CN111923431A - Production process of disposable medical mask - Google Patents
Production process of disposable medical mask Download PDFInfo
- Publication number
- CN111923431A CN111923431A CN202010795059.XA CN202010795059A CN111923431A CN 111923431 A CN111923431 A CN 111923431A CN 202010795059 A CN202010795059 A CN 202010795059A CN 111923431 A CN111923431 A CN 111923431A
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- China
- Prior art keywords
- mask
- fabric
- roll
- upper edge
- disposable medical
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- 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.)
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Classifications
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- 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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- 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
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0326—Cutting, e.g. by using waterjets, or perforating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a production process of a disposable medical mask, which comprises the following specific steps: the disposable medical mask produced by the process is suitable for producing disposable medical masks, the upper edge and the lower edge of the mask are sealed by other cloth instead of being sealed by folding the disposable medical mask, so that the consumption of the disposable medical mask prepared by the process for the mask raw materials is less, the cost is saved, the packaging of the mask in the process is carried out in a sterile environment, and the phenomenon that the mask is polluted in the mask packaging process can be effectively prevented.
Description
Technical Field
The invention belongs to the technical field of mask production, and particularly relates to a production process of a disposable medical mask.
Background
The mask is a sanitary product, is generally worn at the position of the mouth and the nose for filtering air entering the mouth and the nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, is made of materials such as gauze or paper and has a certain filtering effect on air entering the lung, has a very good effect when being worn in respiratory infectious diseases and working in environments polluted by dust and the like, and can be divided into an air filtering type mask and an air supply type mask;
and disposable medical gauze mask is applicable to the mouth, nose and the lower jaw that cover the user for wear among the ordinary medical environment, the disposable gauze mask of separation oral cavity and nasal cavity exhalation or blowout pollutant, and in current disposable medical gauze mask production technology, the banding of gauze mask is mostly to carry out folding hot melt pressfitting with the former surface fabric of gauze mask, reaches the effect of banding, leads to the raw materials greatly increased of disposable medical gauze mask production, thereby makes the manufacturing cost of disposable medical gauze mask promote.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a production process of a disposable medical mask.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production process of a disposable medical mask comprises the following specific steps:
s1, selecting materials: selecting fabrics for manufacturing the mask, wherein the fabrics comprise two non-woven fabric rolls, a melt-blown fabric roll, an upper edge sealing fabric roll and a lower edge sealing fabric roll, and a plurality of nose clamping strips are arranged in the upper edge sealing fabric roll at equal intervals;
s2, cutting the fabric: cutting the non-woven fabric roll and the melt-blown fabric roll to make the width of the non-woven fabric roll and the melt-blown fabric roll consistent with the width of the mask;
s3, fabric overlapping: overlapping and winding the non-woven fabric roll and the melt-blown fabric roll to form a new mask fabric roll, wherein the mask fabric in the mask fabric roll is formed by overlapping a layer of non-woven fabric on the upper part and the lower part of each layer of melt-blown fabric;
s4, gathering and laminating: gathering and laminating the overlapped mask fabric, and flattening the overlapped mask fabric;
s5, hot-pressing and edge sealing: respectively coating the upper edge sealing cloth roll and the lower edge sealing cloth roll on the upper edge and the lower edge of the mask fabric, and performing hot melt adhesive dispensing and hot pressing on the edges of the upper edge sealing cloth roll and the lower edge sealing cloth roll;
s6, secondary cutting: cutting the fabric with the edges sealed to form a mask main body;
s7, ear belt installation: the ear belts are hot-melted at the two ends of the mask body through a heat sealing machine.
Preferably, the nose clip strip is arranged along the length direction of the cloth roll with the edge sealed at the upper opening.
Preferably, the analyzing time in the step (S9) is 14 days, and the content of the residual ethylene oxide in the mask body after the analysis is less than 10 ug/g.
Preferably, the step (S5) further includes the steps of:
folding the edge sealing cloth in the upper edge sealing cloth roll and the lower edge sealing cloth roll;
the upper edge banding cloth wraps the upper edge of the mask fabric while the upper edge banding cloth is folded, one side of the nose holding strip mask fabric inside the upper edge banding cloth is made, and the lower edge banding cloth wraps the lower edge of the mask fabric.
Preferably, the nose clip strip is made of aluminum.
Preferably, the production process of the disposable medical mask further comprises the following steps:
s8, disinfection: sending the masks in batches into a special disinfection chamber, and introducing ethylene oxide gas for disinfection;
s9, analysis: introducing air and nitrogen into the disinfection chamber to dilute and discharge ethylene oxide gas to analyze the ethylene oxide on the mask body;
s10, packaging: and (5) carrying out vacuum packaging on the mask after the disinfection and the analysis are finished.
Preferably, the packaging in the step (S10) is performed in a sterile environment.
According to the disposable medical mask produced by the process, the upper edge and the lower edge of the mask are sealed by the other cloth instead of being sealed by folding the disposable medical mask, so that the disposable medical mask prepared by the process has less consumption of mask raw materials, the cost is saved, and the mask is packaged in an aseptic environment, so that the phenomenon that the mask is polluted in the mask packaging process can be effectively prevented;
in conclusion, in the process, when the edge of the mask is sealed, the upper edge sealing cloth and the lower edge sealing cloth are folded and wrapped on the upper edge and the lower edge of the mask, and the process is more convenient compared with the process of folding the edge of the mask, so that the progress of the whole processing process is faster, and the production efficiency is improved.
Drawings
Fig. 1 is an overall flow chart of a production process of a disposable medical mask according to the present invention.
Detailed Description
The following further describes a specific embodiment of the production process of the disposable medical mask according to the present invention with reference to fig. 1. The process for manufacturing a disposable medical mask according to the present invention is not limited to the following description of the examples.
Example 1:
the embodiment provides a specific structure of a production process of a disposable medical mask, as shown in fig. 1, the specific steps are as follows:
s1, selecting materials: selecting fabrics for manufacturing the mask, wherein the fabrics comprise two non-woven fabric rolls, a melt-blown fabric roll, an upper edge sealing fabric roll and a lower edge sealing fabric roll, and a plurality of nose clamping strips are arranged in the upper edge sealing fabric roll at equal intervals;
s2, cutting the fabric: cutting the non-woven fabric roll and the melt-blown fabric roll to make the width of the non-woven fabric roll and the melt-blown fabric roll consistent with the width of the mask;
s3, fabric overlapping: overlapping and winding the non-woven fabric roll and the melt-blown fabric roll to form a new mask fabric roll, wherein the mask fabric in the mask fabric roll is formed by overlapping a layer of non-woven fabric on the upper part and the lower part of each layer of melt-blown fabric;
s4, gathering and laminating: gathering and laminating the overlapped mask fabric, and flattening the overlapped mask fabric;
s5, hot-pressing and edge sealing: respectively coating the upper edge sealing cloth roll and the lower edge sealing cloth roll on the upper edge and the lower edge of the mask fabric, and performing hot melt adhesive dispensing and hot pressing on the edges of the upper edge sealing cloth roll and the lower edge sealing cloth roll;
s6, secondary cutting: cutting the fabric with the edges sealed to form a mask main body;
s7, ear belt installation: the ear belts are hot-melted at the two ends of the mask body through a heat sealing machine.
The nose holding strip is arranged along the length direction of the cloth roll with the edge sealed at the upper opening.
The analysis time in the step (S9) was 14 days, and the content of ethylene oxide remaining in the mask body after the analysis was less than 10 ug/g.
The step (S5) further includes the steps of:
folding the edge sealing cloth in the upper edge sealing cloth roll and the lower edge sealing cloth roll;
the upper edge banding cloth wraps the upper edge of the mask fabric while the upper edge banding cloth is folded, one side of the nose holding strip mask fabric inside the upper edge banding cloth is made, and the lower edge banding cloth wraps the lower edge of the mask fabric.
The nose clip strip is made of aluminum.
By adopting the technical scheme:
according to the disposable medical mask produced by the process, the upper edge and the lower edge of the mask are sealed by the other cloth, and the disposable medical mask is not folded to be sealed, so that the disposable medical mask prepared by the process consumes less mask raw materials (melt-blown cloth and non-woven cloth), and the cost is saved, and the materials except the melt-blown cloth and the non-woven cloth can be adopted for the cloth with the sealed edges.
Example 2:
the embodiment provides a specific structure of a production process of a disposable medical mask, as shown in fig. 1, the specific steps are as follows:
s1, selecting materials: selecting fabrics for manufacturing the mask, wherein the fabrics comprise two non-woven fabric rolls, a melt-blown fabric roll, an upper edge sealing fabric roll and a lower edge sealing fabric roll, and a plurality of nose clamping strips are arranged in the upper edge sealing fabric roll at equal intervals;
s2, cutting the fabric: cutting the non-woven fabric roll and the melt-blown fabric roll to make the width of the non-woven fabric roll and the melt-blown fabric roll consistent with the width of the mask;
s3, fabric overlapping: overlapping and winding the non-woven fabric roll and the melt-blown fabric roll to form a new mask fabric roll, wherein the mask fabric in the mask fabric roll is formed by overlapping a layer of non-woven fabric on the upper part and the lower part of each layer of melt-blown fabric;
s4, gathering and laminating: gathering and laminating the overlapped mask fabric, and flattening the overlapped mask fabric;
s5, hot-pressing and edge sealing: respectively coating the upper edge sealing cloth roll and the lower edge sealing cloth roll on the upper edge and the lower edge of the mask fabric, and performing hot melt adhesive dispensing and hot pressing on the edges of the upper edge sealing cloth roll and the lower edge sealing cloth roll;
s6, secondary cutting: cutting the fabric with the edges sealed to form a mask main body;
s7, ear belt installation: the ear belts are hot-melted at the two ends of the mask body through a heat sealing machine.
S8, disinfection: sending the masks in batches into a special disinfection chamber, and introducing ethylene oxide gas for disinfection;
s9, analysis: introducing air and nitrogen into the disinfection chamber to dilute and discharge ethylene oxide gas to analyze the ethylene oxide on the mask body;
s10, packaging: and (5) carrying out vacuum packaging on the mask after the disinfection and the analysis are finished.
The nose holding strip is arranged along the length direction of the cloth roll with the edge sealed at the upper opening.
The analysis time in the step (S9) was 14 days, and the content of ethylene oxide remaining in the mask body after the analysis was less than 10 ug/g.
The step (S5) further includes the steps of:
folding the edge sealing cloth in the upper edge sealing cloth roll and the lower edge sealing cloth roll;
the upper edge banding cloth wraps the upper edge of the mask fabric while the upper edge banding cloth is folded, one side of the nose holding strip mask fabric inside the upper edge banding cloth is made, and the lower edge banding cloth wraps the lower edge of the mask fabric.
The nose clip strip is made of aluminum.
The packaging in step (S10) is performed in a sterile environment.
By adopting the technical scheme:
the packaging of the disposable medical mask produced by the process of the invention is carried out in a sterile environment, thereby preventing the pollution of the mask in the mask packaging process.
In the disposable medical mask produced by the process of the invention, the upper edge and the lower edge of the mask are sealed by another cloth instead of the disposable medical mask which is folded for sealing, so that the disposable medical mask prepared by the process of the invention consumes less raw materials of the mask, the cost is saved, and the mask is packaged in an aseptic environment in the process, so that the phenomenon that the mask is polluted in the packaging process of the mask can be effectively prevented.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (7)
1. A production process of a disposable medical mask is characterized in that: the method comprises the following specific steps:
s1, selecting materials: selecting fabrics for manufacturing the mask, wherein the fabrics comprise two non-woven fabric rolls, a melt-blown fabric roll, an upper edge sealing fabric roll and a lower edge sealing fabric roll, and a plurality of nose clamping strips are arranged in the upper edge sealing fabric roll at equal intervals;
s2, cutting the fabric: cutting the non-woven fabric roll and the melt-blown fabric roll to make the width of the non-woven fabric roll and the melt-blown fabric roll consistent with the width of the mask;
s3, fabric overlapping: overlapping and winding the non-woven fabric roll and the melt-blown fabric roll to form a new mask fabric roll, wherein the mask fabric in the mask fabric roll is formed by overlapping a layer of non-woven fabric on the upper part and the lower part of each layer of melt-blown fabric;
s4, gathering and laminating: gathering and laminating the overlapped mask fabric, and flattening the overlapped mask fabric;
s5, hot-pressing and edge sealing: respectively coating the upper edge sealing cloth roll and the lower edge sealing cloth roll on the upper edge and the lower edge of the mask fabric, and performing hot melt adhesive dispensing and hot pressing on the edges of the upper edge sealing cloth roll and the lower edge sealing cloth roll;
s6, secondary cutting: cutting the fabric with the edges sealed to form a mask main body;
s7, ear belt installation: the ear belts are hot-melted at the two ends of the mask body through a heat sealing machine.
2. The production process of the disposable medical mask as claimed in claim 1, wherein: the nose holding strip is arranged along the length direction of the cloth roll with the edge sealed at the upper opening.
3. The production process of the disposable medical mask as claimed in claim 1, wherein: the analyzing time in the step (S9) is 14 days, wherein the content of the residual ethylene oxide in the mask body after the analysis is less than 10 ug/g.
4. The production process of the disposable medical mask as claimed in claim 1, wherein: the step (S5) further includes the steps of:
folding the edge sealing cloth in the upper edge sealing cloth roll and the lower edge sealing cloth roll;
the upper edge banding cloth wraps the upper edge of the mask fabric while the upper edge banding cloth is folded, one side of the nose holding strip mask fabric inside the upper edge banding cloth is made, and the lower edge banding cloth wraps the lower edge of the mask fabric.
5. The production process of the disposable medical mask as claimed in claim 1, wherein: the nose clip strip is made of aluminum.
6. The production process of the disposable medical mask as claimed in claim 1, wherein: further comprising the steps of:
s8, disinfection: sending the masks in batches into a special disinfection chamber, and introducing ethylene oxide gas for disinfection;
s9, analysis: introducing air and nitrogen into the disinfection chamber to dilute and discharge ethylene oxide gas to analyze the ethylene oxide on the mask body;
s10, packaging: and (5) carrying out vacuum packaging on the mask after the disinfection and the analysis are finished.
7. The production process of the disposable medical mask as claimed in claim 6, wherein the production process comprises the following steps: the packaging in the step (S10) is performed in a sterile environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795059.XA CN111923431A (en) | 2020-08-10 | 2020-08-10 | Production process of disposable medical mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795059.XA CN111923431A (en) | 2020-08-10 | 2020-08-10 | Production process of disposable medical mask |
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| Publication Number | Publication Date |
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| CN111923431A true CN111923431A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010795059.XA Pending CN111923431A (en) | 2020-08-10 | 2020-08-10 | Production process of disposable medical mask |
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| CN (1) | CN111923431A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807571A (en) * | 2020-12-31 | 2021-05-18 | 湖北明尔康卫生防护用品有限公司 | Mask manufacturing process and mask |
| CN112959710A (en) * | 2021-01-28 | 2021-06-15 | 湖南一喜科技服务有限公司 | Production process of disposable medical mask |
| CN113276460A (en) * | 2021-07-08 | 2021-08-20 | 蒋慧 | Method for manufacturing inlaid cool bead-blasting mask |
| CN114747819A (en) * | 2020-12-29 | 2022-07-15 | 江苏启视医疗科技有限公司 | Novel medical protective mask and production process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203152562U (en) * | 2013-04-02 | 2013-08-28 | 上海舒爽材料科技有限公司 | Dust-separation and antibacterial medical mask |
| US20140182602A1 (en) * | 2012-12-28 | 2014-07-03 | San-M Package Co., Ltd. | Mask |
| AU2015261574A1 (en) * | 2012-12-28 | 2015-12-10 | San-M Package Co., Ltd. | Mask |
| CN108354243A (en) * | 2018-02-08 | 2018-08-03 | 海宁爱康医疗科技有限公司 | A kind of disposable breathing mask production method |
| CN108464547A (en) * | 2018-02-08 | 2018-08-31 | 海宁爱康医疗科技有限公司 | A kind of production method of medical mask |
| CN111331975A (en) * | 2020-03-05 | 2020-06-26 | 上海封林贸易有限公司 | PP melt-blown composite non-woven fabric for mask filtration and preparation method thereof |
| CN111387595A (en) * | 2020-03-27 | 2020-07-10 | 吉林弗朗医疗科技有限公司 | Disposable medical mask and preparation method thereof |
-
2020
- 2020-08-10 CN CN202010795059.XA patent/CN111923431A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140182602A1 (en) * | 2012-12-28 | 2014-07-03 | San-M Package Co., Ltd. | Mask |
| AU2015261574A1 (en) * | 2012-12-28 | 2015-12-10 | San-M Package Co., Ltd. | Mask |
| CN203152562U (en) * | 2013-04-02 | 2013-08-28 | 上海舒爽材料科技有限公司 | Dust-separation and antibacterial medical mask |
| CN108354243A (en) * | 2018-02-08 | 2018-08-03 | 海宁爱康医疗科技有限公司 | A kind of disposable breathing mask production method |
| CN108464547A (en) * | 2018-02-08 | 2018-08-31 | 海宁爱康医疗科技有限公司 | A kind of production method of medical mask |
| CN111331975A (en) * | 2020-03-05 | 2020-06-26 | 上海封林贸易有限公司 | PP melt-blown composite non-woven fabric for mask filtration and preparation method thereof |
| CN111387595A (en) * | 2020-03-27 | 2020-07-10 | 吉林弗朗医疗科技有限公司 | Disposable medical mask and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114747819A (en) * | 2020-12-29 | 2022-07-15 | 江苏启视医疗科技有限公司 | Novel medical protective mask and production process |
| CN112807571A (en) * | 2020-12-31 | 2021-05-18 | 湖北明尔康卫生防护用品有限公司 | Mask manufacturing process and mask |
| CN112959710A (en) * | 2021-01-28 | 2021-06-15 | 湖南一喜科技服务有限公司 | Production process of disposable medical mask |
| CN113276460A (en) * | 2021-07-08 | 2021-08-20 | 蒋慧 | Method for manufacturing inlaid cool bead-blasting mask |
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Application publication date: 20201113 |
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