CN115262521A - Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach - Google Patents
Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach Download PDFInfo
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- CN115262521A CN115262521A CN202211010262.7A CN202211010262A CN115262521A CN 115262521 A CN115262521 A CN 115262521A CN 202211010262 A CN202211010262 A CN 202211010262A CN 115262521 A CN115262521 A CN 115262521A
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- sand
- layer
- fixing
- consumption
- fixing layer
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
- E02B3/102—Permanently installed raisable dykes
- E02B3/104—Permanently installed raisable dykes with self-activating means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/121—Devices for applying linings on banks or the water bottom
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Oceanography (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to the technical field of beach protection, in particular to a green, full-automatic, efficient and low-consumption flexible sand beach sand fixation protective body which comprises a fixed layer, wherein a sand fixation layer is hinged above the fixed layer through a plurality of connecting pieces, a tidal generator is fixedly connected to the side wall of the sand fixation layer, and the tidal generator is electrically connected with the sand fixation layer. The invention can achieve the purpose of protecting the beach by a low energy consumption mode.
Description
Technical Field
The invention relates to the technical field of beach protection, in particular to a green, full-automatic, efficient and low-consumption flexible sand beach sand stabilization protector.
Background
Sea wave erosion can cause the beach to be continuously reduced, the sea gradually approaches to the land, and the life and property safety of coastal buildings and coastal people are threatened, which is a potential hidden danger which cannot be ignored in coastal areas. Therefore, the repair and protection of the damaged beach are significant.
The existing coastal sand stabilization measures comprise hard measures such as building beach protection and shallow embankment, and soft measures such as artificial sand filling and beach maintenance. The implementation of hard measures may further destroy the ecological environment, and cannot fundamentally solve the problems of coarsening of beach sand grains and ecological destruction. Meanwhile, the soft measure of manual sand filling is high in labor cost, sand is easily washed away by sea waves again, and in addition, the manual sand filling is greatly influenced by environmental factors and is high in construction difficulty. Besides high labor cost and great construction difficulty of manual sand filling, the gradation of the filled sand also needs to be adjusted according to the environments of different beaches, and the sand filling cost is increased again because a test needs to be prepared in advance. Although the measures can relieve the problem of sand coarsening of the sandy beach to a certain extent, the defects of secondary environment damage, high energy consumption, low economic benefit and the like in artificial participation are also obvious, so that a green, full-automatic, efficient and low-energy-consumption sandy beach sand stabilization flexible protective body is urgently needed to solve the problem.
Disclosure of Invention
The invention aims to provide a green, full-automatic, efficient and low-consumption flexible sand-fixing protector for a sandy beach, which is used for solving the problems and achieving the purpose of protecting the beach in a low-energy consumption mode.
In order to achieve the purpose, the invention provides the following scheme: the utility model provides a flexible protection body of sand matter beach sand stabilization of green full-automatic high-efficient low consumption, includes the fixed bed, the fixed bed top articulates through a plurality of connecting pieces has sand stabilization layer, the preceding lateral wall rigid coupling of sand stabilization layer has tidal generator, tidal generator with sand stabilization layer electric connection.
Preferably, the fixing layer is made of an electric type shape memory polymer, the fixing layer is of a plane structure when not electrified, and the fixing layer is changed into a wave structure after being electrified and under the action of sea waves.
Preferably, a plurality of pores are formed in the surface of the fixing layer, the pores penetrate through the fixing layer, and the pores are arranged in a matrix manner.
Preferably, the connecting piece includes the bracing piece, bracing piece both ends respectively through the hinge with fixed layer with the sand fixation layer is articulated.
Preferably, the front end of the sand consolidation layer is of a semicircular structure, and the tidal power generator is installed at the front end of the sand consolidation layer.
Preferably, the surfaces of the fixing layer, the sand fixing layer, the supporting rod, the hinge and the tidal power generator are coated with graphene coatings.
The invention has the following technical effects:
(1) Uniqueness of property
At present, a mode of fixing sand by using a double-layer net film-shaped flexible protective body is not provided at home, time and labor are wasted mainly by artificial sand filling, dam building and the like, the protective body is made of a special electro-shape memory polymer material, the whole protective body has rigidity and flexibility, can be perfectly attached to a sandy beach, fixes sand by means of impact force generated when sea waves come, can resist the sea waves, works for a long time, and further improves the sand fixing effect by the design of a double-layer structure, so that the protective body is quite novel.
(1) Full-automatic
The existing sand filling and beach protecting modes on the market at present can not be completely separated from manual work, the economic benefit is low, the device provides power by means of impact force when sea waves come, the whole device can automatically enter a working state when the sea waves come, sand is fixed by utilizing the impact force of the sea waves, when the sea waves retreat, the device can relieve the working state again, the original appearance is restored, compared with the prior art, the mode is separated from the limitation of manual operation, the manpower is liberated, and the economic benefit is improved.
(3) Precision and high efficiency
The tidal power generator is arranged at the most front end of the device, the whole 'net' (sand fixing layer) is activated by the impact force of sea waves, when the sea waves come, the device can quickly react to enter a working state through electric conduction, and when the sea waves come off, the sand fixing layer is restored to the original state, so that the device is very efficient, and the defect of delay of a traditional manual sand filling mode is overcome. The whole device is arranged at a fixed point of a beach, and the net-like film structure covers a certain space, so that the sandy beach can be protected more accurately to fix sand.
(4) Ecological property of green
The double-layer structure of the device has little influence on the ecological environment of the beach. The upper sand fixing layer has flexibility, the upper protection body can be closely combined with fine sand along with the breath of the beach, the upper protection body moves along with the fine sand under the washing of sea waves, the lower fixing layer not only holds the fine sand, but also separates the fine sand layer and the benthonic organism moving layer, the living activity spaces of the fine sand layer and the benthonic organism moving layer are ensured, the influence of artificial sand fixing on the beach is reduced, and the power of the flexible protection body is derived from tidal power generation and accords with the standard of green ecology better.
(5) Sustainability
This double-deck soft protective body to sandy beach not only influences lessly ecological environment, adopts the front end streamline type in the structure moreover, and graphite alkene coating connects designs such as rotatable hinge and tidal power generation, can support the device and resist the wave, increases the steadiness. Meanwhile, due to the existence of the lower layer structure, the original benthos is not easy to damage the protective body, so that long-term sand fixation can be carried out, compared with the traditional time-consuming and labor-consuming mode, the method has the advantages that the manpower is liberated, the cost is reduced, the problem of fine sand loss of the sandy beach is fundamentally solved, and the sustainability is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, 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 that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a sand-fixing layer structure after the wave impacts the whole device;
FIG. 3 is a schematic structural diagram of a sand fixing layer after the sea waves do not impact the whole device;
FIG. 4 is a schematic view of the sand consolidation layer and tidal power generator combination of the present invention;
FIG. 5 is a schematic structural view of the support rod of the present invention when it is not impacted by sea waves;
FIG. 6 is a schematic structural diagram of a supporting rod of the present invention when it is impacted by sea waves;
wherein, 1, the tidal generator; 2. fixing a sand layer; 3. a connecting member; 4. a fixed layer; 8. a support bar; 9. and (4) a hinge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
Referring to fig. 1-6, the embodiment provides a green, full-automatic, efficient and low-consumption flexible sand stabilization protector for sandy beach, which comprises a fixed layer 4, a sand stabilization layer 2 is hinged above the fixed layer 4 through a plurality of connecting pieces 3, a tidal power generator 1 is fixedly connected to the front side wall of the sand stabilization layer 2, and the tidal power generator 1 is electrically connected with the sand stabilization layer 2. Fixed bed 4 buries in husky layer below, specifically be located the interface department of thin husky layer and biological movable layer, connecting piece 3 stretches out to husky layer top, play the effect of supporting sand fixation layer 2, sand fixation layer 2 lower surface and the laminating of husky layer surface, when the wave strikes the integrated device, tidal generator 1 produces the electric energy under the wave effect, and give sand fixation layer 2 with the electric energy transport, sand fixation layer 2 flexibilizes rapidly, produce deformation under the wave exogenic action, paste in husky layer surface, the change of sand fixation layer 2 shape drives connecting piece 3 and takes place to deflect, after sand fixation layer 2 pastes tight husky layer, prevent the impact of wave to husky layer, play the effect of sand fixation. The tidal generator 1 can be selected from an F50-12V type, the output voltage is 12V, and the output maximum current is more than or equal to 200mA.
According to the further optimized scheme, the fixed layer 4 is made of an electric-type shape memory polymer, the fixed layer 4 is of a plane-type structure when not electrified, and the action shape of sea waves after the fixed layer 4 is electrified is changed into a wave-shaped structure. The fixed bed 4 of wave structure can be fine laminating sand bed, the impact of square box wave to sand bed.
Shape memory polymers are smart materials that assume a temporary shape under an external force, but disappear under appropriate external stimuli (e.g., thermal, electrical, optical, chemical, mechanical, etc.) and the material returns to its original shape. In an electric field, current passes through a conductive network in the shape memory polymer to generate Joule heat, so that the temperature in the material is increased, and deformation recovery is triggered when the temperature is higher than the transition temperature, so that the shape memory effect is realized. Typical electro-type shape memory effect processes are (1) deformation. The temperature is raised to heat the polymer to a temperature above the transition temperature and the polymer deforms under the action of constant stress. And (2) fixing. Keeping the external stress unchanged, and reducing the temperature to freeze the stress and the deformation. And (3) unloading. And removing the external force and fixing the shape. And (4) recovering. And applying voltage to make the polymer conduct, and generating Joule heat by current passing through the internal conductive network to raise the temperature of the material to be above the transition temperature and recover the deformation. The electro-type shape memory effect is essentially an entropy phenomenon, the mechanism of which is substantially similar to that of the thermotropic shape memory. From the molecular level, molecular chains of the material in an initial state are not interfered by the outside, and the chain segments are randomly arranged, so that the entropy value is maximum; when the temperature is raised to enable the material to be above the transition temperature, the motion capability of the molecular chain is obviously enhanced, and under the action of external force, partial chain segments in the molecular chain are preferentially arranged along the direction of the force, so that the conformational entropy of the system is reduced, and at the moment, the material forms a temporary shape and has higher energy; when the material is below the transition temperature, the movement of the molecular chain is frozen, the external force is removed under a certain time scale, the orientation of the conformation of the molecular chain still exists, and the temporary shape is fixed; the voltage is applied to the material to enable the material to conduct electricity, the current generates Joule heat through a conductive network in the material, so that the temperature of the material rises above the transition temperature again, the movement capacity of a molecular chain is reactivated, and a molecular chain segment without external force automatically recovers to a maximum state of conformational entropy due to thermal movement. Specifically, the electroluminescent shape memory polymer may be a polyethylene vinyl acetate/poly (epsilon-caprolactone) binary blend, and the like, which are not described herein in detail in the prior art.
In a further optimized scheme, a plurality of pores are formed in the surface of the fixing layer 4, the pores penetrate through the fixing layer 4, and the pores are arranged in a matrix manner. The fixed layer 4 can isolate the fine sand layer and the biological activity layer and ensure that the ecological environment is not damaged.
Further optimization scheme, connecting piece 3 includes bracing piece 8, and 8 both ends of bracing piece are articulated with fixed bed 4 and sand stabilization layer 2 through hinge 9 respectively. The supporting rod 8 is exposed in seawater, and when the sea wave impacts the whole device, the upper hinge 9 rotates around the supporting rod 8, so that the lower surface of the sand fixing layer 2 is attached to the surface of the sand layer.
According to the further optimized scheme, the front end of the sand stabilization layer 4 is of a semicircular structure, and the tidal power generator 1 is installed at the front end of the sand stabilization layer 4. The front end of the sand fixing layer 4 with the semicircular structure can offset the impact force of dispersed sea waves and tides through a smooth streamline shape so as to enhance the stability of the device.
In a further optimized scheme, the surfaces of the fixed layer 4, the sand fixing layer 2, the supporting rod 8, the hinge 9 and the tidal power generator 1 are coated with graphene coatings. For improving rigidity, strength and corrosion resistance
The working process of the embodiment is as follows: the fixing layer 4 is buried below the sand layer to fix the whole device, the fixing layer 4 is the most rigid component in the whole device, the solid net-shaped material is used for forming a structure when the device is acted by sea waves, the sea waves impact the tidal power generator 1, the tidal power generator 1 rapidly generates power, current passes through the sand fixing layer 2, the sand fixing layer 2 is activated, the sand fixing layer 2 is enabled to be in a deformable state, the sand fixing layer 2 is enabled to deform as shown in a shape in figure 2 due to the external force action of the sea waves, the sand fixing layer 2 is rapidly made to be flexible, the beach sand layer is fixed by matching with the relative displacement of the hinge 9 above the supporting rod 8, the sand layer is pressed, the erosion of the sand layer caused by the waves is resisted, and the impact force of the waves is reduced.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. The utility model provides a flexible protection body of sand matter beach sand stabilization of green full-automatic high-efficient low consumption which characterized in that: including fixed bed (4), fixed bed (4) top articulates through a plurality of connecting pieces (3) has solid sand bed (2), solid sand bed (2) preceding lateral wall rigid coupling has tidal generator (1), tidal generator (1) with solid sand bed (2) electric connection.
2. The flexible sand-fixing protective body for the sandy beach, which is fully automatic, efficient and low in consumption, as claimed in claim 1, is characterized in that: the fixing layer (4) is made of an electric type shape memory polymer, the fixing layer (4) is of a plane type structure when not electrified, and the fixing layer (4) is changed into a wave-shaped structure after being electrified and under the action of sea waves.
3. The flexible sand-fixing protective body for the sandy beach, which is fully automatic, efficient and low in consumption, as claimed in claim 1, is characterized in that: the surface of the fixing layer (4) is provided with a plurality of pores, the pores penetrate through the fixing layer (4), and the pores are arranged in a matrix shape.
4. The flexible sand-fixing protective body for the sandy beach, which is fully automatic, efficient and low in consumption, as claimed in claim 1, is characterized in that: the connecting piece (3) comprises a supporting rod (8), and two ends of the supporting rod (8) are hinged to the fixed layer (4) and the sand fixing layer (2) through hinges (9) respectively.
5. The flexible sand-fixing protective body for the sandy beach, which is fully automatic, efficient and low in consumption, as claimed in claim 1, is characterized in that: the front end of the sand fixing layer (2) is of a semicircular structure, and the tidal power generator (1) is installed at the front end of the sand fixing layer (2).
6. The green, fully-automatic, efficient and low-consumption flexible sand-fixing protector for the sandy beach as claimed in claim 4, wherein the flexible sand-fixing protector comprises: the fixed layer (4), the sand fixing layer (2), the supporting rod (8), the hinge (9) and the surface of the tidal power generator (1) are coated with graphene coatings.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010262.7A CN115262521A (en) | 2022-08-23 | 2022-08-23 | Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach |
| PCT/CN2022/136118 WO2023124766A1 (en) | 2022-08-23 | 2022-12-02 | Environmentally-friendly fully-automatic high-efficiency low-consumption sandy-beach sand-securing flexible protective body |
| ZA2023/07482A ZA202307482B (en) | 2022-08-23 | 2023-07-27 | Green full-automatic sand-fixing flexible protector for sandy beaches with high efficiency and low consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211010262.7A CN115262521A (en) | 2022-08-23 | 2022-08-23 | Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115262521A true CN115262521A (en) | 2022-11-01 |
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ID=83752871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211010262.7A Withdrawn CN115262521A (en) | 2022-08-23 | 2022-08-23 | Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN115262521A (en) |
| WO (1) | WO2023124766A1 (en) |
| ZA (1) | ZA202307482B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124766A1 (en) * | 2022-08-23 | 2023-07-06 | 浙江水利水电学院 | Environmentally-friendly fully-automatic high-efficiency low-consumption sandy-beach sand-securing flexible protective body |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA717868B (en) * | 1971-02-08 | 1972-08-30 | Fmc Corp | Attenuation of water waves and control and utilization of wave-induced water movements |
| GB2332245A (en) * | 1997-12-12 | 1999-06-16 | John Trelawney Curtis | Wave calming power generator |
| CN109653934A (en) * | 2019-01-09 | 2019-04-19 | 东北电力大学 | A kind of dc generator using sandy beach seawave power generation |
| CN110117949B (en) * | 2019-05-15 | 2021-05-14 | 哈尔滨工业大学 | Intelligent flood control wall unit and intelligent flood control wall |
| CN211819778U (en) * | 2019-08-29 | 2020-10-30 | 北方环保有限公司 | Buried beach sea wave generator |
| CN115262521A (en) * | 2022-08-23 | 2022-11-01 | 浙江水利水电学院 | Green full-automatic high-efficiency low-consumption flexible protector for sand stabilization of sandy beach |
-
2022
- 2022-08-23 CN CN202211010262.7A patent/CN115262521A/en not_active Withdrawn
- 2022-12-02 WO PCT/CN2022/136118 patent/WO2023124766A1/en unknown
-
2023
- 2023-07-27 ZA ZA2023/07482A patent/ZA202307482B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124766A1 (en) * | 2022-08-23 | 2023-07-06 | 浙江水利水电学院 | Environmentally-friendly fully-automatic high-efficiency low-consumption sandy-beach sand-securing flexible protective body |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202307482B (en) | 2023-08-30 |
| WO2023124766A1 (en) | 2023-07-06 |
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Application publication date: 20221101 |
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