CN111449355B - Production process of anti-pollution mask and anti-pollution mask - Google Patents
Production process of anti-pollution mask and anti-pollution mask Download PDFInfo
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- CN111449355B CN111449355B CN202010183120.5A CN202010183120A CN111449355B CN 111449355 B CN111449355 B CN 111449355B CN 202010183120 A CN202010183120 A CN 202010183120A CN 111449355 B CN111449355 B CN 111449355B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000005520 cutting process Methods 0.000 claims abstract description 71
- 238000007731 hot pressing Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 10
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
-
- 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
- A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/24—Hems; Seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a production process of an anti-pollution mask, which comprises the following steps: conveying the stacked mask materials to hot-pressing equipment, driving a hot-pressing head to apply pressure to the mask materials by the hot-pressing equipment, and simultaneously carrying out hot pressing on the mask materials by utilizing a hot-pressing end to form a joint part; conveying the mask material subjected to hot pressing to die cutting equipment, wherein the seam part is required to be positioned on the inner side of the cutting position of a cutting blade, the die cutting equipment drives a die cutting head to apply pressure to the mask material, the mask material is subjected to contour cutting by using the cutting blade, meanwhile, the edge of the left mask body and the edge of the right mask body are subjected to pressure cutting by using a tooth-shaped blade, and fibers generated in the process of cutting the left mask body and the right mask body are cut based on the tooth-shaped blade, so that the edge of the left mask body and the edge of the right mask body are bonded with each other, and a bonding part is formed; and finishing the processing of the mask body. The invention can improve the production efficiency, simplify the production flow, avoid the need of sleeving sealing bags and avoid the pollution in the process of carrying or storing.
Description
Technical Field
The invention relates to a mask, in particular to a production process of an anti-pollution mask and the anti-pollution mask.
Background
The mask is a personal protection product commonly used in daily life and epidemic prevention activities, the existing mask generally comprises a mask body and hanging ropes at two ends of the mask body, the mask body is required to be processed and molded firstly in the production process, then the hanging ropes are fixed at the edge position of the mask body through processes such as hot pressing and the like, and finally the mask finished product is plastically packaged in a sealing bag according to a single piece or 10 pieces. The manufacturing process of the mask is complex, the mask body needs a plurality of steps to complete processing, in addition, hanging rope processing and packaging processing are needed, particularly after the mask sealing bag is unsealed, the mask body is in an open state, the inner side portion of the mask is very easily affected by humidity, dust and other environmental influences, the mask is polluted, the protective performance of the mask is affected, the storage time is greatly shortened, and the application requirement and the market requirement are difficult to meet.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mask production process and an anti-pollution mask, which can improve the production efficiency, simplify the production flow, avoid sleeving a sealing bag and avoid pollution in the carrying or storing process, aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme.
The production process of the anti-pollution mask comprises a mask body and a hanging rope, wherein a joint part is formed in the middle of the mask body, the mask body comprises a left mask body and a right mask body, the left mask body and the right mask body are respectively arranged on the left side and the right side of the joint part, the left mask body and the right mask body are mutually laminated, two ends of the hanging rope are respectively fixedly connected with or detachably matched with the left mask body and the right mask body, and the edge of the left mask body and the edge of the right mask body are mutually bonded through a tearable bonding part; the production technology is realized based on hot pressing equipment and die cutting equipment, hot pressing equipment is including the hot pressing head, the hot pressing head is including the hot pressing end, the shape of hot pressing end with the shape of joint portion is the same, die cutting equipment is including die cutter head, die cutter head is including cutting edge and tooth profile cutting edge, the shape of cutting edge with the profile of the left side cover body with the profile of the right side cover body is all the same, the shape of tooth profile cutting edge with the shape of bonding part is the same, the production technology is including following step: step S1, vertically laminating mask materials for manufacturing the left side mask body and the right side mask body; step S2, conveying the stacked mask materials to the hot-pressing device, wherein the hot-pressing device drives the hot-pressing head to apply pressure to the mask materials, and simultaneously hot-pressing the mask materials by using the hot-pressing end to form the seam; step S3, conveying the mask material after hot pressing to the die cutting device, and requiring the seam to be located inside the cutting position of the cutting blade, the die cutting device driving the die cutting head to apply pressure to the mask material, cutting the contour of the mask material with the cutting blade, simultaneously press-cutting the edge of the left mask body and the edge of the right mask body with the tooth-shaped blade, and pressing the fibers generated in the process of cutting the left mask body and the right mask body with the tooth-shaped blade to bond the edge of the left mask body and the edge of the right mask body with each other, thereby forming the bonding portion; and step S4, finishing the processing of the mask body.
Preferably, the left side cover body and the right side cover body are respectively provided with a stringing hole, the stringing hole is close to the edges of the left side cover body and the right side cover body, the die cutting tool bit comprises a punching blade, in the step S3, when the cutting blade is utilized to cut the contour of the mask material, the punching blade punches a hole in the mask material, and then the stringing hole is formed.
Preferably, in step S4, the cut mask bodies and the hanging strings that are independently provided are packaged in the same box or bag.
The utility model provides an anti-pollution type gauze mask, its is including the gauze mask body and hang the rope, the centre department of gauze mask body is formed with seam portion, the gauze mask body is including the left side cover body and the right side cover body, the left side cover body with the right side cover body branch is located the left and right sides of seam portion, just the left side cover body with the right side cover body is range upon range of each other, hang the both ends of rope respectively with the left side cover body with right side cover body fixed connection perhaps can dismantle the cooperation, the edge of the left side cover body with the edge of the right side cover body bonds each other through the bonding phase that can tear.
Preferably, the joint portion is a joint portion formed by a hot press process.
Preferably, the left side cover body and the right side cover body are respectively provided with a rope threading hole, the rope threading holes are close to the edges of the left side cover body and the right side cover body, and two ends of the hanging rope respectively penetrate through the two rope threading holes.
Preferably, two ends of the hanging rope are respectively provided with a clamping head, and the clamping heads are clamped at the outer side of the rope threading hole.
Preferably, the hanging rope is an elastic hanging rope.
Preferably, the edge of the left side cover body and the edge of the right side cover body are respectively provided with a rope threading part, and the rope threading hole is arranged on the rope threading part.
Preferably, the left side cover body and the right side cover body are respectively formed by sequentially laminating an inner layer non-woven fabric, a middle layer melt-blown fabric and an outer layer non-woven fabric.
In the production process of the anti-pollution mask disclosed by the invention, the laminated mask materials are subjected to hot pressing to form the joint part, then the mask materials are subjected to die cutting to obtain the integral result of the mask body, and the edges of the left side mask body and the right side mask body are bonded by the bonding part, so that the mask produced based on the process has the advantages that when a product is formed, the left side mask body and the right side mask body are in a tightly-fitted state, and meanwhile, the bonding part plays a bonding and sealing role in the edge position, so that the inner side surface of the mask body is in a closed state after the mask body is formed, the inner side surface can be effectively prevented from being polluted in the carrying and storing processes, and meanwhile, a sealing bag is not required to be independently configured for each mask, the production process flow is greatly simplified, and the production efficiency is improved, better meeting the market demand.
Drawings
FIG. 1 is a view showing the structure of the mask of the present invention in a stacked state;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a view showing the mask of the present invention in an unfolded state;
FIG. 5 is a first block diagram of a lanyard;
FIG. 6 is a second view of the structure of the hanging rope;
FIG. 7 is a third view of the structure of the lanyard;
FIG. 8 is a schematic end view of the thermal head;
fig. 9 is an end view of the die cutting head.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
The invention discloses a production process of an anti-pollution mask, which is shown by combining figures 1 to 9, and comprises a mask body 1 and a hanging rope 2, wherein a seam part 3 is formed in the middle of the mask body 1, the mask body 1 comprises a left mask body 10 and a right mask body 11, the left mask body 10 and the right mask body 11 are respectively arranged on the left side and the right side of the seam part 3, the left mask body 10 and the right mask body 11 are mutually overlapped, two ends of the hanging rope 2 are respectively fixedly connected with or detachably matched with the left mask body 10 and the right mask body 11, and the edge of the left mask body 10 is mutually bonded with the edge of the right mask body 11 through a tearable bonding part 4;
the production technology is realized based on hot pressing equipment and cutting equipment, hot pressing equipment is including hot pressing head 5, hot pressing head 5 is including hot pressing end 50, hot pressing end 50's shape with the shape of joint portion 3 is the same, cutting equipment is including cutting tool bit 6, cutting tool bit 6 is including cutting sword 60 and tooth profile cutting edge 61, cutting sword 60's shape with the profile of the left side cover body 10 with the profile of the right side cover body 11 is all the same, tooth profile cutting edge 61's shape with the shape of bonding portion 4 is the same, production technology is including following step:
step S1 of vertically laminating mask materials for manufacturing the left mask body 10 and the right mask body 11;
step S2, conveying the stacked mask materials to the hot-pressing device, wherein the hot-pressing device drives the hot-pressing head 5 to apply pressure to the mask materials, and simultaneously hot-pressing the mask materials by using the hot-pressing end 50 to form the seam 3;
step S3, conveying the mask material after hot pressing to the die cutting device, and requiring the seam 3 to be located inside the cutting position of the cutting blade 60, the die cutting device driving the die cutting head 6 to apply pressure to the mask material, using the cutting blade 60 to perform contour cutting on the mask material, using the tooth-shaped blade 61 to perform press cutting on the edge of the left mask body 10 and the edge of the right mask body 11, and pressing and cutting the fibers generated in the process of pressing and cutting the left mask body 10 and the right mask body 11 based on the tooth-shaped blade 61, so that the edge of the left mask body 10 and the edge of the right mask body 11 are bonded to each other, thereby forming the bonding portion 4;
and step S4, finishing the processing of the mask body 1.
In the above process, the mask material is simply subjected to hot pressing to form the seam portion 3, then die cutting is carried out on the mask material, so as to obtain the integral result of the mask body 1, and the edges of the left and right masks 10 and 11 are bonded by the bonding part 4, and the mask manufactured based on the above process, when a product is formed, the left side cover body 10 and the right side cover body 11 are in a close fit state, meanwhile, the bonding part 4 is used for bonding and sealing at the edge position, so that after the mask body 1 is processed and molded, the inner side surface of the mask is in a closed state, the inner side surface can be effectively prevented from being polluted in the carrying and storing processes, meanwhile, a sealing bag is not required to be independently configured for each mask, the production process flow is greatly simplified, the production efficiency is further improved, and the market demand is well met.
In the actual processing process, tooth profile cutting edge 61 is pressed and is cut the edge of the left side cover body 10 with during the right side cover body 11, the cellosilk can appear in the edge of kerf under the punching press effect of tooth profile cutting edge 61, the left side cover body 10 with cellosilk on the right side cover body 11 takes place to interweave and electrostatic absorption, makes the left side cover body 10 with the edge of the right side cover body 11 has certain adhesive force, makes by this adhesive force 4 plays adhesive action, makes the left side cover body 10 with the right side cover body 11 keeps at the bonding state before the use, when the user need wear the gauze mask, only needs both hands outwards to tear and draw the left side cover body 10 with the right side cover body 11, treats to overcome during the adhesive force of bonding portion 4, will the left side cover body 10 with the right side cover body 11 opens. However, in practical application, the present invention is not limited to this bonding method, for example, a glue with a small adhesive force can be used for bonding, and the sealing function can also be achieved, but the present invention mainly uses the press-cutting processing of the tooth-shaped blade 61, and this processing method can be completed at the same time when the profile is cut, and the processing procedure is simplified, and the production and manufacturing are easy.
Furthermore, the left side cover body 10 and the right side cover body 11 are respectively provided with a stringing hole 12, the stringing hole 12 is close to the edges of the left side cover body 10 and the right side cover body 11, the die cutting head 6 comprises a punching blade 62, in the step S3, when the cutting blade 60 is used for cutting the outline of the mask material, the punching blade 62 punches the mask material, and then the stringing hole 12 is formed.
In a preferred embodiment, in step S4, the plurality of cut mask bodies 1 and the plurality of hanging strings 2 provided independently are packed in the same box or bag.
The invention also relates to an anti-pollution mask, which is shown in a combined figure 1-9 and comprises a mask body 1 and a hanging rope 2, wherein a seam part 3 is formed in the middle of the mask body 1, the mask body 1 comprises a left mask body 10 and a right mask body 11, the left mask body 10 and the right mask body 11 are respectively arranged on the left side and the right side of the seam part 3, the left mask body 10 and the right mask body 11 are mutually laminated, two ends of the hanging rope 2 are respectively fixedly connected with or detachably matched with the left mask body 10 and the right mask body 11, and the edge of the left mask body 10 and the edge of the right mask body 11 are mutually bonded through a bonding part 4 which can be torn.
Above-mentioned gauze mask is when the product shaping, the left side cover body 10 with the right side cover body 11 is the state of closely laminating, utilizes simultaneously bonding part 4 plays the sealed effect of bonding at the border position, makes gauze mask body 1 is after the machine-shaping, and its medial surface is airtight state, can effectively avoid polluting the medial surface carrying, save the in-process, also need not simultaneously to dispose sealed bag alone for every gauze mask, has simplified production process flow greatly, and then has improved production efficiency, has satisfied the market demand betterly.
Further, the joint portion 3 is a joint portion formed by hot press working.
As a preferable mode, the left cover body 10 and the right cover body 11 are respectively provided with a rope threading hole 12, the rope threading hole 12 is close to the edges of the left cover body 10 and the right cover body 11, and two ends of the hanging rope 2 respectively penetrate through the two rope threading holes 12.
However, this is only a preferred implementation manner of the present invention, in practical applications, two ends of the hanging rope 2 may also be directly fixed on the left side cover 10 and the right side cover 11, and the present invention mainly adopts a structure in which the hanging rope 2 and the mask body 1 are independently arranged, which has a stronger sealing performance for the inner side of the mask body 1 and is also easier to process and manufacture.
In order to facilitate installation of the hanging rope 2, in this embodiment, two ends of the hanging rope 2 are respectively formed with a clamp 20, and the clamp 20 is clamped at the outer side of the rope threading hole 12.
As a preferable mode, the hanging rope 2 is an elastic hanging rope. The hanging rope 2 can directly pass around the brain of a user when being worn.
In a preferred configuration, a rope threading portion 13 is formed at each of the edge of the left cover body 10 and the edge of the right cover body 11, and the rope threading hole 12 is opened in the rope threading portion 13.
In this embodiment, the left cover body 10 and the right cover body 11 are formed by sequentially laminating an inner layer non-woven fabric, an intermediate layer meltblown fabric and an outer layer non-woven fabric.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.
Claims (1)
1. The production process of the anti-pollution mask is characterized in that the mask comprises a mask body and a hanging rope, a seam part is formed in the middle of the mask body, the mask body comprises a left mask body and a right mask body, the left mask body and the right mask body are respectively arranged on the left side and the right side of the seam part, the left mask body and the right mask body are mutually laminated, two ends of the hanging rope are respectively fixedly connected with or detachably matched with the left mask body and the right mask body, and the edge of the left mask body and the edge of the right mask body are mutually bonded through a tearable bonding part;
the production technology is realized based on hot pressing equipment and die cutting equipment, hot pressing equipment is including the hot pressing head, the hot pressing head is including the hot pressing end, the shape of hot pressing end with the shape of joint portion is the same, die cutting equipment is including the die cutter head, the die cutter head is including cutting edge and tooth profile cutting edge, the shape of cutting edge with the profile of the left side cover body with the profile of the right side cover body is all the same, the shape of tooth profile cutting edge with the shape of bonding portion is the same, production technology is including following step:
step S1, vertically laminating mask materials for manufacturing the left side mask body and the right side mask body;
step S2, conveying the stacked mask materials to the hot-pressing device, wherein the hot-pressing device drives the hot-pressing head to apply pressure to the mask materials, and simultaneously hot-pressing the mask materials by using the hot-pressing end to form the seam;
step S3, conveying the hot-pressed mask material to the die cutting equipment, and requiring the seam position to be positioned at the inner side of the cutting position of the cutting blade, wherein the die cutting equipment drives the die cutting head to apply pressure to the mask material, the cutting blade is used for cutting the outline of the mask material, the tooth-shaped blade is used for press-cutting the edge of the left mask body and the edge of the right mask body, when the tooth-shaped blade presses the edge of the left mask body and the right mask body, fiber yarns appear at the edge of the cut seam, under the punching action of the tooth-shaped blade, the fiber yarns on the left mask body and the right mask body are interwoven and electrostatically adsorbed, so that the edges of the left mask body and the right mask body have certain adhesive force, and the adhesive part can perform adhesive action by virtue of the adhesive force, the left side cover body and the right side cover body are kept in an adhesion state before use, and fibers generated in the process of pressing and cutting the left side cover body and the right side cover body are cut based on the tooth-shaped cutting edge, so that the edge of the left side cover body and the edge of the right side cover body are adhered to each other, and the adhesion part is formed;
step S4, finishing the processing of the mask body;
in the step S3, the cutting blade is used for cutting the contour of the mask material, and the punching blade punches the mask material to form the stringing hole;
in the step S4, the cut mask bodies and the hanging ropes which are independently arranged are packaged in the same box body or bag body;
when wearing the gauze mask, both hands tear outward the left side cover body with the right side cover body is waited to overcome during the adhesive force of bonding portion, will the left side cover body with the right side cover body opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010183120.5A CN111449355B (en) | 2020-03-16 | 2020-03-16 | Production process of anti-pollution mask and anti-pollution mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010183120.5A CN111449355B (en) | 2020-03-16 | 2020-03-16 | Production process of anti-pollution mask and anti-pollution mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111449355A CN111449355A (en) | 2020-07-28 |
| CN111449355B true CN111449355B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010183120.5A Active CN111449355B (en) | 2020-03-16 | 2020-03-16 | Production process of anti-pollution mask and anti-pollution mask |
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| CN (1) | CN111449355B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112137199A (en) * | 2020-09-23 | 2020-12-29 | 广州市联柔机械设备有限公司 | Mask manufacturing method and mask |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011143277A (en) * | 2011-04-22 | 2011-07-28 | Meiko Shoji Kk | Disposable three-dimensional mask |
| CN204157696U (en) * | 2014-09-23 | 2015-02-18 | 北京科利爱尔科技有限责任公司 | The three-dimensional anti-fine particle mouth mask of disposable doubling with replaceable independent cover |
| CN204157694U (en) * | 2014-06-05 | 2015-02-18 | 蔡苑芝 | A kind of mouth mask |
| CN207948989U (en) * | 2018-03-13 | 2018-10-12 | 毛玉珠 | A kind of antiallergy formula filter core mask |
| KR20190083896A (en) * | 2018-01-05 | 2019-07-15 | 우정약품(주) | Three-dimensional Mask |
| CN212590402U (en) * | 2020-03-16 | 2021-02-26 | 东莞市德铭绝缘材料有限公司 | Anti-pollution type gauze mask |
-
2020
- 2020-03-16 CN CN202010183120.5A patent/CN111449355B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011143277A (en) * | 2011-04-22 | 2011-07-28 | Meiko Shoji Kk | Disposable three-dimensional mask |
| CN204157694U (en) * | 2014-06-05 | 2015-02-18 | 蔡苑芝 | A kind of mouth mask |
| CN204157696U (en) * | 2014-09-23 | 2015-02-18 | 北京科利爱尔科技有限责任公司 | The three-dimensional anti-fine particle mouth mask of disposable doubling with replaceable independent cover |
| KR20190083896A (en) * | 2018-01-05 | 2019-07-15 | 우정약품(주) | Three-dimensional Mask |
| CN207948989U (en) * | 2018-03-13 | 2018-10-12 | 毛玉珠 | A kind of antiallergy formula filter core mask |
| CN212590402U (en) * | 2020-03-16 | 2021-02-26 | 东莞市德铭绝缘材料有限公司 | Anti-pollution type gauze mask |
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| Publication number | Publication date |
|---|---|
| CN111449355A (en) | 2020-07-28 |
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