CN106373668A - Cable insulation extrusion equipment capable of automatically adjusting concentricity - Google Patents
Cable insulation extrusion equipment capable of automatically adjusting concentricity Download PDFInfo
- Publication number
- CN106373668A CN106373668A CN201610823744.2A CN201610823744A CN106373668A CN 106373668 A CN106373668 A CN 106373668A CN 201610823744 A CN201610823744 A CN 201610823744A CN 106373668 A CN106373668 A CN 106373668A
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- China
- Prior art keywords
- guide pin
- pin bushing
- cable
- upstream
- rubber ring
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- 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
- H01B13/0036—Details
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses cable insulation extrusion equipment capable of automatically adjusting concentricity. The cable insulation extrusion equipment comprises an inner mold core for limiting a position of a to-be-extruded cable, and an outer mold sleeve for extruding an insulating material and coating the exterior of the cable, wherein the outer side of the inner mold core is coaxially sleeved with the outer mold sleeve, and the inner mold core is positioned on the upstream of the outer mold sleeve; the cable insulation extrusion equipment is characterized by also comprising an upstream concentric guiding sleeve which is arranged on the upstream of the outer mold sleeve, and a downstream concentric guiding sleeve which is arranged on the downstream of the inner mold core; the upstream concentric guiding sleeve and the downstream concentric guiding sleeve are both coaxially arranged with the outer mold sleeve; the upstream concentric guiding sleeve comprises a hard guiding sleeve external pipe and a guiding sleeve rubber ring arranged in the hard guiding sleeve external pipe; and the inner diameter of the guiding sleeve rubber ring is the same as the outer diameter of the to-be-extruded cable. By adoption of the cable insulation extrusion equipment, relatively high concentricity between the cable and the mold can be ensured, so that the eccentricity quality of an insulation layer of a cable, a tracing band and other product can be ensured consequently.
Description
Technical field
The present invention relates to a kind of cable or heating tape Product processing equipment technical field, particularly one kind automatically adjusts with one heart
The cable insulation extrusion equipment of degree.
Background technology
The processing technique of the product such as cable or heating tape mainly includes drawing, process and cladding: draws and is mainly used in processing
Cable or the conductor wire core of heating tape, are forced through mould, metal bar by the metal wire that pulling force effect makes metal bar or thicker
Or the sectional area of metal wire is compressed and is obtained required section shape and size；Process is to improve cable or heating tape
The pliability of core, entirety degree, and overcome the Kelvin effect that single cable or heating tape core exist, and many single lines are pressed
According to predetermined direction weave in；Cladding be primarily referred to as the product such as cable or heating tape one layer of conductor thread core outer wrapping or
Multi-layer insulation and jacket material, thermoplastic superior performance, there is good process industrial art performance, in particular for electricity
Simple process when cable or heating tape extrude insulating barrier and sheath production, the base that cable or heating tape plastic insulating layer and sheath produce
The manner is carried out using single screw extrusion machine is continuously extruded, because extruder has continuous extrusion, so plastics
The production process of insulation and sheath is also be carried out continuously.
The product such as cable or heating tape is when carrying out coating procedures, it is usually required mainly for one of technical barrier overcoming is
Keep the degree of eccentricity of insulating barrier, that is, the deviation of the thickness of insulating layer on basis can not be excessive, the insulating barrier of cable or heating tape is same
Radial thickness at one cross section and varying cross-section should be consistent.The bias of the impact product insulating barrier such as cable or heating tape
Degree factor be broadly divided into two pieces: one be insulant itself plasticizing situation, specifically mainly plastic molten melt temperature, insulation
The technological parameter such as material shear strain rate and plastic molten melt heating and incorporation time；Two is insulant cable in extrusion
With the concentricity of mould, when the tension force of cable inadequate or poor with the concentricity of mould although position-limiting action in inner mould core
Under, concentricity at inner mould core extrusion for the cable can be guaranteed, but the concentricity at cable and outer die casing extrusion
Relatively large deviation can occur, thus affecting the degree of eccentricity of insulating barrier.
Content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of cable insulation extrusion of automatic concentricity adjusting sets
Standby, ensure that cable and mould have higher concentricity, such that it is able to ensure the product insulating barrier such as cable or heating tape
Degree of eccentricity quality.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of cable insulation extrusion equipment of automatic concentricity adjusting, including the inner mould core for limiting cable location to be extruded,
With for extruding insulant and being wrapped in outer die casing outside cable, described outer die casing coaxial package is outer in described inner mould core
Side, and described inner mould core is located at the upstream of described outer die casing；Also include being arranged at described external mold sleeve downstream the concentric guide pin bushing in upstream,
With the concentric guide pin bushing in downstream being arranged at described inner mould core downstream, the concentric guide pin bushing in described upstream and the concentric guide pin bushing in described downstream are all and institute
State outer die casing to be coaxially disposed, the concentric guide pin bushing in described upstream and the concentric guide pin bushing in described upstream all include hard guide pin bushing outer tube and be arranged at
Guide pin bushing rubber ring in described hard guide pin bushing outer tube, the internal diameter of described guide pin bushing rubber ring is identical with the external diameter of cable to be extruded；Institute
State the concentric guide pin bushing of the concentric guide pin bushing in upstream and described upstream to also include for installing described hard guide pin bushing outer tube and adjusting described hard
The installation of matter guide pin bushing outer tube position adjusts housing, and the outer shape of described hard guide pin bushing outer tube radial section is rectangle, described peace
Debuging section housing is also rectangle, and described installation adjusts and is provided with for fixing described hard guide pin bushing outer tube on the four edges of housing
Position adjustments fluid cylinder, described position adjustments fluid cylinder includes being fixedly installed on described fluid cylinder cylinder barrel and the use installed and adjust on housing
In the liquid cylinder piston bar connecting described hard guide pin bushing outer tube, described fluid cylinder cylinder barrel connects hydraulic oil delivery pipe, and described hydraulic oil is defeated
Send and control electromagnetic valve is provided with pipe.
As the improvement further of technique scheme, the inner side of described hard guide pin bushing outer tube is provided with for fixing described
The rubber ring mounting groove of guide pin bushing rubber ring, the outside of described guide pin bushing rubber ring is provided with the rubber coordinating described rubber ring mounting groove
Circle fixed part, the outside of described guide pin bushing rubber ring is provided with the rubber ring limiting section for limiting cable location to be extruded, described
The radial cross-sectional shape that rubber ring limiting section contacts the medial surface of cable to be extruded is arc, and the contact of described rubber ring limiting section
The medial surface of cable to be extruded is provided with polytetrafluorethylecoatings coatings.
As the improvement further of technique scheme, the concentric guide pin bushing in described upstream and the concentric guide pin bushing in described upstream also all wrap
Include and be arranged at the pressure sensor piece inside described guide pin bushing rubber ring and the fluid cylinders control for controlling four described control electromagnetic valves
Chip, described fluid cylinder control chip is connected with described pressure sensor piece signal.
As the improvement further of technique scheme, described inner mould core includes core rod inner conical surface, core rod inner plane and mould
Core male cone (strobilus masculinus), described core rod inner conical surface is located at upstream, described core rod inner plane and the cable to be extruded of described core rod inner plane
External diameter is identical；Described outer die casing includes die sleeve inner conical surface and die sleeve inner plane, and the downstream of described inner mould core is located at described die sleeve
At inner conical surface, described die sleeve inner conical surface is more than described core rod male cone (strobilus masculinus) and cable shafts to be extruded with the angle of cable axis to be extruded
The angle of line.
As the improvement further of technique scheme, it is provided with core rod at the upstream end of described core rod inner conical surface and installs
Groove, the external diameter of downstream end of described core rod male cone (strobilus masculinus) is identical with the internal diameter of described die sleeve inner plane, and described core rod male cone (strobilus masculinus)
Downstream end and the distance between described die sleeve inner conical surface more than the spacing between described die sleeve inner plane and cable to be extruded.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of cable insulation extrusion equipment of automatic concentricity adjusting provided by the present invention, by arrange upstream concentric guide pin bushing and
The concentric guide pin bushing in downstream, ensure that cable and mould have higher concentricity, such that it is able to ensure the product such as cable or heating tape
The degree of eccentricity quality of product insulating barrier；And the present invention has the advantages that high degree of automation.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of the cable insulation extrusion equipment of automatic concentricity adjusting of the present invention；
Fig. 2 is the structural representation of the concentric guide pin bushing of the concentric guide pin bushing in upstream of the present invention and upstream；
Fig. 3 is the oil circuit of position adjustments fluid cylinder of the present invention and the structural representation of control signal lines.
Specific embodiment
Referring to figs. 1 to Fig. 3, Fig. 1 to Fig. 3 is the structural representation of one specific embodiment of the present invention.
As shown in Figure 1 to Figure 3, the cable insulation extrusion equipment of a kind of automatic concentricity adjusting, waits to squeeze including for limiting
The inner mould core 20 of bag cable location and for extruding insulant the outer die casing 10 being wrapped in outside cable, described outer die casing 10
Coaxial package is in the outside of described inner mould core 20, and described inner mould core 20 is located at the upstream of described outer die casing 10；Also include arranging
In the concentric guide pin bushing in upstream 40 and the concentric guide pin bushing in downstream 30 being arranged at described inner mould core 20 downstream of described outer die casing 10 upstream,
The concentric guide pin bushing 40 in described upstream and the concentric guide pin bushing in described downstream 30 are all coaxially disposed with described outer die casing 10, and described upstream is led with one heart
Set 40 and the concentric guide pin bushing in described upstream 40 all include hard guide pin bushing outer tube 41 and are arranged at leading in described hard guide pin bushing outer tube 41
Set rubber ring 42, the internal diameter of described guide pin bushing rubber ring 42 is identical with the external diameter of cable to be extruded；Described upstream concentric guide pin bushing 40 He
The concentric guide pin bushing 40 in described upstream also includes for installing described hard guide pin bushing outer tube 41 and adjusting described hard guide pin bushing outer tube 41
The installation of position adjusts housing 43, and the outer shape of described hard guide pin bushing outer tube 41 radial section is rectangle, and described installation is adjusted
Housing 43 is also rectangle, and described installation adjusts and is provided with for fixing described hard guide pin bushing outer tube 41 on the four edges of housing 43
Position adjustments fluid cylinder, described position adjustments fluid cylinder includes being fixedly installed on the described fluid cylinder cylinder barrel 45 installed and adjust on housing 43
With the liquid cylinder piston bar 46 for connecting described hard guide pin bushing outer tube 41, described fluid cylinder cylinder barrel 45 connects hydraulic oil delivery pipe 47,
Control electromagnetic valve 48 is provided with described hydraulic oil delivery pipe 47.The concentric guide pin bushing 40 in described upstream and the concentric guide pin bushing in described upstream 40
Also include the pressure sensor piece 44 being arranged at described guide pin bushing rubber ring 42 inner side and for controlling four described control electromagnetic valves
48 fluid cylinder control chip 51, described fluid cylinder control chip 51 is connected with described pressure sensor piece 44 signal；Also include for position
Adjusting fluid cylinder provides the fluid cylinder fuel tank 52 of fluid, and the hydraulic oil pump 51 that fluid is pressurizeed.
Further, the inner side of described hard guide pin bushing outer tube 41 is provided with the rubber for fixing described guide pin bushing rubber ring 42
Circle mounting groove, the outside of described guide pin bushing rubber ring 42 is provided with the rubber ring fixed part 421 coordinating described rubber ring mounting groove, institute
The outside stating guide pin bushing rubber ring 42 is provided with rubber ring limiting section 422 for limiting cable location to be extruded, described rubber ring
The radial cross-sectional shape that limiting section 422 contacts the medial surface of cable to be extruded is arc, and described rubber ring limiting section 422 contacts
The medial surface of cable to be extruded is provided with polytetrafluorethylecoatings coatings.
Specifically, described inner mould core 20 includes core rod inner conical surface 22, core rod inner plane 23 and core rod male cone (strobilus masculinus) 21, described mould
The in-core conical surface 22 is located at the upstream of described core rod inner plane 23, and described core rod inner plane 23 is identical with the external diameter of cable to be extruded；
Described outer die casing 10 includes die sleeve inner conical surface 11 and die sleeve inner plane 12, and the downstream of described inner mould core 20 is located in described die sleeve
At the conical surface 11, described die sleeve inner conical surface 11 is more than described core rod male cone (strobilus masculinus) 21 and line to be extruded with the angle of cable axis to be extruded
The angle of cable axis.It is provided with core rod mounting groove 24 at the upstream end of described core rod inner conical surface 22, described core rod male cone (strobilus masculinus) 21
The external diameter of downstream end is identical with the internal diameter of described die sleeve inner plane 12, and the downstream end of described core rod male cone (strobilus masculinus) 21 with described
The distance between die sleeve inner conical surface 11 is more than the spacing between described die sleeve inner plane 12 and cable to be extruded.
Carrying out before the product insulating barrier such as cable or heating tape extrudes operation, first passing through regulation makes described upstream concentric
The concentric guide pin bushing of guide pin bushing 40 and described downstream 30 all keeps coaxial with described outer die casing 10, then makes crosslinked through a kind of accompanying-heat cable
The cable of polyolefin insulation layer plsitive mold or heating tape keep tension force, exhausted by adjusting a kind of accompanying-heat cable cross-linked polyolefin
The locating wheel of edge layer plsitive mold upstream and downstream makes cable or heating tape coaxial with described inner mould core 20, when cable or heat tracing
When band and described inner mould core 20 are coaxial, the described guide pin bushing rubber of the concentric guide pin bushing 40 in described upstream and the concentric guide pin bushing in described downstream 30
Circle 42 can occur the deformation of local, such that it is able to intuitively show whether cable or heating tape are coaxial with described inner mould core 20, and
Described pressure sensor piece 44 senses that pressure can automatically adjust described hard guide pin bushing outer tube 41 footpath by described position adjustments fluid cylinder
Position；And described guide pin bushing rubber ring 42 can also buffer cable or heating tape due to vibrating the inclined of generation in process
The heart, such that it is able to ensure the degree of eccentricity quality of the product insulating barrier such as cable or heating tape.
Preferable enforcement to the present invention is illustrated above, and certainly, the present invention can also adopt and above-mentioned enforcement
The different form of mode, those of ordinary skill in the art are in the equivalent conversion made without prejudice on the premise of present invention spirit
Or change accordingly, all should belong in protection scope of the present invention.
Claims (5)
1. a kind of automatic concentricity adjusting cable insulation extrusion equipment it is characterised in that: include for limiting cable to be extruded
The inner mould core (20) of position and for extruding insulant the outer die casing (10) being wrapped in outside cable, described outer die casing (10)
Coaxial package is in the outside of described inner mould core (20), and described inner mould core (20) is located at the upstream of described outer die casing (10)；It is special
Levy and be: also include being arranged at the concentric guide pin bushing in the upstream (40) of described outer die casing (10) upstream and be arranged at described inner mould core
(20) the concentric guide pin bushing in the downstream in downstream (30), the concentric guide pin bushing (40) in described upstream and the concentric guide pin bushing in described downstream (30) all with described
Outer die casing (10) is coaxially disposed, and the concentric guide pin bushing (40) in described upstream and the concentric guide pin bushing in described upstream (40) are all included outside hard guide pin bushing
Pipe (41) and the guide pin bushing rubber ring (42) being arranged in described hard guide pin bushing outer tube (41), the internal diameter of described guide pin bushing rubber ring (42)
Identical with the external diameter of cable to be extruded；The concentric guide pin bushing (40) in described upstream and the concentric guide pin bushing in described upstream (40) also include for
Described hard guide pin bushing outer tube (41) is installed and adjusts installation regulation housing (43) of described hard guide pin bushing outer tube (41) position, described
The outer shape of hard guide pin bushing outer tube (41) radial section is rectangle, and it is also rectangle that described installation adjusts housing (43), described peace
Position adjustments fluid cylinder for fixing described hard guide pin bushing outer tube (41), institute are provided with the four edges debuging section housing (43)
State position adjustments fluid cylinder to include being fixedly installed on the described fluid cylinder cylinder barrel (45) installed in regulation housing (43) and be used for connecting institute
State the liquid cylinder piston bar (46) of hard guide pin bushing outer tube (41), described fluid cylinder cylinder barrel (45) connects hydraulic oil delivery pipe (47), described
Control electromagnetic valve (48) is provided with hydraulic oil delivery pipe (47).
2. a kind of automatic concentricity adjusting according to claim 1 cable insulation extrusion equipment it is characterised in that: described
The inner side of hard guide pin bushing outer tube (41) is provided with the rubber ring mounting groove for fixing described guide pin bushing rubber ring (42), described guide pin bushing
The outside of rubber ring (42) is provided with the rubber ring fixed part (421) coordinating described rubber ring mounting groove, described guide pin bushing rubber ring
(42) outside is provided with the rubber ring limiting section (422) for limiting cable location to be extruded, described rubber ring limiting section
(422) radial cross-sectional shape contacting the medial surface of cable to be extruded is arc, and described rubber ring limiting section (422) contact is treated
The medial surface extruding cable is provided with polytetrafluorethylecoatings coatings.
3. a kind of automatic concentricity adjusting according to claim 1 cable insulation extrusion equipment it is characterised in that: described
The concentric guide pin bushing in upstream (40) and described upstream concentric guide pin bushing (40) also include and are arranged inside described guide pin bushing rubber ring (42)
Pressure sensor piece (44) and the fluid cylinder control chips (51) for controlling four described controls electromagnetic valve (48), described fluid cylinder controls
Chip (51) is connected with described pressure sensor piece (44) signal.
4. a kind of automatic concentricity adjusting according to claim 1 cable insulation extrusion equipment it is characterised in that: described
Inner mould core (20) includes core rod inner conical surface (22), core rod inner plane (23) and core rod male cone (strobilus masculinus) (21), described core rod inner conical surface
(22) it is located at the upstream of described core rod inner plane (23), described core rod inner plane (23) is identical with the external diameter of cable to be extruded；Institute
State outer die casing (10) and include die sleeve inner conical surface (11) and die sleeve inner plane (12), the downstream of described inner mould core (20) is positioned at described
Die sleeve inner conical surface (11) place, described die sleeve inner conical surface (11) is more than described core rod male cone (strobilus masculinus) with the angle of cable axis to be extruded
(21) angle with cable axis to be extruded.
5. a kind of automatic concentricity adjusting according to claim 4 cable insulation extrusion equipment it is characterised in that: described
It is provided with core rod mounting groove (24), outside the downstream end of described core rod male cone (strobilus masculinus) (21) at the upstream end of core rod inner conical surface (22)
Footpath is identical with the internal diameter of described die sleeve inner plane (12), and the downstream end of described core rod male cone (strobilus masculinus) (21) and described die sleeve inner cone
The distance between face (11) is more than the spacing between described die sleeve inner plane (12) and cable to be extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823744.2A CN106373668B (en) | 2016-09-16 | 2016-09-16 | A kind of cable insulation extrusion equipment of automatic concentricity adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610823744.2A CN106373668B (en) | 2016-09-16 | 2016-09-16 | A kind of cable insulation extrusion equipment of automatic concentricity adjusting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106373668A true CN106373668A (en) | 2017-02-01 |
| CN106373668B CN106373668B (en) | 2017-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610823744.2A Active CN106373668B (en) | 2016-09-16 | 2016-09-16 | A kind of cable insulation extrusion equipment of automatic concentricity adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106373668B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346733A (en) * | 2016-09-16 | 2017-01-25 | 芜湖市旭辉电工新材料有限责任公司 | Cable insulation extrusion process capable of realizing automatic regulation of concentricity |
| CN108447624A (en) * | 2018-04-26 | 2018-08-24 | 沈阳伊思特机器人自动化科技有限公司 | A kind of cable cold extrusion reducing formation system and cable cold extrusion reducing forming method |
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| CN2072265U (en) * | 1990-07-07 | 1991-02-27 | 江西省通信电缆厂 | Cable core insulation extruder handpiece |
| US5286183A (en) * | 1991-05-13 | 1994-02-15 | Pirelli Cavi S.P.A. | Extruder head for applying coatings of polymeric material to semifinished products of elongated cylindrical conformation |
| CN201215746Y (en) * | 2008-06-27 | 2009-04-01 | 远东电缆有限公司 | Pressing type mold for electric cable protection sleeve |
| CN201859708U (en) * | 2010-09-15 | 2011-06-08 | 昆山欧普电子科技有限公司 | Aligning-free machine head device with anti-eccentric mechanism |
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2016
- 2016-09-16 CN CN201610823744.2A patent/CN106373668B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072265U (en) * | 1990-07-07 | 1991-02-27 | 江西省通信电缆厂 | Cable core insulation extruder handpiece |
| US5286183A (en) * | 1991-05-13 | 1994-02-15 | Pirelli Cavi S.P.A. | Extruder head for applying coatings of polymeric material to semifinished products of elongated cylindrical conformation |
| CN201215746Y (en) * | 2008-06-27 | 2009-04-01 | 远东电缆有限公司 | Pressing type mold for electric cable protection sleeve |
| CN201859708U (en) * | 2010-09-15 | 2011-06-08 | 昆山欧普电子科技有限公司 | Aligning-free machine head device with anti-eccentric mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346733A (en) * | 2016-09-16 | 2017-01-25 | 芜湖市旭辉电工新材料有限责任公司 | Cable insulation extrusion process capable of realizing automatic regulation of concentricity |
| CN108447624A (en) * | 2018-04-26 | 2018-08-24 | 沈阳伊思特机器人自动化科技有限公司 | A kind of cable cold extrusion reducing formation system and cable cold extrusion reducing forming method |
| CN108447624B (en) * | 2018-04-26 | 2024-01-12 | 沈阳北方艾克电缆有限公司 | Cable cold extrusion diameter reduction forming system and cable cold extrusion diameter reduction forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106373668B (en) | 2017-06-13 |
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Effective date of registration: 20190513 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 241080 3 E road, San Shan Economic Development Zone, Wuhu, Anhui Patentee before: Wuhu XuHui Electric New Material Co., Ltd. |
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Effective date of registration: 20190521 Address after: 225000 East of Fengyu Road, Touqiao District, Beizhou Industrial Park, Yangzhou City, Jiangsu Province Patentee after: Jiangsu Yitong Cable Co., Ltd. Address before: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: Anhui Eagle Dragon Industrial Design Co., Ltd. |
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