CN108943604A - Molding die suitable for thermosetting material - Google Patents
Molding die suitable for thermosetting material Download PDFInfo
- Publication number
- CN108943604A CN108943604A CN201810908464.0A CN201810908464A CN108943604A CN 108943604 A CN108943604 A CN 108943604A CN 201810908464 A CN201810908464 A CN 201810908464A CN 108943604 A CN108943604 A CN 108943604A
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- Prior art keywords
- nozzle
- plate
- molding die
- temperature
- master mold
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- 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
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of molding dies suitable for thermosetting material, it from top to bottom successively include master mold pressing plate, master mold, male model, male model pressing plate and bottom plate, shape forming cavity between the master mold and male model, it further include flow distribution plate between the master mold pressing plate and master mold, injection orifice is offered on the flow distribution plate, is provided with nozzle mechanism in the injection orifice；The nozzle mechanism includes main nozzle, offers the runner plate of runner and the nozzle that divides positioned at the runner board ends, described to divide in nozzle offer the connection runner and the type chamber point to penetrate channel.A kind of molding die suitable for thermosetting material of the invention, by increasing flow distribution plate, thermal insulation board, improving nozzle mechanism, and separately design water route, guarantee that the temperature of nozzle mechanism keeps relatively low steady temperature, so that the material in nozzle mechanism remains that the state of melting does not solidify, the generation of waste material can be reduced, saves production cost, and reduce the influence for ecological environment.
Description
Technical field
The present invention relates to mold design technical fields, and in particular to a kind of molding die suitable for thermosetting material.
Background technique
Mold in industrial technology refers in industrial production to be molded, be blow molded, squeeze out, die casting or forging and forming, smelting,
The methods of punching press obtains the various moulds and tool of required product.Have and required design of part size one to be prepared in mold
The cavity of sample is poured mobility liquid in the cavity, can be formed after the liquid cooled and solidified and cavity geometry structure is complete
Complete the same part.
Usually used for thermosetting material injection molding at present is hot runner mould, entire hot runner mould temperature compared with
Height, and be that each components temperature existing for single temperature, i.e., in entire mold is substantially close, injection molding and material are completed in this way
Material after cooling in entire running gate system has occurred and that solidification, and thermosetting material has irreversible property, once material is sent out
Raw solidification, which can not recycle, to be continued to use and can only discard, so existing thermosetting material injection molding scrap rate is higher, generally about
For 15%-25%.The cold burden of every injection molding entire running gate system of one mould all becomes waste material, especially for the multi-imprssion mould of small articles
Especially prominent, scrap rate can achieve 50%.So high scrap rate not only increases production cost, and to ecological environment
Cause great harm.
Summary of the invention
In view of this, in order to overcome the drawbacks of the prior art, the object of the present invention is to provide one kind to be suitable for thermosetting material
The molding die of material enables to the material in a cast runner to remain that molten condition is not cured, and reduces scrap rate,
Reduce production cost.
In order to achieve the above object, the following technical solution is employed by the present invention:
A kind of molding die suitable for thermosetting material from top to bottom successively includes master mold pressing plate, master mold, male model, male model pressure
Plate and bottom plate, shape forming cavity between the master mold and male model further include flow distribution plate between the master mold pressing plate and master mold, described
Injection orifice is offered on flow distribution plate, is provided with nozzle mechanism in the injection orifice；The nozzle mechanism includes main nozzle, offers
The runner plate of runner and the nozzle that divides positioned at the runner board ends, it is described divide in nozzle offer the connection runner and institute
It states dividing for type chamber and penetrates channel.When material molten projects, the temperature of flow distribution plate and nozzle mechanism is lower than the temperature of master mold.Pass through increasing
Nozzle mechanism in bonus point flowing plate and flow distribution plate, so that the temperature of the temperature and master mold of flow distribution plate and nozzle mechanism is kept not
Together, guarantee that the temperature of nozzle mechanism keeps relatively low steady temperature, so that the material in nozzle mechanism remains
The state of melting.
Preferably, on the master mold corresponding described point penetrate channel and be provided with feed head, the feed head offers feed nozzle,
Channel and the type chamber are penetrated in described point of the feed nozzle connection.Feed head is arranged on master mold, the temperature of feed head and master mold
Temperature is identical.The effect that feed head is arranged is to heat the material for point penetrating channel outflow by feed head, then by into
Material mouth enters type chamber, prevents material and directly enters the stuck problem after type chamber solidifies from point penetrating channel.
It is further preferred that being additionally provided with thermal insulation board between the flow distribution plate and the master mold.By the way that thermal insulation board is arranged into one
Heat transfer between step isolation flow distribution plate and master mold makes so that flow distribution plate and nozzle mechanism keep relatively low temperature
It obtains the material in nozzle mechanism and remains the not cured state of melting.
It is further preferred that the runner plate and the upper surface for dividing nozzle flush, the height of the runner plate is equal to
The thickness of the flow distribution plate, the height for dividing nozzle are equal to the thickness of the flow distribution plate and the thermal insulation board.
Preferably, there is outwardly projecting first positioning region on the runner plate, it is described to divide on nozzle with the second positioning
Portion.By increasing the first positioning region and the second positioning region, the cooperation essence between nozzle mechanism and flow distribution plate is on the one hand enabled to
On the other hand Du Genggao increases the integral strength of nozzle mechanism, prolongs its service life.
Preferably, the master mold pressing plate, which corresponds to the nozzle mechanism, has the first water route, described to divide on nozzle with second
Water route, first water route are mutually communicated with second water route, and the inlet and outlet in second water route is located at described
Divide the two sides for penetrating channel.First water route is used to control the temperature of master mold pressing plate, and the second water route is used to control point temperature for penetrating channel.
First water route is mutually communicated with the second water route, so that master mold pressing plate and point penetrating the temperature in channel and being consistent.
It is further preferred that corresponding to the injection orifice on the flow distribution plate with third water route.Third water route is divided for controlling
The temperature of flowing plate and nozzle mechanism.It is cooperated by the first water route, the second water route and third water route, so that nozzle mechanism
Temperature keep constant, and then guarantee nozzle mechanism in material be that molten condition will not solidify always.
It is further preferred that the medium temperature in first water route and the second water route and the medium in the third water route
Temperature is different.Medium for processing phenolic resin, in ejection formation, in the first water route, the second water route and third water route
Temperature is 100-120 DEG C, controls the material in nozzle mechanism and is maintained at 110 DEG C or so, the temperature of master mold is 170-180 DEG C, control
The material that system enters in type chamber is maintained at 175 DEG C or so；After the completion of injection, in the first water route, the second water route and third water route
Medium temperature it is constant, the material temperature in nozzle mechanism is constant, and the material in nozzle mechanism remains molten condition, master mold
Temperature also remain unchanged so that the product in type chamber solidifies, curing time is generally set to 10-15s, can also be according to practical need
It asks and is adjusted.
Preferably, the wire casing for accommodating temperature-sensitive mechanism is offered on the flow distribution plate.By setting, temperature-sensitive mechanism is real-time
The temperature for monitoring flow distribution plate, so that the temperature of flow distribution plate and nozzle mechanism is kept constant.
Preferably, the through-hole for accommodating the main nozzle is offered on the master mold pressing plate.
Compared to the prior art, the invention has the beneficial effects that: it is of the invention it is a kind of suitable for thermosetting material at
Pattern tool by increasing flow distribution plate, thermal insulation board, improving nozzle mechanism, and respectively corresponds design water route, so that flow distribution plate and penetrating
The temperature of nozzle mechanism is different from the holding of the temperature of master mold, guarantees that the temperature of nozzle mechanism keeps relatively low steady temperature, into
And the thermosetting material in nozzle mechanism is made to remain that the state of melting does not solidify, it is possible to reduce the generation of waste material is saved
Production cost, and the influence for ecological environment is reduced, there is preferable application prospect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the explosive view of the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Fig. 2 is the perspective view of the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Fig. 3 is that the molding die suitable for thermosetting material of the preferred embodiment of the present invention removes the top view of master mold pressing plate；
Fig. 4 is the cross-sectional view of A-A in Fig. 3；
Fig. 5 is the top view of thermal insulation board the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Fig. 6 is the solid at the first visual angle of nozzle mechanism the molding die suitable for thermosetting material of the preferred embodiment of the present invention
Figure；
Fig. 7 is the solid at the second visual angle of nozzle mechanism the molding die suitable for thermosetting material of the preferred embodiment of the present invention
Figure；
Fig. 8 is the top view of nozzle mechanism the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Fig. 9 is the side view of nozzle mechanism the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Figure 10 is that master mold pressing plate the first water route shows the molding die suitable for thermosetting material of the preferred embodiment of the present invention
It is intended to；
Figure 11 is flow distribution plate third water route schematic diagram the molding die suitable for thermosetting material of the preferred embodiment of the present invention；
Figure 12 is the second water route suitable for the nozzle mechanism of the molding die of thermosetting material of the preferred embodiment of the present invention
Schematic top plan view；
Figure 13 is the second water route suitable for the nozzle mechanism of the molding die of thermosetting material of the preferred embodiment of the present invention
Schematic side view；
Figure 14 is the second water route suitable for the nozzle mechanism of the molding die of thermosetting material of the preferred embodiment of the present invention
Stereoscopic schematic diagram；
In attached drawing: master mold pressing plate -1, flow distribution plate -2, thermal insulation board -3, master mold -4, male model -5, male model pressing plate -6, bottom plate -7, top plate -
81, thimble -82, through-hole -9, injection orifice -10 divides nozzle hole -11, nozzle mechanism -12, main nozzle -13, runner plate -14, runner -
141, divide nozzle -15, divides and penetrate channel -151, feed head -16, feed nozzle -161, the first water route -171, the second water route -172, the
Three water route -173, water route import or export -181, water route connector -182, the first positioning region -191, the second positioning region -192, line
Slot -20, induction point -21.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
Only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or equipment
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Fig. 1 to 14 is please referred to, a kind of molding die suitable for thermosetting material of the present embodiment from top to bottom successively wraps
Master mold pressing plate 1, flow distribution plate 2, thermal insulation board 3, master mold 4, male model 5, male model pressing plate 6 and bottom plate 7 are included, it is specific as shown in Figs. 1-2.It is female
The type chamber for accommodating product is formed between mould 4 and male model 5.
As shown in figs. 1 and 3, injection orifice 10 is offered on flow distribution plate 2, nozzle mechanism 12 is provided in injection orifice 10, is injected
Hole 10 and nozzle mechanism 12 cooperate.As shown in Fig. 6-9 and Figure 12-14, nozzle mechanism 12 includes main nozzle 13, offers
The runner plate 14 of runner 141 and divide nozzle 15 positioned at 14 both ends of runner plate, main nozzle 13 is located at the centre of runner plate 14, female
The through-hole 9 for accommodating main nozzle 13 is offered on moulded board 1, divide offered in nozzle 15 connection runner 141 and type chamber divide penetrate it is logical
Road 151.When material molten projects, the temperature of flow distribution plate 2 and nozzle mechanism 12 is lower than the temperature of master mold 4.It is shunted by increasing
Nozzle mechanism 12 on plate 2 and flow distribution plate 2, so that the temperature of flow distribution plate 2 and nozzle mechanism 12 and the temperature of master mold 4 are kept
Difference, and the heat transfer between flow distribution plate 2 and master mold 4 is further completely cut off by setting thermal insulation board 3, guarantee nozzle mechanism 12
Temperature keeps relatively low steady temperature, so that the material in nozzle mechanism 12 remains the not cured shape of melting
State.
Such as Fig. 1 and as Figure 6-9, correspondence point penetrates channel 151 and is provided with feed head 16 on master mold 4, and feed head 16 is opened
Equipped with feed nozzle 161, channel 151 and type chamber are penetrated in the connection point of feed nozzle 161.Feed head 16 is arranged on master mold 4, feed head 16
Temperature is identical as the temperature of master mold 4.The effect that feed head 16 is arranged is through feed head 16 to the material for point penetrating the outflow of channel 151
Expect to be heated, then type chamber is entered by feed nozzle 161, prevents material and directly penetrate channel 151 into the solidification of type chamber from point
Stuck problem afterwards.As shown in figure 4, since the thickness of feed head 16 is smaller in the present embodiment, so in the corresponding feed nozzle of master mold 4
161 lower sections are also provided with a section feeding channel, in the material injection type chamber that will be melted.
As Figure 6-9, runner plate 14 and the upper surface of nozzle 15 is divided to flush in the present embodiment, the height etc. of runner plate 14
In the thickness of flow distribution plate 2, the overall thickness for dividing the height of nozzle 15 to be equal to the superposition of flow distribution plate 2 and thermal insulation board 3.I.e. on thermal insulation board 3
Only open up accommodate divide 15 lower part of nozzle divide nozzle hole 11, can preferably completely cut off the heat between flow distribution plate 2 and master mold 4 in this way
Transmitting.
As shown in Fig. 3, Fig. 6-9 and Figure 12-14, the position for corresponding to main nozzle 13 on runner plate 14 in the present embodiment has
Outwardly projecting first positioning region 191, dividing has the second positioning region 192 on nozzle 15.By increasing the first positioning region 191 and the
On the one hand two positioning regions 192 enable to the cooperation precision between nozzle mechanism 12 and flow distribution plate 2 higher, on the other hand can
The integral strength for increasing nozzle mechanism 12, prolongs its service life.
As shown in figures 10-14, the corresponding nozzle mechanism 12 of master mold pressing plate 1 has the first water route 171, divide on nozzle 15 have with
Point penetrate the second water route 172 that channel 151 matches, the first water route 171 is mutually communicated with the second water route 172, the first water route 171 and
Second water route 172 is linked together by the water route connector 182 in attached drawing, the water route inlet and outlet 181 in the second water route 172
Positioned at the two sides for point penetrating channel 151；Injection orifice 10 is corresponded on flow distribution plate 2 has third water route 173, and what dotted line represented in figure is
The channel in water route.First water route 171 is used to control the temperature of master mold pressing plate 1, and the second water route 172 is for controlling the temperature for dividing nozzle 15
Degree, third water route 173 are used to control the temperature of flow distribution plate 2 and nozzle mechanism 12.First water route 171 and 172 phase of the second water route
Mutually perforation, so that master mold pressing plate 1 is consistent with the temperature of nozzle 15 is divided.By the first water route 171, the second water route 172 and
Third water route 173 cooperates, so that the temperature of nozzle mechanism 12 is kept constant, and then guarantees that the material in nozzle mechanism 12 begins
It is that molten condition will not solidify eventually.
The medium temperature in medium temperature and third water route 173 in the present embodiment in the first water route 171 and the second water route 172
Degree is different, and medium temperature when ejection formation in the first water route 171 and the second water route 172 is lower than Jie in third water route 173
Matter temperature.For processing phenolic resin, in ejection formation, in the first water route 171, the second water route 172 and third water route 173
Medium temperature be 100-120 DEG C, the material controlled in nozzle mechanism 12 is maintained at 110 DEG C or so, and the temperature of master mold 4 is 170-
180 DEG C, the material that control enters in type chamber is maintained at 175 DEG C or so.After the completion of injection, the first water route 171, the second water route
172 and third water route 173 in medium temperature it is constant, the material temperature in nozzle mechanism 12 is constant, the material in nozzle mechanism 12
Material remains that molten condition does not solidify, and the temperature of master mold 4 also remains unchanged, so that the product in type chamber solidifies, curing time
It is generally set to 10-15s, is adjusted according to actual needs.
The wire casing 20 for accommodating temperature-sensitive mechanism is also provided in the present embodiment on flow distribution plate 2, is equipped in wire casing 20 for feeling
The induction point 21 of temperature.The temperature for monitoring flow distribution plate 2 in real time by setting temperature-sensitive mechanism, so that flow distribution plate 2 and nozzle mechanism
12 temperature is kept constant.
Increase flow distribution plate 2 and thermal insulation board 3 in the present embodiment on original thermosetting material hot runner mould master mold side, it is female
The main nozzle 12 of moulded board 1 is directly injected into the runner 141 of nozzle mechanism 12 on flow distribution plate 2, then passes through nozzle mechanism 12
Nozzle 15 is divided to enter type chamber.It is cooperated by the first water route 171 and the second water route 172, to material temperature in nozzle mechanism 12
Carrying out control ensures that material will not solidify, runner 14 when being molded into modeling next in this way and point penetrate material in channel 151 can be after
It is continuous to use, reduce the waste of condensate in running gate system.And due to close to each other between flow distribution plate 2 and master mold 4, so on the one hand
Increase thermal insulation board 3 to completely cut off the transmitting of heat, on the other hand increases third water route 173 on flow distribution plate 2 and avoided to control temperature
Material solidification in nozzle mechanism 12, and open up wire casing 20 on flow distribution plate 2 and pass through the monitoring that runner temperature-sensitive mechanism carries out temperature,
And then guarantee the constant of 12 temperature of nozzle mechanism.
A kind of molding die suitable for thermosetting material of the invention, by increasing flow distribution plate, thermal insulation board, improving nozzle
Mechanism, and design water route is respectively corresponded, so that the temperature of flow distribution plate and nozzle mechanism is different from the holding of the temperature of master mold, guarantee
The temperature of nozzle mechanism keeps relatively low steady temperature, so that the thermosetting material in nozzle mechanism remains molten
The state melted does not solidify, it is possible to reduce the generation of waste material saves production cost, and reduces the influence for ecological environment, tool
There is preferable application prospect.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908464.0A CN108943604A (en) | 2018-08-10 | 2018-08-10 | Molding die suitable for thermosetting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810908464.0A CN108943604A (en) | 2018-08-10 | 2018-08-10 | Molding die suitable for thermosetting material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108943604A true CN108943604A (en) | 2018-12-07 |
Family
ID=64469147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810908464.0A Pending CN108943604A (en) | 2018-08-10 | 2018-08-10 | Molding die suitable for thermosetting material |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276059A (en) * | 2003-03-14 | 2004-10-07 | Yamaha Fine Technologies Co Ltd | Injection molding apparatus and injection molding method for metallic material |
| CN2671790Y (en) * | 2004-02-06 | 2005-01-19 | 罗克航 | Warm runing way injction molding device for thermosetting plastics |
| KR20090115105A (en) * | 2009-10-06 | 2009-11-04 | 금능정밀(주) | Injection molding mold using BMC and method |
| CN202062586U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Multi-nozzle cold runner system |
| CN103171098A (en) * | 2013-03-05 | 2013-06-26 | 张家港倍恩特磁塑科技有限公司 | Forming mold |
| CN105799124A (en) * | 2016-03-22 | 2016-07-27 | 深圳市米高科技有限公司 | Cold runner device of liquid silicon rubber injection mold |
-
2018
- 2018-08-10 CN CN201810908464.0A patent/CN108943604A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276059A (en) * | 2003-03-14 | 2004-10-07 | Yamaha Fine Technologies Co Ltd | Injection molding apparatus and injection molding method for metallic material |
| CN2671790Y (en) * | 2004-02-06 | 2005-01-19 | 罗克航 | Warm runing way injction molding device for thermosetting plastics |
| KR20090115105A (en) * | 2009-10-06 | 2009-11-04 | 금능정밀(주) | Injection molding mold using BMC and method |
| CN202062586U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Multi-nozzle cold runner system |
| CN103171098A (en) * | 2013-03-05 | 2013-06-26 | 张家港倍恩特磁塑科技有限公司 | Forming mold |
| CN105799124A (en) * | 2016-03-22 | 2016-07-27 | 深圳市米高科技有限公司 | Cold runner device of liquid silicon rubber injection mold |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
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| RJ01 | Rejection of invention patent application after publication |