CN204832608U - Optical cable - Google Patents
Optical cable Download PDFInfo
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- CN204832608U CN204832608U CN201520532976.3U CN201520532976U CN204832608U CN 204832608 U CN204832608 U CN 204832608U CN 201520532976 U CN201520532976 U CN 201520532976U CN 204832608 U CN204832608 U CN 204832608U
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Abstract
The utility model provides an optical cable belongs to the optical communication field, including light unit and packing foaming layer, it is in to fill the foaming layer cladding the light unit is outer, fill the inside abscess that is provided with of foaming layer, optical cable's density is less than the density of water. Through the foaming, make the density of unit mass's material diminish owing to fill the foaming layer, because this optical cable density also is less than water, optical cable can float on the surface of water, and has good pliability to possessing the surface of water optical cable who many times receive and releases, mainly being applicable to surface of water ship, the showy operation of horizontal migration platform and surface of water detection equipment's etc. Data communication, it is convenient that this type optical cable makes, simple to use, can repetitious usage.
Description
Technical field
The utility model relates to optical communication field, in particular to a kind of optical cable.
Background technology
Along with the further reinforcement of China's ocean development, communications optical cable for water surface detecting devices, water surface floating platform and water surface ship is applied further, and communications optical cable has the advantages such as lightweight, transmission speed fast, long transmission distance, transmission capacity are large relative to telecommunication cable.But current most of optical cable many employings submarine laying, indoor and outdoor pipeline laying, empty frame, directly to bury underground, scope due to the activity of operation at sea needs is wide and all on the water surface, empty frame or directly bury underground and be difficult to realize, this kind of laying method is not suitable for operation at sea, utilize submarine laying cost high simultaneously, improve the cost of operation at sea.
Utility model content
The utility model provides a kind of optical cable, makes it more be applicable to operation at sea, and provides data communication network as the mobile device on the water surface and facility.The utility model is achieved in that
A kind of optical cable, comprises light unit and filling-foam layer, and it is outer that described filling-foam layer is coated on described smooth unit, and described filling-foam layer inside is provided with abscess, and the density of described optical cable is less than the density of water.
Further, the high density polyethylene that described filling-foam layer is 60% ~ 80% by foam degrees foams and makes, and the external diameter of described filling-foam layer is 5.0mm.
High density polyethylene is high, the nonpolar thermoplastic resin of a kind of crystallinity.The density of high density polyethylene is less than the density of water, be wrapped in the outside of light unit through foaming, enable optical cable swim on the water surface, high density polyethylene has good thermotolerance and low temperature resistance simultaneously, chemical stability is good, can adapt to the various situations of operation at sea.High density polyethylene has higher rigidity and toughness, and physical strength is good, can when the effect of optical cable under tension, and protection optical cable not easily deformation occurs, and increases the serviceable life of optical cable.The perviousness of high density polyethylene to water vapor and air is little, water absorptivity is low, can ensure optical cable on the water operation time, not easily intake.Foam degrees in the utility model reaches 60%-80%, this foam degrees improves speed and the transmission frequency of optical cable transmission signal, the performance of further raising product, improve the speed of production line, reduce the use amount of insulating material and the use amount of external shield material, thus reduce production cost further.Because filling-foam layer expands, produce abscess fine and closely woven in a large number, filling-foam layer is evenly distributed in the periphery of light unit, tight parcel light unit, not only a stable effect is played to light unit, enable optical cable swim on the water surface simultaneously, for operation at sea provides conveniently.The external diameter of filling-foam layer is 5.0mm simultaneously, fully ensure that the thickness of filling-foam layer, optical cable is swum on the water surface.
Further, described smooth unit comprises non-metal reinforcement member and optical cable component wire, described optical cable component wire is 1 tight tube fiber or 2 to 4 mutual stranded tight tube fibers, and it is inner that described optical cable component wire and described non-metal reinforcement member are all arranged on described smooth unit, and described optical fiber is G657A2 optical fiber.
G657 optical fiber and bending loss insensitive single-mode fiber, this optical fiber is adopted to improve the bending loss of optical fiber, because optical fiber is in the decay that minor radius case of bending causes for a long time when reducing cloth cable, adopt the fiber optic materials of this bend-insensitive simultaneously, make can have larger degree of freedom and redundance during wiring.Wherein multiply optical cable component wire is stranded forming, due to the cross section of cable core, more macrobending is more difficult, the difficulty that cannot overcome must be brought like this to construction, so adopt multiply optical cable component wire stranded as core, such structure makes the flexibility of optical cable greatly increase, and curvature when can make bending does not concentrate on a place, but be distributed on per share optical cable component wire, can slippage between per share optical cable component wire time simultaneously bending, the contrary twisting in each layer direction, the pulling force that whole Inside and Outside of Conductor is subject to and pressure decompose, and are conducive to the serviceable life extending optical cable.
Further, beam tube type non-metallic optical fiber cables centered by described optical cable, described non-metal reinforcement member is arranged on described optical cable component wire both sides or coated to be arranged on described optical cable component wire outer.
For central beam tubular nonmetallic optical fiber cable, non-metal reinforcement member is arranged on optical cable component wire both sides or closely wraps up described optical cable component wire, fixing reinforcement, anti-extrusion effect are played to optical cable, and resist optical cable laying and issuable axial stress in use procedure, optical cable is made to have good stretch-proof function, simultaneously for optical cable provides intensity, provide buffering to variation of ambient temperature.
Further, described optical cable is layer twisted type non-metal optical cable, and described non-metal reinforcement member is metalloid core reinforcement, and described optical cable component wire is along the outside spread configuration of described metalloid core reinforcement.
The non-metal reinforcement member being in light unit middle position is called metalloid core reinforcement, and tight sleeve pipe around metalloid core reinforcement, by regulating the strand pitch of tight sleeve pipe, can make optical cable have good tensile property and temperature performance with suitable pitch.Optical cable component wire is twisted in and has around high elastic modulus and low-expansion metalloid core reinforcement, form layer-twisted type structure.Improve stability and the limit fibre strain of optical fiber, this optical cable production and processing is simultaneously simple and cost is lower.
Further, described non-metal reinforcement member is made up of high density polyethylene.
High density polyethylene has higher rigidity and toughness, and physical strength is good, is made into by high density polyethylene shaft-like; as non-metal reinforcement member, optical cable is fixed to the effect of reinforcement, makes optical cable when under tension effect; not easily there is deformation in protection optical cable, increases the serviceable life of optical cable.
Further, described filling-foam layer outer is coatedly successively provided with enhancement Layer, block water belting layer and outer jacket.
Enhancement Layer is set in filling-foam layer outer cladding, block water belting layer and outer jacket; filling-foam layer, enhancement Layer, block water belting layer and outer jacket are the sheath of optical cable; mainly be used for protecting light unit; make light unit from the impact of external mechanical effect and environmental baseline, they all have the characteristics such as fire-retardant, moistureproof, withstand voltage and corrosion-resistant.Wherein filling-foam layer is the floating basis of optical cable; and enhancement Layer strengthens optical cable; optical cable is made to have excellent tensile property; the belting layer that blocks water makes optical cable avoid into water or make moist; and outer jacket protects not to be mechanically damaged and chemical corrosion by the sheath that outer jacket is coated, enhance mechanical strength.
Further, described enhancement Layer is made up of high density polyethylene, and the external diameter of described enhancement Layer is 5.4mm.
Usual employing be aramid yarn or organdy, and the utility model adopts high density polyethylene yarn as enhancement Layer, because the price of aramid fiber is very expensive, and high density polyethylene is relatively cheap, simultaneously the intensity of high density polyethylene and resistance to acid stronger, operation on the water preferably, the density of aramid fiber is greater than the density of high density polyethylene and is greater than the density of water simultaneously, under same volume, increase the weight of optical cable, be unfavorable for that optical cable swims on the water surface.The design of enhancement Layer 5.4mm, namely the thickness of enhancement Layer is 0.4mm, and while the anti-pressure ability strengthening optical cable, the diameter of optical cable is not too large, controls the cost of manufacture of optical cable, is more suitable for putting into production use.
Further, described in the belting layer that blocks water be made up of polyester belt, described in the belting layer external diameter that blocks water be 6.0mm.
Because this optical cable is mainly used in operation at sea, so most important for waterproof, intake due to optical cable or make moist, the attenuation of optical cable can be caused to increase, after optical cable makes moist simultaneously, the physical characteristics of sheath all can change, affect averaging effect, make moist and can become very crisp, the serious toughness reducing optical fiber, of long duration, optical fiber can break gently at a touch.Meanwhile, the insulation of the optical cable that makes moist also has impact, causes Lightning Proof for Optical Cables effect to be affected.In the utility model, adopt polyester waterstop to carry out waterproof, polyester waterstop fiber is evenly distributed, surfacing, effectively waterproof can block water, avoid optical cable to make moist, and strengthens the serviceable life of optical cable.
Further, described outer jacket is double-decker, the glass layer being respectively polyurethane sheath and biting for preventing worm for fishing to sting, block water outside belting layer described in described polyurethane sheath is arranged on, described glass layer is arranged on outside described polyurethane sheath, described glass layer is netted, and the thickness of described glass layer is less than the thickness of described polyurethane sheath, and described outer jacket external diameter is 8.6mm.
This outer jacket is wrapped in the outermost of optical cable; it is the part directly contacted with water; so the material of resistant to hydrolysis must be adopted; polyurethane can effective resistant to hydrolysis, anti-oxidation; protection optical cable is not softening by the impulse force of water and the immersion of water to ftracture; simultaneously because polyurethane is yellow, comparatively eye-catching during operation on the water, be convenient to differentiate.And coated in the outside of polyurethane sheath layer of glass layer is set, little, the transparent and light-permeable of glass fibre water absorptivity, glass layer presents reticulate texture, while coated polyurethane sheath, can also present the yellow of polyurethane sheath, glass layer is after being stung by worm for fishing and biting, present smashing glass dregs, the cavity of worm for fishing can be scratched, make it to produce optical cable to fear sense, reach and prevent from optical cable to be stung by worm for fishing biting and the effect that damages.The thickness of glass layer is less than the thickness of polyurethane sheath, and the diameter of outer jacket is 8.6mm, and namely represent that the diameter of optical cable is 8.6mm, the diameter of this optical cable is little, lightweight, improves density of optic fibre, increases the utilization factor of pipeline.
The beneficial effect that the utility model realizes is: a kind of optical cable, by arranging one deck filling-foam layer outside light unit, utilize this filling-foam layer through foaming, produce a large amount of fine and closely woven abscess, because the density of this filling-foam layer is less than water, so optical cable can be made to swim on the water surface, be laid immediately on the water surface, it is convenient to lay, simultaneously due to non-metallic optical fiber cables, there is large-capacity data transmission function, be more applicable for operation at sea, and the cost of material is low for this optical cable foaming agent and foaming layer, adopt high density polyethylene, not only reduce costs, more strengthen the resistance to acid of optical cable, increase serviceable life.Because this optical cable is non-metallic optical fiber cables, be different from photoelectricity composite cable, be absorbed in signal transmission, there is large-capacity data transmission function, the better effects if of signal transmission, due to not containing metal in optical cable, can not induction current be produced, effectively lightning protection can take shelter from the thunder, and adopt nonmetal, metal can be avoided to swim on the water surface be oxidized, more be adapted to operation at sea.
Accompanying drawing explanation
A kind of structural representation of the central beam tubular nonmetallic optical fiber cable that Fig. 1 provides for the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment one China and foreign countries sheath section;
A kind of structural representation of the layer twisted type non-metal optical cable that Fig. 3 provides for the utility model embodiment two.
Wherein, Reference numeral gathers as follows: light unit 101; Optical cable component wire 102; Non-metal reinforcement member 103; Filling-foam layer 104; Enhancement Layer 105; Block water belting layer 106; Outer jacket 107; Polyurethane sheath 107a; Glass layer 107b.
Embodiment
Along with the further reinforcement of China's ocean development, for water surface detecting devices, water surface floating platform, the communications optical cable of water surface ship is applied further, and communications optical cable has the advantages such as lightweight, transmission speed fast, long transmission distance, transmission capacity are large relative to telecommunication cable.But current most of optical cable many employings submarine laying, indoor and outdoor pipeline laying, empty frame, directly bury underground, because operation at sea is difficult to realize empty frame or directly bury underground, the cost of submarine laying is higher again, improves the cost of operation at sea simultaneously.
In view of the foregoing, researcher, through long-term research and a large amount of practices, provides a kind of optical cable, is intended to improve the problems referred to above, for operation at sea is provided convenience.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.
Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment one
As shown in Figure 1, wrap up successively in the outside of light unit 101 filling-foam layer 104, enhancement Layer 105 are set, block water belting layer 106 and outer jacket 107.
First, filling-foam layer 104 adopts carbon dioxide or nitrogen to carry out physical blowing to high density polyethylene, the volume of the high density polyethylene after foaming is greater than the volume that feeds intake, its foam degrees is 60%-80%, because high density polyethylene autologous density is less than water, again through physical blowing, volume becomes large, density is less, and optical cable is swum on the water surface.The external diameter of filling-foam layer 104 is 5.0mm.
Secondly enhancement Layer 105 is set at filling-foam layer 104 outer parcel successively, the external diameter of enhancement Layer 105 is 5.4mm, the yarn shape encapsulated by structures that this enhancement Layer 105 mainly adopts high density polyethylene to make is outside filling-foam layer 104, because high density polyethylene also has extremely strong flexibility, replace normally used as aramid fiber material with high density polyethylene yarn, the nonmetal reinforced wire that glass fiber or glass-weave band etc. are expensive, also this optical cable will be made to have more economy, simultaneously the Antacid effectiveness of high density polyethylene and elastic strength are all than aramid fiber material, glass fiber and glass-weave band contour, possess simultaneously and compare aramid fiber material, glass fiber and the low feature of glass-weave band isodensity, further parcel filling-foam layer 104, optical cable is enable to realize swimming on the water surface.
Further, in enhancement Layer 105 outer wrapping, the belting layer 106 that blocks water is set, the external diameter of belting layer 106 of blocking water is 6.0mm, blocking water, belting layer 106 fiber is evenly distributed, surfacing, utilize polyester as waterstop, effectively can prevent optical cable from intaking or making moist, the serviceable life of optical cable is lengthened, use cost reduces, and is suitable for more economically.
As shown in Figure 2, this outer jacket 107 is double-decker, be respectively polyurethane sheath 107a and glass layer 107b, polyurethane sheath 107a is yellow resistant to hydrolysis high-abrasive material, optical cable is very easily differentiated when floating on water, swims in for a long time in water simultaneously, polyurethane can the impulse force of effectively anti-sealing and water be hydrolyzed the corrosion of optical cable, strengthen the life-span of optical cable outer jacket 107, directly increase the serviceable life of optical cable and reduce the use cost of optical cable.And coated in the outside of polyurethane sheath 107a layer of glass layer 107b is set, glass layer 107b bites for preventing from optical cable to be placed on the water surface stung by worm for fishing, glass layer 107b is reticulate texture, while coated polyurethane sheath 107a, can also present the yellow of polyurethane sheath 107a, the diameter of outer jacket 107 is 8.6mm, namely represent that the diameter of optical cable is 8.6mm, the diameter of this optical cable is little, lightweight, improves density of optic fibre, increases the utilization factor of pipeline.
For metalloid core tubular type optical fiber ribbon cable, optical cable component wire 102 in its light unit 101 is stranded is arranged on light unit 101 center, tight shell material tight sleeve optic cable heart yearn 102, tight sleeve pipe itself has good anti-hydrolytic performance and higher intensity, filling-foam layer 104 is directly filled in outside of sleeve, because the stretch modulus of high density polyethylene is far above other elements except optical cable component wire 102, when tight sleeve optic cable heart yearn 102 is stressed, high density polyethylene and optical cable component wire 102 will be jointly stressed, reduce the strain of the stressed generation of optical cable component wire 102, effectively fracture probability stressed for optical cable component wire 102 can be reduced, ensure that optical fiber normally runs.And optical cable component wire 102 connector be made up of this structure tight sleeve optic cable heart yearn 102 is also provided with stressed property to a certain degree, tight sleeve optic cable heart yearn 102 can be made to be connected with optical cable component wire 102 and firmly to connect closely first watch.Non-metal reinforcement member 103 is arranged on optical cable component wire 102 both sides or closely wraps up optical cable component wire 102, non-metal reinforcement member 103 pairs of optical fiber play fixing reinforcement, anti-extrusion effect, and resist optical cable laying and issuable axial stress in use procedure, make optical cable have good stretch-proof function.For optical cable provides intensity, provide buffering to variation of ambient temperature.Such optic cable diameter is little, lightweight and easily lay.This optical cable meets the resistance to side pressure requirement of industry standard simultaneously; There is good bending, be easy to operation, have simultaneously and there is certain amount of deflection, avoid the possibility that optical cable occurs to bend under less tension force effect.
Embodiment two
As shown in Figure 3, the one-piece construction of the present embodiment is with reference to embodiment one, the present embodiment is different from embodiment one part and is, non-metal reinforcement member 103 is arranged on light unit 101 center, tight shell material tight sleeve optic cable heart yearn 102, tight sleeve pipe itself has good anti-hydrolytic performance and higher intensity, optical cable component wire 102 is protected, filling-foam layer 104 is directly filled in outside optical cable component wire 102, optical cable component wire 102 is successively set on the outside of non-metal reinforcement member 103, closely around non-metal reinforcement member 103, non-metal reinforcement member 103 is in light unit 101 middle position simultaneously, optical cable component wire 102 with suitable pitch around non-metal reinforcement member 103 layers strand, by regulating strand pitch, optical cable can be made to have good tensile property and temperature performance.Fill with filling-foam layer 104 between optical cable component wire 102 and non-metal reinforcement member 103 and twist together, ensure that the water resistance between optical cable component wire 102 and non-metal reinforcement member 103.This optical cable also has and produces simple, economic dispatch advantage simultaneously.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an optical cable, is characterized in that, comprises light unit and filling-foam layer, and it is outer that described filling-foam layer is coated on described smooth unit, and described filling-foam layer inside is provided with abscess, and the density of described optical cable is less than the density of water.
2. optical cable according to claim 1, is characterized in that, the high density polyethylene that described filling-foam layer is 60% ~ 80% by foam degrees foams and makes, and the external diameter of described filling-foam layer is 5.0mm.
3. optical cable according to claim 1, it is characterized in that, described smooth unit comprises non-metal reinforcement member and optical cable component wire, described optical cable component wire is 1 tight tube fiber or 2 to 4 mutual stranded tight tube fibers, it is inner that described optical cable component wire and described non-metal reinforcement member are all arranged on described smooth unit, and described optical fiber is G657A2 optical fiber.
4. optical cable according to claim 3, is characterized in that, beam tube type non-metallic optical fiber cables centered by described optical cable, and described non-metal reinforcement member is arranged on described optical cable component wire both sides or coated to be arranged on described optical cable component wire outer.
5. optical cable according to claim 3, is characterized in that, described optical cable is layer twisted type non-metal optical cable, and described non-metal reinforcement member is metalloid core reinforcement, and described optical cable component wire is arranged on the outside of described metalloid core reinforcement.
6. the optical cable according to claim 4 or 5, is characterized in that, described non-metal reinforcement member is made up of high density polyethylene.
7. optical cable according to claim 1, is characterized in that, described filling-foam layer is outer is coatedly successively provided with enhancement Layer, block water belting layer and outer jacket.
8. optical cable according to claim 7, is characterized in that, described enhancement Layer is made up of high density polyethylene, and the external diameter of described enhancement Layer is 5.4mm.
9. optical cable according to claim 7, is characterized in that, described in the belting layer that blocks water be made up of polyester belt, described in the belting layer external diameter that blocks water be 6.0mm.
10. optical cable according to claim 7, it is characterized in that, described outer jacket is double-decker, the glass layer being respectively polyurethane sheath and biting for preventing worm for fishing to sting, block water described in described polyurethane sheath is arranged on outside belting layer, described glass layer is arranged on outside described polyurethane sheath, and described glass layer is netted, the thickness of described glass layer is less than the thickness of described polyurethane sheath, and described outer jacket external diameter is 8.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532976.3U CN204832608U (en) | 2015-07-22 | 2015-07-22 | Optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532976.3U CN204832608U (en) | 2015-07-22 | 2015-07-22 | Optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN204832608U true CN204832608U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520532976.3U Expired - Fee Related CN204832608U (en) | 2015-07-22 | 2015-07-22 | Optical cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954851A (en) * | 2016-07-15 | 2016-09-21 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN108375817A (en) * | 2018-03-30 | 2018-08-07 | 江苏南方通信科技有限公司 | A kind of low-loss all dielectric lightweight cable |
| KR20180102361A (en) * | 2017-03-07 | 2018-09-17 | 엘에스전선 주식회사 | Buoyant Optical Cable |
| CN113917637A (en) * | 2021-10-26 | 2022-01-11 | 长飞光纤光缆股份有限公司 | All-dielectric optical cable and laying method thereof |
-
2015
- 2015-07-22 CN CN201520532976.3U patent/CN204832608U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954851A (en) * | 2016-07-15 | 2016-09-21 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN109856746A (en) * | 2016-07-15 | 2019-06-07 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN110007413A (en) * | 2016-07-15 | 2019-07-12 | 杭州富通通信技术股份有限公司 | A kind of butterfly optical cable |
| CN109856746B (en) * | 2016-07-15 | 2020-06-12 | 杭州富通通信技术股份有限公司 | Butterfly cable |
| CN110007413B (en) * | 2016-07-15 | 2020-10-30 | 杭州富通通信技术股份有限公司 | Butterfly-shaped optical cable |
| KR20180102361A (en) * | 2017-03-07 | 2018-09-17 | 엘에스전선 주식회사 | Buoyant Optical Cable |
| KR102431911B1 (en) * | 2017-03-07 | 2022-08-11 | 엘에스전선 주식회사 | Buoyant Optical Cable |
| CN108375817A (en) * | 2018-03-30 | 2018-08-07 | 江苏南方通信科技有限公司 | A kind of low-loss all dielectric lightweight cable |
| CN108375817B (en) * | 2018-03-30 | 2024-03-19 | 江苏南方通信科技有限公司 | Low-loss all-medium light optical cable |
| CN113917637A (en) * | 2021-10-26 | 2022-01-11 | 长飞光纤光缆股份有限公司 | All-dielectric optical cable and laying method thereof |
| CN113917637B (en) * | 2021-10-26 | 2022-11-18 | 长飞光纤光缆股份有限公司 | All-dielectric optical cable and laying method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200722 |