CN205587657U - Forming die is suppressed perpendicularly to thin slice - Google Patents
Forming die is suppressed perpendicularly to thin slice Download PDFInfo
- Publication number
- CN205587657U CN205587657U CN201620438943.7U CN201620438943U CN205587657U CN 205587657 U CN205587657 U CN 205587657U CN 201620438943 U CN201620438943 U CN 201620438943U CN 205587657 U CN205587657 U CN 205587657U
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- Prior art keywords
- main body
- die
- magnetic sheet
- thin slice
- seaming chuck
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- Expired - Fee Related
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- 238000004826 seaming Methods 0.000 claims description 44
- 238000009747 press moulding Methods 0.000 claims description 25
- 239000000696 magnetic material Substances 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000006247 magnetic powder Substances 0.000 description 17
- 229910001172 neodymium magnet Inorganic materials 0.000 description 14
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 11
- 241000826860 Trapezium Species 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model provides a forming die is suppressed perpendicularly to thin slice to solve the mould applying powder that exists among the prior art young, cannot be through direct perpendicular press forming and the not high problem of production efficiency. Including last pressure head, lower pressure head and mould main part, the mould main part is including the first curb plate of connecting in order, first fender magnetic sheet, second curb plate and second fender magnetic sheet, first curb plate, first fender magnetic sheet, second curb plate and second fender magnetic sheet center on the moulding chamber, go up the pressure head set up in die cavity upper portion and with mould main part swing joint, down the pressure head set up in the die cavity lower part and with mould main part swing joint, down the pressure head sets up the mold core in the pressure head main part under in including pressure head main part down with the protrusion, a plurality of submodule chambeies are separated into with the die cavity to the mold core, it is provided with the last pressure head cavity that is used for holding the mold core to go up the pressure head. The utility model provides a forming die is suppressed perpendicularly to thin slice's beneficial effect lies in: increase applying powder mouth width, realized direct perpendicular press forming.
Description
Technical field
This utility model relates to mould applications, particularly relates to a kind of vertical press-moulding die of thin slice.
Background technology
Neodymium iron boron magnetic body, is the built-up magnet containing rare earth element, has the advantages such as magnetic property is high, dimensional accuracy is high, machinability is strong, applies widely in modern industry.Can apply at various hard disk drives, DVD drive does driver magnet, it is also possible in printer, photocopier, do driving motor magnet, can be applied in automobile micro machine, Magnetic Sensor, neodymium iron boron magnetic body is the indispensable functional material of various precision electric motors in modern industry.
In prior art, preparing the method for neodymium iron boron magnetic body has parallel pressing and a vertical pressing, parallel drawing method inefficiency, and due to during parallel compacting the degree of orientation come to harm, the performance of product can be greatly reduced.Differently-oriented directivity thickness less than 5mm, the long neodymium iron boron magnetic body product being wider than 80*60mm due to powder input port little, powder cannot be added in die cavity and a step cannot be realized and vertically suppress straight forming, common practice is first to suppress bulk, then uses the post-treatment means such as line cutting to prepare the product of required specification.
The vertical press-moulding die of thin slice of the prior art exist mould powder input port little, cannot be by directly the most compressing and that production efficiency is the highest problem.
Utility model content
This utility model provides a kind of vertical press-moulding die of thin slice, with solve mould powder input port present in prior art little, cannot be by the most compressing and that production efficiency is the highest problem.
The utility model discloses a kind of vertical press-moulding die of thin slice, including seaming chuck, push-down head and die main body, described die main body includes the first side plate being sequentially connected with, first gear magnetic sheet, second side plate and second gear magnetic sheet, described first side plate, first gear magnetic sheet, second side plate and second gear magnetic sheet surround into die cavity, described seaming chuck is arranged at described die cavity top and is flexibly connected with described die main body, described push-down head is arranged at described die cavity bottom and is flexibly connected with described die main body, described push-down head includes that push-down head main body and protrusion are arranged at the core rod in described push-down head main body, die cavity is separated into multiple submodule chamber by described core rod, described seaming chuck is provided with the seaming chuck cavity for accommodating described core rod.
Further, the sharp-pointed portion of taper it is installed with above described core rod.
Further, described first gear magnetic sheet and described second gear magnetic sheet are connected with described first side plate and described second side plate by the way of tenon connection.
Further, described push-down head main body abuts with the inwall of die main body.
Further, the lower section of described push-down head main body is installed with the first projection for holding.
Further, described seaming chuck includes seaming chuck main body, the first baffle plate and second baffle, described first baffle plate and described second baffle are divided into the both sides below described seaming chuck main body, described first baffle plate, formation seaming chuck cavity between described seaming chuck main body and described second baffle.
Further, described seaming chuck cavity top is set to pyramidal structure.
Further, the top of described seaming chuck main body is installed with the second projection for holding.
Further, described first side plate and described second side plate are made up of permeability magnetic material.
Further, described first gear magnetic sheet and described second gear magnetic sheet are made up of nonmagnetic steel.
In conjunction with above technical scheme, first aspect: owing to push-down head is provided with core rod to die cavity is projecting inward, die cavity is separated into multiple submodule chamber by core rod, the opening of die cavity upper end is set to powder input port, the width width of the powder input port width ratio powder input port of the prior art of the vertical press-moulding die of a kind of thin slice that this utility model provides, add powder convenient, thus can realize vertically suppressing.Second aspect: die cavity is separated into multiple submodule chamber by core rod, it is achieved that multi-disc is suppressed simultaneously, improves production efficiency.
Having the beneficial effects that of the vertical press-moulding die of thin slice that this utility model provides: add powder input port width, it is achieved that the most compressing.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the vertical press-moulding die of a kind of thin slice that Fig. 1 provides for this utility model；
Fig. 2 is the structural representation of push-down head；
Fig. 3 is the structural representation of seaming chuck；
Fig. 4 is the front view of die main body；
Fig. 5 is the top view of Fig. 4.
Reference
1-seaming chuck；2-push-down head；3-die main body；
4-die cavity；11-the first baffle plate；12-second baffle；
13-seaming chuck main body；14-seaming chuck cavity；15-second is protruding；
21-core rod；22-push-down head main body；23-first is protruding；
31-the first side plate；32-the second side plate；33-first gear magnetic sheet；
34-second gear magnetic sheet；The sharp-pointed portion of 24-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
The utility model discloses a kind of vertical press-moulding die of thin slice, including seaming chuck 1, push-down head 2 and die main body 3.
Die main body 3 includes the first side plate 31, first gear magnetic sheet the 33, second side plate 32 and the second gear magnetic sheet 34 being sequentially connected with, first side plate 31, first gear magnetic sheet the 33, second side plate 32 and second gear magnetic sheet 34 surround into die cavity 4, die main body 3 top and bottom opening, die cavity 4 runs through die main body 3, and the top and bottom of die cavity 4 are each passed through seaming chuck 1 and push-down head 2.First side plate 31 and the second side plate 32 are oppositely arranged, and first gear magnetic sheet 33 and second gear magnetic sheet 34 are oppositely arranged.
First gear magnetic sheet 33 and second gear magnetic sheet 34 are connected with the first side plate 31 and the second side plate 32 by the way of tenon connection.
Further, as a kind of concrete embodiment, inside first side plate 31 and the second side plate 32, the position of first gear magnetic sheet 33 and second gear magnetic sheet 34 is provided with groove, first gear magnetic sheet 33 and second gear magnetic sheet 34 are provided with projection relative to the position of the first side plate 31 and the groove of the second side plate 32, and the projection of first gear magnetic sheet 33 and second gear magnetic sheet 34 is connected in the groove of the first side plate 31 and the second side plate 32.Mortise-tenon joint mode between first side plate 31 and the second side plate 32 and first gear magnetic sheet 33 and second gear magnetic sheet 34 is more stable, it is ensured that die cavity 4 inner volume is constant, it is to avoid magnetic powder is in compacting deformation.
Further, as a kind of concrete embodiment, die main body 3 is set to cube structure, and the first side plate 31 and the second side plate 32 are set to rectangular configuration, first gear magnetic sheet 33 and second gear magnetic sheet 34 and are set to rectangular configuration.
It should be understood that the structure of die main body 3 is not limited to tile-type, square, trapezoidal etc., correspondingly, die cavity 4 is not limited to tile-type die cavity 4, square die cavity 4, trapezoidal die cavity 4 etc..
When preparing neodymium iron boron magnetic body, need magnetic powder is carried out orientation process, it is common practice in the magnetic field that some orientation of magnetic powder applies directional, NdFeB magnetic powder has magnetic, NdFeB magnetic powder arranges along the direction of magnetic induction line under the influence of a magnetic field, has been orientated rear neodymium iron boron magnetic body polarization.
Further, as a kind of concrete embodiment, die main body 3 is outside is provided with cartridge, and cartridge is provided with two, the opposite polarity of two cartridges.
Further, as a kind of concrete embodiment, two cartridges are separately positioned on the first side plate 31 and outside of the second side plate 32, and the magnetic induction line that two cartridges produce is through the first side plate 31 and the second side plate 32 and acts on the magnetic powder in die cavity 4 so that magnetic powder oriented alignment in die cavity 4.
First side plate 31 and the second side plate 32 are made up of permeability magnetic material.
Reason is: the magnetic induction line of two cartridge generations can pass the first side plate 31 and the second side plate 32 and act on the magnetic powder in die cavity 4.
First gear magnetic sheet 33 and second gear magnetic sheet 34 are made up of nonmagnetic steel.
Reason is: the first side plate 31 and the second side plate 32 are made up of permeability magnetic material, if first gear magnetic sheet 33 and second gear magnetic sheet 34 are also made up of permeability magnetic material, then can form closed-loop path, magnetic field in side plate and gear magnetic sheet, affect magnetic powder orientation.
Push-down head 2 is arranged at die cavity 4 bottom and is flexibly connected with die main body 3.Push-down head 2 includes push-down head main body 22 and protrudes the core rod 21 being arranged in push-down head main body 22.
Push-down head main body 22 is fixedly arranged on the lower section of core rod 21, and push-down head main body 22 two ends abut with the inwall of die main body 3.Push-down head main body 22 can move up and down in die cavity 4.Push-down head main body 22 top is used for carrying magnetic powder.Push-down head main body 22 be mainly used in seal and reinforce.
Further, as a kind of concrete embodiment, push-down head main body 22 is set to rectangular configuration.Four limits of push-down head main body 22 abut against with the first side plate 31, first gear magnetic sheet the 33, second side plate 32 and second gear magnetic sheet 34 respectively.
Further, as a kind of concrete embodiment, push-down head main body 22 is set to non-magnet_conductible material.
Being fixedly provided with the first projection 23 below push-down head main body 22, the first projection 23 is used for holding, and the power that external impetus mechanism applies upwardly or downwardly to move to push-down head 2 by clamping first protruding 23 makes push-down head 2 rise or fall in die cavity 4.
Further, as a kind of concrete embodiment, the first projection 23 is set to trapezium structure, and trapezoidal minor face is disposed in proximity to the side of die cavity 4, and trapezoidal long limit is arranged at the side away from die cavity 4.The trapezium structure of the first projection 23 is designed with and helps the clamping of external impetus mechanism.
Further, as a kind of concrete embodiment, the first projection 23 is made up of permeability magnetic material.
Die cavity 4 is separated into multiple submodule chamber by core rod 21, is installed with the sharp-pointed portion of taper 24 above core rod 21.Core rod 21 main body and sharp-pointed portion 24 one connect.Sharp-pointed portion 24 is set to pyramidal structure.
It should be understood that in prior art, when neodymium iron boron magnetic body finished product differently-oriented directivity thickness is less than 5mm, when length is wider than 80*60mm, the neodymium iron boron magnetic body finished product of sinter molding cannot be the most compressing by one-step method, this is because neodymium iron boron magnetic body finished product thickness is the thinnest, when vertically suppressing, magnetic powder cannot be added in die cavity 4, and often use compacting bulk, then the post-treatment means such as line cutting are used to prepare required product, the cycle producing neodymium iron boron magnetic body finished product in prior art is long, and production cost is high, and resource utilization is low.
The vertical press-moulding die of a kind of thin slice that this utility model provides is to the projecting inward core rod 21 that arranges of die cavity 4 in the middle part of push-down head 2, and die cavity 4 is separated into multiple submodule chamber 4 by core rod 21.The structure of a this chamber multicell significantly increases the width of die main body 3 powder input port.Magnetic powder is made can smooth and easy, easy to quickly to enter die cavity 4, it is achieved thereby that the vertical compacting of neodymium iron boron magnetic body.
Further, as a kind of concrete embodiment, core rod 21 is set to rectangular configuration.
Further, as a kind of concrete embodiment, core rod 21 is parallel to the first side plate 31 and the second side plate 32.
Further, as a kind of concrete embodiment, core rod 21 is made up of permeability magnetic material.
The reason that the vertical press-moulding die of a kind of thin slice that this utility model provides is provided above sharp-pointed portion at core rod 21 is:
NdFeB magnetic powder angle of repose compared with big, mobility is poor, magnetic powder is susceptible to when entering die cavity 4 by powder input port pile up and cause cloth powder uneven, it is provided above sharp-pointed portion at core rod 21, the mobility of the magnetic powder falling into die cavity 4 from powder input port can be increased, avoid the accumulation of magnetic powder, it is ensured that the homogeneity of magnetic powder.
On the one hand the mentality of designing of the mould multicell that this utility model provides can increase powder input port width, it is achieved that the most compressing；On the other hand, can once suppress multi-disc, improve work efficiency.As a example by the mould of tile mould one mould two Room, the vertical press-moulding die of thin slice that this utility model provides can realize thickness be 5mm, the long tile product vertical mode compacting being wider than 80*60mm and can be with the manufacturing process of straight forming, after product burns till, only need to carry out mill processing, the post-treatment operations such as the line cutting avoiding inefficiency and cost intensive, shorten the production cycle greatly, improve the utilization rate of material, significantly reduce production cost.
Those skilled in the art it is understood that, the vertical press-moulding die of a kind of thin slice that this utility model provides is provided with 1 core rod 21, die cavity 4 is separated into 2 sub-die cavitys by 1 core rod 21, but this utility model is not limited to 1 core rod 21, core rod 21 can arrange multiple, and 21 die cavitys 4 of multiple core rods are separated into multiple submodule chamber.
Further, as a kind of concrete embodiment, core rod 21 is provided with 2, and 2 core rods 21 are parallel to each other, and 21 die cavitys 4 of 2 core rods are separated into 3 sub-die cavitys.
Seaming chuck 1 is arranged at die cavity 4 top and is flexibly connected with die main body 3, and seaming chuck 1 is provided with the seaming chuck cavity 14 for accommodating core rod 21.Seaming chuck 1 includes seaming chuck main body the 13, first baffle plate 11 and second baffle 12, first baffle plate 11 and second baffle 12 are divided into the both sides below seaming chuck main body 13, forming seaming chuck cavity 14 between first baffle plate 11, seaming chuck main body 13 and second baffle 12, seaming chuck cavity 14 is adaptive with core rod 21.
Further, connect as a kind of concrete embodiment, seaming chuck main body the 13, first baffle plate 11 and second baffle 12 one.
Further, as a kind of concrete embodiment, seaming chuck cavity 14 top is set to conical cavity, and the angle at conical cavity top is set to 90 °-120 °.
Further, as a kind of concrete embodiment, being set to rectangular enclosure bottom seaming chuck cavity 14, seaming chuck cavity 14 top is set to conical cavity.
Seaming chuck 1 is provided with the second projection 15 away from the end of die cavity 4, similar with the first of push-down head 2 the projection 23, second projection 15 is used for holding, and external impetus mechanism gives power that seaming chuck 1 applies upwardly or downwardly to move so that seaming chuck 1 rises or falls in die cavity 4 by clamping second protruding 15.
Further, as a kind of concrete embodiment, the second projection 15 is set to trapezium structure, and trapezoidal minor face is disposed in proximity to die cavity 4 side, and trapezoidal long limit is arranged at the side away from die cavity 4.The trapezium structure of the second projection 15 be designed with the clamping helping external impetus mechanism.
Further, as a kind of concrete embodiment, being made up of permeability magnetic material of the second projection 15.
Having the beneficial effects that of the vertical press-moulding die of a kind of thin slice that this utility model provides:
First aspect: owing to push-down head 2 is provided with core rod 21 to die cavity 4 protrusion, die cavity 4 is separated into multiple submodule chamber by core rod 21, the opening of die cavity 4 upper end is set to powder input port, the width width of the powder input port width ratio powder input port of the prior art of the vertical press-moulding die of a kind of thin slice that this utility model provides, add powder convenient, it is achieved that the most compressing.
Second aspect: die cavity 4 is separated into multiple submodule chamber by core rod 21, it is achieved that multi-disc is suppressed simultaneously, improves production efficiency.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of.
Claims (10)
1. the vertical press-moulding die of thin slice, it is characterised in that include seaming chuck (1), under
Pressure head (2) and die main body (3), described die main body (3) includes the first side plate being sequentially connected with
(31), first gear magnetic sheet (33), the second side plate (32) and second gear magnetic sheet (34), described
Side plate (31), first gear magnetic sheet (33), the second side plate (32) and second gear magnetic sheet (34) enclose
Be coiled into die cavity (4), described seaming chuck (1) be arranged at described die cavity (4) top and with described mould
Main body (3) be flexibly connected, described push-down head (2) be arranged at described die cavity (4) bottom and with institute
Stating die main body (3) to be flexibly connected, described push-down head (2) includes push-down head main body (22) and convex
Going out the core rod (21) being arranged on described push-down head main body (22), described core rod (21) is by die cavity
(4) being separated into multiple submodule chamber, described seaming chuck (1) is provided with for accommodating described core rod (21)
Seaming chuck cavity (14).
A kind of vertical press-moulding die of thin slice the most according to claim 1, it is characterised in that
Described core rod (21) top is installed with the sharp-pointed portion of taper (24).
A kind of vertical press-moulding die of thin slice the most according to claim 2, it is characterised in that
Described first gear magnetic sheet (33) and described second gear magnetic sheet (34) are by the way of tenon connection and institute
State the first side plate (31) and described second side plate (32) connects.
A kind of vertical press-moulding die of thin slice the most according to claim 3, it is characterised in that
Described push-down head main body (22) abuts with the inwall of die main body (3).
A kind of vertical press-moulding die of thin slice the most according to claim 4, it is characterised in that
The lower section of described push-down head main body (22) is installed with first protruding (23) for holding.
A kind of vertical press-moulding die of thin slice the most according to claim 1, it is characterised in that
Described seaming chuck (1) includes seaming chuck main body (13), the first baffle plate (11) and second baffle (12),
Described first baffle plate (11) and described second baffle (12) are divided into described seaming chuck main body (13)
The both sides of lower section, described first baffle plate (11), described seaming chuck main body (13) and described second gear
Seaming chuck cavity (14) is formed between plate (12).
A kind of vertical press-moulding die of thin slice the most according to claim 6, it is characterised in that
Described seaming chuck cavity (14) top is set to pyramidal structure.
A kind of vertical press-moulding die of thin slice the most according to claim 7, it is characterised in that
The top of described seaming chuck main body (13) is installed with second protruding (15) for holding.
A kind of vertical press-moulding die of thin slice the most according to claim 1, it is characterised in that
Described first side plate (31) and described second side plate (32) are made up of permeability magnetic material.
A kind of vertical press-moulding die of thin slice the most according to claim 1, it is characterised in that
Described first gear magnetic sheet (33) and described second gear magnetic sheet (34) are made up of nonmagnetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438943.7U CN205587657U (en) | 2016-05-13 | 2016-05-13 | Forming die is suppressed perpendicularly to thin slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438943.7U CN205587657U (en) | 2016-05-13 | 2016-05-13 | Forming die is suppressed perpendicularly to thin slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205587657U true CN205587657U (en) | 2016-09-21 |
Family
ID=56930902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620438943.7U Expired - Fee Related CN205587657U (en) | 2016-05-13 | 2016-05-13 | Forming die is suppressed perpendicularly to thin slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205587657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880587A (en) * | 2016-05-13 | 2016-08-24 | 内蒙古科元胜力金山稀土科技有限公司 | Perpendicular pressing and forming mould for slices |
-
2016
- 2016-05-13 CN CN201620438943.7U patent/CN205587657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880587A (en) * | 2016-05-13 | 2016-08-24 | 内蒙古科元胜力金山稀土科技有限公司 | Perpendicular pressing and forming mould for slices |
| CN105880587B (en) * | 2016-05-13 | 2019-06-07 | 生一伦磁业有限公司 | A kind of vertical press-moulding die of thin slice |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 010000 Hohhot Jinshan Economic and Technological Development Zone, Jinshan Road, south of the city of the Inner Mongolia Autonomous Region Patentee after: NRE MAGNETIC Co.,Ltd. Address before: 010000 Hohhot Jinshan Economic and Technological Development Zone, Jinshan Road, south of the city of the Inner Mongolia Autonomous Region Patentee before: KYSL ADVANCED MATERIAL TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 |