CN113681787A - Vulcanizing system of flat vulcanizing machine - Google Patents
Vulcanizing system of flat vulcanizing machine Download PDFInfo
- Publication number
- CN113681787A CN113681787A CN202110985809.4A CN202110985809A CN113681787A CN 113681787 A CN113681787 A CN 113681787A CN 202110985809 A CN202110985809 A CN 202110985809A CN 113681787 A CN113681787 A CN 113681787A
- Authority
- CN
- China
- Prior art keywords
- base
- cavity
- groove
- electric telescopic
- vulcanizing
- 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- Withdrawn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
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 abstract description 10
- 230000023556 desulfurization Effects 0.000 abstract description 10
- 206010053615 Thermal burn Diseases 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 description 2
- 239000002085 irritant Substances 0.000 description 2
- 231100000021 irritant Toxicity 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/002—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
- B29C33/306—Exchangeable mould parts, e.g. cassette moulds, mould inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a vulcanizing system of a flat vulcanizing machine, which comprises a base and a lower die positioned at the upper end of the base, wherein a die cavity is arranged on the surface of the lower die, a top groove penetrates through the lower end of the die cavity, a cavity is arranged in the middle of the base, a through groove communicated with the top groove is arranged at the upper end of the cavity, an electric telescopic rod is arranged in the cavity, a top plate matched with the top groove is fixedly connected to the driving end of the electric telescopic rod, and a sealing ring is fixedly connected to the periphery of the outer side of the top plate; electric telescopic handle drives the roof and removes toward groove inside, make mould chamber bottom side keep the level, the use of cooperation sealing washer simultaneously, prevent to produce the gap between roof and the groove, the sealing washer is made for high temperature resistant material simultaneously, and has the wearability of enhancement, then carry out desulfurization operation to the product, the back is accomplished in the desulfurization, electric telescopic handle drives the roof and up removes, simultaneously ejecting the product of mould intracavity portion, the realization is to the automatic drawing of patterns operation of desulfurization product, and is easy to operate, and prevents to scald the operator.
Description
Technical Field
The invention relates to the field of flat vulcanizing machines, in particular to a vulcanizing system of a flat vulcanizing machine.
Background
The flat vulcanizing machine is mainly used for vulcanizing flat adhesive tapes (such as a conveying belt and a driving belt, which are called flat belts for short), and has the advantages of large pressure per unit area of a hot plate, reliable equipment operation, small maintenance amount and the like, the main function of the flat vulcanizing machine is to provide pressure and temperature required by vulcanization, the pressure is generated by a hydraulic system through a hydraulic cylinder, the temperature is provided by a heating medium (usually steam), and the flat vulcanizing machine can be mainly divided into a column type flat belt flat vulcanizing machine and a frame type flat belt vulcanizing machine according to the structural form of a rack; the number of working layers can be divided into a single layer and a double layer: the working medium of the hydraulic system can be divided into oil pressure and water pressure.
The existing vulcanizing press needs manual operation when demoulding finished products, and the finished products which are just formed are inconvenient to take and easy to scald operators due to high temperature, so that a vulcanizing system of the vulcanizing press is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a vulcanizing system of a flat vulcanizing machine, which can solve the problems that a finished product is inconvenient to take and easy to scald an operator when the finished product is demolded.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a curing system of curing press, includes the base and is located the bed die of base upper end, and the bed die surface is equipped with the mould chamber, mould chamber lower extreme runs through there is the top groove, the middle part of base is equipped with the cavity, the cavity upper end is equipped with the logical groove that communicates with the top groove, the inside electric telescopic handle that is equipped with of cavity, electric telescopic handle drive end rigid coupling have with the roof of top groove adaptation, and the peripheral rigid coupling in the roof outside has the sealing washer.
Preferably, the upper surface of the base is symmetrically provided with sliding grooves, the lower side of the lower die is fixedly connected with sliding blocks matched with the sliding grooves, and all sides of the sliding blocks are of damping structures.
Preferably, the sliding block and the sliding groove are both in matched dovetail structures.
Preferably, the device also comprises supporting columns fixed at four ends of the upper side of the base, a top seat is fixedly connected to the upper side of each supporting column, a hydraulic cylinder penetrates through the middle of each top seat, a balance plate and an upper die matched with the lower die are fixedly connected to the driving end of each hydraulic cylinder in sequence, and the end parts of the balance plates are connected with the surfaces of the supporting columns in a sliding mode.
Preferably, one side of the base is fixedly connected with a gas collecting box through a supporting block, one end of the upper side of the top seat is provided with a gas purifier, and a conduit is communicated between the gas collecting box and the gas purifier.
Preferably, the air collecting box comprises a negative pressure fan, the inner upper end of which is communicated with the guide pipe.
Preferably, the gas collecting box further comprises gas collecting holes which are equidistantly arranged at the upper end of one side of the gas collecting box close to the base, and a dustproof screen plate is arranged on one side wall of the inside of the gas collecting box close to the gas collecting holes.
Preferably, the upper mold is internally provided with a heating plate, and the balance plate is made of a heat insulating material.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the electric telescopic rod drives the top plate to move towards the inside of the top groove, so that the bottom side of the die cavity is kept horizontal, and meanwhile, a sealing ring is matched with the use of the top groove to prevent a gap from being generated between the top plate and the top groove;
2. the top plate is driven by the electric telescopic rod to move into the cavity, and then the lower die is pushed to slide on the surface of the base through the matching of the sliding block and the sliding groove, so that the lower die and the base are disassembled, the operation is simple, the lower die is convenient to replace, and the service life of the desulfurization machine is prolonged;
3. when the desulfurization machine is used, irritant gas generated when the gas collection box desulfurizes a product through the negative pressure fan is guided into the gas purifier through the gas collection hole and the guide pipe to be purified, and the quality of the working environment of an operator is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of a lower mold of the present invention;
FIG. 4 is a cross-sectional view of the base and lower mold of the present invention;
FIG. 5 is a schematic view of the structure of the gas collection box of the present invention;
FIG. 6 is an enlarged view of a portion a of FIG. 4;
wherein: 1. a base; 101. a cavity; 2. a pillar; 3. a top seat; 4. a hydraulic cylinder; 5. an upper die; 6. a lower die; 601. a mold cavity; 7. a balance plate; 8. a chute; 9. a gas collection tank; 10. a gas purifier; 11. a conduit; 12. a slider; 13. a top groove; 14. an electric telescopic rod; 15. a top plate; 16. a seal ring; 17. a through groove; 18. and a gas collecting hole.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1, 3, 4 and 6, the invention provides a vulcanizing system of a flat vulcanizing machine, which comprises a base 1 and a lower mold 6 positioned at the upper end of the base 1, pillars 2 fixed at four ends of the upper side of the base 1, a top seat 3 fixed at the upper side of the pillars 2, a hydraulic cylinder 4 penetrating through the middle part of the top seat 3, a balance plate 7 and an upper mold 5 matched with the lower mold 6 sequentially fixed at the driving end of the hydraulic cylinder 4, the balance plate 7 improving the stability of the upper mold 5 when moving, the end part of the balance plate 7 connected with the surfaces of the pillars 2 in a sliding manner, a heating plate arranged inside the upper mold 5, the balance plate 7 made of heat insulating material reducing upward diffusion of heat and improving the energy saving and emission reducing performance of the flat vulcanizing machine, a mold cavity 601 arranged on the surface of the lower mold 6, a top groove 13 penetrating through the lower end of the mold cavity 601, a cavity 101 arranged at the middle part of the base 1, a through groove 17 communicated with the top groove 13 arranged at the upper end of the cavity 101, the size of the top groove 13 is the same as that of the through groove 17, an electric telescopic rod 14 is arranged in the cavity 101, a top plate 15 matched with the top groove 13 is fixedly connected to the driving end of the electric telescopic rod 14, and a sealing ring 16 is fixedly connected to the periphery of the outer side of the top plate 15;
during the use of the vulcanizing machine, firstly, the electric telescopic rod 14 is controlled to work, the electric telescopic rod 14 drives the top plate 15 to move towards the inside of the top groove 13, so that the bottom side of the mold cavity 601 is kept horizontal, and meanwhile, the use of the sealing ring 16 is matched, so that a gap is prevented from being generated between the top plate 15 and the top groove 13, meanwhile, the sealing ring 16 is made of a high-temperature-resistant material and has enhanced wear resistance, then, a product to be desulfurized is placed into the mold cavity 601, then, the heating plate in the upper mold 5 is controlled to work, meanwhile, the hydraulic cylinder 4 is controlled to drive the balance plate 7 and the upper mold 5 to move downwards, the product is subjected to pressing desulfurization operation in cooperation with the use of the lower mold 6, after the desulfurization is completed, the hydraulic cylinder 4 drives the upper mold 5 to move upwards to reset, then, the electric telescopic rod 14 is controlled to work, the electric telescopic rod 14 drives the top plate 15 to move upwards, and simultaneously, the product in the mold cavity 601 is ejected out, so that the automatic demolding operation of the desulfurized product is realized, the operation is simple, and the scald of an operator is prevented.
As shown in fig. 1 and fig. 3, in the embodiment, sliding grooves 8 are symmetrically formed in the upper surface of the base 1, a sliding block 12 adapted to the sliding grooves 8 is fixedly connected to the lower side of the lower mold 6, each side surface of the sliding block 12 is of a damping structure, the sliding block 12 and the sliding grooves 8 are of a dovetail structure adapted to each other, and the connection stability between the lower mold 6 and the base 1 is improved;
drive roof 15 through electric telescopic handle 14 and remove in toward cavity 101, then promote bed die 6 through the cooperation of slider 12 and spout 8 and slide on the surface of base 1, and then realize the dismantlement between bed die 6 and the base 1, easy operation is convenient for to the change of bed die 6, improves the life of desulfurization machine.
As shown in fig. 2 and 5, in the embodiment, a gas collecting box 9 is fixedly connected to one side of a base 1 through a support block, a gas purifier 10 is arranged at one end of the upper side of a top seat 3, a conduit 11 is communicated between the gas collecting box 9 and the gas purifier 10, the gas collecting box 9 comprises a negative pressure fan, the inner upper end of the negative pressure fan is communicated with the conduit 11, the gas collecting box 9 further comprises gas collecting holes 18, the upper end of the gas collecting hole 18 is equidistantly arranged near the upper end of one side of the base 1, and a dustproof screen plate is arranged on one side wall of the inside of the gas collecting box 9, which is near the gas collecting hole 18;
when the desulfurization machine is used, the negative pressure fan in the gas collection box 9 is controlled to work, and the irritant gas generated during the desulfurization of the product is guided into the gas purifier 10 through the gas collection hole 18 and the guide pipe 11 by the gas collection box 9 through the negative pressure fan to be purified, so that the working environment quality of an operator is improved.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a vulcanizing system of vulcanizing press, includes base (1) and lower mould (6) that are located base (1) upper end, and lower mould (6) surface is equipped with mould cavity (601), its characterized in that: mould chamber (601) lower extreme runs through there is top groove (13), the middle part of base (1) is equipped with cavity (101), cavity (101) upper end is equipped with logical groove (17) with top groove (13) intercommunication, cavity (101) inside is equipped with electric telescopic handle (14), electric telescopic handle (14) drive end rigid coupling have with top roof (15) of groove (13) adaptation, and the peripheral rigid coupling in the roof (15) outside has sealing washer (16).
2. A vulcanizing system of a press vulcanizer according to claim 1, wherein: the upper side surface of the base (1) is symmetrically provided with sliding grooves (8), the lower side of the lower die (6) is fixedly connected with a sliding block (12) matched with the sliding grooves (8), and each side surface of the sliding block (12) is of a damping structure.
3. A vulcanizing system of a press vulcanizer according to claim 2, wherein: the sliding block (12) and the sliding groove (8) are both in a dovetail structure matched with each other.
4. A vulcanizing system of a press vulcanizer according to claim 1, wherein: still include base (1) upside four ends equal fixed pillar (2), pillar (2) upside rigid coupling has footstock (3), footstock (3) middle part is run through and is had pneumatic cylinder (4), pneumatic cylinder (4) drive end rigid coupling in proper order have balance plate (7) and with last mould (5) of bed die (6) adaptation, the tip and a plurality of pillar (2) surface sliding connection of balance plate (7).
5. The vulcanization system of a press vulcanizer according to claim 4, wherein: one side of the base (1) is fixedly connected with a gas collecting box (9) through a supporting block, one end of the upper side of the top seat (3) is provided with a gas purifier (10), and a conduit (11) is communicated between the gas collecting box (9) and the gas purifier (10).
6. A vulcanizing system of a press vulcanizer according to claim 5, wherein: the gas collection box (9) comprises a negative pressure fan, the inner upper end of which is communicated with the guide pipe (11).
7. A vulcanizing system of a press vulcanizer according to claim 6, wherein: the gas collection box (9) further comprises gas collection holes (18) which are arranged at equal intervals at the upper end of one side, close to the base (1), of the gas collection box, and a dustproof screen plate is arranged on one side wall, close to the gas collection holes (18), in the gas collection box (9).
8. The vulcanization system of a press vulcanizer according to claim 4, wherein: the heating plate is arranged inside the upper die (5), and the balance plate (7) is made of heat insulation materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985809.4A CN113681787A (en) | 2021-08-26 | 2021-08-26 | Vulcanizing system of flat vulcanizing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110985809.4A CN113681787A (en) | 2021-08-26 | 2021-08-26 | Vulcanizing system of flat vulcanizing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113681787A true CN113681787A (en) | 2021-11-23 |
Family
ID=78582725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110985809.4A Withdrawn CN113681787A (en) | 2021-08-26 | 2021-08-26 | Vulcanizing system of flat vulcanizing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113681787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625856A (en) * | 2022-09-02 | 2023-01-20 | 广东贝洛新材料科技有限公司 | Equipment and method for rapid prototyping of square conveyor belts |
-
2021
- 2021-08-26 CN CN202110985809.4A patent/CN113681787A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625856A (en) * | 2022-09-02 | 2023-01-20 | 广东贝洛新材料科技有限公司 | Equipment and method for rapid prototyping of square conveyor belts |
| CN115625856B (en) * | 2022-09-02 | 2025-11-11 | 广东贝洛新材料科技有限公司 | Rapid forming equipment and method for square conveyor belt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112091055A (en) | Circular valve block blanking, collection, integrated equipment of polishing | |
| CN117984495A (en) | A forming and processing system for elastic shock-absorbing gaskets of locomotive track bed | |
| CN113681787A (en) | Vulcanizing system of flat vulcanizing machine | |
| CN114889028A (en) | Drum brake block hot briquetting mould | |
| CN208343108U (en) | A kind of disposable extrusion molding dies of graphite crucible | |
| CN210525607U (en) | Rubber vulcanization device for chemical engineering | |
| CN213166610U (en) | Injection mold is used in plastic product production | |
| CN209158695U (en) | A flat vulcanizing machine | |
| CN211615963U (en) | A carbon brick vibration forming machine | |
| CN205466696U (en) | Cylindric full automatic press of nai firebrick mould and hydraulic automatic tile press | |
| CN118636453A (en) | An environmentally friendly automobile interior parts processing equipment | |
| CN209240325U (en) | A kind of automatic die sinking type vulcanization forming machine | |
| CN215661341U (en) | Die release mechanism of special oil seal vulcanizing machine | |
| CN217494874U (en) | Vulcanizer drawing of patterns discharging device | |
| CN112428494A (en) | Plastic injection mold with efficient heat dissipation function | |
| CN115026985B (en) | Antibiotic shutoff plug forming device | |
| CN207465677U (en) | A kind of sulfidization molding system | |
| CN218700744U (en) | Diaphragm production mould | |
| CN213830147U (en) | Injection mold easy to demould | |
| CN211710127U (en) | Novel tablet pressing mechanism of tablet press | |
| CN111844558B (en) | Production mold of rubber product and method for preparing rubber product | |
| CN200997869Y (en) | Vertical type whitethorn cake forming machine | |
| CN217290098U (en) | Adjustable mold template base | |
| CN222115817U (en) | A sealing ring forming mold | |
| CN215472489U (en) | Transfer machine capable of saving raw materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211123 |