CN108032502A - A kind of nylon tube production line - Google Patents
A kind of nylon tube production line Download PDFInfo
- Publication number
- CN108032502A CN108032502A CN201711370776.2A CN201711370776A CN108032502A CN 108032502 A CN108032502 A CN 108032502A CN 201711370776 A CN201711370776 A CN 201711370776A CN 108032502 A CN108032502 A CN 108032502A
- Authority
- CN
- China
- Prior art keywords
- extruder
- nylon
- production line
- raw material
- nylon tube
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of nylon tube production line,Including extruder,Heater,Dust cleaning case and stent,Material storage container is provided with the right side of the extruder,The outer surface top of the extruder is provided with drying machine hopper,Material sucking machine is provided with above the drying machine hopper,Material sucking machine outer surface left end is provided with feed pipe,Existing nylon tube production line is provided with material storage container,Material sucking machine and dust cleaning case,The heater operation heating and the stirring of blender of material storage container are run,Nylon raw material is promoted to keep drying,Reduce nylon raw material moisture pick-up properties,And automatic charging is realized by Material sucking machine operation,Dust cleaning case collecting dust-removing during nylon raw material is dried,Prevent the dust in drying machine from carrying out secondary pollution to nylon raw material,Nylon raw material drying is avoided not enough fully to cause excess moisture,It ensure that nylon raw material melts fully in extruder,It ensure that the ratio of briquetting of nylon tube and the quality of nylon tube production and processing.
Description
Technical field
The invention belongs to tubing to produce and process technical field, and in particular to a kind of nylon tube production line.
Background technology
Pipe production line is the assembly line for tubing production, and nylon tube is a kind of synthetic fibers, has good physics and chemistry
And mechanical performance：It is wear-resistant, it can be used under conditions of having sandstone, iron filings；Surface is smooth, reduces resistance, can prevent from getting rusty
Deposit with fouling；Softness, it is flexible, it is easily installed, processing is simple.
Original nylon tube production line still have several drawbacks part, nylon tube production line in process of production, it is necessary to
Feeding is manually carried out, and raw material cannot be preheated, may be because of excess moisture in raw material, so as to cause raw material in extruder
Interior fusing is not abundant enough, easily produces crystallization, so as to reduce the ratio of briquetting of nylon tube and the quality of nylon tube production and processing, Buddhist nun
Imperial pipe production line needs to stop the mould that line replace extrusion forming in the nylon tube of production different size, not only influences production line
Production and processing effect, it is also necessary to the equipment such as extruder are heated again, waste power resource, increase operating cost.
The content of the invention
It is an object of the invention to provide a kind of nylon tube production line, to solve to propose original Buddhist nun in above-mentioned background technology
Imperial pipe production line still has several drawbacks part, in nylon tube production line in process of production, it is necessary to manually carry out feeding, and
Raw material cannot be preheated, so as to cause raw material to be melted in extruder not enough fully, may held because of excess moisture in raw material
Crystallization is also easy to produce, so as to reduce the ratio of briquetting of nylon tube and the quality of nylon tube production and processing, nylon tube production line is producing
The nylon tube of different size needs to stop the mould that line replace extrusion forming, not only influences the effect of the production and processing of production line
Fruit, it is also necessary to the problem of being heated again to equipment such as extruders, wasting power resource, increase operating cost.
To achieve the above object, the present invention provides following technical solution：A kind of nylon tube production line, including extruder, plus
Hot device, dust cleaning case and stent, are provided with material storage container on the right side of the extruder, and the outer surface top of the extruder is provided with dry
Dry machine hopper, is provided with Material sucking machine above the drying machine hopper, Material sucking machine outer surface left end is provided with feed pipe, institute
One end of feed pipe is stated through material storage container, vacuum cooled sink, the vacuum cooled water are provided with the right side of the extruder
The junction of groove and extruder is provided with molding die, and caterpillar-tractor is provided with the right side of the vacuum cooled sink, described
Automatic gas cutting machine is provided with the right side of caterpillar-tractor, winder, the heater are provided with the right side of the automatic gas cutting machine
Installed in the madial wall bottom of material storage container, blender is provided with above the heater, the left end of the blender is provided with
Stirring motor, the dust cleaning case are installed on the left side of drying machine hopper, and the top end of the dust cleaning case is provided with backwind tube, institute
The one end for stating backwind tube is fixedly connected with drying machine hopper, and air blower, the stent are provided with the right side of the drying machine hopper
Installed in the inside of molding die, forming tank is provided with the inside of the stent, the right end of the forming tank is provided with the second mould
Plate, the right end of the stent are provided with slide, and driving air pump is provided with the inside of the slide, and the inside of the driving handle is set
There is driving handle, the left end of the driving handle is provided with the first template, the Material sucking machine, drying machine hopper, caterpillar-tractor, winding
Machine, automatic gas cutting machine, vacuum cooled sink, extruder, heater, stirring motor and air blower electrically connect with external power supply
Connect.
Preferably, the Material sucking machine is fixedly connected with material storage container by feed pipe.
Preferably, the blender is connected with stirring motor by rotating shaft transmission.
Preferably, first template is sequentially connected with driving air pump by driving handle.
Preferably, the dust cleaning case is fixedly connected in a welding manner with extruder by fixed frame.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is scientific and reasonable for structure, safe and convenient to use, existing
Some nylon tube production lines are provided with material storage container, Material sucking machine and dust cleaning case, utilize the heater operation heating and stirring of material storage container
The stirring of device is run, and promotes nylon raw material to keep drying, reduces nylon raw material moisture pick-up properties, and realize certainly by Material sucking machine operation
Dynamic feeding, it is time saving and energy saving, using dust cleaning case during nylon raw material is dried collecting dust-removing, prevent the dust in drying machine
Secondary pollution is carried out to nylon raw material, avoids nylon raw material drying from not enough fully causing excess moisture, it is ensured that nylon raw material
Melted fully in extruder, reduce the generation of material crystal, it is ensured that ratio of briquetting and the nylon tube production and processing of nylon tube
Quality, driving air pump and the first template are provided with to the molding die of existing nylon tube production line, filled using air pump is driven
Gas promotes the first template to overlap the change molding diameter of section of nylon tube with original template, is produced so as to avoid nylon production line
The nylon tube of different size is time saving and energy saving, it is necessary to shut down the mould for replacing extrusion forming, it is ensured that the production of nylon tube production line plus
The efficiency of work, and ensure that the running temperature of the equipment such as extruder, power resource has been saved, has reduced operating cost.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the material storage container schematic cross-sectional view of the present invention；
Fig. 3 is the molding die schematic cross-sectional view of the present invention；
In figure：1- feed pipes, 2- Material sucking machines, 3- drying machines hopper, 4- molding dies, 5- caterpillar-tractors, 6- winders, 7- are certainly
Dynamic cutting machine, 8- vacuum cooleds sink, 9- extruders, 10- material storage containers, 11- heaters, 12- stirring motors, 13- blenders,
14- dust cleaning cases, 15- backwind tubes, 16- air blowers, 17- forming tanks, 18- stents, 19- driving handles, 20- drivings air pump, 21- are slided
Rail, the first templates of 22-, the second templates of 23-.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of nylon tube production line, including extruder 9, heating
Device 11, dust cleaning case 14 and stent 18, the right side of extruder 9 are provided with material storage container 10, and the outer surface top of extruder 9 is provided with dry
Dry machine hopper 3, the top of drying machine hopper 3 are provided with Material sucking machine 2, and 2 outer surface left end of Material sucking machine is provided with feed pipe 1, charging
One end of pipe 1 is provided with vacuum cooled sink 8, vacuum cooled sink 8 and extrusion through material storage container 10, the right side of extruder 9
The junction of machine 9 is provided with molding die 4, and the right side of vacuum cooled sink 8 is provided with caterpillar-tractor 5, caterpillar-tractor 5
Right side is provided with automatic gas cutting machine 7, and the right side of automatic gas cutting machine 7 is provided with winder 6, and heater 11 is installed on material storage container 10
Madial wall bottom, the top of heater 11 are provided with blender 13, and the left end of blender 13 is provided with stirring motor 12, dust cleaning case
14 are installed on the left side of drying machine hopper 3, and the top end of dust cleaning case 14 is provided with backwind tube 15, and one end of backwind tube 15 is with doing
Dry machine hopper 3 is fixedly connected, and the right side of drying machine hopper 3 is provided with air blower 16, and stent 18 is installed on the interior of molding die 4
Portion, the inner side of stent 18 are provided with forming tank 17, and the right end of forming tank 17 is provided with the second template 23, and the right end of stent 18 is set
There is slide 21, the inner side of slide 21 is provided with driving air pump 20, and driving handle 19 is internally provided with driving handle 19, driving handle 19
Left end is provided with the first template 22, Material sucking machine 2, drying machine hopper 3, caterpillar-tractor 5, winder 6, automatic gas cutting machine 7, vacuum
Bosh 8, extruder 9, heater 11, stirring motor 12 and air blower 16 are electrically connected with external power supply.
In order to enable Material sucking machine 2 and the installation of material storage container 10 are fixed, by the both ends of feed pipe 1 respectively with Material sucking machine 2 and
Material storage container 10 is fixedly connected, and is run by Material sucking machine 2 and is delivered to nylon raw material in drying machine material through feed pipe 2 from material storage container 10
Processing is dried, by controlling the operation of Material sucking machine 2 to realize the quantitative feeding of nylon raw material, allows nylon tube to produce and process
It is more efficient, and reduce the labor intensity of staff, in the present embodiment, preferable Material sucking machine 2 and material storage container
10 are fixedly connected by feed pipe 1.
In order to enable the stable drive of blender 13 and stirring motor 12, is powered by stirring motor 12 and run, drive is stirred
The rotation of 13 stress of device is mixed, and then stirs nylon raw material, allows nylon raw material to be uniformly heated in except material pond, preheating and drying processing
More fully, while reduce the performance of nylon raw material moisture absorption, in the present embodiment, preferable blender 13 and stirring motor 12
Connected by rotating shaft transmission.
In order to enable the first template 22 and the stable drive of driving air pump 20, by driving air pump 20 to be compressed by external world's inflation
The inner space of air pump 20 is driven, promotes the first template 22 to a Slideslip, until being bonded the second template 23, and then changes template
Forming diameter size, change the molding specification of nylon tube, avoid manually carry out dismounting and change, it is time saving and energy saving, it is ensured that
Production line does not shut down the efficiency of operation and the production and processing of production line, in the present embodiment, preferable first template 22 and driving gas
Pump 20 is sequentially connected by driving handle 19.
In order to enable dust cleaning case 14 and the installation of extruder 9 are fixed, dust cleaning case 14 is weldingly fixed on 9 top of extruder
On fixed frame, it is ensured that the carry out dust removal process of 14 safety and stability of dust cleaning case, collects drying machine hopper 3 by dust cleaning case 14 and dry
The dust that nylon raw material produces, avoids the dust that raises and carries out secondary pollution to nylon raw material, in the present embodiment, preferably removes
Dirt case 14 is fixedly connected in a welding manner with extruder 9 by fixed frame.
The operation principle and process for using of the present invention：After the present invention installs, external power supply is connected, opens nylon successively
Nylon raw material is put into material storage container 10 by the power switch of each equipment of pipe production line, staff, by material storage container 10
The operation heating of heater 11, distribute heat, and run by stirring motor 12, drive blender 13 to stir nylon raw material, allow
The enough of nylon raw material preheating and drying is fully run by Material sucking machine 2, is produced suction, is delivered to nylon raw material through feed pipe 1
3 in drying machine hopper, run by air blower 16, produce wind-force, be delivered to by ventilation duct in drying machine hopper 3, nylon is former
The dust produced in material drying process is transported in dust cleaning case 14 by backwind tube 15 carries out dust removal process, and nylon raw material passes through drying
Machine hopper 3 enters in extruder 9, and nylon raw material runs heating fusing by extruder 9, and has helical axis operation rotation by nylon
Material extruding is exported to molding die 4, and nylon raw material enters forming tank 17 by molding die 4, has forming tank 17 by nylon
Raw material sizing is cylindric, and the cylinder of different-diameter size is pressed into by the second template 23, and then molding nylon raw material enters
Vacuum cooled sink 8, is cooled down moulding by vacuum cooled sink 8, is run by caterpillar-tractor and is conveyed molding nylon tube
Into automatic gas cutting machine 7, run by automatic gas cutting machine 7 and nylon tube cut into specified length, and run by winder 2,
Nylon tube batch bundled, completes the production of nylon tube, then send the nylon tube machined to after examining at inspection,
Carry out packaging and storage.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of nylon tube production line, including extruder（9）, heater（11）, dust cleaning case（14）And stent（18）, its feature exists
In：The extruder（9）Right side be provided with material storage container（10）, the extruder（9）Outer surface top be provided with drying machine
Hopper（3）, the drying machine hopper（3）Top be provided with Material sucking machine（2）, the Material sucking machine（2）Outer surface left end is provided with
Feed pipe（1）, the feed pipe（1）One end through material storage container（10）, the extruder（9）To be provided with vacuum cold on right side
But sink（8）, the vacuum cooled sink（8）With extruder（9）Junction be provided with molding die（4）, the vacuum is cold
But sink（8）Right side be provided with caterpillar-tractor（5）, the caterpillar-tractor（5）Right side be provided with automatic gas cutting machine
（7）, the automatic gas cutting machine（7）Right side be provided with winder（6）, the heater（11）Installed in material storage container（10）It is interior
Side wall bottom, the heater（11）Top be provided with blender（13）, the blender（13）Left end be provided with stirring
Motor（12）, the dust cleaning case（14）Installed in drying machine hopper（3）Left side, the dust cleaning case（14）Top end set
There is backwind tube（15）, the backwind tube（15）One end and drying machine hopper（3）It is fixedly connected, the drying machine hopper（3）'s
Right side is provided with air blower（16）, the stent（18）Installed in molding die（4）Inside, the stent（18）Inner side set
It is equipped with forming tank（17）, the forming tank（17）Right end be provided with the second template（23）, the stent（18）Right end set
There is slide（21）, the slide（21）Inner side be provided with driving air pump（20）, the driving handle（19）Be internally provided with drive
Dynamic handle（19）, the driving handle（19）Left end be provided with the first template（22）, the Material sucking machine（2）, drying machine hopper（3）、
Caterpillar-tractor（5）, winder（6）, automatic gas cutting machine（7）, vacuum cooled sink（8）, extruder（9）, heater（11）, stir
Mix motor（12）And air blower（16）It is electrically connected with external power supply.
A kind of 2. nylon tube production line according to claim 1, it is characterised in that：The Material sucking machine（2）With material storage container
（10）Pass through feed pipe（1）It is fixedly connected.
A kind of 3. nylon tube production line according to claim 1, it is characterised in that：The blender（13）With stirring motor
（12）Connected by rotating shaft transmission.
A kind of 4. nylon tube production line according to claim 1, it is characterised in that：First template（22）With driving gas
Pump（20）Pass through driving handle（19）It is sequentially connected.
A kind of 5. nylon tube production line according to claim 1, it is characterised in that：The dust cleaning case（14）With extruder
（9）It is fixedly connected in a welding manner by fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370776.2A CN108032502A (en) | 2017-12-19 | 2017-12-19 | A kind of nylon tube production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711370776.2A CN108032502A (en) | 2017-12-19 | 2017-12-19 | A kind of nylon tube production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108032502A true CN108032502A (en) | 2018-05-15 |
Family
ID=62099718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711370776.2A Pending CN108032502A (en) | 2017-12-19 | 2017-12-19 | A kind of nylon tube production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108032502A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497794A (en) * | 2020-10-30 | 2021-03-16 | 中国科学院西安光学精密机械研究所 | Preparation method and preparation device of negative-curvature hollow terahertz polymer waveguide tube |
| CN112606319A (en) * | 2020-12-02 | 2021-04-06 | 九江市哥瑞照明电器有限公司 | Automatic material device of taking out of injection molding machine |
| CN116084030A (en) * | 2023-01-10 | 2023-05-09 | 南通惠暻纺织科技有限公司 | Polyester fiber spinning device |
-
2017
- 2017-12-19 CN CN201711370776.2A patent/CN108032502A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497794A (en) * | 2020-10-30 | 2021-03-16 | 中国科学院西安光学精密机械研究所 | Preparation method and preparation device of negative-curvature hollow terahertz polymer waveguide tube |
| CN112497794B (en) * | 2020-10-30 | 2022-05-20 | 中国科学院西安光学精密机械研究所 | Preparation method and preparation device of negative-curvature hollow terahertz polymer waveguide tube |
| CN112606319A (en) * | 2020-12-02 | 2021-04-06 | 九江市哥瑞照明电器有限公司 | Automatic material device of taking out of injection molding machine |
| CN116084030A (en) * | 2023-01-10 | 2023-05-09 | 南通惠暻纺织科技有限公司 | Polyester fiber spinning device |
| CN116084030B (en) * | 2023-01-10 | 2023-09-22 | 南通惠暻纺织科技有限公司 | Polyester fiber spinning device |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180515 |
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| WD01 | Invention patent application deemed withdrawn after publication |