CN110973295A - Fuzhuan tea compression molding is with evaporating tea equipment - Google Patents
Fuzhuan tea compression molding is with evaporating tea equipment Download PDFInfo
- Publication number
- CN110973295A CN110973295A CN201911390495.2A CN201911390495A CN110973295A CN 110973295 A CN110973295 A CN 110973295A CN 201911390495 A CN201911390495 A CN 201911390495A CN 110973295 A CN110973295 A CN 110973295A
- Authority
- CN
- China
- Prior art keywords
- tea
- tea steaming
- station
- fuzhuan
- steaming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention discloses tea steaming equipment for compression molding of Fuzhuan tea, belonging to the technical field of Fuzhuan tea processing.A material receiving station, a tea steaming station and a blanking station are arranged on a bottom plate; a tea steaming box which moves among the material receiving station, the tea steaming station and the blanking station is arranged on the bottom plate; the upper surface and the lower surface of the tea steaming box are in an open state; a steam cavity is arranged below the tea steaming station; a blanking hopper is arranged below the blanking station; the side wall of the steam cavity is connected with a steam pipe, and the bottom of the steam cavity is connected with a drain pipe; the tea steaming box is connected with a linear reciprocating driving mechanism. The automatic tea steaming machine can quickly realize the feeding, tea steaming and discharging of Fuzhuan tea to form automatic tea steaming, has high efficiency, and is more convenient to be connected with other processing equipment to form an automatic production line.
Description
Technical Field
The invention belongs to the technical field of small-particle Fuzhuan tea production, and particularly relates to tea steaming equipment for pressing and forming Fuzhuan tea.
Background
The Fuzhuan tea is a tea drink formed by pressing and shaping tea leaves into a fixed shape. The Fuzhuan tea is pressed by the procedures of raw material treatment, steam retting and piling, pressing and shaping, flower formation and drying, finished product packaging and the like. Because of the special 'floating' process of the Fuzhuan brick, besides a plurality of conditions, an important condition is that the brick body is required to be proper in tightness so as to be convenient for the reproduction of microorganisms. After the Fuzhuan tea is pressed, molded and demoulded, the Fuzhuan tea is sent into a drying room for drying, and the drying speed does not need to be quick-drying so as to slowly 'bloom'.
Each set of procedure in traditional Fuzhuan tea pressing production is generally completed by a single independent device, and the devices are inconvenient to link up with each other, so that the pressing production line of the Fuzhuan tea is overlong, the occupied area is large, and the production efficiency is low.
The existing tea steaming equipment mainly adopts a traditional fixed tea steaming mode, namely, tea leaves are put into a steamer to be stood for high-temperature steam heating, and after the standing is finished, the wet and soft tea leaves are taken out of the steamer by means of a tool. The traditional tea steaming equipment is inconvenient to form an automatic production line with other equipment in a matching way, the tea steaming speed is too low, and the loading and unloading are inconvenient.
Disclosure of Invention
The invention provides tea steaming equipment for pressing and forming Fuzhuan tea, aiming at the problems in the background art, which can quickly realize the feeding, tea steaming and discharging of the Fuzhuan tea, form automatic processing, has high efficiency and is more convenient to be connected with other processing equipment to form an automatic production line.
In order to achieve the purpose, the invention adopts the technical scheme that:
a tea steaming device for Fuzhuan tea compression molding is characterized in that a material receiving station, a tea steaming station and a blanking station are arranged on a bottom plate; a tea steaming box which moves among the material receiving station, the tea steaming station and the blanking station is arranged on the bottom plate; the upper surface and the lower surface of the tea steaming box are in an open state; a steam cavity is arranged below the tea steaming station; a blanking hopper is arranged below the blanking station; the side wall of the steam cavity is connected with a steam pipe, and the bottom of the steam cavity is connected with a drain pipe; the tea steaming box is connected with a linear reciprocating driving mechanism.
The technical scheme is further improved as follows:
the panel of the tea steaming station is a mesh plate.
The linear reciprocating driving mechanism is a cylinder.
The cylinder is formed by connecting a cylinder and two air throttles in series.
The tea steaming box comprises a box body with an opening at the upper and lower sides; a rotating drum with a mesh-shaped wall surface is arranged in the box body; a feeding hole is formed in the cylindrical wall surface of the rotary drum; two ends of the rotary drum are rotatably arranged in the box body through a rotary shaft, and at least one end of the rotary shaft is provided with a magnetic chuck after penetrating through the outer wall of the box body and extending out; an arc-shaped cylinder cover for sealing the feeding hole is sleeved on the cylindrical wall surface of the rotary cylinder; sleeve shafts are arranged on two end faces of the arc-shaped cylinder cover; the sleeve shaft is sleeved on the rotating shaft and penetrates through the outer wall of the box body to extend out, and at least one end of the sleeve shaft is provided with a gear; a first limiting block and a second limiting block which are used for limiting the rotation angle of the arc-shaped cylinder cover are arranged on the outer wall of the rotary cylinder; a forward rotation rack matched with the gear is horizontally arranged on the side edge between the material receiving station and the tea steaming station; a reverse rack matched with the gear is horizontally arranged on the side of the blanking station; connect material station and blanking station side all to be provided with the rotatory location magnetic sheet that is used for restricting the magnetic chuck.
The forward rotation rack and the reverse rotation rack are respectively positioned at the upper side and the lower side of the gear.
An iron block is arranged on the magnetic suction disc; and the positioning magnetic plate is provided with a magnet.
A bearing is arranged between the sleeve shaft and the rotating shaft; and a bearing is arranged between the sleeve shaft and the box body.
The positioning magnetic plate is arranged on the side edge of the bottom plate through a bracket.
The upper port of the box body is larger than the feed inlet of the rotary drum.
Compared with the prior art, the invention has the advantages that:
1. the tea steaming machine can realize automatic operation of material receiving, tea steaming and blanking, is driven by the linear reciprocating mechanism, has quick operation action and high tea steaming efficiency, forms a mode of feeding at the upper end and discharging at the lower end, and is easier to be connected with other processing equipment to form an automatic production line.
2. In order to improve the tea steaming efficiency and reduce the production time, the automatic rotating roller is adopted in the tea steaming box to place tea, so that the tea is turned over and softened by steam at the same time, the tea steaming speed can be greatly improved, the steam processing and softening uniformity of the tea can be improved, the softening speed is improved, and the subsequent shaping quality of the Fuzhuan tea is ensured.
3. According to the tea steaming device, the automatic rotation, opening, closing, feeding and discharging of the tea steaming roller are realized by the air cylinder for pushing the tea steaming box to move, no additional power source is needed to be added, meanwhile, the suction force of the magnet is innovatively utilized for spacing positioning and fixing, the roller is accurate in positioning, no additional positioning brake part is needed to be added to limit the roller, and the roller can freely rotate after moving out of a set stroke.
Drawings
FIG. 1 is a three-dimensional view of a tea steaming machine;
FIG. 2 is a cross-sectional view of the tea steaming machine;
FIG. 3 is a sectional view of another embodiment of a tea steaming machine;
FIG. 4 is a schematic end view of a tea steaming box with a drum;
FIG. 5 is a top cut away view of a steamed tea box with a drum;
FIG. 6 is an internal cross-sectional view of a tea steaming box with a drum in a receiving station;
FIG. 7 is an internal cross-sectional view of the tea steaming box with the drum in the tea steaming station;
FIG. 8 is a schematic view of a tea steaming box with a drum at a blanking station;
FIG. 9 is an internal cross-sectional view of the tea steaming box with the drum in the blanking station;
fig. 10 is a schematic structural diagram of a group of air cylinders simultaneously driving two sets of tea steaming machines to operate.
In the figure: 20. a base plate; 21. a moving cylinder; 211. a section of air cylinder; 212. two sections of cylinders; 22. steaming the tea box; 23. a steam chamber; 231. a mesh plate; 24. a blanking hopper; 25. a steam pipe; 26. a drain pipe; 27. reversing the rack; 28. positioning the magnetic plate; 29. a positive rotation rack; 221. a box body; 222. a rotating drum; 223. a first stopper; 224. a second limiting block; 225. an arc-shaped cylinder cover; 226. a gear; 227. a magnetic chuck; 228. iron sheets; 229. a rotating shaft; 230. and (4) sleeving a shaft.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 10, the specific structure of the present invention is:
a tea steaming device for compression molding of Fuzhuan tea is characterized in that a material receiving station, a tea steaming station and a blanking station are arranged on a bottom plate 20; a tea steaming box 22 which moves among the material receiving station, the tea steaming station and the blanking station is arranged on the bottom plate 20; the upper and lower surfaces of the tea steaming box 22 are in an open state; a steam cavity 23 is arranged below the tea steaming station; a blanking hopper 24 is arranged below the blanking station; the side wall of the steam cavity 23 is connected with a steam pipe 25, and the bottom of the steam cavity is connected with a drainage pipe 26; the tea steaming box 22 is connected with a linear reciprocating driving mechanism.
The operation flow of the invention is as follows:
referring to the attached drawings 1-2, an automatic weighing machine weighs a proper amount of dry tea leaves and then falls into a tea steaming box 22 of a tea steaming machine 2, the tea steaming box 22 moves forwards to a tea steaming station under the driving of a linear reciprocating driving mechanism, steam enters a steam cavity 23 from a steam pipe 25 and then rises, and high-temperature steam heating is carried out on the tea leaves in the tea steaming box 22, so that the tea leaves become wet and soft; then the tea steaming box 22 is continuously moved forward to a blanking station, and tea leaves in the tea steaming box 22 fall into a blanking hopper 24 and enter a die cavity of the die; then the tea steaming box is reset to the material receiving station to complete one cycle.
Further optimization is carried out on the basis of the embodiment:
in one embodiment, as shown in fig. 1-2, the panel for the tea steaming station is a mesh plate 231 in order to heat the tea leaves in a manner that allows the steam to rise uniformly and dispersedly, and to prevent the tea leaves from falling into the steam chamber.
As shown in fig. 1, the tea steaming box 22 is connected with a linear reciprocating driving mechanism; the linear reciprocating drive mechanism is disposed on the base plate 20.
As shown in fig. 1-2, the linear reciprocating driving mechanism is a cylinder 21 in order to increase the moving speed of the tea steaming box 22 and to improve the convenience of the tea steaming machine and other accessories.
As shown in fig. 2, in order to realize the quick movement and the quick positioning of the tea steaming box, the cylinder 21 is composed of a cylinder 211 and a cylinder 212 which are connected in series.
As shown in fig. 3-9, in order to achieve more uniform and rapid steam heating softening of tea leaves, the tea steaming box 22 comprises a box body 221 with an opening on the upper and lower surfaces; a drum 222 with a mesh-shaped wall surface is arranged in the box body 221; the cylindrical wall of the drum 222 is provided with a feed inlet; the two ends of the drum 222 are rotatably arranged in the box body 221 through a rotating shaft 229, and at least one end of the rotating shaft 229 is provided with a magnetic disc 227 after penetrating through the outer wall of the box body 221 to extend out; an arc-shaped cylinder cover 225 for sealing the feed inlet is sleeved on the cylindrical wall surface of the rotating cylinder 222; sleeve shafts 230 are arranged on two end faces of the arc-shaped cylinder cover 225; the sleeve shaft 230 is sleeved on the rotating shaft 229 and penetrates through the outer wall of the box body 221 to extend out, and at least one end of the sleeve shaft is provided with a gear 226; a first limit block 223 and a second limit block 224 for limiting the rotation angle of the arc-shaped cylinder cover 225 are arranged on the outer wall of the rotating cylinder 222; a forward rotation rack 29 matched with the gear 226 is horizontally arranged on the side edge between the material receiving station and the tea steaming station; a reverse rack 27 matched with the gear 226 is horizontally arranged on the side of the blanking station; connect material station and blanking station side all to be provided with the rotatory location magnetic sheet 28 that is used for restricting magnetic chuck 227.
As shown in fig. 5 and 8, the forward rotation rack 29 and the reverse rotation rack 27 are respectively located at different upper and lower lateral positions of the gear 226 for forward and reverse rotation of the drum 222.
As shown in fig. 5 and 10, in order to realize the spaced positioning and locking, an iron block is arranged on the magnetic attraction disc 227; the positioning magnetic plate 28 is provided with a magnet. The iron blocks are embedded on the side edges of the magnetic suction disc 227; when the magnetic attraction disc 227 rotates, the iron piece rotates to the position of the positioning magnetic plate 28, and is attracted by the magnet. The iron sheet can be replaced by a magnet, and the magnet on the positioning magnetic plate 28 form opposite pole attraction.
In order to reduce the frictional resistance when the drum 222 rotates, a bearing is arranged between the sleeve shaft 230 and the rotating shaft 229; a bearing is arranged between the sleeve shaft 230 and the box body 221.
As shown in fig. 8, the positioning magnetic plate 28 is mounted on the side of the bottom plate 20 by a bracket.
As shown in fig. 6-7, the upper port of the cartridge body 221 is larger than the feed port of the bowl 222.
As shown in figure 10, the tea steaming machine of the invention can also share one linear reciprocating driving mechanism, and two sets of tea steaming machines are driven to operate simultaneously by one set of air cylinders 21.
The tea steaming machine of the embodiment has the working flow as follows:
firstly, as shown in fig. 3-6, in an initial state, the tea steaming box 22 is located at a material receiving station, and the positioning magnetic plate 28 absorbs the magnetic suction disc 227 to ensure that the feeding hole of the rotary drum 222 is aligned with the upper port of the tea steaming box 22 upwards; the arc-shaped drum cover 225 is positioned at the bottom of the drum 222; the tea leaves fall into the drum 222 from the blanking port of the automatic weighing machine;
secondly, the tea steaming box 22 starts to move, the gear 226 and the forward rotation rack 29 start to be meshed, the forward rotation rack 29 drives the gear 226 to rotate clockwise, the arc-shaped cylinder cover 225 is driven to rotate clockwise, the feed inlet of the rotary cylinder 222 is sealed, and meanwhile, the tea steaming box is limited and fixed by the first limiting block 223, as shown in fig. 9. When the tea steaming box 22 moves to the tea steaming station, the gear 226 is disengaged from the forward rotation rack 29, but continues to rotate under the inertial force for a period of time during which the tea leaves in the drum 222 are humidified and softened by the steam while being turned.
Thirdly, when the preset time is reached, the tea steaming box 22 continues to move forward, when approximately half of the tea steaming box 22 reaches the blanking station, the gear 226 is meshed with the reverse rack 27, the reverse rack 27 drives the gear 226 to rotate anticlockwise to drive the arc-shaped cylinder cover 225 to rotate reversely to open the feeding hole of the rotary cylinder 222, as shown in fig. 8-9, when the magnetic suction disc 227 is sucked by the positioning magnetic plate 28, the feeding hole of the rotary cylinder 222 just faces downwards, so that all tea leaves fall out of the blanking hopper, and the material discharging operation is completed.
Fourth, evaporate tea box 22 and move back, move back the in-process, driving gear 226 clockwise rotation before reverse rack 27, drive arc cover 225 clockwise rotation, make arc cover 225 close rotary drum 222, then corotation rack 29 drive gear 226 anticlockwise rotation, drive arc cover 225 anticlockwise rotation, make arc cover 225 open rotary drum 222, fix a position magnetic sheet 28 through connecing the material station at last and hold magnetic chuck 227, ensure that the feed inlet of rotary drum 222 is fixed up, accomplish and reset.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (10)
1. A tea steaming device for Fuzhuan tea compression molding is characterized in that a material receiving station, a tea steaming station and a blanking station are arranged on a bottom plate (20); a tea steaming box (22) which moves among the material receiving station, the tea steaming station and the blanking station is arranged on the bottom plate (20); the upper and lower surfaces of the tea steaming box (22) are in an open state; a steam cavity (23) is arranged below the tea steaming station; a blanking hopper (24) is arranged below the blanking station; the side wall of the steam cavity (23) is connected with a steam pipe (25), and the bottom of the steam cavity is connected with a drain pipe (26); the tea steaming box (22) is connected with a linear reciprocating driving mechanism.
2. The tea steaming equipment for the compression molding of Fuzhuan tea as claimed in claim 1, wherein the panel of the tea steaming station is a mesh plate (231).
3. The tea steaming equipment for the compression molding of Fuzhuan tea as claimed in claim 1, wherein the linear reciprocating driving mechanism is a cylinder (21).
4. The tea steaming equipment for the compression molding of Fuzhuan tea as claimed in claim 3, wherein the cylinder (21) is composed of a cylinder (211) and a cylinder (212) which are connected in series.
5. The tea steaming device for the compression molding of Fuzhuan tea as claimed in claim 1, wherein the tea steaming box (22) comprises a box body (221) with an open upper surface and an open lower surface; a rotary drum (222) with a mesh-shaped wall surface is arranged in the box body (221); the cylindrical wall surface of the rotary drum (222) is provided with a feeding hole; two ends of the rotary drum (222) are rotatably arranged in the box body (221) through a rotary shaft (229), the rotary shaft (229) penetrates through the outer wall of the box body (221) to extend out, and at least one end of the rotary drum is provided with a magnetic disc (227); an arc-shaped cylinder cover (225) for sealing the feed port is sleeved on the cylindrical wall surface of the rotating cylinder (222); sleeve shafts (230) are arranged on two end faces of the arc-shaped cylinder cover (225); the sleeve shaft (230) is sleeved on the rotating shaft (229) and penetrates through the outer wall of the box body (221) to extend out, and at least one end of the sleeve shaft is provided with a gear (226); a first limit block (223) and a second limit block (224) which are used for limiting the rotation angle of the arc-shaped cylinder cover (225) are arranged on the outer wall of the rotary cylinder (222); a forward rotation rack (29) matched with the gear (226) is horizontally arranged on the side edge between the material receiving station and the tea steaming station; a reverse rack (27) matched with the gear (226) is horizontally arranged on the side of the blanking station; connect material station and blanking station side all to be provided with and be used for restricting rotatory location magnetic sheet (28) of magnetic chuck (227).
6. The tea steaming device for the compression molding of Fuzhuan tea as claimed in claim 5, wherein the forward rotation rack (29) and the reverse rotation rack (27) are respectively located at different upper and lower side positions of the gear (226).
7. The tea steaming device for the compression molding of Fuzhuan tea as claimed in claim 5, wherein the magnetic attraction disc (227) is provided with an iron block; and the positioning magnetic plate (28) is provided with a magnet.
8. The tea steaming device for the compression molding of Fuzhuan tea as claimed in claim 5, wherein a bearing is arranged between the sleeve shaft (230) and the rotating shaft (229); a bearing is arranged between the sleeve shaft (230) and the box body (221).
9. A Fuzhuan tea press forming tea steaming device as claimed in claim 5, wherein the positioning magnetic plate (28) is mounted on the side of the bottom plate (20) through a bracket.
10. The tea steaming apparatus for Fuzhuan tea press forming according to claim 5, wherein the upper port of the box body (221) is larger than the feeding port of the rotary drum (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390495.2A CN110973295A (en) | 2019-12-30 | 2019-12-30 | Fuzhuan tea compression molding is with evaporating tea equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390495.2A CN110973295A (en) | 2019-12-30 | 2019-12-30 | Fuzhuan tea compression molding is with evaporating tea equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110973295A true CN110973295A (en) | 2020-04-10 |
Family
ID=70078642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911390495.2A Withdrawn CN110973295A (en) | 2019-12-30 | 2019-12-30 | Fuzhuan tea compression molding is with evaporating tea equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110973295A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633719A (en) * | 2022-09-08 | 2023-01-24 | 刘奇 | Tea processing method |
| CN115868552A (en) * | 2022-11-14 | 2023-03-31 | 会同瑞春茶业有限公司 | Brick tea making process capable of reducing fluorine content |
-
2019
- 2019-12-30 CN CN201911390495.2A patent/CN110973295A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115633719A (en) * | 2022-09-08 | 2023-01-24 | 刘奇 | Tea processing method |
| CN115868552A (en) * | 2022-11-14 | 2023-03-31 | 会同瑞春茶业有限公司 | Brick tea making process capable of reducing fluorine content |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110973295A (en) | Fuzhuan tea compression molding is with evaporating tea equipment | |
| CN211983587U (en) | Fuzhuan tea compression molding is with evaporating tea equipment | |
| CN102294843A (en) | Full-automatic bubble pressing machine for blank gift box | |
| CN110973297A (en) | Full-automatic small-particle Fuzhuan tea pressing production equipment | |
| CN113865309B (en) | Blank drying machine for ceramic part processing | |
| CN209159255U (en) | A kind of sheet material embossing machine facilitating adjusting | |
| CN206993489U (en) | A kind of sheet metal blanking automatic production line | |
| WO2009130731A1 (en) | Press and method in particular for the pressure forming of paper containers | |
| CN112432460A (en) | Drying equipment is used in chinese-medicinal material processing | |
| CN110450509B (en) | Pressing and forming method for plastic drainage plate | |
| CN112393558A (en) | Uniform drying device for hollow brick production | |
| CN110973296A (en) | Full-automatic manual-building Fuzhuan tea production equipment | |
| JP3477425B2 (en) | Pulp molding release machine | |
| CN109442954A (en) | A kind of Feitian chrysanthemum layering drying equipment being inserted into blast type | |
| CN206430493U (en) | A kind of industrial chemicals drying process device with frying function | |
| CN108719505A (en) | A kind of brick tea production method | |
| CN202286471U (en) | Shaping machine for artificial craft floral leaf | |
| CN212641051U (en) | Continuous hub forming flexible production line | |
| CN104624742A (en) | Reeling molding device for insulation water tank of solar water heater | |
| CN211608178U (en) | Fungus mushroom drying device | |
| CN214419577U (en) | Detachable flowerpot wood-plastic plate surface embossing device | |
| CN108724918A (en) | A kind of stamping machine | |
| CN205660975U (en) | Clutch facing briquetting machine of sideslip drawing of patterns | |
| CN113587626B (en) | Combined type drying equipment and combined type drying method for black tea | |
| CN219283815U (en) | Composite material oven |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200410 |