CN115771222A - Rubber sole rapid hot-pressing forming device - Google Patents
Rubber sole rapid hot-pressing forming device Download PDFInfo
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- CN115771222A CN115771222A CN202211473620.8A CN202211473620A CN115771222A CN 115771222 A CN115771222 A CN 115771222A CN 202211473620 A CN202211473620 A CN 202211473620A CN 115771222 A CN115771222 A CN 115771222A
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- 238000007731 hot pressing Methods 0.000 title description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 238000009966 trimming Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 4
- 238000003856 thermoforming Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The invention discloses a rapid hot-press molding device for a rubber sole, and relates to the technical field of hot-press molding of rubber soles; in order to facilitate trimming the rubber sole after hot-press forming; including base, jacking portion and cutting part, base top outer wall has the heating profiled sheeting through the backup pad welding, the mount pad has been placed to the heating profiled sheeting inner wall, the lower mould has been placed to the mount pad inner wall, the jacking groove has been seted up to the lower mould bottom, jacking portion includes: a vertical plate: two risers all are fixed in base top outer wall, and swing joint has same rotation post between two risers, rotation post circumference outer wall is fixed with cope match-plate pattern portion. The upper die and the lower die can be matched with each other, so that the rubber soles are molded at high temperature after being pressed, and the upper die plate and the mounting seat can be disassembled, so that the mounting seat, the lower die and the upper die can be replaced according to the rubber soles with different shoe sizes.
Description
Technical Field
The invention relates to the technical field of hot-press forming of rubber soles, in particular to a quick hot-press forming device for rubber soles.
Background
The rubber sole is made of rubber, has the advantages that the rubber sole is very soft and has excellent elasticity, can be suitable for various sports and plays a role in shock absorption, the rubber sole is produced in a hot-press forming mode, namely, rubber raw materials required by the production of the rubber sole are placed in a hot-press forming die, and the rubber raw materials are melted by high temperature and then are formed; after the rubber sole is subjected to thermoforming, a small amount of rubber can be remained at the edge part of the rubber sole, so that an operator needs to remove the remained rubber by using a trimming machine, but the processing procedure of the rubber insole can be increased by adopting the mode, so that the time of the rubber sole along the processing and the forming is needed, and based on the time, the rubber sole thermoforming device needs to be designed, the problems can be overcome, and the rubber sole thermoforming efficiency is improved.
Through retrieval, the Chinese patent with the application numbers of 202022920698 and 2 discloses a rubber sole hot-pressing forming device, which comprises a support plate, a support column, an extrusion component and a base; the support is fixedly connected to the bottom of the support plate; the extrusion assembly is arranged at the center of the bottom of the support plate; the base is fixedly connected to the bottom end of the strut; the extrusion assembly comprises a first cover body, a first cavity, a cylinder, a first supporting rod, a cross rod and a heating unit; the first cover body is fixedly connected to the bottom of the support plate; the first cavity is formed in the first cover body; the cylinder is fixedly connected inside the first cover body; the first supporting rod is fixedly connected to the bottom of the air cylinder and is connected in the first cover body in a sliding mode; through having increased the spacing groove on extrusion device for the skew can not take place for the position of last mould and bed die, thereby has promoted the production quality of rubber sole hot briquetting device.
The rubber sole hot-pressing forming device in the patent has the following defects: after the rubber sole is subjected to thermoforming, a small amount of rubber can be remained at the edge part of the rubber sole, and the remained rubber cannot be removed, so that the production time of the rubber sole can be prolonged.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a rapid hot-press forming device for rubber soles.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a quick hot briquetting device of rubber sole, includes base, jacking portion and cutting part, jacking portion includes:
a vertical plate: the two vertical plates are fixed on the outer wall of the top of the base, the same rotating column is movably connected between the two vertical plates, and an upper die part is fixed on the circumferential outer wall of the rotating column;
gear wheel: which is connected with the circumferential outer wall of the rotating column through a key;
rectangular plate: the gear rack is fixed on the outer wall of the top of the base, the inner wall of a through hole formed in the surface of the rectangular plate is movably connected with a limiting rod, and a rack meshed with the gear is fixed on the outer wall of one side of the limiting rod;
driving a plate: the driving plate is fixed on the outer wall of one side of the rack, and the surface of the driving plate is provided with a V-shaped hole;
a support: the positioning device is fixed on the outer wall of the top of the base, the inner wall of a through hole formed in the top of the support is movably connected with a positioning column, and a limiting sheet is fixed on the circumferential outer wall of the positioning column through a pin;
an air duct: which is connected with one end of the directional column through threads, and the outer wall of the circumference of the air duct is welded with a bent pipe.
Preferably, the following components: the outer wall of the top of the base is welded with a heating forming plate through a supporting plate, a mounting seat is placed on the inner wall of the heating forming plate, and a lower die is placed on the inner wall of the mounting seat.
Preferably: the upper die part comprises a pressing plate and an upper die plate, the pressing plate is fixed on the outer wall of the circumference of the rotating column through a pin, the upper die plate is fixed on the inner surface of the pressing plate, and an upper die is integrally formed on the outer wall of one side of the upper die plate.
Preferred for the present invention are: the cutting part comprises an electric telescopic rod and a containing plate, the electric telescopic rod is fixed on the outer wall of the top of the base, and the containing plate is fixed at the output end of the electric telescopic rod through a pin.
As a preferable aspect of the present invention: the outer wall welding of holding plate bottom has the welding seat, welding seat bottom outer wall integrated into one piece has the cutting knife.
As a preferable aspect of the present invention: the base top outer wall is fixed with the mounting panel, mounting panel one side outer wall is fixed with the air pump.
And further: the air pump output end is connected with an air pipe through threads, and one end, far away from the air pump, of the air pipe is fixed at one end of the air guide pipe.
As a further scheme of the invention: the outer wall of the circumference of the elbow is provided with air holes.
As a still further scheme of the invention: the top of the bent pipe is welded with a top block.
As a still further scheme of the invention: and the bottom of the lower die is provided with a jacking groove.
The invention has the beneficial effects that:
1. utilize the rack can drive the drive plate and remove along transversely, thereby make at the rubber sole hot briquetting finish the back, at the in-process that the cope match-die opened gradually, make V type hole on the drive plate can drive directional post, make the transverse motion of drive plate can turn into the vertical motion of directional post, thereby make the return bend at the in-process that rises, can jack-up the lower mould through the kicking block, make lower mould portion be in unsettled state after moving upward, thereby make cutting portion can amputate rubber unnecessary at rubber sole edge, thereby can carry out the deburring to the rubber sole after the hot pressing.
2. Through being provided with the mould can and the lower mould between cooperate to make both after the pressfitting, can carry out the shaping to the rubber sole under high temperature, through all setting up cope match-plate pattern and mount pad to dismantling, thereby can change mount pad, lower mould and last mould according to the rubber sole of shoe sign indicating number of difference, thereby make and utilize clamp plate and heating profiled sheeting to realize the hot briquetting to the rubber sole of different shoe signs.
3. The containing plate can be controlled to move downwards through the electric telescopic rod, so that after the jacking portion jacks the lower die, the cutting knife can integrally cut off redundant rubber attached to the outer wall of the lower die in the moving downwards process, and trimming operation of rubber soles can be rapidly achieved.
4. Can carry out the in-process of jacking to the lower mould at the kicking block through being provided with the air pump, can lead out the air in following the gas pocket through trachea and return bend to can cool down the lower mould surface, thereby can reduce the temperature at rubber sole, thereby avoid operating personnel when peeling off rubber sole, make rubber sole cause the scald to operating personnel.
5. The rotary column can be driven to rotate by being provided with the driving motor, so that the upper die part fixed on the circumferential outer wall of the rotary column is folded between the rotary in-process and the heating forming plate, and the rubber sole can be subjected to hot press forming.
Drawings
FIG. 1 is a schematic view of the overall structure of a rapid hot-press molding apparatus for rubber soles according to the present invention;
FIG. 2 is a schematic side view of a rapid hot-press molding apparatus for rubber soles according to the present invention;
FIG. 3 is a schematic bottom structure view of a rapid hot press molding apparatus for rubber soles according to the present invention;
FIG. 4 is a schematic view of the overall structure of the hot press molding part of the rapid hot press molding apparatus for rubber soles according to the present invention;
FIG. 5 is a schematic view of the explosion structure of the hot press forming part of the rapid hot press forming device for rubber soles according to the present invention;
FIG. 6 is a schematic view of the structure of a lifting portion of a rapid hot-press molding apparatus for rubber soles according to the present invention;
FIG. 7 is a schematic structural view of a driving part of a rapid hot press molding apparatus for rubber soles according to the present invention;
fig. 8 is a schematic structural view of a cutting part of the rapid hot press molding device for rubber soles according to the present invention.
In the figure: 1-base, 2-driving motor, 3-limiting rod, 4-bracket, 5-electric telescopic rod, 6-mounting plate, 7-air pipe, 8-vertical plate, 9-air pump, 10-rectangular plate, 11-pressing plate, 12-heating forming plate, 13-supporting plate, 14-driving plate, 15-rack, 16-upper template, 17-mounting seat, 18-lower die, 19-rotating column, 20-gear, 21-upper die, 22-jacking groove, 23-bent tube, 24-air hole, 25-top block, 26-V-shaped hole, 27-air duct, 28-limiting sheet, 29-orientation column, 30-containing plate, 31-welding seat and 32-cutting blade.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientation or positional relationship shown in the figures, and are used for convenience in describing the patent and for simplicity in description, and are not intended to limit the devices, structures, or elements that are referenced to, must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
the utility model provides a rubber sole rapid hot briquetting device, as shown in fig. 1-8, includes base 1, jacking portion and cutting part, 1 top outer wall of base has heating profiled sheeting 12 through the welding of backup pad 13, mount pad 17 has been placed to heating profiled sheeting 12 inner wall, lower mould 18 has been placed to mount pad 17 inner wall, jacking groove 22 has been seted up to lower mould 18 bottom, jacking portion includes:
a vertical plate 8: the two vertical plates 8 are fixed on the outer wall of the top of the base 1 through bolts, the same rotating column 19 is rotatably connected between the two vertical plates 8, and an upper die part is fixed on the circumferential outer wall of the rotating column 19;
gear 20: which is connected with the circumferential outer wall of the rotating column 19 through a key;
rectangular plate 10: the device is fixed on the outer wall of the top of a base 1 through bolts, the inner wall of a through hole formed in the surface of a rectangular plate 10 is connected with a limiting rod 3 in a sliding mode, and a rack 15 meshed with a gear 20 is fixed on the outer wall of one side of the limiting rod 3 through bolts;
drive plate 14: the driving plate is fixed on the outer wall of one side of the rack 15 through bolts, and a V-shaped hole 26 is formed in the surface of the driving plate 14;
and (4) a bracket: the positioning device is fixed on the outer wall of the top of the base 1 through bolts, the inner wall of a through hole formed in the top of the support 4 is connected with a directional column 29 in a sliding mode, and a limiting sheet 28 is fixed on the circumferential outer wall of the directional column 29 through a pin;
an air duct 27: the air guide pipe is connected to one end of a directional column 29 through threads, the outer wall of the circumference of the air guide pipe 27 is welded with a bent pipe 23, and the top of the bent pipe 23 is welded with a top block 25;
the driving motor 2 can drive the rotating column 19 to rotate, so that an upper die part fixed on the circumferential outer wall of the rotating column 19 is folded with the heating forming plate 12 in the rotating process, and the rubber sole can be subjected to hot press forming;
can drive rack 15 at its rotatory in-process through being provided with gear 20 and carry out linear motion, utilize gag lever post 3 and rectangular plate 10 can lead to the moving path of rack 15, utilize rack 15 can drive plate 14 and remove along transversely, thereby make after rubber sole hot briquetting finishes, in-process that the upper die opened gradually, make V type hole 26 on the drive plate 14 can drive directional post 29, make the transverse motion of drive plate 14 can convert into the vertical motion of directional post 29, thereby make return bend 23 in the in-process that rises, can jack-up lower mould 18 through kicking block 25, make lower mould portion be in unsettled state after last moving, thereby make cutting portion can excise the unnecessary rubber at rubber sole edge, thereby can carry out the deburring to the rubber sole after the hot pressing.
The upper die part comprises a pressure plate 11 and an upper die plate 16, the pressure plate 11 is fixed on the circumferential outer wall of the rotating column 19 through a pin, the upper die plate 16 is fixed on the inner surface of the pressure plate 11 through a bolt, and an upper die 21 is integrally formed on the outer wall of one side of the upper die plate 16;
through being provided with the mould 21 can with the lower mould 18 between cooperate to make both after the pressfitting, can carry out the shaping to the rubber sole under high temperature, through all setting up cope match-plate pattern 16 and mount pad 17 to can dismantle, thereby can change mount pad 17, lower mould 18 and last mould 21 according to the rubber sole of the shoes sign indicating number of difference, thereby make and utilize clamp plate 11 and heating profiled sheet 12 to realize the hot briquetting to the rubber sole of different shoes sign indicating numbers.
The cutting part comprises an electric telescopic rod 5 and an accommodating plate 30, the electric telescopic rod 5 is fixed on the outer wall of the top of the base 1 through a bolt, the accommodating plate 30 is fixed on the output end of the electric telescopic rod 5 through a pin, a welding seat 31 is welded on the outer wall of the bottom of the accommodating plate 30, and a cutting knife 32 is integrally formed on the outer wall of the bottom of the welding seat 31;
the containing plate 30 can be controlled to move downwards by the electric telescopic rod 5, so that after the jacking part jacks the lower die 18, the cutting knife 32 integrally cuts off redundant rubber attached to the outer wall of the lower die 18 in the downward moving process, and trimming operation of rubber soles can be quickly realized.
When the rubber sole hot-press forming device is used, when the rubber sole needs to be subjected to hot-press forming, the upper die part is firstly fixed on the inner surface of the pressing plate 11, the mounting seat 17 is then placed on the inner surface of the heating forming plate 12, the lower die 18 is then placed on the inner surface of the mounting seat 17, the rubber sole raw material is placed inside the lower die 18, the driving motor 2 is started, the driving motor 2 drives the rotating column 19 to rotate, so that the pressing plate 11 drives the upper die part and the heating forming plate 12 to be folded, after the folding is finished, the heating forming plate 12 is controlled, the heating forming plate 12 generates heat, so that the rubber sole is subjected to hot-press forming, after the hot-press forming of the rubber sole is finished, the driving motor 2 is controlled to enable the output end of the rubber sole to be reversed at the moment, so that the pressing plate 11 and the upper die part are gradually opened, in the opening process, the driving gear 20 can be driven to rotate by the rotating column 19, the gear 20 can drive the rack 15 to move along the transverse direction in the rotation process, the rack 15 can drive the V-shaped hole 26 on the drive plate 14 to synchronously move along the transverse direction in the transverse movement process, the V-shaped hole 26 is V-shaped, firstly, the horizontal part of the V-shaped hole 26 slides along the circumferential outer wall of the orientation column 29, in the process, the orientation column 29 keeps static, so that the press plate 11 and the upper die part are opened, after the press plate 11 and the upper die part are opened for a certain angle, the oblique part of the V-shaped hole 26 starts to lift up the orientation column 29, so that the bent pipe 23 is gradually inserted into the lifting groove 22 in the synchronous lifting process, so that the bent pipe 23 and the top block 25 are utilized to lift up the lower die 18, the weight of the mounting seat 17 is far greater than that of the lower die 18, so that the lower die 18 drives the molded rubber to synchronously move upwards in the lifting process, and then, starting the electric telescopic rod 5, controlling the cutting knife 32 to move downwards by the electric telescopic rod 5, cutting off redundant rubber attached to the outer wall of the lower die 18 in a hoop shape after the cutting knife 32 moves downwards, trimming the rubber sole, and then stripping the rubber sole from the surface of the lower die 18 by an operator.
Example 2:
a rapid hot press molding device for rubber soles is shown in figures 1-7, in order to reduce the temperature of the molded rubber soles; this example is supplemented by example 1 with the following: the outer wall of the top of the base 1 is fixedly provided with an installation plate 6 through a bolt, the outer wall of one side of the installation plate 6 is fixedly provided with an air pump 9 through a bolt, the output end of the air pump 9 is connected with an air pipe 7 through a thread, one end of the air pipe 7, far away from the air pump 9, is fixedly arranged at one end of an air guide pipe 27 through a bolt, and the outer wall of the circumference of the elbow pipe 23 is provided with an air hole 24;
can carry out the in-process of jacking at kicking block 25 to lower mould 18 through being provided with air pump 9, can export the air in air pipe 7 and return bend 23 follow gas pocket 24 to can cool down 18 surfaces of lower mould, thereby can reduce the temperature of rubber sole, thereby avoid operating personnel when peeling off rubber sole, make rubber sole cause the scald to operating personnel.
The above description is for the purpose of illustrating the preferred embodiments of the present invention and is not intended to be exhaustive or to limit the invention to the precise embodiments disclosed, and all modifications, equivalents, and improvements that may occur to those skilled in the art and that fall within the spirit and scope of the invention are intended to be embraced therein.
Claims (10)
1. The utility model provides a quick hot briquetting device of rubber sole, includes base (1), jacking portion and cutting part, characterized by, jacking portion includes: riser (8): the two vertical plates (8) are fixed on the outer wall of the top of the base (1), the same rotating column (19) is movably connected between the two vertical plates (8), and an upper die part is fixed on the outer wall of the circumference of the rotating column (19); gear (20): it is connected with the circumferential outer wall of the rotating column (19) through a key; rectangular plate (10): the gear rack is fixed on the outer wall of the top of a base (1), the inner wall of a through hole formed in the surface of a rectangular plate (10) is movably connected with a limiting rod (3), and a rack (15) meshed with a gear (20) is fixed on the outer wall of one side of the limiting rod (3); drive plate (14): the driving plate is fixed on the outer wall of one side of the rack (15), and a V-shaped hole (26) is formed in the surface of the driving plate (14); support (4): the positioning device is fixed on the outer wall of the top of a base (1), the inner wall of a through hole formed in the top of a support (4) is movably connected with a directional column (29), and a limiting sheet (28) is fixed on the circumferential outer wall of the directional column (29) through a pin; airway tube (27): which is connected with one end of the directional column (29) through screw threads, and the outer wall of the circumference of the air duct (27) is welded with a bent pipe (23).
2. The rubber sole rapid hot-press forming device according to claim 1, wherein the outer wall of the top of the base (1) is welded with a heating forming plate (12) through a support plate (13), a mounting seat (17) is placed on the inner wall of the heating forming plate (12), and a lower die (18) is placed on the inner wall of the mounting seat (17).
3. The rapid hot-press forming device for the rubber soles as claimed in claim 2, wherein the upper mold part comprises a pressing plate (11) and an upper mold plate (16), the pressing plate (11) is fixed on the outer circumferential wall of the rotating column (19) through pins, the upper mold plate (16) is fixed on the inner surface of the pressing plate (11), and an upper mold (21) is integrally formed on the outer circumferential wall of one side of the upper mold plate (16).
4. The device for rapidly hot-press forming the rubber sole as claimed in claim 3, wherein the cutting part comprises an electric telescopic rod (5) and a containing plate (30), the electric telescopic rod (5) is fixed on the outer wall of the top of the base (1), and the containing plate (30) is fixed on the output end of the electric telescopic rod (5) through a pin.
5. The rapid hot-press forming device for the rubber soles as claimed in claim 4, wherein the outer wall of the bottom of the containing plate (30) is welded with a welding seat (31), and the outer wall of the bottom of the welding seat (31) is integrally formed with a cutting knife (32).
6. The rapid hot-press forming device for the rubber soles as claimed in claim 5, wherein a mounting plate (6) is fixed on the outer wall of the top of the base (1), and an air pump (9) is fixed on the outer wall of one side of the mounting plate (6).
7. The rubber sole rapid hot-press forming device according to claim 6, wherein an output end of the air pump (9) is connected with an air pipe (7) through threads, and one end of the air pipe (7) far away from the air pump (9) is fixed at one end of the air guide pipe (27).
8. The rapid hot press molding device for rubber soles according to claim 7, characterized in that the outer wall of the circumference of the bent pipe (23) is provided with air holes (24).
9. The rapid hot press molding device for rubber soles according to claim 8, characterized in that the top of the elbow (23) is welded with a top block (25).
10. The rubber sole rapid hot press molding device according to claim 9, characterized in that the bottom of the lower mold (18) is provided with a jacking groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211473620.8A CN115771222A (en) | 2022-11-23 | 2022-11-23 | Rubber sole rapid hot-pressing forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211473620.8A CN115771222A (en) | 2022-11-23 | 2022-11-23 | Rubber sole rapid hot-pressing forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115771222A true CN115771222A (en) | 2023-03-10 |
Family
ID=85389983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211473620.8A Withdrawn CN115771222A (en) | 2022-11-23 | 2022-11-23 | Rubber sole rapid hot-pressing forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115771222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283778A (en) * | 2023-11-23 | 2023-12-26 | 晋江博鸿机械有限公司 | EVA foaming sole secondary forming machine |
-
2022
- 2022-11-23 CN CN202211473620.8A patent/CN115771222A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283778A (en) * | 2023-11-23 | 2023-12-26 | 晋江博鸿机械有限公司 | EVA foaming sole secondary forming machine |
| CN117283778B (en) * | 2023-11-23 | 2024-01-26 | 晋江博鸿机械有限公司 | EVA foaming sole secondary forming machine |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230310 |
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| WW01 | Invention patent application withdrawn after publication |