WO2022215779A1 - 결착부를 포함하는 마스크 필터 - Google Patents
결착부를 포함하는 마스크 필터 Download PDFInfo
- Publication number
- WO2022215779A1 WO2022215779A1 PCT/KR2021/004537 KR2021004537W WO2022215779A1 WO 2022215779 A1 WO2022215779 A1 WO 2022215779A1 KR 2021004537 W KR2021004537 W KR 2021004537W WO 2022215779 A1 WO2022215779 A1 WO 2022215779A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- filter body
- mask
- outer periphery
- binding
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009958 sewing Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 2
- 210000001331 nose Anatomy 0.000 description 9
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 208000001528 Coronaviridae Infections Diseases 0.000 description 1
- 101000603420 Homo sapiens Nuclear pore complex-interacting protein family member A1 Proteins 0.000 description 1
- 102100038845 Nuclear pore complex-interacting protein family member A1 Human genes 0.000 description 1
- 208000019202 Orthocoronavirinae infectious disease Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000000537 nasal bone Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
-
- 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
Definitions
- the present invention relates to a mask filter including a binding part. Specifically, it relates to a mask filter in which a detachable binding part is added to a part of the mask filter.
- Masks have been of limited use as disease-related products. It was used as an auxiliary means to not spread one's disease to others or to prevent infection from others. Although the number of people wearing masks has increased due to the effects of yellow dust and fine dust, this is also to prevent diseases.
- Masks are divided into grades and uses according to the leak rate.
- the leak rate of masks used in Korea is measured according to the leak rate test method described in Guide-0349-04 of the "Guidelines for Standard Specifications for Health Masks (Civil Person's Guide)" by the Food and Drug Administration.
- the actual leak rate may vary depending on the size of the user's face and the length of the strap fixed to the ear.
- the inventor of the present invention compared the leakage rate when the length including the mask string was adjusted to 120% of the face length when the mask string length was not adjusted using a mask made for adults. In the latter case, the leakage rate decreased from 25% to 83% as compared to the former case. That is, the mask can reduce the leakage rate only by adjusting the length of the string, and it can be seen that the original purpose of wearing the mask can be achieved through this.
- the face length referred to here is the length of the face measured using Morpheus and refers to the distance from the user's left ear to the bottom of the nose and from the bottom of the nose to the right ear.
- the leakage rate can be increased by adjusting the length of the mask string, but the size of the mask designed according to the curvature of the face, precisely the size of the mask filter, also affects the leakage rate.
- the size of the face is different for men and women of all ages, it is practically impossible to provide a customized mask filter for all users.
- masks provided on the market are provided with only a few mask filters having a predetermined size or a mask filter with many curves added.
- the present invention is intended to solve the problems of the prior art, and an object of the present invention is to provide a mask filter that can be adjusted in size by a user who can respond to face sizes according to men and women of all ages.
- Non-limiting examples of the mask may be a double-folding mask, a folding mask, a cup-type mask, and a droplet mask.
- the mask filter referred to throughout the specification of the present invention generally corresponds to the mask body excluding the string part, and the present invention refers to the part as a mask filter or filter.
- the present invention provides a filter body disposed on the front of the user's face; It is fixed along at least a portion of the upper outer periphery of the filter body, or is fixed downwardly spaced apart from at least a portion of the upper outer periphery of the filter body, or the upper portion of the filter body is bent to at least a portion of the user's nose and the skin around it filter top surface covering; It is fixed along at least a portion of the lower outer periphery of the filter body, or is fixed upwardly spaced apart from at least a portion of the lower outer periphery of the filter body, or the lower surface of the filter body is bent to at least a portion of the user's chin and the skin around it In the mask filter comprising;
- At least one first binding portion additionally coupled to the filter body is provided on both sides of at least one of the filter upper surface and the filter lower surface, respectively, and the first binding portion provides a mask filter having a detachable coupling type.
- the present invention also provides a filter body disposed in front of the user's face; It is fixed along at least a portion of the upper outer periphery of the filter body, or is fixed downwardly spaced apart from at least a portion of the upper outer periphery of the filter body, or the upper portion of the filter body is bent to at least a portion of the user's nose and the skin around it filter top surface covering; It is fixed along at least a portion of the lower outer periphery of the filter body, or is fixed upwardly spaced apart from at least a portion of the lower outer periphery of the filter body, or the lower surface of the filter body is bent to at least a portion of the user's chin and the skin around it In the mask filter comprising;
- One or more second binding parts additionally coupled to the filter body are provided in the center of at least one of the filter top surface and the filter bottom surface, and the second binding part provides a mask filter having a detachable coupling type.
- the present invention also provides a mask filter disposed on the front side of the user's face and including a filter body with a central portion folded, wherein the filter body includes a symmetrical body left and right side portions overlapping and one end of the mask filter is fused to each other.
- a mask filter in which a third binding part of a coupling type capable of being additionally detached is added to at least one of an upper part and a lower part of the filter body among the peripheral parts of the joint part.
- the third binding part may be coupled to the main body seat part and the main body right part separately from the junction part, or to be coupled while overlapping the upper part or the lower part of the filter body.
- the present invention also provides a mask filter disposed on the front of the user's face and including a filter body having a horizontally folded portion added, wherein at least one of the upper left, lower left, upper right, and lower right of the filter body has the filter
- One or more fourth binding parts capable of being coupled to each other are provided, and the fourth binding part provides a mask filter of a detachable coupling type.
- the degree of separation between the filter upper surface and the filter lower surface from the filter body varies, and accordingly, it is possible to respond to various face sizes.
- the actual size of the filter body varies depending on whether the third binding part and the fourth binding part are coupled according to the present invention, and accordingly, it is possible to respond to various face sizes.
- the first to fourth binding portions can be detached by the user, and the user can use it according to his or her face by detaching a desired portion of the first to fourth binding portions according to the size of the user's face.
- Non-limiting examples of the detachable bonding form include fusion, Velcro, snap button, fitting, clip, magnetic force, sewing, button, coupler, tongs, adhesive with a peel strength of 90 degrees SUS standard of 500 (g/25 mm) or less.
- adhesion and may be at least one or more of the group comprising an elastic bond.
- the first binding part of the filter upper surface and the second binding part of the filter lower surface may be disposed along the outer periphery of the filter upper surface and the outer periphery of the filter lower surface, respectively.
- the third and fourth binding parts may also be disposed along the outer periphery of the filter body.
- Wrinkles may be formed around the first to fourth binding parts, respectively.
- the present invention provides only one mask filter having a binding part and can provide a mask filter having an excellent leak rate and wearability since it can respond to the user's individual face by adjusting whether the binding part is detached or not.
- the process of adding the binding portion can be applied by modifying only a portion while applying the conventional process as it is, so it is easy and economical to add the configuration.
- the mask filter of various sizes is not provided for the size and shape of the user's face, the possibility of surplus products is low due to the production of small items. This is a more effective use of resource utilization and is also highly desirable from an environmental point of view in that it can reduce the rapidly increasing waste of mask filters.
- FIG. 1 is a perspective view of a conventional double-folding mask.
- FIG. 2 is an illustration of a first binding part according to the present invention.
- FIG 3 is an illustration of a second fastening part according to the present invention.
- FIG. 4 is a perspective view of a conventional folding mask.
- FIG. 5 is an illustration of a third binding part according to the present invention.
- FIG. 6 is a perspective view of a conventional droplet mask.
- FIG. 7 is an illustration of a fourth binding part according to the present invention.
- FIG. 1 is a perspective view of a conventional double folding mask
- FIG. 2 is an example of a first binding part according to the present invention
- FIG. 3 is an illustration of a second binding part according to the present invention.
- the double-folding mask (100, 200) is a filter body (110, 210) disposed on the front of the user's face; It is fixed along at least a portion of the upper outer periphery of the filter body 110, 210, or fixedly spaced downward from at least a portion of the upper outer periphery of the filter body 110, 210, or the filter body 110, 210
- the upper portion of the filter is bent to cover at least a portion of the user's nose and the surrounding skin of the filter upper surface (120, 220); It is fixed along at least a portion of the lower outer periphery of the filter body 110, 210, or is fixed upwardly spaced apart from at least a portion of the lower outer periphery of the filter body 110, 210, or the filter body 110, 210
- the lower surface of the filter is bent to cover at least a portion of the user's chin and the surrounding skin (130, 230); includes.
- Nose fixing parts 125 and 225 may be additionally added to the filter upper surfaces 120 and 220 to increase the fixing force with the nose.
- strings 140 and 240 are added to constitute the mask we use, the double folding mask 100 and 200 .
- the filter bodies 110 and 210 are combined after stacking a plurality of porous substrates in several layers.
- the junction portions 111 and 211 of the filter bodies 110 and 210 are portions where a plurality of these porous substrates are combined.
- the filter upper surfaces 120 and 220 and the filter lower surfaces 130 and 230 are also manufactured in a similar process to form the same joint along the outer periphery.
- the filter body (110, 210) is also for coupling with the string (140, 240), a string joint (114, 214) is added.
- At least one of the filter upper surface 220 and the filter lower surface 230 is formed on both sides of at least one agent further coupled to the filter body 210, respectively.
- a first binding part (A-A', B-B', C-C', D-D') is provided, and the first binding part (A-A', B-B', C-C', D) is provided.
- -D') provides a mask filter in a detachable combined form.
- At least one second binding additionally coupled to the filter body 210 is located in the center of at least one of the filter upper surface 220 and the filter lower surface 230 .
- the parts E-E' and F-F' are provided, and the second binding parts E-E' and F-F' provide a mask filter of a detachable coupling type.
- the present invention provides a first binding in which at least one of the corresponding positions of A-A', B-B', C-C', and D-D' is combined in addition to the fused portion when manufacturing a conventional double-folding mask filter
- a second binding part to which at least one of the corresponding positions of each of the parts or E-E' and F-F' is added is added.
- the filter body 210 is disposed around the user's mouth, the filter upper surface 220 is disposed around the user's nose, and the filter lower surface 230 is disposed around the user's chin.
- first binding portions A-A', B-B', C-C', D-D' are fixed to the filter body 210 on both sides of the filter upper surface 220 and the filter lower surface 230 .
- corresponding coupling portions are provided, and the first coupling portions (A-A′, B-B′, C-C′, D-D′ corresponding coupling portions respectively) may have a detachable coupling type.
- At least one second coupling part (E-E', F-F' corresponding coupling part) fixed to the filter body 210 is provided in the center of the filter upper surface 220 and the filter lower surface 230, and the The second binding portions E-E' and F-F' may be in a detachable form.
- the detachable coupling form should be such that the filter body 210, the filter upper surface 220, and the filter lower surface 230 can be detached without damage.
- the peel strength for one bond is less than 500 (g/25 mm) based on 90 degrees SUS.
- Another detachable coupling form may be at least one of a group including Velcro, snap button, fitting, clip, magnetic force, sewing, button, coupler, tongs, adhesive, adhesive, and elastic coupling.
- a range in which the filter upper surface can be disposed may be at the tip-defining points or at the lower end of the nasal bone.
- a method in which the third binding part and the fourth binding part are coupled may be the same as those of the first binding part and the second binding part.
- binding sites in FIG. 2 or 3 are indicated by A-A', B-B', C-C', D-D', E-E', and F-F', respectively.
- a plurality of points A, B, C, D, E, and F are indicated, and at least one of them may be a binding site.
- the binding sites of A, B, C, D, E, and F bind to the corresponding A', B', C', D', E', and F', respectively.
- A-A', B-B', C-C', D-D', E-E', or F-F' bind, they may bind to sites other than symmetrical positions.
- A, B, C, and D are examples of the first binding part
- E and F are examples of the second binding part.
- A, B, C, D, E, and F can be manufactured in a state in which all of them are initially bound. Afterwards, the user can attach and detach the fixed part to fit his or her face to fit the face.
- first binding part and/or the second binding part according to the present invention are coupled or not, the degree of separation between the filter upper surface and the filter lower surface from the filter body varies, and accordingly, it is possible to respond to various face sizes.
- the first binding part and/or the second binding part can be detached by the user, and the user can attach and detach the desired part of the first binding part and/or the second binding part according to the size of the user's face to fit the user's face. Can be used. This is equally applied to the following third and fourth binding parts.
- the strength of the adhesion is strong, so that when detaching the filter upper surface 220 or the filter lower surface 230, There is no problem even if some parts are damaged.
- the damaged filter upper surface 220 or the filter lower surface 230 is the outermost portion, it is possible to achieve close contact with the user's face by the remaining portions.
- the outer periphery of the filter upper surface 220 and the filter lower surface 230 among the examples of A-A', B-B', C-C', D-D', E-E', and F-F' Correspondingly, the coupling portion arranged accordingly.
- Separate pleats may be formed in advance on the filter upper surface 220 , the filter lower surface 230 , or the filter body 210 , 410 , and 610 corresponding to the positions of the first to fourth binding parts.
- the wrinkle may be in the form of a curve along the facial contour, in particular the chin contour, rather than a straight line.
- Figure 4 is a perspective view of a conventional folding mask
- Figure 5 is an example of a third binding part according to the present invention.
- the foldable masks 300 and 400 are disposed on the front of the user's face and in the mask filter including the filter bodies 310 and 410 in which the center is folded, the filter bodies 310 and 410 are After the symmetrical main body left parts 314 and 414 and the main body right part 316 are overlapped, one end includes joint portions 311 and 411 that are fusion-bonded to each other.
- third binding parts (G, H) in the form of an additional detachable coupling type are added to at least one of the upper part and the lower part of the filter body 410 among the peripheral parts of the joint part 411 .
- the third binding part (G, H) is coupled to the main body seat part 414 and the main body right part separately from the junction part 411, or the upper part or the lower part of the filter body 410 overlaps and is combined. .
- FIG. 6 is a perspective view of a conventional droplet mask
- FIG. 7 is an example of a fourth binder according to the present invention.
- the droplet masks 500 and 600 are mask filters that are disposed on the front of the user's face and include filter bodies 510 and 610 with horizontally folded portions.
- At least one of the upper left, lower left, upper right, and lower right of the filter body 610 is provided with one or more fourth binding portions (I, J) capable of coupling the filter bodies to each other. And, the fourth binding portions (I, J) provide a mask filter of a detachable combined form.
- the I is one or more binding to each other in I
- the J is one or more binding to each other in J.
- A-A', B-B', C-C', D-D' first binding part
- the present invention relates to a mask filter in which a detachable binding part is added to a part of the mask filter, it can be industrially used.
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- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
Claims (7)
- 사용자 안면의 전면에 배치되는 필터본체;상기 필터본체의 상부 외주변의 적어도 일부를 따라 고정되거나, 상기 필터본체의 상부 외주변의 적어도 일부에서 하향 이격되어 고정되거나, 상기 필터본체의 상부가 절곡되어 상기 사용자 코의 적어도 일부 및 그 주변부 피부를 덮는 필터상면;상기 필터본체의 하부 외주변의 적어도 일부를 따라 고정되거나, 상기 필터본체의 하부 외주변의 적어도 일부에서 상향 이격되어 고정되거나, 상기 필터본체의 하면이 절곡되어 상기 사용자 턱의 적어도 일부 및 그 주변부 피부를 덮는 필터하면;을 포함하는 마스크 필터에 있어서,상기 필터상면 및 상기 필터하면 중 적어도 하나의 양측부에는 각각 상기 필터본체와 추가로 결합되는 1개 이상의 제1결착부가 마련되며, 상기 제1결착부는 탈착이 가능한 결합 형태인 마스크 필터.
- 사용자 안면의 전면에 배치되는 필터본체;상기 필터본체의 상부 외주변의 적어도 일부를 따라 고정되거나, 상기 필터본체의 상부 외주변의 적어도 일부에서 하향 이격되어 고정되거나, 상기 필터본체의 상부가 절곡되어 상기 사용자 코의 적어도 일부 및 그 주변부 피부를 덮는 필터상면;상기 필터본체의 하부 외주변의 적어도 일부를 따라 고정되거나, 상기 필터본체의 하부 외주변의 적어도 일부에서 상향 이격되어 고정되거나, 상기 필터본체의 하면이 절곡되어 상기 사용자 턱의 적어도 일부 및 그 주변부 피부를 덮는 필터하면;을 포함하는 마스크 필터에 있어서,상기 필터상면 및 상기 필터하면 중 적어도 하나의 중앙부에는 상기 필터본체와 추가로 결합되는 1개 이상의 제2결착부가 마련되며, 상기 제2결착부는 탈착이 가능한 결합 형태인 마스크 필터.
- 사용자 안면의 전면에 배치되며 중앙부가 접히는 필터본체를 포함하는 마스크 필터에 있어서,상기 필터본체는 대칭인 본체좌부 및 본체우부가 겹쳐진 후 일측 단부가 상호 융착결합된 접합부를 포함하고,상기 접합부의 주변부 중 상기 필터본체의 상부 및 하부 중 적어도 하나에 추가의 탈착이 가능한 결합 형태의 제3결착부가 부가된 마스크 필터.
- 사용자 안면의 전면에 배치되며 수평 방향으로 접히는 부분이 부가된 필터본체를 포함하는 마스크 필터에 있어서,상기 필터본체의 좌측 상단, 좌측 하단, 우측 상단, 우측 하단 중 적어도 하나에는 상기 필터본체끼리 결합할 수 있는 1개 이상의 제4결착부가 마련되며, 상기 제4결착부는 탈착이 가능한 결합 형태인 마스크 필터.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 탈착이 가능한 결합 형태는 박리강도 90도 SUS 기준 500(g/25㎜)이하의 융착, 벨크로, 스냅 단추, 끼움, 클립, 자력, 재봉, 단추, 커플러, 집게, 접착, 점착, 탄성결합을 포함하는 그룹 중 적어도 하나 이상인 마스크 필터.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 제1결착부 내지 상기 제4결착부는 상기 필터상면의 외주변, 상기 필터하면의 외주변, 상기 필터본체의 외주변 중 적어도 하나에 접하게 배치되는 마스크 필터.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 제1결착부 내지 상기 제4결착부의 주변에는 각각 주름이 형성된 마스크 필터.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180096570.3A CN117083108A (zh) | 2021-04-07 | 2021-04-09 | 包括紧固部的口罩过滤器 |
JP2023558605A JP2024510814A (ja) | 2021-04-07 | 2021-04-09 | 結着部を含むマスクフィルター |
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KR10-2021-0045430 | 2021-04-07 | ||
KR1020210045430A KR102385370B1 (ko) | 2021-04-07 | 2021-04-07 | 결착부를 포함하는 마스크 필터 |
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WO2022215779A1 true WO2022215779A1 (ko) | 2022-10-13 |
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PCT/KR2021/004537 WO2022215779A1 (ko) | 2021-04-07 | 2021-04-09 | 결착부를 포함하는 마스크 필터 |
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JP (1) | JP2024510814A (ko) |
KR (2) | KR102385370B1 (ko) |
CN (1) | CN117083108A (ko) |
WO (1) | WO2022215779A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005081152A (ja) * | 2003-09-09 | 2005-03-31 | Lee Yong Chuol | 使い捨て防塵マスク |
KR101355247B1 (ko) * | 2013-04-11 | 2014-01-27 | 김현정 | 코 마스크 |
JP2014200459A (ja) * | 2013-04-04 | 2014-10-27 | 株式会社リブドゥコーポレーション | マスク |
KR20180061736A (ko) * | 2016-11-30 | 2018-06-08 | 주식회사 유니에어 | 조임 기능이 부가된 사각마스크 |
JP2020192310A (ja) * | 2019-05-24 | 2020-12-03 | 花王株式会社 | 蒸気発生具 |
Family Cites Families (2)
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---|---|---|---|---|
JP2006305284A (ja) * | 2005-05-02 | 2006-11-09 | Tamae Maejima | サイズ調整可能なマスク |
US8430100B2 (en) * | 2008-02-25 | 2013-04-30 | Prestige Ameritech Ltd. | Universal fit face mask |
-
2021
- 2021-04-07 KR KR1020210045430A patent/KR102385370B1/ko active IP Right Grant
- 2021-04-09 WO PCT/KR2021/004537 patent/WO2022215779A1/ko active Application Filing
- 2021-04-09 JP JP2023558605A patent/JP2024510814A/ja active Pending
- 2021-04-09 CN CN202180096570.3A patent/CN117083108A/zh active Pending
- 2021-11-01 KR KR1020210148223A patent/KR20220139219A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005081152A (ja) * | 2003-09-09 | 2005-03-31 | Lee Yong Chuol | 使い捨て防塵マスク |
JP2014200459A (ja) * | 2013-04-04 | 2014-10-27 | 株式会社リブドゥコーポレーション | マスク |
KR101355247B1 (ko) * | 2013-04-11 | 2014-01-27 | 김현정 | 코 마스크 |
KR20180061736A (ko) * | 2016-11-30 | 2018-06-08 | 주식회사 유니에어 | 조임 기능이 부가된 사각마스크 |
JP2020192310A (ja) * | 2019-05-24 | 2020-12-03 | 花王株式会社 | 蒸気発生具 |
Also Published As
Publication number | Publication date |
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KR102385370B1 (ko) | 2022-04-14 |
KR20220139219A (ko) | 2022-10-14 |
CN117083108A (zh) | 2023-11-17 |
JP2024510814A (ja) | 2024-03-11 |
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