CN106945230A - A kind of preparation technology of notebook computer casing - Google Patents
A kind of preparation technology of notebook computer casing Download PDFInfo
- Publication number
- CN106945230A CN106945230A CN201710307537.6A CN201710307537A CN106945230A CN 106945230 A CN106945230 A CN 106945230A CN 201710307537 A CN201710307537 A CN 201710307537A CN 106945230 A CN106945230 A CN 106945230A
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- fiber plate
- temperature
- raw material
- preparation technology
- 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
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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Glass Compositions (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention provides a kind of preparation technology of notebook computer casing.The preparation technology of the present invention uses the makrolon that with the addition of glass fibre as raw material, and by adjusting the consumption of glass fibre and makrolon, the frame of main body carbon fiber plate is injected after being melted by Segmented heating, integrally combine shaping with the intermediate sandwich material of carbon fiber plate, with the addition of the makrolon material of glass fibre makes obtained notebook computer casing more durable, it is unlikely to deform, carbon fiber plate is firmly combined with frame material, not hygroscopic.
Description
Technical field
The invention belongs to notebook computer processing technique field, it is related to a kind of preparation technology of notebook computer casing.
Background technology
Notebook computer is compared with desktop computer, and notebook computer has similar structure composition, including main frame, keyboard/mouse
Mark, CPU, internal memory and hard disk, but notebook computer has obvious advantage, its major advantage has small volume, lightweight, carrying side
Just.It is, in general, that the portability advantage that to be notebook maximum relative to desktop computer, the weight of general notebook computer is only
There are 2 kilograms or so, work of either going out still is traveled, and can be carried with, very convenient.
The shell of notebook computer is mostly moulding, and traditional spraying, typography are used its outer surface more.With beginning to write
Remember the use crowd increasingly rejuvenation of this computer, consumer is to the individual requirement of notebook computer also more and more higher.
CN101256426A discloses a kind of notebook computer casing and forming method, the notebook computer casing, including
The body as formed by injection, is attached to the protective layer of the body outer surface and positioned at body and guarantor when being additionally included in injection
Intermediate layer between sheath；Its outer surface of outer cover good endurance, is hardly damaged, scratch, and the pattern of printing is difficult for drop-off and pollution.
But, the shell of notebook computer made from the preparation technology of prior art is insecure due to injection structure, easily inhales
Water mutability.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of preparation technology of notebook computer casing,
Obtained notebook computer casing does not absorb water, and is unlikely to deform.
For up to this purpose, the present invention uses following technical scheme：
A kind of preparation technology of notebook computer casing, comprises the following steps：
1) by raw material carry out baking material processing, the raw material be makrolon and account for the makrolon mass percent be
40~60% glass fibre；
2) by step 1) processing after raw material heated, by solid material heat melt to fluid state；
3) carbon fiber plate is placed in mold cavity, and mould self-heating is to ensure the molten condition of raw material, the carbon fiber plate
Including intermediate course；By the raw material implantation step 3 after melting) described in carbon fiber plate intermediate course, in described in carbon fiber plate
Between interlayer material combine, Guan Bi mould die cavity；
4) cooling shaping, takes out product, obtains notebook computer casing.
The main body of notebook computer casing is carbon fiber plate, and the peripheral position of the medial surface of carbon fiber plate has been molded injection raw material work
It is used for the miscellaneous part of clamping notebook computer for plastic material, the centre of carbon fiber plate is provided with intermediate course, by the original after melting
After material injection carbon fiber plate, fused raw material flows into the intermediate course of carbon fiber plate, and the material in intermediate course, after cooling with
Between sandwich material be combined as a whole so that carbon fiber plate is integrally formed with plastic material, add in the perimeter injection moulding of carbon fiber plate
The makrolon material of glass fibre, obtained notebook computer casing is more durable, is unlikely to deform, carbon fiber plate and plastic material
It is firmly combined with, it is not hygroscopic.
Step 1) in, the temperature of baking material processing is 200~300 DEG C, such as 200 DEG C, 210 DEG C, 220 DEG C, 230 DEG C,
240 DEG C, 250 DEG C, 260 DEG C, 270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, the time of the baking material processing is 1.5~3h, for example
1.5h、1.6h、1.7h、1.8h、1.9h、2h、2.1h、2.2h、2.3h、2.4h、2.5h、2.6h、2.7h、2.8h、2.9h、3h。
In the present invention, step 1) in, the baking material is processed as removal moisture drying.
It is preferred that, step 1) in, it is 50% that the quality of the glass fibre, which accounts for the mass percent of the makrolon,.
Step 2) be heated to be Segmented heating；It is preferred that, the Segmented heating heats for four-part form, the temperature of first paragraph
Spend for 285 DEG C, the temperature of second segment is that the temperature that 275 DEG C, the 3rd section of temperature is 275 DEG C, the 4th section is 230 DEG C, segmented
Heating is easy to effectively control heating-up temperature.
Step 3) in, the intermediate course of the carbon fiber plate is foam.
Step 3) in, the raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate intermediate course.
Step 4) cool time be 15~20s, temperature after the cooling is 50~60 DEG C.
Preferably, the preparation technology of notebook computer casing of the invention, comprises the following steps：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 40~60% glass fibre, and the temperature of the baking material processing is 200~300 DEG C, the baking material processing
Time is 1.5~3h；
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Institute
State Segmented heating to heat for four-part form, the temperature of first paragraph is 285 DEG C, the temperature of second segment is 275 DEG C, the 3rd section of temperature
It it is 230 DEG C for 275 DEG C, the 4th section of temperature；
3) carbon fiber plate is placed in mold cavity, and mould self-heating is to ensure the molten condition of raw material, the carbon fiber plate
Including intermediate course；Raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate intermediate course, with carbon fiber plate
Described in the material of intermediate course combine, Guan Bi mould die cavity, the intermediate course of the carbon fiber plate is foam；
4) cooling shaping, takes out product, obtains notebook computer casing, the time of the cooling is 15~20s, described cold
But the temperature after is 50~60 DEG C.
Compared with prior art, beneficial effects of the present invention are：The present invention is using the makrolon that with the addition of glass fibre
As raw material, the peripheral position of main body carbon fiber plate medial surface is injected after being melted by Segmented heating, with being pressed from both sides in the middle of carbon fiber plate
Layer material integrally combines shaping, and with the addition of the makrolon material of glass fibre makes obtained notebook computer casing more resistance to
With, it is unlikely to deform, carbon fiber plate is firmly combined with plastic material, it is not hygroscopic.
Embodiment
Technical scheme is further illustrated below by embodiment.
Embodiment 1
The present embodiment prepares notebook computer casing by following technique：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 40% glass fibre；The temperature of baking material processing is 200 DEG C, and the time of the baking material processing is
1.5h。
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Its
In, Segmented heating heats for four-part form, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, the 3rd section of temperature
The temperature spent for 275 DEG C, the 4th section is 230 DEG C.
3) carbon fiber plate is placed in mold cavity, Guan Bi mould die cavity, and mould self-heating to ensure the molten of raw material
State, the carbon fiber plate includes intermediate course, and the intermediate course of the carbon fiber plate is foam；
4) raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate frame, in described in carbon fiber plate
Between interlayer material combine；Cool time is 15s, and the temperature after the cooling is 50 DEG C；
5) raw material enter mould die cavity after cooling shaping；
6) mould is opened, manipulator takes out the product after shaping, notebook computer casing, obtained notebook electricity is made
Brain shell does not absorb water, and is unlikely to deform.
Embodiment 2
The present embodiment prepares notebook computer casing by following technique：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 45% glass fibre；The temperature of the baking material processing is 300 DEG C, and the time of the baking material processing is 2h.
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Its
In, Segmented heating heats for four-part form, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, the 3rd section of temperature
The temperature spent for 275 DEG C, the 4th section is 230 DEG C.
3) carbon fiber plate is placed in mold cavity, Guan Bi mould die cavity, and mould self-heating to ensure the molten of raw material
State, the carbon fiber plate includes intermediate course, and the intermediate course of the carbon fiber plate is foam；
4) raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate frame, in described in carbon fiber plate
Between interlayer material combine；Cool time is 18s, and the temperature after the cooling is 55 DEG C；
5) raw material enter mould die cavity after cooling shaping；
6) mould is opened, manipulator takes out the product after shaping, notebook computer casing, obtained notebook electricity is made
Brain shell does not absorb water, and is unlikely to deform.
Embodiment 3
The present embodiment prepares notebook computer casing by following technique：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 50% glass fibre；The temperature of baking material processing is 260 DEG C, and the time of the baking material processing is
2.5h。
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Its
In, Segmented heating heats for four-part form, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, the 3rd section of temperature
The temperature spent for 275 DEG C, the 4th section is 230 DEG C.
3) carbon fiber plate is placed in mold cavity, Guan Bi mould die cavity, and mould self-heating to ensure the molten of raw material
State, the carbon fiber plate includes intermediate course, and the intermediate course of the carbon fiber plate is foam；
4) raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate frame, in described in carbon fiber plate
Between interlayer material combine；Cool time is 20s, and the temperature after the cooling is 60 DEG C；
5) raw material enter mould die cavity after cooling shaping；
6) mould is opened, manipulator takes out the product after shaping, notebook computer casing, obtained notebook electricity is made
Brain shell does not absorb water, and is unlikely to deform.
Embodiment 4
The present embodiment prepares notebook computer casing by following technique：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 55% glass fibre；The temperature of the baking material processing is 280 DEG C, and the time of the baking material processing is 3h.
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Its
In, Segmented heating heats for four-part form, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, the 3rd section of temperature
The temperature spent for 275 DEG C, the 4th section is 230 DEG C.
3) carbon fiber plate is placed in mold cavity, Guan Bi mould die cavity, and mould self-heating to ensure the molten of raw material
State, the carbon fiber plate includes intermediate course, and the intermediate course of the carbon fiber plate is foam；
4) raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate frame, in described in carbon fiber plate
Between interlayer material combine；Cool time is 20s, and the temperature after the cooling is 60 DEG C；
5) raw material enter mould die cavity after cooling shaping；
6) mould is opened, manipulator takes out the product after shaping, notebook computer casing, obtained notebook electricity is made
Brain shell does not absorb water, and is unlikely to deform.
Embodiment 5
The present embodiment prepares notebook computer casing by following technique：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon
Mass percent is 60% glass fibre；The temperature of baking material processing is 300 DEG C, and the time of the baking material processing is
2.6h。
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Its
In, Segmented heating heats for four-part form, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, the 3rd section of temperature
The temperature spent for 275 DEG C, the 4th section is 230 DEG C.
3) carbon fiber plate is placed in mold cavity, Guan Bi mould die cavity, and mould self-heating to ensure the molten of raw material
State, the carbon fiber plate includes intermediate course, and the intermediate course of the carbon fiber plate is foam；
4) raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate frame, in described in carbon fiber plate
Between interlayer material combine；Cool time is 18s, and the temperature after the cooling is 56 DEG C；
5) raw material enter mould die cavity after cooling shaping；
6) mould is opened, manipulator takes out the product after shaping, notebook computer casing, obtained notebook electricity is made
Brain shell does not absorb water, and is unlikely to deform.
Notebook computer casing made from the preparation technology of the present invention, its material of main part is fine for the carbon with intermediate course
Plate, body edge frame material is the makrolon material that with the addition of glass fibre, and dominant carbon is injected after being melted by Segmented heating
The frame of fine plate, integrally combines shaping with the intermediate sandwich material of carbon fiber plate, and main body frame is used for clamping miscellaneous part, with the addition of
The makrolon material of glass fibre is more durable, is unlikely to deform, and carbon fiber plate is firmly combined with frame material, not hygroscopic.
Applicant states that the present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, do not mean that the present invention has to rely on above-mentioned detailed
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
Addition, selection of concrete mode of equivalence replacement and auxiliary element to each raw material of product of the present invention etc., all fall within the present invention's
Within the scope of protection domain and disclosure.
Claims (10)
1. a kind of preparation technology of notebook computer casing, it is characterised in that comprise the following steps：
1) raw material is subjected to baking material processing, the raw material be makrolon and account for the makrolon mass percent be 40~
60% glass fibre；
2) by step 1) processing after raw material heated, by solid material heat melt to fluid state；
3) carbon fiber plate is placed in mold cavity, and mould self-heating, to ensure the molten condition of raw material, the carbon fiber plate includes
Intermediate course；By the raw material implantation step 3 after melting) described in carbon fiber plate intermediate course, with described in carbon fiber plate in the middle of press from both sides
The material of layer is combined, Guan Bi mould die cavity；
4) cooling shaping, takes out product, obtains notebook computer casing.
2. preparation technology according to claim 1, it is characterised in that step 1) in, the temperature of the baking material processing is 200
~300 DEG C, the time of the baking material processing is 1.5~3h.
3. preparation technology according to claim 1 or 2, it is characterised in that step 1) in, the baking material is removal moisture drying.
4. the preparation technology according to one of claim 1-3, it is characterised in that step 1) in, the matter of the glass fibre
The mass percent that amount accounts for the makrolon is 50%.
5. the preparation technology according to one of claim 1-4, it is characterised in that step 2) be heated to be Segmented heating.
6. the preparation technology according to one of claim 1-5, it is characterised in that the Segmented heating adds for four-part form
Heat, the temperature of first paragraph is 285 DEG C, and the temperature of second segment is that 275 DEG C, the 3rd section of temperature is 275 DEG C, and the 4th section of temperature is
230℃。
7. the preparation technology according to one of claim 1-6, it is characterised in that step 3) in, the centre of the carbon fiber plate
Interlayer is foam.
8. the preparation technology according to one of claim 1-7, it is characterised in that step 3) in, the raw material after melting is led to
Excess pressure implantation step 3) described in carbon fiber plate intermediate course.
9. the preparation technology according to one of claim 1-8, it is characterised in that step 4) cooling time for 15~
20s, the temperature after the cooling is 50~60 DEG C.
10. the preparation technology according to one of claim 1-9, it is characterised in that comprise the following steps：
1) raw material is subjected to baking material processing by dehumidifying heat pump, the raw material is makrolon and accounts for the makrolon quality
Percentage is 40~60% glass fibre, and the temperature of the baking material processing is 200~300 DEG C, the time of the baking material processing
For 1.5~3h；
2) by step 1) processing after raw material carry out Segmented heating, by solid material heating melt to fluid state；Described point
Segmentation is heated to be four-part form heating, and the temperature of first paragraph is 285 DEG C, and the temperature of second segment is 275 DEG C, and the 3rd section of temperature is
275 DEG C, the 4th section of temperature is 230 DEG C；
3) carbon fiber plate is placed in mold cavity, and mould self-heating, to ensure the molten condition of raw material, the carbon fiber plate includes
Intermediate course；Raw material after melting is passed through into pressure implantation step 3) described in carbon fiber plate intermediate course, with institute in carbon fiber plate
The material for stating intermediate course is combined, Guan Bi mould die cavity, and the intermediate course of the carbon fiber plate is foam；
4) cooling shaping, takes out product, obtains notebook computer casing, the time of the cooling is 15~20s, after the cooling
Temperature be 50~60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307537.6A CN106945230A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation technology of notebook computer casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307537.6A CN106945230A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation technology of notebook computer casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106945230A true CN106945230A (en) | 2017-07-14 |
Family
ID=59478068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710307537.6A Pending CN106945230A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation technology of notebook computer casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106945230A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147233A1 (en) * | 2019-01-18 | 2020-07-23 | 汉达精密电子(昆山)有限公司 | Laptop computer housing and fabrication method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929989A (en) * | 2004-03-05 | 2007-03-14 | 拜尔材料科学股份公司 | Composite component |
| CN102378505A (en) * | 2010-08-09 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Electrical apparatus shell and manufacture method thereof |
| CN104985745A (en) * | 2015-06-08 | 2015-10-21 | 上海电机学院 | Carbon fiber plate flatness correction method for top panel of laptop |
| WO2016007743A1 (en) * | 2014-07-09 | 2016-01-14 | Sabic Global Technologies B.V. | In mold decoration of a film laminated substrate |
| CN105774067A (en) * | 2014-10-21 | 2016-07-20 | 联想(北京)有限公司 | Composite panel, electronic equipment and manufacturing method of part of composite panel |
-
2017
- 2017-05-04 CN CN201710307537.6A patent/CN106945230A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929989A (en) * | 2004-03-05 | 2007-03-14 | 拜尔材料科学股份公司 | Composite component |
| CN102378505A (en) * | 2010-08-09 | 2012-03-14 | 富泰华工业（深圳）有限公司 | Electrical apparatus shell and manufacture method thereof |
| WO2016007743A1 (en) * | 2014-07-09 | 2016-01-14 | Sabic Global Technologies B.V. | In mold decoration of a film laminated substrate |
| CN105774067A (en) * | 2014-10-21 | 2016-07-20 | 联想(北京)有限公司 | Composite panel, electronic equipment and manufacturing method of part of composite panel |
| CN104985745A (en) * | 2015-06-08 | 2015-10-21 | 上海电机学院 | Carbon fiber plate flatness correction method for top panel of laptop |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147233A1 (en) * | 2019-01-18 | 2020-07-23 | 汉达精密电子(昆山)有限公司 | Laptop computer housing and fabrication method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104759587B (en) | A kind of hot investment casting wax-pattern material and preparation method thereof | |
| US10772368B2 (en) | Method and apparatus for manufacturing a silica gel glove | |
| CN109455912A (en) | A kind of 3D bend glass manufacturing method | |
| CN105859111A (en) | Curved-surface glass preparation method and processing device thereof | |
| CN106945230A (en) | A kind of preparation technology of notebook computer casing | |
| CN101323197A (en) | Preparation technique of silica-gel plate | |
| CN107866948A (en) | A kind of heat automatic cycle Application way of injection mold | |
| CN205473354U (en) | Curved surface glass processing device | |
| CN207560123U (en) | A kind of cooling and insulating glass mobile phone shell | |
| TWI620653B (en) | A method for producing a rapid tooling with reinforcement structure | |
| CN106393559A (en) | Specular no-mark injection molding process | |
| CN203185601U (en) | Head cooling structure of hot runner of die | |
| WO1987004315A1 (en) | Transfer material for printed circuit board and printed circuit board prepared using said transfer material and process for preparation thereof | |
| CN205326159U (en) | Hot runner structure with radiation shield casing | |
| CN207337283U (en) | A kind of notebook cover | |
| CN111805831A (en) | Spraying-free injection molding method for mobile phone shell internally tangent to mechanical die | |
| CN206561092U (en) | A kind of wax part thawing apparatus | |
| CN207619502U (en) | A kind of welding tin layers shaping furnace | |
| CN207549305U (en) | A kind of food tray band mold insert injection mold | |
| CN104357707A (en) | Novel copper alloy and preparation method thereof | |
| TW201828847A (en) | Combination of a mold for a sole and manufacturing method thereof | |
| CN109634354A (en) | A kind of notebook cover and its manufacturing method | |
| CN105837050B (en) | Glass re-shaping process | |
| CN107415137A (en) | A kind of preparation technology of notebook host bonnet | |
| CN207523000U (en) | A kind of backheat coil die temperance control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170714 |