KR102402996B1 - Disposable mask - Google Patents

Abstract

Disclosed in the present invention is a disposable mask including: a main body composed of several filters with horizontal and vertical directions to cover around the mouth and nose of a wearer's face, wherein in order to secure a three-dimensionally expanded space when worn, a number of pleats are formed vertically by folding a part in the vertical direction overlapping back and forth, and stitch-shaped joint lines are formed at both edges in the horizontal and vertical directions through ultrasonic welding, respectively; and a pair of ear straps installed on the top of the main body in a horizontal direction to prevent slipping down when worn and attached to both sides of the main body in a horizontal direction. In order to flexibly adhere to a part of the joint line formed on both edges of the main body in the horizontal direction while there is no gap with the wearer's face when wearing the mask, many non-joints are formed so that smooth deformation of both edges of the body in the horizontal direction is induced and the unfolding interference phenomenon of the pleats is prevented.

Description

Disposable mask {DISPOSABLE MASK}

The present invention protects the respiratory tract from aerosol-like bacteria, viruses, germs, fine dust, yellow dust, and other particulate harmful substances and infectious agents, and droplets from the mouth spread when the wearer coughs, sneezes, or speaks, or It relates to a disposable mask that hygienically blocks splashing, and more particularly, to a mask for blocking splashes that prevents the left and right edge portions from being in close contact with the wearer's face and from spreading or floating when worn.

Recently, due to the pandemic of the novel coronavirus infection (COVID-19), a mask for blocking droplets is used a lot for the purpose of preventing infection through droplets (saliva) in daily life.

In other words, the droplet blocking mask is a general-purpose dental mask worn by medical staff to replace health masks such as KF80, KF94, and KF99, which are difficult to breathe. There is an increasing demand.

As shown in FIG. 1 , this droplet blocking mask covers around the mouth and nose of the wearer's face, and when worn, a plurality of pleats are folded up and down to secure a three-dimensionally expanded space. It consists of the formed main body 20, and a pair of ear straps 30 hung on both sides of the body 20 in the horizontal direction in order to hang on the wearer's ear and closely adhere the main body 20 so that the wearer's mouth and nose are covered.

And, at the edge of the main body 20, a stitch-shaped bonding line 22 is formed at regular intervals in order to bond several sheets of nonwoven fabric by ultrasonic fusion (vibration energy) or the like.

However, when wearing such a mask for blocking splashes, both edges of the main body 20 to which the ear string 30 is connected are not completely in close contact with the wearer's face due to the pulling action of the ear string 30, and there is a phenomenon in which it opens or rises. There is a problem in that droplets from the mouth spread when the wearer coughs, sneezes, or speaks through this, or various particulate harmful substances such as viruses and infectious agents are introduced into the wearer's respiratory tract.

That is, the main body 20 is a structure made by fusion-bonding the edges while forming a pleat by folding a part of the body 20 up and down, so that when worn, deformation such as tension and contraction due to the pulling force of the ear strap 30 occurs with the joint line 22 and It is suppressed by the unfolded pleats, and there is a limitation in that it does not naturally and flexibly adhere to the wearer's face and creates a gap.

The background or prior art described herein is information possessed by the inventor or acquired in the process of deriving the present invention, and is only intended to help in understanding the technical meaning of the present invention, and prior to the filing of the present invention, the technology to which this invention belongs It is revealed that it does not mean a technique widely known in the field, and the reference numerals in the prior art are not mutually exclusive with the reference numerals in the present invention.

KR 10-2298283 B1 (2021.08.31) KR 10-1782477 B1 (2017.09.21) KR 10-2009-0049628 A (2009.05.19) KR 10-2150345 B1 (2020.08.26) KR 10-2018-0020961 A (2018.02.28) KR 10-2020-0002649 A (2020.01.08) KR 20-2021-0001034 U (2009.05.19) KR 20-0493359 Y1 (2021.03.11) JP 2008-55035 A (2008.03.13)

Accordingly, the present inventor comprehensively considers the above-mentioned matters and at the same time, from the idea of solving the technical limitations and problems of the existing disposable mask technology, when wearing the mask, the left and right edge portions are naturally and flexibly adhered to the wearer's face without gaps The present invention was created as a result of continuous research while making every effort to develop a disposable mask of a new structure that can achieve the effect of preventing the opening or lifting.

Therefore, the technical problem and object to be solved by the present invention is to provide a disposable mask that can be firmly in close contact with the wearer's face and without gaps.

Here, the technical problems and objects to be solved by the present invention are not limited to the technical problems and objectives mentioned above, and other technical problems and objects not mentioned above are based on common knowledge in the technical field to which the present invention belongs from the description below. Those who have it will be able to understand clearly.

Specific means according to an aspect of the present invention for effectively achieving a specific technical purpose while embodying a new idea for solving the technical problem of the present invention as described above is, around the mouth and nose of the wearer's face It consists of several filters in the horizontal and vertical directions to cover them, and to secure a three-dimensionally expanded space when worn, a plurality of pleats are formed by overlapping a part of the vertical direction back and forth. A body in which a stitch-shaped junction line is formed through ultrasonic fusion, respectively, a pair of ear straps attached to both ends of the body in the horizontal direction, which are long embedded in the upper part of the body in the horizontal direction to prevent slipping when worn Including, inducing smooth deformation of both edges of the body in the horizontal direction in order to flexibly adhere to a portion of the joint lines formed on both edges of the body in the horizontal direction without a gap with the wearer's face when wearing the mask, and the pleats Presents a disposable mask, characterized in that a plurality of non-bonding parts are formed to prevent the spread of interference.

As a result, the present invention provides a natural and flexible contact with the wearer's face without gaps when worn, preventing the left and right edges from opening or lifting, so that droplets from the mouth spread when the wearer coughs, sneezes, or speaks It can effectively block the inflow of various particulate harmful substances such as viruses and infectious agents into the wearer's respiratory tract.

In addition, in a preferred embodiment (aspect) of the present invention, the pleats of the main body are made of long wrinkled surfaces and wrinkled lines in the horizontal direction, and a center pleat formed in the center of the main body, and the center pleat on the upper side an upper pleat and a low pleat formed below the center pleat as a center, wherein the upper pleat and the low pleat have the wrinkle surface and the wrinkle line formed in the same direction as each other, respectively, and the non-joint portion includes the wrinkle line As the width gradually widens toward the center of the wrinkle surface as a center, it can be more firmly in close contact with the wearer's face without gaps.

In addition, in a preferred embodiment (aspect) of the present invention, the bonding line is formed in the longitudinal direction along both edges of the body in the horizontal direction, and the bonding line located on the pleat is the wrinkled surface with the pleated line interposed therebetween. It is formed in either a triangular shape with a pointed end toward the center of In addition, it is possible to effectively prevent the unfolding interference phenomenon of the pleats, so that the wearer's face can be more flexible and firmly adhered without a gap.

According to the technical idea and embodiment (embodiment) of the present invention, which is based on a unique solution to solve the above technical problem, a part of the joint line formed on both edges of the body in the transverse direction is Since it is formed as a non-joint part that allows the body to unfold naturally by inducing smooth and flexible deformation of the edge and preventing the pleat unfolding interference phenomenon, it is possible to prevent the phenomenon that the left and right edges are separated from the wearer's face when worn. have.

Therefore, it is firmly attached to the wearer's face without any gaps, effectively preventing the spread of droplets from the mouth when the wearer coughs, sneezes, or speaks, or various particulate harmful substances such as viruses and infectious agents from entering the wearer's respiratory tract. can be blocked

Here, the effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art from the description of the claims.

1 is a schematic diagram showing a wearing state of a disposable mask according to the prior art.
2 is a front view showing a disposable mask according to an embodiment of the present invention.
3 is a rear view showing a disposable mask according to an embodiment of the present invention.
4 is an enlarged cross-sectional view of a disposable mask according to an embodiment of the present invention.
5 is a schematic diagram showing a wearing state of a disposable mask according to an embodiment of the present invention.

Hereinafter, an embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

Prior to this, the terms described below are defined in consideration of the functions in the present invention, which indicate that they should be interpreted as concepts consistent with the technical spirit of the present invention and meanings commonly or commonly recognized in the art.

In addition, when it is determined that a detailed description of a known function or configuration related to the present invention may obscure the gist of the present invention, the detailed description thereof will be omitted.

The accompanying drawings may be illustrated by exaggerating or simplifying a part for the explanation of the configuration and operation of the technology and for convenience and clarity of understanding, and it is important that each component in the drawing exactly matches the actual size and shape reveal that it is not

In addition, in this specification, the term and/or is meant to include a combination of a plurality of related described items or any of a plurality of related described items, and when a part includes a certain component, it is a description that is specifically opposite This does not mean that other components are excluded, but other components can be further included.

That is, terms such as 'include' or 'have', 'have' as used in the present specification mean that a feature, number, step, operation, component, part, or combination thereof exists. However, it is to be understood that this does not exclude the possibility of addition or existence of one or more other features or number, step operation components, parts, or combinations thereof.

And terms such as upper, lower, upper, lower, upper, lower, upper, lower, front and rear, left and right are used for convenience to distinguish relative positions of each component. For example, the upper side in the drawing may be named or referred to as the upper side and the lower side as the lower side, the longitudinal direction may be named or referred to as the front-back direction, and the width direction may be named or referred to as the left/right direction.

Also, terms such as first, second, etc. may be used to describe various components. That is, terms such as 1st, 2nd, etc. may be used only for the purpose of distinguishing one component from another component. For example, a first component may be referred to as a second component without departing from the protection scope of the present invention, and the second component may also be referred to as a first component.

As shown in FIGS. 2 to 4 , the main components constituting the disposable mask according to an embodiment of the present invention include a main body 100 , a nose piece 200 , and an ear strap 300 .

The body 100 has a structure in which several sheets of filters having horizontal and vertical directions are overlapped to cover the mouth and nose of the wearer's face, and a part of the vertical direction is overlapped back and forth to secure a three-dimensionally expanded space when worn. A plurality of folded pleats 110 are formed at equal intervals up and down.

That is, the main body 100 is composed of an outer material, an intermediate material, a filter, a lining, and the like, and when worn, the overlapping portions of the pleats 110 are stretched up and down, and the wearer's mouth, nose, cheeks, and chin are comfortable without lifting. It is designed to be covered and covered.

And the pleat 110 is composed of a long pleated surface 111 and a pleated line 112 in the horizontal direction of the main body (100).

In addition, the pleats 110 include a center pleat 110a formed in the center of the main body 100, an upper pleat 110b and a center pleat 110a formed on the upper side with the center pleat 110a as the center, and the center pleat 110a on the lower side. It includes the formed low pleats (110c).

In addition, the upper pleats 110b and the lower pleats 110c have corrugated surfaces 111 and wrinkled lines 112 formed in the same direction as each other, respectively.

In addition, stitch-shaped bonding lines 120 are formed on both edges of the body 100 in the horizontal and vertical directions through ultrasonic fusion, respectively.

That is, the bonding line 120 is formed in the vertical direction along both left and right edges of the body 100 in the horizontal direction, and in the horizontal direction along both upper and lower edges in the vertical direction, respectively.

In addition, the joint line 120 positioned on the pleat 110 among the joint lines 120 has a triangular shape or a central portion with a pointed end toward the center of the wrinkled surface 111 with the wrinkled line 112 interposed therebetween. It is formed in this convexly protruding protrusion-shaped pattern.

For example, the joint line 120 formed on both edges of the body 100 in the horizontal direction is made of a shape in which several broken lines are arranged in parallel, and is located inside the body 100 among the joint lines 120 . The dashed line may be formed in a shape in which the line interval of the broken line gradually widens toward the joining line 120 on the line side.

Here, the bonding line 120 may be formed by an ultrasonic bonding method in which microvibration energy is generated by an ultrasonic welding machine to cut the cross section of the fabric and at the same time melt the surface and adhere without sewing.

In addition, a plurality of non-bonding portions 130 are formed in a portion of the bonding lines 120 formed along both edges of the body 100 in the horizontal direction to flexibly adhere to the wearer's face without a gap when wearing the mask.

That is, the non-joint portion 130 induces a smooth deformation of both edges of the body 100 in the horizontal direction and prevents the unfolding interference phenomenon of the pleats 110 centered on the pleats 112 of the pleats 110 The wrinkle surface 111 is formed to gradually widen in width toward the central portion.

For example, the non-bonding portion 130 may be formed in a concave-convex pattern of a wavy shape or a round wavy curve shape based on the wrinkle line 112 .

Here, the main body 100 may have a triple structure in which an MB (melt blown) filter is sandwiched between the SB (spunbond) outer fabric of the nonwoven nature.

In addition, a soft comedon or thermal bond non-woven fabric (OCP) lining (not shown) that reduces skin irritation may be attached to a portion of the body 100 that is in direct contact with the wearer's face.

That is, the main body 100 may have a triple structure in which an MB (melt blown) filter is sandwiched between the non-woven SB (spunbond) outer and thermal bond nonwoven (OCP) linings.

In addition, the main body 100 and the ear string 300 can be connected by an ultrasonic bonding method in which microvibration energy is generated by an ultrasonic welding machine to cut the cross section of the fabric and at the same time melt the surface and adhere without sewing.

In addition, the filter uses a nonwoven fabric with a filter function to filter out particles, etc. Alternatively, a fibrous web layer spun with melt blown (MB) equipment while electrostatically treated is laminated on a fibrous web layer spun with polypropylene resin using spunbonding (SMS) equipment. It is possible to use the one made in the shape of a cloth by adding

The nose piece 200 is embedded long in the horizontal direction at the upper end of the main body 100 to prevent dripping when worn.

Here, the nose piece 200 may be manufactured by coating a wire having excellent bendability with all or part of polypropylene, polyethylene, and polyvinyl chloride, or may be applied by adopting a product made only of polypropylene, polyethylene, and polyvinyl chloride.

The ear strap 300 is attached to both ends of the body 100 in the horizontal direction in a ring shape so that the body 100 can be worn by hanging over the ears while covering the mouth and nose by closely adhering to the wearer's face (face). depends

That is, the ear strap 300 has elasticity and elasticity, and is formed in the form of a long and thin strip made of a strong material and a ring shape.

Here, the ear string 300 is stretched elastically to be stretched to hang on the ear and minimizes pain by suppressing the increase in the force applied to the ear, and has excellent elastic restoring force, so it naturally returns to the original position from the stretched state, and after taking off the mask It is preferable to form a material or functional fabric that does not deform in an extended state even when the process of wearing it again is repeated.

For example, the ear string 300 is mixed or woven using all or part of polyurethane, nylon, polyester, and polyethylene terephthalate, and the tensile strength is 10N or more, the elongation is 200% or more, and the elasticity is 155% or less. It is preferable to apply it.

Disposable mask according to an embodiment of the present invention configured as described above, a portion of the bonding line 120 induces smooth and flexible deformation of both edges of the body 100 in the horizontal direction while preventing the unfolding interference phenomenon of the pleats 110 Since it is formed of the non-joint part 130 and the both edge portions and pleats 110 in the horizontal direction of the main body 100 along the curves of the wearer's face when worn, the body 100 naturally unfolds in an arc shape, as shown in FIG. 100), it is possible to prevent the phenomenon that the left and right edge portions of the wearer are separated from the face or lifted.

As such, the disposable mask according to an embodiment of the present invention has good flexibility to be easily deformed corresponding to the facial contour of the wearer of the main body 100, and thus is firmly in close contact with the wearer's face without gaps. It can effectively block the spread of droplets from the mouth or the inflow of various harmful particulate matter and infectious agents such as viruses into the wearer's respiratory tract.

On the other hand, the present invention is not limited by the above-described embodiment and the accompanying drawings, and can be variously modified and applied in various ways not illustrated within the scope without departing from the technical spirit of the present invention, as well as each It is clear to those of ordinary skill in the art to which the present invention pertains that it can be widely applied by changing the component substitution and other equivalent embodiments.

Therefore, the contents related to the modification and application of the technical features of the present invention should be interpreted as being included within the technical spirit and scope of the present invention.

100: body 110: pleats
120: junction line 130: non-junction part
200: nose 300: ear string

Claims (3)

It consists of several filters in the horizontal and vertical directions to cover the mouth and nose of the wearer's face, and folds a part of the vertical direction back and forth to secure a three-dimensionally expanded space when worn. 111) and a plurality of pleats 110 composed of wrinkle lines 112 are formed vertically, and a stitch-shaped bonding line 120 is formed on both edges in the horizontal and vertical directions through ultrasonic welding, respectively. ;
The nose piece 200 is built in the upper end of the main body 100 in the horizontal direction to prevent dripping when worn; and
a pair of ear straps 300 attached to both ends of the body 100 in the horizontal direction;
In a disposable mask comprising a,
The pleats 110 include a center pleat 110a formed in the center of the main body 100, an upper pleat 110b formed on the upper side with the center pleat 110a as the center, and the center pleat 110a as the center. It includes a low pleat (110c) formed on the lower side,
The upper pleats 110b and the low pleats 110c have the corrugated surface 111 and the wrinkled line 112 formed in the same direction as each other, respectively,
Smooth deformation of both edges of the body 100 in the horizontal direction in order to flexibly adhere to a portion of the bonding lines 120 formed on both edges of the body 100 in the horizontal direction without a gap with the wearer's face when worn The non-joint portion 130 for inducing and preventing the unfolding interference of the pleats 110 is formed to gradually widen in width toward the center of the pleated surface 111 around the pleated line 112,
The bonding line 120 is formed in a shape in which at least three or more broken lines are arranged in parallel in the vertical direction along both edges of the body 100 in the horizontal direction, and among them, toward the line located inside the body 100 . The line spacing of the broken line is formed in a shape that gradually widens, and the shape formed by the joining lines 120 positioned on the pleats 110 is toward the center of the pleated surface 111 with the pleated line 112 interposed therebetween. Disposable mask, characterized in that it is formed in either a triangular shape with a pointed end or a protrusion with a convex center.
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