CN104147719B - Mouth mask with breather valve - Google Patents
Mouth mask with breather valve Download PDFInfo
- Publication number
- CN104147719B CN104147719B CN201410396025.8A CN201410396025A CN104147719B CN 104147719 B CN104147719 B CN 104147719B CN 201410396025 A CN201410396025 A CN 201410396025A CN 104147719 B CN104147719 B CN 104147719B
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- outlet body
- breather valve
- mouth mask
- outer outlet
- valve
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- Respiratory Apparatuses And Protective Means (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The present invention discloses a kind of mouth mask with breather valve, the filtering inner cover of the inner side of outer outlet body is removably attachable to including outer outlet body and in a manner of fitting, the lower position of the outer outlet body is fixed with breather valve, and the breather valve is provided with a groove in one end on the inside of outer outlet body；The filtering inner cover, which corresponds to, offers a hole at the valve body, the periphery of the hole is fixedly connected with a garment bag with ultrasonic welding process, and the garment bag is fastened in the groove of breather valve in an interference fit.Mouth mask is divided into outer outlet body and filtering inner cover by the present invention, after use, can be abandoned filtering inner cover and be retained outer outlet body, this split-type structural design can reduce the waste of material, meet environmental requirement；Meanwhile the garment bag sealing is locked on valve body, it can be ensured that the mouth mask has splendid dust-proof effect, and the fastness that the enhancing filtering inner cover is combined with outer outlet body.
Description
Technical field
The present invention relates to civilian mouth mask field, more particularly to a kind of mouth mask with breather valve.
Background technology
With the popularization of industrial expansion and private car, the pollution problem of urban air is more and more severe, especially
PM2.5 content overproofs, have a strong impact on the health of people's trip.In order to reduce the excessive harmful substance of suction, wearing mouth mask is a kind of
The common precautionary measures, unlike the integral type mouth mask of most original, existing mouth mask typically carries breather valve, and this is greatly
Improve the smoothness of wearer's breathing.
However, there is following defect in the existing civilian mouth mask with outlet valve and labour protection mouth mask on the market：First, outlet valve is in itself
It is a part for disposable mouth mask or installed in the consumptive material part of changeable type mouth mask, it is unfavorable which results in the waste of material
In reduction manufacturing cost, and environmental requirement is not met；2nd, the sealing between breather valve and mask main body is not high, long-term use of
Easy gas leakage afterwards, so as to have a strong impact on that it obstructs the performance of harmful substance.
The content of the invention
In view of the shortcomings of the prior art, split type, environmentally friendly, good airproof performance carried it is an object of the invention to provide a kind of
The mouth mask of breather valve.
To achieve the above object, the present invention adopts the following technical scheme that：
Mouth mask with breather valve, including outer outlet body and the inner side for being removably attachable in a manner of fitting outer outlet body
Inner cover is filtered, the lower position of the outer outlet body is fixed with breather valve, and the breather valve is provided with one end on the inside of outer outlet body
One groove；The filtering inner cover, which corresponds to, offers a hole at the valve body, the periphery of the hole is consolidated with ultrasonic welding process
Surely a garment bag is connected, the garment bag is fastened in the groove of breather valve in an interference fit.
Further, the breather valve includes bonnet, diaphragm and valve body, and the bonnet is with valve body respectively from the outer outlet body
Outside and inner side load and be mutually clamped and link together, the diaphragm is installed between bonnet and valve body；The groove is opened
Located at valve body on the side of the side of face.
Further, the edge of the filtering inner cover is attached at the inner side of outer outlet body using double faced adhesive tape or VELCRO.
Further, the garment bag includes main part and the side ring formed from the outstanding extension of main part lateral surface,
The side ring is fixedly connected with the periphery of described hole with ultrasonic welding process.
Further, the mouth mask with breather valve also includes round sealing strip, and the outer rim of the sealing strip is with ultrasonic wave
Welding procedure is fixed on the medial surface of filtering inner cover.
Further, the sealing strip is flat seal bar or circular arc sealing strip.
Further, the outer outlet body includes main cover body, and be connected to main cover body up and down both sides upper outlet body and
Lower cover, the main cover body, upper outlet body and lower cover surround a wearing space for being used to house face nose and mouth jointly.
Further, the top margin of the upper outlet body is fixed with a shaped element set along its length, and the shaped element is used
In making the upper cover body-shaping.
Further, the shaped element is a twin-core plastic strip, and the twin-core plastic strip includes a plastic sheet and is embedded in
The iron wire on the plastic sheet both sides；The sewing of the top margin of the twin-core plastic strip and upper outlet body is fixed together.
Further, the both sides of the filtering inner cover are also sticked respectively an absorbing sweat piece.
As described above, mouth mask is divided into outer outlet body and filtering inner cover by the present invention, after use, filtering inner cover can be abandoned and protected
Outer outlet body is stayed, this split-type structural design can reduce the waste of material, meet environmental requirement；Meanwhile the garment bag interference
It is fastened on valve body, it can be ensured that the mouth mask has splendid dust-proof effect, while can strengthen the filtering inner cover and outer outlet body knot
The fastness of conjunction.
Brief description of the drawings
Fig. 1 is the stereogram of mouth mask of the present invention with breather valve；
Fig. 2 is the three-dimensional exploded view of the mouth mask with breather valve shown in Fig. 1；
Fig. 3 is the structural representation of twin-core plastic strip in the present invention；
Fig. 4 is the top view of garment bag in the present invention；
Fig. 5 is garment bag and sectional view when filtering inner cover, valve body assembling in the present invention；
Fig. 6 is the schematic cross-section of midplane sealing strip of the present invention；
Fig. 7 is the schematic cross-section of circular arc sealing strip in the present invention；
Fig. 8 is the stereogram of the outer outlet body of the present invention；
Fig. 9 is the top view of the outer outlet body of the present invention；
Figure 10 is intermediateness schematic diagram of the outer outlet body of the present invention when making.
Wherein：1st, outer outlet body；11st, breather valve；111st, valve body；12nd, main cover body；13rd, upper outlet body；14th, lower cover；15th, ear
Band；161st, aluminum strip；162nd, twin-core plastic strip；163rd, plastic sheet；164th, iron wire；18th, big multilayer cloth；19th, small laminates
Material；2nd, inner cover is filtered；21st, hole；22nd, garment bag；221st, main part；222nd, side ring；231st, flat seal bar；232nd, circular arc is close
Strip of paper used for sealing；3rd, double faced adhesive tape.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
Fig. 1, Fig. 2, Fig. 8 and Fig. 9 are referred to, the present invention discloses a kind of mouth mask with breather valve, including outer outlet body 1, patch
Located at the inner side of outer outlet body 1 filtering inner cover 2 and be connected to the ear band 15 at the both ends of outer outlet body 1, the lower orientation of the outer outlet body 1
Put and be fixed with breather valve 11, the breather valve 11 is existing mature technology, including bonnet, diaphragm and valve body 111, inside breather valve 11
Provided with one-way valve mechanism, only allow to exhale, while obstruct air-breathing, here is omitted on the operation principle of the breather valve 11；
During assembling, the bonnet, which loads and is mutually clamped from the outside of the outer outlet body 1 and inner side respectively with valve body 111, is connected to one
Rise, the diaphragm is installed between bonnet and valve body 111, and the valve body 111 is provided with a circle close to the side of the side of face
Groove 112.
A hole 21 is offered at the corresponding valve body 111 of filtering inner cover 2, the periphery of the hole 21 is with supersonic welding
Connect technique and be fixedly connected with a garment bag 22, during assembling, the garment bag 22 is fastened in the recessed of valve body 111 in an interference fit
In groove 112, so that it is guaranteed that the positive confinement between the breather valve 11 and mouth mask.
Please refer to Fig. 4 and Fig. 5, it is preferred that the garment bag 22 includes main part 221 and on the outside of main part 221
Face out and protrude the side ring 222 that extension is formed, depending on the width viewport cover size of the side ring 222 and the size of described hole 21,
Generally 8~10mm；The interference of main part 221 is fastened in the groove 112, the periphery of the side ring 222 and described hole 21
It is fixedly connected with ultrasonic welding process, such structure can increase garment bag 22 with filtering the bonding area of inner cover 2, further
Sealing is improved, while the fastness that garment bag 22 is connected with mouth mask can be strengthened.
It is pointed out that the main part 221 of the garment bag 22 is fastened in a manner of interference in the groove 112
When, certain draught head can be born, in the range of the draught head, pressure caused by normal suction can not be by the main part
221 release out of groove 112, so as to can ensure that fastness that garment bag 22 is combined with valve body 111, that is, ensure that no gas leakage shows
As.
From the foregoing, it will be observed that in the use of the present invention, filtering inner cover 2 can separate with outer outlet body 1, in general, mouth mask exists
Inner cover 2 is filtered after use to be abandoned, and outer outlet body 1 can then be remained and recycled；Wherein, garment bag 22 passes through supersonic welding
Connect the edge that technique is connected to hole 21, it is ensured that sealing therebetween, meanwhile, utilize the plastic cement bullet of garment bag 22 itself
Property, is fastened in a manner of interference in the groove 112 of valve body 111, it is ensured that reaches splendid close between valve body 111 and garment bag 22
Feng Xing, and then ensure that the mouth mask with breather valve has splendid dust-proof effect.
Please continue to refer to Fig. 1 and Fig. 2, specifically, the edge of the filtering inner cover 2 can use double faced adhesive tape 3 or VELCRO
The inner side of outer outlet body 1 is attached at, in the present embodiment, double faced adhesive tape 3 is provided between the outer outlet body 1 and filtering inner cover 2, works as wearing
When person uses, a piece of new filtering inner cover 2 is taken out into packaging bag, garment bag 22 is installed, tears release on double faced adhesive tape 3
After paper, double faced adhesive tape 3 is adhered to the medial surface of outer outlet body 1, then filtering inner cover 2 is attached on outer outlet body 1；So far, pass through
Double faced adhesive tape 3 is fixedly connected with garment bag 22, is formed between outer outlet body 1 and filtering inner cover 2 and is relatively fixed connection, prevented in filtering
There is the phenomenon released in cover 2.
Fig. 6 and Fig. 7 is please referred to, as a further improvement, the mouth mask that should carry breather valve is also close including a round
Strip of paper used for sealing, the outer rim of the sealing strip is fixed on the medial surface of filtering inner cover 2 with ultrasonic welding process, specifically, the sealing strip can
To be flat seal bar 231 or circular arc sealing strip 232, the cross section of the flat seal bar 231 for linear (such as
Shown in Fig. 6), the cross section of the circular arc sealing strip 232 is circular arc (as shown in Figure 7)；When dressing mouth mask, the sealing strip pad
Between face and filtering inner cover 2, the sealing of mouth mask can be further enhanced, while face mouth and nose can also increased to a certain degree
The breathing space in portion, be advantageous to the smooth breathing of wearer；Particularly circular arc sealing strip 232 also has certain resilience,
Adaptability deformation can be produced according to different shapes of face when dressing mouth mask, increase its contact area with face, reach more preferably close
Seal effect；It is worth mentioning, the sealing strip can be made of PE foams.
Fig. 3, Fig. 8, Fig. 9 and Figure 10 are please referred to, further, the outer outlet body 1 includes the main cover body in folded form
12, and be connected to the upper outlet body 13 and lower cover 14 on main cover body both sides about 12, the main cover body 12, upper outlet body 13 and under
Cover body 14 surrounds a wearing space (not indicated in figure) for being used to house face nose and mouth jointly, specifically in the present embodiment,
The outer outlet body 1 is multilayer cloth, and the multilayer cloth is made up of three layers of cloth, ecto-entad be respectively fabric, acupuncture cotton and in
Material, wherein, the fabric can use terylene, and this layer of cloth has smooth, without dust feature；The acupuncture cotton can use poly- third
Alkene (PP), the main filtration of this layer of cloth；The lining uses cotton, and this layer of cloth has softness, do not hinder the excellent of skin
Point；Specifically when making the outer outlet body 1, need to only use big two blocks of above-mentioned multilayer clothes once can (as shown in Figure 10),
Big multilayer cloth 18 cuts out a triangular cut, then two by upper and lower two triangular cut respectively along center line in upper-lower position
Bar side is sutured respectively, can form a primary outer outlet body；The small multilayer cloth 19 is triangle, by small laminates
Material 19 is sewn on the base of the primary outer outlet body, the outer outlet body 1 can be made, the upper outlet body 13 is by big laminates
Material 18 upper triangular cut formed by suturing its both sides, the lower cover 14 by big multilayer cloth 18 lower triangular cut
By suturing its both sides, the small multilayer cloth 19 of additional suture is formed, in the outer outlet body 1 of finished product, the upper outlet body 13 and under
Cover body 14 tilts certain angle to the wearing interior volume, and such structure design makes the wearing space to be formed more vertical
Body, can preferably it be bonded with face：When putting on the mouth mask, the main cover body 12 fits in face face and two cheek positions, described
Lower cover 14 is coated on the chin position of face, and the upper outlet body 13 is coated on nose and the two cheek positions of face, greatly subtracted
Few mouth mask fold gap；The above-mentioned mouth mask containing acupuncture cotton is applied to the more serious city of haze weather, in some haze weathers
Lighter city, this layer of acupuncture cotton can be also saved, and fabric and the lining composition mask main body 1 is used only, escapable cost,
And the permeability beneficial to mouth mask.
The top margin of the upper outlet body 13 is fixed with a sizing setting along its length, for making upper outlet body 13 shape
Part, the shaped element are made up of flexible material, it is preferable that pack edge is made on the top margin of the upper outlet body 13 and the base of lower cover 14
Reason, the bound edge use terylene；The shaped element is an aluminum strip 161 (as shown in Figure 2), it is, of course, also possible to be other flexible gold
Belong to bar；The aluminum strip 161 is fixed on inside the bound edge of upper outlet body 13；In another embodiment, the shaped element is moulded for a twin-core
Material strip 162 (as shown in Figure 3), the twin-core plastic strip 162 include a plastic sheet 163 and are embedded in the iron wire on the both sides of plastic sheet 163
164, the plastic sheet 163 is made up of polypropylene (PP), and the iron wire 164 has flexibility, and plastic sheet 163 plays two iron wires of connection
164 effect, the twin-core plastic strip 162 are sewed on the top margin of upper outlet body 13；By bending the shaped element, it is in " ^ " shape to make it,
So as to make the top margin of upper outlet body 13 be in " ^ " shape, nose clip is formed, and then makes the acquisition of upper outlet body 13 and the bridge of the nose is seamless to be bonded effect
Fruit, masking Dead Core Problems are thoroughly excluded, improve dust-proof effect of whole mouth mask；With being worth mentioning, in this implementation, the shaped element
It is affixed in the bound edge of the top margin of upper outlet body 12, can so makes mouth mask outer without thrust, it is more attractive in appearance；Certainly, the shaped element
The outer surface of upper outlet body 12 can also be directly fixed on, can equally play a part of nose clip；The ear band 15 also can be replaced head
Band (not shown), can further enhance the stability that the mouth mask is worn on head part.
Specifically, the filtering inner cover 2 is made up of outer layer non-woven fabrics, middle level non-woven fabrics and internal layer non-woven fabrics, wherein, institute
35g spinning buildings can be used by stating outer layer non-woven fabrics, and the middle level non-woven fabrics can use N95 fusion spray cloths, and the internal layer non-woven fabrics uses
It 25g spinning buildings, can make the filtering inner cover 2 that both there is good filter efficacy, there is fluffy comfortableness again.
In addition, during wearing masks for a long time, face can perspire, and then influence the comfort level of wearing, in order to timely
Sweat is excluded, mitigates sense of discomfort, the absorbing sweat piece (not shown) that is sticked respectively at the left and right cheek of people can be corresponded on the inside of mouth mask,
Sweat is blotted, so as to improve the comfort level of wearer.
As described above, mouth mask is divided into outer outlet body 1 and filtering inner cover 2 by the present invention, after use, filtering inner cover 2 can be abandoned
And retaining outer outlet body 1, this split-type structural design can reduce the waste of material, meet environmental requirement；Meanwhile the garment bag
22 interference are fastened on valve body 111, it can be ensured that the mouth mask has splendid dust-proof effect, while can strengthen the filtering inner cover 2
The fastness combined with outer outlet body 1.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. the mouth mask with breather valve, it is characterised in that：Outer cover is removably attachable to including outer outlet body and in a manner of fitting
The filtering inner cover of the inner side of body, the lower position of the outer outlet body are fixed with breather valve, the breather valve include bonnet, diaphragm and
Valve body, the bonnet, which loads and is mutually clamped from the outside of the outer outlet body and inner side respectively with valve body, to link together, described
Diaphragm is installed between bonnet and valve body；The breather valve is provided with a groove in one end on the inside of outer outlet body；The filtering
Inner cover corresponds to and a hole is offered at the valve body, and the periphery of the hole is fixedly connected with a garment bag with ultrasonic welding process,
The garment bag is fastened in the groove of breather valve in an interference fit.
2. the mouth mask of breather valve is carried as claimed in claim 1, it is characterised in that：The edge of the filtering inner cover is using two-sided
Glue or VELCRO are attached at the inner side of outer outlet body.
3. the mouth mask of breather valve is carried as claimed in claim 1, it is characterised in that：The garment bag includes main part and from master
Portion outside, which faces out, protrudes the side ring that extension is formed, and the periphery of the side ring and described hole is fixed with ultrasonic welding process to be connected
Connect.
4. the mouth mask of breather valve is carried as claimed in claim 1, it is characterised in that：Also include round sealing strip, the sealing strip
Outer rim with ultrasonic welding process be fixed on filtering inner cover medial surface.
5. the mouth mask of breather valve is carried as claimed in claim 4, it is characterised in that：The sealing strip be flat seal bar or
Circular arc sealing strip.
6. the mouth mask of breather valve is carried as claimed in claim 1, it is characterised in that：The outer outlet body includes main cover body, and
The upper outlet body and lower cover on both sides above and below main cover body are connected to, the main cover body, upper outlet body and lower cover surround a use jointly
In the wearing space of accommodating face nose and mouth.
7. the mouth mask of breather valve is carried as claimed in claim 6, it is characterised in that：The top margin of the upper outlet body is fixed with an edge
The shaped element that its length direction is set, the shaped element are used to make the upper cover body-shaping.
8. the mouth mask of breather valve is carried as claimed in claim 7, it is characterised in that：The shaped element is a twin-core plastic strip,
The twin-core plastic strip includes a plastic sheet and is embedded in the iron wire on the plastic sheet both sides；The top of the twin-core plastic strip and upper outlet body
Side seam system is fixed together.
9. the mouth mask of breather valve is carried as claimed in claim 1, it is characterised in that：Also paste respectively the both sides of the filtering inner cover
Provided with an absorbing sweat piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396025.8A CN104147719B (en) | 2014-08-12 | 2014-08-12 | Mouth mask with breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396025.8A CN104147719B (en) | 2014-08-12 | 2014-08-12 | Mouth mask with breather valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104147719A CN104147719A (en) | 2014-11-19 |
| CN104147719B true CN104147719B (en) | 2017-11-10 |
Family
ID=51873471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410396025.8A Active CN104147719B (en) | 2014-08-12 | 2014-08-12 | Mouth mask with breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104147719B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD827811S1 (en) | 2016-09-16 | 2018-09-04 | 3M Innovative Properties Company | Valve cover |
| USD827812S1 (en) | 2016-09-16 | 2018-09-04 | 3M Innovative Properties Company | Valve cover with openings |
| USD828546S1 (en) | 2016-09-16 | 2018-09-11 | 3M Innovative Properties Company | Valve cover with openings |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641821A (en) * | 2016-03-03 | 2016-06-08 | 北京尚宏恒远科技有限公司 | Active intake mask |
| USD842983S1 (en) | 2016-09-16 | 2019-03-12 | 3M Innovative Properties Company | Valve cover |
| USD849245S1 (en) | 2016-09-16 | 2019-05-21 | 3M Innovative Properties Company | Valve cover |
| USD843562S1 (en) | 2016-09-16 | 2019-03-19 | 3M Innovative Properties Company | Valve cover with diamond pattern |
| USD900306S1 (en) | 2016-09-16 | 2020-10-27 | 3M Innovative Properties Company | Valve cover |
| USD882758S1 (en) | 2016-09-16 | 2020-04-28 | 3M Innovative Properties Company | Valve cover |
| CN107349536B (en) * | 2017-07-13 | 2020-07-21 | 青岛大学 | Intelligent mask with breather valve |
| CN111838814A (en) * | 2020-07-24 | 2020-10-30 | 裴兴东 | Detachable mask |
| CN114073347A (en) * | 2020-08-12 | 2022-02-22 | 广州拜费尔空气净化材料有限公司 | Multifunctional protective mask |
| WO2022083500A1 (en) * | 2020-10-22 | 2022-04-28 | 邱萍 | Nose-fitting partitioned mask |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003103425A1 (en) * | 2002-06-05 | 2003-12-18 | Louis M. Gerson Co., Inc. | Face mask and method of manufacturing the same |
| UA64373A (en) * | 2003-05-22 | 2004-02-16 | Alim Abdul-Amidovych Ennan | Respirator |
| JP2010131331A (en) * | 2008-12-08 | 2010-06-17 | Max Co Ltd | Mask applying tool and mask |
| KR101013242B1 (en) * | 2009-04-28 | 2011-02-09 | 우제정 | cover mold for anti-dust mask |
| WO2011026515A1 (en) * | 2009-09-02 | 2011-03-10 | John Ribchester | Face mask |
| KR100999860B1 (en) * | 2010-03-05 | 2010-12-09 | 정정대 | Dust-proof masks |
| CN201742977U (en) * | 2010-05-19 | 2011-02-16 | 多力度国际贸易（北京）有限公司 | Cordless type mask |
| CN101920054B (en) * | 2010-08-17 | 2012-12-12 | 深圳市安保科技有限公司 | Medical nasal mask |
| CN201869814U (en) * | 2010-10-21 | 2011-06-22 | 陈琳彬 | Mask |
| CN202160697U (en) * | 2011-08-08 | 2012-03-14 | 上海大胜卫生用品制造有限公司 | Replaceable type dust 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 |
| CN103127632A (en) * | 2011-11-22 | 2013-06-05 | 埃森·费尔索夫 | Breathing mask and filter thereof |
| CN203523849U (en) * | 2013-11-04 | 2014-04-09 | 陈华锋 | Mask |
| CN204034073U (en) * | 2014-08-12 | 2014-12-24 | 广州拜费尔空气净化材料有限公司 | With the mouth mask of Novel breather valve |
-
2014
- 2014-08-12 CN CN201410396025.8A patent/CN104147719B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD827811S1 (en) | 2016-09-16 | 2018-09-04 | 3M Innovative Properties Company | Valve cover |
| USD827812S1 (en) | 2016-09-16 | 2018-09-04 | 3M Innovative Properties Company | Valve cover with openings |
| USD828546S1 (en) | 2016-09-16 | 2018-09-11 | 3M Innovative Properties Company | Valve cover with openings |
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| Publication number | Publication date |
|---|---|
| CN104147719A (en) | 2014-11-19 |
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Effective date of registration: 20190722 Address after: 510000 Doutang Road, Yonghe District, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong Province Patentee after: Guangzhou Jie Te biofiltration limited-liability company Address before: 510730 Second Floor of General Assembly Workshop 173-175 Youyi Road, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong Province Patentee before: GUANGZHOU BAIFEIER AIR PURIFICATION MATERIAL CO., LTD. |
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Effective date of registration: 20200417 Address after: 510000 Room 201, floor 2, workshop B, No. 1, doutang Road, Yonghe Economic Zone, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee after: GUANGZHOU BAIFEIER AIR PURIFICATION MATERIAL Co.,Ltd. Address before: 510000 Doutang Road, Yonghe District, Guangzhou Economic and Technological Development Zone, Guangzhou, Guangdong Province Patentee before: Guangzhou Jet Bio-Filtration Co.,Ltd. |
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| TR01 | Transfer of patent right |