CN113273336A - No-tillage precision seeding and film mulching all-in-one machine - Google Patents
No-tillage precision seeding and film mulching all-in-one machine Download PDFInfo
- Publication number
- CN113273336A CN113273336A CN202110410458.4A CN202110410458A CN113273336A CN 113273336 A CN113273336 A CN 113273336A CN 202110410458 A CN202110410458 A CN 202110410458A CN 113273336 A CN113273336 A CN 113273336A
- Authority
- CN
- China
- Prior art keywords
- soil
- mulching
- tillage
- precision seeding
- fertilizing
- 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.)
- Pending
Links
- 238000003971 tillage Methods 0.000 title claims abstract description 40
- 238000010899 nucleation Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000009331 sowing Methods 0.000 claims abstract description 14
- 238000003973 irrigation Methods 0.000 claims abstract description 13
- 230000002262 irrigation Effects 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims 2
- 238000009501 film coating Methods 0.000 claims 2
- 230000004720 fertilization Effects 0.000 abstract description 4
- 240000008042 Zea mays Species 0.000 description 5
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 5
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 5
- 235000005822 corn Nutrition 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000003643 Callosities Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
- A01B49/06—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising
- A01B49/065—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools for sowing or fertilising the soil-working tools being actively driven
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B49/00—Combined machines
- A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0256—Ground coverings
- A01G13/0287—Devices for laying-out or removing ground coverings
Abstract
The invention belongs to the field of agricultural planting machinery, and particularly relates to a no-tillage precision seeding and film mulching all-in-one machine. The device comprises a rack, and a traction device, a transmission device, a rotary tillage device, a fertilization device, a drip irrigation tape pre-embedding device, a film covering device, a soil covering device, a precision sowing device and a pressing device which are sequentially arranged on the rack from front to back; the rotary tillage device, the fertilizing device, the drip irrigation tape pre-embedding device, the film covering device, the soil covering device and the precision sowing device are integrated, manual work is replaced, and planting efficiency is improved.
Description
Technical Field
The invention belongs to the field of agricultural planting machinery, and particularly relates to a no-tillage precision seeding and film mulching all-in-one machine.
Background
Corn is a main planting crop in China, is a crop with a large seeding area of the existing crop, and due to the special condition that more people and less land exist in China, people try to improve the utilization rate of land, increase the yield and quality of unit area, and further increase the yield and income of farmers. However, the conventional corn planting in northern China is influenced by insufficient accumulated temperature, insufficient water, insufficient seedling retention rate and the like for a long time, and is a difficult problem in realizing high yield and harvest. For drought areas in spring, seedlings are difficult to grow well due to water shortage and low fertilizer utilization rate, production increase and income increase cannot be mentioned, along with the acceleration of industrial pace and the more outstanding contradiction of shortage of labor resources, the traditional production mode of planting corns with more labor, high energy consumption, low output and serious ecological environment damage meets obvious development resistance more and more, so that research and development of the corn planting mode which saves labor, fertilizer, water, medicine and temperature are an urgent direction of modern agriculture development, and the corn planting mode is also an urgent desire of farmers.
Disclosure of Invention
The invention provides a precision sowing and film covering integrated machine integrating rotary tillage, fertilization, drip irrigation pipe pre-embedding and film covering. The invention is realized by the following technical scheme:
a no-tillage precision seeding and film mulching all-in-one machine is characterized by comprising a rack, and a traction device, a transmission device, a rotary tillage device, a fertilizing device, a drip irrigation belt pre-embedding device, a film mulching device, a soil covering device, a precision seeding device and a pressing device which are sequentially arranged on the rack from front to back;
the traction mechanism is used for connecting a tractor;
the transmission device comprises a universal transmission shaft, a reversing mechanism and a gear, and is used for transmitting kinetic energy to the rotary tillage device, the fertilizing device, the soil covering device and the precision sowing device;
the rotary tillage device is arranged at the lower part of the front end of the rack and is used for loosening the soil to be sowed;
the fertilizing device is arranged behind the rotary tillage device,
the soil covering device is used for covering soil on the edge of the mulching film and the cultivation belt; the soil covering device comprises an arc-shaped square barrel, the front part of the arc-shaped square barrel is provided with a soil inlet, the rear part of the arc-shaped square barrel is provided with two soil outlets, and the two soil outlets are respectively arranged right behind and at the side of the square barrel;
the film covering device comprises a film covering roller, and the film covering roller is arranged below the arc-shaped square barrel;
the dropper belt embedding device is arranged behind the fertilizing device and above the soil covering device;
the fine sowing device is arranged behind the soil covering device,
the press device comprises a press wheel and a connecting piece used for connecting the press wheel.
Furthermore, a self-propelled wheel is arranged in front of the rack, and a height adjusting device is arranged between a wheel shaft of the self-propelled wheel and the rack.
Furthermore, fertilizer injection unit including the storehouse of fertilizing, with the honeycomb duct of fertilization storehouse connection, with the furrow opener of honeycomb duct connection, be provided with material stream detection device on the honeycomb duct.
Furthermore, the soil inlet of the arc-shaped square barrel is provided with a soil taking impeller.
Furthermore, the precision sowing device is movably connected with the frame.
Further, the precision seeding device comprises a roller seeder, a support and a press wheel, wherein the roller seeder is arranged in the middle of the support, the press wheel is arranged at the rear end of the support, and the front end of the support is hinged with the rear end of the rack.
Furthermore, a buffer rod is arranged between the middle part of the support and the rack, and a spring is arranged on the buffer rod.
Furthermore, the transmission device comprises a universal shaft, a first middle transmission shaft, a first reversing mechanism, a first power shaft, a second reversing mechanism, a second middle transmission shaft, a second reversing mechanism and a second power shaft which are connected in sequence.
Furthermore, the first power shaft is used for providing power for the rotary tillage device and the fertilizing device, and the second power shaft is used for providing power for the soil covering device.
The invention has the following beneficial effects: the rotary tillage device, the fertilizing device, the drip irrigation tape pre-embedding device, the film covering device, the soil covering device and the precision sowing device are integrated, manual work is replaced, and planting efficiency is improved.
Meanwhile, the mulching cultivation can achieve the effects of increasing temperature, preserving soil moisture, increasing yield and increasing income in low-temperature cold and cold areas with insufficient heat; drip irrigation and osmotic irrigation are very economical irrigation means, so that the method is more suitable for long-term sustainable development.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a transmission according to a first embodiment of the present invention;
FIG. 3 is a schematic top view of the first embodiment of the present invention;
fig. 4 is a schematic top view of a second embodiment of the present invention.
In the figure: 1. a frame; 2. a rotary tillage device; 3. a fertilizing device; 4. pre-burying a drip irrigation tape; 5. a film covering device; 6. a soil covering device; 7. a fine sowing device; 8. a compacting device; 9. a cardan shaft; 10. a first intermediate drive shaft; 11. a first reversing mechanism; 12. a first power shaft; 13. a second reversing mechanism; 14. a second intermediate drive shaft; 15. a second power shaft.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-2: a no-tillage precision seeding and film mulching integrated machine comprises a frame 1, and a traction device, a transmission device, a rotary tillage device 2, a fertilizing device 3, a drip irrigation tape pre-embedding device 4, a film mulching device 5, a soil covering device 6, a precision seeding device 7 and a pressing device 8 which are sequentially arranged on the frame 1 from front to back;
the traction mechanism is a traction rod connected with the frame 1 and is used for connecting a tractor when the integrated machine operates;
the transmission device comprises a universal transmission shaft, a reversing mechanism and a gear, and is used for transmitting kinetic energy to the rotary tillage device 2, the fertilizing device 3 and the soil covering device 6; the transmission device comprises a universal shaft 9, a first middle transmission shaft 10, a first reversing mechanism 11, a first power shaft 12, a second middle transmission shaft 14, a second reversing mechanism 13 and a second power shaft 15 which are connected in sequence.
The first power shaft 12 is used for providing power for the rotary tillage device 2 and the fertilizing device 3, the first power shaft 12 distributes the power to the rotary tillage device 2 and the fertilizing device 3 through gears or chain wheels, and the second power shaft 15 is used for providing power for the soil covering device 6
The rotary tillage device 2 is arranged at the lower part of the front end of the frame 1, and the rotary tillage device 2 is used for loosening the soil to be sowed;
the fertilizing device 3 is arranged behind the rotary tillage device 2, a guide pipe connected with the fertilizing bin and a furrow opener connected with the guide pipe are arranged on the guide pipe, and a material flow detection device is arranged on the guide pipe.
The soil covering device 6 is used for covering soil on the edge of the mulching film and the cultivation belt; the soil covering device 6 comprises an arc-shaped square barrel, the front part of the arc-shaped square barrel is provided with a soil inlet, the rear part of the arc-shaped square barrel is provided with two soil outlets, and the two soil outlets are respectively arranged right behind and at the side of the square barrel; the soil inlet of the arc-shaped square barrel is provided with a soil taking impeller.
The film covering device 5 comprises a film covering roller which is arranged below the arc-shaped square barrel; the soil inlet of the soil covering device 6 is arranged in front of the film covering roller, and the head outlet is arranged behind the film covering roller.
The dropper belt embedding device is arranged behind the fertilizing device 3 and above the soil covering device 6; when in use, the drip irrigation pipe passes through the mulching film roller and is pressed below the mulching film. The fine sowing device 7 is arranged behind the soil covering device 6,
the press device 8 includes a press wheel, and a connecting member for connecting the press wheel.
A self-propelled wheel is arranged in front of the frame 1, a hydraulically controlled height adjusting device is arranged between a wheel shaft of the self-propelled wheel and the frame 1, a hydraulic piston is connected with the wheel shaft, and a cylinder body is connected with the frame; the rotary tillage and sowing depth of the all-in-one machine can be conveniently adjusted, and the all-in-one machine can be conveniently adjusted in real time in complex terrains to be beneficial to the stable operation of the all-in-one machine.
The fine sowing device 7 is movably connected with the frame 1. The precision seeding device 7 comprises a roller seeder, a support and a press wheel, the roller seeder is arranged at the middle part of the support, the press wheel is arranged at the rear end of the support, and the front end of the support is hinged with the rear end of the rack 1.
A buffer rod is arranged between the middle part of the support and the rack 1, and a spring is arranged on the buffer rod.
Example two:
the second embodiment is substantially the same as the first embodiment, and compared with the first embodiment, the second embodiment is characterized in that:
the frame 1 of the all-in-one machine is lengthened, and three rows of rotary tillage, fertilization and drip irrigation pipe pre-embedding, film covering, precision sowing, compacting and other devices are arranged side by side to manufacture the six-ridge precision sowing and film covering all-in-one machine.
Claims (9)
1. A no-tillage precision seeding and film mulching all-in-one machine is characterized by comprising a rack (1), and a traction device, a transmission device, a rotary tillage device (2), a fertilizing device (3), a drip irrigation tape pre-embedding device (4), a film mulching device (5), an earthing device (6), a precision seeding device (7) and a pressing device (8) which are sequentially arranged on the rack (1) from front to back;
the traction mechanism is used for connecting a tractor;
the transmission device comprises a universal transmission shaft, a reversing mechanism and a gear, and is used for transmitting kinetic energy to the rotary tillage device (2), the fertilizing device (3) and the soil covering device (6);
the rotary tillage device (2) is arranged at the lower part of the front end of the rack (1), and the rotary tillage device (2) is used for loosening the soil to be sowed;
the fertilizing device (3) is arranged behind the rotary tillage device (2),
the soil covering device (6) is used for covering soil on the edge of the mulching film and the cultivation belt; the soil covering device (6) comprises an arc-shaped square barrel, the front part of the arc-shaped square barrel is provided with a soil inlet, the rear part of the arc-shaped square barrel is provided with two soil outlets, and the two soil outlets are respectively arranged right behind and at the side of the square barrel;
the film coating device (5) comprises a film coating roller which is arranged below the arc-shaped square barrel;
the dropper belt embedding device is arranged behind the fertilizing device (3) and above the soil covering device (6);
the fine sowing device (7) is arranged behind the soil covering device (6),
the press device (8) comprises a press wheel and a connecting piece for connecting the press wheel.
2. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 1, wherein a self-propelled wheel is arranged in front of the frame (1), and a height adjusting device is arranged between a wheel shaft of the self-propelled wheel and the frame (1).
3. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 1, wherein the fertilizing device (3) comprises a fertilizing bin, a flow guide pipe connected with the fertilizing bin, and a furrow opener connected with the flow guide pipe, and the flow guide pipe is provided with a material flow detection device.
4. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 1, wherein the soil inlet of the arc-shaped square barrel is provided with a soil taking impeller.
5. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 1, wherein the precision seeding device (7) is movably connected with the frame (1).
6. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 5, wherein the precision seeding device (7) comprises a roller seeder, a bracket and a press wheel, the roller seeder is arranged in the middle of the bracket, the press wheel is arranged at the rear end of the bracket, and the front end of the bracket is hinged with the rear end of the frame (1).
7. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 6, wherein a buffer rod is arranged between the middle part of the bracket and the frame (1), and a spring is arranged on the buffer rod.
8. The integrated machine for no-tillage precision seeding and mulching as claimed in claim 1, wherein the transmission device comprises a universal shaft (9), a first intermediate transmission shaft (10), a first reversing mechanism (11), a first power shaft (12), a second reversing mechanism (13), a second intermediate transmission shaft (14), a second reversing mechanism (13) and a second power shaft (15) which are connected in sequence.
9. A no-tillage precision-seeding and mulching all-in-one machine as claimed in claim 8, wherein the first power shaft (12) is used for supplying power to the rotary tillage device (2) and the fertilizing device (3), and the second power shaft (15) is used for supplying power to the soil covering device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410458.4A CN113273336A (en) | 2021-04-12 | 2021-04-12 | No-tillage precision seeding and film mulching all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410458.4A CN113273336A (en) | 2021-04-12 | 2021-04-12 | No-tillage precision seeding and film mulching all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113273336A true CN113273336A (en) | 2021-08-20 |
Family
ID=77276766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110410458.4A Pending CN113273336A (en) | 2021-04-12 | 2021-04-12 | No-tillage precision seeding and film mulching all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113273336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115486350A (en) * | 2022-09-19 | 2022-12-20 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Water-saving irrigation method based on embedded water absorption unit |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476161Y (en) * | 2001-04-13 | 2002-02-13 | 石河子一四七团修造厂 | Film covering device of seeder |
| CN103392416A (en) * | 2013-07-22 | 2013-11-20 | 新疆天业（集团）有限公司 | Auger type earth covering equipment |
| CN103651024A (en) * | 2013-12-10 | 2014-03-26 | 东北农业大学 | Blueberry and blackcurrant overwintering soil covering machine |
| CN203575033U (en) * | 2013-12-06 | 2014-05-07 | 黑龙江省伽禾农业科技开发有限公司 | Multifunctional planter for plastic film mulching dry cultivation of paddy rice |
| CN103988611A (en) * | 2014-05-04 | 2014-08-20 | 吴宝全 | Multifunctional sowing and fertilizing laminator |
| CN204442978U (en) * | 2015-03-10 | 2015-07-08 | 河北省农机化技术推广服务总站 | A kind of combine for sowing cotton seed |
| CN206744081U (en) * | 2017-06-02 | 2017-12-15 | 邢台双环种业有限公司 | A kind of triple-row type plastic film banking machine |
| CN109121505A (en) * | 2018-10-19 | 2019-01-04 | 邹建忠 | The full process of potato integrates seeder and its type of seeding |
| CN110809924A (en) * | 2019-11-15 | 2020-02-21 | 新疆西域香药生物科技股份有限公司 | German chamomile drip irrigation and mulching integrated seeder |
-
2021
- 2021-04-12 CN CN202110410458.4A patent/CN113273336A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476161Y (en) * | 2001-04-13 | 2002-02-13 | 石河子一四七团修造厂 | Film covering device of seeder |
| CN103392416A (en) * | 2013-07-22 | 2013-11-20 | 新疆天业（集团）有限公司 | Auger type earth covering equipment |
| CN203575033U (en) * | 2013-12-06 | 2014-05-07 | 黑龙江省伽禾农业科技开发有限公司 | Multifunctional planter for plastic film mulching dry cultivation of paddy rice |
| CN103651024A (en) * | 2013-12-10 | 2014-03-26 | 东北农业大学 | Blueberry and blackcurrant overwintering soil covering machine |
| CN103988611A (en) * | 2014-05-04 | 2014-08-20 | 吴宝全 | Multifunctional sowing and fertilizing laminator |
| CN204442978U (en) * | 2015-03-10 | 2015-07-08 | 河北省农机化技术推广服务总站 | A kind of combine for sowing cotton seed |
| CN206744081U (en) * | 2017-06-02 | 2017-12-15 | 邢台双环种业有限公司 | A kind of triple-row type plastic film banking machine |
| CN109121505A (en) * | 2018-10-19 | 2019-01-04 | 邹建忠 | The full process of potato integrates seeder and its type of seeding |
| CN110809924A (en) * | 2019-11-15 | 2020-02-21 | 新疆西域香药生物科技股份有限公司 | German chamomile drip irrigation and mulching integrated seeder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115486350A (en) * | 2022-09-19 | 2022-12-20 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Water-saving irrigation method based on embedded water absorption unit |
| CN115486350B (en) * | 2022-09-19 | 2024-02-20 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Water-saving irrigation method based on embedded water absorption unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201069899Y (en) | Protective cultivation rotary drill | |
| CN102405702B (en) | Vibration deep-scarification and fertilization precision drill | |
| CN200938739Y (en) | Doulde-line cultivator for breaking stalks and preparing soil | |
| CN201758547U (en) | Maize mulched drip irrigation planter | |
| CN103444317A (en) | Coarse cereal seeding machine for no-tillage seeding | |
| CN203537806U (en) | Potato ridge film ditch planting seeding combined unit | |
| CN204090453U (en) | A kind of herbage after culture machine used with four-wheel tractor | |
| CN104584722A (en) | Horseradish hill planter | |
| CN204669855U (en) | The accurate sower of a kind of pill pelleting seed | |
| CN206294509U (en) | A kind of agricultural soybean planting device | |
| CN203423944U (en) | No-tillage semi-precision seeder | |
| CN103477759A (en) | Uniform seeder | |
| CN113273336A (en) | No-tillage precision seeding and film mulching all-in-one machine | |
| CN205864987U (en) | Seeder is broadcast to high ridge of potato side | |
| CN112544152A (en) | Shallow-buried drip irrigation furrow seeder | |
| CN217064489U (en) | Rotary tillage ditching fertilizing and seeding machine for corn and soybean strip composite planting in rainy areas | |
| CN200962717Y (en) | Rotary cultivating close-planting seeding machine for wheat | |
| CN203194122U (en) | Multifunctional fully-covered seeder | |
| CN201846592U (en) | No-tillage sowing-fertilizing machine | |
| CN211580617U (en) | General no-tillage seeder of towed soybean maize | |
| CN205694184U (en) | A kind of miniature hand pulling type seeder | |
| CN210641344U (en) | No-tillage finger-clamping type fertilizing and seeding machine | |
| CN103053248A (en) | Rape-wheat direct sowing machine matched with hand tractor | |
| CN206380268U (en) | A kind of vertical stubble-cleaning Precision Seeding suppression one machinery of corn subsoiling disc harrow | |
| CN105210487A (en) | A kind of multifunctional seed drill |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210820 |