JP3213582U - mask - Google Patents

Abstract

The present invention provides a mask capable of expanding the covering area at the time of mounting as required, and greatly saving the amount of expensive filter material used. A flat rectangular foldable body 1 is formed by folding a filter layer material along a lateral fold-in side, and a precut layer 2 having elasticity is overlapped on the inner surface of the foldable main body 1 by joining four sides. The nose wing part 25, the lower jaw wing part 26, the left ear hook 23 and the right ear hook 24, which are coupled to the upper side, the lower side, the left side and the right side of the folding main body 1, respectively, can be deployed. 25, the left ear hook 23 and the right ear hook 24 are detachably connected to each other, and the lower wing portion 26 is connected to the left ear hook 23 and the right ear hook 24 so as to be separable by the lateral precut line 21. The left ear hook 23 and the right ear hook 24 are connected to each other by a pre-cut line 22 so as to be separable. [Selection] Figure 5

Description

  The present invention relates to a mask that is worn by a user to cover the mouth and nose, and is used to filter air, and has a large covering area.

The mask used for filtering and breathing air needs to cover the area of the mask body from the base of the nose to the lower jaw in order to secure a sufficient coverage area. The area to be taken out increases.
Moreover, although the material of the filter is expensive, the body portion covering the base of the nose and the upper and lower portions of the outer surface of the lower jaw does not require a filtering function, and therefore is wasted.
Furthermore, the elastic ear hooks installed on the conventional mask are joined to both sides of the mask body after completion of the mask body to form a complete mask, but the process takes time and is accompanied by this. The cost of manufacturing machines and manufacturing processes has increased.
In addition, some elastic cloth materials are cut to form an ear hook, made into an annular shape, and then bonded to both sides of the mask body in a separate process. However, the process is also frequent.

  The problem to be solved by the present invention is to provide a mask that solves the above-mentioned problems, can increase the covering area when it is mounted, and can greatly save the amount of expensive filter material used.

  The present invention relates to a mask that is worn by a user to cover the mouth and nose and is used to filter air. The mask includes a foldable main body and a precut layer, and the foldable main body has an air filter function. It is formed by folding the layer material at the folding side along the lateral direction, is a flat rectangle, the inner surface is the skin contact surface, the outer surface is the covering surface, the precut layer has elasticity, and covers the skin contact surface of the folding body. The folded main body and the precut layer are combined on the four circumferences of the mask set, and the precut layer is bonded along the upper side of the folded main body and expanded upward. A nose wing capable of being coupled along the lower side of the foldable body and deployable downward, and a left ear coupled to the left side of the foldable body and deployable to the left Hanging and the folding book And a right ear hook that is expandable to the right side, and the nose wing portion and the left ear hook and the right ear hook are detachably connected via an upper lateral precut line. The lower jaw wing and the left ear hook and the right ear hook are detachably connected via a lower horizontal precut line, and the left ear hook and right ear hook can be separated via a vertical precut line. Are connected to the left ear hook and the right ear hook.

The center of the upper and lower horizontal precut lines may be connected by the vertical precut line.
A connecting portion of the horizontal precut line and the vertical precut line may be T-shaped, and a cut section may be formed in the connecting portion.
The extension direction of the precut layer having elasticity may be a lateral direction.
Desirably, upper and lower ends of the precut layer are extended beyond upper and lower edges of the folding body and folded outward to wrap around the upper and lower ends of the covering surface of the folding body.
The left and right end portions of the precut layer may extend beyond both side edges of the folding body, and may be folded outward to wrap around the left and right sides of the covering surface of the folding body.
The precut layer is preferably a layer material having an air filter function.
Preferably, a sealed hem is provided to cover and cover the four sides of the mask set.

According to the present invention, the nose wings and / or the lower jaw wings that can be split by hand in advance are provided on the upper and lower sides of the skin contact surface of the folding body. By expanding the part, the covering area at the time of mounting can be expanded, the material usage area of the folding body can be greatly reduced, and the amount of expensive filter material used can be greatly saved.
In addition, the nose wing and mandibular wing, as well as the left and right ear hooks are formed by precutting the same layer material. Can be manufactured at low cost.

It is a perspective view of the folding belt | band | zone body which concerns on Example 1 of this invention. It is a front view of the precut layer concerning Example 1 of the present invention. It is a front view of the precut layer which continued in strip shape concerning Example 1 of the present invention. It is the schematic of the mask manufacturing process which concerns on Example 1 of this invention. It is an inner surface figure of the mask which shows Example 1 of this invention. It is an inner surface figure in the unfolded state of the mask which shows Example 1 of this invention. It is the schematic which shows the cut | notch section of the precut layer which concerns on Example 1 of this invention. It is the schematic which shows the cut of the connection side part of the precut layer which concerns on Example 1 of this invention. It is an internal view of the mask which shows Example 2 of this invention. It is the schematic of the mask manufacturing process which concerns on Example 2 of this invention. It is sectional drawing of the mask which shows Example 2 of this invention. It is an external view of the mask which shows Example 2 of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 8 show a first embodiment of the present invention.
As shown in FIG. 5, the mask 70 of the present invention is worn by a user to cover the mouth and nose, and is used to filter air. The mask 70 includes a foldable body 1 and a precut layer 2.
The foldable body 1 is formed in a plane rectangle by cutting a foldable belt body 120 as shown in FIG. 1 at right angles to the longitudinal direction.
The folding band 120 is made of a material having a filter function, and is folded inward via a plurality of folding sides 13 along the longitudinal direction (lateral direction of the mask 70), and the central portion in the width direction is located on the outermost side. Then, a folded surface 14 is formed in which a plurality of side edges are overlapped, and both sides in the width direction are gradually folded back to the inner surface side. Then, the outer surface and the inner surface of the folding band 120 are prepared as the skin contact surface 11 and the covering surface 12 in use, respectively.

The pre-cut layer 2 is formed by cutting a belt-shaped elastic material at a right angle in the longitudinal direction into a rectangular shape having substantially the same dimensions as the folding body 1, and the four circumferences thereof are coupled to the four circumferences of the folding body 1 by the four-circle coupling lines 15. Then, the foldable body 1 is overlaid so as to face the skin contact surface 11 (front surface in the figure). The precut layer 2 extends in the weft direction of the belt-shaped elastic material.
The precut layer 2 is coupled along the upper side of the foldable body 1 and can be expanded upward, and the mandibular wing can be coupled along the lower side of the foldable body 1 and expanded downward. The left ear hook 23 that is coupled along the left side of the folding body 1 and can be expanded to the left side, and the right ear that is coupled along the right side of the folding body 1 and can be expanded to the right side. A hanger 24 is provided.

The nose wing portion 25 and the left ear hook 23 and the right ear hook 24 are detachably connected by an upper lateral precut line 21, and the lower jaw wing portion 26, the left ear hook 23 and the right ear hook 24 are arranged in a lower lateral direction. The left ear hook 23 and the right ear hook 24 are connected so as to be separable by a longitudinal precut line.
That is, two lateral nose wings 25 and lower jaw wings 26 are cut in advance above and below the precut layer 2 by a transverse precut line 21 extending in the weft direction of the belt-like elastic material, and by a longitudinal precut line 22 extending in the warp direction. A left ear hook 23 and a right ear hook 24 on both sides of the precut layer 2 are cut out in advance, and the precut layer 2 has a nose wing portion 25 and a lower wing portion 26 in the vertical and horizontal directions, and a left ear hook 23 and a right ear hook 24 on both left and right sides. It is divided into.

The pre-cut line 21 and the vertical pre-cut line 22 formed in the pre-cut layer 2 are pre-cut to the extent that they can be opened by hand, and are pre-cut using shearing, stamping, laser beam, or high-pressure fluid cutting method. It can be performed.
The horizontal precut line 21 is two lines on the upper and lower sides, and the vertical precut line 22 is connected to the center thereof.

As shown in FIG. 3, the precut layer 2 is prepared in advance with a strip-shaped material, and then precut is performed to produce a plurality of precut layers 2 in a continuous strip shape. They are connected at the connecting side portion 28.
As shown in FIG. 2, the plurality of precut layers 2 that are continuous in a band shape can be coupled to the long sides on both sides of the folding band 120 (see FIG. 1).

  As shown in FIG. 4, in the mask production process of the present invention, first, a filter layer material 100 having a filter function is manufactured. The filter layer material 100 may be multilayered based on the needs of filter performance, and the folding operation 10 is performed through the output of the delivery device 101. The folding operation 10 is performed using the folding device 102 to obtain a folding band 120. As shown in FIG. 1, the folding band 120 is formed by forming a plurality of folding sides 13 in the weft direction by a folding operation.

Separately, a precut operation 20 for the precut layer 2 is performed. The precut operation 20 is made of an elastic layer material 200 having elasticity or (and) a filter function, and a continuous band-shaped precut layer 2 (see FIG. 3) is cut out in advance by a roller knife 202 installed in the precut device 201. .
After the precut operation 20 is completed, the band-shaped precut layer 2 is superimposed on the lower surface of the folding band 120, and at this time, the upper surface of the folding band 120 becomes the covering surface 12 and the lower surface becomes the skin contact surface 11.

The folding strip 120 and the precut layer 2 are bonded together by the welding unit 32 installed in the bonding apparatus 31 through the bonding operation 30. The pasted portions are the long sides (upper side and lower side in FIG. 5) on both sides of the folding band 120 and the precut layer 2.
After completing the bonding of the side edges, a progressive cutting operation 40 is performed, and the folding band 120 and the precut layer 2 to which the side edges are combined are divided by the cutting device 41 to form the mask set 3.
Next, a hem sealing operation 50 is performed on both sides of the mask set 3, and the hem sealing material 51 is sutured to both sides of the mask set 3 using the hem sealing device 52 (see FIG. 5). Is formed.

When using the mask 70, as shown in FIG. 6, the vertical precut line 22 (see FIG. 5) that connects the left ear hook 23 and the right ear hook 24 is torn by manually operating from the center position of the mask width surface. Open on both sides. Then, the force extends from the left ear hook 23 and the right ear hook 24 and acts on the lateral precut line 21, and the space between the left ear hook 23, the right ear hook 24 and the nose wing portion 25, and the lower wing portion 26 is laterally precut. Ripped at line 21. At this time, the left ear hook 23 and the right ear hook 24 are provided for hooking on the ear.
The torn and independent nose wings 25 and mandibular wings 26 are deployed and used based on the difference in user's mouth, nose, and facial surface area and the needs of the application scene, and expand the upper and lower shielding areas of the mask 70. The deployed nose wing 25 can cover the base of the nose and the lower wing 26 can cover the outer surface of the lower jaw.

The nose wing part 25, the lower wing part 26, the left ear hook 23, and the right ear hook 24 are made of the same material and have elasticity, and when deployed and used, the nose wing part 25 is made of the base of the nose by its elastic force. The lower wing portion 26 can be pressed against the outer surface of the lower jaw by being pressed against the outer surface.
The material of the pre-cut layer 2 may be a material equipped with a dust filter, and the filtration load of bacteria can be borne by the folding body 1 that covers the outside of the nose and mouth, saving material costs. Can do. Alternatively, the material of the nose wing portion 25 and the lower jaw wing portion 26 may be one having a filtering ability of pathogenic bacteria.
Since the nose wing portion 25, the lower wing portion 26, the left ear hook 23, and the right ear hook 24 are formed of the same layer of material, the left ear hook 23 and the right ear hook 24 also have elastic ability, and are elongated. The direction is the latitude direction.

As shown in FIG. 7, the horizontal precut line 21 and the vertical precut line 22 that precut the precut layer 2 can be provided as a cut section 29 that connects the connected portions in a T-shape. By forming a large weak point, when the user separates the left ear hook 23 and the right ear hook 24 on both sides, the cutting section 29 provides a starting point for the separation, and the remaining force is applied to the remaining longitudinal precut line 22. It is possible to simply act and to act on the remaining lateral precut line 21.
The longitudinal precut line 22 may be completely incised over its entire length to make the detachment operation easier.

  As shown in FIG.8 and FIG.4, after completing the bonding operation | work 30 at the above-mentioned process, the folding main body 1 and the precut layer 2 are couple | bonded by the upper and lower edges, and the position of the connection side part 28 is shown. It can be cut with a laser knife 42 and divided into two sets of mask sets 3. This operation is performed using the cutting device 41, and in addition to cutting, the cuts on both sides of the mask set 3 can be sealed using the effect of thermal welding. The condition is that the material of the folding main body 1 and the precut layer 2 to be used is a material fiber that is thermally melted.

9 to 12 show a second embodiment of the present invention.
In Example 2, as shown in FIG. 9, the pre-cut layer 2 is added as a hem that extends and adds a lateral folding side 281 and a longitudinal folding side 282 outward, and wraps and seals the four sides of the mask set. can do.
As shown in FIG. 10, the folding operation 10 and the pre-cut operation 20 are simultaneously performed in the manufacturing process. In the folding operation 10, a folding band body 120 is formed by folding by a folding device 102 (see FIG. 1). The outer surface of the band 120 is the covering surface 12, and the inner surface is the skin contact surface 11.
Thereafter, a cutting operation 40 is performed to form a single sheet-like folding body 1.

In the precut operation 20 that is performed separately, the elastic layer material 200 is used, and after the cut operation 40 is performed, one sheet-like precut layer 2 is formed.
In the superposition operation 60, the precut layer 2 is overlaid on the skin contact surface 11 of the foldable body 1, and the weft direction fold side 281 and the warp direction fold side 282 of the precut layer 2 are extended to the four circumferences of the foldable body 1, respectively. After that, the hem sealing work 50 is performed, the weft-side folding side 281 and the warp-side folding side 282 are folded outward to wrap around the end of the covering surface 12 of the folding body 1, and the folding body 1 and the precut layer 2 are surrounded by four turns. Combine the parts. This hem blocking operation 50 is an operation for blocking and combining the four sides of the mask.

In Example 2, as shown in FIGS. 11 and 12, the precut layer 2 is bonded to the skin contact surface 11 of the foldable main body 1 so as to face each other, and the weft fold side 281 and the warp fold side 282 of the precut layer 2 are attached. Is extended beyond the four circumferences of the foldable body 1, folded back to the outside of the foldable body 1, and wraps around the four circumferential ends of the covering surface 12.
This folding not only joins the four circumferences of the precut layer 2 and the folding body 1 but can also produce a beautifying effect by forming a frame. By changing the colors of the folding body 1 and the precut layer 2, contrast can be obtained. Can be provided.
Other structures of the second embodiment are the same as those of the first embodiment.

DESCRIPTION OF SYMBOLS 1 Folding main body 11 Skin contact surface 12 Covering surface 13 Folding side 14 Folding surface 15 Quadruple connection line 10 Folding work 101 Feeding device 102 Folding device 120 Folding band 2 Precut layer 20 Precut work 21 Lateral precut line 22 Longitudinal precut Line 23 Left ear hook 24 Right ear hook 25 Nose wing part 26 Mandibular wing part 27 Ear hook part 28 Connection side part 29 Cut section 201 Precut device 202 Roller knife 281 Weft direction folding side 282 Transverse folding side 100 Filter layer material 200 Elastic layer Material 3 Mask set 30 Bonding operation 31 Bonding device 32 Welding unit 40 Cutting operation 41 Cutting device
42 Laser knife 50 Hem sealing work 51 Hem sealing material 52 Hem blocking device 60 Overlaying work 70 Mask

Claims (8)

A mask worn by a user to cover the mouth and nose and to filter air, including a foldable body and a precut layer,
The folding main body is formed by folding a filter layer material having an air filter function at a folding side along the lateral direction, is a flat rectangle, the inner surface is a skin contact surface, and the outer surface is a covering surface,
The precut layer is provided with elasticity, and is overlapped over the skin contact surface of the folding body to form a mask set,
In the four rounds of the mask set, the folding body and the precut layer are combined,
The pre-cut layer is coupled along the upper side of the foldable body and can be expanded upward, and the lower wing part is coupled along the lower side of the foldable body and can be expanded downward. A left ear hook coupled along the left side of the foldable main body and deployable to the left side, and a right ear hook coupled along the right side of the foldable main body and deployable on the right side, The nose wing and the left ear hook and the right ear hook are detachably connected via an upper lateral precut line, and the lower wing part and the left ear hook and right ear are connected via a lower lateral precut line. A hook is separably connected, and the left ear hook and the right ear hook are separably connected via a longitudinal precut line, and an ear hook is opened in each of the left ear hook and the right ear hook. A mask characterized by that.   The mask according to claim 1, wherein centers of the upper and lower horizontal precut lines are connected by the vertical precut lines.   The mask according to claim 1, wherein a connecting portion of the horizontal precut line and the vertical precut line is T-shaped, and a cut section is formed in the connecting portion.   The mask according to claim 1, wherein an extension direction of the precut layer having elasticity is a lateral direction.   The upper and lower ends of the pre-cut layer are extended beyond the upper and lower edges of the foldable main body and folded back to wrap around the upper and lower ends of the covering surface of the foldable main body. The mask described in 1.   The left and right end portions of the pre-cut layer are extended beyond both side edges of the foldable body and folded back to wrap around the left and right side portions of the covering surface of the foldable body. The described mask.   The mask according to claim 1, wherein the precut layer is a layer material having an air filter function.   The mask according to claim 1, further comprising: a sealed hem that covers and covers four sides of the mask set.

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