JP2020084339A - Deviation prevention mask - Google Patents

Abstract

To provide a mask which is not deviated even if it is used by wearing on a face.SOLUTION: A pleat mask 90 comprising a mask body 1 in which a pleat capable of stretching in a vertical direction is formed and wearing strings 2 at right and left side end edges of the mask body 1 so that the mask body 1 can be worn on the face, comprises: a fixing string 3 passing through an inner side of the mask body 1; and string hooking parts 6 hooked on the fixing string 3 at the vicinity of right and left corners on an upper side of the mask body 1. The right and left string hooking parts 6 are hooked on the fixing string 3.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mask that is worn on a face and does not shift when used.

As a mask to be worn on the face, a mask which is hard to be displaced has been proposed, and the outline is as follows.
As shown in Patent Document 1, a string attached to the upper and lower ends of the side end of the mask is provided on both sides, one string is hung on the back of the head between the middle part and the upper end, and is attached to the neck part between the middle part and the lower end. The middle part of the strap is hooked to a hook member for hooking the strap on the opposite side of the mask. Similarly, the other string is also hung on the back of the head, hung on the neck, and hooked on the hooking member. The two strings are in a state in which the occipital region and the neck region are crossing each other.
This proposal does not make it easy to adjust the balance between the length of the upper and lower strings on the back of the head and neck and the tensile strength, and there is a problem that the mask will shift if used in an insufficiently adjusted state. It was

JP, 2016-49155, A

This had the following drawbacks.
In the conventional invention of Patent Document 1, a mask for attaching the mask to the face is divided from the middle part of the string to the upper end side and the lower end side and hung on the back of the head and the neck to fix the mask. In the middle part of the string, the string is hooked on a slidable hook member, but it is possible to automatically and optimally adjust the balance between the length and the pulling force on the upper and lower ends of one string. It was not possible to adjust the balance of the strings because it was not possible to do so, and there was no choice but to judge the balance based on the feeling of hooking the strings and then hook the strings. Further, in order to make it difficult for the mask to shift, if the pulling force of the upper and lower ends of the cord is increased, discomfort due to tightening increases. Further, if the pulling force on the upper end side of the cord is weak, the cord applied to the back of the head tends to be displaced, which causes the mask to be displaced.
According to the configuration of the invention of Patent Document 1, the upper end side and the lower end side of one string are hooked and supported by the hooking member in the middle portion, and at the same time, the hooking member on the opposite side is hooked near the hooking member. Since the pulling force of the three directions is concentrated at one point in the hooking member, the left and right hooking members or the vicinity of the hooking member are pulled at the upper end of the mask, and the mask is attached. Even if the nose piece is installed at the upper end of the nosepiece and the gap between the upper part of the nose and the mask is eliminated to prevent the glasses from becoming fogged, the bent part of the nosepiece will be It stretched out and created a gap, reducing the degree of adhesion, and the humidification of the mouth caused the leaked glasses to become cloudy.

The present invention which solves the above-mentioned subject has the following composition.
In addition, the "root under the nose" referred to in the present application means a concave portion between the nose and the upper lip. “Ear root above ear” means the recess between the ear and the head above the ear. "Inside the mask body" means the side of the mask body that contacts the face. "Outside the mask body" means the side of the mask body that is not in contact with the face.

The shift prevention mask according to claim 1 is mounted on the left and right side edge portions of the mask body so that the mask body is formed with pleats capable of expanding in the vertical direction and the mask body can be mounted on the face. In a pleated mask provided with a string, a fixed string that passes through the inside of the mask body, and a string hook portion that is hooked to the fixed string near the upper and lower corners of the mask body, and the left and right strings are fixed to the fixed string. It is characterized in that the hook portion is hooked.
In the invention of the above-mentioned configuration, the fixing cord is an ear root on the left ear, a string hook on the left side of the mask body, a root under the nose, a string hook on the right side of the mask body, on the right ear. Pass through each ear root and tie it behind the head to attach and fix it to the head. The order in which the fixing string passes may be reversed. Another example of attaching and fixing the fixing cord behind the head will be described in an embodiment described later.
The position of fixing the fixing cord of the invention of claim 1 to the head is such that it is hardly moved even if the jaw and the neck are moved, and furthermore, it is hung from the bottom to the bottom of the nose. Since it is in a state of being hung from above to the root of the ear above the ear, almost no movement can be maintained. Even if the chin moves greatly due to sneezing, yawning, coughing, talking, etc., it does not affect the displacement. Further, the fixing cord does not slip or slip even if there is sebum or sweat. The fixing string fixed to the head does not move easily even if it is moved up and down by hand.
Since the left and right cord hook portions of the invention according to claim 1 are hooked on the fixed cord that does not move when attached to the head, the upper side of the cord hook portion of the pleated mask body moves downward. I can't. Therefore, even if the chin and the neck are moved, the upper portion of the mask body can maintain the position at the time of wearing the face attached to the face.
When a commercially available mask is worn on the face and sneezes, yawns, talks, etc., the mask body is pulled by the movement of the jaw and is displaced. However, in the invention according to claim 1, the fixing cord is a hooking portion of the cord. Since it is fixed so that it does not move downward, the upper part of the mask body does not move downward, and the lower part of the mask body moves up and down according to the chin by pleating, but if you close the mouth, the wearing string will Pull the lower part of the mask body back to its original position.
The pulling force of the straps of commercially available masks has been such that the mask body attached does not fall off from the face, but the strap of the invention of claim 1 mainly pulls the mask body away from the face and separates it. The fixed string and the string hook part mainly serve to prevent the mask body from being displaced. Therefore, the pulling force for preventing the attachment string from being displaced is not required, and thus the pulling force can be weakened correspondingly, and the pain when worn on the ear can be reduced. The fixing string can be tied firmly so that the knot tied behind the head does not come loose naturally, and it is sufficient if the knot can be untied after use if there is expansion or contraction of the knot. Since it is a string that is difficult to attach, it is attached to the head without pressing it, so there is no need to pull it into the skin.
Since the fixing cord of the invention according to claim 1 is attached along the face on the inner side where the mask body is attached, the tightness between the mask body and the face is not lowered. Further, the dome shape of the mask main body does not crush or further swell, and the original swelling can be maintained, and the feeling of pressure due to the wearing of the invention according to claim 1 is not felt.

A shift prevention mask according to a second aspect of the present invention is characterized in that, in the first aspect of the invention, the center portion of the fixing cord is a front frame made of a substantially U-shaped rod or tube.
In addition to the same operation as the invention according to claim 1, the invention according to claim 2 having the above-mentioned configuration uses the front frame in a state in which the front frame is hung at the position of the base under the nose. , It became easier to guide by holding both sides of the front frame located on the side of the face.
Since the front frame passing through the inside of the mask main body of the invention according to claim 2 is a front frame that is smaller than the covering portion of the mask main body and follows the contour of the face, it is possible to reduce the degree of adhesion between the mask main body and the face. Absent. Further, the dome-shaped bulge of the mask main body can be maintained, and the feeling of pressure due to the wearing of the invention of claim 2 is not felt.

In the invention according to claim 3, the shift prevention mask according to claim 3 is provided with a fixing frame, which is a substantially U-shaped rod or tube passing inside or outside the mask body, instead of the fixing cord. It is characterized in that both ends of the fixed frame are provided with ear hooks for hanging on the ears, and the left and right string hooks are hooked on the fixed frame.
According to the third aspect of the present invention having the above-described structure, in addition to the same operation as that of the first aspect of the present invention, the fixed frame is mounted on the back of the nose and the left and right ear hooks are hooked on the ears to be attached to the face. The stationary frame can be attached to the face through the inside or outside of the mask body. The fixed frame has both sides of the fixed frame located on the side surface of the face, and it is easy to guide the center of the fixed frame to the position of the back of the nose, and the fixing frame is easily attached and detached.
Since the fixing frame of the invention according to claim 3 is fixed by hanging it on the back of the nose and the ears, even if the chin is moved a lot due to sneezing, yawning, coughing, conversation, etc., it does not affect and shifts downward. There is no.
Since the left and right string hooks of the invention of claim 3 are hooked on the fixed frame between the nose and the ear, the upper side of the string hook of the pleated mask body can move downward. Can not. Therefore, the upper portion of the mask main body can maintain the position at the time of initial attachment to the face. The lower part of the mask body moves up and down according to the chin by pleating, but when the mouth is closed, the attachment string pulls the lower part of the mask body and returns to the original position.
The pulling force of the wearing cord of a commercially available mask does not cause the wearing mask body to come off from the face, but the wearing cord of the invention of claim 3 mainly pulls the mask body to the face to separate it. The fixed frame and the string hook part mainly serve to prevent the mask body from being displaced. Therefore, the pulling force for preventing the attachment string from being displaced is not required, and thus the pulling force can be weakened correspondingly, and the pain when worn on the ear can be reduced. Since the fixed frame is attached to the ear and the back of the nose, it does not bite into the skin and feel pain.
The fixed frame that passes through the inside of the mask body is smaller than the cover of the mask body and passes near the contour of the face, so the dome shape of the mask body does not collapse or expand further and the original bulge can be maintained. it can. Further, since the fixed frame that passes outside the mask body does not pass through the bulging position in the central portion of the mask body but through the upper portion of the mask body, the dome shape of the mask body hardly crushes and maintains the original bulge. be able to. Therefore, the degree of adhesion between the mask body and the face is not reduced. Further, no feeling of pressure is felt by the wearing of the invention according to claim 3.

According to a fourth aspect of the invention, in the shift prevention mask according to the first aspect of the invention, the mask main body has a hook portion at a central portion from an inner upper edge, and the hook portion attaches the mask main body to a face. In doing so, the mask body is hooked near the tip of the nose so that the mask body does not shift upward, and the center of the fixing cord is attached to the hooking portion.
According to the invention described in claim 4 of the above-mentioned configuration, in addition to the same operation as the invention described in claim 1, the fixing cord includes the ear root on the left ear, the cord hooking portion on the left side of the mask body, and the hooking portion. , Pass through the hook on the right side of the mask body and the ear root on the right ear, and tie it behind the head and fix it to the head. The order of passing may be reversed.
The hooking portion of the invention according to claim 4 is hooked near the tip of the nose, and the fixing cord attached to the hooking portion is fixed to the head.
The position of fixing the fixing cord of the invention of claim 4 to the head is such that it is almost fixed even if the jaw and the neck are moved, and the hooking portion is hooked upward near the tip of the nose. , It is in a state of hanging from the top to the bottom of the ears above the ears, so it is possible to maintain almost no movement. Therefore, sneezing, yawning, coughing, talking, etc., will not affect the displacement even if the chin moves greatly. Further, the fixing cord does not slip or slip even if there is sebum or sweat.
According to the invention of claim 4, since the fixing string fixes the string hook portion so as not to move downward, the upper part of the mask body does not move downward, and the lower part of the mask body is chined by pleating. It goes up and down according to, but when the mouth is closed, the attachment string pulls the lower part of the mask body and returns to the original position.
According to the fourth aspect of the present invention, by providing the hook portion at the center of the mask body, the hook portion can be guided from the outside of the mask body to the attachment position of the nose tip or the nostril.
Since the fixing cord of the invention according to claim 4 is attached along the face by passing through the hooking portion hooked on the nose tip or the nostril, the dome shape of the mask body does not crush or further swell, and the original bulge. Can be maintained, and the feeling of pressure due to the wearing of the invention of claim 4 is not felt.
The present invention has the above configuration.

According to the invention described in claim 1, even when the user wears it for a long time and becomes slippery due to sebum and sweat, and even when the chin is greatly moved for sneezing, yawning, talking, etc., the fixing cord is the upper part of the mask body. The bottom of the mask body moves up and down according to the chin by the pleats structure and the pulling of the wearing string, and it returns to its original state when the mouth is closed. I was able to maintain my position. Therefore, the movement of the mask body does not feel uncomfortable, and the work can be continued without lowering the concentration.
Further, since the fixed cord and the mounting cord of the invention according to claim 1 are separate cords, one cord is divided into an upper end and a lower end as in the invention of Patent Document 1, and the length and the pulling force of the upper and lower cords. Since there is no need to adjust the balance, the mask body does not shift and the discomfort due to the strength of tightening the string is not felt.
The cord hooking portion of the invention according to claim 1 can move on the fixed cord just by being hooked on the fixed cord, and does not pull the upper end portion of the mask main body to the left or right. Since there is no gap extending left and right, humidification at the mouth does not leak from the upper end of the mask body and cloud the glasses.
Since the fixing cord of the invention according to claim 1 can prevent the mask body from being displaced, the attaching cord does not need a tensile force for preventing the displacement, so that the tensile force of the attaching cord is weakened accordingly. It is possible to reduce the pain when the wearing cord is hooked on the ear. Even if the fixing string is attached to the head, it does not bite into the skin due to the pulling force, so that the pain due to it does not feel.
The use of the invention of claim 1 is, for example, in a workplace or medical facility handling food, and when the invention of claim 1 is worn and the displacement of the mask body is eliminated, the mask body is inadvertently fixed to correct the displacement. I couldn't touch it and I could improve hygiene. Further, when the invention of claim 1 is used for a patient infected with a virus or a bacterium, when the mask body is not misaligned, the discomfort due to the misalignment disappears, and the chance of contact infection by touching the mask body is reduced. , Viruses and bacteria attached to the mask body will be less likely to spread through your hands.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, by holding both sides of the front frame located on the side of the face, the center of the front frame can be guided to the position of the base under the nose. It became easier.

According to the third aspect of the present invention, it is possible to prevent the mask main body from being displaced downward due to the string hooking portion being hooked on the fixed frame attached to the face.
According to the third aspect of the present invention, it becomes easy to guide the center of the fixed frame to the position of the back of the nose by holding both sides of the fixed frame located on the side surface of the face, and the fixing frame can be easily attached and detached.

According to the invention of claim 4, in addition to the effect of the invention of claim 1, a hooking portion is provided in the center of the mask body, so that the hooking portion is held from the outside of the mask body, and It can be guided to the attachment position of the nostril.

It is the perspective view which looked at the shift prevention mask which concerns on Embodiment 1 of this invention from the side which contacts a face. It is the figure which attached the shift prevention mask of FIG. 1 to the face. It is explanatory drawing of the modification of the string hook part of the shift prevention mask which concerns on Embodiment 1 of this invention. It is explanatory drawing of the attachment modification of the fixed string of the shift prevention mask which concerns on Embodiment 1 of this invention. It is explanatory drawing of the modification of the string stop part of the shift prevention mask which concerns on Embodiment 1 of this invention. FIG. 5 is an explanatory view seen from the bottom to the top when the guide portion is provided in the shift prevention mask according to the first embodiment of the present invention. It is explanatory drawing which looked at the modification of the guide|guide part of the shift prevention mask which concerns on Embodiment 1 of this invention from the bottom to the top. It is the figure which attached the shift prevention mask which concerns on Embodiment 2 of this invention to the face. It is explanatory drawing of the modification of the fixed string and front frame of the shift prevention mask which concerns on Embodiment 2 of this invention. It is the figure which attached the shift prevention mask which concerns on Embodiment 3 of this invention to the face. It is the figure which attached the modification example of the gap prevention mask which concerns on Embodiment 3 of this invention to the face. It is the figure which attached the modification example of the gap prevention mask which concerns on Embodiment 3 of this invention to the face. It is the figure which attached the modification example of the gap prevention mask which concerns on Embodiment 3 of this invention to the face. It is the perspective view which looked at the shift prevention mask which concerns on Embodiment 4 of this invention from the side which contacts a face. It is the perspective view seen from the side which contacts the face of the modification of the gap prevention mask concerning Embodiment 4 of the present invention.

Next, a shift prevention mask according to an embodiment of the present invention will be described with reference to the drawings. The embodiments described below are examples for explaining the present invention, and the present invention is not limited only to these embodiments.

(Embodiment 1)
Hereinafter, the shift prevention mask according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 to 7.

1 is a perspective view of a misalignment prevention mask according to a first embodiment of the present invention as seen from the side in contact with the face, FIG. 2 is a view in which the misregistration prevention mask of FIG. 1 is attached to the face, and FIG. Explanatory drawing of the modification of the string hook part of the shift prevention mask which concerns on Embodiment 1, FIG. 4 is explanatory drawing of the attachment modification of the fixed string of the shift prevention mask which concerns on Embodiment 1 of this invention, FIG. 5: Explanatory drawing of the modification of the string stop part of the shift prevention mask which concerns on Embodiment 1 of this invention, FIG. 6 shows from the bottom up when the guide part is provided in the shift prevention mask which concerns on Embodiment 1 of this invention. FIG. 7 is an explanatory view seen from above, and FIG. 7 is an explanatory view showing a modification of the guide portion of the misregistration prevention mask according to the first embodiment of the present invention as seen from the bottom to the top.

As shown in FIG. 1, the misalignment prevention mask 100 according to the first embodiment is a mask body 1 made of non-woven fabric in which pleats capable of expanding in the vertical direction are formed. In the pleated mask 90 including the wearing cords 2 that can be worn on the left and right side edge portions of the main body 1, the fixing cord 3 that passes through the inside of the mask main body 1 and the left and right corner portions on the upper edge side of the mask main body 1, A hole 8a is provided as a string hook portion 6 through which the fixed string 3 is passed, and the fixed string 3 is passed through the left and right holes 8a. By passing the fixing cord 3 through the hole 8a, the hole 8a is caught in the fixing cord 3.

When the slip-prevention mask 100 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the fixing strap 3 has a central portion at the base under the nose from bottom to top. Hang it, pass it over the root of the ear on the left and right ears, tie it behind the head, and attach it to the head. There is no particular order of attaching the attachment string 2 and the fixed string 3.

As shown in FIG. 2, the fixing cord 3 of the slip prevention mask 100 is hung from the bottom of the nose to the top and from the top of the left and right ears to the bottom of the head. Tie at the back and attach to the head to secure. Therefore, even if the chin and the neck are moved, the chin and the neck can be fixed at a position that hardly moves, the fixing cord 3 is not pulled, and the fixing cord 3 can be attached to the head in a stable state.

The misalignment prevention mask 100 is in a state in which the hole 8a is hooked on the fixed string 3 by passing the fixed string 3 attached and fixed to the head through the hole 8a which is the string hooking portion 6, and the hole 8a is vertically moved. Can't move to. Therefore, the upper portion of the mask body 1 provided with the holes 8a can maintain the initial position without being displaced. The forward movement of the hole 8a hooked on the fixing cord 3 is pulled toward the attachment cord 2 when it tries to move forward (away from the face) and cannot move forward.

Since the mask body 1 of the misalignment prevention mask 100 is a pleat process that spreads in the vertical direction when the jaw moves up and down, the upper portion of the mask body 1 does not move up and down, and the lower portion of the mask body 1 moves up and down according to the jaw. You can Of course, when the chin returns to the top, the lower part of the mask body 1 is pulled by the wearing string 2 and returns to the original position at the time of wearing, and the mask body 1 is not displaced.

The fixed string 3 of the misalignment prevention mask 100 is preferably a small elastic band or a string that hardly expands and contracts. Since it can be tied so as not to be displaced from the attached head, it is not necessary to tighten it so as to cut into the skin. However, the fixing cord 3 can be firmly tied so that the knot tied to the head cannot be unraveled naturally, and it is necessary to expand and contract the cord so that the knot can be untied after use. Since the fixing cord 3 is attached inside the mask body 1 along the face, the dome shape of the mask body 1 is not crushed or further expanded.

If a highly elastic material such as rubber or polyurethane fiber is used for the fixing cord 3 of the slip prevention mask 100, the mask body 1 may be temporarily compressed by expanding or contracting the place hung on the nose or ear by expansion and contraction. It is not preferable because it may shift. The fixing string 3 does not need to have a tightening force that cuts into the skin, and may be attached to the head without being pressed. Specific examples of the material of the fixing cord 3 include cotton, hemp, silk, lyocell fiber, rayon fiber, cupra fiber, polynosic fiber, acetate fiber, triacetate fiber, promix fiber, nylon fiber, vinylon fiber, poly Examples thereof include vinyl chloride fiber, polyester fiber, acrylic fiber, polyethylene fiber and polypropylene fiber. The fixed string 3 may be a string formed by combining different kinds of strings, a string made of a composite yarn in which different kinds of fibers are mixed, or a string made of a non-woven fabric. However, depending on a string formed by combining different kinds of strings and a string made of a composite yarn in which different kinds of fibers are mixed, even a material such as polyurethane fiber having large expansion and contraction can be used as the fixed string 3 as long as expansion and contraction can be reduced. Good. The fixed string 3 may be a string having a small expansion and contraction or a string that hardly expands and contracts, and is not limited to these materials. The fixed string 3 of the shift prevention mask 100 is an example using a cotton flat string.

If the hole 8a which is the string hooking portion 6 of the shift prevention mask 100 has a hole size that has resistance when the fixing string 3 is passed through, it becomes difficult for the fixing string 3 to come off naturally before use and there is no gap between the hole and the airtightness. Enhance sex. Since the mask body 1 is a non-woven fabric that does not fray and has no directionality in strength or elongation, the hole size of the holes 8a does not increase even if it is used continuously. Further, if the hole 8a has a loose hole size through which the fixing cord 3 passes, as a measure for preventing the fixing cord 3 from coming off from the hole 8a which is the cord catching portion 6 before the attachment, the fixing cord 4 is attached to the fixing cord 3 which will be described later. Etc. should be provided. At the portion where the fixing cord 3 contacts the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the fixing cord 3 and the face. Never lowers. A plurality of holes 8a may be provided to allow the fixing cord 3 to pass through. Further, although not shown, in the modified example of the string hooking portion 6 using the holes 8a, when the mask body 1 is a laminated mask, holes are fixed in the inner filter near the upper edge side of the mask body 1 by fixing holes. A hole may be formed in the inner or outer filter at a tip through which the string 3 is passed and a portion between the filters is passed in the end direction, and the fixed string 3 may be brought out of the laminated mask through the hole. Further, although not shown, after passing the fixing cord 3 through the holes 8a of the left and right cord hook portions 6, one hole 8a is closed by stitching or welding to fix the fixing cord 3 to the cord hook portion 6. Good. In this case, the center position of the fixed cord 3 does not shift even if the mounting cord 2 on the side where the fixed cord 3 is fixed is hooked on the ear and the end of the other fixed cord 3 is handled with one hand.

As another modified example of the string hooking portion 6 of the misalignment prevention mask 100, as shown in FIG. 3( a ), a triangular mask main body is formed on both upper inside corners of the mask main body 1 according to the shape of the corners. A non-woven fabric piece 9 made of the same material as that of No. 1 is attached by welding 14a, and a fixed string 3 is inserted between the mask body 1 and the non-woven fabric piece 9 with a gap through which the cord passes. Further, as shown in FIG. 3( b ), the strip-shaped nonwoven fabric pieces 9 are looped at both upper inner corners of the mask main body 1 by welding 14 a, and the fixing string 3 is passed through the loops of the nonwoven fabric pieces 9. It was done. As another method of attaching the non-woven fabric piece 9 to the mask body 1, for example, suturing, double-sided adhesive tape, adhesive or the like can be considered. Further, as shown in FIG. 3C, a triangular cushion sheet material 27 is attached to both upper inside corners of the mask main body 1 in accordance with the shape of the corners by a double-sided adhesive tape of a double-sided adhesive body 28. A gap is provided between the mask body 1 and the cushion sheet material 27, and the fixing string 3 is passed through. A hole may be provided in the cushion sheet material 27 and the fixing cord 3 may be passed through the hole. The cushion sheet material 27 is thinner toward the side closer to the center of the mask body 1. The cushion sheet material 27 has flexibility and resilience, can fit between the face and the mask body 1, and can block dust. Examples of the material include polyethylene foam, urethane foam, natural rubber foam, and synthetic rubber foam. The cushion sheet material 27 is attached to a part of the upper edge of the mask body 1, but in order to prevent exhaled breath or dust from entering between the nose and the mask body 1, the nose of the mask body 1 is prevented. It is not attached to the upper edge of the periphery, but is attached to both upper corners of the mask main body 1 in order to stop the movement of the mask main body 1 when the upper two corners of the mask main body 1 are caught by the fixing string 3. is there. As another method for attaching the cushion sheet material 27 to the mask body 1, for example, suturing, welding, adhesive or the like can be considered. The non-woven fabric pieces 9 and the cushion sheet material 27 are attached to both upper corners, but the material and the shape are not limited as long as they can be attached to the mask body 1 and can be hooked on the fixing cord 3. Note that FIG. 3 is a description of the string hooking portion 6, and the drawing of the attached string 2 is omitted.

The pleated mask 90 includes a mask body 1 having pleats that can spread in the vertical direction, and attachment strings 2 on the left and right side edge portions of the mask body 1 so that the mask body 1 can be attached to a face. Anything will do. The mask body 1 may be a pleated mask body 1 that covers the mouth and nose, suppresses invasion of particles such as pollen and dust, and suppresses invasion or scattering of viruses, fungi, etc. There are non-woven fabrics that are easy to do, but the materials are not limited. This is an example in which a polypropylene non-woven mask is used for the mask body 1 of the shift prevention mask 100. The wearing strap 2 is preferably one that allows the pleated mask 90 to be worn on the face and does not cause pain by softly contacting the wearer's ear or head, and elastically stretchable ones such as polyurethane and polyester. There are materials such as nylon, but the materials are not limited. The attachment string 2 of the shift prevention mask 100 is an example using a combination string of polyester yarn and polyurethane yarn. By using the ordinary known pleat mask and having the string hooking portion 6 and the fixed string 3, even if the face moves, the string hooking portion 6 caught on the fixed string 3 does not move. The vertical displacement of the pleated mask 90 can be sufficiently prevented, and the displacement prevention mask 100 is obtained. As a method of attaching the attachment strings 2 to the left and right side edge portions of the mask body 1, for example, a known method such as suturing, welding, adhesive, or the like is used. As a modified example of the welding of the non-woven mask, a plurality of holes or gaps are provided at the end of the attachment string 2 to be joined to the mask body 1, and the non-woven fabric of the same material as the mask body 1 and the attachment string 2 of the mask body 1 There is also a method of covering the joint portion and welding the non-woven fabric and the mask body 1 so as to fill the holes or gaps in the attachment string 2 and connect them.

The slip-prevention mask 100 is not shown in the figure except the ear straps, but even if a string type such as a surgical mask that is tied to each of the back of the neck and the back of the head is used, the slip-prevention mask 100 is Even if the face moves, the string hooking part 6 hooked on the fixed string 3 does not move, so that the upper part of the mask body 1 does not move off.

As shown in FIG. 4(a), the left and right fixing cords 3 are passed through an industrial plastic or metal tube 30 as shown in FIG. One or both of the fixing cords 3 may be pulled to fix the fixing cords 3 to the tube 30. The tube 30 is preferably tight when the fixing cord 3 passes through. The cross section of the cylinder 30 may be polygonal other than circular. In addition, as shown in FIG. 4( b ), by hooking and fixing the left and right fixing cords 3 to the hooking stopper 31 made of industrial plastic or metal, the hooking stopper 31 is fixed from the side. 3 is provided with a notch 32a through which the notch 32a can be guided, and further the notch 32a is provided with notches 32b whose back sides are narrowed on the left and right, and the left and right fixing cords 3 are respectively passed through the notches 32b and hooked. The fixing string 3 is fixed. The wearing string 2 may be hooked on the left and right ends of the hooking stop 31 in addition to the ear hook, and the pleated mask 90 may be worn on the face. Further, although not shown, the fixing cord 3 may be fixed by using a cord stopper. The cord stopper is a cylindrical outer tube with a hole for passing a cord, an inner tube with a hole for passing a string that can be slidably attached to the outer tube, and an arrangement between the outer tube and the inner tube. A cord having elastic means such as a spring provided and passed through the holes of the outer cylinder and the inner cylinder is sandwiched between the outer cylinder and the inner cylinder and stopped by the elastic restoring force of the elastic means. .. The method of attaching and fixing the fixing cord 3 to the head is not limited to these attachment methods as long as the head can be attached without pressing the head, without slipping, and without coming off. Even if the fixing cord 3 that does not expand and contract is fixed to the head by using a fixture for attaching the fixing cord 3, such as the cylinder 30, the hooking stopper 31, or the cord stopper, the fixing cord 3 can be firmly attached to the head. 3 can be used from small stretchable to non-stretchable.

As a measure for preventing the fixing cord 3 of the shift prevention mask 100 from coming off from the cord hooking part 6 before mounting, as shown in the cord stopper 4 of FIG. Should be provided. Further, as shown in FIG. 5, as a modified example of the cord stopper 4, after the fixing cord 3 is passed through the cord hooking portion 6, two holes 8b are formed in the industrial plastic sheet 33 as the cord stopper 4. It may be provided and the fixing string 3 is passed through the two holes 8b.

The misplacement prevention mask 100 is provided with a nose piece 5 that can be bent according to the face such as aluminum or polyethylene resin and can maintain the bent state at the center of the upper edge portion of the mask body 1, and the upper nose and the mask body 1 It is better to increase the degree of adhesion.

The fixing cord 3 of the misalignment prevention mask 100 is provided with an aglet that is covered with plastic or metal at both ends of the fixing cord 3 so that it can be easily inserted into the hole 8a of the cord hooking portion 6, or if the fixing cord 3 is meltable, both ends are fixed. It may be melted and thinly solidified.

The slip prevention mask 100 is easy to put the hand from the end of the mounted mask body 1 into the gap between the mask body 1 and the face and hang the fixing cord 3 on the base of the nose. Instead, as a method of guiding the fixing cord 3 to the base under the nose, in FIG. 6, the guiding portion 10 is provided near the center of the mask body 1. As the guide portion 10, the thread 13 is hung or passed through the fixing string 3 inside the mask body 1, and is passed through the outside near the center of the mask body 1 to form a loop. As the guiding operation, the slip prevention mask 100 is attached to the face using the attachment string 2, and the both ends of the fixing string 3 are lightly held behind the head, and the thread 13 on the outside of the mask body 1 is picked, Guide the fixing cord 3 to the position of the base under the nose, and then tie the fixing cord 3 behind the head. (The thread 13 may be cut after the fixing string 3 is tied.) Although a cotton thread is used for the thread 13, a known thread may be used because it only guides the fixing string 3. Further, in FIG. 7, as a modified example of the guiding portion 10, when the fixing cord 3 and the mask body 1 can be welded, a part of the surface of the fixing cord 3 and the inside of the mask body 1 are used as the cord attaching portion 12. It is attached by welding 14b to such an extent that the surface near the center can be removed by pulling. As a guiding operation, the shift prevention mask 100 is attached to the face using the attachment string 2, and both ends of the fixing string 3 are lightly held behind the head, and the center of the outer side of the mask body 1 on the opposite surface of the welding 14b. , And guide the fixing cord 3 to the position of the base under the nose, lightly pulling the outside of the mask main body 1 to cut the welding 14b between the fixing cord 3 and the mask main body 1, and fix the fixing cord 3 behind the head. tie. In order to make it easier to pick the outside of the mask body 1, a non-woven fabric piece 9 of a size that can be picked by hand may be attached. The non-woven fabric piece 9 may be attached by welding using the same non-woven fabric as the mask body 1. It should be noted that FIGS. 6 and 7 are illustrations of the guide unit 10, and the drawing of the attachment cord 2 and the nosepiece 5 is omitted.

(Embodiment 2)
The shift prevention mask according to the second exemplary embodiment of the present invention has a front frame, which is the center portion of the fixing cord of the shift prevention mask according to the first exemplary embodiment of the present invention, and holds the center of the front frame. It was easy to guide to the position of the base under the nose. Hereinafter, the shift prevention mask according to the second exemplary embodiment of the present invention will be described in detail with reference to FIGS. 8 to 9.

FIG. 8 is a diagram in which a shift prevention mask according to the second embodiment of the present invention is mounted on a face, and FIG. 9 is an explanatory diagram of a modification example of a fixing cord and a front frame of the shift prevention mask according to the second embodiment of the present invention. is there. In the second embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 8, the misalignment prevention mask 200 according to the second embodiment is different from the misalignment prevention mask 100 according to the first embodiment in that the center portion of the fixing cord 3 is a front frame 15 of a rod having a substantially U shape. It is a thing. The front frame 15 of the rod is passed through the holes 8a which are the left and right string hook portions 6. Both ends of the front frame 15 of the rod reach to the front of the ear root above the ear, and the ends are fixed strings 3 attached to the left and right sides, respectively. By passing the front frame 15 of the rod through the hole 8a, the hole 8a is caught in the front frame 15 of the rod.

When the slip prevention mask 200 is worn on the face, the strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the center portion of the front frame 15 of the stick is attached to the base under the nose from above to below. The fixing cord 3 attached to the front frame 15 of the rod is passed over the ear roots on the left and right ears, is tied behind the head, and is attached to the head. There is no particular order of attaching the attachment cord 2 and the fixed cord 3 attached to the front frame 15.

The front frame 15 of the stick of the anti-misalignment mask 200 hangs the center from the bottom to the bottom of the nose, and the fixing string 3 attached to the front frame 15 of the stick is attached to the root of the ear above the left and right ears. Since it is tied at the back of the head and attached and fixed to the head in the state of hanging from the bottom, it is the same as the fixing string 3 of the shift prevention mask 100, and is fixed at a position that hardly moves even if the jaw and neck are moved. can do.

The misalignment prevention mask 200 is fixed in a state in which the hole 8a is hooked on the front frame 15 of the rod by passing the front frame 15 of the rod fixed to the head through the hole 8a, and the hole 8a moves up and down. I can't. Therefore, the upper portion of the mask main body 1 provided with the holes 8a can maintain the initial position without being displaced like the upper portion of the shift prevention mask 100. Further, since the mask body 1 is pleated, the lower part of the mask body 1 can move up and down in accordance with the chin like the lower part of the displacement prevention mask 100. The mask body 1 does not move back to the position of.

If the hole 8a that is the string hooking portion 6 of the misalignment prevention mask 200 has a hole size that has resistance when the front frame 15 of the rod is passed through, it becomes difficult for the front frame 15 of the rod to come off naturally before use and the hole 8a The gap is eliminated and the airtightness is improved. Further, if the hole 8a has a loose hole size through which the front frame 15 of the bar passes, as a measure for preventing the fixing cord 3 from coming off the hole 8a of the cord hooking portion 6 before mounting, the same string stopper as the shift prevention mask 100 is used. It is preferable to provide the section 4 and the like. At the portion where the front frame 15 of the stick comes into contact with the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the front frame 15 of the stick and the face. It does not reduce the closeness of the face.

The front frame 15 of the stick of the anti-misalignment mask 200 has both sides of the front frame 15 of the stick located on the side of the face, and can guide the center of the front frame 15 of the stick to the base of the nose. It is sufficient if the elastic force is such that there is no deflection or no significant deflection occurs. Specifically, for example, general industrial plastics are considered, and examples thereof include polyethylene resin, polypropylene resin, ABS resin, EVA resin, polystyrene resin, polyamide resin, nylon resin and the like. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like. A polypropylene resin rod was used for the front frame 15 of the rod of the shift prevention mask 200. Since the front frame 15 passes through the inside of the mask body 1 and is smaller than the cover portion of the mask body 1 and is attached along the face, the dome shape of the mask body 1 does not collapse or further swell.

For the fixing string 3 of the misalignment prevention mask 200, a small elastic string or a flat string of polypropylene fiber that hardly expands and contracts is used. At the connecting portion 19 of the front frame and the fixing string, the fixing string 3 and the front frame 15 of the rod are welded 14c. I installed it in. As another attachment method, although not shown, holes are provided at both ends of the front frame 15 through which the fixing cords 3 pass, and the fixing cords 3 are passed through the holes to tie the fixing cords 3 or the fixing cords 3 are wound around the holes. They may be sewn together, or the fixing string 3 may be wound around the hole and welded or adhered to each other to connect and attach them. Further, both ends of the front frame 15 and the fixing string 3 may be connected by an aglet made of plastic or metal. It suffices that the front frame 15 and the fixing cord 3 are securely attached, and the attachment method is not limited to these.

In addition, as shown in FIG. 9, as a modified example of the rod front frame 15 of the displacement prevention mask 200 according to the second embodiment, the fixing frame 3 is passed through the front frame 15 of the pipe, and the front frame 15 of the pipe is fixed. It is located in the center of the string 3, and the front frame 15 of the tube is hung from the bottom to the bottom of the nose, and both ends of the fixing string 3 are tied and fixed behind the head. Both ends of the front frame 15 of the pipe pass through the holes 8a of the string hook portion 6 and reach to the front of the ear root on the ear. The relationship between the fixed cord 3 and the front frame 15 of the pipe is not shown, except that the fixed cord 3 can move through the front frame 15 of the pipe, but the fixed cord 3 movable in the front frame 15 of the pipe. May be stopped by closing at the end of the front frame 15, or the fixing cord 3 may be attached to the end of the front frame 15 without passing the fixing cord 3 through the front frame 15 of the pipe. The front frame 15 of the tube can hold both sides of the front frame 15 of the tube located on the side of the face to guide the center of the front frame 15 of the tube to the root under the nose, without any flexure or flexure. It is sufficient if the elastic force is such that it does not occur significantly. Specifically, general industrial plastics and rubbers are conceivable, and examples thereof include tubes of polyethylene resin, nylon resin, polypropylene resin, polyvinyl chloride resin, silicone rubber, and the like. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like.

The front frame 15 of the rod or tube has left and right front frames 15 located on the sides of the face, and is a length that does not reach the hole 8a of the string hook portion 6 other than the method of guiding to the base under the nose. When the front frame 15 is used, it is possible to guide by holding the center of the front frame 15 from above the outside of the mask body 1.

(Embodiment 3)
The shift prevention mask according to the third exemplary embodiment of the present invention makes the fixing cord of the shift prevention mask according to the first exemplary embodiment of the present invention a fixed frame, thereby facilitating an operation of attaching the fixed frame to a face. .. The shift prevention mask according to the third embodiment of the present invention will be described in detail below with reference to FIGS. 10 to 13.

FIG. 10 is a diagram in which a shift prevention mask according to the third embodiment of the present invention is attached to a face, FIG. 11 is a diagram in which a modification example of the shift prevention mask according to the third embodiment of the present invention is attached to a face, and FIG. FIG. 13 is a diagram in which a variation example of the misregistration prevention mask according to the third embodiment of the present invention is attached to a face, and FIG. 13 is a diagram in which a variation example of the misregistration prevention mask according to the third embodiment of the present invention is attached to a face. In the third embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 10, the shift prevention mask 300 according to the third embodiment is different from the shift prevention mask 100 according to the first embodiment in that the fixing string 3 is replaced by a substantially U-shaped rod or tube (the rod is hollow and lightweight. The fixed frame 17 (which has been made into a material) is used. At both ends of the fixed frame 17, curved ear hooks 18 that can be worn on the ears are provided. The fixed frame 17 passes through the inside of the mask body 1 and passes through the holes 8a which are the left and right string hook portions 6 of the mask body 1 and is exposed to the outside of the mask body 1. By passing the fixed frame 17 through the hole 8a, the hole 8a is caught in the fixed frame 17.

When the slip prevention mask 300 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, the central portion of the fixed frame 17 is hung on the back of the nose , and the fixed frame 17 is hung on the ear. Mount the part 18 on the left and right ears. There is no particular order of attaching the attachment string 2 and the fixed frame 17.

The fixed frame 17 of the shift prevention mask 300 is attached to the head by hanging the central portion on the back of the nose and the ear hooking portion 18 on the ears. Therefore, even if the chin and the neck are moved, the chin and the neck can be attached to a position that hardly moves. The fixed frame 17 may be brought into contact with the side of the face and lightly clamp the face due to its elastic characteristics, so that the mounting stability is further increased. Since the fixed frame 17 that passes inside the mask body 1 is smaller than the covering portion of the mask body 1 and passes near the contour of the face, the dome shape of the mask body 1 does not collapse or swell. The fixed frame 17 is slightly bent downward in a portion passing near the left and right cheekbones, so that the fixed frame 17 is separated from the upper edge portion of the mask body 1 so that no gap is formed between the upper edge portion of the mask body 1 and the face. .

The slip prevention mask 300 is fixed in a state in which the hole 8a is caught in the fixed frame 17 by passing the fixed frame 17 that is stably attached to the head through the hole 8a, and the hole 8a moves downward. I can't. Therefore, the upper portion of the mask body 1 provided with the holes 8a can be maintained at the initial position without being displaced downward. Further, since the mask body 1 is pleated, the lower part of the mask body 1 can move up and down in accordance with the chin like the lower part of the displacement prevention mask 100. The mask body 1 does not move back to the position of.

If the hole 8a that is the string hooking portion 6 of the shift prevention mask 300 has a hole size that allows resistance when the fixed frame 17 is passed through, it becomes difficult for the fixed frame 17 to come off naturally before use, and there is no gap between the hole and the airtightness. Enhance sex. At the portion where the fixed frame 17 contacts the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the fixed frame 17 and the face. There is no lowering.

The fixed frame 17 has both sides of the fixed frame 17 located on the side of the face, and can guide the center of the fixed frame 17 to the back of the nose. Elastic force for no bending or large bending is generated. Then, it is enough if there is elastic force to lightly clamp the face. Specifically, for example, general industrial plastics are considered, and examples thereof include polyethylene resin, polypropylene resin, ABS resin, EVA resin, polystyrene resin, polyamide resin, nylon resin, and acetate resin. Further, a metal such as aluminum or iron can be used. The metal may be a resin coated. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like. The fixed frame 17 may be provided with a nose pad in the central portion that contacts the back of the nose so that the nose pad is stable when it is hung on the nose.

As shown in FIG. 11, in the shift prevention mask 301 according to the third embodiment, the fixed frame 17 passes through the outside of the mask main body 1 to the left and right of the mask main body 1 with respect to the shift prevention mask 300 according to the third embodiment. It is one that is exposed inside the mask main body 1 through the hole 8a of the string hook portion 6. By passing the fixed frame 17 through the hole 8a, the hole 8a is caught in the fixed frame 17.

When the shift prevention mask 301 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the central portion of the fixed frame 17 is hung on the back of the nose from the outside of the mask body 1. The ear hooks 18 of the fixed frame 17 are hooked and attached to the left and right ears.

The fixed frame 17 of the shift prevention mask 301, like the fixed frame 17 of the shift prevention mask 300, can be attached at a position where the jaw and the neck are hardly moved even if they are moved. Further, the fixed frame 17 of the shift prevention mask 301 comes into contact with the mask body 1 at the position of the side portion of the face and lightly clamps the face due to its elastic characteristics. Since the fixed frame 17 that passes through the outside of the mask main body 1 is the fixed frame 17 that passes through the upper portion of the mask main body 1 without passing through the bulging position in the central portion of the mask main body 1, the dome shape of the mask main body 1 should be almost crushed. There is no.

Since the shift prevention mask 301 is fixed in the same manner as the shift prevention mask 300 with the hole 8a hooked on the fixed frame 17, the mask body 1 maintains the initial position and does not shift.

The misalignment prevention mask 301 has a state in which the mask body 1 is lightly sandwiched between the fixed frame 17 and the face at the portion where the fixed frame 17 contacts the outside of the mask body 1 before passing through the hole 8a. It does not reduce the degree of adhesion between 1 and the face.

A non-woven fabric piece 9 shown in FIG. 3A is provided on the string hooking portion 6 of the misalignment prevention mask 301 at both upper outer corners of the mask body 1, and a fixed frame is provided between the mask body 1 and the non-woven fabric piece 9. You may go through 17.

The shift prevention mask 302 according to the third embodiment is a modification of the string hooking portion 6 of the shift prevention mask 301 according to the third embodiment, as shown in FIG. 12. Instead of the hole 8a of the string hooking portion 6, a hook 26 made of industrial plastic or metal is provided near the upper edge side corner of the mask body 1 and attached so as to be hooked on the fixed frame 17. Is.

When the shift prevention mask 302 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the central portion of the fixed frame 17 is hung from the outside of the mask body 1 on the back of the nose. The ear hooks 18 of the fixed frame 17 are hooked and attached to the left and right ears. The hook 26 may be hung on the fixed frame 17 after the fixed frame 17 is attached to the face without being hung on the fixed frame 17 from the beginning. In the example of FIG. 12, the hook 26 is made of the same polypropylene resin as the mask body 1, and the hook 26 is attached to the mask body 1 by welding 14d. Since the hook 26 of the string hook portion 6 is hooked on the fixed frame 17, the shift prevention mask 302 does not shift.

Further, as shown in FIG. 13, the shift prevention mask 303 according to the third embodiment is a modification of the fixing frame 17 and the string hook portion 6 of the shift prevention mask 301 according to the third embodiment, and the shift prevention mask 301 is fixed. A frame of commercially available glasses 40 is used in place of the frame 17, and the string hooking portion 6 is attached to one side of the through band 24 made of non-woven fabric near one of the corners on the outer upper edge side of the mask main body 1 so as to be bonded with a fastener. A pair of double-sided fasteners 25 capable of performing the above are provided, and the other surface of the through band 24 and the surface of the mask body 1 are attached by welding 14e. When the slip prevention mask 303 is to be worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1, and the glasses 40 hang the bridge 41 on the nose root and the modern 43 on the ears and thread it. The belt 24 sandwiches the temples 42 of the glasses 40, and in the sandwiched state, the double-sided fasteners 25 are used to bond the temples 42 together. In the example of FIG. 13, the same non-woven polypropylene fabric as that of the mask body 1 is used for the through band 24. Since the through band 24 of the string hooking portion 6 is hooked on the temple 42, the shift prevention mask 303 does not shift. The one in which the center of the fixed frame 17 is hooked on the root of the nose and the fixed frame 17 is passed through the outside of the mask body 1 has the same function as the glasses 40 of the shift prevention mask 303.

(Embodiment 4)
The shift prevention mask according to the fourth exemplary embodiment of the present invention includes a hook portion at a central portion of the mask main body of the shift prevention mask according to the first exemplary embodiment of the present invention. It can be picked from the outside of the body and guided to the attachment position of the nasal tip or nostril. Hereinafter, the shift prevention mask according to the fourth embodiment of the present invention will be described in detail with reference to FIGS. 14 to 15.

FIG. 14 is a perspective view of the misregistration prevention mask according to the fourth embodiment of the present invention seen from the side in contact with the face, and FIG. 15 is a modification of the misregistration prevention mask according to the fourth embodiment of the present invention from the side in contact with the face. It is the perspective view seen. In the fourth embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 14, the misregistration prevention mask 400 according to the fourth embodiment is different from the misregistration mask 100 according to the first embodiment in that the ring 21 that is the hooking portion 20 is provided in the central portion of the mask body 1 from the upper inner edge. Installed. The ring 21 was attached by sandwiching an attachment piece 23 made of the same nonwoven fabric as the mask body 1 above the ring 21 and attaching the attachment piece 23 and the mask body 1 by welding 14f. The both sides of the ring 21 were attached by cutting the center of the fixing cord 3 and winding the fixing cord 3 to the left and right, suturing. The ring 21 is an annular shape that fits on the nose tip and can be hooked under the nose tip. The ring 21 should be bent according to the shape around the nose tip so that the ring 21 can be further hooked on the nose tip. preferable. Examples of the ring 21 include polyethylene resin and polypropylene resin. Further, a metal is considered, and examples thereof include aluminum. It is not limited to these materials as long as it can be hooked under the tip of the nose.

As another method of attaching the ring 21 to the mask body 1, although not shown, for example, when the ring 21 and the mask body 1 can be welded, direct welding is performed. It is conceivable that the attachment piece 23 is wound around and the attachment piece 23 and the mask body 1 are sewn together. As another method of attaching the fixing cord 3 to the hooking portion 20, although not shown, for example, when the ring 21 and the fixing cord 3 can be welded, direct welding is performed, and when only the fixing cord 3 can be welded, the ring 21 is attached. The fixing string 3 may be wound and welded, and the fixing string 3 may be wound on the ring 21 and bonded with an adhesive.

When the slip prevention mask 400 is attached to the face, the attachment string 2 is hung on each of the left and right ears to attach the mask main body 1 to the face, and the ring 21 of the hooking portion 20 is passed through the nasal tip and bent according to the nasal tip. Fit. The fixing string 3 attached to the ring 21 passes over the ear roots on the left and right ears, is tied behind the head, and is attached to the head. There is no particular order of attachment of the attachment cord 2 and the fixed cord 3 attached to the ring 21.

The ring 21 of the misalignment prevention mask 400 hooks the ring 21 from the bottom to the top of the nose, and the fixing string 3 attached to the ring 21 hangs from the top to the bottom of the ear root on the left and right ears. Since it is tied at the back of the section and attached and fixed to the head, it can be stably attached to a position where it hardly moves, like the fixing string 3 of the shift prevention mask 100. Therefore, the mask main body 1 can maintain the position at the time of initial mounting, and the mask main body 1 does not shift. Further, the mask body 1 will not be displaced even if the mounting piece 23 is not provided.

Since the fixing cord 3 of the shift prevention mask 400 is attached along the face through the hooking portion 20, the dome shape of the mask body 1 does not collapse or swell.

The deviation prevention mask 401 according to the fourth embodiment is a modification of the hook portion 20 of the deviation prevention mask 400 according to the fourth embodiment, and as shown in FIG. Is. The hook catching tool 22 is provided with a hook that can be hooked on the nostril in a rectangular frame that passes through the tip of the nose, and is hooked under the nose. The hook catching tool 22 was attached by sandwiching a mounting piece 23 made of the same nonwoven fabric as the mask main body 1 on the upper part of the hook catching tool 22, and attaching the mounting piece 23 and the mask main body 1 by welding 14f. Both sides of the hook hooking device 22 were attached by cutting the center of the fixing cord 3 and winding the fixing cord 3 to the left and right, and sewing. As the hook catching tool 22, for example, a general industrial plastic is considered, and a polyethylene resin, a polypropylene resin, an ABS resin, an EVA resin, a polystyrene resin, an acetate resin, etc. may be mentioned. The material is not limited to these materials, as long as the shape can be retained on the nostril.

As another method of attaching the hook catching tool 22 to the mask body 1, a method similar to that of the shift prevention mask 400 according to the fourth embodiment can be considered.

When the slip prevention mask 401 is attached to the face, the attachment string 2 is hung on each of the left and right ears to attach the mask main body 1 to the face, and the hook of the hook hooking device 22 of the hooking portion 20 is hooked on the nostril. The fixing string 3 attached to the hook 22 passes over the ear roots on the left and right ears, and the fixing string 3 is tied behind the head and attached to the head. There is no particular order of installation.

The hook catching tool 22 of the misalignment prevention mask 401 hooks the hook catching tool 22 under the nose from the bottom to the top, and the fixing cord 3 attached to the hook catching tool 22 moves from the top to the bottom of the ear on the left and right ears. In the hung state, since it is tied behind the head and attached and fixed to the head, like the fixing string 3 of the shift prevention mask 100, it can be attached in a stable state at a position where it hardly moves. Therefore, the mask main body 1 can maintain the position at the time of initial mounting, and the mask main body 1 does not shift.

1 Mask Main Body 2 Attachment String 3 Fixed String 4 String Stop 5 Nose Piece 6 String Hook 7 Face 8a Hole 8b Hole 9 Nonwoven Fabric Piece 10 Guidance 12 String Attachment 13 Thread 14a Welding 14b Welding 14c Welding 14d Welding 14e Welding 14f Welding 15 Front frame 17 Fixed frame 18 Ear hooking part 19 Connecting part between front frame and fixing cord 20 Hooking part 21 Ring 22 Hook hooking tool 23 Mounting piece 24 Through band 25 Double-sided fastener 26 Hook 27 Cushion sheet material 28 Double-sided adhesive body 30 Cylinder 31 Hook Stopper 32a Notch 32b Notch 33 Sheet 40 Glasses 41 Bridge 42 Temple 43 Modern 90 Pleated Mask 100 Misalignment Mask 200 Misalignment Mask 300 Misalignment Mask 301 Misalignment Mask 302 Misalignment Mask 303 Misalignment Mask 400 Deviation prevention mask 401 Deviation prevention mask

The present invention relates to a mask that does not shift even when it is attached to a face and used.

As a mask to be worn on the face, a mask which is hard to be displaced has been proposed, and the outline is as follows.
As shown in Patent Document 1, a string attached to the upper and lower ends of the side end of the mask is provided on both sides, one string is hung on the back of the head between the middle part and the upper end, and is attached to the neck part between the middle part and the lower end. The middle part of the strap is hooked to a hook member for hooking the strap on the opposite side of the mask. Similarly, the other string is also hung on the back of the head, hung on the neck, and hooked on the hooking member. The two strings are in a state in which the occipital region and the neck region are crossing each other.
This proposal does not make it easy to adjust the balance between the length of the upper and lower strings on the back of the head and neck and the tensile strength, and there is a problem that the mask will shift if used in an insufficiently adjusted state. It was

JP, 2016-49155, A

This had the following drawbacks.
In the conventional invention of Patent Document 1, a mask for attaching the mask to the face is divided from the middle part of the string to the upper end side and the lower end side and hung on the back of the head and the neck to fix the mask. In the middle part of the string, the string is hooked on a slidable hook member, but it is possible to automatically and optimally adjust the balance between the length and the pulling force on the upper and lower ends of one string. It was not possible to adjust the balance of the strings because it was not possible to do so, and there was no choice but to judge the balance based on the feeling of hooking the strings and then hook the strings. Further, in order to make it difficult for the mask to shift, if the pulling force of the upper and lower ends of the cord is increased, discomfort due to tightening increases. Further, if the pulling force on the upper end side of the cord is weak, the cord applied to the back of the head tends to be displaced, which causes the mask to be displaced.
According to the configuration of the invention of Patent Document 1, the upper end side and the lower end side of one string are hooked and supported by the hooking member in the middle portion, and at the same time, the hooking member on the opposite side is hooked near the hooking member. Since the pulling force of the three directions is concentrated at one point in the hooking member, the left and right hooking members or the vicinity of the hooking member are pulled at the upper end of the mask, and the mask is attached. Even if the nose piece is installed at the upper end of the nosepiece and the gap between the upper part of the nose and the mask is eliminated to prevent the glasses from becoming fogged, the bent part of the nosepiece will be It stretched out and created a gap, reducing the degree of adhesion, and the humidification of the mouth caused the leaked glasses to become cloudy.

The present invention which solves the above-mentioned subject has the following composition.
In addition, the "root under the nose" referred to in the present application means a concave portion between the nose and the upper lip. “Ear root above ear” means the recess between the ear and the head above the ear. "Inside the mask body" means the side of the mask body that contacts the face. "Outside the mask body" means the side of the mask body that is not in contact with the face.

The shift prevention mask according to claim 1 is mounted on the left and right side edge portions of the mask body so that the mask body is formed with pleats capable of expanding in the vertical direction and the mask body can be mounted on the face. In a pleated mask provided with a string, a fixed string that passes through the inside of the mask body, and a string hook portion that is hooked to the fixed string near the upper and lower corners of the mask body, and the left and right strings are fixed to the fixed string. It is characterized in that the hook portion is hooked.
In the invention of the above-mentioned configuration, the fixing cord is an ear root on the left ear, a string hook on the left side of the mask body, a root under the nose, a string hook on the right side of the mask body, on the right ear. Pass through each ear root and tie it behind the head to attach and fix it to the head. The order in which the fixing string passes may be reversed. Another example of attaching and fixing the fixing cord behind the head will be described in an embodiment described later. Wear the straps on your left and right ears and wear the mask body on your face.
The position of fixing the fixing cord of the invention of claim 1 to the head is such that it is hardly moved even when the jaw or neck is moved, and furthermore, it is hung from the bottom to the bottom of the nose. Since it is in a state of being hung from above to the root of the ear above the ear, almost no movement can be maintained. Even if the chin moves greatly due to sneezing, yawning, coughing, talking, etc., it does not affect the displacement. Further, the fixing cord does not slip or slip even if there is sebum or sweat. The fixing string fixed to the head does not move easily even if it is moved up and down by hand.
Since the left and right cord hook portions of the invention according to claim 1 are hooked on the fixed cord that does not move when attached to the head, the upper side of the cord hook portion of the pleated mask body moves downward. I can't. Therefore, even if the chin or neck is moved, the upper portion of the mask main body can maintain the position at the time of wearing the mask attached to the face.
When a commercially available mask is worn on the face and sneezes, yawns, talks, etc., the mask body is pulled by the movement of the jaw and is displaced. However, in the invention according to claim 1, the fixing cord is a hooking portion of the cord. Since it is fixed so that it does not move downward, the upper part of the mask body does not move downward, and the lower part of the mask body moves up and down according to the chin by pleating, but if you close the mouth, the wearing string will Pull the lower part of the mask body back to its original position.
The pulling force of the straps of commercially available masks has been such that the mask body attached does not fall off from the face, but the strap of the invention of claim 1 mainly pulls the mask body away from the face and separates it. The fixed string and the string hook part mainly serve to prevent the mask body from being displaced. Therefore, the pulling force for preventing the attachment string from being displaced is not required, and thus the pulling force can be weakened correspondingly, and the pain when worn on the ear can be reduced. The fixing string can be tied firmly so that the knot tied behind the head does not come loose naturally, and it is sufficient if the knot can be untied after use if there is expansion or contraction of the knot. Since it is a string that is difficult to attach, it is attached to the head without pressing it, so there is no need to pull it into the skin.
Since the fixing cord of the invention according to claim 1 is attached along the face on the inner side where the mask body is attached, the tightness between the mask body and the face is not lowered. Further, the dome shape of the mask main body does not crush or further swell, and the original swelling can be maintained, and the feeling of pressure due to the wearing of the invention according to claim 1 is not felt.

A shift prevention mask according to a second aspect of the present invention is characterized in that, in the first aspect of the invention, the center portion of the fixing cord is a front frame made of a substantially U-shaped rod or tube.
In addition to the same operation as the invention according to claim 1, the invention according to claim 2 having the above-mentioned configuration uses the front frame in a state in which the front frame is hung at the position of the base under the nose. , It became easier to guide by holding both sides of the front frame located on the side of the face.
Since the front frame passing through the inside of the mask main body of the invention according to claim 2 is a front frame that is smaller than the covering portion of the mask main body and follows the contour of the face, it is possible to reduce the degree of adhesion between the mask main body and the face. Absent. Further, the dome-shaped bulge of the mask main body can be maintained, and the feeling of pressure due to the wearing of the invention of claim 2 is not felt.

In the invention according to claim 3, the shift prevention mask according to claim 3 is provided with a fixing frame, which is a substantially U-shaped rod or tube passing inside or outside the mask body, instead of the fixing cord. It is characterized in that both ends of the fixed frame are provided with ear hooks for hanging on the ears, and the left and right string hooks are hooked on the fixed frame.
According to the third aspect of the present invention having the above-described structure, in addition to the same operation as the first aspect of the invention, the fixing frame through which the inside of the mask body is passed passes through the back of the nose or the base of the nose and passes through the outside of the mask body. The fixed frame passes through the back of the nose and hangs the left and right ear hooks on the ears to attach to the face. The fixed frame has both sides of the fixed frame located on the side of the face, and it is easy to guide the center of the fixed frame to the position of the back of the nose or the base of the bottom of the nose. Is.
Since the fixing frame of the invention according to claim 3 hangs the center part on the back of the nose or the base of the bottom of the nose and hangs the ear hooks on the ears to fix the sneeze, yawn, cough, conversation, etc. Even if the chin moves, it has little effect and does not move downward.
Since the left and right string hooks of the invention of claim 3 are hooked on the fixed frame between the nose and the ear, the upper side of the string hook of the pleated mask body can move downward. Can not. Therefore, the upper portion of the mask main body can maintain the position at the time of initial attachment to the face. The lower part of the mask body moves up and down according to the chin by pleating, but when the mouth is closed, the attachment string pulls the lower part of the mask body and returns to the original position.
The pulling force of the wearing cord of a commercially available mask does not cause the wearing mask body to come off from the face, but the wearing cord of the invention of claim 3 mainly pulls the mask body to the face to separate it. The fixed frame and the string hook part mainly serve to prevent the mask body from being displaced. Therefore, the pulling force for preventing the attachment string from being displaced is not required, and thus the pulling force can be weakened correspondingly, and the pain when worn on the ear can be reduced. Since the fixed frame is attached by hanging the central part on the back of the nose or the base of the bottom of the nose and the ear hooks on the ears , it does not bite into the skin and feel pain.
The fixed frame that passes through the inside of the mask body is smaller than the cover of the mask body and passes near the contour of the face, so the dome shape of the mask body does not collapse or expand further and the original bulge can be maintained. it can. Further, since the fixed frame that passes outside the mask body does not pass through the bulging position in the central portion of the mask body but through the upper portion of the mask body, the dome shape of the mask body hardly crushes and maintains the original bulge. be able to. Therefore, the degree of adhesion between the mask body and the face is not reduced. Further, no feeling of pressure is felt by the wearing of the invention according to claim 3.

According to a fourth aspect of the invention, in the shift prevention mask according to the first aspect of the invention, the mask main body has a hook portion at a central portion from an inner upper edge, and the hook portion attaches the mask main body to a face. In doing so, the mask body is hooked near the tip of the nose so that the mask body does not shift upward, and the center of the fixing cord is attached to the hooking portion.
According to the invention described in claim 4 of the above-mentioned configuration, in addition to the same operation as the invention described in claim 1, the fixing cord includes the ear root on the left ear, the cord hooking portion on the left side of the mask body, and the hooking portion. , Pass through the hook on the right side of the mask body and the ear root on the right ear, and tie it behind the head and fix it to the head. The order of passing may be reversed.
The hooking portion of the invention according to claim 4 is hooked near the tip of the nose, and the fixing cord attached to the hooking portion is fixed to the head.
The position for fixing the fixing cord of the invention according to claim 4 to the head is such that it is almost fixed even if the jaw or the neck is moved, and the hook portion is hooked upward near the tip of the nose. , It is in a state of hanging from the top to the bottom of the ears above the ears, so it is possible to maintain almost no movement. Therefore, sneezing, yawning, coughing, talking, etc., will not affect the displacement even if the chin moves greatly. Further, the fixing cord does not slip or slip even if there is sebum or sweat.
According to the invention of claim 4, since the fixing string fixes the string hook portion so as not to move downward, the upper part of the mask body does not move downward, and the lower part of the mask body is chined by pleating. It goes up and down according to, but when the mouth is closed, the attachment string pulls the lower part of the mask body and returns to the original position.
According to the fourth aspect of the present invention, by providing the hook portion at the center of the mask body, the hook portion can be guided from the outside of the mask body to the attachment position of the nose tip or the nostril.
Since the fixing cord of the invention according to claim 4 is attached along the face by passing through the hooking portion hooked on the nose tip or the nostril, the dome shape of the mask body does not crush or further swell, and the original bulge. It can be maintained, to feel tightness due to the mounting of the invention of claim 4, wherein the not Na.

A shift prevention mask according to a fifth aspect of the present invention is characterized in that, in the invention according to any one of the first, second or fourth aspects, an attachment tool is provided for attaching and fixing the fixing cord to the head. And
According to the invention of claim 5 having the above-mentioned configuration, in addition to the same operation as the invention described in claim 1, 2 or 4, by using a fixture, the head is attached to the head without tying a fixing cord. It is easy to mount and fix.
The present invention has the above configuration.

According to the invention described in claim 1, even when the user wears it for a long time and becomes slippery due to sebum and sweat, and even when the chin is greatly moved for sneezing, yawning, talking, etc., the fixing cord is the upper part of the mask body. The bottom of the mask body moves up and down according to the chin by the pleats structure and the pulling of the wearing string, and it returns to its original state when the mouth is closed. I was able to maintain my position. Therefore, the movement of the mask body does not feel uncomfortable, and the work can be continued without lowering the concentration.
Further, since the fixed cord and the mounting cord of the invention according to claim 1 are separate cords, one cord is divided into an upper end and a lower end as in the invention of Patent Document 1, and the length and the pulling force of the upper and lower cords. Since there is no need to adjust the balance, the mask body does not shift and the discomfort due to the strength of tightening the string is not felt.
The cord hooking portion of the invention according to claim 1 can move on the fixing cord because it is only hooked on the fixing cord, and the upper end portion of the mask main body is not pulled left and right. Since it does not extend to the left and right to form a gap, humidification at the mouth does not leak from the upper end of the mask body and cloud the glasses.
Since the fixing cord of the invention according to claim 1 can prevent the mask body from being displaced, the attaching cord does not need a tensile force for preventing the displacement, so that the tensile force of the attaching cord is weakened accordingly. It is possible to reduce the pain when the wearing cord is hooked on the ear. Even if the fixing string is attached to the head, it does not bite into the skin due to the pulling force, so that the pain due to it does not feel.
The use of the invention of claim 1 is, for example, in a workplace or medical facility handling food, and when the invention of claim 1 is worn and the displacement of the mask body is eliminated, the mask body is inadvertently fixed to correct the displacement. I couldn't touch it and I could improve hygiene. Further, when the invention of claim 1 is used for a patient infected with a virus or a bacterium, when the mask body is not misaligned, the discomfort due to the misalignment disappears, and the chance of contact infection by touching the mask body is reduced. , Viruses and bacteria attached to the mask body will be less likely to spread through your hands.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, by holding both sides of the front frame located on the side of the face, the center of the front frame can be guided to the position of the base under the nose. It became easier.

According to the third aspect of the present invention, it is possible to prevent the mask main body from being displaced downward due to the string hooking portion being hooked on the fixed frame attached to the face.
According to the third aspect of the present invention, it is easy to guide the center of the fixed frame to the position of the back of the nose or the base of the bottom of the nose by holding both sides of the fixed frame located on the side of the face. It became easy.

According to the invention of claim 4, in addition to the effect of the invention of claim 1, a hooking portion is provided in the center of the mask body, so that the hooking portion is held from the outside of the mask body, and It can be guided to the attachment position of the nostril.

According to the invention of claim 5, in addition to the effect of the invention of claim 1, 2 or 4, fine adjustment of the tightening force when the fixing cord is attached to the head by using the attachment tool. Became easier. Further, even if the fixing cord is hard to tie, the fixing cord can be easily attached and fixed to the head, and the tying force for tying the fixing cord may be small.

It is the perspective view which looked at the shift prevention mask which concerns on Embodiment 1 of this invention from the side which contacts a face. It is the figure which attached the shift prevention mask of FIG. 1 to the face. It is explanatory drawing of the modification of the string hook part of the shift prevention mask which concerns on Embodiment 1 of this invention. It is explanatory drawing of the attachment tool which fixes the fixed string of the shift prevention mask which concerns on Embodiment 1 of this invention . It is explanatory drawing of the modification of the string stop part of the shift prevention mask which concerns on Embodiment 1 of this invention. FIG. 5 is an explanatory view seen from the bottom to the top when the guide portion is provided in the shift prevention mask according to the first embodiment of the present invention. It is explanatory drawing which looked at the modification of the guide|guide part of the shift prevention mask which concerns on Embodiment 1 of this invention from the bottom to the top. It is the figure which attached the shift prevention mask which concerns on Embodiment 2 of this invention to the face. It is explanatory drawing of the modification of the fixed string and front frame of the shift prevention mask which concerns on Embodiment 2 of this invention. It is the figure which attached the shift prevention mask which concerns on Embodiment 3 of this invention to the face. It is the figure which attached the modification example of the gap prevention mask which concerns on Embodiment 3 of this invention to the face. It is the figure which attached the modification example of the gap prevention mask which concerns on Embodiment 3 of this invention to the face. It is explanatory drawing of the fixed frame of the shift prevention mask which concerns on Embodiment 3 of this invention. It is the perspective view which looked at the shift prevention mask which concerns on Embodiment 4 of this invention from the side which contacts a face. It is the perspective view seen from the side which contacts the face of the modification of the gap prevention mask concerning Embodiment 4 of the present invention.

Next, a shift prevention mask according to an embodiment of the present invention will be described with reference to the drawings. The embodiments described below are examples for explaining the present invention, and the present invention is not limited only to these embodiments.

(Embodiment 1)
Hereinafter, the shift prevention mask according to the first embodiment of the present invention will be described in detail with reference to FIGS. 1 to 7.

1 is a perspective view of a misalignment prevention mask according to a first embodiment of the present invention as seen from the side in contact with the face, FIG. 2 is a view in which the misregistration prevention mask of FIG. 1 is attached to the face, and FIG. Explanatory drawing of the modification of the string hook part of the shift prevention mask which concerns on Embodiment 1, FIG. 4 is explanatory drawing of the fixture which fixes the fixed string of the shift prevention mask which concerns on Embodiment 1 of this invention , FIG. 5: FIG. 6 is an explanatory view of a modified example of the cord stopper portion of the misalignment prevention mask according to the first embodiment of the present invention, and FIG. 6 is a view from the bottom to the top when the guide part is provided in the misplacement prevention mask according to the first embodiment of the present invention. 7 is an explanatory view of a modification of the guide portion of the displacement prevention mask according to the first embodiment of the present invention viewed from the bottom to the top.

As shown in FIG. 1, the misalignment prevention mask 100 according to the first embodiment has a non-woven fabric mask body 1 formed with pleats capable of expanding vertically in the vicinity of the center in the left-right direction. As can be seen, in the pleated mask 90 having the wearing cords 2 that can be worn on the left and right side edge portions of the mask body 1, the fixing cord 3 that passes through the inside of the mask body 1 and the right and left sides of the upper edge side of the mask body 1 are provided. Holes 8a are provided near the corners as the string hooks 6 through which the fixing cord 3 is passed, and the fixing cord 3 is passed through the left and right holes 8a. By passing the fixing cord 3 through the hole 8a, the hole 8a is caught in the fixing cord 3.

When the slip-prevention mask 100 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the fixing strap 3 has a central portion at the base under the nose from bottom to top. Hang it, pass it over the root of the ear on the left and right ears, tie it behind the head, and attach it to the head. There is no particular order of attaching the attachment string 2 and the fixed string 3.

As shown in FIG. 2, the fixing cord 3 of the misalignment prevention mask 100 is hung from the bottom of the nose to the top and from the top of the left and right ears to the bottom of the head. Tie at the back and attach to the head to secure. Therefore, even if the jaw or the neck is moved, it can be fixed at a position where it hardly moves, the fixing cord 3 is not pulled, and it can be attached to the head in a stable state.

The misalignment prevention mask 100 is in a state in which the hole 8a is hooked on the fixed string 3 by passing the fixed string 3 attached and fixed to the head through the hole 8a which is the string hooking portion 6, and the hole 8a is vertically moved. Can't move to. Therefore, the upper portion of the mask body 1 provided with the holes 8a can maintain the initial position without being displaced. The forward movement of the hole 8a hooked on the fixing cord 3 is pulled toward the attachment cord 2 when it tries to move forward (away from the face) and cannot move forward.

Since the mask body 1 of the misalignment prevention mask 100 is a pleat process that spreads vertically when the jaw moves up and down, the upper portion of the mask body 1 does not move up and down, and the lower portion of the mask body 1 moves up and down according to the jaw. You can Of course, when the chin returns to the top, the lower part of the mask body 1 is pulled by the wearing cord 2 and returns to the original position at the time of wearing, and the mask body 1 is not displaced.

The fixed string 3 of the misalignment prevention mask 100 may be a known string ranging from a small elastic string to a hardly elastic string. The fixing string 3 can be tied so that a knot (such as a bowknot) that has been tied cannot be unraveled naturally, and the cord must be expanded and contracted to such an extent that the knot can be easily untied after use. The fixing cord 3 fixed to the head is located in a state in which it is hung from below to the base of the nose and from above in the ears above the left and right ears. Even if it is loosely attached to the head, the fixing string 3 will not be displaced or come off from the head unless the knot is untied. Since the fixing cord 3 is attached inside the mask body 1 along the face, the dome shape of the mask body 1 is not crushed or further expanded.

If the strap 3 of the slip prevention mask 100 is made of rubber or polyurethane fiber as the core material of the strap and has a property of large expansion and contraction, it strongly presses the place where the strap 3 passes through the nose or ear, or touches the skin. It is not so preferable that the mask main body 1 is displaced due to biting or stretching of the fixing cord 3. The elongation rate of the fixing cord 3 measured by the method described later is preferably 20% or less, more preferably 14% or less. Fixing straps 3, such strangled force dig into the skin is not required and mounting Rukoto Preferably the head without compression. Specific examples of the material of the fixing cord 3 include Japanese paper, cotton, linen, silk, lyocell fiber, rayon fiber, cupra fiber, polynosic fiber, acetate fiber, triacetate fiber, promix fiber, nylon fiber, vinylon fiber. , Polyvinyl chloride fiber, polyester fiber, acrylic fiber, polyethylene fiber, polypropylene fiber and the like. Further, as the fixed string 3, a string made of one kind or two or more kinds of materials is used. However, the knot force that the knot of the fixing cord 3 cannot be unraveled naturally is not limited to these materials because the knot force changes due to the cross-sectional shape of the cord and the surface frictional force of the cord in addition to the expansion and contraction of the cord. It may be appropriately selected depending on the size of expansion and contraction, the cross-sectional shape, and the surface frictional force. Rubber or polyurethane fibers may be used as a covering material for the fixing cord 3 in order to reinforce the tying force. As the fixing string 3 of the shift prevention mask 100, a cotton flat string that can be attached to the head without digging into the skin, is easy to tie, and is easy to untie is used as an example. In an example of how to tie the fixing cord 3, the fixing cord 3 is passed through the base under the nose and the ear bases on the left and right ears, and the both ends of the fixing cord 3 are lightly tied behind the head, and the head of the fixing cord 3 is tied. By pulling a little on both sides near the knot on the loop side and then squeezing the knot tightly, it is possible to fix the head strap side of the fixing cord 3 in a state with some allowance.
For the elongation rate (longitudinal direction) of the fixing cord 3, a test piece having a length of 300 mm is marked at intervals of 200 mm (L0), one end of the test piece is fixed to the upper part by an upper clamp, and the other end is a lower clamp. Grip and apply a load of 200 g (including the weight of the lower clamp) and hang down to measure the length (L1) between the marks, and the elongation rate (%) obtained by the following equation (1) using this measured value Is. The measurement is performed 5 times and the average is taken. However, in addition to this elongation measurement method, test pieces with a length of 300 mm are marked at intervals of 200 mm (L0), the test piece is pulled by applying a load of 200 g, and the length (L1) between the marks is measured. If it is possible, the measuring method is not limited.
Elongation rate (%)=((L1-L0)÷L0)×100 (1)
The load of 200 g is a force that pulls the fixing string 3 that is supposed when the mask body 1 tries to shift downward due to strong jaw movement when the shift prevention mask 100 is worn.

If the hole 8a that is the string hooking portion 6 of the misalignment prevention mask 100 has a hole size that has resistance when the fixing string 3 is passed through, the fixing string 3 will not easily come off before use, and there will be no gap between the hole and the airtightness. Enhance sex. If the mask body 1 is made of a non-woven fabric that has no direction in strength or elongation and does not fray , the hole size of the holes 8a does not increase even if it is used continuously. In addition, if the hole 8a has a loose hole size through which the fixing cord 3 passes, as a measure for preventing the fixing cord 3 from coming off from the hole 8a which is the cord catching portion 6 before mounting, the fixing cord 4 is fixed to the fixing cord 3 described later. or the like may be set only the. At the portion where the fixing cord 3 contacts the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the fixing cord 3 and the face. Never lowers. A plurality of holes 8a may be provided to allow the fixing cord 3 to pass through. Further, although not shown, in the modified example of the string hooking portion 6 using the hole 8a, when the mask body 1 is a laminated mask, a hole is fixed in the inner filter near the upper edge of the mask body 1 by providing a hole. It is also possible to form a hole in the inner or outer filter at a tip through which the string 3 is passed and pass a little between the filters in the end direction, and the fixing string 3 may be brought out of the laminated mask through the hole. Further, although not shown, after passing the fixing cord 3 through the holes 8a of the left and right cord hook portions 6, one hole 8a is closed by stitching or welding to fix the fixing cord 3 to the cord hook portion 6. Good. In this case, the center position of the fixing cord 3 does not shift even if the mounting cord 2 on the side where the fixing cord 3 is fixed is hooked on the ear and the end of the other fixing cord 3 is handled with one hand.

FIG. 3 shows a modified example of the string hooking portion 6 of the shift prevention mask 100, which is six examples of the right string hooking portion 6 when viewed from the inside of the mask body 1. Further, the left side string hooking part 6 paired with the right side string hooking part 6 is shown symmetrically with the right side string hooking part 6 examples, and therefore omitted. Further, FIG. 3 is an explanatory view of the string hooking portion 6, and the drawing of the attached string 2 is omitted. As shown in FIG. 3( a ), the upper and lower sides of a non-woven fabric piece 9 of the same material as the mask body 1 are attached by welding 14 a near the upper corner of the inside of the mask body 1 so that the space between the mask body 1 and the non-woven fabric piece 9 is There is a gap through which the string passes, and the fixed string 3 is passed through. The string hook portion 6 on the left side is similar to the right side. Further, as shown in FIG. 3(b), a nonwoven fabric piece 9 made of the same material as the mask body 1 is folded into a ring near the upper corner of the inside of the mask body 1, and the lower end of the ring is attached by welding 14a. The fixing string 3 is passed through the loop of the nonwoven fabric piece 9. The string hook portion 6 on the left side is similar to the right side. As another method for attaching the non-woven fabric piece 9 to the mask body 1, for example, suturing, double-sided adhesive tape, adhesive or the like can be considered. Further, as shown in FIG. 3C, a triangular cushion sheet material 27 is attached to the upper corner of the inside of the mask body 1 in accordance with the shape of the corner with a double-sided adhesive tape of a double-sided adhesive body 28. A gap is provided between the mask body 1 and the cushion sheet material 27, and the fixing string 3 is passed through. A hole may be provided in the cushion sheet material 27 and the fixing cord 3 may be passed through the hole. The cushion sheet material 27 is thinner toward the side closer to the center of the mask body 1. The string hook portion 6 on the left side is similar to the right side. The cushion sheet material 27 has flexibility and resilience, can fit between the face and the mask body 1, and can block dust. Examples of the material include polyethylene foam, urethane foam, natural rubber foam, and synthetic rubber foam. The cushion sheet material 27 is attached to a part of the upper edge of the mask body 1, but in order to prevent exhaled breath or dust from entering between the nose and the mask body 1, the nose of the mask body 1 is prevented. Not to be attached to the upper edge of the periphery, but to be attached to both upper corners of the mask body 1 so that the vicinity of the upper corner of the mask body 1 is caught by the fixing string 3 to stop the movement of the mask body 1. Is. Other methods for attaching the cushion sheet material 27 to the mask body 1 include, for example, suturing, welding, and adhesive. Although the non-woven fabric piece 9 and the cushion sheet material 27 are attached near the upper corners , the material and the shape are not limited as long as they can be attached to the mask body 1 and can be hooked on the fixing cord 3. Further, as shown in FIG. 3(d), two holes 8a through which the fixing cord 3 can be inserted are provided near the corner of the mask body 1 on the upper edge side. A plurality of holes 8a may be arranged vertically or diagonally vertically, and the number of holes 8a may be one or two or more. When the fixing cord 3 is passed through one hole 8a and is hooked on the fixing cord 3 and there are a plurality of holes 8a in addition, it can be used for adjusting the vertical mounting position of the mask body 1, and the number of holes 8a is limited. do not do. The string hook portion 6 on the left side is similar to the right side. Further, as shown in FIG. 3E, the mask body 1 is vertically or obliquely vertically provided near the upper corner of the inside of the mask body 1 so that a clearance through which the fixing cord 3 can be passed is formed. A polypropylene thread 13a made of the same material as the above was attached by welding 14a to form a gap. There may be one or two or more gaps, and the fixing cord 3 is passed through one gap so as to be hooked on the fixing cord 3. If there are a plurality of other gaps, adjustment of the vertical mounting position of the mask body 1 is performed. The number of gaps that can be used is not limited. The left string hook 6 is similar to the right. Furthermore, as shown in FIG. 3( f ), polypropylene yarn is provided in the vertical direction so that a clearance through which the fixing cord 3 can be inserted is formed at the side edge of the upper corner inside the mask body 1. 13a was attached by welding 14a to form a continuous gap. There may be one or two or more gaps, and the fixing cord 3 is passed through one gap to be hooked on the fixing cord 3. If there are a plurality of other gaps, adjustment of the vertical mounting position of the mask body 1 is performed. The number of gaps that can be used is not limited. The left string hook 6 is similar to the right. The thread 13a shown in FIGS. 3(e) and 3(f) can be attached to the mask body 1 by welding, sewing or the like. The thread 13a is not limited to any particular material as long as it can form a gap so that the thread 13a can be hooked on the fixing cord 3.

The pleated mask 90 includes a mask body 1 having pleats that can be spread in the vertical direction, and attachment strings 2 on the left and right side edge portions of the mask body 1 so that the mask body 1 can be attached to a face. Anything will do. Since the left and right ends of the mask body 1 are welded or sewn together, when the mask body 1 is mounted and unfolded in the up-down direction, the vicinity of the center of the mask body 1 in the left-right direction spreads in the up-down direction. The edges do not spread. The mask body 1 is a pleated mask body 1 that covers the mouth and nose, suppresses invasion of fine particles such as pollen and dust, suppresses invasion and scattering of viruses and bacteria, and suppresses saliva scattering . Known materials used for general pleated masks can be used. Nonwoven fabrics that can be easily pleated include polyester fibers, polypropylene fibers, polyethylene fibers, rayon fibers, and nylon fibers, but these materials are not limited. The breathable sheet covering the mouth and nose of the mask body 1 is a single sheet or a plurality of sheets (laminated structure), and one or more materials may be used. This is an example in which a polypropylene non-woven sheet is used for the mask body 1 of the shift prevention mask 100. The wearing cord 2 is preferably one that allows the pleated mask 90 to be worn on the face and does not cause pain by flexibly contacting the wearer's ears or head . There are materials such as thermoplastic elastomers, and as covering materials therefor, there are polyester fibers, nylon fibers, etc., but these materials are not limited. The attachment string 2 of the shift prevention mask 100 is an example using polyurethane fiber and polyester fiber. By using the ordinary known pleat mask and having the string hooking portion 6 and the fixed string 3, the string hooking portion 6 hooked on the fixed string 3 does not move even if the face moves. The displacement of the pleated mask 90 can be sufficiently prevented, and the displacement preventing mask 100 is obtained. In 14 g of welding, the attachment strings 2 were attached to the left and right side edge portions of the mask body 1 by welding. The attachment string 2 may be attached to the inside and outside of the mask body 1 or between the sheets (in the case of a laminated structure) at the left and right side edge portions, respectively. In addition, for example, sutures can be attached taken by a known method such as adhesive. In the welding 14g of the non-woven mask, a plurality of holes or gaps are provided in the end portion of the attachment string 2 which is to be joined to the mask body 1, so that the non-woven fabric made of the same material as the mask body 1 and the attachment portion of the attachment string 2 are attached to the mask body 1. There is also a method of sandwiching them and welding the non-woven fabric and the mask body 1 so as to fill the holes or gaps of the attachment string 2 and connect them.

In addition to ear hooks, the attachment string 2 of the misalignment prevention mask 100 is not shown in the drawings, but is not shown in the neck of a mask body 1 such as a surgical mask formed with pleats capable of expanding in the up-down direction near the center in the left-right direction . Even if a string type is used which is tied to each of the back and the back of the head, the shift prevention mask 100 does not move the string hooking part 6 hooked on the fixed string 3 even if the face moves, so the mask The upper part of the main body 1 does not come off. Further, although not shown, even when the wearing cord 2 is for ear hanging and is used by passing it under the ear and fixing it behind the neck without hanging it on the ear, by using the fixing cord 3 and the cord hooking portion 6. The upper portion of the mask body 1 formed with pleats capable of expanding in the vertical direction does not shift.

As shown in FIG. 4(a), the left and right fixing cords 3 are passed through an industrial plastic or metal tube 30 as shown in FIG. The fixing cord 3 may be fixed to the tube 30 by pulling one or both of the fixing cords 3. The tube 30 may be slightly tight when the fixing cord 3 passes through. The cross section of the cylinder 30 may be polygonal other than circular. Further, as shown in FIG. 4(b), the left and right fixing cords 3 are hooked and fixed to the industrial hooks 31 made of plastic or metal. 3 is provided with a notch 32a through which the notch 32a can be guided, and further the notch 32a is provided with notches 32b whose back sides are narrowed, and the left and right fixing cords 3 are respectively passed through the notches 32b and hooked. The fixing string 3 is fixed. The attachment string 2 may be hooked on the left and right ends of the hook stopper 31 in addition to the ear hook, and the pleated mask 90 may be attached to the face. Further, although not shown, the fixing cord 3 may be fixed by using a cord stopper. The cord stopper is a tubular outer cylinder with a hole for passing the cord, an inner cylinder with a hole for passing the cord that can be slidably attached to the outer cylinder, and an arrangement between the outer cylinder and the inner cylinder. Fixing string 3 that has elastic means such as a provided spring and passes through the holes of the outer cylinder and the inner cylinder, and is clamped and stopped between the outer cylinder and the inner cylinder by the elastic restoring force of the elastic means. Is. The method of attaching and fixing the fixing string 3 to the head is not limited to these attachment methods, as long as it can be attached without pressing the head, shifting, and coming off. Cylinder 30, the hook fastener 31, using the fixture 11 to mount the fixing strap 3 such as code stopper, when fixing the fixing string 3, thereby facilitating fine adjustment of the force tightening without biting into the skin. Even if the fixing cord 3 is difficult to tie, the fixing cord 3 can be attached to the head by using the attachment 11.

As a measure for preventing the fixing cord 3 of the shift prevention mask 100 from coming off from the cord hooking part 6 before attachment, as in the case of the cord stopper 4 of FIG. Should be provided. In addition, as shown in FIG. 5, as a modified example of the cord stopper 4, after the fixing cord 3 is passed through the cord hooking portion 6, two holes are formed in the cord stopper film 33 made of industrial plastic as the cord stopper 4. 8b may be provided, and the fixing string 3 may be passed through the two holes 8b.

The misplacement prevention mask 100 is provided with a nose piece 5 that can be bent according to the face such as aluminum or polyethylene resin and can maintain the bent state at the center of the upper edge portion of the mask body 1, and the upper nose and the mask body 1 It is better to increase the degree of adhesion.

The fixing cord 3 of the misalignment prevention mask 100 is provided with an aglet that is covered with plastic or metal at both ends of the fixing cord 3 so that it can be easily inserted into the hole 8a of the cord hooking portion 6, or if the fixing cord 3 is meltable, both ends are fixed. It may be melted and thinly solidified.

The slip prevention mask 100 is easy to put the hand from the end of the mounted mask body 1 into the gap between the mask body 1 and the face and hang the fixing cord 3 on the base of the nose. Instead, as a method of guiding the fixing cord 3 to the base under the nose, in FIG. 6, the guiding portion 10 is provided near the center of the mask body 1. As the guide portion 10, the thread 13b is hung or passed through the fixing cord 3 inside the mask body 1, and is passed through the outside near the center of the mask body 1 to form a loop. As the guiding operation, the shift prevention mask 100 is attached to the face using the attachment string 2, and the both ends of the fixing string 3 are lightly held behind the head, and the thread 13b on the outside of the mask body 1 is pinched, Guide the fixing cord 3 to the position of the base under the nose, and then tie the fixing cord 3 behind the head. (The thread 13b may be cut after the fixing string 3 is tied.) The thread 13b is a cotton thread, but a known thread may be used because it only guides the fixing string 3. Further, in FIG. 7, as a modified example of the guiding portion 10, when the fixing cord 3 and the mask body 1 can be welded, a part of the surface of the fixing cord 3 and the inside of the mask body 1 are used as the cord attaching portion 12. It is attached by welding 14b so that the surface near the center is pulled out and pulled out. As a guiding operation, the shift prevention mask 100 is attached to the face using the attachment string 2, and both ends of the fixing string 3 are lightly held behind the head, and the center of the outer side of the mask body 1 on the opposite surface of the welding 14b. , And guide the fixing cord 3 to the position of the base under the nose, lightly pulling the outside of the mask main body 1 to cut the welding 14b between the fixing cord 3 and the mask main body 1, and fix the fixing cord 3 behind the head. tie. In order to make it easier to pick the outside of the mask body 1, a non-woven fabric piece 9 of a size that can be picked by hand may be attached. The non-woven fabric piece 9 may be attached by welding using the same non-woven fabric as the mask body 1. It should be noted that FIGS. 6 and 7 are illustrations of the guide unit 10, and the drawing of the attachment cord 2 and the nosepiece 5 is omitted.

(Embodiment 2)
The shift prevention mask according to the second exemplary embodiment of the present invention has a front frame, which is the center portion of the fixing cord of the shift prevention mask according to the first exemplary embodiment of the present invention, and holds the center of the front frame. It was easy to guide to the position of the base under the nose. Hereinafter, the shift prevention mask according to the second exemplary embodiment of the present invention will be described in detail with reference to FIGS. 8 to 9.

FIG. 8 is a diagram in which a shift prevention mask according to the second embodiment of the present invention is mounted on a face, and FIG. 9 is an explanatory diagram of a modification example of a fixing cord and a front frame of the shift prevention mask according to the second embodiment of the present invention. is there. In the second embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 8, the misalignment prevention mask 200 according to the second embodiment is different from the misalignment prevention mask 100 according to the first embodiment in that the center portion of the fixing cord 3 is a front frame 15 of a rod having a substantially U shape. It is a thing. The front frame 15 of the rod is passed through the holes 8a which are the left and right string hook portions 6. Both ends of the front frame 15 of the rod reach to the front of the ear root above the ear, and the ends are fixed strings 3 attached to the left and right sides, respectively. By passing the front frame 15 of the rod through the hole 8a, the hole 8a is caught in the front frame 15 of the rod.

When the slip prevention mask 200 is worn on the face, the strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the center portion of the front frame 15 of the stick is attached to the base under the nose from above to below. The fixing cord 3 attached to the front frame 15 of the rod is passed over the ear roots on the left and right ears, is tied behind the head, and is attached to the head. There is no particular order of attaching the attachment cord 2 and the fixed cord 3 attached to the front frame 15.

The front frame 15 of the stick of the anti-misalignment mask 200 hangs the center from the bottom to the bottom of the nose, and the fixing string 3 attached to the front frame 15 of the stick is attached to the root of the ear above the left and right ears. Since it is tied behind the head and attached and fixed to the head in the state of hanging from below, it is the same as the fixing string 3 of the shift prevention mask 100, and is fixed at a position that hardly moves even if the chin or neck is moved. can do.

The misalignment prevention mask 200 is fixed in a state in which the hole 8a is hooked on the front frame 15 of the rod by passing the front frame 15 of the rod fixed to the head through the hole 8a, and the hole 8a moves up and down. I can't. Therefore, the upper portion of the mask main body 1 provided with the holes 8a can maintain the initial position without being displaced like the upper portion of the shift prevention mask 100. Further, since the mask body 1 is pleated, the lower part of the mask body 1 can move up and down in accordance with the chin like the lower part of the displacement prevention mask 100. The mask body 1 does not move back to the position of.

If the hole 8a that is the string hooking portion 6 of the misalignment prevention mask 200 has a hole size that has a resistance when the front frame 15 of the rod is passed through, it becomes difficult for the front frame 15 of the rod to come off naturally before use and the hole 8a The gap is eliminated and the airtightness is improved. Further, if the hole 8a has a loose hole size through which the front frame 15 of the bar passes, as a measure for preventing the fixing cord 3 from coming off from the hole 8a of the cord hooking portion 6 before mounting, a cord stopper similar to the shift prevention mask 100 is used. part 4 or the like may be set only the. At the portion where the front frame 15 of the stick comes into contact with the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the front frame 15 of the stick and the face. It does not reduce the closeness of the face.

The front frame 15 of the stick of the anti-misalignment mask 200 has both sides of the front frame 15 of the stick located on the side of the face, and can guide the center of the front frame 15 of the stick to the base of the nose. It is sufficient if the elastic force is such that there is no deflection or no significant deflection occurs. Specifically, for example, general industrial plastics are considered, and examples thereof include polyethylene resin, polypropylene resin, ABS resin, EVA resin, polystyrene resin, polyamide resin, nylon resin and the like. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like. A polypropylene resin rod was used for the front frame 15 of the rod of the shift prevention mask 200. Since the front frame 15 passes through the inside of the mask body 1 and is smaller than the cover portion of the mask body 1 and is attached along the face, the dome shape of the mask body 1 does not collapse or further swell.

A flat string made of polypropylene fiber is used as the fixing cord 3 of the shift prevention mask 200, which is easy to tie and does not break into the skin, and is made of polypropylene fiber. Was attached by welding 14c. As another attachment method, although not shown, holes are formed at both ends of the front frame 15 through which the fixing cords 3 pass, and the fixing cords 3 are passed through the holes to tie the fixing cords 3 or the fixing cords 3 are wound around the holes. They may be sewn together, or the fixing string 3 may be wound around the hole and welded or adhered to each other so as to be connected and attached. Further, both ends of the front frame 15 and the fixing string 3 may be connected by an aglet made of plastic or metal. It suffices that the front frame 15 and the fixing cord 3 are securely attached, and the attachment method is not limited to these.

In addition, as shown in FIG. 9, as a modified example of the rod front frame 15 of the displacement prevention mask 200 according to the second embodiment, the fixing frame 3 is passed through the front frame 15 of the pipe, and the front frame 15 of the pipe is fixed. It is located in the center of the string 3, and the front frame 15 of the tube is hung from the bottom to the bottom of the nose, and both ends of the fixing string 3 are tied and fixed behind the head. Both ends of the front frame 15 of the pipe pass through the holes 8a of the string hook portion 6 and reach to the front of the ear root on the ear. The relationship between the fixed cord 3 and the front frame 15 of the pipe is not shown, except that the fixed cord 3 can move through the front frame 15 of the pipe, but the fixed cord 3 movable in the front frame 15 of the pipe. May be stopped by closing at the end of the front frame 15, or the fixing cord 3 may be attached to the end of the front frame 15 without passing the fixing cord 3 through the front frame 15 of the pipe. The front frame 15 of the tube can hold both sides of the front frame 15 of the tube located on the side of the face to guide the center of the front frame 15 of the tube to the root under the nose, without any flexure or flexure. It is sufficient if the elastic force is such that it does not occur significantly. Specifically, general industrial plastics and rubbers are conceivable, and examples thereof include tubes of polyethylene resin, nylon resin, polypropylene resin, polyvinyl chloride resin, silicone rubber, and the like. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like.

The front frame 15 of the rod or tube has left and right front frames 15 located on the sides of the face, and is a length that does not reach the hole 8a of the string hook portion 6 other than the method of guiding to the base under the nose. When the front frame 15 is used, it is possible to guide by holding the center of the front frame 15 from above the outside of the mask body 1.

(Embodiment 3)
The shift prevention mask according to the third exemplary embodiment of the present invention makes the fixing cord of the shift prevention mask according to the first exemplary embodiment of the present invention a fixed frame, thereby facilitating an operation of attaching the fixed frame to a face. .. The shift prevention mask according to the third embodiment of the present invention will be described in detail below with reference to FIGS. 10 to 13.

FIG. 10 is a diagram in which a shift prevention mask according to the third embodiment of the present invention is attached to a face, FIG. 11 is a diagram in which a modification example of the shift prevention mask according to the third embodiment of the present invention is attached to a face, and FIG. FIG. 13 is a diagram in which a variation example of the misregistration prevention mask according to the third embodiment of the present invention is mounted on a face, and FIG. 13 is an explanatory diagram of a fixed frame of the misregistration prevention mask according to the third embodiment of the present invention. In the third embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 10, the shift prevention mask 300 according to the third embodiment is different from the shift prevention mask 100 according to the first embodiment in that the fixing string 3 is replaced by a substantially U-shaped rod or tube (the rod is hollow and lightweight. The fixed frame 17 (which has been made into a material) is used. As shown in FIG. 13, at both ends of the fixed frame 17, curved ear hooks 18 that can be hooked on the ears are provided. The fixed frame 17 passes through the inside of the mask body 1 and passes through the holes 8a which are the left and right string hook portions 6 of the mask body 1 and is exposed to the outside of the mask body 1. The hole 8a is hooked on the fixed frame 17 by passing the fixed frame 17 through the hole 8a.

When the slip prevention mask 300 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, the central portion of the fixed frame 17 is hung on the back of the nose, and the fixed frame 17 is hung on the ear. Mount the part 18 on the left and right ears. There is no particular order of attaching the attachment string 2 and the fixed frame 17.

The fixed frame 17 of the shift prevention mask 300 is attached to the head by hanging the central part on the back of the nose and the ear hooking part 18 on the ears. Therefore, even if the chin or the neck is moved, it can be attached at a position where it hardly moves. The fixed frame 17 may be brought into contact with the side of the face and lightly clamp the face due to its elastic characteristics, so that the mounting stability is further increased. Since the fixed frame 17 that passes inside the mask body 1 is smaller than the covering portion of the mask body 1 and passes near the contour of the face, the dome shape of the mask body 1 does not collapse or swell. The fixed frame 17 is slightly bent downward in a portion passing near the left and right cheekbones, so that the fixed frame 17 is separated from the upper edge portion of the mask body 1 so that no gap is formed between the upper edge portion of the mask body 1 and the face. .

The slip prevention mask 300 is fixed in a state in which the hole 8a is caught in the fixed frame 17 by passing the fixed frame 17 that is stably attached to the head through the hole 8a, and the hole 8a moves downward. I can't. Therefore, the upper portion of the mask body 1 provided with the holes 8a can be maintained at the initial position without being displaced downward. Further, since the mask body 1 is pleated, the lower part of the mask body 1 can move up and down in accordance with the chin like the lower part of the displacement prevention mask 100. The mask body 1 does not move back to the position of.

If the hole 8a that is the string hooking portion 6 of the shift prevention mask 300 has a hole size that allows resistance when the fixed frame 17 is passed through, it becomes difficult for the fixed frame 17 to come off naturally before use, and there is no gap between the hole and the airtightness. Enhance sex. At the portion where the fixed frame 17 contacts the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the fixed frame 17 and the face. There is no lowering.

The fixed frame 17 has both sides of the fixed frame 17 located on the side of the face, and can guide the center of the fixed frame 17 to the back of the nose. Elastic force for no bending or large bending is generated. Then, it is enough if there is elastic force to lightly clamp the face. Specifically, for example, general industrial plastics are considered, and examples thereof include polyethylene resin, polypropylene resin, ABS resin, EVA resin, polystyrene resin, polyamide resin, nylon resin, and acetate resin. Further, a metal such as aluminum or iron can be used. The metal may be a resin coated. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like. The fixed frame 17 may be provided with a nose pad in the central portion that contacts the back of the nose so that the nose pad is stable when it is hung on the nose.

As shown in FIG. 11, in the shift prevention mask 301 according to the third embodiment, the fixed frame 17 passes through the outside of the mask main body 1 to the left and right of the mask main body 1 with respect to the shift prevention mask 300 according to the third embodiment. It is one that is exposed inside the mask main body 1 through the hole 8a of the string hook portion 6. By passing the fixed frame 17 through the hole 8a, the hole 8a is caught in the fixed frame 17.

When the shift prevention mask 301 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the central portion of the fixed frame 17 is hung on the back of the nose from the outside of the mask body 1. The ear hooks 18 of the fixed frame 17 are hooked and attached to the left and right ears.

The fixed frame 17 of the misalignment prevention mask 301 can be attached to a position where it hardly moves even when the jaw or neck is moved, like the fixed frame 17 of the misalignment prevention mask 300. Further, the fixed frame 17 of the shift prevention mask 301 comes into contact with the mask main body 1 at the position of the side portion of the face to lightly sandwich the face due to its elastic characteristics. Since the fixed frame 17 that passes through the outside of the mask body 1 is the fixed frame 17 that passes through the upper portion of the mask body 1 without passing through the bulging position in the central portion of the mask body 1, the dome shape of the mask body 1 should be almost crushed. There is no.

Since the shift prevention mask 301 is fixed in the same manner as the shift prevention mask 300 with the hole 8a hooked on the fixed frame 17, the mask body 1 maintains the initial position and does not shift.

The misalignment prevention mask 301 has a state in which the mask body 1 is lightly sandwiched between the fixed frame 17 and the face at the portion where the fixed frame 17 contacts the outside of the mask body 1 before passing through the hole 8a. It does not reduce the degree of adhesion between 1 and the face.

In the shift prevention mask 301 , the string hooking portions 6 of FIG. 3A, FIG. 3B, FIG. 3E, or FIG. You may pass through.

The shift prevention mask 302 according to the third embodiment is a modification of the string hooking portion 6 of the shift prevention mask 301 according to the third embodiment, as shown in FIG. 12. Instead of the hole 8a of the string hooking portion 6, a hook 26 made of industrial plastic or metal is provided near the upper edge side corner of the mask body 1 and attached so as to be hooked on the fixed frame 17. Is.

When the shift prevention mask 302 is worn on the face, the wearing strap 2 is hung on each of the left and right ears to attach the mask body 1 to the face, and the central portion of the fixed frame 17 is hung from the outside of the mask body 1 on the back of the nose. The ear hooks 18 of the fixed frame 17 are hooked and attached to the left and right ears. The hook 26 may be hung on the fixed frame 17 after the fixed frame 17 is attached to the face without being hung on the fixed frame 17 from the beginning. In the example of FIG. 12, the hook 26 is made of the same polypropylene resin as the mask body 1, and the hook 26 is attached to the mask body 1 by welding 14d. Since the hook 26 of the string hook portion 6 is hooked on the fixed frame 17, the shift prevention mask 302 does not shift.

Further, although not shown, even if the central portion of the fixed frame 17 of the shift prevention mask 300 is changed from the position of the back of the nose to the position under the nose like the fixing cord 3 of the shift prevention mask 100, the mask The upper part of the main body 1 does not shift up and down, and the effect is the same. In this case, the fixed frame 17 from the central portion to the vicinity of the ear can pass near the same position as the fixed string 3 of the shift prevention mask 100.

(Embodiment 4)
The shift prevention mask according to the fourth exemplary embodiment of the present invention includes a hook portion at a central portion of the mask main body of the shift prevention mask according to the first exemplary embodiment of the present invention. It can be picked from the outside of the body and guided to the attachment position of the nasal tip or nostril. Hereinafter, the shift prevention mask according to the fourth embodiment of the present invention will be described in detail with reference to FIGS. 14 to 15.

FIG. 14 is a perspective view of the misregistration prevention mask according to the fourth embodiment of the present invention seen from the side in contact with the face, and FIG. 15 is a modification of the misregistration prevention mask according to the fourth embodiment of the present invention from the side in contact with the face. It is the perspective view seen. In the fourth embodiment, the same parts as those described in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 14, the misregistration prevention mask 400 according to the fourth embodiment is different from the misregistration mask 100 according to the first embodiment in that the ring 21 that is the hooking portion 20 is provided in the central portion of the mask body 1 from the upper inner edge. Installed. The ring 21 was attached by sandwiching an attachment piece 23 made of the same nonwoven fabric as the mask body 1 above the ring 21 and attaching the attachment piece 23 and the mask body 1 by welding 14f. The both sides of the ring 21 were attached by cutting the center of the fixing cord 3 and winding the fixing cord 3 to the left and right, suturing. The ring 21 is an annular shape that fits on the nose tip and can be hooked under the nose tip. The ring 21 should be bent according to the shape around the nose tip so that the ring 21 can be further hooked on the nose tip. preferable. Examples of the ring 21 include polyethylene resin and polypropylene resin. Further, a metal is considered, and examples thereof include aluminum. It is not limited to these materials as long as it can be hooked under the tip of the nose.

As another method of attaching the ring 21 to the mask body 1, although not shown, for example, when the ring 21 and the mask body 1 can be welded, direct welding is performed. It is conceivable that the attachment piece 23 is wound around and the attachment piece 23 and the mask body 1 are sewn together. As another method of attaching the fixing cord 3 to the hooking portion 20, although not shown, for example, when the ring 21 and the fixing cord 3 can be welded, direct welding is performed, and when only the fixing cord 3 can be welded, the ring 21 is attached. The fixing string 3 may be wound and welded, and the fixing string 3 may be wound on the ring 21 and bonded with an adhesive.

When the slip prevention mask 400 is attached to the face, the attachment string 2 is hung on each of the left and right ears to attach the mask main body 1 to the face, and the ring 21 of the hooking portion 20 is passed through the nasal tip and bent according to the nasal tip. Fit. The fixing string 3 attached to the ring 21 passes over the ear roots on the left and right ears, is tied behind the head, and is attached to the head. There is no particular order of attachment of the attachment cord 2 and the fixed cord 3 attached to the ring 21.

The ring 21 of the misalignment prevention mask 400 is hooked on the nose tip from the bottom to the top. Since it is tied at the back of the section and attached and fixed to the head, it can be attached in a stable state at a position where it hardly moves, like the fixing string 3 of the shift prevention mask 100. Therefore, the mask main body 1 can maintain the initial position, and the mask main body 1 will not be displaced. Further, the mask body 1 is not displaced even if the mounting piece 23 is not provided and the ring 21 is not mounted on the mask body 1.

Since the fixing cord 3 of the shift prevention mask 400 is attached along the face through the hooking portion 20, the dome shape of the mask body 1 does not collapse or swell.

The deviation prevention mask 401 according to the fourth embodiment is a modification of the hook portion 20 of the deviation prevention mask 400 according to the fourth embodiment, and as shown in FIG. Is. The hook catching tool 22 is provided with a hook that can be hooked on the nostril in a rectangular frame that passes through the tip of the nose, and is hooked under the nose. The hook catching tool 22 was attached by sandwiching a mounting piece 23 made of the same nonwoven fabric as the mask main body 1 on the upper part of the hook catching tool 22, and attaching the mounting piece 23 and the mask main body 1 by welding 14f. Both sides of the hook hooking device 22 were attached by cutting the center of the fixing cord 3 and winding the fixing cord 3 to the left and right, and sewing. As the hook catching tool 22, for example, a general industrial plastic is considered, and a polyethylene resin, a polypropylene resin, an ABS resin, an EVA resin, a polystyrene resin, an acetate resin, etc. may be mentioned. The material is not limited to these materials, as long as the shape can be retained on the nostril.

As another method of attaching the hook catching tool 22 to the mask body 1, a method similar to that of the shift prevention mask 400 according to the fourth embodiment can be considered.

When the slip prevention mask 401 is attached to the face, the attachment string 2 is hung on each of the left and right ears to attach the mask main body 1 to the face, and the hook of the hook hooking device 22 of the hooking portion 20 is hooked on the nostril. The fixing string 3 attached to the hook 22 passes over the ear roots on the left and right ears, and the fixing string 3 is tied behind the head and attached to the head. There is no particular order of installation.

The hook catching tool 22 of the misalignment prevention mask 401 hooks the hook catching tool 22 under the nose from the bottom to the top, and the fixing cord 3 attached to the hook catching tool 22 moves from the top to the bottom of the ear on the left and right ears. In the hung state, since it is tied behind the head and attached and fixed to the head, like the fixing string 3 of the shift prevention mask 100, it can be attached in a stable state at a position where it hardly moves. Therefore, the mask main body 1 can maintain the position at the time of initial mounting, and the mask main body 1 does not shift.

1 Mask Main Body 2 Attachment String 3 Fixed String 4 String Stop 5 Nose Piece 6 String Hook 7 Face 8a Hole 8b Hole 9 Nonwoven Fabric Piece 10 Guide Part
11 mounting tool 12 string mounting section
13a thread
13b Thread 14a Welding 14b Welding 14c Welding 14d Welding
14f welding
14g Welding 15 Front frame 17 Fixed frame 18 Ear hook portion 19 Connecting portion between front frame and fixing cord 20 Hook portion 21 Ring 22 Hook hook tool 23 Attachment piece
26 Hook 27 Cushion Sheet Material 28 Double-sided Adhesive Body 30 Tube 31 Hook Stopper 32a Notch 32b Notch 33 Strap Film
90 Pleated Mask 100 Misalignment Preventing Mask 200 Misalignment Preventing Mask 300 Misalignment Preventing Mask 301 Misalignment Preventing Mask 302 Misalignment Preventing Mask
400 misalignment prevention mask 401 misalignment prevention mask

According to the invention described in claim 1, even when the user wears it for a long time and becomes slippery due to sebum and sweat, and even when the chin is greatly moved for sneezing, yawning, talking, etc., the fixing cord is the upper part of the mask body. The bottom of the mask body moves up and down according to the chin by the pleats structure and the pulling of the wearing string, and it returns to its original state when the mouth is closed. I was able to maintain my position. Therefore, the movement of the mask body does not feel uncomfortable, and the work can be continued without lowering the concentration.
Further, since the fixed cord and the mounting cord of the invention according to claim 1 are separate cords, one cord is divided into an upper end and a lower end as in the invention of Patent Document 1, and the length and the pulling force of the upper and lower cords. Since there is no need to adjust the balance, the mask body does not shift and the discomfort due to the strength of tightening the string is not felt.
The cord hooking portion of the invention according to claim 1 can move on the fixing cord only because it is hooked on the fixing cord, and does not pull the upper end portion of the mask main body to the left and right. Since it does not extend to the left and right to form a gap, humidification at the mouth does not leak from the upper end of the mask body and cloud the glasses.
Since the fixing cord of the invention according to claim 1 can prevent the mask body from being displaced, the attaching cord does not need a tensile force for preventing the displacement, so that the tensile force of the attaching cord is weakened accordingly. It is possible to reduce the pain when the wearing cord is hooked on the ear. Even if the fixing string is attached to the head, it does not bite into the skin due to the pulling force, so that the pain due to it does not feel.
The use of the invention of claim 1 is, for example, in a workplace or medical facility handling food, and when the invention of claim 1 is worn and the displacement of the mask body is eliminated, the mask body is inadvertently fixed to correct the displacement. I couldn't touch it and I could improve hygiene. Further, when the invention of claim 1 is used for a patient infected with a virus or a bacterium, when the mask body is not misaligned, the discomfort due to the misalignment disappears, and the chance of contact infection by touching the mask body is reduced. , Viruses and bacteria attached to the mask body will be less likely to spread through your hands. Furthermore, in the case where the mask is attached and dirty hand work is performed, if the mask is displaced during the work, it is necessary to correct the displacement of the mask after washing the hands or removing gloves. By mounting the mask, the mask does not shift, so that it is not necessary to correct the mask displacement until the work is completed, and the user can concentrate on the work.

If the strap 3 of the anti-misalignment mask 100 is made of rubber or polyurethane fiber as the core material of the strap and has a property of large expansion and contraction, it strongly presses the place where the strap 3 passes through the nose or ear, or touches the skin. It is not so preferable that the mask main body 1 may be displaced due to biting or stretching of the fixing cord 3. The elongation rate of the fixing cord 3 measured by the method described later is preferably 20% or less, more preferably 14% or less. The fixing string 3 does not need to have a tightening force that cuts into the skin, and is preferably attached to the head without being pressed. Specific examples of the material of the fixing cord 3 include Japanese paper, cotton, linen, silk, lyocell fiber, rayon fiber, cupra fiber, polynosic fiber, acetate fiber, triacetate fiber, promix fiber, nylon fiber, vinylon fiber. , Polyvinyl chloride fiber, polyester fiber, acrylic fiber, polyethylene fiber, polypropylene fiber and the like. Further, as the fixed string 3, a string made of one kind or two or more kinds of materials is used. However, the knot force that the knot of the fixing cord 3 cannot be unraveled naturally is not limited to these materials because the knot force changes due to the cross-sectional shape of the cord and the surface frictional force of the cord in addition to the expansion and contraction of the cord. It may be appropriately selected depending on the size of expansion and contraction, the cross-sectional shape, and the surface frictional force. Rubber or polyurethane fibers may be used as a covering material for the fixing cord 3 in order to reinforce the tying force. As the fixing string 3 of the shift prevention mask 100, a cotton flat string that can be attached to the head without digging into the skin and is easy to tie and easy to untie is used as an example. In an example of how to tie the fixing cord 3, the fixing cord 3 is passed through the root under the nose and the ear roots on the left and right ears, and the both ends of the fixing cord 3 are lightly tied behind the head, and the head of the fixing cord 3 is tied. By slightly pulling both sides near the knot on the loop side and then squeezing the knot firmly, it is possible to fix the head strap side of the fixing cord 3 in a state in which there is some allowance.
The elongation rate (longitudinal direction) of the fixing cord 3 is obtained by marking a test piece having a length of 300 mm at intervals of 200 mm (L0), fixing one end of the test piece to the upper part with an upper clamp, and the other end to a lower clamp. Grip and apply a load of 200g (including the weight of the lower clamp) and hang it down to measure the length (L1) between the marks and the elongation rate (%) obtained by the following equation (1) using this measured value. Is. The measurement is performed 5 times and the average is taken. In this elongation measuring method, a test piece having a length of 300 mm is marked at intervals of 200 mm (L0), a load of 200 g is applied to the test piece to pull it, and the length (L1) between the marks is measured to obtain the elongation. However, the measuring method is not limited.
Elongation rate (%)=((L1-L0)÷L0)×100 (1)
The load 200 g is a force that pulls the fixing string 3 that is assumed when the mask body 1 tries to shift downward due to strong jaw movement when the shift prevention mask 100 is attached.

FIG. 3 shows a modified example of the string hooking portion 6 of the shift prevention mask 100, which is six examples of the right string hooking portion 6 when viewed from the inside of the mask body 1. Further, the left side string hooking part 6 paired with the right side string hooking part 6 is shown symmetrically with the right side string hooking part 6 examples, and therefore omitted. Further, FIG. 3 is an explanatory view of the string hooking portion 6, and the drawing of the attached string 2 is omitted. As shown in FIG. 3( a ), the upper and lower sides of a non-woven fabric piece 9 of the same material as the mask body 1 are attached by welding 14 a near the upper corner of the inside of the mask body 1, and the space between the mask body 1 and the non-woven fabric piece 9 is attached. There is a gap through which the string passes, and the fixed string 3 is passed through. The string hook portion 6 on the left side is similar to the right side. Further, as shown in FIG. 3(b), a nonwoven fabric piece 9 made of the same material as the mask body 1 is folded into a ring near the upper corner of the inside of the mask body 1, and the lower end of the ring is attached by welding 14a. The fixing string 3 is passed through the loop of the nonwoven fabric piece 9. The string hook portion 6 on the left side is similar to the right side. As another method for attaching the non-woven fabric piece 9 to the mask body 1, for example, suturing, double-sided adhesive tape, adhesive or the like can be considered. Further, as shown in FIG. 3C, a triangular cushion sheet material 27 is attached to the upper corner of the inside of the mask body 1 in accordance with the shape of the corner with a double-sided adhesive tape of a double-sided adhesive body 28. A gap is provided between the mask body 1 and the cushion sheet material 27, and the fixing string 3 is passed through. A hole may be provided in the cushion sheet material 27 and the fixing cord 3 may be passed through the hole. The cushion sheet material 27 is thinner toward the side closer to the center of the mask body 1. The string hook portion 6 on the left side is similar to the right side. The cushion sheet material 27 has flexibility and resilience, can fit between the face and the mask body 1, and can block dust. Examples of the material include polyethylene foam, urethane foam, natural rubber foam, and synthetic rubber foam. The cushion sheet material 27 is attached to a part of the upper edge of the mask body 1, but in order to prevent exhaled breath or dust from entering between the nose and the mask body 1, the nose of the mask body 1 is prevented. Not to be attached to the upper edge of the periphery, but to be attached to both upper corners of the mask body 1 so that the vicinity of the upper corner of the mask body 1 is caught by the fixing string 3 to stop the movement of the mask body 1. Is. Other methods for attaching the cushion sheet material 27 to the mask body 1 include, for example, suturing, welding, and adhesive. Although the non-woven fabric piece 9 and the cushion sheet material 27 are attached near the upper corners, the material and the shape are not limited as long as they can be attached to the mask body 1 and can be hooked on the fixing cord 3. Further, as shown in FIG. 3(d), two holes 8a through which the fixing cord 3 can be inserted are provided near the corner of the mask body 1 on the upper edge side. A plurality of holes 8a may be arranged vertically or diagonally vertically, and the number of holes 8a may be one or two or more. When the fixing string 3 is passed through one hole 8a and is hooked on the fixing string 3 and there is another hole 8a, it can be used for adjusting the vertical mounting position of the mask body 1, and the number of holes 8a is not limited. The string hook portion 6 on the left side is similar to the right side. Further, as shown in FIG. 3E, the mask body 1 is vertically or obliquely vertically provided near the upper corner of the inside of the mask body 1 so that a clearance through which the fixing cord 3 can be passed is formed. A polypropylene thread 13a made of the same material as the above was attached by welding 14a to form a gap. There may be one or two or more gaps, and the fixing cord 3 is passed through one gap to be hooked on the fixing cord 3. If there is another gap, it is used for adjusting the vertical mounting position of the mask body 1. There is no limitation on the number of gaps. The string hook portion 6 on the left side is similar to the right side. Furthermore, as shown in FIG. 3( f ), polypropylene yarn is provided in the vertical direction so that a clearance through which the fixing cord 3 can be inserted is formed at the side edge of the upper corner inside the mask body 1. 13a was attached by welding 14a to form a continuous gap. There may be one or two or more gaps, and the fixing cord 3 is passed through one gap to be hooked on the fixing cord 3. If there is another gap, it is used for adjusting the vertical mounting position of the mask body 1. There is no limitation on the number of gaps. The left string hook 6 is similar to the right. The thread 13a shown in FIGS. 3(e) and 3(f) can be attached to the mask body 1 by welding, sewing or the like. The thread 13a is not limited to any particular material as long as it can form a gap so that the thread 13a can be hooked on the fixing cord 3.

The shift prevention mask according to claim 1 is mounted on the left and right side edge portions of the mask body so that the mask body is formed with pleats capable of expanding in the vertical direction and the mask body can be mounted on the face. In a pleated mask provided with a string, a fixed string that passes through the inside of the mask body and a string hook portion that hooks on the fixed string near the upper left and right corners of the mask body are provided. It is characterized in that the rib is hooked.
In the invention of the above-mentioned configuration, the fixing cord is an ear root on the left ear, a string hook on the left side of the mask body, a root under the nose, a string hook on the right side of the mask body, on the right ear. Pass through each ear root and tie it behind the head to attach and fix it to the head. The order in which the fixing string passes may be reversed. Another example of attaching and fixing the fixing cord behind the head will be described in an embodiment described later. Wear the straps on your left and right ears and wear the mask body on your face.
The position of fixing the fixing cord of the invention of claim 1 to the head is such that it is hardly moved even when the jaw or neck is moved, and furthermore, it is hung from the bottom to the bottom of the nose. Since it is in a state of being hung from above to the root of the ear above the ear, almost no movement can be maintained. Even if the chin moves greatly due to sneezing, yawning, coughing, talking, etc., it does not affect the displacement. Further, the fixing cord does not slip or slip even if there is sebum or sweat. The fixing string fixed to the head does not move easily even if it is moved up and down by hand.
Since the left and right cord hook portions of the invention according to claim 1 are hooked on the fixed cord that does not move when attached to the head, the upper side of the cord hook portion of the pleated mask body moves downward. I can't. Therefore, even if the chin or neck is moved, the upper portion of the mask main body can maintain the position at the time of wearing the mask attached to the face.
When a commercially available mask is worn on the face and sneezes, yawns, talks, etc., the mask body is pulled by the movement of the jaw and is displaced. However, in the invention according to claim 1, the fixing cord is a hooking portion of the cord. Since it is fixed so that it does not move downward, the upper part of the mask body does not move downward, and the lower part of the mask body moves up and down according to the chin by pleating, but if you close the mouth, the wearing string will Pull the lower part of the mask body back to its original position.
The pulling force of the straps of commercially available masks has been such that the mask body attached does not fall off from the face, but the strap of the invention of claim 1 mainly pulls the mask body away from the face and separates it. The fixed string and the string hook part mainly serve to prevent the mask body from being displaced. Therefore, the pulling force for preventing the attachment string from being displaced is not required, and thus the pulling force can be weakened correspondingly, and the pain when worn on the ear can be reduced. The fixing string can be tied firmly so that the knot tied behind the head does not come loose naturally, and it is sufficient if the knot can be untied after use if there is expansion or contraction of the knot. Since it is a string that is difficult to attach, it is attached to the head without pressing it, so there is no need to pull it into the skin.
Since the fixing cord of the invention according to claim 1 is attached along the face on the inner side where the mask body is attached, the tightness between the mask body and the face is not lowered. Further, the dome shape of the mask main body does not crush or further swell, and the original swelling can be maintained, and the feeling of pressure due to the wearing of the invention according to claim 1 is not felt.

As shown in FIG. 1, the misalignment prevention mask 100 according to the first embodiment has a non-woven fabric mask body 1 formed with pleats capable of expanding vertically in the vicinity of the center in the left-right direction. As can be seen, in the pleated mask 90 having the wearing cords 2 that can be worn on the left and right side edge portions of the mask body 1, the fixing cord 3 that passes through the inside of the mask body 1 and the left and right upper corners of the mask body 1 are provided. A hole 8a is provided near the portion as a string hook portion 6 through which the fixing cord 3 is passed, and the fixing cord 3 is passed through the left and right holes 8a. By passing the fixing cord 3 through the hole 8a, the hole 8a is caught in the fixing cord 3.

If the hole 8a that is the string hooking portion 6 of the misalignment prevention mask 100 has a hole size that has resistance when the fixing string 3 is passed through, the fixing string 3 will not easily come off before use, and there will be no gap between the hole and the airtightness. Enhance sex. If the mask body 1 is made of a non-woven fabric that has no direction in strength or elongation and does not fray, the hole size of the hole 8a does not increase even if it is used continuously. In addition, if the hole 8a has a loose hole size through which the fixing cord 3 passes, as a measure for preventing the fixing cord 3 from coming off from the hole 8a which is the cord catching portion 6 before mounting, the fixing cord 4 is fixed to the fixing cord 3 described later. May be provided. At the portion where the fixing cord 3 contacts the outside of the mask body 1 after passing through the hole 8a, the mask body 1 is lightly sandwiched between the fixing cord 3 and the face. Never lowers. A plurality of holes 8a may be provided to allow the fixing cord 3 to pass through. Further, although not shown, in a modified example of the string hooking portion 6 using the holes 8a, when the mask body 1 is a laminated mask, holes are provided in the inner filter near the upper corners of the mask body 1 to provide a fixing cord. Alternatively, a hole may be formed in the inner or outer filter at the end through which the filter 3 is passed through and a little between the filters in the end direction, and the fixing cord 3 may be brought out of the laminated mask through the hole. Further, although not shown, after passing the fixing cord 3 through the holes 8a of the left and right cord hook portions 6, one hole 8a is closed by stitching or welding to fix the fixing cord 3 to the cord hook portion 6. Good. In this case, the center position of the fixing cord 3 does not shift even if the mounting cord 2 on the side where the fixing cord 3 is fixed is hooked on the ear and the end of the other fixing cord 3 is handled with one hand.

FIG. 3 shows a modified example of the string hooking portion 6 of the shift prevention mask 100, which is a twelve example of the string hooking portion 6 on the right side when viewed from the inside of the mask body 1. Further, the left example of the right side hooking portion 6 and the left side of the right side hooking portion 6 which are paired with each other are omitted because the left side hooking portion 6 is symmetrical with the right side hooking portion 6 of the 12 examples . Further, FIG. 3 is an explanatory view of the string hooking portion 6, the attachment string 2 is omitted, and the upper corner of the mask body 1 is drawn around the string hooking portion 6 as a center. In the example shown in FIG. 3( a ), the upper and lower sides of a non-woven fabric piece 9 of the same material as the mask body 1 are attached by welding 14 a near the upper corner inside the mask body 1, and the space between the mask body 1 and the non-woven fabric piece 9 is attached. The cord catching portion 6 provided with a gap through which the cord passes is in a state in which the fixed cord 3 is passed through the gap and caught by the fixed cord 3. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. Example shown in FIG. 3 (b), cord near corners of the upper inner mask body 1, fitted with a lower end of the wheel in the wheel with the mask body 1 by folding the nonwoven fabric piece 9 of the same material in the welding 14a At the hooking portion 6, the fixing cord 3 is passed through the loop of the nonwoven fabric piece 9 and is hooked on the fixing cord 3. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. As another method of attaching the nonwoven fabric piece 9 of FIGS. 3A and 3B to the mask body 1, for example, suturing, double-sided adhesive tape, adhesive or the like can be considered. In the example shown in FIG. 3C, a triangular cushion sheet material 27 is attached to the upper corner of the inside of the mask body 1 in accordance with the shape of the corner with a double-sided adhesive tape of a double-sided adhesive body 28 to form the mask body. The cord catching portion 6 provided with a gap between 1 and the cushion sheet material 27 allows the fixing cord 3 to pass through the gap and be caught by the fixing cord 3. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. A hole may be provided in the cushion sheet material 27 and the fixing cord 3 may be passed through the hole. The cushion sheet material 27 is thinner toward the side closer to the center of the mask body 1. The left string hook 6 is similar to the right. The cushion sheet material 27 has flexibility and resilience, can fit between the face and the mask body 1, and can block dust. Examples of the material include polyethylene foam, urethane foam, natural rubber foam, and synthetic rubber foam. The cushion sheet material 27 is attached to a part of the upper edge of the mask body 1, but in order to prevent exhaled breath or dust from entering between the nose and the mask body 1, the nose of the mask body 1 is prevented. Not to be attached to the upper edge of the periphery, but to be attached to both upper corners of the mask body 1 so that the vicinity of the upper corner of the mask body 1 is caught by the fixing string 3 to stop the movement of the mask body 1. Is. Other methods for attaching the cushion sheet material 27 to the mask body 1 include, for example, suturing, welding, and adhesive. Although the non-woven fabric piece 9 and the cushion sheet material 27 are attached near the upper corners, the material and the shape are not limited as long as they can be attached to the mask body 1 and can be hooked on the fixing cord 3. The example shown in FIG. 3D is a string hooking part 6 in which two holes 8 a through which the fixing string 3 can be inserted are provided near the upper corner of the mask body 1 . A plurality of holes 8a may be arranged vertically or diagonally vertically, and the number of holes 8a may be one or two or more. When the fixing cord 3 is passed through one hole 8a to be hooked on the fixing cord 3 and there is another hole 8a, it can be used for adjusting the mounting position of the mask body 1 in the vertical direction, and the number of holes 8a is limited. Not a thing. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. In the example shown in FIG. 3( e ), the mask body 1 is vertically (or diagonally vertically) provided near the upper corner of the mask body 1 so that there is a gap through which the fixing cord 3 can pass. This is a string hook portion 6 in which four polypropylene thread 13a made of the same material as the mask body 1 is attached by welding 14a and four gaps are continuously provided. There may be one or two or more gaps, and the fixing cord 3 is passed through one gap to be hooked on the fixing cord 3. If there is another gap, it is used for adjusting the vertical mounting position of the mask body 1. However , the number of gaps is not limited. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. In the example shown in FIG. 3(f) , polypropylene yarn 13a is vertically provided so that a clearance through which the fixing cord 3 can be passed is formed at a side edge portion near the upper corner inside the mask body 1. It is the string hook portion 6 in which four attachment gaps are continuously provided by the welding 14a . There may be one or two or more gaps, and the fixing cord 3 is passed through one gap to be hooked on the fixing cord 3. If there is another gap, it is used for adjusting the vertical mounting position of the mask body 1. However , the number of gaps is not limited. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. The thread 13a shown in FIGS. 3(e) and 3(f) can be attached to the mask body 1 by welding, sewing or the like. The thread 13a is not limited to any particular material as long as it can form a gap so that the thread 13a can be hooked on the fixing cord 3. The example shown in FIG. 3(g) is a string hooking portion 6 provided with five holes 8a through which the fixing string 3 can be inserted, at a position near the side edge of the upper corner of the mask body 1. A plurality of holes 8a may be arranged in the vertical direction, and the number of holes 8a may be one or two or more. When the fixing cord 3 is passed through one hole 8a to be hooked on the fixing cord 3 and there is another hole 8a, it can be used for adjusting the mounting position of the mask body 1 in the vertical direction, and the number of holes 8a is limited. Not a thing. The string hook 6 is caught on the fixed string 3 and the mask body 1 cannot be removed. The left string hook 6 is similar to the right. The example shown in FIG. 3(h) is the string hooking portion 6 in which the hole 8a in FIG. 3(g) is brought closer to the side end. The left string hook 6 is similar to the right. In the example shown in FIG. 3(i), a mesh sheet 24 having holes through which the fixing cord 3 is inserted is formed at the side edge of the upper corner of the mask body 1, and a plurality of holes of the mesh sheet 24 are hooked. It will be designated as section 6. The fixing cord 3 is passed through the holes of the mesh sheet 24 and hooked on the fixing cord 3. The method for attaching the mesh sheet 24 to the mask body 1 includes welding and stitching, but is not particularly limited. The hook part 6 (hole of the mesh sheet 24) is caught by the fixed string 3 and the mask body 1 does not come off. The left string hook 6 is similar to the right. In the example shown in FIG. 3(j), a mesh sheet 24 having holes through which the fixing cords 3 pass is provided on the side edges of the mask body 1 from the top to the bottom, and the mesh sheet 24 near the upper corner of the mask body 1 is provided. The plurality of holes in the mesh sheet 24 are the string hook portions 6. The fixing cord 3 is passed through the holes of the mesh sheet 24 and hooked on the fixing cord 3. The method for attaching the mesh sheet 24 to the mask body 1 includes welding and stitching, but is not particularly limited. The hook part 6 (hole of the mesh sheet 24) is caught by the fixed string 3 and the mask body 1 does not come off. The left string hook 6 is similar to the right. In the example shown in FIG. 3(k), a rectangular mesh sheet 24 having holes through which the fixing cords 3 pass is formed in the upper corners of the mask body 1, and a plurality of holes of the mesh sheet 24 are hooked on the cords. 6 The fixing cord 3 is passed through the holes of the mesh sheet 24 and hooked on the fixing cord 3. The method for attaching the mesh sheet 24 to the mask body 1 includes welding and stitching, but is not particularly limited. The hook part 6 (hole of the mesh sheet 24) is caught by the fixed string 3 and the mask body 1 does not come off. The shape of the mesh sheet 24 is not particularly limited as long as the upper corner of the mask body 1 can be caught. The left string hook 6 is similar to the right. The example shown in FIG. 3(l) is the string hooking portion 6 in which the mesh sheet 24 is attached to the inner upper corner of the mask body 1. The fixing cord 3 is passed through the holes of the mesh sheet 24 and hooked on the fixing cord 3. The shape of the mesh sheet 24 is not particularly limited as long as the upper corner of the mask body 1 can be caught. The method for attaching the mesh sheet 24 to the mask body 1 includes welding and stitching, but is not particularly limited. The edge of the mesh sheet 24 is attached and fixed to the mask body 1. The lower edge of the mesh sheet 24 and the edge on the center side of the mask body 1 are fixed, but the upper edge may or may not be fixed. The hook part 6 (hole of the mesh sheet 24) is caught by the fixed string 3 and the mask body 1 does not come off. The left string hook 6 is similar to the right. The mesh sheet 24 of FIGS. 3(i), 3(j), 3(k), and 3(l) is a yarn made of a fiber having a heat-melting property, and the entanglement points of the warp and the weft are heat-melted. The fixing cord 3 can be passed through a plurality of holes of the mesh sheet 24 by being attached. The shape and size of the hole are not particularly limited. The material of the mesh sheet 24 is not particularly limited, but if the same material as that of the mask body 1 is used, heat bonding to the mask body 1 is easy, which is good. The mesh sheet 24 of the misalignment prevention mask 100 is an example using the same polypropylene as the mask body 1. Since the mesh sheet 24 has a plurality of holes, it can be used for adjusting the vertical mounting position of the mask body 1 by utilizing the vertical and horizontal positions of the holes. When the mesh sheet 24 is used, the attachment string 2 may be attached to the filter portion of the mask body 1, the mesh sheet 24, or the boundary between the filter portion and the mesh sheet 24. Although not shown, the mesh sheet 24 shown in FIGS. 3(i) and 3(j) may be an aging race having a hole through which the fixing cord 3 can pass. Regarding the hole of the aging race through which the fixing string 3 is passed, the hole near the upper corner of the mask body 1 is used as the string hook portion 6. The fixing cord 3 is passed through the hole of the aging race and is hooked on the fixing cord 3. The method of attaching the aging lace to the mask body 1 includes welding and stitching, but is not particularly limited. The hook portion 6 (a hole for an aging race) is caught on the fixed string 3 and the mask body 1 cannot be removed. There is no particular limitation on the material of the aging race as long as it has a hole through which the fixing cord 3 can pass.

The pleated mask 90 includes a mask body 1 having pleats that can be spread in the vertical direction, and attachment strings 2 on the left and right side edge portions of the mask body 1 so that the mask body 1 can be attached to a face. Anything will do. Since the left and right side end portions of the mask main body 1 are welded or sewn, when the mask main body 1 is mounted and expanded in the vertical direction, the vicinity of the center of the mask main body 1 in the horizontal direction expands in the vertical direction. The left and right side edges do not spread. The mask body 1 is a pleated mask body 1 that covers the mouth and nose, suppresses invasion of fine particles such as pollen and dust, suppresses invasion and scattering of viruses and bacteria, and suppresses saliva scattering. Known materials used for general pleated masks can be used. Nonwoven fabrics that can be easily pleated include polyester fibers, polypropylene fibers, polyethylene fibers, rayon fibers, and nylon fibers, but these materials are not limited. The breathable sheet covering the mouth and nose of the mask body 1 is a single sheet or a plurality of sheets (laminated structure), and one or more materials may be used. This is an example in which a polypropylene non-woven sheet is used for the mask body 1 of the shift prevention mask 100. It is preferable that the wearing cord 2 can wear the pleated mask 90 on the face and does not cause pain by flexibly contacting the wearer's ear or head. The material of the wearing cord 2 is urethane fiber or nylon. A woven fabric, a non-woven fabric, or a braid made of fibers, polyester fibers, polypropylene fibers or the like can be used, but other known materials can be used. Polyester fiber, nylon fiber and the like can be used as the covering material, but these materials are not limited. The attachment string 2 of the shift prevention mask 100 is an example using urethane fiber and polyester fiber. By using the ordinary known pleat mask and having the string hooking portion 6 and the fixed string 3, the string hooking portion 6 hooked on the fixed string 3 does not move even if the face moves. The displacement of the pleated mask 90 can be sufficiently prevented, and the displacement preventing mask 100 is obtained. In 14 g of welding, the attachment strings 2 were attached to the left and right side edge portions of the mask body 1 by welding. The attachment string 2 may be attached to the inside and outside of the mask body 1 or between the sheets (in the case of a laminated structure) at the left and right side edge portions, respectively. In addition, it can be attached by a known method such as suturing or an adhesive. In the welding 14g of the non-woven mask, a plurality of holes or gaps are provided in the end portion of the attachment string 2 which is to be joined to the mask body 1, so that the non-woven fabric made of the same material as the mask body 1 and the attachment portion of the attachment string 2 are attached to the mask body 1. There is also a method of sandwiching them and welding the non-woven fabric and the mask body 1 so as to fill the holes or gaps of the attachment string 2 and connect them.

As shown in FIG. 4(a), the left and right fixing cords 3 are passed through an industrial plastic or metal tube 30 as shown in FIG. The fixing cord 3 may be fixed to the tube 30 by pulling one or both of the fixing cords 3. The tube 30 may be slightly tight when the fixing cord 3 passes through. The cross section of the cylinder 30 may be polygonal other than circular. Further, as shown in FIG. 4(b), the left and right fixing cords 3 are hooked and fixed to the industrial hooks 31 made of plastic or metal. 3 a notch 32a provided can induce pass, further, those which the notch 32b is the far side is narrowed to the notch 32a provided on the left and right, the left and right fixed string 3 on the far side of the respective notches 32b It is fixed by hooking it through. The attachment string 2 may be hooked on the left and right ends of the hook stopper 31 in addition to the ear hook, and the pleated mask 90 may be attached to the face. Further, although not shown, the fixing cord 3 may be fixed by using a cord stopper. The cord stopper is a tubular outer cylinder with a hole for passing the cord, an inner cylinder with a hole for passing the cord that can be slidably attached to the outer cylinder, and an arrangement between the outer cylinder and the inner cylinder. A fixed cord 3 having elastic means such as a spring provided therein is inserted between the outer cylinder and the inner cylinder by the elastic restoring force of the elastic means. The movement stops and is fixed. The method of attaching and fixing the fixing string 3 to the head is not limited to these attachment methods, as long as it can be attached without pressing the head, shifting, and coming off. When the fixing cord 3 such as the tube 30, the hooking stop 31, the cord stopper or the like for attaching the fixing cord 3 is used to fix the fixing cord 3, it is easy to finely adjust the tightening force without digging into the skin. Even if the fixing cord 3 is difficult to tie, the fixing cord 3 can be attached to the head by using the attachment 11.

As a measure for preventing the fixing cord 3 of the shift prevention mask 100 from coming off from the cord hooking part 6 before attachment, as in the case of the cord stopper 4 of FIG. Should be provided. Further, as shown in FIG. 5, as a modified example of the cord stopper 4 , the fixing cord 3 is passed through the cord hook portion 6 with a cord stopper film 33 in which two holes 8b are provided in an industrial plastic film . After that, the fixing cord 3 was passed through the two holes 8b so that the fixing cord 3 could not easily come off from the cord hooking portion 6.

Further, as shown in FIG. 9, as a modified example of the rod front frame 15 of the displacement prevention mask 200 according to the second embodiment , a tube is used instead of the rod, and the fixing cord 3 is provided in the tube front frame 15. the through previous frame 15 of the tube is located in the fixed string 3, the front frame 15 of the tube over from the bottom to the top at the base of the lower of the nose, forming beauty both ends of the fixed string 3 behind the head Fix it. Both ends of the front frame 15 of the pipe pass through the holes 8a of the string hooking portion 6 and reach to the front of the ear root on the ear. The relationship between the fixed cord 3 and the front frame 15 of the pipe is not shown, except that the fixed cord 3 is movable through the front frame 15 of the pipe. May be stopped by closing at the end of the front frame 15, or the fixing cord 3 may be attached to the end of the front frame 15 without passing the fixing cord 3 through the front frame 15 of the pipe. The anterior frame 15 of the tube has both sides of the anterior frame 15 of the tube located on the side of the face and can guide the center of the anterior frame 15 of the tube to the base of the nose, without any flexure or flexure. It is sufficient if the elastic force is such that it does not occur significantly. Specifically, general industrial plastics and rubbers are considered, and examples thereof include polyethylene resin, nylon resin, polypropylene resin, polyvinyl chloride resin, silicone rubber, and the like. However, since the elastic property changes depending on the cross-sectional shape, the material is not limited to these materials and may be appropriately selected according to the shape and the like.

The shift prevention mask 302 according to the third embodiment is a modification of the string hooking portion 6 of the shift prevention mask 301 according to the third embodiment, as shown in FIG. Instead of the hole 8a of the string hooking portion 6, a hook-like hook 26 made of industrial plastic or metal is provided near the outer upper corner of the mask body 1 . The hook 26 is used by being hooked on the fixed frame 17 .

DESCRIPTION OF SYMBOLS 1 Mask main body 2 Attachment string 3 Fixed string 4 String stop part 5 Nose piece 6 String hook part 7 Face side 8a Hole 8b Hole 9 Nonwoven fabric piece 10 Guide part 11 Attachment tool 12 String attachment part 13a Thread 13b Thread 14a Welding 14b Welding 14c Welding 14d Welding 14f Welding 14g Welding 15 Front frame 17 Fixed frame 18 Ear hooking portion 19 Connecting portion between the front frame and the fixing cord 20 Hooking portion 21 Ring 22 Hook hooking tool 23 Mounting piece
24 Mesh Sheet 26 Hook 27 Cushion Sheet Material 28 Double-sided Adhesive 30 Tube 31 Hook Stopper 32a Notch 32b Notch 33 Strapping Film 90 Pleated Mask 100 Misalignment Mask 200 Misalignment Mask 300 Misalignment Mask 301 Misalignment Mask 302 Misalignment Prevention mask 400 Displacement prevention mask 401 Displacement prevention mask

Claims (4)

A mask body with pleats that can spread in the vertical direction,
In a pleated mask provided with attachment strings on the left and right side edge portions of the mask body so that the mask body can be attached to a face,
A fixing string that passes through the inside of the mask body,
In the vicinity of the left and right corners on the upper edge side of the mask body, there is a string hooking part hooked on the fixing string,
A misalignment prevention mask characterized in that the left and right string hooking parts are hooked on the fixed string. The shift prevention mask according to claim 1, wherein the center portion of the fixing cord is a front frame formed of a substantially U-shaped rod or tube. The shift prevention mask according to claim 1,
In place of the fixing cord, a fixing frame composed of a substantially U-shaped rod or tube passing inside or outside the mask body is provided,
The both ends of the fixed frame are provided with ear hooks for hanging on the ears,
A misalignment prevention mask, wherein the left and right string hooking parts are hooked on the fixed frame. The mask body is provided with a hook portion in the central portion from the inner upper edge,
When the mask body is attached to the face, the hooking portion is hooked near the tip of the nose so that the mask body does not shift upward.
The shift prevention mask according to claim 1, wherein the center of the fixing cord is attached to the hooking portion.

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