CN106820348B - A kind of multi-functional salt treatment mask - Google Patents
A kind of multi-functional salt treatment mask Download PDFInfo
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- CN106820348B CN106820348B CN201710227552.XA CN201710227552A CN106820348B CN 106820348 B CN106820348 B CN 106820348B CN 201710227552 A CN201710227552 A CN 201710227552A CN 106820348 B CN106820348 B CN 106820348B
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- Prior art keywords
- layer
- suction
- mask
- salt
- medication unit
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Classifications
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- 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
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- 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 kind of multi-functional salt to treat mask, including mask body and the bandage set on mask body side, mask body is equipped at least one suction zone and at least one expiration area, the mask body is the mask body of flexible plastic material, the suction zone is the suction zone of cylinder, the suction zone includes suction-type medication unit, and the expiration area is equipped with gas vent.Structure of the invention reasonable design can realize the requirement of the combination of individual filtration, purification air, suction-type medication unit or filtration, purification air and suction-type medication unit according to different use purposes by adjusting the different units syntagmatic of suction zone.Air enables to the sucking mineral salt of user's convenience to be effectively improved respiratory system by mineral salt deposit, alleviates Respiratory symptoms, and auxiliary treatment respiratory tract is uncomfortable.
Description
Technical field
The present invention relates to medical instruments fields, and in particular to a kind of multi-functional salt treatment mask.
Background technology
It is a kind of amenities that multi-functional salt, which treats mask, refers generally to be worn over nose and mouth for filtering the sky for entering mouth and nose
Gas, gas, smell, droplet to reach blocking harmful are passed in and out the apparatus of wearer's mouth and nose, are made with gauze or paper etc..It is multi-functional
Salt treats mask has certain filtration to the air for entering lung, in respiratory infectious disease prevalence, in pollutions such as dust
In environment when operation, wears multi-functional salt and treat mask with extraordinary effect.
Existing multi-functional salt treats mask since the unreasonable effect of structure design and purposes are single, has miscellaneous in air filtering
Matter or particulate matter are individually used for auxiliary treatment.
Invention content
In view of this, it is necessary to be directed to problems of the prior art, a kind of multi-functional salt treatment mask be provided, including mouth
Cover body and bandage set on mask body side, mask body are equipped at least one suction zone and at least one expiration area,
The mask body is the mask body of flexible plastic material, and the suction zone is the suction zone of cylinder, the suction zone packet
Include suction-type medication unit；The expiration area is equipped with gas vent.
As a further improvement on the present invention, the suction-type medication unit further includes protective device, the protective device
Check valve including buffering area and set on buffering area both ends, the check valve are the breather valve of air flow in one direction, the protection
Device is set to suction-type medication unit inside.
As a further improvement on the present invention, the suction zone further includes by-pass filtration unit；By-pass filtration unit and suction
Enter to be equipped between formula medication unit partition with holes and is connected by connector.
As a further improvement on the present invention, the by-pass filtration unit from outside to inside include filter pulp layer, active carbon layer or
HEPA filter layer；It is equipped with partition with holes between the filter pulp layer, active carbon layer or HEPA filter layer and is connected by connector.
As a further improvement on the present invention, the filter pulp layer is synthetic fibers or the filter pulp of glass fiber filter cotton material
Layer；The active carbon layer is active carbon particle nitride layer；HEPA filter layer is the HEPA filter layer of glass fiber filter paper material.
As a further improvement on the present invention, the suction-type medication unit is mineral salt deposit and absorbent cotton layer；Mineral salt deposit
Including surface be equipped with several through-holes salt box and the mineral salt in salt box, between mineral salt deposit or absorbent cotton layer be equipped with it is with holes every
Piece is simultaneously connected by connector.There are two suction zone is set.
As a further improvement on the present invention, the suction zone further includes fragrant atmosphere layer；The perfume atmosphere layer is set to inhaling-type medicinal
Treat unit side；The perfume atmosphere layer is perfume particle layer or layer of plants.
As a further improvement on the present invention, the suction zone further includes by-pass filtration unit；The by-pass filtration unit
On the outside of suction-type medication unit；The perfume atmosphere layer is set between by-pass filtration unit and suction-type medication unit or set on suction
Enter formula medication unit inside；It is equipped with partition with holes between adjacent by-pass filtration unit, suction-type medication unit or fragrant atmosphere layer.
As a further improvement on the present invention, the connector is connection screw thread, velcro or flat thin magnet.As the present invention
Be further improved, the suction-type medication unit further includes protective device, and the protective device includes buffering area and set on slow
Rush the check valve at area both ends, the check valve is the breather valve of air flow in one direction, the protective device be set to mineral salt deposit or
On the inside of absorbent cotton layer.
As a further improvement on the present invention, it is equipped with partition with holes between the adjacent layer and is connected by connector.
As a further improvement on the present invention, the suction-type medication unit is mineral salt deposit or medicinal salt deposit.
Compared with the prior art, the present invention has the following advantages.
Structure of the invention reasonable design, can be according to different use purposes, by the different units group for adjusting suction zone
Conjunction relationship realizes individual filtration, purification air, suction-type medication unit or filtration, purification air and suction-type medication unit
The requirement of combination.Air enables to the sucking mineral salt of user's convenience to be effectively improved respiratory tract by mineral salt deposit
System, alleviates Respiratory symptoms, and auxiliary treatment respiratory tract is uncomfortable.
When realization multiple filtration purification air when being applied in combination of filtration, purification air and suction-type medication unit, while just
The sucking mineral salt of profit, medicinal salt deposit immerse the absorbent cotton layer of medicine and are effectively improved respiratory system, alleviate Respiratory symptoms,
Mask person realization sucking cleaning, good air are treated to help to wear multi-functional salt, purifies respiratory system, auxiliary treatment respiratory tract
It is uncomfortable.
The mask body of the present invention is flexible plastic material, for keeping multi-functional salt to treat the sealing between mask and air
Property.Suction zone be positioned at multi-functional salt treat mask on cylindrical region, can according to use or therapeutic purposes adjust it is different
Quantity and position are set to multi-functional salt and treat each one of two downside of mask or so, closed according to the combination of different units when generally using
System, can mainly realize makes wearer suck cleaned air for filtering outside air, or makes to incorporate salinity in air, or changes
Kind respiratory system is experienced with breathing.Expiration zone has gas vent, the exhaust gas for human body discharge exhalation.Bandage is connected to mask sheet
Body both sides are fixed on ear both sides for wearer.Inside described in the present invention is close to the side of user's face, outside, that is, phase
The side remote to user's face.The expiration area of the present invention is a check valve, can only exhale and be unable to air-breathing.
The filter pulp layer material of the present invention is synthetic fibers or glass fiber filter cotton, for preliminary big crossed in air filtering
Grain object, main filtration are more than 5 μm of dust particle.Contain a certain number of active carbon particle objects inside active carbon layer, it is main to use
In absorption organic gas, stench and toxicity dust.HEPA filter screens use glass fiber filter paper as filter material, for filter >=
0.3 μm of particle.
Suction-type medication unit is mineral salt deposit, absorbent cotton layer or the protective device for avoiding mineral salt deposit, absorbent cotton layer from making moist.Mine
Object salt deposit is provided with the anticorrosion salt box of said minuscule hole using surface, and air is facilitated to be incorporated in air by and by salt.Salinity gasifies
Out, main component is the sodium chloride of fine particle shape, in addition contains the trace elements such as selenium, iodine, calcium, potassium, magnesium, filtered sky
Gas makes mineral salt vaporization suck respiratory tract on a small quantity with air when human body sucks, and for improving respiratory system, is played to nasal cavity etc.
Anti-inflammation and sterilization acts on.Absorbent cotton layer can be to carrying out suction-type medication to nasal cavity.
The warm-humid air that the purposes behaviour exhalation of the buffering area of protective device is gone can be blocked by the check valve on the inside of buffering area,
But still it has and enters buffering area on a small quantity.Since the transmission of pressure is faster than the transmission speed of steam, do not arrived in warm-humid air slow
When rushing the check valve on the outside of area, the check valve on the outside of buffering area has been switched off, and warm-humid air will retain here, be inhaled next time
It is sucked away when gas.Check valve is the breather valve of air flow in one direction, and air can only enter respiratory tract direction from the external world, film when air-breathing
Piece is opened, and the gas pressure of characteristics of contaminated respiratory droplets closes diaphragm when entering by the filtered fresh air in four layers of front, and exhaling,
To avoid characteristics of contaminated respiratory droplets hot gas by mineral salt or absorbent cotton liquefaction or damp failure.
According to the difference of fragrant atmosphere layer material, buffering area can fill fragrance.Taste experience for improving air sucking, carries
High experience sense.Fragrant atmosphere layer is used to improve taste experience when air sucking, and ingredient can be natural essence, fresh floral leaf or fragrance
Particle, such as peppermint or lemon particle.If nasal cavity for essence allergy but want enjoy fragrance smell, can be by fragrant atmosphere layer
It is substituted into after HEPA layers, sensitizer can be filtered but fragrance can also be retained, if but replacing to active carbon layer later just without perfume
Gas；Before can also fragrant atmosphere layer being substituted into HEPA layers, after active carbon layer.
It is a kind of effective means improving indoor air quality and respiratory disease using mineral salt that salt, which is treated, is promoted new old
Metabolism and bactericidal antiphlogistic effect, but existing salt treats mode and is people and actively breathes the refined salt of the vaporization in the devices such as salt bag, one
As need to grasp, convenience is insufficient.Or the salt of profession is needed to treat room, it expends quite high.Someone is by more work(in the prior art
Can salt treat mask and salt and treat and combines, but since structure design is unreasonable, salt treatment layer moisture-sensitive when in use, when cannot be long
Between use, it is of high cost to be not easy to promote.Multi-functional it can purify air there is presently no a kind of but also realize salt
Treat can the multi-functional salt that uses of convenience treat mask.The multi-functional salt of the present invention treats mask using two check valves and buffering area
Combination, avoiding the warm-humid air of people's exhalation makes the salt of mineral rock stratum of suction-type medication unit or the absorbent cotton of absorbent cotton layer make moist mistake
Effect.The present invention can realize multiple filtration on the basis of salt is treated, and realize the synthetic filter of filter pulp, HEPA, activated carbon.
Description of the drawings
Fig. 1 is the structural schematic diagram that the multi-functional salt of the present invention treats mask.
Fig. 2 is the sectional view for the suction zone that the multi-functional salt of the present invention treats mask.
Fig. 3 is the sectional view that the multi-functional salt of the present invention treats suction zone in the specific implementation mode of mask.
Fig. 4 is 221 structural schematic diagram of mineral salt deposit that the multi-functional salt of the present invention treats mask.
Fig. 5 is 221 sectional view of mineral salt deposit that the multi-functional salt of the present invention treats mask.
In figure：10- mask bodies, the suction zones 20-, 21- by-pass filtration units, 211- filter pulp layers, 212- active carbon layers,
213-HEPA filter layers, 22- suction-type medication units, 221- mineral salt deposits, 222- buffering areas, 223- check valves, 23- it is with holes every
Piece, 24- perfume (or spice) atmosphere layers, 25- protective devices, 30- expiration area, 40- bandages.
Specific implementation mode
The present invention will be further explained with reference to the accompanying drawings and examples.
As shown in Figs. 1-5, a kind of multi-functional salt treats mask, including mask body 10 and tying up set on 10 side of mask body
Band 40, mask body 10 are equipped at least one suction zone 20 and at least one expiration area 30, and mask body 10 is flexiplast
The mask body 10 of material, suction zone 20 are the suction zone of cylinder, and suction zone 20 includes by-pass filtration unit 21 or suction-type
Medication unit 22；Expiration area 30 is equipped with gas vent.
It is to be understood that heretofore described mask body 10 is either usually narrow sense defines lower mask, and also
Can be mask, essence is to provide one for face to be generally isolated the mask of extraneous gas.
Embodiment 1
A kind of multi-functional salt treatment mask, including mask body 10 and the bandage 40 set on 10 side of mask body, mask sheet
Body 10 is equipped at least one suction zone 20 and at least one expiration area 30, and mask body 10 is the mask sheet of flexible plastic material
Body 10, suction zone 20 are the suction zone of cylinder, and suction zone 20 includes suction-type medication unit 22, and suction-type medication unit 22 is
Mineral salt deposit 221 or medicinal salt deposit；Expiration area 30 is equipped with gas vent.
Embodiment 2
A kind of multi-functional salt treatment mask, including mask body 10 and the bandage 40 set on 10 side of mask body, mask sheet
Body 10 is equipped at least one suction zone 20 and at least one expiration area 30, and mask body 10 is the mask sheet of flexible plastic material
Body 10, suction zone 20 are the suction zone of cylinder, and suction zone 20 includes suction-type medication unit 22, and suction-type medication unit 22 is
Mineral salt deposit 221；Expiration area 30 is equipped with gas vent.Suction-type medication unit 22 further includes protective device 25, and protective device 25 wraps
Buffering area 222 and the check valve 223 set on buffering area both ends are included, check valve 223 is the breather valve of air flow in one direction, protection dress
It sets 25 to be set on the inside of mineral salt deposit, check valve is the breather valve of air flow in one direction, and air can only enter respiratory tract side from the external world
It is opened to diaphragm when, air-breathing, the gas pressure of characteristics of contaminated respiratory droplets when entering by the filtered fresh air in four layers of front, and exhaling
Diaphragm is closed, to avoid characteristics of contaminated respiratory droplets hot gas by mineral salt or absorbent cotton liquefaction or damp failure.
Embodiment 3
A kind of multi-functional salt treatment mask, including mask body 10 and the bandage 40 set on 10 side of mask body, mask sheet
Body 10 is equipped at least one suction zone 20 and at least one expiration area 30, and mask body 10 is the mask sheet of flexible plastic material
Body 10, suction zone 20 are the suction zone of cylinder, and suction zone 20 includes by-pass filtration unit 21 or suction-type medication unit 22；It exhales
Gas area 30 is equipped with gas vent.It is equipped with partition 23 with holes between by-pass filtration unit 21 and suction-type medication unit 22 and passes through connection
Part connects.By-pass filtration unit 21 includes filter pulp layer 211, active carbon layer 212 and HEPA filter layer 213 from outside to inside；Filter pulp layer
211, it is equipped with partition 23 with holes between active carbon layer 212 or HEPA filter layer 213 and is connected by connector.Filter pulp layer 211 is
The filter pulp layer of synthetic fibers or glass fiber filter cotton material；Active carbon layer 212 is active carbon particle nitride layer；HEPA filter layer
213 be the HEPA filter layer of glass fiber filter paper material.Suction-type medication unit 22 is mineral salt deposit 221 and protective device 25；
Mineral salt deposit 221 includes the salt box and the mineral salt in salt box that surface is equipped with several through-holes.Protective device includes buffering area
222 and the check valve 223 set on buffering area both ends, check valve 223 is the breather valve of air flow in one direction, and protective device is set to mine
221 inside of object salt deposit, inside is close to the side of user's face, the outside, that is, remote side of relative usage person's face.
Suction zone 20 further includes fragrant atmosphere layer 24；Fragrant atmosphere layer 24 is perfume particle layer or layer of plants.By-pass filtration unit 21 is set
In 22 outside of suction-type medication unit；Fragrant atmosphere layer 24 is set between by-pass filtration unit 21 and suction-type medication unit 22 or is set to
22 inside of suction-type medication unit；It is equipped between adjacent by-pass filtration unit 21, suction-type medication unit 22 or fragrant atmosphere layer 24
Partition 23 with holes.Connector is connection screw thread, velcro or flat thin magnet.It is equipped with partition 23 with holes between adjacent layer and passes through company
Fitting connects, and connector is connection screw thread.
The suction zone of foregoing description is filter pulp layer 211, active carbon layer 212, HEPA filter layer 213, mine successively from outside to inside
Object salt deposit 221, check valve 223, buffering area 222, check valve 223, fragrant atmosphere layer 24.Fragrant atmosphere layer 24 can merge with buffering area 222
It is put into buffering area 222.
Embodiment 4
According to requirements, the structure setting of suction area can be adjusted；Wearer is set to suck when needing filtering outside air
When cleaned air, by-pass filtration unit 21 is only arranged in suction area.When needing to make involvement salinity or improvement respiratory system in air, inhale
Enter area and suction-type medication unit 22 is only set.When needing to be improved breathing experience, fragrant atmosphere layer 24 is only arranged in suction area.When on needs
When stating combined effect, by-pass filtration unit 21, suction-type medication unit 22 and fragrant atmosphere layer 24 can be applied in combination, adjacent cells
Or it is separated by partition 23 with holes between layer and is connected and fixed by connector.Partition 23 with holes be non-woven fabrics material it is with holes every
Piece 23.
Embodiment 5
By-pass filtration unit 21 includes filter pulp layer 211, active carbon layer 212 or HEPA filter layer 213, filter pulp layer from outside to inside
211 be synthetic fibers or the filter pulp layer of glass fiber filter cotton material；For the preliminary large particle crossed in air filtering, main mistake
Dust particle of the filter more than 5 μm；Active carbon layer 212 is active carbon particle nitride layer；Be mainly used for adsorb organic gas, stench and
Toxicity dust；HEPA filter layer 213 is the HEPA filter layer of glass fiber filter paper material.For filtering >=0.3 μm of particle.
It needs the particulate matter filtered different according to requirements, filter pulp layer 211,212 and of active carbon layer can be set
The independent filtering layer of HEPA filter layer 213 uses or the combination of different filter layers, between different layers by partition 23 with holes every
It opens and is connected and fixed by connector.
Embodiment 6
Suction zone 20 further includes fragrant atmosphere layer 24；Fragrant atmosphere layer 24 is set to 22 outside of suction-type medication unit or inside；According to perfume (or spice)
The difference of atmosphere layer material, fragrant atmosphere layer 24 can also be filled in buffering area 222.Fragrant atmosphere layer 24 is perfume particle layer or layer of plants.
By-pass filtration unit 21 is set to 22 outside of suction-type medication unit；Fragrant atmosphere layer 24 is set to by-pass filtration unit 21 and inhales
Enter between formula medication unit 22 or set on 22 inside of suction-type medication unit；Adjacent by-pass filtration unit 21, suction-type medication
It is equipped with partition 23 with holes between unit 22 or fragrant atmosphere layer 24.
Fragrant atmosphere layer 24 is used to improve taste experience when air sucking, and ingredient can be natural essence, fresh floral leaf or perfume (or spice)
Particle is expected, such as peppermint or lemon particle.If nasal cavity for essence allergy but want enjoy fragrance smell, can be by fragrant atmosphere
Layer 24 is substituted into after active carbon layer 212 and HEPA layers 213.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of multi-functional salt treats mask, including mask body and the bandage set on mask body side, it is characterised in that：Mask
Ontology is equipped at least one suction zone and at least one expiration area, and the mask body is the mask sheet of flexible plastic material
Body, the suction zone are the suction zone of cylinder, and the suction zone includes suction-type medication unit；The expiration area is equipped with exhaust
Hole,
The suction-type medication unit further includes protective device, and the protective device includes buffering area and set on buffering area both ends
Check valve, the check valve are the breather valve of air flow in one direction, and the protective device is set to suction-type medication unit inside,
The suction zone further includes by-pass filtration unit；Partition with holes is equipped between by-pass filtration unit and suction-type medication unit
And connected by connector,
The suction-type medication unit is mineral salt deposit and absorbent cotton layer；Mineral salt deposit include surface be equipped with several through-holes salt box and
Mineral salt in salt box is equipped with partition with holes and is connected by connector between mineral salt deposit or absorbent cotton layer.
2. multi-functional salt according to claim 1 treats mask, it is characterised in that：The by-pass filtration unit wraps from outside to inside
Include filter pulp layer, active carbon layer or HEPA filter layer；Partition with holes is equipped between the filter pulp layer, active carbon layer or HEPA filter layer
And it is connected by connector.
3. multi-functional salt according to claim 2 treats mask, it is characterised in that：The filter pulp layer is synthetic fibers or glass
The filter pulp layer of fiber filter cotton material；The active carbon layer is active carbon particle nitride layer；HEPA filter layer is glass fiber filter paper
The HEPA filter layer of material.
4. multi-functional salt according to claim 1 treats mask, it is characterised in that：The suction zone further includes fragrant atmosphere layer；Institute
It states fragrant atmosphere layer and is set to suction-type medication unit side；The perfume atmosphere layer is perfume particle layer or layer of plants.
5. multi-functional salt according to claim 4 treats mask, it is characterised in that：The suction zone further includes by-pass filtration list
Member；The by-pass filtration unit is set on the outside of suction-type medication unit；The perfume atmosphere layer is set to by-pass filtration unit and suction-type
Between medication unit or set on suction-type medication unit inside；Adjacent by-pass filtration unit, suction-type medication unit or fragrant atmosphere
Partition with holes is equipped between layer.
6. treating mask according to the multi-functional salt of claims 1 or 2 any one of them, it is characterised in that：The connector is connection
Screw thread, velcro or flat thin magnet.
7. multi-functional salt according to claim 1 treats mask, it is characterised in that：The suction-type medication unit is mineral salt
Layer or medicinal salt deposit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227552.XA CN106820348B (en) | 2017-04-10 | 2017-04-10 | A kind of multi-functional salt treatment mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227552.XA CN106820348B (en) | 2017-04-10 | 2017-04-10 | A kind of multi-functional salt treatment mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106820348A CN106820348A (en) | 2017-06-13 |
| CN106820348B true CN106820348B (en) | 2018-11-06 |
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ID=59146760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710227552.XA Active CN106820348B (en) | 2017-04-10 | 2017-04-10 | A kind of multi-functional salt treatment mask |
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| CN (1) | CN106820348B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171074A (en) * | 2018-09-28 | 2019-01-11 | 新乡医学院第附属医院 | A kind of medical operating clothing preventing cross-infection |
| US20210361006A1 (en) * | 2020-05-19 | 2021-11-25 | Meiqing Gong | Add Natural Anti-Bacteria and Anti-Virus Material to Mask |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2935272B1 (en) * | 2008-08-26 | 2010-09-03 | Deltalyo & Valmy | MULTILAYER COMPOSITION FOR RESPIRATORY MASK |
| US20120017911A1 (en) * | 2010-07-26 | 2012-01-26 | 3M Innovative Properties Company | Filtering face-piece respirator having foam shaping layer |
| CN202873862U (en) * | 2012-11-12 | 2013-04-17 | 丁凤 | Special antibacterial mask for operating room |
| CN204191641U (en) * | 2014-09-29 | 2015-03-11 | 郑玉林 | Exchangeable mouth mask |
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2017
- 2017-04-10 CN CN201710227552.XA patent/CN106820348B/en active Active
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| CN106820348A (en) | 2017-06-13 |
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