CN115089901A - Reusable transparent protective mask with high sealing performance and installation method thereof - Google Patents

Reusable transparent protective mask with high sealing performance and installation method thereof Download PDF

Info

Publication number
CN115089901A
CN115089901A CN202210729667.XA CN202210729667A CN115089901A CN 115089901 A CN115089901 A CN 115089901A CN 202210729667 A CN202210729667 A CN 202210729667A CN 115089901 A CN115089901 A CN 115089901A
Authority
CN
China
Prior art keywords
mask
filter box
filter
annular
mask shell
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
CN202210729667.XA
Other languages
Chinese (zh)
Inventor
聂毅
金鹏
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.)
Nottingham Lighthouse Of Excellence Ningbo Innovation Research Institute, University of
Original Assignee
Nottingham Lighthouse Of Excellence Ningbo Innovation Research Institute, University of
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 Nottingham Lighthouse Of Excellence Ningbo Innovation Research Institute, University of filed Critical Nottingham Lighthouse Of Excellence Ningbo Innovation Research Institute, University of
Priority to CN202210729667.XA priority Critical patent/CN115089901A/en
Publication of CN115089901A publication Critical patent/CN115089901A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/02Masks
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00Breathing 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
    • A62B18/08Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention discloses a reusable transparent protective mask with high sealing performance and an installation method thereof, relating to the technical field of protective masks; in order to improve the wearing effect; this protective mask includes: the mask shell is provided with filtering components on two sides and is made of transparent materials; the mask sealing gasket is detachably sleeved outside the annular convex edge and is in a closed-loop structure matched with the annular convex edge; the method comprises the following steps: installing a seal ring outside a vent opening of the mask shell; mounting the annular member outside the seal ring; the cartridge of the filter cassette is inserted into the vent. The mask sealing gasket is customized based on the face shape of a user, so that the mask sealing gasket can better cling to the face of the user when being worn, and the sealing property is guaranteed; and because the face mask shell is made of transparent materials, the face mask shell can be convenient for users to communicate and exchange, and the practicability is improved.

Description

Reusable transparent protective mask with high sealing performance and installation method thereof
Technical Field
The invention relates to the technical field of protective masks, in particular to a reusable transparent protective mask with high sealing performance and an installation method thereof.
Background
The mask fitting degree, namely the mask and the face need to be sealed sufficiently, is important in medical care; however, the wide variation in mask design and the varying shapes of human faces means that such fit is difficult to achieve, making it difficult for medical personnel to find a suitable mask.
The disposable protective mask on the market at present is made of all-nonwoven fabric, and has the defects of being difficult to attach to the face, blocking the communication of medical personnel, wasting materials and polluting the environment.
In addition, the current protective face mask on the market, such as the KN95 mask of M3, is a standardized mask, can not laminate the people's face completely, and the mask mostly is rubber base and breather valve structure, and the mouth type is shielded when the user speaks, has restricted user and has exchanged.
Therefore, there is a need for a customized reusable transparent protective mask that can be reused, can completely fit the face, and facilitates communication among medical personnel.
Through the retrieval, chinese patent application number is CN 202011637648.1's patent, discloses a new-type gauze mask is used in epidemic prevention, including the gauze mask body, be provided with the gauze mask rope on the gauze mask body, all be provided with the antiseptic solution on the both sides of gauze mask body and store the box, be provided with the shower nozzle on the antiseptic solution storage box, this shower nozzle all is provided with the cassette on the both sides of gauze mask body towards the center department of gauze mask body, and the cassette is the setting of spill state, is formed with the recess in the cassette, in the antiseptic solution storage box embedding recess. The novel mask in the patent has the following defects: the mask has poor fitting performance with the face and insufficient sealing performance, so that the protective capability is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a reusable transparent protective mask with high sealing performance and an installation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a highly sealable reusable transparent protective face mask comprising:
the mask shell is provided with filtering components on two sides and is made of transparent materials;
the mask sealing gasket is detachably sleeved outside the annular convex edge and is in a closed-loop structure matched with the annular convex edge;
the head-wearing assembly is arranged on two sides of the mask shell through the connecting buckle assembly;
wherein, the processing method of the face guard sealing gasket is as follows:
s1: acquiring human face data through face recognition;
s2: designing the size and shape of the mask seal based on the human facial data;
s3: the mask seal was prepared by 3D printing.
Preferably, the following components: the filter assembly includes:
the mask shell is provided with ventilation ports at two sides, and one end of the filter box is arranged in the ventilation ports of the mask shell;
the filter box cover is detachably arranged on the outer side of one end of the filter box through threads;
the filter cotton is arranged between the filter box cover and the filter box.
And further: the filter cassette comprises:
the filter box body is connected with the filter box cover through threads;
the inserting cylinder is arranged on the outer wall of one side of the filter box main body, which is far away from the filter box cover, and is matched with the vent;
the two lugs are arranged on the outer side of one end of the inserting cylinder;
in addition, one side of the vent hole, which is far away from the filter box main body, is provided with a chute and a fixed groove, and the chute and the fixed groove are matched with the lug; insert a section of thick bamboo and pass through chute detachable card in the fixed slot through the lug.
Further preferred is: the circumference outer wall of inserting a section of thick bamboo is provided with annular preforming, is provided with same sealing ring between annular preforming and the face guard shell.
As a preferable aspect of the present invention: the connector link assembly includes:
the annular piece is sleeved outside the inserting cylinder;
the upper connecting buckle is fixed at the top of the annular piece;
lower connector link, lower connector link are fixed in the loop forming element bottom, and wear-type unit mount is on last connector link and lower connector link.
Further preferred according to the invention are: the limiting groove is formed in the inner side of the ring-shaped piece, the outer wall of one side of the inserting cylinder is provided with a limiting block, and the position of the limiting block is matched with the limiting groove.
As a still further scheme of the invention: the head-mounted assembly includes:
one end of each of the two upper binding bands is respectively arranged on the two upper connecting buckles;
the outer walls of two sides of the annular restraining belt are fixed at the other ends of the two upper bandages, and the annular restraining belt is in an annular structure matched with the hindbrain of a human body;
the two ends of the lower bandage are respectively arranged on the two lower connecting buckles.
On the basis of the scheme: and the upper binding band and the lower binding band are respectively provided with an adjusting buckle for adjusting the tightness.
On the basis of the scheme, the following steps are preferred: the mask shell is made of transparent Polycarbonate (PC); the filter cotton adopts KN or KP standard filter cotton; the filter box cover, the filter box and the head-mounted assembly are made of ABS and are manufactured through an injection molding process.
A method for mounting a reusable transparent protective mask with high sealing performance comprises the following steps:
s11: installing a seal ring outside a vent opening of the mask shell;
s12: mounting the annular member on the outside of the seal ring;
s13: inserting the cartridge of the filter cartridge into the vent;
s14: screwing the filter box, and screwing the convex block into the fixed groove by virtue of the inclined plane structure of the chute to be clamped and fixed;
s15: filling the filter cotton into the filter box main body;
s16: installing a filter box cover on the outer side of the filter box main body;
s17: installing a filtering component at the vent at the other side of the mask shell according to the same method;
s18: mounting the upper binding band on the upper connecting buckle;
s19: and (5) installing the lower binding band on the lower connecting buckle to finish installation.
The beneficial effects of the invention are as follows:
1. the mask sealing gasket is customized based on the face shape of a user, and can be better attached to the face of the user when being worn, so that the sealing performance is guaranteed; and because the face mask shell is made of transparent materials, the face mask shell can be convenient for users to communicate and exchange, and the practicability is improved.
2. The filter box and the filter box cover are arranged, so that the filter box can be conveniently disassembled, only the filter cotton needs to be replaced in daily use, and the environment-friendly property is good.
3. The filter box can be conveniently disassembled, and in the installation process, the inserting cylinder can more easily screw the convex block into the fixed groove by virtue of the inclined plane structure of the chute in a rotating mode to be clamped and fixed, so that the filter box is more labor-saving and convenient.
4. According to the invention, when the filter box is arranged on the side surface of the mask shell, the annular pressing sheet and the side wall of the mask shell are utilized to press the sealing ring, the sealing ring achieves the purpose of filling the gap between the filter box and the mask shell, the structural stability is ensured, and the structural sealing property is ensured based on the deformation of the sealing ring.
5. When the limiting device is installed, the limiting block can be clamped into the limiting groove, the limiting block is used for limiting the limiting groove, the practicability is improved, and the wearing firmness is guaranteed.
Drawings
FIG. 1 is a schematic view of a reusable transparent protective mask with high sealing performance according to the present invention;
FIG. 2 is a schematic view of a reusable transparent protective mask with high sealing performance at another angle according to the present invention;
FIG. 3 is a schematic view of a high-sealing reusable transparent face shield filter assembly according to the present invention, shown disassembled;
FIG. 4 is a schematic view of a reusable transparent face shield filter assembly of the present invention shown in another angle after disassembly;
fig. 5 is a schematic structural view of a reusable transparent protective mask insert tube and a vent hole with high sealing performance according to the present invention.
In the figure: the mask comprises a mask shell 1, an upper connecting buckle 2, a filter box cover 3, an annular piece 4, a lower connecting buckle 5, filter cotton 6, a lower binding band 7, an adjusting buckle 8, an upper binding band 9, an annular binding band 10, a convex block 11, a mask sealing gasket 12, a sealing ring 13, a limiting groove 14, a filter box main body 15, an annular convex edge 16, an annular pressing sheet 17, a limiting block 18, an insert barrel 19, a vent hole 20, a chute 21 and a fixing groove 22.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a highly sealable reusable transparent face shield, as shown in fig. 1-5, comprising:
the mask comprises a mask shell 1, wherein filter components are arranged on two sides of the mask shell 1, and the mask shell 1 is made of transparent materials;
the mask shell comprises a mask sealing gasket 12, wherein an annular convex edge 16 is integrally arranged on one side, close to the face, of the mask shell 1, the mask sealing gasket 12 is detachably sleeved on the outer side of the annular convex edge 16, and the mask sealing gasket 12 is in a closed-loop structure matched with the annular convex edge 16;
the head-wearing assembly is arranged on two sides of the mask shell 1 through the connecting buckle assembly;
the processing method of the mask sealing gasket 12 is as follows:
s1: acquiring human face data through face recognition;
s2: designing the size and shape of the mask seal 12 based on human facial data;
s3: preparing a mask seal gasket 12 by 3D printing;
by arranging the mask shell 1 and the mask sealing gasket 12, and customizing the mask sealing gasket 12 based on the face shape of a user, the mask can better attach to the face of the user when the mask is worn, and the sealing property is guaranteed; and because the face mask shell 1 is made of transparent materials, the communication of users can be facilitated, and the practicability is improved.
The filter element is convenient to replace; as shown in fig. 3, 4 and 5, the filter assembly includes:
the mask shell 1 is provided with ventilation ports 20 at two sides, and one end of the filter box is arranged in the ventilation ports 20 of the mask shell 1;
the filter box cover 3 is detachably arranged on the outer side of one end of the filter box through threads;
the filter cotton 6 is arranged between the filter box cover 3 and the filter box 6;
through setting up filter cartridge and filter cartridge lid 3, dismantlement that can be convenient only need change filter pulp 6 during daily use, and the feature of environmental protection is good.
To facilitate disassembly of the filter cartridge; as shown in fig. 3, 4, and 5, the filter cassette includes:
the filter box main body 15, the filter box main body 15 is connected with the filter box cover 3 through the screw thread;
the inserting cylinder 19 is integrally arranged on the outer wall of one side, away from the filter box cover 3, of the filter box main body 15, and the inserting cylinder 19 is matched with the vent hole 20;
the two lugs 11 are integrally arranged on the outer side of one end of the inserting cylinder 19;
in addition, a chute 21 and a fixing groove 22 are formed in one side, away from the filter box main body 15, of the vent hole 20, and the chute 21 and the fixing groove 22 are matched with the projection 11; the inserting cylinder 19 is detachably clamped in the fixed groove 22 through the convex block 11 and the inclined groove 21;
through setting up lug 11, chute 21 and fixed slot 22, dismantlement filter cartridge that can be convenient, and in the installation, insert a section of thick bamboo 19 and can be through rotatory mode, with lug 11 with the help of the more light screw in fixed slot 22 of chute 21's inclined plane structure joint fixed, it is more laborsaving convenient.
In order to improve the sealing performance; as shown in fig. 4 and 5, the circumferential outer wall of the insert cylinder 19 is integrally provided with an annular pressing sheet 17, and the same sealing ring 13 is arranged between the annular pressing sheet 17 and the mask shell 1;
through setting up annular preforming 17 and sealing ring 13, can utilize annular preforming 17 and face mask shell 1's lateral wall to compress tightly sealing ring 13 when the filter cartridge is installed in face mask shell 1 side, sealing ring 13 has played the purpose of filling filter cartridge and face mask shell 1 clearance, has ensured structural stability to based on the deformation of sealing ring 13, ensured structural sealing nature.
To facilitate connection of the headset; as shown in fig. 1-4, the connector buckle assembly comprises:
the annular piece 4 is sleeved outside the inserting cylinder 19;
the upper connecting buckle 2 is fixed at the top of the annular piece 4;
lower connector link 5, lower connector link 5 are fixed in the 4 bottoms of loop forming element, and wear-type unit mount is on last connector link 2 and lower connector link 5.
The connecting buckle component is limited conveniently; as shown in fig. 3 and 4, a limiting groove 14 is formed in the inner side of the ring-shaped member 4, a limiting block 18 is integrally arranged on the outer wall of one side of the insertion cylinder 19, and the position of the limiting block 18 is matched with the limiting groove 14;
through setting up stopper 18, spacing groove 14 isotructure, can install the time, go into spacing groove 14 with stopper 18 card, utilize stopper 18 to carry on spacingly to spacing groove 14, promoted the practicality, ensured to wear the firmness.
Specifically, the mask shell 1 is made of transparent polycarbonate PC; the filter cotton 6 adopts KN or KP standard filter cotton; the filter box cover 3, the filter box and the head-mounted assembly are made of ABS and are prepared through an injection molding process.
Example 2:
a reusable transparent protective mask with high sealing performance and a mounting method thereof are disclosed, as shown in figures 1 and 2, which are convenient for wearing; the present embodiment is modified from embodiment 1 as follows: the head-mounted assembly includes:
one end of each of the two upper binding bands 9 is respectively arranged on the two upper connecting buckles 2;
the outer walls of two sides of the annular restraining belt 10 are fixed at the other ends of the two upper binding belts 9, and the annular restraining belt 10 is in an annular structure matched with the hindbrain of a human body;
the two ends of the lower bandage 7 are respectively arranged on the two lower connecting buckles 5.
In addition, the upper binding band 9 and the lower binding band 7 are both provided with an adjusting buckle 8 for adjusting the tightness;
through setting up the regulation knot 8, can be convenient for dress to guarantee the firmness after the dress, promoted the practicality.
Example 3:
a method for mounting a reusable transparent protective mask with high sealing performance comprises the following steps:
s11: installing a sealing ring 13 outside a vent 20 of the mask shell 1;
s12: the ring member 4 is mounted outside the seal ring 13;
s13: inserting the cartridge 19 of the filter cartridge into the vent 20;
s14: screwing the filter cartridge, and screwing the convex block 11 into the fixed groove 22 by virtue of the inclined surface structure of the inclined groove 21 for clamping and fixing;
s15: the filter cotton 6 is put into the filter box main body 15;
s16: the filter box cover 3 is arranged at the outer side of the filter box main body 15;
s17: the filter assembly is installed at the vent 20 at the other side of the mask shell 1 in the same way;
s18: the upper binding band 9 is arranged on the upper connecting buckle 2;
s19: and (5) mounting the lower binding band 7 on the lower connecting buckle 5 to complete the mounting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A reusable transparent protective mask with high sealability, comprising:
the mask comprises a mask shell (1), wherein filter components are arranged on two sides of the mask shell (1), and the mask shell (1) is made of transparent materials;
the mask sealing gasket (12), wherein an annular convex edge (16) is arranged on one side, close to the face, of the mask shell (1), the mask sealing gasket (12) is detachably sleeved on the outer side of the annular convex edge (16), and the mask sealing gasket (12) is in a closed-loop structure matched with the annular convex edge (16);
the head-wearing assembly is arranged on two sides of the mask shell (1) through the connecting buckle assembly;
the processing mode of the mask sealing gasket (12) is as follows:
s1: acquiring human face data through face recognition;
s2: designing the size and shape of the mask seal (12) based on human facial data;
s3: the mask seal (12) was prepared by 3D printing.
2. A highly sealable reusable transparent face shield according to claim 1, wherein the filter assembly comprises:
the mask shell (1) is provided with ventilation ports (20) at two sides, and one end of the filter box is arranged in the ventilation ports (20) of the mask shell (1);
the filter box cover (3) is detachably arranged on the outer side of one end of the filter box through threads;
the filter cotton (6), the filter cotton (6) is installed between the filter box cover (3) and the filter box.
3. A highly sealable reusable transparent face shield according to claim 2, wherein the filter cartridge comprises:
the filter box body (15), the filter box body (15) is connected with the filter box cover (3) through threads;
the insert cylinder (19) is arranged on the outer wall of one side, away from the filter box cover (3), of the filter box main body (15), and the insert cylinder (19) is matched with the vent hole (20);
the two lugs (11) are arranged on the outer side of one end of the inserting cylinder (19);
in addition, one side of the vent hole (20) far away from the filter box main body (15) is provided with a chute (21) and a fixing groove (22), and the chute (21) and the fixing groove (22) are matched with the bump (11); the inserting cylinder (19) is detachably clamped in the fixing groove (22) through the inclined groove (21) through the protruding block (11).
4. The transparent protective mask with high tightness and reusability as claimed in claim 3, characterized in that the outer wall of the circumference of the insert cylinder (19) is provided with an annular pressing plate (17), and the same sealing ring (13) is arranged between the annular pressing plate (17) and the mask shell (1).
5. A highly sealable reusable transparent face shield according to claim 4, wherein the connector assembly comprises:
the annular piece (4), the annular piece (4) is sleeved outside the inserting cylinder (19);
the upper connecting buckle (2), the upper connecting buckle (2) is fixed on the top of the annular piece (4);
lower connector link (5), lower connector link (5) are fixed in annular member (4) bottom, and wear-type unit mount is on last connector link (2) and lower connector link (5).
6. The reusable transparent protective mask with high sealing performance according to claim 5, wherein a limiting groove (14) is formed in the inner side of the ring-shaped member (4), a limiting block (18) is arranged on the outer wall of one side of the insert cylinder (19), and the position of the limiting block (18) is matched with the limiting groove (14).
7. The transparent, highly sealable, reusable face shield according to claim 6, wherein the head-mounted assembly comprises:
one end of each of the two upper binding bands (9) is respectively arranged on the two upper connecting buckles (2);
the outer walls of the two sides of the annular restraining belt (10) are fixed at the other ends of the two upper binding belts (9), and the annular restraining belt (10) is of an annular structure matched with the hindbrain of a human body;
the two ends of the lower binding band (7) are respectively arranged on the two lower connecting buckles (5).
8. A highly sealable reusable transparent face shield according to claim 7 wherein the upper (9) and lower (7) straps are provided with adjustment buckles (8) for adjusting the tightness.
9. The transparent face mask according to any one of claims 2-8, wherein the face mask shell (1) is made of transparent Polycarbonate (PC); the filter cotton (6) adopts KN or KP standard filter cotton; the filter box cover (3), the filter box and the head-mounted assembly are made of ABS and are prepared through an injection molding process.
10. A method for mounting a reusable transparent protective mask with high sealing performance is characterized by comprising the following steps:
s11: installing a sealing ring (13) outside a vent opening (20) of the mask shell (1);
s12: the annular part (4) is arranged on the outer side of the sealing ring (13);
s13: inserting the cartridge (19) of the filter cartridge into the vent (20);
s14: screwing the filter box, and screwing the convex block (11) into the fixed groove (22) by virtue of the inclined plane structure of the inclined groove (21) for clamping and fixing;
s15: putting the filter cotton (6) into the filter box main body (15);
s16: the filter box cover (3) is arranged at the outer side of the filter box main body (15);
s17: installing a filter assembly at the vent (20) on the other side of the mask shell (1) according to the same method;
s18: the upper binding band (9) is arranged on the upper connecting buckle (2);
s19: and (3) installing the lower binding band (7) on the lower connecting buckle (5) to finish the installation.
CN202210729667.XA 2022-06-24 2022-06-24 Reusable transparent protective mask with high sealing performance and installation method thereof Pending CN115089901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210729667.XA CN115089901A (en) 2022-06-24 2022-06-24 Reusable transparent protective mask with high sealing performance and installation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210729667.XA CN115089901A (en) 2022-06-24 2022-06-24 Reusable transparent protective mask with high sealing performance and installation method thereof

Publications (1)

Publication Number Publication Date
CN115089901A true CN115089901A (en) 2022-09-23

Family

ID=83293714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210729667.XA Pending CN115089901A (en) 2022-06-24 2022-06-24 Reusable transparent protective mask with high sealing performance and installation method thereof

Country Status (1)

Country Link
CN (1) CN115089901A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205250402U (en) * 2015-12-10 2016-05-25 北京雷果科技有限公司 Transparent antifog haze gauze mask
CN111657605A (en) * 2020-07-23 2020-09-15 台州市莱恩克警报器有限公司 Protective mask
WO2021159637A1 (en) * 2020-02-13 2021-08-19 河南驼人贝斯特医疗器械有限公司 Protective isolation device
CN214860685U (en) * 2021-01-06 2021-11-26 滁州宏胜运动制品有限公司 Medical isolation face guard of leak protection gas
FR3111565A1 (en) * 2020-06-17 2021-12-24 Precise France Respiratory protection mask with transparent interface wall and frame incorporating one or more removable cartridge (s) of filter material
CN215455618U (en) * 2021-06-30 2022-01-11 天津正天医疗器械有限公司 Protective mask

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205250402U (en) * 2015-12-10 2016-05-25 北京雷果科技有限公司 Transparent antifog haze gauze mask
WO2021159637A1 (en) * 2020-02-13 2021-08-19 河南驼人贝斯特医疗器械有限公司 Protective isolation device
FR3111565A1 (en) * 2020-06-17 2021-12-24 Precise France Respiratory protection mask with transparent interface wall and frame incorporating one or more removable cartridge (s) of filter material
CN111657605A (en) * 2020-07-23 2020-09-15 台州市莱恩克警报器有限公司 Protective mask
CN214860685U (en) * 2021-01-06 2021-11-26 滁州宏胜运动制品有限公司 Medical isolation face guard of leak protection gas
CN215455618U (en) * 2021-06-30 2022-01-11 天津正天医疗器械有限公司 Protective mask

Similar Documents

Publication Publication Date Title
JP4110238B2 (en) Full face respirator with integral connector in the lens area
US5592937A (en) Respirator mask with stiffening elements
AU2014228083A1 (en) Reconfigurable full facemask having a cartridge module for respiratory protection
KR20170004129A (en) Customizable type mask and customizable type mask manufacturing methode
CN111111040A (en) Breathing protective head cover
US20230137526A1 (en) Respirator mask
CN115089901A (en) Reusable transparent protective mask with high sealing performance and installation method thereof
CN208550097U (en) A kind of sealing mask
CN213252294U (en) Face protection device capable of realizing quick replacement of connecting part
CN212789485U (en) Safety bulb
CN111135498A (en) Protective mask
CN211274111U (en) Aviation fuel preparation is with allotment pump anti-splash device
CN213881871U (en) Protective mask
CN215427036U (en) Can replace filter pulp's breathing mask
CN212260565U (en) Combined protective mask
CN216255587U (en) Recyclable medical protective mask
CN216725566U (en) Filter element replaceable crystal mask
CN219579211U (en) Closed protective eye-shade device
CN111557494A (en) Mask
CN107438448A (en) Cover lid for the housing of wet heat exchanger
CN207445378U (en) A kind of easy-to-dismount gas defense semi-respirator
CN214047646U (en) Protective mask
CN212014536U (en) Novel mask
CN215194769U (en) Novel department of respiration nurses protection casing
CN211983910U (en) Novel protective facial mask with eye protection function

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20220923