CN109483631B - Paper cutter convenient to remove dust - Google Patents
Paper cutter convenient to remove dust Download PDFInfo
- Publication number
- CN109483631B CN109483631B CN201811236987.1A CN201811236987A CN109483631B CN 109483631 B CN109483631 B CN 109483631B CN 201811236987 A CN201811236987 A CN 201811236987A CN 109483631 B CN109483631 B CN 109483631B
- Authority
- CN
- China
- Prior art keywords
- cutter
- workbench
- paper
- cleaning column
- fixedly connected
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/20—Cutting beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/20—Cutting beds
- B26D2007/208—Cutting beds having a cleaning device
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The invention relates to a paper cutter convenient for dust removal, which relates to the technical field of paper cutting and comprises a workbench, a cutter frame and a cutter disc, wherein the cutter disc is vertically connected with the cutter frame in a sliding manner; the inside of the cutter head is of a hollow structure, a material receiving box is arranged in the workbench, the top end of the cutter head is communicated with the material receiving box through a hose, and a fan is connected to the material receiving box; the fan is started in the paper cutting process, and the suction nozzle on the cutter head absorbs the scraps generated by cutting the paper under the action of the fan, so that the scraps enter the material receiving box, the scraps scattered in the air in the paper cutting process are reduced, and the paper is cut conveniently; the small particle scraps on the workbench can be conveniently removed while the paper is cut off, so that the processing is facilitated.
Description
Technical Field
The invention relates to the technical field of paper cutting, in particular to a paper cutter convenient for dust removal.
Background
Current paper cutters are designed to handle the paper cutting requirements at the end of printing.
The current patent can refer to the chinese utility model patent that the grant bulletin number is CN204184986U, this patent discloses an automatic paper device that unloads of paper cutter, including the paper cutter body, the paper cutting platform below of paper cutter body is provided with automatic paper device that unloads, automatic paper device that unloads includes lift platform and year paper platform, lift platform passes through guide pillar longitudinal sliding and sets up in paper cutting platform below, and connect through the lift executor transmission, the translation of paper cutting platform slides and sets up on lift platform, it pushes away the unloader and carries the paper platform driver to be provided with to unload paper to lie in paper cutting platform rear side, lie in and offer the window corresponding with the paper cutting platform on the paper cutting platform, it all is equipped with cut paper finishing device on the paper cutting platform of the left and right sides limit of window to lie in, the front side of window is provided with the baffle.
The above prior art solutions have the following drawbacks: after the paper is cut off, paper scraps and dust can float in the air, and workers can absorb the dust for a long time to have certain influence on the body, so that the production is inconvenient.
Disclosure of Invention
The invention aims to provide a paper cutter convenient for dust removal, which has the advantages that paper scraps generated by cut paper can be cleaned, so that the flying-out of the paper scraps and dust is reduced, and a workbench can be cleaned, so that the paper cutter is convenient to continuously use.
The above object of the present invention is achieved by the following technical solutions:
a paper cutter convenient for dust removal comprises a workbench, a cutter rest arranged at the top end of the workbench and a cutter head vertically connected with the cutter rest in a sliding manner, wherein a cutter is detachably connected to the bottom end of the cutter head, a paper cutting groove is formed in the top end of the workbench corresponding to the cutter, a dust suction port is formed in the cutter head, a suction nozzle is fixedly connected to the dust suction port of the cutter head, and the suction nozzle faces the cutter;
the novel multifunctional cutter is characterized in that the interior of the cutter head is of a hollow structure, a material receiving box is arranged in the workbench, the top end of the cutter head is communicated with the material receiving box through a hose, and a fan is connected to the material receiving box.
By adopting the technical scheme, the fan is started in the paper cutting process, and the suction nozzle on the cutter head absorbs the scraps generated by cutting the paper under the action of the fan, so that the scraps enter the material receiving box, the scraps scattered in the air in the paper cutting process are reduced, and the paper is cut conveniently; the small particle scraps on the workbench can be conveniently removed while the paper is cut off, so that the processing is facilitated.
The invention is further configured to: a blanking hole is formed in the top end of the workbench, close to the paper cutting groove, a telescopic cover is fixedly connected to the bottom end of the blanking hole, and a baffle is fixedly connected to the bottom end of the telescopic cover;
the baffle is communicated with the material receiving box through a hose.
Through adopting above-mentioned technical scheme, the charging conduit on the workstation can clear up the piece that falls on the workstation to be convenient for reduce the piece that drifts away in the air, thereby be convenient for produce.
The invention is further configured to: a cleaning column is arranged in the telescopic cover and is rotationally connected with the baffle plate, and the diameter of the cleaning column is smaller than that of the blanking hole;
a driving piece for driving the baffle to slide is arranged in the workbench, and after the baffle slides, the cleaning column extends out of the workbench;
the cleaning column is fixedly connected with a cleaning piece, and the cleaning piece is attached to the workbench after the cleaning column extends out of the workbench;
and a rotating part for driving the cleaning column to rotate is arranged on the baffle.
By adopting the technical scheme, after the paper cutting is finished, the driving piece drives the cleaning column to ascend, so that the cleaning piece on the cleaning column is abutted against the workbench; the rotation piece on the baffle drives the clearance post and rotates to drive the clearance piece on the clearance post and rotate, thereby be convenient for clear up the position of workstation cut paper department, thereby be convenient for next time to the excision of paper, through reducing the piece of adhesion on the paper.
The invention is further configured to: the cleaning piece comprises a plurality of hinged rods, one ends of the hinged rods are hinged with the cleaning column, and torsional springs are arranged at the hinged positions of the hinged rods and the cleaning column;
the articulated rod is fixedly connected with bristles, and after the cleaning column extends out of the workbench, the bristles on the articulated rod are attached to the workbench.
Through adopting above-mentioned technical scheme, after the blanking hole is extended to the clearance post, the hinge bar rotates under the effect of torsional spring to make hinge bar and workstation laminating, thereby be convenient for make brush hair and the workstation laminating on the hinge bar, thereby be convenient for clear up the workstation, the piece of clearance enters into the blanking downthehole under the air current effect in blanking hole, thereby enters into and connects in the workbin, thereby is convenient for reduce the piece that drifts away in the air.
The invention is further configured to: an elastic block is fixedly connected between the hinge rods, and a material suction port is formed in one side of the elastic block;
the inner part of the elastic block and the inner part of the cleaning column are of a hollow structure, and the elastic block is communicated with the cleaning column through a hose;
the cleaning column is communicated with the material receiving box through a hose.
Through adopting above-mentioned technical scheme, set up the elastic block between the hinge bar, the material mouth has been seted up to one side of elastic block and has been inhaled to be convenient for when clearing up the workstation, increase the adsorption area to the workstation, thereby be convenient for reduce the piece that drifts away in the air.
The invention is further configured to: the driving piece comprises a jacking cylinder fixedly connected in the workbench, and a piston rod of the jacking cylinder is fixedly connected with the bottom end of the baffle.
Through adopting above-mentioned technical scheme, the jacking cylinder drives the vertical direction of baffle and slides to drive the vertical motion of clear material post, thereby be convenient for clear up the workstation, thereby be convenient for reduce the piece that drifts away in the air.
The invention is further configured to: the top rigid coupling of articulated mast has the dog, set up the chamber of placing the dog on the blanking hole.
Through adopting above-mentioned technical scheme, the dog with place the chamber cooperation to be convenient for carry on spacingly to the hinge bar, thereby be convenient for the motion of hinge bar.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the fan is started in the paper cutting process, and the suction nozzle on the cutter head absorbs the scraps generated by cutting the paper under the action of the fan, so that the scraps enter the material receiving box, the scraps scattered in the air in the paper cutting process are reduced, and the paper is cut conveniently; the small particle scraps on the workbench can be conveniently removed while the paper is cut off, so that the processing is convenient;
2. the charging chute on the workbench can clean the scraps falling on the workbench, so that the scraps floating in the air can be reduced, and the production is facilitated;
3. after the paper cutting is finished, the driving piece drives the cleaning column to ascend, so that the cleaning piece on the cleaning column is abutted to the workbench; the rotation piece on the baffle drives the clearance post and rotates to drive the clearance piece on the clearance post and rotate, thereby be convenient for clear up the position of workstation cut paper department, thereby be convenient for next time to the excision of paper, through reducing the piece of adhesion on the paper.
Drawings
FIG. 1 is an overall schematic view embodying the present embodiment;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of a receiving tank;
FIG. 4 is an enlarged schematic view of portion B of FIG. 3;
FIG. 5 is a schematic diagram embodying a drive motor;
fig. 6 is a schematic view showing a hinge lever.
In the figure, 1, a workbench; 11. cutting a paper groove; 12. a blanking hole; 13. a paper cutting cylinder; 2. a tool holder; 3. a cutter head; 31. a dust suction port; 32. a suction nozzle; 4. a cutter; 5. a material receiving box; 6. a fan; 7. a telescopic cover; 71. a baffle plate; 72. a hinged lever; 721. a stopper; 73. an elastic block; 74. jacking a cylinder; 75. connecting blocks; 76. a drive motor; 8. and (6) cleaning the column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the paper cutter convenient for dust removal disclosed by the invention comprises a workbench 1 and a cutter holder 2 fixedly connected to the top end of the workbench 1; the cutter frame 2 is in an N shape, a paper cutting cavity is formed between the cutter frame 2 and the workbench 1, a cutter disc 3 is connected in the paper cutting cavity in a vertical sliding mode, and a cutter 4 is connected to the bottom end of the cutter disc 3 through a bolt; a paper cutting cylinder 13 (shown in fig. 3) is fixedly connected in the top end of the tool rest 2, and a piston rod of the paper cutting cylinder 13 is fixedly connected with the top end of the cutter head 3; a paper cutting groove 11 for inserting the cutter 4 is arranged on the workbench 1 corresponding to the cutter 4.
When the cut paper, place the paper in the cut paper intracavity, start cut paper cylinder 13 after, cut paper cylinder 13 drives the motion of blade disc 3 to drive cutter 4 and move, thereby make cutter 4 enter into cut paper groove 11 in, thereby cut the paper.
As shown in fig. 3 and 4, the cutter head 3 is hollow, a material receiving box 5 is arranged in the workbench 1, the top end of the cutter head 3 is connected with the material receiving box 5 through a hose, and the material receiving box 5 is connected with a fan 6; a plurality of dust suction ports 31 are formed in two sides of the cutter head 3, and the dust suction ports 31 of the cutter head 3 are communicated with the inside of the cutter head 3; a suction nozzle 32 is fixedly connected to a dust suction port 31 of the cutter head 3, and the suction nozzle 32 faces the blade of the cutter 4.
A plurality of blanking holes 12 are formed in two symmetrical sides of the working table 1 about the paper cutting groove 11, the bottom ends of the blanking holes 12 are fixedly connected with telescopic covers 7, the bottom ends of the telescopic covers 7 are fixedly connected with baffle plates 71, and the baffle plates 71 are connected with the telescopic covers 7; the baffle 71 is internally of a hollow structure, and the bottom end of the baffle 71 is communicated with the material receiving box 5 through a hose; the part of the baffle 71 positioned at the bottom end of the telescopic cover 7 is provided with a through hole communicated with the telescopic cover 7; the top end of the material receiving box 5 is fixedly connected with a jacking cylinder 74, and a piston rod of the jacking cylinder 74 is fixedly connected with the bottom end of the baffle plate 71.
As shown in fig. 5 and 6, a connecting block 75 is arranged in the telescopic cover 7, and a driving motor 76 is fixedly connected in the connecting block 75; a cleaning column 8 is rotatably connected in the telescopic cover 7, one end of the cleaning column 8 penetrates through the connecting block 75 and is fixedly connected with an output shaft of the driving motor 76, and the diameter of the cleaning column 8 is smaller than that of the blanking hole 12; a plurality of hinged rods 72 are hinged on the side wall of the cleaning column 8, and torsional springs are arranged at the hinged positions of the hinged rods 72 and the cleaning column 8; one end of the hinge rod 72 is fixedly connected with a stop 721, and the blanking hole 12 is provided with a placing cavity for placing the stop 721; when the telescopic cover 7 extends to the maximum position, the hinged rod 72 and the cleaning column 8 are both positioned at the bottom end of the workbench 1; when the telescopic cover 7 is compressed to the shortest, the hinged position of the hinged rod 72 and the cleaning column 8 is positioned at the top end of the workbench 1, and one side of the hinged rod 72 is attached to the workbench 1.
Bristles are fixedly connected to one side of the hinged rod 72, which is attached to the workbench 1; an elastic block 73 is fixedly connected between the hinge rods 72, bristles are fixedly connected to one side of the elastic block 73, which faces the workbench 1, and a material suction port is formed in one side of the elastic block 73, which is provided with the bristles; the elastic block 73 and the cleaning column 8 are both hollow structures, and the elastic block 73 is communicated with the cleaning column 8 through a hose; the part of the cleaning column 8 positioned in the telescopic cover 7 is provided with a through hole communicated with the telescopic cover 7.
The implementation principle of the embodiment is as follows: when the paper is cut, the cleaning column 8 and the hinge rod 72 are both positioned in the workbench 1, and the paper is placed in the paper cutting cavity; starting the fan 6, starting the paper cutting cylinder 13, driving the cutter head 3 to move by the paper cutting cylinder 13, and driving the cutter 4 to move, so that the cutter 4 enters the paper cutting groove 11, and the paper is cut; the suction nozzle 32 on the cutter head 3 sucks the debris floated in the cut paper into the air, so that the sucked debris enters the material receiving box 5; after paper cutting is finished, the jacking cylinder 74 drives the baffle 71 to vertically move, so that the cleaning column 8 extends out of the workbench 1, the hinged part of the hinged rod 72 and the cleaning column 8 extends out of the workbench 1, and one side of the hinged rod 72, which is provided with bristles, is attached to the workbench 1; the driving motor 76 is started, so that the cleaning column 8 is driven to rotate, the two sides of the paper cutting groove 11 of the workbench 1 are cleaned, cleaned debris is sucked by the elastic block 73, and enters the telescopic cover 7 after the cleaning column 8, so that the material receiving box 5 is entered.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a paper cutter convenient to remove dust, includes workstation (1), set up knife rest (2) on workstation (1) top and with knife rest (2) vertical blade disc (3) of being connected that slides, the bottom of blade disc (3) can be dismantled and be connected with cutter (4), paper cutting groove (11), its characterized in that have been seted up to the top of workstation (1) corresponding cutter (4): a dust suction opening (31) is formed in the cutter disc (3), a suction nozzle (32) is fixedly connected to the dust suction opening (31) of the cutter disc (3), and the suction nozzle (32) faces the cutter (4);
the inside of the cutter head (3) is of a hollow structure, a material receiving box (5) is arranged in the workbench (1), the top end of the cutter head (3) is communicated with the material receiving box (5) through a hose, and a fan (6) is connected to the material receiving box (5);
a blanking hole (12) is formed in the top end of the workbench (1) close to the paper cutting groove (11), a telescopic cover (7) is fixedly connected to the bottom end of the blanking hole (12), and a baffle (71) is fixedly connected to the bottom end of the telescopic cover (7);
the baffle (71) is communicated with the material receiving box (5) through a hose;
a cleaning column (8) is arranged in the telescopic cover (7), the cleaning column (8) is rotatably connected with the baffle (71), and the diameter of the cleaning column (8) is smaller than that of the blanking hole (12);
a driving piece for driving the baffle (71) to slide is arranged in the workbench (1), and after the baffle (71) slides, the cleaning column (8) extends out of the workbench (1);
a cleaning piece is fixedly connected to the cleaning column (8), and the cleaning piece is attached to the workbench (1) after the cleaning column (8) extends out of the workbench (1);
the baffle (71) is provided with a rotating part which drives the cleaning column (8) to rotate.
2. The paper cutter facilitating dust removal according to claim 1, characterized in that: the cleaning piece comprises a plurality of hinged rods (72), one end of each hinged rod (72) is hinged with the cleaning column (8), and a torsional spring is arranged at the hinged part of each hinged rod (72) and the cleaning column (8);
the articulated rod (72) is fixedly connected with bristles, the cleaning column (8) extends out of the workbench (1), and the bristles on the articulated rod (72) are attached to the workbench (1).
3. The dust removing paper cutter according to claim 2, wherein: an elastic block (73) is fixedly connected between the hinge rods (72), and a material suction port is formed in one side of the elastic block (73);
the interior of the elastic block (73) and the interior of the cleaning column (8) are both hollow structures, and the elastic block (73) is communicated with the cleaning column (8) through a hose;
the cleaning column (8) is communicated with the material receiving box (5) through a hose.
4. The paper cutter facilitating dust removal according to claim 1, characterized in that: the driving piece comprises a jacking cylinder (74) fixedly connected in the workbench (1), and a piston rod of the jacking cylinder (74) is fixedly connected with the bottom end of the baffle (71).
5. The dust removing paper cutter according to claim 2, wherein: the top end of the hinged rod (72) is fixedly connected with a stop block (721), and the blanking hole (12) is provided with a placing cavity for placing the stop block (721).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236987.1A CN109483631B (en) | 2018-10-23 | 2018-10-23 | Paper cutter convenient to remove dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236987.1A CN109483631B (en) | 2018-10-23 | 2018-10-23 | Paper cutter convenient to remove dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483631A CN109483631A (en) | 2019-03-19 |
| CN109483631B true CN109483631B (en) | 2020-10-20 |
Family
ID=65692489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811236987.1A Expired - Fee Related CN109483631B (en) | 2018-10-23 | 2018-10-23 | Paper cutter convenient to remove dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109483631B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069116B (en) * | 2019-12-02 | 2021-12-28 | 西安金鼎包装设计制作印务有限公司 | Gluing device for gluing machine |
| CN111604980A (en) * | 2020-03-24 | 2020-09-01 | 广西真龙实业有限责任公司 | Dust removal device of splitting machine |
| CN113752324B (en) * | 2021-08-20 | 2022-12-27 | 河南桐裕印务有限公司 | Dust removal device of paper cutter |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3101911A1 (en) * | 1981-01-22 | 1982-09-02 | Karl Mohr | "DEVICE FOR CUTTING PAPER, CARDBOARD OR THE LIKE .." |
| JP5167493B2 (en) * | 2008-05-12 | 2013-03-21 | 株式会社デュプロ | Cutting device |
| CN104263860B (en) * | 2014-10-17 | 2016-04-13 | 浙江安吉惠业家具有限公司 | The efficient cutting of sofa leather |
| CN206344204U (en) * | 2017-01-06 | 2017-07-21 | 英德市港隆包装制品有限公司 | It is a kind of to be easy to dust-proof automatic paper cutting machine |
| CN206561456U (en) * | 2017-01-22 | 2017-10-17 | 敦煌印刷（深圳）有限公司 | Paper cutter with Wastepaper Collection function |
| CN206937403U (en) * | 2017-04-16 | 2018-01-30 | 河北联合印务有限公司 | A kind of paper cutting machine |
| CN206953080U (en) * | 2017-05-18 | 2018-02-02 | 深圳市思达印刷有限公司 | Paper cutting machine |
| CN207189751U (en) * | 2017-09-22 | 2018-04-06 | 深圳朋凯印刷有限公司 | A kind of paper cutter |
| CN207189752U (en) * | 2017-09-22 | 2018-04-06 | 深圳朋凯印刷有限公司 | A kind of paper cutter |
| CN207534870U (en) * | 2017-11-08 | 2018-06-26 | 浙江晨天纺织有限公司 | A kind of multifunctional fibre production cutter device |
-
2018
- 2018-10-23 CN CN201811236987.1A patent/CN109483631B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109483631A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109483631B (en) | Paper cutter convenient to remove dust | |
| CN213728289U (en) | Building wall fluting device | |
| CN113523915A (en) | Polishing and grinding device for woodworking drill bit | |
| CN212421496U (en) | Conveniently collect cutting off machine of sweeps | |
| CN110948634A (en) | Door processing tenoning machine | |
| CN216968115U (en) | Engraving equipment for wooden door production | |
| CN216126180U (en) | Sculpture spare belt cleaning device after sculpture | |
| CN214876177U (en) | Vacuum feeding device | |
| CN214136423U (en) | Scrap collecting device of numerical control band sawing machine | |
| CN211682645U (en) | Door processing tenoning machine | |
| CN210616980U (en) | Cutting machine for machining optical glass weight block | |
| CN211682891U (en) | Scraper mechanism for cleaning cuttings on left side wall and right side wall of concrete block | |
| CN111761657A (en) | Handheld timber perforating device | |
| CN219308797U (en) | Automatic dust-free cleaning device for experiment table | |
| CN215038316U (en) | Wood plate carving tool bit structure | |
| CN221248050U (en) | Dust absorption formula grinding device of wall | |
| CN216000807U (en) | Cutting device for storage rack production | |
| CN218109400U (en) | Multi-shaft integrated automatic punching machine tool | |
| CN220805899U (en) | Belt feeder tail cover dustpan abnormal plate cutting device | |
| CN219768549U (en) | Woodworking electric saw | |
| CN211597612U (en) | Seam cleaning machine with built-in dust removal mechanism | |
| CN219726616U (en) | Hanging saw machine convenient for dust removal | |
| CN212948287U (en) | Impurity removing device for machining of cutter equipment | |
| CN218312275U (en) | Vertical milling machine | |
| CN109366622B (en) | Multifunctional operation table for building material production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| 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: 20201020 Termination date: 20211023 |