CN105800961A - Guide roller and method of manufacturing optical fiber - Google Patents
Guide roller and method of manufacturing optical fiber Download PDFInfo
- Publication number
- CN105800961A CN105800961A CN201610090992.0A CN201610090992A CN105800961A CN 105800961 A CN105800961 A CN 105800961A CN 201610090992 A CN201610090992 A CN 201610090992A CN 105800961 A CN105800961 A CN 105800961A
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- China
- Prior art keywords
- optical fiber
- guide reel
- fiber
- roller
- resin
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
- C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention provides a guide roller capable of excellently guiding the running of an optical fiber for a long period without doing damage to the optical fiber, and provides a method of manufacturing optical fibers. The guide roller guides the running of the optical fiber G2 having a glass fiber G1 coated with a resin, wherein the Vickers hardness in a surface with which the optical fiber G2 comes into contact is 1,000 or more. The guide roller is used as a roller 12 provided immediately below a wire-drawing furnace 21 and changing directions in which the optical fiber G2 runs.
Description
The application is based on the China national application number 201210266974.5 proposed on July 30th, 2012 and applies for the divisional application of (manufacture method of guide reel and optical fiber), its content referenced below.
Technical field
The present invention relates to the manufacture method of a kind of guide reel for the traveling of optical fiber is guided and optical fiber.
Background technology
The optical fiber formed by resin-coating glass optical fiber, in the painted operation or the rolling step again being again wound to other bobbins etc. etc. after wire-drawing process, wire-drawing process, is guided by guide reel and carries.
Currently, make the optical fiber obtained by fibre parent material wire drawing rotate on the surface of guide reel, alternately apply clockwise torsion and torsion counterclockwise, in order to equally suppress polarization dispersion with the situation of orbicular concentric circles, and make guide reel swing.The guide reel of this swing known is formed by aluminum, and the material of guide roller surface is urethane based resin, acrylic resin, aluminum, phenolic resin (for example, referring to patent documentation 1).
Additionally, it is known that: in the processing with enforcement coating on the face of optical fiber contact or ceramic layer, apparent condition is made to meet the condition of arithmetic average roughness Ra 0.5 μm, 2.7 μm and 10 mean roughness Rz of maximum height Ry 1.4 μm, the cladding material surface making optical fiber will not produce concavo-convex and damage (for example, referring to patent documentation 2).
Patent documentation 1: Japanese Unexamined Patent Publication 8-295528 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2005-35799 publication
Summary of the invention
Guide reel as optical fiber, use before this is easily worked, cheap and lightweight phenolic resin material (paper phenolic resin), but owing to phenolic resin material is very soft, even if so defining surface roughness, also such as because of attachment or the sheet glass etc. encountering the optical fiber after broken string, and surface abrasion or damage are in use made.For the optical fiber being had the guide reel of damage to guide by surface, it is possible to make rough surface or the damage of its crust, additionally, it is also possible to produce to constitute the delamination of the boundary face stripping between glass optical fiber and the crust of optical fiber.Additionally, protuberance (concavo-convex) detectors in the traveling process being used in optical fiber, optical fiber shape being scanned etc. check device, sometimes configure guide reel in the front and back of this inspection device and make optical fiber advance, if but the surface abrasion of guide reel or damage, then produce string pendulum at the chien shih optical fiber of guide reel to move, it is possible to cannot check well.
It is an object of the invention to, it is provided that the manufacture method of a kind of guide reel and optical fiber, this guide reel will not damage optical fiber, it is possible to guides optical fiber well for a long time.
The guide reel of the present invention of above-mentioned problem can be solved, resin-coating glass optical fiber the traveling of the optical fiber formed is guided,
It is characterized in that,
The Vickers hardness on the surface of described guide reel and described optical fiber contact is more than or equal to 1000.
The main part of the guide reel of the preferred present invention is formed by metal material, described guide reel with the surface of described optical fiber contact on be formed with the composite ceramics overlay film containing chromium oxide.Additionally, it is preferred that the thickness of described composite ceramics overlay film more than or equal to 30 μm less than or equal to 100 μm.
In the manufacture method of the optical fiber of the present invention, resin-coated on the glass optical fiber that the base glass material wire drawing in fiber drawing furnace is formed, thus obtaining optical fiber,
It is characterized in that,
As being arranged at the underface of described fiber drawing furnace and for changing the positive lower roll of the direct of travel of described optical fiber, use the guide reel of the invention described above.
In the manufacture method of the optical fiber of the present invention, while the optical fiber making to be formed by resin-coating glass optical fiber is advanced, manufacture optical fiber,
It is characterized in that,
The upstream side checking device in the traveling process of described optical fiber, shape checked and downstream, be respectively provided with the guide reel of the invention described above, the traveling of described optical fiber guided.
The effect of invention
Guide reel according to the present invention, owing to the Vickers hardness with the surface of optical fiber contact is more than or equal to 1000, so the excelling in abrasion resistance on surface.Therefore, it can suppress following undesirable condition, i.e. such as in use make surface abrasion or damage due to the sheet glass of attachment or the optical fiber after encountering broken string etc..Therefore, the crust of optical fiber in advancing will not be made coarse due to the damage on the surface of guide reel or damage, it addition, the delamination peeled off without the boundary face produced between glass optical fiber and crust.Therefore, optical fiber will not be made to damage, it is possible to guide well.
Additionally, the manufacture method of the optical fiber according to the present invention using above-mentioned guide reel, the high-quality optical fiber of the undesirable conditions such as damage can be made without, especially, owing to being arranged on the roller touched at first the positive lower roll of the underface of fiber drawing furnace is that clad is relatively soft after wire drawing, and applying the reasons such as bigger tension force, if so using this guide reel as positive lower roll, then its effect is notable.
And, the manufacture method of the optical fiber according to the present invention, owing to guide reel abrasion will not be made to make surface roughening, so in the front and back checking device that optical fiber shape is checked, can when do not make optical fiber carry out string pendulum is dynamic it is guided, inspection device can be utilized to carry out high-precision shape inspection, thus manufacturing the optical fiber of high-quality.
Accompanying drawing explanation
Fig. 1 indicates that the summary construction diagram of an example of the fiber fabrication apparatus with guide reel involved in the present invention.
Fig. 2 indicates that the front view of the guide reel of an example of guide reel shape.
Detailed description of the invention
Below, the example of the guide reel (hereinafter referred to as " high surface hardness roller ") involved by embodiments of the present invention and the embodiment of the methods for optical fiber manufacture utilizing the fiber fabrication apparatus with high surface hardness roller is illustrated.
As it is shown in figure 1, have the fiber fabrication apparatus 1 of guide reel involved by embodiments of the present invention, in its side, most upstream, there is the fiber drawing furnace 21 that glass base material for optical fiber G is heated.Fiber drawing furnace 21 has the cylindric stove heart pipe 3 supplying base glass material G to the inside and the heater 4 around this stove heart pipe 3, and formation is made the base glass material G heating region softened by heater 4.It addition, arrange the supply of oriented heating region in fiber drawing furnace 21 to clean the gas supply part 5 of gas.
The top of base glass material G is gripped by supply unit 6, in the way of making the end portion of base glass material G be positioned at the heating region inside stove heart pipe 3, carry in fiber drawing furnace 21, and base glass material G is stretched downwards and attenuates, form optical fiber (hereinafter referred to as the glass optical fiber) G1 before resin-coating.
It is provided with the chiller 7 using the cooling gases such as helium in the lower section (downstream) of fiber drawing furnace 21, thus glass optical fiber G1 is cooled down, for instance utilize the measuring outside diameter device 8 of laser type that its external diameter is measured.The external diameter of glass optical fiber G1 is such as 125 μm.
Being disposed with in the downstream of external diameter determinator 8: mold 9, it is coated with uv-hardening resin on glass optical fiber G1；And ultraviolet lamp 10, it is for making the uv-hardening resin of coating harden.For the glass optical fiber G1 by this mold 9 and ultraviolet lamp 10, form the clad of uv-hardening resin in its periphery, become optical fiber G2.As uv-hardening resin, for instance use polyurethane acrylate resin.The external diameter of optical fiber G2 is such as 250 μm.
At optical fiber G2 by, after ultraviolet lamp 10, hanging on the guide reel of the underface being arranged at fiber drawing furnace 21, i.e. positive lower roll 12, this positive lower roll 12 change direct of travel.Further, the clad checking the device 11 optical fiber G2 to being changed direct of travel by this positive lower roll 12 is utilized to monitor.This inspection device 11 is the detectors such as bubble detector, measuring outside diameter device or protuberance (concavo-convex) detector, it is that (such as laser type) detects have in the clad of optical fiber G2 on bubble-free, the external diameter of clad or clad with or without protuberance (concavo-convex) in an optical manner, and the optical instrument that the generation of undesirable condition is monitored.
The downstream of this inspection device 11 is provided with guide reel 13, by checking that the traveling of optical fiber G2 that device 11 carries out checking is guided by positive lower roll 12 and guide reel 13.
Hereafter the optical fiber G2 having passed through guide reel 13 is pulled by capstan roller 14, is sent to winding bobbin 18 via screening plant 15 and dance roller 16,17 and is wound.
In above-mentioned manufacture device 1, as be arranged on fiber drawing furnace 21 underface positive lower roll 12 and together with positive lower roll 12 to the optical fiber G2 checked in device 11 guide reel 13 guided, use high surface hardness roller.In addition, in above-mentioned manufacture device 1, positive lower roll 12 is as checking that the guide reel that the traveling of optical fiber G2 is guided by the upstream side of device 11 works, but this example can also be replaced, independent of being used for changing the positive lower roll 12 of the direct of travel of optical fiber G2, it is arranged on the guide reel checking that the traveling of optical fiber G2 is guided by the upstream side of device 11.It addition, in this case, it is preferable to being arranged respectively at, positive lower roll 12 checks that the upstream side of device 11 and the guide reel in downstream all use high surface hardness roller.
Additionally, check that device 11 can also be not arranged in above-mentioned position.It addition, check that device 11 can also be not arranged in manufacturing as described above in the device that device 1 carries out wire drawing like that, and it is arranged in the color applicator in the operation after wire-drawing process or again in coiler device.No matter in which kind of device, it is preferably to as the guide reel being arranged in upstream side and the downstream checking device 11, use high surface hardness roller.
The positive lower roll 12 formed as high surface hardness roller and guide reel 13, its main part is such as formed by metal materials such as aluminum.It addition, positive lower roll 12 and guide reel 13 are as in figure 2 it is shown, have towards the recessed V-shaped groove 33 of its rotating shaft.Further, the valley 34 of the V-shaped groove 33 of positive lower roll 12 and guide reel 13 becomes the cylindrical shape forming barrel surface along rotating shaft.Thus, the surface of the valley 34 of V-shaped groove 33 forms the face parallel with rotating shaft.It addition, this V-shaped groove 33 has the tapered portion 35 that diameter is gradually increased to both sides from valley 34.
Positive lower roll 12, is formed containing chromium oxide (Cr with guide reel 13 on the surface of the V-shaped groove 33 contacted with optical fiber G2 comprising valley 34 and tapered portion 352O3) composite ceramics overlay film.Thus, this high surface hardness roller with the Vickers hardness on the optical fiber G2 surface contacted more than or equal to 1000.But, owing to the Vickers hardness material prices more than 5000 such as diamond (Hv5000～10000) are much more expensive, it is desirable to Vickers hardness is less than or equal to 5000.
This composite ceramics overlay film utilizes chemical reaction to be formed, and has feature, mar proof and the excellent corrosion resistances such as high density, high rigidity overlay film, high adhesion force, low-friction coefficient.Specifically, this composite ceramics overlay film is the thickness being made up of the chromium oxide class composite precision fine ceramic that mean diameter is about 2 μm is the overlay film of 30 μm～100 μm (standard thickness 50 μm) degree, compared with the chromium plating film of hard, it is utilize special ceramics by strengthened for small be full of cracks packing complex function overlay film.Further, for this composite ceramics overlay film, the chromium oxide owing to wherein comprising is the ultramicro powder of about 2 μm, so also having high lubricant effect while keeping high rigidity, also has the effect suppressing slipper heating.It addition, this composite ceramics overlay film is except having high rigidity, also for almost all of solvent, there is highly corrosion resistant.This composite ceramics overlay film is also called CDC-ZAC (registered trade mark) coating.
Below, the method manufacturing optical fiber G2 is illustrated.
First, base glass material G is thrown in fiber drawing furnace 21, heater 4 heats and stretch downwards, with the linear speed of such as about about 1600m/ minute, draw out the glass optical fiber G1 attenuated.
On the periphery of the glass optical fiber G1 after drawing, mold 9 it is coated with uv-hardening resin, then utilizes ultraviolet lamp 10 that uv-hardening resin is carried out ultraviolet radiation so that it is hardening, obtain being coated with the optical fiber G2 of resin.
The direct of travel of the optical fiber G2 being coated with resin is modified by positive lower roll 12, and by checking that device 11 guides.Making optical fiber G2 by checking device 11, thus utilizing this inspection device 11, carrying out shape inspection with or without protuberance etc. to clad having on bubble-free, the external diameter of clad or clad in an optical manner.
Carry out the optical fiber G2 after shape inspection to be guided to capstan roller 14 by guide reel 13.Further, this optical fiber G2 is pulled by capstan roller 14 and is applied in the tension force of regulation, is delivered to winding bobbin 18 via screening plant 15 and dance roller 16,17 and is wound.
In the present embodiment, as be arranged on fiber drawing furnace 21 underface positive lower roll 12 and together with positive lower roll 12 to the optical fiber G2 checked in device 11 guide reel 13 guided, the surface Vickers hardness of the use V-shaped groove 33 high surface hardness roller more than or equal to 1000, wherein, this V-shaped groove 33 includes the valley 34 and the tapered portion 35 that contact with optical fiber G2.For having the high surface hardness roller of this case hardness, the mar proof on its surface is higher, it is possible to suppress following undesirable condition, i.e. such as in use make surface abrasion or damage due to the sheet glass of attachment or the optical fiber G2 after encountering broken string etc..Therefore, the crust of optical fiber G2 in advancing will not be made coarse due to the damage on positive lower roll 12 and the surface of guide reel 13 or damage, it addition, the delamination peeled off without the boundary face produced between glass optical fiber G1 and crust.Therefore, it can long-term guiding optical fiber G2 well.
Especially, the positive lower roll 12 direction of the optical fiber G2 gone out from fiber drawing furnace 21 wire drawing being changed and guide to capstan roller 14 side, due to the roller touched at first when being that clad is relatively soft after wire drawing, and due to the pulling tension force of capstan roller 14, optical fiber G2 is applied the reasons such as bigger tension force, so that optical fiber G2 is easily damaged.Therefore, high surface hardness roller is used particularly as this positive lower roll 12, it is suppressed that the abrasion on surface and damage, such that it is able to suppress the damage to optical fiber G2 as far as possible.
Additionally, to on the optical fiber G2 checked in the device 11 positive lower roll 12 guided and guide reel 13, if it occur that string pendulum moves, then produce because the error detection caused from the inspection area deviation checking device 11 and not detecting etc. detects bad, thus cannot be carried out detecting accurately, but owing to these rollers have employed high surface hardness roller, it is possible to suppress abrasion and the damage on surface, and suppress string pendulum to move.Thus, in checking device 11, it is possible to suppress the string pendulum of optical fiber G2 to move, it is possible to accuracy of detection maintains good state.
Additionally, for the high surface hardness roller used as positive lower roll 12 and guide reel 13, by forming the composite ceramics overlay film containing chromium oxide on its surface, thus utilizing its lubricant effect to make optical fiber G2 slide in tapered portion 35, and successfully guide at valley 34 place of central authorities.Thus, it is possible to suppress owing to the optical fiber G2 advanced moves to the string pendulum caused by tapered portion 35 side shifting, it is possible to use check that device 11 carries out high-precision SHAPE DETECTION.
In addition, in the above-described embodiment, the wire-drawing process of one of the manufacturing process as optical fiber employs high surface hardness roller, but this high surface hardness roller can also be used in the uv-hardening resin of colored coating on the optical fiber be coated with resin and carry out in the painted operation that is coated with or rolling step again that the optical fiber being wound on bobbin is wound to other bobbins again etc..
[embodiment]
(1) endurancing
Make the multiple guide reel that material is different with surface treatment, these guide reels the optical fiber advanced is guided, measure the replacing frequency of guide reel.Additionally, by roughening for the surface of guide reel and when being likely to make optical fiber damage, as the benchmark changed.
(2) test material
(comparative example 1)
Material: phenolic resin
Surface treatment: nothing
Case hardness: HRR122
(comparative example 2)
Material: aluminum
Surface treatment: nothing
Case hardness: Hv50～Hv130
(comparative example 3)
Material: aluminum
Surface treatment: Ta Fulamu (registered trade mark) processes
Case hardness: Hv400
(embodiment 1)
Material: aluminum
Surface treatment: the composite ceramics overlay film containing chromium oxide
Case hardness: Hv1200
Additionally, the case hardness of the guide reel of comparative example 1 " HRR " represents the R level of Rockwell hardness (HR), it is that the pressure the utilizing 600kgf iron ball to diameter 12.7mm presses and the hardness that measures.It addition, the case hardness " Hv " of the guide reel of comparative example 2,3 and embodiment 1 represents Vickers hardness, it is that the diamond to rectangular pyramid presses, according to the hardness that the areal calculation stayed goes out.
It addition, the Ta Fulamu process of comparative example 3 is the surface treatment forming the overlay film combined by hardening oxidation aluminum and fluororesin.
(3) result of the test
The replacing frequency of each guide reel is as follows.
Comparative example 1:6 times/year
Comparative example 2:4 times/year
Comparative example 3:3 times/year
Embodiment 1:0 times/year
As noted above, in the comparative example 1 formed by phenolic resin, owing to case hardness is low, so needing every year to change 6 times.It addition, in the comparative example 2 formed by aluminum, although higher than the case hardness of phenolic resin, but be also required to every year change 4 times, it addition, implement in the Ta Fulamu comparative example 3 processed on aluminum surfaces, it is also desirable to annual replacing 3 times.
On the other hand, it is known that: in the embodiment 1 forming the composite ceramics overlay film containing chromium oxide on surface and making hardness be Hv1200, it is not necessary to changing, durability is high, it is achieved long lifetime.Therefore, it is known that: if using the guide reel of the present embodiment 1 that the optical fiber advanced is guided, then optical fiber will not be made to damage, it is possible to guide well for a long time.
Claims (3)
1. a manufacture method for optical fiber, in the method, while the optical fiber making to be formed by resin-coating glass optical fiber is advanced, manufactures optical fiber,
It is characterized in that,
As being used for described optical fiber is applied the swing guide reel of torsion in the traveling process of described optical fiber, the Vickers hardness on the surface of use and the described optical fiber contact guide reel more than or equal to 1000.
2. the manufacture method of optical fiber according to claim 1, it is characterised in that
The main part of described guide reel is formed by metal material, described guide reel with the surface of described optical fiber contact on be formed with the composite ceramics overlay film containing chromium oxide.
3. the manufacture method of optical fiber according to claim 2, it is characterised in that
The thickness of described composite ceramics overlay film more than or equal to 30 μm less than or equal to 100 μm.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011167065A JP2013028513A (en) | 2011-07-29 | 2011-07-29 | Guide roller and method of manufacturing optical fiber |
| JP2011-167065 | 2011-07-29 | ||
| CN201210266974.5A CN102898043B (en) | 2011-07-29 | 2012-07-30 | The manufacture method of guide reel and optical fiber |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266974.5A Division CN102898043B (en) | 2011-07-29 | 2012-07-30 | The manufacture method of guide reel and optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105800961A true CN105800961A (en) | 2016-07-27 |
| CN105800961B CN105800961B (en) | 2018-10-02 |
Family
ID=47570570
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266974.5A Active CN102898043B (en) | 2011-07-29 | 2012-07-30 | The manufacture method of guide reel and optical fiber |
| CN201610090992.0A Active CN105800961B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
| CN201610091088.1A Active CN105800962B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210266974.5A Active CN102898043B (en) | 2011-07-29 | 2012-07-30 | The manufacture method of guide reel and optical fiber |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610091088.1A Active CN105800962B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013028513A (en) |
| CN (3) | CN102898043B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641061A (en) * | 2018-05-03 | 2018-10-12 | 中国建筑材料科学研究总院有限公司 | A kind of optical fiber pulling wheel and its drawing process |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6457203B2 (en) * | 2014-06-02 | 2019-01-23 | 高周波熱錬株式会社 | Winding device |
| JP6623541B2 (en) * | 2015-04-15 | 2019-12-25 | 住友電気工業株式会社 | Optical fiber manufacturing method |
| JP2019137599A (en) * | 2018-02-15 | 2019-08-22 | 住友電気工業株式会社 | Guide roller, and optical fiber wire drawing device |
| CN109504993A (en) * | 2018-12-29 | 2019-03-22 | 陕西北人印刷机械有限责任公司 | A kind of guide roller and its production method |
| US20230150870A1 (en) * | 2020-01-30 | 2023-05-18 | Sumitomo Electric Industries, Ltd. | Coating condition detection method, coating condition detection device, and optical fiber manufacturing method |
| JP7380410B2 (en) * | 2020-05-01 | 2023-11-15 | 住友電気工業株式会社 | Guide roller and optical fiber drawing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63146811U (en) * | 1987-03-18 | 1988-09-28 | ||
| CN1187276C (en) * | 1999-01-27 | 2005-02-02 | 住友电气工业株式会社 | Method and device for producing convered optical fiber and convered optical fiber |
| JP2005035799A (en) * | 2003-07-15 | 2005-02-10 | Sumitomo Electric Ind Ltd | Optical fiber production apparatus and optical fiber production method |
| JP2008208481A (en) * | 2007-02-26 | 2008-09-11 | Teijin Fibers Ltd | Apparatus and method for controlling surface of draw roller |
-
2011
- 2011-07-29 JP JP2011167065A patent/JP2013028513A/en active Pending
-
2012
- 2012-07-30 CN CN201210266974.5A patent/CN102898043B/en active Active
- 2012-07-30 CN CN201610090992.0A patent/CN105800961B/en active Active
- 2012-07-30 CN CN201610091088.1A patent/CN105800962B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63146811U (en) * | 1987-03-18 | 1988-09-28 | ||
| CN1187276C (en) * | 1999-01-27 | 2005-02-02 | 住友电气工业株式会社 | Method and device for producing convered optical fiber and convered optical fiber |
| JP2005035799A (en) * | 2003-07-15 | 2005-02-10 | Sumitomo Electric Ind Ltd | Optical fiber production apparatus and optical fiber production method |
| JP2008208481A (en) * | 2007-02-26 | 2008-09-11 | Teijin Fibers Ltd | Apparatus and method for controlling surface of draw roller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641061A (en) * | 2018-05-03 | 2018-10-12 | 中国建筑材料科学研究总院有限公司 | A kind of optical fiber pulling wheel and its drawing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102898043A (en) | 2013-01-30 |
| CN105800961B (en) | 2018-10-02 |
| CN102898043B (en) | 2016-03-09 |
| CN105800962A (en) | 2016-07-27 |
| CN105800962B (en) | 2018-10-02 |
| JP2013028513A (en) | 2013-02-07 |
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