CN109366969A - The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology - Google Patents
The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology Download PDFInfo
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- CN109366969A CN109366969A CN201811289572.0A CN201811289572A CN109366969A CN 109366969 A CN109366969 A CN 109366969A CN 201811289572 A CN201811289572 A CN 201811289572A CN 109366969 A CN109366969 A CN 109366969A
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- Prior art keywords
- heat
- copper bar
- shrink tube
- drying oven
- forced convection
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Classifications
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- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/42—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using tubular layers or sheathings
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/48—Preparation of the surfaces
- B29C63/481—Preparation of the surfaces mechanically
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/48—Preparation of the surfaces
- B29C63/486—Preparation of the surfaces of metal surfaces
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of processing technology of copper bar heat-shrink tube and using the copper bar heat-shrink tube of the processing technology, processed suitable for the heat-shrink tube to the copper bar of product in high-low voltage switch cabinet.The present invention selects the heat-shrink tube of suitable diameter according to the structure type of selected copper bar, width and effective length size；According to the effective length size of selected copper bar, heat-shrink tube is cut into several segments；Progress aperture processing at insulator and sensor will be corresponded on every section of heat-shrink tube using button hole device；It is inserted in corresponding heat-shrink tube after every section of copper bar surface treatment；Heat shrink is carried out to every section of heat-shrink tube being sleeved on every section of copper bar using electric drying oven with forced convection.
Description
Technical field
The present invention relates to heat-shrinkable T bush manufacture fields, and in particular to a kind of processing technology of copper bar heat-shrink tube and is added using this
The copper bar heat-shrink tube of work technique.
Background technique
Copper bar heat-shrinkable T bush is one kind of heat-shrink tube, the copper bar being mainly used in the places such as electrical cabinet, switchgear, substation
Insulating protection.Existing heat-shrink tube processing method has: hair dryer, liquefaction gas spray gun or industrial electroheat air pressure gun heating heat-shrink tube are shunk.
And when using hair dryer or liquefaction gas spray gun, it can only be evenly heated or be heated uniformly to from the middle to both ends from one end to the other side
Bus-bar shrinkable tube is shunk, if heating from both ends to centre, easily causes air bulge phenomenon.When using industrial electroheat air pressure gun, need
It is heated while mobile, too close to sleeve surface or can not concentrate at one heating, otherwise can generate uneven distribution or burn set
Pipe.
Therefore, uneven distribution, burn set are generated in heat-shrink tube process, easily causing air bulge phenomenon at present
The problem of pipe, still shortage effective solution scheme.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, present disclose provides the processing technologys and use of a kind of copper bar heat-shrink tube
The copper bar heat-shrink tube of the processing technology is processed suitable for the heat-shrink tube to the copper bar of product in high-low voltage switch cabinet.
Technical solution used by the disclosure is:
The disclosure provides a kind of processing technology of copper bar heat-shrink tube, the processing technology the following steps are included:
(1) according to the structure type of selected copper bar, width and effective length size, the heat-shrink tube of suitable diameter is selected；
(2) according to the effective length size of selected copper bar, heat-shrink tube is cut into several segments；
(3) progress aperture processing at insulator and sensor will be corresponded on every section of heat-shrink tube using button hole device；
(4) it is inserted in corresponding heat-shrink tube after every section of copper bar surface treatment；
(5) heat shrink is carried out to every section of heat-shrink tube being sleeved on every section of copper bar.
Further, in the step (1), according to the width and effective length of selected copper bar, selected copper bar is calculated
Sectional area, convert diameter of a circle for the sectional area of copper bar, according to diameter of a circle, select inside diameter closest to diameter of a circle
Heat-shrink tube.
Further, in the step (2), the length of every section of heat-shrink tube is 35-40mm shorter than copper bar.
Further, in the step (4), copper bar is inserted in corresponding heat after cleaning wiped clean by copper bar surface polishing
In the draw.
Further, in the step (5), using electric drying oven with forced convection to every section of heat being sleeved on every section of copper bar
The draw carries out heat shrink, and electric drying oven with forced convection heating temperature is arranged；It is dry that electric heating air blast is put into the copper bar of suit heat-shrink tube
Before dry case, first electric drying oven with forced convection is heated, after electric drying oven with forced convection temperature reaches 80 DEG C, by suit heat
The copper bar of the draw is put into electric drying oven with forced convection, and the copper bar for being set with heat-shrink tube heats 28-32 points in electric drying oven with forced convection
Electric drying oven with forced convection temperature is increased 5 DEG C by Zhong Hou, is set with the copper bar of heat-shrink tube at electric drying oven with forced convection inside holding 4-5 points
Zhong Hou takes out the copper bar of suit heat-shrink tube, then is set with heat-shrink tube processing work on copper bar and completes.
Further, in the step (5), when heating pyrocondensation for the heat-shrink tube being sleeved on 10kV copper bar, electric heating drum
Wind drying box heating temperature is set as 160 DEG C.
Further, in the step (5), when heating pyrocondensation for the heat-shrink tube being sleeved on 35kV copper bar, electric heating drum
Wind drying box heating temperature is set as 160 DEG C.
Further, in the step (5), the heat-shrink tube being sleeved on diameter 80mm low-voltage copper bar below is heated
When pyrocondensation, electric drying oven with forced convection heating temperature is set as 156 DEG C；For being sleeved on the low-voltage copper bar of diameter 80mm or more
When heat-shrink tube heats pyrocondensation, electric drying oven with forced convection heating temperature is set as 160 DEG C.
Further, in the step (5), every section of heat-shrink tube is carried out using pyrocondensation spray gun to be evenly heated pyrocondensation processing.
The disclosure also provides a kind of copper bar heat-shrink tube, and the copper bar heat-shrink tube is using copper bar heat-shrinkable T bush as described above
Processing technology obtains.
Compared with prior art, the beneficial effect of the disclosure is:
(1) processing technology is easy to operate, overcomes air bulge phenomenon, avoids generating uneven distribution, thermal shrinkable sleeve of burning
The deficiency of pipe, labor intensity is low, high production efficiency, does not waste heat-shrink tube raw material；
(2) heat-shrink tube being sleeved on any type copper bar is heated, shrinks sizing using electric drying oven with forced convection,
Different heating temperatures can be set according to different types of copper bar, and thin and thick is uniform after guaranteeing heat-shrink tube pyrocondensation, and will not burn heat
The draw, and after the heating, the isothermal holding of certain time is carried out to heat-shrink tube, is guaranteed that heat-shrink tube is sufficiently shunk, is also avoided pyrocondensation
Pipe fracture and surfaces stick.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the flow chart of the processing technology of heat-shrinkable T bush.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, at present in heat-shrink tube process, air bulge phenomenon is easily caused, is generated thin
Thickness ununiformity, the deficiency for casing of burning, in order to solve technical problem as above, present applicant proposes a kind of processing of copper bar heat-shrink tube
Technique and the copper bar heat-shrink tube for using the processing technology, suitable for the heat-shrink tube of the copper bar of product in high-low voltage switch cabinet
Processing.
Fig. 1 is the flow chart of the processing technology of the present embodiment heat-shrinkable T bush.As shown in Figure 1, one heat-shrinkable T bush of the present embodiment
Processing technology the following steps are included:
(1) according to the structure type of selected copper bar, width and effective length size, the heat-shrink tube of suitable type is selected.
Suitable heat-shrink tube is selected to be heat-shrinked according to copper bar specification.Specifically, according to the width of selected copper bar and
Effective length, calculates the sectional area of selected copper bar, and the sectional area of copper bar is converted into diameter of a circle, inside diameter is selected most to connect
The heat-shrink tube of nearly diameter of a circle, can differ ± 2mm or so between the inside diameter and diameter of a circle of heat-shrink tube.
(2) according to the effective length size of selected copper bar, heat-shrink tube is cut into several segments, the length of every section of heat-shrink tube
It is 35-40mm shorter than copper bar.
After choosing suitable heat-shrink tube, cut generally according to every section of pyrocondensation length of tube is 40mm shorter than copper bar length,
Heat-shrink tube is cut into several segments.The pyrocondensation pipe surface of cutting should be neat, and no angle, surface wants neat, no concave-convex phenomenon.
(3) every section of heat-shrink tube is corresponded into progress aperture processing at insulator and sensor on copper bar using drilling tool.
Heat-shrink tube at insulator and sensor carries out aperture processing using button hole device.
(4) it is inserted in corresponding heat-shrink tube after every section of copper bar being carried out cleaning wiped clean.
Every section of copper bar surface polishing, carries out cleaning wiping, guarantees that copper bar does not have burr, in order to avoid heat-shrink tube is scratched.It will cut
The every section of shrinkable sleeve cut guarantees to be set with pyrocondensation tube transitions naturally, wrinkle are reasonable in copper bar bending part on every section of copper bar.
(5) heat shrink is carried out to every section of heat-shrink tube being sleeved on every section of copper bar.
When carrying out heat shrink for the heat-shrink tube of small lot, heat-shrink tube is evenly heated using pyrocondensation spray gun, carries out heat
Contracting processing.
When carrying out heat shrink for large batch of heat-shrink tube, after copper bar is inserted in heat-shrink tube, it is directly placed into electric heating air blast
Drying box progress heat shrink, high production efficiency, pyrocondensation are high-quality.
After copper bar is inserted in heat-shrink tube, it is directly placed into the method that electric drying oven with forced convection carries out heat shrink specifically:
The copper bar for being set with heat-shrink tube is put into electric drying oven with forced convection and carries out heat shrink, when the copper bar pyrocondensation of 10kV,
Temperature setting is at 160 DEG C；When the copper bar pyrocondensation of 35kV, temperature setting is at 160 DEG C；When for low-voltage copper bar pyrocondensation, diameter 80mm
When the low-voltage copper bar pyrocondensation (be free of) below, temperature setting is at 156 DEG C；The low-voltage copper bar pyrocondensation of diameter 80mm or more (including)
When, temperature setting is at 160 DEG C.
Before the copper bar of suit heat-shrink tube is put into electric drying oven with forced convection, first electric drying oven with forced convection is preheated, when
After temperature reaches 80 DEG C, the copper bar of suit heat-shrink tube is put into electric drying oven with forced convection, copper bar is generally heated 30 ± 2 points
Clock stops heating, temperature is risen to 160 ± 5 DEG C, keeps the temperature 4-5 minutes to copper bar, it is therefore an objective to allow heat-shrink tube sufficiently to shrink, guarantee
Heat-shrink tube will not be broken, and surface will not adhesion.
(6) it checks.
Surface quality inspection is carried out to heat-shrink tube after processing is completed, guarantees that pyrocondensation pipe surface is not damaged.Pyrocondensation will be heated
The copper bar of pipe is neatly emitted in working position apparatus, and guarantee avoids insulation harm.
Here is three embodiments of disclosure electric drying oven with forced convection heating heat-shrink tube.
Embodiment 1:
S101 chooses 35kV copper bar according to the width and length of selected 35kV copper bar and selects the pyrocondensation of suitable diameter
Pipe.
According to the width and length of selected 35kV copper bar, the sectional area of selected copper bar is calculated, by the sectional area of copper bar
It is converted into diameter of a circle, selects inside diameter closest to the heat-shrink tube of diameter of a circle.If the length of 35kV copper bar is 30mm, width
When for 12mm, the pyrocondensation bore selected is 35mm.
Heat-shrink tube is cut into several segments, the length ratio of every section of heat-shrink tube according to the length of selected 35kV copper bar by S102
The short 40mm of copper bar.
Every section of heat-shrink tube is corresponded to progress aperture processing at insulator and sensor on copper bar using button hole device by S103.
S104 polishes every section of 35kV copper bar, is inserted in corresponding heat-shrink tube after cleaning wiped clean.
The 35kV copper bar for being set with heat-shrink tube is put into electric drying oven with forced convection and carries out heat shrink by S105, electric heating air blast
Drying box heating temperature is arranged at 160 DEG C, before the 35kV copper bar of suit heat-shrink tube is put into electric drying oven with forced convection, first to electric heating
Air dry oven is preheated, and after temperature reaches 80 DEG C, the 35kV copper bar of suit heat-shrink tube is put into electric drying oven with forced convection
It is interior, generally 35kV copper bar is heated 30 ± 2 minutes, stops heating, temperature is risen to 165 DEG C, 5 minutes are kept the temperature to 35kV copper bar
Afterwards, 35kV copper bar is taken out, 35kV copper bar suit heat-shrink tube completes the process.Process before and after 35kV copper bar heat-shrink tube pyrocondensation is such as
Shown in table 1.
1 35kV copper bar heat-shrink tube of table
Embodiment 2:
S201 chooses 10kV copper bar according to the width and length of selected 10kV copper bar and selects the pyrocondensation of suitable diameter
Pipe.
According to the width and length of selected 10kV copper bar, the sectional area of selected copper bar is calculated, by the sectional area of copper bar
It is converted into diameter of a circle, selects inside diameter closest to the heat-shrink tube of diameter of a circle.If the length of 10kV copper bar is 30mm, width
When for 12mm, the pyrocondensation bore selected is 35mm.
Heat-shrink tube is cut into several segments, the length ratio of every section of heat-shrink tube according to the length of selected 10kV copper bar by S202
The short 40mm of copper bar.
Every section of heat-shrink tube is corresponded to progress aperture processing at insulator and sensor on copper bar using button hole device by S203.
S204 polishes every section of 10kV copper bar, is inserted in corresponding heat-shrink tube after cleaning wiped clean.
The 10kV copper bar for being set with heat-shrink tube is put into electric drying oven with forced convection and carries out heat shrink by S205, electric heating air blast
Drying box heating temperature is arranged at 160 DEG C, before the 10kV copper bar of suit heat-shrink tube is put into electric drying oven with forced convection, first to electric heating
Air dry oven is preheated, and after temperature reaches 80 DEG C, the 10kV copper bar of suit heat-shrink tube is put into electric drying oven with forced convection
It is interior, generally 35kV copper bar is heated 30 ± 2 minutes, stops heating, temperature is risen to 165 DEG C, 5 minutes are kept the temperature to 10kV copper bar
Afterwards, 10kV copper bar is taken out, 10kV copper bar suit heat-shrink tube completes the process.Process before and after 10kV copper bar heat-shrink tube pyrocondensation is such as
Shown in table 2.
2 10kV copper bar heat-shrink tube of table
Embodiment 3:
S301 chooses low-voltage copper bar, and according to the length of selected low-voltage copper bar, heat-shrink tube is cut into several segments, and every section
The length of heat-shrink tube is 40mm shorter than copper bar.
Every section of heat-shrink tube is corresponded to progress aperture processing at insulator and sensor on copper bar using button hole device by S302.
S303 polishes every section of low-voltage copper bar, is inserted in corresponding heat-shrink tube after cleaning wiped clean.
The low-voltage copper bar for being set with heat-shrink tube is put into electric drying oven with forced convection and carries out heat shrink by S304, if the low pressure
The diameter of copper bar is greater than 80, then electric drying oven with forced convection heating temperature is arranged at 160 DEG C；If the diameter of the low-voltage copper bar is less than
80, then electric drying oven with forced convection heating temperature is arranged at 156 DEG C；Electric heating forced air drying is put into the low-voltage copper bar of suit heat-shrink tube
Before case, first electric drying oven with forced convection is preheated, after temperature reaches 80 DEG C, the 10kV copper bar of suit heat-shrink tube is put into electricity
In hot blast drying box, generally 35kV copper bar is heated 30 ± 2 minutes, stops heating, temperature is risen to 160 DEG C, to low pressure copper
Row's heat preservation after five minutes, takes out 10kV copper bar, and low-voltage copper bar suit heat-shrink tube completes the process.Before and after the pyrocondensation of low-voltage copper bar heat-shrink tube
Process it is as shown in table 3.
3 low-voltage copper bar heat-shrink tube of table
Another embodiment of the disclosure provides a kind of copper bar heat-shrinkable T bush, and the copper bar heat-shrinkable T bush is using described in embodiment as above
The processing technology of copper bar heat-shrinkable T bush obtain.
It can be seen from the above description that the application the above embodiments realize following technical effect:
(1) processing technology is easy to operate, overcomes air bulge phenomenon, avoids generating uneven distribution, thermal shrinkable sleeve of burning
The deficiency of pipe, labor intensity is low, high production efficiency, does not waste heat-shrink tube raw material；
(2) heat-shrink tube being sleeved on any type copper bar is heated, shrinks sizing using electric drying oven with forced convection,
Different heating temperatures can be set according to different types of copper bar, and thin and thick is uniform after guaranteeing heat-shrink tube pyrocondensation, and will not burn heat
The draw, and after the heating, the isothermal holding of certain time is carried out to heat-shrink tube, is guaranteed that heat-shrink tube is sufficiently shunk, is also avoided pyrocondensation
Pipe fracture and surfaces stick.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of processing technology of copper bar heat-shrink tube, characterized in that the following steps are included:
(1) according to the structure type of selected copper bar, width and effective length size, the heat-shrink tube of suitable diameter is selected；
(2) according to the effective length size of selected copper bar, heat-shrink tube is cut into several segments；
(3) progress aperture processing at insulator and sensor will be corresponded on every section of heat-shrink tube using button hole device；
(4) it is inserted in corresponding heat-shrink tube after every section of copper bar surface treatment；
(5) heat shrink is carried out to every section of heat-shrink tube being sleeved on every section of copper bar.
2. the processing technology of copper bar heat-shrink tube according to claim 1, characterized in that in the step (1), according to selected
The width and effective length of copper bar are taken, the sectional area of selected copper bar is calculated, converts diameter of a circle for the sectional area of copper bar, press
According to diameter of a circle, select inside diameter closest to the heat-shrink tube of diameter of a circle.
3. the processing technology of copper bar heat-shrink tube according to claim 1, characterized in that in the step (2), every section of pyrocondensation
The length of pipe is 35-40mm shorter than copper bar.
4. the processing technology of copper bar heat-shrink tube according to claim 1, characterized in that in the step (4), copper bar surface
Copper bar is inserted in corresponding heat-shrink tube by polishing after cleaning wiped clean.
5. the processing technology of copper bar heat-shrink tube according to claim 1, characterized in that in the step (5), using electric heating
Air dry oven carries out heat shrink to every section of heat-shrink tube being sleeved on every section of copper bar, and setting electric drying oven with forced convection heats
Temperature；Before the copper bar of suit heat-shrink tube is put into electric drying oven with forced convection, first electric drying oven with forced convection is heated, to
After electric drying oven with forced convection temperature reaches 80 DEG C, the copper bar for being set with heat-shrink tube is put into electric drying oven with forced convection, is set with pyrocondensation
After the copper bar of pipe heats 28-32 minutes in electric drying oven with forced convection, electric drying oven with forced convection temperature is increased 5 DEG C, suit heat
The copper bar of the draw takes out the copper bar of suit heat-shrink tube after electric drying oven with forced convection inside holding 4-5 minutes, then heat is set on copper bar
Draw processing work is completed.
6. the processing technology of copper bar heat-shrink tube according to claim 5, characterized in that in the step (5), for suit
When the heat-shrink tube on 10kV copper bar heats pyrocondensation, electric drying oven with forced convection heating temperature is set as 160 DEG C.
7. the processing technology of copper bar heat-shrink tube according to claim 5, characterized in that in the step (5), for suit
When the heat-shrink tube on 35kV copper bar heats pyrocondensation, electric drying oven with forced convection heating temperature is set as 160 DEG C.
8. the processing technology of copper bar heat-shrink tube according to claim 5, characterized in that in the step (5), for suit
When the heat-shrink tube on diameter 80mm low-voltage copper bar below heats pyrocondensation, electric drying oven with forced convection heating temperature is set as 156
℃；When heating pyrocondensation for the heat-shrink tube being sleeved on the low-voltage copper bar of diameter 80mm or more, electric drying oven with forced convection heating temperature
Degree is set as 160 DEG C.
9. the processing technology of copper bar heat-shrink tube according to claim 1, characterized in that in the step (5), using pyrocondensation
Spray gun carries out every section of heat-shrink tube to be evenly heated pyrocondensation processing.
10. a kind of copper bar heat-shrink tube, characterized in that using adding for copper bar heat-shrink tube as claimed in any one of claims 1-9 wherein
Work technique obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289572.0A CN109366969A (en) | 2018-10-31 | 2018-10-31 | The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289572.0A CN109366969A (en) | 2018-10-31 | 2018-10-31 | The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology |
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| CN109366969A true CN109366969A (en) | 2019-02-22 |
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|---|---|---|---|
| CN201811289572.0A Pending CN109366969A (en) | 2018-10-31 | 2018-10-31 | The processing technology of copper bar heat-shrink tube and the copper bar heat-shrink tube for using the processing technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641009A (en) * | 2019-09-25 | 2020-01-03 | 苏州真荃橡塑科技有限公司 | Preparation method of high-polymer foamed seamless buffer tube |
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| JP5185130B2 (en) * | 2006-10-13 | 2013-04-17 | 住友電工ファインポリマー株式会社 | Heat shrinkable tube heating device |
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| CN203831794U (en) * | 2013-12-02 | 2014-09-17 | 国网河南省电力公司驻马店供电公司 | Electric baking thermal shrinkable sleeve machine |
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| CN110641009A (en) * | 2019-09-25 | 2020-01-03 | 苏州真荃橡塑科技有限公司 | Preparation method of high-polymer foamed seamless buffer tube |
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Address after: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant after: Qingdao Yihe Electric Group Co., Ltd Address before: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant before: Yihe Electric Group Co., Ltd. |
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Application publication date: 20190222 |
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