CN102898043A - Guiding roller and method for manufacturing optical fiber - Google Patents
Guiding roller and method for manufacturing optical fiber Download PDFInfo
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- CN102898043A CN102898043A CN2012102669745A CN201210266974A CN102898043A CN 102898043 A CN102898043 A CN 102898043A CN 2012102669745 A CN2012102669745 A CN 2012102669745A CN 201210266974 A CN201210266974 A CN 201210266974A CN 102898043 A CN102898043 A CN 102898043A
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- optical fiber
- guide reel
- fiber
- guiding roller
- resin
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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
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- 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)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (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)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention provides a guiding roller and a method for manufacturing optical fibers. The guiding roller would not damage the optical fibers and can preferably guide the optical fibers for a long time. The guiding roller performs guidance on process of optical fibers (G2) formed by resin coated glass fibers (G1). Vickers hardness of a surface of the guiding roller contacting with the optical fibers (G2) is larger than or equal to 1000. The guiding roller is used as a right-lower roll (12) which is disposed right under a draw bench (21) and the guiding roller changes process directions of the optical fibers (G2).
Description
Technical field
The present invention relates to a kind of for advancing of optical fiber guided guide reel and the manufacture method of optical fiber.
Background technology
The optical fiber that is formed by the resin-coated glass optical fiber, the painted operation behind wire-drawing process, wire-drawing process or again be wound in the again coiling operation etc. of other bobbins etc. is guided and is carried by guide reel.
Current, the optical fiber that is obtained by the fibre parent material wire drawing is rotated on the surface of guide reel, alternately apply clockwise reversing and counterclockwise reversing, for the situation with orbicular concentric circles suppresses polarization dispersion equivalently, and guide reel is swung.The guide reel of known this swing is formed by aluminium, and the material of guide roller surface is carbamate resinoid, acrylic resin, aluminium, resol (for example, with reference to patent documentation 1).
In addition, also known: implement the processing of coating or ceramic layer at the face that contacts with optical fiber, make condition of surface satisfy the condition of arithmetic average roughness Ra＜=0.5 μ m, maximum height Ry＜=2.7 μ m and 10 mean roughness Rz＜=1.4 μ m, make the coating material surface of optical fiber can not produce concavo-convex and damage (for example, with reference to patent documentation 2).
Patent documentation 1: Japanese kokai publication hei 8-295528 communique
Patent documentation 2: TOHKEMY 2005-35799 communique
Summary of the invention
Guide reel as optical fiber, use before this easily processing, cheap and lightweight phenolic resin material (paper resol), but because phenolic resin material is very soft, even so stipulated surfaceness, also such as because adhering to or run into sheet glass of the optical fiber behind the broken string etc., and in use make surface abrasion or damage.Optical fiber for the guide reel guiding that damage is arranged by the surface might make surface irregularity or the damage of its crust, in addition, also may produce the glass optical fiber that consists of optical fiber and the delamination that the boundary surface between the crust is peeled off.In addition, in the situation of the inspection unitss such as protuberance (concavo-convex) detector that in the traveling process that uses at optical fiber the optical fiber shape scanned, sometimes at the front and back of this inspection units configuration guide reel optical fiber is advanced, if but the surface abrasion of guide reel or damage, then between guide reel, make optical fiber produce string pendulum moving, might can't check well.
The object of the invention is to, the manufacture method of a kind of guide reel and optical fiber is provided, this guide reel can not damage optical fiber, can guide well for a long time optical fiber.
Can solve the guide reel of the present invention of above-mentioned problem, the advancing of optical fiber that is formed by the resin-coated glass optical fiber guided,
It is characterized in that,
The Vickers' hardness on the surface that described guide reel contacts with described optical fiber is more than or equal to 1000.
The main part of preferred guide reel of the present invention is formed by metallic substance, is formed with the composite ceramics overlay film that contains chromic oxide on the surface that contacts with described optical fiber of described guide reel.In addition, the thickness of preferred described composite ceramics overlay film is less than or equal to 100 μ m more than or equal to 30 μ m.
In the manufacture method of optical fiber of the present invention, resin-coated on the glass optical fiber that the base glass material wire drawing in the fiber drawing furnace is formed, thus obtain optical fiber,
It is characterized in that,
As be arranged at described fiber drawing furnace under and be used 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 optical fiber of the present invention, when the optical fiber that is formed by the resin-coated glass optical fiber is advanced, make optical fiber,
It is characterized in that,
The upstream side of the inspection units that in the traveling process of described optical fiber shape is checked and downstream side arrange respectively the guide reel of the invention described above, and advancing of described optical fiber guided.
The effect of invention
According to guide reel of the present invention, because the Vickers' hardness on the surface that contacts with optical fiber is more than or equal to 1000, so the excelling in abrasion resistance on surface.Therefore, can suppress following undesirable condition, that is, and such as owing to adhering to or run into the sheet glass etc. of the optical fiber behind the broken string and in use make surface abrasion or damage.Therefore, can owing to the damage on the surface of guide reel so that the crust of the optical fiber in advancing is coarse or damage, in addition, can not produce the delamination that the boundary surface between glass optical fiber and the crust is peeled off yet.Therefore, can not make the optical fiber damage, can guide well.
In addition, manufacture method according to the optical fiber of the present invention that uses above-mentioned guide reel, can make the high-quality optical fiber of the undesirable conditions such as not damage, especially, since be arranged on fiber drawing furnace under positive lower roll be the roller that under the soft state of coating layer after the wire drawing, touches at first, and apply the larger reasons such as tension force, so if use this guide reel as positive lower roll, then its effect is remarkable.
And, manufacture method according to optical fiber of the present invention, owing to can not making the guide reel wearing and tearing make surperficial roughen, so front and back at the inspection units that the optical fiber shape is checked, can not make optical fiber carry out under the moving state of string pendulum it being guided, can utilize inspection units to carry out high-precision shape inspection, thereby make high-quality optical fiber.
Description of drawings
Fig. 1 is the summary construction diagram of an example that expression has the fiber manufacturing device of guide reel involved in the present invention.
Fig. 2 is the front view of guide reel of an example of expression guide reel shape.
Embodiment
Below, the guide reel related to embodiments of the present invention (hereinafter referred to as " high surface hardness roller ") and utilize the example of embodiment of the methods for optical fiber manufacture of the fiber manufacturing device with high surface hardness roller to describe.
As shown in Figure 1, have the fiber manufacturing device 1 of the related guide reel of embodiments of the present invention, at its upstream side, have the fiber drawing furnace 21 that glass base material for optical fiber G is heated.Fiber drawing furnace 21 has the stove core barrel 3 cylindraceous of supplying with to the inside base glass material G and the heating element 4 that centers on this stove core barrel 3, and forms the heating region that base glass material G is softened by heating element 4.In addition, in fiber drawing furnace 21, be provided with gas supply part 5 from cleaning gas to heating region that supply with.
Grip the top of base glass material G by supply unit 6, so that the end portion of base glass material G is positioned at the mode of the heating region of stove core barrel 3 inboards, to fiber drawing furnace 21 interior conveyings, and base glass material G stretched downwards and attenuate, form optical fiber (hereinafter referred to as the glass optical fiber) G1 before the resin-coated.
(downstream side) is provided with the refrigerating unit 7 that uses the cooling gases such as helium below fiber drawing furnace 21, thus glass optical fiber G1 cooled off, and for example utilizes the measuring outside diameter device 8 of laser type that its external diameter is measured.The external diameter of glass optical fiber G1 for example is 125 μ m.
Downstream side at external diameter tester 8 is disposed with: mold 9, and it is to the upper uv-hardening resin that applies of glass optical fiber G1; And UV irradiation equipment 10, it is used for making the uv-hardening resin sclerosis of coating.For the glass optical fiber G1 by this mold 9 and UV irradiation equipment 10, form the coating layer of uv-hardening resin in its periphery, become optical fiber G2.As uv-hardening resin, for example use polyurethane acrylate resin.The external diameter of optical fiber G2 for example is 250 μ m.
At optical fiber G2 by after the UV irradiation equipment 10, hang over be arranged at fiber drawing furnace 21 under guide reel, be on the positive lower roll 12, change direct of travels by this positive lower roll 12.And, utilize 11 pairs of coating layers that changed the optical fiber G2 of direct of travel by this positive lower roll 12 of inspection units to monitor.This inspection units 11 is the detectors such as air-foam detector, measuring outside diameter device or protuberance (concavo-convex) detector, that mode (for example laser type) with optics detects on the external diameter that has or not bubble, coating layer in the coating layer of optical fiber G2 or the coating layer and has or not protuberance (concavo-convex), and the opticinstrument that the generation of undesirable condition is monitored.
Be provided with guide reel 13 in the downstream side of this inspection units 11, the advancing of optical fiber G2 that is checked by inspection units 11 guides by positive lower roll 12 and guide reel 13.
After this optical fiber G2 that has passed through guide reel 13 is pulled by capstan roller 14, is sent to coiling bobbin 18 and reels via screening plant 15 and dancer roll 16,17.
In above-mentioned manufacturing installation 1, as be arranged on fiber drawing furnace 21 under positive lower roll 12 and the guide reel 13 that the optical fiber G2 in the inspection units 11 is guided with positive lower roll 12, use the high surface hardness roller.In addition, in above-mentioned manufacturing installation 1, positive lower roll 12 works to the guide reel that advancing of optical fiber G2 guides as the upstream side at inspection units 11, but also can replace this example, be independent of the positive lower roll 12 for the direct of travel of change optical fiber G2, be arranged on the guide reel that the upstream side of inspection units 11 guides advancing of optical fiber G2.In addition, in the case, preferred positive lower roll 12 and be configured in respectively the upstream side of inspection units 11 and the guide reel in downstream side all uses the high surface hardness roller.
In addition, inspection units 11 also can not be arranged on above-mentioned position.In addition, inspection units 11 also can not be arranged on as above-mentioned manufacturing installation 1 and carry out in the device of wire drawing, and be configured in the operation after the wire-drawing process color applicator or again in the wind2.No matter in which kind of device, all preferred as being configured in the upstream side of inspection units 11 and the guide reel in downstream side, use the high surface hardness roller.
The positive lower roll 12 and the guide reel 13 that form as the high surface hardness roller, its main part is such as being formed by metallic substance such as aluminium.In addition, positive lower roll 12 and guide reel 13 have as shown in Figure 2 towards the recessed V-shaped groove 33 of its turning axle.And the paddy section 34 of the V-shaped groove 33 of positive lower roll 12 and guide reel 13 becomes the cylindrical shape that forms barrel surface along turning axle.Thus, the surface of the paddy section 34 of V-shaped groove 33 forms the face parallel with turning axle.In addition, this V-shaped groove 33 has the tapered portion 35 that diameter increases to both sides gradually from paddy section 34.
Positive lower roll 12 and guide reel 13 are formed with and contain chromic oxide (Cr on the surface of the V-shaped groove 33 that contacts with optical fiber G2 that comprises paddy section 34 and tapered portion 35
2O
3) the composite ceramics overlay film.Thus, the Vickers' hardness on the surface that contacts with optical fiber G2 of this high surface hardness roller is more than or equal to 1000.But, because that the Vickers' hardness such as diamond (Hv5000～10000) surpasses 5000 material price is very expensive, so the expectation Vickers' hardness is less than or equal to 5000.
This composite ceramics overlay film utilizes chemical reaction and forms, and has feature, wearability and the excellent corrosion resistances such as high-density, high rigidity overlay film, high adhesive force, low-friction coefficient.Specifically, this composite ceramics overlay film is to be that the thickness that the chromic oxide class composite precision fine ceramics of about 2 μ m consists of is 30 μ m～100 μ m(standard thicknesses, 50 μ m by median size) overlay film of degree, comparing with the chromium plating film of hard, is to utilize special ceramics with the strengthened complex function overlay film of small be full of cracks packing.And, for this composite ceramics overlay film, because the chromic oxide that wherein comprises is the ultrafine particle of about 2 μ m, so when keeping high rigidity, also have high lubricant effect, also have the effect that suppresses the slipper heating.In addition, this composite ceramics overlay film also has high corrosion resistance for nearly all solvent except having high rigidity.This composite ceramics overlay film is also called the CDC-ZAC(registered trademark) coating.
Below, the method for making optical fiber G2 is described.
At first, base glass material G is thrown in fiber drawing furnace 21, by heating element 4 heating and stretching downwards, with for example about about 1600m/ minute linear speed, draw out the glass optical fiber G1 that attenuates.
On the periphery of the glass optical fiber G1 after the drawing, apply uv-hardening resin by mold 9, then utilize 10 pairs of uv-hardening resins of UV irradiation equipment to carry out uviolizing, make its sclerosis, obtain being coated with the optical fiber G2 of resin.
The direct of travel that is coated with the optical fiber G2 of resin changes by positive lower roll 12, and is guided to inspection units 11.Make optical fiber G2 by inspection units 11, thereby utilize this inspection units 11, in the mode of optics to having or not protuberance etc. to carry out the shape inspection on the external diameter that has or not bubble, coating layer in the coating layer or the coating layer.
The optical fiber G2 that has carried out after shape checks is guided to capstan roller 14 by guide reel 13.And this optical fiber G2 is pulled and is applied in the tension force of regulation by capstan roller 14, is delivered to coiling bobbin 18 and reels via screening plant 15 and dancer roll 16,17.
In the present embodiment, as be arranged on fiber drawing furnace 21 under positive lower roll 12 and the guide reel 13 that the optical fiber G2 in the inspection units 11 is guided with positive lower roll 12, the surperficial Vickers' hardness of using V-shaped groove 33 is more than or equal to 1000 high surface hardness roller, wherein, this V-shaped groove 33 comprises paddy section 34 and the tapered portion 35 that contacts with optical fiber G2.For the high surface hardness roller with this surface hardness, its surperficial wearability is higher, can suppress following undesirable condition, that is, and and such as owing to adhering to or run into the sheet glass etc. of the optical fiber G2 behind the broken string and in use make surface abrasion or damage.Therefore, can so that the crust of the optical fiber G2 in advancing is coarse or damage, in addition, can not produce the delamination that the boundary surface between glass optical fiber G1 and the crust is peeled off owing to the damage on the surface of positive lower roll 12 and guide reel 13 yet.Therefore, can be for a long time guiding fiber G2 well.
Especially, the direction of the optical fiber G2 that goes out from fiber drawing furnace 21 wire drawings is changed and to the positive lower roll 12 of capstan roller 14 sides guiding, owing to being the roller that under the soft state of coating layer after the wire drawing, touches at first, and owing to the pulling tension force of capstan roller 14 optical fiber G2 is applied the larger reasons such as tension force, thereby so that optical fiber G2 easily be damaged.Therefore, especially, use the high surface hardness roller as this positive lower roll 12, suppress wearing and tearing and the damage on surface, thereby can suppress as far as possible the damage to optical fiber G2.
In addition, on positive lower roll 12 and guide reel 13 that the optical fiber G2 in the inspection units 11 is guided, if it is moving that string pendulum occurs, then generation detects bad because of depart from caused error-detecting from the inspection area of inspection units 11 and not detecting etc., thereby can't detect accurately, but because these rollers have adopted the high surface hardness roller, thus wearing and tearing and the damage on surface can be suppressed, and it is moving to suppress string pendulum.Thus, in inspection units 11, the string pendulum that can suppress optical fiber G2 is moving, accuracy of detection can be maintained good state.
In addition, for the high surface hardness roller as positive lower roll 12 and guide reel 13 uses, contain the composite ceramics overlay film of chromic oxide by forming on its surface, thereby utilize its lubricant effect that optical fiber G2 is slided in tapered portion 35, and successfully guide at paddy section 34 places of central authorities.Thus, can suppress to utilize inspection units 11 to carry out high-precision SHAPE DETECTION because the optical fiber G2 that advances is moving to the caused string pendulum of tapered portion 35 side shiftings.
In addition, in the above-described embodiment, in the wire-drawing process as one of manufacturing process of optical fiber, used the high surface hardness roller, the painted operation that coats or will be wound in the again coiling operation etc. that optical fiber on the bobbin is wound to other bobbins again but this high surface hardness roller also can be used in the uv-hardening resin that colored coating is used on the optical fiber that is coated with resin.
[embodiment]
(1) endurance test
Make the material multiple guide reel different with surface treatment, by these guide reels the optical fiber of advancing is guided, measure the replacing frequency of guide reel.In addition, with the surperficial roughen of guide reel and may make the optical fiber damage time, as the benchmark of changing.
(2) test materials
(Comparative Examples 1)
Material: resol
Surface treatment: nothing
Surface hardness: HRR122
(Comparative Examples 2)
Material: aluminium
Surface treatment: nothing
Surface hardness: Hv50～Hv130
(Comparative Examples 3)
Material: aluminium
Surface treatment: Ta Fulamu (registered trademark) processes
Surface hardness: Hv400
(embodiment 1)
Material: aluminium
Surface treatment: the composite ceramics overlay film that contains chromic oxide
Surface hardness: Hv1200
In addition, the R level of the surface hardness of the guide reel of Comparative Examples 1 " HRR " expression Rockwell hardness (HR) is to utilize the pressure of 600kgf the iron ball of diameter 12.7mm to be pressed and the hardness measured.In addition, Comparative Examples 2,3 and surface hardness " Hv " the expression Vickers' hardness of the guide reel of embodiment 1 is that the diamond of rectangular pyramid is pressed, the hardness that calculates according to the area that stays.
In addition, the Ta Fulamu of Comparative Examples 3 processing is the surface treatment that forms the overlay film that is combined by hardening oxidation aluminium and fluoro-resin.
(3) test-results
The replacing frequency of each guide reel is as follows.
Comparative Examples 1:6 times/year
Comparative Examples 2:4 times/year
Comparative Examples 3:3 times/year
Embodiment 1:0 times/year
As noted above, in the Comparative Examples 1 that is formed by resol, because surface hardness is low, so annual need to the replacing 6 times.In addition, in the Comparative Examples 2 that is formed by aluminium, although higher than the surface hardness of resol, also need every year to change 4 times, in addition, implemented also to need annual the replacing 3 times in the Comparative Examples 3 of Ta Fulamu processing on the aluminium surface.
Relative therewith, as can be known: containing the composite ceramics overlay film of chromic oxide and make hardness in surface formation is among the embodiment 1 of Hv1200, does not need to change, and weather resistance is high, realizes long lifetime.Therefore, as can be known: if use the guide reel of the present embodiment 1 that the optical fiber of advancing is guided, then can not make the optical fiber damage, can guide well for a long time.
Claims (5)
1. guide reel, it guides the advancing of optical fiber that is formed by the resin-coated glass optical fiber,
It is characterized in that,
The Vickers' hardness on the surface that described guide reel contacts with described optical fiber is more than or equal to 1000.
2. guide reel according to claim 1 is characterized in that,
The main part of described guide reel is formed by metallic substance, is formed with the composite ceramics overlay film that contains chromic oxide on the surface that contacts with described optical fiber of described guide reel.
3. guide reel according to claim 2 is characterized in that,
The thickness of described composite ceramics overlay film is less than or equal to 100 μ m more than or equal to 30 μ m.
4. the manufacture method of an optical fiber is resin-coated on the glass optical fiber that the base glass material wire drawing in the fiber drawing furnace is formed in the method, thereby obtains optical fiber,
It is characterized in that,
As be arranged at described fiber drawing furnace under and be used for changing the positive lower roll of the direct of travel of described optical fiber, right to use requires each described guide reel in 1 to 3.
5. the manufacture method of an optical fiber in the method, when the optical fiber that is formed by the resin-coated glass optical fiber is advanced, is made optical fiber,
It is characterized in that,
The upstream side of the inspection units that in the traveling process of described optical fiber shape is checked and downstream side arrange respectively each described guide reel in the claims 1 to 3, and advancing of described optical fiber guided.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091088.1A CN105800962B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
| CN201610090992.0A CN105800961B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
Applications Claiming Priority (2)
| 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 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610091088.1A Division CN105800962B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
| CN201610090992.0A Division CN105800961B (en) | 2011-07-29 | 2012-07-30 | The manufacturing method of guide reel and optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102898043A true CN102898043A (en) | 2013-01-30 |
| CN102898043B CN102898043B (en) | 2016-03-09 |
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| 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 |
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| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113582535A (en) * | 2020-05-01 | 2021-11-02 | 住友电气工业株式会社 | Guide roller and optical fiber drawing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108641061B (en) * | 2018-05-03 | 2021-02-26 | 中国建筑材料科学研究总院有限公司 | Optical fiber wire drawing wheel and wire drawing method thereof |
| WO2021153765A1 (en) * | 2020-01-30 | 2021-08-05 | 住友電気工業株式会社 | Coating condition detection method, coating condition detection device, and optical fiber manufacturing method |
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| JPH0749452Y2 (en) * | 1987-03-18 | 1995-11-13 | 光洋精工株式会社 | Wire guide roller |
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- 2011-07-29 JP JP2011167065A patent/JP2013028513A/en active Pending
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- 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
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| US6519404B1 (en) * | 1999-01-27 | 2003-02-11 | Sumitomo Electric Industries, Ltd. | Method and apparatus for fabricating coated optical fiber, and coated optical fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| WO2020135866A1 (en) * | 2018-12-29 | 2020-07-02 | 陕西北人印刷机械有限责任公司 | Guide roller and production method thereof |
| CN113582535A (en) * | 2020-05-01 | 2021-11-02 | 住友电气工业株式会社 | Guide roller and optical fiber drawing device |
| CN113582535B (en) * | 2020-05-01 | 2024-03-29 | 住友电气工业株式会社 | Guiding roller and optical fiber drawing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105800962A (en) | 2016-07-27 |
| CN105800961B (en) | 2018-10-02 |
| CN102898043B (en) | 2016-03-09 |
| CN105800961A (en) | 2016-07-27 |
| JP2013028513A (en) | 2013-02-07 |
| CN105800962B (en) | 2018-10-02 |
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