JP6862078B1 - Disposable mask - Google Patents

Disposable mask Download PDF

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JP6862078B1
JP6862078B1 JP2021007883A JP2021007883A JP6862078B1 JP 6862078 B1 JP6862078 B1 JP 6862078B1 JP 2021007883 A JP2021007883 A JP 2021007883A JP 2021007883 A JP2021007883 A JP 2021007883A JP 6862078 B1 JP6862078 B1 JP 6862078B1
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mask
woven fabric
skin
filter member
wearer
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JP2022013617A (en
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慶 若杉
慶 若杉
光大 古屋
光大 古屋
慎平 小松
慎平 小松
秀行 石川
秀行 石川
須田　朋和
朋和 須田
芳織 古屋
芳織 古屋
和昌 渡邉
和昌 渡邉
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Uni Charm Corp
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Uni Charm Corp
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Abstract

【課題】マスク内の蒸れを改善し、着用者が冷感を実感しやすい使い捨てマスクを提供すること。【解決手段】マスク本体部（１０、４０）と、着用者の耳に掛けられる耳掛け部（２０、５０）と、を有し、前記マスク本体部（１０、２０）は、ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材（１１、４１）と、前記フィルタ部材（１１、４１）の肌面側に設けられ、かつ、吸熱剤（３０）が配された不織布（１２、４２）と、を有することを特徴とする使い捨てマスク（１、２）。【選択図】図２PROBLEM TO BE SOLVED: To provide a disposable mask which improves stuffiness in a mask and makes it easy for a wearer to feel a feeling of coldness. SOLUTION: The mask main body (10, 40) has an ear hook (20, 50) to be hung on the wearer's ear, and the mask main body (10, 20) has virus droplets and bacteria. A non-woven fabric (12, 42) provided on the skin surface side of the filter member (11, 41) for collecting at least one of the droplets and the heat absorbing agent (30). And, a disposable mask (1, 2) characterized by having. [Selection diagram] Fig. 2

Description

本発明は、使い捨てマスクに関する。 The present invention relates to a disposable mask.

マスクは、着用者の顔面に接触して使用されるため、特許文献１には、マスクの最内層材に保湿剤、湿潤剤を付与することが開示されている。このようなマスクによれば、装着時の肌触りが良好で、しっとり感が得られる。 Since the mask is used in contact with the wearer's face, Patent Document 1 discloses that a moisturizer and a moisturizer are applied to the innermost layer material of the mask. According to such a mask, it feels good to the touch when worn and a moist feeling can be obtained.

特開２０１９−５２４００号公報JP-A-2019-52400

マスクには、着用者の湿った息によりマスク内の空間が蒸れやすいという問題がある。特に夏の暑い時期には、長時間のマスクの着用により熱中症が発生する恐れがある。特許文献１のマスクには保湿剤が付与されているため、マスクと接触した肌部分において、着用者はひんやり感（接触冷感）が得られる。
しかし、保湿剤による冷感は、保湿剤の温度と着用者の体温との温度差による冷感である。そのため、外気温と同程度の温度となる保湿剤による接触冷感では、冷感効果が低く、マスク内の蒸れを改善するには不十分である。また、通常、マスクの外周端は着用者の肌に密着しやすいが、マスクの中央部では着用者との間に空間が生じやすい。そのため、着用者の息により蒸れやすいマスクの中央部において、着用者の肌は保湿剤と接触し難く、着用者は冷感を実感し難い。 The mask has a problem that the space inside the mask tends to get stuffy due to the wet breath of the wearer. Especially in the hot summer months, wearing a mask for a long time may cause heat stroke. Since the mask of Patent Document 1 is provided with a moisturizer, the wearer can obtain a cool feeling (cool contact feeling) on the skin portion in contact with the mask.
However, the cooling sensation due to the moisturizer is a cooling sensation due to the temperature difference between the temperature of the moisturizer and the body temperature of the wearer. Therefore, the cool contact sensation caused by the moisturizer, which has a temperature similar to the outside air temperature, has a low cooling sensation effect and is insufficient to improve the stuffiness in the mask. Further, normally, the outer peripheral edge of the mask tends to be in close contact with the wearer's skin, but a space is likely to be created between the mask and the wearer at the central portion of the mask. Therefore, in the central part of the mask, which is easily stuffed by the wearer's breath, the wearer's skin is hard to come into contact with the moisturizer, and the wearer is hard to feel a cold feeling.

本発明は、上記のような問題に鑑みてなされたものであって、その目的とするところは、マスク内の蒸れを改善し、着用者が冷感を実感しやすい使い捨てマスクを提供することにある。 The present invention has been made in view of the above problems, and an object of the present invention is to provide a disposable mask that improves stuffiness in the mask and makes it easy for the wearer to feel a cool feeling. is there.

上記目的を達成するための主たる発明は、
マスク本体部と、着用者の耳に掛けられる耳掛け部と、を有する使い捨てマスクであって、
前記マスク本体部は、
ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材と、
前記フィルタ部材の肌面側に設けられ、かつ、吸熱剤が配された不織布と、
を有し、
前記吸熱剤は、キシリトールであり、
前記マスク本体部は、
上下方向及び左右方向を有し、
前記上下方向の中央部において、前記フィルタ部材及び前記不織布は、前記左右方向に沿う折り目によってプリーツ状に折り畳まれており、
前記マスク本体部の前記左右方向の両側部では、前記フィルタ部材及び前記不織布が前記プリーツ状に折り畳まれた状態で接合されており、
前記マスク本体部の前記左右方向の両側部では、前記上下方向の端部に比べて、前記上下方向の中央部の方が、前記吸熱剤の坪量が高いことを特徴とする使い捨てマスクである。
本発明の他の特徴については、本明細書及び添付図面の記載により明らかにする。 The main invention for achieving the above object is
A disposable mask having a mask body and an ear hook that can be hung on the wearer's ear.
The mask body
A filter member that collects at least one of virus droplets and bacterial droplets,
A non-woven fabric provided on the skin surface side of the filter member and having an endothermic agent arranged therein.
Have,
The endothermic agent is xylitol and
The mask body
It has a vertical direction and a horizontal direction,
At the central portion in the vertical direction, the filter member and the non-woven fabric are pleated by creases along the horizontal direction.
At both sides of the mask main body in the left-right direction, the filter member and the non-woven fabric are joined in a pleated state.
It is a disposable mask characterized in that, on both side portions of the mask main body portion in the left-right direction, the basis weight of the heat absorbing agent is higher in the central portion in the vertical direction than in the end portions in the vertical direction. ..
Other features of the present invention will be clarified by the description of the present specification and the accompanying drawings.

本発明によれば、マスク内の蒸れを改善し、着用者が冷感を実感しやすい使い捨てマスクを提供することができる。 According to the present invention, it is possible to provide a disposable mask that improves the stuffiness in the mask and makes it easy for the wearer to feel a cool feeling.

第１実施形態の使い捨てマスク１の平面図である。It is a top view of the disposable mask 1 of 1st Embodiment. 図１のI−I線におけるマスク１の断面図である。It is sectional drawing of the mask 1 in the line I-I of FIG. マスク１の着用状態を示す図である。It is a figure which shows the wearing state of the mask 1. 図４Ａは第２実施形態の使い捨てマスク２の折り畳み状態を示す平面図であり、図４Ｂは展開状態のマスク２の正面図である。FIG. 4A is a plan view showing the folded state of the disposable mask 2 of the second embodiment, and FIG. 4B is a front view of the mask 2 in the unfolded state. 着用状態のマスク２の正面図である。It is a front view of the mask 2 in the wearing state. 着用状態のマスク２を上から見た概略図である。It is the schematic which looked at the mask 2 in the wearing state from the top.

本明細書及び添付図面の記載により、少なくとも以下の事項が明らかとなる。
マスク本体部と、着用者の耳に掛けられる耳掛け部と、を有する使い捨てマスクであって、前記マスク本体部は、ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材と、前記フィルタ部材の肌面側に設けられ、かつ、吸熱剤が配された不織布と、
を有する。 The description of this specification and the accompanying drawings will clarify at least the following matters.
A disposable mask having a mask main body and an ear hook that can be hung on the wearer's ear. The mask main body includes a filter member that collects at least one of virus droplets and bacterial droplets, and the filter member. A non-woven fabric that is provided on the skin side of the skin and has a heat absorbing agent.
Have.

このような使い捨てマスクによれば、吸熱剤が着用者の湿った息に接触して吸熱反応を起こし、マスク内の空間温度が下がるため、マスク内の蒸れを改善できる。また、フィルタ部材によって、着用者の息及び吸熱剤がマスク内の空間に留まりやすい。そのため、着用者の息と吸熱剤の接触時間が増えて冷感効果が高まり、また、冷感効果の持続性が高まる。よって、着用者がマスクの冷感を実感しやすくなる。 According to such a disposable mask, the endothermic agent comes into contact with the wearer's moist breath to cause an endothermic reaction, and the space temperature in the mask is lowered, so that the stuffiness in the mask can be improved. In addition, the filter member makes it easier for the wearer's breath and heat absorber to stay in the space inside the mask. Therefore, the contact time between the wearer's breath and the endothermic agent is increased, the cooling sensation effect is enhanced, and the duration of the cooling sensation effect is enhanced. Therefore, the wearer can easily feel the cold feeling of the mask.

かかる使い捨てマスクであって、前記吸熱剤は、糖アルコール類、及び、糖類のうちの何れか１つを含む。 In such a disposable mask, the endothermic agent contains any one of sugar alcohols and sugars.

このような使い捨てマスクによれば、吸熱剤が着用者の口元に触れた際にも安全である。 According to such a disposable mask, it is safe even when the heat absorbing agent touches the wearer's mouth.

かかる使い捨てマスクであって、前記フィルタ部材の非肌側面は、前記マスク本体部の非肌側面の少なくとも一部を形成しており、前記不織布の肌側面は、前記マスク本体部の肌側面の少なくとも一部を形成している。 In such a disposable mask, the non-skin side surface of the filter member forms at least a part of the non-skin side surface of the mask body portion, and the skin side surface of the non-woven fabric is at least the skin side surface of the mask body portion. It forms a part.

このような使い捨てマスクによれば、マスク本体部において厚さ方向に積層される資材の数が少なくなるため、マスク内の蒸れを改善できる。 According to such a disposable mask, the number of materials laminated in the thickness direction in the mask main body portion is reduced, so that the stuffiness in the mask can be improved.

かかる使い捨てマスクであって、前記フィルタ部材は、ポリオレフィン系繊維からなる不織布が誘電分極されたシートであり、前記吸熱剤は、アルコールを含まない。 In such a disposable mask, the filter member is a sheet in which a non-woven fabric made of a polyolefin fiber is dielectrically polarized, and the endothermic agent does not contain alcohol.

このような使い捨てマスクによれば、吸熱剤のアルコール成分によって、フィルタ部材の捕集効果が軽減してしまうことを抑制できる。 According to such a disposable mask, it is possible to prevent the alcohol component of the endothermic agent from reducing the collecting effect of the filter member.

かかる使い捨てマスクであって、前記吸熱剤は、不揮発性である。 In such a disposable mask, the endothermic agent is non-volatile.

このような使い捨てマスクによれば、マスクの使用前から吸熱剤が揮発してフィルタ部材に付着し、フィルタ部材の捕集効果が軽減してしまうことを抑制できる。 According to such a disposable mask, it is possible to prevent the heat absorbing agent from volatilizing and adhering to the filter member even before the mask is used, and reducing the collecting effect of the filter member.

かかる使い捨てマスクであって、前記フィルタ部材の外周端と、前記不織布の外周端とが一致している。 In such a disposable mask, the outer peripheral edge of the filter member and the outer peripheral edge of the non-woven fabric coincide with each other.

このような使い捨てマスクによれば、マスク本体部の平面の広範囲に亘り、不織布（吸熱剤）を配することができ、マスク内の広範囲の空間温度を下げることができる。マスク本体部の平面の広範囲に亘り、フィルタ部材を配することができ、フィルタ部材の捕集効果が高まる。 According to such a disposable mask, the non-woven fabric (heat absorbing agent) can be arranged over a wide range of the flat surface of the mask main body, and the space temperature in the wide range in the mask can be lowered. The filter member can be arranged over a wide range of the plane of the mask main body, and the collection effect of the filter member is enhanced.

かかる使い捨てマスクであって、前記フィルタ部材は、前記不織布に比べて、前記吸熱剤の坪量が低い。 In such a disposable mask, the filter member has a lower basis weight of the endothermic agent than the non-woven fabric.

このような使い捨てマスクによれば、着用者に近い不織布に多くの吸熱剤が配されることで、着用者に近い位置にて吸熱反応が起こりやすく、着用者は冷感を実感しやすくなる。また、フィルタ部材に吸熱剤が付着していることによりフィルタ部材の捕集効果が軽減してしまうことを抑制できる。 According to such a disposable mask, since a large amount of endothermic agent is arranged on the non-woven fabric close to the wearer, an endothermic reaction is likely to occur at a position close to the wearer, and the wearer is likely to feel a cool feeling. Further, it is possible to prevent the collecting effect of the filter member from being reduced due to the adhesion of the endothermic agent to the filter member.

かかる使い捨てマスクであって、前記フィルタ部材には前記吸熱剤が配されていない。 In such a disposable mask, the endothermic agent is not arranged on the filter member.

このような使い捨てマスクによれば、フィルタ部材に吸熱剤が付着していることによりフィルタ部材の捕集効果が軽減してしまうことを抑制できる。 According to such a disposable mask, it is possible to prevent the collecting effect of the filter member from being reduced due to the adhesion of the endothermic agent to the filter member.

かかる使い捨てマスクであって、前記マスク本体部は、上下方向及び左右方向を有し、前記上下方向の中央部において、前記フィルタ部材及び前記不織布は、前記左右方向に沿う折り目によってプリーツ状に折り畳まれており、前記マスク本体部の前記左右方向の両側部では、前記フィルタ部材及び前記不織布が前記プリーツ状に折り畳まれた状態で接合されており、かつ、前記上下方向の端部に比べて、前記上下方向の中央部の方が、前記吸熱剤の坪量が高い。 In such a disposable mask, the mask main body portion has a vertical direction and a horizontal direction, and at the central portion in the vertical direction, the filter member and the non-woven fabric are folded in a pleated shape by a crease along the horizontal direction. At both sides of the mask body in the left-right direction, the filter member and the non-woven fabric are joined in a pleated state, and the mask main body is joined as compared with the end in the vertical direction. The basis weight of the heat absorbing agent is higher in the central portion in the vertical direction.

このような使い捨てマスクによれば、着用者の鼻孔や口元に近い上下方向の中央部において、より多くの吸熱剤が着用者の息と接触でき、冷感効果が高まる。また、マスク本体部の左右方向両側部は着用者の頬に接触するため、その部分において吸熱剤の坪量が高い部分を設けることで、着用者は冷感を実感しやすくなる。 According to such a disposable mask, more endothermic agent can come into contact with the wearer's breath in the central portion in the vertical direction near the wearer's nostrils and mouth, and the cooling sensation effect is enhanced. Further, since both sides of the mask body in the left-right direction come into contact with the wearer's cheeks, the wearer can easily feel a cool feeling by providing a portion having a high basis weight of the endothermic agent in that portion.

かかる使い捨てマスクであって、前記マスク本体部は、上下方向、左右方向、及び厚さ方向を有し、前記マスク本体部の上端部及び下端部の少なくとも一方は、前記フィルタ部材及び前記不織布が非肌面側に折り返された折返し部を有し、前記厚さ方向に前記折返し部と重なる前記マスク本体部の非折返し部において、前記不織布の肌側面に前記吸熱剤が配されている。 In such a disposable mask, the mask main body portion has a vertical direction, a horizontal direction, and a thickness direction, and at least one of the upper end portion and the lower end portion of the mask main body portion does not include the filter member and the non-woven fabric. The heat absorbing agent is arranged on the skin side surface of the non-woven fabric in the non-folded portion of the mask main body portion which has a folded portion folded back on the skin surface side and overlaps with the folded portion in the thickness direction.

このような使い捨てマスクによれば、マスク本体部の上下端部において、吸熱剤が配された不織布がフィルタ部材で肌側から覆われてしまうことを防止できる。よって、着用者に近い位置にて吸熱反応が起こりやすく、着用者は冷感を実感しやすくなる。 According to such a disposable mask, it is possible to prevent the non-woven fabric on which the heat absorbing agent is arranged from being covered from the skin side by the filter member at the upper and lower ends of the mask main body. Therefore, an endothermic reaction is likely to occur at a position close to the wearer, and the wearer is likely to feel a feeling of coldness.

かかる使い捨てマスクであって、前記マスク本体部の前記上端部は、前記折返し部を有し、当該折返し部における前記不織布の非肌側面に前記吸熱剤が配されている。 In such a disposable mask, the upper end portion of the mask main body portion has the folded-back portion, and the endothermic agent is arranged on the non-skin side surface of the non-woven fabric in the folded-back portion.

このような使い捨てマスクによれば、マスクの外に排出された息が上昇する際に、折り返し部の非肌側面（外側面）の吸熱剤に接触しやすく、マスク本体部の上端部付近の温度を下げることができる。また、息の温度も下がるため、着用者の眼鏡が曇り難くなる。 According to such a disposable mask, when the breath discharged to the outside of the mask rises, it is easy to come into contact with the endothermic agent on the non-skin side surface (outer surface) of the folded portion, and the temperature near the upper end portion of the mask main body portion. Can be lowered. In addition, the temperature of the breath is lowered, so that the wearer's glasses are less likely to become cloudy.

かかる使い捨てマスクであって、前記マスク本体部は、着用者の右顔面及び左顔面をそれぞれ覆う一対のシート部と、前記一対のシート部を接合する接合部を有し、前記使い捨てマスクの着用状態において、前記マスク本体部は、上下方向、及び、左右方向を有し、前記マスク本体部の前記左右方向の中央部は、前記左右方向の両端部に比べて前記吸熱剤の坪量が高い高坪量部を有する。 In such a disposable mask, the mask main body has a pair of sheet portions that cover the wearer's right face and left face, and a joint portion that joins the pair of sheet portions, and the wearable state of the disposable mask. The mask main body has a vertical direction and a horizontal direction, and the central portion of the mask main body in the horizontal direction has a higher basis weight of the heat absorbing agent than both ends in the horizontal direction. It has a basis weight part.

このような使い捨てマスクによれば、着用者の鼻孔や口元に近いマスク本体部の左右方向の中央部において、より多くの吸熱剤が着用者の息と接触することができ、冷感効果が高まる。 According to such a disposable mask, more endothermic agent can come into contact with the wearer's breath at the center of the mask body in the left-right direction near the wearer's nostrils and mouth, and the cooling effect is enhanced. ..

かかる使い捨てマスクであって、前記高坪量部は、前記マスク本体部の上端から下端まで前記上下方向に連続して配されている。 In such a disposable mask, the high basis weight portion is continuously arranged in the vertical direction from the upper end to the lower end of the mask main body portion.

このような使い捨てマスクによれば、着用者の鼻孔や口元に近いマスク本体部の左右方向の中央部において、より多くの吸熱剤が着用者の息と接触することができ、冷感効果が高まる。 According to such a disposable mask, more endothermic agent can come into contact with the wearer's breath at the center of the mask body in the left-right direction near the wearer's nostrils and mouth, and the cooling effect is enhanced. ..

かかる使い捨てマスクであって、前記耳掛け部は、前記マスク本体部の肌側面に接合されている。 In such a disposable mask, the ear hook portion is joined to the skin side surface of the mask main body portion.

このような使い捨てマスクによれば、耳掛け部が接合されたマスク本体部の部分（着用者の肌に密着しやすい部分）において、不織布よりも肌側に耳掛け部が設けられるため、吸熱剤が着用者の肌に直接に強く密着してしまうことを防止できる。 According to such a disposable mask, the ear hook portion is provided on the skin side of the non-woven fabric in the mask main body portion (the portion that easily adheres to the wearer's skin) to which the ear hook portion is joined. Can prevent the wearer from sticking directly to the wearer's skin.

かかる使い捨てマスクであって、前記吸熱剤は、前記不織布を構成する繊維の少なくとも一部に練りこまれている。 In such a disposable mask, the endothermic agent is kneaded into at least a part of fibers constituting the non-woven fabric.

このような使い捨てマスクによれば、不織布から吸熱剤が脱落し難く、吸熱剤による冷感効果の持続性が高まる。 According to such a disposable mask, the endothermic agent is less likely to fall off from the non-woven fabric, and the sustainability of the cooling sensation effect of the endothermic agent is enhanced.

かかる使い捨てマスクであって、前記吸熱剤は、前記不織布の肌側面に塗布されている。 In such a disposable mask, the endothermic agent is applied to the skin side surface of the non-woven fabric.

このような使い捨てマスクによれば、着用者に近い位置に吸熱剤が配され、吸熱剤が着用者の息と接触しやすくなるため、冷感効果が高まる。 According to such a disposable mask, the endothermic agent is arranged at a position close to the wearer, and the endothermic agent easily comes into contact with the wearer's breath, so that the cooling sensation effect is enhanced.

かかる使い捨てマスクであって、前記不織布は、親水性繊維を含む。 In such a disposable mask, the non-woven fabric contains hydrophilic fibers.

このような使い捨てマスクによれば、不織布の親水性繊維によって不織布内に水分が保持されやすくなり、吸熱剤の吸熱反応が起こりやすくなるため、冷感効果が高まる。 According to such a disposable mask, the hydrophilic fibers of the non-woven fabric make it easy for water to be retained in the non-woven fabric, and the endothermic reaction of the endothermic agent is likely to occur, so that the cooling sensation effect is enhanced.

かかる使い捨てマスクであって、前記フィルタ部材の通気抵抗値は、０．４５ｋＰａ・ｓ／ｍ以下である。 In such a disposable mask, the ventilation resistance value of the filter member is 0.45 kPa · s / m or less.

このような使い捨てマスクによれば、フィルタ部材の通気性が良いため、マスク内が蒸れ難くなる。 According to such a disposable mask, the air permeability of the filter member is good, so that the inside of the mask is less likely to get stuffy.

＝＝第１実施形態＝＝＝
図１は、第１実施形態の使い捨てマスク１（以下「マスク」とも呼ぶ）の平面図である。図２は、図１のI−I線におけるマスク１の断面図である。図３は、マスク１の着用状態を示す図である。 == 1st Embodiment ===
FIG. 1 is a plan view of the disposable mask 1 (hereinafter, also referred to as “mask”) of the first embodiment. FIG. 2 is a cross-sectional view of the mask 1 along the line I-I of FIG. FIG. 3 is a diagram showing a wearing state of the mask 1.

（マスク１の基本構成）
マスク１は、少なくとも着用者の口元と鼻孔を覆うことができるマスク本体部１０と、着用者の耳に掛けられる耳掛け部２０を有する。マスク本体部１０は、上下方向、左右方向、及び厚さ方向を有する。厚さ方向において、着用者の顔面と対向する内側を肌側又は肌面側とも呼び、その反対側である外側を非肌側又は非肌面側とも呼ぶ。 (Basic configuration of mask 1)
The mask 1 has at least a mask main body portion 10 capable of covering the wearer's mouth and nostrils, and an ear hook portion 20 that can be hung on the wearer's ears. The mask main body 10 has a vertical direction, a horizontal direction, and a thickness direction. In the thickness direction, the inside facing the wearer's face is also called the skin side or the skin side, and the outside opposite to the skin side is also called the non-skin side or the non-skin side.

使用前のマスク本体部１０は、厚さ方向から見た平面視（図１）において、左右方向に長い矩形形状を成している。マスク本体部１０は、ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材１１と、フィルタ部材１１の肌面側に設けられた肌側不織布（不織布）１２と、サイドシート１３と、を有する。 The mask main body 10 before use has a rectangular shape that is long in the left-right direction in a plan view (FIG. 1) when viewed from the thickness direction. The mask main body 10 has a filter member 11 that collects at least one of virus droplets and bacterial droplets, a skin-side non-woven fabric (nonwoven fabric) 12 provided on the skin surface side of the filter member 11, and a side sheet 13. ..

フィルタ部材１１は、ウィルス飛沫や細菌飛沫や花粉等の微粒子の捕集効果が高い部材である。具体的には、フィルタ部材１１は、ＢＦＥ（バクテリアろ過効率試験：試験粒子約３μｍ）が９５％以上であることと、ＶＦＥ（ウィルスろ過効率試験：試験粒子約１．７μｍ）が９５％以上であることと、の少なくとも一方を満たす部材であることが好ましい。 The filter member 11 is a member having a high effect of collecting fine particles such as virus droplets, bacterial droplets, and pollen. Specifically, the filter member 11 has a BFE (bacterial filtration efficiency test: test particle about 3 μm) of 95% or more and a VFE (virus filtration efficiency test: test particle about 1.7 μm) of 95% or more. It is preferable that the member satisfies at least one of the above.

フィルタ部材１１としては、ポリオレフィン系繊維からなる不織布が誘電分極された（エレクトレット処理された）シートを例示できる。エレクトレット処理によって、ポリオレフィン系繊維表面に所定量の正電荷或いは負電荷を与えて分極させた誘電状態が形成され、捕集機能が得られる。 As the filter member 11, a sheet in which a non-woven fabric made of a polyolefin fiber is dielectrically polarized (electret-treated) can be exemplified. By the electret treatment, a dielectric state is formed in which a predetermined amount of positive or negative charges are applied to the surface of the polyolefin fiber to polarize the surface, and a collecting function can be obtained.

具体的には、フィルタ部材１１として、ポリオレフィン系繊維であるポリプロピレン繊維を含み、エレクトレット処理されたメルトブロー不織布と、ポリプロピレン繊維を含み、エレクトレット処理されたスパンボンド不織布とが、一体状に形成された、継ぎ目等のない１枚の不織布シートを例示できる。肌側に配されるメルトブロー不織布の平均繊維径が０．５〜３μｍ、坪量が１．５〜５ｇ／ｍ２であるとよい。非肌側に配されるスパンボンド不織布の平均繊維径が１５〜３０μｍ、坪量が１８〜５０ｇ／ｍ２であるとよい。また、上記不織布は、ポリプロピレン繊維のみによって構成されてもよいし、ポリプロピレン繊維に例えばポリエチレン繊維が付加されたものであってもよい。また、非肌側の不織布は、スパンボンド不織布に限らず、スパンレース不織布、エアスルー不織布、ニードルパンチ不織布であってもよい。ただし、上記に限定されず、フィルタ部材１１はエレクトレット処理されていないものであってもよい。例えば、繊維間隙の小さい部材であり、繊維間隙にウィルス飛沫等を付着させて捕集する部材（ナノフィルタ等）をフィルタ部材１１としてもよい。 Specifically, as the filter member 11, a melt-blown non-woven fabric containing polypropylene fibers, which is a polyolefin fiber, and treated with an electret, and a spunbonded non-woven fabric containing polypropylene fibers and treated with an electret are integrally formed. An example is a non-woven fabric sheet having no seams or the like. The average fiber diameter of the melt-blown non-woven fabric arranged on the skin side is 0.5 to 3 μm, and the basis weight is 1.5 to 5 g / m 2 . The average fiber diameter of the spunbonded non-woven fabric arranged on the non-skin side is 15 to 30 μm, and the basis weight is 18 to 50 g / m 2 . Further, the non-woven fabric may be composed of only polypropylene fibers, or may be polypropylene fibers to which, for example, polyethylene fibers are added. The non-woven fabric on the non-skin side is not limited to the spunbonded non-woven fabric, and may be a spunlace non-woven fabric, an air-through non-woven fabric, or a needle punched non-woven fabric. However, the present invention is not limited to the above, and the filter member 11 may be one that has not been electret-processed. For example, the filter member 11 may be a member having a small fiber gap and collecting virus droplets or the like by adhering to the fiber gap (nanofilter or the like).

肌側不織布１２には、吸熱剤３０が配されている。肌側不織布１２は、吸熱剤３０を配することが可能な不織布であればよい。好ましくは、肌触りの良い不織布であるとよく、ポロプロピレン繊維を含むスパンボンド不織布等を例示できる。 An endothermic agent 30 is arranged on the skin-side non-woven fabric 12. The skin-side non-woven fabric 12 may be any non-woven fabric to which the endothermic agent 30 can be arranged. It is preferable that the non-woven fabric is soft to the touch, and examples thereof include spunbonded non-woven fabrics containing polypropylene fibers.

第１実施形態のマスク１は、マスク本体部１０の上下方向の中央部において、フィルタ部材１１及び肌側不織布１２が、左右方向に沿う折り目Ｆによってプリーツ状に折り畳まれて、襞が形成されたプリーツタイプである。図２に示すマスク本体部１０は、非肌側から視認可能な４つの折り目Ｆ１〜Ｆ４と、肌側から視認可能な４つの折り目Ｆ５〜Ｆ８とを有する。折り目Ｆ１〜Ｆ３，Ｆ８は上側に凸となる山折り部であり、折り目Ｆ４，Ｆ５〜Ｆ７は下側に凸となる谷折り部である。ただし、折り目Ｆの数や向きは図２に例示する構成に限定されない。 In the mask 1 of the first embodiment, the filter member 11 and the skin-side non-woven fabric 12 are folded in a pleated shape by the creases F along the left-right direction at the central portion of the mask main body 10 in the vertical direction to form folds. It is a pleated type. The mask main body 10 shown in FIG. 2 has four folds F1 to F4 visible from the non-skin side and four folds F5 to F8 visible from the skin side. The folds F1 to F3 and F8 are mountain folds that are convex upward, and the folds F4, F5 to F7 are valley folds that are convex downward. However, the number and orientation of the creases F are not limited to the configuration illustrated in FIG.

使用前のマスク１では、プリーツ状の折り畳み形状が維持されており、マスク本体部１０はほぼ平坦な状態である。プリーツ状の折り目Ｆによって、マスク本体部１０は上下方向に広がることが可能となり、また、非肌側にΩ形状に隆起可能となる。よって、図３に示すように、マスク１の着用者は、鼻から顎までの長さに応じてマスク本体部１０を上下方向に広げ、マスク本体部１０で口元と鼻孔を覆うことができる。 In the mask 1 before use, the pleated shape is maintained, and the mask main body 10 is in a substantially flat state. The pleated crease F makes it possible for the mask body 10 to expand in the vertical direction and to bulge in an Ω shape on the non-skin side. Therefore, as shown in FIG. 3, the wearer of the mask 1 can spread the mask main body 10 in the vertical direction according to the length from the nose to the chin, and the mask main body 10 can cover the mouth and nostrils.

また、マスク本体部１０の上端部及び下端部は、それぞれフィルタ部材１１及び肌側不織布１２が非肌面側に折り返された折返し部１０１を有する。なお、以下の説明では、厚さ方向に折返し部１０１と重なるマスク本体部１０の部位を非折返し部１０２と呼ぶ。折返し部１０１によって、マスク本体部１０の上下端部の強度が高まる。また、フィルタ部材１１及び肌側不織布１２の開きを抑制できる。 Further, the upper end portion and the lower end portion of the mask main body portion 10 have a folded portion 101 in which the filter member 11 and the skin-side non-woven fabric 12 are folded back to the non-skin surface side, respectively. In the following description, the portion of the mask main body 10 that overlaps the folded portion 101 in the thickness direction is referred to as a non-folded portion 102. The folded-back portion 101 increases the strength of the upper and lower end portions of the mask main body portion 10. Further, the opening of the filter member 11 and the skin-side non-woven fabric 12 can be suppressed.

サイドシート１３は、左右方向におけるマスク本体部１０の両側部に設けられている。プリーツ状の折り目Ｆと上下の折返し部１０１とが維持されたフィルタ部材１１及び肌側不織布１２の左右方向の両側部を、肌側及び非肌側から挟むように、サイドシート１３が設けられている。サイドシート１３は、通気性や肌触りが良好なシートであることが好ましく、例えば、メルトブロー不織布、スパンボンド不織布、ＳＭＳ不織布、エアスルー不織布等を例示できる。 The side sheets 13 are provided on both sides of the mask main body 10 in the left-right direction. A side sheet 13 is provided so as to sandwich the filter member 11 in which the pleated crease F and the upper and lower folded portions 101 are maintained and the left and right side portions of the skin side non-woven fabric 12 from the skin side and the non-skin side. There is. The side sheet 13 is preferably a sheet having good breathability and touch, and examples thereof include melt blow non-woven fabrics, spunbond non-woven fabrics, SMS non-woven fabrics, and air-through non-woven fabrics.

マスク本体部１０は、重なり合うシート同士を接合一体化する溶着部１４、例えば熱溶着や超音波溶着等による溶着部１４を有する。図１に示すように、マスク本体部１０の横方向の両側部では、フィルタ部材１１、肌側不織布１２、及びサイドシート１３を接合する複数の溶着部１４が上下方向に沿って設けられている。マスク本体部１０の上下端部及び上下方向の中央部では、フィルタ部材１１及び肌側不織布１２を接合する複数の溶着部１４が左右方向に沿って設けられている。ただし、溶着部１４のパターンは図１に例示するものに限定されない。また、重なり合うシート同士は接着剤等（例えばホットメルト接着剤）で接合されていてもよい。 The mask main body portion 10 has a welding portion 14 for joining and integrating overlapping sheets, for example, a welding portion 14 by heat welding, ultrasonic welding, or the like. As shown in FIG. 1, a plurality of welding portions 14 for joining the filter member 11, the skin-side non-woven fabric 12, and the side sheet 13 are provided along the vertical direction on both side portions of the mask main body portion 10 in the lateral direction. .. At the upper and lower ends of the mask main body 10 and the central portion in the vertical direction, a plurality of welding portions 14 for joining the filter member 11 and the skin-side non-woven fabric 12 are provided along the left-right direction. However, the pattern of the welded portion 14 is not limited to that illustrated in FIG. Further, the overlapping sheets may be bonded to each other with an adhesive or the like (for example, a hot melt adhesive).

また、図２に示すように、マスク本体部１０の上端部では、折り返し部１０１におけるフィルタ部材１１と非折返し部１０２におけるフィルタ部材１１の間に、形状保持部材１５が配されている。形状保持部材１５は、薄板矩形の部材であり、着用者が容易に曲げることができると共に、再び外力が掛からない限り、その形状が保持される部材である。形状保持部材１５として、可撓性の熱可塑性樹脂や金属片で形成されたもの等を例示できる。マスク１の着用者は、鼻の形に合わせて形状保持部材１５を変形させることができ、マスク本体部１０の上端部と着用者の顔面との間に隙間が生じてしまうことを抑制できる。また、形状保持部材１５の上下方向の両側に溶着部１４が設けられ、形状保持部材１５の位置ずれが抑制されている。 Further, as shown in FIG. 2, at the upper end portion of the mask main body portion 10, a shape holding member 15 is arranged between the filter member 11 in the folded portion 101 and the filter member 11 in the non-folded portion 102. The shape-retaining member 15 is a thin rectangular member that can be easily bent by the wearer and that retains its shape unless an external force is applied again. Examples of the shape-retaining member 15 include those formed of a flexible thermoplastic resin or a metal piece. The wearer of the mask 1 can deform the shape-retaining member 15 according to the shape of the nose, and can prevent a gap from being formed between the upper end of the mask main body 10 and the wearer's face. Further, welding portions 14 are provided on both sides of the shape-retaining member 15 in the vertical direction to prevent the shape-retaining member 15 from being displaced.

耳掛け部２０は、マスク本体部１０の左右方向の両側部からそれぞれ延出したリング状の部材である。耳掛け部２０は、伸縮性を有する部材であることが好ましく、例えば、ゴム紐、伸縮性不織布、伸縮性フィルム等を例示できる。図１に例示する耳掛け部２０は、ゴム紐であり、マスク本体部１０の非肌側面に、接合部１６によって接合されている。ゴム紐（２０）の一端は、マスク本体部１０の上端部の接合部１６にて接合され、ゴム紐（２０）の他端は、マスク本体部１０の下端部の接合部１６にて接合されている。接合部１６の接合としては、溶着や接着剤による接合を例示できる。 The ear hook portion 20 is a ring-shaped member extending from both side portions of the mask main body portion 10 in the left-right direction. The ear hook portion 20 is preferably a stretchable member, and examples thereof include a rubber cord, a stretchable non-woven fabric, and a stretchable film. The ear hook portion 20 illustrated in FIG. 1 is a rubber cord, and is joined to the non-skin side surface of the mask main body portion 10 by a joint portion 16. One end of the rubber cord (20) is joined at the joint portion 16 at the upper end of the mask main body 10, and the other end of the rubber cord (20) is joined at the joint 16 at the lower end of the mask main body 10. ing. Examples of the joining of the joining portion 16 include welding and joining with an adhesive.

（吸熱剤３０を有するマスク１について）
本実施形態のマスク１は、洗濯しながら繰り返し使用されるガーゼ等で形成されたマスクとは異なり、ウィルス飛沫や細菌飛沫を捕集するフィルタ部材１１を備える。そのため、洗濯によってフィルタ部材１１の捕集効果が軽減してしまうことを防止するために、本実施形態のマスク１は使い捨て用として使用されることを想定したマスクである。 (About the mask 1 having the endothermic agent 30)
The mask 1 of the present embodiment includes a filter member 11 that collects virus droplets and bacterial droplets, unlike a mask formed of gauze or the like that is repeatedly used while washing. Therefore, in order to prevent the collecting effect of the filter member 11 from being reduced by washing, the mask 1 of the present embodiment is a mask that is supposed to be used for disposable purposes.

マスクの着用により、ウィルス飛沫等の微粒子の侵入を抑制できる一方で、着用者の湿った息でマスク内の空間が蒸れやすいという問題が生じる。特に夏の暑い時期等には、マスク内の蒸れで熱中症が発生する恐れがある。 Wearing the mask can suppress the invasion of fine particles such as virus droplets, but causes a problem that the space inside the mask tends to get stuffy due to the wearer's moist breath. Especially in the hot summer months, heat stroke may occur due to the stuffiness inside the mask.

そこで、本実施形態のマスク１では、フィルタ部材１１の肌面側に、吸熱剤３０が配された肌側不織布１２が設けられている。吸熱剤３０とは、水と反応して吸熱反応を起こす剤である。 Therefore, in the mask 1 of the present embodiment, the skin-side non-woven fabric 12 on which the heat absorbing agent 30 is arranged is provided on the skin surface side of the filter member 11. The endothermic agent 30 is an agent that reacts with water to cause an endothermic reaction.

そのため、着用者の湿った息が肌側不織布１２の吸熱剤３０に接触し、吸熱剤３０が吸熱反応を起こし、マスク１内の空間温度が低下するため、マスク１内の蒸れが改善される。その結果、マスク１の着用による息苦しさを軽減でき、熱中症の発生を抑制できる。 Therefore, the wearer's moist breath comes into contact with the endothermic agent 30 of the non-woven fabric 12 on the skin side, the endothermic agent 30 causes an endothermic reaction, and the space temperature in the mask 1 is lowered, so that the stuffiness in the mask 1 is improved. .. As a result, it is possible to reduce the suffocation caused by wearing the mask 1 and suppress the occurrence of heat stroke.

特に、ウィルス飛沫等を捕集するフィルタ部材１１は、肌側不織布１２に比べて通気性が低い（通気抵抗値が高い）。そのため、フィルタ部材１１を有さないガーゼ等のマスクに比べて、本実施形態のマスク１では、着用者の息がマスク１の外に排出され難く、マスク1内の空間の密閉度が高い。つまり、着用者の吐いた息や吸熱剤３０がフィルタ部材１１を通過し難く、マスク１内の空間に留まりやすい。よって、着用者の息と吸熱剤３０の接触時間が増え、マスク１内の空間温度が低下しやすく、マスク１内の蒸れが改善されやすい。そのため、着用者はマスク１内の冷感を実感しやすくなる。また、着用者の呼吸によって、吸熱剤３０を含んだ息がフィルタ部材１１の内側において循環しやすいため、冷感効果の持続性も高まる。これによっても、着用者はマスク１内の冷感を実感しやすくなる。 In particular, the filter member 11 that collects virus droplets and the like has lower air permeability (higher air permeability resistance value) than the skin-side non-woven fabric 12. Therefore, in the mask 1 of the present embodiment, the wearer's breath is less likely to be discharged to the outside of the mask 1 as compared with the mask such as gauze which does not have the filter member 11, and the space inside the mask 1 is highly sealed. That is, the breath exhaled by the wearer and the endothermic agent 30 do not easily pass through the filter member 11, and tend to stay in the space inside the mask 1. Therefore, the contact time between the wearer's breath and the endothermic agent 30 increases, the space temperature in the mask 1 tends to decrease, and the stuffiness in the mask 1 tends to be improved. Therefore, the wearer can easily feel the feeling of coldness in the mask 1. Further, since the breath containing the endothermic agent 30 is easily circulated inside the filter member 11 by the wearer's breathing, the sustainability of the cooling sensation effect is also enhanced. This also makes it easier for the wearer to feel the cool feeling inside the mask 1.

また、マスク１は形状保持部材１５を有することが好ましい。そうすることで、マスク１と着用者（顔面）との間に隙間が生じ難く、マスク１内の空間の密閉度が高まる。そのため、着用者の息と吸熱剤３０の接触時間や循環が増えて、冷感効果やその持続性が高まる。ただし上記に限らず、マスク１は形状保持部材１５を有していなくてもよい。 Further, it is preferable that the mask 1 has a shape-retaining member 15. By doing so, a gap is unlikely to occur between the mask 1 and the wearer (face), and the degree of sealing of the space inside the mask 1 is increased. Therefore, the contact time and circulation between the wearer's breath and the endothermic agent 30 are increased, and the cooling sensation effect and its sustainability are enhanced. However, not limited to the above, the mask 1 does not have to have the shape-retaining member 15.

また、本実施形態のマスク１とは異なり、例えばマスクに配された保湿剤等を着用者の肌に接触させることで、ひんやり感（接触冷感）を着用者に付与する場合、保湿剤の温度と着用者の体温との温度差による冷感となる。そのため、外気温が高く、外気温と同程度となる保湿剤の温度が高い場合には、冷感効果が低く、マスク内の蒸れを改善するには不十分であり、着用者は冷感を実感し難い。また、通常、マスクの外周端は着用者の肌に密着しやすいが、マスクの中央部では着用者との間に空間が生じやすい。そのため、接触冷感を付与するマスクでは、着用者の息により蒸れやすいマスクの中央部（鼻孔や口元部分）において、着用者の肌は保湿剤と接触し難く、着用者は冷感を実感し難い。 Further, unlike the mask 1 of the present embodiment, for example, when a moisturizer or the like arranged on the mask is brought into contact with the wearer's skin to give the wearer a cool feeling (cool contact feeling), the moisturizer is used. It gives a feeling of coldness due to the temperature difference between the temperature and the wearer's body temperature. Therefore, when the outside air temperature is high and the temperature of the moisturizer, which is about the same as the outside air temperature, is high, the cooling sensation effect is low, which is insufficient to improve the stuffiness in the mask, and the wearer feels cold. It's hard to realize. Further, normally, the outer peripheral edge of the mask tends to be in close contact with the wearer's skin, but a space is likely to be created between the mask and the wearer at the central portion of the mask. Therefore, in a mask that gives a cool contact feeling, the wearer's skin is hard to come into contact with the moisturizer in the central part (nostrils and mouth part) of the mask, which tends to get stuffy due to the wearer's breath, and the wearer feels a cool feeling. hard.

これに対して、本実施形態のマスク１では、吸熱剤３０の吸熱反応を利用する。そのため、外気温に影響され難く、夏の暑い時期にもマスク１内の空間温度を下げることができ、マスク１内の蒸れを改善できる。また、本実施形態のマスク１では、マスク１内の空間温度を下げるため、マスク１と着用者の肌が接触していない部分でも、着用者は冷感を実感できる。特に、着用者の息により蒸れやすいが、着用者の肌と空間が生じやすいマスク１の中央部（鼻孔や口元部分）においても、着用者は冷感を実感できる。 On the other hand, in the mask 1 of the present embodiment, the endothermic reaction of the endothermic agent 30 is utilized. Therefore, it is not easily affected by the outside air temperature, the space temperature in the mask 1 can be lowered even in the hot summer, and the stuffiness in the mask 1 can be improved. Further, in the mask 1 of the present embodiment, since the space temperature in the mask 1 is lowered, the wearer can feel a cold feeling even in a portion where the mask 1 and the wearer's skin are not in contact with each other. In particular, the wearer can feel a feeling of cold even in the central portion (nostrils and mouth portion) of the mask 1 where the wearer's breath tends to get stuffy but the wearer's skin and space are likely to occur.

吸熱剤３０（吸熱成分）としては、糖アルコール類、及び、糖類のうちの何れか１つを含むことが好ましい。糖アルコール類としては、キシリトール、エリスリトール、デキストロース、ソルビトール等を例示できる。糖類としては、トレハロース、スクロース（ショ糖）、ラクトース（乳糖）、マルトース（麦芽糖）等を例示できる。これらの吸熱剤３０であれば、マスク１の着用者の口元に触れた際にも安全である。 The endothermic agent 30 (endothermic component) preferably contains any one of sugar alcohols and sugars. Examples of sugar alcohols include xylitol, erythritol, dextrose, sorbitol and the like. Examples of sugars include trehalose, sucrose (sucrose), lactose (lactose), maltose (maltose) and the like. These endothermic agents 30 are safe even when they come into contact with the mouth of the wearer of the mask 1.

また、吸熱剤３０は、肌側不織布１２を構成する繊維の少なくとも一部に練り込まれているとよい。つまり、肌側不織布１２を形成する前段階で吸熱剤３０が配されるように、例えば、肌側不織布１２を形成する前の繊維ウェブを吸熱剤３０（溶液）に含浸させたり、樹脂に吸熱剤３０を混ぜてから繊維を形成したりするとよい。また、吸熱剤３０が混ざったバインダーを繊維ウェブに塗布してもよい。 Further, the endothermic agent 30 may be kneaded into at least a part of the fibers constituting the skin-side non-woven fabric 12. That is, for example, the fiber web before forming the skin-side nonwoven fabric 12 is impregnated with the heat-absorbing agent 30 (solution) or the resin is heat-absorbed so that the endothermic agent 30 is arranged before forming the skin-side nonwoven fabric 12. It is advisable to mix the agent 30 and then form fibers. Further, a binder mixed with the endothermic agent 30 may be applied to the fiber web.

そうすることで、肌側不織布１２から吸熱剤３０が脱落し難く、徐々に吸熱剤３０の機能が発揮され、吸熱剤３０による冷感効果の持続性が高まる。また、マスク１の使用前から吸熱剤３０がフィルタ部材１１に付着して、フィルタ部材１１の捕集機能が低下してしまうことを抑制できる。 By doing so, the endothermic agent 30 is less likely to fall off from the skin-side non-woven fabric 12, the function of the endothermic agent 30 is gradually exhibited, and the sustainability of the cooling sensation effect of the endothermic agent 30 is enhanced. Further, it is possible to prevent the endothermic agent 30 from adhering to the filter member 11 before the use of the mask 1 and deteriorating the collecting function of the filter member 11.

しかし、上記に限定されず、肌側不織布１２を構成する繊維の表面に吸熱剤３０を配してもよい。例えば、噴霧法やローラーコート法、刷毛塗り法等の各種公知の塗布方法で、肌側不織布１２に吸熱剤３０を塗布したり、吸熱剤３０（溶液）に肌側不織布１２を浸漬したりするとよい。この場合、吸熱剤３０が着用者の息と接触しやすく、吸熱反応が起こりやすいため、冷感効果が高まる。 However, the present invention is not limited to the above, and the endothermic agent 30 may be arranged on the surface of the fibers constituting the skin-side nonwoven fabric 12. For example, when the endothermic agent 30 is applied to the skin-side nonwoven fabric 12 or the skin-side nonwoven fabric 12 is immersed in the heat-absorbing agent 30 (solution) by various known coating methods such as a spray method, a roller coating method, and a brush coating method. Good. In this case, the endothermic agent 30 easily comes into contact with the wearer's breath, and an endothermic reaction is likely to occur, so that the cooling sensation effect is enhanced.

より好ましくは、吸熱剤３０は、肌側不織布１２の肌側面に塗布されているとよい。そうして、吸熱剤３０を着用者に近い位置に配することで、吸熱剤３０は着用者の息とより接触しやすくなり、冷感効果が高まる。また、着用者に近い位置にて吸熱反応が起こるため、マスク１内の空間温度が下がりやすく、着用者は冷感を実感しやすくなる。ただし、上記に限定されず、肌側不織布１２の非肌側面又は両面に吸熱剤３０が塗布されていてもよい。 More preferably, the endothermic agent 30 is applied to the skin side surface of the skin-side non-woven fabric 12. By arranging the endothermic agent 30 at a position closer to the wearer, the endothermic agent 30 is more likely to come into contact with the wearer's breath, and the cooling sensation effect is enhanced. Further, since the endothermic reaction occurs at a position close to the wearer, the space temperature in the mask 1 tends to decrease, and the wearer tends to feel a cool feeling. However, the present invention is not limited to the above, and the endothermic agent 30 may be applied to the non-skin side surface or both sides of the skin-side non-woven fabric 12.

なお、吸熱剤３０は、液体状であっても、固体状（ジェル状、粉体状等も含む）であってもよい。また、吸熱剤３０を内包したマイクロカプセルを肌側不織布１２に配し、物理的又は化学的な刺激（例えば熱、圧力、衝撃、光、液体等）により吸熱剤３０を放出させるようにしてもよい。また、吸熱剤３０には、吸熱作用を有する吸熱成分を溶解、分散させる溶媒も含まれるものとする。 The endothermic agent 30 may be in a liquid form or a solid form (including a gel form, a powder form, etc.). Further, even if the microcapsules containing the endothermic agent 30 are arranged on the skin-side non-woven fabric 12, the endothermic agent 30 is released by a physical or chemical stimulus (for example, heat, pressure, impact, light, liquid, etc.). Good. Further, it is assumed that the endothermic agent 30 also contains a solvent that dissolves and disperses an endothermic component having an endothermic action.

また、吸熱剤３０は、肌側不織布１２の平面全域に配されていてもよいし、肌側不織布１２の平面の一部に配されていてもよい。また、吸熱剤３０は、肌側不織布１２に一定の坪量（単位面積当たりの量：ｇ／ｍ２）で配されていてもよいし、肌側不織布１２の領域に応じて異なる坪量で配されていてもよい。 Further, the endothermic agent 30 may be arranged over the entire flat surface of the skin-side non-woven fabric 12, or may be arranged on a part of the flat surface of the skin-side non-woven fabric 12. Further, the endothermic agent 30 may be arranged on the skin-side nonwoven fabric 12 at a constant basis weight (amount per unit area: g / m 2 ), or may have different basis weights depending on the region of the skin-side nonwoven fabric 12. It may be arranged.

また、肌側不織布１２は、親水性繊維を含むことが好ましい。より好ましくは、肌側不織布１２に親水性繊維が５０％以上含まれているとよい。そうすることで、肌側不織布１２では、着用者の息に含まれる水分が保持されやすく、肌側不織布１２の吸熱剤３０が水分と接触しやすくなり、接触時間も長くなる。よって、吸熱剤３０による吸熱反応が起こりやすく、冷感効果が高まる。 Further, the skin-side non-woven fabric 12 preferably contains hydrophilic fibers. More preferably, the skin-side non-woven fabric 12 contains 50% or more of hydrophilic fibers. By doing so, the skin-side non-woven fabric 12 easily retains the moisture contained in the wearer's breath, the endothermic agent 30 of the skin-side non-woven fabric 12 easily comes into contact with the moisture, and the contact time becomes long. Therefore, an endothermic reaction by the endothermic agent 30 is likely to occur, and the cooling sensation effect is enhanced.

親水性繊維としては、例えば、レーヨン等の再生セルロース繊維、コットンや粉砕パルプ等の天然セルロース繊維、アセテート等の半合成セルロール繊維等が挙げられる。また、疎水性繊維（例えば、ポリエチレン繊維やポリプロピレン繊維等）に、親水性処理を施して、親水性に変性させた繊維であってもよい。親水性繊維の判断は、例えば、繊維の接触角が９０度未満であれば、親水性が高い繊維と判断できる。ただし上記に限定されず、肌側不織布１２が親水性繊維を含まなくてもよいとする。 Examples of the hydrophilic fiber include regenerated cellulose fiber such as rayon, natural cellulose fiber such as cotton and crushed pulp, and semi-synthetic cell roll fiber such as acetate. Further, the hydrophobic fiber (for example, polyethylene fiber, polypropylene fiber, etc.) may be subjected to a hydrophilic treatment to be modified to be hydrophilic. The hydrophilic fiber can be judged as a highly hydrophilic fiber if, for example, the contact angle of the fiber is less than 90 degrees. However, the present invention is not limited to the above, and the skin-side nonwoven fabric 12 does not have to contain hydrophilic fibers.

また、フィルタ部材１１の非肌側面は、マスク本体部１０の非肌側面の少なくとも一部を形成しており、肌側不織布１２の肌側面は、マスク本体部１０の肌側面の少なくとも一部を形成していることが好ましい。そうすることで、マスク本体部１０において厚さ方向に積層されるシートの数が少なくなり、マスク１内の空間を蒸れ難くすることができる。本実施形態のマスク本体部１０では、サイドシート１３が配された左右方向の両側部以外の領域は、２枚の不織布（フィルタ部材１１及び肌側不織布１２）で構成されている。 Further, the non-skin side surface of the filter member 11 forms at least a part of the non-skin side surface of the mask body portion 10, and the skin side surface of the skin side non-woven fabric 12 forms at least a part of the skin side surface of the mask body portion 10. It is preferably formed. By doing so, the number of sheets laminated in the thickness direction in the mask main body 10 is reduced, and the space inside the mask 1 can be made less stuffy. In the mask main body 10 of the present embodiment, the regions other than the left and right side portions where the side sheets 13 are arranged are composed of two non-woven fabrics (filter member 11 and skin-side non-woven fabric 12).

また、上記の場合、吸熱剤３０が配された肌側不織布１２がマスク本体部１０の最も肌側に位置する。そのため、吸熱剤３０は着用者の息と接触しやすくなり、冷感効果が高まる。また、着用者に近い位置にて吸熱反応が起こるため、マスク１内の空間温度が下がりやすく、着用者は冷感を実感しやすくなる。 Further, in the above case, the skin-side non-woven fabric 12 on which the endothermic agent 30 is arranged is located closest to the skin side of the mask main body 10. Therefore, the endothermic agent 30 easily comes into contact with the wearer's breath, and the cooling sensation effect is enhanced. Further, since the endothermic reaction occurs at a position close to the wearer, the space temperature in the mask 1 tends to decrease, and the wearer tends to feel a cool feeling.

また、マスク本体部１０の左右方向及び上下方向の中央部には、サイドシート１３が位置せず、２枚の不織布で構成されることに加えて、上下の折返し部１０１も位置しない（プリーツ状の折り目Ｆは位置するが、この折り目Ｆは着用状態において上下方向に広げられる）。つまり、着用者の鼻孔や口元が位置して蒸れやすいマスク１の部分において、厚さ方向に積層されるシート数がほぼ２枚となるため、マスク１内の空間を蒸れ難くすることができる。 Further, the side sheet 13 is not located at the center of the mask main body 10 in the horizontal direction and the vertical direction, and in addition to being composed of two non-woven fabrics, the upper and lower folded portions 101 are not located (pleated shape). The crease F is located, but the crease F is widened in the vertical direction when worn). That is, in the portion of the mask 1 where the wearer's nostrils and mouth are located and easily stuffy, the number of sheets laminated in the thickness direction is approximately two, so that the space inside the mask 1 can be made difficult to get stuffy.

ただし、マスク本体部１０の構成は上記に限定されず、例えば、フィルタ部材１１よりも非肌側や、肌側不織布１２よりも肌側、フィルタ部材１１と肌側不織布１２の間に、別のシートが配されていてもよい。 However, the configuration of the mask body 10 is not limited to the above, and for example, another non-skin side of the filter member 11 or a skin side of the skin-side non-woven fabric 12 and between the filter member 11 and the skin-side non-woven fabric 12. Sheets may be arranged.

また、フィルタ部材１１の通気抵抗値は、０．４５ｋＰａ・ｓ／ｍ以下であるとよく、好ましくは、０．３ｋＰａ・ｓ／ｍ以下であるとよい。フィルタ部材１１の通気抵抗値が０．４５ｋＰａ・ｓ／ｍよりも高い場合、マスク１が吸熱剤３０を有していても、着用者がマスク１内の蒸れを感じやすくなる恐れがある。そのため、吸熱剤３０の冷感効果に加えて、フィルタ部材１１の通気性を適度に保つことで、夏の暑い時期等にも、マスク１内の蒸れを改善できる。 The ventilation resistance value of the filter member 11 is preferably 0.45 kPa · s / m or less, preferably 0.3 kPa · s / m or less. When the aeration resistance value of the filter member 11 is higher than 0.45 kPa · s / m, even if the mask 1 has the endothermic agent 30, the wearer may easily feel the stuffiness in the mask 1. Therefore, in addition to the cooling effect of the endothermic agent 30, by maintaining the air permeability of the filter member 11 appropriately, the stuffiness in the mask 1 can be improved even in the hot summer season.

ただし、フィルタ部材１１の通気抵抗値は、肌側不織布１２の通気抵抗値よりも高いことが好ましい。そうすることで、着用者の息や吸熱剤３０がマスク１内の空間において適度に留まり、着用者の息と吸熱剤３０の接触時間が増えるため、吸熱効果及びその持続性も高まる。 However, the ventilation resistance value of the filter member 11 is preferably higher than the ventilation resistance value of the skin-side non-woven fabric 12. By doing so, the wearer's breath and the endothermic agent 30 stay appropriately in the space inside the mask 1, and the contact time between the wearer's breath and the endothermic agent 30 increases, so that the endothermic effect and its sustainability are also enhanced.

フィルタ部材１１の通気抵抗値の測定は、周知の方法で行うことができる。例えば、コールドスプレー等を用いてマスク１からフィルタ部材１１を分離し、フィルタ部材１１を所定の大きさ（例えば直径１００ｍｍの円形）に切り出してサンプルとする。そして、カトーテック社製通気性試験機（ＫＥＳ−Ｆ８）又はそれと同等の通気性試験機を用いて、標準通気速度を２ｃｍ／ｓに設定し、サンプルの通気抵抗値を測定する。かかる測定を複数回（例えば５回）行い、その平均値を、フィルタ部材１１の通気抵抗値とすることができる。 The measurement of the ventilation resistance value of the filter member 11 can be performed by a well-known method. For example, the filter member 11 is separated from the mask 1 by using a cold spray or the like, and the filter member 11 is cut out to a predetermined size (for example, a circle having a diameter of 100 mm) to prepare a sample. Then, using a breathability tester (KES-F8) manufactured by Katou Tech Co., Ltd. or an equivalent breathability tester, the standard ventilation rate is set to 2 cm / s, and the ventilation resistance value of the sample is measured. Such measurement can be performed a plurality of times (for example, 5 times), and the average value thereof can be used as the ventilation resistance value of the filter member 11.

また、前述したように、本実施形態のフィルタ部材１１は、ポリオレフィン系繊維からなる不織布が誘電分極された（エレクトレット処理された）シートである。このように、電荷により捕集機能を有するフィルタ部材１１は、アルコールの付着により捕集機能が軽減してしまう。 Further, as described above, the filter member 11 of the present embodiment is a sheet in which a non-woven fabric made of polyolefin fibers is dielectrically polarized (electret-treated). As described above, the filter member 11 having a collecting function due to the electric charge has a reduced collecting function due to the adhesion of alcohol.

そのため、上記のフィルタ部材１１を採用する場合、吸熱剤３０は、アルコールを含まないことが好ましい。そうすることで、フィルタ部材１１の捕集効果が軽減してしまうことを防止できる。例えば、吸熱剤３０に含まれる溶媒は、水系溶媒であることが好ましい。また、例えば、アルコール系溶媒に吸熱成分を溶解，分散した溶液を肌側不織布１２に塗布する場合、マスク１の製造ラインにおいて、アルコール系溶媒が気化した後に、肌側不織布１２をフィルタ部材１１に合流させるとよい。そうして、マスク１における吸熱剤３０にはアルコールが含まれないようにするとよい。 Therefore, when the above filter member 11 is adopted, it is preferable that the endothermic agent 30 does not contain alcohol. By doing so, it is possible to prevent the collection effect of the filter member 11 from being reduced. For example, the solvent contained in the endothermic agent 30 is preferably an aqueous solvent. Further, for example, when a solution in which an endothermic component is dissolved and dispersed in an alcohol solvent is applied to the skin-side nonwoven fabric 12, the skin-side nonwoven fabric 12 is attached to the filter member 11 after the alcohol solvent is vaporized in the mask 1 production line. It is good to join them. Then, it is preferable that the heat absorbing agent 30 in the mask 1 does not contain alcohol.

また、吸熱剤３０は、不揮発性であることが好ましい。そうすることで、マスク１の使用前からフィルタ部材１１側に吸熱剤３０が揮発して、フィルタ部材１１に吸熱剤３０が付着し、フィルタ部材１１の捕集機能が軽減してしまうことを抑制できる。不揮発性の吸熱剤３０とは、一般生活環境化で気体とならず、沸点が１００℃以上である物質とする。 Further, the endothermic agent 30 is preferably non-volatile. By doing so, it is possible to prevent the endothermic agent 30 from volatilizing on the filter member 11 side before the use of the mask 1, adhering the endothermic agent 30 to the filter member 11, and reducing the collecting function of the filter member 11. it can. The non-volatile endothermic agent 30 is a substance that does not become a gas in a general living environment and has a boiling point of 100 ° C. or higher.

また、フィルタ部材１１は、肌側不織布１２に比べて、吸熱剤３０の坪量が低いことが好ましく、より好ましくは、フィルタ部材１１には吸熱剤３０が配されていないとよい。そうすることで、着用者に近い肌側不織布１２に多くの吸熱剤３０が配されることになる。そのため、吸熱剤３０は着用者の息と接触しやすく、冷感効果が高まる。また、着用者に近い位置にて吸熱反応が起こるため、マスク１内の空間温度が下がりやすく、着用者は冷感を実感しやすくなる。また、フィルタ部材１１に吸熱剤３０が付着していることによりフィルタ部材１１の捕集機能が軽減してしまうことを抑制できる。 Further, the filter member 11 preferably has a lower basis weight of the endothermic agent 30 than the skin-side non-woven fabric 12, and more preferably, the endothermic agent 30 is not arranged on the filter member 11. By doing so, a large amount of the endothermic agent 30 is arranged on the skin-side non-woven fabric 12 close to the wearer. Therefore, the endothermic agent 30 easily comes into contact with the wearer's breath, and the cooling sensation effect is enhanced. Further, since the endothermic reaction occurs at a position close to the wearer, the space temperature in the mask 1 tends to decrease, and the wearer tends to feel a cool feeling. Further, it is possible to prevent the collecting function of the filter member 11 from being reduced due to the endothermic agent 30 adhering to the filter member 11.

フィルタ部材１１と肌側不織布１２に配される吸熱剤３０の坪量の比較は、周知の方法で行うことができる。例えば、コールドスプレー等を用いてマスク１からフィルタ部材１１と肌側不織布１２を分離し、それぞれに竹炭やココアパウダーなどの有色の細かい粒子を撒いた後に、粒子を払う方法がある。吸熱剤３０が配置された部分には粒子が多く付着する。そのため、フィルタ部材１１と肌側不織布１２に付着した粒子の量を比較することで、吸熱剤３０の坪量を比較することができる。 The basis weight of the endothermic agent 30 arranged on the filter member 11 and the skin-side non-woven fabric 12 can be compared by a well-known method. For example, there is a method in which the filter member 11 and the skin-side non-woven fabric 12 are separated from the mask 1 by using a cold spray or the like, and fine colored particles such as bamboo charcoal and cocoa powder are sprinkled on each of them, and then the particles are removed. Many particles adhere to the portion where the endothermic agent 30 is arranged. Therefore, by comparing the amount of particles adhering to the filter member 11 and the skin-side non-woven fabric 12, the basis weight of the endothermic agent 30 can be compared.

その他、フィルタ部材１１と肌側不織布１２それぞれに蒸気を当てて、それぞれの表面温度を比較してもよい。具体的には、フィルタ部材１１及び肌側不織布１２をそれぞれ所定のサイズに切り出してサンプルを作成し、ビーカーのような２つの容器に水を入れ、各サンプルで容器に蓋をする。サンプル上に温度センサーを取り付け、その上からラップフィルム等で覆った２つの容器を、４０度に温めたウォーターバスに入れ、各サンプルの温度を比較する。吸熱剤３０の坪量が多いサンプルの方が、時間経過に伴って、吸熱剤３０の吸熱反応によりサンプルの温度が下がる。 In addition, steam may be applied to each of the filter member 11 and the skin-side non-woven fabric 12 to compare the surface temperatures of the respective. Specifically, the filter member 11 and the skin-side non-woven fabric 12 are each cut out to a predetermined size to prepare a sample, water is put into two containers such as a beaker, and the container is covered with each sample. A temperature sensor is attached on the sample, and two containers covered with plastic wrap or the like are placed in a water bath warmed to 40 degrees and the temperature of each sample is compared. In a sample having a large basis weight of the heat absorbing agent 30, the temperature of the sample decreases due to the endothermic reaction of the heat absorbing agent 30 with the passage of time.

また、上記の方法を利用して、肌側不織布１２の肌側面に吸熱剤３０が塗布されていることを確認してもよい。例えば、粒子を撒く方法においては、肌側不織布１２の肌側面に粒子が付着していれば、肌側不織布１２の肌側面に吸熱剤３０が塗布されていることを確認できる。また、蒸気を当てて温度を測定する方法においては、肌側不織布１２と同じ構成の不織布であり、吸熱剤３０が配されていない不織布を準備する。その不織布の温度よりも、肌側不織布１２の肌側面の温度が低い場合には、肌側不織布１２の肌側面に吸熱剤３０が塗布されていることを確認できる。 Further, it may be confirmed that the heat absorbing agent 30 is applied to the skin side surface of the skin-side non-woven fabric 12 by using the above method. For example, in the method of sprinkling particles, if the particles are attached to the skin side surface of the skin side non-woven fabric 12, it can be confirmed that the heat absorbing agent 30 is applied to the skin side surface of the skin side non-woven fabric 12. Further, in the method of applying steam to measure the temperature, a non-woven fabric having the same structure as the skin-side non-woven fabric 12 and to which the endothermic agent 30 is not arranged is prepared. When the temperature of the skin side surface of the skin side non-woven fabric 12 is lower than the temperature of the non-woven fabric, it can be confirmed that the heat absorbing agent 30 is applied to the skin side surface of the skin side non-woven fabric 12.

また、マスク本体部１０において、フィルタ部材１１の外周端と、肌側不織布１２の外周端とが一致していることが好ましい。本実施形態のマスク１では、図１に示すように、フィルタ部材１１の左端１１ｃと肌側不織布１２の左端１２ｃとが一致し、フィルタ部材１１の右端１１ｄと肌側不織布１２の右端１２ｄとが一致している。また、図２に示すように、フィルタ部材１１の上端１１ａと肌側不織布１２の上端１２ａとが一致し、フィルタ部材１１の下端１１ｂと肌側不織布１２の下端１２ｂとが一致している。なお、上下の折り返し部１０１のシートの厚み分の位置ずれは含まないとする。また、折り返し部１０１における上下方向中央側の端１０１ａ，１０１ｂでは、フィルタ部材１１の端と肌側不織布１２の端とがずれていてもよい。 Further, in the mask main body 10, it is preferable that the outer peripheral edge of the filter member 11 and the outer peripheral edge of the skin-side non-woven fabric 12 coincide with each other. In the mask 1 of the present embodiment, as shown in FIG. 1, the left end 11c of the filter member 11 and the left end 12c of the skin-side non-woven fabric 12 coincide with each other, and the right end 11d of the filter member 11 and the right end 12d of the skin-side non-woven fabric 12 are aligned. Match. Further, as shown in FIG. 2, the upper end 11a of the filter member 11 and the upper end 12a of the skin-side non-woven fabric 12 coincide with each other, and the lower end 11b of the filter member 11 and the lower end 12b of the skin-side non-woven fabric 12 coincide with each other. It should be noted that the positional deviation corresponding to the thickness of the sheet of the upper and lower folded portions 101 is not included. Further, at the ends 101a and 101b on the vertical center side of the folded-back portion 101, the end of the filter member 11 and the end of the skin-side non-woven fabric 12 may be misaligned.

上記によれば、マスク本体部１０の平面の広範囲に亘り、肌側不織布１２及び吸熱剤３０を配することができる。よって、マスク１内の空間の広範囲の温度を、吸熱剤３０により低下させることができる。また、マスク本体部１０の平面の広い範囲に亘り、フィルタ部材１１を配することができ、捕集効果が得られる。ただし上記に限定されず、フィルタ部材１１の外周端と肌側不織布１２の外周端とがずれていてもよい。 According to the above, the skin-side non-woven fabric 12 and the heat absorbing agent 30 can be arranged over a wide range of the flat surface of the mask main body 10. Therefore, the temperature of a wide range of the space in the mask 1 can be lowered by the endothermic agent 30. Further, the filter member 11 can be arranged over a wide range of the plane of the mask main body 10, and a collecting effect can be obtained. However, the present invention is not limited to the above, and the outer peripheral edge of the filter member 11 and the outer peripheral edge of the skin-side non-woven fabric 12 may be displaced from each other.

また、第１実施形態のマスク１は、マスク本体部１０の上下方向の中央部において、フィルタ部材１１及び肌側不織布１２がプリーツ状に折り畳まれている。マスク１の着用時において、マスク本体部１０の左右方向の中央部ではプリーツ部分が上下方向に広げられる。しかし、マスク本体部１０の左右方向の両側部では、フィルタ部材１１及び肌側不織布１２がプリーツ状に折り畳まれた状態で溶着部１４により接合されている。また、マスク本体部１０の左右方向の両側部では、フィルタ部材１１及び肌側不織布１２の上下端部が折り返された状態で溶着部１４により接合されている。 Further, in the mask 1 of the first embodiment, the filter member 11 and the skin-side non-woven fabric 12 are folded in a pleated shape at the central portion of the mask main body 10 in the vertical direction. When the mask 1 is worn, the pleated portion is expanded in the vertical direction at the central portion of the mask main body 10 in the horizontal direction. However, on both sides of the mask main body 10 in the left-right direction, the filter member 11 and the skin-side non-woven fabric 12 are joined by the welding portion 14 in a pleated state. Further, on both sides of the mask main body 10 in the left-right direction, the upper and lower ends of the filter member 11 and the skin-side non-woven fabric 12 are joined by the welded portions 14 in a folded state.

つまり、マスク本体部１０の左右方向の両側部では、マスク１の着用時にも、図２に示す断面の状態が維持される。具体的には、上下端部では、折り返し部１０１によって、肌側不織布１２が厚さ方向に２層に重なっている。上下方向の中央部は、プリーツによって、肌側不織布１２が厚さ方向に３層に重なっている部分を有する。 That is, on both sides of the mask main body 10 in the left-right direction, the state of the cross section shown in FIG. 2 is maintained even when the mask 1 is worn. Specifically, at the upper and lower end portions, the skin-side non-woven fabric 12 is overlapped in two layers in the thickness direction by the folded-back portion 101. The central portion in the vertical direction has a portion in which the skin-side non-woven fabric 12 is overlapped in three layers in the thickness direction by pleats.

そのため、肌側不織布１２に一定に吸熱剤３０を配することで、肌側不織布１２が２層に重なる上下端部に比べて、肌側不織布１２が３層に重なる上下方向の中央部において、吸熱剤３０の坪量（ｇ／ｍ２）を高くすることができる。 Therefore, by arranging the endothermic agent 30 constantly on the skin-side non-woven fabric 12, the upper and lower ends of the skin-side non-woven fabric 12 overlap in two layers, and the skin-side non-woven fabric 12 overlaps in three layers in the vertical central portion. The basis weight (g / m 2 ) of the endothermic agent 30 can be increased.

マスク本体部１０の左右方向の両側部のうちの上下端部には、耳掛け部２０が接合されている。そのため、上下端部は、上下方向の中央部に比べて、耳掛け部２０の伸長力により着用者の肌に密着しやすく、着用者は吸熱剤３０の冷感効果を実感しやすい。一方、上下方向の中央部は、着用者の鼻孔や口元に近いため、蒸れ易いが、吸熱剤３０が着用者の湿った息と接触しやすい。そこで、吸熱剤３０の坪量を上記のようにするとよい。そうすることで、マスク本体部１０の左右方向の両側部において、上下方向の中央部は、着用者の肌への密着度が低いが、着用者の息がより多くの吸熱剤３０と接触するため、冷感効果が高まり、着用者は冷感を実感しやすくなる。また、マスク本体部１０の左右方向の両側部のうちの上下方向の中央部は、上下端部に比べると密着度は低いが、着用者の頬に接触する。そのため、その部分において吸熱剤３０の坪量を高くすることで、着用者は冷感を実感しやすくなる。 Ear hooks 20 are joined to the upper and lower ends of both sides of the mask body 10 in the left-right direction. Therefore, the upper and lower end portions are more likely to adhere to the wearer's skin due to the stretching force of the ear hook portion 20 than the central portion in the vertical direction, and the wearer is more likely to feel the cooling effect of the endothermic agent 30. On the other hand, since the central portion in the vertical direction is close to the wearer's nostrils and mouth, it is easy to get stuffy, but the endothermic agent 30 is easy to come into contact with the wearer's moist breath. Therefore, the basis weight of the endothermic agent 30 may be set as described above. By doing so, on both sides of the mask body 10 in the left-right direction, the central portion in the vertical direction has a low degree of adhesion to the wearer's skin, but the wearer's breath comes into contact with more heat-absorbing agent 30. Therefore, the cooling sensation effect is enhanced, and the wearer can easily feel the cooling sensation. Further, the central portion in the vertical direction of the left and right side portions of the mask main body portion 10 has a lower degree of adhesion than the upper and lower end portions, but comes into contact with the wearer's cheek. Therefore, by increasing the basis weight of the endothermic agent 30 in that portion, the wearer can easily feel a feeling of coldness.

また、マスク１の着用時において、マスク本体部１０の左右方向の中央部ではプリーツ部分が上下方向に広げられるが、完全に広げられることはなく、一部では肌側不織布１２が３層に重なる。そのため、マスク本体部１０の左右方向の中央部においても、上下端部に比べて、上下方向の中央部の方が、吸熱剤３０の坪量（ｇ／ｍ２）が高くなる。よって、着用者の息がより多くの吸熱剤３０と接触するため、冷感効果が高まる。 Further, when the mask 1 is worn, the pleated portion is expanded in the vertical direction at the central portion in the left-right direction of the mask main body portion 10, but the pleated portion is not completely expanded, and the skin-side non-woven fabric 12 partially overlaps in three layers. .. Therefore, even in the central portion of the mask main body 10 in the left-right direction, the basis weight (g / m 2 ) of the endothermic agent 30 is higher in the central portion in the vertical direction than in the upper and lower end portions. Therefore, the wearer's breath comes into contact with more endothermic agents 30, so that the cooling sensation effect is enhanced.

換言すると、プリーツ状の折り目Ｆを有するマスク１では、マスク本体部１０の上下方向の中央部において、肌側不織布１２を厚さ方向に３層に積層できる。そのため、肌側不織布１２に一定に吸熱剤３０を配していても、マスク本体部１０の上下端部に比べて、上下方向の中央部の吸熱剤３０の坪量を高くすることができる。その結果、マスク１の上下方向の中央部の冷感効果を高めることができる。 In other words, in the mask 1 having the pleated crease F, the skin-side non-woven fabric 12 can be laminated in three layers in the thickness direction at the central portion in the vertical direction of the mask main body 10. Therefore, even if the heat absorbing agent 30 is uniformly arranged on the skin-side non-woven fabric 12, the basis weight of the heat absorbing agent 30 in the central portion in the vertical direction can be increased as compared with the upper and lower ends of the mask main body 10. As a result, the cooling effect of the central portion of the mask 1 in the vertical direction can be enhanced.

また、図２に示すように、マスク本体部１０の上端部及び下端部は、フィルタ部材１１及び肌側不織布１２が非肌面側に折り返された折返し部１０１を有することが好ましい。そして、厚さ方向に折返し部１０１と重なる非折返し部１０２の肌側面１０２Ａ、すなわち、肌側不織布１２の肌側面に、吸熱剤３０が配されていることが好ましい。 Further, as shown in FIG. 2, it is preferable that the upper end portion and the lower end portion of the mask main body portion 10 have a folded portion 101 in which the filter member 11 and the skin-side non-woven fabric 12 are folded back to the non-skin surface side. Then, it is preferable that the heat absorbing agent 30 is arranged on the skin side surface 102A of the non-folded portion 102 that overlaps with the folded portion 101 in the thickness direction, that is, on the skin side surface of the skin-side non-woven fabric 12.

マスク本体部１０の上下端部が非肌面側に折り返されることで、マスク本体部１０の上下端部においてフィルタ部材１１が肌側不織布１２を肌側から覆ってしまうことを防止できる。つまり、マスク本体部１０の上下端部において、吸熱剤３０が配された肌側不織布１２を肌側に露出させることができる。よって、着用者に近い位置にて吸熱剤３０の吸熱反応が起こるため、着用者は冷感を実感しやすくなる。特に、マスク本体部１０の上下端部は、上下方向の中央部に比べて着用者の肌に密着しやすいので、着用者は冷感をより実感しやすくなる。 By folding back the upper and lower ends of the mask body 10 toward the non-skin surface side, it is possible to prevent the filter member 11 from covering the skin-side non-woven fabric 12 from the skin side at the upper and lower ends of the mask body 10. That is, the skin-side non-woven fabric 12 on which the heat absorbing agent 30 is arranged can be exposed to the skin side at the upper and lower ends of the mask body 10. Therefore, since the endothermic reaction of the heat absorbing agent 30 occurs at a position close to the wearer, the wearer can easily feel a feeling of coldness. In particular, the upper and lower ends of the mask body 10 are more likely to come into close contact with the wearer's skin than the central portion in the vertical direction, so that the wearer can more easily feel a feeling of coldness.

また、上記のように、マスク本体部１０の上端部が非肌面側に折り返される場合、上端部の折返し部１０１の非肌側面（外側面）１０１Ａ、すなわち肌側不織布１２の非肌側面にも吸熱剤３０が配されていることが好ましい。 Further, as described above, when the upper end portion of the mask main body portion 10 is folded back to the non-skin surface side, the non-skin side surface (outer surface) 101A of the folded portion 101 of the upper end portion, that is, the non-skin side surface of the skin side non-woven fabric 12 It is preferable that the heat absorbing agent 30 is also arranged.

着用者の吐いた息は温かいため、マスク本体部１０の外に排出された着用者の息は上昇しやすい。そのため、マスク本体部１０の外に排出された息が、マスク本体部１０の上端部の非肌側面１０１Ａに配された吸熱剤３０と接触ができる。よって、マスク本体部１０の上端部付近の温度を下げることができ、着用者は冷感を実感しやすくなる。また、マスク本体部１０の外に排出された息の温度も下がるため、着用者の眼鏡が曇り難くなる。 Since the breath exhaled by the wearer is warm, the breath of the wearer discharged to the outside of the mask body 10 tends to rise. Therefore, the breath discharged to the outside of the mask main body 10 can come into contact with the heat absorbing agent 30 arranged on the non-skin side surface 101A of the upper end of the mask main body 10. Therefore, the temperature near the upper end portion of the mask main body portion 10 can be lowered, and the wearer can easily feel a feeling of coldness. In addition, the temperature of the breath discharged to the outside of the mask main body 10 is also lowered, so that the wearer's glasses are less likely to become cloudy.

ただし、上記の構成に限定されない。例えば、マスク本体部１０の上端部及び下端部が肌面側に折り返されていてもよいし、マスク本体部１０の上端部及び下端部の一方のみが非肌面側に折り返されていてもよい。また、上側の折り返し部１０１の非肌側面に吸熱剤３０が配されていなくてもよい。 However, the configuration is not limited to the above. For example, the upper end and the lower end of the mask main body 10 may be folded back toward the skin surface side, or only one of the upper end portion and the lower end portion of the mask main body portion 10 may be folded back toward the non-skin surface side. .. Further, the endothermic agent 30 may not be arranged on the non-skin side surface of the upper folded portion 101.

また、第１実施形態のマスク１の耳掛け部２０（ゴム紐）は、マスク本体部１０の非肌側面に、接合部１６によって接合されている。この場合、耳掛け部２０が肌側不織布１２を肌側から覆ってしまうことを防止できる。よって、吸熱剤３０が配された肌側不織布１２を着用者に近い位置に配することができる（肌側に露出させることができる）。よって、耳掛け部２０の接合部１６においても、着用者に近い位置にて吸熱剤３０の吸熱反応が起こるため、着用者は冷感を実感しやすくなる。特に、耳掛け部２０の接合部１６に対応する肌側不織布１２の部分は、耳掛け部２０の伸長力により着用者の肌に密着しやすいので、着用者は冷感をより実感しやすくなる。 Further, the ear hook portion 20 (rubber string) of the mask 1 of the first embodiment is joined to the non-skin side surface of the mask main body portion 10 by a joint portion 16. In this case, it is possible to prevent the ear hook portion 20 from covering the non-woven fabric 12 on the skin side from the skin side. Therefore, the skin-side non-woven fabric 12 on which the endothermic agent 30 is arranged can be arranged at a position close to the wearer (it can be exposed on the skin side). Therefore, even at the joint portion 16 of the ear hook portion 20, the endothermic reaction of the heat absorbing agent 30 occurs at a position close to the wearer, so that the wearer can easily feel a feeling of coldness. In particular, the portion of the non-woven fabric 12 on the skin side corresponding to the joint portion 16 of the ear hook portion 20 easily adheres to the wearer's skin due to the stretching force of the ear hook portion 20, so that the wearer can more easily feel a feeling of coldness. ..

＝＝第２実施形態＝＝
図４Ａは、第２実施形態の使い捨てマスク２（以下「マスク」とも呼ぶ）の折り畳み状態を示す平面図であり、図４Ｂは、展開状態のマスク２の正面図である。図５は、着用状態のマスク２の正面図である。図６は、着用状態のマスク２を上から見た概略図である。以下、第２実施形態のマスク２のうち第１実施形態のマスク１と異なる部分について主に説明する。 == Second embodiment ==
FIG. 4A is a plan view showing a folded state of the disposable mask 2 (hereinafter, also referred to as “mask”) of the second embodiment, and FIG. 4B is a front view of the mask 2 in the unfolded state. FIG. 5 is a front view of the mask 2 in a worn state. FIG. 6 is a schematic view of the mask 2 in a worn state as viewed from above. Hereinafter, a portion of the mask 2 of the second embodiment that is different from the mask 1 of the first embodiment will be mainly described.

第２実施形態のマスク２は、マスク本体部４０と、耳掛け部５０を有する。マスク本体部４０は、マスク２の展開状態及びマスク２の着用状態において、上下方向、及び、左右方向を有し、着用者の対向する側を肌側（肌面側）とし、その反対側を非肌側（非肌面側）とする。また、マスク本体部４０は、着用者の右顔面及び左顔面をそれぞれ覆う一対のシート部４３，４４と、一対のシート部４３，４４を互いに接合する接合部４５と、形状保持部材４６と、一対のシート部４３，４４に耳掛け部５０を接合する接合部４７を有する。接合部４５，４７は、溶着、圧搾、接着剤等の周知の方法で接合できる。 The mask 2 of the second embodiment has a mask main body portion 40 and an ear hook portion 50. The mask main body 40 has a vertical direction and a horizontal direction in the unfolded state of the mask 2 and the wearing state of the mask 2, with the opposite side of the wearer as the skin side (skin surface side) and the opposite side. Non-skin side (non-skin side). Further, the mask main body 40 includes a pair of seat portions 43, 44 that cover the wearer's right face and left face, a joint portion 45 that joins the pair of seat portions 43, 44 to each other, and a shape-retaining member 46. It has a joint portion 47 for joining the ear hook portion 50 to the pair of seat portions 43 and 44. The joint portions 45 and 47 can be joined by a well-known method such as welding, pressing, or adhesive.

図４Ａに示すように、一対のシート部４３，４４は、互いの肌側面が対向するように重ね合わされた状態で、一対のシート部４３，４４の端縁４３ａ，４４ａに沿った接合部４５により接合されている。その端縁４３ａ，４４ａは外側に向かって凸な曲線形状である。そのため、折り畳み状態（平面状）のマスク２を、一対のシート部４３，４４が離間するように展開すると（図４Ｂ）、マスク本体部４０は、その肌側面が凹んだ立体形状（カップ形状）となる。 As shown in FIG. 4A, the pair of seat portions 43, 44 are overlapped so that the skin side surfaces face each other, and the joint portions 45 along the edge edges 43a, 44a of the pair of seat portions 43, 44. It is joined by. The edge edges 43a and 44a have a curved shape that is convex toward the outside. Therefore, when the mask 2 in the folded state (planar shape) is unfolded so that the pair of sheet portions 43 and 44 are separated from each other (FIG. 4B), the mask main body portion 40 has a three-dimensional shape (cup shape) in which the skin side surface is recessed. It becomes.

また、第２実施形態のマスク２は、第１実施形態のマスク１と同様に、使い捨て用として使用されることを想定したマスクである。そして、マスク本体部４０（一対のシート部４３，４４）は、図６に示すように、ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材４１と、フィルタ部材４１の肌面側に設けられ、かつ、吸熱剤３０が配された肌側不織布（不織布）４２を有する。 Further, the mask 2 of the second embodiment is a mask that is supposed to be used for disposable use like the mask 1 of the first embodiment. Then, as shown in FIG. 6, the mask main body portion 40 (pair of sheet portions 43, 44) is provided on the skin surface side of the filter member 41 for collecting at least one of virus droplets and bacterial droplets and the filter member 41. It has a skin-side non-woven fabric (nonwoven fabric) 42 on which the heat absorbing agent 30 is arranged.

そのため、着用者の湿った息が肌側不織布４２の吸熱剤３０に接触すると、吸熱剤３０が吸熱反応を起こし、マスク２内の空間温度が下がるため、マスク２内の蒸れを改善できる。特に、第２実施形態のマスク２は着用時に立体形状となり、マスク２と着用者との間に空間が生じやすい。そのため、吸熱剤３０によりマスク２内の空間温度を下げることで、着用者は冷感を実感しやすくなる。 Therefore, when the wearer's moist breath comes into contact with the endothermic agent 30 of the non-woven fabric 42 on the skin side, the endothermic agent 30 causes an endothermic reaction and the space temperature in the mask 2 is lowered, so that the stuffiness in the mask 2 can be improved. In particular, the mask 2 of the second embodiment has a three-dimensional shape when worn, and a space is likely to be created between the mask 2 and the wearer. Therefore, by lowering the space temperature in the mask 2 with the endothermic agent 30, the wearer can easily feel a feeling of coldness.

また、一対のフィルタ部材４３，４４は、それぞれの上端部であって、フィルタ部材４１と肌側不織布４２の間に形状保持部材４６を有する。そのため、マスク２内の空間の密閉度が高まり、冷感効果やその持続性が高まる。ただし、マスク２は形状保持部材４６を有していなくてもよい。 Further, each of the pair of filter members 43 and 44 has a shape-retaining member 46 at the upper end thereof between the filter member 41 and the skin-side non-woven fabric 42. Therefore, the degree of sealing of the space in the mask 2 is increased, and the cooling sensation effect and its sustainability are enhanced. However, the mask 2 does not have to have the shape-retaining member 46.

また、一対のフィルタ部材４３，４４は、平面上に重ね合わされた状態（図４Ａ）で接合部４５にて接合されている。そのため、図６に示すように、マスク２の着用状態において、接合部４５からフィルタ部材４３，４４の端縁４３ａ，４４ａまでの領域（すなわちフィルタ部材４３，４４のつなぎ目部分）において、肌側不織布４２が２層に重ねられた状態が維持される。そのため、肌側不織布４２に一定に吸熱剤３０を配することで、接合部４５からフィルタ部材４３，４４の端縁４３ａ，４４ａまでの領域を、それ以外の領域に比べて、吸熱剤３０の坪量が高い高坪量部４８にすることができる。なお、吸熱剤３０の坪量の比較方法は前述の比較方法と同様に行うことができる。 Further, the pair of filter members 43 and 44 are joined at the joining portion 45 in a state of being overlapped on a flat surface (FIG. 4A). Therefore, as shown in FIG. 6, when the mask 2 is worn, the skin-side non-woven fabric is formed in the region from the joint portion 45 to the edge edges 43a and 44a of the filter members 43 and 44 (that is, the joint portion of the filter members 43 and 44). The state in which 42 is stacked in two layers is maintained. Therefore, by arranging the heat absorbing agent 30 constantly on the skin-side non-woven fabric 42, the region from the joint portion 45 to the edge 43a, 44a of the filter members 43, 44 is compared with the other regions of the heat absorbing agent 30. The high basis weight section 48 having a high basis weight can be formed. The method for comparing the basis weight of the endothermic agent 30 can be carried out in the same manner as the above-mentioned comparison method.

このように、マスク１の着用状態（図５）において、マスク本体部４０の左右方向の中央部４０１が、左右方向の両端部４０２に比べて吸熱剤３０の坪量が高い高坪量部４８を有することが好ましい。そうすることで、着用者の息により蒸れやすいマスク２の左右方向の中央部（鼻孔や口元部分）において、より多くの吸熱剤３０が着用者の息と接触でき、冷感効果が高まる。よって、マスク２内の空間温度がより低下して、マスク２内の蒸れを改善でき、着用者が冷感を実感しやすくなる。 As described above, in the wearing state of the mask 1 (FIG. 5), the central portion 401 in the left-right direction of the mask main body portion 40 has a higher basis weight portion 48 of the heat absorbing agent 30 than the both end portions 402 in the left-right direction. It is preferable to have. By doing so, a larger amount of the endothermic agent 30 can come into contact with the wearer's breath at the central portion (nostril and mouth portion) in the left-right direction of the mask 2 which is easily stuffed by the wearer's breath, and the cooling sensation effect is enhanced. Therefore, the space temperature in the mask 2 is further lowered, the stuffiness in the mask 2 can be improved, and the wearer can easily feel a feeling of coldness.

さらに、肌側不織布１２が２層に重ねられている吸熱剤３０の高坪量部４８（すなわちフィルタ部材４３，４４のつなぎ目部分）は、マスク本体部４０の上端４０ａから下端４０ｂまで上下方向に連続して配されているとよい。 Further, the high basis weight portion 48 (that is, the joint portion of the filter members 43 and 44) of the endothermic agent 30 in which the skin-side non-woven fabric 12 is laminated in two layers vertically from the upper end 40a to the lower end 40b of the mask main body 40. It is good that they are arranged continuously.

着用時に立体形状（カップ状）となる第２実施形態のマスク２では、マスク本体部４０の左右方向の中央部において、着用者との間に空間が生じやすい。そのため、マスク本体部４０の左右方向の中央部において、吸熱剤３０の高坪量部４８を上下方向に長く設けるとよい。そうすることで、マスク２内の空間に溜まった着用者の息がより多くの吸熱剤３０と接触でき、冷感効果が高まる。 In the mask 2 of the second embodiment, which has a three-dimensional shape (cup shape) when worn, a space is likely to be created between the mask body 40 and the wearer at the central portion in the left-right direction. Therefore, it is preferable that the high basis weight portion 48 of the endothermic agent 30 is provided long in the vertical direction at the central portion in the left-right direction of the mask main body portion 40. By doing so, the wearer's breath accumulated in the space inside the mask 2 can come into contact with more endothermic agents 30, and the cooling sensation effect is enhanced.

また、第２実施形態のマスク２の耳掛け部５０は、耳を掛けるための開口部５１が形成された伸縮性シートである。耳掛け部５０は、図６に示すように、接合部４７によって、マスク本体部４０の肌側面に接合されている。この場合、吸熱剤３０が配された肌側不織布１２の肌側面が耳掛け部５０に覆われてしまう。ただし、耳掛け部５０が接合されている肌側不織布１２の部分は、耳掛け部５０の伸長力によって着用者の肌への密着度が高い。そのため、耳掛け部５０で吸熱剤３０が覆われていても、着用者は冷感を実感できる。また、着用者の肌への密着度が高い部分において、吸熱剤３０が着用者の肌に直接に触れないことで、着用者の肌への刺激も軽減できる。 Further, the ear hook portion 50 of the mask 2 of the second embodiment is an elastic sheet in which an opening 51 for hanging an ear is formed. As shown in FIG. 6, the ear hook portion 50 is joined to the skin side surface of the mask main body portion 40 by the joint portion 47. In this case, the skin side surface of the skin-side non-woven fabric 12 on which the heat absorbing agent 30 is arranged is covered with the ear hook portion 50. However, the portion of the non-woven fabric 12 on the skin side to which the ear hook portion 50 is joined has a high degree of adhesion to the wearer's skin due to the stretching force of the ear hook portion 50. Therefore, even if the ear hook portion 50 is covered with the heat absorbing agent 30, the wearer can feel a feeling of coldness. Further, since the endothermic agent 30 does not come into direct contact with the wearer's skin in the portion where the degree of adhesion to the wearer's skin is high, the irritation to the wearer's skin can be reduced.

＝＝＝その他の実施の形態＝＝＝
以上、本発明の実施形態について説明したが、上記の実施形態は、本発明の理解を容易にするためのものであり、本発明を限定して解釈するためのものではない。また、本発明は、その趣旨を逸脱することなく、変更や改良され得るとともに、本発明にはその等価物が含まれるのはいうまでもない。 === Other embodiments ===
Although the embodiments of the present invention have been described above, the above-described embodiments are for facilitating the understanding of the present invention, and are not for limiting the interpretation of the present invention. Further, the present invention can be changed or improved without departing from the spirit thereof, and it goes without saying that the present invention includes an equivalent thereof.

１、２ （使い捨て）マスク、
１０ マスク本体部、１１、フィルタ部材、１２ 肌側不織布（不織布）、
１３ サイドシート、１４ 溶着部、１５ 形状保持部材、１６ 接合部、
２０ 耳掛け部、
３０ 吸熱剤、
４０ マスク本体部、４１ フィルタ部材、４２ 肌側不織布（不織布）、
４３、４４ 一対のシート部、４５ 接合部、４６ 形状保持部材、
４７ 接合部、４８ 高坪量部、
５０ 耳掛け部、 1, 2 (disposable) mask,
10 Mask body, 11, Filter member, 12 Non-woven fabric on the skin side (nonwoven fabric),
13 Side sheet, 14 Welding part, 15 Shape holding member, 16 Joint part,
20 Ear hooks,
30 endothermic agent,
40 Mask body, 41 Filter member, 42 Non-woven fabric on the skin side (Non-woven fabric),
43, 44 A pair of seats, 45 joints, 46 shape-retaining members,
47 joints, 48 high basis weight parts,
50 ear hooks,

Claims (11)

マスク本体部と、着用者の耳に掛けられる耳掛け部と、を有する使い捨てマスクであって、
前記マスク本体部は、
ウィルス飛沫及び細菌飛沫の少なくとも一方を捕集するフィルタ部材と、
前記フィルタ部材の肌面側に設けられ、かつ、吸熱剤が配された不織布と、
を有し、
前記吸熱剤は、キシリトールであり、
前記マスク本体部は、
上下方向及び左右方向を有し、
前記上下方向の中央部において、前記フィルタ部材及び前記不織布は、前記左右方向に沿う折り目によってプリーツ状に折り畳まれており、
前記マスク本体部の前記左右方向の両側部では、前記フィルタ部材及び前記不織布が前記プリーツ状に折り畳まれた状態で接合されており、
前記マスク本体部の前記左右方向の両側部では、前記上下方向の端部に比べて、前記上下方向の中央部の方が、前記吸熱剤の坪量が高いことを特徴とする使い捨てマスク。 A disposable mask having a mask body and an ear hook that can be hung on the wearer's ear.
The mask body
A filter member that collects at least one of virus droplets and bacterial droplets,
A non-woven fabric provided on the skin surface side of the filter member and having an endothermic agent arranged therein.
Have,
The endothermic agent is xylitol and
The mask body
It has a vertical direction and a horizontal direction,
At the central portion in the vertical direction, the filter member and the non-woven fabric are pleated by creases along the horizontal direction.
At both sides of the mask main body in the left-right direction, the filter member and the non-woven fabric are joined in a pleated state.
A disposable mask characterized in that, on both side portions of the mask main body portion in the left-right direction, the basis weight of the heat absorbing agent is higher in the central portion in the vertical direction than in the end portions in the vertical direction. 請求項１に記載の使い捨てマスクであって、
前記フィルタ部材の非肌側面は、前記マスク本体部の非肌側面の少なくとも一部を形成しており、
前記不織布の肌側面は、前記マスク本体部の肌側面の少なくとも一部を形成していることを特徴とする使い捨てマスク。 The disposable mask according to claim 1.
The non-skin side surface of the filter member forms at least a part of the non-skin side surface of the mask body.
A disposable mask characterized in that the skin side surface of the non-woven fabric forms at least a part of the skin side surface of the mask main body portion. 請求項１又は２に記載の使い捨てマスクであって、
前記フィルタ部材は、ポリオレフィン系繊維からなる不織布が誘電分極されたシートであり、
前記吸熱剤は、アルコールを含まないことを特徴とする使い捨てマスク。 The disposable mask according to claim 1 or 2.
The filter member is a sheet in which a non-woven fabric made of polyolefin fibers is dielectrically polarized.
The endothermic agent is a disposable mask characterized by not containing alcohol. 請求項１から３の何れか１項に記載の使い捨てマスクであって、
前記フィルタ部材の外周端と、前記不織布の外周端とが一致していることを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 3.
A disposable mask characterized in that the outer peripheral edge of the filter member and the outer peripheral edge of the non-woven fabric coincide with each other. 請求項１から４の何れか１項に記載の使い捨てマスクであって、
前記フィルタ部材は、前記不織布に比べて、前記吸熱剤の坪量が低いことを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 4.
The filter member is a disposable mask characterized in that the basis weight of the endothermic agent is lower than that of the non-woven fabric. 請求項５に記載の使い捨てマスクであって、
前記フィルタ部材には前記吸熱剤が配されていないことを特徴とする使い捨てマスク。 The disposable mask according to claim 5.
A disposable mask characterized in that the endothermic agent is not arranged on the filter member. 請求項１から６の何れか１項に記載の使い捨てマスクであって、
前記耳掛け部は、前記マスク本体部の肌側面に接合されていることを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 6.
A disposable mask characterized in that the ear hook portion is joined to the skin side surface of the mask main body portion. 請求項１から７の何れか１項に記載の使い捨てマスクであって、
前記吸熱剤は、前記不織布を構成する繊維の少なくとも一部に練りこまれていることを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 7.
A disposable mask characterized in that the endothermic agent is kneaded into at least a part of fibers constituting the non-woven fabric. 請求項１から７の何れか１項に記載の使い捨てマスクであって、
前記吸熱剤は、前記不織布の肌側面に塗布されていることを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 7.
The disposable mask, wherein the endothermic agent is applied to the skin side surface of the non-woven fabric. 請求項１から９の何れか１項に記載の使い捨てマスクであって、
前記不織布は、親水性繊維を含むことを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 9.
The non-woven fabric is a disposable mask characterized by containing hydrophilic fibers. 請求項１から１０の何れか１項に記載の使い捨てマスクであって、
前記フィルタ部材の通気抵抗値は、０．４５ｋＰａ・ｓ／ｍ以下であることを特徴とする使い捨てマスク。 The disposable mask according to any one of claims 1 to 10.
A disposable mask characterized in that the ventilation resistance value of the filter member is 0.45 kPa · s / m or less.
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