CN113339595A - Heat-insulating connector for air-conditioning ventilation pipe - Google Patents
Heat-insulating connector for air-conditioning ventilation pipe Download PDFInfo
- Publication number
- CN113339595A CN113339595A CN202110537113.5A CN202110537113A CN113339595A CN 113339595 A CN113339595 A CN 113339595A CN 202110537113 A CN202110537113 A CN 202110537113A CN 113339595 A CN113339595 A CN 113339595A
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- China
- Prior art keywords
- heat
- insulation
- face
- fixedly connected
- heat preservation
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Duct Arrangements (AREA)
Abstract
The invention discloses an air conditioner ventilation pipe heat preservation interface in the technical field of air conditioner ventilation pipelines, which comprises a heat preservation joint body, wherein the front end surface and the rear end surface of the heat preservation joint body are provided with connecting cavities, the inner wall of each connecting cavity is bonded with a heat preservation layer, the inner wall of each heat preservation layer is provided with an inner heat preservation joint, the upper end surface and the lower end surface of each inner heat preservation joint are fixedly connected with connecting columns, and the outer end surface of each connecting column is fixedly connected to the inner wall of each connecting cavity.
Description
Technical Field
The invention relates to the technical field of air conditioner ventilation ducts, in particular to a heat-insulating connector of an air conditioner ventilation duct.
Background
The air-conditioning ventilation pipe is a novel pipeline which is mainly made of metal materials, comprises galvanized plates, stainless steel, copper, aluminum and the like, is mainly used in ventilation systems in the air-conditioning industry, is widely applied to occasions such as families, buildings, factories, ships, large markets and the like, and is used for transmitting cold air or hot air flow.
The problem that the heat preservation joint does not preserve heat exists in the prior art, the phenomenon that the temperature difference loss of air is large when the heat preservation joint is ventilated is caused, and finally the heat preservation joint does not preserve heat.
The problem that the heat preservation connects the filter to dismantle exists among the prior art, can cause when dismantling the filter, need spend the phenomenon of longer time installing and dismantling, leads to the workman to waste time and energy the result at last.
Accordingly, one skilled in the art provides an air conditioning vent insulation interface that solves the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a heat-insulating interface of an air conditioner ventilating pipe, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention discloses an air conditioner ventilation pipe heat preservation interface, which comprises a heat preservation joint body, wherein connection cavities are formed in the front end surface and the rear end surface of the heat preservation joint body, a heat preservation layer is bonded on the inner wall of each connection cavity, an inner heat preservation joint is arranged on the inner wall of each heat preservation layer, connection columns are fixedly connected to the upper end surface and the lower end surface of each inner heat preservation joint, and the outer end surface of each connection column is fixedly connected to the inner wall of each connection cavity.
As a further scheme of the invention: the front end surface of the heat-insulating joint body is provided with two connecting grooves, the outer end surface of each connecting groove is provided with a compression groove, the inner end surface of the compression groove is fixedly connected with a compression spring, the outer end of the compression spring is fixedly connected with a second buckle, a filter plate is arranged in front of the heat-preservation joint body, both sides of the rear end surface of the filter plate are fixedly connected with first buckles, the outer end of the first buckle is provided with a clamping groove which is provided with a connecting groove, a compression spring, a second buckle, a filter plate, a first buckle and a clamping groove, the first buckle on the filter plate can be clamped into the connecting groove, the first buckle is contacted with the second buckle to compress the compression spring, the filter plate is installed when the second buckle is clamped into the clamping groove, and the effects that the air can be filtered and the filter plate can be conveniently installed and detached when the air ventilation of the inner heat-preservation joint is achieved.
As a still further scheme of the invention: the heat preservation connects equal fixedly connected with go-between in outer terminal surface both sides of body, first screw has been seted up to the go-between both sides, every first screw inboard is provided with first bolt, is provided with go-between, first screw and first bolt and can accomplishes the action of carrying out fixed connection with two heat preservation joint bodies, has reached and has carried out elongated effect to the heat preservation joint body.
As a still further scheme of the invention: the standing groove has all been seted up to the insulation joint body both sides, terminal surface fixedly connected with sealing strip in the standing groove is provided with standing groove and sealing strip and can reaches the sealed effect when connecting two insulation joint bodies, the phenomenon that the air was revealed can not appear.
As a still further scheme of the invention: the heat-insulation connector comprises a heat-insulation connector body, and is characterized in that a ceiling is arranged above the heat-insulation connector body, an upper connecting block is fixedly connected to the lower end face of the ceiling, clamping grooves are formed in two sides of the upper connecting block, a second screw hole is formed in the lower end face of the upper connecting block, a second bolt is arranged below the second screw hole, a hanging column is fixedly connected to the upper end face of the heat-insulation connector body, a clamping block is fixedly connected to the upper end face of the hanging column, a third screw hole is formed in the upper end face of the clamping block in a penetrating mode, the ceiling, the upper connecting block, the clamping grooves, the second screw hole, the second bolt, the hanging column, the clamping block and the third screw hole are arranged, the second bolt can be firstly fixed through the third screw hole and then the second screw hole, and then the clamping block and the clamping grooves are fixedly connected, and the effect that the heat-insulation connector can be lifted is achieved.
As a still further scheme of the invention: the length of interior heat preservation connects is less than the length of heat preservation connects the body, the length of heat preservation is less than the length of interior heat preservation connects, ensures that the spliced pole can be complete carry out fixed connection's effect with interior heat preservation connects with the heat preservation connects the body.
As a still further scheme of the invention: the interior insulation joint has seted up the ventilation cavity in, the air intake has been seted up to interior insulation joint left end face, the air outlet has been seted up to interior insulation joint right-hand member face, ensures the effect that the air circulates in interior insulation joint.
As a still further scheme of the invention: the size of the first buckle is smaller than that of the connecting groove, so that the phenomenon of interference cannot occur when the first buckle is clamped into the connecting groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the connecting cavities are formed on the front end surface and the rear end surface of the heat-insulation joint body, the heat-insulation layer is bonded on the inner wall of the connecting cavities, the inner heat-insulation joint is arranged on the inner wall of the heat-insulation layer, and the connecting columns are fixedly connected with the upper end surface and the lower end surface of the inner heat-insulation joint, so that the heat-insulation action of the ventilating duct can be achieved when hot air or cold air circulates, the problem that the heat-insulation joint is not heat-insulated is solved, the heat-insulation effect of the ventilating duct can be achieved when hot air or cold air circulates, and the connecting columns can achieve the effect that the inner heat-insulation joint is fixedly connected with the inner wall of the heat-insulation joint body so as not to fall off.
2. According to the invention, the connecting groove is formed in the front end face of the heat-insulation joint body, the connecting grooves are formed in two, the compression groove is formed in the outer end face of each connecting groove, the compression spring is fixedly connected to the inner end face of each compression groove, the second buckle is fixedly connected to the outer end of the compression spring, the filter plate is arranged in front of the heat-insulation joint body, the first buckle is fixedly connected to the two sides of the rear end face of the filter plate, the clamping groove is formed in the outer end of the first buckle, the first buckle on the filter plate is clamped into the connecting groove, the first buckle is in contact with the second buckle to compress the compression spring, the problem of disassembling of the heat-insulation joint filter plate is solved, and the effects of filtering air and convenient installation and disassembly of the filter plate during ventilation of the heat-insulation joint are achieved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic cross-sectional view of the insulating layer according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3 at B according to the present invention;
FIG. 5 is a schematic cross-sectional view of a vent cavity according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention;
FIG. 7 is an enlarged view of FIG. 5 at D in accordance with the present invention;
FIG. 8 is an enlarged view of FIG. 5 at E according to the present invention;
FIG. 9 is a schematic cross-sectional view of a third screw hole of the present invention.
In the figure: 1. a thermal insulation joint body; 2. a connecting cavity; 3. a heat-insulating layer; 4. an internal insulation joint; 5. connecting columns; 6. a connecting ring; 7. a first screw hole; 8. a first bolt; 9. a ceiling; 10. a suspension post; 11. a second bolt; 12. an upper connecting block; 13. a card slot; 14. a second screw hole; 15. an air inlet; 16. a ventilation cavity; 17. an air outlet; 18. a filter plate; 19. a first buckle; 20. a clamping groove; 21. connecting grooves; 22. a compression groove; 23. a compression spring; 24. a second buckle; 25. a placement groove; 26. a sealing strip; 27. a clamping block; 28. and a third screw hole.
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.
Referring to fig. 1 to 9, in the embodiment of the invention, an air conditioner ventilation pipe heat preservation interface comprises a heat preservation joint body 1, wherein connection cavities 2 are formed in the front end face and the rear end face of the heat preservation joint body 1, a heat preservation layer 3 is bonded on the inner wall of each connection cavity 2, an inner heat preservation joint 4 is arranged on the inner wall of each heat preservation joint 3, connecting columns 5 are fixedly connected to the upper end face and the lower end face of each inner heat preservation joint 4, and the outer end face of each connecting column 5 is fixedly connected to the inner wall of each connection cavity 2.
Wherein, spread groove 21 has been seted up to the terminal surface before the heat preservation connects body 1, spread groove 21 has been seted up two, compression groove 22 has been seted up to the outer terminal surface of every spread groove 21, terminal surface fixedly connected with compression spring 23 in compression groove 22, compression spring 23 outer end fixedly connected with second buckle 24, heat preservation connects body 1 the place ahead and is provided with filter 18, the equal first buckle 19 of fixedly connected with in filter 18 rear end face both sides, chucking groove 20 has been seted up to first buckle 19 outer end, be provided with spread groove 21, compression groove 22, compression spring 23, second buckle 24, filter 18, first buckle 19 and chucking groove 20 can be accomplished and block into spread groove 21 with first buckle 19 on filter 18, first buckle 19 compresses compression spring 23 with second buckle 24 contact, it is good to be about filter 18 to block into chucking groove 20, the effect that can carry out the filterable effect to air when having reached including heat preservation connects 4 ventilation and carry out easy to install and dismantle filter 18 effect (ii) a
The two sides of the outer end surface of the heat-insulation connector body 1 are fixedly connected with the connecting rings 6, the two sides of each connecting ring 6 are provided with the first screw holes 7, the inner side of each first screw hole 7 is provided with the first bolt 8, and the connecting rings 6, the first screw holes 7 and the first bolts 8 can finish the action of fixedly connecting the two heat-insulation connector bodies 1, so that the effect of lengthening the heat-insulation connector bodies 1 is achieved;
the two sides of the heat-insulation connector body 1 are respectively provided with a placing groove 25, the inner end face of each placing groove 25 is fixedly connected with a sealing strip 26, the placing grooves 25 and the sealing strips 26 are arranged, the effect of sealing when the two heat-insulation connector bodies 1 are connected can be achieved, and the phenomenon of air leakage can not occur;
a ceiling 9 is arranged above the heat-insulation connector body 1, the lower end face of the ceiling 9 is fixedly connected with an upper connecting block 12, clamping grooves 13 are formed in two sides of the upper connecting block 12, a second screw hole 14 is formed in the lower end face of the upper connecting block 12, a second bolt 11 is arranged below the second screw hole 14, a suspension column 10 is fixedly connected to the upper end face of the heat-insulation connector body 1, a clamping block 27 is fixedly connected to the upper end face of the suspension column 10, a third screw hole 28 is formed in the upper end face of the clamping block 27 in a penetrating manner, the ceiling 9, the upper connecting block 12, the clamping grooves 13, the second screw hole 14, the second bolt 11, the suspension column 10, the clamping block 27 and the third screw hole 28 can finish the action of fixedly connecting the clamping block 27 and the clamping grooves 13 by enabling the second bolt 11 to pass through the third screw hole 28 and then through the second screw hole 14, and the effect of lifting the heat-insulation connector is achieved;
the length of the inner heat-insulation joint 4 is smaller than that of the heat-insulation joint body 1, the length of the heat-insulation layer 3 is smaller than that of the inner heat-insulation joint 4, and the effect that the connecting column 5 can completely and fixedly connect the inner heat-insulation joint 4 with the heat-insulation joint body 1 is ensured;
a ventilation cavity 16 is formed in the inner heat-insulation joint 4, an air inlet 15 is formed in the left end face of the inner heat-insulation joint 4, an air outlet 17 is formed in the right end face of the inner heat-insulation joint 4, and therefore the effect of air circulation in the inner heat-insulation joint 4 is guaranteed;
the size of the first catch 19 is smaller than that of the connecting groove 21, so that the interference phenomenon can not occur when the first catch 19 is caught in the connecting groove 21.
The working principle of the invention is as follows: when the heat-insulating joint body 1 is installed, the heat-insulating layer 3 is adhered to the inner wall of the connecting cavity 2, the inner heat-insulating joint 4 is adhered to the inner wall of the heat-insulating layer 3, the connecting column 5 and the heat-insulating joint body 1 are welded with the inner heat-insulating joint 4, the lower end face of the ceiling 9 is fixedly connected with the upper connecting block 12, two sides of the upper connecting block 12 are provided with clamping grooves 13, the lower end face of the upper connecting block 12 is provided with a second screw hole 14, a second bolt 11 is arranged below the second screw hole 14, the upper end face of the heat-insulating joint body 1 is fixedly connected with the suspension column 10, the upper end face of the suspension column 10 is fixedly connected with a clamping block 27, the upper end face of the clamping block 27 is provided with a third screw hole 28 in a penetrating manner, the clamping block 27 is clamped into the clamping grooves 13, the third screw hole 28 and the second bolt 11 are locked with the second screw hole 14, so that the ventilating duct is hung on the ceiling 9, and then the filtering plate 18 is installed, with first buckle 19 card on the filter 18 in spread groove 21, first buckle 19 compresses compression spring 23 with the contact of second buckle 24, second buckle 24 card advances in card tight groove 20, filter 18 at this moment is installed promptly, installation filter 18 has reached including can carry out filterable effect and carry out easy to assemble and dismantlement effect to filter 18 to the air when heat preservation connects 4 ventilations, then, through the equal fixedly connected with go-between 6 in the outer terminal surface both sides of heat preservation joint body 1, first screw 7 has been seted up to go-between 6 both sides, 7 inboards in every first screw are provided with first bolt 8, lock first bolt 8 in first screw 7, can accomplish the action of carrying out fixed connection with two heat preservation joint bodies 1, reached and carried out elongated effect to heat preservation joint body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides an air conditioner ventilation pipe heat preservation interface, includes heat preservation joint body (1), its characterized in that: connection chamber (2) have been seted up to terminal surface around heat preservation connects body (1), connection chamber (2) inner wall bonds has heat preservation (3), heat preservation (3) inner wall is provided with interior heat preservation and connects (4), the equal fixedly connected with spliced pole (5) of both ends face about interior heat preservation connects (4), every the outer terminal surface fixed connection of spliced pole (5) is in connect on chamber (2) inner wall.
2. An air conditioner vent insulation interface as claimed in claim 1, wherein: the heat-insulation connector is characterized in that a connecting groove (21) is formed in the front end face of the heat-insulation connector body (1), two connecting grooves (21) are formed in the connecting groove (21), a compression groove (22) is formed in the outer end face of the connecting groove (21), a compression spring (23) is fixedly connected to the inner end face of the compression groove (22), a second buckle (24) is fixedly connected to the outer end of the compression spring (23), a filter plate (18) is arranged in front of the heat-insulation connector body (1), first buckles (19) are fixedly connected to the two sides of the rear end face of the filter plate (18), and clamping grooves (20) are formed in the outer end of the first buckles (19).
3. An air conditioner vent insulation interface as claimed in claim 1, wherein: the heat-insulation connector comprises a heat-insulation connector body (1), wherein connecting rings (6) are fixedly connected to two sides of the outer end face of the heat-insulation connector body (1), first screw holes (7) are formed in two sides of each connecting ring (6), and a first bolt (8) is arranged on the inner side of each first screw hole (7).
4. An air conditioner vent insulation interface as claimed in claim 1, wherein: the heat-insulation connector is characterized in that placing grooves (25) are formed in two sides of the heat-insulation connector body (1), and sealing strips (26) are fixedly connected to inner end faces of the placing grooves (25).
5. An air conditioner vent insulation interface as claimed in claim 1, wherein: the heat-insulation connector is characterized in that a ceiling (9) is arranged above the heat-insulation connector body (1), a connecting block (12) is fixedly connected to the lower end face of the ceiling (9), clamping grooves (13) are formed in two sides of the connecting block (12), a second screw hole (14) is formed in the lower end face of the connecting block (12), a second bolt (11) is arranged below the second screw hole (14), a heat-insulation connector body (1) is fixedly connected to the upper end face of a suspension column (10), a clamping block (27) is fixedly connected to the upper end face of the suspension column (10), and a third screw hole (28) is formed in the upper end face of the clamping block (27) in a penetrating mode.
6. An air conditioner vent insulation interface as claimed in claim 1, wherein: the length of the inner heat-insulation joint (4) is smaller than that of the heat-insulation joint body (1), and the length of the heat-insulation layer (3) is smaller than that of the inner heat-insulation joint (4).
7. An air conditioner vent insulation interface as claimed in claim 1, wherein: a ventilation cavity (16) is formed in the inner heat-insulation joint (4), an air inlet (15) is formed in the left end face of the inner heat-insulation joint (4), and an air outlet (17) is formed in the right end face of the inner heat-insulation joint (4).
8. An air conditioner vent insulation interface as claimed in claim 2, wherein: the size of the first buckle (19) is smaller than that of the connecting groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537113.5A CN113339595A (en) | 2021-05-18 | 2021-05-18 | Heat-insulating connector for air-conditioning ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537113.5A CN113339595A (en) | 2021-05-18 | 2021-05-18 | Heat-insulating connector for air-conditioning ventilation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339595A true CN113339595A (en) | 2021-09-03 |
Family
ID=77469085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110537113.5A Withdrawn CN113339595A (en) | 2021-05-18 | 2021-05-18 | Heat-insulating connector for air-conditioning ventilation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113339595A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700950A (en) * | 2021-09-10 | 2021-11-26 | 江阴市维沃保温材料有限公司 | Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume |
| CN114165649A (en) * | 2021-12-02 | 2022-03-11 | 江苏盈达机电科技有限公司 | Heat insulation structure of air conditioner ventilating pipeline |
-
2021
- 2021-05-18 CN CN202110537113.5A patent/CN113339595A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113700950A (en) * | 2021-09-10 | 2021-11-26 | 江阴市维沃保温材料有限公司 | Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume |
| CN113700950B (en) * | 2021-09-10 | 2022-12-27 | 江阴市维沃保温材料有限公司 | Based on assembled steel is thermal-insulated prevents tuber pipe plate structure of discharging fume |
| CN114165649A (en) * | 2021-12-02 | 2022-03-11 | 江苏盈达机电科技有限公司 | Heat insulation structure of air conditioner ventilating pipeline |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210903 |