CN111165964A - Mask manufacturing method and mask - Google Patents
Mask manufacturing method and mask Download PDFInfo
- Publication number
- CN111165964A CN111165964A CN202010179423.XA CN202010179423A CN111165964A CN 111165964 A CN111165964 A CN 111165964A CN 202010179423 A CN202010179423 A CN 202010179423A CN 111165964 A CN111165964 A CN 111165964A
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- layer
- surface layer
- mask
- core
- bottom layer
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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
- 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
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D27/00—Details of garments or of their making
- A41D27/24—Hems; Seams
- A41D27/245—Hems; Seams made by welding or gluing
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The embodiment of the invention provides a mask manufacturing method, which comprises the following steps: providing and laminating a surface layer, a core layer and a bottom layer, and forming a folded edge which extends from the bottom layer to the surface layer and covers at least one part of the surface layer on the bottom layer; arranging a fixing device on the folded edge, wherein the fixing device is an adhesive layer; the mask is manufactured by a manufacturing method of the mask, a mask body is divided according to a preset shape, the mask body is divided into a plurality of parts, the parts are divided into parts, the.
Description
Technical Field
The present invention relates to a mask manufacturing method and a mask manufactured by the method.
Background
Gauze mask wide use is in people daily protection or medical protection, gauze mask includes the body and sets up the hangers on the body usually, hang the mode of putting on the ear through the hangers and fix the body at the mouth, nose department, and the form that current gauze mask hangers adopted usually is two frenulums, to the installation of these two frenulums, when adopting to lay the frenulum both ends on the body usually, adopt the pressure head to carry out hot pressing to the frenulum both ends and combine together, but adopt this kind of form efficiency of installing piece by piece lower, the form of putting on the ear is hung to ear root also causes the injury easily to the present adoption frenulum simultaneously.
Disclosure of Invention
The present invention provides a mask manufacturing method to solve the above technical problems.
A method of manufacturing a mask, comprising:
providing and laminating a surface layer, a core layer and a bottom layer, wherein the width of the surface layer is greater than or equal to that of the core layer, the width of the bottom layer is greater than or equal to that of the surface layer, and the widths of the surface layer, the core layer and the bottom layer are different and equal;
forming a hem on the bottom layer, wherein the hem extends from the bottom layer to the surface layer and covers at least one part of the surface layer;
arranging a fixing device on the folded edge, wherein the fixing device is an adhesive layer;
and cutting the body consisting of the surface layer, the core layer and the bottom layer according to a preset shape and separating the body.
Further, the forming of the hem on the bottom layer, extending from the bottom layer in the direction of the top layer and covering at least a portion of the top layer, comprises: spraying or laying an adhesive on the surface layer and/or the bottom layer to form an adhesive layer, then folding at least one part of the two sides of the bottom layer, attaching the at least one part of the bottom layer to the adhesive layer of the surface layer to form a folded edge, or folding at least one part of the two sides of the bottom layer, erecting the at least one part of the bottom layer to the surface layer, and then carrying out heat seal on the surface layer and the at least part of the bottom layer erected to the surface layer to form the folded edge.
Further, the forming of the hem on the bottom layer, extending from the bottom layer in the direction of the top layer and covering at least a portion of the top layer, comprises: spraying or laying adhesive on the surface layer and the bottom layer, wherein a predetermined material comprises a first end and a second end, then attaching the first end to the surface layer, and attaching the second end to the bottom layer, and bonding the first end of the predetermined material to the surface layer and the second end to the bottom layer to form a folded edge, or, a predetermined material comprises a first end and a second end, then attaching the first end to the surface layer, and bonding the second end to the bottom layer, and thermally sealing the first end of the predetermined material to the surface layer and the bottom layer at the second end to form a folded edge.
Further, when the surface layer and the core layer are the same in width, when at least one part of two sides of the bottom layer is turned over, the bottom layer is turned over along the side edge position of the surface layer, the part of the bottom layer, which is wider than the surface layer, is turned over to the surface layer to form a folding edge, when the width of the surface layer is larger than that of the core layer, the bottom layer and the surface layer are turned over along the side edge position of the core layer when at least one part of two sides of the bottom layer is turned over, and the part of the bottom layer, which is wider than the core layer, is turned over to the surface.
Furthermore, the width of the surface layer is equal to that of the bottom layer.
Furthermore, the adhesive layer at least covers the side edge of the surface layer.
Further, after the hems are formed on the bottom layer, the method also comprises the steps of arranging a pair of pressing rollers with a slit, and enabling the surface layer, the core layer and the bottom layer which are formed with the hems to pass through the slit of the pressing rollers.
Furthermore, the method can also comprise laminating the surface layer, the core layer and the bottom layer before slitting, and the surface layer, the core layer and the bottom layer are combined into a whole.
Further, the step of arranging a protective layer on the adhesive layer after arranging the fixing device on the folded edge is also included, wherein the protective layer is release paper or release film.
The invention also provides a mask which is prepared by the manufacturing method.
Has the advantages that: the embodiment of the invention provides a mask manufacturing method, which comprises the following steps: providing and laminating a surface layer, a core layer and a bottom layer, and forming a folded edge which extends from the bottom layer to the surface layer and covers at least one part of the surface layer on the bottom layer; arranging a fixing device on the folded edge, wherein the fixing device is an adhesive layer; the mask is manufactured by a manufacturing method of the mask, a mask body is divided according to a preset shape, the mask body is divided into a plurality of parts, the parts are divided into parts, the.
Drawings
FIG. 1 is a schematic flow chart of a mask manufacturing method according to an embodiment of the present invention
FIG. 2 is a schematic view of a dispensing apparatus according to an embodiment of the present invention
FIG. 3 is a schematic view of a showerhead disposed above a face layer, a core layer, and a bottom layer
FIG. 4 is a schematic view of a mask in accordance with an embodiment of the present invention
3 FIG. 3 5 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 in 3 FIG. 3 4 3
Description of the graphical notation: a body 10; a face layer 11; a spray head 110; an adhesive layer 111; a core layer 12; a bottom layer 13; a hem (14); and an adhesive layer 15.
Detailed Description
Referring to fig. 1 to fig. 3, the flow chart of the mask manufacturing method according to the embodiment of the present invention is shown, and the mask manufactured by the method can be generally used for protecting particles (such as pollen, dust) or microorganisms (such as bacteria and viruses), and the like, but is not limited to the protection of the above-mentioned substances, and other situations can be applicable, such as liquid and spray. The manufacturing method of the mask specifically comprises the following steps:
s1: providing and laminating a surface layer 11, a core layer 12 and a bottom layer 13;
the face layer 11 is a sheet-like material disposed on the side to be attached to the face of the wearer, and is preferably soft and low-irritant because it is in contact with the skin, e.g., having a weight per unit area of 10 to 60g/m2The gauze, cotton cloth, water thorn non-woven fabrics, sheet such as hot-blast non-woven fabrics, but, more preferred, for the hot-blast non-woven fabrics that comprises thermoplastic synthetic fiber, generally speaking, the hot-blast non-woven fabrics that comprises thermoplastic synthetic fiber is very fluffy, can make the air current that the wearer breathes pass through more easily on the one hand, is difficult to produce vexation sense, and on the other hand, hot-blast non-woven fabrics has certain moisture absorption effect, can prevent that steam from getting into sandwich layer 12, produces negative effects to the effects such as filtration of sandwich layer 12.
As the synthetic fibers constituting the hot air non-woven fabric, polyolefin fibers such as Polyethylene (PE) fibers and polypropylene (PP) fibers, polyester fibers, polyamide fibers such as nylon, and the like may be used, and in some alternative embodiments, natural fibers or viscose fibers may be added together to further reduce irritation to the skin, and these natural fibers may include wood fibers, cotton fibers, and the like.
In another embodiment, the surface layer 11 may be a sheet material further modified for skin-friendly, and the side facing the face of the wearer may be subjected to a fluffing treatment, specifically, the fluffing treatment includes setting a brush to perform rolling brushing or flat brushing on the surface of the surface layer 11 to form a fluffing effect, so as to spray a skin-friendly composition on the surface of the surface layer 11.
The bottom layer 13 may be a spun-bonded nonwoven fabric, preferably, a nonwoven fabric with water repellency, such as an SMS nonwoven fabric, an SMMS nonwoven fabric, an SPES nonwoven fabric, etc., so that the formed mask can protect the core layer 12 sandwiched between the face layer 11 and the bottom layer 13 from liquid contamination through the bottom layer 13, in one embodiment, the bottom layer 13 may be an SMS nonwoven fabric with a basis weight range of 10-80 g/square meter, it can be understood that the basis weight ranges of the face layer 11 and the bottom layer 13 may be adjusted according to actual needs, and the above ranges are only used to help selection, and are not particularly limited.
The core layer 12 is sandwiched between the surface layer 11 and the bottom layer 13, and it can be understood that, in a preferred embodiment, the core layer 12 may be a filter medium, such as a melt-blown nonwoven fabric, for filtering particles or microorganisms through the filter medium, and when the filter medium is the melt-blown nonwoven fabric, the melt-blown nonwoven fabric may have a unit area weight of 10 to 60g/m2The melt-blown nonwoven fabric is composed of polypropylene fibers, and the diameter of the polypropylene fibers is 0.1-10 microns.
The providing and stacking of the surface layer 11, the core layer 12 and the bottom layer 13 can be performed by a laying device, referring to fig. 2, fig. 2 shows a device for stacking the surface layer 11, the core layer 12 and the bottom layer 13, the device comprises a first roller, a second roller and a third roller, the surface layer 11, the core layer 12 and the bottom layer 13 are respectively wound on a paper core pipe, the paper core pipes of the surface layer 11, the core layer 12 and the bottom layer 13 are respectively sleeved on the first roller, the second roller and the third roller, the surface layer 11, the core layer 12 and the bottom layer 13 are sequentially laid on a carrier roller from top to bottom, and when a traction device is further arranged at the downstream to drive the surface layer 11, the core layer 12 and the bottom layer 13 to move in the downstream direction while being stacked.
The surface layer 11, the core layer 12 and the bottom layer 13 include a length direction and a width direction, the length direction is a direction parallel to the moving direction of the surface layer 11, the core layer 12 and the bottom layer 13, and the width direction is a direction perpendicular to the moving direction of the surface layer 11, the core layer 12 and the bottom layer 13.
In one embodiment, the surface layer 11 and the core layer 12 have the same width, the bottom layer 13 has a width greater than the width of the surface layer 11 and the core layer 12, the surface layer 11 and the core layer 12 are laid to coincide, and the distance between two sides of the bottom layer 13 and the corresponding side of the surface layer 11 is equal.
In another embodiment, the width of the core layer 12 may be smaller than the width of the surface layer 11 and the width of the bottom layer 13, and the width of the surface layer 11 may be smaller than or equal to the width of the bottom layer 13.
Furthermore, a press roller is arranged above the carrier roller, and the surface layer 11, the core layer 12 and the bottom layer 13 pass through a slit between the carrier roller and the press roller, so that the surface layer 11, the core layer 12 and the bottom layer 13 have a better laminating effect.
Furthermore, a guide roller, a flattening roller or a tensioning device can be arranged between the carrier roller and the first roller, the second roller and the third roller, and details are not repeated herein.
S2: a hem 14 extending from the base layer 13 toward the cover layer 11 and covering at least a part of the cover layer 11 is formed on the base layer 13;
in the embodiment of the invention, the method comprises the following steps:
s201: spraying or paving an adhesive on the surface layer 11 and/or the bottom layer 13 to form an adhesive layer 111; it is understood that the adhesive can be any of various adhesives available in the art, such as starch, polyurethane, nitrocellulose, polyvinyl acetate, and the like; water-soluble adhesives such as ethylene-vinyl acetate copolymers and ethylene-acrylic acid copolymers; emulsion type adhesives such as vinyl acetate resins and acrylic resins; and hot melt adhesives comprising thermoplastic resins such as polystyrene, polyurethane, and polyacrylate.
In fig. 2, a spray head 110 is shown above the surface layer 11, and the adhesive is sprayed onto the surface layer 11 and/or the bottom layer 13 through the spray head 110, generally, when the adhesive is in a liquid state, the spraying is preferred, and when the adhesive is in a paste or emulsion state, the coating or knife coating is preferred.
S202: at least a portion of both sides of the bottom layer 13 is folded over and the bottom layer 13 is attached to the adhesive layer 111 of the face layer 11 to form a folded edge 14.
It will be appreciated that when the facing layer 11 is the same width as the core layer 12, the base layer 13 may be folded over along the side of the facing layer 11 and the portion of the base layer 13 wider than the facing layer 11 is folded over the facing layer 11 to form a flap 14, the flap 14 being integrally joined to the facing layer 11 by an adhesive.
Alternatively, when the width of the surface layer 11 is larger than that of the core layer 12, the bottom layer 13 and the surface layer 11 may be folded along the side of the core layer 12, so that the portion of the bottom layer 13 and the portion of the surface layer 11 wider than the core layer 12 are folded onto the surface layer 11 to form the folded edge 14, and the folded edge 14 is integrated with the surface layer 11 through the adhesive layer 111, in which case, the folded edge 14 includes a portion of the bottom layer 13 and a portion of the surface layer 11.
It will be appreciated that adhesive layer 111 has an area such that when flap 14 is folded over facing 11, flap 14 can be secured to facing 11 by adhesive layer 111.
Further, the adhesive layer 111 covers at least the side of the face layer 11 so that no air leakage occurs at the side of the face layer 11 when the hem 14 is coupled to the face layer 11.
Further, in another embodiment, the folded edge may be formed by:
s211, folding at least one part of the two sides of the bottom layer, and enabling at least one part of the bottom layer 13 to be erected on the surface layer.
It will be appreciated that when the facing layer is the same width as the core layer, the base layer may be folded over along the side locations of the facing layer and so that the portion of the base layer wider than the facing layer is folded over onto the facing layer.
When the width of the surface layer is larger than that of the core layer, the bottom layer and the surface layer can be turned along the side edge position of the core layer, so that the part of the bottom layer and the part of the surface layer, which is wider than the core layer, are turned to the surface layer.
More preferably, the facing layer and the backing layer are of equal width, and when folded over the facing layer, the hem formed comprises the facing layer and the backing layer of equal width.
The fold-over may be in the form of a folding roller or the chassis may be formed in the form of a folded sheet.
S212: and carrying out heat seal on the surface layer and at least part of the bottom layer folded and erected to the surface layer to form folded edges.
It will be appreciated that when the portion folded over onto the facing layer comprises only the base layer, the hem formed comprises only the base layer, and when the portion folded over onto the facing layer comprises both the base layer and the facing layer, the hem formed comprises both the base layer and the facing layer.
Further, in further embodiments, hem 14 may also be formed by:
s221, spraying or paving an adhesive on the surface layer and the bottom layer;
s222, a predetermined material comprises a first end and a second end, wherein the first end is attached to the surface layer, the second end is attached to the bottom layer, and the first end and the surface layer and the second end and the bottom layer of the predetermined material are bonded to form a folded edge.
It will be appreciated that the adhesive laid on the bottom and face layers is of sufficient area, and that the predetermined material, which may be a variety of sheet materials such as cloth, nonwoven, film, etc., is also of sufficient area to enable the predetermined material to be secured to the bottom and face layers by the adhesive.
Further: in further embodiments, hem 14 may also be formed by:
s231: the predetermined material comprises a first end and a second end, wherein the first end is attached to the surface layer, and the second end is attached to the bottom layer.
S232: the first end of the predetermined material is heat sealed to the facing layer and the second end is heat sealed to the bottom layer to form a hem.
It is to be understood that, in this embodiment, the predetermined material is a heat-fusible sheet material, such as a nonwoven fabric material made of polyolefin fibers such as Polyethylene (PE) fibers and polypropylene (PP) fibers. In addition, the heat seal can be a direct heat seal or an ultrasonic heat seal.
Further, after step S2, the method may further include:
in step S21, hem 14 is fixed.
A pair of nip rollers having a slit is provided downstream after the formation of the hem 14, and the face sheet 11, the core sheet 12, and the bottom sheet 13 forming the hem 14 are passed through the slit so that the hem 14 is completely adhered to the face sheet 11, forming a fixed structure.
S3: a fixing device is arranged on the folded edge 14;
the fastening means is an adhesive layer 15. typically, the adhesive layer 15 is formed by spraying or spraying an adhesive on the flap 14, and the mask is fastened to the wearer's face, such as the face or the bridge of the nose, via the adhesive layer 15.
When the adhesive is in a fluid liquid state, it is preferably added to the surface of flange 14 by a spraying process, when the adhesive is in an emulsified semi-solid state, it is preferably added to the surface of flange 14 by a coating or doctor-blading process, and when the adhesive is in a viscous paste or solid state, it is preferably added to the surface of flange 14 by a doctor-blading process or a sizing process.
It will be understood that said adhesive layer 15 may have a predetermined shape on the flange 14, such as a strip, intermittent dots, continuous sheet, etc.
It will be appreciated that the spray head or coating device may be arranged in a fixed position to form the adhesive layer 15 on the flange 14 as the facing layer 11, core layer 12 and base layer 13 pass through the spray head or coating device as they are transported downstream by the idler rollers.
In one embodiment, the adhesive layer 15 is configured to include one or more adhesive units in the form of dots, lines or sheets, which are arranged at intervals.
Furthermore, the viscose units are arranged at equal intervals.
The size and the area of the viscose unit can be adjusted according to actual needs.
Further, step S3 may be followed by a step of providing a protective layer on the adhesive layer 15.
The protective layer has a separation surface with low surface tension, and it can be understood that the separation surface can be formed by adding a material with low surface tension on the surface of the sheet material, such as silicone oil, specifically, the protective layer can be release paper, release film, and the like.
S4: cutting the body 10 composed of the surface layer, the core layer and the bottom layer in a predetermined shape and separating the body 10.
The body 10 may be slit, for example, by a slitting knife, and the body 10 may be separated from the stack of the face layer 11, the core layer 12, and the bottom layer 13 by removing excess material. The preset shape can be the shape enclosed by the cutting knife.
It can be understood that, laminating the surface layer 11, the core layer 12 and the bottom layer 13 before slitting may be further included, so that the surface layer 11, the core layer 12 and the bottom layer 13 are combined into a whole and then slit, on one hand, the separated body 10 may be integrated, and on the other hand, the excess material recovery is also facilitated.
The lamination can be performed by a heat sealing method, such as a pair of bottom roller and heat sealing roller with slit, when the surface layer 11, the core layer 12 and the bottom layer 13 pass through the slit, the heat sealing roller and bottom roller perform heat sealing to the predetermined positions of the surface layer 11, the core layer 12 and the bottom layer 13, of course, in other embodiments, an adhesive can be disposed between the surface layer 11, the core layer 12 and the bottom layer 13, and the surface layer 11, the core layer 12 and the bottom layer 13 form an integral body by adhesion.
Further, when the mask includes a covering portion covering the mouth and nostrils of the mask wearer' S face and extending portions extending from both sides of the covering portion toward the ear sides of the face, respectively, the extending portion and the covering portion may be integrally formed or separately formed, it is understood that when the extending portion and the covering portion are integrally formed, the body 10 will be used as the covering portion and the extending portion, and when the extending portion and the covering portion are separately formed, the body 10 will be used as the extending portion, it is understood that a step of forming the covering portion is further included before step S4, and a step of coupling the covering portion with both the extending portions is further included after step S4.
More specifically, the partial extending part is overlapped with the covering part, and the overlapped area is combined, wherein the combination can be heat seal, ultrasonic bonding or gluing.
In addition, the main body 10 may also be used as a covering part, and when the main body 10 is used as a covering part, the adhesive layer 15 is used for attaching to the bridge of the nose of the wearer, and the method further includes a step of forming an extension part before step S4 and a step of bonding the covering part and the two extension parts after step S4.
Further, step S4 may be preceded by the step of performing a secondary fixing of flap 14 along the edge line of flap 14, said secondary fixing including heat sealing of flap 14 to face layer 11 along the edge line of flap 14.
As can be seen from the above description, in the manufacturing method, the existing step of performing intermittent processing one by one is not provided on the body 10, so that on one hand, the production efficiency is greatly improved, on the other hand, the mask can be completely attached to the face when being worn, the occurrence of air leakage is reduced, and meanwhile, no nose clip or ear loop is required, and the damage to the bridge of the nose or the ears is reduced.
Referring to fig. 4 and 5, the present invention also provides a mask manufactured according to the above steps, and the specific structure has been described in the above description, and is not repeated herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of manufacturing a mask, comprising:
providing and laminating a surface layer, a core layer and a bottom layer, wherein the width of the surface layer is greater than or equal to that of the core layer, the width of the bottom layer is greater than or equal to that of the surface layer, and the widths of the surface layer, the core layer and the bottom layer are different and equal;
forming a hem on the bottom layer, wherein the hem extends from the bottom layer to the surface layer and covers at least one part of the surface layer;
arranging a fixing device on the folded edge, wherein the fixing device is an adhesive layer;
and cutting the body consisting of the surface layer, the core layer and the bottom layer according to a preset shape and separating the body.
2. The method of making a mask of claim 1 wherein said forming a flap on said base layer extending from said base layer in the direction of said cover layer and covering at least a portion of said cover layer comprises: spraying or laying an adhesive on the surface layer and/or the bottom layer to form an adhesive layer, then folding at least one part of the two sides of the bottom layer, attaching the at least one part of the bottom layer to the adhesive layer of the surface layer to form a folded edge, or folding at least one part of the two sides of the bottom layer, erecting the at least one part of the bottom layer to the surface layer, and then carrying out heat seal on the surface layer and the at least part of the bottom layer erected to the surface layer to form the folded edge.
3. The method of making a mask of claim 1 wherein said forming a flap on said base layer extending from said base layer in the direction of said cover layer and covering at least a portion of said cover layer comprises: spraying or laying adhesive on the surface layer and the bottom layer, wherein a predetermined material comprises a first end and a second end, then attaching the first end to the surface layer, and attaching the second end to the bottom layer, and bonding the first end of the predetermined material to the surface layer and the second end to the bottom layer to form a folded edge, or, a predetermined material comprises a first end and a second end, then attaching the first end to the surface layer, and bonding the second end to the bottom layer, and thermally sealing the first end of the predetermined material to the surface layer and the bottom layer at the second end to form a folded edge.
4. The mask manufacturing method according to claim 2, wherein when the face layer is the same width as the core layer, the back layer is folded along the side positions of the face layer when at least a part of both sides of the back layer are folded, and the part of the back layer wider than the face layer is folded onto the face layer to form the folded edges, and when the face layer is wider than the core layer, the back layer and the face layer are folded along the side positions of the core layer when at least a part of both sides of the back layer are folded, and the part of the back layer and the part of the face layer wider than the core layer are folded onto the face layer to form the folded edges.
5. The mask manufacturing method of claim 4 wherein said face layer and said back layer are of equal width.
6. The mask manufacturing method of claim 2 wherein said adhesive layer covers at least the side edges of the facing layer.
7. The mask making method of claim 2 further comprising the step of providing a pair of nip rollers having a slit after forming the flap on the back sheet, and passing the flap-formed face sheet, core sheet and back sheet through the nip rollers.
8. The method of making a mask of claim 2 further comprising laminating the top, core and bottom layers prior to slitting such that the top, core and bottom layers are joined together.
9. The mask making method of claim 2 further comprising the step of providing a protective layer on the adhesive layer after the fixing means is provided on the flap, said protective layer being a release paper or a release film.
10. A mask produced by the method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179423.XA CN111165964A (en) | 2020-03-16 | 2020-03-16 | Mask manufacturing method and mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010179423.XA CN111165964A (en) | 2020-03-16 | 2020-03-16 | Mask manufacturing method and mask |
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| CN111165964A true CN111165964A (en) | 2020-05-19 |
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| WO2018033108A1 (en) * | 2016-08-17 | 2018-02-22 | Masgick, Inc. | Respiratory protection device and processes producing same |
| CN107485079A (en) * | 2017-09-08 | 2017-12-19 | 盐城方天无纺制品有限公司 | It is a kind of new without band mouth mask |
| CN108926053A (en) * | 2018-08-27 | 2018-12-04 | 湖北佰斯特卫生用品有限公司 | A kind of full-automatic mask production line |
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Application publication date: 20200519 |