JP2008136754A - Mask - Google Patents

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JP2008136754A
JP2008136754A JP2006327771A JP2006327771A JP2008136754A JP 2008136754 A JP2008136754 A JP 2008136754A JP 2006327771 A JP2006327771 A JP 2006327771A JP 2006327771 A JP2006327771 A JP 2006327771A JP 2008136754 A JP2008136754 A JP 2008136754A
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mask
wearer
mouth
vicinity
mask body
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Hiromutsu Hamaguchi
弘睦 浜口
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HAMAKOU URETHANE KK
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HAMAKOU URETHANE KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a mask capable of surely preventing the formation of a clearance by closely fitting to a wearer's mouth and its adjacency, requiring no trouble in wearing and having an improved wearing property. <P>SOLUTION: This mask comprises a mask body 1 allowing air penetration while covering the mask wearer's mouth and its adjacency, wherein the mask body 1 is formed of low-repulsive urethane foam to be closely stuck to the wearer's mouth and its adjacency, and is formed with ear hanging parts 2 hung to the wearer's ears for wearing the mask body on the wearer, at its both edges. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、装着者の口及びその近傍を覆うためのマスクに関するものである。   The present invention relates to a mask for covering a wearer's mouth and the vicinity thereof.

従来のマスクは、ガーゼや不織布から成るマスク本体で主に構成されるとともに、その左右縁部からゴム等から成る耳掛け部が延設され、これら左右の耳掛け部を耳に引掛けることにより当該マスク本体を装着者の口及びその近傍（装着者の鼻を含む）を覆うことが可能とされていた。また、マスク本体の内側に厚手のガーゼ等から成る別個のフィルタを介装させ、外部との遮蔽効果を高めるものも提案されていた。尚、かかる先行技術は、文献公知発明に係るものでないため、記載すべき先行技術文献情報はない。   Conventional masks are mainly composed of a mask body made of gauze or non-woven fabric, and ear hooks made of rubber or the like are extended from the left and right edges, and these left and right ear hooks are hooked on the ears. The mask body can cover the mouth of the wearer and the vicinity thereof (including the nose of the wearer). In addition, there has been proposed a method in which a separate filter made of thick gauze or the like is interposed inside the mask body to enhance the shielding effect from the outside. In addition, since this prior art does not relate to the literature known invention, there is no prior art document information to be described.

しかしながら、上記従来のマスクにおいては、別個介装したフィルタが装着者の口及びその近傍の輪郭にフィットさせるのが困難であるという問題があった。即ち、人の顔面は、３次元的に複雑な形状とされているため、装着者の口及びその近傍をマスクにて覆う際、内側のフィルタが顔面形状に追従せず、例えば頬とフィルタ或いは鼻とフィルタとの間に隙間が生じてしまうという問題があった。また、フィルタが装着者の口及びその近傍の形状になじまず、接触した部分及び離間した部分が生じていると、当該接触した部分の顔面に対する面圧が高くなり、装着感が悪化してしまうという問題もあった。   However, the conventional mask has a problem in that it is difficult to fit a separately interposed filter to the wearer's mouth and the contour in the vicinity thereof. That is, since the human face has a three-dimensionally complicated shape, when the wearer's mouth and the vicinity thereof are covered with a mask, the inner filter does not follow the face shape. There was a problem that a gap was generated between the nose and the filter. In addition, if the filter does not conform to the shape of the wearer's mouth and the vicinity thereof, and a contacted part and a separated part are generated, the contact pressure on the face of the contacted part increases and the feeling of wearing deteriorates. There was also a problem.

更に、従来のマスクにおいては、マスク本体と装着者との間に別個のフィルタを介装させる必要があるため、それぞれの装着が必要となって装着に手間がかかってしまうとともに、使用時に介在させたフィルタがずれてしまうことが多く、装着感があまりよくないという問題もあった。   Furthermore, in the conventional mask, since it is necessary to interpose a separate filter between the mask main body and the wearer, it is necessary to wear each of the masks, and it takes time and effort to interpose at the time of use. In addition, there is a problem that the filter is often displaced and the feeling of wearing is not so good.

本発明は、このような事情に鑑みてなされたもので、装着者の口及びその近傍にフィットして隙間が生じてしまうのを確実に回避することができるとともに、装着に手間がかからず且つ装着感を向上させることができるマスクを提供することにある。   The present invention has been made in view of such circumstances, and it is possible to reliably avoid the occurrence of a gap by fitting in the wearer's mouth and the vicinity thereof, and it is possible to eliminate the trouble of wearing. Another object of the present invention is to provide a mask that can improve the wearing feeling.

請求項１記載の発明は、装着者の口及びその近傍を覆いつつ空気を透過可能なマスク本体から成るマスクにおいて、前記マスク本体は、装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るとともに、当該マスク本体の両縁には装着者の耳に引掛けて当該マスク本体を装着者に装着させ得る耳掛け部が形成されたことを特徴とする。   The invention according to claim 1 is a mask comprising a mask main body capable of transmitting air while covering the mouth of the wearer and the vicinity thereof, and the mask main body is a low-resilience urethane that can be in close contact with the mouth of the wearer and the vicinity thereof. The mask body is characterized in that an ear hook portion is formed on both edges of the mask main body so that the mask main body can be hooked on the wearer's ear to allow the wearer to wear the mask main body.

請求項２記載の発明は、請求項１記載のマスクにおいて、前記耳掛け部は、装着者の耳の形状に倣って屈曲形成された樹脂成形品から成ることを特徴とする。   According to a second aspect of the present invention, in the mask according to the first aspect, the ear hooking portion is formed of a resin molded product that is bent to follow the shape of the wearer's ear.

請求項３記載の発明は、請求項１又は請求項２記載のマスクにおいて、前記マスク本体の上部には、内側に膨出した所定形状の膨出部が形成されていることを特徴とする。   According to a third aspect of the present invention, in the mask according to the first or second aspect, a bulging portion having a predetermined shape bulging inward is formed on an upper portion of the mask main body.

請求項４記載の発明は、請求項１〜請求項３の何れか１つに記載のマスクにおいて、前記マスク本体を構成する低反発のウレタンフォームには、竹炭が含有されたことを特徴とする。   According to a fourth aspect of the present invention, in the mask according to any one of the first to third aspects, the low-resilience urethane foam constituting the mask main body contains bamboo charcoal. .

請求項１の発明によれば、マスク本体が装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るので、装着者の口及びその近傍にフィットして隙間が生じてしまうのを確実に回避することができるとともに、装着者の口及びその近傍の形状になじんで略均一に密着することとなって装着感を向上させることができる。   According to the first aspect of the present invention, since the mask main body is made of low-resilience urethane foam that can be in close contact with the wearer's mouth and the vicinity thereof, a gap is generated by fitting to the wearer's mouth and the vicinity thereof. While being able to avoid reliably, it becomes familiar with the wearer's mouth and the shape in the vicinity thereof and adheres substantially uniformly so that the wearing feeling can be improved.

また、マスク本体が装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るので、当該マスク本体が従来のフィルタとしての機能を果たし、別個のフィルタ等を不要とすることができる。従って、マスクの装着に手間がかからない。更に、別個のフィルタ等を不要とすることから、使用時にフィルタ等がずれてしまうことがなく、装着感をより向上させることができる。   Further, since the mask body is made of low-resilience urethane foam that can be in close contact with the wearer's mouth and the vicinity thereof, the mask body functions as a conventional filter, and a separate filter or the like can be dispensed with. Therefore, it takes less time to wear the mask. Furthermore, since a separate filter or the like is not required, the filter or the like is not displaced during use, and the wearing feeling can be further improved.

請求項２の発明によれば、耳掛け部は、装着者の耳の形状に倣って屈曲形成された樹脂成形品から成るので、装着時の手間をより省くことができるとともに、マスク本体を装着者に確実に装着させることができる。   According to the invention of claim 2, since the ear hook is made of a resin molded product that is bent in accordance with the shape of the wearer's ear, it is possible to save time and effort during wearing, and to attach the mask body. Can be securely attached to the person.

請求項３の発明によれば、マスク本体の上部には、内側に膨出した所定形状の膨出部が形成されているので、かかる膨出部で装着者の鼻の上部を覆わせることができ、鼻とフィルタとの間に隙間が生じてしまうのをより確実に回避することができる。   According to the invention of claim 3, since the bulging portion having a predetermined shape bulging inward is formed on the upper portion of the mask body, the bulging portion can cover the upper portion of the wearer's nose. It is possible to more reliably avoid the occurrence of a gap between the nose and the filter.

請求項４の発明によれば、低反発のウレタンフォームには、竹炭が含有されたので、竹炭による消臭、抗菌効果或いは防カビ効果等を奏することができる。   According to the invention of claim 4, since the low-resilience urethane foam contains bamboo charcoal, the deodorizing effect, antibacterial effect or antifungal effect by bamboo charcoal can be exhibited.

以下、本発明の実施形態について図面を参照しながら具体的に説明する。
本実施形態に係るマスクは、医療用や防塵用等種々用途に使用されるもので、図１に示すように、装着者の口及びその近傍を覆いつつ空気を透過可能なマスク本体１と、装着者の耳に引掛けてマスク本体１を装着者に装着させ得る耳掛け部２とから主に構成されている。 Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
The mask according to the present embodiment is used for various purposes such as medical use and dustproof use, and as shown in FIG. 1, a mask main body 1 capable of transmitting air while covering the mouth of the wearer and the vicinity thereof, It is mainly composed of an ear hook portion 2 that can be hooked on the wearer's ear to allow the wearer to wear the mask body 1.

マスク本体１は、装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るとともに、その両縁（左右縁部）に左右一対の耳掛け２が取り付けられたものである。ここで、マスク本体１は、低反発のウレタンフォームから成るものであり、図３に示すように、装着時に装着者の口及びその近傍と密着しつつ覆う寸法及び形状とされている。尚、「低反発のウレタンフォーム」とは、荷重が付与されて変形し後、その荷重を解いても当該変形がしばらくの間維持されるものをいう。   The mask body 1 is made of a low-resilience urethane foam that can be in close contact with the wearer's mouth and the vicinity thereof, and a pair of left and right ear hooks 2 are attached to both edges (left and right edges). Here, the mask main body 1 is made of low-resilience urethane foam, and has a size and a shape that cover the mouth of the wearer and the vicinity thereof while wearing, as shown in FIG. Note that “low-resilience urethane foam” refers to a material that is deformed after being applied with a load, and that the deformation is maintained for a while even after the load is released.

また、この低反発のウレタンフォームには、竹炭が含有されており、かかる竹炭による消臭効果、抗菌効果及び防カビ効果を奏し得るようになっている。含有する竹炭からは、マイナスイオンや遠赤外線が放出されることが知られており、これらにより、血行を良好とし疲労を回復することができるとともに、リラクゼーション効果や疲労回復効果を装着者に付与することができる。   In addition, this low-resilience urethane foam contains bamboo charcoal, and can exhibit the deodorizing effect, antibacterial effect and antifungal effect of the bamboo charcoal. It is known that the contained bamboo charcoal emits negative ions and far-infrared rays, which can improve blood circulation and recover from fatigue, as well as impart relaxation and fatigue recovery effects to the wearer. be able to.

然るに、このようなマスク本体１は、例えば、ウレタンの原料に、粉末状の竹炭を所定量添加した後、成型し、図１の如き形状に加工して得ることができ、その低反発性故、マスク装着時に装着者の口及びその近傍の形状に沿って変形し、その変形が所定時間維持されるよう構成されている。すなわち、マスク装着時には、マスク本体１が直接、装着者の口及びその近傍に押圧されるのであるが、当接押圧によりマスク本体１が装着者の顔面形状に倣って変形し、且つ、その変形が所定時間維持されるのである。   However, such a mask main body 1 can be obtained by, for example, adding a predetermined amount of powdered bamboo charcoal to a raw material of urethane, molding and processing into a shape as shown in FIG. When the mask is worn, it is deformed along the shape of the wearer's mouth and the vicinity thereof, and the deformation is maintained for a predetermined time. That is, when the mask is worn, the mask main body 1 is directly pressed against the mouth of the wearer and the vicinity thereof, but the mask main body 1 is deformed according to the face shape of the wearer by the contact pressure, and the deformation. Is maintained for a predetermined time.

従って、本実施形態によれば、上記の如くマスク本体１が低反発のウレタンフォームから成るので、装着者の口及びその近傍にフィットして隙間が生じてしまうのを確実に回避することができるとともに、装着者の口及びその近傍の形状になじんで略均一に接触することとなって装着感を向上させることができる。また、低反発のウレタンフォームは、材質の目が細かいことから、花粉など微細な浮遊物がフィルタを通過してしまうのを確実に回避することができ、花粉対策にも好適である。更に、ウレタンから成る本マスクは、水洗いが可能であり、何回でも洗って使用することができる。   Therefore, according to this embodiment, since the mask main body 1 is made of low-resilience urethane foam as described above, it is possible to reliably avoid the occurrence of a gap by fitting to the wearer's mouth and the vicinity thereof. At the same time, familiarity with the shape of the wearer's mouth and the vicinity of the wearer makes contact almost uniformly, thereby improving the wearing feeling. In addition, since the low-resilience urethane foam has a fine material, it can surely prevent fine suspended matters such as pollen from passing through the filter, and is also suitable for measures against pollen. Further, the present mask made of urethane can be washed with water, and can be used after being washed any number of times.

耳掛け部２は、装着者の耳の形状に倣って屈曲形成された樹脂成形品から成るものであり、マスク本体１の両縁１ａ、１ａを内側に巻くことにより形成された被取付部１ｂに挿通されてマスク本体１の左右の縁１ａ、１ａそれぞれに固定されたものである。尚、被取付部１ｂは、マスク本体１の縁１ａ、１ａをそれぞれ内側に巻き、巻かれた端部を熱溶着等にて固定することにより形成されたものであるのが好ましい。   The ear hook 2 is made of a resin molded product that is bent in accordance with the shape of the wearer's ear, and the attached portion 1b formed by winding both edges 1a, 1a of the mask body 1 inward. And fixed to the left and right edges 1a and 1a of the mask main body 1, respectively. In addition, it is preferable that the to-be-attached part 1b is formed by winding the edge 1a, 1a of the mask main body 1 inside, respectively, and fixing the wound edge part by heat welding etc.

また、耳掛け部２は、図２に示すように、取付部２ａと、屈曲部２ｂとを具備したチューブ状樹脂部材とから成るとともに、その内部には針金など線状金属等から成る芯部材３を有している。即ち、耳掛け部２の形状が芯部材３により維持され、直線形状の取付部２ａ及び屈曲形状の屈曲部２ｂの双方の形状維持が図られているのである。かかる耳掛け部２に代えて、内部に芯部材３を有さない成形品（樹脂成形品等）としてもよい。   Further, as shown in FIG. 2, the ear hooking portion 2 is composed of a tubular resin member having a mounting portion 2a and a bent portion 2b, and a core member made of a wire metal such as a wire inside thereof. 3. That is, the shape of the ear hook 2 is maintained by the core member 3, and the shape of both the linear attachment portion 2a and the bent portion 2b is maintained. Instead of the ear hook 2, a molded product (resin molded product or the like) that does not have the core member 3 inside may be used.

更に、芯部材３の基端（マスク本体１との取付け部位側）は、矢印状に折り返し形成されて抜け止め部３ａが形成されている。これにより、被取付部１ｂに挿通された耳掛け部２が抜けて脱落してしまうのを回避することができる。尚、抜け止め部３ａは、矢印状に折り返し形成されたものに代え、左右何れか一方のみに折り返し形成されたもの等であってもよい。   Furthermore, the base end of the core member 3 (on the side where the mask body 1 is attached) is folded back in the shape of an arrow to form a retaining portion 3a. Thereby, it can avoid that the ear hook part 2 inserted in the to-be-attached part 1b falls out and falls off. The retaining portion 3a may be one that is folded back only on either the left or right side instead of the one that is folded back in the shape of an arrow.

上記の如き耳掛け部２における屈曲部２ｂを装着者の耳の上部から引掛ければ、図３で示すように、眼鏡の如くマスクを装着することが可能であり、装着時の手間をより省くことができるとともに、マスク本体１を装着者に確実に装着させることができる。また、耳掛け部２（特に装着者の耳に当てがわれる部分）が樹脂成形品から成るので、より良好な装着感を得ることができる。   If the bent portion 2b of the ear hook 2 as described above is hooked from the upper part of the wearer's ear, it is possible to wear a mask like glasses as shown in FIG. In addition, the mask main body 1 can be securely attached to the wearer. In addition, since the ear hooking portion 2 (particularly the portion applied to the wearer's ear) is made of a resin molded product, a better wearing feeling can be obtained.

更に、本実施形態によれば、低反発のウレタンフォームから成るマスク本体１が直接、装着者の口及びその近傍に密着して覆うので、マスク本体１が従来のフィルタとしての機能を果たし、別個のフィルタ等を不要とすることができる。従って、マスクの装着に手間がかからない。更に、別個のフィルタ等を不要とすることから、使用時にフィルタ等がずれてしまうことがなく、装着感をより向上させることができる。   Furthermore, according to the present embodiment, the mask body 1 made of low-resilience urethane foam directly covers and closely covers the wearer's mouth and the vicinity thereof, so that the mask body 1 functions as a conventional filter and is separately provided. The filter or the like can be eliminated. Therefore, it takes less time to wear the mask. Furthermore, since a separate filter or the like is not required, the filter or the like is not displaced during use, and the wearing feeling can be further improved.

また、マスク本体１が装着者の口及び鼻の両者を覆うため、装着者の頬及び鼻との間に隙間が生じてしまうのを確実に回避することができ、呼吸の際に浮遊物等の異物が人体に進入するのを確実に回避することができる。尚、図４に示すように、上部において内側に膨出した所定形状の膨出部１’ａ、１’ａを形成したマスク本体１’とするようにしてもよい。この場合、膨出部１’ａ、１’ａで装着者の鼻の上部を覆わせることができ、鼻とマスク本体１’との間に隙間が生じてしまうのをより確実に回避することができる。しかして、吐いた息で眼鏡等が曇ってしまうのを防止することができる。   In addition, since the mask body 1 covers both the mouth and nose of the wearer, it is possible to reliably avoid a gap between the cheek and nose of the wearer. It is possible to reliably avoid the foreign matter entering the human body. As shown in FIG. 4, a mask main body 1 'having bulged portions 1'a and 1'a having a predetermined shape bulged inward at the upper portion may be used. In this case, the upper portion of the wearer's nose can be covered with the bulging portions 1′a and 1′a, and the occurrence of a gap between the nose and the mask body 1 ′ can be more reliably avoided. Can do. Therefore, it is possible to prevent the glasses and the like from being clouded by the exhaled breath.

以上、本実施形態について説明したが、本発明はこれに限定されるものではなく、例えば耳掛け部を他の部材から成るものに代えたり、或いはマスク本体１と一体なものとしてもよい。また、マスク本体１は、低反発のウレタンフォームから成るものであれば、例えばトルマリン等竹炭とは異なる他の材料を含有させてもよい。尚、本発明に係るマスクは、手術用、防塵作業用、風邪の予防、農作業用（農薬散布や日焼け防止等）或いは花粉対策等の何れの用途に用いるものであってもよい。   Although the present embodiment has been described above, the present invention is not limited to this. For example, the ear hooking portion may be replaced with another member, or may be integrated with the mask body 1. Moreover, as long as the mask main body 1 consists of a low-resilience urethane foam, you may contain other materials different from bamboo charcoal, such as tourmaline, for example. The mask according to the present invention may be used for any purpose such as surgery, dustproof work, cold prevention, agricultural work (agricultural chemical spraying, sunburn prevention, etc.) or pollen countermeasures.

装着者の口及びその近傍を覆いつつ空気を透過可能なマスク本体から成るマスクであって、マスク本体が、装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るとともに、当該マスク本体の両縁には装着者の耳に引掛けて当該マスク本体を装着者に装着させ得る耳掛け部が形成されたものであれば、外観形状が異なるもの或いは他の機能が付加されたもの等にも適用することができる。   A mask comprising a mask body that is permeable to air while covering the wearer's mouth and the vicinity thereof, wherein the mask body is made of low-resilience urethane foam that can be in close contact with the wearer's mouth and the vicinity thereof. As long as the ear hooks are formed on both edges of the body so that the mask body can be worn by the wearer by hooking it to the ears of the wearer, those with different external shapes or other functions added The present invention can also be applied.

本発明の実施形態に係るマスクを示す全体斜視図The whole perspective view showing the mask concerning the embodiment of the present invention. 同マスクにおける耳掛け部を示す拡大模式図Magnified schematic diagram showing the ear hooking part in the same mask 同マスクを装着者が装着した状態を示す模式図Schematic showing the wearer wearing the same mask 本発明の他の実施形態に係るマスクを裏面側から見た状態を示す斜視図The perspective view which shows the state which looked at the mask which concerns on other embodiment of this invention from the back surface side.

符号の説明Explanation of symbols

１ マスク本体
２ 耳掛け部
３ 芯部材
１’ 膨出部 DESCRIPTION OF SYMBOLS 1 Mask main body 2 Ear hook part 3 Core member 1 'Protruding part

Claims (4)

装着者の口及びその近傍を覆いつつ空気を透過可能なマスク本体から成るマスクにおいて、
前記マスク本体は、装着者の口及びその近傍と密着し得る低反発のウレタンフォームから成るとともに、当該マスク本体の両縁には装着者の耳に引掛けて当該マスク本体を装着者に装着させ得る耳掛け部が形成されたことを特徴とするマスク。 In a mask comprising a mask body that is permeable to air while covering the mouth of the wearer and the vicinity thereof,
The mask body is made of low-resilience urethane foam that can be in close contact with the wearer's mouth and the vicinity thereof, and the mask body is attached to the wearer's ears on both edges of the mask body so that the wearer can wear the mask body. A mask characterized in that an ear hook portion to be obtained is formed. 前記耳掛け部は、装着者の耳の形状に倣って屈曲形成された樹脂成形品から成ることを特徴とする請求項１記載のマスク。   The mask according to claim 1, wherein the ear hook is made of a resin molded product that is bent in accordance with the shape of the wearer's ear. 前記マスク本体の上部には、内側に膨出した所定形状の膨出部が形成されていることを特徴とする請求項１又は請求項２記載のマスク。   The mask according to claim 1, wherein a bulge portion having a predetermined shape bulging inward is formed at an upper portion of the mask main body. 前記マスク本体を構成する低反発のウレタンフォームには、竹炭が含有されたことを特徴とする請求項１〜請求項３の何れか１つに記載のマスク。   The mask according to any one of claims 1 to 3, wherein the low-rebound urethane foam constituting the mask body contains bamboo charcoal.
JP2006327771A 2006-12-05 2006-12-05 Mask Pending JP2008136754A (en)

Priority Applications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013048898A (en) * 2011-07-31 2013-03-14 Kazuko Kobayashi Cushion pad for mask
JP2015003275A (en) * 2014-10-09 2015-01-08 株式会社イノアックコーポレーション Mask
JP2022012531A (en) * 2020-07-01 2022-01-17 浜口ウレタン株式会社 mask

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5971654U (en) * 1982-10-12 1984-05-15 日昭産業株式会社 mask
JPS62130655U (en) * 1986-02-12 1987-08-18
JPH01101558U (en) * 1987-12-28 1989-07-07
JPH0376206A (en) * 1989-08-18 1991-04-02 Omron Corp Solenoid type coil
JPH03100929A (en) * 1989-09-13 1991-04-25 Sony Corp Optical tape recording and reproducing device
JPH03112218A (en) * 1989-09-26 1991-05-13 Matsushita Electric Works Ltd Non-contact switch
JP2003290369A (en) * 2002-04-01 2003-10-14 Hisao Shimizu Mask
JP2004065683A (en) * 2002-08-07 2004-03-04 Isuzu Sangyo Kk Mask

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5971654U (en) * 1982-10-12 1984-05-15 日昭産業株式会社 mask
JPS62130655U (en) * 1986-02-12 1987-08-18
JPH01101558U (en) * 1987-12-28 1989-07-07
JPH0376206A (en) * 1989-08-18 1991-04-02 Omron Corp Solenoid type coil
JPH03100929A (en) * 1989-09-13 1991-04-25 Sony Corp Optical tape recording and reproducing device
JPH03112218A (en) * 1989-09-26 1991-05-13 Matsushita Electric Works Ltd Non-contact switch
JP2003290369A (en) * 2002-04-01 2003-10-14 Hisao Shimizu Mask
JP2004065683A (en) * 2002-08-07 2004-03-04 Isuzu Sangyo Kk Mask

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013048898A (en) * 2011-07-31 2013-03-14 Kazuko Kobayashi Cushion pad for mask
JP2015003275A (en) * 2014-10-09 2015-01-08 株式会社イノアックコーポレーション Mask
JP2022012531A (en) * 2020-07-01 2022-01-17 浜口ウレタン株式会社 mask

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