JP2022143921A - Hygienic mask, mask manufacturing method and mask manufacturing device - Google Patents

Abstract

To provide a hygienic mask which can maintain a basic shape and a manufacturing process of a current hygienic mask as much as possible without largely changing them and can maximize benefits of a sheet of a natural material by using a method of directly bonding the sheet of the natural material with water absorption property such as cotton to a nonwoven fabric by supersonic wave deposition.SOLUTION: A hygienic mask has a mask part for covering a mouth when worn. The mask part is constituted of a nonwoven fabric, and a nose clip which allows it to conform to a shape of a nose when worn is attached to an upper end side of the mask part. The mask includes a sheet 39 made of a natural material which is softer than the nonwoven fabric and has water absorption property, and the sheet 39 is arranged at least at a position for covering the nose clip on a side which contacts a face when worn and is directly ultrasonically welded to the nonwoven fabric. The sheet 39 is impregnated with a component exhibiting moisturizing and/or cosmetic effects.SELECTED DRAWING: Figure 3

Description

There is an application for exception to loss of novelty

TECHNICAL FIELD The present invention relates to a sanitary mask, a mask production method, and a mask production apparatus, and more particularly to a sanitary mask and the like having a mask portion that covers the mouth when worn.

The applicant is a company famous for manufacturing and selling masks using antibodies derived from ostrich eggs. As described in Patent Documents 1 and 2, the applicant has continued to develop sanitary masks to maintain a three-dimensional shape, and has continued to devise ways to secure a space around the mouth to prevent lipstick or the like from sticking to it.

FIG. 5 is a diagram showing a manufacturing process of a conventional disposable sanitary mask disclosed in Patent Document 1 disclosed by the applicants. FIG. 6 is a diagram showing the manufacturing process of the conventional disposable sanitary mask of Patent Document 2 shown by the applicants, improved from FIG. Hereinafter, in the disposable sanitary mask, the part that covers the mouth when worn is called "mask body", and the part that is hung on the ear is called "ear hook part".

5, mask production apparatus 51 includes nonwoven fabrics 53, 55 and 57, nose clip 61, first welded portion 63, second welded portion 65, folding portion 67, and third welded portion 69. , a cutting portion 71 , and an ear strap attaching portion 73 . The nonwoven fabrics 53, 55 and 57 constitute the mask body in three layers. The first welded portion 63, the second welded portion 65, and the third welded portion 69 are subjected to an ultrasonic welding process. The first welding part 63 performs a three-dimensional shape maintaining function welding process on the two layers of the nonwoven fabrics 53 and 55 to maintain the three-dimensional shape. The second welding part 65 embeds the nose clip 61 in the non-woven fabrics 53, 55 and 57 by welding, and welds both upper and lower sides of the mask main body facing each other. The folding unit 67 folds the mask body and performs pleat processing. The third welding part 69 welds both sides of the mask body to be connected to the ear hook part in a state where the mask body is folded. The cutting section 71 cuts individual mask bodies from a continuous state. Ear strap attachment portions 73 attach ear straps to both sides of the mask body. Thereby, a disposable sanitary mask having a mask body and ear hooks can be produced.

Referring to FIG. 6, mask production apparatus 81 further includes resin member 59 in addition to the configuration of mask production apparatus 51 . The resin member 59 has a property that even if it is bent once, it can be expanded again and maintain the expanded shape. Since the resin member 59 is included, it is necessary to adjust the thickness and the like for processing the mask body. The same welding process as that of 51 is performed. Specifically, four layers of the nonwoven fabrics 53, 55 and 57 and the resin member 59 constitute a mask body that covers the mouth when worn. The first welding part 63 performs a three-dimensional shape maintaining function welding process for maintaining the three-dimensional shape of the three layers having the resin member 59 between the nonwoven fabrics 53 and 55 . The second welding part 65 embeds the nose clip 61 in the non-woven fabrics 53, 55 and 57 and the resin member 59 by welding, and welds both upper and lower sides of the mask main body facing each other. The folding unit 67 folds the mask body and performs pleat processing. The third welding part 69 welds both sides of the mask body to be connected to the ear hook part in a state where the mask body is folded. The cutting section 71 cuts individual mask bodies from a continuous state. Ear strap attachment portions 73 attach ear straps to both sides of the mask body. Thereby, a disposable sanitary mask having a mask body and ear hooks can be produced.

By the way, problems with masks tend to occur in the nose part, and in addition to using a nose clip as described above, there is a tendency that breath tends to rise and glasses tend to fog up. , a technique has been developed in which a water-absorbent sheet containing a water-absorbent resin is wrapped in a fabric and a strip-shaped water-absorbing member is provided along the left-right direction inside and at the upper end of the mask body.

Furthermore, a technique of providing a cushion member on the upper part of the mask as shown in Patent Document 4, a technique of providing a blocking portion for blocking exhalation as shown in Patent Document 5, and the like have been developed.

Japanese Unexamined Patent Application Publication No. 2012-035006 JP 2014-033973 A JP 2016-137129 A Japanese Unexamined Patent Application Publication No. 2020-050996 JP 2019-143289 A

However, from the user's point of view, the applicant does not feel that the development of the three-dimensional shape maintenance alone can solve the user's problem, and the force of the contact part while reducing the contact part between the sanitary mask and the face as much as possible. Recognizing the importance of the balance in how the nose is applied, we have continued to make ingenuity, but we have recognized that there are still unresolved issues regarding the nose area. Specifically, when a nose clip is used, the upper side of the sanitary mask follows the shape of the nose, which increases sealing performance, but the overall load of the mask tends to be applied to the upper side, such as the position of the nose. It was found that there was an increase in discomfort when wearing a mask. In view of this recognition, the techniques of Patent Documents 3 to 5 are large-scaled, and not only do the shapes of the masks change significantly from the current state, but there is also the problem that the manufacturing process is also forced to change significantly. rice field.

Specifically, for example, in Patent Document 3, in addition to the need for a water-absorbing sheet, a cloth is also required, and the shape of the mask changes greatly by these amounts, and the mask described in paragraph number 0043 of Patent Document 3 There is a problem in the manufacturing process that it is necessary to attach the water-absorbing sheet with an adhesive. In addition, as far as it is understood in Patent Document 3 (see paragraphs 0028, 0029, and 0031), it is assumed that any of knitted fabric, woven fabric, and nonwoven fabric is used as the fabric, and "the fabric is a hydrophilic fabric. Then, the moisture in the exhaled breath is easily absorbed by the fabric, and the absorbed exhaled breath is further absorbed by the absorbing member.As a result, the spectacles are more resistant to fogging, which is more preferable.Such a hydrophilic fabric is, for example, cotton. , Hemp, rayon, super absorbent fibers, microfibers, and fabrics made of fibers such as modified cross-section yarns and yarns with different fineness. Examples include sewing, adhesives, ultrasonic fusing, use of "Velcro" (trademark), and the like. ” is written.

By the way, it is known that cotton does not stick to cotton by ultrasonic welding, and it was common knowledge in the mask industry that neither cotton nor non-woven fabric stick to each other by ultrasonic welding. I was able to notice that it is possible by experimenting that cotton and non-woven fabric can be directly attached by ultrasonic welding without using ultrasonic welding.

Therefore, the present invention uses the fact that a sheet of natural material with water absorption such as cotton can be directly attached to a nonwoven fabric by ultrasonic welding, and the basic shape and manufacturing process of the current sanitary mask can be changed. To provide a sanitary mask, a method for producing a mask, and a mask producing apparatus which maintain as much as possible without changing greatly and make the best use of the merits of a sheet made of natural materials.

A first aspect of the present invention has a mask part that covers the mouth when worn, the mask part is made of non-woven fabric, and the upper end of the mask part can be fitted along the shape of the nose when worn. In a sanitary mask with a nose clip attached, a sheet having water absorbency made of a natural material softer than the nonwoven fabric is placed at least at a position covering the nose clip on the side that contacts the face when worn, and ultrasonic waves are directly applied to the nonwoven fabric. A sheet to be welded is provided, and the sheet is impregnated with a component exhibiting moisturizing and/or cosmetic effects. In addition, it is sufficient that the ingredients that exhibit moisturizing and/or cosmetic effects are impregnated, and it does not matter whether the sheet is dry or not. Further, if the sheet is dry, it does not matter whether it is dried at the finishing stage, dried before the roll, dried at the roll stage, or dried during transport from the roll to the finished stage. In view of the reliability of the welding, it is preferable that the parts are dry before the ultrasonic welding.

According to a second aspect of the present invention, in the first aspect, the sheet is a component exhibiting moisturizing and/or cosmetic effects that has been impregnated by absorbing moisture contained in the breath when the sheet is worn from a dry state before wearing. It is characterized by being in a state where the is exuded.

According to a third aspect of the present invention, in the first or second aspect, the sheet is a cotton sheet.

A fourth aspect of the present invention has a mask part that covers the mouth when worn, the mask part is made of non-woven fabric, and the upper end of the mask part can be fitted along the shape of the nose when worn. In the mask production method for producing a sanitary mask with a nose clip attached, the nonwoven fabric is wound into a roll, and a sheet of natural material softer than the nonwoven fabric is also wound into a roll, and the natural material is wound into a roll. conveying the sheet while positioning it so that it covers at least the nose clip on the side that contacts the face when worn; and directly ultrasonically welding the sheet of natural material to the nonwoven fabric, The step of ultrasonically welding is characterized in that the tensile tension applied to the natural material sheet is smaller than the tensile tension applied to the nonwoven fabric during welding, and the conveying step comprises: A guide prevents the sheet from being shifted in a direction perpendicular to the conveying direction.

According to a fifth aspect of the present invention, in the fourth aspect, the sheet is a sheet having water absorption properties, and a step of impregnating the sheet with a component exhibiting a moisturizing and/or cosmetic effect; The sheet further comprises the steps of drying the sheet impregnated with an ingredient that exerts a cosmetic effect, and winding the dried sheet into a roll shape, wherein the sheet is dried from a dry state before wearing to a moisture contained in the breath when the sheet is worn. It is characterized by the fact that by absorbing water, the infused ingredients exhibiting moisturizing and/or cosmetic effects are exuded.

According to a sixth aspect of the present invention, in the fourth or fifth aspect, the nonwoven fabric is plural, the mask part of the sanitary mask is formed of plural nonwoven fabrics forming plural layers, and the natural material sheet is The natural material sheet, which is folded at the upper end side of the mask portion and arranged on both the side that contacts the face when worn and the side that does not contact the face when worn, and positioned outside the plurality of layers of nonwoven fabric; Multiple layers of non-woven fabric are directly welded together.

A seventh aspect of the present invention has a mask part that covers the mouth when worn, the mask part is made of non-woven fabric, and the upper end of the mask part can be fitted along the shape of the nose when worn. A mask production apparatus for producing a sanitary mask to which a nose clip is attached, comprising: a nonwoven fabric roll obtained by winding the nonwoven fabric in a roll shape; a sheet roll obtained by winding a sheet of a natural material softer than the nonwoven fabric in a roll shape; A nonwoven fabric conveying means for conveying the nonwoven fabric pulled out from the nonwoven fabric roll while applying a first tension to the nonwoven fabric, and a natural material sheet pulled out from the sheet roll and conveying the sheet while applying a second tension to the nonwoven fabric. a conveying means; a positioning means for positioning the natural material sheet conveyed by the sheet conveying means so as to at least cover the nose clip on the side that contacts the face when worn; and the conveyed and positioned sheet. and a welding means for directly welding the transported nonwoven fabric using ultrasonic waves, wherein the tension of the second tension applied to the sheet of natural material is the tension of the first tension applied to the nonwoven fabric. It is characterized in that the tension is smaller than the tension, and the deviation of the sheet in the direction perpendicular to the conveying direction is prevented by the guide of the positioning means.

According to the first to third aspects of the present invention, a water-absorbent sheet made of a natural material softer than a nonwoven fabric is arranged at least at a position covering the nose clip on the side that comes into contact with the face when worn, and is directly attached to the nonwoven fabric. A sheet to be sonic welded is provided. As a result, first of all, it is possible to make a product that does not have a large change in shape from the conventional one. Next, the sheet, which is softer than the non-woven fabric, comes into contact with the skin such as the nose, and the nose clip is particularly hard to maintain its shape. It becomes more noticeable when used for a long period of time, and it becomes comfortable for the user. In particular, the sheet is made of a natural material such as cotton, and can be made less prone to rough skin. Since the water-absorbing sheet is impregnated with a component that exerts a moisturizing and/or cosmetic effect, the sheet exhibits the moisturizing and/or cosmetic effect for a long time while absorbing the moisture of the breath. Become. In particular, for those who are concerned about their eyes, if you wear it for a long time during the day or when you are sleeping, in addition to the original effect as a mask, you can expect improvement such as wrinkles and sagging. can become possible.

In addition, according to the fourth to seventh aspects of the present invention, since the water-absorbent sheet made of natural material softer than nonwoven fabric is not pulled under tension unlike nonwoven fabric, the softness of the natural material can be maintained. At the same time, water absorption can be maintained. Thereby, as in the first to third aspects, it is possible to produce a mask capable of exhibiting moisturizing and/or cosmetic effects for a long period of time. Moreover, the sheet and the non-woven fabric can be directly adhered by ultrasonic welding, making it possible to eliminate the need to significantly change the manufacturing process.

1 is a schematic block diagram of a mask production apparatus for producing sanitary masks, which is an example of an embodiment of the present invention; FIG. FIG. 4 is a schematic block diagram of a mask production apparatus for producing sanitary masks, which is another example of an embodiment of the present invention; It is a figure which shows (a) the front (the outer side which does not touch a face), and (b) the back (the inner side which touches a face) of the sanitary mask trial-produced with the mask production apparatus of FIG. FIG. 4 is a diagram showing a specific state of a multilayer structure including natural material sheets of a nose clip portion positioned from above and below by ultrasonic welding of the prototype sanitary mask of FIG. 3 ; 1 is a schematic block diagram of a mask production apparatus for producing conventional sanitary masks; FIG. FIG. 3 is a schematic block diagram of a mask production apparatus for producing another conventional sanitary mask.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the present invention is not limited to this embodiment.

FIG. 1 is a schematic block diagram of a mask production apparatus for producing sanitary masks, which is an example of an embodiment of the present invention. The mask production apparatus 1 includes nonwoven fabrics 3, 5 and 7, a sheet 6 made of natural material such as cotton and having water absorption properties, a nose clip 11, a positioning (guide) portion 12, and a first welding portion 13. , a second welding portion 15 , a folding portion 17 , a third welding portion 19 , a cutting portion 21 , and an ear strap attaching portion 23 . The nonwoven fabrics 3, 5 and 7, the nose clip 11, the first welded portion 13, the second welded portion 15, the folded portion 17, the third welded portion 19, the cut portion 21, and the ear strap attaching portion 23 are the nonwoven fabrics of FIG. 53, 55 and 57, nose clip 61, first welded portion 63, second welded portion 65, folding portion 67, third welded portion 69, cutting portion 71, and ear strap attachment portion 73, Description is basically omitted. The sheet 6 and the positioning (guide) portion 12, which are made of natural materials such as cotton and have water absorption properties, will be described below.

A sheet 6 made of a natural material such as cotton and having water absorbency is softer than the nonwoven fabrics 3, 5 and 7 and is arranged at least at a position covering the nose clip 11 on the side that contacts the face when worn. 2 A sheet that is ultrasonically welded directly to the nonwoven fabrics 3, 5 and 7 by the welding part 15. This sheet 6 is impregnated with a component that exerts a moisturizing and/or cosmetic effect and is dried into a roll after being dried.

Tensile tensions F1, F2, and F3 are respectively applied to the nonwoven fabrics 3, 5, and 7 during transportation, but the tensile tension f applied to the sheet 6 during transportation is smaller than F1, F2, F3. It's becoming This gives priority to being a soft seat made of natural materials, and tries to keep the tension as low as possible. Due to such measures, the water absorbency and softness are maintained at a high level, and when the user uses it, it is comfortable to wear. In particular, since it has high water absorption, it can absorb the moisture contained in the breath, and the moisture and the ingredients that exhibit moisturizing and/or cosmetic effects are combined to provide a moisturizing effect and/or cosmetic effect on the skin. An effective mask is obtained.

Here, since the sheet 6 has a loose tension f compared to F1, F2, and F3, there is a possibility that the sheet 6 may be displaced in the direction perpendicular to the conveying direction. is positioned so as to cover at least the nose clip 11 on the side that comes into contact with the face when worn. Here, the sheet 6 may be placed only on the side that comes into contact with the face when worn, but the nose clip 11 is attached to both the side that comes into contact with the face when worn and the side that does not come into contact with the face when folded from the upper side of the mask portion. may be placed to cover the

The second welded portion 15 joins the sheet 6 and the nonwoven fabrics 3, 5 and 7 by direct ultrasonic welding without using an adhesive or the like. Here, we have confirmed that cotton and cotton cannot be adhered by direct ultrasonic welding without using an adhesive, etc., and both cotton and non-woven fabric can be adhered by direct ultrasonic welding. It was common knowledge that there was no such thing, but as a result of experiments, it was found that they could stick together (see FIG. 3). This finding leads to the elimination of the need to drastically change the shape change and the elimination of the need to drastically change the manufacturing process.

FIG. 2 is a schematic block diagram of a mask production apparatus for producing sanitary masks, which is another example of the embodiment of the present invention.

Differences from FIG. 1 will be described. The mask production apparatus 2 includes a resin member 9 in addition to the configuration of the mask production apparatus 1 shown in FIG. This resin member 9 is the same as the resin member 59 shown in FIG. Even when the resin member 9 is used in this manner, a mask can be obtained using the sheet 6 made of natural material such as cotton and having water absorbability.

FIG. 3 is a diagram showing (a) the front (outer side not in contact with the face) and (b) the back (inner side in contact with the face) of the sanitary mask manufactured by the mask production apparatus 2 of FIG. FIG. 4 is a diagram showing a specific state of the multi-layered structure of the prototype sanitary mask of FIG. 3 including natural material sheets of the nose clip portion positioned from above and below by ultrasonic welding. Specifically, FIG. 4 shows the laminated structure of the DD line cross section between the ultrasonic welding B that positions the nose clip portion of the circle A part in FIG. 3 above and the ultrasonic welding C that positions it below. showing.

As an example of the sanitary mask of the present invention, a sanitary mask manufactured by trial using the mask production apparatus 2 of FIG. 2 will be specifically described with reference to FIGS. 3 and 4. FIG.

The outermost layer is a cotton layer 39, which is folded back at the top and positioned to cover the nose clip 36 both outwardly and inwardly. Between the nose clip 36 and the cotton layer 39, a non-woven fabric layer 37, which serves as the surface layer of the inner mask portion (main body), is folded at the upper end side and arranged so as to cover the nose clip 36. It is configured as The cotton layer 39 and the non-woven fabric layer 37 are not folded back until they extend to the mask portion (body) and essentially remain in place over the nose clip 36, so that the mask of FIG. In the part (main body), the surface layer is the nonwoven fabric layer 31 . The mask portion (main body) has a four-layer structure of a nonwoven fabric layer 37, a resin member 35, a nonwoven fabric layer 33, and a nonwoven fabric layer 31 from the bottom.

In the above embodiments, the mask portion (main body) has the three-layer mask shown in FIG. 1 and the four-layer mask shown in FIG. 2, but may have one to two layers or five or more layers.

Further, in the above-described embodiment, although the first welding portion 13 is provided in FIGS. 1 and 2, it is not necessarily essential, and the manufacturing process may omit this.

Furthermore, in the above embodiment, the natural material sheet 6 is impregnated with a component that exhibits moisturizing and/or cosmetic effects, and is dried to form a roll after being dried. It may be in a wet state or in a wet state.

Reference Signs List 1, 2 Mask production device 3, 5, 7 Nonwoven fabric 6 Sheet 11 Nose clip 12 Positioning part (guide) 15 Second welding Department

Claims (7)

A sanitary mask having a mask part that covers the mouth when worn, the mask part being made of non-woven fabric, and a nose clip attached to the upper end of the mask part that allows it to fit along the shape of the nose when worn. ,
A sheet that is a water-absorbing sheet made of a natural material that is softer than the nonwoven fabric and that is placed at least at a position that covers the nose clip on the side that contacts the face when worn and is directly ultrasonically welded to the nonwoven fabric;
A sanitary mask, wherein the sheet is impregnated with a component exhibiting moisturizing and/or cosmetic effects. The sheet is characterized in that the sheet absorbs moisture contained in the breath during wearing from a dry state before wearing to a state in which a component that exerts a moisturizing and/or cosmetic effect permeates and oozes out. 1. The sanitary mask according to 1. 3. The sanitary mask according to claim 1, wherein said sheet is a cotton sheet. A sanitary mask having a mask part that covers the mouth when worn, the mask part being made of non-woven fabric, and a nose clip attached to the upper end of the mask part that allows it to fit along the shape of the nose when worn. In the mask production method to be produced,
The nonwoven fabric is wound into a roll,
A sheet of natural material softer than the nonwoven fabric is also wound into a roll,
a step of conveying while positioning the natural material sheet so that it is at least positioned to cover the nose clip on the side that contacts the face when worn;
ultrasonically welding the sheet of natural material directly to the nonwoven;
The ultrasonic welding step is characterized in that the tensile tension applied to the natural material sheet is smaller than the tensile tension applied to the nonwoven fabric during welding,
The mask production method, wherein in the conveying step, the sheet is prevented from being shifted in a direction perpendicular to the conveying direction by a guide. The sheet is a sheet having water absorption,
a step of impregnating the sheet with a component that exerts a moisturizing and/or cosmetic effect;
a step of drying the sheet impregnated with the ingredients exhibiting moisturizing and/or cosmetic effects;
and winding the dried sheet into a roll;
The sheet is characterized in that the sheet is changed from a dry state before wearing to a state in which a component that exhibits moisturizing and/or cosmetic effects permeated by absorbing moisture contained in the breath when worn is exuded. 5. The mask production method according to 4. The mask portion of the sanitary mask has a plurality of nonwoven fabrics, and the mask portion of the sanitary mask forms a plurality of layers. Claim 4 or wherein the natural material sheet and the plurality of layers of nonwoven fabric, which are sometimes arranged on both sides not in contact with the face and positioned outside the plurality of layers of nonwoven fabric, are directly welded together. 5. The mask production method according to 5. A sanitary mask having a mask part that covers the mouth when worn, the mask part being made of non-woven fabric, and a nose clip attached to the upper end of the mask part that allows it to fit along the shape of the nose when worn. In the mask production equipment to produce,
a non-woven fabric roll that winds the non-woven fabric into a roll;
a sheet roll wound in a roll shape from a sheet made of a natural material softer than the nonwoven fabric;
nonwoven fabric conveying means for conveying the nonwoven fabric pulled out from the nonwoven fabric roll while applying a first tension to the nonwoven fabric;
a sheet conveying means for conveying the natural material sheet pulled out from the sheet roll while applying a second tension to the sheet;
a positioning means for positioning the natural material sheet conveyed by the sheet conveying means so as to cover at least the nose clip on the side that contacts the face when worn;
a welding means for directly welding the conveyed and positioned sheet and the conveyed nonwoven fabric using ultrasonic waves,
The second tension applied to the natural material sheet is smaller than the first tension applied to the nonwoven fabric,
A mask production apparatus, wherein the deviation of the sheet in the direction perpendicular to the conveying direction is prevented by the guide of the positioning means.

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