WO2022260235A1

WO2022260235A1 - Mask having transparent window, and manufacturing method thereof

Info

Publication number: WO2022260235A1
Application number: PCT/KR2022/000992
Authority: WO
Inventors: 김회철
Original assignee: 김회철
Priority date: 2021-06-07
Filing date: 2022-01-19
Publication date: 2022-12-15
Also published as: KR102342511B1

Abstract

The present invention relates to a mask, having a transparent window, comprising: a first material and a second material respectively formed from an inner lining, a filter, and an outer fabric; and a transparent film for protecting the periphery of the nose and mouth of a wearer from outside air, wherein the first material forms the upper end portion of a mask body, has the lower end ultrasonically welded to the upper part of the outer circumferential surface of the transparent film, and has the inner lining, located on the inner side thereof, unfolded so as to come into contact with the wearer's skin, and the second material forms the lower end portion of the mask body, has the upper end ultrasonically welded to the lower part of the outer circumferential surface of the transparent film, and has the inner lining, located on the inner side thereof, unfolded so as to come into contact with the wearer's skin.

Description

Mask with transparent window and manufacturing method thereof

The present invention relates to a mask equipped with a transparent window and a method for manufacturing the same, by constructing a transparent film in the center of the mask body, the shape of the wearer's mouth is transparently identifiable from the outside, allowing the hearing impaired through sign language even while wearing the mask. It is about technology that makes communication possible.

Fine dust and dust caused by yellow dust and city fumes are inhaled through the respiratory system of the human body, threatening health, and infectious diseases caused by bacterial infections such as SARS, MERS, influenza, swine flu, and strain flu caused by unknown harmful viruses In the expanding reality, masks with various shapes and structures are being used.

In general, a mask consists of a mask body made of a non-woven fabric formed in an area capable of covering the wearer's nose, mouth, and facial parts including the chin, and a fixing strap that can be strung on the cartilage on the back of the ear, and is used in daily life or industry. It is widely used in the field for personal hygiene, public health, or to prevent inhalation of contaminants.

Wearing such a health mask can protect the respiratory system from fine dust, dust and droplets caused by yellow sand and city fumes. However, hearing-impaired people who communicate in sign language accompanied by mouth shapes and facial expressions in addition to hand gestures cannot communicate by wearing a conventional mask.

As a technique for improving these problems, Korean Patent Publication No. 10-2005-0042986 (published on May 11, 2005) discloses a "transparent mask", and Korean Patent Registration No. 10-2233818 (published on March 31, 2021) discloses a “transparent mask through which lips are transparent”.

However, such a conventional transparent mask is to attach a transparent film after cutting out the center of the disposable mask, a situation where all of these manufacturing processes are made manually.

As shown in Figures 1a to 1d, conventional Korean Patent Registration No. 10-2233818 (2021.03.31. Notice) consists of a transparent film for the front part 110, which is the center of the main body, and the outside of the front part 110. And while the first wing 120 and the second wing 130 overlap, the spandex fabric 122, the filter nonwoven fabric 124, and the hot melt nonwoven fabric 126 are bonded to each other to form a multi-layer sheet.

However, as shown in FIG. 1C, the front part 110, the outer part, the first wing part 120, and the second wing part 130 are stitched through the front part 110, the first wing part 120, and the second wing part 120. It is a configuration for bonding the two wing parts 130.

That is, the prior patents shown in FIGS. 1A to 1D use spandex fabric (polyurethane) and hot melt nonwoven fabric, rather than PE, PP, or PET material, which are raw materials for disposable masks certified by the Ministry of Food and Drug Safety, through ultrasonic fusion. There is a problem that the mask cannot be molded.

In addition, as in the prior patent, when the mask is molded by bonding the front part 110, the first wing part 120 and the second wing part 130 through the adhesiveness and sewing of the hot melt nonwoven fabric, the sewing seam when wearing the mask There is a risk that foreign substances such as droplets, infections (blood), and dust may flow into the respiratory tract.

Accordingly, the present applicant protects the wearer's respiratory system from foreign substances such as droplets, infection (blood) and dust in medical and industrial settings, and allows the wearer's mouth to be identifiable from the outside, allowing hydration even while wearing a mask. We would like to propose a configuration and manufacturing method for a mask equipped with a transparent window through which the hearing impaired can communicate.

[Prior art literature]

[Patent Literature]

Patent Document 1. Korean Patent Publication No. 10-2005-0042986 (published on May 11, 2005)

Patent Document 2. Korea Patent Registration No. 10-2233818 (2021.03.31. Notice)

The present invention is a mask with a transparent window, wherein the central part of the mask body is provided with a transparent film, and the upper and lower parts of the mask body are integrated with a lining, a filter, and an outer fabric to provide a mask with a transparent window, so that the shape of the wearer's mouth can be identified from the outside. It is possible to see through and make it possible for the hearing impaired to communicate through sign language even while wearing a mask.

In addition, the present invention is a mask manufacturing method having a transparent window, after arranging a pair of fabrics composed of a mask lining, a filter, and an outer fabric, and placing a transparent film in the center while the inner sides of the pair of fabrics are spaced apart from each other. , To automate the manufacturing process of a mask equipped with a transparent window, by supplying the inside of a pair of fabrics and both sides of a transparent film to a mold while being stacked on each other.

The present invention is a mask having a transparent window, comprising: a first fabric and a second fabric in which a lining, a filter, and an outer fabric each form a pair; And a transparent film that protects the wearer's nose and mouth from outside air, but the first fabric constitutes the upper end of the mask body, the lower end of which is fused with the outer periphery of the upper end of the transparent film by ultrasonic waves, and the inner lining is It is configured to be unfolded so as to contact the wearer's skin, and the second fabric constitutes the lower end of the mask body, the upper end of which is fused with the outer periphery of the lower end of the transparent film by ultrasonic waves, and the lining located inside thereof is in contact with the wearer's skin. configured to unfold.

Preferably, the transparent film is characterized in that the upper end is fused to the outer periphery of the upper end of the mask body by ultrasonic waves, and the lower end is fused to the outer periphery of the lower end of the mask body by ultrasonic waves to cover the front of the wearer's mouth and nose. to be

And, the transparent film is a film; And a coating layer composed of a hydrophilic resin or surfactant on the surface of the film, and the coating layer is characterized in that the anti-fog treatment is performed to prevent water from forming on the surface.

On the other hand, in the method for manufacturing a mask having a transparent window according to an embodiment of the present invention, the fabric hanger fixes the first and second fabrics and the transparent film, each of which is a pair of lining, filter, and outer fabric, in the step (a) of fixing the transparent film. ; (b) step in which a fabric supply means synchronizes each of the first fabric, the second fabric, and the transparent film and supplies them to the mold; (c) producing a mask body by fusing the first fabric, the second fabric, and the transparent film, each of which is introduced into the mold by an ultrasonic welding unit, in a stacked state; and (d) attaching the straps to predetermined positions on both sides of the mask body by means of ultrasonic welding in a state where the string fusing means fixes one end and the other end of each string.

And, step (a) is (a-1) step of fixing the first fabric consisting of a lining, a filter and an outer fabric by the fabric hanger; (a-2) fixing the transparent film so that the fabric hanger overlaps the side of the first fabric by a predetermined length; and (a-3) fixing a second fabric composed of a lining, a filter, and an outer fabric so that the fabric hanger overlaps the side of the transparent film by a predetermined length.

According to the present invention as described above, the central part of the mask body provides a mask having a transparent window formed by integrating a lining, a filter, and an outer fabric at the upper and lower ends of the transparent film, so that the shape of the wearer's mouth can be identified from the outside. It is transparent and has the effect of enabling the hearing impaired to communicate through sign language even while wearing a mask.

And, according to the present invention, after arranging a pair of fabrics composed of a mask lining, a filter, and an outer fabric, and placing a transparent film in the center while the inner sides of the pair of fabrics are spaced apart from each other, the inner side of the pair of fabrics and By supplying the transparent film to the mold while both sides of the transparent film are stacked on each other, there is an effect of automating the manufacturing process of the mask provided with the transparent window.

1 is a view schematically showing a mask having a transparent window according to an embodiment of the present invention.

Figure 2 is a view showing the detailed configuration of a mask provided with a transparent window according to an embodiment of the present invention.

Figure 3 is a view showing a transparent film of a mask provided with a transparent window according to an embodiment of the present invention.

Figure 4 is a view showing a position where a transparent film is disposed of a mask equipped with a transparent window according to an embodiment of the present invention.

Figure 5 is a view showing a net provided in the transparent film of the mask provided with a transparent window according to an embodiment of the present invention.

Figure 6 is a view showing a manufacturing process of a mask provided with a transparent window according to an embodiment of the present invention.

7 is a flowchart illustrating a method of manufacturing a mask having a transparent window according to an embodiment of the present invention.

8 is a flow chart showing the detailed process of step S702 of the method for manufacturing a mask with a transparent window according to an embodiment of the present invention.

9 is a flowchart illustrating a process prior to step S702 of the method for manufacturing a mask having a transparent window according to an embodiment of the present invention.

Specific structural or functional descriptions presented in the embodiments of the present invention are merely exemplified for the purpose of explaining embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms. In addition, it should not be construed as being limited to the embodiments described in this specification, but should be understood to include all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. In the description of the present invention, if it is determined that a description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the description is omitted.

Referring to FIG. 1 , a mask 100 having a transparent window according to an embodiment of the present invention includes a first fabric and a second fabric in which a lining 10, a filter 20, and an outer fabric 30 each form a pair. (110, 120), and a transparent film 130 that protects the wearer's nose and mouth from outside air.

Specifically, the first fabric 110 constitutes the upper end 102 of the mask body, the lower end of which is fused with the outer periphery of the upper end of the transparent film 130 by ultrasonic waves, and the lining 10 located on the inner side of the wearer's It is configured to unfold so as to come into contact with the skin.

In addition, the second fabric 120 constitutes the lower end 104 of the mask body, the upper end of which is fused with the outer periphery of the lower end of the transparent film 130 by ultrasonic waves, and the lining 10 located inside the mask body is attached to the wearer's skin. It is configured to unfold so as to contact.

In addition, the upper end of the transparent film 130 is fused to the outer periphery of the upper end of the mask body 102 and the ultrasonic wave, and the lower end is fused to the outer periphery of the lower end of the mask body 104 and the ultrasonic wave around the wearer's mouth and nose. covers

Although detailed description thereof will be omitted below, the lining 10 and the outer fabric 30 of the mask 100 provided with a transparent window according to an embodiment of the present invention are PE (Poly Ethylene), PP (Poly Propylene), PET (Poly Ethylene Terephthlate), composed of any one of pulp, silk, non-woven fabric, cotton, or cellulose fiber, or a fiber selected from the group consisting of combinations thereof, and the filter 20 is a Melt-Blown filter (melt brown non-woven fabric) , It may be composed of any one of a nanofiber filter, or an activated carbon filter.

In addition, the transparent film 130 is triacetate, PP (Poly Propylene), OPP (Oriented Poly Propylene), BOPP (Biaxially Oriented Poly Propylene), CPP (Casting Poly Propylene), IPP (Inflate Poly Propylene), Ny (Nylon), It can be made of any one of PO (Propylene Oxide) and Cellulose.

In addition, the first and

second fabrics

110 and 120 may have the same width as the lining 10, filter 20, and outer fabric 30 of the mask, but one embodiment of the present invention is limited to this. it is not going to be

As shown in FIG. 2, the lining 10 applied to the first and

second fabrics

110 and 120 of the mask 100 having a transparent window according to an embodiment of the present invention is configured to come into contact with the wearer's face. And, the filter 20 is laminated on the outside of the lining 10 to filter out fine dust or dust, and the outer fabric 30 is laminated on the outside of the filter 20 to contact the outside air, and both sides of the outer fabric 30 It is attached to and includes a strap 40 fixed to the wearer's ear.

In addition, the upper end of the transparent film 130 is fused to the outer periphery of the upper end of the mask body 102 and the ultrasonic wave, and the lower end is fused to the outer periphery of the lower end of the mask body 104 and the ultrasonic wave around the wearer's mouth and nose. will cover

As shown in FIG. 3, the transparent film 130 of the mask 100 with a transparent window according to an embodiment of the present invention is configured to protect the wearer's nose and mouth from outside air, so that the shape of the wearer's mouth can be seen from the outside. It is transparent so that identification is possible, and communication with the hearing impaired is possible through sign language even while wearing a mask, and the thickness is formed from 4 mm to 10 mm, but the present invention is not limited thereto.

In addition, the transparent film 130 is composed of two layers consisting of a coating layer 134 composed of a hydrophilic resin or surfactant on the surface of the film 132, and the anti-fog treatment that prevents water from forming on the surface by this coating layer 134 (放曇處理) is done.

Specifically, the anti-fog treatment applied to the mask 100 with a transparent window according to an embodiment of the present invention treats a triacetate film with a caustic alkali to hydrolyze a part of an acetyl group and replace it with a hydroxyl group Accordingly, the hygroscopicity of the cellulose film is improved, and it has an antifogging function under a high humidity environment.

In addition, when the moisture absorption reaches saturation, it is fogged, but when the absorbed moisture is released, it returns to its original state, and as this action is reversibly and repeatedly performed, continuous anti-fogging treatment is possible.

In addition, the transparent film 130 may have a solid line of an unspecified pattern printed on the surface of the film 132 or the coating layer 134, and the printed solid line is the transparent film 130 This prevents the inner coating layer 134 from being messy. At this time, the solid line is printed so that the shape of the wearer's mouth does not interfere with identification.

In addition, the transparent film 130 may have any one of a lattice pattern, a circular pattern, a triangle pattern, a square pattern, a pentagonal pattern, a hexagonal pattern, or a star-shaped pattern formed on the surface of the film 132 or the coating layer 134, , each pattern may form a step of a predetermined depth.

The pattern of the coating layer 134 formed with the step difference prevents the coating layer 134 inside the transparent film 130 from being dirty by bouncing the wearer's saliva, and suppresses fogging due to the increase in surface area due to the step difference. .

In addition, as shown in FIG. 4, the transparent film 130 is disposed on the side where the coating layer 134 is in contact with the wearer's skin and is fused to the inside of the lining 10 through ultrasonic waves, or a pair of lining 10 and a filter ( 20) may be fused by ultrasonic waves, or fused between the filter 20 and the outer fabric 30 by ultrasonic waves, or may be fused to the outside of the outer fabric 30 by ultrasonic waves.

In addition, as shown in Figure 5, the mask 100 provided with a transparent window according to an embodiment of the present invention through the outer periphery of the film 132 of the transparent film 130 or the inner outer periphery of the coating layer 134 and ultrasound It is configured to further include a mesh 140 to be fused.

The mesh 140 prevents the shape of the transparent film 130 from being deformed due to the wearer's breath, and prevents the coating layer 134 inside the transparent film 130 from being dirty by splashing the wearer's saliva droplets. do.

In addition, the mesh 140 is made of any one of polyamide fibers (PA), polyester fibers (PES), and polyvinyl alcohol fibers (PVA), and the coating layer formed on the surface thereof is polyvinyl chloride (PVC). Or polyurethane (PU) is formed of any one material, and is configured to prevent corrosion or deterioration due to the wearer's droplets by the coating layer.

Hereinafter, referring to FIG. 6, a process for manufacturing a mask having a transparent window according to an embodiment of the present invention will be described below.

In order to manufacture a mask having a transparent window according to an embodiment of the present invention, first, the first fabric 110, each of which is a pair of the lining 10, the filter 20, and the outer fabric 30, is placed on each fabric hanger 1. fixed on

In addition, the transparent film 130 is fixed to the fabric hanger 1 such that one side of the transparent film 130 overlaps the side portion of the first fabric 110 by a predetermined length.

In addition, the second fabric 120, each of which is a pair of the lining 10, the filter 20, and the outer fabric 30, is fixed to the fabric hanger 1 so that one side overlaps the side of the transparent film 130 by a predetermined length. do.

At this time, the fabric hanger 1 is arranged so that the pair of lining 10, filter 20, and outer fabric 30 are spaced apart from each other by a predetermined distance so that no interference occurs.

As mentioned above, it has been described that the first fabric 110, the transparent film 130, and the second fabric 120 are sequentially fixed to the fabric hanger 1, but the present invention is not limited thereto. Sides of the fabric 110 and the second fabric 120 may be fixed so as to overlap the small length of the transparent film 130 .

In this way, when the first fabric 110, the transparent film 130, and the second fabric 120 are fixed to the fabric hanger 1, the fabric supply means 2 is connected to the first fabric 110 and the transparent film 130. And the second raw material 120 is supplied to the forming mold 3 .

At this time, the fabric supply unit 2 controls rotation so that each fabric hanger 1 is synchronized so that the first fabric 110, the second fabric 120 and the transparent film 130 are uniformly formed on the mold 3 drive to supply

The first fabric 110, the second fabric 120, and the transparent film 130 supplied to the mold 3 in this way are first fabric 110 and the second fabric 120 by the ultrasonic welding unit 4. And each of the transparent films 130 is fused in a laminated state to produce a main body having a mask shape.

The mask body produced in this way is configured so that the upper end 102 is fused with the upper end of the transparent film 130 and the ultrasonic wave so that the inner lining 10 is in contact with the wearer's skin, and the lower end 104 is the transparent film ( 130) is fused with the lower end of the inner lining 10 by ultrasonic waves, so that the inner lining 10 is unfolded to contact the wearer's skin.

As a process after the mask body is produced, a process of fixing the string 40 by ultrasonic welding is performed on both sides of the mask body transferred to the string fusing means 5 .

At this time, the string fusing means 5 transfers the pair of strings 40 to a predetermined position on both sides of the mask body in a state in which one end and the other end are fixed, and moves the string 40 to come into contact with the outer fabric 30. The string 40 is fused to the mask body through ultrasonic waves.

Hereinafter, referring to FIG. 7, a method for manufacturing a mask having a transparent window according to an embodiment of the present invention will be described below.

First, the fabric hanger 1 fixes the first and

second fabrics

110 and 120 and the transparent film 130 in which the lining 10, the filter 20 and the outer fabric 30 form a pair, respectively. (S702).

Subsequently, the fabric supply unit 2 synchronizes each of the first fabric 110, the second fabric 120, and the transparent film 130 and supplies them to the mold 3 (S704).

Subsequently, the ultrasonic welding means 4 fuses the first fabric 110, the second fabric 120, and the transparent film 130 drawn into the mold 3 in a laminated state to produce a mask body ( S706).

Then, in a state where the string fusing means 5 fixes one end and the other end of each string 40, the string 40 is attached to predetermined positions on both sides of the mask body by ultrasonic welding (S708).

Hereinafter, with reference to FIG. 8, a detailed process for step S702 of the method for manufacturing a mask M having a transparent window according to an embodiment of the present invention is as follows.

First, the fabric hanger 1 fixes the first fabric 110 composed of the lining 10, the filter 20, and the outer fabric 30 (S802).

Subsequently, the transparent film 130 is fixed so that the fabric hanger 1 overlaps the side of the first fabric 110 by a predetermined length (S804).

Then, the second fabric 120 composed of the lining 10, the filter 20, and the outer fabric 30 is fixed so that the fabric hanger 1 overlaps the side of the transparent film 130 by a predetermined length, and goes to step S704. The procedure is carried out (S806).

Hereinafter, with reference to FIG. 9, the process before step S702 of the method for manufacturing a mask having a transparent window according to an embodiment of the present invention is as follows.

First, the ultrasonic fusion means 4 fuses the net 140 to the inner or outer periphery of the transparent film 130 through ultrasonic waves, and proceeds to step S702 (S902).

According to the configuration as described above, the central part of the mask body is provided with a mask having a transparent film formed by integrating a lining, a filter, and an outer material at the upper and lower ends, thereby providing a mask equipped with a transparent window, so that the shape of the wearer's mouth can be identified from the outside. It is transparently transparent so that the hearing impaired can communicate through sign language even while wearing the mask, and the manufacturing process of a mask equipped with a transparent window can be automated.

Although the above has been described and illustrated in relation to preferred embodiments for illustrating the technical idea of the present invention, the present invention is not limited to the configuration and operation as shown and described in this way, and does not deviate from the scope of the technical idea. It will be readily apparent to those skilled in the art that many changes and modifications can be made to the present invention without Accordingly, all such appropriate alterations and modifications and equivalents should be regarded as falling within the scope of the present invention.

[Description of code]

1: fabric hanger

2: fabric supply means

3: mold

4: ultrasonic welding means

5: string fusion means

10: Lining

20: filter

30: Outer

40: strings

100: mask equipped with a transparent window

102: upper part

104: lower part

110: first fabric

120: second fabric

130: transparent film

132: film

134: coating layer

140: mesh

Claims

A first fabric and a second fabric in which the lining, the filter, and the outer fabric form a pair, respectively; and

Including a transparent film that protects the wearer's nose and mouth from outside air,

The first fabric constitutes the upper end of the mask body, the lower end thereof is fused with the outer periphery of the upper end of the transparent film by ultrasonic waves, and the lining located inside thereof is configured to be unfolded so as to contact the wearer's skin,

The second fabric constitutes the lower end of the mask body, the upper end thereof is fused with the outer periphery of the lower end of the transparent film by ultrasonic waves, and the lining located inside thereof is configured to be unfolded so as to contact the wearer's skin. A mask with a window.
The method of claim 1,

The transparent film,

The upper end is fused with the outer periphery of the upper end of the mask body by ultrasonic waves,

A mask with a transparent window, characterized in that the lower end is fused with the outer periphery of the lower part of the mask body by ultrasonic waves to cover the front around the mouth and nose of the wearer.
The method of claim 1,

The transparent film,

film; and

It consists of a coating layer composed of a hydrophilic resin or surfactant on the surface of the film,

The coating layer is a mask equipped with a transparent window, characterized in that the anti-fog treatment is made so that water does not form on the surface.
(a) fixing the first and second fabrics and the transparent film, each of which is a pair of lining, filter, and outer fabric, by means of a fabric hanger;

(b) supplying the first fabric, the second fabric, and the transparent film to the molding die by synchronizing each of the fabric supply means;

(c) producing a mask body by fusing the first fabric, the second fabric, and the transparent film, each of which is introduced into the mold by an ultrasonic welding unit, in a laminated state; and

(d) A method of manufacturing a mask with a transparent window, comprising the step of attaching a string to predetermined positions on both sides of the mask body by ultrasonic welding in a state in which one end and the other end of each string are fixed by the string fusing means.
According to claim 4,

In step (a),

(a-1) fixing a first fabric composed of a lining, a filter, and an outer fabric by a fabric hanger;

(a-2) fixing the transparent film so that the fabric hanger overlaps the side of the first fabric by a predetermined length; and

(a-3) A method of manufacturing a mask with a transparent window comprising the step of fixing a second fabric composed of a lining, a filter and an outer fabric so that the fabric hanger overlaps the side of the transparent film by a predetermined length.