CN112366621A - Line concentration pipe and production system of television cabinet - Google Patents
Line concentration pipe and production system of television cabinet Download PDFInfo
- Publication number
- CN112366621A CN112366621A CN202011196967.3A CN202011196967A CN112366621A CN 112366621 A CN112366621 A CN 112366621A CN 202011196967 A CN202011196967 A CN 202011196967A CN 112366621 A CN112366621 A CN 112366621A
- Authority
- CN
- China
- Prior art keywords
- positioning block
- pipe
- pipe body
- wear
- extruding
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
The invention discloses a line concentration pipe of a television cabinet, which comprises a pipe body and a connector, wherein the pipe body consists of a flame-retardant layer and a wear-resistant layer, the wear-resistant layer is an inner layer, a copper wire is arranged between the flame-retardant layer and the wear-resistant layer, a first threaded part and a second threaded part are arranged at two ends of the pipe body, a first positioning block is arranged on the first threaded part, a second positioning block is arranged on the second threaded part, the directions of the first positioning block and the second positioning block are opposite, an installation notch penetrating through the inner wall is arranged on the pipe body, a limiting block is arranged on the outer wall of the pipe body, and a soft belt and a limiting. Also discloses a production system of the line concentration pipe of the television cabinet. This wire concentration pipe of TV cabinet design benefit, can be fast convenient place the electric wire, and fixed electric wire is convenient, has still prevented the winding problem of electric wire. Meanwhile, the extruding mechanism of the extruder in the production system is simple in structure, materials extruded by the extruder can be conveniently and quickly adjusted, the power of the driving assembly can not be influenced, and the quality of the pipe body is guaranteed.
Description
Technical Field
The invention relates to the technical field of television cabinets, in particular to a line concentration pipe and a production system of a television cabinet.
Background
The television cabinet needs to be provided with a wire, wherein the wire is an electric energy or signal transmission device and is usually composed of several wires or groups. However, the existing electric wires are more and are wound and difficult to separate when being placed together. And the electric wire is still damaged by rubbing or external force to the electric wire that the outside put still can lead to the electric wire to damage.
Chinese utility model patent 201921548988.X discloses a cable protection tube for multi-cable, which uses a first shell and a second shell connected, but has a plurality of gaps inside, wasting a larger utilization space;
the Chinese utility model patent 201120480181.4 discloses an 8-shaped central beam tube optical cable;
the chinese utility model patent 201720334407.7 discloses a hasp optical cable;
the chinese utility model patent 201420261758.6 discloses a mechanical tube for laying optical fibers in a communication room;
chinese utility model patent 201520534324.3 discloses a cable protection tube.
When the amount of extruded materials is required to be adjusted, the existing extruder is not easy to adjust, the driving force of the driving assembly is required to be ensured to be inconvenient, the amount of extruded materials is required to be ensured, and the extruded materials are required to be extruded by a preset pressure value, so that the quality of the extruded line concentration pipe is better. There is a need for a mechanism that facilitates adjustment of the extrudate of the extruder.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a line concentration pipe of a television cabinet and a production system.
The technical scheme of the invention is realized as follows:
the wire collecting pipe of the television cabinet is characterized by comprising a pipe body and a connecting body connected with the pipe body, wherein the pipe body consists of a flame-retardant layer and a wear-resistant layer, the wear-resistant layer is an inner layer, a copper wire is arranged between the flame-retardant layer and the wear-resistant layer, a first threaded part and a second threaded part are arranged at two ends of the pipe body, a first positioning block is arranged on the first threaded part, a second positioning block is arranged on the second threaded part, the directions of the first positioning block and the second positioning block are opposite, an installation notch penetrating through the inner wall is formed in the pipe body, a limiting block is arranged on the outer wall of the pipe body, and a soft belt and a limiting part are arranged on the limiting block;
the connector comprises a connecting body and is characterized in that a positioning part is arranged in the connecting body, a third positioning block and a fourth positioning block are arranged on two sides of the positioning part, the directions of the third positioning block and the fourth positioning block are opposite, the directions of the first positioning block and the third positioning block are the same, the directions of the second positioning block and the fourth positioning block are the same, a third thread part and a fourth thread part are arranged on the inner wall of the connecting body, the directions of the third thread part and the second thread part are opposite, and the direction of the fourth thread part is opposite to the direction of the first thread part.
In the present invention, the flame retardant layer is made of a polyurethane material, and the wear-resistant layer is made of a polyvinyl chloride resin material.
In the present invention, the first and second threaded portions are in opposite directions.
In the present invention, the flexible band has a plurality of cross bars thereon.
In the invention, three reinforcing parts shaped like Chinese character 'ren' are uniformly arranged on the inner wall of the wear-resistant layer, wherein the two reinforcing parts shaped like Chinese character 'ren' are positioned at the upper part and the lower part of the mounting notch.
In the present invention, the tubular body is coated with a light reflecting material.
A production system of a line concentration pipe of a television cabinet is characterized by comprising an extruder, wherein the extruder is internally provided with a base, a driving assembly, a lower storage bin and an extruding mechanism, the driving assembly is installed on the base, the lower storage bin and the extruding mechanism are installed on the driving assembly, the extruding mechanism is internally provided with an extruding pipe, an inner rod, a driving piece and a blocking piece, the extruding pipe is internally provided with a rotating rod, the rotating rod is provided with a spiral blade, the extruding pipe is internally provided with a supporting part, one end of the rotating rod is arranged on the supporting part, the other end of the rotating rod is arranged in the driving assembly, the rear end of the supporting part is provided with a feeding part which is provided with a plurality of through holes, the inner rod is arranged in the feeding part and is installed at the rear end of the supporting part, the extruding pipe is provided with an outer cover, the driving piece is installed in the outer cover and sleeved on, the middle of the gear is provided with a rotating shaft, the rotating shaft is provided with a hand wheel, and the blocking piece is arranged between the feeding part and the extrusion pipe.
In the invention, the driving piece is provided with a gear part and a rotating part, the gear part is in meshing connection with the gear, and the inner wall of the rotating part is provided with a spiral groove.
In the invention, the blocking piece is provided with a blocking part and a moving part, the blocking part is arranged between the extrusion pipe and the feeding part, the extrusion pipe is also provided with a sliding groove, the moving part is arranged in the sliding groove, the moving part is provided with a plurality of limiting columns, and the limiting columns are arranged in the spiral groove in a matched mode.
The line concentration pipe and the production system of the television cabinet have the following beneficial effects: this wire concentration pipe of TV cabinet design benefit, can be fast convenient place the electric wire, and fixed electric wire is convenient, has still prevented the winding problem of electric wire.
Meanwhile, the extruding mechanism of the extruder in the production system is simple in structure, materials extruded by the extruder can be conveniently and quickly adjusted, the power of the driving assembly can not be influenced, and the quality of the pipe body is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a cable concentrator structure of a TV cabinet according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at B;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is a cross-sectional view of FIG. 1;
FIG. 7 is an enlarged view of a portion of FIG. 6 at D;
FIG. 8 is another schematic view of the structure of FIG. 1;
FIG. 9 is a schematic diagram of a production system of a line concentrator of a TV cabinet according to the present invention;
FIG. 10 is a schematic view of a portion of the structure of FIG. 9;
FIG. 11 is a top view of FIG. 10;
FIG. 12 is a cross-sectional view taken at E-E of FIG. 11;
fig. 13 is a partial enlarged view of fig. 12 at F;
FIG. 14 is a cross-sectional view of FIG. 10;
fig. 15 is an exploded view of the internal structural part of fig. 10.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 10, the line concentrator of the television cabinet of the present invention includes a pipe body 10 for mounting an electric wire and a connector 11 connected to the pipe body 10, wherein the pipe body 10 is composed of a flame retardant layer 101 and a wear resistant layer 102, the wear resistant layer 102 is an inner layer, the flame retardant layer 101 is made of a polyurethane material, and the wear resistant layer 102 is made of a polyvinyl chloride resin material. And the copper wires 13 are arranged between the flame-retardant layer 101 and the wear-resistant layer 102, and the copper wires 13 can enhance the strength of the whole current collecting pipe. The body 10 is coated with a reflective material 14 that reflects light at night when the body 10 is installed in an external environment, thereby providing a warning.
The pipe body 10 has a first screw part 15 and a second screw part 16 at both ends thereof, and the first screw part 15 and the second screw part 16 are opposite in direction.
The first threaded portion 15 is provided with a first positioning block 17, the second threaded portion 16 is provided with a second positioning block 18, and the directions of the first positioning block 17 and the second positioning block 18 are opposite. The tube body 10 is provided with a mounting notch 19 penetrating through the inner wall, and the mounting notch 19 is used for placing a single electric wire inside the tube body 10, so that the electric wire is convenient to mount.
The outer wall of the pipe body 10 is provided with a limiting block 20, the limiting block 20 is provided with a soft belt 21 and a limiting part 22, and the soft belt 21 is provided with a plurality of cross bars 23. The soft belt has elasticity and can be stretched, and the cross rod can be sleeved on the limiting part to reach a proper position. The flexible band 21 is used for fixing the electric wire after the electric wire is placed in the tube body 10 through the flexible band 21, and the electric wire in the mounting notch 19 is blocked to prevent the electric wire from being pulled out.
Meanwhile, after the soft belt 21 is wound, the gaps M between the soft belt 21 and the pipe body 10 and between the soft belt 21 and the limiting block 20 can also be used for placing thinner electric wires, so that more electric wires can be connected in one piece.
The connector 11 has a positioning portion 24 inside, a third positioning block 25 and a fourth positioning block 26 are provided on both sides of the positioning portion 24, the directions of the third positioning block 25 and the fourth positioning block 26 are opposite, the directions of the first positioning block 17 and the third positioning block 25 are the same, and the directions of the second positioning block 18 and the fourth positioning block 26 are the same. The inner wall of the connecting body 11 has a third thread part 27 and a fourth thread part 28, the third thread part 27 and the second thread part 16 are opposite in direction, and the fourth thread part 28 and the first thread part 15 are opposite in direction.
When two pipe bodies 10 need to be connected, only the first thread 15 and the second thread 16 of the pipe body 10 need to be installed in the connecting body 11, and then by rotating the connecting body 11, since the directions of the first thread 15 and the second thread 16 are opposite, only one direction needs to be rotated, so that the two pipe bodies 10 can be connected to one, and since the connecting body 11, the first thread 15 and the second thread 16 are provided with positioning blocks, after the first thread 15 and the second thread 16 are rotated to a certain distance, the first positioning block 17 on the first thread 15 can be clamped into the fourth positioning block 26, and the second positioning block 18 on the second thread 16 on the second pipe body 10 can be clamped into the third positioning block 25, so that the two pipe bodies 10 are connected, and the two connected pipe bodies 10 cannot be separated due to external influence.
The inner wall of the wear-resistant layer 102 is uniformly provided with three reinforcing parts 29 shaped like Chinese character 'ren', wherein the two reinforcing parts 29 shaped like Chinese character 'ren' are positioned at the upper and lower parts of the mounting notch 19. The reinforcement 29 is for reinforcing the inside of the pipe body 10 so that the mounting notches 19 do not collapse.
As shown in fig. 9 to 15, a production system for installing a multi-cable junction box includes an extruder 30, the extruder 30 can be used for manufacturing the above-mentioned junction box body, and the extruder 30 has a base 31, a driving assembly 32, a lower bin 33 and an extruding mechanism 34. The driving assembly 34 is installed on the base 31, the lower bin 33 and the extruding mechanism 34 are installed on the driving assembly 32, and the extruding mechanism 34 is provided with an extruding pipe 35, an inner rod 36, a driving piece 37 and a blocking piece 38. The extrusion tube 35 has a rotating rod 39 therein, and the rotating rod 39 has a spiral blade 40 thereon. The extrusion tube 35 has a support 41 therein, and one end of the rotating rod 39 is placed on the support 41 and the other end is placed in the driving assembly 32. The rear end of the support 41 has a feeding portion 42, and the feeding portion 42 has a plurality of through holes 43. The inner rod 36 is arranged in the feeding part 42 and is arranged at the rear end of the support part 41, the extrusion pipe 35 is provided with a housing 44, and the driving part 37 is arranged in the housing 44 and is sleeved on the extrusion pipe 35. The housing 44 also has a gear 45 inside, the gear 45 has a rotation shaft 46 in the middle, the rotation shaft 46 has a hand wheel 47 thereon, and the stopper 38 is disposed between the feeding portion 42 and the extrusion tube 35.
The driving member 37 has a gear portion 48 and a rotating portion 49, the gear portion 48 is connected with the gear 45 in a meshing manner, and the inner wall of the rotating portion 49 has a spiral groove 50. When the hand wheel 47 is rotated, the gear 45 can drive the gear part 48 to rotate,
the stopper 38 is provided with a material blocking part 51 and a moving part 52, the material blocking part 51 is arranged between the extrusion pipe 35 and the feeding part 42, the extrusion pipe 35 is further provided with a sliding groove 53, the moving part 52 is arranged in the sliding groove 53, the moving part 52 is provided with a plurality of limiting columns 54, and the limiting columns 54 are arranged in the spiral groove 50 in a matching manner.
After gear 45 drives gear portion 48 and rotates, driving piece 37 alright with rotatory to drive spacing post 54 through helical groove 50 and remove, promote to keep off the material portion 51 on the piece 38 and toward supporting part 41 direction, keep off the through-hole 43 that material portion 51 can remove the back and block on the feeding portion 42, remaining through-hole 43 alright with in introducing the material into the space between interior pole 36 and the feeding portion 42, alright with the volume of adjusting the feeding, realize the feeding of material. The pressure and the predetermined value of the extrusion are ensured. So that the extruded tube 10 has a better quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The wire collecting pipe of the television cabinet is characterized by comprising a pipe body and a connecting body connected with the pipe body, wherein the pipe body consists of a flame-retardant layer and a wear-resistant layer, the wear-resistant layer is an inner layer, a copper wire is arranged between the flame-retardant layer and the wear-resistant layer, a first threaded part and a second threaded part are arranged at two ends of the pipe body, a first positioning block is arranged on the first threaded part, a second positioning block is arranged on the second threaded part, the directions of the first positioning block and the second positioning block are opposite, an installation notch penetrating through the inner wall is formed in the pipe body, a limiting block is arranged on the outer wall of the pipe body, and a soft belt and a limiting part are arranged on the limiting block;
the connector comprises a connecting body and is characterized in that a positioning part is arranged in the connecting body, a third positioning block and a fourth positioning block are arranged on two sides of the positioning part, the directions of the third positioning block and the fourth positioning block are opposite, the directions of the first positioning block and the third positioning block are the same, the directions of the second positioning block and the fourth positioning block are the same, a third thread part and a fourth thread part are arranged on the inner wall of the connecting body, the directions of the third thread part and the second thread part are opposite, and the direction of the fourth thread part is opposite to the direction of the first thread part.
2. The line concentrator of claim 1, wherein the flame retardant layer is made of a polyurethane material and the wear layer is made of a polyvinyl chloride resin material.
3. The conduit according to claim 1, wherein the first threaded portion and the second threaded portion are oppositely threaded.
4. The conduit according to claim 1 wherein the flexible strip has a plurality of cross bars thereon.
5. The wire collecting tube of a TV cabinet according to claim 1, wherein the inner wall of the wear-resistant layer is uniformly provided with three reinforcing parts in a shape like Chinese character 'ren', wherein the two reinforcing parts in a shape like Chinese character 'ren' are positioned at the upper and lower parts of the mounting slot.
6. The conduit according to claim 1, wherein the tubular body is coated with a reflective material.
7. A production system of a line concentration pipe of a television cabinet is characterized by comprising an extruder, wherein the extruder is internally provided with a base, a driving assembly, a lower storage bin and an extruding mechanism, the driving assembly is installed on the base, the lower storage bin and the extruding mechanism are installed on the driving assembly, the extruding mechanism is internally provided with an extruding pipe, an inner rod, a driving piece and a blocking piece, the extruding pipe is internally provided with a rotating rod, the rotating rod is provided with a spiral blade, the extruding pipe is internally provided with a supporting part, one end of the rotating rod is arranged on the supporting part, the other end of the rotating rod is arranged in the driving assembly, the rear end of the supporting part is provided with a feeding part which is provided with a plurality of through holes, the inner rod is arranged in the feeding part and is installed at the rear end of the supporting part, the extruding pipe is provided with an outer cover, the driving piece is installed in the outer cover and sleeved on, the middle of the gear is provided with a rotating shaft, the rotating shaft is provided with a hand wheel, and the blocking piece is arranged between the feeding part and the extrusion pipe.
8. The production system of the line concentrator of the TV cabinet as claimed in claim 7, wherein the driving member has a gear portion and a rotating portion, the gear portion is engaged with the gear, and the inner wall of the rotating portion has a spiral groove.
9. The production system of the line concentrator of the television cabinet as claimed in claim 8, wherein the stopper has a stopping portion and a moving portion, the stopping portion is located between the extruding pipe and the feeding portion, the extruding pipe further has a sliding groove, the moving portion is disposed in the sliding groove, the moving portion has a plurality of limiting posts, and the limiting posts are disposed in the spiral groove in a matching manner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190243.2A CN114024270A (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe production system of television cabinet |
| CN202011196967.3A CN112366621B (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe of TV cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011196967.3A CN112366621B (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe of TV cabinet |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111190243.2A Division CN114024270A (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe production system of television cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112366621A true CN112366621A (en) | 2021-02-12 |
| CN112366621B CN112366621B (en) | 2021-11-12 |
Family
ID=74512426
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011196967.3A Active CN112366621B (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe of TV cabinet |
| CN202111190243.2A Withdrawn CN114024270A (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe production system of television cabinet |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111190243.2A Withdrawn CN114024270A (en) | 2020-10-31 | 2020-10-31 | Line concentration pipe production system of television cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN112366621B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1370861A (en) * | 1971-07-07 | 1974-10-16 | Siemens Ag | Apparatus for controlled delivery of plastics material by way of a controllable feed device of the apparatus to a forming device |
| CN204172304U (en) * | 2014-09-23 | 2015-02-25 | 诸暨绍弹化纤有限公司 | Vertical adjustable speed screw extruder |
| CN110667074A (en) * | 2019-10-31 | 2020-01-10 | 浙江冠峰新材料有限公司 | Feeding device of full-automatic extruder |
| CN209971465U (en) * | 2019-05-06 | 2020-01-21 | 安庆横电电缆有限公司 | Production control device for thickness of sheath for cable insulation |
| CN210246185U (en) * | 2019-08-09 | 2020-04-03 | 上海市闵行区吴泾医院 | Line concentration pipe |
-
2020
- 2020-10-31 CN CN202011196967.3A patent/CN112366621B/en active Active
- 2020-10-31 CN CN202111190243.2A patent/CN114024270A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1370861A (en) * | 1971-07-07 | 1974-10-16 | Siemens Ag | Apparatus for controlled delivery of plastics material by way of a controllable feed device of the apparatus to a forming device |
| CN204172304U (en) * | 2014-09-23 | 2015-02-25 | 诸暨绍弹化纤有限公司 | Vertical adjustable speed screw extruder |
| CN209971465U (en) * | 2019-05-06 | 2020-01-21 | 安庆横电电缆有限公司 | Production control device for thickness of sheath for cable insulation |
| CN210246185U (en) * | 2019-08-09 | 2020-04-03 | 上海市闵行区吴泾医院 | Line concentration pipe |
| CN110667074A (en) * | 2019-10-31 | 2020-01-10 | 浙江冠峰新材料有限公司 | Feeding device of full-automatic extruder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114024270A (en) | 2022-02-08 |
| CN112366621B (en) | 2021-11-12 |
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