CN109448920A - A kind of warship marine explosion-proof communication cable manufacturing method - Google Patents
A kind of warship marine explosion-proof communication cable manufacturing method Download PDFInfo
- Publication number
- CN109448920A CN109448920A CN201811312688.1A CN201811312688A CN109448920A CN 109448920 A CN109448920 A CN 109448920A CN 201811312688 A CN201811312688 A CN 201811312688A CN 109448920 A CN109448920 A CN 109448920A
- Authority
- CN
- China
- Prior art keywords
- test
- communication cable
- oversheath
- cable manufacturing
- proof communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
Abstract
The present invention relates to cable production arts, specifically a kind of warship marine explosion-proof communication cable manufacturing method, separation layer-line extrudes-inner sheath cross-linking radiation-wrapped total shielded layer-braiding armor-oversheath extrusion-oversheath cross-linking radiation-product inspection-finished product to stranding-inner sheath between sorting-wire drawing-insulated wire cores conductor strand-insulation extrusion-insulated wire cores vulcanization-insulated wire cores pair twist-separated-shielding-line pair, select excellent electrical property, the small material of relative dielectric constant, pass through overall construction design, mutual capacitance and inductive resistance ratio between control insulated cable core, reduce capacitive energy storage, circuit is prevented frequently to be closed, capacitive energy storage electric discharge causes explosive mixture to be lighted when disconnection, greatly increase the safety of circuit running environment；It is designed by structure, selects reasonable core pair twist pitch and shielding construction, reduce cross-talk, increase the anti-interference ability and transmission security reliability of intrinsically safe circuit.
Description
Technical field
The present invention relates to cable production art, specifically a kind of warship marine explosion-proof communication cable manufacturing method.
Background technique
With the transition and upgrade of Modern Ships, the requirement to cable on ship is also higher and higher, nearly all on naval vessel at present
Signal transmission system and control system require to realize transmission and control with electric energy, the circuit for these devices is according to making
It is frequently turned off and is closed with requiring, when circuit disconnects, can there is inductive circuit electric discharge, when circuit is closed
When, cable itself is used as energy-storage travelling wave tube that can be stored power supply by way of electric field, can not only there is putting for capacitive energy storage
Electricity can also have the electric discharge of resistance circuit, and the discharge stream of condenser network can be larger, and fast speed, the discharge energy of spark
It more concentrates, risk is very big, if circuit passes through inflammable and explosive substances storage region, it is easy to explosive mixture be caused to be lighted.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of warship marine explosion-proof communication cable manufacturing method.
A kind of warship marine explosion-proof communication cable manufacturing method, specific manufacturing step are as follows: sorting-wire drawing-insulated wire cores
Separation layer-line is interior to stranding-between conductor strand-insulation extrusion-insulated wire cores vulcanization-insulated wire cores pair twist-separated-shielding-line pair
Sheath extrudes-the wrapped total shielded layer of inner sheath cross-linking radiation-- braiding armor-oversheath extrusion-oversheath cross-linking radiation-at
- finished product is tested in product examine；
The insulation extrusion: plsitive mold is used, in screw slenderness ratio 14: 1, the cold feeding of compression ratio 2.0: 1
It is carried out on rubber extruding machine, processing temperature is at 50~80 DEG C；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and pressure
Contracting is than to carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
The separated-shielding is to be woven in braiding on high-speed knitter using tinned copper wire to constitute shielded layer.
The insulating layer sulfuration process: using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam to insulating layer
Vulcanization.
Total shielding is using aluminium-plastic tape wrapped composition shielded layer on winding machine or cable-former.
The armor is using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires in common high-speed knitter
Upper braiding constitutes armor.
The inner sheath and oversheath is extruded on common extruding machine using low-smoke non-halogen flame-retardant cross-linking radiation polyolefin
Constitute restrictive coating.
Mutual capacitance between the insulated wire pair that the product inspection includes: according to the test side of 5441.2 standard requirements of GB
Mutual capacitance should be less than 115pF/m between method measurement insulated wire cores；
Capacity unmbalance: measuring maximum capacitor imbalance according to the test method of 5441.3 standard requirements of GB should be less than
500pF/250m。
The inductive resistance ratio that the product inspection includes should be less than 25 μ H/ Ω；
Finished cable, which shields rejection coefficient maximum, should be no more than 0.01.
The mechanical and physical performance for the insulation and sheath material that the product inspection includes is tested
It needs to carry out hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress
20N/cm2Load under elongation control≤175%, permanent elongation≤15%.
The hot elongation test of oversheath is carried out after oversheath cross-linking radiation: at 200 ± 3 DEG C of oven temperature, time 15min, machine
Tool stress 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
The product inspection includes vertical combustion flammability test:
The sprawling test of unit cable flame vertical: the distance between upper grip lower edge and charred portion starting point >=50mm,
Burn the charing point that extends downwardly at a distance under upper fixture≤540mm；
Vertically arranged bunched cables flame vertical spreads test-A class: the maximum length of charred portion on sample≤
2.5m；
The smoke density test that the product inspection includes: minimum light transmittance >=60%；
Content of halogen test: the test of evolved gas, 10 μ S/ of pH value > 4.3, conductivity < when being derived from cable material burning
mm；
Fluorine content test: the test method required according to standard IEC 60684-2:1997+A1:2003+A2:2005: fluorine contains
Amount≤0.1%；
Toxicity test: poison exponent≤5, sheath poison exponent≤5 are filled in insulation poison exponent≤1.5.
The beneficial effects of the present invention are: the material that selection excellent electrical property, relative dielectric constant are small, is set by overall structure
It counts, controls mutual capacitance and inductive resistance ratio between insulated cable core, reduce capacitive energy storage, prevent circuit in frequent closure, break
Capacitive energy storage electric discharge causes explosive mixture to be lighted when opening, and greatly increases the safety of circuit running environment；It is designed, is selected by structure
Reasonable core pair twist pitch and shielding construction are selected, cable pair capacitive unbalance to earth is controlled and finished cable shielding inhibits system
Number reduces cross-talk, increases the anti-interference ability and transmission security reliability of intrinsically safe circuit.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic view of the front view of cable of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right
The present invention is further described.
As shown in Figure 1, a kind of warship marine explosion-proof communication cable manufacturing method, specific manufacturing step are as follows: sorting-drawing
Separation layer-between silk-insulated wire cores conductor strand-insulation extrusion-insulated wire cores vulcanization-insulated wire cores pair twist-separated-shielding-line pair
Line extrudes-inner sheath cross-linking radiation-wrapped total shielded layer-braiding armor-oversheath extrusion-oversheath to stranding-inner sheath
Cross-linking radiation-product inspection-finished product；
The insulation extrusion: plsitive mold is used, in screw slenderness ratio 14: 1, the cold feeding of compression ratio 2.0: 1
It is carried out on rubber extruding machine, processing temperature is at 50~80 DEG C；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and pressure
Contracting is than to carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
The separated-shielding is to be woven in braiding on high-speed knitter using tinned copper wire to constitute shielded layer.
The insulating layer sulfuration process is using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam to insulating layer
Vulcanization.
The wire drawing and insulated wire cores conductor strand be through the big drawing-middle drawing-annealing of copper it is tin plating-single line is stranded tin plating
Copper stranded conductor.
Total shielding is using aluminium-plastic tape wrapped composition shielded layer on winding machine or cable-former.
The armor is using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires in common high-speed knitter
Upper braiding constitutes armor.
The inner sheath and oversheath is extruded on common extruding machine using low-smoke non-halogen flame-retardant cross-linking radiation polyolefin
Constitute restrictive coating.
Mutual capacitance between the insulated wire pair that the product inspection includes: according to the test side of 5441.2 standard requirements of GB
Mutual capacitance should be less than 115pF/m between method measurement insulated wire cores；
Capacity unmbalance: measuring maximum capacitor imbalance according to the test method of 5441.3 standard requirements of GB should be less than
500pF/250m。
The inductive resistance ratio that the product inspection includes should be less than 25 μ H/ Ω；
Finished cable, which shields rejection coefficient maximum, should be no more than 0.01.
The mechanical and physical performance for the insulation and sheath material that the product inspection includes is tested
It needs to carry out hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress
20N/cm2Load under elongation control≤175%, permanent elongation≤15%.
The hot elongation test of oversheath is carried out after oversheath cross-linking radiation: at 200 ± 3 DEG C of oven temperature, time 15min, machine
Tool stress 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
The product inspection includes vertical combustion flammability test:
The sprawling test of unit cable flame vertical: the distance between upper grip lower edge and charred portion starting point >=50mm,
Burn the charing point that extends downwardly at a distance under upper fixture≤540mm；
Vertically arranged bunched cables flame vertical spreads test-A class: the maximum length of charred portion on sample≤
2.5m；
The smoke density test that the product inspection includes: minimum light transmittance >=60%；
Content of halogen test: the test of evolved gas, 10 μ S/ of pH value > 4.3, conductivity < when being derived from cable material burning
mm；
Fluorine content test: the test method required according to standard IEC 60684-2:1997+A1:2003+A2:2005: fluorine contains
Amount≤0.1%；
Toxicity test: poison exponent≤5, sheath poison exponent≤5 are filled in insulation poison exponent≤1.5.
The product inspection further includes the structure size inspection of cable, the test of conductor resistance, industrial frequency withstand voltage at 20 DEG C
Test and insulation resistance test, are well-known techniques, seldom describe herein.
A kind of warship marine explosion-proof communication cable, including the mutually twisted cable core of array, the cable core includes several
Twisted tinned copper conductor 1, ethylene propylene rubber insulated 2 be extruded in outside tinned copper conductor 1, the outside of the cable core is wrapped
Have and constitutes the insulating tape 3 of cable element, the braiding tinned copper wire shielded layer 4 around insulating tape 3 outside, tin plating around braiding
Wrapped separation layer 5, the outside of the cable element are surrounded with low-smoke non-halogen flame-retardant band outside shielded layer outside shielding layer of copper wires 4
7, low-smoke non-halogen flame-retardant cross-linking radiation polyolefin inner sheath 8, the low cigarette are extruded with outside the low-smoke non-halogen flame-retardant band 7
The outside of halogen-free flameproof cross-linking radiation polyolefin inner sheath 8 is surrounded with composite shielding band, and the outside of the composite shielding band is squeezed
It is surrounded by low-smoke non-halogen flame-retardant cross-linking radiation polyolefin oversheath 11.
Meet the requirement of Future Ship intrinsically safe circuit, the material for selecting excellent electrical property, relative dielectric constant small passes through
Overall construction design controls mutual capacitance and inductive resistance ratio between insulated cable core, reduces capacitive energy storage, prevents circuit in frequency
Capacitive energy storage electric discharge causes explosive mixture to be lighted when numerous closure, disconnection, greatly increases the safety of circuit running environment.
Filled with low-smoke bittern-free highly fire-proof filling 6 between the cable element and low-smoke non-halogen flame-retardant band 7.
It is designed by structure, selects reasonable core pair twist pitch and shielding construction, control cable pair direct-to-ground capacitance is not
Balance and finished cable shielding rejection coefficient reduce cross-talk, increase the anti-interference ability and transmission security reliability of intrinsically safe circuit.
The composite shielding band is plastic-aluminum or compound copper-plastics band 9 plus braiding armor and shielded layer 10.
Plastic-aluminum or compound copper-plastics band shielding are set up in inner sheath outer layer and combines shielded layer with armor formation, guarantee cable tool
There is excellent shielding properties, adjacent circuit will not be interfered.
The insulating tape 3, braiding tinned copper wire shielded layer 4, the cross section of wrapped separation layer 5 is tool outside shielded layer
There is the rectangular-shaped of arc transition corner.
Armouring is woven using high-strength alloy silk, not only reduces cable self weight, and the resistance to mechanical for increasing cable is protected
Shield ability.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. a kind of warship marine explosion-proof communication cable manufacturing method, it is characterised in that: its specific manufacturing step is as follows: sorting-wire drawing-
Separation layer-line between insulated wire cores conductor strand-insulation extrusion-insulated wire cores vulcanization-insulated wire cores pair twist-separated-shielding-line pair
- inner sheath cross-linking radiation-wrapped total shielded layer-braiding armor-oversheath extrusion-oversheath spoke is extruded to stranding-inner sheath
According to crosslinking-product inspection-finished product；
The insulation extrusion: using plsitive mold, squeezes rubber in the cold feeding of screw slenderness ratio 14: 1, compression ratio 2.0: 1
It is carried out on machine, processing temperature is at 50~80 DEG C；
The inner sheath squeezes out, oversheath squeezes out: half plsitive mold is used, in screw slenderness ratio 20: 1 or 25: 1 and compression ratio
To carry out on 2.5: 1 or 2.0: 1 common plastics extruding machine, processing temperature is at 100~160 DEG C.
2. a kind of warship marine explosion-proof communication cable manufacturing method according to claim 1, it is characterised in that: the insulating layer
Sulfuration process is using steam vulcanization (cure), and steam pressure is that 1.0-1.2MPa carries out steam vulcanization (cure) to insulating layer.
3. a kind of warship marine explosion-proof communication cable manufacturing method according to claim 1, it is characterised in that: total screen
Cover is using aluminium-plastic tape wrapped composition shielded layer on winding machine or cable-former.
4. a kind of warship marine explosion-proof communication cable manufacturing method according to claim 1, it is characterised in that: the armouring
Layer is to weave to constitute armor on common high-speed knitter using wires such as tinned copper wire, zinc-coated wire, aluminum-alloy wires.
5. a kind of warship marine explosion-proof communication cable manufacturing method according to claim 1, it is characterised in that: the interior shield
Set and oversheath use low-smoke non-halogen flame-retardant cross-linking radiation polyolefin to extrude composition restrictive coating on common extruding machine.
6. a kind of warship marine explosion-proof communication cable manufacturing method according to any one of claims 1-5, it is characterised in that:
Mutual capacitance between the insulated wire pair that the product inspection includes: it is measured according to the test method of 5441.2 standard requirements of GB exhausted
Mutual capacitance should be less than 115pF/m between edge core；
Capacity unmbalance: measuring maximum capacitor imbalance according to the test method of 5441.3 standard requirements of GB should be less than 500pF/
250m。
7. a kind of warship marine explosion-proof communication cable manufacturing method according to any one of claims 1-5, it is characterised in that:
The inductive resistance ratio that the product inspection includes should be less than 25 μ H/ Ω.
8. a kind of warship marine explosion-proof communication cable manufacturing method according to any one of claims 1-5, it is characterised in that:
The mechanical and physical performance for the insulation and sheath material that the product inspection includes is tested
It needs to carry out hot elongation test after insulating layer vulcanization: at 250 ± 3 DEG C of oven temperature, time 15min, mechanical stress 20N/cm2
Load under elongation control≤175%, permanent elongation≤15%.
The hot elongation test of oversheath is carried out after oversheath cross-linking radiation: at 200 ± 3 DEG C of oven temperature, time 15min, machinery is answered
Power 20N/cm2Load under elongation control≤175%, it is cooling after permanent set≤25%.
9. a kind of warship marine explosion-proof communication cable manufacturing method according to any one of claims 1-5, it is characterised in that:
The product inspection includes vertical combustion flammability test:
Unit cable flame vertical sprawling test: the distance between upper grip lower edge and charred portion starting point >=50mm, burning
The charing point extended downwardly at a distance under upper fixture≤540mm；
Vertically arranged bunched cables flame vertical spreads test-A class: maximum length≤2.5m of charred portion on sample.
10. a kind of warship marine explosion-proof communication cable manufacturing method according to any one of claims 1-5, feature exist
In: the smoke density test that the product inspection includes: minimum light transmittance >=60%；
Content of halogen test: the test of evolved gas, 10 μ S/mm of pH value > 4.3, conductivity < when being derived from cable material burning；
Fluorine content test: the test method required according to standard IEC 60684-2:1997+A1:2003+A2:2005: fluorine content≤
0.1%；
Toxicity test: poison exponent≤5, sheath poison exponent≤5 are filled in insulation poison exponent≤1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312688.1A CN109448920A (en) | 2018-11-06 | 2018-11-06 | A kind of warship marine explosion-proof communication cable manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312688.1A CN109448920A (en) | 2018-11-06 | 2018-11-06 | A kind of warship marine explosion-proof communication cable manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109448920A true CN109448920A (en) | 2019-03-08 |
Family
ID=65552366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312688.1A Pending CN109448920A (en) | 2018-11-06 | 2018-11-06 | A kind of warship marine explosion-proof communication cable manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109448920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005599A (en) * | 2021-11-15 | 2022-02-01 | 本信电子科技(重庆)有限公司 | Shielded twisted-pair cable for network equipment and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08241632A (en) * | 1995-03-06 | 1996-09-17 | Sumitomo Wiring Syst Ltd | Multiple core shield cable and manufacture thereof |
| CN101707071A (en) * | 2009-12-04 | 2010-05-12 | 江苏远洋东泽电缆股份有限公司 | Low-smoke halogen-free light intrinsically-safe instrument flexible cable for ocean engineering |
| CN104681159A (en) * | 2015-03-18 | 2015-06-03 | 中天科技装备电缆有限公司 | Lightweight flexible LSOH (Low Smoke Zero Halogen) fire-resistant low-voltage marine cable and process flow thereof |
| CN108511113A (en) * | 2018-01-26 | 2018-09-07 | 安徽华宇电缆集团有限公司 | A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process |
-
2018
- 2018-11-06 CN CN201811312688.1A patent/CN109448920A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08241632A (en) * | 1995-03-06 | 1996-09-17 | Sumitomo Wiring Syst Ltd | Multiple core shield cable and manufacture thereof |
| CN101707071A (en) * | 2009-12-04 | 2010-05-12 | 江苏远洋东泽电缆股份有限公司 | Low-smoke halogen-free light intrinsically-safe instrument flexible cable for ocean engineering |
| CN104681159A (en) * | 2015-03-18 | 2015-06-03 | 中天科技装备电缆有限公司 | Lightweight flexible LSOH (Low Smoke Zero Halogen) fire-resistant low-voltage marine cable and process flow thereof |
| CN108511113A (en) * | 2018-01-26 | 2018-09-07 | 安徽华宇电缆集团有限公司 | A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005599A (en) * | 2021-11-15 | 2022-02-01 | 本信电子科技(重庆)有限公司 | Shielded twisted-pair cable for network equipment and production process thereof |
| CN114005599B (en) * | 2021-11-15 | 2022-09-23 | 本信电子科技(重庆)有限公司 | Shielded twisted-pair cable for network equipment and production process thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Shui Lifei Inventor after: Ye Yu Inventor after: Ye Mingzhu Inventor after: Zhou Youzhi Inventor after: Xiao Shangbing Inventor after: Zhao Junling Inventor after: Zhang Chuanming Inventor after: Liu Wei Inventor before: Shui Lifei |
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Application publication date: 20190308 |
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