CN1645524A - Preparation and products of high temperature resistant and corrosionproof electric cables with polyfluorinated ethylene isolation - Google Patents
Preparation and products of high temperature resistant and corrosionproof electric cables with polyfluorinated ethylene isolation Download PDFInfo
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- CN1645524A CN1645524A CN 200510007212 CN200510007212A CN1645524A CN 1645524 A CN1645524 A CN 1645524A CN 200510007212 CN200510007212 CN 200510007212 CN 200510007212 A CN200510007212 A CN 200510007212A CN 1645524 A CN1645524 A CN 1645524A
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- Prior art keywords
- perfluoroethylene
- insulation
- propylene
- control cable
- temperature resistant
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- 238000002360 preparation method Methods 0.000 title claims description 16
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 title 1
- 238000002955 isolation Methods 0.000 title 1
- 238000009413 insulation Methods 0.000 claims abstract description 54
- 238000000137 annealing Methods 0.000 claims abstract description 43
- -1 perfluoroethylene-propylene Chemical group 0.000 claims description 40
- 239000004020 conductor Substances 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- 238000005491 wire drawing Methods 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 12
- 239000010425 asbestos Substances 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 229910052895 riebeckite Inorganic materials 0.000 claims description 11
- 230000014759 maintenance of location Effects 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 description 9
- 229910000733 Li alloy Inorganic materials 0.000 description 6
- 239000001989 lithium alloy Substances 0.000 description 6
- KUJOABUXCGVGIY-UHFFFAOYSA-N lithium zinc Chemical compound [Li].[Zn] KUJOABUXCGVGIY-UHFFFAOYSA-N 0.000 description 6
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 3
- 229920009441 perflouroethylene propylene Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Insulating Materials (AREA)
Abstract
The method includes following steps: drawing wire; annealing; extruding insulation; over sparkling; cabling; lapping; extruding outside protection. The length-to-diameter of extruder used in extruded insulation step is 25-30. The temperature of extrude is 300-400deg.C and tubular type extruded die is adopted. The draw ration is 30-100 and the screw revolution speed is 20-70 turns /min.
Description
One, invention field
The present invention relates to preparation method of a kind of control cable and products thereof, preparation method of the high-temperature resistant anti-corrosive control cable that more particularly insulate and products thereof about a kind of perfluoroethylene-propylene.
Two, background technology
Along with the high speed development of China's industry, the electric automatization degree is in the popularization and application of every profession and trade, and in continuous increase, some special factories and miness and industry also need to use a large amount of control cable to the plastic insulation control cable at the industrial scope of application and consumption.But the plastic insulation control cable of GB9330 defined also is not suitable for these special industries and some special environment occasions.
There is following problem in actual use in the general control cable:
1, the overload capacity and the short circuit thermal capacity of general control cable (as the cable of models such as KVV, KYJV) are little, and the long-term work temperature is 70 ℃ or 90 ℃, can not bear higher ambient temperature; Polyvinyl chloride insulation is heated and can shrinks simultaneously, and thermal circulation performance is poor, influences the fail safe of circuit working.
2, the general control cable laying is when having the place of greasy dirt, steam, because the existence of oil and chemical substance, its insulating barrier can swelling, so that aging, be full of cracks, loses mechanical and physical performance and causes scrapping of electric wire.
3, general control cable insulation mechanical strength is relatively low, easily by gouge, damage and cause the energising accident.
4, when the general control cable has moisture content to immerse, the insulating dielectric layer loss increases, and insulation resistance descends, and influences electric wire useful life.
5, the general control cable-flame retardant is relatively poor, add fire retardant after, electrical insulating property reduces, and produces a large amount of poisonous and harmful smog during burning, and environment, equipment and personnel's life is all had great harm.
Three, summary of the invention
The purpose of this invention is to provide preparation method of a kind of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable with good heat resistance energy, fire resistance and acid and alkali resistance antiseptic property and good electrical insulation properties and products thereof.
Above purpose of the present invention and other purposes will and be described and further embody by following detailed description.
The preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable of the present invention, comprise wire drawing, annealing, extruded insulation, cross spark, stranding, wrapped and extrude the outer step of protecting, the draw ratio of extruder is 20-35 in the wherein said extruded insulation step, extrusion temperature is 300-400 ℃, adopt tubular molding tool, draw ratio is 30-100, and screw speed is 20-70 rev/min.
Further, in the preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable of the present invention, the draw ratio of extruder is 25-35 in the described extruded insulation step, extrusion temperature is 300-380 ℃, adopt tubular molding tool, draw ratio is 30-80, and screw speed is 30-60 rev/min.
Be preferably, in the preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable of the present invention, the draw ratio of extruder is 25-30 in the described extruded insulation step, extrusion temperature is 340-380 ℃, adopt tubular molding tool, draw ratio is 40-60, and screw speed is 30-50 rev/min.
In the preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable of the present invention, big drawing machine or Medium drawing mach ine are adopted in described wire drawing, and drawing speed is the 6.6-25 meter per second; The pot annealing stove is adopted in described annealing, and the conductor annealing temperature is 400-550 ℃, and temperature retention time is 4-5.5 hour, should vacuumize earlier before the annealing, charges into nitrogen then, carries out thermal annealing after charging again; The described spark of crossing adopts the power frequency spark machine, and the pass of test voltage U and insulation thickness δ is when δ≤0.4 millimeter, the U=4 kilovolt; When 0.4 millimeter≤δ≤0.6 millimeter, the U=6 kilovolt; When 0.6 millimeter≤δ≤1.0 millimeter, the U=10 kilovolt; Described stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is not more than 20 times of external diameters.
Further, big drawing machine or Medium drawing mach ine, drawing speed: big drawing machine 6.6-16.5 meter per second, Medium drawing mach ine 15-25 meter per second are adopted in wire drawing; 1 millimeter
21.15 millimeters of the filament diameters of conductor, 1.5 millimeters
21.40 millimeters of the filament diameters of conductor, 2.5 millimeters
21.80 millimeters of the filament diameters of conductor, 4 millimeters
22.27 millimeters of the filament diameters of conductor, 6 millimeters
22.78 millimeters of the filament diameters of conductor.Should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature of diameter below 1.0 millimeters: 450 ± 10 ℃, temperature retention time is 4-4.5 hour; The conductor annealing temperature of diameter more than 1.0 millimeters: 500 ± 10 ℃, temperature retention time is 4.5-5.5 hour.
Perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable of the present invention, the outside at copper conductor coats the perfluoroethylene-propylene insulating material, fill with asbestos cord between perfluoroethylene-propylene insulating material and alkali-free glass fibre band, the shell of product is the perfluoroethylene-propylene sheath.
In the present invention, conductor should meet the requirement of GB/T3956 in the used main raw material(s) of product, insulation adopts that exhaustive fluorinated ethylene propylene is mixing to form, band adopts the alkali-free glass fibre band, for the structure composition that makes cable keeps consistency, the alkali-free glass fibre band adopts the aluminium borosilicate glass composition, and the thermal endurance of material and the thermal endurance of cable adapt, and exhaustive fluorinated ethylene propylene is mixing forms in the sheath employing.
The long-term permission working temperature of perfluoroethylene-propylene of the present invention insulation control cable is more than 200 ℃, not only can be in hot environment operate as normal, and can improve the ampacity of cable greatly; And because perfluoroethylene-propylene can acid and alkali resistance and various chemicals, thereby product has fabulous antiseptic property and intensity height, hardness is big, can prevent the damage of mechanical external force; Be preferably, perfluoroethylene-propylene insulation control cable is because perfluoroethylene-propylene molecule adhesion is big, in known macromolecule key, the C-F key is one of the most firm key, insulation layer structure is closely knit, can effectively prevent the immersion of external water juice, greasy dirt and moisture, and the oxygen index of product is up to more than 95%, combustion hardly, its fire resistance is that other material is incomparable.
Rated voltage 450/750V perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable (KFF of the present invention
46Series), after putting on market, because this series of products excellent performance is heat-resisting good with anti-corrosive properties, be specially adapted to industry and factories and miness such as petrochemical industry, power station, smeltery and waste water treatment plant, after the user used, effect was fine, has higher rating.Detect through national authority department Shanghai Electrical Cable Research Institute, properties of product are apparently higher than the common plastics control cable that insulate, particularly in heat resistance, fire resistance, common plastics insulation control cable is incomparable especially for acid and alkali resistance antiseptic property and good aspects such as electrical insulation properties.
Because perfluoroethylene-propylene has certain corrosiveness to metal material, so the production equipment of processing perfluoroethylene-propylene must be through particular processing or with special made.The melt temperature of exhaustive fluorinated ethylene propylene is higher on the other hand, and the processing temperature scope is extremely narrow, and is high to the material requirement of temperature control system and screw rod, machine barrel and head.Adopt the main process equipments of making from the Zinc-lithium alloy material of Japanese import such as screw rod, machine barrel and head in the present invention.
Four, description of drawings
Fig. 1 is the schematic diagram of product of the present invention.
In Fig. 1, meet 1 and represent copper conductor, symbol 2 is represented the perfluoroethylene-propylene insulating material, and symbol 3 is represented asbestos cord, and symbol 4 is represented the alkali-free glass fibre band, and symbol 5 is represented the perfluoroethylene-propylene sheath.
Perfluoroethylene-propylene insulation high-temperature-resistant anticorrosion control cable of the present invention is outside copper conductor Side coats the perfluoroethylene-propylene insulating materials, at perfluoroethylene-propylene insulating materials and alkali-free glass Fill with asbestos cord between the fiber band, the shell of product is the perfluoroethylene-propylene sheath.
By the following specific examples further illustrate the invention, but embodiment only is used for explanation, Can not limit the scope of the invention.
In the present invention, if not refer in particular to, all part, percentages are unit of weight, all Equipment and raw material etc. all can be buied from market or the industry is commonly used.
Five, embodiment
Example 1:
The main process equipments such as screw rod, machine barrel and head that the main employing Zinc-lithium alloy material that adopts Japan to make is by the following method made prepare perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable:
Wire drawing: big drawing machine is adopted in wire drawing, and drawing speed is 7.0 meter per seconds, 1 millimeter
21.15 millimeters of the filament diameters of conductor;
Annealing: should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature: 450 ± 10 ℃, temperature retention time is 4-4.5 hour;
Extruded insulation: the draw ratio of extruder is 22, and extrusion temperature is 320 ℃, adopts tubular molding tool, and draw ratio is 35, and screw speed is 25 rev/mins.
Cross spark: adopt the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when δ≤0.4 millimeter, the U=4 kilovolt;
Stranding, wrapped and extrude outer protecting: the stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is 5 times of external diameters.
Example 2:
The main process equipments such as screw rod, machine barrel and head that the main employing Zinc-lithium alloy material that adopts Japan to make is by the following method made prepare perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable:
Wire drawing: big drawing machine is adopted in wire drawing, and drawing speed is 16.5 meter per seconds, 1 millimeter
21.15 millimeters of the filament diameters of conductor;
Annealing: should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature: 450 ± 10 ℃, temperature retention time is 4-4.5 hour;
Extruded insulation: the draw ratio of extruder is 35, and extrusion temperature is 390 ℃, adopts tubular molding tool, and draw ratio is 90, and screw speed is 70 rev/mins.
Cross spark: adopt the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when δ≤0.4 millimeter, the U=4 kilovolt;
Stranding, wrapped and extrude outer protecting: the stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is 10 times of external diameters.
Example 3
The main process equipments such as screw rod, machine barrel and head that the main employing Zinc-lithium alloy material that adopts Japan to make is by the following method made prepare perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable:
Wire drawing: big drawing machine is adopted in wire drawing, and drawing speed is 10.0 meter per seconds, 1.5 millimeters
21.40 millimeters of the filament diameters of conductor;
Annealing: should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature: 450 ± 10 ℃, temperature retention time is 4-4.5 hour;
Extruded insulation: the draw ratio of extruder is 28, and extrusion temperature is 350 ℃, adopts tubular molding tool, and draw ratio is 60, and screw speed is 50 rev/mins.
Cross spark: adopt the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when δ≤0.4 millimeter, the U=4 kilovolt;
Stranding, wrapped and extrude outer protecting: the stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is 14 times of external diameters.
Example 4
The main process equipments such as screw rod, machine barrel and head that the main employing Zinc-lithium alloy material that adopts Japan to make is by the following method made prepare perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable:
Wire drawing: Medium drawing mach ine is adopted in wire drawing, and drawing speed is 25 meter per seconds, 2.5 millimeters
21.80 millimeters of the filament diameters of conductor;
Annealing: should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature: 500 ± 10 ℃, temperature retention time is 4.5-5.5 hour
Extruded insulation: the draw ratio of extruder is 25, and extrusion temperature is 400 ℃, adopts tubular molding tool, and draw ratio is 40, and screw speed is 60 rev/mins.
Cross spark: adopt the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when 0.4 millimeter≤δ≤0.6 millimeter, the U=6 kilovolt;
Stranding, wrapped and extrude outer protecting: the stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is 20 times of external diameters.
Example 5
The main process equipments such as screw rod, machine barrel and head that the main employing Zinc-lithium alloy material that adopts Japan to make is by the following method made prepare perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable:
Wire drawing: Medium drawing mach ine is adopted in wire drawing, and drawing speed is 20 meter per seconds, 6 millimeters
22.78 millimeters of the filament diameters of conductor;
Annealing: should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again, adopt the pot annealing stove, the conductor annealing temperature: 500 ± 10 ℃, temperature retention time is 5.5 hours.；
Extruded insulation: the draw ratio of extruder is 23, and extrusion temperature is 370 ℃, adopts tubular molding tool, and draw ratio is 65, and screw speed is 40 rev/mins.
Cross spark: adopt the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when when 0.6 millimeter≤δ≤1.0 millimeter, the U=10 kilovolt;
Stranding, wrapped and extrude outer protecting: the stranding band adopts asbestos cord to fill, and the alkali-free glass fibre band is wrapped, and laying up pitch is 15 times of external diameters.
Claims (8)
1, a kind of preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable, it is characterized in that comprising wire drawing, annealing, extruded insulation, cross spark, stranding, wrapped and extrude the outer step of protecting, the draw ratio of extruder is 20-35 in the wherein said extruded insulation step, extrusion temperature is 300-400 ℃, adopt tubular molding tool, draw ratio is 30-100, and screw speed is 20-70 rev/min.
2, the preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable according to claim 1, the draw ratio that it is characterized in that extruder in the described extruded insulation step is 25-35, extrusion temperature is 300-380 ℃, adopt tubular molding tool, draw ratio is 30-80, and screw speed is 30-60 rev/min.
3, the preparation method of perfluoroethylene-propylene insulation high-temperature resistant anti-corrosive control cable according to claim 1, the draw ratio that it is characterized in that extruder in the described extruded insulation step is 25-30, extrusion temperature is 340-380 ℃, adopt tubular molding tool, draw ratio is 40-60, and screw speed is 30-50 rev/min.
4, according to the preparation method of the described perfluoroethylene-propylene insulation of one of claim 1-3 high-temperature resistant anti-corrosive control cable, it is characterized in that described wire drawing employing big drawing machine or Medium drawing mach ine, drawing speed is the 6.6-25 meter per second.
5, according to the preparation method of the described perfluoroethylene-propylene of one of claim 1-3 insulation high-temperature resistant anti-corrosive control cable, it is characterized in that described annealing employing pot annealing stove, the conductor annealing temperature is 400-550 ℃, temperature retention time is 4-5.5 hour, should vacuumize earlier before the annealing, charge into nitrogen then, carry out thermal annealing after charging again.
6, according to the preparation method of the described perfluoroethylene-propylene of one of claim 1-3 insulation high-temperature resistant anti-corrosive control cable, it is characterized in that the described spark of crossing adopts the power frequency spark machine, the pass of test voltage U and insulation thickness δ is when δ≤0.4 millimeter, the U=4 kilovolt; When 0.4 millimeter≤δ≤0.6 millimeter, the U=6 kilovolt; When 0.6 millimeter≤δ≤1.0 millimeter, the U=10 kilovolt.
7, according to the preparation method of the described perfluoroethylene-propylene insulation of one of claim 1-3 high-temperature resistant anti-corrosive control cable, it is characterized in that described stranding band adopts asbestos cord to fill, the alkali-free glass fibre band is wrapped, and laying up pitch is not more than 20 times of external diameters.
8, according to the described perfluoroethylene-propylene insulation of one of claim 1-3 high-temperature resistant anti-corrosive control cable, it is characterized in that coating the perfluoroethylene-propylene insulating material in the outside of copper conductor, fill with asbestos cord between perfluoroethylene-propylene insulating material and alkali-free glass fibre band, the shell of product is the perfluoroethylene-propylene sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100072123A CN100366643C (en) | 2005-02-04 | 2005-02-04 | Preparation and products of high temperature resistant and corrosionproof electric cables with polyfluorinated ethylene isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100072123A CN100366643C (en) | 2005-02-04 | 2005-02-04 | Preparation and products of high temperature resistant and corrosionproof electric cables with polyfluorinated ethylene isolation |
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| Publication Number | Publication Date |
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| CN1645524A true CN1645524A (en) | 2005-07-27 |
| CN100366643C CN100366643C (en) | 2008-02-06 |
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| CNB2005100072123A Expired - Fee Related CN100366643C (en) | 2005-02-04 | 2005-02-04 | Preparation and products of high temperature resistant and corrosionproof electric cables with polyfluorinated ethylene isolation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157249A (en) * | 2011-04-13 | 2011-08-17 | 广东昌宝通讯电缆电线有限公司 | Production process of low-smoke high-fireproof performance network wire |
| CN103050185A (en) * | 2012-08-31 | 2013-04-17 | 上海福尔欣线缆有限公司 | Fluorine insulating wire and manufacturing method and applications thereof |
| CN104900312A (en) * | 2015-06-05 | 2015-09-09 | 常熟市鑫华电子科技有限公司 | Special round control flexible cable for fan motors |
| CN105139969A (en) * | 2015-08-28 | 2015-12-09 | 马鞍山市兴隆铸造有限公司 | Cable sheath manufacturing method |
| CN107248427A (en) * | 2017-05-31 | 2017-10-13 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of production method of EMUs high fire-retardance fire-resisting cable |
| CN112309648A (en) * | 2020-09-15 | 2021-02-02 | 源鑫线缆有限公司 | Manufacturing method of fluoroplastic insulated power cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200223Y (en) * | 1994-09-23 | 1995-06-07 | 天津市安琪尔特种线缆有限责任公司 | Fluorinated plastic insulation and sheath fire-proof control cable |
| CN1272984C (en) * | 2002-10-29 | 2006-08-30 | 张志洪 | Glass fiber mica alloy heat generating wire cable |
| CN1530966A (en) * | 2003-01-24 | 2004-09-22 | 孙跃明 | Wire cable and manufacturing method thereof |
| CN2613034Y (en) * | 2003-04-18 | 2004-04-21 | 安徽华星电缆集团有限公司 | Fire resistant cable |
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2005
- 2005-02-04 CN CNB2005100072123A patent/CN100366643C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157249A (en) * | 2011-04-13 | 2011-08-17 | 广东昌宝通讯电缆电线有限公司 | Production process of low-smoke high-fireproof performance network wire |
| CN102157249B (en) * | 2011-04-13 | 2012-11-28 | 广东昌宝通讯电缆电线有限公司 | Production process of low-smoke high-fireproof performance network wire |
| CN103050185A (en) * | 2012-08-31 | 2013-04-17 | 上海福尔欣线缆有限公司 | Fluorine insulating wire and manufacturing method and applications thereof |
| CN103050185B (en) * | 2012-08-31 | 2015-07-22 | 上海福尔欣线缆有限公司 | Fluorine insulating wire and manufacturing method and applications thereof |
| CN104900312A (en) * | 2015-06-05 | 2015-09-09 | 常熟市鑫华电子科技有限公司 | Special round control flexible cable for fan motors |
| CN105139969A (en) * | 2015-08-28 | 2015-12-09 | 马鞍山市兴隆铸造有限公司 | Cable sheath manufacturing method |
| CN107248427A (en) * | 2017-05-31 | 2017-10-13 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of production method of EMUs high fire-retardance fire-resisting cable |
| CN112309648A (en) * | 2020-09-15 | 2021-02-02 | 源鑫线缆有限公司 | Manufacturing method of fluoroplastic insulated power cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100366643C (en) | 2008-02-06 |
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