WO2009145134A1 - Noyau absorbant et logement de celui-ci dans un masque - Google Patents

Noyau absorbant et logement de celui-ci dans un masque Download PDF

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Publication number
WO2009145134A1
WO2009145134A1 PCT/JP2009/059511 JP2009059511W WO2009145134A1 WO 2009145134 A1 WO2009145134 A1 WO 2009145134A1 JP 2009059511 W JP2009059511 W JP 2009059511W WO 2009145134 A1 WO2009145134 A1 WO 2009145134A1
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WO
WIPO (PCT)
Prior art keywords
mask
absorbent core
thin film
core
liquid
Prior art date
Application number
PCT/JP2009/059511
Other languages
English (en)
Japanese (ja)
Inventor
宣幸 平川
優一 佐々木
Original Assignee
小林製薬株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 小林製薬株式会社 filed Critical 小林製薬株式会社
Publication of WO2009145134A1 publication Critical patent/WO2009145134A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres

Definitions

  • This invention relates to the absorptive core attached to a mask, and the mask which accommodates this.
  • Patent Document 1 discloses the following mask.
  • the mask described in this document stores a water retention member in which moisture is retained in a mask body that covers the mouth. Thereby, water is replenished to the oral cavity during sleep, and drying of the throat is prevented.
  • the air is generally dry during the winter, and air conditioners are operating throughout the year even outside the winter. Therefore, there are many environments where air is easily dried even during the daytime, and the above masks are used even during the daytime.
  • Patent Documents 2 to 5 disclose masks in which a water retaining member is impregnated with eucalyptus oil or other refreshing agent in order to alleviate allergic symptoms such as nasal congestion.
  • the present invention has been made to solve the above problems, and has an absorbent core capable of preventing a user's discomfort even when impregnated with a water retention liquid containing a refreshing component, and the same.
  • the object is to provide a mask.
  • the present invention is an absorptive core attached to a mask, which has been made in order to solve the above-described problem, and has a core body having an absorptivity capable of retaining a water retention liquid, and a mask wearer in the core body.
  • a liquid-impermeable thin film attached to the side facing surface.
  • the liquid-impermeable thin film is provided on the surface facing the mask wearer in the core body, even if the water retaining liquid impregnated in the core body contains a cooling component, this component is Blocked by a thin film. Therefore, it is possible to prevent the water retaining liquid from coming into direct contact with the mask wearer's skin, and to prevent discomfort.
  • the thin film needs to have a certain degree of hardness. Therefore, for example, the thin film according to the present invention preferably has a hardness such that the maximum force required to press the end portion in the surface direction by 2 cm is 30 mN or less. This is because if the hardness is greater than 30 mN, there is a risk of the above-described bleeding. In addition, although the minimum of this hardness is not prescribed
  • the thin film can be made of, for example, a resin film or a hydrophobic nonwoven fabric.
  • the core body can be impregnated with, for example, 3 to 30 g of a water retention liquid.
  • the water-retaining liquid may contain 0.01 to 10% by weight of a refreshing component in water.
  • the refreshing component used here can include, for example, at least one selected from menthol, camphor, methyl salicylate, menthone, sage oil, thyme oil, peppermint oil, peppermint oil, and spearmint oil.
  • the refreshing component is preferably menthol, camphor, methyl salicylate, peppermint oil, peppermint oil, spearmint oil, and more preferably menthol or camphor.
  • the mask according to the present invention is made to solve the above-described problem, and accommodates any of the above-described absorbent cores.
  • the absorbent core and the mask provided with the same it is possible to prevent the user from feeling uncomfortable even when impregnated with a water retaining liquid containing a refreshing component.
  • FIG. 1 It is a perspective view of the Example of the mask based on this invention. It is a top view when the mask of FIG. 1 is folded. It is the top view and sectional drawing of the absorptive core accommodated in the mask of FIG. It is a figure which shows the outline
  • the absorptive core according to the present invention is attached to a mask, impregnated with a water retention liquid described later, gradually releases the water retention liquid during use, and supplies moisture to the oral cavity.
  • This absorptive core is comprised by the core main body which absorbs and hold
  • each component will be described.
  • An example of the mask will be described later.
  • the core body can be impregnated with 3 g / sheet or more of a water retention solution described later in order to supply sufficient water to the oral cavity during sleep.
  • the basis weight is preferably 200 to 1000 g / m 2 , and more preferably 300 to 600 g / m 2 . This is because when the basis weight is less than 200 g / m 2 , moisture cannot be sufficiently retained, whereas when the basis weight is greater than 1000 g / m 2 , the core becomes too hard and may become uncomfortable when worn. .
  • the area of the absorbent core is preferably 15 to 80 cm 2 , for example, and more preferably 30 to 55 cm 2 .
  • the dimensions of the absorbent core are preferably about 4 to 12 cm in the horizontal direction and about 3 to 8 cm in the vertical direction.
  • the shape of the absorbent core is not particularly limited, and may be various shapes such as a rectangular shape and a circular shape. When it is formed in a rectangular shape, it can be formed into a shape in which the corners of the left and right lower ends are cut off diagonally so as to fit the jaw line, for example, a home-base pentagon. Further, in addition to integrally forming the absorbent core, for example, it can be formed by dividing into two. As described above, in the case where the mask body folded right and left is expanded and used, absorbent cores can be disposed in the left and right regions, respectively. In this case, the total area of both absorbent cores is preferably the above-described preferred area.
  • the core body can be composed of various fiber materials, but can be composed of hydrophilic fibers or a blend of hydrophilic fibers and synthetic fibers.
  • the fiber material include polyethylene, polypropylene, polyester, rayon, cotton, and pulp, and pulp is preferable from the viewpoint of flexibility and water retention.
  • the manufacturing method of such an absorbent core is not particularly limited, but can be manufactured by an airlaid method or the like, and heat-fusible fibers such as polyethylene are added to pulp as a main component from the viewpoint of productivity, workability, and durability. It is preferable to perform blending at a predetermined ratio.
  • the core body when the core body is made of pulp, the ratio of pulp: heat-sealing fibers is 60:40 to 80:20.
  • the core body can be composed of a single layer or a plurality of layers. From the viewpoint of durability and water retention, the core body has a two-layer configuration in which a non-woven fabric is further disposed on the surface opposite to the surface to which a thin film described later is attached. It is preferable.
  • the material of the non-woven fabric to be arranged can be hydrophilic fiber, hydrophobic fiber, synthetic fiber, or a blend of hydrophilic fiber and synthetic fiber, and examples of hydrophilic fiber include rayon, cotton and tissue. Is rayon.
  • the above nonwoven fabric preferably has a basis weight of 20 to 50 g / m 2 , for example.
  • the thin film attached to the core body needs to be liquid-impermeable so that the water retaining liquid described later does not contact the mask wearer.
  • the thin film can be composed of a resin film made of, for example, polyethylene, polyvinylidene chloride, polypropylene, or polyurethane. Moreover, it can also be comprised with a hydrophobic nonwoven fabric.
  • the hydrophobic nonwoven fabric can be composed of, for example, hydrophobic fibers such as polyethylene (PE), polypropylene (PP), and PET, and includes those obtained by subjecting a nonwoven fabric composed of various known fibers to a hydrophobic treatment. The hydrophobic treatment can be performed, for example, by sufficiently dipping the nonwoven fabric in a silicon liquid and then drying it.
  • the thin film is fixed to the core body with, for example, a heat-sealing fiber or a polyolefin-based or rubber-based resin adhesive.
  • this hardness measurement method for example, the following method can be exemplified. First, a thin film having a length of 100 mm and a width of 50 mm is arranged vertically, and its end is pressed in the surface direction. And when 20 mm is pressed, the maximum amount of force required for it is measured. For the measurement, for example, Shimadzu Autograph AGS-H 500N and TRAPEZIUM 2 can be used as analysis software. As a result, it is preferable to use a thin film having a measured force of 30 mN or less. This is because if the hardness is greater than 30 mN, there is a risk of the above-described bleeding.
  • This water retaining liquid is for impregnating the above-described absorbent core.
  • 3 to 30 g of water retention liquid is impregnated in the absorbent core. More preferably, it is 3.5 to 15 g, still more preferably 5 to 15 g.
  • the water retention liquid is mainly composed of water, and 10 to 50% by weight of polyol can be blended in the water retention liquid.
  • polyol examples include glycerin, dipropylene glycol, 1,3-butylene glycol, propylene glycol, sorbitol, 1,2, pentanediol, 1,2-hexanediol, etc. Among them, glycerin is preferable from the viewpoint of safety. .
  • preservatives such as methylparaben and phenoxyethanol, moisturizers such as hyaluronate and betaine, plant extracts, xanthan gum, hydroxypropylmethylcellulose (HPMC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), agar Water-soluble thickeners such as guar gum and carrageenan, fragrances such as eucalyptus and mint, and surfactants solubilizing fragrances (nonionic surfactants, amphoteric surfactants, anionic surfactants) can be used as appropriate.
  • the water retention liquid may be impregnated in advance in the absorbent core, or may be impregnated in the absorbent core during use.
  • the liquid or fragrance is preferably stored in a bag made of an impermeable aluminum laminate film, an aluminum vapor-deposited PET film, or a transparent (silica) vapor-deposited PET film.
  • the water retention liquid can contain a refreshing component, such as menthol, camphor, methyl salicylate, menthone, sage oil, thyme oil, peppermint oil, peppermint oil, spearmint oil, and the like. .
  • a refreshing component such as menthol, camphor, methyl salicylate, menthone, sage oil, thyme oil, peppermint oil, peppermint oil, spearmint oil, and the like.
  • a refreshing component can be contained, for example, in the water-retaining liquid in an amount of 0.01 to 10% by weight, preferably 0.05 to 5% by weight, more preferably 0.1 to 1% by weight.
  • the absorbent core as described above is used while being accommodated in a mask.
  • the mask according to the present invention includes a mask main body that covers the mouth and nostrils, and ear hook bands provided at both left and right ends of the mask main body.
  • the mask body contains an absorbent core impregnated with a water retention liquid, but it may be stored directly in the mask body, or a container for containing the absorbent core may be separately attached to the mask body. it can.
  • each member will be described.
  • the mask according to the present invention includes a mask body that covers the mouth, and the absorbent core described above is attached to the mask body.
  • a container described later can be fixed to the mask body, and the absorbent core can be stored in the container.
  • An ear hook made of a linear material as a mask is also attached.
  • the material for the ear hook part is not particularly limited, but a stretchable material made of polyester or the like is more preferable.
  • the ear hooking part can be configured by providing holes for the ears to enter at both left and right ends of the mask body.
  • the dimensions of the mask body are preferably about 100 to 190 mm in the horizontal direction and about 50 to 100 mm in the vertical direction in consideration of the size of the face. Furthermore, about 150 to 180 mm in the horizontal direction and about 70 to 90 mm in the vertical direction are more preferable.
  • the mask body can be composed of, for example, a woven fabric or a nonwoven fabric, preferably a nonwoven fabric by a spunbond method, a melt blow method, a thermal bond method or a spunlace method, more preferably a nonwoven fabric by a spunbond method from the viewpoint of shape retention. be able to.
  • the structure of the mask body can be one layer or two or more layers.
  • S layer spunbond single layer
  • SS layer spunbond-spunbond two-layer structure
  • SMS layer spunbond-meltblown
  • a three-layer structure of spunbond more preferably an S layer, an SS layer, and even more preferably an SS layer.
  • the fiber material constituting the woven fabric and the non-woven fabric can be selected from known materials such as paper, natural fibers such as rayon / cotton, and synthetic fibers such as polypropylene / polyethylene / polyester. Also, polypropylene and polyethylene are preferable from the viewpoint of productivity, and polypropylene can be more preferably selected from the viewpoint of shape retention.
  • the mask body When the mask body is formed of two or more woven or non-woven fabrics, these can be formed by sewing, ultrasonic welding, or heat sealing.
  • the crease can form at least one pleat, whereby the mask body expands in the vertical direction to accommodate various face sizes.
  • a linear nosepiece made of a plastic resin such as polyethylene, a biodegradable resin, or the like can be attached to the mask body, for example, along the upper side thereof. This nose piece prevents the mask body from fitting on the face and opening a gap between the nose and the mask body.
  • the mask according to the present invention can be separately provided with a housing for housing the absorbent core.
  • the container can be formed in a bag shape, and can be composed of a woven fabric or a non-woven fabric.
  • the nonwoven fabric can be preferably formed by a spunbond method, a thermal bond method or a spunlace method. Further, from the viewpoint of touch, the nonwoven fabric may be formed more preferably using a thermal bond method, a spunlace method, particularly preferably a spunlace method.
  • the dimensions of the container are preferably about 5 to 13 cm in the horizontal direction and about 4 to 10 cm in the vertical direction in consideration of the size of the absorbent core. Furthermore, for example, about 9 to 12 cm in the horizontal direction and about 6 to 8 cm in the vertical direction are more preferable.
  • a woven or non-woven fabric it can be made into a bag consisting of one layer or two or more layers, but the mouth side of the wearer has two layers from the viewpoint of breathability, flexibility and moisture resistance.
  • the mask body side is preferably a single layer.
  • a known material can be selected as the fiber material, but synthetic fibers such as polyester such as polypropylene, polyethylene, and PET are preferable from the viewpoint of air permeability, flexibility, moisture resistance, and productivity, such as PP core / PE sheath. These core-sheath fibers and hollow fibers can also be preferably used.
  • the container may be made of a single fiber material among these fiber materials, or may be made of two or more kinds of fiber materials.
  • Such a container is attached to the mask body by a known method such as sewing, ultrasonic welding, or heat fusion.
  • the container may be attached to the mask main body entirely or partially, and is preferably attached only to the upper part of the container or only the left and right parts of the container. More preferably, it is attached only at the upper part of the container. By attaching only at the top, it will not interfere with wearing a pleated mask.
  • the absorbent core of the present invention can be used for a three-dimensional mask mainly used in the daytime.
  • the mask body in the three-dimensional mask 2 will be described.
  • the mask body is breathable and is a sheet-like material covering the mouth and nostril, and is configured such that a space is formed between the mouth or nostril when worn on the face.
  • a space can be formed in advance.
  • the mask body is formed in a sheet shape, and the fold formed when the mask body is folded in half on the left and right sides is formed in an arc shape, when this is expanded, a space is formed in the arc-shaped portion. It becomes a three-dimensional shape.
  • the structure is not particularly limited as long as a space is formed between the mouth and the nostril.
  • the space formed at this time depends on the shape of the face, but preferably has a volume of, for example, 10 to 200 cm 3 , and more preferably has a volume of 30 to 150 cm 3 .
  • ear hooks for holding the mask body on the face are provided.
  • the mask body is provided with a storage portion for storing the absorbent core.
  • This accommodating part is provided in the area
  • the configuration of the storage unit is not particularly limited.
  • a bag-shaped storage unit having a pocket can be attached to the inside or the outside of the mask body.
  • the mask body can be constituted by superposing at least two sheet materials, and the absorbent core can be accommodated between the adjacent sheet materials. At this time, it is necessary to prevent the absorbent core from moving within the mask body.
  • a part of two sheets is bonded, and this bonded portion is at least one of the peripheral edges of the absorbent core. It can comprise so that a part may be enclosed.
  • the bonding portion can be formed in a linear shape.
  • the mask main body needs to have air permeability as a mask, but air permeability can be obtained by forming it with a nonwoven fabric or the like.
  • the air permeability is preferably 5 to 150 cm 3 / cm 2 ⁇ sec, and more preferably 30 to 100 cm 3 / cm 2 ⁇ sec.
  • the air permeability can be measured by JIS L1096 8.27.1A method (Fragile type method).
  • the material, structure, woven fabric and non-woven fabric constituting the mask body are the same as the mask 1. Moreover, when it is set as the structure accommodated so that an absorptive core may be pinched
  • the mask body can be composed of two non-woven fabrics having an SMS layer on the outside and an S layer on the inside, and the absorbent core can be accommodated between them.
  • the mask body When the mask body is formed of two or more woven or non-woven fabrics, these can be formed by sewing, ultrasonic welding, or heat sealing. In addition, the crease can form at least one pleat, whereby the mask body expands in the vertical direction to accommodate various face sizes.
  • a storage part when attaching the bag-shaped storage part which has a pocket to a mask main body, such a storage part can also be comprised with a nonwoven fabric as mentioned above.
  • Such a storage portion is attached to the mask body by a known method such as sewing, ultrasonic welding, or heat fusion.
  • the storage part may be attached to the mask main body entirely or partially, and can preferably be attached only at the upper part of the storage part or only at the left and right parts of the storage part.
  • FIG. 1 is a perspective view of a mask according to the present embodiment
  • FIG. 2 is a plan view when the mask of FIG.
  • the mask includes a mask body 1 that covers the mouth and nostrils, and ear hooks 2 provided at the left and right ends of the mask body 1. Furthermore, the mask main body 1 stores two absorbent cores 3 impregnated with a water retention liquid.
  • the mask body 1 has a symmetrical shape with the vertical center line 11 in between, and is configured by fusing a pair of mask pieces 12 of the same shape at the vertical center line 11. As shown in FIG. 2, each mask piece 12 has an arcuate shape at one end (right side), and the vertical width becomes narrower toward the other end, and the two protrusions 122 are lined up and down at the other end. It is formed as follows. And the elastic linear material 2 is attached so that the two protrusions 122 may be tied, and this linear material 2 comprises the ear hook part.
  • Each mask piece 12 is configured by superposing two non-woven fabrics and thermally fusing 121 the peripheral edge thereof. Of the peripheral edge, a part of the upper end of each mask piece, that is, a portion connected from one end of the arc shape is not thermally fused, and the absorbent core 3 is interposed between the non-fused portion 123 and the two nonwoven fabrics. Can be stored. Further, the mask piece 12 is formed with an adhesive portion 124 for holding the absorbent core 3 in a predetermined position. That is, as will be described later, a linear adhesive portion 124 is formed by thermal fusion along the lower end portion and the side portion of the absorbent core 3, and the adhesive portion 124 is inserted from the upper end of the mask piece 12. The absorptive core 3 is prevented from moving downward and laterally.
  • the mask body 1 is formed of two nonwoven fabrics of the above-described materials, the outer nonwoven fabric is formed of an SMS layer, and the inner nonwoven fabric is formed of an S layer.
  • FIG. 3 is a plan view (a) and a sectional view (b) of the absorbent core.
  • the absorbent core 3 used in this embodiment is divided into two parts, and each is accommodated in each mask piece 12. More specifically, it has a vertically symmetrical shape, and has a hexagonal shape in which one corner of the upper end and the lower end is cut off.
  • the lower end part of the absorptive core 3 is comprised by connecting the horizontal part 31 and the inclination part 32 in this order.
  • FIG. 1 As shown in FIG.
  • the above-described adhesive portion 124 is formed along the horizontal portion 31 and the inclined portion 32, and restricts the absorbent core 3 from moving downward by the adhesive portion 124 corresponding to the horizontal portion 31, Movement to the left and right is restricted by the adhesive portion 124 corresponding to the inclined portion 32 and the vertical center line 11 described above.
  • the absorbent core can be easily stored, and the absorbent core can be prevented from touching the cheek during use.
  • the absorbent core 3 is composed of a core body 4 that absorbs and retains the water retention liquid, and a thin film 5 that is bonded to one surface thereof.
  • a plurality of materials will be examined as will be described later.
  • the core body 4 and the thin film 5 are bonded with an adhesive of polyolefin resin or rubber resin.
  • the absorbent core 3 is accommodated in each mask piece 12 as described above, and at this time, the surface on which the thin film 5 is disposed is directed to the mask wearer side.
  • the vertical center line 11 is formed in an arc shape in the mask formed as described above, a space is formed in this portion when it is expanded from the half-folded state.
  • the cool component volatilized from the absorbent core 3 is filled in the space, and the cool component can be inhaled efficiently.
  • moisture content evaporated from the absorptive core 3 can improve the humidity of space, and can moisturize the inside of an oral cavity by this.
  • the hydrophobic treatment was performed by a method of sufficiently drying after immersing the nonwoven fabric in silicon emulsion (polon MR) manufactured by Shin-Etsu Chemical Co., Ltd. for 10 minutes.
  • Water retention liquid The water retention liquid was prepared by mixing the following materials.
  • the polyethylene films-1 and -2 and the hydrophobic treated polypropylene non-woven fabric do not ooze out the water retaining liquid when an external pressure is applied. This is thought to be due to the softness of these films. Moreover, there is no irritation

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

L'invention porte sur des noyaux absorbants capables d'empêcher un utilisateur de ressentir un inconfort même lorsque les noyaux absorbants sont imprégnés par un liquide à rétention d'eau contenant des composants rafraîchissants, et sur un masque doté des noyaux absorbants. Les noyaux absorbants devant être fixés au masque comportent chacun un corps principal de noyau qui est tellement absorbant qu'il est capable de retenir le liquide à rétention d'eau et un film mince imperméable au liquide fixé à la surface de chaque corps principal central opposée à l'utilisateur portant le masque.
PCT/JP2009/059511 2008-05-30 2009-05-25 Noyau absorbant et logement de celui-ci dans un masque WO2009145134A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008143835A JP5268432B2 (ja) 2008-05-30 2008-05-30 吸収性コア、及びこれを収容するマスク
JP2008-143835 2008-05-30

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WO2009145134A1 true WO2009145134A1 (fr) 2009-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI690348B (zh) * 2016-09-21 2020-04-11 日商花王股份有限公司 蒸氣溫熱面罩
US11045386B2 (en) 2015-06-10 2021-06-29 Kao Corporation Steam heating mask

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5466781B1 (ja) * 2013-06-26 2014-04-09 株式会社丸福繊維 マスク
TWM619320U (zh) * 2020-06-30 2021-11-11 日商優你 嬌美股份有限公司 用後即棄式口罩
WO2022168435A1 (fr) * 2021-02-03 2022-08-11 花王株式会社 Masque

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JP2004073227A (ja) * 2002-08-09 2004-03-11 Hakugen:Kk マスク用フィルタ及びマスク
JP2007319421A (ja) * 2006-05-31 2007-12-13 Kobayashi Pharmaceut Co Ltd 吸収性コア、及びこれを収容するマスク
JP2008501432A (ja) * 2004-06-03 2008-01-24 バイオキズ・ユーエスエー 民生用に適するバイオハザードマスク

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Publication number Priority date Publication date Assignee Title
JPH06253966A (ja) * 1993-02-26 1994-09-13 Herbert L Moretz 水分処理用ベッドパッド及びベッドシート
US5562650A (en) * 1994-03-04 1996-10-08 Kimberly-Clark Corporation Absorbent article having an improved surge management
JP3009504U (ja) * 1994-09-27 1995-04-04 ユニチカ株式会社 布団カバー

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Publication number Priority date Publication date Assignee Title
JP2004073227A (ja) * 2002-08-09 2004-03-11 Hakugen:Kk マスク用フィルタ及びマスク
JP2008501432A (ja) * 2004-06-03 2008-01-24 バイオキズ・ユーエスエー 民生用に適するバイオハザードマスク
JP2007319421A (ja) * 2006-05-31 2007-12-13 Kobayashi Pharmaceut Co Ltd 吸収性コア、及びこれを収容するマスク

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11045386B2 (en) 2015-06-10 2021-06-29 Kao Corporation Steam heating mask
TWI690348B (zh) * 2016-09-21 2020-04-11 日商花王股份有限公司 蒸氣溫熱面罩

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JP2009285370A (ja) 2009-12-10

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