WO2024043472A1 - Masque - Google Patents

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Publication number
WO2024043472A1
WO2024043472A1 PCT/KR2023/008613 KR2023008613W WO2024043472A1 WO 2024043472 A1 WO2024043472 A1 WO 2024043472A1 KR 2023008613 W KR2023008613 W KR 2023008613W WO 2024043472 A1 WO2024043472 A1 WO 2024043472A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
mask body
mask
cover
face
Prior art date
Application number
PCT/KR2023/008613
Other languages
English (en)
Korean (ko)
Inventor
조영래
김준형
김효진
박영찰
서형준
송영태
조성준
조성진
Original Assignee
삼성전자주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Publication of WO2024043472A1 publication Critical patent/WO2024043472A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/10—Valves
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Definitions

  • the disclosed invention relates to a mask with improved structure.
  • a mask is an item that covers the mouth and nose to prevent germs or dust.
  • masks may be made of high-grade filters to protect the respiratory system from particulate harmful substances such as yellow dust and fine dust and various infectious agents.
  • particulate harmful substances such as yellow dust and fine dust and various infectious agents.
  • the higher the filter level of the mask the more difficult it may be for the user to breathe.
  • the filter is contaminated, the function of the mask deteriorates, making it difficult to reuse the mask.
  • such a mask may include a mask body, a face cover provided at the rear of the mask body and in close contact with the user's face, a filter disposed between the mask body and the face cover, and a blower that forms an airflow inside the mask. You can. However, since the filter must be inserted between the mask body and the face cover, it may not be easy to install the filter. Additionally, the face cover that comes in contact with the user's face can be easily contaminated by makeup, secretions, etc.
  • One aspect of the disclosed invention provides a mask with improved structure.
  • One aspect of the disclosed invention provides a mask with improved ease of use.
  • One aspect of the disclosed invention provides a mask in which the filter can be easily installed and/or replaced.
  • One aspect of the disclosed invention provides a mask in which contamination of the mask body can be prevented.
  • the mask includes a mask body, a face cover disposed at the rear of the mask body to prevent air from flowing between the mask body and the user's face and formed to form a breathing space together with the mask body, and air A blowing device provided in the breathing space to force the flow of air, and a filter body disposed between the face cover and the user's face to filter external air introduced into the breathing space through the blowing device, and from the filter body It may include a filter including a filter coupling portion that is extended and disposed between the mask body and the face cover.
  • the face cover may be provided to open the rear of the mask body so that the filter coupling portion can enter between the mask body and the face cover.
  • the face cover may further include a first cover part provided to cover the user's nose and a second cover part disposed below the first cover part to cover the user's chin.
  • the rear of the mask body may be opened.
  • the mask may further include a holder detachably mounted on the rear of the mask body to mount the blowing device on the mask body.
  • the holder further includes a first coupling portion provided to face the rear of the mask body, and at least one of the first cover portion or the second cover portion has a second coupling portion that can be coupled to the first coupling portion. More may be included.
  • the first coupling portion of the holder may be exposed to the rear of the mask body.
  • the filter coupling part is coupled to the first coupling part, and the second coupling part is coupled to the first coupling part to which the filter coupling part is coupled, the filter can be mounted on the mask body and the face cover.
  • the first coupling portion further includes a neck portion that protrudes toward the rear of the mask body and has a first diameter, and a head portion that extends from the neck portion and has a second diameter that is larger than the first diameter, and the second
  • the coupling portion may further include a groove provided to accommodate the head portion, and a protrusion provided to engage the head portion to prevent the head portion from being separated from the groove portion.
  • the filter is a first filter
  • the mask may further include at least one second filter disposed between the mask body and the first filter to filter air before passing through the first filter.
  • the blowing device further includes a first blowing module provided to suck external air into the breathing space, and a second blowing module disposed on a side of the first blowing module to discharge the air in the breathing space to the outside. It can be included.
  • the first blowing module may further include a fan
  • the second blowing module may further include a check valve to prevent the air discharged to the outside from flowing back into the breathing space.
  • the second blowing module may further include a sensor provided to detect the pressure of air discharged to the outside, and a control assembly provided to control the blower based on information detected by the sensor.
  • the face cover further includes a first cover part provided to cover the left side of the user's face and a second cover part provided to cover the right side of the user's face, and the first cover part is rotated to the left of the mask body. And as the second cover part rotates to the right side of the mask body, the rear of the mask body may be opened.
  • a mask includes a mask body, a holder mounted on the rear of the mask body, a face cover disposed at the rear edge of the mask body toward the user's face and provided to cover at least a portion of the holder, A filter body located behind the face cover to filter air introduced from the outside through the mask body, and a filter coupling portion extending from the filter body and detachably coupled to the holder to be positioned between the mask body and the face cover. It can be included.
  • the face cover When the filter coupling portion is coupled to the holder, the face cover may be provided to expose the holder to the rear of the mask body.
  • the holder may further include a coupling protrusion protruding toward the rear of the mask body, and the filter coupling portion may further include a coupling hole provided to be caught by the coupling protrusion.
  • the mask is a blowing device provided to generate airflow in a space formed by the mask body and the face cover, and may further include a blowing device that can be detachably mounted on the holder.
  • the mask includes a mask body, a filter that filters air flowing in from the outside through the mask body, and a mask body that extends along the rear edge of the mask body and is provided to be in close contact with the user's face with the filter interposed therebetween. It includes a face cover, and the filter can be detachably mounted on the rear of the face cover.
  • a mask may have an improved structure.
  • a mask may have a structure with improved ease of use.
  • the mask may facilitate installation and/or replacement of the filter.
  • a mask can prevent contamination of the face cover by disposing the filter body on the rear outside of the face cover.
  • FIG. 1 is a perspective view of an example of a mask according to one embodiment.
  • FIG. 2 is a rear perspective view of an example of a mask according to one embodiment.
  • FIG 3 is an exploded view of an example of a mask according to an embodiment.
  • FIG. 4 is an exploded view of an example of a mask according to an embodiment.
  • Figure 5 is a diagram illustrating an example of a mask body according to an embodiment.
  • FIG. 6 is a view showing the face cover of the mask body shown in FIG. 5 in an open state.
  • FIG. 7 is a diagram showing a state in which a blowing device is aligned with the mask body shown in FIG. 6.
  • FIG. 8 is a diagram showing a state in which a blowing device is coupled to the mask body shown in FIG. 7.
  • FIG. 9 is a diagram showing a state in which a filter is aligned on the mask body shown in FIG. 8.
  • FIG. 10 is a diagram showing a state in which a filter is coupled to the mask body shown in FIG. 9.
  • FIG. 11 is a diagram showing another filter aligned to the mask body shown in FIG. 10.
  • FIG. 12 is a diagram showing another filter being coupled to the mask body shown in FIG. 11.
  • FIG. 13 is a diagram showing another filter coupled to the mask body shown in FIG. 12.
  • FIG. 14 is a cross-sectional view of the mask shown in FIG. 13.
  • Figure 15 is an enlarged view showing an example of a first coupling portion of a mask according to an embodiment.
  • Figure 16 is an enlarged view showing an example of a second coupling part of a mask according to an embodiment.
  • FIG. 17 is a diagram illustrating an example of a face cover of a mask in an open state according to an embodiment.
  • Figure 18 is a diagram illustrating an example of a mask filter mounting process according to an embodiment.
  • Figure 19 is a diagram illustrating an example of a mask filter storage process according to an embodiment.
  • Figure 20 is a perspective view of an example of a mask blowing device according to an embodiment.
  • Figure 21 is a rear perspective view of the blower shown in Figure 20.
  • FIG. 22 is an exploded view of the blower shown in FIG. 20.
  • Figure 23 is a control block diagram of a mask blowing device according to an embodiment.
  • first”, “second”, etc. used in the specification may be used to describe various components, but the components are not limited by the terms, and the terms are one It is used only for the purpose of distinguishing one component from another.
  • a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention.
  • the term “and/or” includes any of a plurality of related stated items or a combination of a plurality of related stated items.
  • the terms "front”, “posterior”, “anterior-posterior direction”, “left”, “right”, “lateral”, “upper”, “lower”, etc. used in the following description are defined based on the drawings, The shape and location of each component are not limited by this term.
  • the direction in which the mask body 11 faces in the mask 1 is defined as the front (+X direction)
  • the direction in which the face cover 12 faces in the mask 1 is defined as the front (+X direction).
  • -X direction backward
  • the direction toward the left of the user is defined as the left direction (+Y direction)
  • the direction toward the user's right is defined as the left direction (+Y direction). It can be defined in the right direction (-Y direction).
  • this is only an example and is not limited thereto.
  • 1 is a perspective view of an example of a mask according to one embodiment.
  • 2 is a rear perspective view of an example of a mask according to one embodiment.
  • the mask 1 may include a mask body 10 .
  • the mask body 10 may form the exterior of the mask 1.
  • Components of the mask 1 may be mounted on the mask body 10.
  • a blower 30 and a filter 40 which will be described later, may be mounted on the mask body 10.
  • the mask body 10 may include a mask body 11 and a face cover 12.
  • the mask body 11 may be provided to cover at least part of the user's face.
  • the mask body 11 may be provided to cover the user's nose and mouth.
  • the mask body 11 may include a material that allows air to flow in and out.
  • the mask body 11 may include a fabric material.
  • the front surface 11a of the mask body 11 may be exposed to the outside.
  • the back side 11b of the mask body 11 is located on the opposite side of the front side 11a and can face the user's face.
  • the face cover 12 may be disposed at the rear of the mask body 11.
  • the face cover 12 may be placed between the mask body 11 and the user's face.
  • the face cover 12 may be coupled to the rear surface 11b of the mask body 11.
  • the face cover 12 may be formed integrally with the mask body 11 by being glued or sewn to the mask body 11 .
  • the present invention is not limited to this, and the face cover 12 may be detachably mounted on the mask body 11 using various known coupling methods.
  • the face cover 12 can prevent external air from entering between the mask body 11 and the user's face.
  • the face cover 12 can prevent unfiltered outside air from entering the inside of the mask 1.
  • the face cover 12 may have a curved shape to fit closely to the user's face.
  • the face cover 12 may include shapes corresponding to the nose, cheeks, chin, etc. of the human body.
  • the face cover 12 may be in close contact with the user's face with the first filter 41, which will be described later, interposed therebetween. That is, the face cover 12 may not directly contact the user's face. Details about this will be described later.
  • the face cover 12 may be disposed at the rear edge of the mask body 11 to face the user's face.
  • the face cover 12 may have a shape extending along the edge of the mask body 11.
  • the face cover 12 may have a shape extending along the rear edge of the mask body 11.
  • the face cover 12 may have a ring shape forming a closed loop.
  • the face cover 12 may include an elastic material. When the user wears the mask 1, the face cover 12 can be pressed by the user's face, thereby improving the airtightness of the mask 1.
  • the face cover 12 may include at least one of sponge, rubber, or synthetic resin.
  • the face cover 12 may include various known materials to improve the airtightness of the mask 1.
  • the mask body 10 may form a breathing space (A).
  • Breathing space (A) may refer to a space where the user can breathe while wearing the mask (1).
  • breathing space A may be defined by mask body 11 and face cover 12.
  • the breathing space (A) may refer to a space surrounded by the mask body 11 and the face cover 12.
  • Breathing space (A) may refer to the internal space of the mask (1).
  • the mask body 10 may include a fixing part that can be fixed to at least a part of the user's body. The user can easily wear the mask 1 through the fixing part.
  • the fixing part may include an earring part 13.
  • the earring unit 13 may be provided to be hung on the user's ear.
  • the earring unit 13 may include a left earring unit 13a provided to be hung on the user's left ear, and a right earring unit 13b provided to be hung on the user's right ear.
  • the earring portion 13 may be detachably mounted on the mask body 10. However, it is not limited to this, and the earring portion 13 may be formed integrally with the mask body 10.
  • 3 is an exploded view of an example of a mask according to an embodiment.
  • 4 is an exploded view of an example of a mask according to an embodiment.
  • the mask 1 may include a blowing device 30 .
  • the blower 30 may be provided to force air to flow.
  • the blowing device 30 may be provided to generate airflow in the inner space of the mask 1.
  • the blower 30 can facilitate the flow of air in the breathing space (A).
  • the blower 30 may suck external air into the mask 1 when the user inhales.
  • the blower 30 may discharge the air inside the mask 1 to the outside of the mask 1 when the user exhales.
  • the blowing device 30 may be placed in the breathing space (A).
  • the blowing device 30 may be detachably mounted on the mask body 10.
  • the blower 30 may be detachably mounted on the rear of the mask body 11.
  • the blower 30 may be coupled to the rear of the mask body 11 through a holder 20, which will be described later.
  • the blowing device 30 may include a mounting portion 34 that can be coupled to the holder 20.
  • the present invention is not limited to this, and the blower 30 may be directly coupled to the rear of the mask body 11 without a separate component (eg, holder 20).
  • the blowing device 30 may be formed integrally with the mask body 11.
  • the blowing device 30 may be covered by the mask body 11.
  • the blower 30 may not be exposed to the outside of the mask 1. That is, since the blower 30 is not exposed to the front of the mask 1, the front 11a of the mask body 11 can maintain a neat appearance. That is, the aesthetics of the mask 1 can be improved.
  • the blower 30 may include at least one blower module.
  • the blowing device 30 may include a first blowing module 31 and a second blowing module 32. Either the first blowing module 31 or the second blowing module 32 may be provided to suck in external air. The other one of the first blowing module 31 and the second blowing module 32 may be provided to discharge the air inside the mask 1 to the outside.
  • the first blowing module 31 and the second blowing module 32 may be arranged laterally side by side.
  • a connection portion 33 may be provided between the first blowing module 31 and the second blowing module 32.
  • the first blowing module 31 and the second blowing module 32 may be provided as a single configuration.
  • the blowing module may be referred to as a blowing unit or a blowing assembly.
  • the mask 1 may include a filter 40 .
  • the filter 40 may be provided to filter foreign substances in the outside air.
  • the filter 40 may be provided to filter foreign substances such as fine dust, atmospheric gas, or viruses in the air. This can prevent foreign substances from entering the user's respiratory tract.
  • Filter 40 may be placed in the breathing space (A).
  • the filter 40 may be detachably mounted on the mask body 10.
  • the filter 40 may be detachably mounted on the rear of the mask body 11.
  • the filter 40 may be coupled to the rear of the mask body 11 through a holder 20, which will be described later.
  • the filter 40 may include filter coupling portions 412 and 422 that can be coupled to the holder 20.
  • the present invention is not limited to this, and the filter 40 may be directly coupled to the rear of the mask body 11 without a separate component (eg, holder 20).
  • the filter 40 may be disposed behind the blower 30.
  • the air introduced into the mask 1 by the blowing force of the blowing device 30 may be filtered by the filter 40 and then flow into the user's respiratory tract.
  • the air discharged by the user may be filtered by the filter 40 and then discharged to the outside of the mask 1 by the blowing force of the blowing device 30.
  • Filter 40 may be composed of at least one filter.
  • the filter 40 may include a first filter 41 .
  • the first filter 41 may include a first filter body 411 and a first filter coupling portion 412.
  • the first filter body 411 may be provided to filter external air introduced into the breathing space (A) through the blower 30.
  • the first filter body 411 may be provided to cover the rear of the blower 30.
  • the first filter body 411 may be provided in a size corresponding to the mask body 11.
  • the first filter body 411 may be disposed behind the face cover 12.
  • the first filter body 411 may be disposed between the face cover 12 and the user's face. Details about this will be described later.
  • the first filter coupling portion 412 may be detachably coupled to the mask body 10 so that the first filter 41 can be mounted on the mask body 10.
  • the first filter coupling portion 412 may be detachably coupled to the rear of the mask body 11.
  • the first filter coupling portion 412 may be detachably coupled to the holder 20.
  • the first filter coupling portion 412 may be provided to be mounted on the holder 20.
  • the first filter coupling portion 412 may include a first filter coupling hole 412h so as to be caught in the first coupling portion 24 of the holder 20, which will be described later.
  • the present invention is not limited to this, and the first filter coupling portion 412 may be directly coupled to the rear of the mask body 11 without a separate component (eg, holder 20).
  • the first filter coupling portion 412 may extend from the first filter body 411. However, the present invention is not limited to this, and the first filter coupling portion 412 may be formed on the first filter body 411.
  • the first filter coupling hole 412h may be formed through the first filter body 411.
  • the first filter coupling portion 412 may be provided as a pair.
  • the first filter coupling portion 412 may be provided on the left side of the user's face and the right side of the user's face, respectively.
  • the first filter coupling portion 412 may be disposed at the rear of the mask body 11.
  • the first filter coupling portion 412 may be disposed between the mask body 11 and the face cover 12. Details about this will be described later.
  • the filter 40 may include a first filter 41 and a second filter 42 . Since the description of the first filter 41 is redundant, detailed description will be omitted.
  • the second filter 42 may be placed in front of the first filter 41.
  • the second filter 42 may be disposed between the mask body 11 and the first filter 41.
  • the second filter 42 may be disposed between the blower 30 and the first filter 41.
  • the second filter 42 may include a second filter body 421 and a second filter coupling portion 422.
  • the second filter body 421 may be provided to filter external air introduced into the breathing space (A) through the blower 30.
  • the second filter body 421 may be disposed in front of the first filter body 411 to primarily filter external air.
  • the second filter body 421 may be provided to cover the rear of the blower 30.
  • the second filter body 421 may be provided in a size corresponding to the mask body 11.
  • the second filter coupling portion 422 may be detachably coupled to the mask body 10 so that the second filter 42 can be mounted on the mask body 10.
  • the second filter coupling portion 422 may be detachably coupled to the rear of the mask body 11.
  • the second filter coupling portion 422 may be detachably coupled to the holder 20.
  • the second filter coupling portion 422 may be provided to be mounted on the holder 20.
  • the second filter coupling portion 422 may include a second filter coupling hole 422h so as to be caught in the first coupling portion 24 of the holder 20, which will be described later.
  • the present invention is not limited to this, and the second filter coupling portion 422 may be directly coupled to the rear of the mask body 11 without a separate component (eg, holder 20).
  • the second filter coupling portion 422 may be formed in the second filter body 421.
  • the second filter coupling hole 422h may be formed through the second filter body 421.
  • the second filter coupling portion 422 may extend from the second filter body 421 (421), and the second filter coupling hole 422h may be an extended second filter coupling portion ( 422) can be formed through.
  • the second filter coupling portion 422 may be provided as a pair.
  • the second filter coupling portion 422 may be provided on the left side of the user's face and the right side of the user's face, respectively.
  • the first filter 41 may be an AD grade filter
  • the second filter 42 may be a KF grade filter.
  • the first filter 41 adjacent to the user's face is composed of a relatively thin and inexpensive AD grade filter, and can be arranged to be replaced frequently.
  • the first filter 41 may be a KF grade filter
  • the second filter 42 may be an AD grade filter.
  • both the first filter 41 and the second filter 42 may be KF grade filters, or both the first filter 41 and the second filter 42 may be AD grade filters.
  • the types of the first filter 41 and the second filter 42 may be configured in various ways depending on the user's selection. That is, of course, the first filter 41 and the second filter 42 can be made of various materials as long as they filter foreign substances in the air.
  • the filter 40 includes only the first filter 41 or the first filter 41 and the second filter 42. However, it is not limited to this, and the filter 40 may include one first filter 41 and a plurality of second filters 42. Alternatively, the filter 40 may include a plurality of first filters 41 and one second filter 42. Alternatively, the filter 40 may include a plurality of first filters 41 and a plurality of second filters 42. The plurality of first filters 41 may be arranged to be stacked along the front-back direction (X direction). The plurality of second filters 42 may be arranged to be stacked along the front-back direction (X direction).
  • Mask 1 may include a holder 20.
  • the holder 20 may be provided to mount the blowing device 30 on the mask body 10.
  • the holder 20 may be provided to mount the blowing device 30 on the mask body 11.
  • the holder 20 may be provided to mount the filter 40 on the mask body 10.
  • the holder 20 may be provided to mount the filter 40 on the mask body 11.
  • the holder 20 may be placed at the rear of the mask body 11.
  • the holder 20 may be detachably coupled to the rear surface 11b of the mask body 11. That is, the holder 20 may be provided in a separate configuration from the mask body 10 and coupled to the mask body 11.
  • the present invention is not limited to this, and the holder 20 may be formed integrally with the mask body 11.
  • the holder 20 may be provided as a component of the mask body 10.
  • the holder 20 may include a holder body 21.
  • the holder body 21 may form the exterior of the holder 20.
  • the holder body 21 may include a first mounting body 22 on which the blowing device 30 is mounted and a second mounting body 23 on which the filter 40 is mounted.
  • the first mounting body 22 may be provided to correspond to the mounting portion 34 of the blower 30.
  • the first mounting body 22 and the mounting portion 34 may be provided with magnets so that they are attached to each other by attraction.
  • the first mounting body 22 of the holder 20 and the mounting portion 34 of the blower 30 may be coupled by various known coupling methods.
  • the second mounting body 23 may be provided to correspond to the filter coupling portions 412 and 422 of the filter 40.
  • the second mounting body 23 may include a first coupling portion 24.
  • the first coupling portion 24 may be detachably coupled to the first filter coupling portion 412 of the first filter 41 .
  • the first coupling portion 24 may be detachably coupled to the second filter coupling portion 422 of the second filter 42.
  • the first coupling portion 24 may be detachably coupled to the second coupling portion 14 of the face cover 12, which will be described later.
  • the first coupling portion 24 may be provided to protrude rearward from the holder body 20.
  • the first coupling portion 24 may be referred to as a coupling protrusion 24.
  • the first filter coupling hole 412h of the first filter 41 may be provided to be caught by the coupling protrusion 24.
  • the second filter coupling hole 422h of the second filter 42 may be provided to be caught by the coupling protrusion 24.
  • the first coupling portion 24 of the holder 20 and the filter coupling portions 412 and 422 of the filter 40 may be coupled by various known coupling methods. .
  • the holder 20 may include a plurality of modules.
  • the holder 20 may include a first holder 20a corresponding to the first blowing module 31 and a second holder 20b corresponding to the second blowing module 32.
  • the first holder 20a and the second holder 20b may be arranged laterally side by side.
  • the first holder 20a and the second holder 20b may be arranged side by side in the left and right direction (Y direction).
  • Each of the first holder 20a and the second holder 20b may include a holder body 21, a first mounting body 22, and a second mounting body 23.
  • the holder 20 can be provided as a single module.
  • FIG. 5 is a diagram illustrating an example of a mask body according to an embodiment.
  • FIG. 6 is a view showing the face cover of the mask body shown in FIG. 5 in an open state.
  • FIG. 7 is a diagram showing a state in which a blowing device is aligned with the mask body shown in FIG. 6.
  • FIG. 8 is a diagram showing a state in which a blowing device is coupled to the mask body shown in FIG. 7.
  • FIG. 9 is a diagram showing a state in which a filter is aligned on the mask body shown in FIG. 8.
  • FIG. 10 is a diagram showing a state in which a filter is coupled to the mask body shown in FIG. 9.
  • FIG. 11 is a diagram showing another filter aligned to the mask body shown in FIG. 10.
  • FIG. 12 is a diagram showing another filter being coupled to the mask body shown in FIG. 11.
  • FIG. 13 is a diagram showing another filter coupled to the mask body shown in FIG. 12.
  • FIG. 14 is a cross-sectional view
  • the filter 40 is composed of the first filter 41 and the second filter 42 as an example.
  • the filter 40 can of course be provided in various configurations.
  • the holder 20 may be placed behind the mask body 11 .
  • the holder 20 may be coupled to the rear surface 11b of the mask body 11.
  • the holder 20 may be placed between the mask body 11 and the face cover 12.
  • the face cover 12 may be disposed at the rear of the mask body 11.
  • the face cover 12 may extend along the rear edge of the mask body 11.
  • the face cover 12 may include a shape corresponding to the user's face.
  • the face cover 12 may be provided to cover at least a portion of the holder 20.
  • the mask body 11 and the face cover 12 may be provided to form a breathing space (A).
  • a holder 20 may be placed in the breathing space (A).
  • the face cover 12 may be provided to open the rear of the mask body 11.
  • the face cover 12 may allow at least a portion of the mask body 11 to be exposed to the rear.
  • the face cover 12 can open the rear of the mask body 11 so that the blower 30 can easily enter the breathing space A.
  • the face cover 12 may open the rear of the mask body 11 so that the filter 40 can easily enter the breathing space A.
  • the mask body 11 covered by the face cover 12 may be exposed to the rear as the face cover 12 is opened.
  • at least a portion of the holder 20 may be exposed rearwardly as the face cover 12 is opened.
  • the second mounting body 23 of the holder 20 covered by the face cover 12 can be exposed to the rear.
  • the first coupling portion 24 of the holder 20 covered by the face cover 12 may be exposed to the user.
  • the face cover 12 may include a first cover part 121 and a second cover part 122 disposed below the first cover part 121.
  • the first cover part 121 may be provided to cover the user's nose.
  • the first cover portion 121 may be provided to cover the user's cheek.
  • the first cover portion 121 may be provided to cover a portion of the cheek adjacent to the user's nose.
  • the first cover part 121 may be referred to as the upper cover part 121.
  • the second cover portion 122 may be provided to cover the user's chin.
  • the second cover portion 122 may be provided to cover the user's cheek.
  • the second cover portion 122 may be provided to cover a portion of the cheek adjacent to the user's chin.
  • the second cover part 122 may be referred to as the lower cover part 122.
  • the rear of the mask body 11 can be opened. there is. As the rear of the mask body 11 is opened, at least a portion of the holder 20 may be exposed.
  • the blower 30 may be placed in the breathing space A.
  • the blower 30 With the face cover 12 opening the rear of the mask body 11, the blower 30 can be mounted on the mask body 10.
  • the blower 30 may be detachably mounted on the first mounting body 22 of the holder 20. Thereby, the blower 30 can be placed in the breathing space A without interfering with the face cover 12.
  • the blower 30 can be separated from the mask body 10. That is, the blowing device 30 can be withdrawn from the breathing space A without interfering with the face cover 12.
  • attachment and detachment of the blower device 30 becomes easy.
  • the second filter 42 may be mounted on the mask body 10.
  • the second filter coupling portion 422 of the second filter 42 is connected to the first coupling portion 24 of the holder 20.
  • the second filter coupling hole 422h may be provided to be caught on the first coupling portion 24.
  • the second filter 42 can be placed in the breathing space A without interfering with the face cover 12.
  • the second filter 42 can be mounted on the mask body 10 without interfering with the face cover 12. The user does not have to forcefully insert the second filter 42 between the mask body 11 and the face cover 12.
  • the second filter 42 may be separated from the mask body 10 without interfering with the face cover 12. Ultimately, since it is easy to attach and detach the second filter 42 and/or replace the second filter 42, the ease of use of the mask 1 can be improved.
  • the second filter 42 may be provided to cover the rear of the blower 30 as it is coupled to the holder 20. As a result, the blower 30 may not be exposed to the rear of the mask body 11. When the user wears the mask 1, the blower 30 may be arranged so as not to be visible to the user. That is, the aesthetics of the mask 1 can be improved.
  • the second filter 42 may be mounted on the mask body 10.
  • the first filter coupling portion 412 of the first filter 41 is connected to the first coupling portion 24 of the holder 20.
  • the first filter coupling hole 412h may be provided to be caught on the first coupling portion 24 of the holder 20. Accordingly, the first filter 41 can be placed in the breathing space A without interfering with the face cover 12.
  • the first filter 41 can be mounted on the mask body 10 without interfering with the face cover 12. The user does not have to forcefully insert the first filter 41 between the mask body 11 and the face cover 12.
  • the first filter 41 may be separated from the mask body 10 without interference with the face cover 12. Ultimately, since it is easy to attach and detach the first filter 41 and/or replace the first filter 41, the ease of use of the mask 1 can be improved.
  • the filter 40 when the filter 40 consists of only the first filter 41, the first filter 41 may be provided to cover the rear of the blower 30 as it is coupled to the holder 20. there is. As a result, the blower 30 may not be exposed to the rear of the mask body 11. When the user wears the mask 1, the blower 30 may be arranged so as not to be visible to the user. That is, the aesthetics of the mask 1 can be improved.
  • the filter body 411 may be placed behind the face cover 12.
  • the filter body 411 may be disposed outside the rear of the face cover 12.
  • the filter body 411 may be disposed between the face cover 12 and the user's face.
  • the filter body 411 may be provided to contact the user's face.
  • the filter body 411 may be provided to be in close contact with the user's face.
  • the filter coupling portion 412 may be disposed between the mask body 11 and the face cover 12. In a state where the face cover 12 opens the rear of the mask body 11, the filter coupling portion 412 may be provided to enter between the mask body 11 and the face cover 12.
  • the filter coupling portion 412 may be disposed between the second mounting body 23 of the holder 20 and the face cover 12.
  • the filter coupling portion 412 may be disposed between the second filter 42 and the face cover 12.
  • the face cover 12 may include a second coupling portion 14.
  • the first cover part 121 or the second cover part 122 may include a second coupling part 14.
  • the second cover part 122 is shown as including the second coupling part 14, but it is not limited thereto and the first cover part 121 may include the second coupling part 14. .
  • both the first cover part 121 and the second cover part 122 may include the second coupling part 14.
  • the second coupling portion 14 may be detachably coupled to the first coupling portion 24 of the holder 20 .
  • the second coupling portion 14 of the face cover 12 is coupled to the first coupling portion 24 of the holder 20.
  • the filter 41 can be stably mounted on the mask body 11 and the face cover 12. For example, as the first cover portion 121 rotates downward of the mask body 11 and the second cover portion 122 rotates upward of the mask body 11, the second coupling portion 14 Can be provided at a position corresponding to the first coupling portion 24. As the corresponding first coupling portions 24 and second coupling portions 14 are coupled to each other, the filter 40 may be fixed to the mask body 10 .
  • the first filter body 411 of the first filter 41 may be arranged to face the user's face.
  • the first filter body 411 may be exposed to the rear of the mask 1.
  • the first filter coupling portion 412 of the first filter 41 is disposed between the mask body 11 and the face cover 12 and may not be exposed to the rear of the mask 1.
  • the face cover is provided to be in direct contact with the user's face.
  • the face cover can easily become contaminated with makeup, secretions, etc. Accordingly, additional cleaning of the face cover is necessary. Additionally, as the face covering becomes contaminated, the lifespan of the mask may be shortened.
  • the face cover 12 does not directly contact the user's face.
  • the face cover 12 is in close contact with the user's face with the first filter 41 in between, so it may not be easily contaminated by makeup, secretions, etc. That is, instead of the face cover 12, the first filter 41 may be provided to directly contact the user's face.
  • the hygiene of the mask 1 can be effectively managed by replacing the first filter 41. Additionally, additional cleaning of the face cover 12 becomes unnecessary, and since the face cover 12 is not easily contaminated, the lifespan of the mask 1 can be extended.
  • Figure 15 is an enlarged view showing an example of a first coupling portion of a mask according to an embodiment.
  • Figure 16 is an enlarged view showing an example of a second coupling part of a mask according to an embodiment.
  • the first coupling portion 24 of the holder 20 may be formed on the second mounting body 23.
  • the first coupling portion 24 may include a neck portion 241 and a head portion 242.
  • the neck portion 241 may protrude from the holder body 21 toward the rear of the mask body 11.
  • the neck portion 241 may have a first diameter d1.
  • the head portion 242 may extend from the neck portion 241.
  • the head portion 242 may protrude from the neck portion 241 toward the rear of the mask body 11.
  • the head portion 242 may have a second diameter d2 that is larger than the first diameter of the neck portion 241.
  • the second coupling portion 14 of the face cover 12 may be provided to face the first coupling portion 24 of the holder 20.
  • the second coupling portion 14 is shown as being formed on the second cover portion 122, but the present invention is not limited thereto.
  • the second coupling portion 14 may be formed in the first cover portion 121.
  • the second coupling portion 14 may be formed on the first cover portion 121 and the second cover portion 122.
  • the second coupling portion 14 may include a groove portion 141.
  • the groove portion 141 may be provided to accommodate the head portion 242.
  • the second coupling portion 14 may include a protrusion 142 formed in the groove portion 141.
  • the protrusion 142 may be provided to catch the head portion 242 to prevent the head portion 242 from being separated from the groove portion 141.
  • the protrusion 142 may be formed on the inner surface of the groove 141.
  • the third diameter d3 of the groove 141 where the protrusion 142 is formed may be equal to or smaller than the second diameter d2 of the head 242.
  • a plurality of protrusions 142 may be provided, and the plurality of protrusions 142 may be arranged to be spaced apart from each other along the circumferential direction of the groove 141 .
  • FIG. 17 is a diagram illustrating an example of a face cover of a mask in an open state according to an embodiment.
  • the face cover 12 may include a third cover part 123 and a fourth cover part 124.
  • the third cover portion 123 may be provided to cover the left side of the user's face.
  • the third cover portion 123 may be provided to cover the user's left nose, left cheek, and left chin.
  • the third cover part 123 may be referred to as the left cover part.
  • the fourth cover portion 124 may be provided to cover the right side of the user's face.
  • the fourth cover portion 124 may be provided to cover the user's right nose, right cheek, and right chin.
  • the fourth cover part 124 may be referred to as a right cover part.
  • the rear of the mask body 11 will be opened. You can. As the third cover part 123 and the fourth cover part 124 rotate, a portion of the rear of the mask body 11 may be exposed. As the third cover part 123 and the fourth cover part 124 rotate, a portion of the rear of the holder 20 may be exposed. With the rear of the mask body 11 open, the blower 30 and/or the filter 40 can be attached and detached to the holder 20.
  • Figure 18 is a diagram illustrating an example of a mask filter mounting process according to an embodiment.
  • the filter 40 can be attached and detached to the face cover 12. That is, unlike the above-described example, in a state where the face cover 12 does not open the rear of the mask body 11, the first filter 41 can be mounted directly on the rear of the face cover 12.
  • the first filter 41 may not include a separate first filter coupling portion 412.
  • the first filter 41 may be attached to the face cover 12 through a magnet, Velcro, adhesive, or the like.
  • a magnet Velcro
  • adhesive any known coupling means can be applied.
  • first filter 41 is shown as being attachable and detachable to the rear of the face cover 12, but it is not limited thereto.
  • the second filter 42 may also be provided to be attachable and detachable to the rear of the face cover 12.
  • Figure 19 is a diagram illustrating an example of a mask filter storage process according to an embodiment.
  • an extra filter 40a can be stored in the mask body 10.
  • an extra filter 40a can be inserted into the space between the face cover 12 and the mask body 11. Accordingly, when the filter 40 needs to be replaced, the extra filter 40a stored between the face cover 12 and the mask body 11 can be taken out and then mounted on the mask body 10. Accordingly, storage and/or replacement of the filter 40 may be easy.
  • a pocket may be provided between the face cover 12 and the mask body 11.
  • the extra filter 40a can be stored in the pocket.
  • pockets can be arranged to be partitioned.
  • Figure 20 is a perspective view of an example of a mask blowing device according to an embodiment.
  • Figure 21 is a rear perspective view of the blower shown in Figure 20.
  • FIG. 22 is an exploded view of the blower shown in FIG. 20.
  • the blowing device 30 may include a first blowing module 31 and a second blowing module 32.
  • the first blowing module 31 may be provided to suck in external air.
  • the first blowing module 31 may allow external air to flow into the inside of the mask 1.
  • the first blowing module 31 may be provided to suck external air into the breathing space (A).
  • the first blowing module 31 may include a first case 311 that forms the exterior of the first blowing module 31.
  • the first case 311 may include a first front case 311a provided to face the mask body 11 and a first rear case 311b provided to face the user's face. there is.
  • the first case 311 may include a first opening 314 and a second opening 315. External air may be introduced into the first blowing module 31 through the first opening 314.
  • the first opening 314 may be referred to as an intake port 314.
  • the air that has passed inside the first blowing module 31 may be discharged into the breathing space (A) through the second opening 315.
  • the first opening 314 may be formed in the first front case 311a
  • the second opening 315 may be formed in the first rear case 311b.
  • the first blowing module 31 may include a blowing filter 312.
  • the blowing filter 312 may be provided to filter air flowing into the first blowing module 31.
  • the blowing filter 312 may include a HEPA filter.
  • the blowing filter 312 may include various filters.
  • the blowing filter 312 may be mounted on the first case 311.
  • the blowing filter 312 may be detachably mounted on the blowing filter mounting portion 316 formed in the first case 311.
  • the blowing filter 312 may be disposed to correspond to the first opening 314. Accordingly, external air that has passed through the blowing filter 312 may be sucked into the first blowing module 31 through the first opening 314.
  • the first blowing module 31 may include a fan assembly 313.
  • the fan assembly 313 may generate blowing force to suck in external air.
  • the fan assembly 313 may form an airflow inside the mask 1.
  • the fan assembly 313 may include a fan 3131 that generates blowing force and a fan case 3132 that accommodates the fan 3131.
  • the fan assembly 313 may further include a fan driving unit (not shown) configured to drive the fan 3131.
  • the fan assembly 313 may include a communication portion 3133.
  • the communication portion 3133 may be formed in the fan case 3132.
  • the communication portion 3133 may be disposed to correspond to the discharge side of the fan 3131.
  • the communication part 3133 may be provided to communicate with the second opening 315. Air discharged from the communication part 3133 may flow into the breathing space (A) through the second opening 315.
  • the fan assembly 313 may be disposed inside the first blowing module 31.
  • the fan assembly 313 may be accommodated in the first case 311.
  • the fan assembly 313 may be detachably mounted on the fan assembly mounting portion 317 formed in the first case 311.
  • the fan assembly mounting portion 317 may include a fixing rib 3171 provided to fix the fan assembly 313.
  • the fixing rib 3171 may protrude toward the fan assembly 313.
  • the fixing rib 3171 may be provided to secure the outer edge of the fan case 3132.
  • the fan assembly mounting portion 317 may include a fixing protrusion 3172 provided to fix the fan assembly 313.
  • the fixing protrusion 3172 may protrude toward the fan assembly 313.
  • the case hole 3134 formed in the fan case 3132 may be detachably coupled to the fixing protrusion 3172.
  • the case hole 3134 of the fan assembly 313 may be inserted into the fixing protrusion 3172 of the fan assembly mounting portion 317.
  • the fan assembly 313 may be electrically connected to a control assembly 323, which will be described later.
  • the fan assembly 313 may include a wire (not shown) connected to the control assembly 323.
  • the wire of the fan assembly 313 may pass through the connection portion 33 and be connected to the control assembly 323.
  • the first blowing module 31 may be referred to as a suction module 31.
  • the second blowing module 32 may be provided to discharge air in the breathing space (A) to the outside of the mask (1).
  • the second blowing module 32 may be provided to discharge the air inside the mask 1 to the outside of the mask 1.
  • the second blowing module 32 may be disposed on the side of the first blowing module 31.
  • the second blowing module 32 may include a second case 321 that forms the exterior of the second blowing module 32.
  • the second case 321 may include a second front case 321a provided to face the mask body 11 and a second rear case 321b provided to face the user's face. there is.
  • the second case 321 may include a third opening 325 and a fourth opening 326. After the user exhales, the air inside the breathing space (A) may be introduced into the second blowing module 32 through the third opening 325. Air passing through the second blowing module 32 may be discharged to the outside of the mask 1 through the fourth opening 326.
  • the fourth opening 326 may be referred to as an outlet 326.
  • the third opening 325 may be formed in the second rear case 321b, and the fourth opening 326 may be formed in the second front case 321a.
  • the second blowing module 32 may include a check valve 322.
  • the check valve 322 may be provided to prevent air discharged to the outside from flowing back into the breathing space (A).
  • the check valve 322 may only allow air to flow in the discharge direction. For example, check valve 322 may only allow forward flow of air.
  • the check valve 322 may include an opening and closing plate 3221 and a hinge 3222 formed on the opening and closing plate 3221.
  • the opening and closing plate 3221 may be provided to open and close the outlet 3221 as the hinge 3222 rotates.
  • the opening and closing plate 3221 may be provided to open the outlet 3221 when the user exhales.
  • the check valve 322 may be detachably coupled to the check valve mounting portion 327.
  • the check valve mounting portion 327 may include a hinge coupling portion 3271.
  • the hinge 3222 of the check valve 322 may be detachably coupled to the hinge coupling portion 3271. While the hinge 3222 is coupled to the hinge coupling portion 3271, the opening and closing plate 3221 may be arranged to rotate upward.
  • the check valve mounting portion 327 may be formed in the second front case 321a.
  • the second blowing module 32 may include a control assembly 323.
  • the control assembly 323 may be accommodated in the second case 321.
  • the control assembly 323 may be provided to be detachably mounted on the control assembly mounting portion 328 formed in the second case 321.
  • the control assembly 323 may be provided to control the operation of the mask 1.
  • the control assembly 323 may be provided so that electronic components are mounted on a circuit board.
  • a fan assembly 313 may be connected to the control assembly 323.
  • the control assembly 323 may control the operation of the fan assembly 313. Details about this will be described later.
  • a breathing detection sensor 60 may be connected to the control assembly 323.
  • the breathing detection sensor 60 may be provided to detect the user's breathing information. Details about this will be described later.
  • the second blowing module 32 may include a battery 324.
  • the battery 324 may be accommodated in the second case 321.
  • the battery 324 may be provided to be detachably mounted on the battery mounting portion 329 formed in the second case 321.
  • the battery 324 may be provided to supply power to the mask 1. Battery 324 may be provided to supply power to components of mask 1. For example, the battery 324 may be provided to supply power to the blower 30.
  • the blowing device 30 may include a charging terminal 35.
  • the charging terminal 35 can receive power from the outside.
  • the charging terminal 35 may be provided to charge the battery 324.
  • the charging terminal 35 may be electrically connected to the control assembly 323.
  • the charging terminal 35 may be provided in the second blowing module 32.
  • the charging terminal 35 may be provided in the first blowing module 31.
  • the blowing device 30 may include an input unit 50.
  • the input unit 50 may be provided to receive a user's command.
  • the input unit 50 may be provided to be connected to the control assembly 323.
  • the input unit 50 is shown as being provided in the second blowing module 32, but the present invention is not limited thereto, and the input unit 50 may be provided in the first blowing module 31.
  • the input unit 50 may include at least one of a button or a display. However, it is not limited to this, and the input unit 50 may be provided in various forms to receive user input.
  • the blowing device 30 may include a connection portion 33 connecting the first blowing module 31 and the second blowing module 32.
  • the connection portion 33 may guide a wire (not shown) that electrically connects the first blowing module 31 and the second blowing module 32.
  • the connection portion 33 may be provided to cover the wire.
  • the wire of the fan assembly 313 may pass through the guide passage 33a of the connection portion 33 and be connected to the control assembly 323.
  • Figure 23 is a control block diagram of a mask blowing device according to an embodiment.
  • the control assembly 323 may be provided to control the operation of the mask 1.
  • the control assembly 323 may include at least one processor (not shown) and at least one memory (not shown).
  • At least one processor of the control assembly 323 may generate an output control signal for controlling the operation of the fan assembly 313.
  • the control assembly 323 may be provided to control on/off, blowing intensity, etc. of the fan assembly 313.
  • At least one memory of the control assembly 323 may provide a control program and/or control data to the at least one processor according to a control signal of the at least one processor. At least one memory may provide user input received at the input unit 50 and/or data of the breathing detection sensor 60 to at least one processor, according to a control signal from the at least one processor.
  • Control assembly 323 may include various communication modules.
  • the control assembly 323 may be connected to a network wired or wirelessly to communicate with other electronic devices or servers.
  • the control assembly 323 can exchange data with the terminal 70, such as a PC, smartphone, tablet, or wearable device.
  • the control assembly 323 may control the operation of the mask 1 according to user input.
  • the control assembly 323 may control the operation of the blower 30 according to user input.
  • the control assembly 323 may control the operation of the fan assembly 313 according to user input.
  • the control assembly 323 may control the operation of the fan assembly 313 based on the user input received through the input unit 50.
  • the control assembly 323 may be provided to control the on/off, blowing intensity, etc. of the fan assembly 313 based on information from the input unit 50.
  • the breathing detection sensor 60 may detect the user's breathing and transmit the detected information to the control assembly 323.
  • the control assembly 323 may control the operation of the fan assembly 313 based on information detected by the respiration sensor 60.
  • the control assembly 323 may be provided to control the on/off, blowing intensity, etc. of the fan assembly 313 based on information detected by the respiration sensor 60.
  • the respiration sensor 60 may include a pressure sensor.
  • the control assembly 323 may be provided to determine whether the user is wearing the mask 1 based on information detected by the respiration sensor 60. For example, when the pressure detected by the respiration sensor 60 is below a preset value, the fan assembly 313 may be arranged to automatically turn off. For example, when the pressure detected by the respiration sensor 60 exceeds a preset value, the fan assembly 313 may be arranged to automatically turn on.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

La présente invention concerne un masque pouvant comprendre : un corps de masque ; un couvre-visage qui est disposé à l'arrière du corps de masque de façon à empêcher l'air de s'écouler entre le corps de masque et le visage d'un utilisateur, et qui forme un espace de respiration conjointement avec le corps de masque ; un dispositif de ventilation disposé dans l'espace de respiration de façon à forcer l'écoulement d'air ; et un filtre comprenant un corps de filtre, qui est disposé entre le couvre-visage et le visage de l'utilisateur de façon à filtrer l'air externe introduit dans l'espace de respiration à travers le dispositif de ventilation, et une partie de couplage de filtre, qui s'étend à partir du corps de filtre de façon à être disposée entre le corps de masque et le couvre-visage.
PCT/KR2023/008613 2022-08-26 2023-06-21 Masque WO2024043472A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220107971A KR20240029465A (ko) 2022-08-26 2022-08-26 마스크
KR10-2022-0107971 2022-08-26

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WO2024043472A1 true WO2024043472A1 (fr) 2024-02-29

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PCT/KR2023/008613 WO2024043472A1 (fr) 2022-08-26 2023-06-21 Masque

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KR (1) KR20240029465A (fr)
WO (1) WO2024043472A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180078798A1 (en) * 2015-04-03 2018-03-22 Microsfere Pte. Ltd. Respiratory masks, systems and methods
KR101932445B1 (ko) * 2017-03-16 2018-12-26 주식회사 에버그린 위생 마스크
CN208624691U (zh) * 2018-08-10 2019-03-22 吕文裕 可更换滤片的口罩
CN211961025U (zh) * 2020-03-27 2020-11-20 江苏飒美特服饰有限公司 一种可更换滤片的口罩
KR102402886B1 (ko) * 2019-07-22 2022-05-26 코닌클리케 필립스 엔.브이. 안면 마스크
KR20220095629A (ko) * 2020-12-30 2022-07-07 이해곤 팬 회전 방식 마스크장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180078798A1 (en) * 2015-04-03 2018-03-22 Microsfere Pte. Ltd. Respiratory masks, systems and methods
KR101932445B1 (ko) * 2017-03-16 2018-12-26 주식회사 에버그린 위생 마스크
CN208624691U (zh) * 2018-08-10 2019-03-22 吕文裕 可更换滤片的口罩
KR102402886B1 (ko) * 2019-07-22 2022-05-26 코닌클리케 필립스 엔.브이. 안면 마스크
CN211961025U (zh) * 2020-03-27 2020-11-20 江苏飒美特服饰有限公司 一种可更换滤片的口罩
KR20220095629A (ko) * 2020-12-30 2022-07-07 이해곤 팬 회전 방식 마스크장치

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