CN106730459A - Electronic helping with safety warning function inhales haze mouth mask - Google Patents
Electronic helping with safety warning function inhales haze mouth mask Download PDFInfo
- Publication number
- CN106730459A CN106730459A CN201710139900.8A CN201710139900A CN106730459A CN 106730459 A CN106730459 A CN 106730459A CN 201710139900 A CN201710139900 A CN 201710139900A CN 106730459 A CN106730459 A CN 106730459A
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- China
- Prior art keywords
- mouth mask
- whistle
- air
- mouth
- circular column
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
A kind of electronic helping with safety warning function is provided and inhales haze mouth mask, with the overanxious instrument of air and mouth mask, the mouth mask side is provided with the overanxious instrument of air and the air outlet of the overanxious instrument of air is connected with the air compartment that goes out inside mouth mask, mouth mask middle part be provided with it is unidirectional blow a whistle device and unidirectional device of blowing a whistle is correspondingly arranged with the mouth of wearer, described unidirectionally blowing a whistle realizes operation of the wearer to whistle after device is connected with whistle.The present invention by the way that air filtration instrument and mouth mask are set into one on the premise of unidirectionally blowing a whistle device of being connected with outside whistle is set up on mouth mask, ensure that extraneous air can not be entered under conditions of mouth mask by device of unidirectionally blowing a whistle, wearer is set to be operated to whistle at any time, wear and facilitate attractive in appearance, it is effectively isolated fog, the defect for avoiding fog from not seeing the crowd for wearing glasses, ensure the normal operation of traffic police's point duty work, the 3M reflectors set up simultaneously provide security warning for driving at night crowd, improve the security reliability of wearer.
Description
Technical field
The invention belongs to technical field of air purification, and in particular to a kind of electronic helping with safety warning function inhales antifog
Haze mouth mask.
Background technology
Harm of the haze weather to human body has a lot, during haze can be directly sucked in and stick to human respiratory tract and alveolar, draws
The illnesss such as acute rhinitis and acute bronchitis are played, if being chronically at this environment can also induce lung cancer, in addition, haze sky pair
The influence of human body cardiovascular disease is also very serious, can hinder normal blood circulation, and than relatively low, people can produce one to thick fog air pressure
Irritated sensation is planted, blood pressure can increase naturally, therefore, it is necessary that haze weather wears mouth mask.What current people wore
Haze mouth mask is all that the harmful components such as PM2.5 in air are filtered using filtering material, but this kind of mouth mask filtering material all compares
Thicker, pressure drag than larger, wear and cover mouth and nose by mouth mask, completely cuts off haze, for the crowd that increases respiratory capacity because of motion
Speech, it is not enough that this kind of mouth mask can supply oxygen, feels stuffy, be not suitable for such crowd and use；Xin's wind for occurring in the market
Though carry-on air casket can solve the not enough defect of oxygen supply, the air filter of this kind of mouth mask is separated with mouth mask, is worn
Wear it is inconvenient, influence wear aesthetic property；And the haze mouth mask that other pressure fan are integrated with mouth mask, there is row after use
Gas defect, the people for wearing glasses usually can cause sight obstruction using this kind of haze mouth mask in glasses upper cover last layer fog, due to
Pressure fan can make the fog inside mouth mask enter pressure fan, to pressure fan with mouth mask is for integral type structure and there are venting deficiencies
Working environment produce influence；And above-mentioned all kinds of haze mouth masks, for long-term work is in outdoor traffic police, wear this kind
The alert whistle cannot be blowed to after mouth mask, is that road traffic commander's work of traffic police is made troubles, this is worn simultaneously for traffic police or night
For the people of mouth mask, such mouth mask cannot provide security warning for driving at night crowd, it is impossible to which reducing night wears mouth mask people
The danger coefficient of group；In sum, it is necessary to be improved.
The content of the invention
Present invention solves the technical problem that：A kind of electronic helping with safety warning function is provided and inhales haze mouth mask, lead to
The unidirectional device of blowing a whistle set up on mouth mask on the premise of air filtration instrument and mouth mask are set into one and be connected with outside whistle is crossed,
Ensure that extraneous air can not be entered under conditions of mouth mask by device of unidirectionally blowing a whistle, wearer is operated to whistle at any time,
Simple structure, it is easy for installation, wear and facilitate attractive in appearance, it is effectively isolated fog, it is to avoid fog makes what the crowd for wearing glasses did not saw
Defect, it is ensured that the normal operation of traffic police's point duty work, while the 3M reflectors set up provide safety for driving at night crowd
Warning, improves the security reliability of wearer.
The technical solution adopted by the present invention：Electronic helping with safety warning function inhales haze mouth mask, with air mistake
Consider instrument and mouth mask, the mouth mask side is provided with the overanxious instrument of air and the air outlet of the overanxious instrument of air and the air-out inside mouth mask
Room connects, and the mouth mask is provided with the 3M reflective membranes of safety instruction effect and mouth mask inwall upper edge is provided with every mist film, the mouth
Cover middle part be provided with it is unidirectional blow a whistle device and unidirectional device of blowing a whistle is correspondingly arranged with the mouth of wearer, it is described it is unidirectional blow a whistle device and
Operation of the wearer to whistle is realized after whistle connection.
Wherein, it is described go out air compartment outer wall be provided with some targeting ports and targeting port opening towards wearer's nose set,
The targeting port is provided with the catch for blocking fog, and the mouth mask opposite side is provided with exhaust outlet.
Further, the unidirectional device of blowing a whistle includes the circular column with bottom surface, dividing plate, blow gun, rubber sheet gasket and sealing
Lid, the circular column upper end and mouth mask inside connects and is fixed in the middle part of mouth mask and circular column lower end is set outwardly, the annular
Post upper end is provided with blow gun and blow gun lower end is connected as one by soft connector and circular column, and the dividing plate is located at blow gun lower section
And be fixedly connected with circular column, some ventholes and the rounded distribution of venthole are formed with the dividing plate, in the rubber sheet gasket
Venthole is blocked after portion is fixed on dividing plate and rubber sheet gasket edge is fitted with dividing plate, is formed with and the whistle on the circular column bottom surface
The mounting hole and the interior gas for realizing being blown into circular column of whistle mouth insertion mounting hole that sub- mouth is adapted blow whistle through dividing plate,
It is formed with the closure in the sealing column and sealing column insertion mounting hole being adapted with mounting hole and is sealed against.
Further, the circular column and blow gun are silica gel material and are made, and the outlet hole number in the middle part of the dividing plate is big
In the outlet hole number at dividing plate two ends, the connector is made up of air-locked soft material.
Further, the connector is in circular column and be tightly connected removable with circular column is integrated.
Further, the overanxious instrument exposed face of the air is provided with 3M reflective membranes, and the mouth mask outer surface is provided with along edge
The 3M reflective membranes of T-shaped structure, the diaphragm seal is made up of silica gel material.
Present invention advantage compared with prior art：
1st, by setting up on mouth mask the unidirectional device of blowing a whistle being connected with outside whistle, make wearer can at any time to mouth mask outside
The whistle in portion is operated, it is ensured that the normal operation of traffic police's point duty work, and device of unidirectionally blowing a whistle can be incited somebody to action by rubber sheet gasket
Extraneous air is blocked in outside mouth mask, effectively intercepts outside contaminated air, it is ensured that wearer sucks the quality of air；
2nd, air filtration instrument and mouth mask are set to integral structure, good appearance and are worn conveniently, located at air-out chamber outer wall
On catch can effectively stop fog in mouth mask, it is to avoid fog air inlet filtrator, it is ensured that air filtration instrument normal safe
Work；
3rd, the 3M reflectors set up outside mouth mask, while providing security warning for driving at night crowd, raising is worn
The security reliability of person, with use value very high；
4th, eliminated due to the sight line that fog is caused along the upper fog that can be effectively isolated every mist film in mouth mask in mouth mask
Obstacle；
5th, simple structure, easy installation and removal, the 3M reflective membranes on mouth mask are T-shaped structure, and that as " stops " is hand-written
Letter, effectively prompting driving at night crowd brake are gone slowly, and air filtration instrument is to provide endlessly to cross air filtering in mouth mask, is disappeared
Produce oxygen supply not enough and stuffy sensation after wearing mouth mask except people, for people's trip, outdoor exercises, normal work are provided
The breathing condition of health.
Brief description of the drawings
Fig. 1 is positive structure schematic of the present invention；
Fig. 2 is invention reverse structure schematic of the present invention；
Fig. 3 is connecting pole structural representation of the present invention；
Fig. 4 is the structural representation that blow gun of the present invention is reduced in connecting pole；
Fig. 5 is sealing cover structure schematic diagram of the present invention.
Specific embodiment
1-5 describes a kind of embodiment of the invention below in conjunction with the accompanying drawings.
Electronic helping with safety warning function inhales haze mouth mask, and with the overanxious instrument 1 of air and mouth mask 3, its feature exists
In：The side of the mouth mask 3 is provided with the overanxious instrument 1 of air and the air outlet 12 of the overanxious instrument 1 of air goes out air compartment with inside mouth mask 3
13 connections, the mouth mask 3 is provided with the 3M reflective membranes 4 of safety instruction effect and the inwall upper edge of mouth mask 3 is provided with every mist film 15, institute
State the middle part of mouth mask 3 be provided with it is unidirectional blow a whistle device and unidirectional device of blowing a whistle is correspondingly arranged with the mouth of wearer, it is described unidirectionally to blow a whistle
Device realizes operation of the wearer to whistle after being connected with whistle；Specifically, it is described go out air compartment 13 outer wall be provided with some leading
It is open to mouth 14 and targeting port 14 and set towards wearer's nose, the targeting port 14 is provided with the catch for blocking fog, described
The opposite side of mouth mask 3 is provided with exhaust outlet 2；Specifically, the unidirectional device of blowing a whistle includes the circular column 5 with bottom surface, dividing plate 6, blow gun
7th, rubber sheet gasket 8 and closure 16, the upper end of the circular column 5 connect with the inside of mouth mask 3 and are fixed on the middle part of mouth mask 3 and circular column
5 lower ends are set outwardly, and the upper end of the circular column 5 is provided with blow gun 7 and the lower end of blow gun 7 is connected by soft connector 9 with circular column 5
It is integrated, the dividing plate 6 is located at the lower section of blow gun 7 and is fixedly connected with circular column 5, and some ventholes 10 are formed with the dividing plate 6
And the rounded distribution of venthole 10, the middle part of the rubber sheet gasket 8 is fixed on dividing plate 6 and the edge of rubber sheet gasket 8 is fitted with dividing plate 6
Venthole 10 is blocked afterwards, the mounting hole 11 and whistle mouth insertion peace being adapted with whistle mouth are formed with the bottom surface of the circular column 5
Realize that the gas being blown into circular column 5 blows whistle through dividing plate 6 in dress hole 11, be formed with the closure 16 and mounting hole 11
It is sealed against in sealing column 17 and sealing column 17 the insertion mounting hole 11 being adapted；Specifically, the circular column 5 and blow gun 7 are equal
By silica gel material is made, venthole 10 quantity of the quantity of venthole 10 more than the two ends of dividing plate 6 at the middle part of the dividing plate 6, the company
Fitting 9 is made up of air-locked soft material；Specifically, the connector 9 is in circular column 5 and removable with circular column 5
It is tightly connected and is integrated；Specifically, the overanxious exposed face of instrument 1 of air is provided with 3M reflective membranes 4, the outer surface of the mouth mask 3 is along side
The 3M reflective membranes 4 of T-shaped structure are provided with along place, the diaphragm seal 15 is made up of silica gel material.
The present invention is first opened closure 16 when using whistle, after honeybee post is separated with mounting hole 11, whistle mouth
Is installed in insertion mounting hole 11, blow gun 7 is pulled out from the upper end of connecting pole 5, mouth mask 3 is worn on mouth mask 3 after human body face afterwards
Clip adjust, now, wearer's face and bridge of the nose both sides are affixed on every mist film 15, wearer's mouth holds blow gun 7 in the month afterwards, so
Starting air filtration instrument 1 afterwards makes air filtration instrument 1 provide pure air for wearer, and the air in air filtration instrument 1 is through air-out
Mouth 12 is drained into out in air compartment 13, and the targeting port 14 for being located at out the outside wall surface of air compartment 13 changes air flow direction, it is to avoid air-flow is blowed to be worn
Person face and cause uncomfortable phenomenon, while ensure filtering after air deliver to nose areas, the catch on targeting port 14 can
Effectively intercept in the fog air inlet filtrator 1 of wearer's exhalation, it is ensured that the work of the normal safe of air filtration instrument 1, wear
When person needs to blow whistle, wearer blows to blow gun 7, by blow gun 7 into the air in connecting pole 5 through the outlet on dividing plate 6
After the edge of rubber sheet gasket 8 of the bottom surface of dividing plate 6 is blown afloat in hole 10, gas enters the lower end of connecting pole 5, and the gas of the lower end of connecting pole 5 enters
Whistle is blowed after entering the whistle mouth being connected with mounting hole 11, completes operation of the wearer to whistle, and extraneous air is either
Wearer inhales blow gun 7 or enters connecting pole 5 by outside whistle gas outlet by mistake, cannot be introduced into inside mouth mask 3, and wearer misses suction and blows
After mouth 7, extraneous air is entered inside the lower end of connecting pole 5 by whistle gas outlet, and now, extraneous air is acted on rubber sheet gasket 8
Rubber sheet gasket 8 is set to be close to the bottom surface of dividing plate 6, so that isolated extraneous air by rubber sheet gasket 8, therefore, mouth mask 3 has been effectively ensured
Interior air quality, if need not use whistle, takes mouth mask 3, and blow gun 7 is pressed into inside the upper end of connecting pole 5, then pulls up the whistle
After sealing column 17 on closure 16 is inserted the interior sealing of mounting hole 11 by son, mouth mask 3 is worn again.The present invention is by mouth
The unidirectional device of blowing a whistle being connected with outside whistle is set up on cover 3, wearer is grasped to the whistle outside mouth mask 3 at any time
Make, it is ensured that can be blocked in for extraneous air by rubber sheet gasket 8 by the normal operation of traffic police's point duty work, device of unidirectionally blowing a whistle
Outside mouth mask 3, outside contaminated air is effectively intercepted, it is ensured that wearer sucks the quality of air, by air filtration instrument 1 and mouth
It is integral type structure that cover sets 3, good appearance and wears convenience, and the catch being located at out on the outer wall of air compartment 13 can effectively stop mouth mask 3
Interior fog, it is to avoid fog air inlet filtrator 1, it is ensured that the normal safe of air filtration instrument 1 works, and is set up outside mouth mask 3
3M reflectors 4, while providing security warning for driving at night crowd, improve wearer security reliability, with very high
Use value, the fog in mouth mask 3 can be effectively isolated every mist film 15 along upper in the mouth mask 3, eliminate because fog is caused
Sight obstruction, simple structure, easy installation and removal, 3M reflective membranes 4 on mouth mask are T-shaped structure, the hand for as " stopping "
Write mother, and effectively prompting driving at night crowd brake is gone slowly, and air filtration instrument 1 is to provide endlessly filter empty in mouth mask 3
Gas, eliminates after people wear mouth mask 3 and produces oxygen supply not enough and stuffy sensation, is people's trip, outdoor exercises, normal work
Make to provide healthy breathing condition, blow gun 7 can be not only blowed outside the whistle being connected with mounting hole 11, can also be by blow gun 7 to not
The outside of mounting hole 11 being connected with whistle is blown, people's ventilation volume big demand when meeting motion, and the connector 9 with blow gun 7 can
Use requirement according to wearer chooses whether to install, and so as to meet demand of the different wearers to mouth mask 3, expands mouth mask 3
Application field and scope.
Above-described embodiment, simply presently preferred embodiments of the present invention, not for limiting the scope of the present invention, thus it is all with this
The equivalence changes that content described in invention claim is done, all should be included within scope of the invention as claimed.
Claims (6)
1. electronic the helping with safety warning function inhales haze mouth mask, with the overanxious instrument of air (1) and mouth mask (3), its feature
It is：Mouth mask (3) side be provided with the overanxious instrument of air (1) and the air outlet (12) of the overanxious instrument of air (1) with located at mouth mask (3)
Internal goes out air compartment (13) connection, and the mouth mask (3) is provided with the 3M reflective membranes (4) and mouth mask (3) inwall of safety instruction effect
Upper edge is provided with every mist film (15), and mouth mask (3) middle part is provided with unidirectional blow a whistle device and unidirectional blow a whistle device and wearer's
Mouth is correspondingly arranged, and unidirectional the blowing a whistle realizes operation of the wearer to whistle after device is connected with whistle.
2. electronic the helping with safety warning function according to claim 1 inhales haze mouth mask, it is characterised in that：It is described
Go out air compartment (13) outer wall be provided with some targeting ports (14) and targeting port (14) opening towards wearer's nose set, it is described to lead
The catch for blocking fog is provided with to mouth (14), mouth mask (3) opposite side is provided with exhaust outlet (2).
3. electronic the helping with safety warning function according to claim 1 inhales haze mouth mask, it is characterised in that：It is described
Unidirectional device of blowing a whistle includes the circular column (5) with bottom surface, dividing plate (6), blow gun (7), rubber sheet gasket (8) and closure (16), institute
State and connect inside circular column (5) upper end and mouth mask (3) and be fixed in the middle part of mouth mask (3) and circular column (5) lower end is set outwardly, institute
State circular column (5) upper end and be provided with blow gun (7) and blow gun (7) lower end and be connected as one by soft connector (9) and circular column (5)
Body, the dividing plate (6) is fixedly connected positioned at blow gun (7) lower section and with circular column (5), and some outlets are formed with the dividing plate (6)
Hole (10) and venthole (10) rounded distribution, rubber sheet gasket (8) middle part are fixed on dividing plate (6) and rubber sheet gasket (8)
Venthole (10) is blocked after being fitted with dividing plate (6) in edge, and the peace being adapted with whistle mouth is formed with circular column (5) bottom surface
Realize that the gas being blown into circular column (5) blows whistle through dividing plate (6) in dress hole (11) and whistle mouth insertion mounting hole (11),
The sealing column (17) and sealing column (17) insertion mounting hole (11) being adapted with mounting hole (11) are formed with the closure (16)
Inside it is sealed against.
4. electronic the helping with safety warning function according to claim 3 inhales haze mouth mask, it is characterised in that：It is described
Circular column (5) and blow gun (7) are silica gel material and are made, and venthole (10) quantity in the middle part of the dividing plate (6) is more than dividing plate (6)
Venthole (10) quantity at two ends, the connector (9) is made up of air-locked soft material.
5. electronic the helping with safety warning function according to claim 4 inhales haze mouth mask, it is characterised in that：It is described
Connector (9) is integrated in circular column (5) and with circular column (5) removable being tightly connected.
6. electronic the helping with safety warning function according to claim 1 inhales haze mouth mask, it is characterised in that：It is described
Air overanxious instrument (1) exposed face is provided with 3M reflective membranes (4), and mouth mask (3) outer surface is provided with the 3M of T-shaped structure along edge
Reflective membrane (4), the diaphragm seal (15) is made up of silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139900.8A CN106730459A (en) | 2017-03-10 | 2017-03-10 | Electronic helping with safety warning function inhales haze mouth mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139900.8A CN106730459A (en) | 2017-03-10 | 2017-03-10 | Electronic helping with safety warning function inhales haze mouth mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106730459A true CN106730459A (en) | 2017-05-31 |
Family
ID=58962265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710139900.8A Pending CN106730459A (en) | 2017-03-10 | 2017-03-10 | Electronic helping with safety warning function inhales haze mouth mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106730459A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107692373A (en) * | 2017-09-20 | 2018-02-16 | 张珊珊 | The electronic haze mouth mask of having electronic whistle |
| CN108576971A (en) * | 2018-05-17 | 2018-09-28 | 戴子博 | A kind of mask for having whistle worn convenient for traffic police |
| US20200316413A1 (en) * | 2017-12-22 | 2020-10-08 | Respro (UK) Limited | Face mask filter holder |
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| EP2106825A1 (en) * | 2008-04-04 | 2009-10-07 | MSA Auer GmbH | Hood for a protective mask |
| CN103169176A (en) * | 2013-03-23 | 2013-06-26 | 钟祥 | Multifunctional mask |
| CN203860501U (en) * | 2014-05-23 | 2014-10-08 | 上海舒爽材料科技有限公司 | Antibacterial dustproof mouth mask with sound amplifying function |
| CN203897349U (en) * | 2013-08-29 | 2014-10-29 | 左国刚 | Mask with air filter and breathing auxiliary purification system with mask |
| KR20140145758A (en) * | 2013-06-14 | 2014-12-24 | 김정섭 | Mask |
| CN204120288U (en) * | 2014-10-17 | 2015-01-28 | 3M中国有限公司 | Mouth mask, mouth mask assembly |
| CN104524709A (en) * | 2014-12-18 | 2015-04-22 | 西安蓝钻电子科技有限公司 | Gas and smoke dust preventing mask |
| CN205411955U (en) * | 2016-02-02 | 2016-08-03 | 苏州全睿智能科技有限公司 | Intelligence water conservancy diversion gauze mask |
| CN106110534A (en) * | 2016-08-17 | 2016-11-16 | 北京爱莫生健康科技有限公司 | A kind of breath mask |
| CN206566377U (en) * | 2017-03-10 | 2017-10-20 | 宝鸡市交通信息工程研究所 | Electronic help with safety warning function inhales haze mouth mask |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2106825A1 (en) * | 2008-04-04 | 2009-10-07 | MSA Auer GmbH | Hood for a protective mask |
| CN103169176A (en) * | 2013-03-23 | 2013-06-26 | 钟祥 | Multifunctional mask |
| KR20140145758A (en) * | 2013-06-14 | 2014-12-24 | 김정섭 | Mask |
| CN203897349U (en) * | 2013-08-29 | 2014-10-29 | 左国刚 | Mask with air filter and breathing auxiliary purification system with mask |
| CN203860501U (en) * | 2014-05-23 | 2014-10-08 | 上海舒爽材料科技有限公司 | Antibacterial dustproof mouth mask with sound amplifying function |
| CN204120288U (en) * | 2014-10-17 | 2015-01-28 | 3M中国有限公司 | Mouth mask, mouth mask assembly |
| CN104524709A (en) * | 2014-12-18 | 2015-04-22 | 西安蓝钻电子科技有限公司 | Gas and smoke dust preventing mask |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107692373A (en) * | 2017-09-20 | 2018-02-16 | 张珊珊 | The electronic haze mouth mask of having electronic whistle |
| US20200316413A1 (en) * | 2017-12-22 | 2020-10-08 | Respro (UK) Limited | Face mask filter holder |
| CN108576971A (en) * | 2018-05-17 | 2018-09-28 | 戴子博 | A kind of mask for having whistle worn convenient for traffic police |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |