CN211733269U - A dust collector for leaving type membrane rewinding machine - Google Patents
A dust collector for leaving type membrane rewinding machine Download PDFInfo
- Publication number
- CN211733269U CN211733269U CN201922487078.1U CN201922487078U CN211733269U CN 211733269 U CN211733269 U CN 211733269U CN 201922487078 U CN201922487078 U CN 201922487078U CN 211733269 U CN211733269 U CN 211733269U
- Authority
- CN
- China
- Prior art keywords
- rewinding
- fixed metal
- dust
- support
- rotating shaft
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 56
- 239000012528 membrane Substances 0.000 title claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000001179 sorption measurement Methods 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- 230000000452 restraining effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a dust collector for leaving type membrane rewinding machine, including upper bracket, left socle, right branch frame, bottom balance support, rewinding roller, cleaning roller, guide duct, air-blast mechanism, dust absorption structure, the fixed angle steel that uses of machine, motor, transmission structure, bundle bellows, positive pressure fan, ash collecting box, active carbon adsorption layer, negative pressure fan, dust absorption pipeline, suction opening, first fixed metal dish, the fixed metal dish of second, first pivot, second pivot, driven gear dish, initiative gear dish, driven runner, driving belt and initiative runner. The utility model discloses it can let first fixed metal dish and the fixed metal dish of second in the opposite direction go on in step at the uniform velocity rotation only to have reached, makes from the step that the surface conduction of type membrane from cleaning roller to the surface of rewinding roller is smooth more in step, reduces the probability that rewinding in-process bubble produced effectively, has also promoted the quality from the type membrane after the rewinding when reducing the electric power cost.
Description
Technical Field
The utility model relates to a dust removal structure specifically is a dust collector for leaving type membrane rewinding machine belongs to industrial production technical field.
Background
The rewinding machine is a special equipment for paper, mica tape and film, and is used for trimming, slitting, jointing and rewinding the original paper roll produced by a paper machine to form a certain specification and the like, and the paper is rewound to be made into finished paper and delivered out of a factory. The rewinding machine can produce piece and dust in the course of working of former scroll, and piece and dust fall into easily to former scroll, and the former scroll that has piece and dust can influence subsequent processing effect.
The dust removing device of the rewinding machine in the market only performs one-time air blowing dust removing operation, the position of the impurity is random and incomplete, the impurity is likely to be blown to another area nearby from the area, and the impurity with slightly larger viscosity is likely to be removed. Therefore, a dust removal device for a release film rewinding machine is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust collector for leaving type membrane rewinding machine in order to solve above-mentioned problem just.
The utility model realizes the purpose by the following technical proposal, a dust removing device for a release film rewinder, which comprises an upper bracket, a left bracket, a right bracket, a bottom balance bracket, a rewinding roller and a cleaning roller;
the upper surface of the upper support is provided with a dust collection structure, the left end and the right end of the upper support are respectively welded with a left support and a right support, a bottom balance support is welded between the other ends of the right support of the left support, the surfaces of one sides of the lower ends of the left support and the right support, which are far away from the dust collection structure, are fixedly connected with machine fixing angle steel in a threaded manner, a rewinding roller is arranged below the upper support, an air guide pipe is arranged below the rewinding roller, a cleaning roller is arranged below the air guide pipe, a transmission structure is arranged on the left side surface of the left support, and an air blowing structure is arranged on the right side surface of the right support;
the air blowing structure comprises an air restraining box and a positive pressure fan, the air restraining box is arranged on the right side surface of the right support, the positive pressure fan is arranged on the inner wall of the right side of the air restraining box, and the left side of the positive pressure fan is communicated with the inside of the air guide pipe;
the transmission structure includes first fixed metal dish, the fixed metal dish of second, first pivot, second pivot, driven gear dish, initiative gear dish, driven runner, driving belt and initiative runner, the rigid coupling has first pivot and second pivot respectively at the both ends of the fixed metal dish of first fixed metal dish and second, the central point of second pivot has cup jointed the initiative runner, first pivot and second pivot all run through and install in the left socle, just first pivot cup joints driven gear dish outward, the below meshing of driven gear dish installs the initiative gear dish, the driving gear dish cup joints in driven runner, driven runner passes through the driving belt transmission with the initiative runner and is connected.
Preferably, the left side surfaces of the rewinding roller and the cleaning roller are fixedly connected with a first fixed metal disc and a second fixed metal disc respectively, the right side surfaces of the rewinding roller and the cleaning roller are fixedly connected with a metal rotating shaft, and the metal rotating shafts are embedded in the right support.
Preferably, dust collection structure includes collection ash box, activated carbon adsorption layer, negative pressure fan, dust absorption pipeline and suction opening, the collection ash box is installed at dust collection structure's shell top, two-layer activated carbon adsorption layer is installed to the below of collection ash box, negative pressure fan is installed to activated carbon adsorption layer's below, the lower surface mounting of upper bracket has the dust absorption pipeline, a plurality of evenly distributed's suction opening is seted up to the lower surface of dust absorption pipeline, the upper surface of dust absorption pipeline has been seted up the passageway and has been link up with negative pressure fan mutually, the suction opening is located the rewinding roller directly over.
Preferably, the front views of the second rotating shaft and the driving rotating wheel are coaxial circles, and the driving rotating wheel is sleeved at the output end of the motor.
Preferably, the motor is fixedly connected to the left side surface of the left bracket through two fixed metal blocks.
Preferably, the outer surface of the cleaning roller is wrapped with adhesive sticker.
The utility model has the advantages that:
1. the utility model discloses an installation motor makes the drive runner rotate at the uniform velocity, and then drives driven runner and drive gear dish through the transmission belt and rotate, then drive the rotation of driven gear dish and first pivot through the meshing of gear, finally reached only need a motor can let first fixed metal dish and second fixed metal dish in opposite direction go on in step rotate at the uniform velocity in step synchronously, make the step of the surface conduction of release film from cleaning roller to the surface of rewinding roller more synchronous smooth, reduce the probability that the bubble produced in the rewinding process effectively, also promoted the quality of the release film after the rewinding when reducing the electric power cost;
2. the surface of the cleaning roller is wrapped with non-setting adhesive and can effectively stick away most of ash flocs, then the cooperation of the positive pressure fan and the air guide pipe can blow away residual solid impurities by blowing air in the process of transferring the release film from the cleaning roller to the surface of the rewinding roller, when the rewinding roller performs rewinding operation on the release film, the impurities in the air contacted with the release film in the transmission process can be sucked away by the negative pressure fan through a dust suction pipeline and a suction hole, then one part of the impurities is adsorbed by the activated carbon adsorption layer, the residual impurities enter the ash collecting box, after the production is finished, a worker can detach the ash collecting box and the activated carbon adsorption layer for cleaning, and the impurities on the surface of the release film in the rewinding process can be removed as much as possible by three times of dust removal operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic view of the transmission structure of the present invention.
In the figure: 1. the device comprises an upper bracket, 2, a left bracket, 3, a right bracket, 4, a bottom balance bracket, 5, a rewinding roller, 6, a cleaning roller, 7, an air guide pipe, 8, an air blowing mechanism, 9, a dust suction structure, 10, machine fixing angle steel, 19, a motor, 20, a transmission structure, 801, a wind box, 802, a positive pressure fan, 901, an ash collection box, 902, an activated carbon adsorption layer, 903, a negative pressure fan, 904, a dust suction pipeline, 905, a suction hole, 2001, a first fixed metal disc, 2002, a second fixed metal disc, 2003, a first rotating shaft, 2004, a second rotating shaft, 2005, a driven gear disc, 2006, a driving gear disc, 2007, a driven rotating wheel, 2008, a transmission belt, 2009 and a driving rotating wheel.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a dust removing device for a release film rewinding machine comprises an upper bracket 1, a left bracket 2, a right bracket 3, a bottom balance bracket 4, a rewinding roller 5 and a cleaning roller 6;
the dust collection device comprises an upper support 1, a dust collection structure 9, a left support 2 and a right support 3, a bottom balance support 4, a machine fixing angle steel 10, a rewinding roller 5, an air guide pipe 7, a cleaning roller 6, a transmission structure 20 and an air blowing structure 8, wherein the left surface and the right surface of the upper support 1 are respectively welded and mounted at the left end and the right end of the upper support 1, the bottom balance support 4 is welded and mounted between the other ends of the right supports 3 of the left support 2, the surfaces of one sides, far away from the dust collection structure 9, of the lower ends of the left support 2 and the right support 3 are both fixedly connected with the machine fixing angle steel 10 in a threaded manner, the rewinding roller 5 is mounted below the upper support 1, the air guide pipe 7 is mounted;
the air blowing structure 8 comprises a wind-binding box 801 and a positive pressure fan 802, the wind-binding box 801 is mounted on the right side surface of the right bracket 3, the positive pressure fan 802 is mounted on the inner wall of the right side of the wind-binding box 801, and the left side of the positive pressure fan 802 is communicated with the inside of the air guide pipe 7;
the transmission structure 20 includes a first fixed metal disc 2001, a second fixed metal disc 2002, a first rotating shaft 2003, a second rotating shaft 2004, a driven gear disc 2005, a driving gear disc 2006, a driven rotating wheel 2007, a transmission belt 2008 and a driving rotating wheel 2009, wherein the first rotating shaft 2003 and the second rotating shaft 2004 are respectively fixedly connected to two ends of the first fixed metal disc 2001 and the second fixed metal disc 2002, the driving rotating wheel 2009 is sleeved at the center of the second rotating shaft 2004, the first rotating shaft 2003 and the second rotating shaft 2004 are both mounted on the left bracket 2 in a penetrating manner, the driven gear disc 2005 is sleeved outside the first rotating shaft 2003, the driving gear disc 2006 is mounted below the driven gear disc 2005 in a meshing manner, the driving gear disc 2006 is sleeved on the driven rotating wheel 2007, and the driven rotating wheel 2007 is in transmission connection with the driving rotating wheel 2009 through the transmission belt 2008.
A first fixed metal disc 2001 and a second fixed metal disc 2002 are fixedly connected to the left side surfaces of the rewinding roller 5 and the cleaning roller 6 respectively, metal rotating shafts are fixedly connected to the right side surfaces of the rewinding roller 5 and the cleaning roller 6 respectively, and the metal rotating shafts are embedded in the right bracket 3; the dust collection structure 9 comprises an ash collection box 901, an activated carbon adsorption layer 902, a negative pressure fan 903, a dust collection pipeline 904 and an air suction hole 905, wherein the ash collection box 901 is installed at the top of a shell of the dust collection structure 9, two activated carbon adsorption layers 902 are installed below the ash collection box 901, the negative pressure fan 903 is installed below the activated carbon adsorption layers 902, the dust collection pipeline 904 is installed on the lower surface of the upper support 1, the air suction holes 905 which are uniformly distributed are formed in the lower surface of the dust collection pipeline 904, a channel is formed in the upper surface of the dust collection pipeline 904 and communicated with the negative pressure fan 903, and the air suction hole 905 is located right above the rewinding roller 5; the front views of the second rotating shaft 2004 and the driving rotating wheel 2009 are coaxial circles, and the driving rotating wheel 2009 is sleeved at the output end of the motor 19; the motor 19 is fixedly connected to the left side surface of the left bracket 2 through two fixed metal blocks; the outer surface of the cleaning roller 6 is wrapped with adhesive sticker.
When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, firstly, a worker opens the motor 19, the driving rotating wheel 2009 rotates at a constant speed by installing the motor 19, then the driven rotating wheel 2007 and the driving gear disc 2006 are driven to rotate by the transmission belt 2008, then the driven gear disc 2005 and the first rotating shaft 2003 are driven to rotate by the meshing of gears, finally, the synchronous constant-speed rotation in the opposite directions of the first fixed metal disc 2001 and the second fixed metal disc 2002 can be realized by only one motor 19, so that the step of transmitting the release film from the surface of the cleaning roller 6 to the surface of the rewinding roller 5 is more synchronous and smooth, the probability of generating bubbles in the rewinding process is effectively reduced, the quality of the release film after rewinding is also improved while the electric power cost is reduced, most of gray wadding can be effectively adhered away by the adhesive on the surface of the cleaning roller 6 in the process, then the positive pressure fan 802 and the air duct 7 are matched to blow air to blow away residual solid impurities in the process that the release film is conducted from the cleaning roller 6 to the surface of the rewinding roller 5, when the rewinding roller 5 rewinds the release film, impurities in air contacted with the release film in the transmission process are sucked away by the negative pressure fan 903 through the dust suction pipeline 904 and the air suction hole 905, then a part of the impurities are adsorbed by the activated carbon adsorption layer 902, the rest of the impurities enter the dust collection box 901, after the production is finished, a worker can disassemble the dust collection box 901 and the activated carbon adsorption layer 902 to clean the impurities on the surface of the release film in the rewinding process, and the impurities can be removed as much as possible by three times of dust removal operation.
The motor 19 is of model YD160M-4/2 manufactured by Yamada motors of Inc., Anhui and its associated power supply and circuit.
It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a dust collector for leaving type membrane rewinding machine which characterized in that: comprises an upper bracket (1), a left bracket (2), a right bracket (3), a bottom balance bracket (4), a rewinding roller (5) and a cleaning roller (6);
the dust collection device is characterized in that a dust collection structure (9) is mounted on the upper surface of the upper support (1), a left support (2) and a right support (3) are respectively welded and mounted at the left end and the right end of the upper support (1), a bottom balance support (4) is welded and mounted between the other ends of the right support (3) of the left support (2), machine fixing angle steel (10) is fixedly connected to the surfaces of one sides, far away from the dust collection structure (9), of the lower ends of the left support (2) and the right support (3) in a threaded manner, rewinding rollers (5) are mounted below the upper support (1), an air guide pipe (7) is mounted below the rewinding rollers (5), a cleaning roller (6) is mounted below the air guide pipe (7), a transmission structure (20) is mounted on the surface of the left side of the left support (2), and an air blowing structure (8) is mounted on the surface of;
the air blowing structure (8) comprises a wind-bundling box (801) and a positive pressure fan (802), the wind-bundling box (801) is installed on the right side surface of the right support (3), the positive pressure fan (802) is installed on the inner wall of the right side of the wind-bundling box (801), and the left side of the positive pressure fan (802) is communicated with the inside of the air guide pipe (7);
the transmission structure (20) comprises a first fixed metal disc (2001), a second fixed metal disc (2002), a first rotating shaft (2003), a second rotating shaft (2004), a driven gear disc (2005), a driving gear disc (2006), a driven rotating wheel (2007), a transmission belt (2008) and a driving rotating wheel (2009), wherein the two ends of the first fixed metal disc (2001) and the second fixed metal disc (2002) are fixedly connected with the first rotating shaft (2003) and the second rotating shaft (2004) respectively, the driving rotating wheel (2009) is sleeved at the center position of the second rotating shaft (2004), the first rotating shaft (2003) and the second rotating shaft (2004) are both arranged on the left bracket (2) in a penetrating mode, the driven gear disc (2005) is sleeved outside the first rotating shaft (2003), the driving gear disc (2006) is arranged below the driven gear disc (2005) in a meshing mode, and the driving gear disc (2006) is sleeved on the driven rotating wheel (2007), the driven rotating wheel (2007) is in transmission connection with the driving rotating wheel (2009) through a transmission belt (2008).
2. The dust removing device for the release film rewinding machine according to claim 1, characterized in that: the left side surfaces of the rewinding roller (5) and the cleaning roller (6) are fixedly connected with a first fixed metal disc (2001) and a second fixed metal disc (2002) respectively, the right side surfaces of the rewinding roller (5) and the cleaning roller (6) are fixedly connected with metal rotating shafts, and the metal rotating shafts are embedded in the right support (3).
3. The dust removing device for the release film rewinding machine according to claim 1, characterized in that: dust collection structure (9) are including album ash box (901), activated carbon adsorption layer (902), negative pressure fan (903), dust absorption pipeline (904) and suction opening (905), collection ash box (901) is installed at the shell top of dust collection structure (9), two-layer activated carbon adsorption layer (902) are installed to the below of collection ash box (901), negative pressure fan (903) are installed to the below of activated carbon adsorption layer (902), the lower surface mounting of upper bracket (1) has dust absorption pipeline (904), a plurality of evenly distributed's suction opening (905) have been seted up to the lower surface of dust absorption pipeline (904), the upper surface of dust absorption pipeline (904) has been seted up the passageway and has been link up with negative pressure fan (903) mutually, suction opening (905) are located rewinding roller (5) directly over.
4. The dust removing device for the release film rewinding machine according to claim 1, characterized in that: the front views of the second rotating shaft (2004) and the driving rotating wheel (2009) are coaxial circles, and the driving rotating wheel (2009) is sleeved at the output end of the motor (19).
5. The dust removing device for the release film rewinding machine according to claim 4, characterized in that: the motor (19) is fixedly connected to the left side surface of the left support (2) through two fixed metal blocks.
6. The dust removing device for the release film rewinding machine according to claim 1, characterized in that: the outer surface of the cleaning roller (6) is wrapped with adhesive sticker.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922487078.1U CN211733269U (en) | 2019-12-31 | 2019-12-31 | A dust collector for leaving type membrane rewinding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922487078.1U CN211733269U (en) | 2019-12-31 | 2019-12-31 | A dust collector for leaving type membrane rewinding machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211733269U true CN211733269U (en) | 2020-10-23 |
Family
ID=72868126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922487078.1U Expired - Fee Related CN211733269U (en) | 2019-12-31 | 2019-12-31 | A dust collector for leaving type membrane rewinding machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211733269U (en) |
-
2019
- 2019-12-31 CN CN201922487078.1U patent/CN211733269U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107605896B (en) | Attaching mechanism and auxiliary material attaching system | |
CN211733269U (en) | A dust collector for leaving type membrane rewinding machine | |
CN107199760B (en) | Straight line laminator | |
CN101794060A (en) | Rotary frame capable of making digital camera automatically rotate for 360 degrees | |
CN217191358U (en) | Production equipment for film plastic packaging bag | |
CN110937203A (en) | A product pastes mark device for workshop assembly line | |
CN206679857U (en) | Sheet glass feed mechanism | |
CN214827230U (en) | Torque transmission structure for transverse changing device | |
CN210821182U (en) | Color printing packaging paperboard film laminating device | |
CN112201170B (en) | Flexible display screen laminating device | |
CN212021592U (en) | Optical cement film covering mechanism | |
CN221017751U (en) | Dust collecting equipment is used in production of mute light from type membrane | |
CN210391828U (en) | Adhesive sticker labeling device | |
CN220295285U (en) | Ash brushing device for upper electrode foil of nailing machine | |
CN214163157U (en) | Quick pipe cutter | |
CN215418109U (en) | Wafer bonding clamping device | |
CN218939461U (en) | Capacitor element metallized film winding equipment | |
CN213843702U (en) | Large-size panel polaroid attaching device | |
CN218432057U (en) | A rubberizing mechanism for box shell | |
CN215646862U (en) | Mobile phone motherboard with dustproof subassembly | |
CN209835221U (en) | Roll rubberizing subassembly and roll rubberizing device | |
CN220516746U (en) | Product rotating mechanism, detection device and processing equipment | |
CN202670831U (en) | Narrow-width high-speed automatic winding and unwinding support | |
CN219820638U (en) | Metal sheet roll laminating mechanism | |
CN220886293U (en) | Material sucking device for producing winding film |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |