KR20200133475A - Custom-fit type dust mask and production method for this Custom-fit type dust mask - Google Patents

Abstract

Disclosed are a customized dustproof mask and a method of manufacturing the same. The disclosed customized dustproof mask comprises: a mask main body manufactured by injection-molding a thermoplastic resin made of polymethyl methacrylate (PMMA), formed in a dome shape to cover the front face including eyes, a nose, and a mouth, and having a ring-shaped insertion groove formed in an edge of an inner surface thereof such that a packing member is fitted into the insertion groove; and the packing member having an insertion protrusion to be coupled to the insertion groove formed in the inner surface of the mask main body such that the packing member is in close contact with a face surface to improve sealing properties between the mask main body and the face surface. The present invention is characterized in that the mask main body is heated up to a glass transition temperature and softened in a state in which the packing member is coupled to the mask main body, and then an edge portion of the softened mask main body is pressed by the face surface such that a shape of the edge portion of the mask main body is deformed to correspond to a curved line of a user′s face surface. Accordingly, the packing member is configured to have a shape corresponding to the curved line of the user′s face surface, and thus adhesion with the face surface is improved.

Description

{Custom-fit type dust mask and production method for this Custom-fit type dust mask}

The present invention relates to a dust mask that is worn to cover the entire face of the face so as to breathe purified air, and in more detail, it is custom molded to fit the curved line of a different face for each individual, so as to adhere to the face. A personally customized dustproof mask capable of improving air purification performance by maximizing the sealing force by making this improved, and a method of manufacturing this personally customized dustproof mask.

The atmosphere is extremely polluted by yellow dust, smog and fine dust coming from industrial complexes, which are frequently caused by climate change of the earth.This air pollution is getting worse as the years go by, increasing the mortality rate from diseases of the respiratory system and various kinds of children. Allergic symptoms are on the rise.

In order to protect the human respiratory system from air pollution caused by such fine dust and yellow dust, it is common to wear a mask.

In such a conventional mask, there is a disposable mask made of filter paper, disclosed in Utility Model Publication No. 20-2013-0000253, Patent Registration No. 10-1893781, and the like for such disposable masks.

However, this disposable mask is simply worn to cover the nose and mouth of the face, and the filter paper is not properly adhered to the face, so dust enters the gap between the face and the filter paper, and the air purification function is not high. .

Accordingly, a mask body that covers the entire face of the face to improve air purification performance, a packing member installed on the edge of the mask body to improve adhesion between the mask body and the face, and a separate filter to purify air flowing into the mask body A full face type dust mask consisting of a purification tank was developed.

These dust masks are disclosed in Registration Patent No. 10-1785804 and Registration Patent No. 10-1700604.

However, such a dust mask is provided with a packing member, but since it is manufactured according to the ready-made standard, there is a problem in that air purification performance is deteriorated due to crushing or separation at a specific location depending on the shape of an individual's face.

In addition, a typical mask includes a wearing band made of an earring-type band or a band that wraps around the back of the head in order to be fixedly worn on the face, and in the case of an earring-type band, the ear is pressed to cause pain in the ear. There is a drawback, and in the case of a band that wraps around the back of the head, the band presses the hair and has a problem that the hairstyle is damaged.

Public Utility Model No. 20-2013-0000253 Registered Patent No. 10-1893781 Registered Patent No. 10-1785804 Registered Patent No. 10-1700604

The present invention was invented to solve the conventional problems as described above, and it is custom molded to fit the curved lines of different faces for each individual to improve the adhesion with the face, thereby maximizing the sealing force and improving the air purification performance. An object of the present invention is to provide a personalized dust mask and a method of manufacturing this personalized dust mask.

In addition, the present invention is provided with a neckband-type wearing auxiliary means that allows the user to comfortably wear the mask body without causing pain in the user's ear as well as improving the sealing power of the mask by improving the adhesion to the face. There is another purpose to provide a personalized dust mask and a method of manufacturing this personalized dust mask.

In addition, the present invention is a personalized anti-vibration mask that can further improve the adhesion to the face by selecting a packing member suitable for the face size from among a plurality of packing members according to the face size different for each individual and combining it with the mask body, There is another purpose to provide a method of making this personalized dust mask.

The personalized dust mask of the present invention for achieving the above object is manufactured by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate), and is made in a dome shape to cover the entire face including eyes, nose, and mouth, and is packed A mask body having a ring-shaped fitting groove formed on the inner rim so that the member is fitted; And a packing member having a fitting protrusion coupled to the fitting groove formed on the inner surface of the mask body so as to be in close contact with the face surface to improve the sealing property of the mask body and the face surface, and the packing member is coupled to the mask body In this state, the mask body is heated to a glass transition temperature to soften it, and then the softened edge of the mask body is pressed against the face so that the edge of the mask body is deformed to correspond to the curved line of the user's face. By molding, the packing member is configured to have a shape corresponding to the curved line of the user's face, thereby improving adhesion to the face surface.

The mask body is softened by being immersed in hot water for a predetermined period of time while the packing member is fitted and heated to the glass transition temperature of the mask body material, and then pressurized against the face of the user, thereby causing the packing member to It may be configured to have a shape corresponding to the curved line of the face surface.

A pair of band coupling holes are formed on both sides of the mask body vertically, respectively, are coupled to both sides of the mask body through the pair of band coupling holes, and hang the mask body on both ears of the user. A pair of wearing bands made of an elastic material to be worn on the; may be configured to further include.

It may be configured to further include a neckband-type wearing aid for wearing the mask body to the face by being worn to surround the user's back neck and fixing the pair of wearing bands on both sides.

The wearing auxiliary means, made in the form of an arch, the neckband portion worn in close contact with the user's back neck; It is made of a semicircular pipe having a predetermined length, is integrally formed on both sides of the neckband part, is formed to be disposed at a predetermined interval behind the user's ear, and is formed in a curved shape to surround the user's ears, and the pair of wear It may be configured to include; a pair of band hangers configured to be wound around each of the bands.

The fitting groove is configured to be formed in a plurality to correspond to the size of the user's face, and the packing member is configured to be provided with a plurality of each size of the plurality of fitting grooves, so as to fit the size of the user's face among the plurality of packing members. By selecting the packing member, it may be configured to fit and use the selected packing member in a corresponding fitting groove.

On the other hand, the method of manufacturing a personalized anti-vibration mask of the present invention comprises: a) manufacturing a dome-shaped mask body to cover the entire face including the eyes, nose, and mouth by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate). ; b) inserting and coupling a packing member for improving adhesion to the face surface in the fitting groove formed on the inner rim of the mask body; c) heating the mask body to a glass transition temperature to soften the mask body while the packing member is coupled to the mask body; d) pressing the softened edge portion of the mask body against the user's face to deform the shape corresponding to the curved line of the face, so that the packing member is configured to have a shape corresponding to the curved line of the face; It characterized in that it comprises a.

In step c), the mask body to which the packing member is bonded may be immersed in hot water for a predetermined period of time and heated to a glass transition temperature of the mask body material to soften it.

The packing member is configured in plural according to the size of the user's face, and a plurality of fitting grooves into which a plurality of packing members are fitted are formed on the inner surface of the mask body, and the step b) includes the plurality of packing members It may be configured to select one suitable for the size of the user's face, and to fit the selected packing member into a fitting groove corresponding to the selected packing member among a plurality of fitting grooves.

According to the above, the present invention is customized to fit the curved lines of different facial surfaces for each individual to improve the adhesion with the facial surface, thereby maximizing the sealing power to improve the air purification performance, thereby promoting the user's respiratory health. It can have an effect.

In addition, the present invention provides a neckband-type band wearing means worn on the user's back neck, so that the user does not hang the wearing band on the ear and wears it on the neckband-type band wearing means. It can be used to maintain a comfortable wearing state, and since the wearing band does not press the hair and the neckband-type band wearing means is worn in close contact with the user's back neck, there is no pressure on the hair, thus preventing damage to the hairstyle. It has the effect of preventing.

In addition, the present invention selects a packing member according to the size of the user's face and combines it with the mask body to further improve adhesion to the face, thereby improving air purification performance, and respiratory diseases caused by inhalation of fine dust. There is an effect that can improve the user's health by getting away from it.

1 is a front view showing a personalized dust mask according to an embodiment of the present invention,
2 is a side view showing a personalized dust mask according to an embodiment of the present invention,
3 is a view for explaining a personalized molding process of a personalized dust mask according to an embodiment of the present invention,
Figure 4 is a view showing the coupling structure of the packing member and the mask body in the present invention,
5 is a view showing the coupling structure of the air purification filter body and the mask body of the present invention,
Figure 6 is a perspective view showing the neckband-type wearing auxiliary means of the present invention,
7 is a block diagram showing a method of manufacturing a personalized dust mask according to an embodiment of the present invention,
8 is a rear view of a mask body of a personalized dustproof mask according to another embodiment of the present invention,
10 is a view showing the configuration of a packing member of a personalized dust mask according to another embodiment of the present invention,
11 is a block diagram showing a method of manufacturing a personalized dust mask according to another embodiment of the present invention.

The above objects, other objects, features, and advantages of the present invention will be easily understood through the following preferred embodiments related to the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content may be thorough and complete, and the spirit of the present invention may be sufficiently conveyed to those skilled in the art.

In the present specification, when a component is referred to as being on another component, it means that it may be formed directly on the other component or that a third component may be interposed between them. In addition, in the drawings, the thickness of the components is exaggerated for effective description of the technical content.

Embodiments described in the present specification will be described with reference to cross-sectional views and/or plan views, which are ideal exemplary diagrams of the present invention. In the drawings, the thicknesses of films and regions are exaggerated for effective description of technical content. Therefore, the shape of the exemplary diagram may be modified by manufacturing technology and/or tolerance. Accordingly, embodiments of the present invention are not limited to the specific form shown, but also include a change in form generated according to a manufacturing process. For example, the etched region shown at a right angle may be rounded or may have a shape having a predetermined curvature. Accordingly, the regions illustrated in the drawings have properties, and the shapes of the regions illustrated in the drawings are for exemplifying a specific shape of the region of the device and are not intended to limit the scope of the invention. In various embodiments of the present specification, terms such as first and second are used to describe various components, but these components should not be limited by these terms. These terms are only used to distinguish one component from another component. The embodiments described and illustrated herein also include complementary embodiments thereof.

The terms used in this specification are for describing exemplary embodiments, and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used in the specification, "comprises" and/or "comprising" does not exclude the presence or addition of one or more other elements.

In describing the specific embodiments below, a number of specific contents have been prepared to explain the invention in more detail and to aid understanding. However, readers who have knowledge in this field to the extent that they can understand the present invention can recognize that it can be used without these various specific contents. In some cases, it is mentioned in advance that parts that are commonly known in describing the invention and are not largely related to the invention are not described in order to prevent confusion without any reason in describing the invention.

Hereinafter, with reference to FIGS. 1 to 6, a personalized dust mask and a method of manufacturing the personalized dust mask according to an embodiment of the present invention will be described.

The personalized dust mask of the present invention is configured to include a mask body 10 and a packing member 20.

The mask body 10 is manufactured by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate), and has a dome shape to cover the entire face including the eyes, nose, and mouth of the user.

The mask body 10 is made of PMMA (Poly Methyl Methancrylate) and has good visibility (transparency), excellent strength, and shatter resistant performance. In addition, in general, PMMA materials have various glass transition temperature characteristics within the range of 85 to 105°C according to the product characteristics of each manufacturer. For example, injection grade PMMA materials manufactured by LG MMA Co., Ltd. have a glass transition temperature of 92℃.

The inner edge portion of the mask body 10 of the present invention is configured to form a ring-shaped fitting groove 11 for fitting the packing member 20.

The mask body 10 is configured to have an exhaust port 13 for discharging the air inside the mask body 10 when the user exhales, and the exhaust port 13 is provided with an exhaust port 13 when the user inhales. Inhalation of air through the air is blocked, and an exhaust valve capable of discharging air through the exhaust port 13 only when exhaling may be provided.

In addition, the mask body 10 is formed with a coupling hole 12 in which a female threaded portion 12a is formed, and in the coupling hole 12, a male screw portion of the air purification filter body 30, such as a normal screw-fastening type purification tank, is formed. 31) is detachably mounted in a screw fastening method so that when the user inhales, the air containing external fine dust is purified by the air purification filter body 30 so that the purified air flows into the mask body 10. Can be configured. In the above, it has been described that the mask body 10 has a coupling hole 12 having a female threaded portion 12a to be coupled to the air purification filter body 30 such as a screw-fastening type purification tank in a screw manner, but limited to this The mask body 10 of the present invention may be provided with a coupling hole 12 of an assembly type (snap-fit coupling method, etc.) in which other air purification filter bodies other than a screw-fastened cylindrical purification tank can be mounted. Of course.

The packing member 20 is made of a heat-resistant silicone material, has a ring shape, and is configured such that a fitting protrusion 21 for fitting into the fitting groove 11 is integrally formed. In the packing member 20, the fitting protrusion 21 is coupled to the fitting groove 11 to increase the adhesion between the mask body 10 and the face surface to improve airtightness. The packing member 20 is formed in a ring shape of a size connecting the forehead, both cheeks, and chin line of the user's face, and is configured such that the eyes, nose, and mouth are arranged inside.

In the present invention, although the packing member 20 is coupled to the mask body 10, the sealing degree with the face of the user is basically improved by the packing member 20, but the curved line of the face is different for each user. , As a gap is generated between the packing member 20 and the face surface, air including fine dust can be directly introduced into the mask body 10 through the gap without passing through the air purification filter body 30, and this In order to solve the problem, the present invention is characterized in that the packing member 20 is manufactured in a shape corresponding to the user's facial curved line so that the packing member 20 is more closely adhered to the user's face.

In the present invention, in a state in which the packing member 20 is coupled to the mask body 10, the mask body 10 is immersed in hot water for a predetermined period of time and heated to reach the glass transition temperature to soften it, and then soften. By placing the mask body 10 on the face and pressing the edge of the mask body 10 on the user's face, the edge of the mask body 10 is transformed to correspond to the curved line of the user's face. Accordingly, the packing member 20 coupled to the mask body 10 may also be transformed into a shape corresponding to the curved line of the user's face.

In this way, when the user wears the mask body 10 in which the individual mask body 10 has been customized, the packing member 20 in a shape corresponding to the curved line of the user's face is placed on the face surface. Since a gap is not generated due to perfect contact, only the air purified through the air purification filter body 30 can be introduced into the mask body 10 when inhaled.

Meanwhile, in the above, the present invention has been described as using high-temperature water to soften the mask body 10, but is not limited thereto, and a method of softening the mask body 10 by using a heater such as an oven or microwave It can also be applied.

In addition, when the PMMA material of the mask body 10 has a glass transition temperature in the range of 100 to 105°C, the mask body 10 can be softened by increasing the boiling point using water in which ionic compounds such as salt are dissolved. , It can prevent turbidity on the surface of PMMA due to air bubbles generated when water boils.

The anti-vibration mask of the present invention has a pair of band coupling holes 16 vertically at both ends of the mask body 10, so that the wearing band 40 is coupled to the pair of band coupling grooves 16. I can. In this way, wearing bands 40 are coupled to each of the both ends of the mask body 10 so that the wearing bands 40 can be hung on both ears of the user and the mask body 10 can be worn on the face surface. The wearing band 40 may be formed in the form of an elastic string having a circular cross section or an elastic band having a predetermined width.

However, when the wearing band 40 is worn over the ear, pain may be caused by pressing the wearing band 40 on the ear.

Accordingly, the present invention may be configured to further include a neckband type wearing auxiliary means 50 that allows the user to comfortably wear the mask body 10 without causing pain in the user's ear.

Wearing auxiliary means 50 is worn to wrap around the back neck, and as a configuration for fastening each pair of wearing bands 40 on both sides, including a neckband portion 51 and a pair of band hangers 53 Is configured to

The neckband portion 51 and the band hanger portion 53 are made of a hard plastic material and are configured to be integrally formed.

The neckband portion 51 is formed in an arch shape and is configured to be worn in a form that wraps in close contact with the user's back neck. The neckband portion 51 may be configured such that an anti-slip pad 54 made of a silicone material for preventing slipping is attached to a portion of the back neck in contact with the skin.

A pair of band-hanging portions 53 are formed in a semicircular pipe shape to form a seating groove (53a, see FIG. 6) into which the wearing band 40 is inserted and seated along the length direction, and both sides of the neckband portion 51 Each is configured to be integrally formed. Each of the band hangers 53 is disposed to be spaced apart from the user's ear by a predetermined interval, and has a curved shape that is curved to surround the user's ear.

Accordingly, in a state in which the neckband part 51 is worn in close contact with the user's back neck, as shown in FIG. 2, the mask body 10 is worn on the face by hooking the wearing band 40 to the band hanger 53 can do.

Hereinafter, a method of manufacturing a personalized dust mask according to an embodiment of the present invention will be described.

The manufacturing method of the present invention is configured to include mask body injection manufacturing (s10), packing bonding (s20), personalized molding (s30), and other accessory assembly (s40).

In the mask body injection manufacturing (s10), a dome-shaped mask body 10 is manufactured to cover the entire face including the eyes, nose and mouth by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate) through a mold ( s10).

In the packing coupling (s20), the ring-shaped packing member (s20) is fitted into the fitting groove (11) formed on the inner surface of the mask body (10).

The personalized molding (s20) corresponds to the main feature in the manufacturing method of the present invention, and is configured to include a mask softening (s31) and a face pressing (s32).

In the mask softening (s31), the mask body 10 to which the packing member 20 is coupled is heated to reach the glass transition temperature of the material of the mask body 10 so that the mask body 10 is in a softened state.

In the face pressure molding (s32), the softened mask body 10 is placed on the face and the edge of the mask body 10 is pressed, so that the packing member 20 is in contact with the user's face. ) Is molded to be deformed to correspond to the curved line of the user's face, and then cooled at room temperature so that the molded mask body 10 is cured. Accordingly, the packing member 20 maintains a shape corresponding to the curved line of the user's face, the same as the edge portion of the mask body 10 formed to correspond to the curved line of the user's face.

The other accessories assembly (s40) is to assemble by combining other accessories such as the air purification filter body 30 and the wearing band 40 to the mask body 10, and after the personalized molding (s30) is performed, The air purification filter body 30 is coupled to the coupling hole 12 of the mask body 10 by a screw fastening method, and the wearing band 40 is tied and coupled to the band coupling hole 16 of the mask body 10 to prevent vibration. Fabrication of the mask can be completed.

Hereinafter, a method of manufacturing a personalized dust mask and a personalized dust mask according to another embodiment of the present invention will be described with reference to FIGS. 8 to 11.

The anti-vibration mask of this embodiment is configured such that a plurality of fitting grooves 11, 11a and 11b of different sizes are formed on the inner surface of the mask body 10 compared to the anti-vibration mask of FIGS. 1 to 7, and correspondingly, It may be configured to have a plurality of packing members (20, 20a, 20b) that can be fitted into the plurality of fitting grooves (11, 11a, 11b).

A plurality of packing members (20, 20a, 20b) is configured to be used by selecting one according to the size of the user's face, and being inserted into a fitting groove corresponding to the selected packing member.

The method of manufacturing a personalized dust mask of this embodiment is different only in the process of packing combination (s20') compared to the method of manufacturing a dust mask of the previous embodiment, but the remaining steps are the same, so only packing combination (s20') will be described. do.

The packing combination (s20') of this embodiment selects a packing member of a size suitable for the forehead, both cheeks, and chin of the user's face while facing each of the plurality of packing members 20, 20a, 20b against the user's face, It consists of a process of fitting the selected packing member into the fitting groove corresponding to the selected packing member among the plurality of fitting grooves (11, 11a, 11b).

Thus, the present invention is provided with a plurality of packing members (20, 20a, 20b), a packing member suitable for the size of the user's face from among the plurality of packing members can be selected and coupled to the mask body 10, so that the packing member By improving the adhesion between the face of the user and the user, not only can the sealing property of the mask body be improved, but also the mask body 10 is formed through personalized molding (s20), so that the packing member is a curved line on the user's face. By having a shape corresponding to that, there is a feature that can maximize the sealing force of the mask body 10 by further improving the adhesion between the packing member and the user's face.

As described above, the present invention has been illustrated and described in connection with preferred embodiments for exemplifying the principles of the present invention, but the present invention is not limited to the configuration and operation as shown and described as such. Rather, it will be well understood by those skilled in the art that a number of changes and modifications can be made to the present invention without departing from the spirit and scope of the appended claims. Accordingly, all such appropriate changes and modifications and equivalents should be considered to be within the scope of the present invention.

10...mask body
11...Fitting groove
12...
16...band coupling hole
20...packing member
30..Air purification filter body
40...wear band
50...Neckband type wearing aid
51...Neckband part
53...Band hanger
54...adhesive pad

Claims (9)

Manufactured by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate), it has a dome shape to cover the entire face including the eyes, nose, and mouth, and a ring-shaped insertion groove is formed on the inner rim so that the packing member is inserted main body;
Comprising a packing member having a fitting protrusion coupled to the fitting groove formed on the inner surface of the mask body so as to be in close contact with the face to improve the sealing property of the mask body and the face,
In a state in which the packing member is coupled to the mask body, the mask body is heated to a glass transition temperature to soften it, and then the softened edge of the mask body is pressed against the face, so that the edge of the mask body becomes the user's face. A personalized dust mask, characterized in that the packing member is configured to have a shape corresponding to the curved line of the user's face by molding to be deformed to correspond to the curved line of the user's face, thereby improving adhesion to the face.
The method of claim 1,
The mask body is softened by being immersed in hot water for a predetermined period of time while the packing member is fitted and heated to the glass transition temperature of the mask body material, and then pressed against the face of the user, so that the packing member faces the face. Personalized dust mask, characterized in that configured to have a shape corresponding to the curved line of the surface.
The method of claim 1,
A pair of band coupling holes are formed vertically at both ends of the mask body,
And a pair of wearing bands each of which is coupled to both sides of the mask body through the pair of band coupling holes, and made of an elastic material that hangs on both ears of a user and wears the mask body on a face surface; characterized in that it further comprises Personalized dust mask.
The method of claim 3,
A personalized dustproof mask, characterized in that it further comprises a neckband-type wearing auxiliary means for wearing the mask body on the face by fastening and fixing the pair of wearing bands on both sides of the user's back neck.
The method of claim 4,
The wearing auxiliary means,
A neckband portion formed in an arch shape and worn in close contact with the user's back neck;
It is made of a semicircular pipe having a predetermined length, is integrally formed on both sides of the neckband part, is formed to be disposed at a predetermined interval behind the user's ear, and is formed in a curved shape to surround the user's ears, and the pair of wear Personalized dust mask comprising a; a pair of band hangers configured to be wound around each band.
The method of claim 1,
The fitting groove is configured to be formed in a plurality to correspond to the size of the user's face, and the packing member is configured to be provided with a plurality of each size of the plurality of fitting grooves, so as to fit the size of the user's face among the plurality of packing members. A personalized dust mask, characterized in that configured to use by selecting a packing member and fitting the selected packing member into a corresponding fitting groove.
a) manufacturing a mask body made of a dome shape to cover the entire face including the eyes, nose, and mouth by injection molding a thermoplastic resin made of PMMA (Poly Methyl Methancrylate);
b) inserting and coupling a packing member for improving adhesion to the face surface in the fitting groove formed on the inner rim of the mask body;
c) heating the mask body to a glass transition temperature to soften the mask body while the packing member is coupled to the mask body;
d) pressing the softened edge portion of the mask body against the user's face to deform the shape corresponding to the curved line of the face, thereby causing the packing member to have a shape corresponding to the curved line of the face; Personally tailored dust mask manufacturing method comprising a.
The method of claim 7,
In the step c), the mask body to which the packing member is bonded is immersed in hot water for a predetermined period of time and heated to a glass transition temperature to soften the mask body.
The method of claim 7,
The packing member is configured in plural according to the size of the user's face, and a plurality of fitting grooves into which a plurality of packing members are fitted are formed on the inner surface of the mask body,
In the step b), one of the plurality of packing members is selected according to the size of the user's face, and the selected packing member is fitted into a fitting groove corresponding to the selected packing member among the plurality of fitting grooves. How to make a customized dust mask.

Images