CN106739377A - A kind of resistance to measuring body extraordinary punching press diaphragm - Google Patents
A kind of resistance to measuring body extraordinary punching press diaphragm Download PDFInfo
- Publication number
- CN106739377A CN106739377A CN201611015354.9A CN201611015354A CN106739377A CN 106739377 A CN106739377 A CN 106739377A CN 201611015354 A CN201611015354 A CN 201611015354A CN 106739377 A CN106739377 A CN 106739377A
- Authority
- CN
- China
- Prior art keywords
- layer
- fixedly connected
- tack coat
- punching press
- resistance
- 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.)
- Granted
Links
- 238000004080 punching Methods 0.000 title claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000001427 coherent effect Effects 0.000 claims abstract description 18
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 235000008429 bread Nutrition 0.000 claims 1
- 230000002633 protecting effect Effects 0.000 abstract description 8
- 210000004379 membrane Anatomy 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000003139 buffering effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
Landscapes
- Laminated Bodies (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The present invention relates to protect technical field of membrane, and disclose a kind of resistance to measuring body extraordinary punching press diaphragm, including top layer, the outer surface parcel matcoveredn on top layer, both sides at the top of protective layer have been fixedly connected with coherent mass, the side of coherent mass is fixedly connected by support bar with another coherent mass, top layer is provided with hardened layer at the top of inner chamber, the bottom of upper hardened layer is fixedly connected with lower hardened layer, the bottom of lower hardened layer is fixedly connected with cuticular layer, the bottom of cuticular layer is fixedly connected with upper tack coat, the bottom of upper tack coat is fixedly connected with basement membrane, the bottom of basement membrane is fixedly connected with lower tack coat, the bottom of lower tack coat is fixedly connected with carrier film.The resistance to measuring body extraordinary punching press diaphragm; by using cooperatively for protective layer, coherent mass and support bar; increase top layer can be played to the coverage of material, the lifting surface area that material bears pressure can be reduced when extraordinary press work is carried out, be effectively increased the protecting effect to material.
Description
Technical field
The present invention relates to protect technical field of membrane, specially a kind of resistance to measuring body extraordinary punching press diaphragm.
Background technology
Extraordinary punch process is the power by means of conventional or special pressing equipment, plate is directly become in mould
Shape power is simultaneously deformed, so as to obtain definite shape, the production technology of the product parts of size and performance and sets plate, mould
Standby is the three elements of punch process, and drop stamping and cold stamping are divided into by punch process temperature, and the former suitable resistance of deformation is high, plasticity
Poor Sheet Metal Processing, the latter is then carried out at room temperature, is the conventional process for stamping of thin plate, and it is Metal Forming（Or pressure
Power is processed）One of main method, be also under the jurisdiction of material shaping engineering technology.
At present, in the market can play protected material using to diaphragm when extraordinary press work is carried out to material with this
The purpose of material, but existing diaphragm is in use, and anti-pressure ability is not enough, it is impossible to play protection effect well to material
Really, cause the performance of material and aesthetics reduction, it is lost use value, so as to cause the loss of economy, it is impossible to
Meet the demand of user.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides the resistance to measuring body extraordinary punching press diaphragm of one kind, possesses compressive property good
The advantages of, solve the problem that compressive property is not enough, causes to occur deformation during to material punching press.
（Two）Technical scheme
The purpose good to realize above-mentioned compressive property, the present invention provides following technical scheme：A kind of resistance to measuring body extraordinary punching press is protected
Cuticula, including top layer, the outer surface parcel matcoveredn on the top layer, the both sides at the top of the protective layer have been fixedly connected with viscous
Caking, the side of the coherent mass is fixedly connected with another coherent mass by support bar, is provided with the top of the top layer inner chamber
Hardened layer, the bottom of the upper hardened layer is fixedly connected with lower hardened layer, and the bottom of the lower hardened layer is fixed with cuticular layer and connected
Connect, the bottom of the cuticular layer is fixedly connected with upper tack coat, the bottom of the upper tack coat is fixedly connected with basement membrane, the base
The bottom of film is fixedly connected with lower tack coat, and the bottom of the lower tack coat is fixedly connected with carrier film, the upper tack coat, base
The outer surface of film and lower tack coat is fixedly connected with reinforcing strip.
Preferably, the upper hardened layer is corresponding with the size of lower hardened layer, and upper hardened layer and lower hardened layer centre
It is provided with silica-gel coating.
Preferably, block rubber, and two positions of block rubber point have been fixedly connected with the top and bottom of the reinforcing strip
Not Wei Yu cuticular layer and carrier film inside.
Preferably, the thickness of the upper tack coat is 4~6 microns, and the size of upper tack coat and lower tack coat is adapted.
Preferably, the quantity of the reinforcing strip is five, and reinforcing strip is equidistant installed in upper tack coat, basement membrane and lower viscous
Tie the outer surface of layer.
Preferably, the material of the cuticular layer is polyethylene.
（Three）Beneficial effect
Compared with prior art, the invention provides the resistance to measuring body extraordinary punching press diaphragm of one kind, possesses following beneficial effect：
1st, the resistance to measuring body extraordinary punching press diaphragm, by using cooperatively for protective layer, coherent mass and support bar, can play increasing
Plus top layer is to the coverage of material, the lifting surface area that material bears pressure can be reduced when extraordinary press work is carried out,
The protecting effect to material is effectively increased, and user can be allowed more to facilitate when alternate material is needed, Neng Gouyou
The saving processing cost of effect, substantially increases practicality, is made by the cooperation of upper tack coat, basement membrane, lower tack coat and reinforcing strip
With, can play a part of to reinforce top layer, play a part of buffering, the pressure suffered by top layer is reduced, prevent the material in top layer
Material occurs damaging and deforms, and press work can be allowed more to facilitate, and can meet the demand of user.
2nd, the resistance to measuring body extraordinary punching press diaphragm, by using cooperatively for upper hardened layer, silica-gel coating and lower hardened layer,
The wear-resisting and measuring body ability on top layer can be effectively improved, allow top layer to the protecting effect of material can lasting stability, by rubber
Blob of viscose can play a part of fixed and bracing reinforcement bar, can more stablize when press work is carried out, so as to ensure to material
The protecting effect of material, preventing top layer movement causes the situation of deformation.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is partial enlargement structural representation at the A of Fig. 1 of the present invention.
In figure：1 top layer, 2 protective layers, 3 coherent mass, 4 support bars, hardened layer, 6 silica-gel coatings, 7 times hardened layers, 8 shields on 5
Film layer, tack coat, 10 basement membranes, 11 times tack coats, 12 carrier films, 13 block rubbers, 14 reinforcing strips on 9.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2, a kind of resistance to measuring body extraordinary punching press diaphragm, including top layer 1 are referred to, the outer surface on top layer 1 is enclosed with
Protective layer 2, by using cooperatively for protective layer 2, coherent mass 3 and support bar 4, can play the covering for increasing top layer 1 to material
Scope, the lifting surface area that material bears pressure can be reduced when extraordinary press work is carried out, and be effectively increased to material
Protecting effect, and can allow user when alternate material is needed more facilitate, can effectively save processing cost, greatly
Big to improve practicality, the both sides at the top of protective layer 2 have been fixedly connected with coherent mass 3, and coherent mass 3 can play fixed work
With it is not in situation about coming off during punching press to allow material, can effectively improve practicality, and the side of coherent mass 3 leads to
Cross support bar 4 to be fixedly connected with another coherent mass 3, top layer 1 is provided with hardened layer 5 at the top of inner chamber, by upper hardened layer 5, silicon
Using cooperatively for gel coating 6 and lower hardened layer 7, can effectively improve the wear-resisting and measuring body ability on top layer 1, allow top layer 1 to material
The protecting effect of material can lasting stability, the bottom of upper hardened layer 5 is fixedly connected with lower hardened layer 7, upper hardened layer 5 and lower hardening
The size of layer 7 is corresponding, and the centre of upper hardened layer 5 and lower hardened layer 7 is provided with silica-gel coating 6, and silica-gel coating 6 has adhesive force
It is good, intensity is high, soft touch is fine and smooth, third dimension is strong, decorative effect is attractive in appearance, excellent performance and it is nontoxic a little so that
More facilitate when allowing user to use, the bottom of lower hardened layer 7 is fixedly connected with cuticular layer 8, the material of cuticular layer 8 is poly- second
Alkene, the bottom of cuticular layer 8 is fixedly connected with upper tack coat 9, by upper tack coat 9, basement membrane 10, lower tack coat 11 and reinforcing strip 14
Use cooperatively, can play a part of to reinforce top layer 1, play a part of buffering, reduce the pressure suffered by top layer 1, prevent
Material in top layer 1 occurs damaging and deforms, and press work can be allowed more to facilitate, and can meet the demand of user, upper viscous
The thickness for tying layer 9 is 4~6 microns, and the size of upper tack coat 9 and lower tack coat 11 is adapted, the bottom of upper tack coat 9 and base
Film 10 is fixedly connected, and basement membrane 10 links together with upper tack coat 9 and lower tack coat 11 respectively, such that it is able to carry out laminating, energy
The buffering effect on top layer 1 is enough improved, the bottom of basement membrane 10 is fixedly connected with lower tack coat 11, bottom and the carrying of lower tack coat 11
Film 12 is fixedly connected, and the outer surface of upper tack coat 9, basement membrane 10 and lower tack coat 11 is fixedly connected with reinforcing strip 14, reinforcing strip 14
Top and bottom be fixedly connected with block rubber 13, and two positions of block rubber 13 are located at cuticular layer 8 and carrier film respectively
12 inside, fixed and bracing reinforcement bar 14 can be played a part of by block rubber 13, can be more when press work is carried out
Plus stabilization, so as to ensure the protecting effect to material, prevent top layer 1 and move the situation for causing deformation, the number of reinforcing strip 14
It is five to measure, and the equidistant outer surface installed in upper tack coat 9, basement membrane 10 and lower tack coat 11 of reinforcing strip 14.
This resistance to measuring body extraordinary punching press diaphragm when in use, material is put on top layer 1, then by protective layer 2
Material can be wrapped up, can be facilitated by coherent mass 3 and support bar 4 and material is replaced, such that it is able to save life
Cost is produced, then using cooperatively by upper tack coat 9, basement membrane 10, lower tack coat 11 and reinforcing strip 14, can play reinforcing table
The effect of layer 1, prevents the situation for occurring deformation during to material punching press, effectively raises practicality.
In sum, resistance to measuring body extraordinary punching press diaphragm, by the cooperation of protective layer 2, coherent mass 3 and support bar 4
Use, the coverage for increasing top layer 1 to material can be played, can reduce material when extraordinary press work is carried out is born
The lifting surface area of pressure, is effectively increased the protecting effect to material, by upper tack coat 9, basement membrane 10, the and of lower tack coat 11
Using cooperatively for reinforcing strip 14, can play a part of to reinforce top layer 1, play a part of buffering, reduce the pressure suffered by top layer 1
Power, prevents the material in top layer 1 from occurring damaging and deforming, and solves compressive property deficiency, occurs becoming when causing to material punching press
The problem of shape.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of resistance to measuring body extraordinary punching press diaphragm, including top layer（1）, it is characterised in that：The top layer（1）Appearance bread
It is wrapped with protective layer（2）, the protective layer（2）The both sides at top have been fixedly connected with coherent mass（3）, the coherent mass（3）One
Side passes through support bar（4）With another coherent mass（3）It is fixedly connected, the top layer（1）Hardened layer is provided with the top of inner chamber（5）,
The upper hardened layer（5）Bottom and lower hardened layer（7）It is fixedly connected, the lower hardened layer（7）Bottom and cuticular layer（8）Gu
Fixed connection, the cuticular layer（8）Bottom and upper tack coat（9）It is fixedly connected, the upper tack coat（9）Bottom and basement membrane
（10）It is fixedly connected, the basement membrane（10）Bottom and lower tack coat（11）It is fixedly connected, the lower tack coat（11）Bottom
With carrier film（12）It is fixedly connected, the upper tack coat（9）, basement membrane（10）With lower tack coat（11）Outer surface be fixedly connected with
Reinforcing strip（14）.
2. the resistance to measuring body extraordinary punching press diaphragm of one kind according to claim 1, it is characterised in that：The upper hardened layer
（5）With lower hardened layer（7）Size it is corresponding, and upper hardened layer（5）With lower hardened layer（7）Centre be provided with silica-gel coating（6）.
3. the resistance to measuring body extraordinary punching press diaphragm of one kind according to claim 1, it is characterised in that：The reinforcing strip（14）
Top and bottom be fixedly connected with block rubber（13）, and two block rubbers（13）Position respectively be located at cuticular layer（8）With
Carrier film（12）Inside.
4. the resistance to measuring body extraordinary punching press diaphragm of one kind according to claim 1, it is characterised in that：The upper tack coat
（9）Thickness be 4~6 microns, and upper tack coat（9）With lower tack coat（11）Size be adapted.
5. the resistance to measuring body extraordinary punching press diaphragm of one kind according to claim 1, it is characterised in that：The reinforcing strip（14）
Quantity be five, and reinforcing strip（14）It is equidistant installed in upper tack coat（9）, basement membrane（10）With lower tack coat（11）Appearance
Face.
6. the resistance to measuring body extraordinary punching press diaphragm of one kind according to claim 1, it is characterised in that：The cuticular layer（8）
Material be polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015354.9A CN106739377B (en) | 2016-11-18 | 2016-11-18 | A kind of resistance to measuring body extraordinary punching press protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015354.9A CN106739377B (en) | 2016-11-18 | 2016-11-18 | A kind of resistance to measuring body extraordinary punching press protective film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739377A true CN106739377A (en) | 2017-05-31 |
| CN106739377B CN106739377B (en) | 2018-11-13 |
Family
ID=58969989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015354.9A Expired - Fee Related CN106739377B (en) | 2016-11-18 | 2016-11-18 | A kind of resistance to measuring body extraordinary punching press protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106739377B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123332A (en) * | 2001-10-09 | 2003-04-25 | Lintec Corp | Sheet for manufacturing optical disk |
| CN204650002U (en) * | 2014-09-29 | 2015-09-16 | 合肥乐凯科技产业有限公司 | The anti-dazzle optical hardening film of a kind of resistance blue light |
| CN206335936U (en) * | 2016-11-18 | 2017-07-18 | 无锡祁龙胶粘制品有限公司 | A kind of resistance to measuring body extraordinary punching press diaphragm |
-
2016
- 2016-11-18 CN CN201611015354.9A patent/CN106739377B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123332A (en) * | 2001-10-09 | 2003-04-25 | Lintec Corp | Sheet for manufacturing optical disk |
| CN204650002U (en) * | 2014-09-29 | 2015-09-16 | 合肥乐凯科技产业有限公司 | The anti-dazzle optical hardening film of a kind of resistance blue light |
| CN206335936U (en) * | 2016-11-18 | 2017-07-18 | 无锡祁龙胶粘制品有限公司 | A kind of resistance to measuring body extraordinary punching press diaphragm |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106739377B (en) | 2018-11-13 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191211 Address after: 214000 Yuxi community, Yuqi street, Huishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi Yuxi Film Co., Ltd Address before: Huishan District Jiangsu West 214000 Street jade Yuxi City in Wuxi Province Patentee before: Wuxi Qilian Adhesive Products Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20201118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |