CN209020695U - A kind of optical fiber drawing-in device - Google Patents
A kind of optical fiber drawing-in device Download PDFInfo
- Publication number
- CN209020695U CN209020695U CN201821295990.6U CN201821295990U CN209020695U CN 209020695 U CN209020695 U CN 209020695U CN 201821295990 U CN201821295990 U CN 201821295990U CN 209020695 U CN209020695 U CN 209020695U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- bucket
- annulus
- bare fibre
- shuttle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 89
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 230000001133 acceleration Effects 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 31
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000005347 demagnetization Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007380 fibre production Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model discloses a kind of optical fiber drawing-in devices, fine shuttle is worn including bare fibre, accelerate to keep bucket and demagnetizer, bare fibre wears fine shuttle, accelerate that bucket and demagnetizer is kept sequentially coaxially to be arranged from top to bottom with optical fiber coating die, bare fibre is worn fine shuttle and is made of several the first wide annulus, first annulus includes two opposite polarity first semicircular rings, two neighbouring the first semicircular ring polarity are opposite, accelerate that bucket is kept to be made of several the second wide annulus, second annulus includes two opposite polarity second semicircular rings, two neighbouring the second semicircular ring polarity are opposite, first annulus is identical as the second annular width, the internal diameter that bare fibre wears fine shuttle is slightly less than the diameter of optical fiber, the outer diameter that bare fibre wears fine shuttle is less than the internal diameter for accelerating to keep bucket, fine shuttle is worn using the optical fiber being suspended in magnetic field, in certain acceleration and inertia That high speed fibre, high-precision and high concentricity are led under effect passes through optical fiber coating die.
Description
Technical field
The utility model relates to optic fibre manufacturing technology fields, and in particular to a kind of optical fiber for driving optical fiber to pass through coating die
Drawing-in device.
Background technique
The drawing production process of optical fiber is first vertically to be sent into prefabricated rods by feed cartridge to be higher than in 2000 DEG C of fiber drawing furnaces,
Prefabricated rods are drawn into filament after high temperature melting, shrink rapidly and attenuate as bare fibre under drawing tensile force effect, go out out of furnace
Come high temperature bare fibre enter cooling system carry out cooling down after, bare fibre surface micro-crack not yet by moisture in air
Deng influence expand when, it is necessary to rapidly coat to protect optical fiber surface, in application system optical fiber surface coat sets
Grease coating material, subsequently into curing system, bare fibre stretch-proof, bending ability are reinforced in cured molding, are finally filled by Winding
It sets and collects optical fiber.The purpose of coated with resins layer is the different extraneous dust particle contacts of protection bare fibre on optical fiber surface, these
Particle can significantly reduce the intensity of optical fiber, and coating can also prevent extraneous moisture etch optical fiber, and loss is avoided to increase, moreover it is possible to
Micro-bend protection is provided to optical fiber in various environment.
It must assure that wire drawing optical fiber in the center of coating die holder, otherwise will lead to optical fiber in the process of coating
Coating concentricity is unqualified, intensity difference, causes serious quality problems.It is equal that bare fibre is passed through into optical fiber coating die in the prior art
Using manual hand manipulation, it is highly 120mm that optical fiber coating die aperture, which is 258 μm, must use some time will to wear mould
The control of bare fibre string diameter exists: 250 μm, drawing speed control exists: 30m/Min can expend the optical fiber production time at this time: 50Min, and
At this time due to wearing mould reduction of speed, the optical fiber of production this period does not conform to since parameter cannot reach the speed of minimum process requirement
Lattice, probably lose optical fiber 20km, cleaned if wearing mould and unsuccessfully needing to take out mold to be placed again into ultrasonic wave, and from 5 buildings after
Silk is worn above continuous traction optical fiber to coating die, it is general to consume the effective fiber production time again: 60Min, and mould master is worn manually
Operator's experience is relied on, it is low to wear mould success rate, and only about 75%, when work, operator distance UV cure lamp distance is close,
It is easy to artificial into ultraviolet radiation.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of automatic optical fiber drawing-in device using magnetic levitation technology,
Fine shuttle is worn using the optical fiber being suspended in magnetic field, bare fibre high speed, high-precision are led under the action of certain acceleration and inertia
And high concentricity passes through optical fiber coating die, realizes that bare fibre wears the key technique of this optical fiber production of mould.
In order to solve the above-mentioned technical problem, the utility model provides a kind of optical fiber drawing-in device, including bare fibre wears fibre
Shuttle accelerates to keep bucket and demagnetizer, the bare fibre wear fine shuttle, accelerate to keep bucket and demagnetizer and optical fiber coating die from upper and
Under be sequentially coaxially arranged, the bare fibre is worn fine shuttle and is made of several the first wide annulus, first annulus include two
Opposite polarity first semicircular ring, two neighbouring the first semicircular ring polarity are on the contrary, the acceleration keeps bucket by several etc.
Wide second annulus composition, second annulus include two opposite polarity second semicircular rings, and neighbouring two second
For semicircular ring polarity on the contrary, first annulus is identical as the second annular width, the internal diameter that the bare fibre wears fine shuttle is slightly less than light
Fine diameter, the outer diameter that the bare fibre wears fine shuttle are less than the internal diameter for accelerating to keep bucket, utilize the light being suspended in magnetic field
Fibre wears fine shuttle, and the optical fiber that passes through of high speed fibre, high-precision and high concentricity is led to apply under the action of certain acceleration and inertia
Cover mold.
Further, it is hard magnetic material that the bare fibre, which wears fine shuttle, and it is permanent-magnet material that the acceleration, which keeps bucket, guarantees naked light
Fibre wears fine shuttle and is accelerating to keep having stronger magnetism in bucket, and is easy to be unmagnetized after demagnetizer.
Further, one first annulus of composition is connected by spring between two first semicircular rings, so that
After first annulus is unmagnetized device demagnetization, two the first semicircular rings are rapidly separated under the effect of spring force.
Further, first annulus and the second annulus are at least provided with 3, to guarantee the acceleration distance of optical fiber.
Further, the acceleration keeps bucket at least provided with two-stage, and the acceleration being located above keeps the radius of bucket
Less than the underlying radius for accelerating to keep bucket, guarantee the acceleration distance of optical fiber.
Further, it includes that the first order accelerates to keep bucket and the second level to accelerate to keep bucket that the acceleration, which keeps bucket, and described the
Level-one accelerates the outer diameter for keeping bucket to be less than the second level and accelerates holding bucket inside radius, and the second level accelerates the internal diameter for keeping bucket to be greater than
The radius of the demagnetizer, the demagnetizer are located at the second level and accelerate to keep bucket lower inside, prevent itself relatively thin and compared with
Light optical fiber provides continuous driving force since inertia cannot not enough be pierced by optical fiber coating die completely, for optical fiber to expose longer light
It is fine.
Further, recycling box is additionally provided between the demagnetizer and the optical fiber coating die, it is convenient to bare fibre
The collection of fine shuttle is worn, operation next time is then carried out.
Further, the auxiliary traction of grip optical fiber is provided with below the optical fiber coating die, the auxiliary traction includes two
A clipping traction wheel arranged side by side, the velocity of rotation of two clipping traction wheels and direction are identical, clipping lead described
Under the rotation of running wheel, the optical fiber stretched out from the coating die is drawn in clamping.
Further, the wheel face of the clipping traction wheel be indent arc, guarantee clamping process in optical fiber surface
For face contact, the protection to optical fiber is realized.
A kind of optical fiber drawing-in device of the utility model, beneficial effect compared with prior art are to can be realized automatically
Mould is worn, and wears fast mould speed, precision and concentricity height, production efficiency is greatly improved, improves and wear mould success rate, reduce optical fiber
Learies have saved production cost, improve working environment.
Detailed description of the invention
Fig. 1 is one overall structure diagram of the utility model embodiment；
Fig. 2 is that one bare fibre of the utility model embodiment wears fine shuttle and accelerates to keep the concentric schematic diagram of bucket；
Fig. 3 is that two bare fibre of the utility model embodiment wears fine shuttle top view；
Fig. 4 is three overall structure diagram of the utility model embodiment；
Fig. 5 is four structural schematic diagram of the utility model embodiment；
Fig. 6 is five overall structure diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
It as depicted in figs. 1 and 2, is the structural schematic diagram of the utility model embodiment one, a kind of 1 drawing-in device of optical fiber, packet
Bare fibre is included to wear fine shuttle 2, accelerate to keep bucket 3 and demagnetizer 4, the bare fibre wear fine shuttle 2, accelerate to keep bucket 3 and demagnetizer 4 with
Optical fiber coating die 5 is sequentially coaxially arranged from top to bottom, and the bare fibre is worn fine shuttle 2 and is made of several the first wide annulus,
First annulus includes two opposite polarity first semicircular rings 21, neighbouring two the first semicircular rings, 21 polarity phase
Instead, the acceleration keeps bucket 3 to be made of several the second wide annulus, and second annulus includes two opposite polarity second
Semicircular ring 31, two neighbouring 31 polarity of the second semicircular ring are on the contrary, first annulus is identical as the second annular width, institute
State bare fibre and wear the internal diameter of fine shuttle 2 and be slightly less than the diameter of optical fiber 1, thus bare fibre wear fine shuttle 2 can secured grip optical fiber 1, institute
Internal diameter of the outer diameter less than the acceleration holding bucket 3 that bare fibre wears fine shuttle 2 is stated, fine shuttle 2 is worn when bare fibre and is located at acceleration holding bucket 3
It is interior, and the first semicircular ring 21 and with its be located at 31 polarity of the second semicircular ring of sustained height it is opposite when, bare fibre wears fine shuttle 2 can
It is suspended in acceleration to keep in bucket 3 and guarantee that bare fibre wears fine shuttle 2 and accelerates to keep bucket 3 coaxial, wears fine shuttle 2 centainly to bare fibre
Thrust, bare fibre, which wears fine shuttle 2, to accelerate to keep realization in bucket 3 to add under homopolar-repulsion and heteropolar attracting double reaction plus
Speed moves in the axial direction, guarantees that height, high-precision and high concentricity, the first annulus that bare fibre wears fine 2 bottom of shuttle are being worn
Accelerate to be unmagnetized 4 demagnetization of device after keeping 3 the second annulus of bottom of bucket out, the two of magnetic force the first semicircular ring 21 is not due to lacking
Suction adjacent to each other and separate, expose the optical fiber 1 that clamp by the first annulus, the first annulus of top is still located at acceleration guarantor at this time
It holds in bucket 3, grip optical fiber 1 accelerates downwards, and bare fibre wears the fine segmentation of shuttle 2 and decontrols optical fiber 1, final light during downwards
Fibre 1 keeps high speed, high-precision and high concentricity to pass through 5 center of optical fiber coating die under effect of inertia, to guarantee that bare fibre is worn
Fine shuttle 2 is accelerating to keep having stronger magnetism in bucket 3, and is easy to be unmagnetized after demagnetizer 4, and the bare fibre wears fine shuttle
2 be hard magnetic material, and it is permanent-magnet material that the acceleration, which keeps bucket 3, first annulus and the second annulus at least provided with 3,
The acceleration distance for guaranteeing optical fiber 1, enables optical fiber 1 to pass through optical fiber coating die 5.
As shown in figure 3, the top view of fine shuttle 2 is worn for bare fibre in the utility model embodiment two, compared with embodiment one,
By connection one first annulus of composition of spring 6 between two first semicircular rings 21, fine shuttle 2 is worn when bare fibre and is clamped
When optical fiber 1, the magnetic force between two the first semicircular rings 21 is greater than the elastic force of spring 6, and two the first semicircular rings 21 mutually clamp folder
Optical fiber 1 is held, after the first annulus is unmagnetized 4 demagnetization of device, two the first semicircular rings 21 are rapidly separated under the action of 6 elastic force of spring,
So that only optical fiber 1 passes through optical fiber coating die 5.
As shown in figure 4, be three structural schematic diagram of the utility model embodiment, compared with embodiment one, institute in embodiment three
Stating acceleration keeps bucket 3 at least provided with two-stage, and the acceleration being located above keeps the radius of bucket 3 to keep less than underlying acceleration
The radius of bucket 3, provides optical fiber 1 longer acceleration distance, and in the present embodiment, it includes that the first order accelerates to protect that the acceleration, which keeps bucket 3,
It holds bucket 32 and the second level accelerates to keep bucket 33, the first order accelerates that the outer diameter of bucket 32 is kept to accelerate to keep bucket 33 less than the second level
Internal diameter, the second level accelerate to keep the internal diameter of bucket 33 greater than the outer diameter of the demagnetizer 4, and demagnetizer 4 is located at second level acceleration
33 lower inside of bucket is kept, bare fibre wears fine shuttle 2 and starts demagnetization separation when that will be pierced by the second level and accelerate to keep bucket 33, reduces
The second level accelerates to keep the distance between bucket 33 and optical fiber coating die 5, and the optical fiber 1 for preventing itself thinner and lighter is due to inertia
It cannot not enough be pierced by optical fiber coating die 5 completely, provide continuous driving force for optical fiber 1 to expose longer optical fiber 1.
As shown in figure 5, be four structural schematic diagram of the utility model embodiment, compared with embodiment one, institute in example IV
It states and is additionally provided with recycling box 7 between demagnetizer 4 and the optical fiber coating die 5, be separated into two when the first annulus is unmagnetized
After one semicircular ring 21, two the first semicircular rings 21 are fallen in recycling box 7, the convenient collection that fine shuttle 2 is worn to bare fibre, and laggard
The operation of row next time.
As shown in fig. 6, being the structural schematic diagram of the utility model embodiment five, compared with embodiment one, in embodiment five
It is provided with the auxiliary traction of grip optical fiber 1 below the optical fiber coating die 5, the auxiliary traction includes two and arranged side by side clipping leads
Running wheel 8, the velocity of rotation of two clipping traction wheels 8 and direction are identical, under the rotation of the clipping traction wheel 8,
The optical fiber 1 that clamping traction is stretched out from the coating die, makes optical fiber 1 continue to move downward, to make clipping traction wheel 8 and optical fiber
1 surface matches, and the wheel face of the clipping traction wheel 8 is the arc of indent, guarantees the guarantor in clamping process to 1 surface of optical fiber
Shield.
When the utility model at work, fine shuttle is worn to bare fibre first to be powered, make the magnetic force between two the first semicircular rings
Greater than the spring force of both, two the first semicircular rings interactions clamp bare fibres, and bare fibre is worn fine shuttle setting the
Level-one accelerates to keep suitable position above bucket, disconnects power supply, and wearing fine shuttle due to bare fibre is hard magnetic material, naked light after power-off
The magnetism that fibre wears fine shuttle is still kept, and is worn fine shuttle to bare fibre and is applied a power, bare fibre wears fine shuttle in the first order and second
Grade accelerates to keep to accelerate vertically downward in bucket, and bare fibre is worn when fine shuttle accelerates to certain speed by demagnetizer, demagnetizer
Eliminate bare fibre and wear the magnetic force of fine shuttle, bare fibre wear fine shuttle under the action of the spring a section be separated into the first semicircular ring expose it is naked
Optical fiber, bare fibre is due to inertia and wears under fine shuttle drives quickly in the bare fibre of not yet demagnetization and high-axiality passes through coating die
Tool then is continued to move downwardly in next step by traction wheel clamping, the traction of auxiliary traction.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of optical fiber drawing-in device, which is characterized in that fine shuttle is worn including bare fibre, accelerates to keep bucket and demagnetizer, it is described naked
Optical fiber wears fine shuttle, accelerates that bucket and demagnetizer and optical fiber coating die is kept sequentially coaxially to be arranged from top to bottom, and the bare fibre is worn
Fine shuttle is made of several the first wide annulus, and first annulus includes two opposite polarity first semicircular rings, up and down phase
For two adjacent the first semicircular ring polarity on the contrary, the acceleration keeps bucket to be made of several the second wide annulus, described second is round
Ring includes two opposite polarity second semicircular rings, and two neighbouring the second semicircular ring polarity are on the contrary, first annulus
Identical as the second annular width, the internal diameter that the bare fibre wears fine shuttle is slightly less than the diameter of optical fiber, and the bare fibre wears fine shuttle
Outer diameter is less than the internal diameter for accelerating to keep bucket.
2. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that it is Hard Magnetic material that the bare fibre, which wears fine shuttle,
Material, it is permanent-magnet material that the acceleration, which keeps bucket,.
3. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that pass through between two first semicircular rings
Spring connection one first annulus of composition.
4. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that first annulus and the second annulus are extremely
It is provided with 3 less.
5. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that the acceleration keeps bucket at least provided with two
Grade, the acceleration being located above keep the radius of bucket to be less than the underlying radius for accelerating to keep bucket.
6. a kind of optical fiber drawing-in device as claimed in claim 5, which is characterized in that the acceleration keeps bucket to add including the first order
Speed keeps bucket and second level acceleration keeps bucket, and the first order acceleration keeps the outer diameter of bucket to be less than second level acceleration and keeps bucket interior half
Diameter, the second level accelerate the internal diameter of holding bucket greater than the radius of the demagnetizer, and the demagnetizer is located at the second level and adds
Speed keeps bucket lower inside.
7. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that the demagnetizer and the optical fiber coating mould
Recycling box is additionally provided between tool.
8. a kind of optical fiber drawing-in device as described in claim 1, which is characterized in that be provided with below the optical fiber coating die
The auxiliary traction of grip optical fiber, the auxiliary traction include two clipping traction wheels arranged side by side, two clipping traction wheels
Velocity of rotation and direction are identical, and under the rotation of the clipping traction wheel, the light stretched out from the coating die is drawn in clamping
It is fine.
9. a kind of optical fiber drawing-in device as claimed in claim 8, which is characterized in that the wheel face of the clipping traction wheel is interior
Recessed arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295990.6U CN209020695U (en) | 2018-08-13 | 2018-08-13 | A kind of optical fiber drawing-in device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821295990.6U CN209020695U (en) | 2018-08-13 | 2018-08-13 | A kind of optical fiber drawing-in device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209020695U true CN209020695U (en) | 2019-06-25 |
Family
ID=66875322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821295990.6U Withdrawn - After Issue CN209020695U (en) | 2018-08-13 | 2018-08-13 | A kind of optical fiber drawing-in device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209020695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772258A (en) * | 2018-08-13 | 2018-11-09 | 江苏亨通光纤科技有限公司 | A kind of optical fiber drawing-in device |
-
2018
- 2018-08-13 CN CN201821295990.6U patent/CN209020695U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108772258A (en) * | 2018-08-13 | 2018-11-09 | 江苏亨通光纤科技有限公司 | A kind of optical fiber drawing-in device |
| CN108772258B (en) * | 2018-08-13 | 2024-04-02 | 江苏亨通光纤科技有限公司 | Optical fiber mold penetrating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209020695U (en) | A kind of optical fiber drawing-in device | |
| CN102515504B (en) | Multi-bushing plate merging wiredrawing technology and multi-bushing plate wiredrawing device employing it | |
| FR2488917B1 (en) | HIGH PERFORMANCE CARBON FIBER, PROCESS FOR THE PRODUCTION THEREOF, AND COMPOSITE MATERIALS PREPARED THEREFROM | |
| CN108772258A (en) | A kind of optical fiber drawing-in device | |
| CN101886301B (en) | Device for twisting nanometer fibers prepared by electrostatic spinning into stranded wires | |
| CN108603308B (en) | Method for producing polymer nanofibres by electrostatic spinning, spinning electrode for implementing the method and device equipped with the spinning electrode | |
| CN207904417U (en) | A kind of swaying wire equipment of inorfil | |
| CN204058677U (en) | The continuously trapping system of centrifugal electrostatic spinning nano fiber | |
| CN105563853A (en) | Fiber axial zero-degree laying and binding device for production of conical electric pole | |
| CN104178826A (en) | Centrifugal electrostatic continuous nanofiber spinning device | |
| CN104953774A (en) | Device and method for motor assembling through roller bearing without inner ring ribs | |
| DK0465310T3 (en) | Process for the preparation of mineral fibers | |
| CN210064791U (en) | Optical fiber winding framework | |
| CN215328535U (en) | Suspension type active false twisting winding device of ring spinning frame | |
| CN105755557A (en) | Magnetic suspension-type centrifugal electrostatic spinning device | |
| CN104178830A (en) | Continuous collection device for nanofibers spun through centrifugation and static electricity | |
| CN214779846U (en) | Temporary storage mechanism for tows | |
| CN105345034A (en) | Cardan shaft lever end face turning reversing mechanism | |
| CN205443522U (en) | Circular electrode electrostatic spinning device | |
| CN205590843U (en) | Magnetcisuspension flotation electrostatic spinning device | |
| CN106995955A (en) | A kind of automatic doffer with vision | |
| KR20180006079A (en) | Polycarbosilane fiber clustering device and clustering method | |
| CN206882801U (en) | A kind of metallic fiber collection device based on manipulator | |
| JPS62162648A (en) | Production of optical fiber | |
| CN206038973U (en) | From laying optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190625 Effective date of abandoning: 20240402 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190625 Effective date of abandoning: 20240402 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |