WO2022024732A1 - マスク - Google Patents

マスク Download PDF

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Publication number
WO2022024732A1
WO2022024732A1 PCT/JP2021/026113 JP2021026113W WO2022024732A1 WO 2022024732 A1 WO2022024732 A1 WO 2022024732A1 JP 2021026113 W JP2021026113 W JP 2021026113W WO 2022024732 A1 WO2022024732 A1 WO 2022024732A1
Authority
WO
WIPO (PCT)
Prior art keywords
joint
ear hook
mask
right direction
auxiliary material
Prior art date
Application number
PCT/JP2021/026113
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
良太 本城
里奈 鬼澤
Original Assignee
大王製紙株式会社
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 大王製紙株式会社 filed Critical 大王製紙株式会社
Priority to CN202180022979.0A priority Critical patent/CN115315204A/zh
Priority to BR112022025324A priority patent/BR112022025324A2/pt
Priority to EP21850131.0A priority patent/EP4190194A4/en
Publication of WO2022024732A1 publication Critical patent/WO2022024732A1/ja

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Classifications

    • 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
    • A41D13/1161—Means for fastening to the user's head
    • 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
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape

Definitions

  • the present invention relates to a mask.
  • the wearer As a configuration of the mask to be worn on the face, the wearer to hold the mask body that covers the wearer's face at least partially and the pair of ear hooks connected to the mask body, that is, the mask body at the wearing position. It is known to have a member that can be hung on each ear. A stretchable member is often used for the ear hook portion.
  • Patent Document 1 discloses a mask in which a sheet-shaped first ear hook portion and a second ear hook portion are joined to a mask main body portion at ends in the left-right direction.
  • the ear hook portion is directly coupled to the mask body. Therefore, depending on the configuration of the ear hook portion and / or the configuration of the mask body, sufficient bond strength may not be obtained between the ear hook portion and the mask body.
  • the ear hook is made of a stretchable material
  • the mask body cannot follow the expansion and contraction deformation of the ear hook during the wearing operation and during wearing, and the ear hook is separated from the mask body to form the mask. It may break.
  • the end of the ear hook can be free, so the edge of the ear hook may be rolled up, and the mask becomes thicker by the amount of the curled edge, and during storage. It was sometimes bulky.
  • one aspect of the present invention is to provide a mask that is hard to break, has an excellent fit, and is not bulky even during storage.
  • One aspect of the present invention includes a mask body, a pair of sheet-shaped ear hooks, and a sheet-shaped auxiliary material that mediates the connection between the mask body and the ear hooks, and the mask body is provided in the left-right direction.
  • the ear hook and the auxiliary material are overlapped on one side of the mask body, and the outer edge of the ear hook in the left-right direction is the left-right direction of the mask body.
  • the first joint portion located inside the outer edge and the outer edge of the auxiliary material in the left-right direction, and the mask body and the auxiliary material are joined in the thickness direction, the ear hook portion, and the auxiliary material.
  • a second joint portion to which the material is joined in the thickness direction is formed, and the second joint portion reaches the outer end edge of the ear hook portion in the left-right direction.
  • FIG. 1 is a cross-sectional view taken along the line II of FIG. It is a top view which shows the state after each pair of ear hooks is opened sideways.
  • FIG. 4 is a sectional view taken along line II-II of FIG. It is an enlarged view of the part III of FIG. 4, and is the figure for demonstrating the 2nd joint part.
  • a second joint according to a modified example is shown. The second joint according to another modification is shown. The second joint according to still another modification is shown. The second joint according to still another modification is shown.
  • the mask according to this embodiment may be a mask capable of covering the wearer's face, more specifically, at least the wearer's nose and mouth.
  • the mask according to this embodiment may have a function of preventing foreign matter from reaching the face and preventing droplets emitted by the wearer from scattering, and is also called a sanitary mask or a surgical mask.
  • the mask may be disposable or reusable by washing.
  • FIG. 1 shows a plan view of the mask 1 according to this embodiment.
  • FIG. 1 is a view of the mask 1 viewed from the outside (or the outer surface side), that is, the side exposed to the outside so as not to face the face when worn.
  • FIG. 2 shows a plan view of the mask as viewed from the inside (face side).
  • FIG. 3 shows a sectional view taken along line II of FIG.
  • the mask 1 As shown in FIG. 1, the mask 1 according to the present embodiment is arranged in front of the wearer's face at the time of wearing, and is coupled to the mask body 10 which can mainly cover the nose and mouth of the wearer and the mask body 10. It includes a pair of ear hooks 20a and 20a.
  • the mask body 10 has a vertical direction D1 corresponding to the vertical direction of the wearer's face when worn, and a horizontal direction D2 corresponding to the horizontal direction of the wearer's face when worn.
  • the vertical direction D1 and the horizontal direction D2 are orthogonal to each other.
  • the mask body 10 has a rectangular plan view shape having long sides in the left-right direction D2, but the plan view shape of the mask body 10 is not limited to the one shown in the figure.
  • the mask main body 10 has a pleated structure 15 formed by a plurality of folds arranged side by side in the vertical direction D1.
  • the folds of the pleated structure 15 are formed by folding the sheet constituting the mask body 10 along a folding line along the left-right direction D2. Then, in a state where a plurality of folds are formed, both side portions (both ends of the left-right direction D2) of the mask main body 10 are fixed by a heat seal or the like.
  • the folds of the pleated structure 15 are widened in the vertical direction D1, so that the center of the mask body 10 in the left-right direction D2 is curved so as to protrude toward the outer surface side of the mask 1, and the three-dimensional shape of the face is formed. Can be transformed into a shape suitable for.
  • the specific configuration of the pleated structure 15 is not particularly limited, and may be a known configuration formed on the mask body.
  • the mask body 10 may have a multilayer structure in which a plurality of layers are laminated.
  • the structure may include at least three layers in which an intermediate layer having an enhanced function of collecting foreign substances (dust, pollen, bacteria, viruses, etc.) is sandwiched between an outer layer and an inner layer.
  • Each layer constituting the main body 10 preferably includes a fiber-containing layer such as a non-woven fabric, a woven fabric, or a knitted fabric, and more preferably contains a non-woven fabric.
  • the non-woven fabric include spunbonded non-woven fabric, spunlaced non-woven fabric, meltblown non-woven fabric, air-through non-woven fabric, point-bonded non-woven fabric and the like.
  • the fiber constituting the fiber-containing layer is preferably a resin fiber, and examples of the resin type of the resin fiber include polyethylene, polypropylene, polyethylene terephthalate, and nylon.
  • the basis weight of the outer layer and the inner layer may be 10 to 50 g / m 2 , preferably 15 to 50 g / m 2 .
  • the basis weight of the intermediate layer having a high foreign matter collecting property is preferably 10 to 100 g / m 2 , and more preferably 15 to 50 g / m 2 .
  • the pair of ear hooks 20a and 20a may each have an annular shape (or a closed band shape) in a plan view, or may have a shape including a ring.
  • the ear hook 20a can be hung on the inside of the ring of the ear hook 20a, that is, the wearer's ear is inserted into the opening 29 at the center of the ear hook 20a.
  • the pair of ear hook portions 20a and 20a are formed in a sheet shape. Since the pair of ear hooks 20a and 20a are in the form of a sheet, when the ear hooks 20a are hung on the ears when the mask is worn, the back of the ears or the back surface of the earlobe can be in surface contact with each other, thus reducing the burden on the ears. can do. Therefore, even if it is used for a long time, the feeling of strangeness can be reduced.
  • the pair of ear hook portions 20a and 20a are formed in a single sheet shape that is separably connected to each other at the center of the left-right direction D2, that is, as an ear hook portion sheet 20. ..
  • the single sheet refers to a form consisting of one continuous sheet. This one sheet may be a single layer or may be a laminated body in which a plurality of layers are laminated. Since the pair of ear hooks 20a and 20a are in the form of a single sheet, the ear hooks 20a and 20a can be positioned at the same time during manufacturing, so that the mask can be manufactured more easily. However, the pair of ear hooks 20a and 20a do not necessarily have to be connected.
  • the ear hook sheets 20 can form the pair of ear hooks 20a and 20a separated by breaking at a predetermined position. It may be configured. More specifically, in the form of FIG. 1, the pair of ear hook portions 20a and 20a are connected by the coupling portion 28.
  • the bonding form of the bonding portion 28 is not particularly limited, but it is preferably a bond that can be separated by pulling with a normal force of the user. For example, it may be formed as a perforation as shown in FIG.
  • the joint portion 28 may be formed by reducing the thickness of the sheet or by other means such as weakening the boundary between the pair of ear hook portions 20a and 20a or making it easier for stress to be applied. .. Further, the joint portion 28 may be configured so that the user can cut it with a tool such as scissors.
  • Both ends of the pair of ear hooks 20a and 20a in the left-right direction D2 are joined to the main body 10 via an auxiliary material 30 (detailed later), and the other parts are joined to the mask main body 10.
  • the user opens the portions of the ear hooks 20a and 20a that are not joined to the main body 10 laterally in the left-right direction D2 before wearing the mask 1. Also called operation).
  • the pair of ear hooks 20a and 20a are detachably connected to each other as described above, the coupling is released and the ear hooks 20a and 20a are separated from each other before the unfolding operation (also referred to as a separation operation). ).
  • the pair of ear hook portions 20a and 20a are coupled to both side portions (both ends of the left-right direction D2) on one side of the mask main body 10, respectively. Further, as shown in FIGS. 1 to 3, the pair of ear hooks 20a and 20a (ear hook sheets 20) have a shape and a size that do not protrude from the mask body 10 at least in the left-right direction D1 in a plan view. You can do it. With this configuration, the mask body 10 and the ear hook sheet 20 are overlapped and joined to the mask continuously without requiring complicated steps such as folding and bending of the ear hook sheet 20 at the time of manufacturing. Can be manufactured.
  • the ear hooks 20a and 20a may be made of a stretchable material, or at least a material having stretchability in the left-right direction. Since the ear hooks 20a and 20a have elasticity, the user can easily pull the ear hooks 20a and 20a to the back of the ear and then hang them on the ear when wearing the mask. Also, during wearing (during wearing), the mask body 10 can be fitted to the face by the tensile stress generated in the ear hooks 20a and 20a.
  • the ear hook portion 20a may be a single-layer sheet made of a stretchable material, or may be a multi-layer sheet in which a plurality of layers including a layer made of a stretchable material are laminated.
  • the stretchable material may be a stretchable non-woven fabric, a stretchable film, or a thread-like or string-shaped stretchable member such as rubber thread.
  • the stretchability of the non-woven fabric is expressed by the fact that the non-woven fabric contains elastic fibers, for example, the fiber material itself has elasticity or the fibers are crimped fibers. good.
  • elasticity may be exhibited by a predetermined physical structure, for example, by having irregularities on the surface.
  • the stretchable non-woven fabric include a shrinkable air-through non-woven fabric, a stretchable spunbonded non-woven fabric, a stretchable spunlaced non-woven fabric, a stretchable needle punched non-woven fabric, and a stretchable chemical bond non-woven fabric.
  • the basis weight of the nonwoven fabric used may be preferably 5 to 50 g / m 2 , more preferably 8 to 35 g / m 2 .
  • the ear hook portion 20a is composed of a multilayer sheet in which a plurality of layers of non-woven fabric are laminated, for example, a spunbond non-woven fabric / meltblown non-woven fabric / spunbond non-woven fabric can be configured, and at least one of these can be configured.
  • a stretchable non-woven fabric can be used for the layer.
  • the ear hook portion 20a is composed of a multilayer sheet containing a stretchable film, a non-woven fabric / stretchable film, a non-woven fabric / stretchable film / non-woven fabric (for example, spunbond non-woven fabric / stretchable film / spunbond non-woven fabric, etc.) Examples include air-through non-woven fabric / elastic film / air-through non-woven fabric, etc.).
  • a sheet in which two layers are laminated one of the layers is made elastic, the elastic layer is stretched, the other layer is laminated, intermittently fixed, and then relaxed. The sheet can be returned to the natural state to obtain a sheet for the ear hook portion 20a.
  • the central layer is stretched, the layers are laminated on both sides and fixed intermittently, and then relaxed to return to the natural state, and the ear hook portion.
  • a sheet for 20a can be obtained.
  • the stretchable film since it is easy to manufacture and high elasticity can be obtained, a configuration using an elastic film, particularly a configuration in which non-woven fabrics are arranged on both sides of the elastic film is preferable.
  • the material of the stretchable film include polyolefins such as polyethylene and polypropylene, polyurethane and the like.
  • the stretchability of the stretchable film is preferably one having a maximum elongation rate (elongation rate at the time of tensile break) of 3.5 to 4.0 as measured by a tensile tester.
  • the stretchable film may have a function of allowing moisture to pass through.
  • the stretchable film When using a stretchable film, the stretchable film is stretched at a predetermined magnification with respect to the natural length, and the non-woven fabric is intermittently bonded to the stretchable film by ultrasonic welding or the like, and then relaxed to return to the natural state. Then, a sheet for the ear hook portion 20a can be obtained. Since the unbonded portion of the nonwoven fabric rises due to the relaxation of the stretchable film, the resulting sheet is formed with a large number of wrinkles extending along a direction substantially orthogonal to the stretching direction.
  • the sheet for the ear hook portion 20a may be formed by sandwiching the thread-like rubber in a stretched state with a non-woven fabric having low elasticity or no elasticity. Further, the above materials may be bonded to each other with a stretchable or non-stretchable hot melt non-woven fabric (nonwoven fabric in which the fibers are softened or melted by heating and can be adhered to other members).
  • the basis weight of the ear hook portion 20a (ear hook portion sheet 20) may be 20 to 150 g / m 2 . Further, the thickness of the ear hook portion 20a may be 100 to 3,000 ⁇ m.
  • auxiliary material 30 that mediates the connection between the mask main body 10 and the ear hook portion 20a is provided at each end of the mask main body 10 in the left-right direction D2. ing. That is, the pair of ear hook portions 20a and 20a may be connected to the side portions of the mask main body 10 via the sheet-shaped auxiliary materials 30 and 30, respectively.
  • the auxiliary material 30 may extend over the vertical direction D1 of the mask 1.
  • the length (width) of the auxiliary material 30 in the left-right direction D2 is 15 to 35 mm, although it depends on the size and configuration of the entire mask 1 and the size, shape, and material of the mask body 10 and the ear hook portion 20a. preferable.
  • the basis weight of the auxiliary material 30 may be 5 to 100 g / m 2 .
  • the thickness of the auxiliary material 30 may be 100 to 1,000 ⁇ m.
  • the auxiliary material 30 may be formed of a non-stretchable or small material, or may be formed of a material having a certain degree of elasticity.
  • the auxiliary material 30 may include, for example, a stretchable non-woven fabric.
  • the auxiliary material 30 preferably has elasticity at least in the left-right direction D2, but the elasticity of the auxiliary material 30 is preferably smaller than the elasticity of the ear hook portion 20a.
  • the auxiliary material 30 may be formed of a material whose shape can be irreversibly deformed when a force is applied.
  • the auxiliary material 30 is arranged on the side of the mask main body 10 on which the pair of ear hook portions 20a and 20a are overlapped. That is, at the end of the mask main body 10 in the left-right direction D2, the mask main body 10, the ear hook portion 20a, and the auxiliary material 30 are overlapped.
  • the mask main body 10, the ear hook portion 20a, and the auxiliary material 30 are stacked in this order.
  • the outer edge 11 of the mask body 10 and the outer edge 31 of the auxiliary material 30 may be at substantially the same position in the left-right direction D2, but the outer edge of the ear hook 20a (ear hook sheet 20) may be located at substantially the same position.
  • the 21 (also referred to as a joint-side edge) is located inside D2 in the left-right direction with respect to the outer edge 11 of the mask body 10 and the outer edge 31 of the auxiliary material 30.
  • the mask body 10 and the auxiliary material 30 can be in contact with each other in the thickness direction of the mask body 10 at the end portion in the left-right direction D2, and the ear hook portion 20a and the auxiliary material 30 can also be in contact with each other in the thickness direction. ..
  • the first joint portion 50 to which the mask main body 10 and the auxiliary material 30 are in contact is formed, and the second joint portion 50 to which the two are joined is formed in the range where the ear hook portion 20a and the auxiliary material 30 are in contact with each other.
  • the joint 60 is formed.
  • the configurations of the first joint portion 50 and the second joint portion 60 in FIGS. 1 to 3 (and FIGS. 4 and 5 to be referred to later) are schematic, and the details (shape, size, arrangement, etc.) thereof are shown. ) Will be described with reference to the enlarged views (FIGS. 6 to 9).
  • the auxiliary material 30 is interposed in the connection between the ear hook portion 20a and the mask body 10, the mask 1 is formed without directly connecting the ear hook portion 20a and the mask body 10. can do. Therefore, the bond between the mask main body 10 and the auxiliary material 30 and the bond between the ear hook portion 20a and the auxiliary material 30 can be formed separately in appropriate forms.
  • the mask body 10 has a function of blocking the intrusion of foreign matter and preventing the scattering of droplets generated by the wearer, while the ear hook portion 20a is attached to the wearer's ear when worn. It has a function of hanging and holding the main body 10. Therefore, it is preferable that the mask body 10 and the ear hook portion 20a are usually made of different materials, and the ear hook portion 20a is made of an elastic material. Therefore, in the conventional configuration in which the mask main body 10 and the ear hook portion 20a are directly joined, when a force is applied to the mask 1 by pulling the ear hook portion 20a or the like, the mask main body 10 is attached to the ear hook portion 20a.
  • the mask body 10 and the ear hook portion 20a are not directly coupled to each other, but the auxiliary material 30 is interposed, so that the ear hook portions 20a and 20a can be removed from the mask body 10 even if an excessively large force is applied.
  • the ear hook 20a can be moved more freely with respect to the mask body 10 as compared with the case where the ear hook 20a is directly connected to the mask body 10, so that when the ear hook 20a is attached to the ear.
  • the position of the ear hook portion 20a with respect to the ear can be set more freely.
  • the connecting portion 28 is composed of perforations formed along the boundary line between the pair of ear hook portions 20a and 20a, the perforations are broken and both ear hook portions 20a and 20a are bordered. Can be separated along. After that, the user can open the pair of ear hooks 20a and 20a outward (indicated by arrows) in the left-right direction D2 as shown in FIG. 3 while holding the pair of ear hooks 20a and 20a, respectively.
  • FIG. 4 shows a state in which the pair of ear hooks 20a and 20a are opened outward from the left-right direction D2 from the state of FIG.
  • FIG. 5 shows a sectional view taken along line II-II of FIG.
  • the ear hooks 20a and 20a are turned inside out. That is, the surfaces of the ear hooks 20a and 20a facing the main body 10 in the state before the start of use are exposed.
  • the mask body 10 is attached so that the face side surface of the mask body 10 faces the wearer's face. It is placed on the face of the wearer, and the ear hooks 20a and 20a are hung on the wearer's ears, respectively.
  • the pair of ear hooks 20a and 20a (ear hook sheets 20) in the form of a single sheet are arranged so as to overlap the mask main body 10.
  • the pair of ear hooks 20a and 20a may be overlapped on either surface of the mask body 10, but it is preferable that the pair of ear hooks 20a and 20a are overlapped on the outer surface of the mask body 10 as shown in the illustrated form.
  • the pair of ear hooks 20a and 20a are connected to the outer surface side of the mask body 10 (the side exposed to the outside when worn), and the mask body is in a state before the start of use. It is arranged on the outer surface side of 10.
  • the side on which the pair of ear hooks 20a and 20a are overlapped may be the inner surface side (face side) of the mask body 10, but since they are arranged and combined on the outer surface side, the pair is paired at the start of use.
  • the mask 1 when the user wears the mask 1 on himself / herself, the mask 1 is placed on his / her face so that the inner surface of the mask body 10 faces his / her face, and the outer surface of the mask body 10 is pressed with one hand. With the other hand, the coupling of the ear hooks 20a and 20a at the joint 28 is released, and one ear hook 20a is hung on the ear. Then, after changing one hand holding the mask body 10 to the other hand, the other ear hook portion 20a can be hung on the ear with one hand.
  • the user grasps the pair of ear hook portions 20a and 20a by hand, respectively. Open to the outside of D2 in the left-right direction.
  • the mask 1 is moved to the face of a wearer other than himself, and the mask body 10 is placed at a desired position on the wearer's face.
  • the pair of ear hooks 20a and 20a can be hung on the wearer's ears without changing. Therefore, the mask 1 according to the present embodiment can also be suitably used when a person who has difficulty in wearing the mask by himself / herself, such as a child or a sick person, is to wear the mask.
  • the ear hooks 20a and 20a may be formed with picking portions 25 and 25 that can be picked by the user, respectively.
  • the picking portions 25, 25 are not particularly limited as long as they can be picked by the user in the separation operation and / or the deployment operation, but protrude from the mask body 10 in a plan view, preferably the lower end of the mask body 10. It is preferable that the shape protrudes from the surface. As a result, the user can hygienically perform the separation operation and the unfolding operation without touching or hardly touching the mask body 10. Further, the knob portions 25, 25 can also be used to adjust the wearing state of the ear hook portions 20a, 20a after wearing.
  • a mark 18 that enables distinction between the front and back (outer surface and inner surface) of the mask main body 10 may be formed by embossing, printing, sewing, or the like.
  • the form of the mark 18 is not limited as long as it can be visually recognized by the user.
  • the mark 18 may be a character, a number, a symbol, a figure, a logo, or the like. If the mark 18 is a character, the side on which the user can read the character correctly can be recognized as the outer surface.
  • the sheet-shaped ear hook portion 20a and the sheet-shaped auxiliary material 30 are overlapped and joined at the first joining portion 50. Further, the mask main body 10 and the sheet-shaped auxiliary material 30 are overlapped and joined at the second joint portion 60. Both the first joint 50 and the second joint 60 are means for joining the opposing surfaces of the member, for example, by applying pressure and / or heat, such as heat seal, ultrasonic seal, non-heated embossing. It can be formed by processing or the like. Of these, it is preferable to use a heat seal because reliable bonding is possible.
  • connection between the mask main body 10 and the ear hooks 20a and 20a (ear hook sheet 20) by the first joint 50 and the second joint 60 can be formed by the following procedure.
  • the auxiliary material 30 is placed on the ear hook portion 20a, and the outer end edge (joint side end edge) 21 of the ear hook portion 20a in the left-right direction D2 is in the left-right direction D2 from the outer end edge 31 of the left-right direction D2 of the auxiliary material 30.
  • the ear hooks 20a and the auxiliary material 30 are joined by the second joint 60 to form a combination.
  • the combination is placed on the mask body 10 so that the outer edge 21 of the lateral D2 of the ear hook portion 20a is located inward of the lateral D2 from the outer edge 11 of the lateral D2 of the mask body 10.
  • the outer edge 31 of the auxiliary material 30 and the outer edge 11 of the mask body 10 are arranged so as to be aligned with each other.
  • the vicinity of the end portion of the mask main body 10 in the left-right direction D2 and the auxiliary material 30 are in direct contact with each other, and the first joint portion 50 is formed in this contacted region.
  • the joint portion between the mask main body 10 and the ear hook portion 20a at the end portion of the mask 1 in the left-right direction D2 can be easily formed without performing a complicated process such as folding back.
  • both the first joint portion 50 and the second joint portion 60 are continuously formed over the vertical direction D1, that is, from the upper end to the lower end in the vertical direction D1.
  • the configuration of the first joint portion 50 or the second joint portion 60, that is, what kind of pattern or method the joint is formed in the first joint portion 50 or the second joint portion 60 is determined.
  • both the first joint portion 50 and the second joint portion 60 are preferably formed from a plurality of joint small portions from the viewpoint of ensuring both flexibility and adhesive strength.
  • FIG. 6 shows an enlarged view of one of the second joints 60.
  • FIG. 6 corresponds to an enlarged view of a portion III of FIG. 5 showing a state in which the ear hook portion 20a is expanded.
  • the second joint portion 60 has a plurality of joint small portions 65, 65, .... Since the plurality of joint small portions 65, 65, ... Are formed so as to be separated from each other in the vertical direction D1, the flexibility can be improved particularly when the mask 1 is bent in the vertical direction D1.
  • Such a joint small portion 65 is preferably formed by fusion with a heat seal or the like, which is preferable because the joint strength between the ear hook portion 20a and the auxiliary material 30 can be increased.
  • the length (width) of the joint small portion 65 in the second joint portion 60 in the left-right direction D2 corresponds to the width w2 of the second joint portion 60.
  • the width w 2 of the second joint portion 60 may be 3 to 10 mm.
  • the width w 2 does not necessarily have to be constant and may vary from place to place.
  • the pitch P of the joint small portion 65 in the second joint portion 60 in the vertical direction D1 (the vertical direction from the center of the vertical direction D1 of one joint small portion 65 to the center of the vertical direction D1 of the adjacent joint small portions 65).
  • the length of D1) may be 0.5 to 5.0 mm.
  • the length L of one joint small portion 65 in the vertical direction D1 may be 0.1 to 1.0 mm.
  • the shape of the joint small portion 65 is not particularly limited, and may be a rectangle having a long side in the left-right direction D2 (FIG. 6) or a rectangle other than the rectangle. Alternatively, it may be a quadrangle other than a rectangle, a polygon other than a quadrangle, a circle, an ellipse, or any other shape. However, as shown in FIG. 6, if the shape is long in the left-right direction D2 or the linear shape extends in the left-right direction D2, the second joint portion 60 particularly with respect to the force of pulling the ear hook portion 20a in the left-right direction D2. It is preferable because it is hard to break. When all or part of the joint small portion 65 is linear, the aspect ratio of the shape, that is, (short side or minor diameter) / (long side or major diameter) is 0.1 / 15.0 to 1.0. It may be /4.0.
  • FIG. 7 shows the second joint portion 160 as an example of the second joint portion.
  • FIG. 7 corresponds to an enlarged view of a portion III of FIG. 5 showing a state in which the ear hook portion 20a is expanded.
  • the second joint portion 160 includes a plurality of joint small portions 165, 165, ...
  • the portions 165, 165, ... Are different from the second joint portion 60 (FIG. 6) in that the portions 165, 165, ... Reach the outer end edge (joint side end edge) 21 of the ear hook portion 20a in the left-right direction D2.
  • FIGS. 6 and 7 corresponding to the enlarged view of the portion III of FIG.
  • the ear hook portion 20a is opened outward in the left-right direction D2, and the arrangement of the ear hook portion 20a is in the state before the start of use ( Since it is reversed in the left-right direction D2 from FIG. 1), the outer edge (joint side edge) 21 of the ear hook portion 20a in the left-right direction D2 is located on the center side (inside) of the left-right direction D2.
  • the outer edge 21 of the ear hook portion 20a in the left-right direction D2 is the state before the start of use, that is, the state before the ear hook portions 20a and 20a are deployed, in the left-right direction D2 of the ear hook portion 20a. It is the outer edge and means the edge on the side of the mask body 10 that is coupled to the end of the mask body 10 in the left-right direction D2 via the auxiliary material 30.
  • Such a joint small portion 165 is preferably formed by fusion with a heat seal or the like, which is preferable because the joint strength between the ear hook portion 20a and the auxiliary material 30 can be increased.
  • the length (width) of the joint small portion 165 in the second joint portion 60 in the left-right direction D2 corresponds to the width w2 of the second joint portion 160.
  • the width w 2 of the second joint portion 160 may be 3 to 10 mm.
  • the width w 2 does not necessarily have to be constant and may vary from place to place.
  • the pitch P of the vertical direction D1 of the joint small portion 165 in the second joint portion 160 (the vertical direction from the center of the vertical direction D1 of one joint small portion 165 to the center of the vertical direction D1 of the adjacent joint small portions 165).
  • the length of D1) may be 0.5 to 5.0 mm.
  • the length L of one joint small portion 165 in the vertical direction D1 may be 0.1 to 1.0 mm.
  • the shape of the joint small portion 165 is not particularly limited, and may be a rectangle having a long side in the left-right direction D2, or may be a rectangle other than a rectangle. Alternatively, it may be a quadrangle other than a rectangle, a polygon other than a quadrangle, a circle, an ellipse, or any other shape. However, as shown in FIG. 7, if the shape is long in the left-right direction D2 or the linear shape extends in the left-right direction D2, the second joint portion 160 particularly with respect to the force of pulling the ear hook portion 20a in the left-right direction D2. It is preferable because it is hard to break.
  • the aspect ratio of the shape that is, (short side or minor diameter) / (long side or major diameter) is 0.1 / 15.0 to 1.0. It may be /4.0.
  • the ear hook portion 20a is the outer end of the left-right direction D2. If it is formed so as to straddle the edge 21, the region up to the outer end edge 21 of the ear hook portion 20a can be reliably joined to the auxiliary material 30.
  • the second joint portion 160 does not reach the outer end edge 21 of the ear hook portion 20a in the left-right direction D2 (when the second joint portion 160 does not include the outer end edge 21 of the ear hook portion 20a)
  • the region near the outer edge 21 of the ear hook portion 20a may be lifted away from the auxiliary material 30.
  • the region near the outer edge 21 of the ear hook portion 20a may be bent or rolled up and curled, and the mask 1 may be bulky in the thickness direction during storage.
  • the mask 1 may be bulky in the thickness direction during storage.
  • the outer end edge 21 of the ear hook portion 20a is outside when worn. It is exposed to the human eye. Therefore, if the region near the outer edge 21 of the ear hook portion 20a is bent or rolled up as described above, the appearance (aesthetics) of the mask at the time of wearing may be impaired. The aesthetics can be improved by reaching the outer edge 21 of the ear hook portion 20a in the left-right direction D2.
  • the rolled outer edge 21 of the ear hook 20a is on the face. It may impair the fit when touched, but such inconvenience can be avoided.
  • the second joint portion reaches the outer end edge 21 of the ear hook portion 20a in the left-right direction D2, that is, the left-right end edge of the second joint portion 60 is outside the left-right direction D2 of the ear hook portion 20a.
  • the case where the second joint portion 60 is aligned with the end edge 21 may be included, and the case where the second joint portion 60 is formed so as to straddle the outer end edge 21 in the left-right direction D2 of the ear hook portion 20a so as to straddle the left-right direction D2. You can go out.
  • the length v in the left-right direction D2 in which the second joint portion exceeds the outer end edge 21 is determined. It may be more than 0 to 3.0 mm.
  • FIG. 8 shows the second joint portion 260 as another modification of the second joint portion.
  • the second joint portion 260 has a plurality of joint small portions separated in the vertical direction D1, and similarly to the second joint portion 160 (FIG. 7), the outer edge of the ear hook portion 20a in the left-right direction D2 ( It reaches the end edge on the joint side) 21. Therefore, also in this example, it is possible to prevent the region near the outer end edge 21 of the ear hook portion 20a from curling or bending.
  • the second joint portion 260 is different from the second joint portion 160 (FIG. 7) in that the joint small portion is separated in the left-right direction D2.
  • the second joint portion 260 is formed by a row of a plurality of joint small portions 265, 265, ... Formed apart from each other in the vertical direction D1, and separated from the row in the left-right direction D2. , Includes a row of plurality of joint small portions 266, 266, ... Formed spaced apart from each other in the vertical direction D1.
  • the second joint portion 260 is composed of a plurality of rows separated in the left-right direction D2, the flexibility when the ear hook portion 20a and the auxiliary material 30 are bent in the left-right direction D2 is ensured. Therefore, the wearing feeling of the mask 1 can be improved.
  • FIG. 9 shows a second joint portion 360 as yet another modification of the second joint portion.
  • the second joint portion 360 has a plurality of joint small portions separated in the vertical direction D1, and like the second joint portion 160 (FIG. 7) and the second joint portion 260 (FIG. 8), the ear hook portion. It reaches the outer edge (joint side edge) 21 of 20a in the left-right direction D2. Therefore, also in this example, it is possible to prevent the region near the outer end edge 21 of the ear hook portion 20a from curling or bending.
  • the joint small portion is separated in the left-right direction D2 as in the second joint portion 260 (FIG. 8).
  • the second joint 360 is different from the second joint 260 (FIG. 8) in that the configuration of the small joints included in the row is different.
  • joint small portions having different lengths in the left-right direction D2 are alternately formed. That is, one of the joining small subsequences (the left row in FIG. 9) of the second joining portion 360 has a first joining small portion 365a having a long length in the left-right direction D2 and a second having a short length in the left-right direction D2. It has a joint small portion 365b, and the first joint small portion 365a and the second joint small portion 365b are alternately arranged in the vertical direction D1.
  • the first joint small portion 365a is formed so as to reach the outer end edge 21 of the ear hook portion 20a, preferably straddle the outer end edge 21 of the ear hook portion 20a.
  • the second joint small portion 365b does not reach the outer end edge 21 of the ear hook portion 20a.
  • FIG. 10 shows a second joint portion 460 as yet another modification of the second joint portion.
  • the second joint portion 460 has a plurality of joint small portions 465, 465, ... Separated in the vertical direction D1, and similarly to the second joint portion 160 (FIG. 7), the ear hook portion 20a is located in the left-right direction D2. It has reached the outer edge (joint side edge) 21 of the above. Therefore, also in this example, it is possible to prevent the region near the outer end edge 21 of the ear hook portion 20a from curling or bending.
  • the second joint portion 460 has a second joint portion 160 (FIG. 7) in that the pitches of the joint small portions 465, 465, ... Different from.
  • the pitch of the plurality of joint small portions 465, 465, ... Included in the second joint portion 460 is small at the end portion in the vertical direction D1 and large at the center.
  • the ear hook portion 20a is pulled in the left-right direction D2, and at that time, a force is particularly likely to be applied to the upper end portion and the lower end portion of the second joint portion. Therefore, as shown in FIG. 10, by reducing the pitch of the joint small portion 465 in the second joint portion 460 at the end portion in the vertical direction D1, the joint strength at the end portion in the vertical direction D1 can be improved. Can be done.
  • the center of the second joint portion 460 in the vertical direction D1 where the applied force is relatively small by increasing the pitch of the joint small portion 465, the flexibility of the second joint portion 460, and eventually the mask 1 You can keep your flexibility.
  • the first joint portion 50 which is the joint portion between the mask main body 10 and the auxiliary material 30, is also formed over the vertical direction D1 as in the second joint portion 60.
  • the length (width) w 1 (FIG. 1) of the first joint portion 50 in the lateral direction D2 can be 3 to 10 mm. This width w 1 does not necessarily have to be constant and may vary depending on the location. By setting the width w 1 in the above range, a reliable joint can be formed between the mask main body 10 and the auxiliary material 30, and the hardness of the first joint portion 50 prevents the flexibility of the entire mask 1 from being impaired. can. In addition, it is possible to reduce the discomfort that occurs when the first joint portion 50 touches the face.
  • the first joint portion 50 and the second joint portion 60 may be formed in contact with each other in a plan view in a state before the start of use, but it is preferable that the first joint portion 50 and the second joint portion 60 are provided apart from each other.
  • the separation distance between the first joint portion 50 and the second joint portion 60 in a plan view may be 1 to 15 mm.
  • the embodiment according to Appendix 1 includes a mask main body, a pair of sheet-shaped ear hook portions, and a sheet-shaped auxiliary material that mediates the connection between the mask main body and the ear hook portion, and the mask main body is provided in the left-right direction.
  • the ear hook and the auxiliary material are overlapped on one side of the mask body, and the outer edge of the ear hook in the left-right direction is the left-right direction of the mask body.
  • the first joint portion located inside the outer edge and the outer edge of the auxiliary material in the left-right direction, and the mask body and the auxiliary material are joined in the thickness direction, the ear hook portion, and the auxiliary material.
  • a second joint portion to which the material is joined in the thickness direction is formed, and the second joint portion reaches the outer end edge of the ear hook portion in the left-right direction.
  • a sheet-shaped auxiliary material which mediates the connection between the mask main body and the pair of sheet-shaped ear hook portions.
  • the pair of ear hooks are each coupled to the mask body via an auxiliary material.
  • the bond between the mask body and the auxiliary material and the bond between the ear hook and the auxiliary material can be formed separately, so that these bonds can be formed depending on the material of the two members to be bonded.
  • Each can be optimized.
  • a first joint portion in which the mask main body and the auxiliary material are joined facing each other and a second joint portion in which the ear hook portion and the auxiliary material are joined facing each other are formed.
  • the second joint reaches the outer edge of the ear hook in the left-right direction. Since the joining range between the ear hook and the auxiliary material extends to the outer edge of the ear hook, the part near the outer edge of the ear hook that is not joined to the auxiliary material floats away from the auxiliary material. Can be prevented. Therefore, it is possible to prevent the mask from becoming bulky during storage due to the portion near the outer edge of the ear hook being rolled up or bent.
  • the second joint portion is formed so as to straddle the outer end edge of the ear hook portion in the left-right direction.
  • the second joint portion is formed by fusing the ear hook portion and the auxiliary material.
  • the joining strength between the ear hook portion and the auxiliary material can be increased by joining by fusion.
  • the second joint portion includes a plurality of joint small portions formed apart from each other along the vertical direction orthogonal to the left-right direction.
  • the second joint portion since the joint portions between the ear hook portion and the auxiliary material in the second joint portion are dispersed, the second joint portion does not become excessively hard and flexibility can be ensured.
  • the ear hooks are separated from each other in the left-right direction to obtain the above-mentioned effect of preventing the ear hook portion from floating near the outer edge in the left-right direction.
  • the movement of the part becomes more free, and an excellent wearing feeling can be obtained.
  • the plurality of joint small portions are a first joint small portion that straddles the outer end edge in the left-right direction of the ear hook portion, and a second joint small portion that does not reach the outer end edge.
  • the first joint small portion and the second joint small portion are arranged along the vertical direction.
  • the first joint portion straddling the outer edge of the ear hook in the left-right direction prevents the portion near the outer edge of the ear hook from floating from the auxiliary material, while preventing the ear from floating from the auxiliary material.
  • the flexibility of the second joint can be improved by the second joint that does not reach the outer edge of the hanging portion in the left-right direction.
  • the pitch of the small joint portion is not reduced as a whole, but the pitch of the small joint portion is made narrower at the vertical end portion of the second joint portion. The strength can be increased effectively.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
PCT/JP2021/026113 2020-07-31 2021-07-12 マスク WO2022024732A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202180022979.0A CN115315204A (zh) 2020-07-31 2021-07-12 口罩
BR112022025324A BR112022025324A2 (pt) 2020-07-31 2021-07-12 Máscara
EP21850131.0A EP4190194A4 (en) 2020-07-31 2021-07-12 MASK

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-130070 2020-07-31
JP2020130070A JP7210512B2 (ja) 2020-07-31 2020-07-31 マスク

Publications (1)

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WO2022024732A1 true WO2022024732A1 (ja) 2022-02-03

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EP (1) EP4190194A4 (zh)
JP (1) JP7210512B2 (zh)
CN (1) CN115315204A (zh)
BR (1) BR112022025324A2 (zh)
WO (1) WO2022024732A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011167419A (ja) * 2010-02-19 2011-09-01 Unicharm Corp マスク
JP2013031469A (ja) * 2011-06-28 2013-02-14 Unicharm Corp マスク
JP2014030654A (ja) * 2012-08-06 2014-02-20 San-M Package Co Ltd マスク
JP2020037755A (ja) * 2018-09-05 2020-03-12 スズラン株式会社 マスク、およびマスクの製造方法
JP2020130070A (ja) 2019-02-21 2020-08-31 国立自然エネルギー株式会社 果実収穫装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200940122A (en) * 2008-03-21 2009-10-01 Kang Na Hsiung Entpr Co Ltd Mask with elastic non-woven fabric ear straps and method of making the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011167419A (ja) * 2010-02-19 2011-09-01 Unicharm Corp マスク
JP5436262B2 (ja) 2010-02-19 2014-03-05 ユニ・チャーム株式会社 マスク
JP2013031469A (ja) * 2011-06-28 2013-02-14 Unicharm Corp マスク
JP2014030654A (ja) * 2012-08-06 2014-02-20 San-M Package Co Ltd マスク
JP2020037755A (ja) * 2018-09-05 2020-03-12 スズラン株式会社 マスク、およびマスクの製造方法
JP2020130070A (ja) 2019-02-21 2020-08-31 国立自然エネルギー株式会社 果実収穫装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4190194A4

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EP4190194A4 (en) 2023-12-27
JP7210512B2 (ja) 2023-01-23
BR112022025324A2 (pt) 2023-01-24
CN115315204A (zh) 2022-11-08
JP2022026535A (ja) 2022-02-10
EP4190194A1 (en) 2023-06-07

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