JP7414368B2 - shield - Google Patents

Description

One form of the present invention relates to a mask shield and an eye protection method.

2. Description of the Related Art Hitherto, a mask with a shield is known as a mask for protecting the eyes of a user wearing the mask. For example, Patent Document 1 listed below describes a mask with a shield in which a region near the lower edge of the shield and a region near the upper edge of the mask are overlapped, and the shield is fixed to the surface of the mask by welding or adhesive. There is.

Japanese Unexamined Patent Publication No. 2-172462

BACKGROUND OF THE INVENTION In recent years, the medical industry has recognized the need to wear eye protection to protect health care workers and patients from splashing and droplet infections of blood, body fluids, and other fluids. Here, in the above-mentioned mask with a shield, the shield and mask are fixed, so when performing work that requires protection of the eyes, the user must remove the mask he is already wearing. I had to wear a mask with a shield. Furthermore, since masks with shields generally have a larger area than regular masks, there is a need for products that are easier to store and handle. Therefore, there is a demand for protective equipment for protecting the eyes that is highly convenient for medical workers.

A shield according to one embodiment of the present invention is a shield that protects the eyes of a user wearing a non-woven fabric mask, and is formed on the lower edge side of the shield, overlapped with the non-woven fabric mask, and attached to the non-woven fabric mask. The shield includes an attachment part and an eye protection part formed on the upper edge side of the shield and capable of protecting the user's eyes, and the attachment part has a connection part that is removably fixed to the nonwoven fabric mask. There is.

According to such a configuration, the attachment portion on the lower edge side of the shield is formed with a connecting portion that is detachably fixed to the nonwoven fabric mask. Thereby, when the attachment part is superimposed on the nonwoven fabric mask, the connecting part is removably fixed to the nonwoven fabric mask, thereby attaching the shield to the nonwoven fabric mask. With such a configuration, the shield can be attached without removing the nonwoven mask from the user's face while the nonwoven mask is being worn by the user. Therefore, when performing work that requires protecting the eyes, the user only needs to attach the shield to the non-woven mask that is already worn, and after completing the work, the user can simply attach the shield to the non-woven mask while wearing the non-woven mask. Just remove it. Further, the shield can be treated as a member independent of the mask. As described above, it is possible to improve the convenience of handling the shield for protecting the eyes.

In a shield according to another embodiment, the connection strength of the connection portion to the nonwoven mask may be 0.05N or more.

In another embodiment of the shield, the coupling portion may be constituted by a mechanical engagement means having an engagement element.

In another embodiment of the shield, the connecting portion may be made of adhesive.

In another embodiment of the shield, the adhesive may have a bonding strength of 1.5N or less to the nonwoven mask.

In a shield according to another embodiment, a cutout may be formed in the lower edge at a position corresponding to a portion of the nonwoven mask that covers the nose.

In the shield according to another embodiment, the connecting portions may be formed at least at positions corresponding to both end portions in the width direction of the nonwoven mask.

According to one aspect of the present invention, it is possible to improve the convenience of handling a shield for protecting the eyes.

An eye protection method according to one embodiment of the present invention is an eye protection method for protecting the eyes of a user wearing a non-woven fabric mask, in which a shield having a coupling part that is removably fixed to the non-woven fabric mask is attached to the non-woven fabric mask. Attach it to a non-woven mask through the shield to protect the eyes.

In another aspect of the eye protection method, a shield may be attached to a non-woven mask worn by a user, and the shield may be removed from the non-woven mask worn by a user.

FIG. 1 is a perspective view showing how a shield according to an embodiment of the present invention is used. FIG. 2(a) is a front view showing the state before the shield according to the embodiment of the present invention is attached to the nonwoven fabric mask, and FIG. 2(b) is a front view showing the state before the shield according to the embodiment of the present invention is attached to the nonwoven fabric mask. FIG. FIG. 3(a) is a schematic cross-sectional view when a mechanical engagement means is employed as the connecting portion, and FIG. 3(b) is a schematic cross-sectional view when an adhesive is employed as the connecting portion. FIGS. 4(a) to 4(c) are diagrams showing shields according to modified examples. FIGS. 5(a) to 5(c) are diagrams showing examples of mechanical engagement means. FIGS. 6(a) to 6(d) are diagrams showing examples of mechanical engagement means. FIG. 7 is a table showing experimental results of the shield according to the example. FIG. 8 is a table showing the experimental results of the shield according to the comparative example. FIG. 9 is a table showing experimental results of the shield according to the example.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in the following description, the same or equivalent elements are given the same reference numerals, and redundant description will be omitted. In the following description, the terms "upper" and "lower" will be used based on the state when the shield and nonwoven mask are worn by the user.

FIG. 1 is a perspective view showing how the shield 1 according to the present embodiment is used. FIG. 2(a) is a front view showing a state before the shield 1 according to the present embodiment is attached to the nonwoven fabric mask 2. FIG. FIG. 2(b) is a front view showing a state in which the shield 1 according to the present embodiment is attached to a nonwoven fabric mask. As shown in FIGS. 1 and 2, the shield 1 is a member that is detachably attached to a nonwoven fabric mask 2 for covering the user's mouth and nose area, and is for covering the user's eye area.

The nonwoven fabric mask 2 is formed of a rectangular mask member, and may be composed of a single member or a multilayer member. A flexible metal insert (not shown) may also be provided along the edge 2a over the bridge of the nose. Rubber strings 3 for hanging around the ears are attached to both ends 2c, 2c in the width direction (long side direction) of the nonwoven fabric mask 2. Note that the manner in which the nonwoven fabric mask 2 is attached is not particularly limited, and it does not have to be a type that is hung over the ears, and may be a type that is tied with a string behind the head. The front surface 2d of the nonwoven fabric mask 2 is the surface to which the shield 1 is attached. The nonwoven fabric mask 2 has at least the front surface 2d made of a nonwoven fabric. However, a part of the mask member constituting the nonwoven fabric mask 2 may include a member other than the nonwoven fabric.

The shield 1 is a member that protects the eyes of a user who wears the nonwoven mask 2. The shield 1 is formed on the lower edge 12 side of the shield 1, is overlapped with the non-woven fabric mask 2, and has an attachment part E1 attached to the non-woven fabric mask 2, and is formed on the upper edge 11 side of the shield 1, and is overlaid on the non-woven fabric mask 2. An eye protection part E2 that can protect the eyes of a person is provided. In the shield 1, the attachment part E1 on the lower edge 12 side is overlapped with the front surface 2d of the nonwoven fabric mask 2, and the shield 1 is detachably attached with the nonwoven fabric mask 2 attached to the human body. A connecting portion 20 that is detachably fixed to the nonwoven fabric mask 2 is formed in the attachment portion E1. The shield 1 is formed from a transparent and flexible planar member. As the material of the shield 1, polyester, acrylic acid resin, polycarbonate, polystyrene, etc. are used. The polymeric film from which the shield 1 is formed is between 0.05 mm and 0.25 mm thick, most preferably 0.1 mm thick, giving the shield 1 the desired flexibility. The term "flexible" means that the material from which the shield 1 is formed has a modulus of elasticity of about 400 MPa to 7,000 MPa, preferably about 1,200 MPa to 5,000 MPa, most preferably about 1,350 MPa to 3,500 MPa. It means something.

The shape of the shield 1 according to this embodiment will be explained. However, the shape and size of the shield 1 according to the embodiment are merely examples, and any configuration may be used as long as it can be attached to the nonwoven fabric mask 2 and protect the user's eyes. It may be. As shown in FIG. 2, the shield 1 has a lower edge 12, which is the edge connected to the nonwoven fabric mask 2 (i.e., the lower side when the nonwoven fabric mask 2 is in use), and a lower edge 12, which is the edge opposite to the lower edge 12. It has an upper edge portion 11 that is the edge of the nonwoven fabric mask 2 (that is, the upper tip portion in the state of use of the nonwoven fabric mask 2), and both edge portions 13, 13 that are edges in the width direction of the nonwoven fabric mask 2. The upper edge 11 extends along the width direction of the shield 1 in a position spaced apart from the edge 2a of the nonwoven fabric mask 2 at the time of attachment, so as to draw an arc protruding toward the opposite side of the lower edge 12. ing. The dimension L1 between the apex 11a of the upper edge 11 (the point farthest from the edge 2a of the nonwoven fabric mask 2) and the lower edge 12 is set to 100 to 150 mm, although it is not particularly limited. An extension part 14 extending along the width direction is formed on the lower edge part 12 of the shield 1, and a V-shaped notch part 16 is formed at the center position in the width direction. That is, a notch 16 is formed in the lower edge 12 of the shield 1 at a position corresponding to the portion of the nonwoven fabric mask 2 that covers the nose. The depth L2 of the notch 16 is not particularly limited, but is set to 10 to 25 mm. Furthermore, the angle α of the notch 16 is not particularly limited, but is set to 45 to 135°. The extending portions 14 are formed on both sides in the width direction with the notch 16 located at the center in between. In this embodiment, the extension part 14 extends to the outside of both ends 2c, 2c of the nonwoven fabric mask 2 at the time of attachment. Further, both edge portions 13, 13 extend obliquely so as to widen toward the upper edge portion 11 side. The shield 1 is divided into a base portion 17 provided in a region near the center position in the width direction and corresponding to both eyes of the user, and lateral portions 18 provided on both sides of the base portion 17 in the width direction. Ru. The lateral portion 18 is configured to extend toward the user's ear during use. The dimension L3 between the tips 18a, 18a in the width direction of the lateral portion 18, that is, the total length of the shield 1 in the width direction, is set to 180 to 350 mm, although it is not particularly limited. In such a shield 1, at least a region closer to the lower edge portion 12 than the center position in the vertical direction is defined as the attachment portion E1. Further, a region closer to the upper edge 11 than the attachment portion E1 is defined as an eye protection portion E2.

The connecting portion 20 of the shield 1 will be explained. The connecting portion 20 is for attaching the shield 1 to the nonwoven fabric mask 2 by connecting it to the nonwoven fabric mask 2. The connecting portion 20 can be disconnected from the non-woven mask 2, and the disconnection allows the shield 1 to be removed from the non-woven mask 2. Further, the connecting portion 20 may be capable of repeatedly connecting and releasing the connection to the nonwoven fabric mask 2. In this case, the shield 1 can be repeatedly attached to and detached from the nonwoven fabric mask 2. In addition, the shield 1 is connected to the non-woven fabric mask 2 by the connecting portion 20 with a strength (connection strength) that allows the shield 1 to be detachably attached to the non-woven fabric mask 2 while the non-woven fabric mask 2 is attached to the human body. Fixed. Because of this connection strength, the shield 1 can be attached to the nonwoven fabric mask 2 while being worn by the user via the connecting part 20, and can also be attached to the nonwoven fabric mask 2 while being worn by the user. The structure is such that it can be removed from the nonwoven fabric mask 2. The connection strength of the connecting portion 20 is set to such a level that the shield 1 will not fall when the connecting portion 20 of the shield 1 is connected to the nonwoven fabric mask 2 while the user is wearing the nonwoven fabric mask 2. Note that the connection strength is preferably set to such a strength that the shield 1 will not fall even if the user performs work and moves his/her head while the shield 1 is attached to the nonwoven fabric mask 2. Further, the connection strength is set to such a level that the user can remove the shield 1 by pulling the shield 1 while wearing the nonwoven fabric mask 2 without applying excessive force. In addition, the connection strength is such that the shield 1 can be removed without causing excessive damage to the non-woven mask 2 (for example, tearing or fraying the non-woven mask 2, causing excessive fuzz on the surface, etc.) The intensity may be set to a certain degree.

The connecting portion 20 is formed in the attachment portion E1 of the shield 1. Further, the connecting portion 20 is formed on the back surface of the shield 1 (the surface facing the user's eyes when worn). The connecting portion 20 is configured by fixing a planar member connectable to the nonwoven fabric mask 2 to the back surface of the attachment portion E1 of the shield 1. In this embodiment, the connecting portion 20 is formed to extend along the extending portion 14 of the lower edge portion 12 . The connecting portion 20 is configured to have a predetermined width and extend in a band shape. The width of the connecting part 20 is set to about 90 to 110 mm, and the total length of the connecting part 20 is about 180 to 220 mm (in this embodiment, since the connecting part 20 is divided into two by the notch 16, their total length). In this embodiment, the lower edge 20a of the connecting portion 20 is aligned with the extension 14 of the lower edge 12 of the shield 1, and the ends 20b, 20b of the connecting portion 20 are aligned with the edge 13 of the shield 1. , 13. With such a configuration, the connecting portions 20 are formed at positions corresponding to substantially the entire widthwise area of the nonwoven fabric mask 2, including positions corresponding to both end portions of the nonwoven fabric mask 2 in the width direction.

When attaching the shield 1 to the nonwoven fabric mask 2, the attachment part E1 of the shield 1 is overlapped with the front surface 2d of the nonwoven fabric mask 2, and the connecting part 20 is pressed against the front surface 2d of the nonwoven fabric mask 2 to connect it. In addition, the size of the attachment part E1 (the amount by which the shield 1 is overlapped with the non-woven fabric mask 2), that is, where on the front surface 2d of the non-woven fabric mask 2 the connecting part 20 is placed (how far from the edge 2a of the non-woven fabric mask 2) There is no particular limitation on how to connect them, as long as they can sufficiently cover the user's eyes with the shield 1. For example, the dimension L4 of the attachment portion E1, which is the area where the shield 1 is overlapped with the nonwoven fabric mask 2, may be set to about 15 to 50 mm (see FIG. 2(b)). However, the boundary line between the attachment part E1 and the eye protection part E2 does not need to be clearly defined on the product. At least a region closer to the lower edge 12 than the upper edge 20c of the connecting portion 20 may function as the attachment portion E1. Note that a mark indicating the attachment portion E1 (that is, a mark indicating how much the shield 1 should be overlapped with the nonwoven fabric mask 2) may be shown on the shield 1. Also, depending on how the user attaches it, a part of the eye protection part E2 may be overlapped with the nonwoven fabric mask 2. It is preferable that the shield 1 is arranged so that the center line of the shield 1 in the width direction and the center line of the nonwoven fabric mask 2 in the width direction substantially coincide with each other. Moreover, it is preferable that the notch part 16 is arrange|positioned at the position corresponding to the part which covers a nose in a nonwoven fabric mask.

As the configuration of the connecting part 20, any configuration can be adopted as long as it can be connected to the front surface 2d of the nonwoven fabric mask 2. Specifically, it is preferable that the connection strength of the connection part 20 to the nonwoven fabric mask 2 be 0.05N or more. For example, as shown in FIG. 3(a), the connecting portion 20 may be constituted by a mechanical engagement means 30. Examples of the mechanical engagement means 30 include a hook-and-loop fastener (mechanical fastener) and the like. The mechanical engagement means 30 has a structure in which a plurality of engagement elements (hooks) 31 are integrally molded with a base material 32, and each engagement element 31 is provided directly on the base material 32. . The back surface of the base material 32 of the mechanical engagement means 30 (the surface opposite to the surface on which the engagement element 31 is formed) is fixed to the back surface 1b of the shield 1 with an adhesive, an adhesive, or the like. The fixation strength of this portion is higher than at least the connection strength of the connection portion 20 to the nonwoven fabric mask 2. In addition, from the viewpoint of preventing the connection strength from becoming excessively high, suppressing damage to the nonwoven fabric mask 2 during removal, and removably fixing the nonwoven fabric mask 2 to the nonwoven fabric mask 2, the mechanical engagement means is used. 30, it is preferable to use one whose connection strength to the nonwoven fabric mask 2 is 0.05N or more. On the other hand, the upper limit of the connection strength is not particularly limited, and mechanical engagement means 30 that can be commonly used for nonwoven fabrics by those skilled in the art can generally be used. Note that in some embodiments, the upper limit of the connection strength may be set to 1.5N or less.

In addition, "connection strength" in the specification is a value measured as follows. First, the nonwoven fabric mask 2 and the shield 1 are overlapped so that the width direction of the nonwoven fabric mask 2 and the width direction of the shield 1 are parallel to each other. At this time, at least a portion of the connecting portion 20 is overlapped with the nonwoven fabric mask 2. Thereafter, a cylindrical roller with a smooth surface having a mass of 1 kg is reciprocated twice to connect the nonwoven fabric mask 2 and the shield 1. Next, with the nonwoven fabric mask 2 fixed to the jig, the shield 1 is picked up with the clip of the tensile tester, and the shield 1 is lifted in a 90 degree direction relative to the nonwoven fabric mask 2 at a speed of 300 mm/min. Peel it off like this. The force required at this time is defined as "the connection strength of the connection part to the nonwoven fabric mask."

As shown in FIG. 3(a), the engagement element 31 of this embodiment includes a column 31a extending from a base material 32, and a head 31b formed at the tip of the column 31a. The shape of the engagement element 31 is not particularly limited, and may be appropriately set based on the dimensions (length, width) and degree of extensibility of the mechanical engagement means 30. For example, as shown in FIG. 5(a), the engaging element 31 may include a cylindrical column portion 31a and a hemispherical head portion 31b. Note that the head 31b may be a disk with a plurality of grooves as shown in FIG. 5(b), or may be disk-shaped as shown in FIG. 5(c). . Alternatively, as shown in FIG. 6(a), the engagement element 31 may include a prismatic column portion 31a and an arrowhead-shaped head portion 31b. Further, as shown in FIG. 6(b), the engagement element 31 may include a column 31a extending diagonally upward and a head 31b bent diagonally downward from the tip of the column 31a. Further, as shown in FIG. 6(c), the engagement element 31 includes a column 31a extending upward, and a head 31b extending curved in one direction in the lateral direction from the upper end of the column 31a, The overall shape may be J-shaped. Further, as shown in FIG. 6(d), the engagement element 31 includes a column portion 31a extending upward, and a head portion 31b bifurcated from the upper end of the column portion 31a and extending so as to curve both in the lateral direction. It is good to have the following.

The height of the engagement element 31 may be between 0.25 and 0.75 mm, and may be between 0.38 and 0.68 mm. Further, the density of the engagement elements 31 may be 900 to 2400 pieces/Inch2, or 900 to 1600 pieces/Inch2. Note that the "height of the engagement element 31" refers to the distance from the surface of the base material 32 to the top (highest position) of the head 31b of the engagement element 31, and for example, H in FIG. 5(a). Dimensions shown. Within this range, the appropriate connection strength required for the connection portion 20 of the shield 1 can be ensured regardless of the shape of the engagement element 31. Further, when the user attaches the shield 1 while wearing the non-woven fabric mask 2, the connection can be made by lightly pressing the connecting portion 20 onto the non-woven fabric mask 2 without pressing it excessively. Moreover, even if the user shakes his head with the shield 1 attached to the nonwoven fabric mask 2, the shield will not come off. Further, when removing the shield 1, the user can remove the shield 1 with just enough force to pull the shield 1 with one hand. Moreover, it is possible to prevent noticeable damage from remaining on the nonwoven fabric mask when it is removed. If the connection strength is lower than that obtained in the above-mentioned numerical range, it will be difficult to maintain the state in which the shield 1 is attached to the nonwoven fabric mask 2. If the connection strength is higher than that obtained in the above-mentioned numerical range, there is a possibility that damage will be left on the nonwoven fabric mask 2 when the shield 1 is removed.

The material of the mechanical engagement means 30 having extensibility is a thermoplastic resin or the like, such as a mixture of polypropylene resin (PP) and polyethylene resin (PE) or ethylene-vinyl acetate copolymer (EVA) resin. It is mentioned as. If a mixture of PP and PE is used, the PP and PE may be mixed in a weight ratio of about 95:5 to 30:70. When the amount of PP exceeds this upper limit, the properties of PP become dominant and the engagement element tends to become hard. On the contrary, when the amount of PP is below the lower limit, the engagement force of the engagement element becomes weak. PP may be either a homopolymer or a copolymer. Examples of PE include low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), and the like.

Further, as shown in FIG. 3(b), the connecting portion 20 may be made of an adhesive 40. Specifically, the connecting portion 20 may be constituted by a tape 41 provided with a layer of adhesive 40. Tape 41 includes a layer of adhesive 40 on base material 42 . The back surface of the base material 42 of the tape 41 (the surface opposite to the layer of adhesive 40) is fixed to the back surface 1b of the shield 1. The fixation strength of this portion is higher than at least the connection strength between the connection portion 20 and the nonwoven fabric mask 2. As the tape 41, for example, double-sided tape may be used. The back surface of the base material 42 (the surface opposite to the surface on which the adhesive layer 40 is formed) is fixed to the back surface 1b of the shield 1 with an adhesive, an adhesive, or the like. The fixation strength of this portion is higher than at least the connection strength of the connection portion 20 to the nonwoven fabric mask 2. The adhesive 40 may have a property of adhesion strength to the nonwoven fabric mask 2 of 0.05N or more, and may have a property of 0.05 to 1.5N. As the adhesive 40, for example, an acrylic adhesive, a synthetic rubber adhesive, or a silicone adhesive is employed. Within this range, the appropriate connection strength required for the connection portion 20 of the shield 1 can be ensured. Further, when the user attaches the shield 1 while wearing the non-woven fabric mask 2, the connection can be made by lightly pressing the connecting portion 20 onto the non-woven fabric mask 2 without pressing it excessively. Moreover, even if the user shakes his head with the shield 1 attached to the nonwoven fabric mask 2, the shield will not come off. Further, when removing the shield 1, the user can remove the shield 1 with just enough force to pull the shield 1 with one hand. Moreover, it is possible to prevent noticeable damage from remaining on the nonwoven fabric mask when it is removed. If the connection strength is lower than that obtained in the above-mentioned numerical range, it will be difficult to maintain the state in which the shield 1 is attached to the nonwoven fabric mask 2. If the connection strength is higher than that obtained in the above-mentioned numerical range, there is a possibility that damage will be left on the nonwoven fabric mask 2 when the shield 1 is removed.

Next, the functions and effects of the shield 1 according to this embodiment will be explained.

Here, a mask with a shield, in which a shield is fixed to the mask by welding or the like, is conventionally known as a device for protecting the eyes. Such masks with shields are used in medical settings such as hospitals. For example, a package of multiple layers of shielded masks is placed on a rack in a hospital, and the user takes out the shielded mask from the package and puts it on when performing work to protect the eyes. do. However, in medical settings, users are often already wearing a regular type mask, and it is necessary to remove the regular type mask once to put on a shielded mask. Additionally, after completing work that required eye protection, it was necessary to remove the entire shielded mask and put on a regular type mask again. Moreover, such a mask with a shield has a larger area than a normal mask, and there has been a demand for improvement in handling convenience.

On the other hand, according to the shield 1 according to the present embodiment, the connecting part 20 that is detachably fixed to the nonwoven fabric mask 2 is formed in the attachment part E1 on the lower edge 12 side of the shield 1. As a result, when the attachment part E1 of the shield 1 is superimposed on the front surface 2d of the non-woven fabric mask 2, the connecting part 20 is removably fixed to the front surface 2d of the non-woven fabric mask 2, so that the shield 1 is attached to the non-woven fabric mask 2. It will be done. With such a configuration, the shield 1 can be attached without removing the nonwoven fabric mask 2 from the user's face while the nonwoven fabric mask 2 is being worn by the user. Therefore, when performing work that requires protecting the eyes, the user only needs to attach the shield to the non-woven fabric mask 2 that is already worn, and after completing the work, the user can continue wearing the non-woven fabric mask 2. Only shield 1 needs to be removed. Moreover, the shield 1 can be handled as a member independent of the nonwoven fabric mask 2. Therefore, when a plurality of shields 1 are stacked and packaged, it can be made more compact than a conventional shielded mask package.

Further, since the shield 1 according to the present embodiment is a member independent from the nonwoven fabric mask 2, it is possible, for example, to store the shield 1 and discard only the nonwoven fabric mask 2, or to discard only the shield 1. It is also possible to discard it and continue using the nonwoven fabric mask 2. Further, for example, when fixing the shield and the mask with a clip, it is necessary to prepare the clip as a separate member, but in this embodiment, since the connecting part 20 is fixed to the shield 1 itself, a clip or the like is required. There is no need to prepare separate parts. As described above, it is possible to improve the convenience of handling the shield for protecting the eyes.

Further, in the shield 1 according to the present embodiment, the connection strength of the connection portion 20 to the nonwoven fabric mask 2 may be 0.05N or more. Thereby, the shield 1 can be reliably attached to the nonwoven fabric mask 2 without the shield 1 being easily peeled off.

In the shield 1 according to this embodiment, the connecting portion 20 may be constituted by a mechanical engagement means 30 having an engagement element 31. In this case, the connection strength is unlikely to decrease even after repeated use, so the shield 1 can be used repeatedly while wearing the nonwoven fabric mask 2. Further, since the shield 1 can be easily removed from the nonwoven fabric mask 2, it is possible to provide an eye protector that is easily disposable and safe for medical workers. Then, without using a release paper like an adhesive, the shields 1 can be placed on top of each other and placed in a package, and then installed on a rack or the like. Therefore, it is no longer necessary to peel off and throw away the release paper every time the shield 1 is used, and it is possible to provide a protective device for protecting the eye area that is more easily accessible to medical personnel.

Further, in the shield 1 according to the present embodiment, the connecting portion 20 may be formed of an adhesive 40. In this case, the effect of minimizing peeling noise when removing the shield 1 from the nonwoven fabric mask 2 is achieved. Further, since the shield 1 can be easily removed from the nonwoven fabric mask 2, it is possible to provide an eye protector that is easily disposable and safe for medical workers.

Further, in the shield 1 according to the present embodiment, the connection strength of the adhesive 40 to the nonwoven fabric mask 2 may be 1.5N or less. In this case, it is possible to provide an eye protection device that can be used repeatedly while wearing the nonwoven fabric mask 2 without causing excessive napping on the nonwoven fabric.

Furthermore, in the shield 1 according to the present embodiment, a notch 16 is formed in the lower edge 12 at a position corresponding to a portion of the nonwoven fabric mask 2 that covers the nose. Therefore, when attaching the shield 1 while wearing the nonwoven fabric mask 2, the user can align the notch 16 of the shield 1 with the position of the nose. As described above, positioning when attaching the shield 1 can be easily performed.

Further, in the shield 1 according to the present embodiment, the connecting portions 20 are formed at positions corresponding to at least both end portions of the nonwoven fabric mask 2 in the width direction. Thereby, the shield 1 can be attached to the nonwoven fabric mask 2 in a better balance than, for example, when the connecting portion 20 is formed only at the center position in the width direction of the nonwoven fabric mask 2.

Further, the eye protection method according to the present embodiment is an eye protection method for protecting the eyes of a user who wears a nonwoven fabric mask 2, and includes a shield 1 having a connecting portion 20 that is detachably fixed to the nonwoven fabric mask 2. , is attached to the nonwoven fabric mask 2 via the connecting part 20, and the shield 1 protects the eyes. By employing such a method, it is possible to achieve the same functions and effects as those of the shield 1 described above.

Further, in the eye protection method according to the present invention, the shield 1 is attached to the nonwoven fabric mask 2 worn by the user, and the shield 1 is removed from the nonwoven fabric mask 2 worn by the user. This allows the user to easily protect his/her eyes.

The present invention is not limited to the embodiments described above.

The shape and size of the shield 1 and the shape and size of the connecting portion 20 according to the above-described embodiment are merely examples, and may be changed as appropriate. For example, like the shield 100 shown in FIG. 4(a), the entire lower edge 12 may extend straight without having a notch formed in the lower edge 12. Accordingly, the connecting portion 20 is also formed in the shield 100 so as to extend straight along the lower edge portion 12. Furthermore, as in the shield 110 shown in FIG. 4(b), a cutout 116 smaller than the cutout 16 shown in FIG. 2 may be formed. The depth dimension of this notch portion 116 is smaller than the width of the connecting portion 20. Therefore, the connecting portion 20 is configured as one continuous member without being separated at the position of the notch 116. Further, as in the shield 100 shown in FIG. 4(c), a notch 126 larger than the notch 16 shown in FIG. 2 may be formed. Further, the position where the connecting portion 20 is formed may also be spaced apart from the lower edge portion 12. In the example shown in FIG. 4C, the connecting portion 20 is formed at a position corresponding to the V-shaped valley of the notch 126, and is spaced upward from the lower edge 12. In addition, the connecting part 20 may be spaced apart from the lower edge part 12 also in FIG. 2, FIG. 4(a), (b), etc.

Further, the shield does not have to have a fan-shaped shape like the shields 1, 100, 110, and 120, but may have any shape such as a rectangle, trapezoid, circle, ellipse, or oval. Further, in the above-described embodiment, the connecting portion 20 is formed so as to extend over substantially the entire width direction of the shield 1 (excluding the position of the notch portion), but may be formed partially. For example, the connecting portions 20 may be partially formed at least at positions corresponding to both end portions in the width direction of the nonwoven fabric mask 2, and the connecting portions 20 may not be formed near the center. Further, the connecting portion 20 may be formed so as to be spaced apart from the edges 13 on both sides of the shield in the width direction. Further, although the connecting portion 20 is configured to have a predetermined width and extend in a band shape, it is not limited to such a shape. For example, the rectangular or circular connecting portions 20 may be arranged at one or more predetermined positions on the shield.

[Example]
Hereinafter, a shield according to one embodiment of the present invention will be specifically described based on Examples, but the structure of the shield is not limited to the Examples below.

First, shields employing connecting portions under different conditions were prepared as Examples 1 to 6 and Comparative Examples 1 to 3. In each of the examples, the shape of the shield shown in FIG. 4(b) was adopted, and the size of the connecting portion was 15 mm in width and 50 mm in length. In Examples 1 to 6 and Comparative Examples 1 to 3, mechanical engagement means are employed as the connecting portions, and the pin densities and pin heights are different from each other (see FIGS. 7 and 8 for detailed conditions). ). Further, in Example 5, a connecting portion was formed by attaching a weak adhesive double-sided tape to the shield. Further, in Example 6, a connecting portion was formed by attaching adhesive double-sided tape to the shield. Regarding these Examples and Comparative Examples, the connection strength to the nonwoven fabric mask was measured, and various tests regarding use were conducted. The connection strength was measured by measuring the connection strength when the shield was attached to the nonwoven fabric mask for the first time, and after repeating attachment and detachment 10 times. The non-woven masks used were selected from three types available on the market. In addition, as tests related to use, we examined the ease of attaching the shield to a non-woven mask, whether the shield would not peel off when attached to the non-woven mask, and whether the shield could be attached to the non-woven mask even after repeated use. Tests were conducted on the ease of removing the shield from the nonwoven mask and the condition of the mask after the shield was removed.

As shown in FIG. 7, in Examples 1 to 4, the connection strength of the connection portion to the nonwoven fabric mask can be 0.05N or more for any nonwoven fabric mask and even after repeated use. confirmed. Even when the connection strength was at its weakest value (the connection strength to the nonwoven fabric mask 2 after 10 repetitions of Example 4), it was possible to achieve 0.05N or more. In Examples 1 to 4, good results were obtained in all test items. On the other hand, as shown in FIG. 8, in Comparative Examples 1 to 3, it was confirmed that the connection strength of the connecting portion to the nonwoven mask was smaller than 0.05N for all of the nonwoven masks. Furthermore, in Comparative Examples 1 to 3, it was confirmed that the shield could not be attached to the nonwoven fabric mask.

As shown in FIG. 9, in Example 5, it was confirmed that the connection strength of the connection part to the nonwoven fabric mask could be 0.05N or more for any nonwoven fabric mask and even after repeated use. Ta. In addition, in Example 5, it was confirmed that the connection strength of the connection portion to the nonwoven fabric mask could be 1.5 N or less for any nonwoven fabric mask and even after repeated use. In Example 5, good results were obtained in all test items. In Example 6, it was confirmed that the connection strength of the connecting portion to the nonwoven fabric mask could be 0.05 N or more for any nonwoven fabric mask and even after repeated use. Further, in Example 6, it was confirmed that the connection strength of the connection portion to the nonwoven fabric mask was 1.5 N or more for any nonwoven fabric mask and even after repeated use. In this case, when the shield is removed from the non-woven mask, excessive fuzz is generated on the surface non-woven fabric, and the fuzz on the surface of the non-woven mask is carried away by the joint, damaging the surface of the non-woven mask, but other test items It was confirmed that good results were obtained.

DESCRIPTION OF SYMBOLS 1,100,110,120...Shield, 2...Nonwoven fabric mask, 11...Upper edge, 12...Lower edge, 16,116,126...Notch, 20...Connection part, 30...Mechanical engagement means, 31 ...Engagement element, 40...Adhesive, E1...Attachment part, E2...Eye protection part.

Claims (10)

A shield that can be directly attached to and removed from the front surface of the non-woven mask to protect the eyes of a user wearing the non-woven mask,
an attachment part formed on the lower edge side of the shield, overlapped with the nonwoven fabric mask, and attached to the nonwoven fabric mask;
an eye protection part formed on the upper edge side of the shield and capable of protecting the user's eyes;
A notch is formed at a substantially central position in the width direction of the lower edge,
The attachment part includes a connecting part that is directly removably fixed to the front surface of the nonwoven fabric mask and extends from one end of the shield along the width direction of the nonwoven fabric mask through the notch to the other end of the shield. Formed continuously and in a band shape,
A shield, wherein an upper edge of the shield extends along a width direction of the shield with respect to a lower edge of the shield. The shield according to claim 1, wherein a part of the eye protection part can be attached to the nonwoven fabric mask so as to be overlapped with the nonwoven fabric mask. The shield according to claim 1 or 2, wherein the total length of the connecting portion is 180 to 220 mm, and the cutout portion is provided at a position corresponding to a portion of the nonwoven fabric mask that covers the nose. The shield according to any one of claims 1 to 3, which can be attached and detached while the user is wearing the nonwoven fabric mask. A shield according to any one of the preceding claims, wherein the dimension between the lower edge and the upper edge is between 100 and 150 mm. The shield according to claim 1, wherein the depth dimension of the notch is 10 to 25 mm. The shield according to any one of claims 1 to 6, wherein the total length in the width direction of the shield is 180 to 350 mm . The shield according to any one of claims 1 to 7 , wherein the lower edge of the shield extends further outward than both ends of the nonwoven mask. The shield has both edge portions that are edges in the width direction of the shield, and the both edge portions extend obliquely so as to widen from the lower edge toward the upper edge. The shield according to any one of items 1 to 8 . A method for attaching a shield that can be directly attached and detached to the front surface of the non-woven fabric mask to protect the eyes of a user wearing the non-woven fabric mask, the method comprising:
The lower edge portion of the shield includes a mounting portion formed on the lower edge side of the shield, and an eye protection portion formed on the upper edge side of the shield and capable of protecting the eyes of the user. arranging a notch formed at a substantially central position in the width direction at a position corresponding to a portion covering the user's nose;
It is provided in the attachment part, is formed continuously and in a band shape from one end of the shield to the other end of the shield along the width direction of the non-woven fabric mask, and directly faces the front surface of the non-woven fabric mask. Attaching a removably fixed connection part directly to the front surface of the nonwoven fabric mask worn by the user;
How to install the shield.