CN111524651A - Flame-retardant cable - Google Patents
Flame-retardant cable Download PDFInfo
- Publication number
- CN111524651A CN111524651A CN202010558680.4A CN202010558680A CN111524651A CN 111524651 A CN111524651 A CN 111524651A CN 202010558680 A CN202010558680 A CN 202010558680A CN 111524651 A CN111524651 A CN 111524651A
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- Prior art keywords
- retardant
- fixedly connected
- layer
- flame
- tensile
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/189—Radial force absorbing layers providing a cushioning effect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention relates to the technical field of cables, in particular to a flame-retardant cable, wherein a plurality of uniformly distributed mounting holes are formed in a radiating inner filling core, a heat-conducting flame-retardant sleeve is fixedly connected to the inner side of each mounting hole, an insulating sleeve is fixedly connected to the inner side of each heat-conducting flame-retardant sleeve, a wire core is fixedly connected to the inner side of each insulating sleeve, a tensile layer is fixedly connected to the outer side of the radiating inner filling core, a plurality of uniformly distributed inner semicircular grooves are formed in the inner side of each tensile layer, high-strength tensile ropes are fixedly connected to the inner sides of the inner semicircular grooves, and a plurality of uniformly distributed outer semicircular grooves are formed. According to the invention, the heat-dissipation inner filling core, the heat-conduction flame-retardant sleeve, the tensile layer, the high-strength tensile rope, the inner impact-resistant layer, the outer impact-resistant layer, the supporting spring, the inner fireproof flame-retardant layer, the protective layer and the fireproof flame-retardant outer skin are arranged, so that the heat-dissipation inner flame-retardant heat-dissipation anti-tension anti-breaking anti-impact composite material has multiple flame-retardant, heat-dissipation, tensile, anti.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a flame-retardant cable.
Background
The cable is made of one or more mutually insulated conductors and an outer insulation protective layer, and is a wire for transmitting power or information from one place to another place, wherein the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a cable is single in structure, single in function and poor in flame retardance, so that the cable is low in safety, poor in impact resistance and easy to break due to impact force or strong tensile force.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flame-retardant cable is designed, comprising a heat dissipation inner filling core, wherein a plurality of uniformly distributed mounting holes are formed in the heat dissipation inner filling core, a heat conduction flame-retardant sleeve is fixedly connected to the inner side of each mounting hole, an insulating sleeve is fixedly connected to the inner side of each heat conduction flame-retardant sleeve, a wire core is fixedly connected to the inner side of each insulating sleeve, a tensile layer is fixedly connected to the outer side of each heat dissipation inner filling core, a plurality of uniformly distributed inner semicircular grooves are formed in the inner side of each tensile layer, high-strength tensile ropes are fixedly connected to the inner side of each inner semicircular groove, a plurality of uniformly distributed outer semicircular grooves are formed in the outer side of each heat dissipation inner filling core, each high-strength tensile rope is fixedly connected to the inner side of each outer semicircular groove, an inner anti-impact layer is fixedly connected to the outer side of each tensile layer, an outer anti-impact layer, outer heliciform inslot side fixed connection is equipped with supporting spring, outer shock resistance inboard is equipped with interior heliciform groove, heliciform inslot side including supporting spring fixed connection, outer shock resistance outside fixed connection is equipped with water proof dampproof course, fire-retardant layer of preventing fires in water proof dampproof course outside fixed connection is equipped with, fire-retardant layer outside fixed connection of preventing fires is equipped with the protective layer in, protective layer outside fixed connection is equipped with the fire-retardant crust of preventing fires.
Preferably, the outer side of the fireproof flame-retardant outer skin is fixedly connected with a plurality of wear-resistant stripes which are uniformly distributed, and the wear-resistant stripes are made of nitrile rubber.
Preferably, the protective layer is a woven mesh structure.
Preferably, the protective layer is made of metal.
Preferably, the supporting spring is made of spring steel.
Preferably, the high-strength tensile rope is made of aramid fiber composite materials.
Preferably, the insulating sleeve is made of polyethylene.
Preferably, the inner fireproof flame-retardant layer is made of polyvinyl chloride.
The flame-retardant cable provided by the invention has the beneficial effects that: the heat dissipation inner filling core can absorb and dissipate the heat generated by the wire core in the use process through the arrangement of the heat dissipation inner filling core, the insulating sleeve and the wire core, thereby preventing the heat in the wire core from accumulating, having the heat dissipation function, enabling the wire core to have the independent flame retardant function through the arrangement of the heat conduction flame retardant sleeve, preventing the wire core from burning from the inside, enabling the wire core to have stronger tensile property through the arrangement of the tensile layer, the inner semicircular groove, the high-strength tensile rope and the outer semicircular groove, bearing larger tensile force, thereby preventing the wire core from being broken due to overlarge tensile force in use, having the anti-breaking function, having stronger impact resistance through the arrangement of the inner impact resistance layer, the outer spiral groove, the supporting spring and the inner spiral groove, enabling the supporting spring to buffer the impact force when the wire core is subjected to the instantaneous impact force, and preventing the wire core from being broken due to the overlarge instantaneous impact force, the anti-breaking performance of the anti-breaking fireproof protective layer is further improved, the supporting spring can have resilience performance due to the tension of the supporting spring, the anti-breaking fireproof protective layer can automatically restore to the original state after external tension is eliminated, and has a supporting function.
Drawings
Fig. 1 is a schematic front axial view of a flame retardant cable according to the present invention;
FIG. 2 is a schematic view of a portion of the enlarged structure of the area A in FIG. 1;
FIG. 3 is a schematic structural diagram of a tensile layer proposed in the present invention;
fig. 4 is a schematic structural view of a heat dissipation inner filling core proposed in the present invention;
FIG. 5 is a schematic structural view of an inner impact resistant layer proposed in the present invention;
FIG. 6 is a schematic cross-sectional axial view of the outer impact resistant layer proposed in the present invention;
fig. 7 is a schematic structural view of a support spring according to the present invention.
In the figure: the heat dissipation inner filling core 1, the heat conduction flame-retardant sleeve 2, the insulating sleeve 3, the wire core 4, the tensile layer 5, the inner semicircular groove 6, the high-strength tensile rope 7, the outer semicircular groove 8, the inner impact-resistant layer 9, the outer impact-resistant layer 10, the outer spiral groove 11, the supporting spring 12, the inner spiral groove 13, the water-resisting moisture-proof layer 14, the inner fireproof flame-retardant layer 15, the protective layer 16, the fireproof flame-retardant outer skin 17 and the wear-resistant stripes 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a flame-retardant cable comprises a heat-dissipating inner filling core 1, wherein a plurality of uniformly distributed mounting holes are formed in the heat-dissipating inner filling core 1, heat-conducting flame-retardant sleeves 2 are fixedly connected to the inner sides of the mounting holes, so that the wire cores 4 have independent flame-retardant functions and can be prevented from burning from the inside, insulating sleeves 3 are fixedly connected to the inner sides of the heat-conducting flame-retardant sleeves 2, the insulating sleeves 3 are made of polyethylene, the wire cores 4 are fixedly connected to the inner sides of the insulating sleeves 3, so that in the using process, the heat generated by the wire cores 4 can be absorbed and dissipated by the heat-dissipating inner filling core 1, thereby preventing the internal heat from accumulating, and having a heat-dissipating function, a tensile layer 5 is fixedly connected to the outer side of the heat-dissipating inner filling core 1, a plurality of uniformly distributed inner semicircular grooves 6 are formed in the inner side of the tensile layer, make it have stronger tensile property, can bear great pulling force, thereby can prevent that it from when using, because of the too big fracture of pulling force, have the function of preventing breaking, tensile rope 7 that excels in is aramid fiber composite material, fill core 1 outside in the heat dissipation and be equipped with a plurality of evenly distributed's outer semi-circular groove 8, the equal fixed connection of tensile rope 7 that excels in is at outer semi-circular groove 8 inboard, tensile layer 5 outside fixed connection is equipped with interior shock resistance 9, the 9 outside fixed connection of interior shock resistance is equipped with outer shock resistance 10, the 9 outside of interior shock resistance is equipped with outer heliciform groove 11.
The inner side of the outer spiral groove 11 is fixedly connected with a supporting spring 12 to enable the supporting spring 12 to have stronger impact resistance, when the supporting spring 12 receives instant impact force, the supporting spring 12 can buffer the impact force to prevent the impact force from being broken due to overlarge instant impact force, the fracture resistance of the supporting spring is further improved, the supporting spring 12 has resilience performance due to tension force, when external tension force is eliminated, the supporting spring can automatically restore to an original state and has a supporting function, the supporting spring 12 is made of spring steel, the inner side of the outer impact layer 10 is provided with an inner spiral groove 13, the supporting spring 12 is fixedly connected with the inner side of the inner spiral groove 13, the outer side of the outer impact layer 10 is fixedly connected with a water-proof moisture-proof layer 14 to enable the outer impact layer to have a moisture-proof function, the outer side of the water-proof moisture-proof layer 14 is fixedly connected with an inner fireproof flame-retardant layer 15, the inner fireproof flame-, protective layer 16 is the metal material, protective layer 16 is for weaving network structure, protective layer 16 outside fixed connection is equipped with fire prevention fire-retardant crust 17, make it have multiple fire-retardant function, when fire prevention fire-retardant crust 17 is damaged, protective layer 16 can continue to protect its inner structure, and protective layer 16 is the metal mesh grid, make protective layer 16 have certain elasticity, and have wear-resisting, prevent sharp ware function, can protect fire-retardant layer 15 of internal fire prevention and its inner structure, even after fire prevention fire-retardant crust 17 is damaged, fire prevention fire-retardant layer 15 still has fire behaviour, make it have higher security, fire prevention fire-retardant crust 17 outside fixed connection is equipped with a plurality of evenly distributed's wear-resisting stripe 18, wear-resisting stripe 18 is the butadiene-acrylonitrile rubber material.
In the invention, when in use, the heat dissipation inner filling core 1, the insulating sleeve 3 and the wire core 4 are arranged, so that the heat dissipation inner filling core 1 can absorb and dissipate the heat generated by the wire core 4 in the use process, thereby preventing the heat in the wire core from accumulating, having the heat dissipation function, the wire core 4 has the independent flame retardant function by arranging the heat conduction flame retardant sleeve 2, thereby preventing the wire core from burning from the inside, the tensile layer 5, the inner semicircular groove 6, the high-strength tensile rope 7 and the outer semicircular groove 8 have stronger tensile property and can bear larger tensile force, thereby preventing the wire core from being broken due to overlarge tensile force when in use, having the anti-breaking function, the inner impact resistance layer 9, the outer impact resistance layer 10, the outer spiral groove 11, the supporting spring 12 and the inner spiral groove 13 are arranged, thereby having stronger impact resistance, and the supporting spring 12 can buffer the impact force when the wire core is subjected to instantaneous impact force, can prevent it from breaking because of too large instantaneous impact force, further improve its and prevent the performance of breaking, and the tension of the supporting spring 12 can make it have resilience performance, after the external pulling force is eliminated, can make it restore to the original state automatically, and have supporting function, make it have dampproof function through setting up the water-proof dampproof layer 14, through setting up fire-retardant layer 15, protective layer 16, fire-retardant crust 17 of fire prevention, make it have multiple fire-retardant functions, when the fire-retardant crust 17 of fire prevention is damaged, the protective layer 16 can continue to protect its internal structure, and the protective layer 16 is the metal mesh grid, make the protective layer 16 have certain elasticity, and have wear-resisting, defend the sharp ware function, can protect fire-retardant layer 15 and its internal structure of internal fire prevention, even after the fire-retardant crust 17 of fire prevention is damaged, the fire-retardant layer 15 still has fire-retardant performance, make it have higher security, have multiple fire-retardant, it, Heat dissipation, tensile, prevent breaking, shock resistance etc.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A flame-retardant cable comprises a heat dissipation inner filling core (1), and is characterized in that a plurality of uniformly distributed mounting holes are formed in the heat dissipation inner filling core (1), a heat conduction flame-retardant sleeve (2) is fixedly connected to the inner side of each mounting hole, an insulating sleeve (3) is fixedly connected to the inner side of each heat conduction flame-retardant sleeve (2), a wire core (4) is fixedly connected to the inner side of each insulating sleeve (3), a tensile layer (5) is fixedly connected to the outer side of the heat dissipation inner filling core (1), a plurality of uniformly distributed inner semicircular grooves (6) are formed in the inner side of each tensile layer (5), high-strength tensile ropes (7) are fixedly connected to the inner side of each inner semicircular groove (6), a plurality of uniformly distributed outer semicircular grooves (8) are formed in the outer side of the heat dissipation inner filling core (1), and the high-strength tensile ropes (7) are fixedly connected to the inner side of, an inner shock resistant layer (9) is fixedly connected with the outer side of the tensile layer (5), an outer shock resistant layer (10) is fixedly connected with the outer side of the inner shock resistant layer (9), an outer spiral groove (11) is arranged on the outer side of the inner shock resistant layer (9), a supporting spring (12) is fixedly connected on the inner side of the outer spiral groove (11), an inner spiral groove (13) is arranged on the inner side of the outer impact resistant layer (10), the supporting spring (12) is fixedly connected with the inner side of the inner spiral groove (13), a water-proof and moisture-proof layer (14) is fixedly connected with the outer side of the outer impact-resistant layer (10), an inner fireproof flame-retardant layer (15) is fixedly connected with the outer side of the waterproof and damp-proof layer (14), a protective layer (16) is fixedly connected and arranged on the outer side of the inner fireproof flame-retardant layer (15), and a fireproof flame-retardant outer skin (17) is fixedly connected to the outer side of the protective layer (16).
2. The flame-retardant cable according to claim 1, wherein a plurality of wear-resistant stripes (18) are uniformly distributed and fixedly connected to the outer side of the fireproof flame-retardant sheath (17), and the wear-resistant stripes (18) are made of nitrile rubber.
3. A flame retardant cable according to claim 1 wherein the protective layer (16) is a woven mesh structure.
4. A flame retardant cable according to claim 1 wherein the protective layer (16) is of metal.
5. A fire-retardant cable according to claim 1, wherein said supporting spring (12) is made of spring steel.
6. A fire-retardant cable according to claim 1, characterised in that said high-strength tensile cord (7) is of aramid fibre composite material.
7. A flame retardant cable according to claim 1 wherein said insulating sheath (3) is of polyethylene.
8. A fire-retardant cable in accordance with claim 1, characterized in that said inner fire-retardant layer (15) is of polyvinyl chloride.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010558680.4A CN111524651A (en) | 2020-06-18 | 2020-06-18 | Flame-retardant cable |
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CN202010558680.4A CN111524651A (en) | 2020-06-18 | 2020-06-18 | Flame-retardant cable |
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CN111524651A true CN111524651A (en) | 2020-08-11 |
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CN202010558680.4A Pending CN111524651A (en) | 2020-06-18 | 2020-06-18 | Flame-retardant cable |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112466525A (en) * | 2020-11-11 | 2021-03-09 | 扬州力源线缆有限公司 | Impact-resistant waterproof marine cable |
Citations (8)
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US20020097966A1 (en) * | 2001-01-16 | 2002-07-25 | Zelesnik Dale J. | Flame retardant tubing bundle |
CN104505168A (en) * | 2014-12-18 | 2015-04-08 | 国家电网公司 | Computer cable |
CN108878034A (en) * | 2018-06-07 | 2018-11-23 | 安徽庆华电缆有限公司 | A kind of automobile-used low voltage control cable of New energy electric |
CN209118795U (en) * | 2018-09-11 | 2019-07-16 | 东莞市领康特种导体有限公司 | A kind of alloy wire that intensity high resiliency is strong |
CN209962761U (en) * | 2019-05-14 | 2020-01-17 | 西部电缆股份有限公司 | Power cable with excellent heat dissipation performance |
CN110797141A (en) * | 2018-08-01 | 2020-02-14 | 广东吉青电缆实业有限公司 | Wear-resistant anti-dragging heat dissipation type multifunctional cable for charging electric automobile and manufacturing method |
CN210223647U (en) * | 2019-10-15 | 2020-03-31 | 四川韦克电缆有限公司 | Novel environmental protection photovoltaic cable |
CN210722501U (en) * | 2019-10-16 | 2020-06-09 | 河北创进电缆有限公司 | Novel dampproofing power cable blocks water |
-
2020
- 2020-06-18 CN CN202010558680.4A patent/CN111524651A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020097966A1 (en) * | 2001-01-16 | 2002-07-25 | Zelesnik Dale J. | Flame retardant tubing bundle |
CN104505168A (en) * | 2014-12-18 | 2015-04-08 | 国家电网公司 | Computer cable |
CN108878034A (en) * | 2018-06-07 | 2018-11-23 | 安徽庆华电缆有限公司 | A kind of automobile-used low voltage control cable of New energy electric |
CN110797141A (en) * | 2018-08-01 | 2020-02-14 | 广东吉青电缆实业有限公司 | Wear-resistant anti-dragging heat dissipation type multifunctional cable for charging electric automobile and manufacturing method |
CN209118795U (en) * | 2018-09-11 | 2019-07-16 | 东莞市领康特种导体有限公司 | A kind of alloy wire that intensity high resiliency is strong |
CN209962761U (en) * | 2019-05-14 | 2020-01-17 | 西部电缆股份有限公司 | Power cable with excellent heat dissipation performance |
CN210223647U (en) * | 2019-10-15 | 2020-03-31 | 四川韦克电缆有限公司 | Novel environmental protection photovoltaic cable |
CN210722501U (en) * | 2019-10-16 | 2020-06-09 | 河北创进电缆有限公司 | Novel dampproofing power cable blocks water |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112466525A (en) * | 2020-11-11 | 2021-03-09 | 扬州力源线缆有限公司 | Impact-resistant waterproof marine cable |
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