CN106666872A - Three-dimensional foldable mask - Google Patents
Three-dimensional foldable mask Download PDFInfo
- Publication number
- CN106666872A CN106666872A CN201710171079.8A CN201710171079A CN106666872A CN 106666872 A CN106666872 A CN 106666872A CN 201710171079 A CN201710171079 A CN 201710171079A CN 106666872 A CN106666872 A CN 106666872A
- Authority
- CN
- China
- Prior art keywords
- folding
- mask
- line
- fold
- folding line
- 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.)
- Granted
Links
Classifications
-
- 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
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/06—Mouthpieces; Nose-clips
Abstract
The invention provides a three-dimensional foldable mask. The three-dimensional foldable mask comprises a face mask composed of at least one layer of filter sheet, and the face mask is provided with a foldable part. The three-dimensional foldable mask is characterized in that the foldable part is provided with fold line creases and fold creases; each fold line crease is composed of at least two line sections which are connected end to end; the fold creases are distributed on the face mask from the vertex of the fold line crease; two or more than two fold creases are distributed from the vertex of each fold line crease, and the fold line creases are folded along the fold creases to flatten folds; each layer is flat and stacked after being folded; and four sides of the folded face mask are stuck. When the mask is used, the foldable part is pulled and unfolded to form an outward protruding space at the vertexes of the fold line creases, the shape is stable, and the airflow is smooth; and the filtering efficiency of each part of the filter sheet can be expressed in a balanced manner, and the whole filtering effect is improved.
Description
Technical field
The present invention be directed to the application number 2014108254203, applying date is on December 28th, 2014, entitled " vertical
The divisional application of the application for a patent for invention of body chip folding low pressure mouth mask ", the present invention relates to a kind of mouth mask, more particularly to a kind of
Spatial folding mouth mask.
Background technology
With the raising that people's hygiene and health are realized, mouth mask spreads all over already each neck of our lives as a kind of protection tool
Domain, such as medical treatment, chemical industry, Furniture manufacture industry, today that environmental pollution is caused in process of industrialization, we had to band
Mouth mask trip is played, to avoid haze from injuring, the Main Function for making a general survey of these mouth masks is exactly that microparticle and virus are filtered in isolation, it is to avoid
Microparticle and virus are directly sucked in lung and cause the negative effect to health of human body.Existing mouth mask species is various, it is the most frequently used still with
Based on folding chip mouth mask with low cost, if stacked by the tiling of dried layer filter constituting, the folding of multiple tracks level is set on filter
Folded, both sides are connected band, pull open up and down when wearing, due to the length and filter on each road fold flat direction it is upper and lower
The horizontal length at edge is equal, and folded length is non-adjustable, thus be limited pull open after cannot obtain larger depth space；Wear
When under the drawing of fixing band the top edge and horizontal folding of filter tend to tight state, can make horizontal folding position closer to
Or nose and mouth are pressed in, because filter is pressed in mouth and nose position, narrow space between mouth and nose and filter causes filter against mouth
Pressure reduction inside and outside nose position is higher than that the imbalance of pressure distribution causes filter air flow rate and laying dust everywhere away from nose and mouth
Amount is also different, causes filter to balance everywhere and plays its filtering efficiency, and filter is just high to mouth and nose position inside and outside differential pressure, stream
Amount is high, laying dust is more, considerably increases transmission probability of the microparticle under high velocity air drive against on the filter of nose and mouth；Also
There is filter shape and structure stability poor, air-flow is big to filter impulsive force when closely causing breathing away from mouth and nose, vibrations deformation also can
Increase the probability that microparticle is passed through, filter can cause external pressure in naris position closer to nostril under suction during air-breathing
Difference is higher；Under horizontal folding tight state, filter and face's contact area can be also increased, reduce the effective filtering surface of filter
Product, has air-flow and has some setbacks the sensation felt suffocated, particularly when in order to improve filter effect micropore contract very little when feel suffocated phenomenon more
Substantially；And top edge is tight can also make gap occur between filter top edge and wing of nose nest, dust is by gap when causing air-breathing
Entering into face masks affects filter effect, still awaits technological improvement with regard to these problems in addition perfect.
The content of the invention
For the problems referred to above, the invention provides a kind of spatial folding mouth mask.
The technical solution used in the present invention is：A kind of spatial folding mouth mask, including the face being made up of at least one of which filter
Cover, mask is provided with folding, it is characterised in that the folding is provided with straight line folding line, broken line folding line and fold folding line, and mask is along straight line
Again along broken line folding line reverse reflex after the positive turnover of folding line, broken line folding line is at least connected and composed by two lines section head and the tail, fold folding
Trace is distributed on the mask of reverse reflex by the summit starting of broken line folding line, and the fold folding line of each broken line folding line summit starting is two
More than road, fold is smoothed along fold folds, each layer after folding is in plain film superposed state, fold rear mask edge and glue
Close.
Further, the straight line folding line intersects with broken line folding line in mask rim.
Further, the straight line folding line possesses gap with broken line folding line on mask rim.
Further, it is described to be folded into one group, it is arranged on mask side.
Further, it is described to be folded into two groups, it is respectively provided at mask both sides.
Further, described folding is more than two groups, is distributed in around mask.
Further, the mask upper limb bridge of the nose both sides wing of nose nest position is connected with the sealing wing prominent laterally.
Further, the mask is provided with reciprocating folding.
Further, it is provided with brace rod by the folding line.
Further, the twice fold folding line position bonding of the broken line folding line summit starting is integrated.
Bond to form sheet mouth mask according to surrounding after folds of the present invention, open foldable is stretched when using can be in broken line folding line
Summit forms outside projection space, and shape and structure is stablized under the support of folding line and proximal surface, the protrusion under fixing band drawing
Space can also keep form stable, will not oppress mouth and nose, and vibrations deformation is little, filter and the little effective filtering surface of face's contact area
Product is big, airflow smooth, and everywhere air flow rate is balanced for filter, and everywhere filtering efficiency can be balanced performance to filter, fix
With drawing, the formation in the lower and sharp space of nose can also promote filter top edge wing of nose position close to wing of nose nest, improve leakproof
Gas performance, improves integral filter effect.The presence of its fold also increases effective filtration area, and with sheet mouth mask into
This low advantage.
Description of the drawings
Fig. 1 is that the filter of the embodiment of the present invention one launches to face each folding line structural representation.
Fig. 2 is positive structure diagram after the folding of the embodiment of the present invention one.
Fig. 3 is backsight structural representation after the folding of the embodiment of the present invention one.
Fig. 4 is the edge shearing schematic diagram of the embodiment of the present invention one.
Fig. 5 is schematic diagram after the edge shear bond of the embodiment of the present invention one.
Fig. 6 is that the filter of the embodiment of the present invention two launches to face each folding line structural representation.
Fig. 7 is that the filter of the embodiment of the present invention three launches to face each folding line structural representation.
Fig. 8 is that the filter of the embodiment of the present invention four launches to face each folding line structural representation.
Fig. 9 is that the filter of the embodiment of the present invention five launches to face each folding line structural representation.
Figure 10 is that the filter of the embodiment of the present invention six launches to face each folding line structural representation.
Figure 11 is that the filter of the embodiment of the present invention seven launches to face each folding line structural representation.
Label title in figure：1 straight line folding line；2nd, 3,12,13,14 broken line folding line；4th, 5,6,7,15,16 fold folding line；8 consolidate
Determine band；The 9 sealing wings；10th, 11 "the" shapes are folded；12 shearing lines.
Specific embodiment
Just like shown in Fig. 1 to 5, the spatial folding mouth mask is provided with the face being made up of more than one layer filter to the embodiment of the present invention
Cover, mask is provided with folding, and the folding is provided with straight line folding line 1, broken line folding line 2,3 and fold folding line 4,5,6,7, and these folding lines exist
Marked with dotted line respectively in figure, wherein long dotted line is paddy folding line, pecked line is peak folding line, arrow is folding direction, edge
Internal is forward folded across dotted arrow, and the arrow across edge is folded inverted, under Fig. 1 visual angles at paddy folding line forward folded into
Paddy, folded inverted Cheng Feng at peak folding line, mask is after the positive turnover of straight line folding line 1 again along broken line folding line 2,3 reverse reflex, broken line
Folding line is connected and composed by two lines section, and fold folding line is distributed on the mask of reverse reflex by the summit starting of broken line folding line, this reality
A fold folding line is applied for four, along fold folds fold is smoothed, each layer after folding is in plain film superposed state, after folding just
Depending on as shown in Figure 2, backsight as shown in figure 3, and then show that shown shearing line 12 is molded by Fig. 4, then edge is bonded, two
Side adds 8 one-tenth Fig. 5 shapes of fixing band, and edge shape can set according to shape of face, in the mask upper limb bridge of the nose both sides when the present embodiment is sheared
The sealing wing 9 prominent laterally is left in wing of nose nest position, also can be entered using soft metal bar or sealing cotton without the sealing wing during enforcement
Row wing of nose nest is sealed；The present embodiment illustrated process is first to fold prune again shaping, can also be first by filter by exhibition when being embodied as
Open form shape shear forming, then refolding edge sealing；Bond to form sheet mouth mask according to surrounding after folds of the present invention, when using
Stretching open foldable can form outside sharp projection space on broken line folding line summit, the imitative nose shape in the sharp space, just cover
At nose position, filter is moderate with mouth and nose spacing, and breathing cushion space is abundant and not excessive, and the space is in folding line and proximal surface
Lower shape and structure is supported to stablize, projection space intermediate lateral length is more than upper and lower edge lateral length, should under fixing band drawing
Prominent space can also keep form stable, will not oppress mouth and nose, and vibrations deformation is little, filter and the little effective mistake of face's contact area
Filtering surface product is big, airflow smooth, and everywhere air flow rate is balanced for filter, and everywhere filtering efficiency can be balanced performance to filter,
Can also make filter top edge wing of nose position close to wing of nose nest under fixing band drawing, improve anti-gas-leak performance, improve entirety
Filter effect；The presence of its fold also increases effective filtration area, and with the advantage of sheet mouth mask low cost.
The embodiment of the present invention two as shown in fig. 6, the spatial folding mouth mask it is different from embodiment one be described to be folded into two
Group, two groups of foldings are shared straight line folding line and are symmetric as line of symmetry with the straight line folding line, stretch open form into upper and lower two
Place projection space, accommodates nose at one, lower jaw is accommodated at one, more reasonable with space layout while one advantage of embodiment, with
Face mask suitability is more preferable；The present embodiment implement when also rotatable 90 degree use projection space left-right situs at two.Figure
Middle filter does not carry out shaping for square, and edge sealing can be folded after first shearing shaping during enforcement.
The embodiment of the present invention three is different to exist as shown in fig. 7, the spatial folding mouth mask and embodiment two are similarly two groups of foldings
No longer share a straight line folding line in two groups of foldings, but each there is the straight line folding line of oneself, in up and down it is symmetrical possess between
Gap, with the same advantage of embodiment two, can pass through the interval between two groups of foldings and adjust the upper and lower size formats of mask opening.
The embodiment of the present invention four is as shown in figure 8, the spatial folding mouth mask is equipped with one in 3 two groups of folding gaps of embodiment
Reciprocating "the" shape folds 10, further adjustment mask mouth space, and lip does not have filter friction compressing obstacle when speaking,
The present embodiment is folded only with one "the" shape, can also be folded using multiple tracks " it " word during enforcement, multiple tracks " it " word folding
The folded arrangement that can stagger, it is also possible to stack arrangement, can also adopt the positive and negative arrangement mode of a positive and a negative.
The embodiment of the present invention five is as shown in figure 9, with above-described embodiment cathetus folding line and broken line folding line on mask rim
Possess gap different, the present embodiment spatial folding mouth mask straight line folding line intersects in mask rim with broken line folding line, equally can give birth to
Into sharp projection space, there is reciprocating "the" shape to fold 11 on mask, can adjust oral area space, application effect is preferable.
As shown in Figure 10, the mask of the spatial folding mouth mask is provided with three groups of foldings to the embodiment of the present invention six, one group it is upper,
One group of bottom right under lower-left, a group, in being circumferentially arranged, upper group of broken line folding line 12,13,14 is connected and composed and each by three sections of head and the tail
The initial fold folding line 15,16 in broken line folding line summit is twice, and lower-left, two groups of bottom right broken line folding line are connected and composed and rolled over by two sections
Line folding line summit starting fold folding line is twice, and the present embodiment can further adjust the gap between mask and face so as to space
Form is more stable, and effective filtration area is bigger.
As shown in figure 11, the spatial folding mouth mask and embodiment six are again provided with three groups of foldings to the embodiment of the present invention seven, and three
Group is folded in circumferential uniform array arrangement, and every group of broken line folding line is connected and composed and broken line folding line summit starting fold folding by two sections
The roads of Hen Wei tetra-, have same effect with embodiment six；Also can four groups of folded array or more multigroup folded array during enforcement.
Starting fold folding line in each broken line folding line summit can be not only twice or four roads when the present invention is implemented, can also be according to cloth
Office needs to be set to other quantity, and the setting of fold folding line is mainly more than the fold for comforting the generation of mask flat edge broken line folds
Amount；The sealing wing of mask upper limb can inwardly elastic bending, fill the space between upper limb and wing of nose nest, sealing effectiveness is more preferable；May be used also
One-way breather valve is added on mask, makes breathing more laborsaving, can also be pleating in mask rim according to shape of face, mould more suitably empty
Between, make peripheral sealing and suitability more preferable；When straight line folding line intersects with broken line folding line in mask rim, fold straight during slabbing
Can be not folded at line folding line, support can be added in its position；Also support can be added at other positions of mask, support can be using solidification
Adhesive tape or heat hardening bar；Can be to arrange check valve on mask, for limiting respiratory air flow one-way flow.
Claims (8)
1. a kind of spatial folding mouth mask, including the mask being made up of at least one of which filter, mask is provided with folding, and its feature exists
Be provided with broken line folding line and fold folding line in the folding, broken line folding line is at least connected and composed by two lines section head and the tail, fold folding line by
The summit starting of broken line folding line is distributed on mask, and the fold folding line of each broken line folding line summit starting is more than twice, along fold
Folds smooth fold, and each layer after folding is in plain film superposed state, fold the bonding of rear mask edge.
2. spatial folding mouth mask according to claim 1, it is characterised in that described to be folded into a group, is arranged on mask one
Side.
3. spatial folding mouth mask according to claim 1, it is characterised in that described to be folded into two groups, is respectively provided at mask two
Side.
4. spatial folding mouth mask according to claim 1, it is characterised in that the folding is more than two groups, is distributed in mask week
Enclose.
5. according to the arbitrary described spatial folding mouth mask of claim 1 to 5, it is characterised in that mask upper limb bridge of the nose both sides nose
Pterygoid fossa position is connected with the sealing wing prominent laterally.
6. according to the arbitrary described spatial folding mouth mask of claim 1 to 5, it is characterised in that the mask is provided with reciprocating folding
It is folded.
7. according to the arbitrary described spatial folding mouth mask of claim 1 to 5, it is characterised in that be provided with brace rod by the folding line.
8. according to the arbitrary described spatial folding mouth mask of claim 1 to 5, it is characterised in that the broken line folding line summit starting
The bonding of twice fold folding line position is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710171079.8A CN106666872B (en) | 2014-12-28 | 2014-12-28 | Spatial folding mask |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410825420.3A CN105495775B (en) | 2014-12-28 | 2014-12-28 | Three-dimensional flaky folding low-pressure mask |
| CN201710171079.8A CN106666872B (en) | 2014-12-28 | 2014-12-28 | Spatial folding mask |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410825420.3A Division CN105495775B (en) | 2014-12-28 | 2014-12-28 | Three-dimensional flaky folding low-pressure mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106666872A true CN106666872A (en) | 2017-05-17 |
| CN106666872B CN106666872B (en) | 2018-12-21 |
Family
ID=55704379
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710171079.8A Active CN106666872B (en) | 2014-12-28 | 2014-12-28 | Spatial folding mask |
| CN201410825420.3A Active CN105495775B (en) | 2014-12-28 | 2014-12-28 | Three-dimensional flaky folding low-pressure mask |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410825420.3A Active CN105495775B (en) | 2014-12-28 | 2014-12-28 | Three-dimensional flaky folding low-pressure mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106666872B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022034173A (en) * | 2020-08-18 | 2022-03-03 | 株式会社 京都深村 | Hygienic mask |
| US11648362B2 (en) | 2018-09-28 | 2023-05-16 | Koninklijke Philips N.V. | Foldable subtrate and patient interface formed therefrom |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805928B (en) * | 2020-07-14 | 2022-06-10 | 福建恒安集团有限公司 | Preparation process of reinforced attaching type mask |
| JP6855626B1 (en) * | 2020-08-11 | 2021-04-07 | 医療法人社団湧泉会 | Mask-like face napkin |
| CN112006351B (en) * | 2020-09-10 | 2022-07-08 | 上海理工大学 | Folding mask structure with packaging and summer mask with cooling function |
| DE102021116900A1 (en) * | 2021-06-30 | 2023-01-05 | Ivaylo Milenkov | Foldable surface material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044049A (en) * | 2002-07-08 | 2004-02-12 | Yuji Suyama | Martial art skirt provided with edge stitch |
| WO2009102127A3 (en) * | 2008-02-15 | 2009-10-22 | Lee Jong Won | Disposable gas mask |
| CN201733909U (en) * | 2009-12-29 | 2011-02-09 | 林净植 | Three-dimensional mouth mask |
| CN202154081U (en) * | 2011-08-08 | 2012-03-07 | 上海大胜卫生用品制造有限公司 | Foldable anti-dust mask for children |
| CN203662061U (en) * | 2013-12-18 | 2014-06-25 | 李星洲 | Mask |
| CN203952515U (en) * | 2014-04-02 | 2014-11-26 | 林学才 | A kind of folding stereo mouth mask |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419994A (en) * | 1980-07-03 | 1983-12-13 | Racal Safety Limited | Respirators |
| JP2005348998A (en) * | 2004-06-11 | 2005-12-22 | Ifu:Kk | Mask |
| JP2006218079A (en) * | 2005-02-10 | 2006-08-24 | Kurashiki Seni Kako Kk | Dust mask |
| JP2007260110A (en) * | 2006-03-28 | 2007-10-11 | Hakujuji Co Ltd | Mask |
| JP4446406B1 (en) * | 2009-06-30 | 2010-04-07 | 千代子 清水 | 3D mask |
| CN103857442A (en) * | 2011-10-13 | 2014-06-11 | 金永镐 | Nose mask |
| CN203723481U (en) * | 2014-02-17 | 2014-07-23 | 广东机电职业技术学院 | Folding mask having hanging decoration and bag functions |
| CN203762326U (en) * | 2014-04-04 | 2014-08-13 | 美佳德科技（无锡）有限公司 | Cup type mask with filter sheet |
| CN104000319B (en) * | 2014-06-16 | 2017-03-22 | 邸文学 | Polytetrafluoroethylene microporous composite membrane haze prevention mask |
| CN203952522U (en) * | 2014-07-08 | 2014-11-26 | 山东康力医疗器械科技有限公司 | A kind of adaptation Collapsible stereo mouth mask |
-
2014
- 2014-12-28 CN CN201710171079.8A patent/CN106666872B/en active Active
- 2014-12-28 CN CN201410825420.3A patent/CN105495775B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044049A (en) * | 2002-07-08 | 2004-02-12 | Yuji Suyama | Martial art skirt provided with edge stitch |
| WO2009102127A3 (en) * | 2008-02-15 | 2009-10-22 | Lee Jong Won | Disposable gas mask |
| CN201733909U (en) * | 2009-12-29 | 2011-02-09 | 林净植 | Three-dimensional mouth mask |
| CN202154081U (en) * | 2011-08-08 | 2012-03-07 | 上海大胜卫生用品制造有限公司 | Foldable anti-dust mask for children |
| CN203662061U (en) * | 2013-12-18 | 2014-06-25 | 李星洲 | Mask |
| CN203952515U (en) * | 2014-04-02 | 2014-11-26 | 林学才 | A kind of folding stereo mouth mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11648362B2 (en) | 2018-09-28 | 2023-05-16 | Koninklijke Philips N.V. | Foldable subtrate and patient interface formed therefrom |
| JP2022034173A (en) * | 2020-08-18 | 2022-03-03 | 株式会社 京都深村 | Hygienic mask |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105495775A (en) | 2016-04-20 |
| CN105495775B (en) | 2017-04-19 |
| CN106666872B (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106666872B (en) | Spatial folding mask | |
| CN105495774B (en) | Oblique folds low pressure mask | |
| CN105476114B (en) | 3 D stereo low pressure folding mouth mask | |
| CN103857442A (en) | Nose mask | |
| US2174694A (en) | elson | |
| CN204393418U (en) | Low-resistance with cushion chamber all presses mouth mask | |
| JP2021529268A (en) | mask | |
| CN107115603A (en) | The haze purification mouth mask that a kind of breathing is separated | |
| BR102020024030A2 (en) | face mask | |
| CN110169614A (en) | Suck protective mask and its valve arrangement | |
| TWM579045U (en) | Multi-functional protection mask convenient for drinking beverage or blowing whistle | |
| KR20130040211A (en) | 3-dimentional mask | |
| TWM599101U (en) | Three-dimensionally tailored mask | |
| CN202620521U (en) | Nose cup with air flow extender | |
| CN105476113B (en) | Low-resistance with cushion chamber presses mask | |
| WO2021006122A1 (en) | Mask | |
| CN106276807B (en) | A kind of gas buffer oxygenerator and mask can be used for mask | |
| CN111480919A (en) | Preparation process of three-dimensional mask | |
| CN204838104U (en) | Three -dimensional gauze mask | |
| ITBS20030013U1 (en) | PROTECTIVE CLOTHING SUCH AS, FOR EXAMPLE, A SCARF, BALACLEMAS, A BANDANA, THE JAVANER OF JACKET AND SIMILAR, WITH FILTERING ELEMENT AND / OR SAN ITIZZANTE | |
| CN212697800U (en) | Mask and composite nose line thereof | |
| CN213128125U (en) | Plastic nose line structure and mask | |
| CN213281596U (en) | Folding mask without nose bridge strip | |
| CN205549277U (en) | Protective nose cover | |
| CN203748713U (en) | Mask used in cold weather |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181107 Address after: 225113 Jintai West Road, Tai'an Town, Tai'an, Jiangsu Applicant after: Yangzhou ecological science and technology new town run industry small and Medium Enterprise Service Center Co., Ltd. Address before: 163700 room 1001, innovation building, 14 Chuangxin street, Hi-tech Zone, Daqing, Heilongjiang Applicant before: Large Qingyuan's scarabaeidae skill development corporation, Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |