CN110271162A - Double-layer bi-color cable co-extruding machine head - Google Patents
Double-layer bi-color cable co-extruding machine head Download PDFInfo
- Publication number
- CN110271162A CN110271162A CN201910592463.4A CN201910592463A CN110271162A CN 110271162 A CN110271162 A CN 110271162A CN 201910592463 A CN201910592463 A CN 201910592463A CN 110271162 A CN110271162 A CN 110271162A
- Authority
- CN
- China
- Prior art keywords
- double
- pressing sleeve
- equal pressing
- channel
- outer layer
- 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
- 239000011248 coating agent Substances 0.000 claims description 63
- 238000000576 coating method Methods 0.000 claims description 63
- 239000012774 insulation material Substances 0.000 claims description 22
- 238000010079 rubber tapping Methods 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000003801 milling Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 13
- 239000010410 layer Substances 0.000 description 87
- 238000010586 diagram Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 6
- 241001463139 Vitta Species 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000000304 warm extrusion Methods 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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)
- Manufacturing Of Electric Cables (AREA)
Abstract
The invention discloses a kind of double-layer bi-color cable co-extruding machine heads, it includes die holder set, mold core, die sleeve, note item set, outer equal pressing sleeve, interior equal pressing sleeve, die body, jam nut, from inside to outside, the interior equal pressing sleeve, outer equal pressing sleeve, note item set, die body are successively set with, one end of the die body is provided with jam nut, the other end of the die body is provided with mold core, and the die core front end is provided with die sleeve, and the die sleeve is fixed on die body through die holder set.The present invention can squeeze out primary insulation and the apparent cable of outer layer insulation boundary.
Description
Technical field
The invention belongs to cable extrusion apparatus, in particular to a kind of dichromatic cable co-extruding machine head.
Background technique
Referring to Fig. 1, in the prior art, as the cable of finished product, from-inner-to-outer successively include copper core A, primary insulation B,
Outer layer insulation C, further include be applied directly to outer layer insulation surface layer (surface for being embedded in outer layer) respectively account for 15% double-colored D, this
The shortcomings that kind structure is that double-colored boundary is unobvious, uses the rear easily thin out colour fading of double-colored D for a long time.
Cable in Fig. 2 realizes that primary insulation and outer layer insulation boundary are obvious, and allows outer layer insulation by vitta 15%+ master
Color 35%+ vitta 15%+ mass-tone 35% is constituted, and essential distinction is: vitta is not embedded in superficies, is embedded in outer layer
Whole cross section from inside to outside, the boundary of the part of outer layer four is also fairly obvious, still clear-cut after long-time use, is also convenient for point
Other three-phase power line.
Product provided by Fig. 2 has significant technical advantage at fade-proof aspect, however, such product is to for squeezing out
More stringent requirements are proposed for machine manufacturer, and it is larger to be especially embodied in co-extruding machine head design difficulty.
Summary of the invention
Technical problem to be solved by the present invention lies in a kind of double-layer bi-color cable co-extruding machine head is provided, extrudable internal layer is exhausted
Edge and outer layer insulation are demarcated apparent cable, and products obtained therefrom quality is stablized, double-colored item not fugitive color, and can produce different size
Product.
In order to solve the above technical problems, double-layer bi-color cable co-extruding machine head of the invention, including die holder set, it further include mutually passing through
Logical plug and mold core further includes outer equal pressing sleeve, interior equal pressing sleeve, die body, jam nut, it is characterised in that: further includes note item set；
From inside to outside, the plug, interior equal pressing sleeve, outer equal pressing sleeve, note item set, die body are successively set with, the jam nut, mold core difference
The both ends of die body are set, further include being fixed on the mould through the die holder set with the matched die sleeve of the mold core, the die sleeve
On body；The outer equal pressing sleeve, interior equal pressing sleeve, mold core front end be set as match each other 3 conical surfaces, it is the outer equal pressing sleeve, interior
Equal pressing sleeve, mold core, note item set, die sleeve cooperatively form coating channel.
It is provided with primary insulation material in the double-layer bi-color cable co-extruding machine head and squeezes out channel, the primary insulation material squeezes out
Channel includes: successively to penetrate through through the die body, note item set, outer equal pressing sleeve to the internal layer feed channel of interior equal pressing sleeve, further includes that milling is dug
The internal layer squeezing passage of equal pressing sleeve inner cavity inside, further includes the internal layer tapping channel being set in interior equal pressing sleeve, and the internal layer goes out
The front end in material channel is provided with internal layer discharge port, and the internal layer discharge port is set between interior equal pressing sleeve and outer equal pressing sleeve, described
Internal layer discharge port is connected to the coating channel.
It is provided with outer layer insulation material in the double-layer bi-color cable co-extruding machine head and squeezes out channel, the outer layer insulation material squeezes out
Channel includes: successively to penetrate through through the die body, note item set to the outer layer feed channel of outer equal pressing sleeve, further includes that equal pressing sleeve outside is dug in milling
Interior outer layer squeezing passage further includes the outer layer tapping channel being set in interior equal pressing sleeve, the front end of the outer layer tapping channel
2 outer layer discharge ports are provided with, the outer layer discharge port is set between outer equal pressing sleeve and note item set, the outer layer discharging
Mouth is connected to the coating channel.
It is provided with Double-colour horn wire in the double-layer bi-color cable co-extruding machine head and squeezes out channel comprising: it is intracorporal to be set to mould
Double-colour horn wire coating feed inlet further includes the Double-colour horn wire coating transition passage dug along note item set appearance facing cut, further includes milling to dig infusing
Double-colour horn wire coating feed channel in item set, further includes the Double-colour horn wire coating extrusion channel being set on outer equal pressing sleeve, further includes setting
The Double-colour horn wire coating tapping channel being placed on outer equal pressing sleeve, the front end of the Double-colour horn wire coating tapping channel be provided with 2 it is double-colored
Line coating discharge port, the double-colored painting strands discharge port are connected to the coating channel.
The Double-colour horn wire coating transition passage and the Double-colour horn wire coating extrusion on the outer equal pressing sleeve that the note item puts on setting
Channel matches.
Along the cross-wise direction of head, the outer layer discharge port and Double-colour horn wire coating discharge port are arranged on the same circumference；Institute
It states outer layer discharge port and Double-colour horn wire coating discharge port is spaced setting two-by-two.
By using the outer equal pressing sleeve of different size, note item set, the outer layer discharge port and Double-colour horn wire coating discharge port exist
Circumference to proportion it is adjustable, so as to adjust the ratio of the double-colored item of finished cable outer layer.
Technological merit of the invention is embodied in: A, using primary insulation shown in the extrudable Fig. 2 of the present invention and outer layer insulation point
The apparent cable in boundary；B, convenient for the ratio of control mass-tone and the double-colored item for mark, by replacing outer pressing sleeve and note item
Set is, it can be achieved that final products colour code ratio adjusts；C, primary insulation material, outer layer insulation material, outer layer Double-colour horn wire coating are squeezed out simultaneously；
D, the extrusion outlet of outer layer insulation material, outer layer Double-colour horn wire coating is arranged at intervals on same circumference two-by-two and adjoins each other, and two kinds
Expect while squeezing out, being crosslinked mutually under high temperature extrusion state, improves bond strength.
Detailed description of the invention
Fig. 1 is tradition finished cable schematic diagram described in background technique；
Fig. 2 is improved cable schematic diagram described in background technique；
Fig. 3 is the structural schematic diagram of double-layer bi-color cable co-extruding machine head of the invention；
Fig. 4 is cross-sectional view of the Fig. 3 along K-K line；
Fig. 5 is the structural schematic diagram of interior equal pressing sleeve；
Fig. 6 is the unfolded state schematic diagram of interior equal pressing sleeve；
Fig. 7 is the side view of Fig. 5；
Fig. 8 is the structural schematic diagram of outer equal pressing sleeve；
Fig. 9 is the unfolded state schematic diagram of outer equal pressing sleeve；
Figure 10 is the side view of Fig. 8；
Figure 11 is the structural schematic diagram for infusing item set；
Figure 12 is the unfolded state schematic diagram for infusing item set；
Figure 13 is the side view of Figure 11；
Figure 14 is the outer layer discharge port and Double-colour horn wire coating discharge port binding site schematic diagram.
Specific embodiment
As shown in Figure 1, Figure 2 as it can be seen that double-layer bi-color cable co-extruding machine head of the invention be mainly used in squeeze out Fig. 2 shown in internal layer it is exhausted
Edge and the apparent cable of outer layer insulation boundary.
It further include connecting such as Fig. 3 to Figure 14 as it can be seen that double-layer bi-color cable co-extruding machine head of the invention, including die holder cover 1
Plug 20 and mold core 2, further include outer equal pressing sleeve 5, interior equal pressing sleeve 6, die body 7, jam nut 8, further include note item set 4；From interior
Outward, the plug 20, interior equal pressing sleeve 6, outer equal pressing sleeve 5, note item set 4, die body 7 are successively set with, the jam nut 8, mold core 2
The both ends of die body 7 are separately positioned on, further include being fixed with the matched die sleeve 3 of the mold core 2, the die sleeve 3 through die holder set 1
On the die body 7.
Such as Fig. 3, Fig. 4 as it can be seen that the outer equal pressing sleeve 5, interior equal pressing sleeve 6, mold core 2 front end be set as match each other 3
The conical surface, the outer equal pressing sleeve 5, interior equal pressing sleeve 6, mold core 2, note item set 4, die sleeve 3 cooperatively form coating channel 9.
Such as Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 as it can be seen that being provided with primary insulation material in the double-layer bi-color cable co-extruding machine head
Channel is squeezed out, it includes: successively to penetrate through through the die body 7, note item set 4, outer equal pressing sleeve 5 to interior that the primary insulation material, which squeezes out channel,
The internal layer feed channel A1 of equal pressing sleeve 6 further includes that the internal layer squeezing passage A2 of 6 inner cavity of pressing sleeve inside is dug in milling, further includes being set to
Internal layer tapping channel A3 in interior equal pressing sleeve 6, the front end of the internal layer tapping channel A3 is provided with internal layer discharging port A 4, described interior
Layer discharging port A 4 is set between interior equal pressing sleeve 6 and outer equal pressing sleeve 5.The internal layer feed channel A1, internal layer squeezing passage A2, internal layer
Tapping channel A3 is connected to through internal layer discharging port A 4 with the coating channel 9.
Such as Fig. 3, Fig. 4, Fig. 8, Fig. 9, Figure 10 as it can be seen that being provided with outer layer insulation material in the double-layer bi-color cable co-extruding machine head
Channel is squeezed out, it includes: successively through the die body 7,4 perforation of note item set to outer equal pressing sleeve 5 that the outer layer insulation material, which squeezes out channel,
Outer layer feed channel B1 further includes the outer layer squeezing passage B2 that milling is dug in equal pressing sleeve 5 outside, further includes being set in interior equal pressing sleeve 6
Outer layer tapping channel B3, the front end of the outer layer tapping channel B3 is provided with 2 outer layer discharge port B4, the outer layer discharge port
B4 is set between outer equal pressing sleeve 5 and note item set 4.The outer layer feed channel B1, outer layer squeezing passage B2, outer layer discharging are logical
Road B3 is connected to through outer layer discharge port B4 with the coating channel 9.
Lead to such as Fig. 3, Fig. 4, Fig. 8 to Figure 14 as it can be seen that being provided with Double-colour horn wire extrusion in the double-layer bi-color cable co-extruding machine head
Road comprising: the Double-colour horn wire coating feed inlet C10 being set in die body 7 further includes covering the double-colored of 4 appearance facing cuts digging along note item
Line coating transition passage C11, further include milling dig note item set 4 in Double-colour horn wire coating feed channel C12, further include be set to it is outer
Double-colour horn wire coating extrusion channel C 2 on pressing sleeve 5 further includes the Double-colour horn wire coating tapping channel C3 being set on outer equal pressing sleeve 5,
The front end of the Double-colour horn wire coating tapping channel C3 is provided with 2 Double-colour horn wire coating discharge port C4.The Double-colour horn wire coating charging
Mouth C10, Double-colour horn wire coating transition passage C11, Double-colour horn wire coating feed channel C12, Double-colour horn wire coating extrusion channel C 2, Double-colour horn wire apply
Material tapping channel C3 is connected to through double-colored painting strands discharge port C4 with the coating channel 9.
The Double-colour horn wire coating on Double-colour horn wire coating transition passage C11 and the outer equal pressing sleeve 5 being arranged on the note item set 4
Squeezing passage C2 matches.
Such as Fig. 9, Figure 14 as it can be seen that along head cross-wise direction, the outer layer discharge port B4 and Double-colour horn wire coating discharge port C4
Setting is on the same circumference.The outer layer discharge port B4 and Double-colour horn wire coating discharge port C4 are spaced setting two-by-two.The outer layer goes out
Material mouth B4 and Double-colour horn wire coating discharge port C4 are adjacent to each other, to guarantee outer layer insulation material, Double-colour horn wire coating while squeeze out, in height
Warm extrusion does well lower mutual crosslinking, and the two material hot melt is integrated, and bond strength is high.
By using the outer equal pressing sleeve 5 of different size, note item set 4, the outer layer discharge port B4 and Double-colour horn wire coating discharge
Mouthful C4 circumference to proportion it is adjustable, so as to adjust the ratio of the double-colored item of finished cable outer layer.
Such as Fig. 3, Fig. 4 as it can be seen that the Double-colour horn wire coating feed inlet C10, outer layer feed channel B1 are connected to mould from Different Plane
Body 7, in the present embodiment, Double-colour horn wire coating feed inlet C10 enters in the horizontal direction, and outer layer feed channel B1 enters in vertical direction,
To guarantee that each channel can connect.
The course of work of the invention:
A, copper core A enters from 8 one end of jam nut, draws and exports from 3 one end of die sleeve through plug 20 and mold core 2.
B, internal layer feed channel A1 is connect with primary insulation feed device；Outer layer feed channel B1 and the feeding of outer layer insulation material fill
Connection is set, Double-colour horn wire coating feed inlet C10 applies material conveying device with Double-colour horn wire and connect；The synchronous feeding of three sets of feed devices.
B1, primary insulation material squeeze out channel, internal layer discharging port A 4, coating channel 9 extrusion to copper core A through primary insulation material
On；
B2, outer layer insulation material squeeze out channel, 2 outer layer discharge port B4, coating channel 9 extrusion to step B1 work through outer layer insulation material
On part；
B3, Double-colour horn wire coating squeeze out channel, 2 Double-colour horn wire coating discharge port C4, coating channel 9 extrusion to step B1 through Double-colour horn wire
On workpiece.
Above step B1, B2, B3 synchronize continuous work；Wherein step B2, B3 on the same circumference, according to mass-tone 35%+ color
15%+ mass-tone 35%+ vitta 15% is synchronous respectively to squeeze out outer layer insulation material and Double-colour horn wire coating.
C, head exports to obtain product shown in Fig. 2.
By replacing outer equal pressing sleeve, the note item set of different size, mass-tone can be obtained, vitta matches different products.
Claims (1)
1. a kind of double-layer bi-color cable co-extruding machine head, including die holder set (1) further include the plug (20) and mold core (2) to connect,
It further include outer equal pressing sleeve (5), interior equal pressing sleeve (6), die body (7), jam nut (8), it is characterised in that: further include note item set (4)；
From inside to outside, the plug (20), interior equal pressing sleeve (6), outer equal pressing sleeve (5), note item set (4), die body (7) are successively set with, described
Jam nut (8), mold core (2) are separately positioned on the both ends of die body (7), further include with the mold core (2) matched die sleeve (3),
The die sleeve (3) is fixed on the die body (7) through the die holder set (1)；
The outer equal pressing sleeve (5), interior equal pressing sleeve (6), mold core (2) front end be set as match each other 3 conical surfaces, it is described it is outer
Pressing sleeve (5), interior equal pressing sleeve (6), mold core (2), note item set (4), die sleeve (3) cooperatively form coating channel (9)；
It is provided with primary insulation material in the double-layer bi-color cable co-extruding machine head and squeezes out channel, the primary insulation material squeezes out channel
It include: successively to penetrate through through the die body (7), note item set (4), outer equal pressing sleeve (5) to the internal layer feed channel of interior equal pressing sleeve (6)
(A1), further include that the internal layer squeezing passage (A2) of pressing sleeve (6) inner cavity is dug inside in milling, further include being set in interior equal pressing sleeve (6)
Internal layer tapping channel (A3), the front end of the internal layer tapping channel (A3) is provided with internal layer discharge port (A4), and the internal layer goes out
Material mouth (A4) is set between interior equal pressing sleeve (6) and outer equal pressing sleeve (5), the internal layer discharge port (A4) and the coating channel
(9) it is connected to；
It is provided with outer layer insulation material in the double-layer bi-color cable co-extruding machine head and squeezes out channel, the outer layer insulation material squeezes out channel
Include: successively to penetrate through through the die body (7), note item set (4) to the outer layer feed channel (B1) of outer equal pressing sleeve (5), further includes that milling is dug
Outer layer squeezing passage (B2) in equal pressing sleeve (5) outside further includes the outer layer tapping channel being set in interior equal pressing sleeve (6)
(B3), the front end of the outer layer tapping channel (B3) is provided with 2 outer layer discharge ports (B4), outer layer discharge port (B4) setting
Between outer equal pressing sleeve (5) and the note item set (4), the outer layer discharge port (B4) is connected to the coating channel (9)；
It is provided with Double-colour horn wire in the double-layer bi-color cable co-extruding machine head and squeezes out channel comprising: it is set to double in die body (7)
Colo(u)r streak coating feed inlet (C10) further includes the Double-colour horn wire coating transition passage (C11) dug along note item set (4) appearance facing cut, also wraps
The Double-colour horn wire coating feed channel (C12) that milling is dug in note item set (4) is included, further includes the Double-colour horn wire being set on outer equal pressing sleeve (5)
Coating extrusion channel (C2) further includes the Double-colour horn wire coating tapping channel (C3) being set on outer equal pressing sleeve (5), the Double-colour horn wire
The front end of coating tapping channel (C3) is provided with 2 Double-colour horn wire coating discharge ports (C4), the double-colored painting strands discharge port (C4)
It is connected to the coating channel (9)；
Along the cross-wise direction of head, the outer layer discharge port (B4) and Double-colour horn wire coating discharge port (C4) are arranged in same circumference
On；The outer layer discharge port (B4) and Double-colour horn wire coating discharge port (C4) are spaced setting two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592463.4A CN110271162A (en) | 2019-07-03 | 2019-07-03 | Double-layer bi-color cable co-extruding machine head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910592463.4A CN110271162A (en) | 2019-07-03 | 2019-07-03 | Double-layer bi-color cable co-extruding machine head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110271162A true CN110271162A (en) | 2019-09-24 |
Family
ID=67962746
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910592463.4A Pending CN110271162A (en) | 2019-07-03 | 2019-07-03 | Double-layer bi-color cable co-extruding machine head |
Country Status (1)
| Country | Link |
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| CN (1) | CN110271162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300794A (en) * | 2020-03-09 | 2020-06-19 | 常州市美华电器有限公司 | Double-color cable three-layer co-extrusion device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910262A (en) * | 2019-04-11 | 2019-06-21 | 四川川东电缆有限责任公司 | A kind of three-layer co-extruding machine head of double-colored four points of insulated cables |
| CN210336793U (en) * | 2019-07-03 | 2020-04-17 | 安徽普瑞斯电工机械有限公司 | Double-layer double-color cable co-extrusion machine head |
-
2019
- 2019-07-03 CN CN201910592463.4A patent/CN110271162A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910262A (en) * | 2019-04-11 | 2019-06-21 | 四川川东电缆有限责任公司 | A kind of three-layer co-extruding machine head of double-colored four points of insulated cables |
| CN210336793U (en) * | 2019-07-03 | 2020-04-17 | 安徽普瑞斯电工机械有限公司 | Double-layer double-color cable co-extrusion machine head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300794A (en) * | 2020-03-09 | 2020-06-19 | 常州市美华电器有限公司 | Double-color cable three-layer co-extrusion device |
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