CN202378252U - Plastic mold with multi-direction core-pulling function - Google Patents
Plastic mold with multi-direction core-pulling function Download PDFInfo
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- CN202378252U CN202378252U CN2011204996140U CN201120499614U CN202378252U CN 202378252 U CN202378252 U CN 202378252U CN 2011204996140 U CN2011204996140 U CN 2011204996140U CN 201120499614 U CN201120499614 U CN 201120499614U CN 202378252 U CN202378252 U CN 202378252U
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Abstract
The utility model relates to a plastic mold with a multi-direction core-pulling function. The plastic mold consists of a fixed mold part, a movable mold part and a mold locking part, wherein the fixed mold part is connected and fixed with an injection molding machine through a pressing plate and a screw; after the mold is closed, a sprue sleeve is contacted with a nozzle of the injection molding machine, so that a plastic melt plastified by the injection molding machine can successfully enter a cavity of the mold; the movable mold part is connected with the injection molding machine through another pressing plate and another screw; after the mold is opened, a push rod of the injection molding machine pushes a thimble base plate, so that a mold ejection mechanism is pushed; a plastic piece is pushed out of a movable mold core; and the mold locking part is arranged in the middle of the mold, so that the mold can be precisely closed. Compared with the prior art, the core-pulling force is increased, and delayed core pulling is realized; an inner pulling mechanism is arranged on the movable mold part, so that a small pulling hook at the tail is formed; a push plate is adopted by an ejection part and used for pushing the plastic piece out, so that a phenomenon that a trace is retained on the surface of the plastic piece is avoided, and the appearance of the plastic piece is guaranteed; and therefore, the plastic mold performs operation sequentially.
Description
Technical field
The utility model relates to a kind of mould, especially relates to a kind of multi-faceted mould of plastics of loosing core.
Background technology
At present in the design of mould of plastics; When plastic when structurally porose, the boss of side direction (non-opening die direction), depression or side direction have surperficial specific (special) requirements (like dermatoglyph); This place of moulding must process and can be displaced sideways on the mould, so that before the plastic demoulding is released, earlier the side direction forming part extracted out; And then in mould, release plastic, otherwise can't the demoulding.If when a plurality of directions all existed side direction to require, mould structure required in a plurality of orientation core-pulling mechanism to be set plastic simultaneously.Because the action interference appears in the complexity of direction of action easily.When the plastic power of loosing core is prone to not foot phenomenon of withdrawing power when big, influence the plastic surface quality.The particular problem that the at present multi-faceted mould of plastics of loosing core exists is following: the part of, loosing core partly is prone to the interference that bumps with head part; Two, multi-faceted action of loosing core between the parts is prone to the action interference; Three, the not enough plastic surface quality that influences of power of loosing core.
The utility model content
The purpose of the utility model is exactly in order to overcome the defective that above-mentioned prior art exists a kind of power of loosing core that not only improved to be provided, and has realized that time-delay looses core; The pump structure is realized the shaping of the little drag hook of afterbody in dynamic model partly is provided with; Eject part and adopt push pedal to release plastic, avoid leaving a trace, guarantee the plastic outward appearance on the plastic surface.The overall multi-faceted mould of plastics of loosing core of action in order of realizing.
The purpose of the utility model can realize through following technical scheme:
A kind of multi-faceted mould of plastics of loosing core partly is made up of cover half part, dynamic model part and locked mode, wherein,
Is connected fixingly between cover half part and the injection machine through pressing plate, screw, behind the mould matched moulds, sprue bush contacts with the injection machine nozzle, makes injection machine plastify the plastic melt of getting well and gets into mold cavity smoothly;
Dynamic model partly is connected fixing with injection machine through pressing plate, screw, after the mould die sinking, the injection machine push rod promotes the thimble backing plate, realizes action thereby infer the mould ejecting mechanism, and plastic is pushed out dynamic mould core;
Locked mode partly is arranged on the centre of mould, guarantees accurate matched moulds.
Described dynamic model partly comprises:
Interior pump structure: comprise dynamic model backing plate, moving die insert, in take out axle bed, in take out insert, straight pin and head part plate; Described moving die insert and dynamic model backing plate are connected through the fixing mode of step, in take out axle bed with in take out to insert and fix and fix through straight pin through soket head cap screw;
Ejecting mechanism: comprise release link, ejector retainner plate, thimble backing plate, described release link and ejector retainner plate are fixed through the step mode, and through screw and pin location.
Described dynamic model partly comprises moving platen, and this moving platen is connected with the guide pin bushing interference of mould.
Described dynamic model backing plate is through screw and pin and mould pin and Bottom clamp plate location.
Described cover half partly comprises:
Cast mechanism: be made up of sprue bush, centring ring, gate plate, sprue bush is connected with the top clamping plate and the gate plate interference of cover half part;
Oblique core-pulling mechanism: comprise angled-lift splits, guide rail, slide block mold insert, block, straight pin, square Angle Pin and wedge; The slide block mold insert cooperates through the straight pin location and with guide clearance; Angled-lift splits and guide rail are matched in clearance; Guide rail and block are connected on the head part plate of dynamic model part through soket head cap screw, and wedge, square Angle Pin are connected through soket head cap screw with solid plate.
Described top clamping plate is provided with two pull bars, and first pull bar is connected on the top clamping plate through soket head cap screw, and second pull bar is that stepped form is connected with top clamping plate, and the end of second pull bar is connected with screw.
Described cover half partly comprises solid plate, fixed die insert and cover half core, is fastenedly connected through hexagon socket head cap screw.
Described solid plate and guide pin bushing adopt interference fit joint, and guide pin bushing is connected with guide pillar through matched in clearance.
Compared with prior art, the utility model especially can use in the plastic surface requirements higher, and has side direction through hole, depression, boss or dermatoglyph requirement or the inner occasion that has little drag hook in a plurality of directions.This mould adopt sub marine gate, square curving guide pillar loose core, in take out the ingenious combination that structure, push pedal such as eject at mechanism, successfully solved the moulding and the demoulding difficult problem of complicated plastic, compact overall structure.Avoided the surperficial cast vestige of plastic because of this method, the plastic surface quality is higher; Realized delaying time and loosed core, avoided interference.Utilize square Angle Pin, improved the power of loosing core.This multi-faceted Mould design of loosing core is that complicated plastic mould provides a kind of new structure.Through the multi-faceted mould of plastics of loosing core that uses this paper to propose, product quality is higher, and economic benefit is with considerable.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the utility model;
Fig. 3 is the structural representation of the utility model;
Fig. 4 is the structural representation of the utility model;
Fig. 5 is the structural representation of the utility model;
Fig. 6 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
A kind of multi-faceted mould of plastics of loosing core, its structure are shown in Fig. 1-6, and this multi-faceted mould of plastics of loosing core partly is made up of cover half part, dynamic model part, locked mode.
The cover half part is by top clamping plate 1; Solid plate 2; The 3rd angled-lift splits 11; First guide rail 12; The 5th slide block mold insert 13; The 6th slide block mold insert 14; The 7th slide block mold insert 15; The 8th slide block mold insert 16; Second angled-lift splits 17; Second guide rail 18; The 4th angled-lift splits 19; Four-slider mold insert 34; The 3rd slide block mold insert 35; The second slide block mold insert 36; The first slide block mold insert 37; First block 38; The 5th soket head cap screw 39; The 4th straight pin 40; The 6th soket head cap screw 41; The 7th soket head cap screw 42; Second block; The first square Angle Pin 46; First wedge 49; Soket head cap screw 50; The 8th soket head cap screw 52; First pull bar 53; Second wedge; The 5th straight pin 55; The 9th soket head cap screw 56; The second square Angle Pin 57; Fixed die insert; The cover half core; The tenth soket head cap screw 60; Second sprue bush 61; First sprue bush 62; The 11 soket head cap screw 63; Centring ring 64; Last gate plate 65; The 12 soket head cap screw; Little gate plate 67; The 13 soket head cap screw; Guide pin bushing 69; Second pull bar 70; Packing ring; The rectangle spring is formed.
Cover half part can be divided into running gate system, oblique mechanism such as loose core; Its connection form is: running gate system is by second sprue bush 61; First sprue bush 62; The 11 soket head cap screw 63; Centring ring 64; Last gate plate 65; The 12 soket head cap screw; Little gate plate 67; The 13 soket head cap screw is formed; Interference fit joint between second sprue bush 61 and solid plate 2, the little gate plate 67; Interference fit joint between first sprue bush 62 and top clamping plate 1, the last gate plate 65; Connect through the 12 soket head cap screw is fastening between little gate plate 67 and the last gate plate 65; First sprue bush 62 outer with centring ring 64 interference fit joint, between centring ring 64 and the top clamping plate 1 through 63 fastening connections of the 11 soket head cap screw, employing interference fit joint mode between last gate plate 65 and the top clamping plate 1, between little gate plate 67 and the solid plate 2; Fixed die insert, cover half core and solid plate 2 are through 60 fastening connections of the tenth soket head cap screw; Tiltedly core-pulling mechanism is by the 3rd angled-lift splits 11; First guide rail 12; The 5th slide block mold insert 13; The 6th slide block mold insert 14; The 7th slide block mold insert 15; The 8th slide block mold insert 16; Second angled-lift splits 17; Second guide rail 18; The 4th angled-lift splits 19; Four-slider mold insert 34; The 3rd slide block mold insert 35; The second slide block mold insert 36; The first slide block mold insert 37; First block 38; The 5th soket head cap screw 39; The 4th straight pin 40; The 6th soket head cap screw 41; The 7th soket head cap screw 42; Second block; The first square Angle Pin 46; First wedge 49; Soket head cap screw 50 is formed; Four-slider mold insert 34, the 3rd slide block mold insert 35, the second slide block mold insert 36, the first slide block mold insert 37 are accurately located through straight pin with angled-lift splits-1; The 5th slide block mold insert 13, the 6th slide block mold insert 14, the 7th slide block mold insert 15, the 8th slide block mold insert 16 and second angled-lift splits 17 are accurately located through straight pin, and and first guide rail 12 between realize matched in clearance; Realize matched in clearance between the 3rd angled-lift splits 11, the 4th angled-lift splits 19 and the guide rail-2; First guide rail 12 and first block 38 are connected on the head part plate through the 5th soket head cap screw 39, are used to prevent that angled-lift splits-1, angled-lift splits-2 from skidding off.Second guide rail 18 and second block are connected on the head part plate through the 7th soket head cap screw 42, are used to prevent that angled-lift splits-3, angled-lift splits-4 from skidding off; Through 50 fastening connections of soket head cap screw, connect through the 9th soket head cap screw is fastening between second wedge, the second square Angle Pin 57 and the solid plate 2, and 56 straight pins are realized accurately location between the first square Angle Pin 46, first wedge 49 and the solid plate 2.Connect through the 8th soket head cap screw 52 between first pull bar 53 and the top clamping plate 1; Second pull bar 70 is connected with top clamping plate 1 stepped form, at second pull bar, 70 ends screw attachment is arranged, the distance that the control pull bar is pulled out.Adopt interference fit joint between guide pin bushing 69 and the solid plate 2.Matched in clearance between guide pillar 27 and the guide pin bushing 69.
Working method is: is connected fixingly between cover half part and the injection machine through pressing plate, screw, behind the mould matched moulds, sprue bush contacts with the injection machine nozzle, makes injection machine plastify the plastic melt of getting well and gets into mold cavity smoothly.(die cavity is the closed cavity that forms behind the mould matched moulds.)
Mould dynamic model part is by moving platen 4; Dynamic model backing plate 6; Mould pin 7; Ejector retainner plate 8; Thimble backing plate 9; Bottom clamp plate 10; Small raft; Second soket head cap screw 21; Moving die insert; First straight pin 23; The head part plate; The 3rd soket head cap screw 25; Second straight pin 26; Guide pillar 27; Positioning bead 28; In take out axle bed; The 4th soket head cap screw; Three cylindrical pin 31; In take out mold insert 32; Release link 33; Fast joint of waterpipe 45; Guide pin bushing 69 is formed.
Pump structure and ejecting mechanism etc. in the dynamic model part can be divided into; Its connection form is: interior pump structure is by small raft; Second soket head cap screw 21; Moving die insert; First straight pin 23; The head part plate; The 3rd soket head cap screw 25; Second straight pin 26 is formed, connect through the fixing mode of step between moving die insert and the dynamic model backing plate 6, and with small raft through 21 fastening connections of realization of second soket head cap screw.In take out axle bed with in to take out mold insert 32 fastening through the 4th soket head cap screw, accurately locate through three cylindrical pin 31; Ejecting mechanism is made up of release link 33, ejector retainner plate 8, thimble backing plate 9.Between release link 33 and the ejector retainner plate 8 through the step fixed form, and and thimble backing plate 9 between through screw and pin location.Locate through screw and pin between moving platen 4 and the dynamic model backing plate 6.Locate through screw and pin between dynamic model backing plate 6, mould pin 7, the Bottom clamp plate 10.Fast joint of waterpipe 45 adopts gas thread made in Great Britain to be connected with moving platen 4 with solid plate 2.Adopt interference fit joint between guide pin bushing 69 and the moving platen 4.
Working method is: dynamic model partly is connected fixingly with injection machine through pressing plate, screw on the whole, and after the mould die sinking, the injection machine push rod promotes the thimble backing plate, moves thereby infer the realization of mould ejecting mechanism, and plastic is pushed out dynamic mould core.
Puller plate 47 is arranged between dynamic model and the dynamic model, and connect through puller plate screw special 48.For guaranteeing accurate matched moulds, clamping mechanism 44 is set also between dynamic model and the dynamic model.For preventing to throw off between the dynamic model and cover half in transit, clamping mechanism is set forms by first lock module 3, second lock module 51.After mould was installed to injection machine, this clamping mechanism will be by removal.
The operation principle of whole secondary mould is following:
During matched moulds, dynamic model and cover half form near closed hollow ring, and mould gate cover-1 contacts with the injection machine nozzle, make the plastics of fusion in the injection machine get into die cavity through running gate system smoothly.Behind pressurize, cooling and shaping, die sinking.
During die sinking, top clamping plate 1 separates under the effect of square type spring 72 with solid plate 2, realizes for the first time separately, will expect that simultaneously handle separates with sprue bush-1; Continue die sinking then, when upper and lower material handle all can be obtained out, the straightway of square Angle Pin-1, square Angle Pin-2 was just in time covered; Then continue die sinking again, core-pulling mechanism is accomplished the action of loosing core; Last clamping mechanism 44 disengagements under the effect of 69 pull bars-2, cover half separates with dynamic model fully, realizes for the second time separately.Cooperate between guide pillar and the guide pin bushing in the die sinking process and guarantee accurately guiding.
Next ejecting mechanism begins action.Under the effect of release link 33,3 moving platens begin to move to the cover half direction, move to puller plate 47 spacing in the time, moving die insert moves as fork along the direction of regulation, accomplishes the action of loosing core; The head part plate is released the dynamic model die cavity with plastic simultaneously, accomplishes entire exercise.
During matched moulds, dynamic model and cover half form near closed hollow ring, and mould gate cover-1 contacts with the injection machine nozzle, make the plastics of fusion in the injection machine get into die cavity through running gate system smoothly.Behind pressurize, cooling and shaping, die sinking.
During die sinking, top clamping plate 1 separates under the effect of square type spring 72 with solid plate 2, realizes for the first time separately, will expect that simultaneously handle separates with sprue bush; Continue die sinking then, when upper and lower material handle all can be obtained out, the straightway of two square Angle Pins was just in time covered; Then continue die sinking again, core-pulling mechanism is accomplished the action of loosing core; Last clamping mechanism 44 disengagements under the effect of 69 pull bars-2, cover half separates with dynamic model fully, realizes for the second time separately.Cooperate between guide pillar and the guide pin bushing in the die sinking process and guarantee accurately guiding.
Next ejecting mechanism begins action.Under the effect of release link 33, moving platen 3 begins to move to the cover half direction, move to puller plate 47 spacing in the time, moving die insert moves as fork along the direction of regulation, accomplishes the action of loosing core; The head part plate is released plastic simultaneously, accomplishes a forming process.
Claims (8)
1. a multi-faceted mould of plastics of loosing core is characterized in that, this mould partly is made up of cover half part, dynamic model part and locked mode, wherein,
Is connected fixingly between cover half part and the injection machine through pressing plate, screw, behind the mould matched moulds, sprue bush contacts with the injection machine nozzle, makes injection machine plastify the plastic melt of getting well and gets into mold cavity smoothly;
Dynamic model partly is connected fixing with injection machine through pressing plate, screw, after the mould die sinking, the injection machine push rod promotes the thimble backing plate, realizes action thereby infer the mould ejecting mechanism, and plastic is pushed out dynamic mould core;
Locked mode partly is arranged on the centre of mould, guarantees accurate matched moulds.
2. a kind of multi-faceted mould of plastics of loosing core according to claim 1 is characterized in that described dynamic model partly comprises:
Interior pump structure: comprise dynamic model backing plate, moving die insert, in take out axle bed, in take out insert, straight pin and head part plate; Described moving die insert and dynamic model backing plate are connected through the fixing mode of step, in take out axle bed with in take out to insert and fix and fix through straight pin through soket head cap screw;
Ejecting mechanism: comprise release link, ejector retainner plate, thimble backing plate, described release link and ejector retainner plate are fixed through the step mode, and through screw and pin location.
3. a kind of multi-faceted mould of plastics of loosing core according to claim 2 is characterized in that described dynamic model partly comprises moving platen, and this moving platen is connected with the guide pin bushing interference of mould.
4. a kind of multi-faceted mould of plastics of loosing core according to claim 2 is characterized in that, described dynamic model backing plate is through screw and pin and mould pin and Bottom clamp plate location.
5. a kind of multi-faceted mould of plastics of loosing core according to claim 1 is characterized in that described cover half partly comprises:
Cast mechanism: be made up of sprue bush, centring ring, gate plate, sprue bush is connected with the top clamping plate and the gate plate interference of cover half part;
Oblique core-pulling mechanism: comprise angled-lift splits, guide rail, slide block mold insert, block, straight pin, square Angle Pin and wedge; The slide block mold insert cooperates through the straight pin location and with guide clearance; Angled-lift splits and guide rail are matched in clearance; Guide rail and block are connected on the head part plate of dynamic model part through soket head cap screw, and wedge, square Angle Pin are connected through soket head cap screw with solid plate.
6. a kind of multi-faceted mould of plastics of loosing core according to claim 5; It is characterized in that; Described top clamping plate is provided with two pull bars; First pull bar is connected on the top clamping plate through soket head cap screw, and second pull bar is that stepped form is connected with top clamping plate, and the end of second pull bar is connected with screw.
7. a kind of multi-faceted mould of plastics of loosing core according to claim 5 is characterized in that described cover half partly comprises solid plate, fixed die insert and cover half core, is fastenedly connected through hexagon socket head cap screw.
8. a kind of multi-faceted mould of plastics of loosing core according to claim 7 is characterized in that, described solid plate and guide pin bushing adopt interference fit joint, and guide pin bushing is connected with guide pillar through matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204996140U CN202378252U (en) | 2011-12-05 | 2011-12-05 | Plastic mold with multi-direction core-pulling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204996140U CN202378252U (en) | 2011-12-05 | 2011-12-05 | Plastic mold with multi-direction core-pulling function |
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| CN202378252U true CN202378252U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011204996140U Expired - Fee Related CN202378252U (en) | 2011-12-05 | 2011-12-05 | Plastic mold with multi-direction core-pulling function |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950724A (en) * | 2012-11-13 | 2013-03-06 | 凡嘉科技（无锡）有限公司 | Sprue bush structure |
| CN103009583A (en) * | 2012-12-19 | 2013-04-03 | 盐城纺织职业技术学院 | Mould for ejecting mechanism of divided-board type ejector sleeve |
| CN103481454A (en) * | 2013-09-17 | 2014-01-01 | 苏州工业园区协利塑胶有限公司 | One-time injection molding die of multi-face irregular workpieces |
| CN103624938A (en) * | 2013-12-17 | 2014-03-12 | 昌辉精密模具（黄山）有限公司 | Core-pulling structure of handle injection mold |
| CN103862634A (en) * | 2014-03-18 | 2014-06-18 | 苏州经贸职业技术学院 | Guide rail type arc swinging core-pulling mechanism |
| CN105500640A (en) * | 2015-12-30 | 2016-04-20 | 大连銮艺精密模塑制造有限公司 | Multi-slide block combined forming plastic mold |
| CN107127935A (en) * | 2017-06-14 | 2017-09-05 | 嘉兴学院 | A kind of multi-faceted hole forming equipment |
| CN107901357A (en) * | 2017-12-25 | 2018-04-13 | 大连銮艺精密模塑制造有限公司 | Oblique odd test gate mechanism and its mould |
| CN108908872A (en) * | 2018-06-26 | 2018-11-30 | 东莞市麦星匠精密模具有限公司 | A kind of Mold Core-pulling Mechanism |
| CN110154330A (en) * | 2019-06-25 | 2019-08-23 | 浙江台州美多模具有限公司 | The core pulling ejecting mechanism of injection mold |
| WO2021127924A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Delayed mold closing structure for mold |
-
2011
- 2011-12-05 CN CN2011204996140U patent/CN202378252U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102950724A (en) * | 2012-11-13 | 2013-03-06 | 凡嘉科技（无锡）有限公司 | Sprue bush structure |
| CN103009583A (en) * | 2012-12-19 | 2013-04-03 | 盐城纺织职业技术学院 | Mould for ejecting mechanism of divided-board type ejector sleeve |
| CN103481454A (en) * | 2013-09-17 | 2014-01-01 | 苏州工业园区协利塑胶有限公司 | One-time injection molding die of multi-face irregular workpieces |
| CN103481454B (en) * | 2013-09-17 | 2016-06-01 | 苏州工业园区协利塑胶有限公司 | The single injection-molded mould of the irregular workpiece of multiaspect |
| CN103624938B (en) * | 2013-12-17 | 2016-01-13 | 昌辉精密模具（黄山）有限公司 | A kind of handle injection mould pulled core structure and the handle adopting this pulled core structure to process |
| CN103624938A (en) * | 2013-12-17 | 2014-03-12 | 昌辉精密模具（黄山）有限公司 | Core-pulling structure of handle injection mold |
| CN103862634A (en) * | 2014-03-18 | 2014-06-18 | 苏州经贸职业技术学院 | Guide rail type arc swinging core-pulling mechanism |
| CN103862634B (en) * | 2014-03-18 | 2015-12-09 | 苏州经贸职业技术学院 | A kind of guide tracked arc swing core-pulling mechanism |
| CN105500640A (en) * | 2015-12-30 | 2016-04-20 | 大连銮艺精密模塑制造有限公司 | Multi-slide block combined forming plastic mold |
| CN105500640B (en) * | 2015-12-30 | 2018-07-17 | 大连銮艺精密模塑制造有限公司 | The plastic mould of multi-slide combination forming |
| CN107127935A (en) * | 2017-06-14 | 2017-09-05 | 嘉兴学院 | A kind of multi-faceted hole forming equipment |
| CN107901357A (en) * | 2017-12-25 | 2018-04-13 | 大连銮艺精密模塑制造有限公司 | Oblique odd test gate mechanism and its mould |
| CN107901357B (en) * | 2017-12-25 | 2024-02-27 | 大连銮艺精密模塑制造有限公司 | Mould with oblique-drawing gate mechanism |
| CN108908872A (en) * | 2018-06-26 | 2018-11-30 | 东莞市麦星匠精密模具有限公司 | A kind of Mold Core-pulling Mechanism |
| CN110154330A (en) * | 2019-06-25 | 2019-08-23 | 浙江台州美多模具有限公司 | The core pulling ejecting mechanism of injection mold |
| WO2021127924A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Delayed mold closing structure for mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20141205 |
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| EXPY | Termination of patent right or utility model |