KR20200002107A - Switching unit for oxygen-supplying and mask including the same - Google Patents

Abstract

The present invention relates to an oxygen supply unit provided with an opening and closing member, which comprises: a body member which is open in the one direction and forms a space therein; a solid oxygen disposed in the body member; a cover member forming at least one hole in one surface, and engageable with body member; a blocking member for sealing the hole of the cover member; and an opening and closing member having at least one protruding rib on one surface thereof, wherein the protruding rib penetrates the blocking member to start the oxygen generation.

Description

Switching unit for oxygen-supplying and mask including the same}

The present invention relates to an oxygen supply unit having an opening and closing member and a mask including the same, and more particularly, the oxygen supply unit, which is released in a sealed state to prevent the outflow of oxygen, by pressing or rotating coupling of the opening and closing member. The present invention relates to an oxygen supply unit having an opening and closing member that can be conveniently used anytime and anywhere when the user needs oxygen supply, and a mask including the same.

In modern cities, everyday life is led by changes in the natural environment such as climate change, desertification, yellow dust, and exposure to air polluted by artificially produced fine dust such as automobile smoke and factory smoke. In particular, the bronchus is directly exposed to fine dust due to respiration, and thus, the occurrence of respiratory diseases such as cough, asthma and bronchitis is increasing. As the harmful substances in the air increase, the number of deaths from respiratory diseases is gradually increasing. In particular, Seoul has higher dust concentration than other large cities due to the effects of fine dust and yellow dust.

According to information released by the Ministry of Environment Air Quality Annual Report 2013, as in many big cities in the fine dust concentration in Seoul 45μg / m ³ of about 1.5 times the level of about three times in London ^{18μg / m 3, LA 30μg /} m 3 It can be seen that high. Therefore, it is necessary to protect the bronchus from fine dust and various harmful substances, and many people wear masks when they go out for this purpose.

Conventional general health masks or dust masks have been invented to prevent inhalation of airborne dust and fine dust, etc., and have a much higher rate of blocking fine dust than normal masks, and can adjust the shape according to the surface of the face. It comprises a metal implant. In addition, by including a filter for blocking harmful substances inside the mask can block the fine dust or other harmful substances contained in the outside air.

However, the general mask blocks the fine dust contained in the outside air to allow the user to drink clean air when inhaling, but it does not include the function to generate fresh oxygen can feel frustrated. In addition, due to breathing occurs during the exhalation moisture can be filled inside the mask to feel unpleasant, and long-term use of the breathing becomes poor, oxygen is deficient and weak lung capacity complains of anemia. In addition, the mask is easily damp and many bacteria grow inside, causing skin diseases such as rash and inflammation.

In order to solve the above problems, many studies have been conducted, and in particular, Patent Documents 1 to 2 propose a technique for improving the wearing environment of the user wearing the mask and human body protection. First, 'Patent Document 1' is an air blocking mask, which is provided with a main body and a hook band like a general life mask, and forms an opening in the center of the main body, and a plurality of wrinkles are formed on the front side of the main body to expand the air pocket. By installing an expansion member with a part to blow air through the opening at the back of the main body, the air bag part is expanded so that air can be breathed by using the air inside the air bag part while blocking the inflow of outside air in a situation such as a fire. There are technical features to this. 'Patent Document 2' has a technical feature of preventing dust from entering the respirator of the user as a mask for preventing dust and antifog and dispersing air discharged from the respirator of the user in a plurality of directions.

However, while general masks provide a dustproof function or provide a way to keep the interior comfortable by dispersing the user's breath, there is no way to improve the air quality by generating oxygen during the user's breathing. It does not include technical features to initiate or control such oxygen generation.

Republic of Korea Patent Publication No. 10-1161848 (July 4, 2012) Republic of Korea Patent Publication No. 10-1648577 (2016.08.16. Notification)

The present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.

An object of the present invention is to open and close the oxygen supply unit released in the sealed state to prevent the outflow of oxygen by pressing or rotating coupling of the opening and closing member can be used anytime and anywhere easily when the user needs oxygen supply An oxygen supply unit having a member and a mask including the same are provided.

Still other objects of the present invention will become more apparent from the following detailed description and drawings.

Oxygen supply unit having an opening and closing member of the present invention is a body member which is open in one direction and forms a space therein; Solid oxygen disposed in the body member; A cover member which forms at least one hole in one surface and is coupled to the body member; Blocking member for sealing the hole of the cover member; And at least one protruding rib on one surface thereof, wherein the protruding rib penetrates the blocking member to start the oxygen generation.

The body member has at least one protruding protrusion on one surface, the cover member has at least one cover groove on the other surface corresponding to the protruding protrusion, and the protruding protrusion is fitted to the cover groove can do.

The cover member includes at least one concave portion formed along an inner circumferential surface thereof, and the opening and closing member includes a convex portion corresponding to the concave portion formed along an outer circumferential surface thereof. The protruding rib may penetrate the blocking member by fitting the convex portion of the opening and closing member to the concave portion of the cover member.

The cover member has an internal thread portion formed along an inner circumferential surface thereof, and the opening / closing member has a male thread portion corresponding to the female thread portion on an outer circumferential surface thereof. The protruding ribs may penetrate the blocking member by the rotational coupling with the male threaded portion of the opening and closing member and the female threaded portion of the cover member.

The solid oxygen is any one of a nonwoven fabric, fabric, polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA) or polylactic acid (PLA) Bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, charcoal may be further provided with a packaging unit packaged to include at least one or more selectively.

The opening and closing member may further comprise a handle portion.

A mask including an oxygen supply unit having an opening and closing member according to another embodiment of the present invention includes the oxygen supply unit according to any one of claims 1 to 9.

Oxygen supply unit of the present invention has an opening and closing member can start or effectively control the generation of oxygen.

In addition, the opening and closing member of the present invention can be easily and easily initiate the generation of oxygen by using a push coupling and a rotary coupling.

In addition, the opening and closing member of the present invention is provided with a protruding rib can easily penetrate the blocking member of the oxygen supply unit by pressing or rotating when the user wants to effectively start the generation of oxygen.

In addition, the mask of the present invention has an effect that can improve the air quality inside the mask by providing an oxygen supply unit.

 In addition, the solid oxygen of the present invention is hygienic by packaging once more into a packaging unit, and since the solid oxygen can be easily replaced after all use, the mask can be used many times.

Figure 1 (a) is a perspective view schematically showing an oxygen supply unit according to an embodiment of the present invention.
Figure 1 (b) is a plan view schematically showing an oxygen supply unit according to an embodiment of the present invention.
2 is a perspective view showing an example of the coupling structure of the oxygen supply unit according to an embodiment of the present invention.
Figure 3 is a schematic view showing a coupling example of the body member, solid oxygen and the cover member according to an embodiment of the present invention.
4 is a view schematically showing an example of coupling of the cover member, the blocking member and the opening and closing member according to an embodiment of the present invention.
5 (a) to (b) is a view showing an operation example of the push-opening and closing member according to an embodiment of the present invention.
6 (a) to (b) is a view showing an operation example of the rotary opening and closing member according to an embodiment of the present invention.
Figure 7 (a) is a view showing an example of a mask including an oxygen supply unit according to an embodiment of the present invention.
Figure 7 (b) is a view showing an example of a mask including a plurality of oxygen supply unit according to an embodiment of the present invention.
7 (c) is a view showing an example of a mask including an oxygen supply unit and an exhaust unit according to an embodiment of the present invention.

The objects and effects of the present invention and the technical configurations for achieving them will become apparent with reference to the embodiments described later in detail in conjunction with the accompanying drawings. In describing the present invention, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. The terms to be described later are terms defined in consideration of structures, roles, functions, and the like in the present invention, which may vary according to intentions or customs of users and operators.

However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various forms. The present embodiments are merely provided to complete the disclosure of the present invention, and to completely inform those of ordinary skill in the art to which the present invention pertains, and the present invention is solely for utility model registration claims. It is only defined by the scope of the claims set out in. Therefore, the definition should be made based on the contents throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise.

As mentioned above, general masks provide a method of providing dust protection or dispersing the user's breath to keep the interior comfortable, but there is no way to improve the air quality by generating oxygen when the user breathes. It does not include the technical features for initiating or controlling such oxygen generation.

Therefore, the inventor of the present invention is to provide a mask including the oxygen supply unit containing a solid oxygen and released in a sealed state to prevent the outflow of oxygen after in-depth study. In addition, the oxygen supply unit is provided with an opening and closing member that can control the oxygen, by starting the generation of oxygen by pressing or rotating coupling of the opening and closing member is provided with an opening and closing member that can be conveniently used anytime and anywhere when the user needs oxygen. An oxygen supply unit and a mask including the same are provided.

1 (a) is a perspective view schematically showing an oxygen supply unit according to an embodiment of the present invention, Figure 1 (b) is a plan view schematically showing an oxygen supply unit according to an embodiment of the present invention, 2 is a perspective view showing an example of the coupling structure of the oxygen supply unit according to an embodiment of the present invention.

1 to 3, the oxygen supply unit 1 of the present invention is the body member 10, the solid oxygen 20, the cover member 30, the blocking member 40 to form a space therein And an opening and closing member 50. Body member 10 is preferably provided in a cylindrical shape, but does not necessarily belong to this, it may be provided in a polygon according to the environment and the user's taste.

 Solid oxygen 20 is disposed inside the body member 10. Solid oxygen 20 is a material that absorbs carbon dioxide and generates oxygen, and solid oxygen composition 22 solidifying oxygen-producing compositions may be used, thereby improving air quality in an enclosed space. There is. The solid oxygen composition 22 may include 5 to 50 parts by weight of a metal peroxide and 0.001 to 5 parts by weight of catalyst based on 100 parts by weight of activated carbon. The metal peroxide may comprise at least one or more from the group consisting of calcium peroxide, magnesium peroxide, potassium peroxide, barium peroxide and sodium peroxide and the catalyst comprises at least one or more from the group consisting of catalase, peroxidase, potassium iodide and manganese dioxide can do. Activated carbon may include at least one from the group consisting of palm, wood and coal.

Since the solid oxygen composition 22 may generate a lot of oxygen by reacting at room temperature, it is preferable that the solid oxygen composition 22 is contained in a packaging material or a container so as to be well stored when not in use. The solid oxygen composition 22 should be made of a material having good air permeability through which oxygen gas can penetrate without the substance in powder form. Solid oxygen 20 of the present invention is any one selected from polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA) or polylactic acid (PLA) The non-woven fabric, cloth, bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, charcoal package including at least one or more from the group consisting of. By including the solid oxygen 20 as described above, the oxygen supply unit 5 of the present invention has an excellent effect on air purification, oxygen generation, and removal of contaminants.

In addition, an antimicrobial substance may be further added to the solid oxygen composition 22.

Specifically, the natural extract of the present invention as an antibacterial substance is propolis, green tea, ginseng, red ginseng, herbs, aromas, marigolds, roses, phytoncide, herbs, tea tree, grapefruit, lemon, tangerine, magnolia, black tea, black tea, pine needles , Mugwort, lotus, aloe, rape, jasmine, camellia, camellia, ginkgo biloba, mint, corn, gold coin, red ginseng, coral, licorice, bottled potion, chamomile, ratania, rosemary, lemongrass, basil, silkweed extract It may optionally include one or more from the group consisting of, camellia, shea butter, moon juran, Schisandra chinensis, astronomical dong, Morel cabbage, windproof, Eoseongcho, horseback riding, situation mushrooms, Earl of Peony, Machi, Donkey, Doin and Coconut.

Propolis of the present invention contains resins, aromatics, beeswax, pollen and various organic and inorganic substances, the main components of the propolis contains flavonoids, minerals, vitamins, amino acids, etc. Are antiviral, anti-inflammatory, antibacterial, antioxidant, local anesthesia, and cellular tissue strengthening. Among them, flavonoid-based quercetin, the core of active ingredients of propolis, inhibits and kills the proliferation of cancer cells. Has been announced and is therefore used as a key ingredient in dietary supplements. Propolis extraction methods include alcohol extraction method, water extraction method, micelle extraction method, and the like, it is preferable to use the ethanol extraction method of the fat-soluble propolis.

Herb of the present invention is a natural extract as a plant extract ingredient containing the concept of medicine to protect the skin from the external environment such as pollution, the function of synthesizing the collagen protein (Collagen protein) constituting the dermis of the skin (Corium) and As it turns out that the function of preventing pigmentation of the skin can be performed, various researches for applying this herb to real life are being conducted.

Recent studies have demonstrated the ability to suppress or treat skin acne by taking herbs. In addition, the dried leaves of the lemon balm (Lemonbalm, Melissa officinalis L.), the herb, and the leaves of chamomile (Chamomile, Matricaria recutita L.) are rich in nutrients and functional ingredients, rich in vitamins and minerals, and pharmacologically active. It is known.

In addition, by containing the natural extract in the solid oxygen composition 22, it is possible to alleviate the symptoms of asthma and rhinitis, and has the effect of preventing the hypersensitivity reaction by adding aromatherapy function. Natural extracts may be prepared by mixing 0.1 to 5.0 parts by weight based on 100 parts by weight of the solid oxygen composition. The natural extract is preferably 0.1 to 5.0 parts by weight, more preferably 0.5 to 3.0 parts by weight based on 100 parts by weight of the solid oxygen compound. When the amount of the natural extract is less than 0.1 parts by weight, inflammation relief and aromatherapy functions may not be properly expressed. When it exceeds 5.0 parts by weight, the inflammation and aromatherapy function is not significantly improved in proportion to the amount of natural extract. May not.

The CO ₂ of the user's breath may react with the solid oxygen composition 22 such as potassium excess acid in the solid oxygen 20 to be activated as an oxygen gas, and thus oxygen may be generated. The present invention is released in a sealed state to prevent the oxygen outflow of the oxygen supply unit 5, the user can start the oxygen outflow by contacting the opening and closing member 50 with a hand or the like. Therefore, the user can easily use oxygen anytime and anywhere. Such, solid oxygen 20 can be used easily after replacement.

The body member 10 of the present invention is provided to be coupled to and detachable from the cover member 30. The cover member 30 forms one or more cover holes 32 therein, and preferably, a plurality of cover holes 32 are used.

The cover member 32 may further include a blocking member 40 sealing the cover hole 32 at the upper side of the cover member 30 to block oxygen generation. The blocking member 40 is preferably used as a non-woven fabric or vinyl that does not penetrate gas and can be torn by ribs, etc., but is not necessarily belonging thereto and may be provided differently according to a user's environment. In addition, an adhesive may be used on the outer circumferential surface of the blocking member to seal the cover hole 32 well, and may be sealed using a heat fusion method. Specifically, it may be thermally fused by hot melting. Although not shown in the drawings, the outer circumferential surface of the blocking member 40 may be additionally provided with a water fastening portion and a female fastening portion, and a heat adhesive sheet may be disposed therebetween so as to be effectively heat-sealed by hot melting.

An opening and closing member 50 may be provided at an upper side of the blocking member 40. The opening and closing member 50 includes at least one protruding rib 52, and the protruding rib 52 may penetrate between the holes of the cover member 30 through the blocking member 40. That is, the oxygen supply unit 1 may start supplying oxygen by tearing the blocking member 40 using the protruding ribs 52. Accordingly, when the user needs to supply oxygen, the user touches the protruding ribs 52 to tear the blocking member 40, thereby initiating oxygen generation inside the body member 10 and inhaling oxygen released into the space. Hereinafter, the coupling structure between the components will be described.

3 is a view schematically showing an example of coupling the body member, solid oxygen and the cover member according to an embodiment of the present invention, Figure 4 is a combination of the cover member, blocking member and opening and closing member according to an embodiment of the present invention Figure 5 schematically shows an example, Figure 5 (a) to (b) is a view showing an example of the operation of the push opening and closing member according to an embodiment of the present invention, Figure 6 (a) to (b) Is a view showing an operation example of a rotary opening and closing member according to an embodiment of the present invention.

Since the oxygen supply unit 1 of FIGS. 3 to 4 has the same main configuration as the oxygen supply unit 1 described with reference to FIGS. 1 to 2, the following description will focus on the modified configuration. As shown in FIG. 3, the body member 10 may include at least one protruding protrusion 12. The cover member 30 may be provided with a cover groove 34 at a corresponding position of the protruding protrusion 12, and the protruding protrusion 12 may be fitted by being slightly larger than the cover groove 34. Can be. Therefore, when the user does not use the mask, the cover member 30 once again seals the solid oxygen 20 inside the body member 10.

As shown in FIG. 5, the inner circumferential surface of the cover member 30 of the present invention may have one or more recesses 30 ′ that are concave along the inner circumferential surface. On the outside of the opening and closing member 50, a convex portion 50 'is formed along the outer circumferential surface at a position corresponding to the concave portion 30'. The convex portion 50 'can be fitted by being slightly larger than the concave portion 30'. Thus, the cover member 30 and the opening and closing member 50 can be easily coupled and detached.

In addition, as shown in FIG. 6, the inner circumferential surface of the cover member 30 may include a female threaded portion formed along the inner circumferential surface, and the outer circumferential surface of the opening and closing member 50 may include a male threaded portion corresponding to the female threaded portion. The opening and closing member 50 may be coupled by a rotational coupling of the female threaded portion of the cover member 30 and the male threaded portion of the opening and closing member 50.

In addition, by the combination of the opening and closing member 50 as described above, by forming the protruding rib 52 to be movable vertically relative to the body member 10 can be started oxygen generation effectively. In addition, as shown in Figure 5, the protruding rib 52 may be provided in the form of narrowing toward the front end so as to tear the blocking member 40 well. In addition, as illustrated in FIG. 6, a plurality of protruding ribs 52 may be provided to enhance tearing force. In addition, although not shown in the drawings, the shape of the protruding ribs 52 is provided in the shape of a drive of a crisscross, which may reinforce the tearing force. ) Can include all tearable shapes. Hereinafter, the operation of the opening and closing member 50 will be described.

6 to 7, the opening and closing member 50 may further include a handle 54. By providing the handle portion 54, the user can easily control the oxygen supply using the handle portion 54.

As shown in Figure 6, the opening and closing member 50 may be provided in a pressing form. When using the mask, the user presses the handle portion 54 using the user's hand, etc., the protruding rib 52 of the opening / closing member 50 passes through the blocking member 40 to cover the cover hole 32 of the cover member 30. You can break in. Accordingly, the solid oxygen 20 therein may react with the user's breath to generate oxygen, and supply oxygen between the cover holes 32. The oxygen supply unit 1 having the opening / closing member 50 of the present invention is preferably mounted and used in the mask 5, but may be used in a closed room or a vehicle requiring oxygen. Therefore, according to the use environment, the oxygen supply unit 1 may start the oxygen using the opening and closing member 50 at the place where oxygen supply is needed, thereby allowing the user to receive oxygen more easily and conveniently.

As shown in FIG. 7, the opening and closing member 50 may be provided to rotate. When using the mask to rotate the handle portion 54 using a user's hand, etc., the projecting rib 52 of the opening and closing member 50 passes through the blocking member 40, the cover hole 32 of the cover member 30 Can break through. Accordingly, the solid oxygen 20 therein may react with the user's breath to generate oxygen, and supply oxygen between the cover holes 32.

Therefore, the user can press or rotate the handle portion 54 using a hand or the like, so that the protruding rib 52 can easily invade the blocking member 40, and thus, the user can initiate the generation of oxygen more effectively. The oxygen supply is simple.

7 (a) is a view showing an example of a mask including an oxygen supply unit according to an embodiment of the present invention, Figure 7 (b) includes a plurality of oxygen supply unit according to an embodiment of the present invention FIG. 7B is a view showing an example of a mask including an oxygen supply unit and an exhaust unit according to an embodiment of the present invention.

The oxygen supply unit 1 of the present invention can be attached to the mask 5 to be used to more effectively supply oxygen to the user.

The mask of the present invention (5) generally comprises natural fibers such as paper, nonwoven fabric, cloth, cotton fiber, wool fiber, silk fiber, hemp fiber, polyester, polyamide, polyacrylonitrile, polyvinyl alcohol and poly It can be used alone or in combination among chemical fibers such as urethane, polyvinyl chloride, polyvinylidene chloride, polyethylene, polyalkylene paraoxybenzoate and polyfluoroethylene. In addition, it can be configured to include all materials having plasticity for movement, deformation, facial contour.

As shown in (a) of FIG. 7, the mask 5 is provided to shield a part of the user's nose, mouth, and ball, and may include an opening in the mouth of the user. The oxygen supply unit 1 may be used in the form of being mounted in the opening of the mask 5, and may be provided in a form capable of effectively coupling and detaching.

In addition, as shown in FIG. 7B, a plurality of openings may be provided in the mask 5, and a plurality of oxygen supply units 1 may be provided to correspond thereto. By providing a plurality of oxygen supply units (1), it is possible to increase the capacity of the solid oxygen and there is an effect that can be supplied oxygen for a long time.

In addition, as shown in (c) of FIG. 7, the mask 5 may be provided with a plurality of openings, one of which may be provided with an oxygen supply unit 1 and another with an exhaust part 7.

By providing the exhaust portion 7 when the user breathes, it is possible to effectively discharge the air to the exhaust valve 7 when exhaling, it is possible to prevent contaminants during inhalation. Therefore, it is possible to ease the user's breathing and the user who feels frustrated using the mask can use the mask more comfortably.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention belongs may be embodied in other specific forms without changing the technical spirit or essential features of the present invention. You will understand that. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and all of the equivalents or equivalents of the claims, as well as the following claims, fall within the scope of the spirit of the present invention. will be.

1. Oxygen supply unit 4. Hook part 5. Mask
7. Exhaust part 10. Body member 12. Protrusion protrusion 20. Solid oxygen 22. Solid oxygen composition 24. Packing part 30. Cover member 30 '. Concave 32. Cover Hole
34. Cover groove 40. Blocking member 50. Opening and closing member 50 '. Convex part 52. Protruding rib 54. Handle part

Claims (10)

A body member which is open in one direction and forms a space therein;
Solid oxygen disposed in the body member;
A cover member which forms at least one hole in one surface and is coupled to the body member;
Blocking member for sealing the hole of the cover member; And
At least one protruding rib is provided on one surface of the oxygen supply unit having an opening and closing member, characterized in that it comprises an opening and closing member for intruding the blocking member to initiate the generation of oxygen.
The method of claim 1,
The opening and closing member is coupled to the cover member in a push or rotation type,
And the protruding rib penetrates the blocking member by the coupling to start generation of oxygen.
The method of claim 2,
The protruding rib is oxygen supply unit having an opening and closing member characterized in that the width decreases toward the tip.
The method of claim 2,
Oxygen supply unit having an opening and closing member, characterized in that provided with a plurality of protruding ribs.
The method of claim 1,
The body member has at least one protruding protrusion on one surface,
The cover member has at least one cover groove on the other surface corresponding to the protrusion,
Oxygen supply unit having an opening and closing member characterized in that the protrusion is fitted to the cover groove.
The method of claim 1,
The cover member includes at least one concave portion formed along an inner circumferential surface therein,
The opening and closing member includes a convex portion corresponding to the concave portion formed along the outer circumferential surface on the outside.
And a protruding rib penetrates the blocking member by fitting the convex portion of the opening and closing member into the concave portion of the cover member.
The method of claim 1,
The cover member has an internal thread portion formed along the inner circumferential surface thereof,
The opening and closing member is provided on the outer circumferential surface with a male screw thread corresponding to the female screw thread.
And the protruding rib penetrates the blocking member by a rotational coupling with the male threaded portion of the opening and closing member and the female threaded portion of the cover member.
The method of claim 1,
The solid oxygen is any one of a nonwoven fabric selected from polypropylene (PP), polyester (PET), polyamide (PA), polyethylene (PE), polyvinyl alcohol (PVA), or polylactic acid (PLA). An oxygen supply unit having an opening / closing member, the package comprising a packaging unit including at least one selected from the group consisting of bamboo, silk, tencel, rubber, foil, vinyl, biocellulose, and charcoal.
The method of claim 1,
The opening and closing member is oxygen supply unit having an opening and closing member characterized in that it further comprises a handle.
A mask comprising the oxygen supply unit according to any one of claims 1 to 9.

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