CN203649330U - Core shooter - Google Patents
Core shooter Download PDFInfo
- Publication number
- CN203649330U CN203649330U CN201320775696.6U CN201320775696U CN203649330U CN 203649330 U CN203649330 U CN 203649330U CN 201320775696 U CN201320775696 U CN 201320775696U CN 203649330 U CN203649330 U CN 203649330U
- Authority
- CN
- China
- Prior art keywords
- sand
- core
- core box
- cylinder
- installing plate
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a core shooter. For the core shooter, a sand storage bin is fixedly arranged at the top of a rack, a sand outlet of the sand storage bin is communicated with a sand inlet of a sand shooting bin through a flexible pipe, a sand outlet of the sand shooting bin is fixedly provided with a sand shooting nozzle, a sand inlet end of the sand shooting bin is fixedly provided with a high-pressure air pipe and a first air cylinder, the high-pressure air pipe is communicated with an inner cavity of the sand shooting bin, a piston rod of the first air cylinder extends into the inner cavity of the sand shooting bin, the extending end of the piston rod of the first cylinder is fixedly provided with a baffle block, two core boxes can move relative to each other under the driving of a core box moving control mechanism and are both provided with heating pipes, the sand storage bin is vertically arranged, a sand inlet of the sand storage bin faces upwards, a sand outlet of the sand storage bin faces downward, the two core boxes, namely a left core box and a right core box, are positioned below the sand storage bin and are arranged in parallel from left to right, and the top of the right core box is provided with a sand inlet corresponding to the sand shooting nozzle. According to the utility model, the positions of the two core boxes are adjusted, and a precoated sand feeding mode is correspondingly adjusted, so that the defect of a core shooter with the traditional structure that a sand shooting nozzle is blocked because precoated sand is damped to harden is overcome.
Description
Technical field
The utility model belongs to casting field, specifically, relates in particular to a kind of core shooter.
Background technology
Core shooter is widely used in casting industry, and the core size of manufacturing with core shooter is accurate, any surface finish.Core shooter operation principle is to inject in the core box after heating take liquid state or solid state heat thermosetting resin as the core sand compound of binding agent, core in core box preheating very rapid hardening to certain thickness (being about 5～10mm) by it taking-up, form smooth surface, accurate in size high-quality core finished product.
Existing core shooter is vertical structure, and comprises upper core box and the lower core box that can relatively move, and after this upper and lower core box matched moulds, then penetrates from the side sand, and by being heating and curing, finally makes arenaceous shell.The defect of existing core shooter is: because precoated sand easily hardens under moist weather, again because core shooter is vertical structure, and penetrate from the side sand, precoated sand is just easily penetrated the shake out Sha Zui that penetrates of end of Sha Zui because gravity factor is blocked like this, thereby cannot penetrate sand operation, and then lose normal function, be badly in need of solving above-mentioned technical barrier for this reason.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of core shooter of penetrating sand mouth that is difficult for blocking.
The technical solution of the utility model is as follows: a kind of core shooter, comprise frame (1) and two core boxes, its mid frame (1) top is installed with the storage sand storehouse (2) of an open top, the sand export in this storage sand storehouse is communicated with the sand inlet of penetrating Sha Cang (4) by a flexible pipe (3), this sand export of penetrating Sha Cang (4) is installed with two and penetrates Sha Zui (5), and penetrates Sha Cang (4) and can under the control of penetrating sand storehouse moving control mechanism, move; The sand end that enters of the described Sha Cang of penetrating (4) is installed with a high-pressure air pipe (6) and first cylinder (7), wherein high-pressure air pipe (6) communicates with the inner chamber of penetrating Sha Cang (4), the piston rod of described the first cylinder (7) reaches to be penetrated in Sha Cang (4) inner chamber, and this inserting end is installed with an energy will penetrate the sprue that Sha Cang (4) sand inlet is blocked; Described two core boxes can relatively move under the drive of core box moving control mechanism, on these two core boxes, are equipped with heating tube (8), it is characterized in that: described storage sand storehouse (2) is vertical setting, and upward, sand export down for its sand inlet; Described two core boxes are positioned at below, storage sand storehouse (2), and these two core boxes are left and right and are arranged side by side, and are specially left core box (9) and right core box (10), and described in the top correspondence of right core box (10), penetrate Sha Zui (5) and have sand inlet.
The utility model is adjusted into present horizontal type structure by original vertical structure, be specially the below that described two core boxes are positioned at storage sand storehouse (2), these two core boxes are left and right and are arranged side by side, be specially left core box (9) and right core box (10), and described in the top correspondence of right core box (10), penetrate Sha Zui (5) and have sand inlet, so just enter sand from top and enter sand, this enter sand mode and the original sand that enters from the side have basic difference, even if adopt this structure precoated sand because humidity hardens, but precoated sand is loosening under the blowing of gases at high pressure, and drop out from the described Sha Zui of penetrating (5) under Action of Gravity Field, so just can overcome traditional structure and block the defect of penetrating Sha Zui (5).
Adopt above technical scheme, the utility model has been adjusted the setting position of two core boxes, and corresponding adjusted precoated sand enter sand mode, so just can overcome well traditional structure because precoated sand makes moist and hardens and block the defect of penetrating Sha Zui (5), and transformation of the present utility model is easy, there is good practicality.
As optimal design, the described sand storehouse moving control mechanism of penetrating comprises 7 font plates (11) and the 3rd cylinder (18), wherein the horizontal segment end face of 7 font plates (11) is vertically provided with second cylinder (12), the piston-rod lower end of this second cylinder with described in penetrate Sha Cang (4) top and fix, and 7 font plates (11) the vertically left plate face of section are vertically fixed with guide rail (13), on guide rail, kink has slide block (14), this slide block simultaneously by a connecting plate (15) with described in penetrate Sha Cang (4) outer wall fix;
Before and after the end face of described 7 font plate (11) horizontal segments, there are side by side two guide runners (16), these two guide runners are set on a corresponding guide post (17), this two guide posts (17) level is arranged on described frame (1) top, and the right panel face of the vertical section of 7 font plates (11) and the piston rod left end of described the 3rd cylinder (18) are fixed, and the 3rd cylinder is horizontally fixed on the top of frame (1).
Adopt above structure, originally penetrate sand storehouse moving control mechanism and can allow and penetrate about Sha Cang (4) and move up and down, thereby aim at described right core box (10), to enter sand, and originally penetrate the simple in structure, easy to implement of sand storehouse moving control mechanism, there is good practicality.
As preferably, described core box moving control mechanism comprises left core box installing plate (19) and right core box installing plate (22), wherein the right panel face of left core box installing plate (19) and described left core box (9) left surface are fixed, on this left core box installing plate, be equipped with four horizontal guide pillars (20), and the piston rod right-hand member of the left plate face of left core box installing plate (19) and four-cylinder (21) is fixed, and described four horizontal guide pillars (20) and this four-cylinder (21) are all fixed on the bottom of described frame (1); The left plate face of described right core box installing plate (22) and right core box (10) right panel face are fixed, this right core box installing plate is simultaneously fixing with an installing plate (23), this connecting plate maintains static, and described four horizontal guide pillars (20) are respectively through the upper corresponding installing hole of this piece installing plate (23).
Adopt above structure, this core box moving control mechanism can allow left core box (9) move left and right, and right core box (10) maintains static, and this core box moving control mechanism is simple in structure, easy to implement, has good practicality.
In this case, described installing plate (23) the right is provided with a block pressur plate (24) side by side, and the left side plate face of this pressing plate is installed with four horizontal push in rectangular layout (25), and these four horizontal push (25) are all inserted in the die cavity of described right core box (10); On described pressing plate (24), be equipped with four horizontal screw bolts in rectangular layout (26), the left end of these four horizontal screw bolts is all fixed with described installing plate (23) right panel face, and the bar portion that every horizontal screw bolt (26) is positioned at pressing plate (24) the right is set with a stage clip (27) and a nut (28), and nut (28) is located at the right of stage clip (27).
Adopt above structure, in the time that described left core box (9) moves to right, promote described horizontal push (25) and move right, and compress described stage clip (27); Make after arenaceous shell, described left core box (9) reset that moves to left, now horizontal push (25) reset that moves to left under the elastic force effect of stage clip (27), and the arenaceous shell making is released to right core box (10).
Beneficial effect: the utility model has been adjusted the setting position of two core boxes, and corresponding adjusted precoated sand enter sand mode, so just can overcome well traditional structure because precoated sand makes moist and hardens and block the defect of penetrating Sha Zui (5), and transformation of the present utility model is easy, there is good practicality.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the stereogram of Fig. 1;
Fig. 3 is the structural representation of penetrating sand storehouse moving control mechanism in Fig. 1;
Fig. 4 is the stereogram of Fig. 3.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figures 1 to 4, a kind of core shooter, mainly by frame 1, storage sand storehouse 2, flexible pipe 3, penetrate sand storehouse 4, penetrate sand mouth 5, high-pressure air pipe 6, the first cylinder 7, heating tube 8, left core box 9, right core box 10, penetrate sand storehouse moving control mechanism, core box moving control mechanism, pressing plate 24, horizontal push 25, horizontal screw bolt 26, stage clip 27 and nut 28 etc. and form.Wherein, described frame 1 is frame structure, and is welded by angle bar.The top of above-mentioned frame 1 is installed with a storage sand storehouse 2, the open top in this storage sand storehouse 2, and enter from here sand, and the sand export in storage sand storehouse 2 is communicated with the sand inlet of penetrating sand storehouse 4 by a flexible pipe 3, and be installed with two at the sand export of penetrating sand storehouse 4 and penetrate sand mouth 5.Meanwhile, described in, penetrate sand storehouse 4 can be under the control of penetrating sand storehouse moving control mechanism upper and lower and move left and right.
The described sand end that enters of penetrating sand storehouse 4 is installed with a high-pressure air pipe 6 and first cylinder 7, wherein high-pressure air pipe 6 communicates with the inner chamber of penetrating sand storehouse 4, the piston rod of described the first cylinder 7 reaches to be penetrated in 4 inner chambers of sand storehouse, and this inserting end is installed with an energy by the sprue of penetrating sand storehouse 4 sand inlets and blocking.Described two core boxes can relatively move under the drive of core box moving control mechanism, on these two core boxes, are equipped with heating tube 8.
As shown in Figures 1 to 4, as main inventive point of the present utility model, described storage sand storehouse 2 is vertical setting, the sand inlet in this storage sand storehouse 2 upward, and storage sand storehouse 2 sand export down.Described two core boxes are positioned at storage 2 belows, sand storehouse, and these two core boxes are left and right and are arranged side by side, and are specially left core box 9 and right core box 10, and described in the top correspondence of right core box 10, penetrate sand mouth 5 and have sand inlet.
Simultaneously, the described sand storehouse moving control mechanism of penetrating comprises 7 font plates 11 and the 3rd cylinder 15, wherein the horizontal segment end face of 7 font plates 11 is vertically provided with second cylinder 12, the piston-rod lower end of this second cylinder 12 with described in penetrate 4 tops, sand storehouse and fix, and the 7 font plates 11 vertically left plate face of section are vertically fixed with guide rail 13, on guide rail, kink has slide block 14, this slide block simultaneously by a connecting plate 15 with described in penetrate sand storehouse 4 outer wall fix.
Before and after the end face of described 7 font plate 11 horizontal segments, there are side by side two guide runners 16, these two guide runners 16 are set on a corresponding guide post 17, these two guide post 17 levels are arranged on described frame 1 top, and the right panel face of 7 font plates 11 vertical sections and the piston rod left end of described the 3rd cylinder 18 are fixed, and the 3rd cylinder is horizontally fixed on the top of frame 1.Adopt above structure, just can drive 7 font plates 11 to move left and right by the 3rd cylinder 15, and drive and penetrate sand storehouse 4 and move up and down by described the second cylinder 12, thereby final drive be penetrated 4 left and right, sand storehouse and move up and down.
Can find out from Fig. 1 to 4, described core box moving control mechanism comprises left core box installing plate 19 and right core box installing plate 22, wherein the right panel face of left core box installing plate 19 and described left core box 9 left surfaces are fixed, on this left core box installing plate 19, be equipped with four horizontal guide pillars 20, these four horizontal guide pillars 20 are in rectangular layout.The piston rod right-hand member of the left plate face of described left core box installing plate 19 and four-cylinder 21 is fixed, and described four horizontal guide pillars 20 and this four-cylinder 21 are all fixed on the bottom of described frame 1.The left plate face of described right core box installing plate 22 and right core box 10 right panel faces are fixed, and this right core box installing plate is simultaneously fixing with an installing plate 23, and this connecting plate maintains static, and described four horizontal guide pillars 20 are respectively through installing hole corresponding on this piece installing plate 23.Adopt said structure, just can make left core box 9 move left and right, and right core box 10 maintains static.
In addition, described installing plate 23 the right are provided with a block pressur plate 24 side by side, and the left side plate face of this pressing plate 24 is installed with four horizontal push 25 in rectangular layout, and these four horizontal push 25 are all inserted in the die cavity of described right core box 10.On described pressing plate 24, be equipped with four horizontal screw bolts 26 in rectangular layout, the left end of these four horizontal screw bolts 26 is all fixed with described installing plate 23 right panel faces, and the bar portion that every horizontal screw bolt 26 is positioned at pressing plate 24 the right is set with a stage clip 27 and a nut 28, and nut 28 is located at the right of stage clip 27.
Operation principle of the present utility model is as follows:
Enter sand from the opening end at 2 tops, described storage sand storehouse, precoated sand in storage sand storehouse 2 injects by described flexible pipe 3 inner chamber of penetrating sand storehouse 4, and whether entering sand is controlled by described the first cylinder 7, and penetrate precoated sand in 4 inner chambers of sand storehouse high-pressure air pipe 6 mesohigh gases blow and self Action of Gravity Field drops to and penetrates outside sand mouth 5, and storage sand storehouse 2 can be under the control of moving control mechanism left and right and moving up and down; Described left core box 9 can move right by relatively right core box 10, after these two core box matched moulds, notes sand by penetrating the precoated sand that sand mouth 5 goes out to penetrate in two core boxes, and the precoated sand of injection heats up and solidifies under the heat effect of heating tube 8, finally obtains the arenaceous shell of needs.In the time that needs are manufactured another arenaceous shell, need to change corresponding left core box 9 and right core box 10.
The foregoing is only preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a core shooter, comprise frame (1) and two core boxes, its mid frame (1) top is installed with the storage sand storehouse (2) of an open top, the sand export in this storage sand storehouse is communicated with the sand inlet of penetrating Sha Cang (4) by a flexible pipe (3), this sand export of penetrating Sha Cang (4) is installed with two and penetrates Sha Zui (5), and penetrates Sha Cang (4) and can under the control of penetrating sand storehouse moving control mechanism, move; The sand end that enters of the described Sha Cang of penetrating (4) is installed with a high-pressure air pipe (6) and first cylinder (7), wherein high-pressure air pipe (6) communicates with the inner chamber of penetrating Sha Cang (4), the piston rod of described the first cylinder (7) reaches to be penetrated in Sha Cang (4) inner chamber, and this inserting end is installed with an energy will penetrate the sprue that Sha Cang (4) sand inlet is blocked; Described two core boxes can relatively move under the drive of core box moving control mechanism, on these two core boxes, are equipped with heating tube (8), it is characterized in that: described storage sand storehouse (2) is vertical setting, and upward, sand export down for its sand inlet; Described two core boxes are positioned at below, storage sand storehouse (2), and these two core boxes are left and right and are arranged side by side, and are specially left core box (9) and right core box (10), and described in the top correspondence of right core box (10), penetrate Sha Zui (5) and have sand inlet.
2. core shooter according to claim 1, it is characterized in that: described in penetrate sand storehouse moving control mechanism and comprise 7 font plates (11) and the 3rd cylinder (18), wherein the horizontal segment end face of 7 font plates (11) is vertically provided with second cylinder (12), the piston-rod lower end of this second cylinder with described in penetrate Sha Cang (4) top and fix, and 7 font plates (11) the vertically left plate face of section are vertically fixed with guide rail (13), on guide rail, kink has slide block (14), this slide block simultaneously by a connecting plate (15) with described in penetrate Sha Cang (4) outer wall fix;
Before and after the end face of described 7 font plate (11) horizontal segments, there are side by side two guide runners (16), these two guide runners are set on a corresponding guide post (17), this two guide posts (17) level is arranged on described frame (1) top, and the right panel face of the vertical section of 7 font plates (11) and the piston rod left end of described the 3rd cylinder (18) are fixed, and the 3rd cylinder is horizontally fixed on the top of frame (1).
3. core shooter according to claim 1 and 2, it is characterized in that: described core box moving control mechanism comprises left core box installing plate (19) and right core box installing plate (22), wherein the right panel face of left core box installing plate (19) and described left core box (9) left surface are fixed, on this left core box installing plate, be equipped with four horizontal guide pillars (20), and the piston rod right-hand member of the left plate face of left core box installing plate (19) and four-cylinder (21) is fixed, and described four horizontal guide pillars (20) and this four-cylinder (21) are all fixed on the bottom of described frame (1); The left plate face of described right core box installing plate (22) and right core box (10) right panel face are fixed, this right core box installing plate is simultaneously fixing with an installing plate (23), this connecting plate maintains static, and described four horizontal guide pillars (20) are respectively through the upper corresponding installing hole of this piece installing plate (23).
4. core shooter according to claim 3, it is characterized in that: described installing plate (23) the right is provided with a block pressur plate (24) side by side, the left side plate face of this pressing plate is installed with four horizontal push in rectangular layout (25), and these four horizontal push (25) are all inserted in the die cavity of described right core box (10); On described pressing plate (24), be equipped with four horizontal screw bolts in rectangular layout (26), the left end of these four horizontal screw bolts is all fixed with described installing plate (23) right panel face, and the bar portion that every horizontal screw bolt (26) is positioned at pressing plate (24) the right is set with a stage clip (27) and a nut (28), and nut (28) is located at the right of stage clip (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775696.6U CN203649330U (en) | 2013-11-29 | 2013-11-29 | Core shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775696.6U CN203649330U (en) | 2013-11-29 | 2013-11-29 | Core shooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649330U true CN203649330U (en) | 2014-06-18 |
Family
ID=50915767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775696.6U Expired - Fee Related CN203649330U (en) | 2013-11-29 | 2013-11-29 | Core shooter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649330U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077522A (en) * | 2015-05-04 | 2016-11-09 | 徐学翠 | A kind of hot box shoot core machine |
| CN107685136A (en) * | 2017-09-30 | 2018-02-13 | 开平市季诺卫浴有限公司 | A kind of core process equipment with agitating device |
| CN107695307A (en) * | 2017-09-30 | 2018-02-16 | 开平市季诺卫浴有限公司 | A kind of efficient production equipment of core |
| CN108339950A (en) * | 2018-04-11 | 2018-07-31 | 无锡福兰德科技有限公司 | A kind of mobile sand shooting mechanism |
| CN108555252A (en) * | 2018-06-01 | 2018-09-21 | 惠州市威盛工业有限公司 | A kind of New energy automobile motor shell spiral channel integral sand core core shooter |
| CN108568498A (en) * | 2018-07-27 | 2018-09-25 | 乐昌市瑞创精工制造有限公司 | A kind of efficient core shooter |
| CN109290528A (en) * | 2018-10-18 | 2019-02-01 | 西峡县西泵特种铸造有限公司 | A kind of core making machine |
| CN111515351A (en) * | 2020-06-03 | 2020-08-11 | 湖南汉寿玉贤耐磨材料有限公司 | Sand mechanism is penetrated in removal of penetrating sand machine |
| CN114160760A (en) * | 2021-10-26 | 2022-03-11 | 青岛恒林工业集团股份有限公司 | Molding machine with adjustable sand mold thickness |
-
2013
- 2013-11-29 CN CN201320775696.6U patent/CN203649330U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077522A (en) * | 2015-05-04 | 2016-11-09 | 徐学翠 | A kind of hot box shoot core machine |
| CN107685136A (en) * | 2017-09-30 | 2018-02-13 | 开平市季诺卫浴有限公司 | A kind of core process equipment with agitating device |
| CN107695307A (en) * | 2017-09-30 | 2018-02-16 | 开平市季诺卫浴有限公司 | A kind of efficient production equipment of core |
| CN108339950A (en) * | 2018-04-11 | 2018-07-31 | 无锡福兰德科技有限公司 | A kind of mobile sand shooting mechanism |
| CN108555252A (en) * | 2018-06-01 | 2018-09-21 | 惠州市威盛工业有限公司 | A kind of New energy automobile motor shell spiral channel integral sand core core shooter |
| CN108568498A (en) * | 2018-07-27 | 2018-09-25 | 乐昌市瑞创精工制造有限公司 | A kind of efficient core shooter |
| CN109290528A (en) * | 2018-10-18 | 2019-02-01 | 西峡县西泵特种铸造有限公司 | A kind of core making machine |
| CN111515351A (en) * | 2020-06-03 | 2020-08-11 | 湖南汉寿玉贤耐磨材料有限公司 | Sand mechanism is penetrated in removal of penetrating sand machine |
| CN114160760A (en) * | 2021-10-26 | 2022-03-11 | 青岛恒林工业集团股份有限公司 | Molding machine with adjustable sand mold thickness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203649330U (en) | Core shooter | |
| CN103639370A (en) | Casting method for flywheel | |
| CN205818367U (en) | A kind of mould and exhaust apparatus thereof | |
| CN102501355B (en) | Double-layer injection mold | |
| CN101746014A (en) | Micro-foam injection molding machine and molding process thereof | |
| CN202318794U (en) | Double-layer injection mold | |
| CN203650845U (en) | Hot runner three-plate mold | |
| CN104129046A (en) | Adjustable mold of multipurpose plastic draining inspection well | |
| CN206030448U (en) | Luxuriant mould is enclosed in garden | |
| CN203994478U (en) | A kind of constant temperature runner rubber injection mode structure | |
| CN204936082U (en) | Effectively avoid the mould emptier that oblique top stroke is interfered | |
| CN106346706A (en) | Type-variable automobile intake pipe injection mold | |
| CN210758801U (en) | Plastic dustproof cover injection mold | |
| CN102389944A (en) | Method for increasing yield of lost foam casting of engine cylinder block | |
| CN208375872U (en) | A kind of vehicle-mounted panel of injection molding | |
| CN207535240U (en) | A kind of injection mold of S types bend pipe tools | |
| CN206870233U (en) | A kind of mould | |
| CN204820182U (en) | A mould for producing vehicle audio dustcoat be equipped with transport case | |
| CN206406401U (en) | Secondary ejection mold with sub-marine gate | |
| CN205130223U (en) | Compound house of cold -formed steel wallboard make -up machine | |
| CN204249223U (en) | A kind of mould structure preventing injecting products from producing contraction distortion | |
| CN203293448U (en) | External wall thermal-insulation dual-purpose plate core forming machine | |
| CN101337417B (en) | Ejection forming apparatus | |
| CN104260282B (en) | A kind of mould of hemodialyzer casing | |
| CN203817302U (en) | Shooting plate water-cooling system of core shooting machine |
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: 20140618 Termination date: 20141129 |
|
| EXPY | Termination of patent right or utility model |