US20240023612A1 - Aerosol-generating device - Google Patents
Aerosol-generating device Download PDFInfo
- Publication number
- US20240023612A1 US20240023612A1 US18/024,232 US202218024232A US2024023612A1 US 20240023612 A1 US20240023612 A1 US 20240023612A1 US 202218024232 A US202218024232 A US 202218024232A US 2024023612 A1 US2024023612 A1 US 2024023612A1
- Authority
- US
- United States
- Prior art keywords
- wall
- cover
- aerosol
- generating device
- protrusion
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims abstract description 93
- 230000037431 insertion Effects 0.000 claims abstract description 93
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000000881 depressing effect Effects 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000000443 aerosol Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
- A24F40/46—Shape or structure of electric heating means
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/20—Devices using solid inhalable precursors
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An aerosol-generating device is disclosed. The aerosol-generating device of the disclosure includes a housing comprising an inner wall to define an insertion space therein and an outer wall surrounding an outer side of the inner wall to define a coil reception space formed between the inner wall and the outer wall, wherein each of the insertion space and the coil reception space have an opening at one side; a heating coil wound around the outer side of the inner wall and disposed in the coil reception space; and a cover configured to cover the opening of the coil reception space and comprising an insertion port allowing communication between the insertion space and an outside of the housing, wherein the cover comprises a sealing protrusion positioned between the opening of the insertion space and the opening of the coil reception space to press against the inner wall.
Description
- The present disclosure relates to an aerosol-generating device.
- An aerosol-generating device is a device that extracts certain components from a medium or a substance by forming an aerosol. The medium may contain a multicomponent substance. The substance contained in the medium may be a multicomponent flavoring substance. For example, the substance contained in the medium may include a nicotine component, an herbal component, and/or a coffee component. Recently, various researches on aerosol-generating devices have been conducted.
- It is an object of the present disclosure to solve the above and other problems.
- It is another object of the present disclosure to provide an aerosol-generating device capable of preventing air or external contaminants from entering a space in which a heating coil is disposed.
- It is still another object of the present disclosure to provide an aerosol-generating device capable of stably and simply coupling a structure configured to cover the space in which the heating coil is disposed.
- It is yet another object of the present disclosure to provide an aerosol-generating device including a structure configured to stably support a stick inserted into the aerosol-generating device.
- It is still yet another object of the present disclosure to provide an aerosol-generating device in which a flow path, through which air flows to a stick, and efficiency of flow of air are improved.
- In accordance with an aspect of the present disclosure for accomplishing the above objects, there is provided an aerosol-generating device including a housing comprising an inner wall to define an insertion space therein and an outer wall surrounding an outer side of the inner wall to define a coil reception space formed between the inner wall and the outer wall, wherein each of the insertion space and the coil reception space have an opening at one side; a heating coil wound around the outer side of the inner wall and disposed in the coil reception space; and a cover configured to cover the opening of the coil reception space and comprising an insertion port allowing communication between the insertion space and an outside of the housing, wherein the cover comprises a sealing protrusion positioned between the opening of the insertion space and the opening of the coil reception space to press against the inner wall.
- According to at least one of embodiments of the present disclosure, it is possible to provide an aerosol-generating device capable of preventing air or external contaminants from entering the space in which a heating coil is disposed.
- According to at least one of embodiments of the present disclosure, it is possible to provide an aerosol-generating device in which a structure configured to cover the space in which the heating coil is disposed is capable of being stably and simply coupled.
- According to at least one of embodiments of the present disclosure, it is possible to provide an aerosol-generating device including a structure configured to stably support a stick inserted into the aerosol-generating device.
- According to at least one of embodiments of the present disclosure, it is possible to provide an aerosol-generating device in which a flow path, through which air flows to a stick, and efficiency of flow of air are improved.
- Additional applications of the present disclosure will become apparent from the following detailed description. However, because various changes and modifications will be clearly understood by those skilled in the art within the spirit and scope of the present disclosure, it should be understood that the detailed description and specific embodiments, such as preferred embodiments of the present disclosure, are merely given by way of example.
- The above and other objects, features, and other advantages of the present disclosure will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
-
FIGS. 1 to 17 are views showing examples of an aerosol-generating device according to embodiments of the present disclosure. - Hereinafter, the embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, and the same or similar elements are denoted by the same reference numerals even though they are depicted in different drawings, and redundant descriptions thereof will be omitted.
- In the following description, with respect to constituent elements used in the following description, the suffixes “module” and “unit” are used only in consideration of facilitation of description, and do not have mutually distinguished meanings or functions.
- In addition, in the following description of the embodiments disclosed in the present specification, a detailed description of known functions and configurations incorporated herein will be omitted when the same may make the subject matter of the embodiments disclosed in the present specification rather unclear. In addition, the accompanying drawings are provided only for a better understanding of the embodiments disclosed in the present specification and are not intended to limit the technical ideas disclosed in the present specification. Therefore, it should be understood that the accompanying drawings include all modifications, equivalents, and substitutions within the scope and sprit of the present disclosure.
- It will be understood that although the terms “first”, “second”, etc., may be used herein to describe various components, these components should not be limited by these terms. These terms are only used to distinguish one component from another component.
- It will be understood that when a component is referred to as being “connected to” or “coupled to” another component, it may be directly connected to or coupled to another component, or intervening components may be present. On the other hand, when a component is referred to as being “directly connected to” or “directly coupled to” another component, there are no intervening components present.
- As used herein, the singular form is intended to include the plural forms as well, unless the context clearly indicates otherwise.
- Referring to
FIG. 1 , an aerosol-generatingdevice 100 according the present disclosure may include at least one of abattery 11, acontroller 12, asensor 13, acartridge 14, or aheating coil 15. At least one of thebattery 11, thecontroller 12, thesensor 13, thecartridge 14, or theheating coil 15 may be disposed in the aerosol-generatingdevice 100. - The
heating coil 15 may heat astick 200 inserted into the aerosol-generatingdevice 100. Theheating coil 15 may be disposed so as to surround an insertion space 24 (seeFIG. 3 ) into which thestick 200 is inserted. Theheating coil 15 may receive power from thebattery 11 to generate heat. Alternatively, theheating coil 15 may heat a susceptor disposed in the insertion space 24 (seeFIG. 3 ) by inducing a magnetic field in the susceptor. The susceptor may extend in the longitudinal direction of thestick 200, and may be disposed in thestick 200. When thestick 200 is inserted into the insertion space 24 (seeFIG. 3 ), the susceptor, which is disposed in thestick 200, is inserted into theinsertion space 24, and thus may be surrounded by theheating coil 15. - The
cartridge 14 may be replaceably disposed in the aerosol-generatingdevice 100. Thecartridge 14 may store liquid therein. Thecartridge 14 may heat the liquid stored therein to generate an aerosol. Thecartridge 14 may supply the aerosol, which is generated in thecartridge 14, to thestick 200 inserted into theinsertion space 24. - The
battery 11 may supply power required to drive the components of the aerosol-generatingdevice 100. Thebattery 11 may supply power to at least one of thecontroller 12, thesensor 13, or theheating coil 15. Thebattery 11 may supply power required to drive a display, a motor, and the like, which are mounted on the aerosol-generatingdevice 100. - The
controller 12 may control the overall operation of the aerosol-generatingdevice 100. Thecontroller 12 may control the operation of at least one of thebattery 11, theheating coil 15, thecartridge 14, or thesensor 13. Thecontroller 12 may check the state of the components of the aerosol-generatingdevice 100 in order to determine whether or not the aerosol-generatingdevice 100 is operable. - The
sensor 13 may sense the temperature of theheating coil 15. Thesensor 13 may be mounted adjacent to theheating coil 15. Thecontroller 12 may control the temperature of theheating coil 15 based on the temperature of theheating coil 15, sensed by thesensor 13. Thecontroller 12 may transmit information about the temperature of theheating coil 15 to a user through a user interface based on the temperature of theheating coil 15, which is sensed by thesensor 13. - Referring to
FIGS. 2 and 3 , a housing may include alower housing 10 and anupper housing 20. Theupper housing 20 may be disposed on thelower housing 10. At least one of thebattery 11, thecontroller 12, the sensor, or thecartridge 14 may be disposed in the lower housing 10 (seeFIG. 1 ). Theheating coil 15 may be disposed in theupper housing 20. Theupper housing 20 may also be referred to simply as ahousing 20. - The
housing 20 may include anouter wall 21 and aninner wall 22. Theinner wall 22 may define theinsertion space 24, which is open at the upper side thereof. Theinsertion space 24 and theinner wall 22 may be formed in the shape of a cylinder. Thestick 200 may be inserted into theinsertion space 24. An upper portion of thestick 200 may be exposed to the outside of the aerosol-generatingdevice 100. When thestick 200 is inserted into theinsertion space 24, theinner wall 22 may surround the lower portion of thestick 200. - The
outer wall 21 of thehousing 20 may surround the outer portion of theinner wall 22. Theouter wall 21 may be radially outwards spaced apart from theinner wall 22. Theouter wall 21 may be formed in the shape of a cylinder. Theouter wall 21 may define acoil reception space 25, which is formed between theouter wall 21 and theinner wall 22 and is open at the upper side thereof. Thecoil reception space 25 may be formed between theouter wall 21 and theinner wall 22, and may extend circumferentially. Theouter wall 21 may surround the outer circumferential surface of thecoil reception space 25. Theinner wall 22 may surround the inner circumferential surface of thecoil reception space 25. - The
heating coil 15 may be inserted into thecoil reception space 25, and may be disposed therein. Theheating coil 15 may be disposed so as to surround theinsertion space 24. Theheating coil 15 may receive power from thebattery 11 to generate heat. Alternatively, theheating coil 15 may be disposed in theinsertion space 24. Theheating coil 15 may generate heat using a magnetic field generated by an induction coil disposed near theheating coil 15. Theheating coil 15 may heat thestick 200 inserted into theinsertion space 24. - A
cover 30 may be disposed on thehousing 20. Thecover 30 may be coupled or fastened to thehousing 20. Thecover 30 may cover the upper portion of thehousing 20. Thecover 30 may cover the open upper side of thecoil reception space 25. Aninsertion port 34 may be formed by opening thecover 30. Theinsertion port 34 may have the shape of a circle. Theinsertion port 34 may be disposed above theinsertion space 24 so as to communicate with theinsertion space 24. The outer circumferential surface of theinsertion port 34 may be disposed parallel to the outer circumferential surface of theinsertion space 24, or may have a shape corresponding to the outer circumferential surface of theinsertion space 24. - Referring to
FIGS. 4 to 6 , thehousing 20 may include ahelical guide helical guide insertion space 24, and may obliquely and circumferentially extend downwards. Thehelical guide outer wall 21 radially outwards. Thehelical guide coil reception space 25, or may communicate therewith. Thehelical guide helical guide - The
helical guide guide inlet 214. Thehelical guide guide channel 215. Theguide inlet 214 may be open at the upper end of thehousing 20. Theguide inlet 214 may be formed by depressing the inner circumferential surface of the upper end of theouter wall 21 radially outwards. Theguide inlet 214 may be formed by opening the upper end of theouter wall 21. Theguide inlet 214 may face thecoil reception space 25, or may communicate therewith. Theguide inlet 214 may communicate with one end of theguide channel 215. Theguide inlet 214 may be one of a plurality of guide inlets, which are circumferentially spaced apart from each other. - The
guide channel 215 may be formed by depressing the inner circumferential surface of the upper end of theouter wall 21 radially outwards. Theguide channel 215 may circumferentially extend obliquely downwards from theguide inlet 214. Theguide channel 215 may be formed in the shape of a helix. Theguide channel 215 may communicate with theguide inlet 214. Theguide channel 215 may communicate with thecoil reception space 25. Theguide inlet 214 may be one of a plurality of guide inlets, which are circumferentially spaced apart from each other. - The
cover 30 may include afirst cover part 21 and asecond cover part 32. Thesecond cover part 32 may be formed beneath thefirst cover part 31. The inner circumferential surfaces of thefirst cover part 31 and thesecond cover part 32 may be integrally formed, and may constitute the innercircumferential surface 33 of thecover 30 surrounding the side portion of theinsertion port 34. The outer circumferential surface of thesecond cover part 32 may be radially inwards depressed from the outer circumferential surface of thefirst cover part 31. - The
cover 30 may include aguide protrusion 325. Theguide protrusion 325 may project so as to be inserted into thehelical guide guide protrusion 325 may project from the outer circumferential surface of thesecond cover part 32. Theguide protrusion 325 may be one of a plurality ofguide protrusions 325, which are circumferentially spaced apart from each other. Theguide protrusion 325 may include a number ofguide protrusions 325 corresponding to the number ofhelical guides guide protrusions 325 may be disposed at positions corresponding to the plurality ofguide inlets 214. The guide protrusions 325 may be disposed below thefirst cover part 31. - A sealing
protrusion 35 may project downwards from thecover 30. The sealingprotrusion 35 may project downwards from the lower portion of thesecond cover part 32. The sealingprotrusion 35 may be formed around theinsertion port 34. The sealingprotrusion 35 may extend along the lower end of theinsertion port 34. The sealingprotrusion 35 may extend circumferentially. The sealingprotrusion 35 may have the shape of a ring. The sealingprotrusion 35 may be convex downwards. The sealingprotrusion 35 may have a shape corresponding to that of a sealinggroove 225. The sealingprotrusion 35 may be forcibly inserted into the sealinggroove 225 so as to be in close contact with the upper end of theinner wall 22. The sealingprotrusion 35 may be made of an elastic material. For example, the sealingprotrusion 35 may be made of rubber or silicone. - The sealing
groove 225 may be formed by depressing the upper end of theinner wall 22 downwards. The sealinggroove 225 may be open upwards. The sealinggroove 225 may be formed around the upper end of theinsertion space 24. The sealinggroove 225 may circumferentially extend along the upper end of theinner wall 22. The sealinggroove 225 may have the shape of a ring. The sealinggroove 225 may be concave downwards. The upper end of theinner wall 22 may be positioned lower than the upper end of theouter wall 21. Theinner wall 22 may be lower than theouter wall 21 in a vertical direction. The sealinggroove 225 may be positioned lower than the upper end of theouter wall 21. - The
cover 30 may include afirst support protrusion 37. Thefirst support protrusion 37 may project radially inwards from the outercircumferential surface 33 of theinsertion port 34. Thefirst support protrusion 37 may be one of a plurality of first support protrusions, which are circumferentially spaced apart from each other along the outercircumferential surface 33 of theinsertion port 34. The plurality offirst support protrusions 37 may be spaced apart from each other, with a gap formed therebetween. - The
inner wall 22 may cover the side portion and the lower portion of theinsertion space 24. The inner circumferential surface of theinner wall 22 may cover the side portion of theinsertion space 24. The bottom 23 of theinner wall 22 may cover the lower portion of theinsertion space 24. The bottom 23 of theinner wall 22 may have the shape of a circle. - A
second support protrusion 27 may project upwards toward theinsertion space 24 from the bottom 23 of theinner wall 22. Thesecond support protrusion 27 may be formed in or near the center of the bottom 23 of theinner wall 22. Thesecond support protrusion 27 may have theupper end surface 271 formed to be flat, and may have an outercircumferential surface 272 that narrows moving toward theupper end surface 271 from the bottom 23 of theinner wall 22. Thesecond support protrusion 27 may have a truncated form, such as a truncated circular cone or a truncated pyramid. Theupper end surface 271 of thesecond support protrusion 27 may be referred to as aflat surface 271. The outercircumferential surface 272 of thesecond support protrusion 27 may be referred to as asloping surface 272. - Referring to
FIGS. 7 to 9 , thecover 30 may be coupled to thehousing 20. Thecover 30 may be rotated in one circumferential direction so as to be coupled to thehousing 20. When thecover 30 is rotated in the one direction so as to be coupled to thehousing 20, thecover 30 may be moved downwards so as to press the upper end of theinner wall 22. When thecover 30 is rotated in the one direction so as to be coupled to thehousing 20, thecover 30 may be moved downwards so as to hermetically cover the upper end of thecoil reception space 25. - The
guide protrusion 325 may project from thecover 30 so as to be inserted into thehelical guide guide protrusion 325 may be inserted into thehelical guide cover 30. Theguide protrusion 325 may move along thehelical guide guide protrusion 325 may be inserted into theguide inlet 214. Theguide protrusion 325 inserted into theguide inlet 214 may move along theguide channel 215. Theguide channel 215 may guide the helical movement of theguide protrusion 325, and may thus move thecover 30 downwards. Theguide protrusion 325 may be fastened to thehousing 20 at the end of theguide channel 215 so as to prevent thecover 30 from rotating in the opposite direction. - A
stopper 215 a may be formed on thehousing 20 around the opening. Thestopper 215 a may project from thehelical guide stopper 215 a may project inwards from theguide channel 215. Thestopper 215 a may be positioned close to the end of theguide channel 215. Thestopper 215 a may project from theguide channel 215, and may be curved in the direction in which theguide protrusion 325 moves when thecover 30 is rotated in one direction. Thestopper 215 a may have a curved surface which is convex toward theguide protrusion 325. Thestopper 215 a may have elasticity. Thestopper 215 a may provide elastic force in one direction. Thestopper 215 a may be referred to as afirst stopper 215 a. - When the
guide protrusion 325 is moved in one direction along theguide channel 215, thecover 30 may be rotated in the one direction. When theguide protrusion 325 is moved in one direction along theguide channel 215, theguide protrusion 325 may be brought into contact with thestopper 215 a or may catch on thestopper 215 a. Theguide protrusion 325 may be moved in one direction along theguide channel 215 over thestopper 215 a. When theguide protrusion 325 is positioned at the end of theguide channel 215, the guide protrusion may catch on thestopper 215 a. Thestopper 215 a may come into contact with theguide protrusion 325 positioned at the end of theguide channel 215, and may provide repulsive force in one direction. Thestopper 215 a may provide theguide protrusion 325 with repulsive force in order to restrict rotation of thecover 30 in the opposite direction. - For example, the
guide protrusion 325 may move over thestopper 215 along the curved surface of thestopper 215 a, and may be seated at the end of theguide channel 215. Theguide protrusion 325, which is seated at the end of theguide channel 215, may catch on the end of thestopper 215 a, thereby restricting movement of theguide protrusion 325 in the opposite direction. Consequently, it is possible to prevent thecover 30 from being rotated in the opposite direction. - When the
cover 30 is coupled to thehousing 20, theinsertion port 34 may be positioned above theinsertion space 24 so as to communicate with theinsertion space 24. When thecover 30 is rotated in one direction along thehelical guide second cover part 32 may be moved downwards so as to cover or seal the upper end of thecoil reception space 25. - When the
cover 30 is rotated in one direction along thehelical guide second cover part 32 may be moved downwards, thereby pressing the upper end of theinner wall 22 downwards in the state of being in close contact therewith. At least one of thecover 30 or theinner wall 22 may have elasticity. When thecover 30 is completely coupled to thehousing 20, thecover 30 and theinner wall 22 may be subjected to vertical stress, and may be brought into close contact with each other while being changed in shape. - When the
cover 30 is rotated in one direction along thehelical guide cover 30 and theouter wall 21 may be brought into close contact with each other in a vertical direction. Thefirst cover part 31 and the upper end of theouter wall 21 may be brought into close contact with each other in a vertical direction. At least one of thecover 30 or theouter wall 21 may have elasticity. When thecover 30 is completely coupled to thehousing 20, thecover 30 and theouter wall 21 may be subjected to stress in a vertical direction, and may thus be brought into close contact with each other while being changed in shape. - The sealing
protrusion 35 may be inserted into the sealinggroove 225. The sealingprotrusion 35 may be made of an elastic material. For example, the sealingprotrusion 35 may be made of rubber or silicone. When thecover 30 is coupled to thehousing 20, the sealingprotrusion 35 may be brought into contact with the sealinggroove 225 in the upper end of theinner wall 22, and may be subjected to upward stress, thereby being changed in shape. When thecover 30 is coupled to thehousing 20, the sealingprotrusion 35 may be brought into close contact with and be inserted into the sealinggroove 225. Thesecond cover part 32 may be brought into close contact with the upper end of theinner wall 22. - The sealing
protrusion 35 may project downwards from thesecond cover part 32. The sealinggroove 225 may be depressed downwards from the upper end of theinner wall 22. The length R1 that the sealingprotrusion 35 projects downwards may be greater than the length R2 that the sealinggroove 225 is depressed downwards. The sealingprotrusion 35 may have an elliptical cross-section which is elongate vertically. The sealinggroove 225 may have an elliptical cross-section which is elongate horizontally. The curvature of the sealingprotrusion 35 may be different from the curvature of the sealinggroove 225. - When the sealing
protrusion 35 is inserted into the sealinggroove 225, the sealingprotrusion 35 may be brought into contact with the sealinggroove 225 while being subjected to stress, and may be changed into a shape corresponding to that of the sealinggroove 225. The sealingprotrusion 35 may be fully disposed in the sealinggroove 225 and may be brought into close contact with the sealinggroove 225 while being changed in shape. - Consequently, the
cover 30 may be moved downwards while being rotated in one direction, thereby being coupled to thehousing 20. As a result, the gap between thecover 30 and thehousing 20 may be tightly sealed, thereby making it possible to prevent air or contaminants from entering thecoil reception space 25 through the gap between thecover 30 and thehousing 20. Furthermore, it is possible to prevent malfunction of theheating coil 15. - Referring to
FIG. 10 , anextension guide channel 215 and may be curved at least once. Afirst extension 2151 may be connected to the end of theguide channel 215. Thefirst extension 2151 may be positioned between theguide channel 215 and thesecond extension 2152 so as to connect them to each other. Thefirst extension 2151 may be curved downwards at the end of theguide channel 215, and may extend therefrom. Thefirst extension 2151 may be formed by depressing the inner circumferential surface of theouter wall 21 radially outwards, similarly to theguide channel 215. - A
second extension 2152 may be connected to the end of thefirst extension 2151. Thesecond extension 2152 may be curved at the end of thefirst extension 2151, and may extend therefrom. Thesecond extension 2152 may extend in a direction such that it intersects thefirst extension 2151. Similarly to theguide channel 215, thesecond extension 2152 may be formed by depressing the inner circumferential surface of theouter wall 21 radially outwards. - When moved in one direction, the
guide protrusion 325 may pass through theguide channel 215 and the first extension in that order, and may then be disposed in thesecond extension 2152. Theguide protrusion 325 disposed in thesecond extension 2152 may catch on theouter wall 21 near thefirst extension 2151 and thesecond extension 2152. Consequently, movement of theguide protrusion 325 in an upward direction or in another direction may be restricted. - Referring to
FIGS. 11 and 12 , thecover 30 may be moved in one direction, and may be coupled to thehousing 20. Thecover 30 may be threadedly coupled to thehousing 20 so as to be moved downwards while being rotated. - The
housing 20 may include a female thread. Thefemale thread 216 may be circumferentially formed around the upper end of theinsertion space 24. Thefemale thread 216 may be formed in the inner circumferential surface of the upper end of theouter wall 21. - The
cover 30 may include amale thread 326. Themale thread 326 may be circumferentially formed in the outer circumferential surface of thecover 30. Themale thread 326 may be circumferentially formed in the outer circumferential surface of thesecond cover part 32. Themal thread 326 may have a shape corresponding to thefemale thread 216. The male thread 316 may be rotated in one direction while being engaged with thefemale thread 216, thereby moving thecover 30 downwards. Thecover 30 may be moved downwards so as to press theinner wall 22 and theouter wall 21 downwards. - Accordingly, the
cover 30 may be moved downwards while being rotated in one direction, and may be coupled to thehousing 20. As a result, the gap between thecover 30 and thehousing 20 may be tightly sealed, thereby making it possible to prevent air or contaminants from entering thecoil reception space 25 through the gap between thecover 30 and thehousing 20. Furthermore, it is possible to prevent malfunction of theheating coil 15. - A
restriction protrusion 326 b may project outwards from the outer circumferential surface of thecover 30. Therestriction protrusion 326 b may project outwards from the outer circumferential surface of thesecond cover part 32. Therestriction protrusion 326 b may be one of a plurality of restriction protrusions, which are circumferentially spaced apart from each other. Therestriction protrusion 326 b may be disposed above themale thread 326. When thecover 30 is rotated in one direction, therestriction protrusion 326 b may also be rotated in the one direction. - A
stopper 216 b may be formed on thehousing 20 around the opening. Thestopper 216 b may be positioned close to thefemale thread 216. The stopper may be disposed above thefemale thread 216. Thestopper 216 b may project inwards from theouter wall 21. Thestopper 216 b may be curved and may then extend in the direction in which thecover 30 is rotated. Thestopper 216 b may have a curved surface, which is convex toward therestriction protrusion 326 b. Thestopper 216 b may have elasticity. Thestopper 216 b may provide elastic force in one direction. Thestopper 216 b may be referred to as asecond stopper 216 b. Thesecond stopper 216 b may have a shape identical or similar to that of thefirst stopper 215 a, which has been described above. - When the
cover 30 is rotated such that themale thread 326 is engaged with thefemale thread 216, therestriction protrusion 326 b may be moved over thestopper 216 b, and may be brought into contact with the end of thestopper 216 b or catch on the end of thestopper 216 b. Once therestriction protrusion 326 b is moved over thestopper 216 b, thestopper 216 b may be brought into contact with therestriction protrusion 326 b, thereby providing repulsive force in one direction. Consequently, thestopper 216 b may provide therestriction protrusion 326 b with repulsive force, thereby preventing thecover 30 from being rotated in the opposite direction. - Referring to
FIGS. 13 and 14 , thecover 30 may be fastened to thehousing 20 in a snap-fit manner while being moved downwards. Thecover 30 may include ahook 328. Thehousing 20 may have a hook-engaginggroove 218. - The
hook 328 may project outwards from the outer circumferential surface of thesecond cover part 32. Thehook 328 may have an inclined shape so as to be widened moving upwards. Thehook 328 may have an upper flat end. - The hook-engaging
groove 218 may be formed by depressing the inner circumferential surface of the upper end of theouter wall 21 outwards. The hook-engaginggroove 218 may have a shape corresponding to thehook 328. Thehook 328 may be one of a plurality of hooks, which are symmetrically disposed around theinsertion port 34. The hook-engaginggroove 218 may be formed at a location corresponding to thehook 328. - The
hook 328 may be moved downwards, and may be inserted into the hook-engaginggroove 218 and engaged therewith, thereby preventing thecover 30 from being moved upwards or being separated from thehousing 20. When thehook 328 is engaged with the hook-engaginggroove 218, thecover 30 and theinner wall 22 may be subjected to stress in a vertical direction. When thehook 328 is engaged with the hook-engaginggroove 218, thecover 30 and theouter wall 21 may be subjected to stress in a vertical direction. - Accordingly, the
cover 30 may be moved downwards, and may then be coupled to thehousing 20. As a result, the gap between thecover 30 and thehousing 20 may be tightly sealed, thereby making it possible to prevent air or contaminants from entering thecoil reception space 25 through the gap between thecover 30 and thehousing 20. Furthermore, it is possible to prevent malfunction of theheating coil 15. - Referring to
FIG. 15 , thestick 200 may be inserted into theinsertion space 24 through theinsertion port 34. The plurality of thefirst support protrusions 37 may be arranged on the outer circumferential surface of thestick 200, and may support the outer circumferential surface of thestick 200 that is inserted into theinsertion space 24. Thesecond support protrusion 27 may support the bottom of thestick 200 that is inserted into theinsertion space 24. - The
first support protrusion 37 may project so as to have a round convex shape. When thestick 200 passes through theinsertion port 34, thefirst support protrusion 37 may guide thestick 200 such that thestick 200 may be inserted into theinsertion space 24 while sliding on the surface of thefirst support protrusion 37. - The
second support protrusion 27 may have aflat surface 271 and asloping surface 272. Theflat surface 271 may come into contact with the bottom surface of thestick 200 inserted into theinsertion space 24 so as to support thestick 200. - The
stick 200 may include the susceptor (not shown) therein. The susceptor may be disposed in the lower portion of thestick 200. When thestick 200 is inserted into theinsertion space 24, the susceptor in thestick 200 may be disposed in theinsertion space 24, and may be surrounded by theheating coil 15. Theheating coil 15 may heat the susceptor in thestick 200. Theheating coil 15 may induce a magnetic field in the susceptor. The susceptor may generate heat using the magnetic field, induced by theheating coil 15. Alternatively, theheating coil 15 may directly generate heat to heat thestick 200 inserted into theinsertion space 24. The outer circumferential surface of the lower portion of thestick 200 may be coated with glycerin. - The upper portion of the
stick 200 may be exposed to the outside of thecover 30. A user may inhale air through the upper portion of thestick 200, which is exposed to the outside. When the user inhales air, the air may be supplied to thestick 200 through theinsertion port 34 and theinsertion space 24. Here, the air may be introduced into theinsertion space 24 through the gaps between the plurality offirst support protrusions 37. The air introduced into the insertion space 2 may be provided to the bottom of thestick 200 through the gap between the inner circumferential surface of theinner wall 22 and the outer circumferential surface of thestick 200 and the gap between the bottom 23 of theinner wall 22 and the bottom of thestick 200. A portion of the air that is present between the bottom of theinner wall 22 and the bottom of thestick 200 may obliquely flow along thesloping surface 272 of thesecond support protrusion 27, and may then be supplied to the bottom of thestick 200. - Accordingly, the flow path of air may be shortened, and flow efficiency may be improved. Furthermore, the air may be supplied to the
stick 200 without passing through thecoil reception space 25 in which theheating coil 15 is disposed. In addition, it is possible to prevent air from being introduced into thecoil reception space 25 through the gap between thecover 30 and thehousing 20. Furthermore, it is possible to prevent malfunction of theheating coil 15. - Referring to
FIGS. 16 and 17 , athird support protrusion 28 may project toward theinsertion space 24 from the periphery of the bottom 23 of theinner wall 22. Thethird support protrusion 28 may be one of a plurality of third support protrusions, which are spaced apart from each other along the outer circumferential surface of theinsertion space 24. The plurality ofthird support protrusions 28 may be arranged along the periphery of the bottom 23 of theinner wall 22. Gaps may be formed between the plurality ofthird support protrusions 28 so as to allow air to flow therethrough. Each third support protrusion may include a portion that is sloped toward the inner circumferential surface of theinner wall 22 from the bottom of theinner wall 22. - The
third support protrusion 28 may include a slopingportion 281. The slopingportion 281 may be shaped so as to be sloped downwards from the inner circumferential surface of theinner wall 22. The slopingportion 22 may be sloped such that the cross-sectional area of theinsertion space 24 decreases moving downwards. The slopingportion 281 may be spaced upwards apart from the bottom 23 of theinner wall 22. The slopingportion 281 may be one of a plurality of sloping portions, which are arranged circumferentially. When thestick 200 is inserted into theinsertion space 24, the periphery of the bottom of thestick 200 may be brought into contact with the slopingportion 281, thereby guiding the positioning of thestick 200. - The
third support protrusion 28 may include aside support portion 282. Theside support portion 282 may have a shape that projects toward the inside of theinsertion space 24 from the inner circumferential surface of theinner wall 22. The distance that theside support portion 282 projects may be equal or similar to the distance that thefirst support protrusion 37 projects. Theside support portion 282 may extend downwards from the lower end of the slopingportion 281. Theside support portion 282 may extend parallel to the inner circumferential surface of theinner wall 22. Theside support portion 282 may support the outer circumferential surface of the lower portion of thestick 200. Thefirst support protrusion 37 and theside support portion 282 may support the outer circumferential surface of thestick 200 at upper and lower levels in order to prevent thestick 200 from being shaken in theinsertion space 24. - The
third support protrusion 28 may include abottom support portion 283. Thebottom support portion 283 may project upwards from the bottom 23 of theinner wall 22. Thebottom support portion 283 may abut the inner circumferential surface of theinner wall 22. Thebottom support portion 283 may extend so as to project radially inwards from the lower end of the slopingportion 281 or theside support portion 282. Thebottom support portion 283 may support the peripheral portion of thestick 200. Thebottom support portion 283 may upwardly space thestick 200 apart from the bottom 23 of theinner wall 22. - When a user inhales air through the
stick 200 inserted into theinsertion space 24, air may be supplied to thestick 200 through theinsertion port 34 and theinsertion space 24. Here, the air may be introduced into theinsertion space 24 through the gaps between the plurality offirst support protrusions 37. The air introduced into theinsertion space 24 may pass through the gap between the inner circumferential surface of theinner wall 22 and the outer circumferential surface of thestick 200. After passing through the gaps between thethird support protrusions 28, the air may flow into the space between the bottom 23 of theinner wall 22 and the bottom of thestick 200, and may thus be supplied to the bottom of thestick 200. - Accordingly, when the
stick 200 is inserted into theinsertion space 24, the bottom of thestick 200 may be positioned in the center of theinsertion space 24 while sliding on thethird support protrusion 28. Furthermore, thestick 200 inserted into theinsertion space 24 may be stably held. In addition, thestick 200 may be spaced upwards apart from the bottom of theinsertion space 24 by means of thethird support protrusion 28, thereby providing a gap through which air flows. - Furthermore, the flow path of air may be shortened, and flow efficiency may be improved. In addition, air may be more uniformly supplied to the center of the bottom of the
stick 200. Furthermore, air may be supplied to thestick 200 without passing through thecoil reception space 25, in which theheating coil 15 is disposed. In addition, it is possible to prevent air from being introduced into thecoil reception space 25 through the gap between thecover 30 and thehousing 20. Furthermore, it is possible to prevent malfunction of theheating coil 15. - Referring to
FIGS. 1 to 17 , an aerosol-generatingdevice 100 according to one aspect of the present disclosure includes ahousing 20 including aninner wall 22 to define aninsertion space 24 therein and anouter wall 21 surrounding an outer side of theinner wall 22 to definecoil reception space 25 formed between theinner wall 22 and theouter wall 21, wherein each of theinsertion space 24 and thecoil reception space 25 have an opening at one side, aheating coil 15 wound around the outer side of theinner wall 22 and disposed in thecoil reception space 25, and acover 30 configured to cover the opening of thecoil reception space 25 and comprising aninsertion port 34 allowing communication between theinsertion space 24 and an outside of thehousing 20, wherein thecover 30 includes a sealing protrusion positioned between the opening of theinsertion space 24 and the opening of thecoil reception space 25 to press against theinner wall 22. - In addition, according to another aspect of the present disclosure, the aerosol-generating
device 100 may further comprise a sealinggroove 225 formed in the inner wall, wherein the sealingprotrusion 35 may protrude downward from thecover 30 and may be configured to be inserted into the sealinggroove 225. - In addition, according to another aspect of the present disclosure, the sealing
protrusion 35 may be configured to be fitted into the sealinggroove 225 in an interference-fit manner. - In addition, according to another aspect of the present disclosure, the sealing
protrusion 35 may have a curvature different than a curvature of the sealinggroove 225. - In addition, according to another aspect of the present disclosure, each of the sealing
groove 225 and the sealingprotrusion 35 extends circumferentially along the inner wall, and the sealingprotrusion 35 may have elasticity. - In addition, according to another aspect of the present disclosure, the
cover 30 may be rotated in one direction to be coupled to thehousing 20 by moving thecover 30 downwards to press an upper end of theinner wall 22. - In addition, according to another aspect of the present disclosure, the
housing 20 may include a recessedhelical guide outer wall 21, thehelical guide guide protrusion 325, projecting from thecover 30 and configured to be moved along thehelical guide cover 30 is rotated. - In addition, according to another aspect of the present disclosure, the aerosol-generating device may further include a
first stopper 215 a projecting from thehelical guide first stopper 215 a being brought into contact with theguide protrusion 325 to prevent thecover 30 from being rotated in the opposite direction. - In addition, according to another aspect of the present disclosure, the aerosol-generating device may further include a
first extension 2151, curved downwards at an end of thehelical guide second extension 2152, curved at an end of thefirst extension 2151 and extending therefrom. - In addition, according to another aspect of the present disclosure, the
housing 20 may include afemale thread 216 circumferentially formed around the opening of theinsertion space 24, and the cover may include amale thread 326 configured to be engaged with thefemale thread 216. - In addition, according to another aspect of the present disclosure, the
cover 30 may include arestriction protrusion 326 b formed near themale thread 326, and the aerosol-generating device may further include asecond stopper 216 b projecting from thehousing 20 near thefemale thread 216, thesecond stopper 216 b being brought into contact with therestriction protrusion 326 b so as to prevent thecover 30 from being rotated in the opposite direction. - In addition, according to another aspect of the present disclosure, the
cover 30 may be configured to be fastened to thehousing 20 in a snap-fit manner. - In addition, according to another aspect of the present disclosure, the aerosol-generating device may further include a plurality of
first support protrusions 37 projecting inward from a circumferential surface of thecover 30 defining theinsertion port 34. - In addition, according to another aspect of the present disclosure, the plurality of
first support protrusions 37 may be spaced apart from each other. - In addition, according to another aspect of the present disclosure, the aerosol-generating device may further include a
second support protrusion 27 projecting toward theinsertion space 24 from the center of the bottom 23 of theinner wall 22. - In addition, according to another aspect of the present disclosure, the
second support protrusion 27 may be tapered and comprise a planar top surface - In addition, according to another aspect of the present disclosure, the aerosol-generating device may further include a
third support protrusion 28 projecting toward theinsertion space 24 from the periphery of the bottom 23 of theinner wall 22. - In addition, according to another aspect of the present disclosure, the
third support protrusion 28 may be one of a plurality of third support protrusions, which are arranged along the periphery of the bottom 23 of theinner wall 22 and spaced apart from each other. - In addition, according to another aspect of the present disclosure, the
third support protrusion 28 may include a sloping portion (281) obliquely extending toward the bottom 23 of theinner wall 22 from the outer circumferential surface of theinner wall 22. - In addition, according to another aspect of the present disclosure, the
third support protrusion 28 may include aside support portion 282, extending downwards from the lower end of the slopingportion 281 to be parallel to the inner circumferential surface of theinner wall 22, and abottom support portion 283, projecting radially inwards from the lower end of theside support portion 282. - Certain embodiments or other embodiments of the disclosure described above are not mutually exclusive or distinct from each other. Any or all elements of the embodiments of the disclosure described above may be combined with another or combined with each other in configuration or function.
- For example, a configuration “A” described in one embodiment of the disclosure and the drawings and a configuration “B” described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible.
- Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art.
Claims (14)
1. An aerosol-generating device comprising:
a housing comprising an inner wall to define an insertion space therein and an outer wall surrounding an outer side of the inner wall to define a coil reception space formed between the inner wall and the outer wall, wherein each of the insertion space and the coil reception space have an opening at one side;
a heating coil wound around the outer side of the inner wall and disposed in the coil reception space; and
a cover configured to cover the opening of the coil reception space and comprising an insertion port allowing communication between the insertion space and an outside of the housing,
wherein the cover comprises a sealing protrusion positioned between the opening of the insertion space and the opening of the coil reception space to press against the inner wall.
2. The aerosol-generating device according to claim 1 , further comprising a sealing groove formed in the inner wall,
wherein the sealing protrusion protrudes downward from the cover and is configured to be inserted into the sealing groove.
3. The aerosol-generating device according to claim 2 , wherein the sealing protrusion is configured to be fitted into the sealing groove in an interference-fit manner.
4. The aerosol-generating device according to claim 2 , wherein the sealing protrusion has a curvature different than a curvature of the sealing groove.
5. The aerosol-generating device according to claim 2 , wherein each of the sealing groove and the sealing protrusion extends circumferentially along the inner wall,
wherein the sealing protrusion has elasticity.
6. The aerosol-generating device according to claim 1 , wherein the cover is rotated in one direction to be coupled to the housing by moving the cover downwards to press an upper end of the inner wall.
7. The aerosol-generating device according to claim 6 , wherein the housing further comprises a recessed helical guide formed at the upper portion of the outer wall, wherein the helical guide is angled downwards, and
wherein the aerosol-generating device further comprises a guide protrusion projecting from the cover and configured to be moved along the helical guide when the cover is rotated,
a stopper configured to restrict the cover to rotate in another direction.
8. The aerosol-generating device according to claim 6 , wherein the housing further comprises a female thread circumferentially formed around the opening of the insertion space, and
wherein the cover comprises a male thread configured to be engaged with the female thread
wherein the aerosol-generating device further comprises a stopper configured to restrict the cover to rotate in another direction.
9. The aerosol-generating device according to claim 1 , wherein the cover is further configured to be fastened to the housing in a snap-fit manner.
10. The aerosol-generating device according to claim 1 , further comprising a plurality of first support protrusions projecting inward from a circumferential surface of the cover defining the insertion port,
wherein the plurality of first support protrusions are spaced apart from each other.
11. The aerosol-generating device according to claim 1 , further comprising a second support protrusion projecting toward the insertion space from a center of a bottom of the inner wall,
wherein the second support protrusion is tapered and comprises a planar top surface.
12. The aerosol-generating device according to claim 1 , further comprising a third support protrusion projecting toward the insertion space from a periphery of a bottom of the inner wall,
wherein the third support protrusion is one of a plurality of third support protrusions which are circumferentially arranged along the periphery of the bottom of the inner wall and spaced apart from each other.
13. The aerosol-generating device according to claim 12 , wherein the third support protrusion comprises a sloping portion obliquely extending toward the bottom of the inner wall from an inner circumferential surface of the inner wall.
14. The aerosol-generating device according to claim 13 , wherein the third support protrusion further comprises:
a side support portion extending downwards from a lower end of the sloping portion to be parallel to the inner circumferential surface of the inner wall; and
a bottom support portion projecting radially inwards from a lower end of the side support portion.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2021-0081227 | 2021-06-23 | ||
KR1020210081227A KR102573818B1 (en) | 2021-06-23 | 2021-06-23 | Device for generating aerosol |
PCT/KR2022/008891 WO2022270916A1 (en) | 2021-06-23 | 2022-06-22 | Aerosol-generating device |
Publications (1)
Publication Number | Publication Date |
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US20240023612A1 true US20240023612A1 (en) | 2024-01-25 |
Family
ID=84538484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/024,232 Pending US20240023612A1 (en) | 2021-06-23 | 2022-06-22 | Aerosol-generating device |
Country Status (7)
Country | Link |
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US (1) | US20240023612A1 (en) |
EP (1) | EP4358760A1 (en) |
JP (1) | JP2023541067A (en) |
KR (1) | KR102573818B1 (en) |
CN (1) | CN116322397A (en) |
CA (1) | CA3191216A1 (en) |
WO (1) | WO2022270916A1 (en) |
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WO2016029471A1 (en) * | 2014-08-29 | 2016-03-03 | 深圳麦克韦尔股份有限公司 | Electronic cigarette and atomizing component mounting base thereof |
EP4285757A2 (en) | 2014-09-17 | 2023-12-06 | Fontem Ventures B.V. | Device for storing and vaporizing liquid media |
KR20180070436A (en) * | 2016-12-16 | 2018-06-26 | 주식회사 케이티앤지 | Method and apparatus for generating generating aerosols |
CN114766739A (en) * | 2017-04-11 | 2022-07-22 | 韩国烟草人参公社 | Aerosol generating device and method providing adaptive feedback based on puff identification |
RU2728109C1 (en) * | 2017-05-11 | 2020-07-28 | Кей Ти Энд Джи Корпорейшн | Evaporator and aerosol generation device comprising such evaporator |
KR102074933B1 (en) * | 2017-05-11 | 2020-03-02 | 주식회사 케이티앤지 | Vaporizer and aerosol generating apparatus comprising the same |
TW201902372A (en) * | 2017-05-31 | 2019-01-16 | 瑞士商菲利浦莫里斯製品股份有限公司 | Heating member of aerosol generating device |
WO2020249648A1 (en) * | 2019-06-13 | 2020-12-17 | Jt International Sa | An aerosol generating system, an aerosol generating device and an aerosol generating article |
-
2021
- 2021-06-23 KR KR1020210081227A patent/KR102573818B1/en active IP Right Grant
-
2022
- 2022-06-22 CN CN202280006845.4A patent/CN116322397A/en active Pending
- 2022-06-22 CA CA3191216A patent/CA3191216A1/en active Pending
- 2022-06-22 US US18/024,232 patent/US20240023612A1/en active Pending
- 2022-06-22 WO PCT/KR2022/008891 patent/WO2022270916A1/en active Application Filing
- 2022-06-22 JP JP2023516209A patent/JP2023541067A/en active Pending
- 2022-06-22 EP EP22828763.7A patent/EP4358760A1/en active Pending
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CN116322397A (en) | 2023-06-23 |
WO2022270916A1 (en) | 2022-12-29 |
EP4358760A1 (en) | 2024-05-01 |
JP2023541067A (en) | 2023-09-27 |
CA3191216A1 (en) | 2022-12-29 |
KR102573818B1 (en) | 2023-08-31 |
KR20220170418A (en) | 2022-12-30 |
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