CN103222696A - Mask with resistance piece - Google Patents
Mask with resistance piece Download PDFInfo
- Publication number
- CN103222696A CN103222696A CN2013101314497A CN201310131449A CN103222696A CN 103222696 A CN103222696 A CN 103222696A CN 2013101314497 A CN2013101314497 A CN 2013101314497A CN 201310131449 A CN201310131449 A CN 201310131449A CN 103222696 A CN103222696 A CN 103222696A
- Authority
- CN
- China
- Prior art keywords
- block piece
- mouth mask
- mask body
- respirator structure
- mask
- 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
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000037303 wrinkles Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
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
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
-
- 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
-
- 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
- A41D13/1161—Means for fastening to the user's head
Abstract
The invention relates to a mask structure, in particular to a mask with a resistance piece. The mask with the resistance piece comprises a mask body; the mask body is provided with at least one side edge and belt body groups fixed on the two sides of the mask body. The mask with the resistance piece is characterized in that the mask body is further provided with at least one resistance piece; the resistance piece is connected with the corresponding side edge; an angle Theta is formed between the resistance and the mouth-muffle body; during use, inhaled air or exhaled air can be prevented from infiltrating or exuding from the side edge of the mask, so that air tightness of the mask is improved and air is filtered positively through the mask and filter efficiency of the mask is improved.
Description
Technical field
The present invention relates to a kind of Respirator structure, particularly a kind of Respirator structure with block piece.
Background technology
Mouth mask has been used the various occasions of what at present widely, for example by bike, dining room, hospital, factory and dust free room etc., to isolate contaminated air, dust or germ, guarantees that human body or product are not subjected to polluting that to wait be purpose.Therefore, above-mentioned mouth mask part is nothing more than for to have the plane gauze (or cotton) of single or multiple lift or the bonded fabric product (or paper products) of single or multiple lift plane formula, to satisfy demand with low cost and that consumption is big.
General traditional nonwoven or gauze system mouth mask, as shown in Figure 1, 2, it mainly comprises a bite cover body 10 and two elastic cords 20, mouth mask body 10 has relative dual side-edge 30, each elastic cord 20 is separately fixed at each side 30, can wear by corresponding ear to form a hangers, reach the function of cover cap human body mouth and nose.
Yet, the actual filtration effect of mouth mask, must look whether through port cover body 10 of the air that sucks or spue, just has filter efficacy, but mouth masks such as gauze or nonwoven are fabric, the user face curve of the just difficult various different shapes of face of fitting of itself material, especially the pulling force of ear-hang makes side 30 be easy to generate the space, and the mouth mask body draws back the wrinkle Zhe space that is produced when wearing allows many air without strainer filtering, and directly infiltrate or ooze out by the space, cause the filter effect of mouth mask significantly to reduce, cause the user to be subjected to airborne dust and virus or bacterial infection easily.
Summary of the invention
The object of the present invention is to provide a kind of Respirator structure with block piece, mainly solve above-mentioned existing in prior technology problem, the air that can avoid during use sucking or spue infiltrates or oozes out from the side of mouth mask, promote the mouth mask air tightness and help air all positively to filter, reach the filter efficiency that promotes mouth mask by mouth mask.
For achieving the above object, the present invention realizes like this.
A kind of Respirator structure with block piece, it comprises a bite cover body, this mouth mask body has at least one side, and the belt body group that is fixed on the both sides of this mouth mask body; It is characterized in that: it also has at least one block piece, and this block piece forms an angle theta to connecting by side between this block piece and this mouth mask body.
Described Respirator structure with block piece is characterized in that: this mouth mask body is extended with an extension from this side respectively, and this block piece is from the reverse bending forming in this extension.
Described Respirator structure with block piece is characterized in that: the two ends of this extension are connected in this mouth mask body in affixed mode.
Described Respirator structure with block piece is characterized in that: this angle theta is between 0 ° to 150 °.
Described Respirator structure with block piece is characterized in that: this angle theta is between 15 ° to 90 °.
Described Respirator structure with block piece is characterized in that: the quantity of side and block piece is two, and this dual side-edge is respectively formed at the and arranged on left and right sides of this mouth mask body.
Described Respirator structure with block piece is characterized in that: the quantity of side and block piece is two, and this dual side-edge is respectively formed at the upper and lower both sides of this mouth mask body.
Described Respirator structure with block piece is characterized in that: the quantity of side and block piece is four, and this four side is respectively formed at upper and lower, left and right four sides of this mouth mask body.
Described Respirator structure with block piece is characterized in that: this mouth mask body is formed with plural number wrinkle Zhe.
Described Respirator structure with block piece is characterized in that: this belt body group comprises two elastic cords, and this two elastic cord is connected to the both sides of this mouth mask body, and the two ends of each this elastic cord are separately fixed at the upper and lower end of this mouth mask body.
By said structure also compared with prior art, the invention has the advantages that:
When 1, the user wears mouth mask, the side of mouth mask body is because be connected with block piece, and fill up the space that Suo Productivity between mouth mask body and the face gives birth to, and then avoid the user to suck or the air that spues infiltrates from the space or oozes out, to improve the air tightness of mouth mask, the air that allows the user suck or spue all sees through the mouth mask body and filters, and has better filtering efficiency to reach Respirator structure of the present invention.
2, the angle between block piece and the mouth mask body, its optimum range is between 15 ° to 90 °, and allow block piece and mouth mask body and face be staggered or arranged perpendicular, make under the little De Qing of the area Condition of block piece, the space between backstop cover body and the face effectively still, and then more strengthen the backstop ability of Respirator structure.
3, Zu Dang spare Department from the extension reverse bending forming, make the making of Respirator structure of the present invention simple and make things convenient for processing procedure, and then reach the cheap effect of cost of manufacture.
4, the mouth mask body is formed with plural number wrinkle Zhe, with applying user's shape of face, and then the use popularity of increase Respirator structure of the present invention.
Description of drawings
Fig. 1 is the schematic perspective view of known Respirator structure.
Fig. 2 is the user mode schematic diagram of known Respirator structure.
Fig. 3 is the schematic perspective view of Respirator structure of the present invention.
Fig. 4 is the combination schematic diagram of Respirator structure of the present invention.
Fig. 5 is the generalized section of Respirator structure of the present invention.
Fig. 6 is the user mode schematic diagram of Respirator structure of the present invention.
Fig. 7 is the combination schematic diagram of another embodiment of Respirator structure of the present invention.
Fig. 8 is the combination schematic diagram of the another embodiment of Respirator structure of the present invention.
Among the figure: 10-mouth mask body, 20-elastic cord, 30-side, 1-mouth mask body, 11-side, 111-extension, the 12-Zhe that wrinkles, 2-block piece, 3-belt body group, 31-elastic cord, θ-Clip angles.
The specific embodiment
See also shown in Fig. 3,4, the invention provides a kind of Respirator structure with block piece, this Respirator structure mainly comprises a bite cover body 1, at least one block piece 2 and a belt body group 3.
The quantity of block piece 2 is identical with the quantity of side 11, and block piece 2 respective side 11 connect, and block piece 2 Department are 111 reverse bending formings from the extension, and the two ends of extension 111 are connected in mouth mask body 1 in affixed mode; Wherein, form an angle theta (as Fig. 5) between block piece 2 and the mouth mask body 1, this angle theta describes in detail down between 0 ° to 150 °, and the optimum range of angle theta is between 15 ° to 90 °.
The present invention has the combination of the Respirator structure of block piece, and it utilizes mouth mask body 1 to have side 11; Block piece 2 respective side 11 connect, and form angle theta between block piece 2 and the mouth mask body 1; Belt body group 3 is fixed on the both sides of mouth mask body 1.By this, as shown in Figure 6, when the user wears mouth mask, the side 11 of mouth mask body 1 is because be connected with block piece 2, and fill up the space that is produced between mouth mask body 1 and the face, and then avoid the user to suck or the air that spues infiltrates from the space or oozes out, to improve the air tightness of mouth mask, the air that allows the user suck or spue all sees through mouth mask body 1 and filters, and has better filtering efficiency to reach this creation Respirator structure.
In addition, angle theta between block piece 2 and the mouth mask body 1, its optimum range is between 15 ° to 90 °, and allow block piece 2 and mouth mask body 1 and face be staggered or arranged perpendicular, make under the little situation of the area of block piece 2, the space between backstop cover body 1 and the face effectively still, and then more strengthen the backstop ability of Respirator structure.
Moreover block piece 2 is 111 reverse bending formings from the extension, make the making of Respirator structure of the present invention simple and make things convenient for processing procedure, and then reach the cheap effect of cost of manufacture.
In addition, mouth mask body 1 is formed with plural number wrinkle Zhe 12, with applying user's shape of face, and then the use popularity of increase Respirator structure of the present invention.
See also shown in Figure 7ly, it is another embodiment of Respirator structure of the present invention, and wherein the quantity of side 11 and block piece 2 is two, and this dual side-edge 11 is respectively formed at the upper and lower both sides of mouth mask body 1, makes block piece 2 also be respectively formed at the upper and lower both sides of mouth mask body 1.By this, reach and be same as above-mentioned function and effect.
See also shown in Figure 8, it is another embodiment of Respirator structure of the present invention, wherein the quantity of side 11 and block piece 2 is four, and this four side 11 is respectively formed at upper and lower, left and right four sides of mouth mask body 1, makes block piece 2 also be respectively formed at upper and lower, left and right four sides of mouth mask body 1.By this, reach and be same as above-mentioned function and effect.
In sum, the present invention has the Respirator structure of block piece, really can reach the application target of expection, and solve known disappearance, and have industry applications, novelty and progressive.
Claims (10)
1. Respirator structure with block piece, it comprises a bite cover body (1), this mouth mask body (1) has at least one side (11), and the belt body group (3) that is fixed on the both sides of this mouth mask body (1); It is characterized in that: it also has at least one block piece (2), and this block piece (2) forms an angle theta to connecting by side (11) between this block piece (2) and this mouth mask body (1).
2. the Respirator structure with block piece according to claim 1 is characterized in that: this mouth mask body (1) is extended with an extension (111) from this side (11) respectively, and this block piece (2) is this extension (111) reverse bending forming certainly.
3. the Respirator structure with block piece according to claim 2 is characterized in that: the two ends of this extension (111) are connected in this mouth mask body (1) in affixed mode.
4. the Respirator structure with block piece according to claim 1 is characterized in that: this angle theta is between 0 ° to 150 °.
5. the Respirator structure with block piece according to claim 4 is characterized in that: this angle theta is between 15 ° to 90 °.
6. the Respirator structure with block piece according to claim 1 is characterized in that: the quantity of side (11) and block piece (2) is two, and this dual side-edge (11) is respectively formed at the and arranged on left and right sides of this mouth mask body (1).
7. the Respirator structure with block piece according to claim 1 is characterized in that: the quantity of side (11) and block piece (2) is two, and this dual side-edge (11) is respectively formed at the upper and lower both sides of this mouth mask body (1).
8. the Respirator structure with block piece according to claim 1 is characterized in that: the quantity of side (11) and block piece (2) is four, and this four side (11) is respectively formed at upper and lower, left and right four sides of this mouth mask body (1).
9. the Respirator structure with block piece according to claim 1 is characterized in that: this mouth mask body (1) is formed with plural number wrinkle Zhe (12).
10. the Respirator structure with block piece according to claim 1, it is characterized in that: this belt body group (3) comprises two elastic cords (31), this two elastic cord (31) is connected to the both sides of this mouth mask body (1), and the two ends of each this elastic cord (31) are separately fixed at the upper and lower end of this mouth mask body (1).
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310131449.7A CN103222696B (en) | 2013-04-16 | 2013-04-16 | Mask with resistance piece |
GB1518103.5A GB2527250B (en) | 2013-04-16 | 2014-04-11 | Face mask structure having barrier component |
US14/784,284 US20160029715A1 (en) | 2013-04-16 | 2014-04-11 | Face mask structure having barrier component |
DE112014001988.7T DE112014001988T5 (en) | 2013-04-16 | 2014-04-11 | Mask structure with blocking element |
PCT/CN2014/075154 WO2014169780A1 (en) | 2013-04-16 | 2014-04-11 | Face mask structure having barrier component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310131449.7A CN103222696B (en) | 2013-04-16 | 2013-04-16 | Mask with resistance piece |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103222696A true CN103222696A (en) | 2013-07-31 |
CN103222696B CN103222696B (en) | 2015-03-18 |
Family
ID=48833526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310131449.7A Active CN103222696B (en) | 2013-04-16 | 2013-04-16 | Mask with resistance piece |
Country Status (5)
Country | Link |
---|---|
US (1) | US20160029715A1 (en) |
CN (1) | CN103222696B (en) |
DE (1) | DE112014001988T5 (en) |
GB (1) | GB2527250B (en) |
WO (1) | WO2014169780A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104939377A (en) * | 2015-06-16 | 2015-09-30 | 玉川卫材株式会社 | Fold-type gauze mask and manufacturing method thereof |
CN111802730A (en) * | 2020-07-20 | 2020-10-23 | 陈康平 | High-sealing expandable anti-virus mask |
CN113749334A (en) * | 2021-09-29 | 2021-12-07 | 长沙邦创生物科技有限公司 | All-round reinforcing leakproofness's gauze mask |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD819800S1 (en) * | 2015-10-21 | 2018-06-05 | Ronald Tuan | Mask |
USD803391S1 (en) * | 2016-07-07 | 2017-11-21 | Prestige Ameritech, Ltd. | Medical face mask |
US10850141B2 (en) | 2017-05-11 | 2020-12-01 | Medline Industries, Inc. | Mask with self-adherent securement strap and methods therefor |
USD837456S1 (en) * | 2017-05-11 | 2019-01-01 | Medline Industries, Inc. | Adjustable mask |
USD849928S1 (en) * | 2017-05-15 | 2019-05-28 | Jonathan Grover | Facemask |
USD854144S1 (en) * | 2017-09-05 | 2019-07-16 | Prestige Ameritech, Ltd. | Ear loop mask |
KR102056797B1 (en) * | 2018-10-26 | 2019-12-17 | 김인종 | Horizontally flat-foldable mask having five faces |
USD892410S1 (en) * | 2018-12-27 | 2020-08-04 | Alexandru David | Dust mask |
CN109907396A (en) * | 2019-02-21 | 2019-06-21 | 华新医材股份有限公司 | Tool sucks multifunctional protection mask of blowing a whistle |
RU2748327C1 (en) * | 2020-04-16 | 2021-05-24 | Владимир Викторович Михайлов | Mask |
DE102020110587A1 (en) | 2020-04-17 | 2021-10-21 | Druckhaus Waiblingen Remstal-Bote Gesellschaft mit beschränkter Haftung | Mask for covering part of a face |
USD906597S1 (en) * | 2020-05-14 | 2020-12-29 | Ralph Davis Wilson | Mask with tabs and snap |
DE102020113264A1 (en) | 2020-05-15 | 2021-11-18 | Paul Hartmann Ag | Single use respirator for covering the mouth and nose and process for making same |
USD910929S1 (en) * | 2020-06-30 | 2021-02-16 | Joseph Chi Won | Face mask |
USD905351S1 (en) * | 2020-09-02 | 2020-12-15 | Jm Manufacturing (Hk) Limited | Face mask |
USD1004769S1 (en) | 2021-01-21 | 2023-11-14 | Slip IP Holdings Pty Ltd. | Face covering |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0894443A2 (en) * | 1997-07-31 | 1999-02-03 | SAN-M Package Co., Ltd. | Mask |
CN2527306Y (en) * | 2002-03-27 | 2002-12-25 | 上海美科无纺布制品有限公司 | Mouthpiece |
CN2655949Y (en) * | 2003-11-11 | 2004-11-17 | 北京亚都科技股份有限公司 | Mask with sealing ring |
CN201657809U (en) * | 2010-03-29 | 2010-12-01 | 冉崇润 | Gauze mask |
JP2011056240A (en) * | 2009-09-07 | 2011-03-24 | Kang Na Hsing Enterprise Co Ltd | Method for manufacturing mask and its mask product |
CN202035501U (en) * | 2010-10-16 | 2011-11-16 | 王浩田 | Rollup three-dimensional mask |
CN203194617U (en) * | 2013-04-16 | 2013-09-18 | 宣德医材科技股份有限公司 | Mask structure with blocking piece |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3888246A (en) * | 1973-11-01 | 1975-06-10 | Johnson & Johnson | Anti-fog surgical face mask |
DE8809551U1 (en) * | 1988-07-27 | 1988-09-22 | Herzberg, Wolfgang, Dr. Med., 2000 Wedel, De | |
US7290545B2 (en) * | 2004-12-23 | 2007-11-06 | Kimberly-Clark Worldwide, Inc. | Face mask with anti-fog folding |
CN201733909U (en) * | 2009-12-29 | 2011-02-09 | 林净植 | Three-dimensional mouth mask |
-
2013
- 2013-04-16 CN CN201310131449.7A patent/CN103222696B/en active Active
-
2014
- 2014-04-11 DE DE112014001988.7T patent/DE112014001988T5/en not_active Withdrawn
- 2014-04-11 GB GB1518103.5A patent/GB2527250B/en not_active Expired - Fee Related
- 2014-04-11 US US14/784,284 patent/US20160029715A1/en not_active Abandoned
- 2014-04-11 WO PCT/CN2014/075154 patent/WO2014169780A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0894443A2 (en) * | 1997-07-31 | 1999-02-03 | SAN-M Package Co., Ltd. | Mask |
CN2527306Y (en) * | 2002-03-27 | 2002-12-25 | 上海美科无纺布制品有限公司 | Mouthpiece |
CN2655949Y (en) * | 2003-11-11 | 2004-11-17 | 北京亚都科技股份有限公司 | Mask with sealing ring |
JP2011056240A (en) * | 2009-09-07 | 2011-03-24 | Kang Na Hsing Enterprise Co Ltd | Method for manufacturing mask and its mask product |
CN201657809U (en) * | 2010-03-29 | 2010-12-01 | 冉崇润 | Gauze mask |
CN202035501U (en) * | 2010-10-16 | 2011-11-16 | 王浩田 | Rollup three-dimensional mask |
CN203194617U (en) * | 2013-04-16 | 2013-09-18 | 宣德医材科技股份有限公司 | Mask structure with blocking piece |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104939377A (en) * | 2015-06-16 | 2015-09-30 | 玉川卫材株式会社 | Fold-type gauze mask and manufacturing method thereof |
CN104939377B (en) * | 2015-06-16 | 2016-08-24 | 玉川卫材株式会社 | A kind of fold-type mask and manufacture method thereof |
CN111802730A (en) * | 2020-07-20 | 2020-10-23 | 陈康平 | High-sealing expandable anti-virus mask |
CN113749334A (en) * | 2021-09-29 | 2021-12-07 | 长沙邦创生物科技有限公司 | All-round reinforcing leakproofness's gauze mask |
Also Published As
Publication number | Publication date |
---|---|
DE112014001988T5 (en) | 2015-12-31 |
GB2527250B (en) | 2017-10-18 |
US20160029715A1 (en) | 2016-02-04 |
GB201518103D0 (en) | 2015-11-25 |
CN103222696B (en) | 2015-03-18 |
GB2527250A (en) | 2015-12-16 |
WO2014169780A1 (en) | 2014-10-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103222696B (en) | Mask with resistance piece | |
CN101040731A (en) | Detachable and portable respirator and the portable respirator noumenon | |
CN203194617U (en) | Mask structure with blocking piece | |
CN106917493A (en) | The mute floor board assembled unit conveniently mated formation | |
JP2016508191A5 (en) | ||
CN203538427U (en) | Detachable mask | |
CN203736742U (en) | Nasal paste | |
CN205626767U (en) | Liner structure for mask | |
CN201798053U (en) | Movable frame type health gauze mask | |
CN103271464A (en) | Three-dimensional mask | |
TWM461443U (en) | Mask structure having blocking member | |
CN202476512U (en) | High-leakproofness mask | |
CN202122125U (en) | Mask | |
TWI574716B (en) | Mouth mask structure with block elements | |
CN207927832U (en) | A kind of medical mask of recyclable recycling formula | |
CN201378232Y (en) | Healthcare mat for glasses nose pads | |
CN204393417U (en) | Interchangeable Antimicrobial protective mask | |
CN203897346U (en) | Nose mask capable of filtering harmful PM2.5 (particulate matter 2.5) | |
CN204245240U (en) | Medical filtration fabric | |
CN217743246U (en) | Self-attaching breathable medical protective mask | |
CN213609187U (en) | BIPAP face guard convenient to drink and inhale phlegm | |
CN216165401U (en) | Novel medical mask | |
CN203828135U (en) | Anti-haze mask with wet tissue | |
CN212971741U (en) | Airtight dust mask that 3D printed | |
CN212345364U (en) | Work clothes with ventilative dustproof function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |