CN213382019U - Plywood compression fittings - Google Patents
Plywood compression fittings Download PDFInfo
- Publication number
- CN213382019U CN213382019U CN202021121067.8U CN202021121067U CN213382019U CN 213382019 U CN213382019 U CN 213382019U CN 202021121067 U CN202021121067 U CN 202021121067U CN 213382019 U CN213382019 U CN 213382019U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- placing table
- pressing
- plate
- plywood
- 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
- 239000011120 plywood Substances 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 title claims abstract description 7
- 238000007906 compression Methods 0.000 title claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 30
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000005728 strengthening Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000002023 wood Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
Images
Landscapes
- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The utility model relates to a plywood pressfitting technical field, especially a plywood compression fittings, including the pressfitting platform, the top surface fixedly connected with support frame of pressfitting platform, the middle part fixedly connected with hydraulic press of support frame top surface, the output fixedly connected with pressfitting board of hydraulic press, the platform is placed to one side fixedly connected with preformplate of pressfitting platform. The utility model has the advantages that: the prepressing plate placing table and the finished product placing table are arranged, the middle of one side face of the prepressing plate placing table is rotatably connected with a threaded cylinder, one side of the outer wall of the threaded cylinder is fixedly connected with a driven gear, the inner wall of the threaded cylinder is in threaded connection with a threaded push rod, one end of the threaded push rod is fixedly connected with a material pushing plate, a plate can be placed on the prepressing plate placing table, the threaded cylinder is driven to rotate through a speed reduction motor, the threaded push rod pushes the material pushing plate, the plate is pushed onto a pressing table, after the plate is pressed, the plate is continuously pushed onto the finished product placing table, and the operation safety is improved.
Description
Technical Field
The utility model relates to a plywood pressfitting technical field, especially a plywood compression fittings.
Background
The plywood is usually made up by using one of the common materials of furniture, i.e. one of three large plates of artificial board, also can be used as working material for airplane, ship, train, automobile, building and packaging box, etc. one group of veneers is usually made up by using mutually perpendicular assembly of adjacent layers of wood grain direction, and its surface plate and internal plate are usually symmetrically placed on two sides of central layer or board core, and the glued veneers are made into plate blank by means of criss-cross arrangement according to the wood grain direction, and can be pressed under the condition of heating or not heating, and its layer number is generally odd, and a small number also has even number. The difference of physical and mechanical properties in the longitudinal and transverse directions is small, and common plywood types include three-ply plywood, five-ply plywood and the like. The plywood can improve the utilization rate of wood, is a main way for saving wood, and a hydraulic device is needed to press the multilayer boards adhered with the adhesive into a whole by adopting a hydraulic control pre-pressing device in the processing process of the multilayer plywood. However, the existing plywood pressing device has the following defects:
(1) the existing plywood pressing device needs to manually lay the board on the table top of the pressing device, during operation, personnel can be positioned at the bottom of the pressing block, and once the existing plywood pressing device is started accidentally, danger of pressing people can occur;
(2) present plywood compression fittings, simple structure, the pressfitting mesa only has the function of placing panel, and can't guarantee that panel is just, and simultaneously unable fixed plate is just, leads to panel pressfitting in-process off tracking, influences the pressfitting quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a plywood compression fittings, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: a plywood pressing device comprises a pressing table, wherein a supporting frame is fixedly connected to the top surface of the pressing table, a hydraulic press is fixedly connected to the middle of the top surface of the supporting frame, a pressing board is fixedly connected to the output end of the hydraulic press, a pressing board placing table is fixedly connected to one side of the pressing table, a threaded cylinder is rotatably connected to the middle of one side surface of the pressing board placing table, a driven gear is fixedly connected to one side of the outer wall of the threaded cylinder, a threaded push rod is connected to the inner wall of the threaded cylinder in a threaded manner, a material pushing plate is fixedly connected to one end of the threaded push rod, a speed reducing motor is fixedly connected to the bottom of the pressing board placing table, which is close to one side surface of the threaded cylinder, a driving gear is fixedly connected to the output end of the speed reducing motor, a finished product placing table is fixedly connected to one, the inner wall of first spout rotates and is connected with two-way transmission lead screw, the one end fixedly connected with crank of two-way transmission lead screw, the equal sliding connection in both sides of first spout inner wall has the limiting plate, pressfitting bench face is close to one side that the platform was placed to the finished product and has been seted up the second spout, the inner wall fixedly connected with guide bar of second spout, guide bar and limiting plate sliding connection.
Optionally, forward screw thread and reverse screw thread have been seted up respectively to the both sides on two-way transmission lead screw surface, the distribution length of forward screw thread and reverse screw thread equals, forward screw thread and reverse screw thread are with the central point symmetric distribution on two-way transmission lead screw surface, the limiting plate is total two, two the limiting plate is through forward screw thread and reverse screw thread and two-way transmission lead screw threaded connection respectively.
Optionally, guide holes are formed in four corners of the top surface of the support frame, guide bars are fixedly connected to four corners of the top surface of the pressing plate, the positions of the guide bars correspond to those of the guide holes, the guide bars are slidably connected with the guide holes, and the length of each guide bar is greater than the distance between the top surface of the support frame and the top surface of the pressing table.
Optionally, the bottom surface of the material pushing plate is completely contacted with the top surface of the pre-pressing plate placing table, and the length of the material pushing plate is smaller than the maximum distance between the two limiting plates.
Optionally, a reinforcing rib is arranged between the pressing plate and the output end of the hydraulic press, and the width of the pressing plate is smaller than the distance between the first sliding groove and the second sliding groove. The position of the driving gear corresponds to that of the driven gear, the thickness of the driving gear is equal to that of the driven gear, and the driving gear and the driven gear are meshed with each other.
Optionally, the top surfaces of the pressing table, the pre-pressing plate placing table and the finished product placing table are coplanar, the widths of the top surfaces of the pressing table, the pre-pressing plate placing table and the finished product placing table are equal, and the length of the threaded push rod is greater than the sum of the widths of the top surfaces of the pressing table, the pre-pressing plate placing table and the finished product placing table.
The utility model has the advantages of it is following:
1. the plywood pressing device is provided with a prepressing plate placing table and a finished product placing table, wherein the middle part of one side surface of the prepressing plate placing table is rotatably connected with a threaded cylinder, one side of the outer wall of the threaded cylinder is fixedly connected with a driven gear, the inner wall of the threaded cylinder is in threaded connection with a threaded push rod, one end of the threaded push rod is fixedly connected with a material pushing plate, the bottom of the prepressing plate placing table, which is close to one side surface of the threaded cylinder, is fixedly connected with a speed reducing motor, the output end of the speed reducing motor is fixedly connected with a driving gear, the driving gear and the driven gear are mutually meshed, the prepressing plate placing table and the top surface of the finished product placing table are coplanar, the widths of the prepressing plate placing table, the prepressing plate placing table and the top surface of the finished product placing table are equal, a board can be placed, after pressing, continue to push away panel finished product and place the bench to operating personnel need not to put into the pressfitting bench, improves the security of operation.
2. The plywood pressing device is provided with a first chute and a second chute, the inner wall of the first chute is rotatably connected with a bidirectional transmission screw rod, one end of the bidirectional transmission screw rod is fixedly connected with a crank, both sides of the inner wall of the first chute are slidably connected with limiting plates, the inner wall of the second chute is fixedly connected with a guide bar, the guide bar is slidably connected with the limiting plates, both sides of the surface of the bidirectional transmission screw rod are respectively provided with a forward thread and a reverse thread, the distribution lengths of the forward thread and the reverse thread are equal, the forward thread and the reverse thread are symmetrically distributed at the center of the surface of the bidirectional transmission screw rod, the two limiting plates are totally two, the two limiting plates are respectively in threaded connection with the bidirectional transmission screw rod through the forward thread and the reverse thread, a user can drive the two limiting plates to tighten both sides of a board by rotating the bidirectional transmission screw rod to make the board square, the sheet material is off tracking, and the practicability is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic cross-sectional view of a portion a in fig. 2 according to the present invention.
In the figure: 1-a pressing table, 2-a support frame, 3-a hydraulic machine, 4-a pressing plate, 5-a guide hole, 6-a guide bar, 7-a first sliding chute, 8-a bidirectional transmission screw rod, 9-a crank, 10-a limiting plate, 11-a pressing plate placing table, 12-a threaded cylinder, 13-a driven gear, 14-a threaded push rod, 15-a material pushing plate, 16-a speed reducing motor, 17-a driving gear, 18-a finished product placing table, 19-a second sliding chute and 20-a guide bar.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 3, a plywood press-fitting device comprises a press-fitting table 1, a supporting frame 2 is fixedly connected to the top surface of the press-fitting table 1, a hydraulic press 3 is fixedly connected to the middle of the top surface of the supporting frame 2, a press plate 4 is fixedly connected to the output end of the hydraulic press 3, a pre-pressing plate placing table 11 is fixedly connected to one side of the press-fitting table 1, a threaded cylinder 12 is rotatably connected to the middle of one side of the pre-pressing plate placing table 11, a driven gear 13 is fixedly connected to one side of the outer wall of the threaded cylinder 12, a threaded push rod 14 is connected to the inner wall of the threaded cylinder 12 in a threaded manner, a material pushing plate 15 is fixedly connected to one end of the threaded push rod 14, a speed reducing motor 16 is fixedly connected to the bottom of the pre-pressing plate placing table 11, a driving gear 17, the utility model provides a 1 top surface of pressfitting platform is close to one side that the platform 11 was placed to the pre-pressing board and has been seted up first spout 7, the inner wall of first spout 7 rotates and is connected with two-way transmission lead screw 8, two-way transmission lead screw 8's one end fixedly connected with crank 9, the equal sliding connection in both sides of 7 inner walls of first spout has limiting plate 10, the thickness of limiting plate 10 is less than the plywood thickness, guarantee that pressfitting board 4 pushes down and can not blockked by limiting plate 10, the second spout 19 has been seted up to one side that the platform 18 was placed to 1 top surface of pressfitting platform near the finished product, the inner wall fixedly connected with guide bar 20 of.
As an optional technical solution of the utility model:
forward thread and reverse screw thread have been seted up respectively to the both sides on two-way transmission lead screw 8 surface, and forward thread equals with the distribution length of reverse screw thread, and forward thread and reverse screw thread are with the central point symmetric distribution on two-way transmission lead screw 8 surfaces, and limiting plate 10 is total two, two limiting plate 10 is respectively through forward thread and reverse screw thread and 8 threaded connection of two-way transmission lead screw, through rotating two-way transmission lead screw 8, can make two limiting plate 10 is close to each other or keeps away from, alright with step up panel like this.
As an optional technical solution of the utility model:
guiding hole 5 has all been seted up in the four corners of 2 top surfaces of support frame, the equal fixedly connected with guide bar 6 in four corners of 4 top surfaces of pressfitting board, the position of guide bar 6 is corresponding with the position of guiding hole 5, guide bar 6 and 5 sliding connection of guiding hole, the length of guide bar 6 is greater than the interval between 2 top surfaces of support frame to 1 top surface of pressfitting platform, through the guide of guide bar 6, can make pressfitting board 4 keep the level to push down, improves the homogeneity of pressure distribution.
As an optional technical solution of the utility model:
the bottom surface of the material pushing plate 15 is completely contacted with the top surface of the pre-pressing plate placing table 11, the length of the material pushing plate 15 is smaller than the maximum distance between the two limiting plates 10, and therefore the two limiting plates 10 are placed to block the material pushing plate 15, and interference occurs.
As an optional technical solution of the utility model:
a reinforcing rib is arranged between the laminated plate 4 and the output end of the hydraulic press 3, and the width of the laminated plate 4 is smaller than the distance between the first sliding groove 7 and the second sliding groove 19. The position of the driving gear 17 corresponds to the position of the driven gear 13, the thickness of the driving gear 17 is equal to the thickness of the driven gear 13, and the driving gear 17 and the driven gear 13 are meshed with each other, so that the speed reduction motor 16 can drive the threaded barrel 12 to rotate through transmission, and the threaded push rod 14 pushes the material pushing plate 15.
As an optional technical solution of the utility model:
the top surfaces of the pressing table 1, the pre-pressing board placing table 11 and the finished product placing table 18 are coplanar, the widths of the top surfaces of the pressing table 1, the pre-pressing board placing table 11 and the finished product placing table 18 are equal, and the length of the threaded push rod 14 is greater than the sum of the widths of the top surfaces of the pressing table 1, the pre-pressing board placing table 11 and the finished product placing table 18, so that the threaded push rod 14 can push the plate to the pressing table 1 and the finished product placing table 18 at one time.
The working process of the utility model is as follows: when a user uses the device, the device is provided with the prepressing plate placing table 11 and the finished product placing table 18, the middle part of one side surface of the prepressing plate placing table 11 is rotatably connected with the threaded cylinder 12, one side of the outer wall of the threaded cylinder 12 is fixedly connected with the driven gear 13, the inner wall of the threaded cylinder 12 is in threaded connection with the threaded push rod 14, one end of the threaded push rod 14 is fixedly connected with the material pushing plate 15, the bottom of the prepressing plate placing table 11, which is close to one side surface of the threaded cylinder 12, is fixedly connected with the reducing motor 16, the output end of the reducing motor 16 is fixedly connected with the driving gear 17, the driving gear 17 is meshed with the driven gear 13, the top surfaces of the pressing table 1, the prepressing plate placing table 11 and the finished product placing table 18 are coplanar, the widths of the top surfaces of the pressing table 1, the prepressing plate placing table 11 and, the thread push rod 14 pushes the material pushing plate 15 to push the plate to the pressing platform 1, after pressing, the plate is continuously pushed to the finished product placing platform 18, so that an operator does not need to put on the pressing platform 1, the operation safety is improved, a first chute 7 and a second chute 19 are arranged, the inner wall of the first chute 7 is rotatably connected with a bidirectional transmission lead screw 8, one end of the bidirectional transmission lead screw 8 is fixedly connected with a crank 9, both sides of the inner wall of the first chute 7 are slidably connected with a limiting plate 10, the inner wall of the second chute 19 is fixedly connected with a guide bar 20, the guide bar 20 is slidably connected with the limiting plate 10, both sides of the surface of the bidirectional transmission lead screw 8 are respectively provided with a forward thread and a reverse thread, the distribution lengths of the forward thread and the reverse thread are equal, the forward thread and the reverse thread are symmetrically distributed at the center of the surface of the bidirectional transmission lead screw 8, and the number of the limiting plates 10, two limiting plates 10 are respectively connected with 8 threaded connections of the bidirectional transmission lead screw through forward threads and reverse threads, so that a user can drive the two limiting plates 10 to tighten the two sides of the plate by rotating the bidirectional transmission lead screw 8, the plate is square, and when the plate is placed and pressed, the plate deviates and the practicability is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a plywood compression fittings which characterized in that: the pressing machine comprises a pressing table (1), a supporting frame (2) is fixedly connected to the top surface of the pressing table (1), a hydraulic machine (3) is fixedly connected to the middle of the top surface of the supporting frame (2), a pressing plate (4) is fixedly connected to the output end of the hydraulic machine (3), a pre-pressing plate placing table (11) is fixedly connected to one side of the pressing plate placing table (1), a threaded cylinder (12) is rotatably connected to the middle of one side surface of the pre-pressing plate placing table (11), a driven gear (13) is fixedly connected to one side of the outer wall of the threaded cylinder (12), a threaded push rod (14) is in threaded connection with the inner wall of the threaded cylinder (12), a material pushing plate (15) is fixedly connected to one end of the threaded push rod (14), a speed reducing motor (16) is fixedly connected to the bottom, close to one side surface of the threaded cylinder (12), of, the pressing table is characterized in that a finished product placing table (18) is fixedly connected to one side, away from the prepressing plate placing table (11), of the pressing table (1), a first sliding groove (7) is formed in one side, close to the prepressing plate placing table (11), of the top surface of the pressing table (1), a bidirectional transmission lead screw (8) is connected to the inner wall of the first sliding groove (7) in a rotating mode, a crank (9) is fixedly connected to one end of the bidirectional transmission lead screw (8), limiting plates (10) are connected to two sides of the inner wall of the first sliding groove (7) in an all sliding mode, a second sliding groove (19) is formed in one side, close to the finished product placing table (18), of the top surface of the pressing table (1), a guide bar (20) is fixedly connected to the inner wall of the second sliding groove.
2. A plywood stitching apparatus according to claim 1, wherein: forward screw thread and reverse screw thread have been seted up respectively to the both sides on two-way transmission lead screw (8) surface, forward screw thread equals with reverse screw thread's distribution length, forward screw thread and reverse screw thread are with the central point symmetric distribution on two-way transmission lead screw (8) surface, limiting plate (10) are total two, two limiting plate (10) are respectively through forward screw thread and reverse screw thread and two-way transmission lead screw (8) threaded connection.
3. A plywood stitching apparatus according to claim 1, wherein: guiding holes (5) have all been seted up in the four corners of support frame (2) top surface, the equal fixedly connected with guide bar (6) in the four corners of pressfitting board (4) top surface, the position of guide bar (6) is corresponding with the position of guiding holes (5), guide bar (6) and guiding holes (5) sliding connection, the length of guide bar (6) is greater than the interval between support frame (2) top surface to pressfitting platform (1) top surface.
4. A plywood stitching apparatus according to claim 1, wherein: the bottom surface of the material pushing plate (15) is completely contacted with the top surface of the pre-pressing plate placing table (11), and the length of the material pushing plate (15) is smaller than the maximum distance between the two limiting plates (10).
5. A plywood stitching apparatus according to claim 1, wherein: be provided with the strengthening rib between plywood (4) and hydraulic press (3) output, the width of plywood (4) is less than the interval between first spout (7) and second spout (19).
6. A plywood stitching apparatus according to claim 1, wherein: the position of the driving gear (17) corresponds to the position of the driven gear (13), the thickness of the driving gear (17) is equal to that of the driven gear (13), and the driving gear (17) and the driven gear (13) are meshed with each other.
7. A plywood stitching apparatus according to claim 1, wherein: the top surfaces of the pressing table (1) and the pre-pressing plate placing table (11) and the finished product placing table (18) are coplanar, the widths of the top surfaces of the pressing table (1) and the pre-pressing plate placing table (11) and the finished product placing table (18) are equal, and the length of the threaded push rod (14) is greater than the sum of the widths of the top surfaces of the pressing table (1), the pre-pressing plate placing table (11) and the finished product placing table (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121067.8U CN213382019U (en) | 2020-06-17 | 2020-06-17 | Plywood compression fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021121067.8U CN213382019U (en) | 2020-06-17 | 2020-06-17 | Plywood compression fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213382019U true CN213382019U (en) | 2021-06-08 |
Family
ID=76198169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021121067.8U Expired - Fee Related CN213382019U (en) | 2020-06-17 | 2020-06-17 | Plywood compression fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213382019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500577A (en) * | 2021-09-10 | 2021-10-15 | 爱依智能家居(江苏)有限公司 | Plywood storage transfer car capable of unloading materials |
| CN114654546A (en) * | 2022-04-25 | 2022-06-24 | 沭阳中奥木业有限公司 | Be applied to building templates's indirect heating equipment |
| CN115256567A (en) * | 2022-08-03 | 2022-11-01 | 德华兔宝宝装饰新材股份有限公司 | Novel structure ecological plate and manufacturing process thereof |
-
2020
- 2020-06-17 CN CN202021121067.8U patent/CN213382019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500577A (en) * | 2021-09-10 | 2021-10-15 | 爱依智能家居(江苏)有限公司 | Plywood storage transfer car capable of unloading materials |
| CN113500577B (en) * | 2021-09-10 | 2024-01-19 | 爱依智能家居(江苏)有限公司 | Transfer car is deposited to plywood that can unload |
| CN114654546A (en) * | 2022-04-25 | 2022-06-24 | 沭阳中奥木业有限公司 | Be applied to building templates's indirect heating equipment |
| CN115256567A (en) * | 2022-08-03 | 2022-11-01 | 德华兔宝宝装饰新材股份有限公司 | Novel structure ecological plate and manufacturing process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213382019U (en) | Plywood compression fittings | |
| CN105856346A (en) | Panel compositing and pressing device | |
| CN111846370A (en) | Integrated panel laminating equipment and using method thereof | |
| CN204123492U (en) | The cold press that a kind of sheet material position is adjustable | |
| CN205835581U (en) | A kind of sheet material composite pressing device | |
| CN213732267U (en) | Panel spreading machine for panel processing | |
| CN118144189B (en) | Cold and hot press forming machine for multi-layer carbon fiber shell | |
| CN108437106B (en) | Mechanical type pressing equipment for plywood manufacturing | |
| CN204354238U (en) | Dual stage face high-frequency plate-splicing machine | |
| CN215471730U (en) | Full-automatic numerical control cutting device of plywood | |
| CN107791346A (en) | Pressure gate machine | |
| CN112496086A (en) | Intelligent plate flattening equipment | |
| CN211250430U (en) | Plywood compression fittings | |
| CN213440167U (en) | Board splicing machine with trimming function for processing boards | |
| CN218255676U (en) | Veneering device of veneering production line of environment-friendly plywood | |
| CN213617235U (en) | Fine wood core double-veneer composite board pressing device | |
| CN213829407U (en) | Panel compression fittings is used in timber production | |
| CN213197988U (en) | Even plywood manufacturing installation of spraying | |
| CN207465418U (en) | A kind of Multifunctional cold press | |
| CN102139503A (en) | Fiber shaving board and special laying equipment thereof | |
| CN214293569U (en) | Multi-layer vertical press | |
| CN211683530U (en) | Three-layer laminating machine for producing PVC (polyvinyl chloride) plate | |
| CN214563358U (en) | Cardboard adhesive device is used in carton production | |
| CN209755498U (en) | Automatic plate arranging device for plywood | |
| CN210148840U (en) | K-edge type high-strength corrugated roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |