CN104608335A - Injection mold of double-color bottle and manufacturing technology of double-color bottle - Google Patents
Injection mold of double-color bottle and manufacturing technology of double-color bottle Download PDFInfo
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- CN104608335A CN104608335A CN201510067756.2A CN201510067756A CN104608335A CN 104608335 A CN104608335 A CN 104608335A CN 201510067756 A CN201510067756 A CN 201510067756A CN 104608335 A CN104608335 A CN 104608335A
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Abstract
The invention relates to an injection mold, and aims to provide an injection mold of a double-color bottle, which is simple in structure and is good in bottle blank injection molding effect, as well as a manufacturing technology of the double-color bottle. The specific technical scheme is as follows: the injection mold of the double-color bottle comprises a primary mold and a secondary mold, wherein the primary mold is used for manufacturing the inner layer of the double-color bottle; a hot melt material of the inner layer of the double-color bottle is poured from a primary sprue gate; the hot melt material of the inner layer is poured from a primary sprue channel into a primary bottle blank mold, and is forced to be cooled down via a primary female mold cooling insert so as to form an outer layer bottle blank; the upper part of the formed outer layer bottle blank forms an outer thread end under the effect of a thread mold; the outer layer bottle blank formed in the primary mold is put into the secondary mold; the hot melt material of the outer layer of the double-color bottle is poured in from a secondary sprue gate; the hot melt material of the outer layer is poured from a secondary sprue channel into a forming mold of the inner layer bottle blank so as to form an inner layer bottle blank close to the outer layer bottle blank; the formed inner layer bottle blank is closely fit with the outer layer bottle blank; the injection mold is stable in structure, and is good in quality.
Description
Technical field
The present invention relates to a kind of injection mold, be specifically related to a kind of bottle embryo injection mold of double-colored bottle.
Background technology
Double-colored bottle is inside and outside two-layer different colours and the bottle of unlike material, traditional double-colored bottle in the mill, normally adopt modular manufacturing process, the double-colored bottle structure poor stability that assembly technique obtains, required manufacture is complicated, and manufacturing equipment is many, and the manufacturing time of each double-colored bottle is long, the double-colored bottle quality of gained is very different, and certified products are few.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and aims to provide a kind of structure simple, the double-colored bottle injection mold that the injection moulding of bottle embryo is effective.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of injection mold of double-colored bottle, comprise a mould and secondary mould, a described mould comprises and once moves top cover, one-time-shaped mould and a basal part, describedly once move the top that top cover is movably arranged on one-time-shaped mould, a basal part is movably arranged on the bottom of one-time-shaped mould, a mother module core and a male die core is comprised in described one-time-shaped mould, a described mother module core is vertically set on the middle part of a male die core, be fitted with a master mold in a described mother module core and enter son, a described master mold enters in son to be vertically fitted with a master mold and cools into son, a described mother module core and a male die core combine formation blank bottle mold, be provided with a slide block in described one-time-shaped mould and enter son and a slide block shovel base, a described slide block enters son and the side of a blank bottle mold is provided with die, a described slide block enters son and is synchronized with the movement under the drive of a slide block shovel base, the described central part once moving top cover is provided with once-cast mouth, be connected by once-cast passage between described once-cast mouth with a blank bottle mold.
Top cover, for the manufacture of the internal layer of double-colored bottle, when operating, to cover on one-time-shaped mould and by many bolt-lockings by mould, and slide block shovel base promotes slide block and enters son and to be placed in a blank bottle mold and to lock.The hot melt material of double-colored bottle internal layer is poured into from once-cast mouth, internal layer hot melt material is from pouring into in a blank bottle mold in once-cast passage, internal layer hot melt material rises from top to bottom, and cool into son pressure cooling by a master mold, internal layer hot melt material cools, form the outer bottle embryo of bullet-shaped, the outer bottle embryo top of formation forms male end under the effect of die.
Described secondary mould comprises secondary and moves top cover, bottom post forming mould and secondary base, described secondary moves the top that top cover is movably arranged on post forming mould, the bottom of post forming mould is movably arranged on bottom secondary base, secondary mother module core and secondary male die core is comprised in described post forming mould, described secondary mother module core is vertically set on the middle part of secondary male die core, be fitted with secondary master mold in described secondary mother module core and enter son, described secondary master mold enters in son to be vertically fitted with secondary master mold and cools into son, described secondary mother module core and secondary male die core are combined and are formed secondary blank bottle mold, a blank bottle mold is placed in the mould forming pourable outer mould in secondary blank bottle mold, be provided with secondary slide block in described post forming mould and enter son, secondary slide block shovel base and sliding block inclined guide pillar, described sliding block inclined guide pillar is arranged on secondary slide block and enters son and secondary slide block shovels between base, described secondary slide block enter son secondary slide block shovel base and sliding block inclined guide pillar drive under be synchronized with the movement, the central part that described secondary moves top cover is provided with second pouring mouth, described second pouring mouth is connected by second pouring passage with between secondary blank bottle mold.
The outer bottle embryo formed in one-time-shaped mould is placed in post forming mould, secondary top cover to be covered on post forming mould and by many bolt-lockings, secondary slide block shovel base and sliding block inclined guide pillar jointly promote slide block and enter son and to be placed in secondary blank bottle mold and to lock, the inwall close contact of outer bottle embryo and post forming mould, outer bottle embryo and secondary master mold enter the mould forming internal layer bottle embryo between son, outer field for double-colored bottle hot melt material is poured into from second pouring mouth, outer hot melt material is from pouring into the mould of internal layer bottle embryo in second pouring passage, outer hot melt material rises from top to bottom, and cool into son pressure cooling by secondary master mold, outer hot melt material cooling, form the internal layer bottle embryo being close to outer bottle embryo.The internal layer bottle embryo formed and outer bottle embryo fit tightly, and Stability Analysis of Structures, quality is good, and the material of outer bottle embryo is transparent glass material, and the material of internal layer bottle embryo is the material of other colors, and internal layer bottle embryo can be corrosion resistant material, as the material of drug resistance.
Wherein, the described top cover that once moves is movably connected on one-time-shaped mould by many bolts, easy accessibility.
Wherein, the described central part once moving top cover is provided with once-cast mould, and described once-cast mouth is arranged on once-cast mould, and once-cast mould is covered at the first movable top by bolt locking.
Wherein, a described master mold cools son and enters in son for being placed in a master mold in the shape of a spiral, forces cooling evenly, good cooling results.
Wherein, described secondary moves top cover and is movably connected on post forming mould by many bolts, easy accessibility.
Wherein, the central part that described secondary moves top cover is provided with second pouring mould, and described second pouring mouth is arranged on second pouring mould, and described second pouring mould is covered at secondary movable top by bolt locking.
Wherein, described secondary master mold cools son and enters in son for being placed in secondary master mold in the shape of a spiral, forces cooling evenly, good cooling results.
For the manufacturing process of obtained double-colored bottle, it is characterized in that, concrete operation step is as follows:
A, the injection moulding of outer bottle embryo: a mould is ready to, once will move top cover to cover on one-time-shaped mould and to lock, manipulate slide block shovel base a slide block is entered son to head into, form the mold cavity for outer bottle embryo of casting, and the once-cast mouth of the hot melt material of outer bottle embryo from a mould is poured into, outer bottle embryo cools in a mould, forms the outer bottle embryo of double-colored bottle, and the upper end of outer bottle embryo forms the end of thread.
B, the injection moulding of internal layer bottle embryo: a mould is unclamped and takes out outer bottle embryo, outer bottle embryo is placed in secondary mould, the inwall of outer bottle embryo and secondary mould is combined closely, outer bottle embryo and secondary master mold enter the mould formed between son for the manufacture of internal layer bottle embryo, the hot melt material of internal layer bottle embryo is poured into a mould in second pouring mouth, form the internal layer bottle embryo being close to outer bottle embryo, ectonexine bottle embryonic knob closes closely, Stability Analysis of Structures.
C, blow molding: the double-colored bottle embryo after shaping is placed in dual-color forming machine, double-colored bottle embryo is heated, and make double-colored bottle by blowing, the material of outer bottle embryo is transparent glass material, the material of internal layer bottle embryo is the material of other colors, and internal layer bottle embryo can be corrosion resistant material, bottle good looking appearance, the internal layer of bottle is corrosion-resistant, very practical.
The present invention compared with prior art has following beneficial effect: the double-colored bottle bottle embryo obtained by the present invention, internal layer bottle embryo and outer bottle embryo fit tightly, Stability Analysis of Structures, quality is good, and the material of outer bottle embryo is transparent glass material, and the material of internal layer bottle embryo is the material of other colors, internal layer bottle embryo can be corrosion resistant material, bottle good looking appearance, the internal layer of bottle is corrosion-resistant, very practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of the present invention's mould.
Fig. 2 is the structural representation of secondary mould of the present invention.
Fig. 3 is the internal structure schematic diagram of gained bottle of the present invention.
In figure: 1 is a mould, 2 is secondary mould, 3 for once to move top cover, 4 is one-time-shaped mould, 5 is a basal part, 6 is a mother module core, 7 is a male die core, 8 is that a master mold enters son, 9 is that a master mold cools into son, 10 is a blank bottle mold, 11 is that a slide block enters son, 12 is a slide block shovel base, 13 is die, 14 is once-cast mouth, 15 is once-cast passage, 16 move top cover for secondary, 17 is post forming mould, 18 is bottom secondary base, 19 is secondary mother module core, 20 is secondary male die core, 21 enter son for secondary master mold, 22 cool into son for secondary master mold, 23 is secondary blank bottle mold, 24 enter son for secondary slide block, 25 is secondary slide block shovel base, 26 is sliding block inclined guide pillar, 27 is second pouring mouth, 28 is second pouring passage.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation, and accompanying drawing is the schematic diagram simplified, and only basic structure of the present invention is described in a schematic way, therefore it only shows the formation relevant with the present invention.
As Figure 1-3, double-colored bottle injection mold, comprise a mould 1 and secondary mould 2, a described mould 1 comprises and once moves top cover 3, one-time-shaped mould 4 and a basal part 5, describedly once move the top that top cover 3 is movably arranged on one-time-shaped mould 4, a basal part 5 is movably arranged on the bottom of one-time-shaped mould 4, a mother module core 6 and a male die core 7 is comprised in described one-time-shaped mould 4, a described mother module core 6 is vertically set on the middle part of a male die core 7, be fitted with a master mold in a described mother module core 6 and enter son 8, a described master mold enters in son 8 to be vertically fitted with a master mold and cools into son 9, a described mother module core 6 and a male die core 7 combine formation blank bottle mold 10, be provided with a slide block in described one-time-shaped mould 4 and enter son 11 and a slide block shovel base 12, a described slide block enters son 11 and the side of a blank bottle mold 10 is provided with die 13, a described slide block enters son 11 and is synchronized with the movement under the drive of a slide block shovel base 12, the described central part once moving top cover 3 is provided with once-cast mouth 14, be connected by once-cast passage 15 between described once-cast mouth 14 with a blank bottle mold 10.
Top cover, for the manufacture of the internal layer of double-colored bottle, when operating, to cover on one-time-shaped mould 4 and by many bolt-lockings by mould 1, and slide block shovel base 12 promotes slide block and enters son and to be placed in a blank bottle mold 10 and to lock.The hot melt material of double-colored bottle internal layer is poured into from once-cast mouth 14, internal layer hot melt material is from perfusion in once-cast passage 15 in a blank bottle mold 10, internal layer hot melt material rises from top to bottom, and cool into son 9 pressure cooling by a master mold, internal layer hot melt material cools, form the outer bottle embryo of bullet-shaped, the outer bottle embryo top of formation forms male end under the effect of die 13.
Described secondary mould 2 comprises secondary and moves top cover 16, bottom post forming mould 17 and secondary base 18, described secondary moves the top that top cover 16 is movably arranged on post forming mould 17, 18 bottoms being movably arranged on post forming mould 17 bottom secondary base, secondary mother module core 19 and secondary male die core 20 is comprised in described post forming mould 17, described secondary mother module core 19 is vertically set on the middle part of secondary male die core 20, be fitted with secondary master mold in described secondary mother module core 19 and enter son 21, described secondary master mold enters in son 21 to be vertically fitted with secondary master mold and cools into son 22, described secondary mother module core 19 is combined with secondary male die core 20 and is formed secondary blank bottle mold 23, one time blank bottle mold 10 is placed in the mould forming pourable outer mould in secondary blank bottle mold 23, be provided with secondary slide block in described post forming mould 17 and enter son 24, secondary slide block shovel base 25 and sliding block inclined guide pillar 26, described sliding block inclined guide pillar 26 be arranged on secondary slide block enter son 24 and secondary slide block shovel between base 25, described secondary slide block enter son 24 secondary slide block shovel base 25 and sliding block inclined guide pillar 26 drive under be synchronized with the movement, the central part that described secondary moves top cover 16 is provided with second pouring mouth 27, described second pouring mouth 27 is connected by second pouring passage 28 with between secondary blank bottle mold 23.
The outer bottle embryo formed in one-time-shaped mould 4 is placed in post forming mould 17, secondary top cover to be covered on post forming mould 17 and by many bolt-lockings, secondary slide block shovel base 25 and sliding block inclined guide pillar 26 jointly promote slide block and enter son and to be placed in secondary blank bottle mold 23 and to lock, the inwall close contact of outer bottle embryo and post forming mould 17, outer bottle embryo and secondary master mold enter the mould forming internal layer bottle embryo between son 21, outer field for double-colored bottle hot melt material is poured into from second pouring mouth 27, outer hot melt material is from perfusion in second pouring passage 28 to the mould of internal layer bottle embryo, outer hot melt material rises from top to bottom, and cool into son 22 pressure cooling by secondary master mold, outer hot melt material cooling, form the internal layer bottle embryo being close to outer bottle embryo.The internal layer bottle embryo formed and outer bottle embryo fit tightly, and Stability Analysis of Structures, quality is good, and the material of outer bottle embryo is transparent glass material, and the material of internal layer bottle embryo is the material of other colors, and internal layer bottle embryo can be corrosion resistant material, as the material of drug resistance.
Wherein, the described top cover 3 that once moves is movably connected on one-time-shaped mould 4 by many bolts, easy accessibility.
Wherein, the described central part once moving top cover 3 is provided with once-cast mould, and described once-cast mouth 14 is arranged on once-cast mould.
Wherein, a described master mold cools son 9 and enters in son 8 for being placed in a master mold in the shape of a spiral, forces cooling evenly, good cooling results.
Wherein, described secondary moves top cover 16 and is movably connected on post forming mould 17 by many bolts, easy accessibility.
Wherein, the central part that described secondary moves top cover 16 is provided with second pouring mould, and described second pouring mouth 27 is arranged on second pouring mould.
Wherein, described secondary master mold cools son 22 and enters in son 21 for being placed in secondary master mold in the shape of a spiral, forces cooling evenly, good cooling results.
For the manufacturing process of obtained double-colored bottle, it is characterized in that, concrete operation step is as follows:
A, the injection moulding of outer bottle embryo: a mould 1 is ready to, once will move top cover 3 to cover on one-time-shaped mould 4 and to lock, manipulate slide block shovel base 12 slide block is entered son 1 to head into, form the mold cavity for outer bottle embryo of casting, and the once-cast mouth 14 of the hot melt material of outer bottle embryo from a mould 1 is poured into, outer bottle embryo cools in a mould 1, forms the outer bottle embryo of double-colored bottle, and the upper end of outer bottle embryo forms the end of thread.
B, the injection moulding of internal layer bottle embryo: a mould 1 is unclamped and takes out outer bottle embryo, outer bottle embryo is placed in secondary mould 2, the inwall of outer bottle embryo and secondary mould 2 is combined closely, outer bottle embryo and secondary master mold enter the mould formed between son 21 for the manufacture of internal layer bottle embryo, by the hot melt material of internal layer bottle embryo from cast in second pouring mouth 27, form the internal layer bottle embryo being close to outer bottle embryo, ectonexine bottle embryonic knob closes closely, Stability Analysis of Structures.
C, blow molding: the double-colored bottle embryo after shaping is placed in dual-color forming machine, double-colored bottle embryo is heated, and make double-colored bottle by blowing, the material of outer bottle embryo is transparent glass material, the material of internal layer bottle embryo is the material of other colors, and internal layer bottle embryo can be corrosion resistant material, bottle good looking appearance, the internal layer of bottle is corrosion-resistant, very practical.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (8)
1. the injection mold of a double-colored bottle, it is characterized in that, comprise a mould (1) and secondary mould (2), a described mould (1) comprises once moves top cover (3), one-time-shaped mould (4) and a basal part (5), describedly once move the top that top cover (3) is movably arranged on one-time-shaped mould (4), a basal part (5) is movably arranged on the bottom of one-time-shaped mould (4), a mother module core (6) and a male die core (7) is comprised in described one-time-shaped mould (4), a described mother module core (6) is vertically set on the middle part of a male die core (7), be fitted with a master mold in a described mother module core (6) and enter son (8), a described master mold enters in son (8) to be vertically fitted with a master mold and cools into son (9), a described mother module core (6) and a male die core (7) combine formation blank bottle mold (10), be provided with a slide block in described one-time-shaped mould (4) and enter son (11) and slide block shovel base (12), a described slide block enters son (11) and the side of a blank bottle mold (10) is provided with die (13), a described slide block enters son (11) and is synchronized with the movement under the drive of slide block shovel base (12), the described central part once moving top cover (3) is provided with once-cast mouth (14), be connected by once-cast passage (15) between described once-cast mouth (14) with a blank bottle mold (10),
Described secondary mould (2) comprises secondary and moves top cover (16), bottom post forming mould (17) and secondary base (18), described secondary moves the top that top cover (16) is movably arranged on post forming mould (17), bottom secondary base, (18) are movably arranged on the bottom of post forming mould (17), secondary mother module core (19) and secondary male die core (20) is comprised in described post forming mould (17), described secondary mother module core (19) is vertically set on the middle part of secondary male die core (20), be fitted with secondary master mold in described secondary mother module core (19) and enter son (21), described secondary master mold enters in son (21) to be vertically fitted with secondary master mold and cools into son (22), described secondary mother module core (19) and secondary male die core (20) are combined and are formed secondary blank bottle mold (23), a blank bottle mold (10) is placed in the mould forming pourable outer mould in secondary blank bottle mold (23), be provided with secondary slide block in described post forming mould (17) and enter son (24), secondary slide block shovel base (25) and sliding block inclined guide pillar (26), described sliding block inclined guide pillar (26) is arranged on secondary slide block and enters son (24) and secondary slide block shovels between base (25), described secondary slide block enter son (24) secondary slide block shovel base (25) and sliding block inclined guide pillar (26) drive under be synchronized with the movement, the central part that described secondary moves top cover (16) is provided with second pouring mouth (27), described second pouring mouth (27) is connected by second pouring passage (28) with between secondary blank bottle mold (23).
2. the injection mold of a kind of double-colored bottle according to claim 1, is characterized in that, the described top cover (3) that once moves is movably connected on one-time-shaped mould (4) by many bolts.
3. the injection mold of a kind of double-colored bottle according to claim 2, is characterized in that, the described central part once moving top cover (3) is provided with once-cast mould, and described once-cast mouth (14) is arranged on once-cast mould.
4. the injection mold of a kind of double-colored bottle according to claim 3, is characterized in that, a described master mold cools son (9) and enters in son (8) for being placed in a master mold in the shape of a spiral.
5. the injection mold of a kind of double-colored bottle according to claim 1, is characterized in that, described secondary is moved top cover (16) and is movably connected on post forming mould (17) by many bolts.
6. the injection mold of a kind of double-colored bottle according to claim 5, is characterized in that, the central part that described secondary moves top cover (16) is provided with second pouring mould, and described second pouring mouth (27) is arranged on second pouring mould.
7. double-colored bottle injection mold according to claim 6, is characterized in that, described secondary master mold cools son (22) and enters in son (21) for being placed in secondary master mold in the shape of a spiral.
8. the manufacturing process of double-colored bottle, is characterized in that, concrete operation step is as follows:
A, the injection moulding of outer bottle embryo: a mould (1) is ready to, and the once-cast mouth (14) of the hot melt material of outer bottle embryo from a mould (1) is poured into, outer bottle embryo cools in a mould (1), form the outer bottle embryo of double-colored bottle, the upper end of outer bottle embryo forms the end of thread;
B, the injection moulding of internal layer bottle embryo: a mould (1) is unclamped and taken out outer bottle embryo, outer bottle embryo is placed in secondary mould (2), the inwall of outer bottle embryo and secondary mould (2) is combined closely, outer bottle embryo and secondary master mold enter the mould formed between son (21) for the manufacture of internal layer bottle embryo, by the cast in second pouring mouth (27) of the hot melt material of internal layer bottle embryo, form the internal layer bottle embryo being close to outer bottle embryo;
C, blow molding: the double-colored bottle embryo after shaping is placed in dual-color forming machine, double-colored bottle embryo is heated, and makes double-colored bottle by blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067756.2A CN104608335B (en) | 2015-02-09 | 2015-02-09 | Injection mold of double-color bottle and manufacturing process of double-color bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067756.2A CN104608335B (en) | 2015-02-09 | 2015-02-09 | Injection mold of double-color bottle and manufacturing process of double-color bottle |
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| Publication Number | Publication Date |
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| CN104608335A true CN104608335A (en) | 2015-05-13 |
| CN104608335B CN104608335B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510067756.2A Active CN104608335B (en) | 2015-02-09 | 2015-02-09 | Injection mold of double-color bottle and manufacturing process of double-color bottle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106079296A (en) * | 2016-07-06 | 2016-11-09 | 健大电业制品（昆山）有限公司 | A kind of mould with screw thread core pulling mechanism |
| CN107953515A (en) * | 2017-11-16 | 2018-04-24 | 深圳市优创兴电子科技有限公司 | Liquid-state silicon gel in-mould injection molding die |
| CN112976466A (en) * | 2021-02-20 | 2021-06-18 | 重庆川龙电子有限公司 | Rotating structure for injection molding double-color machine and using method thereof |
| CN114517859A (en) * | 2022-03-02 | 2022-05-20 | 山东欧森管道科技有限公司 | Composite material and material coating, pipe and preparation method thereof in heavy salt environment |
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| CN1578731A (en) * | 2001-11-01 | 2005-02-09 | 吴羽化学工业株式会社 | Multilayer bottle and process for its production |
| CN101376259A (en) * | 2007-09-01 | 2009-03-04 | 徐跃 | Injecting molding die for double layer bottle blank |
| CN101790447A (en) * | 2007-04-11 | 2010-07-28 | 莫尔马萨应用技术公司 | Mould and method for manufacturing double-layered preforms by overmoulding, and double-layer preform |
| CN204451088U (en) * | 2015-02-09 | 2015-07-08 | 扬州吉山津田光电科技有限公司 | Double-colored bottle injection mold |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1578731A (en) * | 2001-11-01 | 2005-02-09 | 吴羽化学工业株式会社 | Multilayer bottle and process for its production |
| CN101790447A (en) * | 2007-04-11 | 2010-07-28 | 莫尔马萨应用技术公司 | Mould and method for manufacturing double-layered preforms by overmoulding, and double-layer preform |
| CN101376259A (en) * | 2007-09-01 | 2009-03-04 | 徐跃 | Injecting molding die for double layer bottle blank |
| CN204451088U (en) * | 2015-02-09 | 2015-07-08 | 扬州吉山津田光电科技有限公司 | Double-colored bottle injection mold |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079296A (en) * | 2016-07-06 | 2016-11-09 | 健大电业制品（昆山）有限公司 | A kind of mould with screw thread core pulling mechanism |
| CN107953515A (en) * | 2017-11-16 | 2018-04-24 | 深圳市优创兴电子科技有限公司 | Liquid-state silicon gel in-mould injection molding die |
| CN112976466A (en) * | 2021-02-20 | 2021-06-18 | 重庆川龙电子有限公司 | Rotating structure for injection molding double-color machine and using method thereof |
| CN114517859A (en) * | 2022-03-02 | 2022-05-20 | 山东欧森管道科技有限公司 | Composite material and material coating, pipe and preparation method thereof in heavy salt environment |
| CN114517859B (en) * | 2022-03-02 | 2024-03-26 | 山东欧森管道科技有限公司 | Composite material, material coating, pipe and preparation method thereof under heavy salt environment |
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|---|---|
| CN104608335B (en) | 2020-04-21 |
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