CN109739002A - Central tube type optical cable and preparation method thereof - Google Patents
Central tube type optical cable and preparation method thereof Download PDFInfo
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- CN109739002A CN109739002A CN201910196255.2A CN201910196255A CN109739002A CN 109739002 A CN109739002 A CN 109739002A CN 201910196255 A CN201910196255 A CN 201910196255A CN 109739002 A CN109739002 A CN 109739002A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 80
- 239000013307 optical fiber Substances 0.000 claims abstract description 37
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 15
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 12
- 150000002367 halogens Chemical class 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 5
- 150000002843 nonmetals Chemical class 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 6
- 238000012856 packing Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004417 polycarbonate Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Abstract
The invention discloses a kind of central tube type optical cables comprising at least one subelement, non-metal reinforced layer layer and low smoke and zero halogen oversheath including aramid fiber or glass fibre.Subelement includes PC Loose tube, the fiber optic bundle in PC Loose tube；It is partially fill in the fiber paste in the gap between PC Loose tube and optical fiber；And TPE inner sheath.Above-mentioned central tube type optical cable, using PC Loose tube, contraction is small, and flexibility and bending property are superior；TPE inner sheath is used simultaneously, it is tearable, make optical cable that there is good stripping.There are also low smoke and zero halogen oversheaths, and contraction is small, not easy to crack, and low smoke and zero halogen burning point is higher, more flame-proof environmental protection；Fiber paste is partially filled with, i.e., non-full packing, and long term fiber paste when can effectively reduce the vertical run in building due to gravity, which flows down, pollutes connector box.It uses all-medium structure, and optical cable is light-weight, tension, insulation.The invention also discloses the preparation methods of above-mentioned central tube type optical cable.
Description
Technical field
The present invention relates to optical cable technology fields, more particularly to a kind of central tube type optical cable central tube type optical cable and its preparation
Method.
Background technique
With the fast development of FTTX, data service is exponentially increased situation, the multimedia messages such as voice, data and image
It is both needed to optical cable transmission, indoor and outdoor optical cable needs bigger network capacity and broader bandwidth and smaller size existing to meet
The laying of resource.
In the application environment that outdoor is different with interior, the requirement to optical cable is different.Outdoor optical cable require compared with
High mechanical property, such as tension, resistance to compression etc.；Another waterproof performance also has higher requirement.And traditionally outdoor optical cable, it is soft
Performance is poor, also poor to fire-retardant and few cigarette characteristic, so being not suitable for indoor use.Inside cable traditionally is being pursued
While flexibility, it is also desirable to higher flame retardant property, but its general mechanical performance is poor, and block-water performance is poor, therefore is not suitable for
It is laid in outdoor.
Therefore, it is badly in need of optical cable that is a kind of while being applicable in indoor and outdoor environment.
Summary of the invention
Based on this, it is necessary to provide a kind of new central tube type optical cable.
A kind of central tube type optical cable, comprising:
At least one subelement；
Non-metal reinforced layer is overlying on outside the subelement；The non-metal reinforced layer includes aramid fiber or glass fibre；
And oversheath, it is located at outside the non-metal reinforced layer；The oversheath is low smoke and zero halogen sheath；
The subelement includes:
PC Loose tube；
Fiber optic bundle is located in the PC Loose tube；The fiber optic bundle is formed by several optical fiber bunch；
Fiber paste is partially fill in the gap between the PC Loose tube and the optical fiber；
And inner sheath, it is located at outside the PC Loose tube；The inner sheath is TPE inner sheath.
Above-mentioned central tube type optical cable, using PC (polycarbonate) Loose tube, contraction is small, and flexibility and bending property are excellent
More；Inner sheath uses TPE inner sheath simultaneously, tearable, and optical cable is made to have good stripping.There are also oversheath be low cigarette without
Halogen sheath, contraction is small, not easy to crack, and low smoke and zero halogen burning point is higher, and the toxic gas for generation of burning is seldom, more fire-retardant
Environmental protection.
Above-mentioned central tube type optical cable, fiber paste are partially filled with, i.e., non-full packing, when can effectively reduce the vertical run in building
The influence of connector box influence transmission performance is polluted since the long term fiber paste of gravity flows down.
Above-mentioned central tube type optical cable uses all-medium structure, and optical cable is light-weight, tension, insulation.
Optionally, the outer diameter of the PC Loose tube is 1.35mm~1.4mm, and wall thickness is 0.2mm -0.3mm.
Optionally, the outer diameter of the inner sheath is 2.2mm-2.3mm, wall thickness 0.15mm-0.25mm.
Optionally, the viscosity of the fiber paste be 1000~5000mpa.s (25 DEG C, D=50S-1)。
Optionally, the subelement is four.
Optionally, the central tube type optical cable further includes center reinforcemen, and 4 subelements are reinforced around the center
Part setting.
Optionally, the central tube type optical cable further includes the tearing between the oversheath and the inner sheath
Rope.
Optionally, the central tube type optical cable further includes water blocking yarn.
The present invention also provides the preparation methods of above-mentioned central tube type optical cable.
A kind of preparation method of central tube type optical cable, includes the following steps:
Fiber optic bundle line is formed into fiber optic bundle；
Fiber paste is filled to the fiber optic bundle；
To filling fiber paste fiber optic bundle outside by PC Loose tube；
Inner sheath, non-metal reinforced layer and oversheath are formed outside the Loose tube.
The preparation method of above-mentioned central tube type optical cable first fills fiber paste to fiber optic bundle, then outer by PC Loose tube, to make
The non-full packing of fiber paste, fiber paste are located between optical fiber mostly, and fiber paste is attached on optical fiber mostly, and fiber paste is not easy to flow, and can effectively subtract
The influence of connector box influence transmission performance is polluted since the long term fiber paste of gravity flows down when vertical run in the building little.
Optionally, the PC Loose tube is formed by extrusion molding.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the central tube type optical cable of one embodiment of the invention.
Fig. 2 is the schematic cross-section of the central tube type optical cable of another embodiment of the present invention.
Fig. 3 is the schematic cross-section of the central tube type optical cable of another embodiment of the present invention.
Fig. 4 prepares flowing water line chart for center tube cable.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right below in conjunction with specific embodiment
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
It is not intended to limit the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1-3, the central tube type optical cable of one embodiment of the invention, including at least one subelement are nonmetallic to add
Strong layer 4 and oversheath 6.Non-metal reinforced layer 4 is overlying on outside subelement；Non-metal reinforced layer 4 includes aramid fiber or glass fibers
Dimension.Oversheath 6 is located at outside non-metal reinforced layer 4；Oversheath 6 is low smoke and zero halogen sheath.Wherein, subelement include PC Loose tube 2,
Fiber optic bundle, fiber paste and inner sheath 3.Fiber optic bundle is formed by several 1 bunch of optical fiber, and fiber optic bundle is located in PC Loose tube 2, fiber paste
It is partially fill in the gap between PC Loose tube 2 and optical fiber 1；Inner sheath 3 is located at outside PC Loose tube 2；Inner sheath 3 is shield in TPE
Set.
Wherein, optical fiber 1 is the core component of central tube type optical cable.Preferably, optical fiber 1 is silica fibre.Of course, it is possible to manage
Solution, optical fiber 1 are not limited to silica fibre, can also be other optical fiber.
It should be noted that 1 density of optical fiber of the invention is high, the core number of optical fiber 1 can cover 1-32 core.In the structure of optical cable
Aspect may include a subelement, i.e., all optical fiber 1 (structure of example as shown in figure 1) in a PC Loose tube 2；Or contain
There are several subelements, the grouping of optical fiber 1 is located in different PC Loose tubes 2 (such as structure in Fig. 2 or Fig. 3).
Wherein, the main function of PC Loose tube 2 is to protect optical fiber 1.Optical fiber 1 is located in PC Loose tube 2 namely PC pine set
2 sets of pipe outside optical fiber 1.In the present embodiment, the radical of the optical fiber 1 in PC Loose tube 2 is 8.It is, of course, also possible to be other
Number.
In the present invention, using PC Loose tube, such Loose tube shrinks small, flexibility and bending property, wearability, resistance to punching
Hit, temperature stability can be superior.
Optionally, the outer diameter of PC Loose tube 2 is 1.35mm~1.4mm, and wall thickness is 0.2mm -0.3mm.It can guarantee in this way
Cable outer diameter and integrally-built close, and can make optical cable that there is preferable stripping.Further, fiber unit accounts for
Sky is than being 86.8%.
Wherein, the main function of fiber paste is fixed optical fiber 1.Fiber paste is partially fill between PC Loose tube 3 and optical fiber 1
Gap；It is filled between the optical fiber 1 of fiber optic bundle that is, optical fiber 1 is most of, that is, micro- filling.Interior is made in this way
With environment, the micro- filling of fiber paste is compared with traditional fiber paste full packing, due to gravity when can effectively reduce the vertical run in building
Long term fiber paste flow down pollution connector box influence transmission performance influence.
Preferably, fiber paste is low viscosity ointment.It is highly preferred that the viscosity of fiber paste be 1000~5000mpa.s (25 DEG C, D=
50S-1).It is preferably in this way to be partially filled with, it helps fiber paste is filled in the gap between optical fiber.
In other embodiments, fiber paste is that thixotropy blocks water fiber paste.It can be further improved the waterproof performance of optical cable in this way.
In the present invention, inner sheath 3 is TPE inner sheath.Subelement can be made more tearable in this way, there is good stripping
Property.In addition, TPE inner sheath and PC Loose tube 2 are arranged in pairs or groups, covering property is good, bonding is secured, cable configuration tightness is high, soft more preferable,
And indoor and outdoor is suitble to use.
Optionally, the outer diameter of the inner sheath is 2.2mm-2.3mm, wall thickness 0.15mm-0.25mm.It may not need in this way
Separation can be realized by any tool, stripping is more preferable.
In the present invention, non-metal reinforced layer 4 is overlying on outside subelement；Non-metal reinforced layer 4 includes aramid fiber or glass
Fiber.Optical cable is light-weight in this way, tension, insulation.
Optionally, using waterproofing type aramid fiber or glass fibre, under the action of reinforcement outside shield in this way within meeting, simultaneously
Realization blocks water.It can reach optical cable water-blocking performance requirement in this way, 1m high water column can be met, for 24 hours, optical cable creepage distance is less than 1 meter.
Optionally, central tube type optical cable further includes water blocking yarn.That is, the outer reinforcement structure of interior shield is aramid fiber or glass
Glass fiber+water blocking yarn structure.Optical cable water-blocking performance requirement can also be reached in this way, 1m high water column can be met, for 24 hours, optical cable infiltration
Distance is less than 1 meter.
Optionally, central tube type optical cable further includes the tear rope 5 between oversheath 6 and inner sheath 3.
Wherein, oversheath 6 is located at the outermost layer of central tube type optical cable, and oversheath 6 of the invention uses low smoke and zero halogen sheath,
And contraction not easy to crack in outdoor application is small, and low smoke and zero halogen burning point is higher, and the toxic gas for generation of burning is seldom, more hinders
Combustion environmental protection.
Optionally, the outer diameter scope of design of optical cable is 5.4mm -5.6mm, and wall thickness scope of design is 1.1mm -1.2mm, single
Position weight only has 25kg/km (8 core), and bending radius is registered one's residence in 5D hereinafter, being conducive to optical cable, can effectively avoid optical cable from making
The optical performance issues caused by inflection point at corner in the process.
Referring to fig. 2, Fig. 2 is the cable configuration schematic diagram of another structure.In Fig. 2, the number of subelement is four.Four
Subelement is uniformly arranged around the center of optical cable；There are 8 optical fiber in four subelements, is total up to 32 optical fiber.
It is the cable configuration schematic diagram of another structure referring to Fig. 3, Fig. 3.In Fig. 3, similarly, the number of subelement is
Four.Four subelements are uniformly arranged around the center of optical cable；There are 8 optical fiber in four subelements, is total up to 32 optical fiber.Figure
3 unlike Fig. 2, is provided centrally with center reinforcemen 7 namely 4 subelements around described in four subelements
Center reinforcemen setting.It can be further improved the reliability of optical fiber in this way.
Above-mentioned central tube type optical cable, using PC (polycarbonate) Loose tube, contraction is small, and flexibility and bending property are excellent
More；Inner sheath uses TPE inner sheath simultaneously, tearable, and optical cable is made to have good stripping.There are also oversheath be low cigarette without
Halogen sheath, contraction is small, not easy to crack, and low smoke and zero halogen burning point is higher, and the toxic gas for generation of burning is seldom, more fire-retardant
Environmental protection.
Above-mentioned central tube type optical cable, fiber paste are partially filled with, i.e., non-full packing, when can effectively reduce the vertical run in building
The influence of connector box influence transmission performance is polluted since the long term fiber paste of gravity flows down.
Above-mentioned central tube type optical cable uses all-medium structure, and optical cable is light-weight, tension, insulation.
Above-mentioned central tube type optical cable has the features such as apparent lightning protection effect, high fire-retardance, easy stripping, UV resistant, optical cable
Heatproof requires to reach -40 DEG C -+80 DEG C, meets the machinery and environmental performance that indoor and outdoor optical cable uses.
The present invention also provides the preparation methods of above-mentioned central tube type optical cable.
A kind of preparation method of central tube type optical cable, includes the following steps:
Fiber optic bundle line is formed into fiber optic bundle；
Fiber paste is filled to the fiber optic bundle；
To filling fiber paste fiber optic bundle outside by PC Loose tube；
Inner sheath, non-metal reinforced layer and oversheath are formed outside the Loose tube.
The following detailed description of the forming process of the subelement of central tube type optical cable.
Referring to fig. 4, optical fiber first passes through pay-off equipment 11, and then optical fiber enters bunch equipment 12, after bunch equipment, if
Dry root optical fiber is in fiber optic bundle by beam；Then fiber optic bundle enters the micro- filling equipment 13 of fiber paste, in the top of the micro- filling equipment 13 of fiber paste
Equipped with fiber paste feeding device, fiber paste is provided for the micro- filling equipment 13 of fiber paste.The fiber paste for flowing into the micro- filling equipment 13 of fiber paste, is filled out
It fills between the optical fiber of fiber optic bundle and the outer surface of fiber optic bundle.Micro- filled fiber optic bundle enters extrusion apparatus 15 and mould
Tool 16, by PC Loose tube in this way outside fiber optic bundle.That is PC Loose tube is formed by extrusion molding.It is, of course, understood that
Extrusion molding is not limited to be formed.Finally, passing through 17 take-up of take-up.
The preparation method of above-mentioned central tube type optical cable first fills fiber paste to fiber optic bundle, then outer by PC Loose tube, to make
The non-full packing of fiber paste, fiber paste are located between optical fiber mostly, and fiber paste is attached on optical fiber mostly, and fiber paste is not easy to flow, and can effectively subtract
The influence of connector box influence transmission performance is polluted since the long term fiber paste of gravity flows down when vertical run in the building little.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of central tube type optical cable characterized by comprising
At least one subelement；
Non-metal reinforced layer is overlying on outside the subelement；The non-metal reinforced layer includes aramid fiber or glass fibre；
And oversheath, it is located at outside the non-metal reinforced layer；The oversheath is low smoke and zero halogen sheath；
The subelement includes:
PC Loose tube；
Fiber optic bundle is located in the PC Loose tube；The fiber optic bundle is formed by several optical fiber bunch；
Fiber paste is partially fill in the gap between the PC Loose tube and the optical fiber；
And inner sheath, it is located at outside the PC Loose tube；The inner sheath is TPE inner sheath.
2. central tube type optical cable according to claim 1, which is characterized in that the outer diameter of the PC Loose tube be 1.35mm~
1.4mm, wall thickness are 0.2mm -0.3mm.
3. central tube type optical cable according to claim 1, which is characterized in that the outer diameter of the inner sheath is 2.2mm-
2.3mm, wall thickness 0.15mm-0.25mm.
4. central tube type optical cable according to claim 1, which is characterized in that the viscosity of the fiber paste be 1000~
5000mpa.s (25 DEG C, D=50S-1)。
5. central tube type optical cable according to claim 1, which is characterized in that the subelement is four.
6. central tube type optical cable according to claim 5, which is characterized in that the central tube type optical cable further includes that center adds
Strong part, 4 subelements are arranged around the center reinforcemen.
7. central tube type optical cable according to claim 1, which is characterized in that the central tube type optical cable further includes being located at institute
State the tear rope between oversheath and the inner sheath.
8. central tube type optical cable according to claim 1, which is characterized in that the central tube type optical cable further includes blocking water
Yarn.
9. a kind of preparation method of central tube type optical cable described in claim 1, which comprises the steps of:
Fiber optic bundle line is formed into fiber optic bundle；
Fiber paste is filled to the fiber optic bundle；
To filling fiber paste fiber optic bundle outside by PC Loose tube；
Inner sheath, non-metal reinforced layer and oversheath are formed outside the Loose tube.
10. the preparation method of central tube type optical cable according to claim 9, which is characterized in that the PC Loose tube passes through
Extrusion molding is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910196255.2A CN109739002A (en) | 2019-03-15 | 2019-03-15 | Central tube type optical cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910196255.2A CN109739002A (en) | 2019-03-15 | 2019-03-15 | Central tube type optical cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN109739002A true CN109739002A (en) | 2019-05-10 |
Family
ID=66370478
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609371A (en) * | 2019-08-23 | 2019-12-24 | 厉高成 | Anti-drawing optical fiber, manufacturing method thereof and signal transmission system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424829A (en) * | 2013-07-26 | 2013-12-04 | 成都亨通光通信有限公司 | Novel central tube ADSS (all-dielectric self-supporting) cable |
| CN104450096A (en) * | 2014-12-23 | 2015-03-25 | 杭州富通通信技术股份有限公司 | Paste used for optical fiber cable and micro optical fiber cable |
| CN204790107U (en) * | 2015-06-30 | 2015-11-18 | 长飞光纤光缆四川有限公司 | Nonmetal layer stranded type fire -retardant cable |
| CN209373222U (en) * | 2019-03-15 | 2019-09-10 | 江苏亨通光电股份有限公司 | Central tube type optical cable |
-
2019
- 2019-03-15 CN CN201910196255.2A patent/CN109739002A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424829A (en) * | 2013-07-26 | 2013-12-04 | 成都亨通光通信有限公司 | Novel central tube ADSS (all-dielectric self-supporting) cable |
| CN104450096A (en) * | 2014-12-23 | 2015-03-25 | 杭州富通通信技术股份有限公司 | Paste used for optical fiber cable and micro optical fiber cable |
| CN204790107U (en) * | 2015-06-30 | 2015-11-18 | 长飞光纤光缆四川有限公司 | Nonmetal layer stranded type fire -retardant cable |
| CN209373222U (en) * | 2019-03-15 | 2019-09-10 | 江苏亨通光电股份有限公司 | Central tube type optical cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609371A (en) * | 2019-08-23 | 2019-12-24 | 厉高成 | Anti-drawing optical fiber, manufacturing method thereof and signal transmission system |
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