CN203870998U - Lightening-proof integrated cable - Google Patents
Lightening-proof integrated cable Download PDFInfo
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- CN203870998U CN203870998U CN201420299379.6U CN201420299379U CN203870998U CN 203870998 U CN203870998 U CN 203870998U CN 201420299379 U CN201420299379 U CN 201420299379U CN 203870998 U CN203870998 U CN 203870998U
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- protective layer
- isolated component
- coated
- outside
- lightning strike
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- 239000004020 conductor Substances 0.000 claims abstract description 16
- 239000010445 mica Substances 0.000 claims abstract description 8
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 8
- 239000011241 protective layer Substances 0.000 claims description 63
- 239000002131 composite material Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 22
- 229920001903 high density polyethylene Polymers 0.000 claims description 18
- 239000004700 high-density polyethylene Substances 0.000 claims description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000002367 halogens Chemical class 0.000 claims description 9
- 229920001179 medium density polyethylene Polymers 0.000 claims description 9
- 239000004701 medium-density polyethylene Substances 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002955 isolation Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 208000025274 Lightning injury Diseases 0.000 abstract 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 15
- 238000004891 communication Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model, which belongs to the technical field of the cable, provides a lightening-proof integrated cable comprising a cable core, an inner sheath, an armored layer, an outer sheath, and a ground layer. A first protection layer coats the outside of the cable core; the inner sheath extrudes and coats the outside of the first protection layer; a second protection layer coats the outside of the inner sheath; the ground layer is located outside the second protection layer; the armored layer is arranged outside the ground layer; and the outside of the armored layer is extruded and coated with the outer sheath. The first and second protection layers are mica tapes. The integrated cable is characterized in that the cable core is formed by a plurality of electric units, a central isolation element and a plurality of peripheral isolating elements; and the electric units are formed by conductors and insulating layers and are distributed around the central isolation element, wherein the adjacent electric units are not tangent to each other. The peripheral isolating elements are tangent to the adjacent electric units and the first protection layer; and the electric units are tangent to or spaced from the first protection layer. The provided lightening-proof integrated cable has the following beneficial effects: the manufacturing is simple; the production speed is fast; the resistivity of the ground layer low; the maintenance cost is low; and power transmission can be carried out under the circumstances of over loading and lightning stroke occurrence.
Description
Technical field
The utility model belongs to technical field of cables, especially relates to anti-lightning strike composite cable.
Background technology
Over nearly 20 years, China's information industry, with average annual 25% speed increase, is led over the development of other industries, has become the first pillar industry in industry.Expectation is in coming 10 years, and information industry will be turned over again.In communication industry product, there is the communication that security performance is higher and will have good market prospects with extraordinary lightning-proof optical cable product.Along with the 3G network communication network development, also the lightning protection measures of communication base station room will be considered, avoid catching fire because thunder and lightning causes communication base station and electric power interruption, machine room, to bring large-area communication disruption, equipment the major accident such as is burnt by thunderbolt, just need on the electric power between communication base station and steel tower, signal transmission product, consider safer product.Develop rapidly along with 3G business, the construction scale of communication base station expands gradually, and 3G communication network technology is built, and at least the whole nation needs the base station of 300,000 3G communication networks, if it is the cable of 100 meters of left and right that each base station needs length, this will be a larger market.
For the lightning protection of cable, carried out effective research and obtained good achievement both at home and abroad.The applicant has also done a large amount of research and development aspect lightning protected cable, as: utility model name is called: self-supporting lightning-proof power cable, the patent No. are: 200920150584.5; Utility model name is called: lightning-proof power cable, the patent No. are: 200920150583.0; Utility model name is called: lightning-proof optical cable, the patent No. are: 200920150582.6; Utility model name is called: have the lightning-proof power cable of reinforced layer, the patent No. to be: 200910140719.4; Utility model name is called: multigroup lightning protection optical cable, the patent No. are: 200910140717.5; Utility model name is called: self-supporting lightning-proof optical cable, the patent No. are: the patents such as 200910140715.6, have all formed product and used in operator's communication base station.But they also have the following disadvantages: (1) ground plane adopts the tiltedly mode of bag, and speed of production is slower; (2) armour has only played the effect of armouring, and (3), after standing thunderbolt, the partial earthing layer in cable blows, and sheath is melted in cable core interval insulated wire cores is combined together, makes insulated wire cores be difficult to separation; Can only make waste disposal.
Above-mentioned deficiency has strengthened the maintenance cost after cable thunderbolt.
For this reason, applicant has applied for that on July 1st, 2013 name is called: anti-lightning strike composite cable, the patent No. are: 201320382810.9 utility model patent, although it has reached the object of invention,, also exist following major defect: within electric unit is positioned at inner sheath, electric unit is when serious overload or when conductor is hit by thunder and lightning, conductor temp .-elevating situation is serious, causes insulating barrier softening, even drippage, conductor in adjacent electric unit is collided, and causes secondary disaster; Therefore, the applicant has done further improvement for these innovation and creation.
Utility model content
In order to address the above problem, the purpose of this utility model is to disclose a kind of anti-lightning strike composite cable, and it is realized by the following technical solutions.
Anti-lightning strike composite cable, includes cable core, inner sheath, armour, oversheath, ground plane; Cable core is coated with the first protective layer, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts with ground plane is non-overlay film face; The first protective layer, the second protective layer are all mica tape; It is characterized in that described cable core consists of a plurality of electric units, central isolated component, a plurality of isolated component around, electric unit consists of conductor and the insulating barrier that envelopes conductor; A plurality of electric units are distributed in central isolated component around symmetrically and the insulating barrier of adjacent electric unit is nontangential; Around isolated component be arranged in gap that adjacent electric unit, the first protective layer form and around isolated component and adjacent electric unit and the first protective layer be all tangent, electric unit and the first protective layer are tangent or slightly gapped.
Anti-lightning strike composite cable described above, it is characterized in that described central isolated component and around isolated component be all not conductive exotic material, and softening in the time of 300 ℃.
Anti-lightning strike composite cable described above, it is characterized in that described central isolated component and around the material of isolated component be all pottery or polytetrafluoroethylene; Also material that can central isolated component is pottery, and around the material of isolated component is polytetrafluoroethylene; Material that can also central isolated component is polytetrafluoroethylene, and around the material of isolated component is pottery.
Anti-lightning strike composite cable described above, is characterized in that described ground plane consists of many copper bars or aluminium bar.
Anti-lightning strike composite cable described above, is characterized in that described ground plane is that the direction that favours the direction of cable core axis or be parallel to cable core axis is coated on outside the second protective layer.
Anti-lightning strike composite cable described above, while it is characterized in that described ground plane is coated on outside the second protective layer to favour the direction of cable core axis, coated pitch is 15-30 times of the second protective layer diameter.
Anti-lightning strike composite cable described above, it is characterized in that described electric unit, central isolated component and around isolated component be parallel mode be distributed in cable core or electric unit and around isolated component take the stranded mode of one direction spiral and be distributed in cable core as stranded around central isolated component.
Anti-lightning strike composite cable described above, it is characterized in that described the first protective layer be longitudinally or the mode of spiral be coated on outside cable core; While being longitudinally coated, the overlapping width of overlap joint is 2-4mm; During helical coated, overlap joint Duplication is 15%-30%.
Anti-lightning strike composite cable described above, the material that it is characterized in that described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described above, the material that it is characterized in that described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described above, the material that it is characterized in that described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described above, it is characterized in that described the first protective layer, the second protective layer are all synthetic mica tapes, and the thickness of mica tape is 0.1mm-2mm.
In the utility model, ground plane is metal, and the inner face of armour is non-coating layer with ground plane contact-making surface, therefore be also metal level, makes not only adjacent contact of ground plane, and armour carried out parallel connection, makes ground plane reach less resistance value; Standing thunderstorm hour, the caloric value in short-term of ground plane adds little, and the probability that therefore thunderbolt is blown reduces greatly; In addition, steel dress layer has also played armouring, against pressure, anti-effect of hitting; The existence of the first protective layer, the second protective layer, has isolated heat widely, and in thunderbolt situation, although may produce a large amount of heats, this heat, under the isolation of the first protective layer, the second protective layer, makes the work of the electric unit in cable core unaffected; In addition, thunderbolt high temperature can not enter cable core gap after inner sheath is melted, and therefore, after thunderbolt, when temperature declines, inner sheath still can solidify, and does not substantially affect cable performance, and it is quite convenient to safeguard; In the utility model, due to central isolated component, around isolated component has carried out effectively isolation by adjacent electric unit and position is fixed, even if make conductor use the overcurrent forming or be subject under the overcurrent condition of thunderbolt formation in overload, even the fusing of insulating barrier, also can not affect the transmission of electric power, as long as central isolated component, around the size of isolated component is suitable, the conductor in adjacent electric unit can not contact yet, and can not produce secondary disaster.
Cable of the present utility model when ground plane is parallel with cable core axis, can be produced together in oversheath extrusion process, does not need other stranded operation, and therefore, speed of production is faster, cost is lower.
Therefore, the utlity model has following main beneficial effect: make simple, speed of production is fast, ground plane resistivity is lower, maintenance cost is lower, can normal transmission electric power in overload and thunderbolt situation.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment 1.
Fig. 2 is the cross-sectional structure schematic diagram that Fig. 1 amplifies.
Fig. 3 is the perspective view of the utility model embodiment 2.
Fig. 4 is the cross-sectional structure schematic diagram that Fig. 3 amplifies.
Embodiment
embodiment 1
Ask for an interview Fig. 1 and Fig. 2, anti-lightning strike composite cable, includes cable core, inner sheath 4, armour 7, oversheath 8, ground plane 6; Cable core is coated with the first protective layer 3, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer 5, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts with ground plane is non-overlay film face; The first protective layer, the second protective layer are all mica tape; It is characterized in that described cable core by four electric units 1, central isolated component 22, four around isolated component 21 form, electric unit consists of conductor 11 and the insulating barrier 12 that envelopes conductor; Four electric units are distributed in around central isolated component symmetrically and the insulating barrier of adjacent electric unit is nontangential; Around isolated component be arranged in gap that adjacent electric unit, the first protective layer form and around isolated component and adjacent electric unit and the first protective layer be all tangent, electric unit and the first protective layer are slightly gapped.
embodiment 2
Ask for an interview Fig. 3 and Fig. 4, and with reference to figure 1 and Fig. 2, anti-lightning strike composite cable, includes cable core, inner sheath 4, armour 7, oversheath 8, ground plane 6; Cable core is coated with the first protective layer 3, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer 5, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts with ground plane is non-overlay film face; The first protective layer, the second protective layer are all mica tape; It is characterized in that described cable core by three electric units 1, central isolated component 22, three around isolated component 21 form, electric unit consists of conductor 11 and the insulating barrier 12 that envelopes conductor; Four electric units are distributed in around central isolated component symmetrically and the insulating barrier of adjacent electric unit is nontangential; Around isolated component be arranged in gap that adjacent electric unit, the first protective layer form and around isolated component and adjacent electric unit and the first protective layer be all tangent, electric unit and the first protective layer are tangent.
Certainly, anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, is characterized in that described electric unit can be that other are a plurality of, and described isolated component around also can be that other are a plurality of, in same cable, the quantity of electric unit is the same with the quantity of isolated component around.
Certainly, anti-lightning strike composite cable described above, is characterized in that described electric unit and the first protective layer can be tangent or slightly gapped.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, it is characterized in that described central isolated component and around isolated component be all not conductive exotic material, and softening in the time of 300 ℃.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, it is characterized in that described central isolated component and around the material of isolated component be all pottery or polytetrafluoroethylene.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, is characterized in that described ground plane consists of many copper bars or aluminium bar.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, is characterized in that described ground plane is that the direction that favours the direction of cable core axis or be parallel to cable core axis is coated on outside the second protective layer.
Anti-lightning strike composite cable described above, while it is characterized in that described ground plane is coated on outside the second protective layer to favour the direction of cable core axis, coated pitch is 15-30 times of the second protective layer diameter.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, it is characterized in that described electric unit, central isolated component and around isolated component be parallel mode be distributed in cable core or electric unit and around isolated component take the stranded mode of one direction spiral and be distributed in cable core as stranded around central isolated component.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, it is characterized in that described the first protective layer be longitudinally or the mode of spiral be coated on outside cable core; While being longitudinally coated, the overlapping width of overlap joint is 2-4mm; During helical coated, overlap joint Duplication is 15%-30%.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, the material that it is characterized in that described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
Anti-lightning strike composite cable described in above-mentioned arbitrary embodiment, it is characterized in that described the first protective layer, the second protective layer are all synthetic mica tapes, and the thickness of mica tape is 0.1mm-2mm.
In the utility model, ground plane is metal, and the inner face of armour is non-coating layer with ground plane contact-making surface, therefore be also metal level, makes not only adjacent contact of ground plane, and armour carried out parallel connection, makes ground plane reach less resistance value; Standing thunderstorm hour, the caloric value in short-term of ground plane adds little, and the probability that therefore thunderbolt is blown reduces greatly; In addition, steel dress layer has also played armouring, against pressure, anti-effect of hitting; The existence of the first protective layer, the second protective layer, has isolated heat widely, and in thunderbolt situation, although may produce a large amount of heats, this heat, under the isolation of the first protective layer, the second protective layer, makes the work of the electric unit in cable core unaffected; In addition, thunderbolt high temperature can not enter cable core gap after inner sheath is melted, and therefore, after thunderbolt, when temperature declines, inner sheath still can solidify, and does not substantially affect cable performance, and it is quite convenient to safeguard; In the utility model, due to central isolated component, around isolated component has carried out effectively isolation by adjacent electric unit and position is fixed, even if make conductor use the overcurrent forming or be subject under the overcurrent condition of thunderbolt formation in overload, even the fusing of insulating barrier, also can not affect the transmission of electric power, as long as central isolated component, around the size of isolated component is suitable, the conductor in adjacent electric unit can not contact yet, and can not produce secondary disaster.
Cable of the present utility model when ground plane is parallel with cable core axis, can be produced together in oversheath extrusion process, does not need other stranded operation, and therefore, speed of production is faster, cost is lower.
Therefore, the utlity model has following main beneficial effect: make simple, speed of production is fast, ground plane resistivity is lower, maintenance cost is lower, can normal transmission electric power in overload and thunderbolt situation.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that design of the present utility model can be by other various forms enforcement utilizations, and they drop in protection range of the present utility model equally.
Claims (10)
1. anti-lightning strike composite cable, includes cable core, inner sheath, armour, oversheath, ground plane; Cable core is coated with the first protective layer, inner sheath extrusion molding is coated on outside the first protective layer, and inner sheath is coated with the second protective layer, and ground plane is positioned at outside the second protective layer, and armour is coated on outside ground plane, and oversheath extrusion molding is coated on outside armour; Armour is one side film steel band, and the face that armour contacts with ground plane is non-overlay film face; The first protective layer, the second protective layer are all mica tape; It is characterized in that described cable core consists of a plurality of electric units, central isolated component, a plurality of isolated component around, electric unit consists of conductor and the insulating barrier that envelopes conductor; A plurality of electric units are distributed in central isolated component around symmetrically and the insulating barrier of adjacent electric unit is nontangential; Around isolated component be arranged in gap that adjacent electric unit, the first protective layer form and around isolated component and adjacent electric unit and the first protective layer be all tangent, electric unit and the first protective layer are tangent or gapped.
2. anti-lightning strike composite cable according to claim 1, it is characterized in that described central isolated component and around the material of isolated component be all pottery or polytetrafluoroethylene; Also material that can central isolated component is pottery, and around the material of isolated component is polytetrafluoroethylene; Material that can also central isolated component is polytetrafluoroethylene, and around the material of isolated component is pottery.
3. anti-lightning strike composite cable according to claim 2, is characterized in that described ground plane consists of many copper bars or aluminium bar.
4. anti-lightning strike composite cable according to claim 3, is characterized in that described ground plane is that the direction that favours the direction of cable core axis or be parallel to cable core axis is coated on outside the second protective layer.
5. anti-lightning strike composite cable according to claim 4, while it is characterized in that described ground plane is coated on outside the second protective layer to favour the direction of cable core axis, coated pitch be the second protective layer diameter 15-30 doubly.
6. according to claim 1 or claim 2 or claim 3 or claim 4 or anti-lightning strike composite cable claimed in claim 5, it is characterized in that described electric unit, central isolated component and around isolated component be parallel mode be distributed in cable core or electric unit and around isolated component take the stranded mode of one direction spiral and be distributed in cable core as stranded around central isolated component.
7. anti-lightning strike composite cable according to claim 6, it is characterized in that described the first protective layer be longitudinally or the mode of spiral be coated on outside cable core; While being longitudinally coated, the overlapping width of overlap joint is 2-4mm; During helical coated, overlap joint Duplication is 15%-30%.
8. anti-lightning strike composite cable according to claim 7, the material that it is characterized in that described insulating barrier is polyvinyl chloride or high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
9. anti-lightning strike composite cable according to claim 8, the material that it is characterized in that described oversheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene; The material of described inner sheath is high density polyethylene (HDPE) or medium density polyethylene or low smoke and zero halogen polyethylene.
10. anti-lightning strike composite cable according to claim 9, it is characterized in that described the first protective layer, the second protective layer are all synthetic mica tapes, and the thickness of mica tape is 0.1mm-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299379.6U CN203870998U (en) | 2014-06-07 | 2014-06-07 | Lightening-proof integrated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299379.6U CN203870998U (en) | 2014-06-07 | 2014-06-07 | Lightening-proof integrated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870998U true CN203870998U (en) | 2014-10-08 |
Family
ID=51651923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420299379.6U Expired - Lifetime CN203870998U (en) | 2014-06-07 | 2014-06-07 | Lightening-proof integrated cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203870998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248426A (en) * | 2017-06-28 | 2017-10-13 | 代卫东 | A kind of lightning protected cable of high mechanical strength |
-
2014
- 2014-06-07 CN CN201420299379.6U patent/CN203870998U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248426A (en) * | 2017-06-28 | 2017-10-13 | 代卫东 | A kind of lightning protected cable of high mechanical strength |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee after: JIANGSU ZHONGLI GROUP Co.,Ltd. Address before: 215542 Jiangsu city of Suzhou province Changshou City Shajiabang town southeast of Changshu Development Zone, No. 8 Chang kunlu Patentee before: ZHONGLI SCI-TECH GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |