CN102928938B - Emergency optical cable - Google Patents
Emergency optical cable Download PDFInfo
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- CN102928938B CN102928938B CN201210467326.6A CN201210467326A CN102928938B CN 102928938 B CN102928938 B CN 102928938B CN 201210467326 A CN201210467326 A CN 201210467326A CN 102928938 B CN102928938 B CN 102928938B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- 230000002787 reinforcement Effects 0.000 claims abstract description 87
- 239000013307 optical fiber Substances 0.000 claims abstract description 60
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 229920002292 Nylon 6 Polymers 0.000 claims abstract description 9
- 229920000305 Nylon 6,10 Polymers 0.000 claims abstract description 8
- 229920002302 Nylon 6,6 Polymers 0.000 claims abstract description 8
- 238000004383 yellowing Methods 0.000 claims abstract description 8
- 229940124543 ultraviolet light absorber Drugs 0.000 claims abstract description 7
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 29
- 238000012856 packing Methods 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004800 polyvinyl chloride Substances 0.000 claims description 11
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 11
- 239000011152 fibreglass Substances 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000013308 plastic optical fiber Substances 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 2
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- 238000009413 insulation Methods 0.000 claims description 2
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- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 abstract 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 abstract 1
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Images
Abstract
The invention relates to the optical cable technical field, in particular to an emergency optical cable. The emergency optical cable is characterized by comprising two optical fibers (1), one inner reinforcement member (2), an outer reinforcement member (3) and a sheathing layer (5), wherein the optical fiber and the inner reinforcement member are arranged in parallel to each other, the outer reinforcement member is arranged outside the optical fiber and the inner reinforcement member, the sheathing layer is coated outside the outer reinforcement member; the optical fiber and the inner reinforcement member are tangential to each other or arranged with a small gap; the sheathing layer is made from the following raw materials in parts by weight: 98-99 parts of polyamide 6 or polyamide 66 or polyamide 610, 0.5-1 part of antioxidant1010 or antioxidant626 or antioxidant330, 0.05-0.2 part of KT-023 anti-yellowing agent, and 0.05-0.3 part of N-537 ultraviolet light absorber. The emergency optical cable has the beneficial effects of thinner outer diameter, lighter weight, lower cost and easier portability.
Description
Technical field
the present invention relates to optical cable technology field, especially a kind of relief cable.
Background technology
along with the develop rapidly of communication industry, optical cable is used in a large number.Yet, for television relay, speedily carry out rescue work, the multiple occasion such as rescue, in order to guarantee the quality of the unimpeded of communication and communication, usually need relief cable.
prior art Zhong， People's Republic of China (PRC) electricity in industry standard SJ 51428, stipulated some relief cables, it by optical fiber, fill out core, aramid fiber, sheath and form, aramid fiber is round member.Therefore this optical cable is because external diameter slightly is still not easy to carry.
Summary of the invention
in order to address the above problem, the present invention discloses a kind of relief cable, and it is realized by the following technical solutions.
a relief cable, is characterized in that it includes two optical fiber 1, interior reinforcement 2, outer reinforcement 3 and a restrictive coating 5, and optical fiber is positioned at outside optical fiber and reinforcement with the parallel placement of interior reinforcement, outer reinforcement, and restrictive coating is coated on outside outer reinforcement; Described optical fiber and interior reinforcement be tangent or placement slightly with gap between two.
relief cable described above, is placed with material water-proof material 6 in the interval that it is characterized in that forming in optical fiber, interior reinforcement, outer reinforcement.
a kind of relief cable, it is characterized in that it includes the interior reinforcement of an optical fiber 1, one 2, gasket for packing 7, outer reinforcement 3 and a restrictive coating 5, optical fiber, interior reinforcement, placement parallel with gasket for packing, outer reinforcement is positioned at outside optical fiber, reinforcement and gasket for packing, and restrictive coating is coated on outside outer reinforcement; Described optical fiber, interior reinforcement, gasket for packing three be tangent or placement slightly with gap between two.
relief cable described above, is placed with material water-proof material 6 in the interval that it is characterized in that forming in optical fiber, interior reinforcement, gasket for packing, outer reinforcement.
relief cable described above, is characterized in that outer reinforcement is coated with moisture-proof layer 4, and restrictive coating is positioned at outside moisture-proof layer.
relief cable described above, is characterized in that described optical fiber is tight tube fiber, and described tight tube fiber inside is true qualities bare fibre or colored optical fiber, and outside is Polyvinylchloride sheath; Or described tight tube fiber inside is true qualities bare fibre or colored optical fiber, and middle part is Polyvinylchloride sheath, and outside is Polyvinylchloride sheath; Or described tight tube fiber is true qualities bare fibre or colored optical fiber.
further, relief cable described above, is characterized in that described true qualities bare fibre or colored optical fiber are single mode silica fibre or multimode silica fibre or plastic optical fiber.
relief cable described above, is characterized in that described interior reinforcement is fiberglass-reinforced plastic lever.
further, relief cable described above, is characterized in that described interior reinforcement is GFRP or KFRP or DFRP.
relief cable described above, is characterized in that described outer reinforcement is aramid fiber yarn or glass fiber reinforced plastics band or poly-to the two oxazole fibers of benzo benzo.
relief cable described above, is characterized in that described material water-proof material is water blocking yarn or water-proofing powder.
relief cable described above, the material that it is characterized in that described gasket for packing is PP or PE.
relief cable described above, the material that it is characterized in that described restrictive coating is polyamide or low smoke and zero halogen plastics.
relief cable described above, is characterized in that described moisture-proof layer is waterstop or nonwoven fabrics or polyester belt, and described moisture-proof layer is that the mode with spiral is wrapped in outer reinforcement, and the thickness of described moisture-proof layer is 0.1mm-0.6mm.
in the present invention, owing to having adopted said structure, therefore compare with the optical cable of regulation in SJ 51428, external diameter obviously reduces, and optical cable weight obviously reduces, and under being in an emergency, repairing or maintainer can transport, lay optical cable more effortlessly.Meanwhile, fixed communication network can be extended to emergency communication place.
optical cable in the present invention can be used for repairing optical cable, live television coverage, mining, oil field and multiple sensors.
therefore, the present invention has following beneficial effect: external diameter is thinner, weight is lighter, cost is lower, more portable.
Accompanying drawing explanation
fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1.
fig. 2 is the cross-sectional structure schematic diagram of the invention process example 2.
fig. 3 is the cross-sectional structure schematic diagram of the invention process example 3.
fig. 4 is the cross-sectional structure schematic diagram of the invention process example 4.
Embodiment
ask for an interview Fig. 1, a relief cable, is characterized in that it includes two optical fiber 1, interior reinforcement 2, outer reinforcement 3 and a restrictive coating 5, optical fiber and the parallel placement of interior reinforcement, outer reinforcement is positioned at outside optical fiber and reinforcement, and restrictive coating is coated on outside outer reinforcement; Described optical fiber and interior reinforcement be tangent or placement slightly with gap between two; Described optical fiber is tight tube fiber, and described tight tube fiber inside is colored optical fiber, and outside is Polyvinylchloride sheath; Described colored optical fiber is single mode silica fibre; Described interior reinforcement is fiberglass-reinforced plastic lever; Described outer reinforcement is aramid fiber yarn; The material of described restrictive coating is polyamide.
in this embodiment, the nominal diameter of optical fiber 1 is 0.8mm, the nominal diameter of interior reinforcement is 0.8mm, in the situation that requiring equally the relay of 1500N short-term, outer reinforcement thickness is 0.2mm, restrictive coating thickness is 0.4mm, and in the situation that optical fiber 1 and interior reinforcement are tangent, the diameter of relief cable is 2.8mm left and right; Weight is about 7kg/km.
and in prior art, the nominal diameter of optical fiber 1 is 0.8mm, the nominal diameter of interior reinforcement is 0.8mm, in the situation that requiring equally the relay of 1500N short-term, outer reinforcement thickness need to be 0.3mm, restrictive coating thickness is 0.4mm, and in the situation that optical fiber 1 and interior reinforcement are tangent, the diameter of relief cable is 3.1mm left and right; Weight is about 8.5kg/km.
although comparing, both have only reduced 1.5kg,, when length is 2km, affix connecton layout etc., the weight of 3kg is in the situation that bearing a heavy burden, and the present invention has obvious advantage, can keep better the muscle power of negative severe one, and therefore more square example is carried.
ask for an interview Fig. 2, a kind of relief cable, substantially with embodiment 1, is placed with material water-proof material 6 in the interval that difference is to form in optical fiber, interior reinforcement, outer reinforcement; Described material water-proof material is water blocking yarn.
the use of material water-proof material, can make optical cable aborning and use in effectively stop the diffusion of moisture, guarantee that the optical property of optical cable is not affected on a large scale.
ask for an interview Fig. 3, a kind of relief cable, it is characterized in that it includes the interior reinforcement of an optical fiber 1, one 2, gasket for packing 7, outer reinforcement 3 and a restrictive coating 5, optical fiber, interior reinforcement, placement parallel with gasket for packing, outer reinforcement is positioned at outside optical fiber, reinforcement and gasket for packing, and restrictive coating is coated on outside outer reinforcement; Described optical fiber, interior reinforcement, gasket for packing three be tangent or placement slightly with gap between two; Described optical fiber is tight tube fiber, and described tight tube fiber inside is colored optical fiber, and outside is Polyvinylchloride sheath; Described colored optical fiber is single mode silica fibre; Described interior reinforcement is fiberglass-reinforced plastic lever; Described outer reinforcement is aramid fiber yarn; The material of described restrictive coating is polyamide; The material of described gasket for packing is PP.
as improvement, relief cable described above, also can be placed with material water-proof material 6 in the interval that it is characterized in that forming in optical fiber, interior reinforcement, gasket for packing, outer reinforcement.
the material of gasket for packing certainly, described above also can be PE.
ask for an interview Fig. 4, a kind of relief cable, substantially with embodiment 1, difference is that outer reinforcement is coated with moisture-proof layer 4, restrictive coating is positioned at outside moisture-proof layer; Described moisture-proof layer is polyester belt, and moisture-proof layer is that the mode with spiral is wrapped in outer reinforcement, and the thickness of moisture-proof layer is 0.2mm.
the use of moisture-proof layer, can prevent the quick infiltration of moisture when optical cable is scratched on the one hand; Make on the other hand optical cable there is better bending resistance.
certainly, the material water-proof material in the invention process example 2 can also be used in embodiment 3 and embodiment 4.
certainly, the moisture-proof layer in the invention process example 4 can also be used in embodiment 1 to embodiment 3.
relief cable described in above-mentioned arbitrary embodiment, is characterized in that described optical fiber can be tight tube fiber, and described tight tube fiber inside is true qualities bare fibre or colored optical fiber, and outside is Polyvinylchloride sheath; Or described tight tube fiber inside is true qualities bare fibre or colored optical fiber, and middle part is Polyvinylchloride sheath, and outside is Polyvinylchloride sheath; Or described tight tube fiber is true qualities bare fibre or colored optical fiber.
further, relief cable described above, is characterized in that described true qualities bare fibre or colored optical fiber are single mode silica fibre or multimode silica fibre or plastic optical fiber.
relief cable described in above-mentioned arbitrary embodiment, is characterized in that described interior reinforcement is fiberglass-reinforced plastic lever.
further, relief cable described above, is characterized in that described interior reinforcement is GFRP or KFRP or DFRP.
relief cable described in above-mentioned arbitrary embodiment, is characterized in that described outer reinforcement is aramid fiber yarn or glass fiber reinforced plastics band or poly-to the two oxazole fibers of benzo benzo.
relief cable described in above-mentioned arbitrary embodiment, is characterized in that described material water-proof material is water blocking yarn or water-proofing powder.
relief cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that described restrictive coating is polyamide or low smoke and zero halogen plastics.
certainly, the relief cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that described restrictive coating is polyamide 6 or polyamide 66 or polyamide 610.
further, the relief cable described in above-mentioned arbitrary embodiment, is characterized in that described restrictive coating is to be made by the starting material of following parts by weight:
through repetition test, applicant finds that adopting parts by weight is polyamide 6 or polyamide 66 or polyamide 610: the antioxidant that 98.5 parts, model are 330: the dewatering agent that 0.8 part, model are BF-5: the anti-yellowing change agent that 0.1 part, model are KT-023: the ultraviolet light absorber that 0.4 part, model are N-537: during the formula of 0.2 part, can reach optimum processing characteristics and optimal appearance luster stability.
the restrictive coating formula that applicant adopts following weight to make: polyamide 6 is that antioxidant that 98.5kg, model are 330 is that dewatering agent that 0.8 kg, model are BF-5 is that the ultraviolet light absorber that anti-yellowing change agent that 0.1 kg, model are KT-023 is N-537 into 0.4 kg, model is 0.2 kg, on SJ90 sheath extruding machine, carry out extrusion molding, the optical cable outward appearance being produced into is vivid, smooth, without any bubble;-70 ℃ ,-60 ℃ ,-40 ℃ ,-20 ℃, 0 ℃ ,+20 ℃ ,+40 ℃ ,+60 ℃, the insulation of+70 ℃ of each temperature spots 24 hours, all to finish be a temperature cycles to point, after 50 circulations, restrictive coating surface is without any the visible macula lutea of eyesight.The invention solves in prior art, adopt simple polyamide 6 or polyamide 66 or polyamide 610 to process after restrictive coating, product appearance is unstable, and there are the problems such as bubble on color and luster yellowing, surface.
relief cable described in above-mentioned arbitrary embodiment, is characterized in that described moisture-proof layer can be waterstop or nonwoven fabrics or polyester belt, and described moisture-proof layer is that the mode with spiral is wrapped in outer reinforcement, and the thickness of described moisture-proof layer is 0.1mm-0.6mm.
further, relief cable described above, it is characterized in that described moisture-proof layer is to have being each other wrapped in outer reinforcement of overlap joint, and the width of overlap joint is 2mm-4mm.
in the present invention, owing to having adopted said structure, therefore compare with the optical cable of regulation in SJ 51428, external diameter obviously reduces, and optical cable weight obviously reduces, and under being in an emergency, repairing or maintainer can transport, lay optical cable more effortlessly.Meanwhile, fixed communication network can be extended to emergency communication place.
optical cable in the present invention can be used for repairing optical cable, live television coverage, mining, oil field and multiple sensors.
Claims (10)
1. a relief cable, it is characterized in that it includes two optical fiber (1), an interior reinforcement (2), outer reinforcement (3) and restrictive coating (5), optical fiber is positioned at outside optical fiber and reinforcement with the parallel placement of interior reinforcement, outer reinforcement, and restrictive coating is coated on outside outer reinforcement; Described optical fiber and interior reinforcement be tangent or placement slightly with gap between two; Described restrictive coating is to be made by the starting material of following parts by weight: polyamide 6 or polyamide 66 or polyamide 610: 98-99 parts, model are 1010 or 626 or 330 antioxidant: the dewatering agent that 0.5-1 part, model are BF-5: the anti-yellowing change agent that 0.05-0.2 part, model are KT-023: the ultraviolet light absorber that 0.1-0.5 part, model are N-537: 0.05-0.3 part.
2. relief cable according to claim 1, is placed with material water-proof material (6) in the interval that it is characterized in that forming in optical fiber, interior reinforcement, outer reinforcement.
3. a relief cable, it is characterized in that it includes an optical fiber (1), an interior reinforcement (2), a gasket for packing (7), outer reinforcement (3) and restrictive coating (5), optical fiber, interior reinforcement, placement parallel with gasket for packing, outer reinforcement is positioned at outside optical fiber, reinforcement and gasket for packing, and restrictive coating is coated on outside outer reinforcement; Described optical fiber, interior reinforcement, gasket for packing three be tangent or placement slightly with gap between two; Described restrictive coating is to be made by the starting material of following parts by weight: polyamide 6 or polyamide 66 or polyamide 610: the antioxidant that 98.5 parts, model are 330: the dewatering agent that 0.8 part, model are BF-5: the anti-yellowing change agent that 0.1 part, model are KT-023: the ultraviolet light absorber that 0.4 part, model are N-537: 0.2 part; Described optical cable was-70 ℃ ,-60 ℃ ,-40 ℃ ,-20 ℃, 0 ℃ ,+20 ℃ ,+40 ℃ ,+60 ℃, the insulation of+70 ℃ of each temperature spots 24 hours, it is a temperature cycles that whole points are finished, after 50 circulations, restrictive coating surface is without any the visible macula lutea of eyesight.
4. relief cable according to claim 3, is placed with material water-proof material (6) in the interval that it is characterized in that forming in optical fiber, interior reinforcement, gasket for packing, outer reinforcement.
5. according to claim 1 or relief cable claimed in claim 2, it is characterized in that described restrictive coating is to be made by the starting material of following parts by weight: polyamide 6 or polyamide 66 or polyamide 610: the antioxidant that 98.5 parts, model are 330: the dewatering agent that 0.8 part, model are BF-5: the anti-yellowing change agent that 0.1 part, model are KT-023: the ultraviolet light absorber that 0.4 part, model are N-537: 0.2 part.
According to claim 1 to any one relief cable claimed in claim 4, it is characterized in that outer reinforcement is coated with moisture-proof layer (4), restrictive coating is positioned at outside moisture-proof layer.
According to claim 1 to any one relief cable claimed in claim 4, it is characterized in that described optical fiber is tight tube fiber, described tight tube fiber inside is true qualities bare fibre or colored optical fiber, outside is Polyvinylchloride sheath; Or described tight tube fiber inside is true qualities bare fibre or colored optical fiber, and middle part is Polyvinylchloride sheath, and outside is Polyvinylchloride sheath; Or described tight tube fiber is true qualities bare fibre or colored optical fiber; Described true qualities bare fibre or colored optical fiber are single mode silica fibre or multimode silica fibre or plastic optical fiber.
According to claim 1 to any one relief cable claimed in claim 4, it is characterized in that described interior reinforcement is fiberglass-reinforced plastic lever.
According to claim 1 to any one relief cable claimed in claim 4, it is characterized in that described outer reinforcement is aramid fiber yarn or glass fiber reinforced plastics band or poly-to the two oxazole fibers of benzo benzo.
10. relief cable according to claim 6, is characterized in that described moisture-proof layer is waterstop or nonwoven fabrics or polyester belt, and described moisture-proof layer is that the mode with spiral is wrapped in outer reinforcement, and the thickness of described moisture-proof layer is 0.1mm-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467326.6A CN102928938B (en) | 2012-11-19 | 2012-11-19 | Emergency optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210467326.6A CN102928938B (en) | 2012-11-19 | 2012-11-19 | Emergency optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102928938A CN102928938A (en) | 2013-02-13 |
| CN102928938B true CN102928938B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210467326.6A Active CN102928938B (en) | 2012-11-19 | 2012-11-19 | Emergency optical cable |
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| CN (1) | CN102928938B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713368B (en) * | 2013-12-13 | 2016-08-31 | 中国电子科技集团公司第二十三研究所 | The light-duty relief cable of a kind of novel folding and its implementation |
| CN104777569B (en) * | 2015-04-08 | 2018-09-07 | 江苏中天科技股份有限公司 | The enhanced self-support cable of non-metallic sheath |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000111772A (en) * | 1998-09-30 | 2000-04-21 | Alcatel | Seawater resistant communication cable with waterproof material disposed in core |
| JP2003227975A (en) * | 2002-02-04 | 2003-08-15 | Mitsubishi Rayon Co Ltd | Coating material for optical fiber and optical fiber cable |
| FR2858067B1 (en) * | 2003-07-25 | 2005-10-14 | France Telecom | OPTICAL FIBER MICRO-CABLE STRUCTURE ADAPTED FOR PUSH-PUSHING IN A MICRO-CONDUCT |
| ES2388459T3 (en) * | 2006-02-08 | 2012-10-15 | Draka Comteq B.V. | Fiber optic cable suitable for installation in microconducts of reduced diameter by air or pressure blowing |
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Effective date of registration: 20200410 Address after: 215542, No. 1, Li Li Road, Chang Kun Industrial Park, sandy Town, Suzhou, Jiangsu, Changshou City Co-patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee after: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Address before: 215542, No. 1, Li Li Road, Chang Kun Industrial Park, sandy Town, Suzhou, Jiangsu, Changshou City Patentee before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |
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Address after: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. |
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Effective date of registration: 20220224 Address after: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee before: Changfei photoelectric cable (Suzhou) Co.,Ltd. Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. |
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Effective date of registration: 20220307 Address after: 215542 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 Zhongli Road, Chang Kun Industrial Park, Changshou City, Suzhou, Jiangsu, 1 Patentee before: Changfei photoelectric cable (Suzhou) Co.,Ltd. |
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