JP2006247046A - Three-dimensional mega mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a three-dimensional mega mask greatly improved in a wearing property and functionality by improving adhesion of a covering part from the cheek parts to the temple, reducing the manufacturing cost and having superior mass productivity. <P>SOLUTION: The tip strip part of the covering part 2 is so formed that the angle formed between an upper straight line part 6 and an intermediate outline formation part 7 and the angle formed between the intermediate outline formation part 7 and a lower straight line part 8 are set within a rage of 100-155° respectively. Notch parts 5 are formed in right/left rear side parts of the covering part 2 from an interval formed between joining parts 3a joined with wearing rubber strings 3 toward the front side part of the covering part 2. This constitution can secure a comfortable space between the covering part 2 and the nasal foramen parts and form the covering part 2 into an upper/lower symmetric shape to enable a wearer to wear the covering part 2 from either its the top or bottom. The wearing functionality is improved by preventing creases from being formed in the rear side part of the covering part 2 in wearing it, improving the adhesion of the covering part 2 from the cheek parts to the temple part and providing the favorable covering property of the covering part 2 to the face. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a non-woven fabric disposable mega three-dimensional mask that is used to cover the mouths of persons concerned in a hygiene field where contamination of foreign matters such as dust and bacteria is excluded.

Non-woven sanitary masks are frequently used in hospitals by doctors, dentists, nurses, and the like in consideration of cleanliness. Also, in clean rooms, food processing factories, precision parts factories, etc. at semiconductor manufacturing sites, employees cover their mouths and are widely worn as a means to prevent contamination of food and functional parts. This type of sanitary mask is a disposable mask, in which a stretchable urethane rubber or non-woven fabric is punched to cover the mouth and nostril and the ear hook is formed separately or integrally (for example, Patent Documents 1 and 2; 3).
JP-A-9-149945 JP-A-9-149946 JP 2003-93527 A

In Patent Document 1, the lateral stretchability of the mask is set to be lower than the stretchability of the ear hooking portion so that the mask covering portion does not adhere to the mouth even when the ear hooking portion is in a tension state. Thereby, even if a cover part is pulled right and left at the time of wearing of a mask, it becomes difficult to feel breathlessness and the uncomfortable feeling at the time of wearing is reduced.
In Patent Document 2, a cover part and an ear hook part are formed separately to make it difficult for the ear hook part to hang down and to prevent the masks that are overlapped after production from coming into close contact with each other. In patent document 3, the operation which attaches the inner cover of a double mask to an outer cover at the time of use is made unnecessary, and the double mask which is very easy to wear like a normal single mask is realized.
However, none of the masks of Patent Documents 1, 2, and 3 has been studied for the adhesiveness of the cover portion from the cheek portion to the temple portion, and there remains room for improvement in the wearability and functionality of the mask. It was.

  The present invention has been made in consideration of the above circumstances, and its purpose is to improve the wearability and functionality by improving the adhesion of the cover part from the cheek to the temple part, and the production cost is reduced and the mass production is low. It is to provide an excellent mega solid mask.

(About claim 1)
The cup-shaped cover part is provided by a nonwoven fabric formed by heat-sealing an aggregate of polypropylene fibers that are thermoplastics. The wearing rubber cord includes a wearing rubber cord that is joined to the right and left rear side portions of the cover portion two points at a time by ultrasonic welding and hung on the ear portion or the back of the head. The top strip of the cover is composed of an upper straight portion, an intermediate contour forming portion, and a lower straight portion, and an angle formed by the upper straight portion and the intermediate contour forming portion, and an intermediate contour forming portion and the lower straight portion. Each angle is set to be in the range of 100 degrees to 155 degrees. At the left and right rear side portions of the cover portion, a notch portion is formed from between the joint portions to which the worn rubber strings are joined toward the front side portion of the cover portion.

  The angle between the upper straight line portion and the intermediate contour forming portion and the angle formed between the intermediate contour forming portion and the lower straight line portion are set to be in the range of 100 to 155 degrees, respectively, on the leading edge of the covering portion. Therefore, it is possible to ensure a comfortable space between the cover portion and the nostril portion while keeping good wearability with respect to the face of the cover portion. Since the cover portion has a vertically symmetrical shape, there is no distinction between the upper and lower sides, and it is possible to attach the cover portion from either forward or reverse, which is convenient.

Since notches are formed on the left and right rear sides of the cover, wrinkles, etc. do not come close to the rear side of the cover when worn, and the cover has improved adhesion from the cheek to the temples, covering the face Good coverage of the part is obtained, and the mounting functionality is improved.
While providing these useful functions, it is not necessary to add any new member, the manufacturing cost is reduced, and it is inexpensive and excellent in mass productivity.

(About claim 2)
The intermediate contour forming part of the cover part has an arc shape with a predetermined radius of curvature, so that a comfortable space is created between the cover part and the nose column part, and the mounting stability of the nose column part to the cover part is good It becomes.

(Claim 3)
Since the intermediate contour forming part of the cover part has a heart shape, a comfortable space is created between the cover part and the nose column part as in the second aspect, and the mounting stability of the nose column part to the cover part is improved. It becomes good.

(About claim 4)
Since the intermediate contour forming part of the cover part is substantially L-shaped so as to correspond to the nasal column part from the nostril part, a comfortable space is provided between the cover part and the nasal column part as in the second aspect. As a result, the mounting stability of the nasal column portion with respect to the covering portion is improved.

(Claim 5)
The intermediate contour forming portion of the cover portion is cut so as to correspond to the lip portion, and is formed so that the upper side portion and the lower side portion are overlapped. To expose. For this reason, when drinking drinking water etc. of a glass with a straw, there is the convenience which only needs to roll up an upper side part, without removing a covering part.

(About claims 6-8)
The cutout portion has a substantially U-shaped, substantially parabolic shape or substantially V-shaped opening peripheral portion, and can cope with various designs according to the user's preference.

(About claim 9)
Since the opening peripheral part of the notch part is edged by ultrasonic welding, the opening peripheral part of the notch part is given a shape maintaining function, and the mounting functionality of the cover part on the face is further improved.

(About claim 10)
A melt-blown (MELT BLOWN) type non-woven fabric formed by heat-sealing an aggregate of polypropylene microfibers is superimposed on the outside of the non-woven fabric to give bacterial filterability and particle filterability. For this reason, the mega three-dimensional mask becomes a two-layered form having bacterial filterability and particle filterability, and the contamination resistance is improved, so that it becomes more hygienic.

(About claim 11)
An outermost nonwoven fabric made of an aggregate of polypropylene short fibers is further superimposed on the outside of a meltblown type (MELT BLOWN) nonwoven fabric to provide waterproofness and water repellency. For this reason, the mega three-dimensional mask becomes a three-layered form having waterproofness and water repellency, and the contamination resistance is further improved, which makes it extremely hygienic.

(About claim 12)
Since a treatment layer containing activated carbon or an antibacterial agent is interposed inside the outermost non-woven fabric, the entry of foreign substances such as bacteria, fine dust, and fine particles into the cover is further prevented, and it becomes extremely hygienic.

  The angle between the upper straight line portion and the intermediate contour forming portion and the angle formed between the intermediate contour forming portion and the lower straight line portion are set to be in the range of 100 to 155 degrees, respectively, on the leading edge of the covering portion. ing. For this reason, it is possible to ensure a comfortable space between the cover part and the nostril part while keeping good wearability with respect to the face of the cover part. The cover portion has a vertically symmetric shape, and it is possible to attach the cover portion from either the forward or reverse direction without any distinction between the upper and lower sides. Since the notches are formed on the left and right rear sides of the cover, no wrinkles are formed on the rear side of the cover when worn and no gap is formed, resulting in improved adhesion to the face and good coverage. It is done.

A first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 (a) shows a mega solid mask 1 to be attached by hooking a worn rubber string 3 on an ear part 4, and FIG. 1 (c) shows a mega solid mask 1 to be worn by winding the worn rubber string 3 around the back of the head. Show. The cup-shaped cover portion 2 of the mega three-dimensional mask 1 is formed by using as a spunbond a nonwoven fabric 2A formed by heat-sealing an aggregate of polypropylene fibers, which are thermoplastics, as shown in FIG. Yes. The top strip of the cover part 2 forms a heat-sealing part 2b oriented in the vertical direction, and when the mega solid mask 1 is worn, a non-contact space is provided to the mouth and nostril part to make the user feel stuffy I try not to let you.

  The wearing rubber string 3 is joined to the left and right outer portions of the covering portion 2 by ultrasonic welding. The ultrasonic welding is performed by pressing a welding rod (not shown) of a welding apparatus against the left and right rear ends of the wearing rubber string 3 to form a joint 3a joined at two points.

  At the left and right rear side portions of the cover portion 2, a notch portion 5 is formed toward the front side portion of the cover portion 2 from between the joint portions 3 a to which the worn rubber strings 3 are joined. The opening peripheral part 5a of the notch part 5 has a substantially parabolic shape, and is bordered by ultrasonic welding. The opening peripheral part 5a of the notch part 5 is given a shape maintaining function, and the mounting function of the cover part 2 with respect to the face is provided. It is trying to improve further.

  As shown in FIGS. 2A and 2B, the top strip of the cover 2 is composed of an upper straight portion 6, an arc-shaped intermediate contour forming portion 7 having a predetermined radius of curvature R, and a lower straight portion 8. Therefore, it is made to be vertically symmetrical. The angle (θ) formed by the upper straight line portion 6 and the intermediate contour forming portion 7 and the angle (θ) formed by the intermediate contour forming portion 7 and the lower straight line portion 8 are set in the range of 100 to 155 degrees, respectively. is doing.

  In this case, as an example, the length M of the upper straight portion 6 and the lower straight portion 8 is 2.5 to 3 cm, and the maximum width N between the upper straight portion 6 and the lower straight portion 8 is 13.5 to 14.5 cm. The minimum width S between the notch portion 5 and the intermediate contour forming portion 7 is 7 to 8.5 cm, the distance P between the two joint portions 3a is 4 to 5 cm, the joint portion 3a and the rear end 2a of the cover portion 2 The distance Q between them is 0.4 to 0.8 cm.

  In the tip strip portion of the cover portion 2 having the above-described configuration, the angle (θ) is in the range of 100 degrees to 155 degrees between the upper straight portion 6, the intermediate contour forming portion 7, and the lower straight portion 8. Since it was set as mentioned above, it is possible to secure a comfortable space between the cover part 2 and the nostril part while keeping good wearability with respect to the face of the cover part 2. Since the cover portion 2 has a vertically symmetrical shape, there is no need to distinguish between the upper and lower sides, and the mega solid mask 1 can be attached conveniently from both forward and reverse directions.

  Since the notch portion 5 is formed on the rear side portion of the cover portion 2, wrinkles or the like do not approach the rear side portion of the cover portion 2 when worn, and the adhesion of the cover portion 2 increases from the cheek portion to the temple portion. Good covering property of the covering portion 2 with respect to can be obtained, and mounting functionality is improved. While providing these useful functions, it is not necessary to add any new member, the manufacturing cost is reduced, and it is inexpensive and excellent in mass productivity.

  FIG. 3 shows a second embodiment of the present invention. In Example 2, a melt blown (MELT BLOWN) type non-woven fabric 10 formed by heat-sealing an aggregate of polypropylene microfibers is overlapped on the outside of the non-woven fabric 2A in the cover portion 2 shown in FIG. Filterability and particle filterability are imparted {see (b) in the figure}. For this reason, the mega three-dimensional mask 1 becomes a two-layered form having bacterial filterability and particle filterability, and the contamination resistance is improved, which makes it more hygienic.

  FIG. 4 shows a third embodiment of the present invention. In Example 3, in the cover portion 2 shown in FIG. 4A, the outermost nonwoven fabric 11 made of an aggregate of polypropylene short fibers is further overlapped as a spunbond on the outside of the meltblown nonwoven fabric 10 to provide waterproofing and Water repellency is imparted {see (B) in the figure}. Thereby, the mega three-dimensional mask 1 becomes a three-layered form having waterproofness and water repellency, and the contamination resistance is further improved, which makes it extremely hygienic.

  FIG. 5 shows a fourth embodiment of the present invention. Example 4 differs from Example 3 in that a treatment layer 12 containing activated carbon and an antibacterial agent is interposed between the meltblown nonwoven fabric 10 and the outermost nonwoven fabric 11 in the cover portion 2 shown in FIG. That is. Thereby, the cover part 2 forms four layers, and invasion of foreign matters such as bacteria, fine dust and fine particles into the cover part 2 is further prevented, and the sanitary remarkably becomes excellent.

  FIG. 6 shows a fifth embodiment of the present invention. In Example 5, the left and right end portions of the cover portion 2 are formed of a thin porous nonwoven fabric 13. The joint 14 between the nonwoven fabric 2A and the porous nonwoven fabric 13 is heat-sealed with the folded overlapping portion 13a. Although the thin porous nonwoven fabric 13 is in a position corresponding to the cheek part of the face, it does not rub or steam the cheek part because it has good breathability and is soft.

  FIG. 7 shows Embodiment 6 of the present invention. Example 6 differs from Example 1 in that the shape of the tip strip of cover 2 is formed in a heart shape. For this reason, the intermediate contour forming part 7 of the cover part 2 also has a heart shape, a comfortable space is generated between the cover part 2 and the nose column part, and the mounting stability of the cover part 2 with respect to the nose column part is improved. .

  FIG. 8 shows a seventh embodiment of the present invention. Example 7 differs from Example 1 in that the shape of the tip strip of cover 2 is formed in an approximately L shape so as to correspond to the nasal column from the nostril. For this reason, the intermediate contour forming portion 7 of the cover portion 2 is also substantially L-shaped, and a comfortable space is created between the cover portion 2 and the nose column portion as in the sixth embodiment. Mounting stability is good.

FIG. 9 shows Embodiment 8 of the present invention. Example 8 differs from Example 1 in that, as shown in FIG. 9A, the intermediate contour forming part 7 of the cover part 2 is cut so as to correspond to the lip part, and the upper side part 2U and the lower side part. 2D is formed so as to overlap.
In this case, the lip portion can be exposed by raising the upper side portion 2U with respect to the lower side portion 2D. For this reason, as shown to (B) of the figure, when sucking drinking water etc. of the glass G with the straw W etc., there is the convenience which only needs to raise the upper side part 2U, without removing the cover part 2. FIG.

(Modification)
(A) The opening peripheral part of the notch part 5 in the cover part 2 may be substantially U-shaped or substantially V-shaped as shown in FIGS. As shown in (b) and (b), a rounded W shape or a shape in which the back part undulates in three mountains may be used.
(B) As shown in FIGS. 12A and 12B, the opening peripheral portion of the notch 5 may be a shape in which the back portion undulates in two ridges or an acute W shape, As shown in (a) and (b) of FIG. 13, the back portion may have a bowl bottom shape or a pan bottom shape.
(C) As shown in FIGS. 14 (A) and 14 (B), the opening peripheral edge of the notch 5 may have a bullet-shaped shape or a raised bottom, or ( As shown in (b) and (b), the back part may be substantially trapezoidal or may be substantially S-shaped.

(D) Although the mega three-dimensional mask 1 is discarded after use, the mega three-dimensional mask 1 may be used repeatedly in a light work hygiene site or personal use.
About the shape of the opening peripheral part of the notch part 5, you may change into various designs according to a user's liking, fashion, etc. not only in said modification.

(A) is a perspective view of a mega three-dimensional mask showing a wearing state, (B) is an enlarged partial longitudinal sectional view taken along the line m-m in (A), and (C) is a mega showing a case where a worn rubber string is hung on the back of the head. (Example 1) which is a perspective view of a three-dimensional mask. (A), (B) is a side view of a mega solid mask shown for explaining the shape and dimensional relationship (Example 1). (A) is a perspective view of the mega solid mask which shows a wearing state, (b) is an expanded partial longitudinal cross-sectional view along the AA line of (b) (Example 2). (A) is a perspective view of the mega solid mask which shows a wearing state, (b) is an expanded partial longitudinal cross-sectional view which follows the BB line of (b) (Example 3). (A) is a perspective view of the mega solid mask which shows a wearing state, (b) is an expanded partial longitudinal cross-sectional view which follows CC line of (a) (Example 4). (Example 5) which is a perspective view of a mega solid mask. (Example 6) which is a side view of a mega solid mask. (Example 7) which is a side view of a mega solid mask. (A) is a side view of a mega solid mask, (b) is a side view which shows the effect | action of a mega solid mask (Example 8). (A), (b) is a side view which shows the shape of a notch part (modification). (A), (b) is a side view which shows the shape of a notch part (modification). (A), (b) is a side view which shows the shape of a notch part (modification). (A), (b) is a side view which shows the shape of a notch part (modification). (A), (b) is a side view which shows the shape of a notch part (modification). (A), (b) is a side view which shows the shape of a notch part (modification).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mega solid mask 2 Cover part 2U Upper side part 2D Lower side part 2A Nonwoven fabric 3 Wearing rubber string 3a Joining part 4 Ear part 5 Notch part 5a Opening peripheral part of notch part 6 Upper straight line part 7 Middle outline formation part 8 Lower straight line part 10 Melt blown (MELT BLOWN) type nonwoven fabric 11 Outermost nonwoven fabric 12 Treatment layer

Claims (12)

A cup-shaped cover provided by a non-woven fabric formed by heat-sealing an aggregate of polypropylene fibers which are thermoplastics;
It is equipped with a rubber band to be worn on the ear part and the back of the head by joining two points by ultrasonic welding to the left and right rear side parts of this cover part,
The top strip of the covering portion is composed of an upper straight portion, an intermediate contour forming portion, and a lower straight portion, an angle formed by the upper straight portion and the intermediate contour forming portion, and the intermediate contour forming portion and the lower straight portion. Are set so that each of the angles is in the range of 100 to 155 degrees,
A mega three-dimensional mask characterized in that a notch portion is formed on the left and right rear side portions of the cover portion from between a joint portion to which the worn rubber string is bonded toward a front side portion of the cover portion.   The mega solid mask according to claim 1, wherein the intermediate contour forming portion of the covering portion has an arc shape with a predetermined radius of curvature.   The mega solid mask according to claim 1, wherein the intermediate contour forming portion of the covering portion has a heart shape.   2. The mega three-dimensional mask according to claim 1, wherein the intermediate contour forming portion of the covering portion has a substantially L shape so as to correspond to a nasal column portion from a nose mouth portion.   The intermediate contour forming part of the covering part is cut so as to correspond to the lip part and is formed so that the upper side part and the lower side part are overlapped, and the upper side part is raised with respect to the lower side part The mega three-dimensional mask according to claim 1, wherein the lip portion is exposed.   The mega three-dimensional mask according to claim 1, wherein the cutout portion has a substantially U-shaped opening peripheral portion.   The mega three-dimensional mask according to claim 1, wherein the cutout portion has a substantially parabolic shape at an opening peripheral edge portion.   The mega three-dimensional mask according to claim 1, wherein the cutout portion has a substantially V-shaped opening peripheral portion.   The mega three-dimensional mask according to any one of claims 1 to 8, wherein an edge of the opening of the notch is edged by ultrasonic welding.   The mega three-dimensional mask according to claim 1, wherein a melt-blown nonwoven fabric formed by heat-sealing an aggregate of polypropylene ultrafine fibers is superimposed on the outside of the nonwoven fabric to impart bacterial filterability and particle filterability. .   11. The mega three-dimensional mask according to claim 10, wherein an outermost nonwoven fabric made of an aggregate of polypropylene short fibers is further superimposed on the outside of the meltblown nonwoven fabric to provide waterproofness and water repellency. The mega three-dimensional mask according to claim 11, wherein a treatment layer containing activated carbon or an antibacterial agent is interposed inside the outermost nonwoven fabric.

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