CN103777295B - There is the self-support cable of identification strip - Google Patents
There is the self-support cable of identification strip Download PDFInfo
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- CN103777295B CN103777295B CN201410036276.5A CN201410036276A CN103777295B CN 103777295 B CN103777295 B CN 103777295B CN 201410036276 A CN201410036276 A CN 201410036276A CN 103777295 B CN103777295 B CN 103777295B
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- identification strip
- self
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- messenger wire
- support cable
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- 241000018646 Pinus brutia Species 0.000 claims abstract description 14
- 230000002708 enhancing effect Effects 0.000 claims abstract description 14
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- 229920001179 medium density polyethylene Polymers 0.000 claims description 5
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 4
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- 239000010935 stainless steel Substances 0.000 claims description 3
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Abstract
The present invention relates to technical field of cables, especially relate to the self-support cable with identification strip; It is to be made up of the muscle of cable core, the oversheath that envelopes cable core, enhancing element, the messenger wire sheath that envelopes enhancing element, connection messenger wire sheath and oversheath; Cable core is made up of many loose sleeve pipes, protective layers being positioned at central central reinforce member, be positioned at outside central reinforce member; In pine sleeve pipe, there is optical fiber; It is characterized in that strengthening element is individual wire or fiberglass reinforced plastics, is provided with symmetrically two identification strips on messenger wire sheath, messenger wire sheath, oversheath, muscle be integrally formed and be identical material; The invention also discloses composition and the ratio of identification strip. The present invention has following main beneficial effect: messenger wire sheath THICKNESS CONTROL is more convenient, the more smooth rounding of messenger wire sheath, production speed are faster, qualification rate is higher; Lighter, the applicable span of optical cable deadweight is longer, and the color of identification strip is more stable.
Description
Technical field
The present invention relates to technical field of cables, especially relate to the self-support cable with identification strip.
Background technology
Self-support cable is most of to be laid for built on stilts, due to the load function admirable of himself, therefore do not need extraSteel strand wires support just can realize laying of cable, normally that cable is fixing on the fixture at shaft tower place, and in phaseBetween adjacent shaft tower, be freely to place. But along with the develop rapidly of communication industry, the number of cables between shaft tower sharply increasesAdd, owing to being not easy to distinguish, therefore brought great trouble to maintenance. For this reason, carry out a large amount of research both at home and abroad, bulletinNumber for CN202196211U, name are called the 8-shaped self-support aerial cable of surface band vitta, comprise optical cable core and oversheath,In having in cable core, establish loose sleeve pipe, the central reinforce member of optical fiber and fine cream, be provided with by steel wire and sheath thereof in a side of oversheathForm supporting part, between oversheath and steel wire sheath, be provided with suspender belt and be connected, the cross section of cable is 8-shaped, oversheath withSteel wire jacket surface is provided with one or several vitta, and it can distinguish different according to the color of its surperficial vitta and quantityOptical cable, facilitates the maintenance of optical cable, ensures the normal use of optical cable. Notification number is the light that CN202256824U, name are called tape identificationCable wrap is drawn together sheath and is coated on the optical fiber extending in the same way with sheath in described sheath, and the surface of sheath is along its bearing of trend one bodily formBecome to have mark vitta, can very easily in numerous optical cables, find required optical cable by mark vitta, easy to identify, be convenient to repairing, safeguard;And two or more mark vitta combinations and width, thickness and the position relationship each other of vitta can be entered optical cableLine identifier, can identify more optical cable. Above-mentioned document discloses the identification strip of optical cable identification really, still, there is followingCommon defect: (1) adopts stranded steel wire to realize self-supporting as the reinforcement of messenger wire part, although reached larger holding capacityFunction, still, the sheath outside stranded steel wire is extremely rough, the sheath performance of optical cable is extremely undesirable; It is smooth essential to accomplishGreatly increase the thickness of sheath, increased like this weight and the cost of optical cable, the span of optical cable is shortened. (2) certificate is in above-mentioned (1)Defect, the thickness of the identification strip on messenger wire sheath is restive, therefore the quality of product is extremely unstable, speed of production is suitableSlowly. In addition, the unsettled phenomenon of identification strip ubiquity color of the prior art, in south east asia, optical cable applies built on stiltsIf after 1 year, there is to some extent the phenomenon that identification strip fades, affect the accurate use of mark.
Summary of the invention
For addressing the above problem, the present invention discloses a kind of self-support cable with identification strip, and it can make optical cable appearanceMore the width of smooth, the identification strip of rounding and thickness can be controlled more accurately, in optical cable from load reinforcement messenger wire sheathMaterial consumption still less, the outside dimension of optical cable speed of production less, optical cable is faster, identification strip is more stable; It is below adoptingTechnical scheme realizes.
Have the self-support cable of identification strip, it is by cable core, the oversheath 6 that envelopes cable core, enhancing element 8, coatedFirmly strengthen element messenger wire sheath 9, connect that the muscle 7 of messenger wire sheath and oversheath forms; Cable core adds by being positioned at central centerStrong part 1, be positioned at many loose sleeve pipes 2 outside central reinforce member, the protective layer 5 that envelopes many loose sleeve pipes forms; In pine sleeve pipeThere is at least one optical fiber 4; It is characterized in that: strengthening element is individual wire or fiberglass reinforced plastics, and messenger wire protectsOn layer, be provided with symmetrically two identification strips 10, messenger wire sheath, oversheath, muscle be integrally formed and be identical material.
The self-support cable with identification strip described above, is characterized in that in described cable core, many pine covers be aroundCentral reinforce member is stranded; Stranded mode is that spiral is stranded or forward and reverse stranded.
Have the self-support cable of identification strip, it is by cable core, the oversheath 6 that envelopes cable core, enhancing element 8, coatedFirmly strengthen element messenger wire sheath 9, connect that the muscle 7 of messenger wire sheath and oversheath forms; Cable core is by central central reinforce member1, be positioned at least one gasket for packing 3 outside central reinforce member and many loose sleeve pipes 2, envelope the protection of gasket for packing and loose sleeve pipeLayer 5 forms; In pine sleeve pipe, there is at least one optical fiber 4; It is characterized in that: strengthening element is individual wire or glass fibreReinforced plastics, is provided with two identification strips 10 symmetrically on messenger wire sheath, messenger wire sheath, oversheath, muscle be integrally formed andIt is identical material.
The self-support cable with identification strip described above, is characterized in that in described cable core, gasket for packing and many pinesCover is stranded around central reinforce member; Stranded mode is that spiral is stranded or forward and reverse stranded.
The self-support cable with identification strip described above, the thickness that it is characterized in that described identification strip be 0.2mm～1.0mm。
The self-support cable with identification strip described above, is characterized in that on described oversheath, having mark band 11.
The self-support cable with identification strip described above, the thickness that it is characterized in that described mark band be 0.2mm～1.0mm。
The self-support cable with identification strip described above, is characterized in that described enhancing element is phosphatization steel wire or platingZinc steel wire.
The self-support cable with identification strip described above, the material that it is characterized in that described oversheath is that low-density is poly-Ethene or medium density polyethylene or high density polyethylene (HDPE) or low-smoke non-halogen flame-retardant polyethylene.
The self-support cable with identification strip described above, the material that it is characterized in that described central reinforce member is steel wireOr fiberglass reinforced plastics.
The self-support cable with identification strip described above, the material that it is characterized in that described gasket for packing be polypropylene orPolyethylene.
The self-support cable with identification strip described above, is characterized in that the material of described loose sleeve pipe is for gathering benzene twoFormic acid butanediol ester or modified polypropene.
The self-support cable with identification strip described above, is characterized in that described optical fiber is single-mode fiber or manyMode fiber.
The self-support cable with identification strip described above, the material that it is characterized in that described protective layer be waterstop orNonwoven or fiberglass reinforced plastics band or aluminium-plastic tape or composite steel-plastic belt or stainless steel band.
The self-support cable with identification strip described above, is characterized in that along the direction of oversheath extension, described muscleFor what intermittently distribute.
The self-support cable with identification strip described above, is characterized in that described identification strip is by following weight portionRaw material forms: material 90～95 part, commercial polyethylene color masterbatch 2～3 part, titanium dioxide 6～8 part, the city identical with oversheathSell model and be 1010 0.3～0.8 part of antioxidant, 1.7～3 parts of natural paraffin waxs.
The self-support cable with identification strip described above, is characterized in that described mark band can be and identification strip phaseSame raw material.
In the present invention, owing to having adopted non-stranded single enhancing element, therefore, the messenger wire sheath of optical cable is to do yesterday thinnerSituation under, messenger wire sheath can also be accomplished smooth rounding; THICKNESS CONTROL is more convenient, product qualified rate is high and speed of production is fast;Because the wall thickness of messenger wire sheath can be relatively thin, therefore, the material consumption of messenger wire sheath can reduce effectively, therefore can be effectivelyReduce the deadweight of optical cable, can effectively increase the span of fiber cable laying. Because identification strip and/or mark band have adopted special joiningSide, therefore, the moulding of identification strip is more convenient, and color stability is higher.
Therefore, the present invention has following main beneficial effect: messenger wire sheath THICKNESS CONTROL is more convenient, messenger wire sheath is more smoothRounding, production speed are faster, qualification rate is higher; Lighter, the applicable span of optical cable deadweight is longer, and the color of identification strip is more steadyFixed.
Brief description of the drawings
Fig. 1 is the perspective view of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of this Fig. 1.
Fig. 3 is the perspective view of the invention process example 2.
Fig. 4 is the cross-sectional structure schematic diagram of this Fig. 3.
Fig. 5 is the cross-sectional structure schematic diagram of the invention process example 3.
Fig. 6 is the cross-sectional structure schematic diagram of the invention process example 4.
Detailed description of the invention
In order to make field, place personnel understand more fully the present invention, the concrete embodiment of existing combination is done in further detailIllustrate, name corresponding to each mark in figure is called: 1-central reinforce member, and 2-loose sleeve pipe, 3-gasket for packing, 4-optical fiber,5-protective layer, 6-oversheath, 7-muscle, 8-enhancing element, 9-messenger wire sheath, 10-identification strip, 11-mark band.
Embodiment 1
Ask for an interview Fig. 1 and Fig. 2, have the self-support cable of identification strip, it is by cable core, the oversheath 6 that envelopes cable core, increasingThe muscle 7 of strong element 8, the messenger wire sheath 9 that envelopes enhancing element, connection messenger wire sheath and oversheath forms; Cable core is by central authoritiesCentral reinforce member 1, be positioned at gasket for packing 3 outside central reinforce member and two loose sleeve pipes 2, envelope gasket for packing and pine coverThe protective layer 5 of pipe forms; In every loose sleeve pipe, there is six roots of sensation optical fiber 4; It is characterized in that: strengthening element is single phosphatization steelSilk, on messenger wire sheath, be provided with symmetrically two identification strips 10, messenger wire sheath, oversheath, muscle be integrally formed and be identicalMaterial; Gasket for packing and many pine covers are stranded around central reinforce member; The thickness of identification strip is 0.5mm; The material of oversheathMaterial is medium density polyethylene; The material of central reinforce member is steel wire; The material of gasket for packing is polypropylene; The material of pine sleeve pipe is for poly-Mutual-phenenyl two acid bromide two alcohol ester; Optical fiber is single-mode fiber; The material of protective layer is waterstop; Identification strip is by following weightThe raw material of part forms: material 90 part, commercial polyethylene color masterbatch 2 part, the titanium dioxide 6 part identical with oversheath, commercially available modelBe 1010 0.3 part of antioxidant, 1.7 parts of natural paraffin waxs.
Embodiment 2
Ask for an interview Fig. 3 and Fig. 4, and with reference to figure 1 and Fig. 2, there is the self-support cable of identification strip, substantially with embodiment 1, noBe with part: gasket for packing 3 has three, loose sleeve pipe 2 has two; Identification strip is to be made up of the raw material of following weight portion: with outward8 parts of 3 parts of 95 parts of materials, commercial polyethylene color masterbatches, the titanium dioxides that sheath is identical, the antioxidant 0.8 that commercially available model is 10103 parts of part, natural paraffin waxs.
Embodiment 3
Ask for an interview Fig. 5, and with reference to figure 3 and Fig. 4, there is the self-support cable of identification strip, substantially with embodiment 2, differenceBe in: gasket for packing 3 has two, and loose sleeve pipe 2 has three; Identification strip is to be made up of the raw material of following weight portion: with oversheath0.6 part of antioxidant that 7 parts identical of 1.5 parts of 93 parts of materials, commercial polyethylene color masterbatches, titanium dioxides, commercially available model are 1010,2 parts of natural paraffin waxs.
Embodiment 4
Ask for an interview Fig. 6, and with reference to figure 3 to Fig. 5, there is the self-support cable of identification strip, substantially with embodiment 2, differenceBe in: on described oversheath, there is mark band 11, mark band be positioned at oversheath under; Mark band is identical with identification stripMaterial.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, it can also be by cable core,Envelope oversheath 6, enhancing element 8, the messenger wire sheath 9 that envelopes enhancing element, connection messenger wire sheath and the oversheath of cable coreMuscle 7 form; Cable core by being positioned at central central reinforce member 1, be positioned at many loose sleeve pipes 2 outside central reinforce member, coatedThe protective layer 5 of living many loose sleeve pipes forms; In pine sleeve pipe, there is at least one optical fiber 4; It is characterized in that: strengthening element isIndividual wire or fiberglass reinforced plastics, be provided with two identification strips 10 symmetrically on messenger wire sheath, messenger wire sheath, oversheath,Muscle be integrally formed and be identical material.
Certainly, further, the self-support cable with identification strip described above, is characterized in that in described cable core,Many pine covers are stranded around central reinforce member; Stranded mode is that spiral is stranded or forward and reverse stranded.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, it is by cable core, envelopesMuscle 7 structures of oversheath 6, enhancing element 8, the messenger wire sheath 9 that envelopes enhancing element, connection messenger wire sheath and the oversheath of cable coreBecome; Cable core by central central reinforce member 1, be positioned at least one gasket for packing 3 and many loose sleeve pipes outside central reinforce member2, the protective layer 5 that envelopes gasket for packing and loose sleeve pipe forms; In pine sleeve pipe, there is at least one optical fiber 4; It is characterized in that:Strengthening element is individual wire or fiberglass reinforced plastics, is provided with symmetrically two identification strips 10 on messenger wire sheath, and messenger wire protectsLayer, oversheath, muscle be integrally formed and be identical material.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described cableIn core, gasket for packing and many pine covers are stranded around central reinforce member; Stranded mode is that spiral is stranded or forward and reverseStranded.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described markThe thickness of knowing bar is 0.2mm～1.0mm.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, it is characterized in that described outsideOn sheath, all can have mark band 11, and mark band position is as long as on oversheath, the number of mark band is not limited toArticle one.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described markThe thickness of knowing band is 0.2mm～1.0mm.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described increasingStrong element is phosphatization steel wire or zinc-coated wire.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, it is characterized in that described outsideThe material of sheath is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low-smoke non-halogen flame-retardant polyethylene.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, it is characterized in that described inThe material of heart reinforcement is steel wire or fiberglass reinforced plastics.
Certainly, the self-support cable with identification strip described in above-mentioned embodiment 2-embodiment 4, its feature existsBe polypropylene or polyethylene in the material of described gasket for packing.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described pineThe material of sleeve pipe is polybutylene terephthalate (PBT) or modified polypropene.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described lightLeading fiber is single-mode fiber or multimode fibre.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described guarantorThe material of sheath is waterstop or nonwoven or fiberglass reinforced plastics band or aluminium-plastic tape or composite steel-plastic belt or stainlessSteel band.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that along protecting outwardThe direction that cover extends, described muscle is interrupted distribution; The interrupted consumption that distributes and saved material on the one hand of muscle, falls on the other handThe low deadweight of optical cable; Make on the one hand optical cable in the time that appearance is bad, messenger wire is more easily peeled off again, and makes oversheath and cable core and is weighedMultiple utilization, and when muscle continuous distributed, in optical cable in the time there is bad order, messenger wire is difficult to peel off, and oversheath and cable core are difficult to by heavyMultiple utilization.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described markKnowing bar is to be made up of the raw material of following weight portion: the material 90～95 part identical with oversheath, commercial polyethylene color masterbatch 2～0.3～0.8 part of antioxidant, 1.7～3 parts of natural paraffin waxs that 3 parts, 6～8 parts of titanium dioxides, commercially available model are 1010.
It is right that applicant has carried out for embodiment 1 to embodiment 4 and the optical cable with identification strip of the prior artThan test, result of the test is as follows.
| Pilot project | Prior art sample | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| By the salt spray test of GB5589.5 requirement | Do not pass through | Pass through | Pass through | Pass through | Pass through |
| 100% humidity, 50 DEG C | After 163 days, start to fade, within 245 days, becomeBecome white | After 1120 days, start to fade, within 1292 days, become whiteLook | After 1218 days, start to fade, within 1340 days, become whiteLook | Within 1520 days, have no and take offLook | Within 1520 days, have no and take offLook |
| By GB/T2951.2, optical cable is carried out to heat ageing | Do not pass through | Pass through | Pass through | Pass through | Pass through |
Can obviously find out from upper table, it is steady that the identification strip of employing the present invention formula and/or mark band have good colorQualitative and salt fog resistance and heat aging property.
Certainly, the self-support cable with identification strip described in above-mentioned arbitrary embodiment, is characterized in that described markKnowing band can be the raw material identical with identification strip.
The invention process example 1 is to embodiment 4, speed of production has all reached 80 ms/min, does not occur bad orderPhenomenon; And in prior art, the speed of producing this optical cable is less than 25 ms/min and bad order rate and is greater than 18%; With prior artCompare, because the core of optical cable is counted difference, therefore the external diameter of optical cable is also different, and with comparing of core number, the total height of optical cable reduces15%-30%, the overall weight of optical cable alleviated 11%-18%.
In the present invention, owing to having adopted non-stranded single enhancing element, therefore, the messenger wire sheath of optical cable is to do yesterday thinnerSituation under, messenger wire sheath can also be accomplished smooth rounding; THICKNESS CONTROL is more convenient, product qualified rate is high and speed of production is fast;Because the wall thickness of messenger wire sheath can be relatively thin, therefore, the material consumption of messenger wire sheath can reduce effectively, therefore can be effectivelyReduce the deadweight of optical cable, can effectively increase the span of fiber cable laying. Because identification strip and/or mark band have adopted special joiningSide, therefore, the moulding of identification strip is more convenient, and color stability is higher.
Therefore, the present invention has following main beneficial effect: messenger wire sheath THICKNESS CONTROL is more convenient, messenger wire sheath is more smoothRounding, production speed are faster, qualification rate is higher; Lighter, the applicable span of optical cable deadweight is longer, and the color of identification strip is more steadyFixed.
The present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other all shapesFormula is implemented to use, and they drop in protection scope of the present invention equally.
Claims (10)
1. the self-support cable with identification strip, is characterized in that: comprise cable core, envelope the oversheath of cable core, by single steelThe enhancing element that silk or fiberglass reinforced plastics are made, the messenger wire sheath that envelopes enhancing element, connection messenger wire sheath are with outerThe muscle of sheath; Described cable core by being positioned at central central reinforce member, be positioned at many loose sleeve pipes outside central reinforce member, envelopeThe protective layer of many loose sleeve pipes forms; In pine sleeve pipe, there is at least one optical fiber; On messenger wire sheath, be provided with symmetrically twoIdentification strip, the messenger wire sheath of described same material, oversheath, muscle are integrally formed; Described identification strip is by following weight portionRaw material forms: 90～95 parts of medium density polyethylenes, 2～3 parts of polyethylene color masterbatch, 6～8 parts of titanium dioxides, antioxidant 0.3～1.7～3 parts of 0.8 parts, natural paraffin wax.
2. the self-support cable with identification strip according to claim 1, is characterized in that in described cable core, many pine coversStranded around central reinforce member; Stranded mode is that spiral is stranded or forward and reverse stranded.
3. the self-support cable with identification strip according to claim 1, is characterized in that: described cable core is by central authoritiesHeart reinforcement, be positioned at least one gasket for packing outside central reinforce member and many loose sleeve pipes, envelope gasket for packing and loose sleeve pipeProtective layer form.
4. the self-support cable with identification strip according to claim 3, is characterized in that in described cable core, gasket for packing withMany pine covers are stranded around central reinforce member; Stranded mode is that spiral is stranded or forward and reverse stranded.
5. according to the self-support cable with identification strip described in claim 1 to 4 any one, it is characterized in that described outer protectingPut and there is mark band.
6. according to the self-support cable with identification strip described in claim 1 to 4 any one, it is characterized in that described markThe thickness of bar is 0.2mm～1.0mm.
7. the self-support cable with identification strip according to claim 5, is characterized in that the thickness of described mark band is0.2mm～1.0mm。
8. according to the self-support cable with identification strip described in claim 1 to 4 any one, it is characterized in that described enhancingElement is phosphatization steel wire or zinc-coated wire; The material of described central reinforce member is steel wire or fiberglass reinforced plastics.
9. according to the self-support cable with identification strip described in claim 1 to 4 any one, it is characterized in that described outer protectingThe material of cover is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low-smoke non-halogen flame-retardant polyethylene; Described pineThe material of sleeve pipe is polybutylene terephthalate (PBT) or modified polypropene; Described optical fiber is single-mode fiber or multimode lightFine; The material of described protective layer is that waterstop or nonwoven or fiberglass reinforced plastics band or aluminium-plastic tape or steel are moulded compoundBand or stainless steel band.
10. according to the self-support cable with identification strip described in claim 1 to 4 any one, it is characterized in that along protecting outwardThe direction that cover extends, described muscle is interrupted distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036276.5A CN103777295B (en) | 2014-01-26 | 2014-01-26 | There is the self-support cable of identification strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410036276.5A CN103777295B (en) | 2014-01-26 | 2014-01-26 | There is the self-support cable of identification strip |
Related Child Applications (20)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610259907.9A Division CN105676394A (en) | 2014-01-26 | 2014-01-26 | Electric optical cable |
| CN201610259906.4A Division CN105717595A (en) | 2014-01-26 | 2014-01-26 | Communication optical cable easy to identify |
| CN201610259914.9A Division CN105676396A (en) | 2014-01-26 | 2014-01-26 | Self-bearing type optical cable for electric tower |
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| CN201610259902.6A Division CN105717594A (en) | 2014-01-26 | 2014-01-26 | Self-supporting communication optical cable easy to identify |
| CN201610259910.0A Division CN105700098A (en) | 2014-01-26 | 2014-01-26 | Night vision optical cable |
| CN201610259901.1A Division CN105676393A (en) | 2014-01-26 | 2014-01-26 | Salt-fog-resistant optical cable for electric tower |
| CN201610259877.1A Division CN105739036A (en) | 2014-01-26 | 2014-01-26 | Overhead optical cable |
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| CN103777295A CN103777295A (en) | 2014-05-07 |
| CN103777295B true CN103777295B (en) | 2016-05-25 |
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| CN201410036276.5A Active CN103777295B (en) | 2014-01-26 | 2014-01-26 | There is the self-support cable of identification strip |
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|---|---|---|---|---|
| CN105676393A (en) * | 2014-01-26 | 2016-06-15 | 王和根 | Salt-fog-resistant optical cable for electric tower |
| CN104062727A (en) * | 2014-06-23 | 2014-09-24 | 江苏亨通光电股份有限公司 | Light small-cable-diameter 8-shaped self-supporting optical cable |
| CN106098228A (en) * | 2014-08-27 | 2016-11-09 | 周杰 | A kind of power cable |
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| CN105655039A (en) * | 2014-08-27 | 2016-06-08 | 沈群华 | Light-emitting type cable |
| CN108345077A (en) * | 2018-05-08 | 2018-07-31 | 苏州暖人心热水器电子科技有限公司 | A kind of nonmetallic self-support cable |
| CN113721334B (en) * | 2021-08-30 | 2023-12-15 | 深圳市特发信息光网科技股份有限公司 | Optical fiber lead-in cable, manufacturing mold, manufacturing method and air tightness testing method thereof |
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