CN112061454A - Automatic cap screwing machine for plastic bottle screw cap - Google Patents
Automatic cap screwing machine for plastic bottle screw cap Download PDFInfo
- Publication number
- CN112061454A CN112061454A CN202010949441.1A CN202010949441A CN112061454A CN 112061454 A CN112061454 A CN 112061454A CN 202010949441 A CN202010949441 A CN 202010949441A CN 112061454 A CN112061454 A CN 112061454A
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- China
- Prior art keywords
- cavity
- fixedly connected
- motor
- rod
- block
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
- B65B7/2835—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers applying and rotating preformed threaded caps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B3/00—Closing bottles, jars or similar containers by applying caps
- B67B3/20—Closing bottles, jars or similar containers by applying caps by applying and rotating preformed threaded caps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Of Jars (AREA)
Abstract
The invention discloses an automatic cap screwing machine for screw caps of plastic bottles, which comprises a base, wherein supporting plates with symmetrical front and back positions are fixedly connected on the upper surface of the base, a feeding cavity is arranged between the supporting plates, a feeding mechanism for feeding the plastic bottles to the right is arranged in the feeding cavity, a fixed block is fixedly connected at the upper end of the supporting plate, a feeding mechanism for providing bottle caps is arranged in the fixed block, a motor block is fixedly connected at the right end of the fixed block, a motor cavity is arranged in the motor block, the full-automatic function of screwing the bottle caps onto the plastic bottles is realized, the functions of supplementing and adding the bottle caps and discharging the screwed plastic bottles are automatically realized in the process of screwing the bottle caps, the operation in the whole process is very simple, excessive manual operation is not needed, the use is very convenient and rapid, the labor intensity of workers is reduced, and the cap screwing efficiency is increased, is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of industrial equipment, in particular to an automatic cap screwing machine for a plastic bottle screw cap.
Background
The plastic bottle is mainly used for liquid or solid disposable plastic packaging containers of beverages, foods, pickles, honey, dried fruits, edible oil, agricultural and veterinary drugs and the like, has the characteristics of difficult breakage, low cost, high transparency, food-grade raw materials and the like, and is one of common and common industrial products; in the current packaging process of some used plastic bottles, the process of screwing the cap is basically completed manually, the efficiency of manual screwing is obviously relatively low, and the repeated screwing operation brings great labor intensity for workers and is very easy to cause occupational diseases to influence the physical and mental health of the workers.
Disclosure of Invention
The aim of the present invention is to provide an automatic capping machine for screw caps for plastic bottles, designed to overcome the above-mentioned drawbacks of the prior art.
The automatic cap screwing machine for the screw cap of the plastic bottle comprises a base, wherein supporting plates which are symmetrical in front and back positions are fixedly connected to the upper surface of the base, a feeding cavity is arranged between the supporting plates, a feeding mechanism for feeding the plastic bottle to the right is arranged in the feeding cavity, a fixed block is fixedly connected to the upper end of the supporting plate, a feeding mechanism for providing a bottle cap is arranged in the fixed block, a motor block is fixedly connected to the right end of the fixed block, a motor cavity is arranged in the motor block, a first motor fixedly arranged on the upper surface of the motor block is arranged on the upper side of the motor cavity, a first rotating shaft penetrating through and rotatably connected to the motor cavity is dynamically connected to the lower end of the first motor, a first gear positioned on the lower side of the motor block is fixedly connected to the lower end of the first rotating shaft, and a rotating block positioned in the motor cavity is fixedly connected to the first rotating shaft, the utility model discloses a bottle cap screwing device, including rotatory piece, motor chamber, motor, the annular surface of rotatory piece is equipped with the track, orbital left side butt has to support the pole, the downside that supports the pole rotates be connected with the lower extreme run through and rotate connect in the motor chamber just stretches out the second pivot of motor piece, the downside of second pivot be equipped with can with first gear engagement's second gear, the lower extreme fixedly connected with of second pivot presss from both sides tight piece, it is used for adjusting to press from both sides to be equipped with in the tight piece the tight radial guiding mechanism of bottle cap clamp, the rear side of backup pad is equipped with and is used for pushing out the discharge mechanism of the plastic.
On the basis of the technical scheme, the feeding mechanism comprises pulley shafts which are rotationally connected to the front wall and the rear wall of the feeding cavity and are symmetrical in left and right positions, pulleys are fixedly connected to the pulley shafts, a belt is connected between the pulleys, and the rear end of the right pulley shaft is in power connection with a second motor fixedly arranged on the rear side of the supporting plate.
On the basis of the technical scheme, the discharge mechanism comprises a check block fixedly connected to the upper right side of the feeding cavity, a first cavity penetrating through the front wall and the rear wall of the feeding cavity and symmetrical in front and rear positions is formed in the left side of the check block, a rotating rod is hinged to the bottom wall of the first cavity on the rear side, a second cavity is formed in the rear surface of the rotating rod, a sliding rod is connected in the second cavity in a sliding mode, a wedge-shaped rod is fixedly connected to the rear end of the sliding rod, a first spring is fixedly connected between the sliding rod and the front wall of the second cavity, a second spring is fixedly connected between the lower surface of the rotating rod and the rear wall of the supporting plate on the rear side, and a rotary push rod used for pushing out the plastic bottles is fixedly connected to the upper;
a third cavity penetrates through the rear wall of the motor cavity, a first connecting rod fixedly connected to the abutting rod is connected in the third cavity in a sliding mode, a second connecting rod is fixedly connected to the lower end of the first connecting rod, and a shifting block used for shifting the wedge-shaped rod is fixedly connected to the lower end of the second connecting rod.
On the basis of the technical scheme, the feeding mechanism comprises a feeding cavity located in the upper surface of the fixed block, a fourth cavity penetrates through the left wall and the right wall of the lower side of the feeding cavity, a push rod is connected in the fourth cavity in a sliding mode, a third spring is fixedly connected between the push rod and the left wall of the fourth cavity, a pull rope is fixedly connected between the left end of the push rod and the upper end of the supporting rod, and the bottle caps are placed in the feeding cavity in order.
On the basis of the technical scheme, the adjusting mechanism comprises a gear cavity located in the clamping block, sliding cavities are formed in the front side and the rear side of the gear cavity and in the right side of the gear cavity, nuts are connected in the sliding cavities in a penetrating mode, are connected in a rotating mode, are connected to one side wall, close to the gear cavity, of the sliding cavity and extend into threaded shafts in the gear cavity, one ends, close to each other, of the threaded shafts are fixedly connected with bevel gears meshed with each other, the right side of the threaded shafts is fixedly connected with a handle, a fifth cavity is connected in the bottom wall of the sliding cavity in a penetrating mode, is fixedly connected to a third connecting rod of the nuts in a sliding mode, and the lower end of the third connecting rod is fixedly connected with a clamping plate.
The invention has the beneficial effects that: the full-automatic function of having realized twisting the bottle lid to the plastic bottle to the automatic realization of in-process of twisting the bottle lid adds and the plastic bottle exhaust function that finishes with the twist cap to the supplementary of bottle lid, and the operation of whole process is very simple, need not too much manual operation, uses very convenient and fast, has reduced workman's intensity of labour and has increased the efficiency of twist cap, is worth promoting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an automatic capping machine for screw caps for plastic bottles according to the present invention;
FIG. 2 is a schematic view of the present invention taken along the line A-A of FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
FIG. 4 is a schematic view of the structure of FIG. 3 taken in the direction C-C;
fig. 5 is a schematic view of the structure of fig. 3 in the direction D-D according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-5, an automatic cap screwing machine for screw caps of plastic bottles according to an embodiment of the present invention includes a base 10, support plates 59 having front and rear positions symmetrical to each other are fixedly connected to an upper surface of the base 10, a feeding chamber 15 is disposed between the support plates 59, a feeding mechanism 801 for feeding a plastic bottle 14 to the right is disposed in the feeding chamber 15, a fixed block 20 is fixedly connected to an upper end of the support plate 59, a feeding mechanism 802 for providing a bottle cap 22 is disposed inside the fixed block 20, a motor block 28 is fixedly connected to a right end of the fixed block 20, a motor chamber 29 is disposed inside the motor block 28, a first motor 24 fixedly disposed on an upper surface of the motor block 28 is disposed on an upper side of the motor chamber 29, a first rotating shaft 25 penetrating through and rotatably connected to the motor chamber 29 is dynamically connected to a lower end of the first motor 24, the lower extreme fixedly connected with of first pivot 25 is located first gear 32 of motor piece 28 downside, fixedly connected with is located in the first pivot 25 the inside rotatory piece 27 of motor chamber 29, be equipped with track 26 in the annular surface of rotatory piece 27, the left side butt of track 26 has connect and has resisted pole 23, the downside rotation of resisting pole 23 is connected with the lower extreme and runs through and rotate connect in motor chamber 29 and stretch out the second pivot 30 of motor piece 28, the downside of second pivot 30 be equipped with can with the second gear 31 of first gear 32 meshing, the lower extreme fixedly connected with of second pivot 30 presss from both sides tight piece 45, it is equipped with in the tight radius adjustment mechanism 803 of clamp to press from both sides the bottle lid 22 to press from both sides, the rear side of backup pad 59 is equipped with and is used for pushing out the discharge mechanism 804 that the screw cap finishes the plastic bottle 14 to the front side.
In addition, in one embodiment, the feeding mechanism 801 includes a pulley shaft 12 rotatably connected to the front and rear walls of the feeding chamber 15 and symmetrically arranged in left and right directions, pulleys 13 are fixedly connected to the pulley shaft 12, a belt 11 is connected between the pulleys 13, and the rear end of the right pulley shaft 12 is dynamically connected to the second motor 44 of the support plate 59 fixedly arranged on the rear side.
In addition, in one embodiment, the discharging mechanism 804 includes a stopper 18 fixedly connected to the upper right side of the feeding chamber 15, a first cavity 40 is formed in the left side of the stopper 18 and penetrates through the front and rear walls of the feeding chamber 15, the front and rear positions of the first cavity 40 are symmetrical, a rotating rod 41 is hinged to the bottom wall of the first cavity 40 at the rear side, a second cavity 38 is formed in the rear surface of the rotating rod 41, a sliding rod 57 is slidably connected in the second cavity 38, a wedge-shaped rod 37 is fixedly connected to the rear end of the sliding rod 57, a first spring 42 is fixedly connected between the sliding rod 57 and the front wall of the second cavity 38, a second spring 43 is fixedly connected between the lower surface of the rotating rod 41 and the rear wall of the supporting plate 59 at the rear side, and a rotary push rod 39 for pushing out the plastic bottle 14 is fixedly connected to the upper side of; a third cavity 34 penetrates through the rear wall of the motor cavity 29, a first connecting rod 33 fixedly connected to the abutting rod 23 is connected in the third cavity 34 in a sliding mode, a second connecting rod 35 is fixedly connected to the lower end of the first connecting rod 33, and a shifting block 36 used for shifting the wedge-shaped rod 37 is fixedly connected to the lower end of the second connecting rod 35.
In addition, in one embodiment, the feeding mechanism 802 includes a feeding cavity 58 located in the upper surface of the fixed block, a fourth cavity 16 penetrates through the left and right walls of the lower side of the feeding cavity 58, a push rod 17 is slidably connected in the fourth cavity 16, a third spring 19 is fixedly connected between the push rod 17 and the left wall of the fourth cavity 16, a pull rope 21 is fixedly connected between the left end of the push rod 17 and the upper end of the abutting rod 23, and the bottle caps 22 are neatly placed in the feeding cavity 58.
In addition, in one embodiment, the adjusting mechanism 803 includes a gear cavity 46 located in the clamping block 45, a sliding cavity 50 is disposed on the front side, the rear side and the right side of the gear cavity 46, a nut 49 is slidably connected in the sliding cavity 50, a threaded shaft 51 penetrating through and rotatably connected to one side wall of the sliding cavity 50 close to the gear cavity 46 and extending into the gear cavity 46 is connected in the nut 49, mutually engaged bevel gears 48 are fixedly connected to mutually adjacent ends of the threaded shaft 51, a handle 52 is fixedly connected to the right end of the threaded shaft 51 on the right side, a fifth cavity 53 penetrates through the bottom wall of the sliding cavity 50, a third connecting rod 55 fixedly connected to the nut 49 is slidably connected in the fifth cavity 53, and a clamping plate 54 is fixedly connected to the lower end of the third connecting rod 55.
In the initial state, the abutting rod 23 and the second rotating shaft 30 are located at the uppermost side, the second gear 31 is not meshed with the first gear 32, the push rod 17 is located at the rightmost side under the elastic force of the third spring 19, the rotating rod 41 is kept in a horizontal state under the elastic force of the second spring 43, and the shifting block 36 is located at the upper side of the wedge rod 37.
When automatic cap screwing operation is required, the handle 52 is rotated, the right-side threaded shaft 51 rotates and drives the bevel gears 48 on the front and rear sides to rotate through the bevel gear 48 on the right side, the threaded shafts 51 on the front and rear sides rotate, the nuts 49 in three directions move outwards, the clamping plate 54 is driven to move outwards through the third connecting rod 55, and the diameter of the bottle cap 22 which can be clamped by the clamping plate 54 is adjusted; after the adjustment is finished, the plastic bottles 14 are placed on the belt 11, the second motor 44 is started, the pulley shaft 12 rotates and drives the pulley 13 to rotate, the belt 11 moves and drives the upper plastic bottles 14 to the right, and the plastic bottles 14 are blocked by the stop block 18 and gathered to the right; then the first motor 24 is started, so that the first rotating shaft 25 rotates and drives the rotating block to rotate, the abutting rod 23 is further made to reciprocate up and down through the rail 26, the second rotating shaft 30 moves down and drives the clamping block 45 and the bottle cap 22 clamped by the clamping plate 54 to move down, the bottle cap 22 is opposite to the upper opening of the plastic bottle 14, at the moment, the second gear 31 is meshed with the first gear 32, the first rotating shaft 25 drives the second rotating shaft 30 to rotate through the first gear 32 and the second gear 31, the bottle cap 22 is driven to rotate and be screwed through the clamping block 45 and the clamping plate 54, then the second rotating shaft 30 and the abutting rod 23 start to move up, and the clamping plate 54 is separated from the bottle cap 22, so that the operation of automatically screwing the bottle cap 22 is realized; when the abutting rod 23 moves downwards, the pulling rope 21 is tensioned, the push rod 17 moves to the leftmost end from the left under the pulling force of the pulling rope 21, the bottle cap 22 moves downwards into the fourth cavity 16 under the action of gravity, when the abutting rod 23 starts to move upwards, the pulling rope 21 starts to be loosened, the push rod 17 moves to the right under the elastic force of the third spring 19 and pushes the bottle cap 22, and when the clamping block 45 moves to the uppermost end again, the bottle cap 22 is pushed to the lower side of the clamping block 45 under the pushing force of the push rod 17 and is clamped by the clamping plate 54, so that the automatic adding function of the bottle cap 22 is realized; since the distance of the second gear 31 moving up and down is related to the angle of the first rotating shaft 25 and the distance of the second gear moving up and down is fixed, the angles of the first rotating shaft 25 and the first gear 32 are fixed, and the state of the clamping block 45 and the clamping plate 54 when returning to the uppermost side again is the same as the initial state; when the resisting rod 23 moves downwards, the first connecting rod 33 and the second connecting rod 35 synchronously move downwards and drive the shifting block 36 to move downwards, then the shifting block 36 contacts the wedge-shaped rod 37, because the rotating rod 41 cannot rotate downwards continuously, the rotating rod 41 keeps still and the wedge-shaped rod 37 moves forwards at the moment, further the shifting block 36 moves downwards continuously, after the bottle cap 22 is screwed down, the shifting block 36 moves upwards, the shifting block 36 drives the wedge-shaped rod 37 to turn upwards, further the rotating rod 41 turns upwards, further the rotating push rod 39 turns forwards and pushes the plastic bottle 14 with the cap screwed to the front side and pushes the plastic bottle 14 out from the first cavity 40 at the front side, so that the discharge function of the plastic bottle 14 is realized, the plastic bottle 14 without the cap screwed at the left side moves rightwards again to be in contact with the baffle 18 under the action of the belt 11, and at the moment, the resisting rod 23 and the clamping block 45 move downwards again and start the second cap screwing operation.
The invention has the beneficial effects that: the full-automatic function of having realized twisting the bottle lid to the plastic bottle to the automatic realization of in-process of twisting the bottle lid adds and the plastic bottle exhaust function that finishes with the twist cap to the supplementary of bottle lid, and the operation of whole process is very simple, need not too much manual operation, uses very convenient and fast, has reduced workman's intensity of labour and has increased the efficiency of twist cap, is worth promoting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides an automatic screw capping machine of plastic bottle spiral cover, includes the base, its characterized in that: the plastic bottle feeding device is characterized in that supporting plates with symmetrical front and back positions are fixedly connected to the upper surface of the base, a feeding cavity is arranged between the supporting plates, a feeding mechanism for feeding a plastic bottle rightwards is arranged in the feeding cavity, a fixed block is fixedly connected to the upper end of the supporting plates, a feeding mechanism for providing a bottle cap is arranged in the fixed block, a motor block is fixedly connected to the right end of the fixed block, a motor cavity is arranged in the motor block, a first motor fixedly arranged on the upper surface of the motor block is arranged on the upper side of the motor cavity, a first rotating shaft penetrating through and rotatably connected to the motor cavity is in power connection with the lower end of the first motor, a first gear positioned on the lower side of the motor block is fixedly connected to the lower end of the first rotating shaft, a rotating block positioned in the motor cavity is fixedly connected to the first rotating shaft, and a track is, the left side of the track is abutted with a supporting rod, the lower side of the supporting rod is rotatably connected with a lower end which penetrates through and is rotatably connected with the motor cavity and stretches out of a second rotating shaft of the motor block, a second gear which can be meshed with the first gear is arranged on the lower side of the second rotating shaft, a clamping block is fixedly connected to the lower end of the second rotating shaft, an adjusting mechanism used for adjusting the clamping radius of the bottle cap is arranged in the clamping block, and a discharging mechanism used for pushing out the plastic bottle with the screwed cap completed to the front side is arranged on the rear side of the supporting plate.
2. An automatic capping machine for screw caps for plastic bottles, according to claim 1, characterized in that: the feeding mechanism comprises a pulley shaft which is rotationally connected to the front wall and the rear wall of the feeding cavity and is symmetrical in left and right positions, a pulley is fixedly connected to the pulley shaft, a belt is connected between the pulleys, and the rear end of the pulley shaft on the right side is in power connection with a second motor fixedly arranged on the rear side of the supporting plate.
3. An automatic capping machine for screw caps for plastic bottles, according to claim 1, characterized in that: the discharge mechanism comprises a check block fixedly connected to the upper right side of the feeding cavity, a first cavity which penetrates through the front wall and the rear wall of the feeding cavity and is symmetrical in front and rear positions is arranged on the left side of the check block, a rotating rod is hinged to the bottom wall of the first cavity on the rear side, a second cavity is arranged in the rear surface of the rotating rod, a sliding rod is connected in the second cavity in a sliding mode, a wedge-shaped rod is fixedly connected to the rear end of the sliding rod, a first spring is fixedly connected between the sliding rod and the front wall of the second cavity, a second spring is fixedly connected between the lower surface of the rotating rod and the rear wall of the supporting plate on the rear side, and a rotary push rod used for pushing out the plastic bottles is fixedly connected to the; a third cavity penetrates through the rear wall of the motor cavity, a first connecting rod fixedly connected to the abutting rod is connected in the third cavity in a sliding mode, a second connecting rod is fixedly connected to the lower end of the first connecting rod, and a shifting block used for shifting the wedge-shaped rod is fixedly connected to the lower end of the second connecting rod.
4. An automatic capping machine for screw caps for plastic bottles, according to claim 1, characterized in that: the adjusting mechanism comprises a gear cavity located in the clamping block, sliding cavities are formed in the front side and the rear side of the gear cavity and the right side of the gear cavity, nuts are connected in the sliding cavities in a sliding mode, the nuts are connected with inner threads in a penetrating mode and are connected with the sliding cavities in a rotating mode, one side wall of the gear cavity stretches into threaded shafts in the gear cavity, one ends of the threaded shafts, close to each other, are fixedly connected with bevel gears meshed with each other, the right side of the threaded shafts are fixedly connected with handles, a fifth cavity is formed in the bottom wall of the sliding cavities in a penetrating mode, the fifth cavity is fixedly connected with a third connecting rod of the nuts in a sliding mode, and a clamping plate is fixedly connected with the lower end of the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949441.1A CN112061454A (en) | 2020-09-10 | 2020-09-10 | Automatic cap screwing machine for plastic bottle screw cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010949441.1A CN112061454A (en) | 2020-09-10 | 2020-09-10 | Automatic cap screwing machine for plastic bottle screw cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112061454A true CN112061454A (en) | 2020-12-11 |
Family
ID=73664663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010949441.1A Withdrawn CN112061454A (en) | 2020-09-10 | 2020-09-10 | Automatic cap screwing machine for plastic bottle screw cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112061454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893909A (en) * | 2021-09-30 | 2022-01-07 | 孙国福 | Broken bottling device of tablet |
-
2020
- 2020-09-10 CN CN202010949441.1A patent/CN112061454A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893909A (en) * | 2021-09-30 | 2022-01-07 | 孙国福 | Broken bottling device of tablet |
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| 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: 20201211 |