CN209986966U - Double-layer sponge vacuum chuck - Google Patents
Double-layer sponge vacuum chuck Download PDFInfo
- Publication number
- CN209986966U CN209986966U CN201920607437.XU CN201920607437U CN209986966U CN 209986966 U CN209986966 U CN 209986966U CN 201920607437 U CN201920607437 U CN 201920607437U CN 209986966 U CN209986966 U CN 209986966U
- Authority
- CN
- China
- Prior art keywords
- layer
- vacuum chuck
- filter screen
- cover plate
- double
- 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.)
- Withdrawn - After Issue
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 22
- 230000000740 bleeding effect Effects 0.000 claims abstract description 13
- 229920000459 Nitrile rubber Polymers 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 36
- 239000002355 dual-layer Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Abstract
The utility model discloses a double-layer sponge vacuum chuck, wherein the bottom of the inner wall of the inner layer is provided with a raised annular step, and a first filter screen is arranged on the annular step; the bottom of the outer layer is provided with a rubber pad; the cover plate is covered above the sucker body; the connecting pipe is connected to the bottom of the cover plate, extends into the inner layer and is connected with the inner layer, and the first filter screen is tightly pressed on the annular step; one end of the air exhaust vertical pipe is arranged at the top of the cover plate and is communicated with the connecting pipe, and the ribbed plate is connected between the side surface of the air exhaust vertical pipe and the top surface of the cover plate; the adapter of bleeding is installed at the riser other end of bleeding, and the second filter screen is installed and is bled between the adapter and the riser of bleeding. The utility model provides a two-layer equation sponge vacuum chuck can stabilize the comparatively coarse and probably the product that drops debris in adsorption surface, has ensured the long-time work reliably of sucking disc simultaneously, solves current ordinary vacuum chuck and adsorbs unstability, gas leakage, absorb failure and the easy debris of exhaust vent and block the scheduling problem at rough surface.
Description
Technical Field
The utility model relates to a vacuum chuck technical field, more specifically the double-deck formula sponge vacuum chuck that says so relates to.
Background
With the development of the wall climbing robot and other technologies, the application and development of vacuum equipment product transportation are driven. The sucking disc is an important executive component for vacuum adsorption and transportation of products, has the characteristics of simple and reliable workpiece grabbing, generally cannot cause damage to the surfaces of the products, and is the best choice for transportation of parts and packaging materials. Vacuum chuck's usage is very extensive, but traditional vacuum chuck adopts rubber suction cup to absorb mostly, and this kind of mode is based on the differentiation of product, and its adsorptivity has very big instability, leaks gas in the use, the coarse surface absorbs failure and the aspirating hole is taken place occasionally by impurity jam scheduling problem, brings the inconvenience for the production is used.
Therefore, it is an urgent need to solve the problem of providing a double-layer sponge vacuum chuck capable of stably adsorbing an object.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a double-deck formula sponge vacuum chuck solves current ordinary vacuum chuck and adsorbs unstability, leaks gas, absorbs failure and the easy scheduling problem that is blocked by debris of exhaust vent at rough surface.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-layer sponge vacuum chuck comprises a chuck body and an air exhaust mechanism arranged on the chuck body;
the sucker body comprises a first filter screen, an inner layer, a middle layer and an outer layer which are sequentially arranged from inside to outside; wherein the bottom of the inner wall of the inner layer is provided with a raised annular step, and the first filter screen is arranged on the annular step; the bottom of the outer layer is provided with a rubber pad;
the air exhaust mechanism comprises a cover plate, a rib plate, a connecting pipe, an air exhaust vertical pipe, an air exhaust adapter and a second filter screen; wherein the cover plate is covered above the sucker body; the connecting pipe is connected to the bottom of the cover plate, extends into the inner layer and is connected with the inner layer, and the first filter screen is tightly pressed on the annular step; one end of the air exhaust vertical pipe is arranged at the top of the cover plate and is communicated with the connecting pipe, and the ribbed plate is connected between the side surface of the air exhaust vertical pipe and the top surface of the cover plate; the adapter of bleeding is installed the riser other end of bleeding, the second filter screen is installed the adapter of bleeding with between the riser of bleeding.
The utility model discloses the sucking disc body has adopted two lip limit formulas to adsorb by inlayer, middle level and the skin that sets gradually from inside to outside, has better leakproofness and do not harm the contact surface, and the sucking disc in two lip limits has significantly reduced the emergence of sucking disc gas leakage simultaneously, and the absorption of very applicable to rough surface has adopted the two-stage filtration, has prolonged the life of sucking disc, has ensured that the sucking disc works reliably for a long time.
Preferably, in the double-layer sponge vacuum chuck, the inner layer, the middle layer and the outer layer are fixedly connected in sequence from inside to outside, the inner layer, the middle layer, the outer layer and the rubber pad are all circular rings, and the axial section of the rubber pad is wedge-shaped; the upper end surfaces of the inner layer and the middle layer are planes, and the lower end surface of the middle layer is provided with an inclination angle alpha which is 10-20 degrees; the two end faces of the outer layer are both planes; the rubber pad is fixedly connected to the lower end of the outer layer, and the wedge angle of the rubber pad is 1/2 alpha.
Preferably, in the double-layer sponge vacuum chuck, one end of the air-extracting adapter is a connecting sleeve, the other end of the air-extracting adapter is composed of an inserting inner pipe, a connecting sleeve internal thread is arranged on the inner wall of the connecting sleeve, a vertical pipe external thread matched with the connecting sleeve internal thread is arranged on the outer wall of the air-extracting vertical pipe, the connecting sleeve is connected with the air-extracting vertical pipe through the connecting sleeve internal thread and the vertical pipe external thread, and the second filter screen is tightly pressed on the end face of the top end of the air-extracting vertical pipe; and the outer wall of the inserting inner pipe is provided with an inverse locking type groove.
Preferably, in the double-layer sponge vacuum chuck, the outer wall of the connecting pipe is provided with an external thread of the connecting pipe, the inner wall of the inner layer is provided with an internal thread matched with the external thread of the connecting pipe, and the connecting pipe is connected with the inner layer through the external thread of the connecting pipe and the internal thread of the inner layer.
Preferably, in the double-layer sponge vacuum chuck, the number of the rib plates is four, and the four rib plates are uniformly distributed between the side surface of the air exhaust vertical pipe and the top surface of the cover plate.
Preferably, in the double-layer sponge vacuum chuck, the upper ends of the inner layer, the middle layer and the outer layer are bonded to the bottom surface of the cover plate.
Preferably, in the above-mentioned double-deck sponge vacuum chuck, the adapter of bleeding the apron the floor the connecting pipe with the riser of bleeding all adopts the aluminum alloy material to make.
Preferably, in the double-layer sponge vacuum chuck, the middle layer and the outer layer are both made of nitrile rubber foam sponge.
Preferably, in the double-layer sponge vacuum chuck, the inner layer and the rubber pad are both made of nitrile rubber.
Preferably, in the double-layer sponge vacuum chuck, the rims of the first filter screen and the second filter screen are both made of nitrile rubber, the filter screens are both metal filter screens, and the size of the screen hole of the first filter screen is 40 meshes; the sieve pore size of the second filter screen is 200 meshes.
According to the technical scheme, compare with prior art, the utility model discloses a double-deck formula sponge vacuum chuck, the utility model discloses a sponge and butadiene-acrylonitrile rubber's two lip limit formulas adsorb, had both had characteristics such as the sponge leakproofness is good, the texture is soft, do not harm contact surface, had characteristics such as butadiene-acrylonitrile rubber sucking disc wear-resisting, resistant oil again, and the sucking disc in two lip limits has significantly reduced the emergence of sucking disc gas leakage simultaneously, is applicable to the absorption on rough surface very much.
The utility model discloses a two-stage filtration, and filter screen edge material are butadiene acrylonitrile rubber, and this kind of setting has still played sealed effect at the port that needs seal when playing filtering impurity, has both prolonged the life of sucking disc and has improved the gas tightness of sucking disc again, has ensured that the sucking disc works reliably for a long time.
The utility model discloses simple structure can recycle, can greatly reduction in production cost, can obtain the wide application in industrial and agricultural production and daily life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a perspective view of the present invention
Fig. 2 is a cross-sectional view of the present invention
FIG. 3 is a cross-sectional view of the suction adapter
FIG. 4 is a half sectional view of the air pumping mechanism
FIG. 5 is a cross-sectional view of the suction cup body
Fig. 6 is a top view of the first filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses double-deck formula sponge vacuum chuck can stabilize the comparatively coarse and probably drop debris's of adsorption surface product, has ensured the long-time work reliably of sucking disc simultaneously.
With reference to the attached drawings 1-6, the utility model discloses a double-layer sponge vacuum sucker, which comprises a sucker body and an air exhaust mechanism arranged on the sucker body;
the sucker body comprises a first filter screen 11, and an inner layer 12, a middle layer 13 and an outer layer 14 which are sequentially arranged from inside to outside; wherein, the bottom of the inner wall of the inner layer 12 is provided with a raised annular step 15, and the first filter screen 11 is arranged on the annular step 15; the bottom of the outer layer 14 is provided with a rubber pad 16;
the air extracting mechanism comprises a cover plate 21, a ribbed plate 22, a connecting pipe 23, an air extracting vertical pipe 24, an air extracting adapter 25 and a second filter screen 26; wherein the cover plate 21 covers the sucker body; the connecting pipe 23 is connected to the bottom of the cover plate 21, the connecting pipe 23 extends into the inner layer 12 to be connected with the inner layer 12, and the first filter screen 11 is tightly pressed on the annular step 15; one end of the air extraction vertical pipe 24 is arranged on the top of the cover plate 21 and is communicated with the connecting pipe 23, and the ribbed plate 22 is connected between the side surface of the air extraction vertical pipe 24 and the top surface of the cover plate 21; the suction adapter 25 is mounted on the other end of the suction riser 24 and the second filter 26 is mounted between the suction adapter 25 and the suction riser 24.
The utility model discloses the sucking disc body has adopted two lip limit formulas to adsorb by inlayer 12, middle level 13 and the outer 14 that sets gradually from inside to outside, has better leakproofness and do not harm the contact surface, and the sucking disc of two lip limits's sucking disc significantly reduced the emergence of sucking disc gas leakage simultaneously, is applicable to the absorption on rough surface very much, has adopted the two-stage filtration, has prolonged the life of sucking disc, has ensured that the sucking disc works reliably for a long time.
In order to further optimize the technical scheme, the inner layer 12, the middle layer 13 and the outer layer 14 are fixedly connected in sequence from inside to outside, the inner layer 12, the middle layer 13, the outer layer 14 and the rubber pad 16 are all circular rings, and the axial section of the rubber pad 16 is wedge-shaped; the upper end surfaces of the inner layer 12 and the middle layer 13 are planes, the lower end surface of the middle layer 13 is provided with an inclination angle alpha, and the inclination angle alpha is 10-20 degrees; both end faces of the outer layer 14 are flat; rubber pad 16 is secured to the lower end of outer layer 14 at a wedge angle of 1/2 α.
In order to further optimize the technical scheme, one end of the air extraction adapter 25 is a connecting sleeve 251, the other end of the air extraction adapter is composed of an inserting inner pipe 252, a connecting sleeve internal thread is arranged on the inner wall of the connecting sleeve 251, a vertical pipe external thread matched with the connecting sleeve internal thread is arranged on the outer wall of the air extraction vertical pipe 24, the connecting sleeve 251 is connected with the air extraction vertical pipe 24 through the connecting sleeve internal thread and the vertical pipe external thread, and the second filter screen 26 is tightly pressed on the end face of the top end of the air extraction vertical pipe; the outer wall of the inserting inner pipe 252 is provided with a reverse locking type groove, the reverse locking type groove is a wedge-shaped groove, the opening of the reverse locking type groove faces the connecting sleeve 251, and when the air pipe is inserted into the inserting inner pipe 252, the groove opening faces the connecting sleeve 251, so that the air pipe can be prevented from loosening or withdrawing.
In order to further optimize the technical scheme, the outer wall of the connecting pipe 23 is provided with a connecting pipe external thread, the inner wall of the inner layer 12 is provided with an inner layer internal thread matched with the connecting pipe external thread, and the connecting pipe 23 is connected with the inner layer 12 through the connecting pipe external thread and the inner layer internal thread.
In order to further optimize the solution described above, the ribs 22 are provided in four pieces, evenly distributed between the side of the extraction riser 24 and the top of the cover 21.
In order to further optimize the above technical solution, the upper ends of the inner layer 12, the middle layer 13 and the outer layer 14 are bonded with the bottom surface of the cover plate 21.
In order to further optimize the technical scheme, the air extraction adapter 25, the cover plate 21, the ribbed plate 22, the connecting pipe 23 and the air extraction vertical pipe 24 are all made of aluminum alloy materials.
In order to further optimize the technical scheme, the middle layer 13 and the outer layer 14 are both made of nitrile rubber foam sponge.
In order to further optimize the above technical solution, inner layer 12 and rubber pad 16 are both made of nitrile rubber.
In order to further optimize the technical scheme, the rims of the first filter screen 11 and the second filter screen 26 are both made of nitrile rubber, the filter screens are both metal filter screens, and the mesh size of the first filter screen 11 is 40 meshes; the second filter screen 26 has a mesh size of 200 mesh.
The working process of the utility model is as follows:
the first step is as follows: the suction adapter 25 is connected to the vacuum generator.
The second step is that: the sucker body is placed on the surface of a product to be adsorbed, and proper pressure is applied to deform the sponge and cling to the surface of the product.
The third step: the vacuum generator is started to generate a certain degree of vacuum negative pressure in the air exhaust vertical pipe 24, and the adsorption is completed.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A double-layer sponge vacuum chuck is characterized by comprising a chuck body and an air exhaust mechanism arranged on the chuck body;
the sucker body comprises a first filter screen, an inner layer, a middle layer and an outer layer which are sequentially arranged from inside to outside; wherein the bottom of the inner wall of the inner layer is provided with a raised annular step, and the first filter screen is arranged on the annular step; the bottom of the outer layer is provided with a rubber pad;
the air exhaust mechanism comprises a cover plate, a rib plate, a connecting pipe, an air exhaust vertical pipe, an air exhaust adapter and a second filter screen; wherein the cover plate is covered above the sucker body; the connecting pipe is connected to the bottom of the cover plate, extends into the inner layer and is connected with the inner layer, and the first filter screen is tightly pressed on the annular step; one end of the air exhaust vertical pipe is arranged at the top of the cover plate and is communicated with the connecting pipe, and the ribbed plate is connected between the side surface of the air exhaust vertical pipe and the top surface of the cover plate; the adapter of bleeding is installed the riser other end of bleeding, the second filter screen is installed the adapter of bleeding with between the riser of bleeding.
2. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the inner layer, the middle layer and the outer layer are fixedly connected in sequence from inside to outside, the inner layer, the middle layer, the outer layer and the rubber pad are all circular rings, and the axial section of the rubber pad is wedge-shaped; the upper end surfaces of the inner layer and the middle layer are planes, and the lower end surface of the middle layer is provided with an inclination angle alpha which is 10-20 degrees; the two end faces of the outer layer are both planes; the rubber pad is fixedly connected to the lower end of the outer layer, and the wedge angle of the rubber pad is 1/2 alpha.
3. The double-layer sponge vacuum chuck as claimed in claim 2, wherein the air-extracting adapter has a connecting sleeve at one end and an inner plugging tube at the other end, the inner wall of the connecting sleeve is provided with an internal connecting sleeve thread, the outer wall of the air-extracting vertical tube is provided with an external vertical tube thread matching with the internal connecting sleeve thread, the connecting sleeve is connected with the air-extracting vertical tube via the internal connecting sleeve thread and the external vertical tube thread, and the second filter screen is pressed tightly on the end surface of the top end of the air-extracting vertical tube; and the outer wall of the inserting inner pipe is provided with an inverse locking type groove.
4. The double-layer sponge vacuum chuck as claimed in claim 3, wherein the outer wall of the connecting pipe is provided with an external thread of the connecting pipe, the inner wall of the inner layer is provided with an internal thread matching with the external thread of the connecting pipe, and the connecting pipe is connected with the inner layer through the external thread of the connecting pipe and the internal thread of the inner layer.
5. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the ribs are provided with four pieces which are uniformly distributed between the side surface of the suction riser and the top surface of the cover plate.
6. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the upper ends of the inner layer, the middle layer and the outer layer are adhered to the bottom surface of the cover plate.
7. The dual-layer sponge vacuum chuck as claimed in claim 1, wherein the pumping adaptor, the cover plate, the rib plate, the connecting tube and the pumping riser are made of aluminum alloy.
8. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the middle layer and the outer layer are made of nitrile rubber foam sponge.
9. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the inner layer and the rubber pad are made of nitrile rubber.
10. The double-layer sponge vacuum chuck as claimed in claim 1, wherein the rims of the first filter screen and the second filter screen are made of nitrile rubber, the filter screens are metal filter screens, and the size of the first filter screen mesh is 40 meshes; the sieve pore size of the second filter screen is 200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607437.XU CN209986966U (en) | 2019-04-29 | 2019-04-29 | Double-layer sponge vacuum chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607437.XU CN209986966U (en) | 2019-04-29 | 2019-04-29 | Double-layer sponge vacuum chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209986966U true CN209986966U (en) | 2020-01-24 |
Family
ID=69293039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920607437.XU Withdrawn - After Issue CN209986966U (en) | 2019-04-29 | 2019-04-29 | Double-layer sponge vacuum chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209986966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014449A (en) * | 2019-04-29 | 2019-07-16 | 吉林大学 | A kind of two-layer equation sponge vacuum sucker |
-
2019
- 2019-04-29 CN CN201920607437.XU patent/CN209986966U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014449A (en) * | 2019-04-29 | 2019-07-16 | 吉林大学 | A kind of two-layer equation sponge vacuum sucker |
| CN110014449B (en) * | 2019-04-29 | 2024-03-22 | 吉林大学 | Double-deck sponge vacuum chuck |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209986966U (en) | Double-layer sponge vacuum chuck | |
| CN213184250U (en) | Novel chip suction nozzle | |
| CN110056566A (en) | A kind of vacuum chuck for compromise face absorption | |
| CN110014449B (en) | Double-deck sponge vacuum chuck | |
| CN211867668U (en) | Gasket assembling tool | |
| CN103775261A (en) | Automotive dust discharge valve | |
| CN210096863U (en) | Desktop boxing ball | |
| CN212904785U (en) | Air outlet pipe of sampler for air detection | |
| CN218762542U (en) | Sucking disc formula vibration sensor probe | |
| CN213870706U (en) | Sucking disc mechanism of adaptable multiple shape | |
| CN214869650U (en) | Polishing machine for pneumatic diaphragm pump | |
| CN216556240U (en) | Vacuum system connects fixed bolster | |
| CN209884023U (en) | Vacuum chuck and glass wiping robot | |
| CN206729835U (en) | Filter assemblies, filter and dust catcher | |
| CN114251453B (en) | Sealing strip and vacuum chuck convenient to maintain | |
| CN203439699U (en) | Vacuum chuck for handling non-planar workpiece | |
| CN212553336U (en) | Vacuum chuck clamp for machining | |
| CN214981130U (en) | Vacuum chuck for parts with holes | |
| CN218913443U (en) | Suction cup air valve and multipoint vacuum suction cup | |
| CN217462488U (en) | Air compressor machine waste fitting discharging | |
| CN217348957U (en) | Self-sealing exhaust valve of compression bag | |
| CN216190288U (en) | Combined type sucking disc | |
| CN213833662U (en) | Sucking disc for feeding of glass cutting machine | |
| CN210735947U (en) | Novel vacuum chuck | |
| CN217002625U (en) | Vacuum chuck of exposure machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |