CN202693876U - Submarine optical cable transitional soft connector with monolayer metal shielding or dual-layer metal shielding - Google Patents
Submarine optical cable transitional soft connector with monolayer metal shielding or dual-layer metal shielding Download PDFInfo
- Publication number
- CN202693876U CN202693876U CN 201220322598 CN201220322598U CN202693876U CN 202693876 U CN202693876 U CN 202693876U CN 201220322598 CN201220322598 CN 201220322598 CN 201220322598 U CN201220322598 U CN 201220322598U CN 202693876 U CN202693876 U CN 202693876U
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- submarine optical
- optical fiber
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Abstract
The utility model discloses a submarine optical cable transitional soft connector with a monolayer metal shielding or a dual-layer metal shielding. The submarine optical cable transitional soft connector is suitable for being used in continuation of a submarine optical cable factory in a submarine optical fiber communication system, and further suitable for maintaining submarine optical cable. The submarine optical cable transitional soft connector comprises an optical fiber, a monolayer metal shielding submarine optical cable stainless steel pipe, an outer sleeved stainless steel pipe, a dual-layer metal shielding submarine optical cable stainless steel pipe, a monolayer metal shielding submarine optical cable core, a wrapping filling cable core, a dual-layer metal shielding submarine optical cable core, an inner layer pre-twisting steel wire, a middle layer pre-twisting steel wire and an outer layer pre-twisting steel wire. The optical fiber is sleeved with the monolayer metal shielding submarine optical cable stainless steel pipe and the dual-layer metal shielding submarine optical cable stainless steel pipe, a connection end stainless steel pipe of the monolayer metal shielding submarine optical cable stainless steel pipe and the dual-layer metal shielding submarine optical cable stainless steel pipe is sleeved with the outer sleeved stainless steel pipe, the wrapping filling cable core is wrapped on the connecting end stainless steel pipe and the outer sleeved stainless steel, the monolayer submarine optical cable metal shielding steel wire, the inner layer pre-twisting steel wire, the middle layer pre-twisting steel wire, the outer layer pre-twisting steel wire are twined on the outer diameter of the wrapping filling cable core sequentially, and a polypropylene rope is twined on the outer layer pre-twisting steel wire.
Description
Technical field
The utility model individual layer armouring, double armor submarine optical fiber cable transition connecting hose relate to be individual layer armouring submarine optical fiber cable with the double armor submarine optical fiber cable be connected the transition connecting hose, be applicable to continuing of submarine optical fiber cable factory in the fibres submarine telecommunication system, also be applicable to the maintenance of submarine optical fiber cable fault.
Background technology
Existing domestic and international market has urgent crossover sub technology and service of goods demand, most of customer requirement non junction big-length supply of material, and the marine site is different during actual use causes same submarine optical fiber cable sheathed structure that two kinds of individual layer armouring and double armors are arranged.Realize the continuous big-length of this kind submarine optical fiber cable, two kinds of methods are arranged at present, a kind of is to make whole jointless submarine optical fiber cable, and another kind is the method that connects with connector box, but the expense of connector box is higher, and construction is inconvenient.
Summary of the invention
The purpose of this utility model is to provide individual layer armouring, double armor submarine optical fiber cable transition connecting hose for above-mentioned weak point, adopt the method for transition connecting hose, individual layer armouring, double armor submarine optical fiber cable are coupled together, it is little, simple in structure to have volume, cost is low, transition connecting hose section can be smoothly by laying ship traction engine and drum machine and burying plough underground, and the fitting operation program is simple and reliable, greatly shortens the submarine optical fiber cable built-up time.The big-length submarine optical fiber cable transportation, lay and operational process in, it is unavoidable breaking down, so the transition connecting hose is again the important means of repairing fault.
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose take following scheme to realize:
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose comprise optical fiber, individual layer armouring submarine optical fiber cable stainless-steel tube, outer casing stainless steel pipe, double armor submarine optical fiber cable stainless-steel tube, individual layer armouring cable core of seabed optical cable, wrapped filling cable core, double armor cable core of seabed optical cable, internal layer pre-wring steel wire, middle level pre-wring steel wire and outer pre-wring steel wire.Outside upper individual layer armouring submarine optical fiber cable stainless-steel tube and the double armor submarine optical fiber cable stainless-steel tube of being set with of optical fiber, outside individual layer armouring submarine optical fiber cable stainless-steel tube and double armor submarine optical fiber cable stainless-steel tube link stainless-steel tube, be set with the outer casing stainless steel pipe, wrapped filling cable core is wrapped at individual layer armouring submarine optical fiber cable stainless-steel tube, on double armor submarine optical fiber cable stainless-steel tube link stainless-steel tube and the outer casing stainless steel pipe, wrapped filling cable core heat cross-linking is consistent with double armor cable core of seabed optical cable external diameter to individual layer armouring cable core of seabed optical cable, be wound with individual layer armouring submarine optical fiber cable armouring wire at wrapped filling conductor assembly outer diameter, be outside equipped with the internal layer pre-wring steel wire at individual layer armouring submarine optical fiber cable armouring wire, be provided with the middle level pre-wring steel wire at the internal layer pre-wring steel wire, it is outer that outer pre-wring steel wire is wrapped in the middle level pre-wring steel wire, be wound with polypropylene rope (PP rope) on the outer pre-wring steel wire, and adopt pitch and polypropylene rope (PP rope) to be bonded together.
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose comprise the internal layer pre-wring steel wire of optical fiber, outer casing stainless steel pipe, wrapped filling cable core, filling, the middle level pre-wring steel wire of reverse-winding and the outer pre-wring steel wire that outer layer protection is used.Stainless-steel tube is set with the outer casing stainless steel pipe outward, the wrapped filling of stainless-steel tube external application crosslinked polyethylene band that is recovering, outside wrapped filling cable core, recover to have individual layer armouring submarine optical fiber cable armouring wire, outside individual layer armouring submarine optical fiber cable, be provided with the internal layer pre-wring steel wire that forward twines, it is outer that the middle level pre-wring steel wire is wrapped in inside and outside armour wire joint position, outer pre-wring steel wire is wrapped on the pre-wring steel wire of middle level, outer pre-wring steel wire has polypropylene rope (PP rope), and adopts pitch and polypropylene rope (PP rope) to be bonded together.
Described wrapped filling cable core adopts the crosslinked polyethylene band, and the insulated enclosure performance recovery of cable core is undertaken by the crosslinked fill method of wrapped crosslinked polyethylene band.
Individual layer armouring, the method for attachment of double armor submarine optical fiber cable transition connecting hose are as follows:
1, gets two sections submarine optical fiber cables for the treatment of joint: individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end;
2, individual layer armouring Submarine Optical cable-end is peelled off two layers of polypropylene rope (PP rope), and length is 8.5 ~ 10.5 meters, and opening the stripping steel wire length is 2.5 ~ 3 meters, and steel wire divides 3 groups, protects steel wire, guarantees that pitch is constant, does not open the stripping part and tightens with the larynx hoop;
3, open stripping double armor Submarine Optical cable-end ectonexine steel wire, length is 1 ~ 1.5 meter, does not open the stripping part and tightens with the larynx hoop;
4, the pitch on removing individual layer armouring Submarine Optical cable-end, the double armor Submarine Optical cable-end cable core;
5, individual layer armouring Submarine Optical cable-end cable core is peelled off 1.5 ~ 2 meters of cable cores, and double armor Submarine Optical cable-end is peelled off 1.5 ~ 2 meters of cable cores, and accomplishes the oblique angle at cable core and steel pipe joint;
6, with the glue on the clean-out system removing stainless-steel tube;
7, put the outer casing stainless steel pipe on the individual layer armouring Submarine Optical cable-end stainless-steel pipe, length is 0.9 ~ 1 meter;
8, the cable core with individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end is fixed on the operation stand;
9, peel the stainless-steel tube of individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end off, it is waiting to reserve optical fiber;
10, above-mentioned two ends optical fiber is put into contain in the spirituous ultrasonic cleaner and cleans, and measure 45 ~ 50 centimetres of fiber lengths;
11, set the position of heat sealing machine, coating machine, ultrasonic cleaner, on one side welding optic fibre, outer fiber coating acrylate protective seam welded on one side;
12, take the equipment such as heat sealing machine, coating machine, ultrasonic cleaner away;
13, the optical fiber that connects is stretching, tension not, with alcohol swab except dust, clean after, coat optical fiber ointment, optical fiber is bonded together again the surface is cleaned with clean soft paper;
14, measured the length of optical fiber, and carry out mark at stainless-steel tube, polish with rubber on the stainless-steel tube, apply glue at double armor Submarine Optical cable-end stainless-steel tube, from individual layer armouring Submarine Optical cable-end the outer casing stainless steel pipe is moved on the double armor Submarine Optical cable-end stainless-steel tube, applied glue at individual layer armouring Submarine Optical cable-end stainless-steel tube again, the outer casing stainless steel pipe is being moved to individual layer armouring submarine optical fiber cable endmarker place, guarantee optical fiber excess length, left standstill 20 ~ 30 minutes;
15, the outer casing stainless steel tube-surface that connects is removed totally, with the wrapped filling cable core of crosslinked polyethylene band, until external diameter is consistent.
16, the armouring wire with individual layer armouring Submarine Optical cable-end twines to double armor Submarine Optical cable-end, until double armor Submarine Optical cable-end steel wire place, wire joint place steel strip winding, excessive to prevent the joint gradient.
17, twine the internal layer pre-wring steel wire from individual layer armouring Submarine Optical cable-end to double armor Submarine Optical cable-end, the joint is with using steel strip winding.
18, outside joint, distinguish again wrapped middle level pre-wring steel wire and outer pre-wring steel wire.
19, twine two layers of polypropylene rope (PP rope) in above-mentioned pre-wring steel wire outside with bobbin winoler, coated pitch, and be aided with the blowtorch heating, allow pitch and polypropylene rope (PP rope) be bonded together;
20, carry out the attenuation test of optical fiber and the performance test of whole piece submarine optical fiber cable, meet test request, namely make individual layer armouring, double armor submarine optical fiber cable transition connecting hose.
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose and attaching method thereof characteristics:
Optical fiber is disposable continue after, apply protection, can guarantee that optical fiber bears the pulling force of 10N.In the overcoat stainless-steel tube, optical fiber has an amount of remaining length, and is protected with fine cream.The stainless-steel tube of overcoat sticks with glue agent with the stainless-steel tube of two ends submarine optical fiber cable and is connected.
The cable core insulation recovery has guaranteed that with the wrapped and crosslinked filling of tygon band the insulating property of cable core reach technical requirement.
It is to adopt the method that increases two-layer preformed armor rods that the armouring wire of submarine optical fiber cable connects, and wrapped with steel band at the inconsistent place of steel wire external diameter, to guarantee that power is decomposed transition.External diameter only increases by 15 ~ 20mm than original two armour structure cable external diameters, satisfies construction requirement, and the fitting operation program is simple and reliable, greatly shortens the submarine optical fiber cable built-up time.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is individual layer armouring, double armor submarine optical fiber cable transition connecting hose structural representation.
Embodiment
With reference to accompanying drawing 1, individual layer armouring, double armor submarine optical fiber cable transition connecting hose comprise optical fiber 7, individual layer armouring submarine optical fiber cable stainless-steel tube 6, outer casing stainless steel pipe 8, double armor submarine optical fiber cable stainless-steel tube 9, individual layer armouring cable core of seabed optical cable 4, wrapped filling cable core 5, double armor cable core of seabed optical cable 10, internal layer pre-wring steel wire 3, middle level pre-wring steel wire 11 and outer pre-wring steel wire 12.Optical fiber 7 outside upper individual layer armouring submarine optical fiber cable stainless-steel tube 6 and the double armor submarine optical fiber cable stainless-steel tubes 9 of being set with, outside individual layer armouring submarine optical fiber cable stainless-steel tube 6 and double armor submarine optical fiber cable stainless-steel tube 9 link stainless-steel tubes, be set with outer casing stainless steel pipe 8, wrapped filling cable core 5 is wrapped at individual layer armouring submarine optical fiber cable stainless-steel tube 6, on double armor submarine optical fiber cable stainless-steel tube 9 link stainless-steel tubes and the outer casing stainless steel pipe 8, wrapped filling cable core 5 heat cross-linkings are consistent with double armor cable core of seabed optical cable 10 external diameters to individual layer armouring cable core of seabed optical cable 4, be wound with individual layer armouring submarine optical fiber cable armouring wire 2 at wrapped filling cable core 5 external diameters, be outside equipped with internal layer pre-wring steel wire 3 at individual layer armouring submarine optical fiber cable armouring wire 2, be provided with middle level pre-wring steel wire 11 at internal layer pre-wring steel wire 3, outer pre-wring steel wire 12 is wrapped in middle level pre-wring steel wire 11 skins, be wound with polypropylene rope (PP rope) 1 on the outer pre-wring steel wire 11, and adopt pitch and polypropylene rope (PP rope) to be bonded together.
Fibre-optical splice length is consistent, and uses acrylate-coated; Optical fiber 7 usefulness heat sealing machines continue, partly use acrylate-coated at the bare fibre that continues, outside individual layer armouring submarine optical fiber cable stainless-steel tube 6 and double armor submarine optical fiber cable stainless-steel tube 9 link stainless-steel tubes, be set with outer casing stainless steel pipe 8, wrapped filling cable core 5 is wrapped on two ends submarine optical fiber cable stainless-steel tube and outer casing stainless steel pipe 8, heat cross-linking is also repaiied to two ends cable core of seabed optical cable external diameter the same, individual layer armouring submarine optical fiber cable armouring wire 2 twines from an end and transits to double armor submarine optical fiber cable armouring wire 9, middle level pre-wring steel wire 11 twines and is transitioned into double armor Submarine Optical cable-end from individual layer armouring Submarine Optical cable-end, and outer pre-wring steel wire 12 is transitioned into double armor Submarine Optical cable-end from individual layer armouring Submarine Optical cable-end.
Described wrapped filling cable core 5 adopts the crosslinked polyethylene band, and the insulated enclosure performance recovery of cable core is undertaken by the crosslinked fill method of wrapped crosslinked polyethylene band.
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose method of attachment embodiment 1:
Individual layer armouring, the method for attachment of double armor submarine optical fiber cable transition connecting hose are:
1, gets two sections submarine optical fiber cables for the treatment of joint: individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end;
2, individual layer armouring Submarine Optical cable-end is peelled off two layers of polypropylene rope (PP rope), and length is 8.5 ~ 10.5 meters, and opening the stripping steel wire length is 2.5 ~ 3 meters, and steel wire divides 3 groups, protects steel wire, guarantees that pitch is constant, does not open the stripping part and tightens with the larynx hoop;
3, open stripping double armor Submarine Optical cable-end ectonexine steel wire, length is 1 ~ 1.5 meter, does not open the stripping part and tightens with the larynx hoop;
4, the pitch on removing individual layer armouring Submarine Optical cable-end, the double armor Submarine Optical cable-end cable core;
5, individual layer armouring Submarine Optical cable-end cable core is peelled off 1.5 ~ 2 meters of cable cores, and double armor Submarine Optical cable-end is peelled off 1.5 ~ 2 meters of cable cores, and accomplishes the oblique angle at cable core and steel pipe joint;
6, with the glue on the clean-out system removing stainless-steel tube;
7, put the outer casing stainless steel pipe on the individual layer armouring Submarine Optical cable-end stainless-steel pipe, length is 0.9 ~ 1 meter;
8, the cable core with individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end is fixed on the operation stand;
9, peel the stainless-steel tube of individual layer armouring Submarine Optical cable-end, double armor Submarine Optical cable-end off, it is waiting to reserve optical fiber;
10, above-mentioned two ends optical fiber is put into contain in the spirituous ultrasonic cleaner and cleans, and measure 45 ~ 50 centimetres of fiber lengths;
11, set the position of heat sealing machine, coating machine, ultrasonic cleaner, on one side welding optic fibre, outer fiber coating acrylate protective seam welded on one side;
12, take the equipment such as heat sealing machine, coating machine, ultrasonic cleaner away;
13, the optical fiber that connects is stretching, tension not, with alcohol swab except dust, clean after, coat optical fiber ointment, optical fiber is bonded together again the surface is cleaned with clean soft paper;
14, measured the length of optical fiber, and carry out mark at stainless-steel tube, polish with rubber on the stainless-steel tube, apply glue at double armor Submarine Optical cable-end stainless-steel tube, from individual layer armouring Submarine Optical cable-end the outer casing stainless steel pipe is moved on the double armor Submarine Optical cable-end stainless-steel tube, applied glue at individual layer armouring Submarine Optical cable-end stainless-steel tube again, the outer casing stainless steel pipe is being moved to individual layer armouring submarine optical fiber cable endmarker place, guarantee optical fiber excess length, left standstill 20 ~ 30 minutes;
15, the outer casing stainless steel tube-surface that connects is removed totally, with the wrapped filling cable core of crosslinked polyethylene band, until external diameter is consistent.
16, the armouring wire with individual layer armouring Submarine Optical cable-end twines to double armor Submarine Optical cable-end, until double armor Submarine Optical cable-end steel wire place, wire joint place steel strip winding, excessive to prevent the joint gradient.
17, twine the internal layer pre-wring steel wire from individual layer armouring Submarine Optical cable-end to double armor Submarine Optical cable-end, the joint is with using steel strip winding.
18, outside joint, distinguish again wrapped middle level pre-wring steel wire and outer pre-wring steel wire.
19, twine two layers of polypropylene rope (PP rope) in above-mentioned pre-wring steel wire outside with bobbin winoler, coated pitch, and be aided with the blowtorch heating, allow pitch and polypropylene rope (PP rope) be bonded together;
20, carry out the attenuation test of optical fiber and the performance test of whole piece submarine optical fiber cable, meet test request, namely make individual layer armouring, double armor submarine optical fiber cable transition connecting hose.
Submarine optical fiber cable connecting hose closure for sh individual layer armouring wire Submarine Optical cable-end llow w individual layer armouring wire Submarine Optical cable-end ter su double armor steel wire Submarine Optical cable-end m individual layer armouring wire Submarine Optical cable-end rine optic individual layer armouring wire Submarine Optical cable-end l fi double armor steel wire Submarine Optical cable-end er c individual layer armouring wire Submarine Optical cable-end double armor steel wire Submarine Optical cable-end les is for providing optics between the adjacent Shallow water cable section; electric; the successional protection section of sealing and physical strength.
Detection reaches following technical requirement through relevant technologies standard detection department:
1.1 environment for use
Environment temperature :-10 ℃～+ 40 ℃;
The depth of water: be not more than 500m.
1.2 serviceable life
Be no less than 25 years.
1.3 material
1.3.1 individual layer armouring, when double armor submarine optical fiber cable transition connecting hose structure need to adopt different materials, the physics of various materials, chemical property should be stablized, and should prevent from causing mutual reaction because moisture or seawater immerse, and produce free hydrogen.Individual layer armouring, double armor submarine optical fiber cable transition connecting hose material therefor should have sea water corrosion resistant, and meet among the SJ 51659/3-2,002 3.2 regulation.
1.4 mechanical property
1.4.1 stretch
Shallow water cable and individual layer armouring, double armor submarine optical fiber cable transition connecting hose section are under the of short duration tensile load of Shallow water cable of GB/T 18480 regulations, after keeping 5min, the decay of monitoring Optical Fiber Transmission is without significant change, and individual layer armouring, double armor submarine optical fiber cable transition connecting hose section should not become flexible.Check after the unloading that individual layer armouring, double armor submarine optical fiber cable transition connecting hose Duan Yingwu obviously are out of shape, no-failure is answered in sealing.
1.4.2 pull
Shallow water cable and individual layer armouring, double armor submarine optical fiber cable transition connecting hose section are being not less than under 1.1 times of pulling force of the of short duration tensile load of Shallow water cable, after keeping 5min, individual layer armouring, double armor submarine optical fiber cable transition connecting hose section and Shallow water cable should not get loose.
1.4.3 crooked under the pulling force
Individual layer armouring, double armor submarine optical fiber cable transition connecting hose section and Shallow water cable junction should bear crooked pulling force 10kN, and preformed armor rods should be without obvious distortion, and the decay of monitoring Optical Fiber Transmission should be without significant change.
1.4.4 impact
After individual layer armouring, double armor submarine optical fiber cable transition connecting hose section were impacted, sheath was answered flawless, cracking or other damages that may cause sheath to penetrate, and the decay of monitoring Optical Fiber Transmission should be without significant change.
1.5 optical property
Additional attenuation should be not more than 0.15d.
1.6 electric property
1.6.1 insulation resistance
The insulation resistance of individual layer armouring, double armor submarine optical fiber cable transition connecting hose section should be not less than 20000M Ω/500V (d.c.).
1.6.2 proof voltage
The proof voltage of individual layer armouring, double armor submarine optical fiber cable transition connecting hose section is under 15kV (d.c.) effect, and 2min should not puncture.
1.6.3 direct current resistance
The direct current resistance of individual layer armouring, double armor submarine optical fiber cable transition connecting hose section two ends conductive component should be not more than 0.5 Ω.
1.7 water-pressure sealed performance
The cable core of individual layer armouring, double armor submarine optical fiber cable transition connecting hose section continues 168h under 5.0MP individual layer armouring wire Submarine Optical cable-end hydraulic pressure, the anhydrous infiltration of cable core stainless-steel tube, insulation resistance should meet the regulation of 1.6.1 after the test, and proof voltage should meet the regulation of 1.6.2.
Claims (2)
1. an individual layer armouring, double armor submarine optical fiber cable transition connecting hose is characterized in that: comprise optical fiber, individual layer armouring submarine optical fiber cable stainless-steel tube, outer casing stainless steel pipe, double armor submarine optical fiber cable stainless-steel tube, individual layer armouring cable core of seabed optical cable, wrapped filling cable core, double armor cable core of seabed optical cable, internal layer pre-wring steel wire, middle level pre-wring steel wire and outer pre-wring steel wire; Outside upper individual layer armouring submarine optical fiber cable stainless-steel tube and the double armor submarine optical fiber cable stainless-steel tube of being set with of optical fiber, outside individual layer armouring submarine optical fiber cable stainless-steel tube and double armor submarine optical fiber cable stainless-steel tube link stainless-steel tube, be set with the outer casing stainless steel pipe, wrapped filling cable core is wrapped at individual layer armouring submarine optical fiber cable stainless-steel tube, on double armor submarine optical fiber cable stainless-steel tube link stainless-steel tube and the outer casing stainless steel pipe, wrapped filling cable core heat cross-linking is consistent with double armor cable core of seabed optical cable external diameter to individual layer armouring cable core of seabed optical cable, be wound with individual layer armouring submarine optical fiber cable armouring wire at wrapped filling conductor assembly outer diameter, be outside equipped with the internal layer pre-wring steel wire at individual layer armouring submarine optical fiber cable armouring wire, be provided with the middle level pre-wring steel wire at the internal layer pre-wring steel wire, it is outer that outer pre-wring steel wire is wrapped in the middle level pre-wring steel wire, be wound with polypropylene rope on the outer pre-wring steel wire, and adopt pitch and polypropylene rope to be bonded together.
2. a kind of individual layer armouring claimed in claim 1, double armor submarine optical fiber cable transition connecting hose is characterized in that: described wrapped filling cable core employing crosslinked polyethylene band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322598 CN202693876U (en) | 2012-07-05 | 2012-07-05 | Submarine optical cable transitional soft connector with monolayer metal shielding or dual-layer metal shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322598 CN202693876U (en) | 2012-07-05 | 2012-07-05 | Submarine optical cable transitional soft connector with monolayer metal shielding or dual-layer metal shielding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693876U true CN202693876U (en) | 2013-01-23 |
Family
ID=47549473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220322598 Withdrawn - After Issue CN202693876U (en) | 2012-07-05 | 2012-07-05 | Submarine optical cable transitional soft connector with monolayer metal shielding or dual-layer metal shielding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722011A (en) * | 2012-07-05 | 2012-10-10 | 中天科技海缆有限公司 | Monolayer-armored and double-layer-armored submarine optical cable transition soft connector and connection method thereof |
-
2012
- 2012-07-05 CN CN 201220322598 patent/CN202693876U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722011A (en) * | 2012-07-05 | 2012-10-10 | 中天科技海缆有限公司 | Monolayer-armored and double-layer-armored submarine optical cable transition soft connector and connection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140129 |
|
| RGAV | Abandon patent right to avoid regrant |