CN107097380A - A kind of mould of reducing glue core and the method that reducing glue core is produced using the mould - Google Patents
A kind of mould of reducing glue core and the method that reducing glue core is produced using the mould Download PDFInfo
- Publication number
- CN107097380A CN107097380A CN201710493187.7A CN201710493187A CN107097380A CN 107097380 A CN107097380 A CN 107097380A CN 201710493187 A CN201710493187 A CN 201710493187A CN 107097380 A CN107097380 A CN 107097380A
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- China
- Prior art keywords
- fan
- metallic framework
- mould
- group
- glue core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14631—Coating reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14147—Positioning or centering articles in the mould using pins or needles penetrating through the insert
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The method that the present invention is disclosed a kind of mould of reducing glue core and reducing glue core is produced using the mould, the mould includes the metallic framework group of the core of circular arc and the circular arc outer rim positioned at the core, the metallic framework group includes multiple metallic framework units, each metallic framework unit is provided with fan-shaped connecting portion, the adjacent metallic framework unit is connected by the fan-shaped connecting portion successively angle adjustable, form the metallic framework group of arc-shaped structure, the metallic framework group two ends are respectively arranged with cushion block group, the cushion block group is fixed the metallic framework group by cushion block pin.Designed by the radius-adjustable of interior metal skeleton group, realize that reducing glue core product can be adjustable in certain radius, realize the purpose of reducing, improve the intensity and hardness of reducing glue core product, the drilling tool of a variety of different sizes is suitable for, personnel labor intensity is reduced, operating efficiency is improved.
Description
Technical field
The present invention relates to the injection mold of rubber and production technical field, and in particular to a kind of mould of reducing glue core
And the method that reducing glue core is produced using the mould.
Background technology
In petroleum drilling and mining drilling operation course, blowout hookup (i.e. preventer) and key fitment rubber glue that well head is set
Core is essential.Wherein rubber glue core is the rubber parts sealed in blowout-proof apparatus of oil well, separating brake it is board-like, rotary and
Three kinds of multiple-effect functional form, for preventing blowout in oil development and geological drilling drilling process, its effect is by control system
Hold the drilling rod and underground apparatus of all size tightly, seal well head, prevent oil, gas blowout from going out.The rubber glue core of existing blowout prevention is all
Common, a kind of drilling tool of specification can only be sealed, when needing to change the drilling tool of other specifications in well, just has to change corresponding rule
The blowout prevention rubber glue core of lattice.So, the labor intensity of well control personnel is big, waste time length, or even is also possible under special circumstances
Stop boring.
The content of the invention
In view of this, the method that the application is provided a kind of mould of reducing glue core and reducing glue core is produced using the mould,
Designed by the radius-adjustable of interior metal skeleton group, realize that reducing glue core product can be adjustable in certain radius,
The purpose of reducing is realized, the intensity and hardness of reducing glue core product is improved, the drilling tool of a variety of different sizes is suitable for, personnel are reduced
Labor intensity, improves operating efficiency.
To solve above technical problem, the technical scheme that the present invention is provided is a kind of mould of reducing glue core, the mould
The metallic framework group of core including circular arc and the circular arc outer rim positioned at the core, the metallic framework group includes many
Individual metallic framework unit, each metallic framework unit is provided with fan-shaped connecting portion, and the adjacent metallic framework unit passes through institute
Stating fan-shaped connecting portion, angle adjustable is connected successively, forms the metallic framework group of arc-shaped structure, the metallic framework group two ends point
Cushion block group is not provided with, and the cushion block group is fixed the metallic framework group by cushion block pin.
By above technical scheme, in the mould for preparing rubber reducing glue core, there is provided metallic framework group, metal bone
Frame group is in turn connected to form by multiple metallic framework units, wherein setting fan-shaped connecting portion on metallic framework unit, is made adjacent
The connection of metallic framework unit angle adjustable, fixed by cushion block group, and by being placed on the core outer rim of circular arc, obtaining can
To produce the reducing glue core mold of certain radius, by the further operation such as matched moulds up and down, injecting glue production is carried out.The application skill
Art scheme is designed by the radius-adjustable of interior metal skeleton group, reducing glue core product can be obtained, due to reducing glue core inner
The radius of metallic framework group can be determined by adjacent metallic framework unit angle adjustable, therefore obtained reducing glue core production
Product can be adjustable in certain radius, realizes the purpose of reducing, is adapted to the drilling tool of a variety of different sizes, improves glue
The applicability of core, it is to avoid repeatedly change the glue core of dimension, reduces personnel labor intensity, improves operating efficiency；Further, since
Contain metallic framework group in the reducing glue core product produced, it is possible to increase the intensity and hardness of reducing glue core product.
Further, the mould also includes the upper die and lower die of dimensional fits, the core and the metallic framework group
Inside the lower mould, sizing material injection-tube is provided with the upper mould, the sizing material injection-tube is with being located at the upper mould and institute
State the sizing material injection channel connection inside lower mould.Described mould further comprises upper die and lower die, by core and metallic framework group
It is arranged inside lower mould, by the sizing material injection channel connected in the sizing material injection-tube and mould on upper mould top, is conducive to glue
Expect to inject to metallic framework group, form the product structure of reducing glue core.
Further, the fan-shaped connecting portion includes symmetrically arranged fan-shaped connecting portion and lower fan-shaped connecting portion, described
Upper fan-shaped connecting portion and the lower fan-shaped connecting portion are connected by metal connecting plate.Fan-shaped connecting portion be set to it is symmetrical above and below, just
In connection, while after connecting portion up and down is connected by metal connecting plate, the vacant position in middle part is the portion of sizing material injection
Point, sizing material is formed the glue cored structure containing metallic framework group after solidifying, the reducing glue core product produced can be by interior
The radius-adjustable design of portion's metallic framework group, reaches the adjustable effect of radius of glue core.
Further, the upper fan-shaped connecting portion and the lower fan-shaped connecting portion include the fan-shaped briquetting being set up in parallel
With fan-shaped step, the fan-shaped briquetting is higher than the fan-shaped step.The fan-shaped connecting portion of upper and lower part includes fan-shaped briquetting
With fan-shaped step, when carrying out metallic framework unit and being arranged in order connection, the fan-shaped briquetting of a skeleton unit is pushed down adjacent another
The fan-shaped step of skeleton unit, it is possible to achieve the stability of metallic framework group connection, while metallic framework group unit can be realized
The level of connecting portion, is conducive to the assembling of mold component, while decreasing the crude place of the reducing glue core product after the demoulding
Science and engineering is made.
Further, the outer rim of the fan-shaped briquetting sets fluted, and the fan-shaped step edge, which is provided with, is higher by institute
The coupler body of fan-shaped step edge is stated, the outer rim of the groove and the inner dimensions of the coupler body coordinate.In addition, on fan-shaped briquetting
Groove is set, coupler body is set on fan-shaped step, when multiple metallic framework units are sequentially connected, groove and coupler body can be passed through
Between mutual cooperation, improve the convenience of multiple metallic framework units connection and the stability of metallic framework group.
Further, the central angle of the fan-shaped briquetting is 20~40 °, the central angle of the fan-shaped step for 20~
40°.Limit the central angle angle of fan-shaped briquetting and fan-shaped step, you can to limit the angle adjustable of fan-shaped briquetting and fan-shaped step
The connection of rotation, and then can realize that the radius of metallic framework group is adjustable within the specific limits, obtain in the range of certain radius
Adjustable reducing glue core product.
Further, the central angle of the fan-shaped briquetting is 30 °, and the central angle of the fan-shaped step is 30 °.Its middle fan
The central angle of shape briquetting and fan-shaped step is preferably 90 °, and metallic framework unit easily makes, while the half of the metallic framework group formed
Footpath is adjustable within the specific limits.
Further, the metallic framework group also includes skeleton pin, and the skeleton pins position is in adjacent metal skeleton unit
Junction.In addition, metallic framework group further comprises skeleton pin, after the completion of the skeleton pin is sequentially connected for metallic framework group,
On the fan-shaped briquetting for being arranged on adjacent metal skeleton unit junction, by the insertion of skeleton pin, adjacent metal bone can be fixed
Angle between frame unit, takes out after depanning, it is to avoid cast makes the gap that sizing material is filled between metallic framework unit, shadow
The rotates effe between metallic framework unit is rung, the adjustability of metallic framework group radius is improved, and then improve reducing glue core half
The adjustability in footpath.
Technical scheme also provide it is a kind of using above-mentioned mould produce reducing glue core method, methods described include with
Lower step：
(1) by multiple metallic framework units successively ordered arrangement formation metallic framework group, skeleton pin is placed on metal bone
In frame group in the gap of adjacent metal skeleton unit；
(2) core is arranged on lower mould, metallic framework group is positioned on the core back side, connected at metallic framework group two ends
Connected the cushion block group that cushion block pin is fixed；
(3) by upper die and lower die matched moulds；
(4) by the weight of the reducing glue core calculated, sizing material is injected by the sizing material injection-tube of upper mould, sizing material injection
After start vulcanization, vulcanization terminate after upper mould is opened, depanning obtains reducing glue core product.
The method that reducing glue core is produced by above-mentioned use mould, can realize that injection moulding produces the adjustable reducing of radius
Glue core product, improves the hardness of reducing glue core product.
Based on described above, technical scheme is relative to prior art, its advantage：(1) inside is passed through
The radius-adjustable design of metallic framework group, realizes that reducing glue core product can be adjustable in certain radius, realizes reducing
Purpose；(2) drilling tool of a variety of different sizes is adapted to, the applicability of glue core is improved, it is to avoid repeatedly change dimension
Glue core, reduce personnel labor intensity, improve operating efficiency；(3) metallic framework group is contained in the reducing glue core product produced,
The intensity and hardness of reducing glue core product can be improved；(4) metallic framework group stable connection and convenient, is conducive to mold component
Assembling, reduces the crude processing work of the reducing glue core product after the demoulding.
Brief description of the drawings
Fig. 1 be a kind of herein described rubber reducing glue core mould in metallic framework group structure chart；
Fig. 2 be a kind of herein described rubber reducing glue core mould in metallic framework unit structure chart；
Fig. 3 is Fig. 2 top view；
Fig. 4 be a kind of herein described rubber reducing glue core mould in metallic framework group and cushion block group position relationship
Figure；
Fig. 5 be a kind of herein described rubber reducing glue core mould in cushion block group and the annexation figure of cushion block pin；
Fig. 6 is a kind of structural representation of the mould of herein described rubber reducing glue core.
Marked in figure：It is fan-shaped under 1- metallic framework groups, 2- metallic framework units, 3- cushion block groups, the upper fan-shaped connecting portions of 4-, 5-
Mould, 13- under connecting portion, 6- metal connecting plates, 7- sector briquettings, 8- sector steps, 9- grooves, 10- coupler bodies, the upper moulds of 11-, 12-
Sizing material injection-tube, 14- cushion block pins.
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to specific embodiment pair
The present invention is described in further detail.
Embodiment 1
A kind of mould of rubber reducing glue core as shown in figs. 1 to 6, the mould includes the upper mould 11 of dimensional fits with
The metallic framework group 1 of mould 12, the core (not shown) of circular arc and the circular arc outer rim positioned at the core, the metal bone
Frame group 1 includes multiple metallic framework units 2, and each metallic framework unit 2 is provided with fan-shaped connecting portion, the adjacent metal bone
Frame unit 2 is connected by the fan-shaped connecting portion successively angle adjustable, forms the metallic framework group 1 of arc-shaped structure, the gold
The two ends of category skeleton group 1 are respectively arranged with cushion block group 3, and the cushion block group 3 is fixed the metallic framework group 1 by cushion block pin 14,
The core is located inside the lower mould 12 with the metallic framework group 1, and sizing material injection-tube 13, institute are provided with the upper mould 11
Sizing material injection-tube 13 is stated to connect with the sizing material injection channel (not shown) inside the upper mould 11 and the lower mould 12.
The method for producing reducing glue core using above-mentioned mould comprises the following steps：
(1) by multiple metallic framework units 2 successively ordered arrangement formation metallic framework group 1, skeleton pin (not shown) is put
Put in metallic framework group 1 in the gap of adjacent metal skeleton unit 2；
(2) core is arranged on lower mould 12, metallic framework group 1 is positioned on the core back side, in 1 liang of metallic framework group
End connects through the cushion block group 3 that cushion block pin 14 is fixed；
(3) by upper mould 11 and the lower matched moulds of mould 12；
(4) by the weight of the reducing glue core calculated, sizing material is injected by the sizing material injection-tube 13 of upper mould 11, sizing material
Start vulcanization after injection, vulcanization opens upper mould 11 after terminating, and depanning obtains reducing glue core product.
Embodiment 2
Based on embodiment 1, as shown in Figures 1 to 3, the fan-shaped connecting portion includes the symmetrically arranged fan-shaped He of connecting portion 4
Lower fan-shaped connecting portion 5, the upper fan-shaped connecting portion 4 and the lower fan-shaped connecting portion 5 are connected by metal connecting plate 6, it is described on
Fan-shaped connecting portion 4 and the lower fan-shaped connecting portion 5 include the fan-shaped briquetting 7 being set up in parallel and fan-shaped step 8, the fan-shaped pressure
Block 7 is higher than the fan-shaped step 8, and the outer rim of the fan-shaped briquetting 7 sets fluted 9, and the fan-shaped edge of step 8 is provided with height
Go out the coupler body 10 at the edge of fan-shaped step 8, the outer rim of the groove 9 and the inner dimensions of the coupler body 10 coordinate.
When carrying out metallic framework unit 2 and being arranged in order connection, the fan-shaped briquetting 7 of a metallic framework unit is pushed down adjacent another
The fan-shaped step 8 of one metallic framework unit, in addition further can by the mutual cooperation between groove 9 and coupler body 10,
Stability and convenience that metallic framework group 1 is connected can be realized, while the connecting portion of metallic framework group unit 2 can be realized
Level, is conducive to the assembling of mold component, while decreasing the crude processing work of the reducing glue core product after the demoulding.
Embodiment 3
Based on embodiment 2, as shown in Figures 1 to 3, the central angle of the fan-shaped briquetting 7 is 20~40 °, the fan-shaped step 8
Central angle be 20~40 °, wherein the central angle of more preferably fan-shaped briquetting 7 is 30 °, the central angle of fan-shaped step 8 is
30°.The connection of angle adjustable rotation when fan-shaped briquetting 7 and fan-shaped step 8 are connected can be ensured, and then metallic framework group can be realized
Radius it is adjustable within the specific limits.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of mould of reducing glue core, it is characterised in that：The mould includes the core of circular arc and positioned at the core
Circular arc outer rim metallic framework group, the metallic framework group includes multiple metallic framework units, each metallic framework
Unit is provided with fan-shaped connecting portion, and the adjacent metallic framework unit is connected by the fan-shaped connecting portion successively angle adjustable, shape
The metallic framework group of structure in the arc-shaped, the metallic framework group two ends are respectively arranged with cushion block group, and the cushion block group passes through pad
Block pin fixes the metallic framework group.
2. a kind of mould of reducing glue core according to claim 1, it is characterised in that：The mould also includes dimensional fits
Upper die and lower die, the core and the metallic framework group be located inside the lower mould, and sizing material note is provided with the upper mould
Pipe is penetrated, the sizing material injection-tube is connected with the sizing material injection channel inside the upper mould and the lower mould.
3. a kind of mould of reducing glue core according to claim 1, it is characterised in that：The fan-shaped connecting portion includes symmetrical
The upper fan-shaped connecting portion and lower fan-shaped connecting portion set, the upper fan-shaped connecting portion and the lower fan-shaped connecting portion are connected by metal
Fishplate bar is connected.
4. a kind of mould of reducing glue core according to claim 3, it is characterised in that：The upper fan-shaped connecting portion and described
Lower fan-shaped connecting portion includes the fan-shaped briquetting being set up in parallel and fan-shaped step, and the fan-shaped briquetting is higher than the fan-shaped step.
5. a kind of mould of reducing glue core according to claim 4, it is characterised in that：The outer rim of the fan-shaped briquetting is set
Fluted, the fan-shaped step edge is provided with the coupler body for being higher by the fan-shaped step edge, the outer rim of the groove with it is described
The inner dimensions of coupler body coordinate.
6. a kind of mould of reducing glue core according to claim 4, it is characterised in that：The central angle of the fan-shaped briquetting is
20~40 °, the central angle of the fan-shaped step is 20~40 °.
7. a kind of mould of reducing glue core according to claim 1, it is characterised in that：The metallic framework group also includes
Skeleton pin, the skeleton pins position is in the junction of adjacent metal skeleton unit.
8. the method that a kind of any one of use claim 1~7 mould produces reducing glue core, it is characterised in that：The side
Method comprises the following steps：
(1) by multiple metallic framework units successively ordered arrangement formation metallic framework group, skeleton pin is placed on metallic framework group
In the gap of middle adjacent metal skeleton unit；
(2) core is arranged on lower mould, metallic framework group is positioned on the core back side, connection is logical at metallic framework group two ends
Cross the cushion block group that cushion block pin is fixed；
(3) by upper die and lower die matched moulds；
(4) by the weight of the reducing glue core calculated, sizing material is injected by the sizing material injection-tube of upper mould, opened after sizing material injection
Begin to vulcanize, vulcanization opens upper mould after terminating, and depanning obtains reducing glue core product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493187.7A CN107097380A (en) | 2017-06-26 | 2017-06-26 | A kind of mould of reducing glue core and the method that reducing glue core is produced using the mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493187.7A CN107097380A (en) | 2017-06-26 | 2017-06-26 | A kind of mould of reducing glue core and the method that reducing glue core is produced using the mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107097380A true CN107097380A (en) | 2017-08-29 |
Family
ID=59664289
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493187.7A Pending CN107097380A (en) | 2017-06-26 | 2017-06-26 | A kind of mould of reducing glue core and the method that reducing glue core is produced using the mould |
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| Country | Link |
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| CN (1) | CN107097380A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444404A (en) * | 1982-10-19 | 1984-04-24 | Hydril Company | Variable bore ram packing element and blowout preventer |
| JP2004153045A (en) * | 2002-10-31 | 2004-05-27 | Towa Corp | Method and metallic mold for molding sealing with resin for electronic part |
| CN101450519A (en) * | 2007-12-07 | 2009-06-10 | 合兴集团有限公司 | Production method of metal insert plastic product in vehicle sensor |
| US20130075952A1 (en) * | 2009-11-13 | 2013-03-28 | Mercury Plastics, Inc. | Method of making an overmolded waterway connection |
| CN104612622A (en) * | 2013-11-03 | 2015-05-13 | 卞康群 | Reducing rubber core |
| CN204663460U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram on a large scale |
| CN204663461U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram |
| US20170058626A1 (en) * | 2015-09-02 | 2017-03-02 | Cameron International Corporation | Blowout Preventer with High-Temperature Pipe Ram Assembly |
| CN206926156U (en) * | 2017-06-26 | 2018-01-26 | 四川新为橡塑有限公司 | A kind of mould of reducing glue core |
-
2017
- 2017-06-26 CN CN201710493187.7A patent/CN107097380A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4444404A (en) * | 1982-10-19 | 1984-04-24 | Hydril Company | Variable bore ram packing element and blowout preventer |
| JP2004153045A (en) * | 2002-10-31 | 2004-05-27 | Towa Corp | Method and metallic mold for molding sealing with resin for electronic part |
| CN101450519A (en) * | 2007-12-07 | 2009-06-10 | 合兴集团有限公司 | Production method of metal insert plastic product in vehicle sensor |
| US20130075952A1 (en) * | 2009-11-13 | 2013-03-28 | Mercury Plastics, Inc. | Method of making an overmolded waterway connection |
| CN104612622A (en) * | 2013-11-03 | 2015-05-13 | 卞康群 | Reducing rubber core |
| CN204663460U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram on a large scale |
| CN204663461U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram |
| US20170058626A1 (en) * | 2015-09-02 | 2017-03-02 | Cameron International Corporation | Blowout Preventer with High-Temperature Pipe Ram Assembly |
| CN206926156U (en) * | 2017-06-26 | 2018-01-26 | 四川新为橡塑有限公司 | A kind of mould of reducing glue core |
Non-Patent Citations (2)
| Title |
|---|
| 许宏奇: "闸板防喷器关键密封件设计与研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 许宏奇: "闸板防喷器关键密封件设计与研究", 中国优秀硕士学位论文全文数据库工程科技Ⅱ辑2018年第3期 * |
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Application publication date: 20170829 |