CN112519097A - IML injection molding process suitable for cylindrical product and IML injection molding product - Google Patents
IML injection molding process suitable for cylindrical product and IML injection molding product Download PDFInfo
- Publication number
- CN112519097A CN112519097A CN202011393118.7A CN202011393118A CN112519097A CN 112519097 A CN112519097 A CN 112519097A CN 202011393118 A CN202011393118 A CN 202011393118A CN 112519097 A CN112519097 A CN 112519097A
- Authority
- CN
- China
- Prior art keywords
- cavity
- pet sheet
- injection molding
- iml
- product
- 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
- 238000001746 injection moulding Methods 0.000 title claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 18
- 238000007639 printing Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 9
- 239000012467 final product Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 38
- 239000000976 ink Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 2
- -1 electroplating Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- B29C45/1418—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 inserts being deformed or preformed, e.g. by the injection 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
- 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
-
- 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
- B29C45/40—Removing or ejecting moulded articles
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/1418—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 inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—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 inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an IML injection molding process suitable for a cylindrical product and the IML injection molding product, wherein the IML injection molding process comprises the following steps: attaching a layer of surface protection film on one side surface of the PET sheet, and then punching and molding the PET sheet; printing ink and glue on the other side surface of the PET sheet in sequence, enabling a glue layer to face inwards and a surface protection film to face outwards, rolling the PET sheet into a cylinder, and placing the cylinder into a cavity of an IML injection mold; injecting a plastic material into the cavity to form a cylindrical main body, tightly combining the cylindrical main body with the PET sheet through a glue layer, and completing injection molding; demoulding at 0 degree, relative inclination is not generated between the inner and outer circumferential surfaces of the cylindrical product and the surface of the cavity of the IML injection mould, and the inner and outer circumferential surfaces are pulled out to demould along the surface of the cavity. According to the invention, the printing ink is printed on the PET sheet, so that rich and colorful patterns are attached to the surface of the product, the design is simple and rapid to change, the internal and external demolding angles of the product are both 0 degree, and the surface of the product cannot be scratched or dragged.
Description
Technical Field
The invention relates to an improvement of an IML/IMD injection molding process.
Background
The appearance of the circular or oval tubular product on the market at present adopts common appearance processes such as oil injection, electroplating, water transfer printing and the like, the surface color is single and monotonous, the diversity is absent, and the ever-increasing personalized requirements can not be met; and the existing IML injection molding process has a certain mold stripping angle when a cylindrical product is demoulded, can not meet the requirements of a plurality of structures and appearances, and has high reject ratio.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an IML injection molding process suitable for cylindrical products and an IML injection molding product.
The technical scheme adopted by the invention for solving the technical problems is as follows: an IML injection molding process suitable for cylindrical products comprises the following steps:
firstly, attaching a layer of surface protection film on one side surface of a PET sheet, and then punching and molding the PET sheet;
secondly, printing ink and glue on the surface of the other side of the PET sheet in sequence, enabling a glue layer to face inwards and a surface protection film to face outwards, rolling the PET sheet into a cylinder shape, and placing the cylinder shape into a cavity of an IML injection mold;
thirdly, injecting a plastic material into the cavity to form a cylindrical main body, tightly combining the cylindrical main body with the PET sheet through a glue layer, and completing injection molding;
and fourthly, demolding at 0 ℃, wherein the inner and outer circumferential surfaces of the cylindrical product and the cavity surface of the IML injection mold are not inclined relatively, and the inner and outer circumferential surfaces are pulled out and demolded along with the cavity surface.
And a fifth step of tearing off the surface protective film on the outermost side and machining to obtain a finished product.
The plastic material is an ABS material, a PC + ABS material or a PC material.
The IML injection mold comprises: the PET sheet is attached to the surface of the cavity, the rear die is installed at the bottom of the front die, the rear die covers the bottom end of the cavity, the front die insert is provided with a top cover and a sealing core which is inserted into the top end of the cavity in a sealing mode, the top cover is embedded in the upper surface of the front die, the rear die insert is provided with a base and a core which is fixedly arranged on the base, the core upwards penetrates through the rear die and is coaxially inserted into the cavity, the top end of the core is tightly abutted with the bottom end of the sealing core, the size of the core is the same as that of the inner circumferential surface of the tubular product, and a space defined by the cavity and the core is a cavity for injection molding.
The top of the front mold is provided with a sprue bushing which is funnel-shaped, and the bottom of the sprue bushing penetrates through the front mold insert through a pipeline to be communicated with the top of the cavity and used for injecting plastic materials into the cavity.
The inner parts of the front mold, the rear mold and the rear mold insert are respectively provided with an inner pipeline, and the outer end part of the inner pipeline is connected to a cooling water source through respective water pipe joints for cooling.
A convex positioning edge is reserved at one end of the PET sheet, a gap opening is reserved on the outer circumferential surface of the sealing core close to the bottom end, and when the PET sheet is filled into the cavity, the positioning edge is correspondingly inserted into the gap opening.
The technical scheme adopted by the invention for solving the technical problems is as follows: an IML injection molded product comprising: the PET sheet material comprises a cylindrical main body and a PET sheet material wrapped on the cylindrical main body, wherein the cylindrical main body and the PET sheet material are manufactured by adopting the IML injection molding process, a layer of surface protection film used for 0-degree demolding is attached to the outer surface of the PET sheet material, ink and glue are sequentially printed on the inner surface of the PET sheet material, and the cylindrical main body is tightly combined with the PET sheet material through a glue layer during injection molding.
The cylindrical main body is in a cylindrical shape with a circular or oval cross section.
A protruding positioning edge is reserved at one end of the PET sheet and used for positioning the PET sheet in a cavity of an IML injection mold during injection molding.
Compared with the prior art, the invention has the beneficial effects that:
compared with the oil injection, electroplating, water transfer printing and the like of the same type on the market at present, the process has the advantages that the pattern positioning is accurate, the color is bright, the pattern cannot be changed without limiting the process limitation, meanwhile, the design is simple, fast and time-saving, and the process is suitable for mass production, rich and colorful patterns are adhered to the surface of a product through printing ink on a PET sheet, and the patterns can be complicated, changeable and colorful;
the inner and outer mold stripping angles of the product are 0 degree, the surface of the product cannot be pulled, dragged and stripped, the yield of the product is increased, and the quality is ensured.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced, wherein:
FIG. 1 is a schematic structural view of a PET sheet according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the layer structure of an IML injection molded product according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating the operation of tearing the surface protection film according to the preferred embodiment of the present invention;
FIG. 4 is a first structural diagram of an IML injection mold according to a preferred embodiment of the present invention;
FIG. 5 is a second schematic structural diagram of an IML injection mold according to a preferred embodiment of the present invention;
FIG. 6 is a schematic view of the interior of an IML injection mold according to a preferred embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for clarity of description only, and are not used to limit the scope of the invention, and the relative relationship between the terms and the terms is not changed or modified substantially without changing the technical content of the invention.
Referring to fig. 1 to 3, an IML injection molding process for a cylindrical product according to a preferred embodiment of the present invention mainly includes the following steps:
firstly, attaching a layer of surface protection film 3 on one side surface of a PET sheet 2, and then punching and forming the PET sheet 2, wherein the process is particularly suitable for cylindrical products with round or oval cross sections, so that the PET sheet needs to be punched to be rectangular or square;
a convex positioning edge 21 is reserved at one end of the PET sheet 2 and is used for positioning the PET sheet 2 in a cavity of an IML injection mold during injection molding;
the surface protection film 3 is also made of PET material and is a PET protection film;
secondly, printing ink and glue on the surface of the other side of the PET sheet 2 in sequence, enabling a glue layer to face inwards and a surface protection film 3 to face outwards, rolling the PET sheet 2 into a cylinder shape, placing the cylinder into a cavity of an IML injection mold, matching and clamping the positioning edge 21 and the corresponding position in the cavity, and performing mold closing and injection molding;
referring to fig. 4 to 6, the IML injection mold may include: the front mold 01 and the rear mold 02 which are butted with the outer circumference surface of the cylindrical product A and the front mold insert and the rear mold insert which are butted with the inner circumference surface of the cylindrical product A are arranged, the front mold 01 and the rear mold 02 form a contour mold of the cylindrical product A, the front mold insert and the rear mold insert form an inner core mold of the cylindrical product A, and a space enclosed between the inner core mold and the contour mold is a cavity for injection molding; more specifically, the front mold 01 is rectangular, a cavity with the same size as the outer circumferential surface of the tubular product a is vertically arranged in the front mold 01 in a penetrating manner, the PET sheet 02 is attached to the surface of the cavity of the front mold 01, the rear mold 02 is arranged at the bottom of the front mold 01, the rear mold 02 covers the bottom end of the cavity, the top end of the cavity is covered by the front mold insert, the front mold insert is provided with a top cover 031 and a sealing core 032 which is inserted into the top end of the cavity in a sealing manner to a certain depth, the top cover 031 is embedded in the upper surface of the front mold 01 to play a role in positioning and installation, and the sealing core; the rear mold insert is provided with a base 041 and a mold core 042 fixedly arranged on the base 041, the base 041 is arranged at the bottom of the rear mold 02, the mold core 042 upwards penetrates through the rear mold 02 and is coaxially inserted into the cavity, the top end of the mold core 042 is tightly abutted with the bottom end of the sealing core 032, the mold core 042 and the sealing core 032 also keep concentric, the cross-sectional area of the mold core 042 is smaller than that of the sealing core 032, the size of the mold core 042 is the same as that of the inner circumferential surface of the cylindrical product A, and a space enclosed between the cavity and the mold core 042 is a mold cavity for injection molding; the top of the front mold 01 is also provided with a sprue bush 05, the sprue bush 05 is funnel-shaped, and the bottom of the sprue bush 05 is communicated with the top of the mold cavity through a pipeline and is used for injecting plastic materials into the mold cavity; inner pipelines are respectively arranged in the front mold 01, the rear mold 02 and the rear mold insert, and the outer end part of each inner pipeline is connected to a cooling water source through a water pipe joint 06, so that the front mold 01, the rear mold 02 and the rear mold insert are cooled, and the mold opening is convenient; a gap opening 033 is reserved on the outer circumferential surface of the sealing core 032 close to the bottom end, and when the PET sheet 2 is loaded, the positioning edge 21 is correspondingly inserted into the gap opening 033 to realize positioning;
thirdly, injecting a plastic material into the IML injection mold cavity through a sprue bushing to form a cylindrical main body 1, and tightly combining the cylindrical main body 1 with the PET sheet 2 through a glue layer to complete injection molding;
the plastic material can be ABS material, PC + ABS material or PC material, etc.;
fourthly, opening the mold and demolding at 0 degree;
and (3) demolding at the temperature of 0 degree: the rear mold and the rear mold insert drive the cylindrical product to separate from the front mold, at the moment, the outer circumferential surface of the cylindrical product and the cavity surface of the front mold do not incline relatively, namely 0 degree, the outer circumferential surface is pulled out to separate from the front mold by being attached to the cavity surface, then the rear mold is removed, the inner circumferential surface of the cylindrical product and the surface of the rear mold insert do not incline relatively, namely 0 degree, and the inner circumferential surface is pulled out to separate from the rear mold by being attached to the cavity surface;
because the surface of the outermost PET sheet is provided with the surface protective film 3, the surface of a product cannot be scratched or dragged or cannot be demoulded when demoulding is carried out at 0 ℃;
fifthly, tearing off the surface protective film 3 at the outermost side to obtain an injection molding product; and then, according to different practical conditions, the machining such as cutting, CNC machining and the like can be carried out to obtain a final required finished product.
The injection molding process is particularly suitable for cylindrical products with round or oval cross sections, and is not suitable for injection molding products with planes, various curved surfaces or other irregular shapes.
Referring to fig. 1 to 2, an IML injection molded product suitable for a cylindrical product according to a preferred embodiment of the present invention mainly includes: the PET film comprises a cylindrical main body 1 and a PET sheet 2 wrapped on the outer circumferential surface of the cylindrical main body, wherein the cylindrical main body 1 and the PET sheet 2 are manufactured by adopting the IML injection molding process, and a surface protection film 3 for demoulding at 0 ℃ in the IML injection molding process is attached to the outer surface of the PET sheet 2.
The inner surface of the PET sheet 2 is sequentially printed with ink and glue, and the cylindrical main body is tightly combined with the PET sheet through a glue layer during injection molding.
A protruding positioning edge 21 is reserved at one end of the PET sheet 2, and the PET sheet 2 is positioned in a cavity of an IML injection mold during injection molding and is matched with the corresponding position in the cavity.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any indirect modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention by those skilled in the art are within the technical scope of the present invention.
Claims (10)
1. An IML injection molding process suitable for cylindrical products is characterized by comprising the following steps:
firstly, attaching a layer of surface protection film on one side surface of a PET sheet, and then punching and molding the PET sheet;
secondly, printing ink and glue on the surface of the other side of the PET sheet in sequence, enabling a glue layer to face inwards and a surface protection film to face outwards, rolling the PET sheet into a cylinder shape, and placing the cylinder shape into a cavity of an IML injection mold;
thirdly, injecting a plastic material into the cavity to form a cylindrical main body, tightly combining the cylindrical main body with the PET sheet through a glue layer, and completing injection molding;
and fourthly, demolding at 0 ℃, wherein the inner and outer circumferential surfaces of the cylindrical product and the cavity surface of the IML injection mold are not inclined relatively, and the inner and outer circumferential surfaces are pulled out and demolded along with the cavity surface.
2. The IML process of claim 1, further comprising a fifth step of tearing off the outermost surface protection film and machining to obtain a final product.
3. The IML injection molding process for cylindrical products according to claim 1 or 2, wherein the plastic material is ABS material, PC + ABS material or PC material.
4. An IML injection molding process for tubular products according to claim 1 or 2, wherein the IML injection mold comprises: the PET sheet is attached to the surface of the cavity, the rear die is installed at the bottom of the front die, the rear die covers the bottom end of the cavity, the front die insert is provided with a top cover and a sealing core which is inserted into the top end of the cavity in a sealing mode, the top cover is embedded in the upper surface of the front die, the rear die insert is provided with a base and a core which is fixedly arranged on the base, the core upwards penetrates through the rear die and is coaxially inserted into the cavity, the top end of the core is tightly abutted with the bottom end of the sealing core, the size of the core is the same as that of the inner circumferential surface of the tubular product, and a space defined by the cavity and the core is a cavity for injection molding.
5. The IML process of claim 4, wherein the top of the front mold is provided with a sprue bushing, the sprue bushing is funnel-shaped, and the bottom of the sprue bushing is communicated with the top of the cavity through the front mold insert by a pipeline for injecting the plastic material into the cavity.
6. The IML injection molding process suitable for tubular products according to claim 4, wherein the front mold, the rear mold and the rear mold insert are respectively provided with an inner pipeline inside, and the outer end part of the inner pipeline is connected to a cooling water source through respective water pipe joints for cooling.
7. The IML process of claim 4, wherein the PET sheet has a protruding positioning edge at one end, the sealing core has a slit notch on its outer circumference near the bottom end, and the positioning edge is inserted into the slit notch when the PET sheet is loaded into the cavity.
8. An IML injection molded product, comprising: the cylindrical body and the PET sheet are manufactured by adopting the IML injection molding process according to any one of claims 1 to 7, a surface protective film for 0-degree demolding is attached to the outer surface of the PET sheet, ink and glue are sequentially printed on the inner surface of the PET sheet, and the cylindrical body is tightly combined with the PET sheet through the glue layer during injection molding.
9. An IML injection molded product according to claim 8, wherein the cylindrical body has a cylindrical shape with a circular or elliptical cross-section.
10. An IML injection molded product according to claim 8, wherein a protruding positioning rim is left at one end of the PET sheet for positioning the PET sheet in the cavity of the IML injection mold during injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393118.7A CN112519097A (en) | 2020-12-01 | 2020-12-01 | IML injection molding process suitable for cylindrical product and IML injection molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393118.7A CN112519097A (en) | 2020-12-01 | 2020-12-01 | IML injection molding process suitable for cylindrical product and IML injection molding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112519097A true CN112519097A (en) | 2021-03-19 |
Family
ID=74996317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011393118.7A Pending CN112519097A (en) | 2020-12-01 | 2020-12-01 | IML injection molding process suitable for cylindrical product and IML injection molding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112519097A (en) |
-
2020
- 2020-12-01 CN CN202011393118.7A patent/CN112519097A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5705112A (en) | Procedure for the production of an assembled object | |
| US3943219A (en) | Injection blow molding method for producing double layered hollow article | |
| CN110587909B (en) | In-mold injection molding method for curved surface window | |
| CN101837622A (en) | Injection moulding device and injection moulding method and prepared circular ring plastic product | |
| CN102689393A (en) | In-mold molded product, in-mold molding film, and method for producing in-mold molded product | |
| CN102712127A (en) | Method of forming thermoplastic article | |
| CN106808650A (en) | Injection molding machine and surface decoration mold used for the same | |
| CN104339531A (en) | Double-shot molding method of inserts | |
| CN101954703A (en) | Injection molding method for in-mold ornament | |
| EP0655304B1 (en) | Method for producing a skin-integrated laminate and mold device used thereof | |
| CN105619692B (en) | A kind of turntable type bicolor injection mould and its Shooting Technique with decorative membrance | |
| CN112519097A (en) | IML injection molding process suitable for cylindrical product and IML injection molding product | |
| CN214026831U (en) | IML injection product and IML injection mold suitable for tube-shape product | |
| CN102529098A (en) | Method for manufacturing vehicle sign by in-mold decoration technology | |
| CN104972599A (en) | Injection molding technology of lampshade | |
| CN1105929A (en) | production method and device of safety helmet | |
| CN106808643A (en) | Injection molding method and molded article produced by the method | |
| CN201960705U (en) | In-mold-decoration (IMD) dual-color injection molding mold | |
| CN106313377A (en) | Preparation method of slush molding mold | |
| CN203472070U (en) | Double-sided decorative in-mould injection mould | |
| CN210463729U (en) | 3D full-curved surface refrigerator door body | |
| CN209365200U (en) | Mold and imitative metal tea can | |
| CN212241861U (en) | Mould structure that facade product IMR rendition was moulded plastics | |
| CN101474848A (en) | Injection mould product in-mould printing molding equipment | |
| CN219968662U (en) | Injection mold of IML product |
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 |