CN104309052A - Manufacturing technology of threading box - Google Patents
Manufacturing technology of threading box Download PDFInfo
- Publication number
- CN104309052A CN104309052A CN201410303222.0A CN201410303222A CN104309052A CN 104309052 A CN104309052 A CN 104309052A CN 201410303222 A CN201410303222 A CN 201410303222A CN 104309052 A CN104309052 A CN 104309052A
- Authority
- CN
- China
- Prior art keywords
- temperature
- injection
- thickness
- pull box
- polypropylene
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 239000004743 Polypropylene Substances 0.000 claims abstract description 28
- -1 polypropylene Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 13
- 238000003723 Smelting Methods 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000008602 contraction Effects 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000012805 post-processing Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 18
- 229920003023 plastic Polymers 0.000 description 18
- 238000013461 design Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000013507 mapping 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76658—Injection unit
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
Abstract
The invention discloses a manufacturing technology of a threading box. The manufacturing technology comprises the following steps of dry treatment, melting temperature, mold temperature, injection pressure, injection speed, melt backpressure and aftertreatment of a product. An edge-shaped gate length is 0.5-0.7 mm; a depth is half of wall thickness; and a width is twice of the wall thickness. The mold has good exhaust property; and an exhaust vent has a depth of 0.025 mm-0.038 mm and thickness of 1.0 mm-1.5 mm. The threading box is made of polypropylene. The manufacturing technology provided by the invention is precise, is relatively little in time consumption, and saves labor source and time. The threading box is made of polypropylene. Polypropylene has good heat resistance and excellent high-frequency insulating properties, and polypropylene does not absorb water, so that the insulating properties are not influenced by humidity.
Description
Technical field
The present invention relates to a kind of manufacture craft of PULL BOX, belong to mould of plastics field.
Background technology
Plastics industry is produced two Iarge-scale system by plastic raw materials and plastic products and is formed, the two complements each other, indispensable, and plastic products production is the only resource realizing plastic raw materials self-value, the object that plastic products are produced is exactly the performance according to various plastics, utilize various process, become the article or shaping material that there is definite shape and have use value, plastic products are produced and are formed primarily of the link such as shaping, machining, incrustation, assembling, its important ring is exactly plastic shaping
The modern designs of mould of plastics has extremely close associating with manufacture with modern plastics industrial expansion, and countries in the world are all very paid close attention to the modern designs of Mold for Plastics and Zao Ji Intraoperative processed.In recent years, abroad the Re runner Xi Tong ﹑ temperature Kong Xi Tong ﹑ application Digit Control Machine Tool of Mold for Plastics is processed and reduced the aspects such as heat treatment deformation and all done many explorations, and achieve certain achievement, external many enterprises are in the design and manufaction of mold, have employed CAD/CAM system, this, to raising plastic member product quality, shortens the mold manufacturing cycle, reduces plastic production cost aspect and obtains good economic benefit.
The conventional method of die design, rely on the Jing Yan ﹑ skill of designer and existing design data, from to the technology Calculation of the plastic designing and mapping to mold, entirely work by hand, just more professional is needed to pay a large amount of numerous and diverse work, so the quality of plastic and quantity all far can not meet the needs of production development to the manufacture of mold.Along with the extensive use of calculator Ji Intraoperative, die design and manufacture have employed CAD/CAM system, thus substantially increase the efficiency of mould design and manufacture.
Summary of the invention
Goal of the invention: in order to overcome problems of the prior art, the invention provides a kind of manufacture craft of PULL BOX.
Technical scheme: for achieving the above object, the invention provides a kind of manufacture craft of PULL BOX, comprises the steps:
A, dry process: if stored suitably, do not need dry process;
The fusing point of b, fusion temperature: PP is 160 ~ 175 DEG C, and decomposition temperature is 350 DEG C, and injection adds temperature setting in man-hour can not more than 275 DEG C, and melt zone temperature is preferably at 240 DEG C;
C, mold temperature: mold temperature 50 ~ 90 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 1500 ~ 1800bar and dwell pressure, turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 4 ~ 7mm, aciculiform cast gate length 1 ~ 1.5mm, diameter can be as small as 0.7mm, 50 ~ 60% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
Described limit shape cast gate length is 0.5 ~ 0.7mm, and the degree of depth is the half of wall thickness, and width is the twice of wall thickness, and mould must have good venting quality, exhaust hole depth 0.025mm ~ 0.038mm, thick 1.0mm ~ 1.5mm.
Manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
The manufactured materials of described PULL BOX adopts polypropylene polypropylene to have good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity.
Beneficial effect: the present invention compared with prior art tool has the following advantages:
1, polypropylene has good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity;
2, manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
accompanying drawing explanation
Fig. 1: be the process chart of the manufacture craft of the PULL BOX of the present embodiment.
detailed description of the invention
The present invention to be further elaborated by specific embodiment below in conjunction with accompanying drawing, be noted that for those skilled in the art, under the premise without departing from the principles of the invention, the application's claims limited range is all fallen within to the amendment of the various equivalent form of value of the present invention.
Embodiment 1:
A manufacture craft for PULL BOX, comprises the steps: as shown in Figure 1
A, dry process: if stored suitably, do not need dry process;
The fusing point of b, fusion temperature: PP is 160 DEG C, and decomposition temperature is 350 DEG C, and injection adds temperature setting in man-hour can not more than 275 DEG C, and melt zone temperature is preferably at 240 DEG C;
C, mold temperature: mold temperature 50 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 15000bar and dwell pressure, turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 4 ~ 7mm, aciculiform cast gate length 1mm, diameter can be as small as 0.7mm, 50% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
Described limit shape cast gate length is 0.5mm, and the degree of depth is the half of wall thickness, and width is the twice of wall thickness, and mould must have good venting quality, and exhaust hole depth 0.025mm, thickness is 1.0mm.
Manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
The manufactured materials of described PULL BOX adopts polypropylene polypropylene to have good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity.
Embodiment 2
A manufacture craft for PULL BOX, comprises the steps: as shown in Figure 1
A, dry process: if stored suitably, do not need dry process;
The fusing point of b, fusion temperature: PP is 170 DEG C, and decomposition temperature is 350 DEG C, and injection adds temperature setting in man-hour can not more than 275 DEG C, and melt zone temperature is preferably at 240 DEG C;
C, mold temperature: mold temperature 70 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 1650bar and dwell pressure, turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 4 ~ 7mm, aciculiform cast gate length 1.2mm, diameter can be as small as 0.7mm, 55% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
Described limit shape cast gate length is 0.6mm, and the degree of depth is the half of wall thickness, and width is the twice of wall thickness, and mould must have good venting quality, exhaust hole depth 0.031mm, thick 13mm.
Manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
The manufactured materials of described PULL BOX adopts polypropylene polypropylene to have good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity.
Embodiment 3:
A manufacture craft for PULL BOX, comprises the steps: as shown in Figure 1
A, dry process: if stored suitably, do not need dry process;
The fusing point of b, fusion temperature: PP is 175 DEG C, and decomposition temperature is 350 DEG C, and injection adds temperature setting in man-hour can not more than 275 DEG C, and melt zone temperature is preferably at 240 DEG C;
C, mold temperature: mold temperature 90 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 1800bar and dwell pressure, turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 7mm, aciculiform cast gate length 1.5mm, diameter can be as small as 0.7mm, 60% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
Described limit shape cast gate length is 0.7mm, and the degree of depth is the half of wall thickness, and width is the twice of wall thickness, and mould must have good venting quality, and exhaust hole depth 0.038mm, thickness is 1.5mm.
Manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
The manufactured materials of described PULL BOX adopts polypropylene polypropylene to have good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity.
Embodiment 3:
A manufacture craft for PULL BOX, comprises the steps:
A, dry process: if stored suitably, do not need dry process;
The fusing point of b, fusion temperature: PP is 174 DEG C, and decomposition temperature is 398 DEG C, and injection adds temperature setting in man-hour can not more than 274 DEG C, and melt zone temperature is preferably at 239 DEG C;
C, mold temperature: mold temperature 90 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 1700bar and dwell pressure, turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 6mm, aciculiform cast gate length 1.5mm, diameter can be as small as 0.7mm, 60% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
Described limit shape cast gate length is 0.7mm, and the degree of depth is the half of wall thickness, and width is the twice of wall thickness, and mould must have good venting quality, and exhaust hole depth 0.038mm, thickness is 1.5mm.
Manufacture craft of the present invention is accurate, and the used time is less, saves human resources and time.
The manufactured materials of described PULL BOX adopts polypropylene polypropylene to have good heat resistance, high-frequency insulation function admirable, and because it absorbs water hardly, therefore insulating properties are not by the impact of humidity.
Claims (3)
1. a manufacture craft for PULL BOX, is characterized in that: comprise the steps:
A, dry process: baking temperature 120 ~ 150 DEG C;
The fusing point of b, fusion temperature: PP is 160 ~ 175 DEG C, and decomposition temperature is 350 DEG C, and injection adds temperature setting in man-hour can not more than 275 DEG C, and melt zone temperature is preferably at 240 DEG C;
C, mold temperature: mold temperature 50 ~ 90 DEG C, for the use Gao Mowen that dimensional requirement is higher, mandrel temperatures is lower than die cavity temperature more than 5 DEG C;
D, injection pressure: adopt and be about 80% of injection pressure compared with high injection pressure 1500 ~ 1800bar and dwell pressure, probably turn pressurize 95% of total travel time, with the longer dwell time;
E, injection speed: for reducing internal stress and distortion, should high speed injection be selected, runner and cast gate: flow diameter 4 ~ 7mm, aciculiform cast gate length 1 ~ 1.5mm, diameter can be as small as 0.7mm, 50 ~ 60% of the thickness of strong muscle, the product that homopolymerization PP manufactures, thickness more than 3mm, otherwise can not have bubble;
F, smelting glue back pressure: available 5bar smelting glue back pressure, the back pressure of toner material can suitably be heightened;
The post processing of g, goods: the contraction distortion produced for preventing post crystallization, goods generally need through hot-water soak process.
2. a kind of manufacture craft of PULL BOX according to claims 1, it is characterized in that: described limit shape cast gate length is 0.5 ~ 0.7mm, the degree of depth is the half of wall thickness, width is the twice of wall thickness, mould must have good venting quality, exhaust hole depth 0.025mm ~ 0.038mm, thick 1.0mm ~ 1.5mm.
3. a kind of manufacture craft of PULL BOX according to claims 1, is characterized in that: the manufactured materials of described PULL BOX adopts polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303222.0A CN104309052A (en) | 2014-06-30 | 2014-06-30 | Manufacturing technology of threading box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303222.0A CN104309052A (en) | 2014-06-30 | 2014-06-30 | Manufacturing technology of threading box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104309052A true CN104309052A (en) | 2015-01-28 |
Family
ID=52364430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410303222.0A Pending CN104309052A (en) | 2014-06-30 | 2014-06-30 | Manufacturing technology of threading box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104309052A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280266A (en) * | 2018-09-05 | 2019-01-29 | 镇江朝阳机电科技有限公司 | A kind of compound flame retardant plastics wire casing and manufacturing process |
-
2014
- 2014-06-30 CN CN201410303222.0A patent/CN104309052A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280266A (en) * | 2018-09-05 | 2019-01-29 | 镇江朝阳机电科技有限公司 | A kind of compound flame retardant plastics wire casing and manufacturing process |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |
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| WD01 | Invention patent application deemed withdrawn after publication |