CN102280188B - Parallel cable and manufacturing method thereof - Google Patents
Parallel cable and manufacturing method thereof Download PDFInfo
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- CN102280188B CN102280188B CN2011102267992A CN201110226799A CN102280188B CN 102280188 B CN102280188 B CN 102280188B CN 2011102267992 A CN2011102267992 A CN 2011102267992A CN 201110226799 A CN201110226799 A CN 201110226799A CN 102280188 B CN102280188 B CN 102280188B
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Abstract
The invention belongs to the technical field of electric wires and provides a parallel cable. The parallel cable comprises two insulated wires which are arranged in parallel and a sheath covering the insulated wires, wherein a gap exists between the position above or below the intersectant position of the insulated wires and the sheath; and each insulated wire comprises a conductor in an inner layer and an insulating layer covering the conductor. The parallel cable is characterized in that the sheath is provided with torn openings which pass through the sheath and are arranged at the gap; the torn openings are distributed linearly at intervals along the sheath; the tear force for tearing the cable is within the range of 3.5 Newton and 9.5 Newton; and when one end of the cable is fixed and bears 10-Newton loads and the other end of the cable reverses 10 circles relative to the one end clockwise, returns to the initial position anticlockwise and reverses 10 circles anticlockwise, the sheath does not crack and is not torn. The invention also discloses a manufacturing method of the parallel cable. The parallel cable has the beneficial effects that the parallel cable is peeled conveniently, the tear force is proper, the anti-torsion performance is good, and more raw materials are saved. The manufacturing method is simple and easy to operate.
Description
Technical field
The invention belongs to technical field of electric wires and cables, especially a kind of parallel cable and preparation method thereof.
Background technology
In the prior art; Parallel RVV is widely used; Especially house decoration aspect; Referring to Fig. 1 and Fig. 2, parallel RVV commonly used is made up of two insulated wires that are parallel to each other, the sheath 1 that envelopes insulated wire, and insulated wire is made up of conductor that is positioned at internal layer 3 and the insulating barrier 2 that envelopes conductor.Because insulated wire be circular and parallel placement, thus two insulated lines intersect above or below, and exist gap 4 between the sheath, during installation, elder generation cuts off or severs sheath from gap location, reaches the purpose of separating sheath through the tearing insulated wire then.Because sheath material is more firm, therefore, is difficult to sometimes tear, and especially when being positioned at the electric light on top, electrical equipment, more dare not be used to tear, and can only open stripping with the cutter class, so very easily destroys insulating barrier, has potential safety hazard, therefore, has brought inconvenience to construction.
Summary of the invention
In order to address the above problem; One of the object of the invention provides a kind of parallel cable of being convenient to out stripping; Two of the object of the invention is the manufacture methods that disclose this kind cable; They adopt following technical scheme to realize: parallel cable, comprise two parallel placements insulated wire, be coated on the outer sheath 1 of insulated wire; Two insulated lines intersect above or below, and have gap 4 between the sheath; Insulated wire is made up of conductor that is positioned at internal layer 3 and the insulating barrier 2 that envelopes conductor; It is characterized in that having the tearing port that runs through sheath on the sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; The tear edge of tearing said parallel cable in 3.5 newton between 9.5 newton; Said parallel cable is at one end fixed and is born under the situation of 10 newton's loads; The relative end of the other end reverses 10 circles clockwise continuously, counterclockwise 10 circles that reverse are continuously got back to the home position, reversed continuously under the situation of 10 circles counterclockwise more again, and sheath does not ftracture and do not torn; Said sheath is to be made by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
Above-mentioned described parallel cable is characterized in that said tearing port exists at least one surface of the upper surface of sheath, lower surface.
Above-mentioned described parallel cable is characterized in that the width of the same lip-deep tearing port of sheath equates.
Above-mentioned described parallel cable, the length that it is characterized in that the same lip-deep tearing port of sheath are that equate or unequal.
Above-mentioned described parallel cable is characterized in that said sheath also can be high density polyethylene (HDPE) or medium density polyethylene or PVC.
Above-mentioned described parallel cable is characterized in that said insulating barrier is high density polyethylene (HDPE) or medium density polyethylene or PVC or low smoke and zero halogen material.
Above-mentioned described parallel cable is characterized in that said conductor is the intertwist body of single piece of metal rod or many one metal wires.
Above-mentioned described parallel cable is characterized in that in the said conductor that by weight percentage, the copper that comprises is no less than 80%.
The manufacture method of above-mentioned said any parallel cable is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of fixed body that can move up and down 7 and the shovel scraper 6 that is vertically mounted on the fixed body; It is synchronous or asynchronous that shovel is scraped the speed that speed that device moves up and down and parallel cable draw.
The manufacture method of above-mentioned said any parallel cable is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of power set 9, transmission device 8, shovel scraper 6, and power set are fixed on the base 10, and base is fixed on the pedestal 11, and the shovel scraper is installed on the power set, and power set and transmission device join; It is that speed with the parallel cable traction is synchronous or asynchronous that power set form shovel scraper rotary cutting jacket surface to tear row mouthful, the rotating speed of power set.
The manufacture method of above-mentioned said parallel cable is characterized in that said power set are motor, and transmission device is axle or gear train or worm and gear assembly.
The manufacture method of above-mentioned said any parallel cable is characterized in that the said conductor of the first step is a single piece of metal rod, or plain conductor is stranded or braiding forms by many.
The manufacture method of above-mentioned said any parallel cable is characterized in that said insulating barrier of second step is high density polyethylene (HDPE) or medium density polyethylene or PVC or low smoke and zero halogen material.
The manufacture method of above-mentioned said any parallel cable is characterized in that the width of the same lip-deep tearing port of said sheath of the 5th step equates.
The manufacture method of above-mentioned said any parallel cable is characterized in that the length of the same lip-deep tearing port of said sheath of the 5th step is that equate or unequal.
The manufacture method of above-mentioned said any parallel cable; It is characterized in that said sheath of the 5th step is high density polyethylene (HDPE) or medium density polyethylene or PVC, also can be for making by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
Parallel cable of the present invention, because jacket surface has tearing port, so it is quite convenient to open stripping, the more appropriate and antitorque commentaries on classics function admirable of the power of tearing compared with prior art, is saved raw material more; Manufacture method of the present invention is simple, and is easy to operate, when parallel cable during, shovel is scraped device is held in place jacket outer surface and corresponding section, gap by horizontally tracting, through move up and down or rotate make the shovel scraper constantly shovel scrape sheath, thereby form tearing port; Certainly, the movement velocity that shovel is scraped device can be complementary with parallel cable horizontal movement speed, is uniform thereby make the length of tearing port; Certainly, also can make both speed asynchronous, like this, the length of tearing port is the different length of possibility just; Because shovel is scraped the shovel scraper compartment of terrain shovel of device and scraped jacket surface, therefore, tearing port also is a gap distribution; In process of production,, do not make the parallel cable distortion and fix the position that shovel is scraped device, tearing port is linearly distributed at jacket surface as long as guarantee the motion of the horizontal aspect of parallel cable; The special component of protective cover material has the present invention to have possessed the anti-performance of reversing when being prone to tear.
Therefore, the present invention has following beneficial effect: it is quite convenient to open stripping, the appropriate and antitorque commentaries on classics function admirable of the power of tearing, and raw material are saved more; The inventive method is simple, and is easy to operate.
Description of drawings
Fig. 1 is the part schematic perspective view of the parallel RVV of prior art;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the perspective view that embodiment 1 local solution of the present invention is cut open;
Fig. 4 is the perspective view that embodiment 2 local solutions of the present invention are cut open;
Fig. 5 is the perspective view that embodiment 3 local solutions of the present invention are cut open;
Fig. 6 is the vertical view that embodiment 4 local solutions of the present invention are cut open;
Fig. 7 is the upward view that embodiment 4 local solutions of the present invention are cut open;
Fig. 8 is that used shovel is scraped the sketch map that the device shovel is scraped sheath in the embodiment 5 of the present invention;
Fig. 9 is that used shovel is scraped the sketch map that the device shovel is scraped sheath in the embodiment 6 of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail; Embodiment 1 to embodiment 4 is the embodiment of parallel cable of the present invention; Embodiment 5, embodiment 6 are the embodiment of the inventive method.
Ask for an interview Fig. 3, and combine Fig. 1 and Fig. 2, parallel cable, comprise two parallel placements insulated wire, be coated on the outer sheath 1 of insulated wire; Two insulated lines intersect above or below, and have gap 4 between the sheath; Insulated wire is made up of conductor that is positioned at internal layer 3 and the insulating barrier 2 that envelopes conductor; It is characterized in that having on the sheath the last tearing port 5 that runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; The tear edge of tearing said parallel cable in 3.5 newton between 9.5 newton; Said parallel cable is at one end fixed and is born under the situation of 10 newton's loads; The relative end of the other end reverses 10 circles clockwise continuously, counterclockwise 10 circles that reverse are continuously got back to the home position, reversed continuously under the situation of 10 circles counterclockwise more again, and sheath does not ftracture and do not torn; The length of the lip-deep tearing port of sheath equates; Said sheath is to be made by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
Ask for an interview Fig. 4, and combine Fig. 1 and Fig. 2, parallel cable, comprise two parallel placements insulated wire, be coated on the outer sheath 1 of insulated wire; Two insulated lines intersect above or below, and have gap 4 between the sheath; Insulated wire is made up of conductor that is positioned at internal layer 3 and the insulating barrier 2 that envelopes conductor; It is characterized in that the sheath upper surface has the last tearing port 5 that runs through sheath, the sheath lower surface has the following tearing port 51 that runs through sheath, and upper and lower tearing port all is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; The tear edge of tearing said parallel cable in 3.5 newton between 9.5 newton; Said parallel cable is at one end fixed and is born under the situation of 10 newton's loads; The relative end of the other end reverses 10 circles clockwise continuously, counterclockwise 10 circles that reverse are continuously got back to the home position, reversed continuously under the situation of 10 circles counterclockwise more again, and sheath does not ftracture and do not torn; The length of the lip-deep tearing port of sheath equates; Said sheath is to be made by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
Ask for an interview Fig. 5, and combine Fig. 1 and Fig. 2, with embodiment 1, difference is basically: the length of the lip-deep tearing port of sheath is unequal.
Ask for an interview Fig. 6 and Fig. 7, and combine Fig. 1, Fig. 2 and Fig. 4, with embodiment 2, difference is basically: the length of the last tearing port 5 of sheath upper surface is unequal; The length of the following tearing port 51 of sheath lower surface also is unequal.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that said tearing port exists at least one surface of the upper surface of sheath, lower surface.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that the width of the same lip-deep tearing port of sheath equates.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment, the length that it is characterized in that the same lip-deep tearing port of sheath are that equate or unequal.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that said sheath also can be high density polyethylene (HDPE) or medium density polyethylene or PVC.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that said insulating barrier is high density polyethylene (HDPE) or medium density polyethylene or PVC or low smoke and zero halogen material.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that said conductor is the intertwist body of single piece of metal rod or many one metal wires.
Certainly, the parallel cable described in above-mentioned arbitrary embodiment is characterized in that in the said conductor that by weight percentage, the copper that comprises is no less than 80%.
Ask for an interview Fig. 8 and consult Fig. 1 to Fig. 7, a kind of manufacture method of parallel cable is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of fixed body that can move up and down 7 and the shovel scraper 6 that is vertically mounted on the fixed body; It is synchronous or asynchronous that shovel is scraped the speed that speed that device moves up and down and parallel cable draw.
Ask for an interview Fig. 9 and consult Fig. 1 to Fig. 7, a kind of manufacture method of parallel cable is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of power set 9, transmission device 8, shovel scraper 6, and power set are fixed on the base 10, and base is fixed on the pedestal 11, and the shovel scraper is installed on the power set, and power set and transmission device join; It is that speed with the parallel cable traction is synchronous or asynchronous that power set form shovel scraper rotary cutting jacket surface to tear row mouthful, the rotating speed of power set.
The manufacture method of above-mentioned said parallel cable is characterized in that said power set are motor, and transmission device is axle or gear train or worm and gear assembly.
The manufacture method of above-mentioned said any parallel cable is characterized in that the said conductor of the first step is a single piece of metal rod, or plain conductor is stranded or braiding forms by many.
The manufacture method of above-mentioned said any parallel cable is characterized in that said insulating barrier of second step is high density polyethylene (HDPE) or medium density polyethylene or PVC or low smoke and zero halogen material.
The manufacture method of above-mentioned said any parallel cable is characterized in that the width of the same lip-deep tearing port of said sheath of the 5th step equates.
The manufacture method of above-mentioned said any parallel cable is characterized in that the length of the same lip-deep tearing port of said sheath of the 5th step is that equate or unequal.
The manufacture method of above-mentioned said any parallel cable; It is characterized in that said sheath of the 5th step is high density polyethylene (HDPE) or medium density polyethylene or PVC, also can be for making by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
Parallel cable of the present invention, because jacket surface has tearing port, so it is quite convenient to open stripping, the more appropriate and antitorque commentaries on classics function admirable of the power of tearing compared with prior art, is saved raw material more; Manufacture method of the present invention is simple, and is easy to operate, when parallel cable during, shovel is scraped device is held in place jacket outer surface and corresponding section, gap by horizontally tracting, through move up and down or rotate make the shovel scraper constantly shovel scrape sheath, thereby form tearing port; Certainly, the movement velocity that shovel is scraped device can be complementary with parallel cable horizontal movement speed, is uniform thereby make the length of tearing port; Certainly, also can make both speed asynchronous, like this, the length of tearing port is the different length of possibility just; Because shovel is scraped the shovel scraper compartment of terrain shovel of device and scraped jacket surface, therefore, tearing port also is a gap distribution; In process of production,, do not make the parallel cable distortion and fix the position that shovel is scraped device, tearing port is linearly distributed at jacket surface as long as guarantee the motion of the horizontal aspect of parallel cable; The special component of protective cover material has the present invention to have possessed the anti-performance of reversing when being prone to tear.
Therefore, the present invention has following beneficial effect: it is quite convenient to open stripping, the appropriate and antitorque commentaries on classics function admirable of the power of tearing, and raw material are saved more; The inventive method is simple, and is easy to operate.
The present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other various forms enforcement utilizations, and they drop in protection scope of the present invention equally.
Claims (10)
1. parallel cable, comprise two parallel placements insulated wire, be coated on the outer sheath (1) of insulated wire; Two insulated lines intersect above or below, and have gap (4) between the sheath; Insulated wire is made up of conductor that is positioned at internal layer (3) and the insulating barrier (2) that envelopes conductor; It is characterized in that having the tearing port that runs through sheath on the sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; The tear edge of tearing said parallel cable in 3.5 newton between 9.5 newton; Said parallel cable is at one end fixed and is born under the situation of 10 newton's loads; The relative end of the other end reverses 10 circles clockwise continuously, counterclockwise 10 circles that reverse are continuously got back to the home position, reversed continuously under the situation of 10 circles counterclockwise more again, and sheath does not ftracture and do not torn; Said sheath is to be made by the mixture of the LLDPE of the high density polyethylene (HDPE) of 20% weight and 80% weight.
2. parallel cable according to claim 1 is characterized in that said tearing port exists at least one surface of the upper surface of sheath, lower surface.
3. parallel cable according to claim 1, the length that it is characterized in that the same lip-deep tearing port of sheath are that equate or unequal.
4. parallel cable according to claim 1 is characterized in that the width of the same lip-deep tearing port of said sheath equates.
5. parallel cable according to claim 1 is characterized in that said insulating barrier is high density polyethylene (HDPE) or medium density polyethylene or PVC or low smoke and zero halogen material.
6. parallel cable according to claim 1 is characterized in that said conductor is the intertwist body of single piece of metal rod or many one metal wires.
7. parallel cable according to claim 1 is characterized in that in the said conductor that by weight percentage, the copper that comprises is no less than 80%.
8. make the method for claim 1 to any parallel cable described in the claim 7, it is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of fixed body that can move up and down (7) and the shovel scraper (6) that is vertically mounted on the fixed body; It is synchronous or asynchronous that shovel is scraped the speed that speed that device moves up and down and parallel cable draw.
9. make the method for claim 1 to any parallel cable described in the claim 7, it is characterized in that it comprises following steps:
The first step: choose conductor;
Second step: extrusion molding forms insulating barrier outside conductor, obtains insulated wire;
The 3rd step: repeated for first to second step, form second insulated wire;
The 4th step: the insulated wire that second step was obtained passes mould and makes both parallel placements with second insulated wire that the 3rd step obtained, and draws two insulated wires simultaneously and leave plastic extruding machine, squeezes into sheath in the insulated wire outside; Two insulated lines intersect above or below, and form the gap between the sheath;
The 5th step: at sheath upper surface or lower surface or scrape device on the upper and lower surface of sheath with shovel simultaneously and shovel and scrape tearing port; Said tearing port runs through sheath, and tearing port is positioned at gap location; Said tearing port distributes along the sheath compartment of terrain and as the crow flies; Said shovel is scraped device and is made up of power set (9), transmission device (8), shovel scraper (6), and power set are fixed on the base (10), and base is fixed on the pedestal (11), and the shovel scraper is installed on the power set, and power set and transmission device join; It is that speed with the parallel cable traction is synchronous or asynchronous that power set form shovel scraper rotary cutting jacket surface to tear row mouthful, the rotating speed of power set.
10. according to the manufacture method of the said parallel cable of claim 9, it is characterized in that said power set are motor, transmission device is axle or gear train or worm and gear assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102267992A CN102280188B (en) | 2011-08-08 | 2011-08-08 | Parallel cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102267992A CN102280188B (en) | 2011-08-08 | 2011-08-08 | Parallel cable and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102280188A CN102280188A (en) | 2011-12-14 |
| CN102280188B true CN102280188B (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102267992A Expired - Fee Related CN102280188B (en) | 2011-08-08 | 2011-08-08 | Parallel cable and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103208334B (en) * | 2013-05-08 | 2015-04-08 | 中利科技集团股份有限公司 | Connecting wire for new energy vehicle, and manufacturing method of connecting wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889198A (en) * | 2006-07-20 | 2007-01-03 | 中利科技集团有限公司 | Improved structure of multicore low-voltage cable |
| CN101800096A (en) * | 2010-03-25 | 2010-08-11 | 浙江中天电线电缆有限公司 | Self-bearing horizontal twisted pair communication cable |
| CN201754349U (en) * | 2010-07-21 | 2011-03-02 | 湖南金杯电缆有限公司 | Polyvinyl chloride flat cable with insulation polyvinyl chloride sheath being torn easily |
| CN102122545A (en) * | 2010-10-13 | 2011-07-13 | 成都亨通光通信有限公司 | Rubber-insulated fiber cable |
-
2011
- 2011-08-08 CN CN2011102267992A patent/CN102280188B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1889198A (en) * | 2006-07-20 | 2007-01-03 | 中利科技集团有限公司 | Improved structure of multicore low-voltage cable |
| CN101800096A (en) * | 2010-03-25 | 2010-08-11 | 浙江中天电线电缆有限公司 | Self-bearing horizontal twisted pair communication cable |
| CN201754349U (en) * | 2010-07-21 | 2011-03-02 | 湖南金杯电缆有限公司 | Polyvinyl chloride flat cable with insulation polyvinyl chloride sheath being torn easily |
| CN102122545A (en) * | 2010-10-13 | 2011-07-13 | 成都亨通光通信有限公司 | Rubber-insulated fiber cable |
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