CN206564153U - A kind of plain conductor high polymer coats processing unit (plant) - Google Patents
A kind of plain conductor high polymer coats processing unit (plant) Download PDFInfo
- Publication number
- CN206564153U CN206564153U CN201621245845.8U CN201621245845U CN206564153U CN 206564153 U CN206564153 U CN 206564153U CN 201621245845 U CN201621245845 U CN 201621245845U CN 206564153 U CN206564153 U CN 206564153U
- Authority
- CN
- China
- Prior art keywords
- melt
- plant
- processing unit
- shunting
- compression
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of plain conductor high polymer coats processing unit (plant), melt importing core is arranged in melt importing set and forms the first ligand (12), molding die (6) coordinates forms the second ligand (13) in melt compression head (4), filter bypass body (5) is provided between melt compression head (4) and melt import set (1), cavity between first ligand (12) and the second ligand (13) forms resin-coated runner (8), the resin-coated runner includes straight channel (8.1) successively along melt flows direction, ring coning tower tray road (8.2), pooled portion (8.3) and forming cavity (8.6), filter bypass body (5) is located on the cross section of pooled portion (8.3).The plain conductor high polymer cladding processing unit (plant) sets the design of filter bypass body by pooled portion, Integral design shunts tapering before filter house, the bullet of filter house and shunting taper fit, the problem of runner and cored wire for successfully solving die head of right angle are directly coated, clad even compact, pore-free, it is to avoid the sharkskin and screw thread phenomenon on extrudate surface.
Description
Technical field
The utility model is related to the technical field of conductive surface processing, and in particular to a kind of plain conductor high polymer cladding adds
Frock is put.
Background technology
Modern industry requires more and more higher, such as the cable of Qinghai-Tibet Plateau Railway, due to normal to the covering property of wire
It is operated in weather conditions severe high and cold region year, therefore must has excellent anti-corrosion, cold-resistant, anti-ultraviolet performance will
Ask.To be selected for this cable outer sheath material has preferable resistant to chemical etching, low temperature resistant and resisting environmental stress and cracking high polymer
Material such as high density polyethylene (HDPE), and add the filler (such as carbon black) of uvioresistant irradiation or add the 3- for improving breaking resistance
10mm reinforcing fiber.Conducting wire cladding technique：1. coated in mould：When the wire of preheating enters die head of right angle, from extruder
Melt is just coated on wire.2. cool down：Wire with clad is by cooling bath, and water temperature gradient must be gradually in cooling bath
Decline, for example, 20 DEG C of thermostatted water can be used to a variety of blends of polyethylene；3. spark-testing：Then spark-testing is carried out, is come
The fault of conducting wire cladding insulation is checked,；4. the clad uniformity is detected：The diameter and the degree of eccentricity for measuring product again (are namely led
Whether body is at the center of insulating materials)；5. wind：Final products are wrapped on round drum and reel, then to leading for processing
Line does a variety of tests.
Above-mentioned die head of right angle typical case sees the patent document CN101830065A of Wuxi Xidong Energy Technology Ltd., its
A kind of gluing die head for extruder is disclosed, wire is passed through from the hole of central shaft 5 and passed from discharging set 3, in central shaft 5
Vertical direction be provided with melt canal, melt canal connection is enclosed in gluing chamber 4 around wire, and melt is just coated from exit
Outside wire.Above-mentioned die head of right angle and the cladding for being not suitable with high polymer, have as a drawback that：High polymer molten is directly coated on and led
Just pulled out around line from die orifice, the polymer covering layer of high crystalline is tied not by being sufficiently tensile orientation, wherein entrained air bubbles
Brilliant degree is big, and viscosity is big, and elastic relaxation time is short, more elasticity energy is stored in extruder nib, when it is extruded nib
When external force disappear, elastic abrupt release brings sharkskin and screw thread phenomenon to extrudate surface.
Then, the processing unit (plant) of suitable high polymer cladding is designed how simple in constructionly, no sharkskin and screw thread phenomenon,
Problem as industry general character urgently to be resolved hurrily.
Utility model content
For defect present in above-mentioned prior art, the purpose of this utility model is that providing a kind of plain conductor height gathers
Thing coats processing unit (plant), the problem of fundamentally solving.
The purpose of this utility model is achieved in that a kind of plain conductor high polymer cladding processing unit (plant), including melt
Import set, melt and import core, melt compression head, melt imports set and melt compression head relative engagement, and melt imports core and set
Put to import in melt and the first ligand formed in set, molding die coordinates forms the second ligand in melt compression head,
Filter bypass body, first ligand and the second ligand are provided between melt compression head and melt import set
Between cavity form resin-coated runner, the resin-coated runner includes straight channel, ring successively along melt flows direction
Coning tower tray road, pooled portion and forming cavity, filter bypass body are located on the cross section of pooled portion；
The filter bypass body includes integrally formed location division, filter house and shunting tapering；The filter house includes many
Individual filter bores；The filter house central part be connected with shunting tapering, shunting tapering outer surface be sequentially connected include point
Flow cone face, the compression conical surface and horizontal approaching face.Shunt the cavity formation flow manifold between the conical surface and filter house；The melt pressure
Drop-head also includes taper hole, the cavity formation compression runner between the taper hole and the compression conical surface；
The flow manifold connection compression runner, compression runner connection forming cavity.
Further, the filter house is bullet, and the cone angle of the bullet is 130 ° -150 °.
Further, the filter opening portion of the filter bypass body is the convex circular arc body in opposite direction with melt flows, described convex
The cross section of circular arc body is dome arc, profound a height of 10-20mm of the dome arc, the friendship of profound a height of dome arc and location division
Distance of the midpoint for the string that point is constituted to the midpoint of dome arc.
Further, the shunting conical surface is configured to bullet, and the taper of the bullet is (5-10)：The r
For the internal bore radius of location division.
Further, melt compression head includes die head mating holes and die head adjustment hole, and the molding die coordinates described
In die head mating holes, adjusting nut end is pressed against on molding die, and adjusting nut is adjustably connected on die head adjustment hole.
Further, the compression conical surface in the shunting tapering includes the conical surface of two or three different tapers, the cone successively
Taper of the face along melt flows direction reduces one by one.
Further, the taper for the conical surface being connected with horizontal approaching face is 20 °~25 °.
Further, the filter bypass body also includes cored wire guide hole, the axis of cored wire guide hole and the outside cylinder of positioning sleeve
The axiality in face is 0.001~0.01mm.
Further, the melt compression head also includes importing set mating holes and shunting body mating holes, imports set mating holes
The first perpendicularity positioning table is provided between shunting body mating holes, is determined between shunting body mating holes and taper hole provided with the second perpendicularity
Position platform；The axis verticality of second perpendicularity positioning table and the taper hole is in 0.001~0.01mm.The first perpendicularity positioning
Platform is 0.001~0.01mm on the basis of the second perpendicularity positioning table, and with the depth of parallelism of the second perpendicularity positioning table.
Further, the melt, which imports set, includes core taper hole and front end auxiliary section, front end auxiliary section and the core
The axis coaxle degree of taper hole is 0.001~0.01mm.
The plain conductor high polymer coats processing unit (plant), is solved by following technical spirit " how simple in constructionly
Design the processing unit (plant) of suitable high polymer cladding, no sharkskin and screw thread phenomenon " technical problem：
1) pooled portion sets filter bypass body
Pooled portion before straight channel and cored wire are collected sets filter bypass body, by melt filtration Hou You centers to top layer layer
Stream then layer fluid is compressed in the forming cavity crossed with cored wire, on the one hand cause melt enter forming cavity when and cored wire shifting
Dynamic direction is consistent, on the other hand, and melt is by shunting and compresses, and eliminates bubble therein, clad dense uniform.
2) filter house Integral design shunting tapering
Shunting tapering 5.3 is to carry out extruded cross section to the melt after filtering, so as to discharge the gas in melt, compression is molten
The effect of volume density, the tubing so extruded just understands dense materials, then compresses tapering and layer fluid is compressed step by step and reduces this
The taper of layer fluid, untill meeting cladding proper angle with axis angle, filter house and the Integral design in shunting tapering, collection
Filtering, shunting compression, extruding change taper and one, reach the Pretreatment to melt before melt reaches forming cavity.
3) bullet of filter house and shunting taper fit
The bullet of filter house and shunting taper fit, form two annular compression runners before and after filter house, are melt
Compression exhaust, while cylindrical melt flow channel to be split into the effect of layer fluid.
The utility model compared with prior art, one before the design of filter bypass body, filter house is set by pooled portion
Design shunting tapering, the bullet of filter house is with shunting taper fit, and the runner and cored wire for successfully solving die head of right angle are direct
The problem of cladding, clad even compact, pore-free；Runner is compressed due to playing the role of when it is extruded nib, particularly
Two arrive the compression of three stage compression runner, elastic release quantity is small, it is to avoid the sharkskin and screw thread phenomenon on extrudate surface.
Brief description of the drawings
Fig. 1 is a kind of main sectional view of the embodiment one of plain conductor high polymer cladding processing unit (plant) of the utility model.
Fig. 2 is a kind of filter bypass body of the embodiment one of plain conductor high polymer cladding processing unit (plant) of the utility model
Main sectional view.
Fig. 3 is a kind of master of the main sectional view of the embodiment two of plain conductor high polymer cladding processing unit (plant) of the utility model
Sectional view.
Fig. 4 be a kind of embodiment two of plain conductor high polymer of the utility model cladding processing unit (plant) the first ligand and
The main sectional view of filter bypass body.
Fig. 5 is a kind of filter bypass body of the embodiment two of plain conductor high polymer cladding processing unit (plant) of the utility model
Main sectional view.
Reference in above-mentioned figure：
1 melt imports set, and 2 centering hoops, 3 melts import core, 4 melt compression heads, 5 filter bypass bodies, 6 molding dies, 7
Adjusting nut, 8 resin-coated runners, the 9 shunting conical surfaces, the 10 compression conical surfaces, 11 horizontal approaching faces, 12 first ligands, 13 second
Ligand
1.1 straight channel holes, 1.2 core taper holes, 1.3 front end auxiliary sections
4.1 die head mating holes, 4.2 die head adjustment holes, 4.3 taper holes, 4.4 import set mating holes, 4.5 shunting body mating holes
4.6 first perpendicularity positioning tables, 4.7 second perpendicularity positioning tables
5.1 location divisions, 5.2 filter houses, 5.3 shunting taperings, 5.4 filter bores, 5.5 cored wire guide holes
8.1 straight channels, 8.2 ring coning tower tray roads, 8.3 pooled portion, 8.4 flow manifolds, 8.5 compression runners, 8.6 forming cavities, 8.7
Guiding in channel
8.51 first compression runners, 8.52 second compression runners, 8.53 the 3rd compression runners
Embodiment
Embodiment of the present utility model is elaborated below in conjunction with accompanying drawing, but is not limited to model of the present utility model
Enclose.
Embodiment one
As illustrated, a kind of plain conductor high polymer cladding processing unit (plant), including melt import set 1, melt and import core
3rd, melt compression first 4, filter bypass body 5, molding die 6, centering hoop 2, melt imports set 1 and first 4 relative engagement of melt compression
And it is located in jointly in centering hoop 2, melt, which imports core 3 and is arranged on melt and imports, to be covered in 1, and melt, which imports set 1, includes direct current
Road hole 1.1, core taper hole 1.2 and front end auxiliary section 1.3, front end auxiliary section and the axis coaxle degree of the core taper hole are
0.001~0.01mm.Filter bypass body 5 is provided between melt compression first 4 and melt import set 1, melt compression first 4 includes mould
Molding die 6 is provided with head mating holes 4.1 and die head adjustment hole 4.2, die head mating holes 4.1, the end of adjusting nut 7 is pressed against into
On pattern first 6, adjusting nut 7 is adjustably connected on die head adjustment hole 4.2.Melt imports set 1, melt and imports core 3
Cavity between ligand and melt compression first 4, the ligand of molding die 6 forms resin-coated runner 8, the cladding tree
Fat runner 8 includes straight channel 8.1, ring coning tower tray road 8.2, pooled portion 8.3 successively along melt flows direction, and filter bypass body 5 is located at
On the cross section of pooled portion 8.3.
Filter bypass body 5 includes integrally formed location division 5.1, filter house 5.2 and shunting tapering 5.3, the filter house
5.2 include central part and filter opening portion, and the filter opening portion includes multiple filter bores 5.4；The central part integrally connected of filter house 5.2
There is shunting tapering 5.3, include the shunting conical surface 9, the compression conical surface 10 and the level that the outer surface in shunting tapering 5.3 is sequentially connected are imported
Face 11.Shunt the cavity formation flow manifold 8.4 between the conical surface 9 and filter house 5.2；The melt compression first 4 also includes taper hole
4.3, the cavity formation compression runner 8.5 between the taper hole 4.3 and the compression conical surface 10.Sky between molding die 6 and cored wire P
Chamber is configured to forming cavity 8.6.Filter house 5.2 is bullet, and the cone angle of the bullet is 130 °~150 °.
The filter bypass body 5 also includes cored wire guide hole 5.5, the axis of cored wire guide hole and the external cylindrical surface of positioning sleeve it is same
Axle degree is 0.001~0.01mm.Multiple filter bores 5.4 in the filter opening portion are along using the axis of cored wire guide hole 5.5 as the same of the center of circle
Heart circle distribution；Importing core 3 includes cored wire entrance hole 3.1, and the melt compression first 4 also includes importing set mating holes 4.4 and divided
Fluid mating holes 4.5, imports and the first perpendicularity positioning table 4.6 is provided between set mating holes 4.4 and shunting body mating holes 4.5, point
The second perpendicularity positioning table 4.7 is provided between fluid mating holes 4.5 and taper hole 4.3；Second perpendicularity positioning table 4.7 and the cone
The axis verticality in hole 4.3 is in 0.001~0.01mm.The first perpendicularity positioning table 4.6 is with the second perpendicularity positioning table 4.7
On the basis of, the depth of parallelism with the second perpendicularity positioning table 4.7 is 0.001~0.01mm.The location division of the filter bypass body 5
5.1 coordinate in the press-assembling surface of melt importing set 1 and are positioned between the second perpendicularity positioning table 4.7；Pass through positioning table and taper hole
The perpendicularity of axis and the depth of parallelism of two positioning tables can guarantee that the cored wire guide hole 5.4 of filter bypass body and the cored wire of importing core are led
Enter hole 3.1 coaxial, such cored wire P is not scraped off when through cored wire guide hole 5.4 and cored wire entrance hole 3.1.
Cavity between the taper hole and the compression conical surface 10 of molding die 6 is formed as guiding in channel 8.7, enters into adjust
The compression degree of the resin of forming cavity 8.8 between pattern first 6 and cored wire P, die head adjustment hole 4.2 is screwed in by adjusting nut 7
Position-adjustable guiding in channel 8.7 resin flow.The shunting conical surface 9 is configured to bullet, and the taper of the bullet is (5-
10)：The r is the radius of pooled portion 8.3.
Embodiment two
In order that the fluid inlet angle of compression runner cladding core wire is more suitable, the compression conical surface 10 in the shunting tapering 5.3 is successively
The first shunting shunting shunting conical surface 10.3 of the conical surface 10.2 and the 3rd of the conical surface 10.1, second including head and the tail connection, the taper hole 4.3
Also it is corresponding to include the first taper hole 4.31 and the second taper hole 4.32 of head and the tail connection successively, the first shunting conical surface 10.1 and first
First is formed between taper hole 4.31 and compresses the pressure of formation second between runner 8.51, the second shunting taper hole 4.32 of the conical surface 10.2 and second
The 3rd, which is formed, between contracting runner 8.52, the 3rd shunting taper hole 4.33 of the conical surface 10.3 and the 3rd compresses runner 8.53, described the
The angle of the three compression connection molding runners of runner 8.53, the 3rd compression runner and axis is less than the folder of the second compression runner and axis
Angle, the angle of the second compression runner and axis is less than the angle of the first compression runner and axis.The 3rd compression runner
Angle with axis is at 20 °~25 °.
Or the compression conical surface 10 in the shunting tapering 5.3 includes the first shunting conical surface 10.1 and the of head and the tail connection successively
The three shunting conical surfaces 10.3；Correspondingly, the taper hole 4.3 also only includes the first taper hole 4.31.The first shunting He of the conical surface 10.1
First is formed between first taper hole 4.31 and compresses runner 8.51, the taper hole of the 3rd the shunting conical surface 10.3 and the molding die 6 it
Between form the 3rd and compress runner 8.53, the 3rd compression runner 8.53 connection molding runners, the 3rd compression runner and axis
Angle is less than the angle of the first compression runner and axis.The angle of the 3rd compression runner and axis is at 20 °~25 °.
In addition, the filter opening portion 5.2 of the filter bypass body 5 is the convex circular arc body in opposite direction with melt flows.Dome arc
Flowing of the body to melt has the more outstanding shunting action from center to surrounding.The cross section of the convex circular arc body is dome
Arc, the profound high H of the dome arc is 10-20mm, the midpoint of profound a height of dome arc and the string of the intersection point composition of location division 5.1
To the distance at the midpoint of dome arc.
Other structures are same as Example 1.
The plain conductor high polymer coats processing unit (plant), by the design of filter bypass body, and is cooperateed with outer die casing
Coordinate, the problem of runner and cored wire for successfully solving die head of right angle are directly coated, clad even compact, pore-free；When it
The compression that runner, particularly two arrive three stage compression runner is compressed due to playing the role of when being extruded nib, elastic release quantity is small, keeps away
The sharkskin and screw thread phenomenon on extrudate surface are exempted from.
Claims (10)
1. a kind of plain conductor high polymer coats processing unit (plant), including melt imports set (1), melt and imports core (3), melt pressure
Drop-head (4), melt imports set and melt compression head relative engagement, and melt importing core is arranged in melt importing set and forms first
Ligand (12), molding die (6) coordinates forms the second ligand (13) in melt compression head (4),
Characterized in that,
Be provided with filter bypass body (5) between melt compression head (4) and melt import set (1), first ligand (12) with
Cavity between second ligand (13) forms resin-coated runner (8), and the resin-coated runner is along melt flows direction
Include straight channel (8.1), ring coning tower tray road (8.2), pooled portion (8.3) and forming cavity (8.6) successively, filter bypass body (5) is located at
On the cross section of pooled portion (8.3)；
The filter bypass body (5) includes integrally formed location division (5.1), filter house (5.2) and shunting tapering (5.3)；Institute
Stating filter house includes multiple filter bores (5.4)；Filter house (5.2) central part is connected with shunting tapering (5.3), shunting
What the outer surface in tapering (5.3) was sequentially connected includes the shunting conical surface (9), the compression conical surface (10) and horizontal approaching face (11)；Shunting
Cavity formation flow manifold (8.4) between the conical surface (9) and filter house (5.2)；The melt compression head (4) also includes taper hole
(4.3), the cavity formation compression runner (8.5) between the taper hole (4.3) and the compression conical surface (10)；
Flow manifold (8.4) the connection compression runner (8.5), compression runner (8.5) connection forming cavity (8.6).
2. plain conductor high polymer as claimed in claim 1 coats processing unit (plant), it is characterised in that the filter house is taper
Body, the cone angle (α) of the bullet is 130 ° -150 °.
3. plain conductor high polymer as claimed in claim 1 coats processing unit (plant), it is characterised in that the filter bypass body (5)
Filter opening portion (5.2) be the convex circular arc body in opposite direction with melt flows, the cross section of the convex circular arc body is dome arc, described
Profound high (H) of dome arc is 10-20mm, and the midpoint of profound a height of dome arc and the string of the intersection point composition of location division (5.1) is arrived
The distance at the midpoint of dome arc.
4. plain conductor high polymer coats processing unit (plant) as described in Claims 2 or 3, it is characterised in that the shunting conical surface (9) is constituted
For bullet, the taper of the bullet is (5-10)：The r is the internal bore radius of location division (5.1).
5. plain conductor high polymer as claimed in claim 4 coats processing unit (plant), it is characterised in that melt compression head (4) includes
Die head mating holes (4.1) and die head adjustment hole (4.2), the molding die (6) coordinate in the die head mating holes, adjust spiral shell
Female (7) end is pressed against on molding die, and adjusting nut is adjustably connected on die head adjustment hole (4.2).
6. plain conductor high polymer as claimed in claim 5 coats processing unit (plant), it is characterised in that the shunting tapering (5.3)
The compression conical surface (10) include the conical surface of two or three different tapers successively, taper of the conical surface along melt flows direction is one by one
Reduce.
7. plain conductor high polymer as claimed in claim 6 coats processing unit (plant), it is characterised in that with horizontal approaching face (11) even
The taper of the conical surface connect is 20 °~25 °.
8. plain conductor high polymer coats processing unit (plant) as described in claim 1-7 is any, it is characterised in that the filter bypass
Body (5) also includes cored wire guide hole (5.5), the axiality of the axis of cored wire guide hole and the external cylindrical surface of positioning sleeve for 0.001~
0.01mm。
9. plain conductor high polymer coats processing unit (plant) as described in claim 1-7 is any, it is characterised in that the melt compression
Head (4) also includes importing set mating holes (4.4) and shunting body mating holes (4.5), imports set mating holes (4.4) and shunting body coordinates
The first perpendicularity positioning table (4.6) is provided between hole (4.5), second is provided between shunting body mating holes (4.5) and taper hole (4.3)
Perpendicularity positioning table (4.7)；The axis verticality of second perpendicularity positioning table and the taper hole is in 0.001~0.01mm；It is described
First perpendicularity positioning table is 0.001 on the basis of the second perpendicularity positioning table, and with the depth of parallelism of the second perpendicularity positioning table
~0.01mm.
10. plain conductor high polymer coats processing unit (plant) as described in claim 1-7 is any, it is characterised in that the melt is led
Entering set (1) includes core taper hole (1.2) and front end auxiliary section (1.3), front end auxiliary section and the axis coaxle of the core taper hole
Spend for 0.001~0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245845.8U CN206564153U (en) | 2016-11-14 | 2016-11-14 | A kind of plain conductor high polymer coats processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621245845.8U CN206564153U (en) | 2016-11-14 | 2016-11-14 | A kind of plain conductor high polymer coats processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206564153U true CN206564153U (en) | 2017-10-17 |
Family
ID=60029578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621245845.8U Withdrawn - After Issue CN206564153U (en) | 2016-11-14 | 2016-11-14 | A kind of plain conductor high polymer coats processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206564153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486216A (en) * | 2016-11-14 | 2017-03-08 | 盐城工学院 | A kind of plain conductor high polymer coats processing unit (plant) |
-
2016
- 2016-11-14 CN CN201621245845.8U patent/CN206564153U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486216A (en) * | 2016-11-14 | 2017-03-08 | 盐城工学院 | A kind of plain conductor high polymer coats processing unit (plant) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206564153U (en) | A kind of plain conductor high polymer coats processing unit (plant) | |
| CN105291401A (en) | Pipe extruder die | |
| CN108839323B (en) | Plastic pipeline extrusion molding device | |
| CN201215746Y (en) | Pressing type mold for electric cable protection sleeve | |
| CN106486216B (en) | A kind of plain conductor high polymer coats processing unit (plant) | |
| CN105729754B (en) | A kind of discontinuity vitta extrusion device and expressing technique | |
| CN201242603Y (en) | Multi-tube bundling coating production line | |
| CN110355974A (en) | A kind of molding equipment and moulding process of the cable jacket being embedded in rigidity reinforced element | |
| CN203472122U (en) | Dry-type optical fiber loose tube extrusion device | |
| CN205969857U (en) | Sheath extrusion tooling of production GYXTW optical cable | |
| CN112549482B (en) | Production method of ratproof silicon core pipe | |
| CN104817263B (en) | Double-sleeve extrusion die for extruding chalcogenide glass optical fiber preform rod and use method | |
| CN109957899B (en) | Novel lining reinforced hollow fiber membrane spinneret | |
| CN102102230B (en) | Composite extrusion die head | |
| CN108333702A (en) | A kind of optical fiber secondary coating is from centering type coating unit | |
| CN209183327U (en) | Cable water cooling plant | |
| CN205343739U (en) | Clad steel fiber tube mould | |
| CN208774020U (en) | Heavy wall pipe and bar integrated production equipment | |
| CN203217136U (en) | Micro beam tube internal elliptical shaped branched optical cable with parallel reinforced elements | |
| CN206536810U (en) | PVC electrician's pipe processing mold with visual window | |
| CN206157284U (en) | Take spinning jet of core liquid honeycomb duct | |
| CN213797971U (en) | Production device of ratproof silicon core pipe | |
| CN106608034A (en) | Continuous fiber bundle multi-layer co-extrusion head die | |
| CN205364462U (en) | A mould for making heavy -calibre PVC hollow pipe material | |
| CN213797970U (en) | Co-extrusion die for ratproof silicon core pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171017 Effective date of abandoning: 20171229 |