; Paper
Definitions
- the invention relates to a method for simulating a visual appearance of a thread and / or a fiber product formed from the thread according to the preamble of claim 1 and a method for producing a BCF thread according to the preamble of claim 13 and an apparatus for performing the method according to the preamble of claim 18.
- the filaments are intermediately stored in coils as precursor in order to be processed into a fiber product in a subsequent processing or subsequent to a further intermediate treatment .
- Such fiber products are produced, for example, by knitting, weaving, laying and so on.
- the nature, in particular the visual appearance of such fiber products is thereby influenced substantially by the nature of the thread.
- a BCF yarn formed from a plurality of different colored multifilament yarns is used to create color patterns within the carpet.
- different color patterns result in the carpet fabric, for example in order to avoid the appearance of individual colors, intensive mixing of all partial threads in the BCF yarn is required.
- the known simulation method thus represents a simulation aid suitable for the carpet designer in order to make a target selection from the large number of threads offered on the market.
- Another object of the invention is to provide a simulation method that is directly combinable with a manufacturing process of a thread thus already be able to make a targeted production of a colored thread.
- the object of the invention is achieved by a method for simulating a visual appearance of a thread and / or a fiber product formed from the thread with the features of claim 1, by a method for producing a BCF thread with the features of claim 13 and by a device for carrying out the method according to claim 18 solved.
- the invention is characterized in that already included in the simulation calculation of the precursor selected for the production of the thread, it has been found that the appearance of both the thread and the fiber product depends essentially on the color components contained and distributed in the thread , For example, the appearance and the appearance of the color additive allow conclusions to be drawn about the visual appearance of the thread and the fiber product.
- a color spectrum of the color additive in the state of a granulate, a paste or a liquid before admixing with a base polymer is measured as a color parameter and given to the simulation calculation.
- the yarn is formed by melt spinning a plurality of filaments from the colored polymer melt.
- the invention now makes it possible with the aid of production algorithms to calculate and simulate a visual appearance of a fiber product, for example a carpet.
- a fiber product for example a carpet.
- arithmetic operations and process parameters are included, which cover both the planned production of the thread and the planned production of the fiber product.
- the invention can preferably be carried out in such a way that initially a visual appearance of a thread is simulated, so that the production algorithms initially consider substantially the process parameters and the manufacturing process for producing the thread , Subsequently, the visual appearance of the fiber product made from the simulated thread is simulated immediately.
- intermediate results of the simulation calculation can be made available to get directly to the resulting intermediates and end products already in the specification of a color additive in a melt spinning process.
- the inventive method can be further improved by measuring or predetermining as an additional color parameter an amount of the color additive which is added in the predetermined mass ratio to the base polymer in the preparation of the thread.
- visual appearances of the thread as well as the fiber product can be simulated, taking into account a color weakening caused by the amount of the base polymer.
- the method variant in which the thread is formed from a plurality of different colored multifilament partial threads, in which the color parameter of the relevant color additive is measured or specified for each of the part threads and in which the color parameters are jointly applied to the simulation calculation, has the particular advantage simulating so-called mixed colors in a thread, which are used essentially for the production of carpets.
- the mixed color in the thread is determined essentially by the distribution of the partial threads in the thread.
- the color additive can be added to the base polymer in different ways.
- methods are also known in which a so-called colored master patch is extruded and fed to an already melted base polymer melt. Here, a mixing of the two melts takes place immediately before the extruding of the filaments of the thread.
- Another similar method is based on the fact that the color is given as a liquid directly to the polymer melt. Depending on the method and method of coloring the base polymer, slight color differences in the base polymer may be noted.
- the production algorithms contain at least extrusion data of a formulation which determines the mixing ratio between the color additive and the base polymer, a very good simulation of the appearance consistent with the actual appearance of the thread can be brought about.
- the advantageous development of the invention according to claim 6 has the particular advantage that the simulation reveals parameters for the production, which lead to a certain existing product.
- the simulated appearance of the thread or the simulated appearance of the fiber product can be compared with a pattern image of a thread or with a pattern image of a fiber product.
- a new simulation calculation is repeated with changed data.
- the changed data can result directly from the process or specified directly by input. This repeated simulation is continued until the simulated appearance substantially coincides with the pattern image.
- the data used, in particular the process parameters and the color parameters, can then subsequently be given over to a production process.
- the data on which the simulation calculation is based are advantageously stored and used for setting the production process.
- a tuned to the simulation result production of the thread is possible.
- the result of the simulation calculation can be used directly for monitoring a production process.
- an image of the thread is picked up by one or more photocells after production of the thread and given as a signal of an image analysis unit, which performs a comparison with a deposited simulated appearance of the thread.
- the deviation can be converted into a change of at least one process parameter in the manufacturing process.
- the high degree of integration between the simulation and the production of the thread enables a targeted production of the thread with predetermined visual properties.
- the method according to the invention there is also the possibility of converting the calculation data extruded by the image analysis unit directly via evaluation electronics to a visual surface pattern of the fiber product.
- the visual surface pattern can then advantageously be compared with the previously simulated appearance of the fiber product, so that deviations directly to process changes in the production process of the thread can also be used.
- the erf ⁇ ndungswashe method for simulating a visual appearance of a thread and / or a fiber product suitable to be linked in a manufacturing process.
- the erf ⁇ ndungswashe method for simulating a visual appearance of a thread thus allows completely new methods for the production of so-called BCF threads, which are produced in the melt spinning process and then further processed into a sheet-like fiber product, preferably a carpet.
- the inventive method for producing a BCF yarn which is formed from a plurality of differently colored multifilament yarns, is characterized in that a BCF yarn is provided which provides the desired surface pattern in the further processing to a carpet.
- the simulation results are evaluated before the start of the process in order to directly define the process parameters for spinning, drawing, curling, swirling and winding up the threads.
- the current production process can be monitored and controlled by detecting an image of the yarn produced and comparing it with the stored appearance of the yarn. The adjustment of the process parameters can then be carried out depending on the comparison.
- the device according to the invention for carrying out the method according to the invention for producing a BCF thread is characterized in that the controls of all the devices within the device can be executed centrally and can be set and changed as a function of the simulation results.
- a device controlling and monitoring process control unit for data exchange with a simulation computer unit is coupled, which simulates a visual appearance of the BCF thread and / or a carpet.
- an image acquisition device for sensing the BCF yarn is used according to a continuous development of the device according to the invention, which is connected to the simulation computer unit.
- the simulation computer unit Within the simulation computer unit are included means for executing and evaluating the comparison between an image of the thread and a simulated appearance of the thread.
- the image acquisition device is advantageously arranged in the yarn path of the BCF yarn directly in front of the take-up device, so that all essential production processes on the yarn have been carried out accordingly.
- Fig.l schematically shows a flow diagram of the method according to the invention for simulating a visual appearance of a thread or a fiber product 2 schematically shows a further flow chart of the inventive method for simulating a visual appearance of a fiber product
- FIG. 3 shows schematically an apparatus according to the invention for carrying out the production method according to the invention for producing a BCF thread.
- a colored polymer melt is initially produced in a melt spinning process, in which a color additive is added to the base polymer.
- the color additive can be added in the form of granules directly in an extruder to the base polymer, which is likewise in granular form.
- the granules are melted and blended so that the base polymer assumes a color determined by the color additive.
- the base polymer dyed in this way is then extruded through spinnerets with a multiplicity of nozzle openings into respective filament strands, which are then brought together as a bundle to form a thread.
- the thread is wound into a spool in the melt-spinning process after cooling and stretching and any further treatment by turbulences, texturing or relaxations.
- it can be processed immediately thereafter or after the interposition of further intermediate treatments to form a fiber product.
- certain requirements in terms of structure and appearance, in particular with regard to coloring, are expected in the fiber product.
- a simulation is carried out which enables a preview of a visual appearance of the thread or of the fiber product.
- Fig.l flowchart of a first process variant is shown schematically.
- the starting point for any simulation of a visual appearance of thread or of the fiber product is first of all the coloration of a basic polymers used color additive.
- the color additive can be present as granules, as a paste or as a liquid in order to be incorporated into the base polymer during the preparation of a polymer melt. Since the appearance of the thread and of the fiber product formed from the thread is determined essentially by the color characteristic and thus essentially by the color additive, a color spectrum of the color additive is measured as an essential color parameter. Due to the color spectrum, the color coding of the color additive is clearly defined. In that regard, it is also possible, when using known color additives such color spectra deposited in databases, so that the respective color additive, the respective color spectrum could be supplied directly to the simulation calculation.
- the color spectrum is linked with arithmetic operations that simulate the production of the thread.
- the arithmetic operations are defined by previously empirically determined production algorithms, in which the data, in particular of the color spectrum, are converted to a visual appearance.
- the production logarithms are based on process parameters that correspond to a planned production of the thread or the fiber product.
- the visual appearance of the thread can be represented here as a length of the thread, a cross section of the thread or a color spectrum of the thread.
- a comparison between the simulated appearance of the thread and the stored pattern image of the thread can be performed immediately in a further step.
- two alternative ways can now be selected when carrying out the method according to the invention.
- the simulation calculation is changed with Data in particular changed process parameters repeated.
- the process parameters for describing a texturing or a swirling of the thread can be changed and recalculated to a visual appearance.
- the data can be provided in a next step directly to a manufacturing process. On the basis of the process parameters used during the simulation, production of the thread or of the fiber product can then take place.
- the inventive method thus provides a high degree of integration with the manufacturing processes of the thread or the fiber product.
- the flowchart shown in Fig.l thus applies both to the simulation of a visual appearance of a thread or a visual appearance of a fiber product.
- FIG. 2 shows a further flow diagram of a method variant of the method according to the invention, which provides for further integration of the simulation calculation with the production processes, with the entire production chain being recorded from the starting material of the thread to the end product.
- the flowchart in Fig. 2 is substantially identical to the flowchart in Fig.l, so that only the differences will be explained below and otherwise reference is made to the above description.
- the flow chart shown in Figure 2 is to be seen in addition to the flowchart shown in Fig.l, wherein after the simulation of the appearance of the thread and the fiber product, the production of the thread takes place. Between the yarn production and the production of the fiber product, further computational steps are now provided which are based on a simulation calculation.
- at the production of the thread is captured by the thread an image.
- the image here represents the actual external appearance of the thread, wherein each information means can be used to detect the optical nature of the thread.
- each information means can be used to detect the optical nature of the thread.
- such an image can advantageously be converted into a visual surface pattern of a fiber product.
- the method described is based on creating a more or less pre-fused and regular filing and linking of short lengths of the thread, which contribute to the appearance of the fibrous product to produce the flat fiber products.
- the surface pattern thus represents a simulated visual appearance of the fiber product that can be compared directly with the visual appearance.
- the appearance of a simulation based on the starting material and its color code is particularly advantageous to make prior to the manufacture of the fiber product last settings changes in the process of filament production can.
- the manufacturing process of the thread is continued by changing at least one process parameter.
- one or more settings of the means for producing the thread is changed.
- the process parameters on which the simulation calculation is based can subsequently be used to produce the fiber product from the thread. In that regard, a targeted production of a fiber product with desired visual properties is possible.
- the inventive method described by FIGS. 1 and 2 for simulating a visual appearance of a thread or of a fiber product formed from the thread can also be improved by measuring and specifying an amount of the color additive in addition to the color spectrum of the color additive to accommodate the mass ratio between the amount of colorant used and the amount of base polymer when blended with a base polymer.
- an amount of the color additive in addition to the color spectrum of the color additive to accommodate the mass ratio between the amount of colorant used and the amount of base polymer when blended with a base polymer.
- the distribution of the color additive in the base polymer can be predetermined with high accuracy.
- the method is not limited to the fact that the multifilament has only one kind of color additives.
- the thread consists of a mixed color which is formed from a plurality of differently colored multifilament partial threads.
- a simulation calculation for determining an appearance can advantageously be carried out, the color spectrums of the color additives being taken as the basis for the color parameters.
- the simulation result can be improved even further, in that the production algorithms contain not only the process data but also additional recipe data and extrusion data.
- FIG. 3 shows an exemplary embodiment of a device according to the invention of a BCF spinning process in order to determine the method according to the invention for producing Position a BCF thread.
- the device has a spinning device 12, in which a plurality of spinnerets are arranged side by side for extruding a plurality of filament bundles.
- three spinnerets 13.1, 13.2 and 13.3 are arranged side by side.
- Each of the spinnerets 13.1 to 13.3 is supplied with a colored polymer melt, wherein a different colored polymer melt is extruded in each of the spinnerets.
- the spinnerets 13.1, 13.2 and 13.3 are each connected via melt feeders 5.1, 5.2 and 5.3 with upstream extruders 4.1, 4.2 and 4.3.
- a granulate of a base polymer for example of polypropylene or polyamide and a granules of a color additive is melted.
- a blue coloration of the base polymer can be achieved by the extruder 4.1, a yellowing of the base polymer by the extruder 4.2 and a red coloration of the base polymer by the extruder 4.3.
- filament strands colored blue by the spinneret 13.1, filament strands dyed yellow by the spinneret 13.2 and filament strands dyed red by the spinneret 13.3 are extruded.
- a cooling device 15 is provided for cooling the filament bundles, which are combined by a preparation device 14 to a respective Operafaden 10.1, 10.2 and 10.3.
- the partial threads 10.1, 10.2 and 10.3 are brought together in parallel in several treatment stages and crimped by means of a crimping device 18 to form a BCF thread 8.
- the treatment stages contain a predispersing device 16 for the separate pre-tongue in the sub-threads 10.1 to 10.3 and a withdrawal device 17 for removing and stretching the sub-threads.
- the crimping device 18 is designed as a Stauchk syndromesel Surprise, through which the partial threads are 10.1 to 10.3 textured to a common yarn plug.
- the yarn plug is then cooled by a cooling drum 19 and withdrawn to the BCF yarn 8.
- a subsequent swirling takes place through the post-swirling device 20.
- the BCF yarn 8 is wound into a coil 11.
- an image capture device 7 is arranged, through which an image of a partial section of the BCF yarn 8 is detected.
- the image capture device 7 is coupled to an image analyzer 9 by which the data of the image is analyzed and extracted. From the extracted calculation data, an analysis is carried out, the result of which is fed directly to a simulation computer unit 1.
- the simulation computer unit 1 serves to simulate visual appearances of the BCF thread or of a carpet made of the BCF thread from predetermined data and production algorithms. By coupling the simulation computer unit 1 with the image acquisition device 7, the thread produced can be continuously monitored and constantly adjusted with a desired appearance. In this case, there is also the possibility that the image analysis device 9 is combined directly with the simulation computer unit 1 to form a central evaluation unit.
- the simulation computer unit 1 is connected to a central process control unit 6, which is coupled to the respective devices of the manufacturing process for setting process parameters for control and data transmission.
- the simulation computer unit 1 is connected to a plurality of granulate measuring units 3.1, 3.2 and 3.3, which are associated with the extruders 4.1, 4.2 and 4.3.
- the granulate measuring units 3.1 to 3.3 perform a determination of the color spectrum of the color additives, which are fed directly to the extrusion process.
- such granulate measuring units 3.1 to 3.3 can also be Replace formations.
- data can be given directly via an input of the simulation computer unit 1.
- certain predefined data such as process settings, formulations, mixing ratios, material values of the color additive, etc., can be given up.
- Arithmetic operations in the form of production algorithms are stored within the simulation computer unit 1, which, given the data, allow a calculation and simulation of a visual appearance of the BCF thread or of a carpet formed from the BCF thread.
- the simulation computer unit 1 is assigned an image display device 2.
- a visual appearance of the BCF thread could be simulated by the simulation computer unit 1.
- an image of the BCF thread 8 is now generated by the image acquisition device 7 and, after processing, given over to the simulation computer unit 1 via the image analysis device 9.
- the simulation computer unit 1 means are provided which enable a comparison between the visual appearance and the measured image of the thread.
- the generation of a control command which is supplied to the process control unit 6 and immediately results in a change in the setting of at least one process parameter results.
- one or more parameter changes of the process parameters can be performed to influence, for example, the nature of the component yarns and the mixing of the component yarns to the BCF yarn so that a desired appearance of the BCF yarn is achieved.
- a simulation calculation is carried out in the simulation computer unit 1 from the transmitted data of the image in order to determine a visual surface pattern of a carpet formed from the BCF yarn. The calculated area pattern can then be compared to a visual appearance of the carpet given by the simulation computer unit 1.
- a desired parameter adaptation in the production process can be carried out via the process control unit 6.
- the device according to the invention for carrying out the method according to the invention for producing a BCF thread is therefore particularly suitable for producing a targeted production of a thread with desired visual properties with high uniformity, then to obtain a carpet with certain visual properties from the manufactured thread.
- the invention thus makes it possible to produce fiber production in a targeted manner on the end product, with the visual properties of the precursors already being included for the simulation.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Mechanical Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07788205A EP2047015A2 (de) | 2006-08-05 | 2007-08-03 | Verfahren zur simulation eines visuellen erscheinungsbildes eines fadens und/oder eines aus dem faden gebildeten faserproduktes sowie verfahren und vorrichtung zur herstellung eines bcf-fadens |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006036752 | 2006-08-05 | ||
| DE102006036752.9 | 2006-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008017644A2 true WO2008017644A2 (de) | 2008-02-14 |
| WO2008017644A3 WO2008017644A3 (de) | 2008-06-26 |
Family
ID=38922711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2007/058072 Ceased WO2008017644A2 (de) | 2006-08-05 | 2007-08-03 | Verfahren zur simulation eines visuellen erscheinungsbildes eines fadens und/oder eines aus dem faden gebildeten faserproduktes sowie verfahren und vorrichtung zur herstellung eines bcf-fadens |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2047015A2 (de) |
| CN (1) | CN101501253A (de) |
| WO (1) | WO2008017644A2 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740856A (zh) * | 2018-12-07 | 2019-05-10 | 浙江恒逸集团有限公司 | 一种基于单锭数据流的聚酯纤维生产管理系统的建模方法 |
| CN113811644A (zh) * | 2019-05-23 | 2021-12-17 | 欧瑞康纺织有限及两合公司 | 用于制造合成短纤维的熔纺方法和熔纺设备 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880927B (zh) * | 2010-04-23 | 2012-01-04 | 江苏开利地毯股份有限公司 | 细旦涤纶bcf长丝的生产方法及所用喷丝板 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646409B1 (de) * | 1993-10-04 | 1999-12-08 | General Electric Company | System für die Kontrolle der Farbe gemischter Polymere mittels kontinuierlicher Farbemessung |
| US6232371B1 (en) * | 1996-03-04 | 2001-05-15 | Basf Corporation | Dispersible additive systems for polymeric materials, and methods of making and incorporating the same in such polymeric materials |
| US6130752A (en) * | 1998-03-20 | 2000-10-10 | Prisma Fibers, Inc. | On-line color monitoring and control system and method |
| US6105224A (en) * | 1998-09-28 | 2000-08-22 | O'mara Incorporated | Bulk yarns having improved elasticity and recovery, and processes for making same |
| US6740276B2 (en) * | 2001-06-29 | 2004-05-25 | E. I. Du Pont De Nemours And Company | Process for preparing pigmented shaped articles comprising poly (trimethylene terephthalate) |
| JP2003293214A (ja) * | 2002-03-29 | 2003-10-15 | Toray Ind Inc | 原着糸の製造方法および溶融紡糸・巻取装置 |
-
2007
- 2007-08-03 WO PCT/EP2007/058072 patent/WO2008017644A2/de not_active Ceased
- 2007-08-03 CN CNA2007800293439A patent/CN101501253A/zh active Pending
- 2007-08-03 EP EP07788205A patent/EP2047015A2/de not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740856A (zh) * | 2018-12-07 | 2019-05-10 | 浙江恒逸集团有限公司 | 一种基于单锭数据流的聚酯纤维生产管理系统的建模方法 |
| CN113811644A (zh) * | 2019-05-23 | 2021-12-17 | 欧瑞康纺织有限及两合公司 | 用于制造合成短纤维的熔纺方法和熔纺设备 |
| CN113811644B (zh) * | 2019-05-23 | 2023-12-19 | 欧瑞康纺织有限及两合公司 | 用于制造合成短纤维的熔纺方法和熔纺设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2047015A2 (de) | 2009-04-15 |
| CN101501253A (zh) | 2009-08-05 |
| WO2008017644A3 (de) | 2008-06-26 |
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