CN103706055A - Novel respirator - Google Patents
Novel respirator Download PDFInfo
- Publication number
- CN103706055A CN103706055A CN201310695412.7A CN201310695412A CN103706055A CN 103706055 A CN103706055 A CN 103706055A CN 201310695412 A CN201310695412 A CN 201310695412A CN 103706055 A CN103706055 A CN 103706055A
- Authority
- CN
- China
- Prior art keywords
- base
- respirator
- air bag
- inner cover
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a novel respirator comprising a mask and a respiration filter device. The mask comprises a base, an outer cover and an inner cover, the edge of the outer cover is clamped on an outer upper platform of the base, the inner cover is clamped on an inner upper platform of the base, and the respiration filter device is clamped between the outer cover and the inner cover. The novel respirator further comprises an inflatable or deflatable hollow air bag which is detachably connected with the base. The shape of the air bag can be adjusted according to facial contours and shapes of nose bridges of different wearers, and adaptation of the respirator and comfort of the wearers are enhanced remarkably; meanwhile, the outer side face of an air bag body is provided with a soft sweat-absorbent pad which can absorb sweat generated by the wearer when using the novel respirator in an environment at high temperature; in addition, the latticed inner cover is directly connected with the base to form a respiratory air cushioning cavity, so that the structure of the respirator is simplified greatly; a one-way air outlet valve component is arranged in the middle of the inner cover, so that exhaled air of human bodies can be discharged out of the respirator to allow the wearers to breathe more smoothly.
Description
Technical field
The present invention relates to respirator field, be specifically related to a kind of Novel respirator.
Background technology
Respirator is that in the World War I, the use for chemical warfare agent is researched and developed, and has now been widely used in every field.At present, general respirator all has following technical characterictic: respirator inner cover is suitable for forming the sealing against face, thereby for respirator provides cavity, the inside of outer cover is provided with filter, after entering inner cover cavity by a connector again by outer cover filter, outside air sucks human body, this filter is removed harmful substance from air amount, and that this respirator outer cover can prevent is extraneous, may harmful air enter in cavity and therefore and enter in wearer's lung.The malleation generally producing by being exhaled by wearer during expiration, by steam vent, discharge, or when air-breathing, the fresh air of outside enters in inner cover cavity suction human body through filter by the negative pressure applying, and such respirator can effectively intercept airborne harmful substance and enter human body.In addition, conventional bag respirator (being common mouth mask) is to directly overlay face with air filtration pieces.
Yet, existing respirator has the following disadvantages and is: 1, existing respirator is all adopting and is being fixedly installed with human body face contact site, respirator can not be adjusted according to the shape of face mask or the bridge of the nose, thereby causes respirator can not be suitable for the user of all different facial characteristics; 2: existing respirator is at the soft plastic material with the employing of human body face contact site, do not absorb water, under the higher environment of temperature, sweat permeates nowhere, and moisture combines in respirator and facial contact position, the long-time skin that has sense of discomfort and easily damage contact site that uses.3, conventional bag respirator (being common mouth mask) tightness is poor, can not effectively intercept harmful substance and enter human body, also there is no independent expiration assembly, and breath is difficult to discharge as early as possible cover body.4. the equal comfort level of existing all respirators is poor, and utility function is single.
Summary of the invention
For the deficiencies in the prior art, object of the present invention is intended to provide a kind of Novel respirator, can be suitable for different wearers' face mask or the shape of the bridge of the nose, significantly improves respirator user's comfort level.
For achieving the above object, the present invention adopts following technical scheme:
A kind of Novel respirator, comprise cover body and respiration filtering device, described cover body comprises base, outer cover, inner cover, described outer cover edge is connected in chassis outer side upper mounting plate, described inner cover is connected in upper mounting plate inside base, described respiration filtering device is connected between outer cover and inner cover, and outer cover and respiration filtering device removably connect; Described Novel respirator also comprises hollow shape air bag inflatable or venting, and described air bag and base removably connect.
Preferably, described base lower end is provided with the spherical snapping groove of base, and base upper end is provided with two clamping platforms, inner side upper mounting plate clamping inner cover, and outside lower platform clamping outer cover, upper end clamping platform outside is respiration filtering device clamping position.
Preferably, described hollow balloon comprise airbag body, with the spherical snapping of the integrated air bag of airbag body portion, the spherical snapping of this air bag portion is buckled in the spherical snapping groove of base.
Preferably, the lateral surface of described airbag body is provided with absorbing sweat pad.
Preferably, described inner cover is provided with the first Access Division, and described base top is provided with the first base clamping platform, and described the first Access Division is connected on this first base clamping platform.
Preferably, be provided with the second Access Division in described outer cover, described base upper outside is provided with the second base card platform, and described the second Access Division is connected on this second base card platform.
Preferably, described inner cover middle is provided with unidirectional air outlet valve assembly, and unidirectional air outlet valve assembly is provided with one group of annular protrusion barrier flaps integrally formed with inner cover outward, and barrier flaps is provided with annular air filter snap ring outward; Snap ring is outer is provided with the latticed holder net of air filtration pieces to inner cover bottom margin.
Preferably, described air bag is provided with pore.
Preferably, the extension track of described air bag, base all in the form of a ring.
Beneficial effect of the present invention is:
The present invention is by setting up air bag, and air bag and base removably connect, and described air bag is hollow shape, described air bag inflatable or venting.The design that this air bag and human body face contact site are soft, when air bag and user's facial contact, bladder shape automatically completes for the first time and regulates according to human body face feature, its notch design also can be carried out local manual adjustments according to the shape of different wearers' face mask or the bridge of the nose, completed for the second time and regulated, significantly strengthened the adaptability of respirator; Simultaneously, the lateral surface of airbag body is provided with absorbing sweat pad, has the soft absorbing sweat pad of absorbent function, can absorb the sweat of wearer's generation when the higher environment of temperature is used and the moisture that is condensed in base edge of exhalation, greatly improve wearer's comfort level, keep the spatter property of air bag; In addition, this grid inner cover is directly connected in base, greatly simplifies the structure of respirator, has reduced utensil weight, further improves user's comfort level.On inner cover, be provided with unidirectional air outlet valve assembly, can facilitate wearer's respiration, make the air of respirator interior and extraneous air be able to timely exchange.
Accompanying drawing explanation
Fig. 1 is cross-sectional schematic of the present invention;
Fig. 2 is the partial structurtes schematic diagram of base of the present invention and air bag;
Fig. 3 is perspective view of the present invention.
Wherein, 1, outer cover; 2, filtrating chip; 3, air bag; 31, the spherical snapping of air bag portion; 32, pore; 33, absorbing sweat pad; 34, airbag body; 4, base; 5, inner cover; 6, unidirectional air outlet valve assembly; 61, connecting rod; 62, joint pin; 63, check valve sheet; 64, sleeve; 7, the first Access Division; 8, the second Access Division.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, invention is described further:
As Figure 1-3, a kind of Novel respirator, comprise cover body and respiration filtering device, described cover body comprises base 4, outer cover 1, inner cover 5, described outer cover 1 edge is connected in base 4 outside upper mounting plates, described inner cover 5 is connected in base 4 inner side upper mounting plates, and described respiration filtering device is connected between outer cover 1 and inner cover 5, and outer cover 1 removably connects with respiration filtering device; Described Novel respirator also comprises hollow shape air bag 3 inflatable or venting, and described air bag 3 removably connects with base 4.
The present embodiment is provided with air bag 3, described air bag 3 removably connects with base 4, described air bag 3 is hollow shape software plastic products, described air bag 3 inflatable or venting, these air bag 3 veneer positions can be according to the different auto Deformation laminatings of human body face, the shape of this air bag 3 can be carried out local modulation manually according to the shape of different wearers' face mask or the bridge of the nose, has significantly strengthened the adaptability of respirator.
Preferably, described base 4 lower ends are provided with the spherical snapping groove of base, and base 4 upper ends are provided with two clamping platforms, inner side upper mounting plate clamping inner cover 5, and outside lower platform clamping outer cover 1, upper end clamping platform outside is respiration filtering device clamping position.
Preferably, described hollow balloon 3 comprise airbag body 34, with the spherical snapping of the integrated air bag of airbag body 34 portion 31, the spherical snapping of this air bag portion 31 is buckled in the spherical snapping groove of base.This air bag 3 is local left-right rotation flexibly manually at the ball-type snapping place of base 4, and this air bag 3 can be adjusted laminating angle flexibly according to the different face shape of human body.
Preferably, the lateral surface of described air bag 3 bodies is provided with absorbing sweat pad 33.By this absorbing sweat pad 33, can absorb sweat that wearer produces when applied at elevated temperature and the moisture that is condensed in base 4 edges of exhalation, keep the spatter property of air bag 3, this absorbing sweat pad 33 is pasted on air bag 3 lateral surfaces by adhesive sticker, is convenient for changing.This absorbing sweat pad 33 is disposable use parts.
Preferably, described inner cover 5 is provided with the first Access Division 7, and described base 4 is provided with the first base clamping platform (not shown), and described the first Access Division 7 is connected on this first base clamping platform.
Preferably, be provided with the second Access Division 8 in described outer cover 1, described base 4 is provided with the second base card platform (not shown), and described the second Access Division 8 is connected on this second base card platform, and described outer cover 1 and base 4 are for removably connecting.
Preferably, described inner cover 5 middles are provided with unidirectional air outlet valve assembly 6, described unidirectional air outlet valve assembly 6 comprises sleeve 64, a plurality of connecting rod 61, the joint pin 62 that is positioned at inner cover 5 centres, one end of described a plurality of connecting rod 61 is connected with inner cover 5, the other end of the plurality of connecting rod 61 is connected with sleeve 64, described joint pin 62 plug-in mountings also pass this sleeve 64, and the top of this joint pin 62 is provided with check valve sheet 63; Described a plurality of connecting rod 61 is arranged along the center line circumference of sleeve 64.This check valve sheet 63 is made by flexible material, and as plastic cement, when human body is exhaled, this check valve sheet 63 raises up, and makes the Bas Discharged of respirator interior, and restriction air enters in respirator from the external world.
Preferably, described unidirectional air outlet valve assembly 6 is outer is provided with one group of annular protrusion barrier flaps integrally formed with inner cover 5, and barrier flaps is provided with annular air filter snap ring outward; Snap ring is outer is provided with the latticed holder net of air filtration pieces to inner cover 5 bottom margins.
Preferably, described air bag 3 is provided with pore 32, can facilitate the inflation of air bag 3 or the operation of venting, regulates the soft durometer of air bag 3.
Preferably, described air bag 3, base 4 extend along the whole inside edge of outer cover 1, thereby the extension track of this air bag 3, base 4 all in the form of a ring.The material of air bag 3 is made by flexible plastic material, can make air bag 3 on base 4, realize the moving position of selecting air bag 3 according to actual conditions.
As shown in Figure 2, the spherical snapping of air bag portion 31 is circular-arc, is buckled in base snap groove.Described air bag 3 is made by soft plastic material.
Respiration filtering device is filtrating chip 2, can be taking the rear taking-up replacing of outer cover 1 apart, using filtrating chip 2 as the preferred respiration filtering device of the present embodiment.The material outer layer of the present embodiment filtrating chip 2 is cotton compared with crude fibre, the second layer is thinner nonwoven, the 3rd metafiltration core is tacryl, internal layer is ultra-fine nonwoven lining cloth, by adopting the filtrating chip 2 of this material, can effectively protect following object: all kinds of dust and the gases such as the pernicious gas that all kinds of welding produce, coal dust, graphite, carbon, asbestos, cement, metal dusting, paint.The filtrating chip 2 of the present embodiment, can change according to different air ambients the filtrating chip 2 of difference in functionality.This filtrating chip 2 is disposable use parts.
The unidirectional air outlet valve assembly 6 of the present embodiment is worn facing to the bridge of the nose of human body, and air bag 3 is worn facing to human face profile.In air bag 3, be filled with gas, the shape of air bag 3 can regulate according to the shape of different wearers' face mask or the bridge of the nose.On outer cover 1, there are a plurality of transoms, can make the air of respirator interior and extraneous air exchange.After respirator is worn, the gas of exhalation can discharge by unidirectional air outlet valve assembly 6.Under the effect of respiration filtering device, the external world has dust or pernicious gas effectively to intercept by respiration filtering device, thereby reach harmful substance in air by after the filter filtration, purification of this respirator, sucking in human body is the object of clean, clean air.
The inner cover 5 of the present embodiment, check valve sheet 63, outer cover 1 are one group of movable component, and these parts all can repeatedly recycle after cleaning-sterilizing.
for a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.
Claims (9)
1. a Novel respirator, comprise cover body and respiration filtering device, it is characterized in that: described cover body comprises base, outer cover, inner cover, described outer cover edge is connected in chassis outer side upper mounting plate, described inner cover is connected in upper mounting plate inside base, described respiration filtering device is connected between outer cover and inner cover, and outer cover and respiration filtering device removably connect; Described Novel respirator also comprises hollow shape air bag inflatable or venting, and described air bag and base removably connect.
2. Novel respirator as claimed in claim 1, it is characterized in that: described base lower end is provided with the spherical snapping groove of base, and base upper end is provided with two clamping platforms inner side upper mounting plate clamping inner cover, outside lower platform clamping outer cover, upper end clamping platform outside is respiration filtering device clamping position.
3. Novel respirator as claimed in claim 2, is characterized in that: described hollow balloon comprise airbag body, with the spherical snapping of the integrated air bag of airbag body portion, the spherical snapping of this air bag portion is buckled in the spherical snapping groove of base.
4. Novel respirator as claimed in claim 1 or 2, is characterized in that: the lateral surface of described airbag body is provided with absorbing sweat pad.
5. Novel respirator as claimed in claim 1 or 2, is characterized in that: described inner cover is provided with the first Access Division, and described base top is provided with the first base clamping platform, and described the first Access Division is connected on this first base clamping platform.
6. Novel respirator as claimed in claim 1 or 2, is characterized in that: in described outer cover, be provided with the second Access Division, described base upper outside is provided with the second base card platform, and described the second Access Division is connected on this second base card platform.
7. Novel respirator as claimed in claim 1, it is characterized in that: described inner cover middle is provided with unidirectional air outlet valve assembly, unidirectional air outlet valve assembly is provided with one group of annular protrusion barrier flaps integrally formed with inner cover outward, and barrier flaps is provided with annular air filter snap ring outward; Snap ring is outer is provided with the latticed holder net of air filtration pieces to inner cover bottom margin.
8. Novel respirator as claimed in claim 1, is characterized in that: described air bag is provided with pore.
9. Novel respirator as claimed in claim 1, is characterized in that: the extension track of described air bag, base all in the form of a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695412.7A CN103706055A (en) | 2013-12-17 | 2013-12-17 | Novel respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695412.7A CN103706055A (en) | 2013-12-17 | 2013-12-17 | Novel respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103706055A true CN103706055A (en) | 2014-04-09 |
Family
ID=50399628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310695412.7A Pending CN103706055A (en) | 2013-12-17 | 2013-12-17 | Novel respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103706055A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948188A (en) * | 2014-04-30 | 2014-07-30 | 李甲亮 | Traditional Chinese medicine protective mask filter element capable of filtering PM2.5 |
| CN105749443A (en) * | 2016-04-22 | 2016-07-13 | 何长江 | Cleanable membrane breather valve |
| WO2017091920A1 (en) * | 2015-12-03 | 2017-06-08 | Honeywell International Inc. | Annular unit for moisture management in respiratory mask |
| USD807509S1 (en) | 2016-07-06 | 2018-01-09 | Sleepnet Corporation | Replaceable filter element |
| USD811582S1 (en) | 2016-07-06 | 2018-02-27 | Sleepnet Corporation | Face mask |
| USD812737S1 (en) | 2016-07-06 | 2018-03-13 | Sleepnet Corporation | Face mask |
| USD820435S1 (en) | 2017-06-23 | 2018-06-12 | Sleepnet Corporation | Headgear |
| CN109945348A (en) * | 2019-03-29 | 2019-06-28 | 佛山市金净创环保技术有限公司 | Portable air purifier with and combinations thereof body |
| CN111084944A (en) * | 2020-02-13 | 2020-05-01 | 河南驼人医疗器械集团有限公司 | Full-surrounding protective hood |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330273A (en) * | 1964-10-15 | 1967-07-11 | Puritan Compressed Gas Corp | Oro-nasal face mask with improved sealing cuff |
| CN85108181A (en) * | 1984-11-13 | 1986-09-24 | 阿冯工业聚合物有限公司 | Valve for respirator |
| GB2260709A (en) * | 1989-02-14 | 1993-04-28 | Hellberg Protection Ab | Holder for respirator |
| KR0133840B1 (en) * | 1993-05-31 | 1998-07-01 | 박명호 | A mask |
| US20020134388A1 (en) * | 2001-03-21 | 2002-09-26 | Ti-Li Chang | Anaesthetic medical facemask |
| CN2585662Y (en) * | 2002-12-13 | 2003-11-12 | 刘希盈 | Dust-proof anti-toxin mask |
| US20060185675A1 (en) * | 2004-12-22 | 2006-08-24 | Wayne Colin | Customizable facial seal for masks delivering breathing gases in positive pressure ventilation systems |
| US20070295335A1 (en) * | 2003-12-29 | 2007-12-27 | Ramses Nashed | Disposable anesthesia face mask |
| CN201274778Y (en) * | 2008-10-22 | 2009-07-22 | 崔利华 | Disposable gauze mask |
| CN201345902Y (en) * | 2008-12-16 | 2009-11-18 | 吴坤城 | Dining mask |
| WO2010064862A2 (en) * | 2008-12-05 | 2010-06-10 | Park Ki Su | Mask |
| CN202179767U (en) * | 2011-08-17 | 2012-04-04 | 刁淑梅 | Breather mask for children |
| CN202311287U (en) * | 2011-11-17 | 2012-07-11 | 代尔塔（中国）安全防护有限公司 | Replaceable multifunctional dust protecting mask |
| KR101165763B1 (en) * | 2011-09-08 | 2012-07-20 | 정정대 | Dust-proof mask |
| CN203647902U (en) * | 2013-12-17 | 2014-06-18 | 许均国 | Novel respirator |
-
2013
- 2013-12-17 CN CN201310695412.7A patent/CN103706055A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3330273A (en) * | 1964-10-15 | 1967-07-11 | Puritan Compressed Gas Corp | Oro-nasal face mask with improved sealing cuff |
| CN85108181A (en) * | 1984-11-13 | 1986-09-24 | 阿冯工业聚合物有限公司 | Valve for respirator |
| GB2260709A (en) * | 1989-02-14 | 1993-04-28 | Hellberg Protection Ab | Holder for respirator |
| KR0133840B1 (en) * | 1993-05-31 | 1998-07-01 | 박명호 | A mask |
| US20020134388A1 (en) * | 2001-03-21 | 2002-09-26 | Ti-Li Chang | Anaesthetic medical facemask |
| CN2585662Y (en) * | 2002-12-13 | 2003-11-12 | 刘希盈 | Dust-proof anti-toxin mask |
| US20070295335A1 (en) * | 2003-12-29 | 2007-12-27 | Ramses Nashed | Disposable anesthesia face mask |
| US20060185675A1 (en) * | 2004-12-22 | 2006-08-24 | Wayne Colin | Customizable facial seal for masks delivering breathing gases in positive pressure ventilation systems |
| CN201274778Y (en) * | 2008-10-22 | 2009-07-22 | 崔利华 | Disposable gauze mask |
| WO2010064862A2 (en) * | 2008-12-05 | 2010-06-10 | Park Ki Su | Mask |
| CN201345902Y (en) * | 2008-12-16 | 2009-11-18 | 吴坤城 | Dining mask |
| CN202179767U (en) * | 2011-08-17 | 2012-04-04 | 刁淑梅 | Breather mask for children |
| KR101165763B1 (en) * | 2011-09-08 | 2012-07-20 | 정정대 | Dust-proof mask |
| CN202311287U (en) * | 2011-11-17 | 2012-07-11 | 代尔塔（中国）安全防护有限公司 | Replaceable multifunctional dust protecting mask |
| CN203647902U (en) * | 2013-12-17 | 2014-06-18 | 许均国 | Novel respirator |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948188A (en) * | 2014-04-30 | 2014-07-30 | 李甲亮 | Traditional Chinese medicine protective mask filter element capable of filtering PM2.5 |
| CN103948188B (en) * | 2014-04-30 | 2015-09-02 | 李甲亮 | The Chinese medicine protective mask filter core of purification PM2.5 |
| WO2017091920A1 (en) * | 2015-12-03 | 2017-06-08 | Honeywell International Inc. | Annular unit for moisture management in respiratory mask |
| US10864391B2 (en) | 2015-12-03 | 2020-12-15 | Honeywell International Inc. | Annular unit for moisture management in respiratory mask |
| CN105749443A (en) * | 2016-04-22 | 2016-07-13 | 何长江 | Cleanable membrane breather valve |
| USD807509S1 (en) | 2016-07-06 | 2018-01-09 | Sleepnet Corporation | Replaceable filter element |
| USD811582S1 (en) | 2016-07-06 | 2018-02-27 | Sleepnet Corporation | Face mask |
| USD812737S1 (en) | 2016-07-06 | 2018-03-13 | Sleepnet Corporation | Face mask |
| USD820435S1 (en) | 2017-06-23 | 2018-06-12 | Sleepnet Corporation | Headgear |
| CN109945348A (en) * | 2019-03-29 | 2019-06-28 | 佛山市金净创环保技术有限公司 | Portable air purifier with and combinations thereof body |
| CN111084944A (en) * | 2020-02-13 | 2020-05-01 | 河南驼人医疗器械集团有限公司 | Full-surrounding protective hood |
| CN111084944B (en) * | 2020-02-13 | 2024-03-26 | 河南驼人医疗器械集团有限公司 | Full-surrounding protective hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103706055A (en) | Novel respirator | |
| KR101568648B1 (en) | A Mask for Preventing Contaminant Inhalation | |
| US20210346730A1 (en) | Respiratory protective device | |
| KR20120055441A (en) | Dust protective mask having the ring-shaped pad and filter support | |
| CN207269903U (en) | A kind of high-sealed mask | |
| TWI587888B (en) | Face mask having embedded nose pad | |
| CA3133167A1 (en) | Nasal mask | |
| CN205434739U (en) | Filter equipment breathes in | |
| CN203555199U (en) | Mask | |
| CN203647902U (en) | Novel respirator | |
| CN211835880U (en) | Protective mask assembly | |
| CN102440458A (en) | Face mask with antifogging or fog-reducing function | |
| CN108783656A (en) | Mask | |
| CN208925293U (en) | A kind of smooth haze health-care gauze mask of breathing | |
| CN111602878A (en) | Healthy and safe mask | |
| TWM536069U (en) | Protective mouth mask with embedded nose pad | |
| KR20220075287A (en) | Mask | |
| CN212756871U (en) | Head-mounted mask with strong fitting degree | |
| CN212306888U (en) | Infectious virus protective mask | |
| TWM565046U (en) | Mask with imbedding type nasal elastomer | |
| CN208875443U (en) | A kind of mask promoted leakproofness and combine wear comfort | |
| CN206403260U (en) | A kind of mouth mask of the flexible nose sealing strip of band | |
| CN206642226U (en) | Mouth mask | |
| CN207054890U (en) | Dispoable medical mouth mask | |
| CN206214591U (en) | A kind of bellows breathing equipment with sealing cover body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180320 |
|
| AD01 | Patent right deemed abandoned |