CN109116494A - A kind of microbeam pipe optical cable and its manufacturing method - Google Patents
A kind of microbeam pipe optical cable and its manufacturing method Download PDFInfo
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- CN109116494A CN109116494A CN201811186582.1A CN201811186582A CN109116494A CN 109116494 A CN109116494 A CN 109116494A CN 201811186582 A CN201811186582 A CN 201811186582A CN 109116494 A CN109116494 A CN 109116494A
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- microbeam
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- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 229920000728 polyester Polymers 0.000 claims abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000013536 elastomeric material Substances 0.000 claims abstract description 12
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 12
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 11
- 239000004760 aramid Substances 0.000 claims description 9
- 229920003235 aromatic polyamide Polymers 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract description 4
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/566—Devices for opening or removing the mantle
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Communication Cables (AREA)
Abstract
The present invention provides a kind of microbeam pipe optical cable, including cable core and the oversheath being coated on outside cable core, wherein cable core includes several microbeam pipe light units, and microbeam pipe light unit includes microbeam pipe and several optical fiber for being coated in microbeam pipe.Microbeam pipe air-blowing micro-cable of the present invention replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces the use of fiber paste, more environmentally-friendly；Wherein microbeam pipe is made of thermoplastic polyester elastomeric material, and material softness is tearable, facilitates construction；Microbeam pipe bending property is superior simultaneously, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam pipe use thermoplastic polyester elastomeric material shrinking percentage it is low, long-time service will not cause because of casing shrink optical fiber emerge and fiber paste overflow the problem of, the service life is longer.The present invention also provides a kind of manufacturing methods of microbeam pipe optical cable.
Description
Technical field
The present invention relates to fiber optic communications technical field, more particularly to a kind of microbeam pipe optical cable for air-blown installation and its
Manufacturing method.
Background technique
As what global broadband network, next-generation mobile communications, the integration of three networks were built accelerates development, communication service is to optical cable
The requirement of product is higher and higher.Meanwhile the structure of optical cable is also increasingly dependent on the environment and hardware requirement used.
Completely the same micro- of the features such as requirement with the communications industry to optical cable is higher and higher, light and soft, very thin with optical fiber
Type optical cable is widely applied.This kind of micro optical cable uses air-blown installation technology, and construction method is made to more tend to automate, and works
Strength reduction.Meanwhile this new structural optical cable also has an important advantage: user can be according to development need by stages
Increased optical cable is blown into the main pipe of built route by dilatation, is laid optical cable by stages to realize, is put by stages.
PBT or PC Loose tube quality used in traditional optical cable is harder, and bending is easy to happen when connector box mid-game is stayed
And optical fiber is easily thus caused to fracture or decay increase；And due to the after-contraction of Loose tube material, it is used for a long time and is easy
The problems such as generation optical fiber is emerged, and is decayed exceeded, and fiber paste is excessive；In addition conventional PBT or PC Loose tube applies man-hour requirement profession knife
Tool cutting, construction efficiency are low.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of soft microbeam pipe optical cables, are not easy to send out when being bent
Raw bending or disconnected fibre, and when constructing can unarmed stripping, improve construction efficiency.
In order to solve the above technical problems, a kind of technical solution provided by the invention is: a kind of microbeam pipe optical cable is provided, including
Cable core and the oversheath being coated on outside cable core, wherein cable core includes several microbeam pipe light units, and microbeam pipe light unit includes micro-
Beam tube and several optical fiber being coated in microbeam pipe.
Wherein, cable core further includes the enhancement layer on the inside of oversheath, and microbeam pipe light unit circumferentially depends on enhancement layer
Inside.
Wherein, cable core further includes the center reinforcemen among microbeam pipe light unit, and microbeam pipe light unit adds along center
The circumferential direction of strong part successively close-packed arrays.
Wherein, cable core further include several water blocking yarns between microbeam pipe light unit and center reinforcemen and be located at plus
Tear rope in strong layer.
Wherein, the microbeam pipe of microbeam pipe light unit is formed by thermoplastic polyester elastomeric material extrusion molding.
The present invention also provides a kind of manufacturing methods of microbeam pipe optical cable, comprising the following steps:
Microbeam pipe light unit step: several optical fiber being released by pay off rack respectively and keep constant optical fiber laying tension,
Extrusion molding is carried out into tubular molding tool；It carries out being cooled into microbeam pipe light unit through cold rinse bank；
Cable core step: center reinforcemen is attached to pay off rack and is led across water blocking yarn unwrapping wire pipe to head；It will be several above-mentioned
The microbeam pipe light unit that step is formed is installed to pay off rack, is adjusted laying tension and is passed through twisted mold and leads to head；If will
Dry water blocking yarn is installed to bundling machine, and yarn-binding tension is adjusted；The microbeam pipe light unit is prolonged circumferential be arranged in order to add at center
Around strong part, twisted equipment and bundling machine are opened, microbeam pipe light unit is equably arranged under the tying up of water blocking yarn
Cable core is formed around center reinforcemen；
Oversheath step: being installed to pay off rack for aramid yarn, tear rope, adjusts its tension and involves stand-by to head；Peace
The cable core of above-mentioned steps formation is installed, laying tension is adjusted and carries out extrusion molding after cable core and aramid yarn, tear rope are penetrated mold,
Through being cooled into oversheath.
Wherein, between 130 DEG C~190 DEG C, microbeam pipe extrusion molding is used for extrusion temperature control in microbeam pipe light unit step
Be thermoplastic polyester elastomeric material.
Wherein, center reinforcemen is made of fibre reinforced composites.
Wherein, extrusion temperature control is between 170 DEG C~250 DEG C in oversheath step, and oversheath extruded material is using poly-
Vinyl material.
Wherein, aramid yarn, which is wrapped on the outside of cable core, forms enhancement layer, and tear rope is located in enhancement layer.
The beneficial effects of the present invention are: being in contrast to the prior art, microbeam pipe optical cable of the present invention is tight using microbeam pipe
Close clad optical fiber replaces traditional Loose tube, largely reduces the use of fiber paste, more environmentally-friendly, microbeam pipe is by thermoplastic polyester elastomer
Body material extrusion molding is formed, and material softness is tearable, facilitates construction；Microbeam pipe bending property is superior simultaneously, stays in connector box mid-game
When reduce casing bending and fine risk of breaking；In addition the thermoplastic polyester elastomeric material shrinking percentage that microbeam pipe uses is low, long
Phase use will not cause because of casing shrink optical fiber emerge and fiber paste overflow the problem of, the service life is longer.
Detailed description of the invention
Fig. 1 is the structure chart of microbeam pipe optical cable of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, to the skill of each exemplary embodiment provided by the present invention
Art scheme is clearly and completely described.In the absence of conflict, following each embodiments and its technical characteristic can be mutual
Combination.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, being the structure chart of microbeam pipe optical cable of the present invention.Microbeam pipe optical cable of the present invention is layer-stranding cable, packet
Cable core and the oversheath 1 for being coated on cable core are included, cable core includes the enhancement layer 2 for being located at 1 inside of oversheath, circumferentially depends on enhancement layer
Several microbeam pipe light units 3 inside 2, are located at microbeam Guan Guang at the center reinforcemen 4 among these microbeam pipe light units 3
Several water blocking yarns 5 between unit 3 and center reinforcemen 4 and the tear rope in enhancement layer 26.
Microbeam pipe light unit 3 includes microbeam pipe in the present embodiment and be coated in microbeam pipe several have coat
Silica communicates single mode optical fiber, these microbeam pipe light units 3 are successively twisted along 4 radial direction of center reinforcemen, each microbeam pipe
Circumferential direction successively close-packed arrays of the light unit 3 along center reinforcemen 4.
In the present embodiment, the microbeam pipe of the microbeam pipe light unit 3 is by thermoplastic polyester elastomeric material (English abbreviation
TPEE it) is made, TPEE is the block copolymer containing polyester hard section and polyester soft segment, wherein polyester soft segment and uncrystallized polyester
It forms amorphous phase polyester hard section partially crystallizable and forms crystalline domains, play physical crosslinking point.TPEE has the bullet of rubber
The intensity of property and engineering plastics；With rubber phase ratio, it has better processing performance and longer service life；With engineering material phase
Than, equally have the characteristics that intensity is high, and flexibility and dynamic mechanical are more preferable.In addition, having one between microbeam pipe and optical fiber
Fixed gap, and continuous factice for filling or solid-state material water-proof material, to achieve the effect that block water, factice for filling or material water-proof material can be with
It is compatible with other cable materials, and the transmission characteristic and service life of optical fiber are not damaged.
The center reinforcemen 4 can be metal strength members or non-metallic stiffener, such as fiber-reinforced composite material
Expect (Fiber Reinforced Plastic, abbreviation FRP), the center reinforcemen 4 has enough sections, tensile elasticity mould
Amount and elastic strain range, to enhance the tensile property of microbeam pipe optical cable.
The oversheath 1 is the layer of polyethylene extruded outside cable core or other thermoplastic materials, and polythene material is height
Density polyethylene protective cover material.1 thickness average value of oversheath is not less than 0.35mm, and minimum value is not less than 0.3mm.The outer shield
Set 1 is black, also can according to need and selects other colors.1 surface of oversheath is smooth seamless, without mesh on any section
The visible bubble of power, sand holes and crackle.
In present embodiment, the rectangle pipeline that the air-blowing path of microbeam pipe optical cable is 341 meters of perimeter, total length is 1,000
Rice.Air-blowing speed is more than or equal to 20m/min, and air-blowing length is more than or equal to 1km.
Microbeam pipe optical cable of the present invention replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces fiber paste
It uses, it is more environmentally-friendly.Wherein microbeam pipe is made of thermoplastic polyester elastomeric material, and material softness is tearable, facilitates construction；Together
When microbeam pipe bending property it is superior, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam pipe is adopted
Thermoplastic polyester elastomeric material shrinking percentage is low, long-time service will not cause because of casing shrink optical fiber emerge and fiber paste overflow
Out the problem of, the service life is longer.
The manufacturing method of microbeam pipe optical cable of the present invention, by taking 72 core microbeam pipe optical cables as an example, steps are as follows:
Microbeam pipe light unit step: 12 optical fiber are released by pay off rack respectively, and optical fiber laying tension is adjusted to 0.5N-
0.8N simultaneously keeps constant optical fiber laying tension, a small amount of fiber paste is gathered together and coats before entering mold, into crowded tubular type
Mold carries out extrusion molding, and extrusion temperature control is adjusted to 1.4 ± 0.1mm between 130 DEG C~190 DEG C, while by microbeam pipe outside diameter,
Wall thickness is in 0.1~0.2mm；It carries out being cooled into microbeam pipe light unit through cold rinse bank.In present embodiment, microbeam pipe extrusion molding is used
Be thermoplastic polyester elastomeric material.
Cable core step: being attached to pay off rack for the center reinforcemen of 1.7mm nominal outside diameter, and adjusting laying tension is 15~20N,
It leads across water blocking yarn unwrapping wire pipe to head；The microbeam pipe light unit that 6 above-mentioned steps are formed is installed to pay off rack, adjusting is put
Line tension is 1~1.5N, is led across twisted mold to head；Two water blocking yarns are installed to bundling machine, yarn-binding tension is adjusted
0.8~1N；6 microbeam pipe light units are prolonged and are circumferentially arranged in order around center reinforcemen, twisted equipment is opened and prick yarn
Machine enables microbeam pipe light unit to be equably arranged in around center reinforcemen under the tying up of water blocking yarn, will prick yarn pitch
It is adjusted to 3~5cm, twisting pitch is adjusted to 5~10cm, forms cable core.In the present embodiment, center reinforcemen uses fiber
Enhancing composite material is made.
Oversheath step: being installed to pay off rack for aramid yarn, tear rope, and adjusting its tension is 1.5~2N, involves to head
For use；The cable core of above-mentioned steps formation is installed, adjusting laying tension is 5~10N, and cable core and aramid yarn, tear rope are penetrated
Extrusion molding is carried out after mold, extrusion temperature is controlled at 170~250 DEG C, carries out cooling shape by 40 DEG C of warm water and cold rinse bank after extrusion molding
At oversheath.In the present embodiment, aramid yarn, which is wrapped on the outside of cable core, forms enhancement layer, and oversheath extruded material uses poly- second
Alkene material, the oversheath outer diameter of formation are 5.8 ± 0.2mm, and wall thickness is 0.5 ± 0.1mm.
Microbeam pipe optical cable of the present invention replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces fiber paste
It uses, it is more environmentally-friendly.And microbeam pipe is made of thermoplastic polyester elastomeric material, material softness is tearable, facilitates construction；Simultaneously
Microbeam pipe bending property is superior, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam pipe uses
Thermoplastic polyester elastomeric material shrinking percentage it is low, long-time service will not cause because of casing shrink optical fiber emerge and fiber paste overflow
The problem of, the service life is longer.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of microbeam pipe optical cable, which is characterized in that including cable core and the oversheath being coated on outside cable core, the cable core includes
Several microbeam pipe light units, the microbeam pipe light unit include microbeam pipe and several optical fiber for being coated in the microbeam pipe.
2. microbeam pipe optical cable as described in claim 1, which is characterized in that the cable core further includes being located on the inside of the oversheath
Enhancement layer, the microbeam pipe light unit circumferentially depends on the inside of the enhancement layer.
3. microbeam pipe optical cable as described in claim 1, which is characterized in that the cable core further includes being located at the microbeam Guan Guangdan
First intermediate center reinforcemen, circumferential direction successively close-packed arrays of the microbeam pipe light unit along center reinforcemen.
4. microbeam pipe optical cable as claimed in claim 2 or claim 3, which is characterized in that the cable core further includes being located at the microbeam pipe
Several water blocking yarns between light unit and the center reinforcemen and the tear rope in the enhancement layer.
5. microbeam pipe optical cable as described in claim 1, which is characterized in that the microbeam pipe of the microbeam pipe light unit is by thermoplasticity
Polyester elastomer materials extrusion molding is formed.
6. a kind of manufacturing method of microbeam pipe optical cable, which comprises the following steps:
Microbeam pipe light unit step: several optical fiber being released by pay off rack respectively and keep constant optical fiber laying tension, is entered
Tubular molding tool carries out extrusion molding, carries out being cooled into microbeam pipe light unit through cold rinse bank；
Cable core step: center reinforcemen is attached to pay off rack and is led across water blocking yarn unwrapping wire pipe to head；By several above-mentioned steps
The microbeam pipe light unit of formation is installed to pay off rack, is adjusted laying tension and is passed through twisted mold and leads to head；By several resistances
Water yarn is installed to bundling machine, and yarn-binding tension is adjusted；The microbeam pipe light unit is prolonged into circumferential be arranged in order in center reinforcemen
Around, twisted equipment and bundling machine are opened, is enabled during microbeam pipe light unit is equably arranged under the tying up of water blocking yarn
Cable core is formed around heart reinforcer；
Oversheath step: being installed to pay off rack for aramid yarn, tear rope, adjusts its tension and involves stand-by to head；It installs
The cable core that above-mentioned steps are formed adjusts laying tension and carries out extrusion molding after cable core and aramid yarn, tear rope are penetrated mold, through cold
But oversheath is formed.
7. the manufacturing method of microbeam pipe optical cable as claimed in claim 6, which is characterized in that in the microbeam pipe light unit step
Extrusion temperature controls between 130 DEG C~190 DEG C, and the microbeam pipe extrusion molding is using thermoplastic polyester elastomeric material.
8. the manufacturing method of microbeam pipe optical cable as claimed in claim 6, which is characterized in that the center reinforcemen uses fiber
Enhancing composite material is made.
9. the manufacturing method of microbeam pipe optical cable as claimed in claim 6, which is characterized in that extrusion molding temperature in the oversheath step
Between 170 DEG C~250 DEG C, the oversheath extruded material uses polythene material for degree control.
10. the manufacturing method of microbeam pipe optical cable as claimed in claim 6, which is characterized in that the aramid yarn is wrapped in described
Enhancement layer is formed on the outside of cable core, the tear rope is located in the enhancement layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186582.1A CN109116494A (en) | 2018-10-12 | 2018-10-12 | A kind of microbeam pipe optical cable and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186582.1A CN109116494A (en) | 2018-10-12 | 2018-10-12 | A kind of microbeam pipe optical cable and its manufacturing method |
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| CN109116494A true CN109116494A (en) | 2019-01-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679384A (en) * | 2020-05-29 | 2020-09-18 | 深圳市特发信息光网科技股份有限公司 | Bundled grouped optical fiber multi-core mini optical cable and manufacturing method thereof |
| CN113866922A (en) * | 2021-10-13 | 2021-12-31 | 江苏亨通光电股份有限公司 | Outdoor optical cable with large-core-number micro-beam tube and process manufacturing method thereof |
| CN114127604A (en) * | 2019-06-28 | 2022-03-01 | 斯伦贝谢技术有限公司 | Stranded optical fiber cable |
| CN115343817A (en) * | 2022-08-30 | 2022-11-15 | 江苏中天科技股份有限公司 | Rated breaking force overhead micro-beam optical cable and manufacturing process thereof |
| CN116609906A (en) * | 2023-07-18 | 2023-08-18 | 江苏中天科技股份有限公司 | Unidirectional stranded microbeam optical cable and manufacturing process thereof |
| CN117170054A (en) * | 2023-11-01 | 2023-12-05 | 江苏中天科技股份有限公司 | Rat-proof optical cable with multilayer rat-proof structure |
| WO2024216909A1 (en) * | 2023-04-19 | 2024-10-24 | 江苏中天科技股份有限公司 | Protection-enhanced micro-harness cable and manufacturing process therefor |
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