CN208240378U - A kind of high performance water proof cable - Google Patents
A kind of high performance water proof cable Download PDFInfo
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- CN208240378U CN208240378U CN201820629210.0U CN201820629210U CN208240378U CN 208240378 U CN208240378 U CN 208240378U CN 201820629210 U CN201820629210 U CN 201820629210U CN 208240378 U CN208240378 U CN 208240378U
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Abstract
The utility model discloses a kind of high performance water proof cable, including cable core, the cable core is formed by three eradication edge cable twists, fills non-absorbent material filled layer in the gap of cable core；Wrapped non-woven fabrics outside the cable core, TPO waterproof layer is externally provided in non-woven fabrics, crosslinked polyethylene inner sheath is extruded outside TPO waterproof layer, stainless steel compound belt armor is externally provided in crosslinked polyethylene inner sheath, it is externally provided with environment-friendly waterproof layer in stainless steel compound belt armor, PVC oversheath is extruded outside environment-friendly waterproof layer；The insulation cable is externally provided with macromolecule waterproof layer by insulated wire cores and in insulated wire cores.The utility model meets cable in being chronically at moist, soaking water and in the case where external forces, keeps the security performance of the original power transmission of cable main body.
Description
Technical field
The utility model relates to wire and cable fields, more particularly to one kind to have high performance water proof cable.
Background technique
With the quickening that Chinese Urbanization level is built, traditional aerial insulated cable laying gradually withdraw cities and towns inner ring and
Use low power transmission instead.It lays unavoidable cable using underground piping to be chronically under water, then traditional cable waterproof
Can be poor, for through a long time using that can have moisture inside cable, underground piping water may be industry water, sanitary sewage or other water
Matter causes pH value bigger than normal: strong acid and strong base, seriously affects the service life of cable, and armor corrosion is used for a long time, leads to cable
Protective performance is deteriorated, and if there is biggish mechanical external force or deep-etching, causes insulating layer performance weak and short-circuit, not only can shadow
Work, the life for ringing people, will cause security risk if serious.
For the infiltration of rainwater to be prevented, snow-broth and underground water；Prevent moisture, steam and other harmful gas in air
The erosion of body and liquid；These impermeable, leakages and the material corroded are referred to as waterproof material；Usual waterproof material is monofilm
Shape structure, the strength of materials and anti-pressure ability are limited, lose when will receive to destroy by sharp protrusion or more than deformation intensity
The effect of going waterproof, there is also the weatherability of many defect coiled materials and durability are poor, service life is short.
Utility model content
Purpose of utility model: the purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of with height
Performance water-proof cable meets cable in being chronically at moist, soaking water and in the case where external forces, keeps cable
The security performance of the original power transmission of main body.
Technical solution: in order to solve above-mentioned purpose, a kind of high performance water proof cable described in the utility model, including cable
Core, the cable core are formed by three eradication edge cable twists, fill non-absorbent material filled layer in the gap of cable core；It is described
Cable core outside wrapped non-woven fabrics, be externally provided with TPO waterproof layer in non-woven fabrics, crosslinked polyethylene inner sheath extruded outside TPO waterproof layer,
It is externally provided with stainless steel compound belt armor in crosslinked polyethylene inner sheath, is externally provided with environment-friendly waterproof in stainless steel compound belt armor
Layer, extrudes PVC oversheath outside environment-friendly waterproof layer；The insulation cable is externally provided with height by insulated wire cores and in insulated wire cores
Molecule waterproof layer.
Be further improved, the insulated wire cores by center conductor and the three-layer co-extruded conductor shield outside conductor,
Insulating layer, insulation screen are constituted.
It is further improved, the TPO waterproof layer includes wearing layer, protective layer, TPO macromolecule layer, uvioresistant layer, prevents always
Change layer, reticular structure enhancement layer, corrosion-resistant coating, uncured self-adhesive glue layer, PVA fabric separation layer, the table of the protective layer
Face is equipped with wearing layer, and the wearing layer is made by color sand particle glue connection, and the surface of the TPO macromolecule layer is equipped with protection
Layer, the protective layer are made of needle thorn Polypropylene, and the bottom of this kind of Novel TPO painting waterproof material is PVA fabric separation layer,
The fabric insulation surface is equipped with uncured self-adhesive glue layer, and the uncured self-adhesive glue layer is by butyl hot-melt glue sizing material structure
At；TPO macromolecule layer bottom is equipped with uvioresistant layer, and the uvioresistant layer is made of etfe film；The uvioresistant
Line layer bottom is equipped with anti-aging layer, and the anti-aging layer is made of polyester fiber non-woven fabric；The anti-aging layer bottom is equipped with net
Shape structural reinforcement, the reticular structure enhancement layer are made of phthalic acid acetate fiber；Reticular structure enhancement layer bottom
Equipped with corrosion-resistant coating, the corrosion-resistant coating is made of epoxy resin.
It is further improved, the stainless steel compound belt armor is wrapped on stainless steel band by stainless steel wire to be formed.
It is further improved, the environment-friendly waterproof layer includes flexible waterproof layer, and the flexible waterproof layer upper and lower surface is suppressed
It is fitted with buffering waterproof interlayer, the outer surface compacting of the buffering waterproof interlayer is fitted with nylon outer layer；The flexible waterproof layer
Inside is suppressed with intensity and increases ring, and internal layer resistance to compression pearl is filled in the middle part of the buffering waterproof interlayer, and the resistance to compression bead surface loads
There is middle layer ball, middle layer ball upper surface is filled with the ellipse pearl of outer layer；The intensity increase ring links each other to be reticulated
Arrangement；The middle layer ball is located at the crevice place of internal layer resistance to compression pearl；The ellipse pearl of the outer layer, middle layer ball and internal layer resistance to compression pearl are constituted
Cavity.
The utility model has the advantages that compared with prior art, the utility model has the advantages that:
1, the utility model insulation uses three-layer co-extruded, and inside and outside shielding material selects low resistance thermostabilization graphene compound
Semi-conductive shielding material, thermal stability is strong, improves shielded layer to the homo-effect of electric field, effectively reducing may go out in cable operation
Existing partial discharge phenomenon, and the entire outer diameter of insulated wire cores is reduced, insulation tg δ is reduced, insulation performance, enhancing electricity are optimized
Cable current-carrying capability ensures the safety and reliability of power circuit operation, improves the service life of cable；
2, using TPO waterproof material as waterproof layer, first layer setting is made resistance to internal layer by color sand particle glue connection
Mill layer is not only able to play anti-slip effect as first layer protective layer, can also slow down the breakage of TPO waterproof material, extends TPO
The service life of waterproof material, the protective layer that needle thorn Polypropylene is made, can protect TPO waterproof material as the second layer,
By being arranged by the uvioresistant layer being made of etfe film under TPO macromolecule layer as the 4th layer, reduce due to ultraviolet light
Caused by material breakage, improve ultraviolet light under the conditions of resistance, under uvioresistant layer be arranged by polyester fiber non-woven fabric structure
At anti-aging layer there is antiageing effect as layer 5, while having both certain waterproof effect, improve TPO waterproof material
Toughness, reinforce waterproof effect, slow down aged deterioration it is moist caused by material it is not applicable, be arranged under anti-aging layer by benzene diformazan
Sour acetate fiber constitutes reticular structure enhancement layer as layer 6, and reticular structure is reinforced, and guarantees that TPO waterproof material has high intensity
Anti-breaking, anti-fold, anti-slight crack, the corrosion-resistant coating that is made of epoxy resin is set under reticular structure enhancement layer as the 7th
Layer prevents the damage of the high strength and corrosive resistance liquid such as strong acid, highly basic or gas to TPO waterproof material, keeps to corrosive liquids
The resistance of gas, last two layers of setting PVA fabric separation layer and the uncured self-adhesion being made of butyl hot-melt glue sizing material
Glue-line, can be in the underlying PVA fabric automatic classifying of warm water condition, uncured self-adhesive glue layer butyl hot-melt as eight or nine layers
Glue sizing material is sticked on cable automatically, substantially increases cable waterproof performance；
3, outer layer, when applied external force acts on material, is impacted using environment-friendly waterproof material as waterproof outer layer
Power can carry out initial absorption by deformation by outer layer ellipsoid, and the impact force after absorption is resisted by the ellipse pearl of outer layer, middle layer ball and internal layer
Compression bead constitutes cavity and carries out double absorption, and when deformation power occurs, deformation power can be increased by the intensity of flexible waterproof layer and its inside
Add ring to carry out load distribution, increases ability of anti-deformation, improve the service performance of material, as outer layer, substantially increase cable
Block-water performance, anti-deformation intensity, the deformation intensity that can bear cable increase, and increase the service life of cable, and slow
It rushes and fills internal layer resistance to compression pearl, middle layer ball and the ellipse pearl of outer layer in waterproof interlayer, increase anti-pressure ability and impact resistance, thus
The survivability for increasing entire material greatly improves each performance of cable.
4, high polymer waterproof material is used outside insulated wire cores, there is excellent weatherability, peel strength and waterproof performance, it can
The waterproof barrier of skin-type is made for the innermost layer of cable, standby simple process, production cost is low, has both spy economical and environmentally friendly
Point, the bright prospects with large-scale industrial application.
5, the production structure of traditional cable is improved, the material of selection is optimized, and fundamentally guarantees electricity
Cable main body is not immersed by water, and considers the cost of production, about increases by 5% manufacturing expense in the cost of traditional cable, is consumption
The customer expected price of person is acceptable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the TPO waterproof layer of the utility model；
Fig. 3 is the structural schematic diagram of the environment-friendly waterproof layer of the utility model；
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of high performance water proof cable, including cable core, the cable core by three thoroughly do away with edge cable twists and
Be externally provided with macromolecule waterproof layer 5 by insulated wire cores and in insulated wire cores at, the insulation cable, the insulated wire cores by
Center conductor 1 and the three-layer co-extruded conductor shield 2 outside conductor, insulating layer 3, insulation screen 4 are constituted；In the sky of cable core
Non-absorbent material filled layer 6 is filled at gap；Wrapped non-woven fabrics 7 outside the cable core is externally provided with TPO waterproof layer 8 in non-woven fabrics,
Crosslinked polyethylene inner sheath 9 is extruded outside TPO waterproof layer, is externally provided with stainless steel compound belt armor in crosslinked polyethylene inner sheath
10, it is externally provided with environment-friendly waterproof layer 11 in stainless steel compound belt armor, PVC oversheath 12 is extruded outside environment-friendly waterproof layer.
As shown in Fig. 2, the TPO waterproof layer 8 includes wearing layer 81, protective layer 82, TPO macromolecule layer 83, uvioresistant
Layer 84, anti-aging layer 85, reticular structure enhancement layer 86, corrosion-resistant coating 87, uncured self-adhesive glue layer 88, the isolation of PVA fabric
The surface of layer 89, the protective layer 82 is equipped with wearing layer 81, and the wearing layer 81 is made by color sand particle glue connection, described
The surface of TPO macromolecule layer 83 is equipped with protective layer 82, and the protective layer 82 is made of needle thorn Polypropylene, this kind of Novel TPO painting waterproof
The bottom of material is PVA fabric separation layer 89, and 89 surface of fabric separation layer is equipped with uncured self-adhesive glue layer
88, the uncured self-adhesive glue layer 88 is made of butyl hot-melt glue sizing material；83 bottom of TPO macromolecule layer is equipped with uvioresistant
Layer 84, the uvioresistant layer 84 is made of etfe film；84 bottom of uvioresistant layer is equipped with anti-aging layer 85, described anti-
Aging layer 85 is made of polyester fiber non-woven fabric；85 bottom of anti-aging layer is equipped with reticular structure enhancement layer 86, described netted
Structural reinforcement 86 is made of phthalic acid acetate fiber；86 bottom of reticular structure enhancement layer is equipped with corrosion-resistant coating 87, institute
Corrosion-resistant coating 87 is stated to be made of epoxy resin.
As shown in Figure 3-4, the environment-friendly waterproof layer 11 includes flexible waterproof layer 113, following table on the flexible waterproof layer 113
Face, which is suppressed, is fitted with buffering waterproof interlayer 112, and the outer surface compacting of the buffering waterproof interlayer 112 is fitted with nylon outer layer
111；It is suppressed with intensity inside the flexible waterproof layer 113 and increases ring 114, is filled in the middle part of the buffering waterproof interlayer 112 interior
Layer resistance to compression pearl 117,117 surface of resistance to compression pearl are filled with middle layer ball 116, and 116 upper surface of middle layer ball is filled with outer
The ellipse pearl 115 of layer；The intensity increase ring 114 links each other reticulates arrangement；The middle layer ball 116 is located at internal layer resistance to compression
The crevice place of pearl 117；The ellipse 115 middle layer ball 116 of pearl of outer layer constitutes cavity with internal layer resistance to compression pearl 117；Work as applied external force
When acting on material, impact force can carry out initial absorption by deformation by outer layer ellipsoid, and the impact force after absorption is ellipse by outer layer
Pearl, middle layer ball and internal layer resistance to compression pearl constitute cavity and carry out double absorption, and when deformation power occurs, deformation power can pass through flexible water
The intensity of layer and its inside increases ring and carries out load distribution, increases ability of anti-deformation, improves the service performance of material.
The stainless steel compound belt armouring protection against rodents layer is wrapped on stainless steel band by stainless steel wire to be formed, and described is stainless
The angle of the crossing of steel wire and stainless steel band is 80 °；The stainless steel wire winding pitch is 23mm, and winding direction need to be taken with stainless steel band
It is consistent to connect direction, steel wire must not be bitten broken by muroid and can just play a supporting role, therefore select 06Gr19Ni10,22Gr19Ni10
(high ni-type) stainless steel wire, size need >=0.3mm, stretch modulus are > 200GPa, and tensile strength > 1670Mpa solves pine
Mouse can longitudinally bite to open steel band lap seam, and cable core is exposed, further bites optical fiber broken；In bending section, longitudinal wrap steel band
The problem of lap seam can be bent to indulge and hold, exposure cable core, then squirrel further deeply encroaches on, bites optical fiber broken.
A kind of preparation method of high performance water proof cable, includes the following steps:
1) it is electrolysed copper weld pool, continuous casting and rolling goes out 8.0 mm cathode copper bar of Φ；
2) 8.0 mm cathode copper bar of Φ carries out the soft copper silk that Φ 2.58mm is made in wire drawing and annealing；
3) soft copper silk of 61 2.58 mm of Φ is twisted, is twisted the conductor for the 300mm2 that outer diameter is 20.7mm；
4) three-layer co-extruded conductor shield, insulating layer, insulation screen outside conductor, using extrusion die, conductor shield,
Insulating layer, insulation screen thickness are respectively 0.6mm, 4.5 mm, 0.8mm, and insulation screen outer diameter is 34.5mm；
5) wrapped soft copper strip shielding, thickness 0.12mm, width 40mm are overlapped outside insulation screen, shielding outer diameter is
35.2mm, constitutes insulated wire cores, and insulated wire cores production terminates to be chemically crosslinked in the time of 3h/mm ratio；
6) wrapped macromolecule waterproof layer outside insulated wire cores, is then rolled with pressure roller back and forth；
7) three insulated wire cores mutually tighten stranding by cable-former, and non-hygroscopic is filled in rundown process and fills material
Material prevents loose, wrapped non-woven fabrics outside cable core；
8) one layer of TPO waterproof layer is pasted by glue outside non-woven fabrics, then it is dried；
9) the crosslinked polyethylene inner sheath of wanted thickness is extruded outside TPO waterproof layer, specially one-step method silanes are cross-linking
It is the first area 130, the second 140 DEG C of area, third area that polythene material, which is each area's temperature setting of 120 extruding machines using equipment draw ratio,
150 DEG C, the 4th area is 160 DEG C, and the 5th area is 175 DEG C, the 6th area 185,195 DEG C of District 7,200-210 DEG C of neck of head machine,
This temperature range, District 7 to a head area at least area are not less than 200 DEG C, and 200 DEG C are that the material can be in normal temperature condition
Under the primary condition that is voluntarily crosslinked；Remaining each area temperature deviation ± 5 DEG C；This process save warm water crosslinking generation it is a series of at
This；This process is that outer jacket causes water to enter inner insulating layer and the quarantine measures that carry out because certain situation is soaked in order to prevent；
10) direction contrary with stranding outside crosslinked polyethylene inner sheath winds stainless steel compound belt armor, no
The structure of rust steel composite band armor is wrapped on stainless steel band for stainless steel wire to be formed, the stainless steel wire and stainless steel band
Angle be 80 °；
11) the wrapped environment-friendly waterproof layer outside stainless steel compound belt armor, is then rolled with pressure roller back and forth；
12) PVC oversheath is extruded outside environment-friendly waterproof layer, specifically by two head of double-layer coextrusion, the distance between 2 meters
Length is advisable, and is crowded tubular type production, and internal layer extrudes XLPE material, and outer layer extrudes PVC material, mold core when extruding PVC outer jacket
Aperture should be at least 1.3 times of 2 outer diameter of sheath, then install an exhaust fan additional, guarantee that XLPE sheath 2 and PVC outer jacket are tight
It is close to be connected；This production method advantage is selected to save time, save the cost；Moisture enters inside cable this process in order to prevent, former
This PVC material block-water performance is poor, causes armor to corrode once who enters, and causes not had protection electricity by external forces
The effect of cable can be completely cut off completely moisture outside by double-layer coextrusion outer jacket, and armor plays the work of long-term protection cable
With.
Be further improved, insulating layer described in step 4) is two-step method silane cross-linkable polyethylene material expected by A be
Silane polyethylene, B material are that catalyst masterbatch progress ratio 0.3:5 is uniformly mixed, and process equipment is that draw ratio is that 90 extruding machines are each
175 DEG C of the firstth area of area's temperature setting, the second 178 DEG C of area, 182 DEG C of third area, the 4th area are 185 DEG C, and the 5th area is 188 DEG C, machine
Neck is 188 DEG C, and head is the setting of 185 area DEG CGe temperature, temperature controlling range ± 5 DEG C；
Be further improved, macromolecule waterproof layer described in step 4), including polymer colloid, the polymer colloid by with
The component of lower parts by weight is kneaded:
Hot melt adhesive: 10-30 parts；
Naphthenic oil: 4-8 parts；
White cement: 30-50 parts；
Quartz sand: 20-40 parts；
Green pigment: 1.5-1.7 parts；
The macromolecule waterproof layer further includes fetal membrane and isolation film, the uniform dip-coating of polymer colloid in the fetal membrane and
Between isolation film.
It is further improved, the preparation method of the macromolecule waterproof layer includes the following steps:
1) it weighs by weight in 10-30 parts and naphthenic oil 4-8 parts investment stills for air blowing of hot melt adhesive, is heated to 130~160
DEG C, melt and stirs evenly；
2) white cement 30-50 parts of addition, 20-40 parts of quartz sand and green pigment 1.5- into the mixture of step 1) preparation
1.7 parts, heating temperature is stirred evenly at 100~180 DEG C, and polymer colloid is prepared；
3) by the uniform dip-coating to fetal membrane and isolation film of polymer colloid of step 2) preparation, then extrusion forming is volume
Material through cooling, metering, reel and is packed.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, without departing from the principle of this utility model, can also make several improvements, these improvement also should be regarded as
The protection scope of the utility model.
Claims (5)
1. a kind of high performance water proof cable, it is characterised in that: including cable core, the cable core by three thoroughly do away with edge cable twists and
At in the gap of cable core filling non-absorbent material filled layer；Wrapped non-woven fabrics outside the cable core, is externally provided in non-woven fabrics
TPO waterproof layer extrudes crosslinked polyethylene inner sheath outside TPO waterproof layer, is externally provided with stainless steel double in crosslinked polyethylene inner sheath
Crossed belt armor is externally provided with environment-friendly waterproof layer in stainless steel compound belt armor, PVC oversheath is extruded outside environment-friendly waterproof layer；
The insulation cable is externally provided with macromolecule waterproof layer by insulated wire cores and in insulated wire cores.
2. high performance water proof cable according to claim 1, it is characterised in that: the insulated wire cores by center conductor with
And the three-layer co-extruded conductor shield outside conductor, insulating layer, insulation screen are constituted.
3. high performance water proof cable according to claim 1, it is characterised in that: the TPO waterproof layer includes wearing layer, protects
Sheath, TPO macromolecule layer, uvioresistant layer, anti-aging layer, reticular structure enhancement layer, corrosion-resistant coating, uncured self-adhesive glue layer,
PVA fabric separation layer, the surface of the protective layer are equipped with wearing layer, the wearing layer made by color sand particle glue connection and
At the surface of the TPO macromolecule layer is equipped with protective layer, and the protective layer is made of needle thorn Polypropylene, this kind of Novel TPO painting waterproof
The bottom of layer is PVA fabric separation layer, and the PVA fabric insulation surface is equipped with uncured self-adhesive glue layer, described
Uncured self-adhesive glue layer is made of butyl hot-melt glue sizing material；TPO macromolecule layer bottom is equipped with uvioresistant layer, the anti-purple
Outside line layer is made of etfe film；The uvioresistant layer bottom be equipped with anti-aging layer, the anti-aging layer by polyester fiber without
Woven fabric is constituted；The anti-aging layer bottom is equipped with reticular structure enhancement layer, and the reticular structure enhancement layer is by phthalic acid acetic acid
Fiber is constituted；Reticular structure enhancement layer bottom is equipped with corrosion-resistant coating, and the corrosion-resistant coating is made of epoxy resin.
4. high performance water proof cable according to claim 1, it is characterised in that: the stainless steel compound belt armor by
Stainless steel wire is wrapped on stainless steel band and forms.
5. high performance water proof cable according to claim 1, it is characterised in that: the environment-friendly waterproof layer includes flexible water
Layer, the flexible waterproof layer upper and lower surface, which is suppressed, is fitted with buffering waterproof interlayer, the appearance face pressure of the buffering waterproof interlayer
System is fitted with nylon outer layer；It is suppressed with intensity inside the flexible waterproof layer and increases ring, is loaded in the middle part of the buffering waterproof interlayer
There is internal layer resistance to compression pearl, the resistance to compression bead surface is filled with middle layer ball, and middle layer ball upper surface is filled with the ellipse pearl of outer layer；Institute
It states intensity and increases ring and link reticulate arrangement each other；The middle layer ball is located at the crevice place of internal layer resistance to compression pearl；It is described outer
The ellipse pearl of layer, middle layer ball and internal layer resistance to compression pearl constitute cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629210.0U CN208240378U (en) | 2018-04-28 | 2018-04-28 | A kind of high performance water proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629210.0U CN208240378U (en) | 2018-04-28 | 2018-04-28 | A kind of high performance water proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240378U true CN208240378U (en) | 2018-12-14 |
Family
ID=64582211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820629210.0U Expired - Fee Related CN208240378U (en) | 2018-04-28 | 2018-04-28 | A kind of high performance water proof cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN208240378U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550428A (en) * | 2018-04-28 | 2018-09-18 | 江苏华亚电缆有限公司 | A kind of high performance water proof cable and preparation method thereof |
| CN110010277A (en) * | 2019-05-16 | 2019-07-12 | 江苏港通电缆有限公司 | A kind of anti-aging cable of sealing |
| CN111613363A (en) * | 2020-04-24 | 2020-09-01 | 周民主 | High-elasticity composite cable |
| CN114822936A (en) * | 2022-04-27 | 2022-07-29 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
-
2018
- 2018-04-28 CN CN201820629210.0U patent/CN208240378U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550428A (en) * | 2018-04-28 | 2018-09-18 | 江苏华亚电缆有限公司 | A kind of high performance water proof cable and preparation method thereof |
| CN108550428B (en) * | 2018-04-28 | 2024-06-18 | 江苏华亚电缆有限公司 | High-performance waterproof cable and preparation method thereof |
| CN110010277A (en) * | 2019-05-16 | 2019-07-12 | 江苏港通电缆有限公司 | A kind of anti-aging cable of sealing |
| CN111613363A (en) * | 2020-04-24 | 2020-09-01 | 周民主 | High-elasticity composite cable |
| CN114822936A (en) * | 2022-04-27 | 2022-07-29 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
| CN114822936B (en) * | 2022-04-27 | 2024-03-05 | 浙江三科线缆股份有限公司 | Drag chain cable and forming process thereof |
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