CN111465432B - Face shield with breathable structure nostril caps - Google Patents
Face shield with breathable structure nostril caps Download PDFInfo
- Publication number
- CN111465432B CN111465432B CN201880079900.6A CN201880079900A CN111465432B CN 111465432 B CN111465432 B CN 111465432B CN 201880079900 A CN201880079900 A CN 201880079900A CN 111465432 B CN111465432 B CN 111465432B
- Authority
- CN
- China
- Prior art keywords
- mask
- nostril
- wearer
- nose
- main body
- Prior art date
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- Expired - Fee Related
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-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
-
- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
本发明涉及一种具有透气结构鼻孔盖的面罩，其人体工程学的功能性非常优异，从而可紧密包裹鼻孔周围，以完整地包裹鼻孔，并且能够过滤沙尘或者雾霾。根据本发明的具有透气结构鼻孔盖的面罩包括：面部遮罩(10)，在与佩戴者的鼻子对应的部位形成有第一透气孔(11)；透气结构鼻孔盖(20)，紧固在所述面部遮罩(10)上，具有与佩戴者的鼻孔连通的一个以上的第二透气孔(21)，并且紧贴在佩戴者的鼻孔周围。
The present invention relates to a face mask with a nostril cap with a breathable structure, which has excellent ergonomic functionality, so that it can tightly wrap around the nostrils to completely wrap the nostrils, and can filter sand, dust or haze. The mask with a nostril cap with a ventilating structure according to the present invention comprises: a face mask (10), a first vent (11) is formed at a position corresponding to the wearer's nose; a nostril cap (20) with a ventilating structure, which is fastened on the wearer's nose. The face mask (10) is provided with one or more second ventilation holes (21) which communicate with the nostrils of the wearer, and are closely attached around the nostrils of the wearer.
Description
Technical Field
The present invention relates to a mask, and more particularly, to a mask having a nostril cover with an air-permeable structure, which is configured to wrap around the nose, mouth, chin and neck of a face and make a wearer easily breathe, and filter haze in the air during breathing.
Background
When amateur activities or leisure sports activities are performed outdoors for a long time, the skin is easily exposed to the sun or aged due to strong ultraviolet rays of sunlight or dry cool wind.
Furthermore, haze in the air, which frequently causes respiratory diseases and the like, is also one of environmental factors that hinder leisure activities and leisure sports activities.
In order to block the sun and prevent respiratory diseases caused by haze, a hat and a mask are mainly worn, but depending on the angle of irradiation of the sun, the hat exposes a part of the face to the sun or the face to outdoor dry wind and winter cool wind, and thus the hat is insufficient to completely protect the face.
Masks have trouble, for example: when the mask is worn for a long time, it is necessary to correct the wearing position and the like at any time due to physical activity or facial movement and the like.
To solve these problems, a mask has been proposed. The mask can protect the nose and mouth while wrapping around the chin and neck, thereby protecting the face and the like from the sun or cold wind in winter.
However, since the mask does not have a separate ventilation port, it is inconvenient to breathe when worn for a long time, and especially when the wearer wears glasses, breathing may cause a bad breath on the glasses.
In addition, since the mask is generally made of a fabric, it is worn so as to hang on the face of the wearer, and thus it is difficult to naturally come into close contact with the outer nose protruding from the face.
In order to solve the problems described above, the applicant has proposed, through a utility model granted application (granted No. 20-0476397), a mask provided with an air-permeable assembly.
However, the conventional mask proposed by the present applicant is complicated to manufacture due to the number of constituent parts of the ventilation assembly, and although the ventilation assembly has the recessed portion and the cut groove so that the ventilation assembly is adapted to the external nose shape of the wearer to be easily attached, it is difficult to completely wrap the nostrils due to non-ergonomics, and it is also impossible to effectively filter dust or haze.
Disclosure of Invention
Technical problem to be solved
The present invention has been made to solve the above-mentioned problems occurring in the conventional mask, and it is an object of the present invention to provide a mask having a nose cap with a ventilation structure, which greatly improves ergonomic functionality so as to closely fit around nostrils to completely wrap the nostrils.
Another object of the present invention is to provide a mask having a nasal opening cover with a ventilation structure, which is easy to manufacture and convenient to wear due to a small number of components.
It is yet another object of the present invention to provide a mask having a breather nose cap that can filter sand or haze.
(II) technical scheme
In order to achieve the above object, the present invention provides a mask having a nasal opening cover of a ventilation structure, the mask comprising: a face mask having air holes formed at a portion corresponding to a nose of a wearer; a vent structure nose cap fastened to the face mask, having one or more vents communicating with the nostrils of the wearer, and fitting tightly around the nostrils of the wearer, the nose cap comprising: a transverse groove which horizontally crosses the central part of the air hole and is formed by crossing the left and right side parts of the front surface of the main body; a central vertical groove and left and right vertical grooves formed to intersect with the transverse groove in a vertical direction at the center and left and right sides of the front surface of the body, respectively; left and right side portions having left and right vertical cross-sectional portions extending upward in a vertical direction at boundary portions with the left and right vertical grooves; and the nose wing clinging part is formed by connecting concave parts and convex parts from the air holes on the rear surface of the main body to the left and right ends, wherein the left and right side parts of the main body including the nose wing clinging part have a three-dimensional shape with a relatively larger volume compared with the central part of the main body by taking the left and right vertical grooves as a reference.
The mask according to the invention further comprises: and the mask filter is detachably arranged on the outer side surface of the face mask corresponding to the nostril cover.
Further, the mask according to the present invention has a cutout, and can be opened in a mouth shape at a portion of the face mask, which blocks the mouth.
Further, according to the mask of the present invention, the nose hole cover has fastening iron piece embedding portions at left and right side portions thereof to fasten the nose hole cover to the face mask.
The face mask has fasteners fixed to the inner and outer sides thereof, and the fasteners have fastening magnets for fixing the fastening iron piece embedding portions of the nose hole cover by magnetic lines of force.
The fasteners fixed to the inner and outer sides of the face mask are inner and outer independent fasteners which are independently formed as an inner fastener fixed to the inner side of the face mask and an outer fastener fixed to the outer side of the face mask, respectively.
The fastening members fixed to the inner and outer sides of the face mask are inner and outer integrated fastening members, and the inner fastening member and the outer fastening member are integrally formed by connecting the upper end portion of the inner fastening member and the upper end portion of the outer fastening member.
And, the fastening member fixed to the inner and outer sides of the face mask is an inner and outer side engaging type fastening member, which includes: a joint part formed by joining the inner side fastener and the outer side fastener with each other around the ventilation hole of the central part; a non-joint portion formed around the joint portion.
Also, the mask according to the present invention further comprises: and the mesh cloth is fixedly arranged on the face mask to prevent the air holes from being exposed outside.
Further, the present invention provides a nose cap of a mask ventilation structure, which is fastened to a face mask having no ventilation holes formed in a portion corresponding to a nose of a wearer, has one or more ventilation holes communicating with nostrils of the wearer, and is closely attached around the nostrils of the wearer, the nose cap comprising: a transverse groove horizontally crossing the central part of the ventilation hole and formed across the left and right sides of the front surface of the main body; a central vertical groove and left and right vertical grooves formed to intersect with the transverse groove in a vertical direction at the center and left and right sides of the front surface of the body, respectively; left and right side portions having a vertical cross-sectional portion extending upward in a vertical direction at a boundary portion with the left and right vertical grooves; and the nose wing clinging part is formed by connecting concave parts and convex parts from the air holes on the rear surface of the main body to the left and right ends, wherein the left and right side parts of the main body including the nose wing clinging part have a three-dimensional shape with a relatively larger volume compared with the central part of the main body by taking the left and right vertical grooves as a reference.
(III) advantageous effects
The present invention provides a mask with a vent-structured nostril cover that greatly enhances ergonomic functionality so that it may be closely fitted around the nostrils to completely wrap the nostrils.
The invention provides a mask with a nose cover with a ventilation structure, which is easy to manufacture and convenient to wear due to few components.
The invention provides a mask with a nose hole cover with a ventilation structure, which can filter sand dust or haze through a detachable mask filter arranged on the outer surface of a mask body so as to reduce worry of respiratory system diseases caused by outdoor activities.
Drawings
Fig. 1 is an isolated perspective view of a mask according to a first embodiment of the present invention.
Figure 2 is a perspective view of a nasal orifice cover according to a first embodiment of the invention.
Figure 3 is a front view of a nasal orifice cover according to a first embodiment of the invention.
Fig. 4 is a rear view of a nasal orifice cover according to a first embodiment of the invention.
Fig. 5 is an isolated perspective view of a mask according to a second embodiment of the present invention.
Fig. 6 is an isolated perspective view of a mask according to a third embodiment of the present invention.
Fig. 7 is a perspective view of an integrated inside and outside fastening member of a mask according to a third embodiment of the present invention.
Fig. 8 is a view of the front surface of the inside-outside integrated fastener of fig. 7 being developed upward.
Fig. 9 is a view of the rear surface of the inside-outside integrated fastener of fig. 7 being developed upward.
Fig. 10 is an isolated perspective view of a mask according to a fourth embodiment of the present invention.
Fig. 11 is a top view of the front surface of medial-lateral engagement type fasteners of a face mask according to a fourth embodiment of the present invention.
FIG. 12 is a top view of the back surface of the inside-outside engagement fastener of FIG. 11.
Fig. 13 is an isolated perspective view of a mask according to a fifth embodiment of the present invention.
Reference signs
10: face mask 11: the first air hole
12: fastening rivet 13: magic tape
14: magic tape 15: cutting opening
20: the nose cap 21: second air hole
22: transverse groove 23: central vertical groove
23': left and right vertical grooves 24: arc part
25: the alar close contact portion 25 a: concave part
25 b: projection 26: fastening groove
27: fastening iron piece embedding portion 28: vertical cross-sectional part
29: left and right side portions 30: mask filter
31: wrinkled edge 40: first inside fastener
41: first fastening magnetic body 50: first outside fastener
60: inside-outside integrated fastener 61: second inside fastener
62: second outside fastening member 63: inner and outer boundary portions
64: fourth vent 65: second fastening magnetic body
70: inside-outside engaging type fastener 71: third inside fastener
72: third outside fastening piece 73: joint part
74: non-joint portion 75: third air vent
76: third fastening magnetic body 80: mesh fabric
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In addition, even if the same components in the drawings are shown in other drawings, they are denoted by the same reference numerals.
Also, in describing the present invention, when it is judged that detailed description of related well-known functions or well-known structures may unnecessarily obscure the gist of the present invention, detailed description thereof will be omitted.
Fig. 1 is an isolated perspective view of a mask according to a first embodiment of the present invention, fig. 2 is a perspective view of a nasal orifice cover according to a first embodiment of the present invention, fig. 3 is a front view of a nasal orifice cover according to a first embodiment of the present invention, and fig. 4 is a rear view of a nasal orifice cover according to a first embodiment of the present invention.
The mask according to the first embodiment of the present invention mainly comprises a face mask 10, a nostril cover 20, a mask filter 30.
The face mask 10 is formed with first ventilation holes 11 at a portion corresponding to the nose of a wearer, is composed of a material having wind resistance, cold resistance (for winter) or excellent ultraviolet shielding properties (for summer), and is fixed to the rear portion of the head by fastening means such as hook and loop fasteners 14 formed at the left and right ends.
The nose hole cover 20 is closely attached to the periphery of the nostril of the wearer, has more than one second air holes 21 communicated with the nostril of the wearer, and is fastened on the inner side surface of the face mask 10 so that the second air holes 21 are communicated with the first air holes 11 of the face mask 10.
In order to improve the adaptability of the distance between the upper lip and the different nose tips of each wearer, the vent cover 20 of the ventilation structure has a lateral groove 22, the lateral groove 22 being formed to traverse the central portion of the second ventilation hole 21 in the horizontal direction and to traverse the left and right side portions 29 of the front surface of the body, so as to easily fold the body of the vent cover 20 in the up-down direction.
Also, in order to improve the adaptability of the lateral width of the different nasal ala (the expanded portion from the tip of the nose to the left and right sides) of each wearer, the nostril cover 20 of the ventilation structure has a central vertical groove 23 and left and right vertical grooves 23', which are formed to cross the lateral groove 22 in the vertical direction at the center and left and right sides of the front surface of the body, respectively, to easily fold the nostril cover 20 in the left and right directions. In addition, the left and right side portions 29 of the nostril cover 20 of the air permeable structure have left and right vertical sectional portions 28 extending upward in the vertical direction at the boundary portions with the left and right vertical grooves 23'.
The nostril cover 20 of the ventilation structure has a bilaterally symmetrical arc portion 24 on the front surface of the upper end portion of the main body to be closely fastened to the face mask 10, and has a wing nose close-fitting portion 25 in which a concave portion 25a and a convex portion 25b are formed to be connected in both left and right directions from the second ventilation hole 21 on the rear surface of the main body to fill the periphery of the wing nose of the wearer to be closely fitted to the wing nose. In addition, the nostril cover 20 of the ventilation structure has a three-dimensional shape in which the left and right side portions 29 of the main body including the wing nose contact portion 25 have a relatively larger volume than the central portion of the main body with reference to the left and right vertical grooves 23'.
As described above, the nostril cover 20 is closely fastened to the face mask 10 and closely attached to the nasal ala of the wearer, thereby suppressing the entrance and exit of the breathing air through the fastening portion with the face mask 10 and the surroundings of the nasal ala (the entrance and exit of the breathing air can be realized only through the second ventilation holes 21).
The nostril cover 20 of the ventilation structure has fastening grooves 26 on the left and right outer sides of the nostril cover 20, respectively, as fastening means for fastening the nostril cover 20 to the face mask 10, and the fastening rivets 12 are fastened to the left and right fastening grooves 26 of the nostril cover 20 on the outer side of the face mask 10, thereby fastening the outer side surface of the nostril cover 20 to the inner side surface of the face mask 10.
The nasal cap is composed of a soft elastomer (silicone rubber, polyurethane, etc.).
The mask filter 30 is detachably attached to the outer side surface of the face mask 10 corresponding to the nostril covers 20, and performs a function of filtering haze in the air during the wearer's breathing.
As described above, the mask filter 30 is detachably attached, so that the mask filter 30 may not be attached when the mask is worn in a haze-free day, and may be attached to the mask only when haze is generated, so that the mask is conveniently worn, and the mask filter 30 is easily replaced when contaminated.
Various fabrics can be used as the material of the face mask filter 30, but a non-woven fabric for a dust mask having an excellent haze filtering function, or the like is preferable.
The reason why the mask filter 30 is provided with the wrinkle edges 31 on both the left and right sides is preferably to prevent the mask filter 30 from completely adhering to the face mask 10, and to form a space between the mask filter 30 and the face mask 10 to make the breathing of the wearer smoother.
The mask according to the present invention configured as described above can filter haze caused by sand dust or the like during outdoor activities by the mask filter 30 detachably provided on the outer surface of the face mask 10, thereby making it possible to reduce anxiety about respiratory diseases or the like.
Also, the mask according to the present invention may be formed with a cut-out 15 to open in a mouth shape at a portion of the face mask 10 covering the mouth, so as to facilitate drinking, etc., or talking.
Fig. 5 is an isolated perspective view of a mask according to a second embodiment of the present invention.
In the mask according to the second embodiment of the present invention, fastening of the face mask 10 to the nostril cover 20 is not performed by the fastening rivet 12 and the fastening groove 26 of the nostril cover in the first embodiment, but is performed by the fastening iron piece embedding portions 27 provided at the left and right side portions of the nostril cover 20 and the first inner side fastening member 40 and the first outer side fastening member 50 provided at the inner side and the outer side of the face mask 10, respectively, as shown in fig. 5.
That is, the first fastening magnetic bodies 41 are embedded in the left and right side portions of the first inner fastening members 40 provided inside the face mask 10 so as to correspond to the fastening iron piece embedding portions 27 provided in the left and right side portions of the nostril cover 20, and the fastening iron piece embedding portions 27 are fixed to the first fastening magnetic bodies 41 by magnetic lines of force of the first fastening magnetic bodies 41 to fasten the nostril cover 20 to the face mask 10.
The first inner side fastening piece 40 and the first outer side fastening piece 50 are previously joined to the inner and outer sides of the face mask 10 by joining means such as sewing before the nostril cover 20 and the face mask 10 are fastened.
Fig. 6 is an exploded perspective view of a mask according to a third embodiment of the present invention, fig. 7 is a perspective view of a medial-lateral integrated fastener of the mask according to the third embodiment of the present invention, fig. 8 is a view in which a front surface of the medial-lateral integrated fastener of fig. 7 is developed upward, and fig. 9 is a view in which a rear surface of the medial-lateral integrated fastener of fig. 7 is developed upward.
As shown in fig. 7 to 9, an inside-outside integrated fastening member 60 is provided on a mask according to a third embodiment of the present invention, and the inside-outside integrated fastening member 60 is integrally formed by connecting an upper end portion of a second inside fastening member 61 and an upper end portion of a second outside fastening member 62.
In addition, as shown in fig. 6, the inside-outside integrated fastener 60 is inserted into the upper end of the face mask 10, and the inside-outside integrated fastener 60 is fixed to the face mask 10 using an engagement means such as sewing around the fourth ventilation hole 64 of the thus inserted inside-outside integrated fastener 60.
In the mask according to the third embodiment of the present invention, the fastening iron piece embedding portion 27 of the nose hole cover is fixed to the second fastening magnetic body 65 by magnetic lines of force, so that the outer surface of the nose hole cover 20 is fastened to the inner surface of the face mask 10, and the second fastening magnetic body 65 is embedded in the second inner fastening piece 61 of the inside and outside integrated fastening piece 60 joined to the face mask 10.
Fig. 10 is an isolated perspective view of a face mask according to a fourth embodiment of the present invention, fig. 11 is a plan view of the front surface of the medial-lateral junction fastener of the face mask according to the fourth embodiment of the present invention, and fig. 12 is a plan view of the rear surface of the medial-lateral junction fastener of fig. 11.
As shown in fig. 11 and 12, a mask according to a fourth embodiment of the present invention is provided with medial-lateral engaging type fastening members 70 including: a joint portion 73 formed by joining the third inner side fastener 71 and the third outer side fastener 72 to each other around the third airing hole 75 in the central portion; and a non-joint portion 74 formed around the joint portion 73.
In addition, as shown in fig. 10, when the inside and outside coupling type fastener 70 is pushed into the first ventilation hole 11 of the face mask 10 and the edge portion of the first ventilation hole 11 of the face mask 10 is pushed into the non-coupling portion 74 of the inside and outside coupling type fastener 70, the inside and outside coupling type fastener 70 is inserted around the ventilation hole of the face mask 10.
As described above, the inside and outside joint type fastener 70 is fixed to the face mask 10 by using a joining method such as sewing at the edge portion of the third airing hole 75 of the inserted inside and outside joint type fastener 70.
In the mask according to the fourth embodiment of the present invention, the engaging iron piece embedding portion 27 of the nostril cover 20 is fixed to the third fastening magnetic body 76 by magnetic lines of force, so that the outer side surface of the nostril cover 20 is fastened to the inner side surface of the face mask 10, wherein the third fastening magnetic body 76 is embedded in the third inner fastening piece 71 engaged with the inner and outer engaging fastening pieces 70 of the face mask 10.
Although not shown, as a method of fastening the nostril cover 20 to the face mask 10, protruding portions for fastening are formed at left and right side portions of the nostril cover 20, and groove portions for fastening are provided at corresponding portions of the third inner side fastening member 71 to fasten the protruding portions and the groove portions, so that the outer side surface of the nostril cover 20 can be fastened to the inner side surface of the face mask 10.
Fig. 13 is an isolated perspective view of a mask according to a fifth embodiment of the present invention.
The mask according to the fifth embodiment of the present invention is such that the mesh cloth 80 is fixedly provided on the face mask 10, and when the mask filter 30 is not worn on the mask, the mesh cloth 80 prevents the first vent hole 11, the fourth vent hole 64, and the third vent hole 75 of the face mask 10 or the fastening member from being exposed to the outside.
Although the technical idea of the present invention has been described above with reference to the accompanying drawings, this is merely an exemplary illustration of the preferred embodiment of the present invention and is not intended to limit the present invention.
It should be noted that various modifications and simulations can be made by those skilled in the art without departing from the scope of the technical idea of the present invention.
Industrial applicability
The mask with the nose cap having the ventilation structure according to the present invention has excellent ergonomic functionality, so that it can be closely attached around the nostrils to completely wrap the nostrils, has a small number of components, is easy to manufacture and convenient to wear, and can filter dust or haze through the detachable mask filter provided on the outer surface of the mask body, thereby reducing anxiety of respiratory diseases and the like caused by outdoor activities, and thus has practicality in leisure sports and health care industries.
Claims (10)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2017-0006366 | 2017-12-11 | ||
| KR20170006366 | 2017-12-11 | ||
| KR20-2018-0001595 | 2018-04-11 | ||
| KR2020180001595U KR200488024Y1 (en) | 2017-12-11 | 2018-04-11 | Facial mask with nostril cover of vented structure |
| PCT/KR2018/015256 WO2019117526A1 (en) | 2017-12-11 | 2018-12-04 | Facial mask having ventilation structure nostril cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111465432A CN111465432A (en) | 2020-07-28 |
| CN111465432B true CN111465432B (en) | 2021-06-22 |
Family
ID=64668816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880079900.6A Expired - Fee Related CN111465432B (en) | 2017-12-11 | 2018-12-04 | Face shield with breathable structure nostril caps |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2021505785A (en) |
| KR (1) | KR200488024Y1 (en) |
| CN (1) | CN111465432B (en) |
| WO (1) | WO2019117526A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210047037A (en) | 2019-10-21 | 2021-04-29 | 서민혜 | Face mask to prevent inflow of fine dust |
| JP7406231B2 (en) * | 2019-11-26 | 2023-12-27 | 株式会社ドクターイシイコスメティックス | Moisturizing kit |
| KR102179117B1 (en) * | 2020-01-30 | 2020-11-16 | 윤영환 | Respiration mask |
| KR102175252B1 (en) | 2020-03-20 | 2020-11-06 | 김성길 | Mask |
| KR200496307Y1 (en) * | 2020-08-19 | 2022-12-23 | 김옥순 | Mask for Blocking Foreign Materials Having Detachable Cover With Protection Film |
| KR102333112B1 (en) | 2021-01-08 | 2021-12-01 | 김성길 | Children Mask |
| KR102381703B1 (en) | 2021-02-25 | 2022-04-04 | 김성길 | Mask |
| WO2024261488A1 (en) * | 2023-06-21 | 2024-12-26 | Mask Logic Ltd | Mask |
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2018
- 2018-04-11 KR KR2020180001595U patent/KR200488024Y1/en not_active Expired - Fee Related
- 2018-12-04 CN CN201880079900.6A patent/CN111465432B/en not_active Expired - Fee Related
- 2018-12-04 JP JP2020549536A patent/JP2021505785A/en not_active Ceased
- 2018-12-04 WO PCT/KR2018/015256 patent/WO2019117526A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6851428B2 (en) * | 2002-01-08 | 2005-02-08 | Carnell K. Dennis | Respiratory mask |
| EP1529453A3 (en) * | 2003-11-05 | 2006-02-01 | Center Healthcare Technology Co., Ltd. | Facemask structure improvement |
| JP2007136243A (en) * | 2007-03-07 | 2007-06-07 | Takashi Mitarai | mask |
| CN101827633A (en) * | 2007-09-20 | 2010-09-08 | 3M创新有限公司 | Respirator having dynamic support structure and pleated filtration structure |
| CN201718517U (en) * | 2009-12-31 | 2011-01-26 | 石峰 | Breathing patch |
| CN202476510U (en) * | 2012-02-13 | 2012-10-10 | 朱玮 | Mask with vertical folded wrinkles |
| JP2013188281A (en) * | 2012-03-13 | 2013-09-26 | Mitsuaki Kamiyama | Mask-auxiliary member, mask and insertion member |
| KR20130040211A (en) * | 2013-01-25 | 2013-04-23 | 김영호 | 3-dimentional mask |
| KR200476397Y1 (en) * | 2014-01-27 | 2015-02-26 | 윤영환 | Face mask |
| CN105476114A (en) * | 2014-12-28 | 2016-04-13 | 大庆元子科技开发有限公司 | Three-dimensional low-pressure folding mask |
| CN105288898A (en) * | 2015-01-18 | 2016-02-03 | 张跃 | Nasal cavity filter |
| CN206433824U (en) * | 2016-12-21 | 2017-08-25 | 陈磊磊 | A kind of raincoat mouth mask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111465432A (en) | 2020-07-28 |
| KR200488024Y1 (en) | 2018-12-05 |
| JP2021505785A (en) | 2021-02-18 |
| WO2019117526A1 (en) | 2019-06-20 |
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