CN103622177B - A kind of mouth mask - Google Patents
A kind of mouth mask Download PDFInfo
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- CN103622177B CN103622177B CN201310456913.XA CN201310456913A CN103622177B CN 103622177 B CN103622177 B CN 103622177B CN 201310456913 A CN201310456913 A CN 201310456913A CN 103622177 B CN103622177 B CN 103622177B
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- mouth mask
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Abstract
The invention discloses a kind of mouth mask, belong to mouth mask technical field.Shown mouth mask comprises: the netted covering part of a filter house, two static electrifications and two ear-hangs, described filter house is arranged on the mouth and nose place of user, two described netted covering part symmetries be arranged on described filter house both sides, two described ear-hangs are separately positioned in two described netted covering parts, and described netted covering part is for connecting described ear-hang and described filter house.The mouth mask provided by the invention covering part covered on the cheek of user both sides is network structure, gas permeability is very good, when using in summer or the higher environment of some temperature, also user can not be made to produce the senses of discomfort such as hotter, and the material that the present invention uses does not produce batting, the effect that the present invention has prevention rhinitis, PM2.5 micron to 5 micron is filtered in dust-proof, the anti-particulate of high efficiency, bacterium, chemical fumes, stop, has range of application widely.
Description
Technical field
The present invention relates to mouth mask technical field, particularly a kind of mouth mask.
Background technology
In order to prevent or reduce dust in air, bacterium by breathing the respiratory apparatus entering human body from mouth and nose, especially in the poor environment of the air purity such as factory, hospital, people are by wearing mouth mask or dust mask is protected.
Common conventional mouth mask comprises the mask body be made into by multilayer gauze mostly, and the edge of mask body is provided with frenulum, and during use, mask body covers on the cheek of the nose of user, mouth and both sides, and frenulum ties up on ear and fixed by mask body.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Existing common mouth mask is made up of multilayer gauze, make mouth mask very thick, and common mouth mask not only covers the mouth and nose of user, also cover on the cheek of user both sides, cause, in summer or the higher environment of some temperature, user being made to produce the senses of discomfort such as hotter; And gauze easily produces tiny batting, user is when breathing, and batting can enter the respiratory system of human body.
Summary of the invention
In order to solve prior art mouth mask thicker, be not suitable for the problem that uses in the environment that temperature is higher, the invention provides a kind of mouth mask.Described technical scheme is as follows:
A kind of mouth mask, it is characterized in that, described mouth mask comprises: the netted covering part of a filter house, two static electrifications and two ear-hangs, described filter house is arranged on the mouth and nose place of user, two described netted covering part symmetries be arranged on described filter house both sides, two described ear-hangs are separately positioned in two described netted covering parts, and described netted covering part is for connecting described ear-hang and described filter house.
Further, described filter house is the netted filtering portion of static electrification.
Further, the grid in described netted filtering portion is less than or equal to the grid of described netted covering part.
Further, described filter house comprises: support portion and at least two-layer static electrification filter cloth, at least two-layer described static electrification filter cloth is separately positioned on the inside and outside both sides of described support portion.
Further, described mouth mask also comprises bridge of the nose muscle, and described bridge of the nose muscle is arranged on top, described support portion, and described bridge of the nose muscle is fitted for making the bridge of the nose of described filter house and user.
Further, described mouth mask also comprises without electrostatic filter layer, the described inner side being arranged on described filter house without electrostatic filter layer.
As preferably, described filter house also comprises patterned layer, and described patterned layer is arranged on the outside of described filter house.
As preferably, described filter house is oval or bottom ellipse jaggy.
As preferably, described mouth mask also comprises periphery, and described periphery is arranged on the periphery of described covering part and described filter house, and described periphery is used for described covering part, described filter house and user face to fit.
As preferably, described periphery is made up of antistatic material.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
Mouth mask provided by the invention, the covering part covered on the cheek of user both sides is designed to network structure, gas permeability is very good, when using in summer or the higher environment of some temperature, also user can not be made to produce the senses of discomfort such as hotter, and covering part of the present invention adopt static electrification material to make, and effectively can adsorb the dust, batting etc. in user's surrounding air, fundamentally improve the filter effect of mouth mask, there is range of application widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of Respirator structure schematic diagram that the embodiment of the present invention provides;
Fig. 2 is the Respirator structure schematic diagram that further embodiment of this invention provides;
Fig. 3 is the Respirator structure schematic diagram that further embodiment of this invention provides;
Fig. 4 is the bridge of the nose muscle position view that further embodiment of this invention provides;
Fig. 5 is the pattern layer structure schematic diagram that further embodiment of this invention provides;
Fig. 6 is the pattern layer structure schematic diagram that further embodiment of this invention provides.
Wherein: 1 filter house, 2 covering parts, 3 ear-hangs, 4 is peripheral, 5 bridge of the nose muscle, 6 patterned layer, 7 grids.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in Figure 1, embodiments provide a kind of mouth mask, described mouth mask comprises: the netted covering part 2 of a filter house 1, two static electrifications and two ear-hangs 3, filter house 1 is arranged on the mouth and nose place of user, when user breathes, contaminant filter in air falls by filter house 1, from decreasing the harmful substance such as the dust entered human respiratory, bacterium to the full extent, netted covering part 2 symmetry be arranged on filter house 1 both sides, cover on two cheeks of user face, covering part 2 is arranged to netted, decrease on user's cheek by area that traditional mouth mask covers, and netted covering part 2 has extraordinary gas permeability, user can be met wear during the broiling summer or in the working environment of high temperature, and the senses of discomfort such as hotter can not be produced, netted covering part 2 adopts static electrification material to make simultaneously, comprise static electrification filament, static electrification fiber cloth etc., the covering part 2 that the present embodiment provides adopts special reinforced static electrification superfine fibre silk to make, effectively can adsorb the dust granules floated in user's surrounding environment, fundamentally decrease the content of dust in air particle, the dust granules entering human respiratory can be reduced to minimum after filtering by portion 1 after filtration again, the netted covering part 2 adopted in the present embodiment has good distortion, the performances such as stretching, be convenient to user adjusts filter house 1 position when wearing mouth mask, two ear-hangs 3 are separately positioned in two netted covering parts 2, ear-hang 3 and filter house 1 link together by netted covering part 2, by two ear-hangs 3 are hung on two ears of user during use, mouth mask is fixed on the face of user, except fixing mouth mask by ear-hang 3, can also arrange tether at the two ends of two netted covering parts 2 respectively, user can fix mouth mask afterwards by the tether of netted covering part 2 is tied up to brain.
The mouth mask provided by the invention covering part 2 covered on the cheek of user both sides is network structure, gas permeability is very good, when using in summer or the higher environment of some temperature, also user can not be made to produce the senses of discomfort such as hotter, and the material that the present invention uses does not produce batting, has range of application widely.
Further, as shown in Figure 2, described filter house 1 is the netted filtering portion 1 of static electrification, described filter house 1 is set to network structure, the oarse-grained foreign material such as the catkin that can effectively float in blocks air, be adapted at using in the larger environment of dust in air particle, described filter house 1 is made up of special reinforced static electrification superfine fibre filter cigarette material simultaneously, effectively can adsorb the dust granules floated in user's surrounding environment, fundamentally decrease the content of dust in air particle, and the harmful substances such as the dust in air, bacterium are filtered.
Further, as shown in Figure 2, also can see Fig. 3, the grid 7 in described netted filtering portion 1 is less than or equal to the grid 7 of described netted covering part 2, the grid 7 of filter house 1 less can particle in filtered air less, the scope be suitable for is larger, not only can be applied in spring plant can produce the floating things such as catkin season use, simultaneously also can in the more factory of dust, can also in sandstorm, the bad weathers such as haze use, impurity particle in air both can filter by the mouth mask with netted filtering portion 1, also there is extraordinary gas permeability, user's sensible heat or unsmooth breath can not be made.
Further, described filter house comprises: support portion and at least two-layer static electrification filter cloth, at least two-layer described static electrification filter cloth is separately positioned on the inside and outside both sides of described support portion, by described support portion, filter house can be supported, filter house and user's face is made to form certain space, user is after wearing mouth mask for a long time, due to breathe out air in certain moisture, these moisture can remain on the filter cloth of mouth mask inner side, filter house is made to become moist, filter house is supported the skin not contacting user, user can be made can not feel well because the filter cloth of the humidity with innermost layer contacts, support portion can be selected softer, the material that elasticity is larger is made, comprise rubber, flexible plastic etc., person easy to use carries, also harder material can be selected to make, comprise duroplasts, PVC etc., not yielding, person easy to use uses for a long time, described support portion is the air permeability model supported by above-mentioned material, both ensure that the supporting role of support portion to filter house, also assures that the gas permeability of mouth mask simultaneously, described filter cloth is made up of permanent electrostatic fiber simultaneously, both can dust in absorbed air, dust in all right filtered air, can effectively the content of the dust in air and bacterium be dropped to minimum, and described filter cloth can be provided with multilayer, be evenly distributed in the both sides of support portion, under the prerequisite ensureing gas permeability, the more filter effects of the number of plies of filter cloth are better, can meet the demand of varying environment.
Further, as shown in Figure 4, described mouth mask also comprises bridge of the nose muscle 5, bridge of the nose muscle 5 is arranged on top, support portion, and bridge of the nose muscle 5 and support portion are fixed together, by arranging bridge of the nose muscle 5, the laminating that filter house 1 is good with the bridge of the nose of user can be made, bridge of the nose muscle 5 adopts the softer and metal not easily got rusty to make, as soft aluminium flake etc., user is when wearing mouth mask, can according to the shape of oneself bridge of the nose, gently pinch bridge of the nose muscle 5, bridge of the nose muscle 5 is fitted tightly with the bridge of the nose of oneself, thus the dust in air and bacterium can not be entered in mouth mask from the gap between mouth mask and the bridge of the nose.
As preferably, described mouth mask also comprises without electrostatic filter layer, the described inner side being arranged on described filter house without electrostatic filter layer, with the direct skin contact of people.For the mouth mask with netted filtering portion; the strainability can strengthening mouth mask without electrostatic filter layer is further set; described employing without electrostatic filter layer is made without electrostatic material; comprise cotton, non-woven fabrics etc.; adopting without electrostatic filter layer of the present embodiment is made without textile material chemically; not only making user feel comfortably cool when wearing, because textile texture material is comparatively soft, can also play a protective role to the skin of face of user.
As preferably, as shown in Figure 5, also can see Fig. 6, described filter house 1 also comprises patterned layer 6, described patterned layer 6 is arranged on the outside of described filter house 1, and described patterned layer 6 adopts high-tech computerized embroidery to make, for latticed filter house 1, described patterned layer 6 is set directly on the grid of described filter house 1, beautifies described mouth mask, for the filter house 1 with support portion and static electrification filter course, described patterned layer 6 be one deck with computerized embroidery without electrostatic material, comprise cotton, non-woven fabrics etc., the described outermost layer being arranged on described filter house 1 without electrostatic material with computerized embroidery, not only described mouth mask is beautified, certain filtration can also be played, make described mouth mask more attractive in appearance than common mouth mask, more meet the aesthetic standards of modern, pattern in described patterned layer comprises the 12 symbolic animals associated with a 12 year cycle, landscape, fruit, personage, surname, phonetic or foreign letter etc., above pattern is formed by luminous silk wadding yarn or the embroidery of common silk wadding yarn, user can according to the hobby unrestricted choice of oneself.
As preferably, as shown in Figure 2, also can see Fig. 3, described filter house 1 is oval or bottom ellipse jaggy, bottom is that oval filter house 1 designs according to organization of human body, the described below of filter house 1 and the lower jaw of user are fitted tightly, bottom is that filter house 1 jaggy is under ensureing the oral area of user to be covered the prerequisite in described filter house 1, by out exposed for most of lower jaw of user, ensure that user is when exchanging, the lower jaw of described mouth mask and described user still fits tightly, user can according to the hobby unrestricted choice of oneself.
As preferably, as shown in Figure 1, described mouth mask also comprises peripheral 4, described peripheral 4 peripheries being arranged on described covering part 2 and described filter house 1, the edge of mouth mask can be made more smooth, feel with making user during user's direct skin contact senses of discomfort such as rubbing, described peripheral 4 for fitting described covering part 2, described filter house 1 with user face.
As preferably, described periphery is made up of antistatic material, and wherein, antistatic material can have multiple, as the material such as silk wadding yarn, cotton thread, can not damage the skin of user.
The mouth mask provided by the invention covering part covered on the cheek of user both sides is network structure, gas permeability is very good, when using in summer or the higher environment of some temperature, also user can not be made to produce the senses of discomfort such as hotter, the present invention simultaneously has the effect of high efficiency dust-proof, anti-particulate, at 2.5 microns of particles to 5 micrometer ranges, all there is good stop filterability to PM2.5 and diameter, and the material that the present invention uses does not produce batting, has range of application widely.
The present invention is a kind of unique mouth mask i.e. safety and environmental protection but also beautiful generous.
Mouth mask has certain filtration to the air entering lung, when respiratory infectious disease is popular, in the environment that dust etc. pollutes during operation, wears masks and has extraordinary effect.
What use mouth mask in the world at first is China.Ancient times, when people run into pollute and dust time, only know and cover mouth and nose with hand or sleeve, as " gift is dredged " carries: " cover mouth, fear gas and touch people." " Mencius is from Lou " note: " Xizi, a famous beauty in the late Spring and Autumn Period family is unclean, then people all passes by, holding one's nose it.”
It is very antihygienic for sealing nose with hand or sleeve, is also inconvenient to do other things, has people just to cover mouth and nose with one piece of silk afterwards.Marco Polo in book at his " Marco Polos travelogue " one, describes him and lives in China's information of 17 years.Wherein there is one: " in the Yuan Dynasty palace, offer the people of food, all cover mouth mask with silk, in order to do its breath, do not touch the thing of diet." such silk covering mouth and nose, namely original mouth mask.
From the physiological structure of people, because the bronchia mucosal blood circulation of people is very vigorous, the passage in nasal cavity is very tortuous again, and vibrissa structure rises " barrier " of one filtration.When air intake nostril, air-flow forms one vortex in the passage of complications, and the air-flow of suction nasal cavity is heated.Someone tests and shows, when the cold air via intranasal application of subzero 7 degrees Celsius is sucked lung, its air-flow has been heated to 28.8 degrees Celsius, and this is just in close proximity to the temperature of human body.If worn masks for a long time, schneiderian membrance can be made to become fragile, lose original physiological function of nasal cavity, therefore can not wear masks for a long time.Mouth mask can only wear use in special environment, such as many people, airless place.Certainly, walking in the wild, for resisting dust storm and cold, or there being activity in air-polluting environment, need to put on mouth mask, but the time is unsuitable long.In addition, in influenza pandemic season, go to the public place that may there is a large amount of pathogen, also this puts on mouth mask.Wear masks one of method of just preventing respiratory infectious disease, the most important thing is to keep good habits and customs.
What use mouth mask in the world at first is China.In ancient times, the people in imperial palace starts use silk scarf covering to prevent dust and implication from polluting, Cai up to 19th century mouth mask invented and start to be applied to medical field.But become now requisite article in people's life, also no longer just dust or the implication of stop, and be more usually used in stopping germ.
13 beginnings of the century, mouth mask only comes across Chinese imperial palace.Waiter be prevent breath from passing to emperor food on employ a kind of silk and gold line vehement become towel make mouth mask.
In 19 end of the centurys, mouth mask starts to be applied to medical care field.Germany pathology expert Rider very starts suggestion medical personnel and uses gauze cover tool to prevent bacteriological infection.
20 beginnings of the century, mouth mask becomes popular life necessary article first.The spanish influenza have swept the globe has seized the life of about 5,000 ten thousand people, and general population is required to resist virus with mouth mask.
Middle and later periods in 20th century, the extensive access times of mouth mask are obviously frequent.In all previous large influenza gone down in history, mouth mask is played an important role several times in prevention and blocking-up pathogen transmission.
1897, German Mei get Qi introduced everybody a kind of bundle mouth and nose to the method preventing bacterium from invading.After, someone has made a kind of mouth mask of six layers of gauze again, is sewn on collar.It is passable that used time covers mouth and nose once turning over., this mouth mask is pinned with hand always, extremely inconvenient.Someone had found out and had tied up on ear with belt again afterwards, and this has just become the mouth mask that today, people often used.
When 2003, China there occurs the infection of SARS disease, and at this moment mouth mask also reaches prosperous.
2003, using and popularizing of mouth mask reached new upsurge, and a SARS almost makes mouth mask once out of stock, and Ge great pharmacy arranges long troop in front of the door, and people fall over each other to rush to purchase mouth mask.
2009, after " bird flu " of 2004, " first H1N1 influenza " allowed mouth mask main forces occur again to the world.
Since China is in recent years also from generation chemical fumes in various degree, such as: haze phenomenon etc.Its main cause, other the chemically smog such as dust, factory, discarded, mine dust.Especially the exhaust emission of car tail gas.
The major pollutants of motor vehicle exhaust emission are carbon monoxide (CO), hydrocarbon (HC), nitrogen oxide (NOX), plumbous (Pb) etc.
Carbon monoxide: the hemoglobin in carbon monoxide and human erythrovirus has very strong affinity, its affinity is stronger than oxygen tens times, carbonyl haemoglobin (COHb%) is generated after affinity, thus slacken blood to each function organizing delivery of oxygen, cause the dysfunctions such as sensation, reaction, understanding, memory, severe one harm blood circulation system, causes life dangerous.
Nitrogen oxide: nitrogen oxide mainly refers to NO, NO2, is all that harmful gas is stopped, particularly has harm to respiratory system.Be expose 10 minutes in the air of 9.4mg/m2 (5ppm) in NO2 concentration, respiratory system can be caused to lack of proper care.
Hydrocarbon: at present not clear it to the direct harm of health.But HC and NOX produces a kind of photochemical reaction of complexity, generates a kind of new pollutant after irradiating by strong solar ultraviolet in atmospheric environment---photochemical fog.The photochemical fog that December nineteen fifty-two, London occurred, in 4 days, death toll more long-term same period about many 4000, the death of more than 45 years old at most, is about 3 times at ordinary times; Less than 1 year old 2 times that are about at ordinary times.In one week that event occurs, because bronchitis, coronary heart disease, pulmonary tuberculosis and the person's of having a weak heart death are respectively 9.3 times, 2.4 times, 5.5 times and 2.8 times of event similar death toll the last week.
The height of the dust collection efficiency of mouth mask is with it to fine dust, especially to 2.5---the barriering efficiency of the respirable dust between 5 microns is standard.Because the dust of this particle diameter directly can enter alveolar, that causes health has the greatest impact.General cotton cloth respirator, its resistance dirt principle is mechanical filtration, exactly when dust collides gauze, through obstruct from level to level, is intercepted in gauze by some big dust particles.But, to some fine dusts, being especially less than the dust of 2.5 to 5 microns, through going from the mesh of gauze, respiratory system will being entered.Now there are some anti-dust respirators abroad, its filtrate is by filling the fibrous of permanent electrostatic with, those respirable dusts being less than 2.5 to 5 microns, through in the process of this kind of filtrate, are electrostatically attracted and absorption captures fine dust at filtrate, really play the effect of resistance dirt.
Air is just as current, and where resistance is little just first to where flowing.The hood-shaped shape of very moment and face not closely sealed, the danger in air equally can never closely sealed place leak, and enters the respiratory tract of people.So, even if you select the mouth mask that filtrate is good again.Also your health cannot be ensured.Present external many statutory standard regulations, workman should regularly carry out the test of mouth mask adaptation.Object is to ensure that workman selects the mouth mask of suitable size and wears mouth mask by correct step.
Require that respiratory resistance is little, weight wants light, wears health, easy maintenance.Such work talent conference is gladly adhered to wearing in workplace and is improved its operating efficiency.Now external maintenance type of exempting from mouth mask, need not clean or change parts, namely abandons, so not only ensure the health of mouth mask but also eliminate the time and efforts that workman maintains mouth mask after the saturated or mouth mask of resistance dirt is damaged.And many mouth masks all adopt arcuate in shape, can ensure and enter the closely sealed of face shape and well can retain certain space at mouth and nose place again, wearing comfortable.
The severe contamination of air along with the change of air quality, some crowds do not wear voluntarily yet and muzzle, and some people also takes on mouth, and nose exposes, and loses the action and function of band mouth mask.Real become " mouth mask "
Mouth mask material of the present invention is environmental and durable, air filtering type mask, wears convenience, new style, uniqueness, generous.The interest that improve consumer is worn with specialty, thus reaches health purpose.
Feature of the present invention:
High-tech air permeability model is equipped with in inside; can make easily the bridge of the nose and mouth mask closely sealed; prevent particulate from infiltrating; adopt special reinforced electrostatic superfine fibre filter cigarette material; filtering material has 4 metafiltration films to protect anti-microparticle surfaces to be attached to face mutually; face adopts non-woven fabrics, and there is filter screen centre, and filter screen and one deck are by filling permanent electrostatic fiber with.2nd layer is high-tech air permeability model, and the present invention is furnished with the senior nothing chemically net that is made into of cotton textiles, 12 zodiac logos that mouth mask front is furnished with assorted shining color cotton thread and embroiders and other pattern (personage, landscape, fruit, trees etc.) bridge of the nose muscle installs upside in mouth mask, is namely ear-hang after net.Mouth mask of the present invention carries out scientific reform to nose areas and face shape, and closely sealed be furnished with external network and pull sealing.
The effect that the present invention has prevention rhinitis, PM2.5 micron to 5 micron is filtered in dust-proof, the anti-particulate of high efficiency, bacterium, chemical fumes, stop, has range of application widely.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a mouth mask, it is characterized in that, described mouth mask comprises: the netted covering part of a filter house, two static electrifications and two ear-hangs, described filter house is arranged on the mouth and nose place of user, two described netted covering part symmetries be arranged on described filter house both sides, two described ear-hangs are separately positioned in two described netted covering parts, and described netted covering part is for connecting described ear-hang and described filter house;
Described filter house is the netted filtering portion of static electrification, and the grid in described netted filtering portion is less than the grid of described netted covering part;
Described netted covering part adopts static electrification material to make.
2. mouth mask according to claim 1, is characterized in that, described filter house comprises: support portion and at least two-layer static electrification filter cloth, at least two-layer described static electrification filter cloth is separately positioned on the inside and outside both sides of described support portion.
3. mouth mask according to claim 2, is characterized in that, described mouth mask also comprises bridge of the nose muscle, and described bridge of the nose muscle is arranged on the top of described support portion, and described bridge of the nose muscle is fitted for making the bridge of the nose of described filter house and user.
4. the mouth mask according to any one of claim 1-3, is characterized in that, described mouth mask also comprises without electrostatic filter layer, the described inner side being arranged on described filter house without electrostatic filter layer.
5. mouth mask according to claim 4, is characterized in that, described mouth mask also comprises patterned layer, and described patterned layer is arranged on the outside of described filter house.
6. mouth mask according to claim 5, is characterized in that, described filter house is oval or bottom ellipse jaggy.
7. mouth mask according to claim 6, it is characterized in that, described mouth mask also comprises periphery, and described periphery is arranged on the periphery of two described netted covering parts and described filter house, and described periphery is used for making two described netted covering parts, described filter house is fitted with user face respectively.
8. mouth mask according to claim 7, is characterized in that, described periphery is made up of antistatic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456913.XA CN103622177B (en) | 2013-09-29 | 2013-09-29 | A kind of mouth mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456913.XA CN103622177B (en) | 2013-09-29 | 2013-09-29 | A kind of mouth mask |
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| Publication Number | Publication Date |
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| CN103622177A CN103622177A (en) | 2014-03-12 |
| CN103622177B true CN103622177B (en) | 2015-11-18 |
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| CN201310456913.XA Expired - Fee Related CN103622177B (en) | 2013-09-29 | 2013-09-29 | A kind of mouth mask |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104548404B (en) * | 2015-01-16 | 2019-06-18 | 天瑞联创（北京）科技发展有限公司 | The air-filtering mask of built-in breather valve and fan |
| CN104799451A (en) * | 2015-04-30 | 2015-07-29 | 沈阳建筑大学 | Short-circuit prevention respirator |
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| CN202552239U (en) * | 2012-03-30 | 2012-11-28 | 苏州新纶超净技术有限公司 | Planar foldable mask |
| CN202714223U (en) * | 2012-08-09 | 2013-02-06 | 魏鹏晨 | Stereo respirator |
| CN203538425U (en) * | 2013-09-29 | 2014-04-16 | 孙金良 | Mask |
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- 2013-09-29 CN CN201310456913.XA patent/CN103622177B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA008900B1 (en) * | 2003-06-06 | 2007-08-31 | Больдюк Леру Инк. | Microbicidal air filter |
| CN2847894Y (en) * | 2005-09-16 | 2006-12-20 | 曹海芹 | Lower respiration resistance dust proof mask |
| CN200991514Y (en) * | 2006-12-30 | 2007-12-19 | 上海大胜卫生用品制造有限公司 | Mask with graticule-fabric as bracing frame |
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| CN201869814U (en) * | 2010-10-21 | 2011-06-22 | 陈琳彬 | Mask |
| CN202489232U (en) * | 2012-03-27 | 2012-10-17 | 浙江安南炭业科技有限公司 | Children bamboo charcoal respirator |
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| CN103622177A (en) | 2014-03-12 |
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