CN104751991B - A kind of cable and its production method - Google Patents
A kind of cable and its production method Download PDFInfo
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- CN104751991B CN104751991B CN201510141799.0A CN201510141799A CN104751991B CN 104751991 B CN104751991 B CN 104751991B CN 201510141799 A CN201510141799 A CN 201510141799A CN 104751991 B CN104751991 B CN 104751991B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000005253 cladding Methods 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 12
- 238000005187 foaming Methods 0.000 claims description 12
- 210000003038 endothelium Anatomy 0.000 claims description 7
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The present invention is a kind of cable and its production method, suitable for a kind of technical field of cable, disclose cable, including the first sheath, first screen layer, first cable core and cable core clad, first cable core includes some second cable cores, second cable core mutually rotates stranded, wherein one second cable core is located at center, remaining second cable core is uniformly distributed around it, cable core clad is obliquely rotated clockwise cladding around the first cable core, first screen layer is wrapped around in the periphery of cable core clad, first screen layer, first cable core and cable core clad are located at the inside of the first sheath.A kind of cable that the present invention is provided, secondary shielding layer is wrapped in the periphery of data cable by the second cable core therein, earth cable is wrapped in screen layer periphery, not only reduce the interference signal of data cable generation, and the diameter of the second cable core is reduced, so as to reduce the overall diameter of cable so that dual shield layer is separated from each other, influencing each other for screen layer is avoided, shield effectiveness is substantially increased.
Description
Technical field
The present invention relates to a kind of cable, more particularly to a kind of cable and its production method.
Background technology
Data cable is frequently used for the signal transmission in electronic equipment or computer.Typically it will often be connect in data cable
Ground cable is wound bunch of cables together with signal cable, using many signal cables with connecing more than data cable of the prior art
Ground cable is mutually wound cable core, then in cable core periphery parcel screen layer or protective case, to reduce line transmission decay often
Number.However, this structure still has deficiency, one is that in data transmission procedure, the signal of different frequency always can in signal cable
Interfere, and the earth cable mutually wound therewith can strengthen interference signal；Two be that data cable not only can be by extraneous electricity
The interference of magnetic wave, and it is also possible to impacted by pulse voltage.
For above-mentioned technical problem, prior art uses symmetrical structure to solve the former, i.e., the quantity of earth cable with
Signal cable is consistent, and to neutralize interference signal, improves the transmission quality of data cable；After dual shield layer is used to solve
Person, while completely cutting off electromagnetic wave and pulse voltage, improves the anti-interference of data cable.But, symmetrical structure adds ground connection electricity
Cable so that the overall diameter increase of cable core, so that the diameter of data cable also increases, and which increases data cable institute
Scope is accounted for, application of the data cable in the electronic equipment of compact is limited；Meanwhile, dual shield layer is still in the structure
Contact with each other so that both interfere with each other in the shield.Leverage shield effectiveness.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of cable and its production method, its purport
Solve data cable of the prior art be relatively large in diameter, the overall technical problem that shield effectiveness is not good, transmission quality is relatively low.
To achieve the above object, the present invention proposes a kind of cable, including the first sheath, first screen layer, the first cable core
With cable core clad, described the first cable core includes some second cable cores, the second described cable core mutually rotate it is stranded, wherein
Piece second cable core is uniformly distributed located at center, remaining second cable core around it, and described cable core clad surrounds the first cable
Core is obliquely rotated clockwise cladding, and described first screen layer is wrapped around in the periphery of cable core clad, described
First screen layer, the first cable core and cable core clad are located at the inside of the first sheath；
The second described cable core, which includes some, is used to transmitting the data cable of signal, secondary shielding layer, earth cable, the
Three screen layers and the second sheath, described data cable are mutually stranded, and described secondary shielding layer is wrapped around after stranded
The periphery of all data cables, described earth cable is wrapped in the periphery of secondary shielding layer, described the 3rd screen layer winding
The periphery of cladding earth cable after winding, described data cable, secondary shielding layer, earth cable and the 3rd screen layer are equal
Located at the inside of the second sheath；
Described data cable includes the 3rd sheath of the conductor for being placed in center and parcel conductor.
Preferably, the 3rd described sheath includes endothelium, foaming layer and crust successively from the inside to surface.
Preferably, described earth cable uses 0.5mm external diameters TC drain wire.
Preferably, described first screen layer and secondary shielding layer use PET film, the 3rd described screen layer is used
Aluminium foil.
In order to which the technical purpose of the present invention is better achieved, the present invention also proposes a kind of producer of cable as described above
Method, it is comprised the following steps that：
a）Tinned copper wire is formed into the conductor that external diameter is 0.5 ± 0.01mm by drawing-off, the 3rd sheath is extruded on conductor
To form data cable, the 3rd sheath extrudes endothelium, foaming layer and crust simultaneously using co-extrusion machine, and foaming layer is poly- using low-density
Ethene, the frothing percentage of foaming layer is no more than 50%；
b）Every two of the data cable being made is mutually stranded, using support chartered plane by secondary shielding layer be wrapped in it is stranded after
The periphery of data cable, wherein, the thickness of secondary shielding layer is no more than 1.4mm, and the external diameter of secondary shielding layer is no more than 3.2mm；
c）Earth cable is wrapped in the periphery of secondary shielding layer using pay off rack, wherein, the rotating speed of pay off rack for 300~
500r/min, then winds around the 3rd screen layer the periphery of earth cable, wherein, the thickness of the 3rd screen layer is no more than
1.4mm；
d）The second sheath is extruded in the periphery of the 3rd screen layer to form the second cable core, and the thickness of the second sheath is 0.4mm,
The external diameter of second sheath is 3.9 ± 0.01mm；
e）Second cable core is mutually rotated stranded to form the first cable core, wherein second cable core is placed in center, used
Described cable core clad is obliquely rotated clockwise cladding by pay off rack around the first cable core, then will using support chartered plane
Described first screen layer is wrapped around in the periphery of cable core clad, and wherein the thickness of first screen layer is no more than 4.0mm；
f）The first sheath is extruded in the periphery of first screen layer, the thickness of the first sheath is 1.0 ± 0.01mm.
Beneficial effects of the present invention：Compared with prior art, a kind of cable that the present invention is provided, it is rational in infrastructure, it is adaptable to
Electronic equipment communicates, and secondary shielding layer is wrapped in the periphery of data cable by the second cable core therein, to shielded signal transmission
When extraneous interference electromagnetic wave, and earth cable is wrapped in screen layer periphery, i.e. earth cable with data cable not
Contact with each other, not only reduce the interference signal of data cable generation, and reduce the diameter of the second cable core, so as to reduce
The overall diameter of cable, meanwhile, the periphery of earth cable is wrapped in completely cut off the 3rd screen layer of pulse voltage, so that
Dual shield layer is separated from each other, it is to avoid the influencing each other of screen layer, and substantially increases shield effectiveness.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
Brief description of the drawings
Fig. 1 is the schematic side view of the first cable core of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section of the second cable core of the embodiment of the present invention；
Fig. 4 is the diagrammatic cross-section of the data cable of the embodiment of the present invention；
Fig. 5 is the specific steps FB(flow block) of the embodiment of the present invention.
Embodiment
It is right below by accompanying drawing and embodiment to make the object, technical solutions and advantages of the present invention of greater clarity
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only to explain this hair
Scope that is bright, being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, with
Avoid unnecessarily obscuring idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides a kind of cable, including the first sheath 1, first screen layer 2, the first cable core 3
With cable core clad 4, the first cable core 3 includes some second cable cores 5, the second cable core 5 mutually rotate it is stranded, wherein one second
Cable core 5 is uniformly distributed located at center, remaining second cable core 5 around it, and cable core clad 4 is obliquely suitable around the first cable core 3
Clockwise rotation cladding, first screen layer 2 is wrapped around in the periphery of cable core clad 4, first screen layer 2, the first cable core 3
The inside of the first sheath 1 is located at cable core clad 4.
Wherein, referring again to Fig. 2, the quantity of the second cable core 5 is 8 in the embodiment of the present invention, and the first cable core 3 is by center
Piece second cable core 5 and 7 second cable cores 5 of periphery rotate stranded shaping.That is, the first cable core 3 is 8 core cable knots
Structure.
Embodiments of the invention use the cable core clad 4 wrapped up in peripheral fixed packet that the second cable core 5 is fixed-type for
One cable core 3, i.e., without using gasket for packing of the prior art, the second cable core 5 can individually stranded shaping, reduce the first cable core
3 diameter, meanwhile, the cable core clad 4 of periphery cladding also improves the molding effect of the first cable core 3, so as to improve cable
Roundness.
Certainly, the above-mentioned embodiment simply more commonly used, the producer can also carry according to needs of production
The quantity of high second cable core 5.
Specifically, referring again to Fig. 3, the second cable core 5 includes some data cable 51, the second screens for being used to transmit signal
Layer 52, earth cable 53, the 3rd screen layer 54 and the second sheath 55 are covered, data cable 51 is mutually stranded, and secondary shielding layer 52 is twined
Around the periphery for being coated on data cable 51, earth cable 53 is wrapped in the periphery of secondary shielding layer 52, and the 3rd screen layer 54 is wound
The periphery of earth cable 53 is coated on, data cable 51, secondary shielding layer 52, the screen layer 54 of earth cable 53 and the 3rd are located at
The inside of second sheath 55.
In embodiments of the present invention, between data cable 51 and earth cable 53 between alternating floor secondary shielding layer 52 so that
So that the interference signal in data cable 51 is shielded in inside secondary shielding layer 52, earth cable 53 is reduced to interference signal
Influence, so as to ensure that the transmission quality of cable.
Because secondary shielding layer 52 can ensure that the signal of different frequency is transmitted with cable within the specific limits, therefore, production
Person can be without improving the transmission quality of data cable 51 using symmetrical structure, so as to reduce the overall diameter of cable.When
So, for the signal of overfrequency scope or specific use, the producer still can ensure that signal will not using symmetrical structure
Distortion, now, many earth cables 5313 are wound in the periphery of all data cables 51.
Wherein, earth cable 53 uses 0.5mm external diameters TC drain wire.
In an embodiment of the present invention, the quantity of data cable 51 is two, and data cable 51 is mutually paired shaping.When
So, the producer can adjust the quantity of data cable 51 according to actual needs, be not limited in the present embodiment.
Now, the second cable core 5 is in triplen, is data cable 51, secondary shielding layer 52, ground connection electricity successively from inside to outside
The screen layer 54 of cable 53 and the 3rd.That is, the embodiment of the present invention is using screen layer 54 this pair of of secondary shielding layer 52 and the 3rd
Weight shielding layer structure, electromagnetic wave and pulse voltage to shield the external world respectively, earth cable 53 is located between the two, on the one hand
So that the screen layer 54 of secondary shielding layer 52 and the 3rd does not contact with each other, it is to avoid it influences each other, the screen of dual shield layer is improved
Cover effect；On the other hand, the 3rd screen layer 54 for shielding pulse voltage is placed in periphery so that pulse voltage not only will be through the
Three screen layers 54, will also be in contact so that pulse voltage have passed through secondary shield with earth cable 53, improve cable to pulse
The interference free performance of voltage.
Specifically, referring again to Fig. 4, data cable 51 includes the 3rd shield of the conductor 61 for being placed in center and parcel conductor 61
Set 62.
Further, the 3rd sheath 62 includes endothelium 63, foaming layer 64 and crust 65 successively from the inside to surface.It is of the invention real
Apply the data cable 51 of example to extrude endothelium 63, foaming layer 64 and crust 65 simultaneously using three-layer co-extruded machine, it is to avoid existing skill
Using the structure that adhering layer is inter-adhesive in art, the stability of the 3rd sheath 62 is improved.
Specifically, first screen layer 2 and secondary shielding layer 52 use PET film, and the 3rd screen layer 54 uses aluminium foil.
In an embodiment of the present invention, cable core clad 4 is using support chartered plane cladding, and the producer can be according to cable core clad
The difference of the factors such as 4 material, the diameter of the first cable core 3, adjustment support chartered plane working tension and rotary speed so that finally can
Obtain the cable of most rounding.
Refering to Fig. 5, in order to which the technical purpose of the present invention is better achieved, the present invention also proposes a kind of cable as described above
Production method, it is comprised the following steps that：
a）Tinned copper wire is formed into the conductor 61 that external diameter is 0.5 ± 0.01mm by drawing-off, the 3rd is extruded on conductor 61
Sheath 62 is to form data cable 51, and the 3rd sheath 62 extrudes endothelium 63, foaming layer 64 and crust 65 simultaneously using co-extrusion machine, sent out
Alveolar layer 64 uses low density polyethylene (LDPE), and the frothing percentage of foaming layer 64 is no more than 50%；
b）The data cable 51 every two being made is mutually stranded, secondary shielding layer 52 is wrapped in using support chartered plane stranded
The periphery of data cable 51 afterwards, wherein, the thickness of secondary shielding layer 52 is no more than 1.4mm, and the external diameter of secondary shielding layer 52 is not
More than 3.2mm；
c）Earth cable 53 is wrapped in the periphery of secondary shielding layer 52 using pay off rack, wherein, the rotating speed of pay off rack is
300~500r/min, then winds around the 3rd screen layer 54 periphery of earth cable 53, wherein, the 3rd screen layer 54
Thickness be no more than 1.4mm；
d）The second sheath 55 is extruded in the periphery of the 3rd screen layer 54 to form the second cable core 5, the thickness of the second sheath 55
For 0.4mm, the external diameter of the second sheath 55 is 3.9 ± 0.01mm；
e）Second cable core 5 is mutually rotated stranded to form the first cable core 3, wherein second cable core 5 is placed in center, adopted
With pay off rack, in the periphery of the first cable core 3, obliquely cable core integument is wrapped up in winding, is then used in the periphery of cable core integument
Chartered plane parcel first screen layer 2 is held in the palm, the wherein thickness of first screen layer 2 is no more than 4.0mm；
f）The first sheath 1 is extruded in the periphery of first screen layer 2, the thickness of the first sheath 1 is 1.0 ± 0.01mm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (2)
1. a kind of cable, it is characterised in that：Including the first sheath（1）, first screen layer（2）, the first cable core（3）With cable core cladding
Layer（4）, described the first cable core（3）Including some second cable cores（5）, described the second cable core（5）Mutually rotate it is stranded, its
In second cable core（5）Located at center, remaining second cable core（5）It is uniformly distributed around it, described cable core clad（4）
Around the first cable core（3）Obliquely it is rotated clockwise cladding, described first screen layer（2）It is wrapped around in cable core cladding
Layer（4）Periphery, described first screen layer（2）, the first cable core（3）With cable core clad（4）It is located at the first sheath（1）'s
It is internal；
The second described cable core（5）Including some data cables for being used to transmit signal（51）, secondary shielding layer（52）, ground connection
Cable（53）, the 3rd screen layer（54）With the second sheath（55）, described data cable（51）Mutual the second stranded, described screen
Cover layer（52）It is wrapped around all data cables after stranded（51）Periphery, described earth cable（53）It is wrapped in second
Screen layer（52）Periphery, the 3rd described screen layer（54）It is wrapped around earth cable after winding（53）Periphery, institute
The data cable stated（51）, secondary shielding layer（52）, earth cable（53）With the 3rd screen layer（54）It is located at the second sheath
（55）Inside；
Described data cable（51）Conductor including being placed in center（61）With parcel conductor（61）The 3rd sheath（62）, it is described
The 3rd sheath（62）Include endothelium successively from the inside to surface（63）, foaming layer（64）And crust（65）, described first shielding
Layer（2）And secondary shielding layer（52）Use PET film, the 3rd described screen layer（54）Using aluminium foil；
The production method of described cable a kind of is comprised the following steps that：
a）Tinned copper wire is formed into the conductor that external diameter is 0.5 ± 0.01mm by drawing-off（61）, in conductor（61）On extrude the 3rd
Sheath（62）To form data cable（51）, the 3rd sheath（62）Endothelium is extruded using co-extrusion machine simultaneously（63）, foaming layer（64）
And crust（65）, foaming layer（64）Using low density polyethylene (LDPE), foaming layer（64）Frothing percentage be no more than 50%；
b）By the data cable being made（51）Every two mutually stranded, using support chartered plane by secondary shielding layer（52）It is wrapped in stranded
Data cable afterwards（51）Periphery, wherein, secondary shielding layer（52）Thickness be no more than 1.4mm, secondary shielding layer（52）'s
External diameter is no more than 3.2mm；
c）Using pay off rack by earth cable（53）It is wrapped in secondary shielding layer（52）Periphery, wherein, the rotating speed of pay off rack is
300~500r/min, then by the 3rd screen layer（54）Wind around earth cable（53）Periphery, wherein, the 3rd shielding
Layer（54）Thickness be no more than 1.4mm；
d）In the 3rd screen layer（54）Periphery extrude the second sheath（55）To form the second cable core（5）, the second sheath（55）'s
Thickness is 0.4mm, the second sheath（55）External diameter be 3.9 ± 0.01mm；
e）By the second cable core（5）Mutually rotate stranded to form the first cable core（3）, wherein second cable core（5）It is placed in center,
Using pay off rack by described cable core clad（4）Around the first cable core（3）Cladding is obliquely rotated clockwise, is then adopted
With support chartered plane by described first screen layer（2）It is wrapped around in cable core clad（4）Periphery, wherein first screen layer（2）
Thickness be no more than 4.0mm；
f）In first screen layer（2）Periphery extrude the first sheath（1）, the first sheath（1）Thickness be 1.0 ± 0.01mm.
2. a kind of cable as claimed in claim 1, it is characterised in that：Described earth cable（53）Using 0.5mm external diameters TC
Drain wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510141799.0A CN104751991B (en) | 2015-03-30 | 2015-03-30 | A kind of cable and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510141799.0A CN104751991B (en) | 2015-03-30 | 2015-03-30 | A kind of cable and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104751991A CN104751991A (en) | 2015-07-01 |
| CN104751991B true CN104751991B (en) | 2017-10-24 |
Family
ID=53591531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510141799.0A Active CN104751991B (en) | 2015-03-30 | 2015-03-30 | A kind of cable and its production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN104751991B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881897Y (en) * | 2005-12-31 | 2007-03-21 | 中山杰士美电子有限公司 | DVI/HDMI high frequency data transmission cable |
| CN201051425Y (en) * | 2007-03-16 | 2008-04-23 | 天津有容蒂康通讯技术有限公司 | A data cable with independent shielding |
| CN201177999Y (en) * | 2007-12-28 | 2009-01-07 | 天津亨特尔线缆有限公司 | Multi-pair dual-shielding flexible cable |
| CN202153457U (en) * | 2011-07-20 | 2012-02-29 | 广东中德电缆有限公司 | Anti-interference high-shielding high speed data line |
| CN102969048A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Marine independent screening instrument cable capable of whitening and resisting ultraviolet and manufacturing method thereof |
| JP3195066U (en) * | 2014-07-18 | 2014-12-25 | 東莞訊滔電子有限公司Ｄｏｎｇｇｕａｎ Ｘｕｎｔａｏ Ｅｌｅｃｔｒｏｎｉｃ Ｃｏ．， Ｌｔｄ． | cable |
-
2015
- 2015-03-30 CN CN201510141799.0A patent/CN104751991B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2881897Y (en) * | 2005-12-31 | 2007-03-21 | 中山杰士美电子有限公司 | DVI/HDMI high frequency data transmission cable |
| CN201051425Y (en) * | 2007-03-16 | 2008-04-23 | 天津有容蒂康通讯技术有限公司 | A data cable with independent shielding |
| CN201177999Y (en) * | 2007-12-28 | 2009-01-07 | 天津亨特尔线缆有限公司 | Multi-pair dual-shielding flexible cable |
| CN202153457U (en) * | 2011-07-20 | 2012-02-29 | 广东中德电缆有限公司 | Anti-interference high-shielding high speed data line |
| CN102969048A (en) * | 2012-11-16 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Marine independent screening instrument cable capable of whitening and resisting ultraviolet and manufacturing method thereof |
| JP3195066U (en) * | 2014-07-18 | 2014-12-25 | 東莞訊滔電子有限公司Ｄｏｎｇｇｕａｎ Ｘｕｎｔａｏ Ｅｌｅｃｔｒｏｎｉｃ Ｃｏ．， Ｌｔｄ． | cable |
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| Publication number | Publication date |
|---|---|
| CN104751991A (en) | 2015-07-01 |
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Denomination of invention: A kind of cable and its production method Effective date of registration: 20220808 Granted publication date: 20171024 Pledgee: Tongyuan sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: JIAXING AOYIPU DATA CABLE CO.,LTD. Registration number: Y2022330001654 |
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Denomination of invention: A cable and its production method Effective date of registration: 20230904 Granted publication date: 20171024 Pledgee: Tongyuan sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: JIAXING AOYIPU DATA CABLE CO.,LTD. Registration number: Y2023330001944 |
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Granted publication date: 20171024 Pledgee: Tongyuan sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd. Pledgor: JIAXING AOYIPU DATA CABLE CO.,LTD. Registration number: Y2023330001944 |