CN110450379A - Electric wire extruder exempts from tune secondary color head outer die casing - Google Patents
Electric wire extruder exempts from tune secondary color head outer die casing Download PDFInfo
- Publication number
- CN110450379A CN110450379A CN201910860719.5A CN201910860719A CN110450379A CN 110450379 A CN110450379 A CN 110450379A CN 201910860719 A CN201910860719 A CN 201910860719A CN 110450379 A CN110450379 A CN 110450379A
- Authority
- CN
- China
- Prior art keywords
- outer die
- die casing
- flow
- guiding mouth
- electric wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000004595 color masterbatch Substances 0.000 claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003086 colorant Substances 0.000 abstract description 9
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3462—Cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The exempting from of a kind of electric wire extruder adjusts secondary color head outer die casing, belongs to wire and cable extrusion device technical field.Including an outer die casing ontology, the center of the outer die casing ontology, which is constituted, has one to penetrate through from one end of outer die casing ontology to the mold core cavities of the other end, color masterbatches feed well and diversion trench are constituted on the outer wall of outer die casing ontology, color masterbatch feed well is communicated with diversion trench, and diversion trench is communicated with flow-guiding mouth, flow-guiding mouth is communicated with mold core cavities, is characterized in that the construction of the arc-shaped chamber on the wall body for the left end that the flow-guiding mouth is provided with the outer die casing ontology and in surrounding enclosing.Secondary color material strip can be avoided the different variation of width occur the effective control of color masterbatch by way of flow-guiding mouth；Ensure a colorant and mass-tone material clear-cut；It avoids blindly wasting color masterbatch；Improve the quality of secondary color cable.
Description
Technical field
The invention belongs to wire and cable extrusion device technical fields, and in particular to the exempting from of a kind of electric wire extruder adjusts secondary color machine
Head outer die casing.
Background technique
Electric wire extruder above-mentioned is cable extruding machine or cable squeeze jacket machine.It is aforementioned to exempt to adjust the typical of secondary color head
Such as U7 exempt from adjust secondary color head, due to U7 exempt from adjust secondary color head concept, function and working principle belong to well-known technique and
It can be also seen in disclosed Chinese patent literature, " a kind of electric wire extruder U7 secondary color head recommended such as CN203600587U
Outer die casing ", thus the not reinflated explanation of applicant.
Fig. 5 is the structure chart for exempting to adjust secondary color head outer die casing of the separate room color generally used in prior art, including external mold
Ontology 1 is covered, the center of the outer die casing ontology 1, which is constituted, has one to penetrate through from one end of outer die casing ontology 1 to the mold core cavities 11 of the other end
(" mold core hole " can also be claimed), constitute color masterbatches feed well 12 and diversion trench 13 on the outer wall of outer die casing ontology 1, color masterbatch into
Hopper 12 is communicated with diversion trench 13, and diversion trench 13 is communicated with flow-guiding mouth 131, which is formed in outer die casing ontology 1
On the end face of left end.Furthermore the function for the positioning pin 14 being formed on outer die casing ontology 1 is that entire outer die casing ontology 1 is fixed on note
On molding machine.
Fig. 6 is the schematic diagram by colo(u)r streak between Fig. 5 structure extrusion.There is mass-tone material insulating outer protective cover material 21 in the outer extrusion of conductor 2,
Secondary color material strip 211 is combined with outside mass-tone material insulating outer protective cover material 21.
It from above-mentioned Fig. 5 structure and combines Fig. 6: after color masterbatch enters from color masterbatch feed well 12, introducing water conservancy diversion
It slot 13 and is drawn by flow-guiding mouth 131 and is incorporated in outside mass-tone material insulating outer protective cover material 21.Due to the flow-guiding mouth 131 of diversion trench 13
It is essentially an open slot, thus its blanking form shows as runner fluting blanking, runner slots blanking to aforementioned secondary color material strip
211 secondary color size or the consistency of width be difficult to even it is at all uncontrollable, in actual production process,
If technique requires the secondary color area of 20-30%, actual displayed is greater than 30%, and the revolving speed of secondary color machine is faster, exceeds
Secondary color area is bigger, on the contrary then smaller.In addition, from the signal of Fig. 6 it is found that due to being runner fluting blanking, thus secondary color material strip
211 with the boundary of mass-tone material insulating outer protective cover material 21 or be connected and have bottom drain phenomenon, so-called bottom drain phenomenon refers to that color is aobvious
It writes light.In order to make up this shortcoming, industry is usually by the technique of the weight ratio 100: 2 of mass-tone material and color masterbatch (colorant between i.e.)
100: 4 when proportion is changed to actual production, the color of the unreasonable waste of colorant and boundary is still between being so as to cause color masterbatch
It is so difficult to reach requiring for industry expectation.
Fig. 7 is the structure chart for exempting to adjust secondary color head outer die casing of the double secondary colors generally used in prior art.Including external mold
Ontology 1 is covered, the center of the outer die casing ontology 1, which is constituted, has one end from outer die casing ontology 1 to penetrate through to the mold core cavities 11(of the other end
Can claim " mold core hole "), color masterbatches feed well 12 and diversion trench 13 are constituted on the outer wall of outer die casing ontology 1, due to diversion trench
13 have corresponding two, thus also constituting between color masterbatch feed well 12 and diversion trench 13 has one to be connected to color masterbatch feed well 12
With the diversion channel 121 of diversion trench 13, color masterbatch feed well 12 is diverted to diversion trench 13 by diversion channel 121, and diversion trench 13 with
The flow-guiding mouth 131(being formed on the left end end face of outer die casing ontology 1 two) it communicates.It is being processed by Fig. 7 and by Fig. 6 signal
The quantity of secondary color material strip 211 is two.Remaining is the same as the explanation to Fig. 5 and Fig. 6.
" a kind of die sleeve for single wire of cable " that Chinese patent CN202008876U recommends is capable of processing out secondary color electric wire and can body
The technical effect of present the 0020th section of conclusion of its specification.But it is read and is combined relevant by the full text to its specification
Known to figure: since the flow-guiding mouth, that is, discharge outlet in color masterbatch channel tends to open state in no control, thus by the patent
The secondary color material strip that the die sleeve for single wire of cable of structure processes equally will appear earlier figures 5 and the deficiency of Fig. 7.
Unquestionably, if it is possible to its sprawling is avoided to the effective control of color masterbatch at preceding guide mouth 131, then before
Stating technical problem just can be resolved, and the applicant has made lasting and beneficial exploration, technical side described below thus
Case generates in this background.
Summary of the invention
It is avoided task of the invention lies in a kind of effective control of flow-guiding mouth implementation facilitated to diversion trench is provided
There is the different variation of width, is conducive to prevent the bottom drain phenomenon of a colorant and is able to ensure a colorant and mass-tone material in secondary color material strip
Clear-cut, the mass-tone material for being beneficial to meet technique requirement are consistent with the proportion in actual production with the proportion of color masterbatch and obtain
Exempt from tune secondary color head outer die casing to avoid the electric wire extruder for wasting and reducing technique controlling difficulty for causing color masterbatch.
The task of the present invention is in this way to complete, and a kind of electric wire extruder exempts to adjust secondary color head outer die casing, including one
Outer die casing ontology, the center of the outer die casing ontology, which is constituted, has one to penetrate through from one end of outer die casing ontology to the mold core cavities of the other end,
Color masterbatches feed well and diversion trench are constituted on the outer wall of outer die casing ontology, color masterbatch feed well is communicated with diversion trench, and is led
Chute is communicated with flow-guiding mouth, and flow-guiding mouth is communicated with mold core cavities, is characterized in that the flow-guiding mouth is provided with the outer die casing ontology
Left end wall body on and in surrounding enclosing arc-shaped chamber construction.
In a specific embodiment of the invention, the diversion trench is constituted towards one end of the flow-guiding mouth one
Flow-guiding mouth first draws the material flow-guiding mouth of runner I and one second and draws material runner II, and flow-guiding mouth first draws material runner I leads with described
The side of head piece is connected, and flow-guiding mouth second draws material runner II and is connected with the other side of flow-guiding mouth.
In another specific embodiment of the invention, there is outer die casing peace in the right end composition of the outer die casing ontology
Fill mounting flange.
In another specific embodiment of the invention, in the wall of the circumferencial direction of outer die casing installation mounting flange
Constituting on body has flange fixed thread.
In another specific embodiment of the invention, on the outer wall of the outer die casing ontology and close to described
The position of outer die casing installation mounting flange, which is constituted, a positioning pin.
Of the invention there are one in specific embodiment, the arc length of the flow-guiding mouth is electric wire oversheath circumference
1/3rd to eight.
One of the technical effect of technical solution provided by the invention, due to changing the flow-guiding mouth of the opened type in prior art
For the construction of the arc-shaped chamber of surrounding enclosing, thus secondary color material strip can be avoided to go out the effective control of color masterbatch by way of flow-guiding mouth
The different variation of existing width；Two, due to the surrounding enclosing of flow-guiding mouth, thus when flow-guiding mouth by color masterbatch introduce and with mass-tone material
In conjunction with when be not in bottom drain situation, it is ensured that colorant and mass-tone material clear-cut and without fuzzy transition boundary area；Three, by
In by the surrounding enclosing of flow-guiding mouth, thus it is beneficial to make the proportion of mass-tone material and color masterbatch with the proportion phase one in actual production
It causes, not only can avoid blindly waste color masterbatch, but also can accordingly reduce the harshness of technique；Four, be beneficial to improve secondary color cable
Quality.
Detailed description of the invention
Fig. 1 is first embodiment of the present invention structure chart.
Fig. 2 is the cross-sectional view that Fig. 1 is arranged after mold core.
The schematic diagram of Fig. 3 colo(u)r streak between the extrusion of Fig. 1 structure.
Fig. 4 is second embodiment of the present invention schematic diagram.
Fig. 5 is the structure chart for exempting to adjust secondary color head outer die casing of the separate room color in prior art.
The schematic diagram of Fig. 6 colo(u)r streak between the extrusion of Fig. 5 structure.
Fig. 7 is the structure chart for exempting to adjust secondary color head outer die casing of double secondary colors in prior art.
Specific embodiment
In order to which technical spirit and beneficial effect of the invention is more clearly understood, applicant is below with embodiment
Mode elaborate, but be not limitation to the present invention program, any structure according to the present invention to the description of embodiment
Think made only formal but not substantive equivalent transformation and is regarded as technical solution of the present invention scope.
The concept of all directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description
For the location of the figure described state, thus it cannot be understood as to technical solution provided by the invention
Be particularly limited to.
Embodiment 1:
Referring to Figure 1 and Fig. 2, an outer die casing ontology 1 is shown, the center of the outer die casing ontology 1, which is constituted, to be had one from outer die casing sheet
One end of body 1 is penetrated through to the mold core cavities 11 of the other end, and composition, which has, on the outer wall of outer die casing ontology 1 opens up color masterbatches charging
Slot 12 and diversion trench 13, color masterbatch feed well 12 is communicated with diversion trench 13, and diversion trench 13 is communicated with flow-guiding mouth 131, flow-guiding mouth
131 communicate with mold core cavities 11.
Technical essential as technical solution provided by the invention: flow-guiding mouth 131 above-mentioned is provided with aforementioned outer die casing sheet
The construction of arc-shaped chamber on the wall body of the left end of body 1 and in surrounding enclosing.Visually say, preceding guide slot 131 in both with
Mold core cavities 11 communicate and construction communicate with the outside world and generally in square shape (arcuation " square shape ").
Continue to see Fig. 1, diversion trench 13 above-mentioned is constituted towards one end of preceding guide mouth 131 has a flow-guiding mouth first to draw material
Runner I 132 and a flow-guiding mouth second draw material runner II 133, and flow-guiding mouth first draws material runner I 132 and preceding guide mouth
131 side linking, flow-guiding mouth second draw material runner II 133 and are connected with the other side of flow-guiding mouth 131.
There is an outer die casing that mounting flange 15 is installed in the right end composition of aforementioned outer die casing ontology 1.
Constituting on the wall body of the circumferencial direction of aforementioned outer die casing installation mounting flange 15 has flange fixed thread 151.
It is constituted on the outer wall of aforementioned outer die casing ontology 1 and close to the position of aforementioned outer die casing installation mounting flange 15
There is a positioning pin 14.
Since the function of foregoing flange fixed thread 151 and positioning pin 14 belongs to well-known technique, thus applicant is no longer
It repeats.
In the present embodiment, the arc length of preceding guide mouth 131 is preferably 1/8th of electric wire oversheath circumference, but
It can be 1/5th or one third, specifically to require according to cable user according to needing to select.
Fig. 2 is referred to, the mold core 3 being set in aforementioned mold core cavities 11 is also shown in Fig. 2.
Fig. 3 is referred to, is the schematic diagram of colo(u)r streak between extrusion after mold core 3 is arranged by Fig. 1 structure, has master in the outer extrusion of conductor 2
Colorant insulating outer protective cover material 21, it is outer like mosaic mode is combined with a secondary color material strip 211 in mass-tone material insulating outer protective cover material 21, have
Body is: color masterbatch is introduced by color masterbatch feed well 12, successively draws material runner I 132, water conservancy diversion through diversion trench 13, flow-guiding mouth first
Mouth second draws material runner II 133 and flow-guiding mouth 131 exports, that is, imports the left end of aforementioned mold core cavities 11.By by Fig. 3 and Fig. 6
Comparison, can confirm applicant's technical effect of the invention described in technical effect column above.
Embodiment 2:
Fig. 4 is referred to, relative to embodiment 1, the present embodiment is due to using aspectant two flow-guiding mouths 131, thus in color
Diversion channel 121 is had additional between masterbatch feed well 12 and diversion trench 13, the color masterbatch i.e. secondary color introduced by color masterbatch feed well 12
Material supplies two diversion trenches 13 through diversion channel 121, then draws through two flow-guiding mouths first and expect that runner I 132 and two flow-guiding mouths second draw
Expect runner II 133.Remaining is the same as the description to embodiment 1.
In conclusion technical solution provided by the invention compensates for the shortcoming in prior art, invention has been favorably accomplished
Task has faithfully fulfilled the technical effect that applicant refers in technical effect column above.
Claims (6)
1. a kind of electric wire extruder exempts from tune secondary color head outer die casing, including an outer die casing ontology (1), the outer die casing ontology (1)
Center constitute there is one to penetrate through from one end of outer die casing ontology (1) to the mold core cavities of the other end (11), in outer die casing ontology (1)
Color masterbatches feed well (12) are constituted on outer wall and diversion trench (13), color masterbatch feed well (12) are communicated with diversion trench (13), and
Diversion trench (13) is communicated with flow-guiding mouth (131), and flow-guiding mouth (131) is communicated with mold core cavities (11), it is characterised in that the water conservancy diversion
The construction of arc-shaped chamber on the wall body for the left end that mouth (131) is provided with the outer die casing ontology (1) and in surrounding enclosing.
2. electric wire extruder according to claim 1 exempts from tune secondary color head outer die casing, it is characterised in that the water conservancy diversion
Slot (13) is constituted towards one end of the flow-guiding mouth (131) has a flow-guiding mouth first to draw material runner I (132) and a flow-guiding mouth the
Two draw material runner II (133), and flow-guiding mouth first draws material runner I (132) and is connected with the side of the flow-guiding mouth (131), leads
Head piece second draws material runner II (133) and is connected with the other side of flow-guiding mouth (131).
3. electric wire extruder according to claim 1 exempts from tune secondary color head outer die casing, it is characterised in that in the external mold
The right end composition of set ontology (1) has an outer die casing to install mounting flange (15).
4. electric wire extruder according to claim 3 exempts from tune secondary color head outer die casing, it is characterised in that in the external mold
Constituting on the wall body of the circumferencial direction of set installation mounting flange (15) has flange fixed thread (151).
5. electric wire extruder according to claim 3 exempts from tune secondary color head outer die casing, it is characterised in that in the external mold
Covering on the outer wall of ontology (1) and constituting in the position close to outer die casing installation mounting flange (15) has a positioning pin
(14)。
6. electric wire extruder according to claim 1 or 2 exempts from tune secondary color head outer die casing, it is characterised in that the water conservancy diversion
The arc length of mouth (131) is 1st/3rd to eight of electric wire oversheath circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860719.5A CN110450379A (en) | 2019-09-11 | 2019-09-11 | Electric wire extruder exempts from tune secondary color head outer die casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860719.5A CN110450379A (en) | 2019-09-11 | 2019-09-11 | Electric wire extruder exempts from tune secondary color head outer die casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110450379A true CN110450379A (en) | 2019-11-15 |
Family
ID=68491724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860719.5A Pending CN110450379A (en) | 2019-09-11 | 2019-09-11 | Electric wire extruder exempts from tune secondary color head outer die casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110450379A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192823A (en) * | 2020-09-17 | 2021-01-08 | 江苏亨通光电股份有限公司 | Double-heterochromatic strip sheath and extrusion die thereof |
| CN113334732A (en) * | 2021-06-24 | 2021-09-03 | 重庆泰山电缆有限公司 | Die sleeve and machine head for producing double-color line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635191A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Three-color wire cable jacket extrusion mold |
| CN101635189A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Improved two-color cable sheath extruded mould |
| CN101635190A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Two-color cable sheath extruded mould with improved structure |
| KR101463480B1 (en) * | 2014-07-08 | 2014-11-19 | 동명종합철강(주) | Extrusion head for producing covered electric wire |
| CN106903860A (en) * | 2017-03-30 | 2017-06-30 | 安庆市汇东机械有限责任公司 | It is classified the cable extruding machine head of guide |
| CN206926226U (en) * | 2017-04-10 | 2018-01-26 | 讯达康通讯设备(惠州)有限公司 | A kind of shunting extruder head device |
| CN108081568A (en) * | 2017-11-24 | 2018-05-29 | 南京华信藤仓光通信有限公司 | A kind of 3 the same as color bar optical cable extruder die |
| CN210477754U (en) * | 2019-09-11 | 2020-05-08 | 苏州科宝光电科技有限公司 | Non-toning secondary color machine head outer die sleeve of electric wire extruder |
-
2019
- 2019-09-11 CN CN201910860719.5A patent/CN110450379A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635191A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Three-color wire cable jacket extrusion mold |
| CN101635189A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Improved two-color cable sheath extruded mould |
| CN101635190A (en) * | 2009-05-21 | 2010-01-27 | 沈群华 | Two-color cable sheath extruded mould with improved structure |
| KR101463480B1 (en) * | 2014-07-08 | 2014-11-19 | 동명종합철강(주) | Extrusion head for producing covered electric wire |
| CN106903860A (en) * | 2017-03-30 | 2017-06-30 | 安庆市汇东机械有限责任公司 | It is classified the cable extruding machine head of guide |
| CN206926226U (en) * | 2017-04-10 | 2018-01-26 | 讯达康通讯设备(惠州)有限公司 | A kind of shunting extruder head device |
| CN108081568A (en) * | 2017-11-24 | 2018-05-29 | 南京华信藤仓光通信有限公司 | A kind of 3 the same as color bar optical cable extruder die |
| CN210477754U (en) * | 2019-09-11 | 2020-05-08 | 苏州科宝光电科技有限公司 | Non-toning secondary color machine head outer die sleeve of electric wire extruder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112192823A (en) * | 2020-09-17 | 2021-01-08 | 江苏亨通光电股份有限公司 | Double-heterochromatic strip sheath and extrusion die thereof |
| CN112192823B (en) * | 2020-09-17 | 2022-05-24 | 江苏亨通光电股份有限公司 | Double-heterochromatic strip sheath and extrusion die thereof |
| CN113334732A (en) * | 2021-06-24 | 2021-09-03 | 重庆泰山电缆有限公司 | Die sleeve and machine head for producing double-color line |
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