CN101887781B - Self-supporting lightning-proof optical cable - Google Patents
Self-supporting lightning-proof optical cable Download PDFInfo
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- CN101887781B CN101887781B CN200910140715A CN200910140715A CN101887781B CN 101887781 B CN101887781 B CN 101887781B CN 200910140715 A CN200910140715 A CN 200910140715A CN 200910140715 A CN200910140715 A CN 200910140715A CN 101887781 B CN101887781 B CN 101887781B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 48
- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims description 40
- 239000004020 conductor Substances 0.000 claims description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000005672 electromagnetic field Effects 0.000 abstract description 8
- 239000000725 suspension Substances 0.000 abstract 2
- 239000000779 smoke Substances 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The invention discloses a self-supporting lightning-proof optical cable. The self-supporting lightning-proof optical cable comprises a cable core, a covered layer and a suspension wire, wherein the cable core is used for transmitting an optical signal and power; the covered layer is covered with the cable core; and the suspension wire is connected with the covered layer. The covered layer comprises a shielding layer, an outer sheath and a ground layer, wherein the shielding layer shields the cable core; the outer sheath coats the shielding layer; and the ground layer is arranged between the cable core and the shielding layer. The self-supporting lightning-proof optical cable of the invention can prevent communication equipment from being damaged by thunder and lightening, effectively prevent an electromagnetic field generated by the shielding cable from disturbing other communication cable signals and prevent external electromagnetic field from disturbing the cable core.
Description
Technical field
The present invention relates to the electric wire technology, particularly a kind of can lightning protection and the self-supporting lightning-proof optical cable of transmitting optical signal and electric power.
Background technology
Mostly addressing is spaciousness, highland or mountain area based on base station construction; With a varied topography and work under bad environment; The equipment of base station suffers the infringement of thunder and lightning weather easily; The cable of base station outdoor is especially low and directly receive ultraviolet irradiation at the northern area winter temperature, is prone to agingly and damaged, works thereby influence the base station.And, certain shielding anti-interference should be arranged as the cable that communication base station uses, the electromagnetic field of guaranteeing itself does not cause other signals and disturbs and not by the interference of external electromagnetic field to cable core.
In addition, because cable might be struck by lightning,, will cause the heavy losses of communications facility in case the thunderbolt incident takes place.
In addition, communication base station need use cable and optical cable to transmit electric power and signal of communication respectively at present, not only lays trouble, and has increased the expense of communication base station use cable.
Summary of the invention
The purpose of this invention is to provide a kind of can lightning protection and the self-supporting lightning-proof optical cable of transmitting optical signal and electric power.
Self-supporting lightning-proof optical cable of the present invention not only can lightning protection, transmitting optical signal and electric power and is convenient to lay, but also can satisfy the required special climate requirement of communication base station of working out of doors.
According to first aspect present invention, above-mentioned self-supporting lightning-proof optical cable comprises:
The cable core of transmitting optical signal and electric power;
The coating of said cable core is covered; And
The messenger wire that connects said coating;
Wherein, said coating comprises:
Shield the screen of said cable core;
Coat the oversheath of said screen; With
Be arranged on the ground plane between said cable core and the said screen.
Wherein said ground plane is configured to: by the oblique wrapped said cable core of bundle strand copper wire of stranded copper wire bundle strand, its lay of lapping is 18～28 times of said conductor assembly outer diameter.
According to second aspect present invention, above-mentioned self-supporting lightning-proof optical cable comprises:
Cover the cable core that is used for transferring electric power and light signal of inner sheath outward;
Be used to shield the screen of said cable core;
Coat the oversheath of said screen;
Be arranged on the ground connection outer conductor between said inner sheath and the said screen; And
The messenger wire that connects said oversheath.
Wherein said ground connection outer conductor is the bundle strand copper wire of stranded copper wire bundle strand, and oblique wrapped said inner sheath, and its lay of lapping is 18～28 times of said external diameter.
In aspect above-mentioned first and second, said cable core comprises:
At least two insulated cores;
At least one fiber unit; And
Coat the inner sheath of said insulated wire cores and fiber unit.
Wherein said fiber unit comprises: tight tube fiber; Reinforcement; Strengthen steel core; And the protective layer that coats said tight tube fiber, reinforcement and said reinforcement steel core; Wherein said tight tube fiber and said reinforcement are stranded on the said reinforcement steel core that is positioned at the center.
As selection, said fiber unit comprises: a plurality of tight tube fibers; Strengthen steel core; And the protective layer that coats said tight tube fiber and said reinforcement steel core; Wherein said a plurality of tight tube fiber is stranded on the said reinforcement steel core that is positioned at the center.
Wherein said screen adopts the wrapped said outer conductor of copper strips to form, and wrapped Duplication is more than 25%.
Wherein said messenger wire comprises: the cable wire that is used to carry; With the messenger wire overcoat that coats said cable wire; Wherein said messenger wire overcoat and said oversheath are structure as a whole.
Wherein said insulated wire cores comprises conductor and the insulating barrier that coats said conductor, and said insulating barrier adopts the cross-linked polyolefin material.
Wherein said oversheath adopts the TPO material to process.
Screen of the present invention can make cable obtain electromagnetism antijamming capability preferably.
The insulating barrier of insulated wire cores of the present invention, inner sheath adopt low-smoke halogen-free polyolefin class material, have flame-proof environmental protection property.
Oversheath of the present invention adopts cold-resistant low-smoke halogen-free polyolefin class material, can guarantee cable operate as normal under low temperature environment.
The wrapped cable of the polyester material with environmental-protecting performance is all adopted in the inboard of the inner sheath of cable core of the present invention and the oversheath of optical cable.
In addition, the present invention also fills the packing material such as PP fiber or mineral wool rope with feature of environmental protection in cable core.
Compared with prior art, the outer conductor as earth connection according to the invention between inner sheath and screen, by stranded copper wire tiltedly bag rearrange, effectively conducted instantaneous high pressure, avoid thunder and lightning that communication equipment is caused damage.And said earth connection is with the copper strips screen outward, and effectively the electromagnetic field that produces of shielded type cable is to the interference of other telecommunication cable signals, and external electromagnetic field is to the interference of cable core.Added fiber unit in cable inside, erecting optical cables solves the needs of base station thereby need not separately, alleviates laid down cost.The messenger wire structure makes cable more convenient when laying, and has improved the anti-mechanical stretch ability of cable, has ensured the communication security of equipment.Said oversheath adopts cold-resistant low-smoke halogen-free polyolefin class material, and its low smoke and zero halogen is environmental, and uvioresistant is also cold-resistant.Therefore a kind of self-supporting lightning-proof optical cable of the present invention can satisfy communication base station in the abominable workplace operate as normal of environment, and its adaptive capacity to environment is strong, and mechanical performance is good.
Below in conjunction with accompanying drawing details of the present invention is specifically described.
Description of drawings
Fig. 1 is the sketch map that shows self-supporting lightning-proof optical cable first embodiment of the present invention; And
Fig. 2 is the sketch map that shows self-supporting lightning-proof optical cable second embodiment of the present invention.
Drawing reference numeral explanation: 1-light unit; The 11-tight tube fiber; The 12-reinforcement; 13-strengthens steel core; The 14-protective layer; The 2-insulated wire cores; The 21-conductor; The 22-insulating barrier; 3-cable core filler; The 4-inner sheath; 5-ground plane or outer conductor; The 6-screen; The 7-oversheath; The 8-messenger wire; The 81-cable wire; 82-messenger wire sheath; The 9-cable core.
Embodiment
Self-supporting lightning-proof optical cable of the present invention is a kind of optical cable of lightning protection, in other words conj.or perhaps a kind of lightning protection and the optical cable of transmitting optical signal and the signal of telecommunication simultaneously.
Fig. 1 has shown self-supporting lightning-proof optical cable first embodiment of the present invention, and Fig. 2 has shown self-supporting lightning-proof optical cable second embodiment of the present invention.In first embodiment, the fiber unit 1 of self-supporting lightning-proof optical cable is provided with reinforcement 12.In a second embodiment, the fiber unit 1 of self-supporting lightning-proof optical cable is not established reinforcement 12.
Put it briefly, self-supporting lightning-proof optical cable of the present invention comprises: the cable core 9 of transmitting optical signal and electric power; The coating of lining cable core 9; And the messenger wire 8 that connects said coating; Wherein like Fig. 1 or shown in Figure 2, said coating comprises:
Shield the screen 6 of said cable core 9;
Coat the oversheath 7 of said screen 6; And
Be arranged on the ground plane 5 that is used for lightning protection between said cable core 9 and the said screen 6.
Characteristics of the present invention are; Be provided with a messenger wire 8 that connects coating; So that can utilize the messenger wire of self to set up optical cable; Not only can accelerate to suppose optical cable speed, the expense of the messenger wire that independently is used to carry optical cable save to be set, and can also improve the anti-mechanical stretch ability of cable, thus the communication security of support equipment.
Like Fig. 1 or shown in Figure 2, messenger wire 8 comprises: the cable wire 81 that is used to carry; With the messenger wire overcoat 82 that coats said cable wire 81; Wherein said messenger wire overcoat 82 is structure as a whole with said oversheath 7, thereby realizes being connected of oversheath 7 of messenger wire overcoat 82 and optical cable.
In addition, messenger wire 8 is parallel to said cable core 9, and said messenger wire overcoat 81 part that is said oversheaths 7.
More particularly, referring to the specific embodiment of Fig. 1 and Fig. 2, self-supporting lightning-proof optical cable of the present invention comprises:
Cover the cable core 9 of inner sheath 4 outward.
Be used to shield the screen 6 of said cable core 9, this screen 6 not only can shield electromagnetic signals that cable core 9 itself produces in order to avoid to the interference of other telecommunication cable signal, but also can shield the interference of extraneous as aerial electromagnetic signal to signal in the cable of cable core 9;
Coat the oversheath 7 of said screen 6, oversheath 7 adopts the TPO material with low smoke and zero halogen characteristic, not only helps environmental protection, and cold-resistant and uvioresistant; And
The messenger wire 8 that connects said oversheath 7.
An important feature of the present invention is also to comprise: be arranged on the ground connection outer conductor 5 between said inner sheath 4 and the said screen 6.
In theory, ground connection outer conductor 5 is ground connection in any place, but in actual conditions, ground connection outer conductor 5 has been preferably in people or unmanned machine room ground connection.Outer conductor 5 can effectively conduct instantaneous high pressure, thereby can avoid thunder and lightning that communication equipment is caused damage.
Ground connection outer conductor 5 can be the bundle strand copper wire of stranded copper wire bundle strand, and oblique wrapped said inner sheath 4, and for example the wrapped inner sheath 4 of left-hand tiltedly wraps so that on inner sheath 4, form stranded copper wire.The lay of lapping of ground connection outer conductor 5 is 18～28 times of said external diameter preferably.
In first embodiment shown in Figure 1, cable core 9 comprises: at least two insulated cores 2, for example two; At least one fiber unit 1, for example one; And the inner sheath 4 that coats said insulated wire cores 2 and fiber unit 1.
Characteristics of the present invention are, fiber unit 1 is set in cable core 9, need not so separately that erecting optical cables solves the communication needs of base station, and can alleviate laid down cost.
In fiber unit 1, adding reinforcement steel core 13 is characteristics of the present invention, and it can improve the ability of the anti-mechanical stretch of optical cable part.
The conductor 21 of insulated wire cores of the present invention also can be the bundle strand copper wire by stranded copper wire bundle strand.For the ease of making, the conductor 2 of insulated wire cores is preferably identical with the line of ground connection outer conductor 5 footpath.
On the other hand, owing to the screen 6 direct wrapped institute outer conductors of processing by copper strips 5, make screen 6 and outer conductor 5 connect into earthing conductor, thereby strengthened the ability that instantaneous thunder and lightning high pressure is conducted in the present invention.That is to say,, reduced to draw the resistivity of thunder earthing conductor greatly, thereby improved lightning protection effect owing to utilize screen 6 and outer conductor 5 these two earthing conductors to draw thunder.
Mainly by cable wire 81 stranded forming, the structure of cable wire 81 is messenger wire 8: one at center, and peripheral some as 6.Cable wire 81 is coated by messenger wire overcoat 82, and in Fig. 1 or instantiation shown in Figure 2, messenger wire overcoat 82 is parts of optical cable oversheath 7.
In addition, insulating barrier of the present invention 22, inner sheath 4 all can adopt low-smoke halogen-free polyolefin class material, have flame-proof environmental protection property.
The wrapped cable of polyester material with environmental-protecting performance is adopted in inboard at inner sheath 4 and oversheath 7.
In order to strengthen the intensity of cable core 9, in cable core 9, can fill packing material 3 such as PP fiber or mineral wool rope.
In second embodiment shown in Figure 2, fiber unit 1 comprises: a plurality of tight tube fibers 11, for example 4 shown in Fig. 2; Strengthen steel core 13; And the protective layer 14 that coats said tight tube fiber 11 and said reinforcement steel core 13; Wherein a plurality of tight tube fibers 11 are stranded on the said reinforcement steel core 13 that is positioned at the center.With respect to first embodiment, second embodiment can increase the ability (capacity) of optical communication.
Other part of second embodiment is identical with first embodiment.
Although preceding text specify the present invention, the invention is not restricted to this, those skilled in the art of the present technique can carry out various modifications according to principle of the present invention.Therefore, all modifications of doing according to the principle of the invention all are to be understood that to falling into protection scope of the present invention.
Claims (7)
1. self-supporting lightning-proof optical cable comprises:
The cable core of transmitting optical signal and electric power (9);
The coating of said cable core (9) is covered; And
The messenger wire (8) that connects said coating;
Wherein, said coating comprises:
Shield the ground shield (6) of said cable core (9);
Coat the oversheath (7) of said ground shield (6); With
Be arranged on the ground plane (5) between said cable core (9) and the said ground shield (6);
Wherein, said ground plane (5) is configured to: by the bundle strand oblique wrapped said cable core of copper wire (9) of stranded copper wire bundle strand, its lay of lapping is 18～28 times of said conductor assembly outer diameter;
Wherein, said ground shield (6) adopts the wrapped said ground plane of copper strips (5) to form, and wrapped Duplication is more than 25%;
Wherein, ground plane (5) causes damage to communication equipment to avoid thunder and lightning in that people or unmanned machine room ground connection are arranged.
2. self-supporting lightning-proof optical cable comprises:
Cover the cable core that is used for transferring electric power and light signal (9) of inner sheath (4) outward;
Be used to shield the ground shield (6) of said cable core (9);
Coat the oversheath (7) of said ground shield (6);
Be arranged on the ground plane (5) between said inner sheath (4) and the said ground shield (6); And
The messenger wire (8) that connects said oversheath (7);
Wherein, said ground plane (5) is the bundle strand copper wire of stranded copper wire bundle strand, and oblique wrapped said inner sheath (4), and its lay of lapping is 18～28 times of said conductor assembly outer diameter;
Wherein, said ground shield (6) adopts the wrapped said ground plane of copper strips (5) to form, and wrapped Duplication is more than 25%;
Wherein, ground plane (5) causes damage to communication equipment to avoid thunder and lightning in that people or unmanned machine room ground connection are arranged.
3. self-supporting lightning-proof optical cable according to claim 1 and 2, wherein said cable core (9) comprising:
At least two insulated cores (2);
At least one fiber unit (1); And
Coat the inner sheath (4) of said insulated wire cores (2) and fiber unit (1).
4. self-supporting lightning-proof optical cable according to claim 3, wherein said fiber unit (1) comprising:
Tight tube fiber (11);
Reinforcement (12);
Strengthen steel core (13); And
Coat the protective layer (14) of said tight tube fiber (11), reinforcement (12) and said reinforcement steel core (13);
Wherein said tight tube fiber (11) and said reinforcement (12) are stranded on the said reinforcement steel core (13) that is positioned at the center.
5. self-supporting lightning-proof optical cable according to claim 4, wherein said fiber unit (1) comprising:
A plurality of tight tube fibers (11);
Strengthen steel core (13); And
Coat the protective layer (14) of said tight tube fiber (11) and said reinforcement steel core (13);
Wherein said a plurality of tight tube fiber (11) is stranded on the said reinforcement steel core (13) that is positioned at the center.
6. self-supporting lightning-proof optical cable according to claim 3, wherein said messenger wire (8) comprising:
The cable wire that is used to carry (81); With
Coat the messenger wire overcoat (82) of said cable wire (81);
Wherein said messenger wire overcoat (82) is structure as a whole with said oversheath (7).
7. self-supporting lightning-proof optical cable according to claim 3, wherein said oversheath (7) adopt the TPO material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910140715A CN101887781B (en) | 2009-05-11 | 2009-05-11 | Self-supporting lightning-proof optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910140715A CN101887781B (en) | 2009-05-11 | 2009-05-11 | Self-supporting lightning-proof optical cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101887781A CN101887781A (en) | 2010-11-17 |
| CN101887781B true CN101887781B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910140715A Active CN101887781B (en) | 2009-05-11 | 2009-05-11 | Self-supporting lightning-proof optical cable |
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| Country | Link |
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| CN (1) | CN101887781B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394134A (en) * | 2011-11-03 | 2012-03-28 | 成都亨通光通信有限公司 | Central tube type armored full dry type composite cable with double protection layers |
| CN102394137A (en) * | 2011-11-03 | 2012-03-28 | 成都亨通光通信有限公司 | Central-tube type single-sheath unarmored full dry-type self-supporting composite cable |
| CN102394135A (en) * | 2011-11-03 | 2012-03-28 | 成都亨通光通信有限公司 | Stranded double-sheath armored full dry-type self-supporting composite cable |
| CN102364597A (en) * | 2011-11-03 | 2012-02-29 | 成都亨通光通信有限公司 | Central-tube type double-sheath armored fully-dried type self-supporting composite cable |
| CN103325489B (en) * | 2013-07-01 | 2015-05-13 | 中利科技集团股份有限公司 | Lightning protection cables for communication base stations |
| CN108589353B (en) * | 2018-04-08 | 2019-07-23 | 烽火通信科技股份有限公司 | A kind of Fibre Optical Sensor cable wire and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986832Y (en) * | 2006-09-20 | 2007-12-05 | 青岛汉缆集团有限公司 | Photoelectric combination type subsea cable |
| CN201051428Y (en) * | 2007-06-25 | 2008-04-23 | 江苏亨通光电股份有限公司 | Novel indoor and outdoor integrated self-bearing photoelectrical integrated cable |
| CN201174272Y (en) * | 2008-07-31 | 2008-12-31 | 上海快鹿电线电缆有限公司 | Soft conductor flame-retardant protective sleeve shielded power cable |
| CN201408606Y (en) * | 2009-05-11 | 2010-02-17 | 中利科技集团股份有限公司 | Self-supporting type lightning protection power cable |
-
2009
- 2009-05-11 CN CN200910140715A patent/CN101887781B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986832Y (en) * | 2006-09-20 | 2007-12-05 | 青岛汉缆集团有限公司 | Photoelectric combination type subsea cable |
| CN201051428Y (en) * | 2007-06-25 | 2008-04-23 | 江苏亨通光电股份有限公司 | Novel indoor and outdoor integrated self-bearing photoelectrical integrated cable |
| CN201174272Y (en) * | 2008-07-31 | 2008-12-31 | 上海快鹿电线电缆有限公司 | Soft conductor flame-retardant protective sleeve shielded power cable |
| CN201408606Y (en) * | 2009-05-11 | 2010-02-17 | 中利科技集团股份有限公司 | Self-supporting type lightning protection power cable |
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| CN101887781A (en) | 2010-11-17 |
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Owner name: JIANGSU CHANGFEI ZHONGLI OPTICAL FIBRE + OPTICAL C Free format text: FORMER OWNER: ZHONGLI SCIENCE + TECHNOLOGY GROUP CO., LTD. Effective date: 20150409 |
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Effective date of registration: 20150409 Address after: 215542 Changshou City, Guangdong Province, Chang Kun Industrial Park, Suzhou Road, No. 1 li Patentee after: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Address before: 215542 Changshou City Southeast Economic Development Zone, Jiangsu Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd. |
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Effective date of registration: 20180213 Address after: 215542 Southeast Economic Development Zone, Changshu, Suzhou, Jiangsu Co-patentee after: JIANGSU ZHONGLI ELECTRONICS INFORMATION TECHNOLOGY Co.,Ltd. Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Co-patentee after: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Co-patentee after: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Co-patentee after: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. Address before: 215542 Changshu Southeast Economic Development Zone, Jiangsu Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. |
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Address after: 215542 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee after: JIANGSU ZHONGLI ELECTRONICS INFORMATION TECHNOLOGY Co.,Ltd. Patentee after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Patentee after: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee after: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. Address before: 215542 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee before: JIANGSU ZHONGLI ELECTRONICS INFORMATION TECHNOLOGY Co.,Ltd. Patentee before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. Patentee before: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee before: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220325 Address after: 215500 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee after: JIANGSU ZHONGLI ELECTRONICS INFORMATION TECHNOLOGY Co.,Ltd. Patentee after: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee after: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. Address before: 215542 Changshu Southeast Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU ZHONGLI GROUP Co.,Ltd. Patentee before: JIANGSU ZHONGLI ELECTRONICS INFORMATION TECHNOLOGY Co.,Ltd. Patentee before: Changfei photoelectric cable (Suzhou) Co.,Ltd. Patentee before: CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF Co.,Ltd. Patentee before: QINGHAI ZHONGLI OPTICAL FIBER TECHNOLOGY Co.,Ltd. |