CN206357564U - The injection molding die of groove pipe fitting rubber seal - Google Patents
The injection molding die of groove pipe fitting rubber seal Download PDFInfo
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- CN206357564U CN206357564U CN201621482020.8U CN201621482020U CN206357564U CN 206357564 U CN206357564 U CN 206357564U CN 201621482020 U CN201621482020 U CN 201621482020U CN 206357564 U CN206357564 U CN 206357564U
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- cold burden
- pipe fitting
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- rubber seal
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Abstract
The utility model is related to the injection molding die and cold burden road material feeding plate of groove pipe fitting rubber seal, it is that injector or press injector make the matching used mould of groove pipe fitting rubber seal, including lower template, cope plate, the core rod being arranged between lower template and cope plate, the upper opening cavity being arranged on cope plate lower surface and the lower opening cavity being arranged on lower template upper surface, lower template is set with cope plate pairing, and upper opening cavity constitutes the die cavity for making groove pipe fitting rubber seal with lower opening cavity；Core rod is arranged in die cavity, and the utility model is reasonable in design, compact conformation and easy to use.
Description
Technical field
The utility model is related to injection molding die and cold burden road material feeding plate for groove pipe fitting rubber seal.
Background technology
At present, groove pipe fitting rubber seal is mainly used in sealing for tubing joints, such as in fire protection pipeline, water supply pipeline etc.
There is the pipe joint of pressure.Traditional groove pipe fitting rubber seal production is, by artificial storage material, to waste time and energy, and wastes material
There is bubble, service life in material, inefficiency, the groove pipe fitting rubber seal short texture of production, interior tissue imprecision
It is short.
Utility model content
For the above, technical problem to be solved in the utility model be generally speaking to provide it is a kind of it is reasonable in design,
With low cost, durable, safe and reliable, simple to operate, time saving and energy saving, saving fund, compact conformation and use easy to use
In the injection molding die of groove pipe fitting rubber seal；The technical problem and acquirement beneficial effect solved in detail is aftermentioned interior
Hold and combine content in embodiment and specifically describe.
To solve the above problems, technical solution adopted in the utility model is：
A kind of injection molding die of groove pipe fitting rubber seal, it is that injector or press injector make groove pipe fitting rubber
The matching used mould of glue sealing ring, including lower template, cope plate, the core rod being arranged between lower template and cope plate, setting
Upper opening cavity on cope plate lower surface and the lower opening cavity being arranged on lower template upper surface, lower template with
Cope plate pairing is set, and upper opening cavity constitutes the type for making groove pipe fitting rubber seal with lower opening cavity
Chamber；Core rod is arranged in die cavity, and lower template is combined to form sealing ring land area with cope plate, and upper opening cavity is located at sealing ring
The top of land area, lower opening cavity is located at the lower section of sealing ring land area；Sealing ring land area and groove pipe fitting rubber are close
The axial line of seal is vertical.
It is used as the further improvement of above-mentioned technical proposal：
Template at least one is provided between lower template and cope plate；Lower section is provided with the upper surface of middle template
Open-ended cavity, is provided with upper opening cavity on the lower surface of middle template；
Adjacent lower opening cavity is correspondingly arranged with upper opening cavity.
Also include dispensing Jiao Dao and a point glue by-path；Dispensing Jiao Dao connects cope plate, middle template and lower template vertically successively；
Point glue by-path is arranged in cope plate, in middle template, in lower template, between cope plate and middle template, between adjacent middle template and/
Or between middle template and lower template；Point glue by-path is used to connecting dispensing Jiao Dao and corresponding die cavity, and injector or press injector are by thing
Material is expelled in die cavity by dispensing Jiao Dao, a point glue by-path；
Divide the length of glue by-path identical.
Material feeding plate in cold burden road is provided with above cope plate, material feeding plate in cold burden road includes cold burden road plate body, is arranged on cold burden
Total gum-injecting port on road plate body and it is distributed in cold burden road plate body Shang Zhujiao roads；Zhu Jiao roads is on the upper surfaces of cold burden road plate body
Conduit Huo Zhujiao roads be lower surface and cope plate upper surface that duct Huo Zhujiao roads in cold burden guidance tape body are cold burden road plate body it
Between passage；Total gum-injecting port is connected by Zhu Jiao roads with corresponding dispensing Jiao Dao, and Zhu Jiao roads length is identical；
Cooling tube is provided with cold burden guidance tape body.
Core rod is set in the lower opening cavity of lower template, and lower template is provided with one or three ejection hole, ejection
Hole upper end is connected with lower opening cavity, the liftout plate being provided with below lower template, be provided with liftout plate upper surface with
The corresponding knock-pin in hole is ejected, core rod is ejected lower opening cavity by knock-pin through ejection hole.
Core rod up mounts setting in open-ended cavity lower section, up link is provided with below open-ended cavity, on core rod
It is provided with the in-core seam step surface hung on link.
Mould lower convexity is up provided with open-ended cavity, the lower surface of upper mould lower convexity is fitted with the upper surface of core rod
Set, the positioning step of core rod is arranged below in the positioning inner stopper of open-ended cavity.
It is provided with to drive cope plate upset or rise the mould jack-up of opening opened on cope plate and holds in the palm axle, in middle template-setup
There is the middle mould jack-up of opening that template upset or rising are opened in driving to hold in the palm axle；Installed between cope plate, middle template and lower template
There is alignment pin.
A kind of to be used for the cold burden road material feeding plate of injector or press injector, it is arranged on above the cope plate of mould, including cold
Material road plate body, the total gum-injecting port being arranged on cold burden road plate body and it is distributed in cold burden road plate body Shang Zhujiao roads；Zhu Jiao roads are
Conduit or Jiao Dao are the following table that the duct Huo Zhujiao roads in cold burden guidance tape body are cold burden road plate body on the upper surface of cold burden road plate body
Passage between face and cope plate upper surface；Total gum-injecting port is connected by Zhu Jiao roads dispensing Jiao Dao corresponding with cope plate, main glue
Road length is identical.
It is used as the further improvement of above-mentioned technical proposal：Cooling tube is provided with cold burden guidance tape body.
It is using the beneficial effect produced by above-mentioned technical proposal：
During using the utility model, by taking three layers of template as an example, core rod is mounted on upper opening cavity and by bolt
Fastening, or be placed directly in positioning inner stopper and position, compressed by upper mould lower convexity, realize positioning fastening, injector is by material
By total gum-injecting port of cold burden road material feeding plate, one point of equidistant four roads Zhu Jiao road, four road Zhu Jiao roads enter vertically into dispensing Jiao Dao
, dispensing Jiao Dao is simultaneously to bilevel point of glue by-path feeding, point glue by-path on equidistant four tunnel in every layer of one point of dispensing glue road,
Divide glue by-path that material is sent in corresponding die cavity.After injection is finished, before sulfuration process, material feeding plate in cold burden road is moved
Open, cooling tube plays a part of cooling, so that material feeding plate in cold burden road can be reused, it is to avoid its internal material wave
Take, improve operating efficiency, reduce cost.When carrying out after finishing of sulfuration process, held in the palm by artificial, manipulator or hydraulic cylinder etc.
Mould jack-up support axle is opened in act, so as to upper former be opened, so that the groove pipe fitting rubber seal being suspended on core rod be taken
Under, ask axle sequentially to open middle level template by opening middle mould jack-up, so that by the groove pipe fitting rubber seal being suspended on core rod
Remove, as the deformation of method, insert lower opening cavity to eject core rod by the knock-pin of liftout plate, take out groove
Pipe fitting rubber seal, unfolding mode has a variety of modes, can also successively take out layer template downwards, and opening can be with.This
The beneficial effect not limited to this description of utility model, in order to preferably readily appreciate, has been carried out more in embodiment part
Good detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model groove pipe fitting rubber seal.
Fig. 2 is one layer of the utility model and the structural representation on lower top.
Fig. 3 is the structural representation of one layer of the utility model and upper extension.
Fig. 4 is the structural representation of two layers of the utility model.
Fig. 5 is the structural representation of the utility model die cavity.
Fig. 6 is local structural representation after the utility model matched moulds.
Fig. 7 is the structural representation of the utility model material road.
Fig. 8 is the structural representation of the utility model cold burden road material feeding plate.
Fig. 9 is the overlooking the structure diagram of the utility model cold burden road material feeding plate.
Figure 10 is overlooking the structure diagram of the present utility model.
Wherein：1st, groove pipe fitting rubber seal；2nd, sealing ring land area；3rd, lower template；4th, upper former；5th, cold burden
Road material feeding plate；6th, liftout plate；7th, knock-pin；8th, core rod；9th, alignment pin；10th, die cavity；11st, hole is ejected；12nd, upper opening cavity；
13rd, lower opening cavity；14th, inner stopper is positioned；15th, upper mould lower convexity；16th, in-core seam step surface；17th, link；18th, open
Mould jack-up holds in the palm axle；19th, middle level template；20th, middle mould jack-up support axle is opened；21st, cold burden road plate body；22nd, total gum-injecting port；23rd, Zhu Jiao roads；
24th, dispensing Jiao Dao；25th, glue by-path is divided；26th, cooling tube.
Embodiment
As Figure 1-10 shows, the injection molding die of the groove pipe fitting rubber seal of the present embodiment, its be injector or
Press injector makes the matching used mould of groove pipe fitting rubber seal 1, such as Fig. 2-3, including lower template 3, cope plate 4, setting
Core rod 8 between lower template 3 and cope plate 4, the upper opening cavity 12 being arranged on the lower surface of cope plate 4 and it is arranged on
Lower opening cavity 13 on the upper surface of lower template 3, lower template 3 is set with the pairing of cope plate 4, upper opening cavity 12 and lower section
Open-ended cavity 13 constitutes the die cavity 10 for making groove pipe fitting rubber seal 1；Core rod 8 is arranged in die cavity 10, lower template 3
Sealing ring land area 2 is combined to form with cope plate 4, upper opening cavity 12 is located at the top of sealing ring land area 2, lower opening
Cavity 13 is located at the lower section of sealing ring land area 2；Sealing ring land area 2 is vertical with the axial line of groove pipe fitting rubber seal 1.
Sealing ring land area 2 can be the common knowledge of this area, the knot of such as lateral wall and chamfering according to product structure definition position
Conjunction face.
Such as Fig. 4, template 19 at least one are provided between lower template 3 and cope plate 4；In the upper surface of middle template 19
On be provided with lower opening cavity 13, be provided with upper opening cavity 12 on the lower surface of middle template 19；Open adjacent lower section
Oral cavity body 13 is correspondingly arranged with upper opening cavity 12.Preferably two layers or three layers of template, can be with sandwich construction, so as to improve work
Make efficiency.
Such as Fig. 6,7, in addition to dispensing glue road 24 and a point glue by-path 25；Dispensing glue road 24 successively vertical connection cope plate 4, in
Template 19 and lower template 3；Point glue by-path 25 can be diversified forms structure, for example, be arranged in cope plate 4, middle template 19
In interior, lower template 3, between cope plate 4 and middle template 19, between adjacent middle template 19 and/or middle template 19 and lower template 3 it
Between be all the application protection domain；Point glue by-path 25 is used to connecting dispensing glue road 24 and corresponding die cavity 10, injector or
Material is expelled in die cavity 10 by press injector by dispensing glue road 24, a point glue by-path 25；Divide the length of glue by-path 25 identical.So as to
Uniform injection is realized, operating efficiency is improved, product quality is improved.
Such as Fig. 2-4,8-10, the top of cope plate 4 is provided with cold burden road material feeding plate 5, cold burden road material feeding plate 5 includes cold burden road
Plate body 21, the total gum-injecting port 22 being arranged on cold burden road plate body 21 and it is distributed in the Shang Zhujiao roads 23 of cold burden road plate body 21；It is main
Glue road 23 is multiple structural forms, can be according to actual conditions, and it is conduit Huo Zhujiao roads on the upper surface of cold burden road plate body 21
23 be that duct Huo Zhujiao roads 23 in cold burden road plate body 21 are between the lower surface of cold burden road plate body 21 and the upper surface of cope plate 4
Passage, is all the protection domain of the application；Total gum-injecting port 22 is connected by Zhu Jiao roads 23 with corresponding dispensing glue road 24, Zhu Jiao roads
23 length are identical；Cooling tube 26 is provided with cold burden road plate body 21.Made full use of so as to realize, it is to avoid material is in sulfuration process
Waste.
Such as Fig. 2,10；Structure type one, core rod 8 are set in the lower opening cavity 13 of lower template 3, are set in lower template 3
One or three ejection hole 11 is equipped with, the ejection upper end of hole 11 connects with lower opening cavity 13, set in the lower section of lower template 3
Some liftout plates 6, knock-pin 7 corresponding with ejection hole 11 is provided with the upper surface of liftout plate 6, and knock-pin 7 passes through ejection hole 11
Core rod 8 is ejected into lower opening cavity 13.
Preferably, three ejection holes 11 are lifted steadily.Middle template 19 is being provided with one or three ejection hole 11,
The ejection upper end of hole 11 is connected with lower opening cavity 13.
Such as Fig. 2, structure type two, core rod 8 up mount setting in the lower section of open-ended cavity 12, up under open-ended cavity 12
Side is provided with link 17, and the in-core seam step surface 16 hung on link 17 is provided with core rod 8.Certainly upper hanging hang structure is with
Roof construction, can be applied in combination according to equipment, operation, technique.
By taking both sides as an example, two layers is suspension type, after sulfuration process is finished, is successively opened from upper strata to lower floor, and take
Go out product；Two layers is ejecting type, after sulfuration process is finished, is successively opened from lower floor to upper strata, is specifically first to open most lower
Core rod ejection installed in lower floor is taken out product, knock-pin 7 is exited, and core rod falls on original position by layer, knock-pin 7 from core rod, will
Lower floor is exited, similarly, and middle level is dropped into knock-pin 7, or middle level drops to knock-pin 7, or knock-pin 7 rises core rod top
Go out, product is taken out from core rod, knock-pin 7 is exited, and core rod falls on original position.
Such as Fig. 3,4, mould lower convexity 15, the lower surface of upper mould lower convexity 15 and mould are up provided with open-ended cavity 12
The upper surface laminating of core 8 is set, and the positioning step of core rod 8 is arranged below in the positioning inner stopper 14 of open-ended cavity 13.Structure
It is compact, rational technology, design science.
Axle 18 is held in the palm as Fig. 2-4 is provided with the mould jack-up of opening for driving cope plate 4 to overturn or rise opening on cope plate 4,
Middle template 19 be provided with drive in template 19 overturn or rises open open in mould jack-up hold in the palm axle 20；In cope plate 4, middle template
Alignment pin 9 is coated between 19 and lower template 3.
During using the utility model, by taking three layers of template as an example, core rod 8 is mounted on upper opening cavity 12 and passed through
Bolt is fastened, or is placed directly on positioning in positioning inner stopper 14, is compressed by upper mould lower convexity 15, is realized positioning fastening, injection
Machine is by total gum-injecting port 22 of the material by cold burden road material feeding plate 5, one point of equidistant four roads Zhu Jiao road 23, and four road Zhu Jiao roads 23 are erected
It is straight enter dispensing glue road 24, dispensing glue road 24 is simultaneously to the bilevel point of feeding of glue by-path 25, every layer of 24 1 points of dispensing glue road
Material is sent in corresponding die cavity 10 by point glue by-path 25 on equidistant four tunnel, a point glue by-path 25.After injection is finished, in sulphur
Before chemical industry skill, cold burden road material feeding plate 5 is removed, cooling tube 26 plays a part of cooling, so that cold burden road material feeding plate 5 can
To reuse, it is to avoid its internal material waste, operating efficiency is improved, cost is reduced.When finishing for progress sulfuration process
Afterwards, mould jack-up is lifted out by artificial, manipulator or hydraulic cylinder etc. and holds in the palm axle 18, so as to upper former 4 be opened, so that will be outstanding
The groove pipe fitting rubber seal 1 hung on core rod 8 is removed, and asks axle 20 sequentially to open middle level template 19 by opening middle mould jack-up,
So as to which the groove pipe fitting rubber seal 1 being suspended on core rod 8 be removed, as the deformation of method, pass through the ejection of liftout plate 6
The insertion lower opening of bar 7 cavity 13 takes out groove pipe fitting rubber seal 1, unfolding mode has many kinds so as to which core rod 8 be ejected
Mode, can also successively take out layer template downwards, and opening can be with.
The utility model is reasonable in design, with low cost, durable, safe and reliable, simple to operate, time saving and energy saving, save
Fund, compact conformation and easy to use.
The utility model, which is fully described, to be disclosed in order to more clear, and is not just being enumerated for prior art.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；It is obvious that multiple technical schemes of the present utility model, which are combined, as those skilled in the art.And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose.
Claims (10)
1. a kind of injection molding die of groove pipe fitting rubber seal, it is characterised in that：It is that injector or press injector make
Groove pipe fitting rubber seal (1) matching used mould, including lower template (3), upper former (4), it is arranged on lower floor's mould
Core rod (8) between plate (3) and upper former (4), the upper opening cavity (12) being arranged on upper former (4) lower surface with
And the lower opening cavity (13) on lower template (3) upper surface is arranged on, lower template (3) is set with upper former (4) pairing
Put, upper opening cavity (12) constitutes the die cavity for making groove pipe fitting rubber seal (1) with lower opening cavity (13)
(10)；Core rod (8) is arranged in die cavity (10), and lower template (3) is sealing ring land area (2) with upper former (4) involutory surface,
Upper opening cavity (12) is located at the top of sealing ring land area (2), and lower opening cavity (13) is located at sealing ring land area (2)
Lower section.
2. the injection molding die of groove pipe fitting rubber seal according to claim 1, it is characterised in that:In lower floor's mould
At least one middle level template (19) is provided between plate (3) and upper former (4)；Set on the upper surface of middle level template (19)
There is lower opening cavity (13), upper opening cavity (12) is provided with the lower surface of middle level template (19)；
The lower opening cavity (13) of adjacent layer template is set with upper opening cavity (12) pairing.
3. the injection molding die of groove pipe fitting rubber seal according to claim 2, it is characterised in that:Also include dividing
Injecting glue road (24) and a point glue by-path (25)；Dispensing Jiao Dao (24) successively vertical connection upper former (4), middle level template (19) and
Lower template (3)；Glue by-path (25) is divided to be arranged in upper former (4), middle level template (19) is interior, lower template (3) is interior, upper strata
Between template (4) and middle level template (19), between adjacent middle level template (19) and/or middle level template (19) and lower template (3)
Between；Glue by-path (25) is divided to be used to connect dispensing Jiao Dao (24) and corresponding die cavity (10), injector or press injector lead to material
Undue injecting glue road (24), a point glue by-path (25) are expelled in die cavity (10)；
Divide the length of glue by-path (25) identical.
4. the injection molding die of groove pipe fitting rubber seal according to claim 3, it is characterised in that:In upper strata mould
Cold burden road material feeding plate (5) is provided with above plate (4), cold burden road material feeding plate (5) includes cold burden road plate body (21), is arranged on cold burden road
Total gum-injecting port (22) on plate body (21) and it is distributed in cold burden road plate body (21) Shang Zhujiao roads (23)；Zhu Jiao roads (23) are to set
Put on the upper surface of cold burden road plate body (21) conduit Huo Zhujiao roads (23) be the duct that is arranged in cold burden road plate body (21) or
Zhu Jiao roads (23) are the passage being arranged between the lower surface of cold burden road plate body (21) and upper former (4) upper surface；Total injecting glue
Mouth (22) is connected by Zhu Jiao roads (23) with corresponding dispensing Jiao Dao (24), and Zhu Jiao roads (23) length is identical；
Cooling tube (26) is provided with cold burden road plate body (21).
5. the injection molding die of the groove pipe fitting rubber seal according to claim any one of 1-4, it is characterised in that:
Core rod (8) is arranged in the lower opening cavity (13) of lower template (3), and lower template (3) is provided with one or three top
Portal (11), ejection hole (11) upper end is connected with lower opening cavity (13),
The liftout plate (6) being provided with below lower template (3), is provided with and ejection hole on liftout plate (6) upper surface
(11) core rod (8) is ejected lower opening cavity (13) by corresponding knock-pin (7), knock-pin (7) through ejection hole (11).
6. the injection molding die of the groove pipe fitting rubber seal according to claim any one of 1-4, it is characterised in that:
Core rod (8) up mounts setting in open-ended cavity (12) lower section.
7. the injection molding die of the groove pipe fitting rubber seal according to claim any one of 1-4, it is characterised in that:
Up it is provided with mould lower convexity (15) in open-ended cavity (12), the lower surface of upper mould lower convexity (15) is upper with core rod (8)
Surface laminating is set, and the positioning step of core rod (8) is arranged below in the positioning inner stopper (14) of open-ended cavity (13).
8. the injection molding die of the groove pipe fitting rubber seal according to claim any one of 2-4, it is characterised in that:
It is provided with to drive upper former (4) upset or rise the upper mould jack-up of opening opened in upper former (4) and holds in the palm axle (18), in middle level
Template (19), which is provided with to drive middle level template (19) upset or rise the middle mould jack-up of opening opened, holds in the palm axle (20)；In upper former
(4) alignment pin (9), is coated between middle level template (19) and lower template (3).
9. a kind of be used for the cold burden road material feeding plate of injector or press injector, it is characterised in that:It is arranged on the upper former of mould
(4) top, including cold burden road plate body (21), total gum-injecting port (22) for being arranged on cold burden road plate body (21) and it is distributed in cold burden
Road plate body (21) Shang Zhujiao roads (23)；Zhu Jiao roads (23) are conduit Huo Zhujiao roads (23) on the upper surface of cold burden road plate body (21)
For the lower surface and upper former (4) upper table that the duct Huo Zhujiao roads (23) in cold burden road plate body (21) are cold burden road plate body (21)
Passage between face；Total gum-injecting port (22) is connected by Zhu Jiao roads (23) dispensing Jiao Dao (24) corresponding with upper former (4), main
Jiao Dao (23) length is identical.
10. according to claim 9 be used for the cold burden road material feeding plate of injector or press injector, it is characterised in that:In cold burden
Cooling tube (26) is provided with road plate body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482020.8U CN206357564U (en) | 2016-12-30 | 2016-12-30 | The injection molding die of groove pipe fitting rubber seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621482020.8U CN206357564U (en) | 2016-12-30 | 2016-12-30 | The injection molding die of groove pipe fitting rubber seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206357564U true CN206357564U (en) | 2017-07-28 |
Family
ID=59378545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621482020.8U Expired - Fee Related CN206357564U (en) | 2016-12-30 | 2016-12-30 | The injection molding die of groove pipe fitting rubber seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206357564U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553841A (en) * | 2017-10-12 | 2018-01-09 | 佛山伊之密精密橡胶机械有限公司 | A kind of three layers of liftout attachment of the multiple layers of molds demoulding |
| CN107756712A (en) * | 2017-11-16 | 2018-03-06 | 肖海斌 | A kind of miniaturization liquid-state silicon gel forming machine for being applied to three template dies |
| CN107901340A (en) * | 2017-11-16 | 2018-04-13 | 青岛开世密封工业有限公司 | A kind of bonded washer mould and its application method |
-
2016
- 2016-12-30 CN CN201621482020.8U patent/CN206357564U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553841A (en) * | 2017-10-12 | 2018-01-09 | 佛山伊之密精密橡胶机械有限公司 | A kind of three layers of liftout attachment of the multiple layers of molds demoulding |
| CN107553841B (en) * | 2017-10-12 | 2023-09-15 | 广东伊之密精密橡塑装备科技有限公司 | Three-layer ejection device for demolding of multilayer mold |
| CN107756712A (en) * | 2017-11-16 | 2018-03-06 | 肖海斌 | A kind of miniaturization liquid-state silicon gel forming machine for being applied to three template dies |
| CN107901340A (en) * | 2017-11-16 | 2018-04-13 | 青岛开世密封工业有限公司 | A kind of bonded washer mould and its application method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20201230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |