CN102909829B - Full hot runner forming die for injector outer sheath - Google Patents
Full hot runner forming die for injector outer sheath Download PDFInfo
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- CN102909829B CN102909829B CN201210417692.0A CN201210417692A CN102909829B CN 102909829 B CN102909829 B CN 102909829B CN 201210417692 A CN201210417692 A CN 201210417692A CN 102909829 B CN102909829 B CN 102909829B
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- 102000010637 Aquaporins Human genes 0.000 claims abstract description 58
- 108010063290 Aquaporins Proteins 0.000 claims abstract description 58
- 239000000498 cooling water Substances 0.000 claims abstract description 51
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000002788 crimping Methods 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000465 moulding Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 4
- 239000011347 resin Substances 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 abstract description 9
- 206010009839 Coeliac disease Diseases 0.000 abstract 2
- 229920002369 HOTTIP Polymers 0.000 abstract 2
- 206010025476 Malabsorption Diseases 0.000 abstract 2
- 239000007924 injection Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007766 curtain coating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 210000003128 Head Anatomy 0.000 description 1
- 230000001055 chewing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000018984 mastication Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The invention discloses a full hot runner forming die for an injector outer sheath. The full hot runner forming die comprises a hot runner plate, a hot runner splitter plate, a mold core, a mold core fixing plate, a hot runner body, a mold cavity plate, a mold cavity baffle plate and a tightening plate; a hot tip is arranged at the tail end of the hot runner body; the hot tip and sprues on an embedded sleeve of the mold cavity are arranged around the hot runner body or arranged at the two sides of the hot runner body; the mold cavity baffle plate is provided with a cooling device; the cooling device comprises a cooling water channel on the embedded sleeve of the mold cavity, a water channel connecting block and a mold cavity baffle plate water channel; the connecting block is provided with at least one water channel through hole; and the mold cavity baffle plate water channel is connected by the water channel through hole of the connecting block. According to the full hot runner forming die for the injector outer sheath, the annular cooling water channel is matched with the water channel connecting block on the mold cavity baffle plate; a problem the products are bent is solved on condition that the service life of forming die is guaranteed; and in addition, balanced flow of resin is guaranteed by the cooling device and pressure balance in the cooling hot runner and the external pressure balance of the die sprue are guaranteed as well for improving quality of products.
Description
Technical field
The invention belongs to mould applications, particularly the mould of the full hot runner molding of a kind of syringe jacket.
Background technology
Syringe is a kind of conventional disposable medical appliance, and the overcoat in syringe is one of topmost parts of syringe, in use, requires that overcoat is without bending.Because one of the design feature of these parts is that draw ratio is larger, namely the length of parts and the cross section diameter ratio of parts larger, for ensure overcoat without bending, crimping is straight, macromolecular material is when normally used manufacturing process-injection mo(u)lding, need along component axial direction Uniform Flow, this requirement needs the quantity of position and the cast gate placed by cast gate to realize.
For solving the problem of cast gate quantity, the overcoat production injection mold of current syringe adopts cold runner structure.The mould of cold runner all has cast gate to put the features such as flexible, the problem that goods are bending can be solved, but its longer runner, make the raw material heated before arrival mould gate, there is larger temperature drop, and need when making injection moulding to improve injection pressure, thus reduce the mold use life-span, therefore this is a kind of mode with exchanging flexibility die life for: as adopted the heating-up temperature improving raw material, then molding cycle must extend; The auxiliary equipment not only needing manipulator such of taking of regrinding-material, also extends the shaping cycle; If with manually taking, then must produce under automanual pattern, not only increase producers, the quality of product is unstable, also easily produces human safety issues.
Full hot flow path is because of in whole injection cycle, flow path portion is in heating always or remains on design temperature state, and its cast gate contacts with the direct of injection-molded item, thus without regrinding-material, injection pressure is also therefore much lower than the mould of cold runner, and in cold runner die, problems are all effectively solved because of the feature of hot flow path or improve.
Although full hot flow path has many advantages, its larger-size nozzle makes the quantity of cast gate and position put all be not as flexible as cold runner die; The position limitation of cast gate can cause resin flows uneven, and the product produced is easy to bending, even can not produce complete product.
Hot flow path is in heating or the condition of high temperature in setting in process of production all the time, and cast gate is longer with the product into contact time in a molding cycle, makes the temperature at product sprue place too high, is easy to produce injection defect.In die sinking to the matched moulds stage, the pressure in hot flow path is greater than the external pressure of mould gate, is easy to flow out from cast gate, can affects the production of next mould, even can cause the damage of mould by the resin heated.For this reason, before die sinking, cast gate place needs one deck can not seal cast gate by too thick film that can not be too thin, and these needs have a cooling system that can control cast gate temperature at cast gate place.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of syringe jacket full hot runner molding mould, and this mould is by the position of cast gate and the reasonable setting of cooling water channel, and shaping rear goods can not produce bending, can protect mould simultaneously.
For achieving the above object, the invention provides following technical scheme: the full hot runner molding mould of a kind of syringe jacket, comprises hot runner manifold, hot runner flow distribution plate, core, core fixing plate, hot flow path body, cavity plate, die cavity baffle plate and strangle plate.Described hot flow path body is embedded in cavity plate and die cavity baffle plate, is connected on hot runner flow distribution plate; Cavity plate is inlaid with die cavity bushing, on die cavity is bushing, offers overcoat die cavity; Core is fixed on core fixing plate, and through strangling plate strangles sleeve-board and cavity plate, die cavity baffle plate, extend into be embedded in cavity plate upper impression bushing in the die cavity offered; Arrange heat in hot flow path body tip to chew, the cast gate on bushing with die cavity is corresponding, it is characterized in that, described heat is chewed, and the cast gate on bushing with die cavity is arranged in the surrounding of hot flow path body in polygon mode or is arranged in the both sides of hot flow path body; Die cavity baffle plate is provided with cooling device, this cooling device comprise die cavity bushing on cooling water channel, water channel contiguous block and die cavity baffle plate water channel, and be arranged on above the bushing cast gate place of die cavity and the horizontal surrounding at cast gate place, cast gate fully can be cooled, reach product cast gate place without curtain coating; Contiguous block is at least arranged a watercourse through-hole, and die cavity baffle plate water channel is connected by the watercourse through-hole of contiguous block.
Do further design to the present invention: described cooling water channel comprises inlet channel, direct cooling water channel, annular cooling water road and water outlet, described annular cooling water road is placed in around the die cavity of crimping, contiguous all around through cast gate; Described direct cooling water channel is placed in the inside of the other and each Die and mould plate of overcoat die cavity, described inlet channel and water outlet is respectively provided with point opening of at least one, the port in described annular cooling water road respectively with divide an opening to be connected.
Further design is done to the present invention: described gate location is arranged on the one or both sides of two crimpings of syringe in the bushing upper impression of die cavity, and described cast gate is spot pouring mouth.
Further design is made to the present invention: described gate location be arranged on syringe crimping minor axis in the bushing upper impression of die cavity top and near overcoat crimping minor axis place.
Do further design to the present invention: the quantity of point opening of described inlet channel and water outlet is two, described annular cooling water road is two groups, and the water annulus often organized runs through the left and right of crimping cavity and top respectively.
Further design is done to the present invention: described water channel contiguous block is provided with a watercourse through-hole, described through hole both sides are respectively provided with sealing ring, water channel contiguous block also can arrange securing member, be fastenedly connected with cavity plate, such as, screw hole is set and is fastenedly connected by screw and cavity plate.
Further design is done to the present invention: the quantity of point opening of described inlet channel and water outlet is one, and described annular cooling water road is single group, and water annulus runs through the left and right of crimping cavity and top respectively.
Further design is done to the present invention: described water channel contiguous block is made up of two paths, and two through holes in water channel contiguous block become upper and lower staggered designs, described watercourse through-hole both sides are respectively provided with sealing ring, water channel contiguous block also can arrange screw hole screw and cavity plate is fastenedly connected.。
The present invention coordinates water channel contiguous block to realize the cooling of crimping both sides by annular cooling water road on die cavity baffle plate, annular cooling water road is made to be arranged in crimping both sides, and make the crimping of product reach cooling effect, this makes it possible to make it can prevent the phenomenons such as the crimping of product upwarps when the demoulding, and then ensure that the quality of syringe jacket.
Accompanying drawing explanation
Fig. 1 is the structural representation of the full hot runner molding mould of a kind of syringe jacket of the present invention;
Fig. 2 is the cooling water channel distribution map of the embodiment of the present invention one;
Fig. 3 is the distribution map in annular cooling water road in the embodiment of the present invention one;
Fig. 4 is the embodiment of the present invention two cooling water channel distribution map;
Fig. 5 is embodiment of the present invention second ring cooling water channel distribution map;
Fig. 6 is the structure chart of water channel contiguous block of the present invention
Fig. 7 is that gate location of the present invention puts schematic diagram
Fig. 8 is that the another kind of gate location of the present invention puts schematic diagram
Fig. 9 is the schematic diagram of the another kind of connecting hole of contiguous block of the present invention
Figure 10 is the sectional view in A-A direction in Fig. 9 in the present invention
Figure 11 is the sectional view in B-B direction in Fig. 9 of the present invention
Figure 12 is the sectional view in C-C direction in Fig. 9 of the present invention
Detailed description of the invention
Embodiment one: the full hot runner molding mould of a kind of syringe jacket, comprise hot runner manifold 2, hot runner flow distribution plate 12, die cavity baffle plate 32, core 9, core fixing plate 5, hot flow path body 7, cavity plate 31 and strangle plate 4, wherein, die cavity baffle plate 32 and cavity plate 31 can be integrally formed, hot flow path body 7 is embedded in cavity plate 31, be connected on hot runner flow distribution plate 12, cavity plate 31 is inlaid with die cavity bushing 8, die cavity bushing 8 offers overcoat die cavity, core 9 is fixed on core fixing plate 5, and through strangling plate 4 strangles sleeve-board 10 and die cavity baffle plate 32, extend in the die cavity that is embedded in and offers in cavity plate 31 upper impression bushing 8, arrange heat at hot flow path body 7 end to chew, corresponding with the cast gate on die cavity bushing 8, heat is chewed can with annular, rectangle, square or polygon mode are arranged in the surrounding of hot flow path body 7 or are arranged in the both sides of hot flow path body 7, die cavity baffle plate 32 is provided with cooling device, cooling device comprise die cavity bushing on cooling water channel 14, water channel contiguous block 15, cavity plate inlet channel 16 and water outlet 17, this cooling device is arranged on above the bushing cast gate place of die cavity and the horizontal surrounding at cast gate place, water channel contiguous block 15 is provided with the watercourse through-hole 152 of, and cavity plate inlet channel 16 is connected with the watercourse through-hole 152 of water outlet 17 by water channel contiguous block 15.
Described gate location is arranged on the one or both sides of two crimpings 18 of syringe in the bushing upper impression of die cavity, and described cast gate is spot pouring mouth, specifically, see Fig. 7, when the position of cast gate 11 can be arranged on the crimping side (adept part) 18 of overcoat goods, see Figure 12, cast gate 11 can on the both sides of syringe crimping.Adopt the structure of single-point cast gate, during injection moulding, resin to hot-runner nozzle, is injected the die cavity of mould through hot flow path by resin from the cast gate of hot-runner nozzle.Position due to cast gate 11 is positioned on crimping 18, and the direction of cast gate 11 is towards the opposite side of crimping 18, and resin is first by having the side crimping 18 of nozzle to flow to without hot-runner nozzle side and being full of this side crimping; According to double cast gate, then enter glue at the crimping of syringe both sides, then resin almost flows, until be full of the space at the head place of overcoat goods to the cephalad direction of overcoat along the space that die cavity and core surround simultaneously simultaneously.
See Fig. 8, the position of cast gate also can be arranged on overcoat crimping minor axis 22 top and near the side at overcoat crimping minor axis 22 place or the both sides to correspondence.The injection direction of cast gate 11 is towards bottom, and during injection moulding, resin first flow to the direction of crimping, and being full of and cushion by crimping place, resin almost while upwards flow until be full of the space that whole core 9 and die cavity surround.Adopt the overcoat that this scheme can realize a bit or two spot pouring mouth production glacing flatness are high, efficiently solve overcoat and bend.
The cooling device of annular layout comprises inlet channel 16, direct cooling water channel 13, annular cooling water road 14 and water outlet 17.With reference to figure 1,2 and 3, annular cooling water road 14 is placed in around the die cavity of crimping 18, enough can cool the crimping in die cavity, makes the crimping of product straight; It is contiguous all around that cooling water channel 14 can be passed through cast gate 11, gate area enough cooled, reaches cast gate without curtain coating; Direct cooling water channel 13 be placed in hot flow path body 7 up and down and each template inside of entering of institute; Inlet channel 16 and water outlet 17 are respectively provided with point opening of at least one, the port in annular cooling water road respectively and divide an opening to be connected; With reference to figure 6, the parallel watercourse through-hole 152 of its annular cooling water road by water channel contiguous block 15 is arranged, through hole both sides are respectively provided with sealing ring 153, and water channel contiguous block 15 also can arrange screw hole screw and cavity plate is fastenedly connected.The cavity portion of overcoat crimping is formed in the end of water channel contiguous block 15, this end with strangle sleeve-board 10 and contact.
Compared with ring arrangement, straight configuration is not except having annular cooling water road 14, and all the other are identical with ring arrangement, repeat no more here.
Specifically, this embodiment circularizes for die cavity or the multi-cavity mold of circular arrangement especially, when mould is closed time, chewing corresponding spot pouring mouth 11 by the heat on hot flow path body 7 injects in die cavity, while mold work, its each Die and mould plate comes to cool Die and mould plate by direct cooling water channel.With reference to figure 2, 5, each circular die cavity unit 20 is provided with two groups of annular cooling water roads 14 to die cavity baffle plate 32, cooling water enters after inlet channel 16 by tap hole 161, 162 make in cooling water difference route two groups of annular cooling water roads, and by the tap hole 171 of water outlet 17, 172 flow out, if when having multiple circular die cavity unit 20 in die cavity, connected by the through hole 152 on water channel contiguous block 15 between two die cavity unit 20, and this water channel contiguous block 15 via through holes 154 is fixed on die cavity baffle plate 32, so just can comprehensively to the die cavity cooling on crimping,
See Fig. 9 to Figure 12, for rectangular arranged and the layout of cast gate 11 is respectively established in crimping both sides, its water channel contiguous block 15 is made up of two paths, and two through holes 155 in water channel contiguous block 15,156 one-tenth upper and lower staggered designs; With reference to Figure 11, the watercourse through-hole 155 of its water channel contiguous block 15 connects the annular cooling water road 14 on upper and lower two die cavities; With reference to Figure 10, its watercourse through-hole 156 connects the annular cooling water road 14 of left and right two die cavities, and its annular cooling water road 14 is placed in the left and right and top of cast gate 11 and crimping 18, such layout, mould can be made full use of annular cooling water road 14 is set up and down, thus reach the object of fully cooling or control cast gate temperature.
Embodiment two: the mold cavity for following rectangle die cavity unit or single die cavity being unit 20, water channel contiguous block 15 is provided with a watercourse through-hole 152, watercourse through-hole 152 both sides are respectively provided with sealing ring 153, the quantity of point opening of described inlet channel 16 and water outlet 17 is one, annular cooling water road 14 is single group, and annular cooling water road 14 runs through directly over the bushing upper crimping of die cavity respectively or immediately below;
Embodiment two: the mold cavity for following rectangle die cavity unit or single die cavity being unit 20, there is another kind of method, see Fig. 9 to Figure 12, cooling in die cavity is bushing leans against directly over crimping with the annular cooling water road 14 that top-bottom cross is ganged up, be connected with a point opening for inlet channel in cavity plate 16 and water outlet 17 and realize, also can correspond to a mold cavity with water channel contiguous block 15 and annular cooling water road 14 and realize.
The above is only the preferred embodiment for the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (9)
1. the full hot runner molding mould of syringe jacket, comprise hot runner manifold, hot runner flow distribution plate, core, core fixing plate, hot flow path body, cavity plate, die cavity baffle plate and strangle plate, described hot flow path body is embedded in cavity plate and die cavity baffle plate, is connected on hot runner flow distribution plate; Cavity plate is inlaid with die cavity bushing, on die cavity is bushing, offers overcoat die cavity; Core is fixed on core fixing plate, and through strangling plate strangles sleeve-board and cavity plate, die cavity baffle plate, extend into be embedded in cavity plate upper impression bushing in the die cavity offered; Arrange heat in hot flow path body tip to chew, the cast gate on bushing with die cavity is corresponding, it is characterized in that, described heat is chewed, and the cast gate on bushing with die cavity is arranged in the surrounding of hot flow path body in polygon mode or is arranged in the both sides of hot flow path body; Die cavity baffle plate is provided with cooling device, this cooling device comprise die cavity bushing on cooling water channel, water channel contiguous block and die cavity baffle plate water channel, described cooling device is also arranged on above the bushing cast gate place of die cavity and the horizontal surrounding at cast gate place; Contiguous block is at least arranged a watercourse through-hole, and die cavity baffle plate water channel is connected by the watercourse through-hole of contiguous block;
Described cooling water channel comprises inlet channel, direct cooling water channel, annular cooling water road and water outlet; Described annular cooling water road is placed in around the die cavity of crimping, contiguous all around through cast gate; Described direct cooling water channel is placed in the inside of the other and each Die and mould plate of overcoat die cavity, the inlet channel on described die cavity baffle plate water channel and water outlet is respectively arranged point opening of at least one, the port in described annular cooling water road respectively with divide an opening to be connected.
2. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, is characterized in that, described gate location is arranged on the one or both sides of two crimpings of syringe in the bushing upper impression of die cavity, and described cast gate is spot pouring mouth.
3. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, is characterized in that, described gate location be arranged on syringe crimping minor axis in the bushing upper impression of die cavity top and near overcoat crimping minor axis place.
4. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, it is characterized in that, the quantity of point opening of described inlet channel and water outlet is two, and described annular cooling water road is two groups, and the water annulus often organized runs through the left and right of crimping cavity and top respectively.
5. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, it is characterized in that, described water channel contiguous block is provided with a watercourse through-hole, described through hole both sides are respectively provided with sealing ring, water channel contiguous block also can be provided with securing member and cavity plate is fastenedly connected.
6. the full hot runner molding mould of a kind of syringe jacket as described in claim 4 or 5, it is characterized in that, described water channel contiguous block is made up of two paths, and two through holes in water channel contiguous block become upper and lower staggered designs, described watercourse through-hole both sides are respectively provided with sealing ring, water channel contiguous block also can be provided with securing member and cavity plate is fastenedly connected.
7. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 5, it is characterized in that, the quantity of point opening of described inlet channel and water outlet is one, and described annular cooling water road is single group, and water annulus runs through the left and right of crimping cavity and top respectively.
8. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, is characterized in that, the cooling water channel in described die cavity is bushing above crimping, through the annular cooling water road that the left-right and front-back design top-bottom cross that cast gate is contiguous is ganged up.
9. the full hot runner molding mould of a kind of syringe jacket as claimed in claim 1, is characterized in that, described cavity plate and die cavity baffle plate are integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417692.0A CN102909829B (en) | 2012-10-26 | 2012-10-26 | Full hot runner forming die for injector outer sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210417692.0A CN102909829B (en) | 2012-10-26 | 2012-10-26 | Full hot runner forming die for injector outer sheath |
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| Publication Number | Publication Date |
|---|---|
| CN102909829A CN102909829A (en) | 2013-02-06 |
| CN102909829B true CN102909829B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210417692.0A Active CN102909829B (en) | 2012-10-26 | 2012-10-26 | Full hot runner forming die for injector outer sheath |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085235B (en) * | 2013-02-26 | 2016-01-13 | 成都市联余精密机械有限公司 | A kind of novel full heat channel needle cylinder mould |
| CN105382966A (en) * | 2015-12-02 | 2016-03-09 | 温州宏泰模具有限公司 | Pen mold core, feeding method of pen mold core and machining mold |
| CN108582684A (en) * | 2018-05-25 | 2018-09-28 | 珠海格力精密模具有限公司 | One kind is into pouring system and method |
| CN112123699B (en) * | 2020-09-03 | 2022-06-14 | 深圳市志成金科技有限公司 | Side glue feeding hot nozzle and injection molding glue feeding system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006068956A (en) * | 2004-08-31 | 2006-03-16 | Aoki Technical Laboratory Inc | Cooling structure of cavity bottom part of injection mold |
| CN201702900U (en) * | 2010-05-31 | 2011-01-12 | 浙江千禧光塑料模具有限公司 | Injector needle cylinder moulding mould |
| CN203157025U (en) * | 2012-10-26 | 2013-08-28 | 浙江千禧光塑料模具有限公司 | A full hot runner forming die for an injector outer sheath |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2871167Y (en) * | 2006-02-22 | 2007-02-21 | 林作钱 | Disposable forming syringe casing mould with thread on end |
| JP2009061677A (en) * | 2007-09-06 | 2009-03-26 | Olympus Corp | Mold apparatus for molding |
| CN201579961U (en) * | 2010-01-29 | 2010-09-15 | 蔡根顺 | Disposable syringe jacket forming mould |
| CN201889880U (en) * | 2010-11-25 | 2011-07-06 | 浙江千禧光塑料模具有限公司 | Improved syringe needle cylinder forming die |
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2012
- 2012-10-26 CN CN201210417692.0A patent/CN102909829B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006068956A (en) * | 2004-08-31 | 2006-03-16 | Aoki Technical Laboratory Inc | Cooling structure of cavity bottom part of injection mold |
| CN201702900U (en) * | 2010-05-31 | 2011-01-12 | 浙江千禧光塑料模具有限公司 | Injector needle cylinder moulding mould |
| CN203157025U (en) * | 2012-10-26 | 2013-08-28 | 浙江千禧光塑料模具有限公司 | A full hot runner forming die for an injector outer sheath |
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Denomination of invention: A full hot runner forming die for syringe jacket Effective date of registration: 20220315 Granted publication date: 20141224 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang Qianxiguang Plastic Mold Co.,Ltd. Registration number: Y2022330000328 |