CN103550875A - Dustproof gas mask - Google Patents
Dustproof gas mask Download PDFInfo
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- CN103550875A CN103550875A CN201310554167.8A CN201310554167A CN103550875A CN 103550875 A CN103550875 A CN 103550875A CN 201310554167 A CN201310554167 A CN 201310554167A CN 103550875 A CN103550875 A CN 103550875A
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Abstract
The invention provides a dustproof gas mask, which comprises a mask, a respiration device, two filters, a lower bracket, protection goggles and a mask rubber band. A respiration device installation port is formed in the mask. Two filter installation ports are also formed in the two sides of the respiration device installation port in the mask. The respiration device is arranged in the respiration device installation port. The two filters are respectively arranged in the two filter installation ports. The protection goggles are arranged on the mask. The lower bracket is arranged in the mask. The two ends of the mask rubber band are respectively connected with the two ends of one side close to the protection goggles on the mask. The dustproof gas mask provided by the invention has the advantages that the parts of the mask are easy to disassemble and assemble, the mask is convenient to carry and wear, the weight of the mask is lighter and no uncomfortable feeling is caused to a user who wears the mask; since the dustproof gas mask is provided with the detachable protection goggles, the glasses can be conveniently replaced, the pupil distance can be conveniently adjusted and the dustproof gas mask can meet the wearing and labor protection demands of different patients who suffer from refractive errors.
Description
Technical field
The present invention relates to safety protection field, relate in particular to a kind of anti-poison dust-proof mask.
Background technology
At present military or civilian anti-poison dust-proof mask is generally all comprised of mask, breathing mouth, filter and rubber strip, breathing mouth is installed in mask, filter is arranged at the both sides of breathing mouth, and use rubber strip mask to be worn on the head of wearer, play the effect of filtering the air that enters mask, prevent that wearer from sucking poison gas or dust.Some existing anti-poison dust-proof mask also can be equipped with protective ocular, and protective ocular, mask and miscellaneous part are made into integration, and when wearing a mask, together protective ocular is put on, and prevents that poison gas or dust from entering the eyes of wearer.But this anti-poison dust-proof mask with protective ocular, because protective ocular and mask are integrated, can only adapt to the different situations of different wearers by the complete anti-poison dust-proof mask of customization, and cost is high, and wastes time and energy, inconvenience; And the volume in kind of this anti-poison dust-proof mask is larger, and can not dismantle and assemble having under the different severe working environment such as flue dust, poison gas, cause taking up room large, weight is not larger yet, portable and dress, and easily allows wearer have sense of discomfort; In addition, the protective ocular of this anti-poison dust-proof mask, for zero diopter designs, is unsuitable for ametropia patient and dresses.
Summary of the invention
The invention provides a kind of anti-poison dust-proof mask, to adapt to different wearers, ametropia patient particularly, the difference under different operating environment is dressed and the anti-demand of labor.
For achieving the above object, the invention provides a kind of anti-poison dust-proof mask, it comprises mask, breathing equipment, two filters, bottom bracket, protective ocular and mask rubber strip, described mask is provided with breathing equipment installing port, on described mask, the both sides of breathing equipment installing port are also provided with two filter installing ports, described breathing equipment is arranged in described breathing equipment installing port, described two filters are arranged at respectively in described two filter installing ports, described protective ocular is arranged on described mask, described bottom bracket is arranged in described mask, the two ends of described mask rubber strip are connected with the two ends near described protective ocular one side on described mask respectively.
Further, described breathing equipment comprises breathes mouth, breathing lid and rubber mouth, described breathing mouth penetrates in described breathing equipment installing port from described mask, and be fixed in described mask, described rubber mouth is arranged in described breathing lid, and described breathing lid is connected with the side of described breathing mouth near described breathing equipment installing port.
Further, described breathing equipment also comprises large rubber blanket, and described large rubber blanket is arranged between described breathing lid and described breathing equipment installing port.
Further, described breathing equipment also comprises preposition protective cover, and described preposition protective cover is arranged at described breathing and covers, and wraps described breathing lid away from a side of described breathing mouth.
Further, described anti-poison dust-proof mask also comprises two small rubber pads, and described two small rubber pads are arranged at respectively between described two filters and described two filter installing ports.
Further, described anti-poison dust-proof mask also comprises two filter pads, and described two filter pads are arranged at respectively between described two filter installing ports and described breathing mouth.
Further, described anti-poison dust-proof mask also comprises lower clip, and the two ends of described lower clip are connected with the two ends near described protective ocular one side on described mask respectively, and described lower clip is held described bottom bracket.
Further, described protective ocular comprises glasses and picture frame, and described picture frame is arranged on described mask, and described picture frame is provided with glasses groove, and described glasses can insert in described glasses groove.
Further, described protective ocular is detachable connection with the connected mode of described mask.
Further, be also provided with draw-in groove on described picture frame, be also provided with the latch corresponding with described draw-in groove position on described mask, described latch can insert in described draw-in groove and with described picture frame and be fixedly connected with.
Further, on described protective ocular, be also provided with button, press described button and can untie being connected of described latch and described draw-in groove.
Further, described protective ocular also comprises plastic packaging cover, and described glasses insert in described glasses groove, and described plastic packaging cover is buckled on described picture frame, and seals described glasses groove.
Further, described glasses comprise left side eyeglass, right side eyeglass and connecting ring, described left side eyeglass is provided with left side eyeglass screw, described right side eyeglass is provided with right side eyeglass screw, described connecting ring is hollow circular cylinder, described left side eyeglass screw and right side eyeglass screw link together by described connecting ring, described connecting ring is provided with near one end of described left side eyeglass screw the internal thread that the external screw thread with described left side eyeglass screw matches, described connecting ring is provided with near one end of described right side eyeglass screw the internal thread that the external screw thread with described right side eyeglass screw matches, described connecting ring can make when rotated described left side eyeglass and right side eyeglass near or away from, regulate the distance between described left side eyeglass and right side eyeglass.
Further, described anti-poison dust-proof mask also comprises eyeglass storage box, and the left side eyeglass of the different number of degrees and right side eyeglass are all deposited in described eyeglass storage box.
Further, described protective ocular also comprises protective ocular rubber strip, and the two ends of described protective ocular rubber strip are connected with the two ends of described picture frame respectively.
Compared with prior art, the present invention has following beneficial effect:
Anti-poison dust-proof mask provided by the invention separates and forms on mask by its parts in design, connecting portion between each parts is plasticity all, be easy to dismounting and the assembling of its parts, be convenient to carrying and dressing of this anti-poison dust-proof mask, the weight of this anti-poison dust-proof mask is also lighter, can not allow wearer have sense of discomfort; And this anti-poison dust-proof mask is also furnished with dismountable protective ocular, can change easily eyeglass and adjust interpupillary distance, can meet different wearers, ametropia patient particularly, the difference under different operating environment is dressed and the anti-demand of labor.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
The expanded view of each parts in the anti-poison dust-proof mask that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the anti-poison dust-proof mask that Fig. 2 provides for the embodiment of the present invention.
In Fig. 1 and Fig. 2,
1: mask; 11: breathe assembling installing port; 12: filter installing port; 13: latch; 2: breathing equipment; 21: breathe mouth; 22: breathe lid; 23: rubber mouth; 24: large rubber blanket; 25: preposition protective cover; 3: filter; 4: bottom bracket; 5: protective ocular; 51: glasses; 511: left side eyeglass; 512: right side eyeglass; 513: left side eyeglass screw; 514: right side eyeglass screw; 515: connecting ring; 52: picture frame; 521: glasses groove; 522: draw-in groove; 523: button; 53: protective ocular rubber strip; 54: plastic packaging cover; 6: mask rubber strip; 7: small rubber pad; 8: filter pad; 9: lower clip.
The specific embodiment
Anti-poison dust-proof mask the present invention being proposed below in conjunction with the drawings and specific embodiments is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the object of the aid illustration embodiment of the present invention lucidly.
Core concept of the present invention is, a kind of anti-poison dust-proof mask is provided, it comprises mask, breathing equipment, two filters, bottom bracket, protective ocular and mask rubber strip, described mask is provided with breathing equipment installing port, on described mask, the both sides of breathing equipment installing port are also provided with two filter installing ports, described breathing equipment is arranged in described breathing equipment installing port, described two filters are arranged at respectively in described two filter installing ports, described protective ocular is arranged on described mask, described bottom bracket is arranged in described mask, the two ends of described mask rubber strip are connected with the two ends near described protective ocular one side on described mask respectively.Anti-poison dust-proof mask provided by the invention separates and forms on mask by its parts in design, connecting portion between each parts is plasticity all, be easy to dismounting and the assembling of its parts, be convenient to carrying and dressing of this anti-poison dust-proof mask, the weight of this anti-poison dust-proof mask is also lighter, can not allow wearer have sense of discomfort; And this anti-poison dust-proof mask is also furnished with dismountable protective ocular, can change easily eyeglass and adjust interpupillary distance, can meet different wearers, ametropia patient particularly, the difference under different operating environment is dressed and the anti-demand of labor.
Please refer to Fig. 1 and Fig. 2, the expanded view of each parts in the anti-poison dust-proof mask that Fig. 1 provides for the embodiment of the present invention; The structural representation of the anti-poison dust-proof mask that Fig. 2 provides for the embodiment of the present invention.
As depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of anti-poison dust-proof mask, it comprises mask 1, breathing equipment 2, two filters 3, bottom bracket 4, protective ocular 5 and mask rubber strip 6, described mask 1 is provided with breathing equipment installing port 11, on described mask 1, the both sides of breathing equipment installing port 11 are also provided with two filter installing ports 12, described breathing equipment 2 is arranged in described breathing equipment installing port 11, described two filters 3 are arranged at respectively in described two filter installing ports 12, described protective ocular 5 is arranged on described mask 1, described bottom bracket 4 is arranged in described mask 1, described bottom bracket 4 in described mask 1, surround described breathing mouth 21 below and both sides, the two ends of described mask rubber strip 6 are connected with the two ends near described protective ocular 5 one sides on described mask 1 respectively.
Further, described breathing equipment 2 comprises to be breathed mouth 21, breathes and cover 22 and rubber mouth 23, described breathing mouth 21 penetrates in described breathing equipment installing port 11 from described mask 1, and be fixed in described mask 1, described rubber mouth 23 is arranged in described breathing lid 22, described breathing lid 22 is connected with the side of described breathing mouth 21 near described breathing equipment installing port 11, and described breathing lid 22 and rubber mouth 23 can filter out poison gas or the dust that enters mask, so that wearer can be breathed.
Further, described breathing equipment 2 also comprises large rubber blanket 24, described large rubber blanket 24 is arranged between described breathing lid 22 and described breathing equipment installing port 11, described large rubber blanket 24 can prevent poison gas or dust from breathe cover 22 and breathing equipment installing port 11 between enter in mask 1, increased the tightness of this anti-poison dust-proof mask.
Further, described breathing equipment 2 also comprises preposition protective cover 25, described preposition protective cover 25 is arranged on described breathing lid 22, and wrap described breathing lid 22 sides away from described breathing mouth 21, described preposition protective cover 25 can seal breathing lid 22 when not using this anti-poison dust-proof mask, in order to avoid dust enters in the breathing mouth 21 in mask 1.
Further, described anti-poison dust-proof mask also comprises two small rubber pads 7, described two small rubber pads 7 are arranged at respectively between described two filters 3 and described two filter installing ports 12, described small rubber pad 7 can prevent that poison gas or dust from entering in mask 1 between filter 3 and filter installing port 12, increased the tightness of this anti-poison dust-proof mask.
Further, described anti-poison dust-proof mask also comprises two filter pads 8, described two filter pads 8 are arranged at respectively between described two filter installing ports 12 and described breathing mouth 21, described filter pad 8 can strengthen the filter effect of filter 3, wearer filters out poison gas or dust that major part enters mask, so that can be breathed more swimmingly.
Further, described anti-poison dust-proof mask also comprises lower clip 9, the two ends of described lower clip 9 are connected with the two ends near described protective ocular 5 one sides on described mask 1 respectively, described lower clip 9 is held described bottom bracket 4, by described lower clip 9, hold described bottom bracket 4, make only need to untie being connected just bottom bracket 4 can being disassembled simultaneously, the disassemble and assemble work of this anti-poison dust-proof mask of being more convenient between lower clip 9 and mask 1 when this anti-poison dust-proof mask of dismounting.
Further, described protective ocular 5 comprises glasses 51 and picture frame 52, and described picture frame 52 is arranged on described mask 1, and described picture frame 52 is provided with glasses groove 521, and described glasses 51 can insert in described glasses groove 521, and are fixed in described glasses groove 521.
Further, described protective ocular 5 is detachable connection with the connected mode of described mask 1.
Concrete, on described picture frame 52, be also provided with draw-in groove 522, on described mask 1, be also provided with the latch 13 corresponding with described draw-in groove 522 positions, described latch 13 can insert in described draw-in groove 522 and with picture frame 52 and be fixedly connected with, on described protective ocular 5, be also provided with button 523, in the present embodiment, described draw-in groove 522 is described button 523, press described button 523 and can untie being connected of described latch 13 and described draw-in groove 522, the dismounting of protective ocular 5 is convenient in such design.
Further, described protective ocular 5 also comprises plastic packaging cover 54, described glasses 51 insert in described glasses groove 521, described plastic packaging cover 54 is buckled on described picture frame 52, and sealing described glasses groove 521, described glasses 51 have certain space that moves left and right in described picture frame 52, after moving into place, by described plastic packaging cover 54 being buckled on the glasses groove 521 and glasses 51 on described picture frame 52, described glasses 51 are fixedly connected with described picture frame 52.
Further, described glasses 51 comprise left side eyeglass 511, right side eyeglass 512 and connecting ring 515, described left side eyeglass 511 is provided with left side eyeglass screw 513, described right side eyeglass 512 is provided with right side eyeglass screw 514, described connecting ring 515 is hollow circular cylinder, described left side eyeglass screw 513 links together by described connecting ring 515 with right side eyeglass screw 514, described connecting ring 515 is provided with near one end of described left side eyeglass screw 513 internal thread that the external screw thread with described left side eyeglass screw 513 matches, described connecting ring 515 is provided with near one end of described right side eyeglass screw 514 internal thread that the external screw thread with described right side eyeglass screw 514 matches, described connecting ring 515 can make when rotated described left side eyeglass 511 and right side eyeglass 512 near or away from, regulate the distance between described left side eyeglass 511 and right side eyeglass 512.
Particularly, when described connecting ring 515 is turned clockwise, described left side eyeglass screw 513 all moves to described connecting ring 515 center with right side eyeglass screw 514, described left side eyeglass 511 and right side eyeglass 512 are moved to the direction of connecting ring 515 simultaneously, the distance having furthered between left side eyeglass 511 and right side eyeglass 512, has reduced interpupillary distance; When described connecting ring 515 is rotated counterclockwise, described left side eyeglass screw 513 moves to the two ends of described connecting ring 515 to leave the trend of described connecting ring 515 respectively with right side eyeglass screw 514, described left side eyeglass 511 and right side eyeglass 512 are moved to the direction away from connecting ring 515 simultaneously, increased the distance between left side eyeglass 511 and right side eyeglass 512, increased interpupillary distance, thereby made the protective ocular 5 of this anti-poison dust-proof mask can adapt to different ametropia patients' interpupillary distance.
In the present embodiment, the left side eyeglass 511 in glasses 51 and right side eyeglass 512 are separately made to replace eyeglass more easy, thereby make the protective ocular 5 of this anti-poison dust-proof mask can adapt to different ametropia patients' the eyes number of degrees.
Further, described anti-poison dust-proof mask also comprises eyeglass storage box (not shown), left side eyeglass 511 and the right side eyeglass 512 of the different number of degrees are all deposited in described eyeglass storage box, in order to replacing at any time, thereby make the protective ocular 5 of this anti-poison dust-proof mask can adapt to different ametropia patients' the eyes number of degrees.
Further, described protective ocular 5 also comprises protective ocular rubber strip 53, the two ends of described protective ocular rubber strip 53 are connected with the two ends of described picture frame 52 respectively, the same with mask rubber strip 6, also can be by described protective ocular rubber strip 53 hoops on the head of wearer, thus make the wearing of mask 1 in this anti-poison dust-proof mask and protective ocular 5 more firm.
In sum, the anti-poison dust-proof mask that the embodiment of the present invention provides separates its parts form on mask 1 in design, connecting portion between each parts is plasticity all, be easy to dismounting and the assembling of its parts, be convenient to carrying and dressing of this anti-poison dust-proof mask, the weight of this anti-poison dust-proof mask is also lighter, can not allow wearer have sense of discomfort; And this anti-poison dust-proof mask is also furnished with dismountable protective ocular 5, can change easily eyeglass and adjust interpupillary distance, can meet different wearers, ametropia patient particularly, the difference under different operating environment is dressed and the anti-demand of labor.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are changed and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (14)
1. an anti-poison dust-proof mask, it is characterized in that, comprise mask, breathing equipment, two filters, bottom bracket, protective ocular and mask rubber strip, described mask is provided with breathing equipment installing port, on described mask, the both sides of breathing equipment installing port are also provided with two filter installing ports, described breathing equipment is arranged in described breathing equipment installing port, described two filters are arranged at respectively in described two filter installing ports, described protective ocular is arranged on described mask and with described mask is detachable and is connected, described bottom bracket is arranged in described mask, the two ends of described mask rubber strip are connected with the two ends near described protective ocular one side on described mask respectively.
2. anti-poison dust-proof mask according to claim 1, it is characterized in that, described breathing equipment comprises breathes mouth, breathing lid and rubber mouth, described breathing mouth penetrates in described breathing equipment installing port from described mask, and be fixed in described mask, described rubber mouth is arranged in described breathing lid, and described breathing lid is connected with the side of described breathing mouth near described breathing equipment installing port.
3. anti-poison dust-proof mask according to claim 2, is characterized in that, described breathing equipment also comprises large rubber blanket, and described large rubber blanket is arranged between described breathing lid and described breathing equipment installing port.
4. anti-poison dust-proof mask according to claim 2, is characterized in that, described breathing equipment also comprises preposition protective cover, and described preposition protective cover is arranged at described breathing and covers, and wraps described breathing lid away from a side of described breathing mouth.
5. anti-poison dust-proof mask according to claim 1, is characterized in that, also comprises two small rubber pads, and described two small rubber pads are arranged at respectively between described two filters and described two filter installing ports.
6. anti-poison dust-proof mask according to claim 2, is characterized in that, also comprises two filter pads, and described two filter pads are arranged at respectively between described two filter installing ports and described breathing mouth.
7. anti-poison dust-proof mask according to claim 1, is characterized in that, also comprises lower clip, and the two ends of described lower clip are connected with the two ends near described protective ocular one side on described mask respectively, and described lower clip is held described bottom bracket.
8. according to the anti-poison dust-proof mask described in claim 1 to 7 any one, it is characterized in that, described protective ocular comprises glasses and picture frame, and described picture frame is arranged on described mask, and described picture frame is provided with glasses groove, and described glasses can insert in described glasses groove.
9. anti-poison dust-proof mask according to claim 8, is characterized in that, is also provided with draw-in groove on described picture frame, is also provided with the latch corresponding with described draw-in groove position on described mask, and described latch can insert in described draw-in groove and with described picture frame and be fixedly connected with.
10. anti-poison dust-proof mask according to claim 9, is characterized in that, is also provided with button on described protective ocular, presses described button and can untie being connected of described latch and described draw-in groove.
11. anti-poison dust-proof masks according to claim 8, is characterized in that, described protective ocular also comprises plastic packaging cover, and described glasses insert in described glasses groove, and described plastic packaging cover is buckled on described picture frame, and seal described glasses groove.
12. anti-poison dust-proof masks according to claim 8, it is characterized in that, described glasses comprise left side eyeglass, right side eyeglass and connecting ring, described left side eyeglass is provided with left side eyeglass screw, described right side eyeglass is provided with right side eyeglass screw, described connecting ring is hollow circular cylinder, described left side eyeglass screw and right side eyeglass screw link together by described connecting ring, described connecting ring is provided with near one end of described left side eyeglass screw the internal thread that the external screw thread with described left side eyeglass screw matches, described connecting ring is provided with near one end of described right side eyeglass screw the internal thread that the external screw thread with described right side eyeglass screw matches, described connecting ring can make when rotated described left side eyeglass and right side eyeglass near or away from, regulate the distance between described left side eyeglass and right side eyeglass.
13. anti-poison dust-proof masks according to claim 12, is characterized in that, also comprise eyeglass storage box, and the left side eyeglass of the different number of degrees and right side eyeglass are all deposited in described eyeglass storage box.
14. anti-poison dust-proof masks according to claim 8, is characterized in that, described protective ocular also comprises protective ocular rubber strip, and the two ends of described protective ocular rubber strip are connected with the two ends of described picture frame respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554167.8A CN103550875B (en) | 2013-11-08 | 2013-11-08 | Anti-poison dust-proof mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310554167.8A CN103550875B (en) | 2013-11-08 | 2013-11-08 | Anti-poison dust-proof mask |
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| Publication Number | Publication Date |
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| CN103550875A true CN103550875A (en) | 2014-02-05 |
| CN103550875B CN103550875B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310554167.8A Active CN103550875B (en) | 2013-11-08 | 2013-11-08 | Anti-poison dust-proof mask |
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Cited By (11)
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| WO2015117282A1 (en) * | 2014-02-10 | 2015-08-13 | 德尔格安全股份两合公司 | Respiratory protection half-mask |
| CN106690575A (en) * | 2016-12-27 | 2017-05-24 | 邬惠林 | Eye and nose mask with memory support |
| CN107617174A (en) * | 2017-03-13 | 2018-01-23 | 安徽恩惠安全防护科技有限公司 | A kind of labour protection breathes protector |
| CN107866013A (en) * | 2017-11-24 | 2018-04-03 | 北京欧美中科学技术研究院 | A kind of more filter box chemistry gas masks being conveniently replaceable |
| CN109011248A (en) * | 2018-07-28 | 2018-12-18 | 滁州安阳智能科技有限公司 | A kind of high-rise building escape device |
| CN111317928A (en) * | 2018-12-17 | 2020-06-23 | Lg电子株式会社 | Mask device |
| CN112076407A (en) * | 2020-09-14 | 2020-12-15 | 湖州拓高机械有限公司 | Face protector convenient to install and used during paint spraying |
| CN112618983A (en) * | 2020-12-23 | 2021-04-09 | 李丕斌 | Multifunctional epidemic prevention device and method for preventing virus and dust |
| TWI725887B (en) * | 2020-07-02 | 2021-04-21 | 坤鑫國際有限公司 | Mask structure |
| WO2021151397A1 (en) * | 2020-02-02 | 2021-08-05 | 深圳市那尼科技有限公司 | Mask |
| WO2021151396A1 (en) * | 2020-02-02 | 2021-08-05 | 深圳市那尼科技有限公司 | Face frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015117282A1 (en) * | 2014-02-10 | 2015-08-13 | 德尔格安全股份两合公司 | Respiratory protection half-mask |
| CN105992615A (en) * | 2014-02-10 | 2016-10-05 | 德尔格安全股份两合公司 | Respiratory protection half-mask |
| CN106690575A (en) * | 2016-12-27 | 2017-05-24 | 邬惠林 | Eye and nose mask with memory support |
| CN107617174A (en) * | 2017-03-13 | 2018-01-23 | 安徽恩惠安全防护科技有限公司 | A kind of labour protection breathes protector |
| CN107866013A (en) * | 2017-11-24 | 2018-04-03 | 北京欧美中科学技术研究院 | A kind of more filter box chemistry gas masks being conveniently replaceable |
| CN109011248A (en) * | 2018-07-28 | 2018-12-18 | 滁州安阳智能科技有限公司 | A kind of high-rise building escape device |
| CN111317928A (en) * | 2018-12-17 | 2020-06-23 | Lg电子株式会社 | Mask device |
| CN111317928B (en) * | 2018-12-17 | 2021-07-20 | Lg电子株式会社 | Mask device |
| WO2021151397A1 (en) * | 2020-02-02 | 2021-08-05 | 深圳市那尼科技有限公司 | Mask |
| WO2021151396A1 (en) * | 2020-02-02 | 2021-08-05 | 深圳市那尼科技有限公司 | Face frame |
| TWI725887B (en) * | 2020-07-02 | 2021-04-21 | 坤鑫國際有限公司 | Mask structure |
| CN112076407A (en) * | 2020-09-14 | 2020-12-15 | 湖州拓高机械有限公司 | Face protector convenient to install and used during paint spraying |
| CN112618983A (en) * | 2020-12-23 | 2021-04-09 | 李丕斌 | Multifunctional epidemic prevention device and method for preventing virus and dust |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103550875B (en) | 2016-04-06 |
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