CN104053828A - Device for producting a tow - Google Patents
Device for producting a tow Download PDFInfo
- Publication number
- CN104053828A CN104053828A CN201280058000.6A CN201280058000A CN104053828A CN 104053828 A CN104053828 A CN 104053828A CN 201280058000 A CN201280058000 A CN 201280058000A CN 104053828 A CN104053828 A CN 104053828A
- Authority
- CN
- China
- Prior art keywords
- cooling
- air
- melt spinning
- equipment
- station
- 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.)
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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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
-
- 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
- D01D13/02—Elements of machines in combination
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a device for producing a tow from a plurality of extruded fiber bundles, comprising multiple melt spinning stations arranged in a row. Each melt spinning station has a spinneret for extruding one of the fiber bundles, wherein multiple preparation devices and a draw-off device for drawing and combining all the fiber bundles are associated with the melt spinning stations. The extruded fiber strands are cooled below the melt spinning station by means of multiple blowing tubes which are connected to a cooling conducting device. The aim of the invention is to obtain a constant individual setting of the cooling air flow per melt spinning station. According to the invention, this is achieved in that the cooling conducting device consists of multiple controllable cooling air stations for generating multiple cooling air flows, said cooling air stations being connected to at least one of the blowing tubes independently of one another.
Description
Technical field
The present invention relates to a kind of as described in the preamble for manufactured the equipment of tow by multiple fibre bundles of being extruded according to claim 1.
Background technology
Manufacture tow in order in fiberline (in this fiberline, tow being cut into staple fibre) continue process process in commonly, this tow is formed by multiple fibre bundles that are extruded.For this reason, fibre bundle produces and after arranging, is extracted out together and converge formation tow in the melt spinning station of multiple preferably layouts in a row.Tow can directly flow to subsequently next fiberline or alternatively leave in spinning cylinder.
For example by DE 102 30 964 A1 known a kind of be this equipment using.This known device has multiple melt spinnings station, and these melt spinnings stand in a row and arrange and have respectively one for extruding the spinning-nozzle of multiple monofilament bars.These monofilament bars form a fibre bundle at this, this fibre bundle each melt spinning stand in cooling with after arranging, extract out by draw-gear with together with adjacent fibre bundle.For the monofilament bar of cooling tow, each melt spinning station respectively has a jet cylinder (Blaskerze), and this jet cylinder is arranged in the centre of spinning-nozzle below and the monofilament bar of guiding in the perimembranous at jet cylinder is loaded to cooling-air.Jet cylinder is connected with cooling-air input unit, makes each connected jet cylinder be transfused to a cooling-air stream.At this, cooling-air provides by a central cooling-air source conventionally, and this central authorities' cooling-air source is connected with corresponding jet cylinder by multiple air ducts.Length of pipe based on different must produce cooling-air with relatively high supply pressure, the wherein cooling air channels length based on different and additionally need control element, for example valve, flows in order to cooled filament bar to obtain identical cooling-air in all melt spinning stations on each connected jet cylinder.Because the physical characteristic of the monofilament bar being extruded flows by cooling-air the cooling decision causing substantially, therefore need relatively high input to guarantee equably the jet cylinder that is assigned to melt spinning station to be supplied with.
Summary of the invention
Therefore the object of the invention is, improve so a kind of equipment for the manufacture of tow that starts described type, make can move jet cylinder with the identical setting that cooling stream is supplied with in each melt spinning station.
Another object of the present invention is, proposes a kind of equipment of described type, wherein can move cooling-air input unit with the least possible energy for regulating even cooling-air stream.
This object is realized by following manner according to the present invention, that is, described cooling-air input unit has multiple controlled cooling-air stations, and described cooling-air station is connected with at least one in jet cylinder independently of one another.
Favourable improvement project of the present invention is by feature and the Feature Combination definition of each dependent claims.
Salient point of the present invention is, each jet cylinder is connected with a cooling stream source, thus cooling-air the actual conditions that only need to be matched with jet cylinder and the design air duct between jet and cooling-air station are provided.Draw thus, can under relatively low supply pressure, produce cooling-air.This external enwergy individually and is rapidly set cooling-air by controlled cooling-air station and is supplied with.
In order to make the cooling stream of jet cylinder supply with and can carry out with constant and controlled as far as possible volume flow, according to a kind of favourable improvement project, each cooling-air station has the blower motor of a controlled air blast and this air blast of driving.Therefore the volume flow, producing by each cooling-air station can regulate by the rotating speed of the blower motor on air blast with simple methods.
In order to control and to regulate predetermined cooling-air stream, each air blast is assigned a controller, and the blower motor of this controller and associated blower is coupled.Therefore can be particularly advantageously the variation of rotating speed by blower motor regulate the cooling-air stream for being supplied to jet cylinder.Therefore can on each air blast, very accurately regulate cooling-air in order to be supplied to the jet cylinder in melt spinning station.
For the uniformity of guaranteeing that at run duration cooling-air is supplied with, improvement project of the present invention is preferably designed to, and described controller is assigned respectively sensor, and this sensor detects the measurement parameter that cooling-air is supplied with in the discharge side of one of air blast.Therefore there is such possibility: in the situation that unallowed cooling-air is supplied with deviation, proofread and correct intervention.
For this reason, sensor, relevant controller and the blower motor of associated blower are advantageously connected to a regulating loop, to guarantee the theoretical value of cooling-air stream at described equipment run duration.
At this, as measurement parameter, preferably detect the air pressure of jet cylinder, therefore sensor is formed by pressure sensor.Therefore the pressure relevant to running time that can simultaneously consider to spray air cylinder casing changes---and this pressure variation is as being assigned to corresponding actual measured value as the corrected value relevant with running time, to realize the evenly cooling of monofilament bar in melt spinning station within running time.
But also have in principle such possibility: sensor is formed by the volume flow sensor for detection of volume flow, this volume flow sensor is assigned to relevant air blast in discharge side.Therefore guaranteed: within the running time of described equipment, guarantee uniform cooling-air supply.
For example, in order to carry out to cooling-air input higher level's amendment (needing this amendment in the time changing product), propose according to a favourable improvement project, described controller is connected with a central control unit.Therefore can on each controller, preset predetermined theoretical value depending on product and process.
In order to design the energy efficiency of cooling-air input unit in useful especially mode, improvement project of the present invention is preferably designed to, and described air blast connects into by the air duct and the jet cylinder that separate individually, makes to supply with pressure and is no more than 1000 Pa.There is in principle such possibility at this: air blast can be assigned to one or also possible two jet.
Be according to the salient point of equipment of the present invention, the fibre bundle producing in melt spinning station has the physical characteristic of high uniformity, and is therefore particularly suitable as tow and is processed into high-quality staple fibre.
Brief description of the drawings
Describe in detail according to equipment of the present invention with reference to accompanying drawing according to some embodiment below.
Shown in figure:
Fig. 1 is schematically illustrated according to the first embodiment of equipment of the present invention,
Fig. 2 is schematically illustrated according to another embodiment of equipment of the present invention.
Detailed description of the invention
In Fig. 1, schematically illustrate the first embodiment according to the equipment for the manufacture of tow of the present invention, this tow is formed by multiple fibre bundles that are extruded.Described equipment has multiple for extruding the melt spinning station of multiple fibre bundles, and these melt spinnings stand in a row and are arranged side by side.According to four melt spinning stations that are juxtaposed to each other 1.1 to 1.4 are only shown in the embodiment of Fig. 1.The quantity at melt spinning station is to determine according to the total fiber number of the tow that will produce arbitrarily and substantially.Melt spinning station 1.1 to 1.4 structures are identical, therefore only describe melt spinning station 1.1 below in detail.
Melt spinning station 1.1 has annular spinning-nozzle 5, and this spinning-nozzle passes through melt input unit 6 and is connected in this unshowned melt source.Melt input unit 6 connects with spinning-nozzle 5 by Spinning pumps 7.Spinning-nozzle 5 has multiple nozzle bores in its bottom side, and the polymer melt of carrying by Spinning pumps 7 is extruded through this nozzle bore, and therefore multiple monofilament bars are in the output of the bottom side of spinning-nozzle 5.Spinning-nozzle 5 is maintained at conventionally in spinning manifold heating, that be not shown specifically at this.
For the monofilament bar to newly extruding carries out coolingly, each in melt spinning station 1.1 to 1.4 is assigned respectively a jet cylinder 3.1 to 3.4.Jet cylinder 3.1-3.4 is below 1.1 to 1.4 inside, melt spinning station are medially arranged in respectively spinning-nozzle 5, thereby beyond the monofilament bar being extruded, hull shape formula is surrounded relevant jet cylinder.Jet cylinder 3.1-3.4 connects with cooling-air input unit 4, and this cooling-air input unit has multiple cooling-airs station 12.1-12.4.Therefore in this embodiment, each melt spinning station 1.1 to 1.4 is assigned a cooling-air station 12.1 to 12.4.Cooling-air station 12.1 to 12.4 is designed to identical, and therefore the structure at cooling-air station 12.1 is only described below.
Cooling-air station 12.1 has air blast 13, and this air blast is connected with jet cylinder 3.1 by cooling air channels 16.On suction side, air blast 13 is coupled with the conditioner not being shown specifically here, provides the air through regulating by this conditioner.Air blast 13 drives by blower motor 14, and this blower motor and controller 15 are coupled.Controller 15 is connected with volume flow sensor 17, and this volume flow sensor is arranged in cooling air channels 16 in the discharge side of air blast 13.
The controller 15 at cooling-air station 12.1 to 12.4 is connected with central control unit 19, can control the whole cooling-air input unit 4 of described equipment by this central control unit.
In 12.1 to 12.4 inside, cooling-air station, the blower motor 14 of sensor 17, controller 15 and relevant air blast 13 is joined together to form a regulating loop, therefore can monitor continuously and proofread and correct the cooling air delivery theoretical value default by controller 15.Therefore can detect the actual value of volume flow and send it to controller 15 by volume flow sensor 17.In controller 15, be furnished with comparator, it carries out reality-theory-comparison.Once find that the theoretical value of the expectation of flowing with cooling-air has deviation, proofread and correct like this driving rotating speed of blower motor 14 by controller 15, make air blast 13 improve or reduce cooling air delivery.
Cooling-air station 12.1 to 12.4 regulates corresponding cooling-air stream independently of one another, and this cooling-air stream is by corresponding jet cylinder 3.1 to 3.4 uses of attaching troops to a unit, so that the cooling fibre bundle 2.1-2.4 being extruded equably.Can in each melt spinning station 1.1-1.4, realize thus evenly cooling to corresponding monofilament bar.
For the monofilament bar that makes to be extruded merges into fibre bundle 2.1-2.4, melt spinning station 1.1-1.4 is assigned multiple arrangements unit 9, arranges unit have respectively an arrangement ring 9.1 and multiple treatment tub/finish roll 9.2 for each melt spinning station 1.1-1.4.Arrange ring 9.1 and be directly arranged in blowing duct 8 belows, to the first finish coating is coated to the monofilament bar being extruded from outside.Below blowing duct 8, be provided with from a distance multiple treatment tubs 9.2, so that the fibre bundle that each is formed by monofilament bar merges together.Therefore converge respectively and have a fibre bundle 2.1 to 2.4 for each melt spinning station 1.1-1.4.
Fibre bundle 2.1 to 2.4 is by extracting out at the draw-gear 10 on 1.1-1.4 side, melt spinning station in side arrangement.Draw-gear 10 has multiple carry-over pinch rolls 10.1, to fibre bundle 2.1 to 2.4 is directed to a tow 11 jointly.But for fibre bundle 2.1 to 2.4 is merged together and also has such possibility: be provided with other treatment tub in draw-gear 10 fronts.
In the equipment shown in Fig. 1, jet cylinder 3.1 to 3.4 is arranged on center with respect to melt spinning station 1.1-1.4, and wherein, cooling air channels 16, through spinning-nozzle 5, makes cooling-air station 12.1 to 12.4 be arranged in melt spinning station 1.1-1.4 top.
But also there is in principle such possibility: cooling-air station 12.1 to 12.4 is arranged in spinning-nozzle below, thereby jet cylinder 3.1 to 3.4 and the bottom side of spinning-nozzle 5 are kept spaced apartly.This is schematically shown another embodiment according to equipment of the present invention in Fig. 2.
According to the embodiment of Fig. 2, three melt spinning station 1.1-1.3 are only shown, this melt spinning station is connected with extruder 20 by a melt input unit 6 jointly.The quantity at melt spinning station is exemplary, and in fact such equipment has the melt spinning station more than three conventionally.Melt spinning station 1.1-1.3 is substantially identical with the melt spinning station according to the embodiment of Fig. 1, and therefore each melt spinning station 1.1-1.3 has a Spinning pumps 7 and a spinning-nozzle 5.Spinning-nozzle 5 is connected with extruder 20 by a melt input unit 6 with Spinning pumps 7.Extruder 20 produces polymer melt, and this polymer melt is transported to melt spinning station 1.1-1.3.
The Spinning pumps 7 of melt spinning station 1.1-1.3 and spinning-nozzle 5 are usually placed in the heated spinning manifold not being shown specifically here.
Below spinning-nozzle 5, in each melt spinning station, maintain jet cylinder 3.1 to 3.3.Jet cylinder 3.1 to 3.3 is assigned independent movable holding device 21.1,21.2 and 21.3 for this reason.By movable holding device 21.1 to 21.3, jet cylinder 3.1 to 3.3 is connected with cooling-air input unit 4.Cooling-air input unit 4 is same by 12.1 to 12.3 formation of multiple cooling-airs station in this embodiment, and wherein, the structure at each cooling-air station 12.1 to 12.3 is identical.Cooling-air station 12.1 to 12.3 is substantially identical with the embodiment according to Fig. 1, and therefore difference is only described below.
In the embodiment at the cooling-air station 12.1 to 12.3 shown in Fig. 2, be formed for regulating the sensor of cooling-air stream by pressure sensor 18, this pressure sensor is directly assigned to relevant jet cylinder 3.1,3.2 or 3.3.Can detect the internal pressure of jet cylinder 3.1,3.2 or 3.3 and be flowed to controller 15 by pressure sensor 18.In controller 15, carry out reality-theory-comparison, therefore in the time having deviation, can introduce the rotating speed of blower motor 14 and proofread and correct, air blast 13 produces higher or lower cooling air delivery thus.
Controller 15 is also connected with central control unit 19 in this embodiment, therefore can realize the higher level of cooling-air input unit 4 is controlled.
For the monofilament bar of extruding in each in melt spinning station 1.1 to 1.3 is merged together, be assigned multiple arrangements unit 9 to melt spinning station 1.1 to 1.3, this arrangement unit has respectively an arrangement ring for external humidification (not shown) and multiple treatment tub 9.2 here, produces respectively a fibre bundle 2.1 to 2.3 by treatment tub.
Be provided with draw-gear 10 on 1.1 to 1.3 sides sides, melt spinning station, this draw-gear has multiple carry-over pinch rolls 10.1.Also be equipped with extra damping device 22 in draw-gear 10 provided upstream extraly, this damping device has multiple dampener 22.1 and merges together and form tow 11 in order to wetting all fibre bundles 2.1 to 2.3 and all fibre bundles 2.1 to 2.3.Tow 11 can directly be transported to one subsequently for the further fiberline of processing.But alternatively also there is such possibility: for the object of interim storage leaves tow 11 in spinning chamber in.But also can work as while directly extracting tow 11 out, fibre bundle 2.1 to 2.4 is merged together without extra wetting.
In the embodiment at the cooling-air station 12.1 to 12.4 shown in Fig. 1 and 2, being connected by so short the cooling air channels 16 designing of air blast 13 and jet cylinder 3.1 to 3.4 realizes, and makes only to need low supply pressure to come to jet 3.1 to 3.4 supply cooling stream.Attested, low-down supply pressure that need to be in 400Pa to 500Pa scope in common main equipment, to produce corresponding cooling power on jet cylinder.This relatively low supply pressure self can be kept in the time that two jet cylinders are connected in a cooling stations.The energy consumption of cooling stations be starkly lower than in prior art common only pass through the central supplying that carries out at a cooling-air station to.
Reference numerals list:
1.1 ... 1.4 melt spinning stations
2.1 ... 2.4 fibre bundle
3.1 ... 3.4 jet cylinders
4 cooling-air input units
5 spinning-nozzles
6 melt input units
7 Spinning pumpss
8 blowing ducts
9 arrange unit
9.1 arrange ring
9.2 treatment tubs/finish roll
10 draw-gears
10.1 carry-over pinch rolls
11 tow
12.1 ... 12.4 cooling-air station
13 air blasts
14 blower motors
15 controllers
16 cooling air channels
17 volume flow sensors
18 pressure sensors
19 central control units
20 extruders
21.1 ... 21.3 holding devices
22 damping devices
22.1 dampener
Claims (9)
1. the equipment for the manufacture of tow (11), this tow is formed by multiple fibre bundles that are extruded (2.1-2.3), described equipment has the melt spinning station (1.1-1.2) of multiple layouts in a row, melt spinning station has respectively a spinning-nozzle (5) for extruding one of fibre bundle (2.1-2.3), described equipment also has multiple arranging to the arrangement unit (9) of melt spinning station (1.1-1.3) and and goes out and converge the draw-gear (10) of all fibres bundle (2.1-2.3) for tractive, wherein, melt spinning station (1.1-1.3) is equipped with multiple jet cylinders (3.1-3.3) for generation of cooling-air stream, jet cylinder (3.1-3.3) is connected with cooling-air input unit (4),
It is characterized in that,
Described cooling-air input unit (4) has multiple controlled cooling-air stations (12.1-12.3) for generation of multiple cooling-airs stream, and these cooling-air stations are connected with at least one in jet cylinder (3.1-3.3) independently of one another.
2. equipment according to claim 1,
It is characterized in that,
Each cooling-air station (12.1-12.3) has a controlled air blast (13) and and drives the blower motor (14) of this air blast (13).
3. equipment according to claim 2,
It is characterized in that,
Each air blast (13) is equipped with a controller (15), and the blower motor (14) of this controller and associated blower (13) is coupled.
4. equipment according to claim 3,
It is characterized in that,
Described controller (15) is equipped with respectively a sensor (17,18), and this sensor (17,18) detects the measurement parameter that cooling-air is supplied with in the discharge side of each air blast (13).
5. equipment according to claim 4,
It is characterized in that,
The blower motor (14) of one of described sensor (17,18), controller (15) and associated blower (13) is joined together to form one for regulating the regulating loop of cooling-air stream.
6. according to the equipment described in claim 4 or 5,
It is characterized in that,
Sensor is the pressure sensor (18) for detection of air pressure, and this pressure sensor is arranged to the jet cylinder (3.1-3.3) being connected.
7. according to the equipment described in claim 4 or 5,
It is characterized in that,
Sensor is the volume flow sensor (17) for detection of volume flow, and this volume flow sensor is provided in the discharge side of associated blower (13).
8. according to the equipment described in any one in claim 1 to 7,
It is characterized in that,
Described controller (15) is connected with central control unit (19).
9. according to the equipment described in any one in claim 1 to 8,
It is characterized in that,
Described air blast (13) connects into by independent air duct (16) and jet cylinder (3.1-3.3) independently, makes to supply with pressure and is no more than 1000Pa.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011119496 | 2011-11-26 | ||
| DE102011119496.0 | 2011-11-26 | ||
| PCT/EP2012/072862 WO2013076017A1 (en) | 2011-11-26 | 2012-11-16 | Device for producing a tow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104053828A true CN104053828A (en) | 2014-09-17 |
Family
ID=47297159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280058000.6A Pending CN104053828A (en) | 2011-11-26 | 2012-11-16 | Device for producting a tow |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2783028A1 (en) |
| CN (1) | CN104053828A (en) |
| IN (1) | IN2014CN04664A (en) |
| WO (1) | WO2013076017A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532336A (en) * | 2015-04-16 | 2018-01-02 | 米歇尔·范德威尔公司 | For producing the machine of synthetic thread |
| CN113235225A (en) * | 2021-04-14 | 2021-08-10 | 清华大学深圳国际研究生院 | Substrate material and preparation method thereof |
| CN114808160A (en) * | 2022-05-31 | 2022-07-29 | 浙江安吉华逸化纤有限公司 | Single-layer graphene multifunctional composite fiber melt spinning equipment and process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301057A (en) * | 2018-03-13 | 2018-07-20 | 张家港锦亿化纤有限公司 | The cooling device of chemical fiber wire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10039093A1 (en) * | 1999-08-13 | 2001-03-29 | Barmag Barmer Maschf | Melt spinning station control system, has a process control unit at each process stage which has an address code for identification linked to the machine control for trouble-free coordination and monitoring of all the process stages |
| CN1662682A (en) * | 2002-07-10 | 2005-08-31 | 苏拉有限及两合公司 | Method and device for melt-spinning and cutting a tow |
| WO2011141427A1 (en) * | 2010-05-11 | 2011-11-17 | Oerlikon Textile Gmbh & Co. Kg | Process and apparatus for melt-spinning and cooling a multiplicity of synthetic threads |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404258A1 (en) * | 1993-02-22 | 1994-08-25 | Barmag Barmer Maschf | Blow-on device in a spinning apparatus for thermoplastic threads |
| WO2007059914A1 (en) * | 2005-11-24 | 2007-05-31 | Oerlikon Textile Gmbh & Co. Kg | Method and device for melt spinning and cooling a multifilament thread comprising a measurement of the cooling air temperature inside the filament bundle |
-
2012
- 2012-11-16 EP EP12797785.8A patent/EP2783028A1/en not_active Withdrawn
- 2012-11-16 CN CN201280058000.6A patent/CN104053828A/en active Pending
- 2012-11-16 WO PCT/EP2012/072862 patent/WO2013076017A1/en active Application Filing
- 2012-11-16 IN IN4664CHN2014 patent/IN2014CN04664A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10039093A1 (en) * | 1999-08-13 | 2001-03-29 | Barmag Barmer Maschf | Melt spinning station control system, has a process control unit at each process stage which has an address code for identification linked to the machine control for trouble-free coordination and monitoring of all the process stages |
| CN1662682A (en) * | 2002-07-10 | 2005-08-31 | 苏拉有限及两合公司 | Method and device for melt-spinning and cutting a tow |
| WO2011141427A1 (en) * | 2010-05-11 | 2011-11-17 | Oerlikon Textile Gmbh & Co. Kg | Process and apparatus for melt-spinning and cooling a multiplicity of synthetic threads |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107532336A (en) * | 2015-04-16 | 2018-01-02 | 米歇尔·范德威尔公司 | For producing the machine of synthetic thread |
| CN107532336B (en) * | 2015-04-16 | 2020-06-09 | 范德威尔公司 | Machine for producing synthetic threads |
| CN113235225A (en) * | 2021-04-14 | 2021-08-10 | 清华大学深圳国际研究生院 | Substrate material and preparation method thereof |
| CN114808160A (en) * | 2022-05-31 | 2022-07-29 | 浙江安吉华逸化纤有限公司 | Single-layer graphene multifunctional composite fiber melt spinning equipment and process |
| CN114808160B (en) * | 2022-05-31 | 2023-08-11 | 浙江安吉华逸化纤有限公司 | Single-layer graphene multifunctional composite fiber melt spinning equipment and process |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2783028A1 (en) | 2014-10-01 |
| IN2014CN04664A (en) | 2015-09-18 |
| WO2013076017A1 (en) | 2013-05-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140917 |
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| RJ01 | Rejection of invention patent application after publication |