CN114460703A - High-strength optical cable reinforced core and manufacturing method thereof - Google Patents
High-strength optical cable reinforced core and manufacturing method thereof Download PDFInfo
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- CN114460703A CN114460703A CN202210258317.XA CN202210258317A CN114460703A CN 114460703 A CN114460703 A CN 114460703A CN 202210258317 A CN202210258317 A CN 202210258317A CN 114460703 A CN114460703 A CN 114460703A
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- optical cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 82
- 239000003822 epoxy resin Substances 0.000 claims abstract description 53
- 239000010410 layer Substances 0.000 claims abstract description 53
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000011247 coating layer Substances 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000001035 drying Methods 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000011265 semifinished product Substances 0.000 description 4
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- C03C25/48—Coating with two or more coatings having different compositions
- C03C25/50—Coatings containing organic materials only
-
- 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
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to a high-strength optical cable reinforcing core and a manufacturing method thereof.A plurality of glass fiber yarns are immersed in a modified epoxy resin liquid tank under the premise of tensioning by a rope twisting machine and twisted into glass fiber ropes; 2) the rigid epoxy resin glass fiber rope surface is coated and dried by the modified EAA layer or the PE layer to form the double-layer optical cable reinforced core. The advantages are that: the defects of hardness, brittleness and poor toughness of the optical cable reinforced core are fundamentally overcome, and the tensile strength of the optical cable reinforced core is improved; secondly, the core wire in the optical cable reinforced core is designed to be in a rope-shaped structure, so that the tensile strength of the core wire is enhanced by multiple times, and the consumption of the glass fiber is reduced by more than 35%; and thirdly, the modified EAA layer or the PE layer is used as a coating layer of the optical cable reinforced core, so that the optical fiber lines around the optical cable reinforced core are protected, and the phenomenon of hard touch between the modified EAA layer and the PE layer is avoided.
Description
Technical Field
The invention relates to a high-strength optical cable reinforced core which has high tensile strength and small elongation percentage and can avoid damage to an optical cable and a manufacturing method thereof, belonging to the field of optical cable reinforced core manufacturing.
Background
CN109749218B, entitled glass fiber optical cable reinforced core, which comprises glass fibers and glue solution coated on the glass fibers, wherein the glue solution is prepared from the following raw materials in percentage by mass: 50-53% of EEA, 38-40% of EVA, 5% of silane coupling agent, 1% of curing stiffening agent and the balance of release agent; the silane coupling agent is silane containing organic functional groups of ethylene, acrylic acid or amine groups; the preparation method of the glass fiber optical cable reinforced core comprises the following steps: step 1, pouring EEA, EVA, a silane coupling agent, a curing stiffening agent and a release agent into a high-temperature melting box to melt to obtain glue solution; step 2, adding the glue solution into a first coating mold and a second coating mold, and controlling the temperature at 240-260 ℃; step 3, extruding the glass fiber from the inlet of the first coating die, drawing the glass fiber from the outlet end after coating, and drying the glass fiber; step 4, winding the dried semi-finished product at a winding speed of 4 m/min; step 5, extruding the semi-finished product from an inlet of a second coating die, drawing out the semi-finished product from an outlet end after soaking, and drying the semi-finished product; and 6, winding the finished product at the winding speed of 10 m/min. The method has the following defects: firstly, the aramid fiber is only used as a reinforcing rib with ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance and light weight, and the cost of the manufactured optical cable reinforcing core is high under the condition of the same price; secondly, the manufactured optical cable reinforced core is hard, brittle and poor in plasticity, and is easy to break in the using process, so that the optical cable is damaged.
Disclosure of Invention
The design purpose is as follows: the defects in the background art are avoided, and the high-strength optical cable reinforced core which has high tensile strength and small elongation percentage and can avoid damage to an optical cable and the manufacturing method are designed.
The design scheme is as follows: the design purpose is realized. The invention has the structural design that: 1. the invention relates to a design that a plurality of glass fiber yarns are tensioned and woven into a glass fiber yarn rope in modified epoxy resin liquid and then cured, which is one of the technical characteristics of the invention. The purpose of this design is: the glass fiber yarn is made up by using glass ball or waste glass as raw material through the processes of high-temp. melting, drawing, winding and weaving, etc. and finally forming various products, the diameter of glass fiber monofilament is several micrometers to twenty-several-meter micrometers, and is equivalent to 1/20-1/5 of a hair, and every bundle of fiber precursor is formed from several hundreds of monofilaments, and can be used for producing various hair-like products. If the reinforcing rib is used as the reinforcing rib of the optical cable reinforcing core, the required amount is large, the rigidity of the manufactured optical cable reinforcing core is insufficient, the diameter is large, and the tensile strength of the manufactured optical cable cannot be well improved. The invention weaves a plurality of glass fiber yarns into a rope under the condition of tension, thereby not only improving the tensile strength, but also reducing the elongation of the plurality of glass fiber yarns to the minimum, meanwhile, because the plurality of glass fiber yarns are weaved and formed by a rope twisting machine after being immersed into the modified epoxy resin liquid to be forcibly pulled (in a tension state), the rigidity of the formed modified epoxy resin fiber rope is improved by more than one time, the toughness is also improved, more importantly, the elongation is reduced to be approximate zero, which is far beyond the required tensile strength of the optical cable, and the safety of the optical cable in use is ensured. 2. The design that the cured modified epoxy resin glass fiber rope is coated by the modified EAA or PE is the second technical characteristic of the invention. The purpose of this design is: the ethylene-acrylic acid copolymer is a material with thermoplasticity and extremely high cohesiveness, forms firm adhesion with the modified epoxy resin, has good toughness and can play a good role in protecting the coated optical fiber wire.
The technical scheme 1: the utility model provides a core is strengthened to high strength optical cable, includes that optical cable strengthens the core, the heart yearn in the core is many glass fiber silks, many glass fiber silk stretch-draw and in modified epoxy liquid be woven into glass fiber silk rope postcure, modified epoxy glass fiber silk rope after the curing is by modified EAA cladding or by PE cladding.
The technical scheme 2 is as follows: a method for manufacturing a high-strength optical cable reinforcing core comprises the following steps of 1) immersing a plurality of glass fiber yarns in a modified epoxy resin liquid tank under the premise of tensioning by a rope twisting machine, twisting the immersed glass fiber yarns into glass fiber ropes, and drying the glass fiber ropes dipped with the modified epoxy resin by an inner aperture hole forming die to form rigid epoxy resin glass fiber ropes; 2) the surface of the rigid epoxy resin glass fiber rope is coated and dried by the modified EAA layer or the PE layer to form the double-layer optical cable reinforced core.
Technical scheme 3: a method for manufacturing a high-strength optical cable reinforcing core comprises the following steps of 1) immersing a plurality of glass fiber yarns in a modified epoxy resin liquid tank under the premise of tensioning by a rope twisting machine, twisting the immersed glass fiber yarns into glass fiber ropes, and drying the glass fiber ropes dipped with the modified epoxy resin by an inner aperture hole forming die to form rigid epoxy resin glass fiber ropes; 2) the surface of the rigid epoxy resin glass fiber rope is coated by the modified epoxy resin layer again to form a single-property double-layer epoxy resin glass fiber rope; 3) the surface of the single double-layer epoxy resin glass fiber rope is coated and dried by the modified EAA layer or the PE layer to form the double three-layer optical cable reinforced core.
Compared with the background technology, the invention fundamentally solves the defects of hard, crisp and poor toughness of the optical cable reinforced core, improves the tensile strength of the optical cable reinforced core and ensures the application safety of the optical cable; secondly, the core wire in the optical cable reinforced core is designed to be in a rope-shaped structure, so that the elongation of the optical cable reinforced core is reduced, the tensile strength of the core wire is enhanced by multiple times, the using amount of glass fiber is reduced by more than 35%, the manufacturing cost is reduced, and the diameter of the core wire is reduced; and thirdly, the modified EAA layer or the PE layer is used as a coating layer of the optical cable reinforced core, so that the tensile resistance is improved, the core wire is prevented from being broken and embrittled in a strong-pulling state, the optical fiber wires around the optical cable reinforced core wire are protected, and the phenomenon of hard touch between the core wire and the optical cable reinforced core wire is avoided.
Drawings
FIG. 1 is a first schematic view of the end face structure of the strength core of the high strength optical cable.
Fig. 2 is a schematic view of an end face structure of a reinforcing core of a high-strength optical cable.
FIG. 3 is a first flow chart of the process for making the strength core of the high-strength optical cable.
FIG. 4 is a second flow chart of the manufacturing process of the high strength optical cable strength member.
Detailed Description
Example 1: reference is made to figure 1. The utility model provides a core is strengthened to high strength optical cable, strengthens the core including the optical cable, the heart yearn in the core is many glass fiber silk, many glass fiber silk stretch-draw and in modified epoxy liquid be woven into glass fiber silk rope 1 postcure, modified epoxy glass fiber silk rope 1 after the solidification is by modified EA layer cladding or by PE cladding 3. The glass fiber yarns in the cured modified epoxy resin glass fiber rope 1 are bonded with the glass fiber yarns into a whole by the modified epoxy resin 2. The hardness of the modified EAA layer or PE layer is less than that of the modified epoxy resin layer.
Example 2: reference is made to figure 2. In addition to example 1, the cured glass fiber cord 1 is coated with a modified epoxy layer 4, and the modified epoxy layer is coated with a modified EAA layer or coated with a PE layer 4.
Modified epoxy resin: toughening with liquid carboxyl-terminated nitrile butadiene rubber (CTBN): the addition amount is 10.5% to 12.5%, wherein the acrylonitrile content of CTBN is 18% to 30%, and 30% of silicon dioxide is added to avoid the strength reduction after adding CTBN, and the preparation thereof is the prior art, and will not be described herein. The modified EAA layer or PE layer is prior art and will not be described here.
Example 3: reference is made to figure 3. A method for manufacturing a high-strength optical cable reinforcing core comprises the following steps of 1) immersing a plurality of glass fiber yarns 01 in a modified epoxy resin liquid tank 02 under the premise of tensioning by a rope twisting machine 05, twisting the glass fiber yarns into glass fiber ropes, and drying the glass fiber ropes dipped and coated with modified epoxy resin by an inner aperture eye forming die 03 and a drying tunnel 04 to form rigid epoxy resin glass fiber ropes; 2) the surface of the rigid epoxy resin glass fiber rope is coated and dried by the modified EAA liquid or the PE liquid 07 to form the double-layer optical cable reinforced core 09. The modified EAA layer or the PE layer plays a role in protecting the optical fiber wires (lines) wrapped around the modified EAA layer or the PE layer, and the phenomenon that the optical fiber wires (lines) and the optical cable reinforcing core are hard to touch is avoided.
Example 4: reference is made to figure 4. On the basis of the embodiment 2, a plurality of glass fiber yarns 01 are immersed in the modified epoxy resin liquid tank 02 under the condition that the rope rolling machine 05 is tensioned and then are rolled into a glass fiber rope, and the glass fiber rope dipped and coated with the modified epoxy resin is dried by the inner aperture hole forming die 03 and the drying tunnel 04 to form a rigid epoxy resin glass fiber rope; 2) the surface of the rigid epoxy resin glass fiber rope is coated by the modified epoxy resin liquid 06 in the modified epoxy resin liquid tank again to form a single-property double-layer epoxy resin glass fiber rope; 3) the single double-layer epoxy resin glass fiber rope surface is coated and dried by the modified EAA liquid or the modified PE liquid 07 in the modified EAA liquid or the PE liquid tank to form the double-layer optical cable reinforced core 08 which is used for manufacturing special optical cables.
Each glass fiber yarn pay-off installation tension sensor goes into the thigh with the uniform force, and each thigh is laid line sensor uniform force and is gone into the rope, reaches every glass fiber yarn atress even, plays the atress maximize.
Considering the rigidity of the epoxy resin material, the flexibility of the EAA material needs to be controlled by a natural shaping process for 48-72 hours.
The plurality of glass fiber yarns are manufactured by a rope twisting machine within the temperature range of the heated softening point (the softening point is 500-750 ℃), and the process of manufacturing the rope is the prior art and is not described in detail here.
It is to be understood that: although the above embodiments have described the design idea of the present invention in more detail, these descriptions are only simple descriptions of the design idea of the present invention, and are not limitations of the design idea of the present invention, and any combination, addition, or modification without departing from the design idea of the present invention falls within the scope of the present invention.
Claims (6)
1. The utility model provides a core is strengthened to high strength optical cable, includes the core is strengthened to the optical cable, characterized by: the core wire in the optical cable reinforcing core is a plurality of glass fiber yarns, the glass fiber yarns are tensioned and woven into glass fiber ropes in modified epoxy resin liquid to be cured, and the cured modified epoxy resin glass fiber ropes are coated by the modified EAA layer or the PE coating layer.
2. The high strength optical cable strength member of claim 1, wherein: the cured glass fiber rope is coated by the modified epoxy resin layer, and the modified epoxy resin layer is coated by the modified EAA layer or the PE layer.
3. The high strength optical cable strength member of claim 1, wherein: the glass fiber yarns in the cured modified epoxy resin glass fiber rope are bonded with the glass fiber yarns into a whole by the modified epoxy resin.
4. The high strength optical cable strength member of claim 1, wherein: the hardness of the modified EAA layer or PE layer is less than that of the modified epoxy resin layer.
5. A manufacturing method of a high-strength optical cable reinforced core is characterized by comprising the following steps: 1) a plurality of glass fiber yarns are immersed in the modified epoxy resin liquid tank under the premise of tensioning by a rope rolling machine and are twisted into a glass fiber rope, and the glass fiber rope dipped with the modified epoxy resin is dried by an inner aperture hole forming die to form a rigid epoxy resin glass fiber rope; 2) the surface of the rigid epoxy resin glass fiber rope is coated and dried by the modified EAA layer or the PE layer to form the double-layer optical cable reinforced core.
6. A manufacturing method of a high-strength optical cable reinforced core is characterized by comprising the following steps: 1) a plurality of glass fiber yarns are immersed in the modified epoxy resin liquid tank under the premise of tensioning by a rope rolling machine and are twisted into a glass fiber rope, and the glass fiber rope dipped with the modified epoxy resin is dried by an inner aperture hole forming die to form a rigid epoxy resin glass fiber rope; 2) the surface of the rigid epoxy resin glass fiber rope is coated by the modified epoxy resin layer again to form a single-property double-layer epoxy resin glass fiber rope; 3) the surface of the single double-layer epoxy resin glass fiber rope is coated and dried by the modified EAA layer or the PE layer to form the double three-layer optical cable reinforced core.
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CN202210258317.XA CN114460703A (en) | 2022-03-16 | 2022-03-16 | High-strength optical cable reinforced core and manufacturing method thereof |
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CN202210258317.XA CN114460703A (en) | 2022-03-16 | 2022-03-16 | High-strength optical cable reinforced core and manufacturing method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116594127A (en) * | 2023-04-28 | 2023-08-15 | 宏安集团有限公司 | Indoor and outdoor self-supporting armored butterfly-shaped lead-in optical cable |
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JPH09101438A (en) * | 1995-10-04 | 1997-04-15 | Nippon Telegr & Teleph Corp <Ntt> | Optical cable |
JP2004070042A (en) * | 2002-08-07 | 2004-03-04 | Sumitomo Electric Ind Ltd | Optical cable and method for manufacturing optical cable |
CN201583708U (en) * | 2009-10-13 | 2010-09-15 | 仪征市众志复合材料制品有限公司 | Mixed fiber reinforced core of optical cable |
CN102508345A (en) * | 2011-11-05 | 2012-06-20 | 河北华强科技开发有限公司 | Reinforced core of communication optical cable and manufacturing method as well as special device for manufacturing reinforced core |
CN208421331U (en) * | 2018-05-15 | 2019-01-22 | 浙江中天电线电缆有限公司 | A kind of optical fiber |
CN112291508A (en) * | 2019-11-11 | 2021-01-29 | 中国人民解放军海军工程大学 | Intelligent underwater security and protection arresting network system and intrusion early warning method |
CN218240489U (en) * | 2022-03-16 | 2023-01-06 | 杭州巨力绝缘材料有限公司 | High-strength optical cable reinforced core |
-
2022
- 2022-03-16 CN CN202210258317.XA patent/CN114460703A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09101438A (en) * | 1995-10-04 | 1997-04-15 | Nippon Telegr & Teleph Corp <Ntt> | Optical cable |
JP2004070042A (en) * | 2002-08-07 | 2004-03-04 | Sumitomo Electric Ind Ltd | Optical cable and method for manufacturing optical cable |
CN201583708U (en) * | 2009-10-13 | 2010-09-15 | 仪征市众志复合材料制品有限公司 | Mixed fiber reinforced core of optical cable |
CN102508345A (en) * | 2011-11-05 | 2012-06-20 | 河北华强科技开发有限公司 | Reinforced core of communication optical cable and manufacturing method as well as special device for manufacturing reinforced core |
CN208421331U (en) * | 2018-05-15 | 2019-01-22 | 浙江中天电线电缆有限公司 | A kind of optical fiber |
CN112291508A (en) * | 2019-11-11 | 2021-01-29 | 中国人民解放军海军工程大学 | Intelligent underwater security and protection arresting network system and intrusion early warning method |
CN218240489U (en) * | 2022-03-16 | 2023-01-06 | 杭州巨力绝缘材料有限公司 | High-strength optical cable reinforced core |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116594127A (en) * | 2023-04-28 | 2023-08-15 | 宏安集团有限公司 | Indoor and outdoor self-supporting armored butterfly-shaped lead-in optical cable |
CN116594127B (en) * | 2023-04-28 | 2024-04-26 | 宏安集团有限公司 | Indoor and outdoor self-supporting armored butterfly-shaped lead-in optical cable |
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