CN112220132A - A KN95 mask that is comfortable to wear - Google Patents

A KN95 mask that is comfortable to wear Download PDF

Info

Publication number
CN112220132A
CN112220132A CN202011242809.7A CN202011242809A CN112220132A CN 112220132 A CN112220132 A CN 112220132A CN 202011242809 A CN202011242809 A CN 202011242809A CN 112220132 A CN112220132 A CN 112220132A
Authority
CN
China
Prior art keywords
mask
comfortable
layer
mask body
nose bridge
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202011242809.7A
Other languages
Chinese (zh)
Inventor
徐志栋
严德正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Puerde Medical Articles Co ltd
Original Assignee
Hefei Puerde Medical Articles Co ltd
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 Hefei Puerde Medical Articles Co ltd filed Critical Hefei Puerde Medical Articles Co ltd
Priority to CN202011242809.7A priority Critical patent/CN112220132A/en
Publication of CN112220132A publication Critical patent/CN112220132A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1161Means for fastening to the user's head
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00Details of garments or of their making
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/02Layered materials
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
    • A41D31/14Air permeable, i.e. capable of being penetrated by gases
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2200/00Components of garments
    • A41D2200/10Belts
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2400/00Functions or special features of garments
    • A41D2400/80Friction or grip reinforcement
    • A41D2400/82Friction or grip reinforcement with the body of the user
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00Materials for garments
    • A41D2500/30Non-woven

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses a KN95 mask comfortable to wear, which comprises a mask body, wherein the outer side surface of the mask body is provided with two hanging belts which are arranged up and down, the hanging belts are provided with adjusting pieces, the inside of the mask body close to the top is fixedly provided with a plastic nose bridge strip, and the inner side surface close to the top is adhered with a nose bridge attaching batten; the mask body comprises a protective layer arranged on the outer side face and a contact layer arranged on the inner side face, the inner side face of the protective layer is attached with a filter layer, and the outer side face of the contact layer is attached with a support layer. The invention solves the problems that the hanging belt of the KN95 mask can not meet the requirements of different wearers, the wearing is uncomfortable, the hanging belt often falls off, the breathing resistance of hot air cotton arranged inside the mask is high, and meanwhile, the edge of the top of the traditional KN95 mask is not tightly attached to the face when being worn, so that gaps are formed.

Description

Wear comfortable KN95 gauze mask
Technical Field
The invention relates to the technical field of KN95 masks, in particular to a KN95 mask comfortable to wear.
Background
The KN95 mask is one of 9 particle protective masks certified by NIOSH. "N" means not resistant to oil. "95" indicates that the particle concentration in the mask is 95% or more lower than the particle concentration outside the mask when exposed to a predetermined number of the test particles. Wherein 95% is not the average value but the minimum value. KN95 is not a specific product name, as long as it meets KN95 standards, and the product approved by NIOSH is referred to as a "KN 95 mask. The protection grade is KN95 grade, which indicates that the filtering efficiency of the mask filtering material on non-oily particles (such as dust, acid mist, paint mist, microorganisms and the like) reaches 95 percent under the detection condition specified by the NIOSH standard.
Among the prior art, KN95 gauze mask string area is usually only singly to be deposited depend on its elasticity and hang on user's ear, can not adjust hanging the area, make the user wear the elasticity different, can not satisfy different wearers' demand, and then wear uncomfortable, the connection mode of hanging area and the gauze mask body of traditional KN95 gauze mask is the welding mode simultaneously, hang the phenomenon that often appears droing in the area, and the hot-blast cotton respiratory resistance of the inside setting of traditional KN95 gauze mask is big, traditional KN95 gauze mask top border department, when wearing, inseparable with the laminating of face, there is the gap.
Disclosure of Invention
The invention aims to solve the problems that a hanging belt of a KN95 mask cannot meet the requirements of different wearers, the wearing is uncomfortable, the hanging belt often falls off, the breathing resistance of hot air cotton arranged inside the mask is high, and meanwhile, the edge of the top of the traditional KN95 mask is not tightly attached to the face when the mask is worn and has a gap problem.
In order to achieve the purpose, the invention adopts the following technical scheme: a KN95 mask comfortable to wear comprises a mask body, wherein two hanging belts are mounted on the outer side face of the mask body, adjusting pieces are mounted on the hanging belts, a plastic nose bridge strip is fixedly arranged inside the mask body close to the top, and a nose bridge attaching batten is adhered to the inner side face close to the top;
the adjusting piece is sheet-shaped, and the front surface of the adjusting piece is provided with a rectangular hole and two symmetrically arranged strip-shaped openings;
the gauze mask body is including setting up in the protective layer of lateral surface and setting up in the contact layer of medial surface, the medial surface laminating of protective layer has the filter layer, the lateral surface laminating of contact layer has the supporting layer.
Preferably, all install four rivets on the mask body, the head of rivet is located the medial surface of the mask body, the afterbody of rivet passes the mask body in proper order and hangs the area, the rivet of rivet is located the lateral surface of the mask body, and the rivet compresses tightly on hanging the area, two hang the area for set up about with set up wherein arbitrary one, the rivet is the plastic button.
Preferably, the hanging belt is made of elastic materials, and the cross section of the hanging belt is flat.
Preferably, the two strip-shaped openings are distributed on two sides of the rectangular hole and communicated with the rectangular hole.
Preferably, the hanging belt penetrates through the strip-shaped opening, and the strip-shaped opening is tightly pressed on two sides of the hanging belt.
Preferably, the nose bridge fitting batten is matched with the plastic nose bridge strip, the plastic nose bridge strip is made of plastic metal, and the nose bridge fitting batten is made of foam.
Preferably, the inner side surface of the filter layer is attached to the outer side surface of the support layer, and the filter layer is of any one of a one-layer structure and a double-layer structure.
Preferably, the plastic nose bridge strip is fixedly arranged between the protective layer and the filter layer.
Preferably, the protective layer is a polypropylene non-woven fabric, the contact layer is a polypropylene non-woven fabric, the support layer is a mesh spunlace non-woven fabric, and the filter layer is a melt-blown non-woven fabric.
Compared with the prior art, the invention has the following beneficial effects: when the two hanging belts are arranged up and down, the hanging belt positioned below is sleeved on the neck of a user, the hanging belt positioned above is sleeved on the head of the user, when the two hanging belts are arranged left and right, the two hanging belts are hung on ears, the mouth and the nose of the user are covered by the mask body, the user can pull the adjusting piece, and then the hanging belts move on the inner wall of the strip-shaped opening; the plastic nose bridge strip at the nose bridge is pinched, so that the nose bridge attaching batten is tightly attached to the nose bridge and the face of a user, the sealing effect on the upper part of the mask is good, and the mask is comfortable to wear; the spunlace nonwoven fabric with the meshes of the supporting layer allows air to pass easily, so that the breathing resistance is small when the spunlace nonwoven fabric is worn, and the spunlace nonwoven fabric is comfortable to wear
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of the overall structure of the hanging strip of the present invention arranged up and down;
FIG. 2 is a schematic structural view of part A of the present invention;
FIG. 3 is a schematic view of the structure of the mask body of the present invention;
FIG. 4 is a schematic view of the rivet joint of the present invention;
fig. 5 is a schematic view of the overall structure of the hanging strip of the present invention when the hanging strip is arranged left and right.
In the figure: 1-a mask body, 2-a hanging belt, 3-an adjusting piece, 4-a plastic nose bridge strip, 5-a nose bridge joint strip, 6-a rectangular hole, 7-a strip-shaped opening, 8-a rivet, 9-a protective layer, 10-a supporting layer, 11-a filtering layer and 12-a supporting layer.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention provides a technical scheme that: a KN95 mask comfortable to wear comprises a mask body 1, wherein two hanging belts 2 are mounted on the outer side faces of the mask body 1, adjusting pieces 3 are mounted on the hanging belts 2, a plastic nose bridge strip 4 is fixedly arranged inside the mask body 1 close to the top, and a nose bridge attaching batten 5 is adhered to the inner side face close to the top;
the adjusting piece 3 is sheet-shaped, and the front surface of the adjusting piece is provided with a rectangular hole 6 and two symmetrically arranged strip-shaped openings 7;
the mask body 1 comprises a protective layer 9 arranged on the outer side face and a contact layer 10 arranged on the inner side face, a filter layer 11 is attached to the inner side face of the protective layer 9, and a support layer 12 is attached to the outer side face of the contact layer 10.
All install four rivets 8 on the gauze mask body 1, the head of rivet 8 is located the medial surface of the gauze mask body 1, the afterbody of rivet 8 passes the gauze mask body 1 in proper order and hangs area 2, the rivet of rivet 8 is located the lateral surface of the gauze mask body 1, and the rivet compresses tightly on hanging area 2, two hang area 2 for setting up about and wherein arbitrary one of setting up, rivet 8 is the plastic button, strengthens the bonding (or tearing, fracture) intensity of hanging area 2 and the gauze mask body 1, during the use, avoids hanging area 2 because of the welding is not firm or make string area 2 drop from the gauze mask body with too big.
The hanging belt 2 is made of elastic materials, the cross section of the hanging belt is flat, and the hanging belt 2 can conveniently penetrate through the inner wall of the strip-shaped opening 7.
Two strip-shaped openings 7 are distributed on two sides of the rectangular hole 6 and communicated with the rectangular hole 6, and when the adjusting piece 3 is installed, the hanging belt 2 penetrates through the rectangular hole 6, and then the hanging belt 2 penetrates through the strip-shaped openings 7.
The hanging belt 2 penetrates through the strip-shaped opening 7, the strip-shaped opening 7 is tightly pressed on two sides of the hanging belt 2, and the hanging belt 2 can move on the strip-shaped opening 7 and can also be positioned on the inner wall of the strip-shaped opening 7.
Bridge of the nose laminating layering 5 cooperatees with plasticity bridge of the nose strip 4, plasticity bridge of the nose strip 4 is the plasticity metal material, bridge of the nose laminating layering 5 is the foam material, and the bridge of the nose laminating layering 5 is followed plasticity bridge of the nose strip 4 and is moulded.
The inner side surface of the filter layer 11 is attached to the outer side surface of the support layer 12, and the filter layer 11 is of any one of a one-layer structure and a double-layer structure.
The plastic nose bridge strip 4 is fixedly arranged between the protective layer 9 and the filter layer 11.
The protective layer 9 is a polypropylene non-woven fabric, the contact layer 10 is a polypropylene non-woven fabric, the support layer 12 is a mesh spunlace non-woven fabric, and the filter layer 11 is a melt-blown non-woven fabric.
When the mask is used, when the two hanging belts 2 are arranged up and down, the hanging belt 2 positioned below is sleeved on the neck of a user, the hanging belt 2 positioned above is sleeved on the head of the user, when the two hanging belts 2 are arranged left and right, the two hanging belts 2 are hung on the ears, the mask body 1 covers the mouth and the nose of the user, the user can pull the adjusting piece 3, and then the hanging belts 2 move on the inner wall of the strip-shaped opening 7, because the hanging belts 2 are made of elastic materials, the adjusting piece 3 can move on the hanging belts 2, meanwhile, the adjusting piece 3 can also be positioned on the hanging belts 2, and further, the tightness of the hanging belts 2 when the hanging belts 2 are worn can be adjusted through the movement of the adjusting piece 3, so that the mask is comfortable to wear, can meet the requirements of different users, and is very convenient to adjust; the plastic nose bridge strip 4 at the nose bridge is pinched, so that the nose bridge attaching batten 5 is tightly attached to the nose bridge and the face of a user, the sealing effect on the upper part of the mask is good, and the mask is comfortable to wear; 12 meshes of the supporting layer are spunlace nonwoven fabrics, so that air can pass through easily, the breathing resistance is small when the novel spunlace nonwoven fabric is worn, and the wearing is comfortable.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1.一种佩戴舒适的KN95口罩,包括有口罩体(1),其特征在于:所述口罩体(1)的外侧面均安装有两个挂带(2),所述挂带(2)上安装有调节件(3),所述口罩体(1)靠近顶部的内部固定设置有可塑性鼻梁条(4),以及靠近顶部的内侧面黏贴有鼻梁贴合压条(5);1. a comfortable KN95 mask, comprising a mask body (1), characterized in that: the outer side of the mask body (1) is equipped with two straps (2), the straps (2) An adjustment member (3) is installed on the mask body (1), a plastic nose bridge strip (4) is fixedly arranged on the inside of the mask body (1) near the top, and a nose bridge fitting pressure strip (5) is pasted on the inner side near the top; 所述调节件(3)为片状,以及正面开设有矩形孔(6)和对称设置的两个条形口(7);The adjusting member (3) is in the shape of a sheet, and a rectangular hole (6) and two symmetrically arranged bar-shaped openings (7) are opened on the front side; 所述口罩体(1)包括有设置于外侧面的保护层(9)和设置于内侧面的接触层(10),所述保护层(9)的内侧面贴合有过滤层(11),所述接触层(10)的外侧面贴合有支撑层(12)。The mask body (1) includes a protective layer (9) arranged on the outer side and a contact layer (10) arranged on the inner side, and the inner side of the protective layer (9) is fitted with a filter layer (11), A support layer (12) is attached to the outer side surface of the contact layer (10). 2.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述口罩体(1)上均安装有四个铆钉(8),所述铆钉(8)的头部位于口罩体(1)的内侧面,所述铆钉(8)的尾部依次穿过口罩体(1)和挂带(2),所述铆钉(8)的铆扣位于口罩体(1)的外侧面,且铆扣压紧于挂带(2)上,两个所述挂带(2)为上下设置和左右设置中的其中任意一种,所述铆钉(8)为塑胶纽扣。2. a kind of comfortable KN95 mouth mask to wear according to claim 1, is characterized in that: described mouth mask body (1) is equipped with four rivets (8), and the head of described rivet (8) is located in mouth mask. The inner side of the body (1), the tail of the rivet (8) passes through the mask body (1) and the strap (2) successively, and the rivet of the rivet (8) is located on the outer side of the mask body (1), The rivet buckle is pressed on the hanging strap (2), the two hanging straps (2) are any one of the upper and lower arrangement and the left and right arrangement, and the rivet (8) is a plastic button. 3.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述挂带(2)为松紧材质,且截面为扁平状。3. A comfortable KN95 mask according to claim 1, characterized in that: the hanging strap (2) is made of elastic material, and the cross section is flat. 4.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:两个所述条形口(7)分布于矩形孔(6)两侧,且与矩形孔(6)连通。4. A comfortable KN95 mask according to claim 1, characterized in that: the two described strip openings (7) are distributed on both sides of the rectangular hole (6), and communicate with the rectangular hole (6). 5.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述挂带(2)穿过条形口(7),所述条形口(7)压紧于挂带(2)的两侧。5. A comfortable KN95 mask according to claim 1, characterized in that: the lanyard (2) passes through a bar-shaped mouth (7), and the bar-shaped mouth (7) is pressed against the lanyard (2) on both sides. 6.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述鼻梁贴合压条(5)与可塑性鼻梁条(4)相配合,所述可塑性鼻梁条(4)为可塑性金属材质,所述鼻梁贴合压条(5)为泡沫材质。6. a kind of comfortable KN95 mask according to claim 1, is characterized in that: described nose bridge fitting pressure strip (5) is matched with plastic nose bridge strip (4), and described plastic nose bridge strip (4) is plasticity Metal material, the nose bridge fitting pressure strip (5) is foam material. 7.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述过滤层(11)的内侧面与支撑层(12)的外侧面贴合,所述过滤层(11)为一层结构和双层结构中的其中任意一种。7. A comfortable KN95 mask according to claim 1, characterized in that: the inner side of the filter layer (11) is fitted with the outer side of the support layer (12), and the filter layer (11) Either a one-layer structure or a two-layer structure. 8.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述可塑性鼻梁条(4)固定设置于保护层(9)和过滤层(11)之间。8 . The comfortable KN95 mask according to claim 1 , wherein the plastic nose bridge strip ( 4 ) is fixedly arranged between the protective layer ( 9 ) and the filter layer ( 11 ). 9 . 9.根据权利要求1所述的一种佩戴舒适的KN95口罩,其特征在于:所述保护层(9)为聚丙烯无纺布,所述接触层(10)为聚丙烯无纺布,所述支撑层(12)为网孔水刺无纺布,所述过滤层(11)为熔喷无纺布。9. A kind of comfortable KN95 mask according to claim 1, is characterized in that: described protective layer (9) is polypropylene non-woven fabric, and described contact layer (10) is polypropylene non-woven fabric, so The support layer (12) is a mesh spunlace non-woven fabric, and the filter layer (11) is a melt-blown non-woven fabric.
CN202011242809.7A 2020-11-10 2020-11-10 A KN95 mask that is comfortable to wear Pending CN112220132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011242809.7A CN112220132A (en) 2020-11-10 2020-11-10 A KN95 mask that is comfortable to wear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011242809.7A CN112220132A (en) 2020-11-10 2020-11-10 A KN95 mask that is comfortable to wear

Publications (1)

Publication Number Publication Date
CN112220132A true CN112220132A (en) 2021-01-15

Family

ID=74122302

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011242809.7A Pending CN112220132A (en) 2020-11-10 2020-11-10 A KN95 mask that is comfortable to wear

Country Status (1)

Country Link
CN (1) CN112220132A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914176A (en) * 2021-02-07 2021-06-08 安徽普尔德无纺科技有限公司 Gauze mask and gauze mask processingequipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874655A (en) * 2009-05-02 2010-11-03 周柏云 Non-suffocating protective facial mask
CN202104253U (en) * 2011-01-16 2012-01-11 泉州市科创防护用品有限公司 Mask
CN204763514U (en) * 2015-04-29 2015-11-18 昆山欣合纤维制品有限公司 Mask
CN107495507A (en) * 2017-09-08 2017-12-22 盐城方天无纺制品有限公司 A kind of multiple filtration type mouth mask
CN207590109U (en) * 2017-07-03 2018-07-10 奇妙科技有限公司 A kind of telescopic mask of ear-hang band
CN210611090U (en) * 2020-04-22 2020-05-26 金发科技股份有限公司 Multilayer mask
CN213939802U (en) * 2020-11-10 2021-08-13 合肥普尔德医疗用品有限公司 Wear comfortable KN95 gauze mask

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874655A (en) * 2009-05-02 2010-11-03 周柏云 Non-suffocating protective facial mask
CN202104253U (en) * 2011-01-16 2012-01-11 泉州市科创防护用品有限公司 Mask
CN204763514U (en) * 2015-04-29 2015-11-18 昆山欣合纤维制品有限公司 Mask
CN207590109U (en) * 2017-07-03 2018-07-10 奇妙科技有限公司 A kind of telescopic mask of ear-hang band
CN107495507A (en) * 2017-09-08 2017-12-22 盐城方天无纺制品有限公司 A kind of multiple filtration type mouth mask
CN210611090U (en) * 2020-04-22 2020-05-26 金发科技股份有限公司 Multilayer mask
CN213939802U (en) * 2020-11-10 2021-08-13 合肥普尔德医疗用品有限公司 Wear comfortable KN95 gauze mask

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112914176A (en) * 2021-02-07 2021-06-08 安徽普尔德无纺科技有限公司 Gauze mask and gauze mask processingequipment

Similar Documents

Publication Publication Date Title
KR101142835B1 (en) Disposable yellow sand mask
CN105246553B (en) Gauze mask
CN210382751U (en) Mask convenient to wear
CN213939802U (en) Wear comfortable KN95 gauze mask
CN112220132A (en) A KN95 mask that is comfortable to wear
CN212393971U (en) N95 gauze mask convenient to laminating face
CN111990717B (en) A mask
CN215422967U (en) Adjustable hangers formula gauze mask
CN218354757U (en) Portable mask
CN212911788U (en) Haze-proof mask
CN215501457U (en) Disposable medical mask
CN215455592U (en) A well sealed gauze mask for epidemic situation
CN213370043U (en) Disposable protective mask with ice silk cloth
CN213307565U (en) Disposable gauze mask of veneer formula
CN217524016U (en) A comfortable mask
CN217136910U (en) Anti-drop's medical KN95 gauze mask
CN213281619U (en) Mask with changeable layer number
CN217390060U (en) Mask with pressure damage prevention function
CN212233177U (en) Mask comfortable to wear
CN207948992U (en) A kind of medical treatment three layers of mask of highly-breathable
CN222054668U (en) A PE protective mask and anti-static clothing using the mask
CN211747145U (en) a multipurpose mask
CN213523951U (en) Plane mask
CN213344431U (en) Mask
CN213961939U (en) Health care mask for children

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210115

RJ01 Rejection of invention patent application after publication