JP2011030706A - Method for manufacturing mask and the mask - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide the method for manufacturing a mask excellent in air-permeability and close adhesion to the wearer's face, and the mask. <P>SOLUTION: The method for manufacturing a mask equipped with a mask body and its parts to hang the mask body from ears includes a process of cutting a filter material made of a single or a plurality of nonwoven fabrics into a prescribed shape with necessary cuts included; a process of forming a filter part by laying one cut side end on top of the other to assemble them into a three-dimensional shape, and tentatively fixing the both doubled side ends; a process of inserting the filter part into a metal mold, and clamping it to form cavities at the positions for the parts or doubled side ends that are continuously folded along the circumferences or fringes of the filter area for them to get in close contact with the face when a user wears the mask; and a process of injecting thermoplastic elastomer into the mold cavities to manufacture the mask body where the filter material and thermoplastic elastomer are bonded together. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a mask manufacturing method and its mask for enclosing the nose, mouth and the periphery thereof to prevent invasion of dust, pollen and the like, and prevention of splash infection such as viruses and bacteria. More specifically, the present invention relates to a mask manufacturing method and a mask that can manufacture a mask with improved adhesion to the face of the mask with high productivity.

  For masks, surgical masks used by medical and hospital personnel, face masks used by people working in clean rooms, food processing sites, etc., and the purpose of preventing dust, mist, etc. generated by any work from being sucked There are various things such as dust masks. In addition, in order to prevent hay fever, people who have hay fever will not be allowed to infect other people by splashing flu or colds. ing. Furthermore, there are many so-called “three-dimensional masks”, including those with hay fever, as they are less stuffy than conventional cloth (gauze) masks, have a good fit, are not difficult to talk to, and can be used for a long time. It is becoming worn by people.

  Normally, the performance of a filter that collects dust, pollen, etc. is important for the performance required for the mask, but the other protective performance of the mask is the adhesion of the mask to the face ( (Fitness) is also emphasized. This is because even if a high-performance filter is used, if the adhesion between the mask and the face is not sufficient, dust, pollen, etc. are sucked from the gap, resulting in a decrease in performance as a mask. It is.

  As a disposable dust mask, there is one in which a filtering material made of a nonwoven fabric is formed into a substantially hemispherical shape so as to cover the nose and mouth. In this disposable dust mask, the filter medium is changed to follow the undulations of the face by tightening the hanging strap or by hooking the ear hooking portion on the ear. However, if the material is a non-woven fabric, the deformability is poor, and the contact portion of the filter medium with the face may not sufficiently follow the undulations of the face. If the mask does not adhere to the face, the effect is reduced. For this reason, various proposals have been made.

  For example, the covering portion that covers the nostril and mouth of the mask wearer has a breathable filter portion that is convex toward the front of the mask wearer's face, and the upper edge portion of the filter portion A technique relating to a simple mask in which a nose clip is attached to an overhanging portion that protrudes radially inward from the filter portion is known (for example, see Patent Document 1). Also, it consists of a mask body part and a face contact part, the peripheral part of the mask body part and the peripheral part of the face contact part are joined, and the face contact part is on one side of a stretchable fabric made of nylon fiber or polyester fiber. There is known a technique related to a mask that is made of a sheet-like cloth laminated with a soft resin such as polyurethane, and the laminated sheet cloth is cut into a deformed ring shape (see, for example, Patent Document 2).

Japanese Patent No. 3955905 JP 2003-320041 A

  The overhanging part of the simple mask of Patent Document 1 is a bent air-permeable filter part, and the wearer plastically deforms the nose clip and the chin clip so as to follow the nose and its both sides and jaws. , It will be in close contact. However, the shape and size of the wearer's face is very different, and the upper and lower parts of the mask performed by the wearer cannot be deformed so as to follow the nasal muscles, jaws, etc. However, there is a problem that there is a risk of not being in close contact with the face of the wearer.

  The mask of Patent Document 2 uses a plurality of types of fibers and has many joints, and there are many manufacturing processes such as fusing, welding, and laminating processes, and the manufacturing cost is high and may not be provided at low cost. There is a problem. Such a mask is provided at a low cost, and for example, the effect is diminished unless it is replaced with a new mask every day. Also, if the fit is not good, the wearer will touch the mask many times during use, and if there is a virus etc. on the hand, it will be brought closer to the mucous membrane on its own, which is rather a risk of infection. May increase.

Therefore, there has been a demand for the development of an inexpensive mask and a method for manufacturing the mask that can be reliably brought into close contact with the face simply by being worn by the wearer, have a simple configuration, and are inexpensive.
The present invention has been made to solve the above-described problems and achieves the following object.
The objective of this invention is providing the manufacturing method of a mask excellent in air permeability and the close_contact | adherence to a wearer's face, and its mask.

The present invention employs the following means in order to achieve the above-described object.
The mask manufacturing method according to the first aspect of the present invention is a mask manufacturing method including a mask main body that surrounds and covers a wearer's nose, mouth, and the periphery thereof, and ear hooks provided on both sides of the mask main body. And cutting the filter material composed of a single nonwoven fabric or a plurality of nonwoven fabrics into a predetermined shape having a cut portion, overlapping both sides of the cut portion, and assembling into a three-dimensional shape, Temporarily fixing both side overlapping portions where the side portions overlap each other, forming a filter member, inserting the filter member into a mold, clamping the mold, and a peripheral portion of the filter member; Continuing on the peripheral edge, bent to the inside of the three-dimensional shape, and when the wearer wears a mask, the face close contact portion that is in close contact with the wearer's face and the position corresponding to the both side overlapping portions Forming a cavity, and injecting a thermoplastic elastomer into the cavity of the mold to manufacture the mask body in which the filter member and the thermoplastic elastomer are integrally joined. It is characterized by that.

Invention 2 Mask manufacturing method
A mask manufacturing method comprising: a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof; and an ear hook provided on both sides of the mask body. A process of cutting a filter material made of a nonwoven fabric into a predetermined shape having a cut portion, and superimposing both sides of the cut portion, assembling into a three-dimensional shape, and forming both side overlapping portions where both the sides overlap Temporarily fastening and forming the filter member, and inserting the filter member into the mold, and clamping the mold, provided at the peripheral edge of the filter member and the end of the peripheral edge A step of forming a cavity at a position corresponding to the engaging portion and the both side overlapping portion; a thermoplastic synthetic resin or a thermoplastic elastomer is injected into the cavity of the mold; A step of manufacturing a mask body in which a luter member and the thermoplastic synthetic resin or thermoplastic elastomer are integrally joined, an outer frame portion, and the outer frame portion, and is bent to the inner side of the three-dimensional shape, A mold for molding a mask frame provided with a face contact portion that is in close contact with the face of the wearer and an engaged portion that removably engages the engagement portion of the mask body is thermoplastic to a mold. The method includes a step of injecting an elastomer to manufacture a mask frame, and a step of engaging the mask body with the mask frame to form the mask body.

Invention 3 The method for producing a mask according to Invention 1 or 2,
The filter material has a substantially heart shape having a cut portion, and the three-dimensional shape is an oblique cone shape or an almost oblique cone shape.

The mask of the present invention 4 has
A mask comprising a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof, and ear hooks provided on both sides of the mask body, the mask body comprising a single nonwoven fabric or a plurality of masks A filter material made of laminated non-woven fabric, a filter member formed into a three-dimensional shape, a peripheral elastomer part formed of a thermoplastic elastomer and integrally joined to the peripheral part of the filter member, and continuous to the peripheral elastomer part And when the wearer wears a mask when folded to the inside of the three-dimensional shape, it is composed of an elastomer body having a face contact elastomer portion that is in close contact with the face of the wearer.

The mask of the present invention 5
A mask comprising a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof, and ear hooks provided on both sides of the mask body, the mask body comprising a single nonwoven fabric or a plurality of masks A filter material made of laminated non-woven fabric, a filter member formed into a three-dimensional shape, a peripheral elastomer part integrally joined to the peripheral part of the filter member, and an engagement provided at the end of the peripheral elastomer part A mask body formed of a thermoplastic synthetic resin or a thermoplastic elastomer, and formed of a thermoplastic elastomer, constituting a frame portion of the mask body, the outer frame portion, A face-contacting elastomer part that is continuous with the frame part and is bent to the inside of the three-dimensional shape and is in close contact with the face of the wearer when the wearer wears a mask, and the engagement part of the mask body Characterized in that it is composed of a mask frame having the engaged portion which is disengageably engaged.

The mask of the present invention 6 is the invention 4 or 5, wherein
The filter member is formed by integrally bonding a substantially heart-shaped filter material having a cut portion by superimposing both sides of the cut portion and injecting a thermoplastic elastomer into the overlapped side overlapping portions. The three-dimensional shape is an oblique cone shape.
The mask of the present invention 7 is characterized in that, in the present invention 6, the mask main body is one in which one or a plurality of ribs are radially formed on the filter member at an angular position different from the overlapped portion on both sides. And

  Since the site | part which contacts a wearer's face is formed with the flexible and elastically deformable thermoplastic elastomer, when a wearer wears a mask, the mask of this invention contacts a face reliably. Therefore, there is no possibility that a gap is generated between the face and the face close contact portion of the mask, and the performance related to the adhesion of the mask is improved. In addition, this mask is excellent in the air permeability of the mask because almost the entire surface of the mask is a filter member and does not cause breathing. Further, this mask is easy to wear because it does not require any special procedure for bringing it into close contact with the wearer's face. Moreover, this mask is excellent in decorativeness, aesthetics, fashionability, etc., and can wipe away the resistance of the wearer to wearing the mask.

  In the mask manufacturing method of the present invention, the filter member and the thermoplastic elastomer are integrated by injection molding with high productivity. Moreover, this mask manufacturing method can mass-produce a mask having excellent adhesion to the face of the wearer and air permeability with high productivity, can provide the mask at low cost, and is excellent in economic efficiency.

Drawing 1 is an explanatory view showing the state where the mask of the present invention is worn by the wearer in front view. FIG. 2 is a front view of the mask body of the mask of the present invention. FIG. 3 is a cross-sectional view of FIG. 2 taken along line AA. 4 is a cross-sectional view of FIG. 2 taken along line BB. FIG. 5 is a side view showing a state in which the mask is worn by the wearer, and is a cross-sectional view corresponding to FIG. 4. FIG. 6 is a plan view showing the filter material. FIG. 7 is a perspective view showing the filter member. FIG. 8 is a partial cross-sectional view schematically showing a process of manufacturing a mask main body by injection molding. FIG. 8 (a) is a state before injection of a thermoplastic elastomer, and FIG. 8 (a) is thermoplastic. The state after elastomer injection is shown. FIG. 9 is a flowchart showing the mask manufacturing method of the present invention. FIG. 10 is a sectional view showing another embodiment of the mask of the present invention. FIG. 11 is a front view showing still another embodiment of the mask of the present invention. FIG. 12 is a front view showing still another embodiment of the mask of the present invention. FIG. 13 is a partial cross-sectional view showing another embodiment of the joint portion between the filter member and the elastomer body.

  Embodiments of the mask manufacturing method and the mask according to the present invention will be described below in detail with reference to the drawings. The mask of the present invention is suitable for use as a surgical mask, sanitary mask, face mask, dust mask or the like.

  FIG. 1 is an explanatory view showing a state in which the wearer wears the mask of the present invention in a front view, FIG. 2 is a front view of the mask body of the mask of the present invention, and FIG. FIG. 4 is a cross-sectional view taken along line B-B in FIG. 2. FIG. 5 is a side view showing a state where the wearer is wearing the mask of the present invention, and is a cross-sectional view corresponding to FIG. 4. FIG. 6 is a plan view showing the filter material, and FIG. 7 is a perspective view showing the filter member.

  The mask 1 surrounds the nose, mouth and the periphery of the mask wearer to prevent invasion of dust, pollen, etc., and to prevent splash infection such as viruses and bacteria. The mask 1 is composed of a mask main body 15, an ear hook portion 50, and the like. The mask main body 15 includes a filter member 10 and an elastomer body 20.

  The filter member 10 is obtained by forming the filter material 11 into a predetermined three-dimensional shape. In this embodiment, the filter member 10 is formed in an oblique cone shape or a substantially oblique cone shape. The filter member 10 is formed by assembling a substantially heart-shaped filter material 11 (see FIG. 6) in a plan view in which a notch 11a is formed so that both sides 11d of the notch 11a and the vicinity of the side 11d overlap. An oblique cone shape or a substantially oblique cone shape is used (see FIG. 7). The filter material is a nonwoven fabric in which one sheet or a plurality of sheets (for example, three sheets) are stacked, and has a predetermined high air permeability and high filter performance (collection performance). In other words, the filter member may be capable of collecting fine particles such as viruses so that the wearer does not feel breathless.

  Such a nonwoven fabric as a mask material is publicly known, and detailed description is omitted in the description of this embodiment. In addition, when a plurality of non-woven fabrics are stacked, at least one non-woven fabric (for example, an intermediate portion), a fine high-performance non-woven fabric, a non-woven fabric subjected to permanent electrostatic processing, a HEPA-standard non-woven fabric, nano-level It is good also as a nonwoven fabric etc. which consist of a fiber of thickness.

  The filter member 10 is an elastomer made of an elastically deformable thermoplastic elastomer in which a superposed part 11c or the like, which is a part where both side parts 11d of the peripheral part 11b and the notch part 11a are overlapped, is formed to a predetermined thickness. The body 20 is integrally joined. That is, the elastomer body 20 is a polymerization that covers and joins the peripheral elastomer part 21 joined around the peripheral part 11b, and the overlapping part 11c in which both sides 11d of the notch part 11a and the vicinity of the side part 11d are overlapped. It consists of an elastomer part 23 and a face contact elastomer part 22 which is formed in a portion which is continuous with the peripheral elastomer part 21 and is bent to the inside of the three-dimensional shape (space 16 side) and closely contacts the wearer's face. ing. The peripheral elastomer portion 21 is integrated so as to sandwich the vicinity of the peripheral edge of the filter member 10 from both the front and back sides. Further, the polymerized elastomer part 23 is also integrated so as to sandwich the polymerized part 11c and the vicinity of the polymerized part 11c from both the front and back sides and to cover the polymerized part 11c. That is, the sealing performance does not deteriorate from these joint portions.

  As the thermoplastic elastomer, thermoplastic elastomers such as styrene, olefin, vinyl chloride, urethane, ester and amide can be used. The elastomer body 20 may be given a predetermined color such as red, blue, orange or green. For example, if the filter member 10 is transparent, translucent, white, and the like, and the elastomer body 20 has a predetermined color, the decorativeness, aesthetics, and the like can be improved due to color contrast and the like. In addition, the wearer can select a mask of his / her favorite color or coordinate the mask with clothes. Furthermore, the wearer may select a mask according to the mood, weather, etc. of the day.

  The mask body 15 is obtained by integrally joining the filter member 10 and the elastomer body 20. A space 16 is formed inside the mask body 15 so that the wearer does not feel stuffy. Moreover, the mask wearer does not become difficult to talk.

  The mask body 15 is provided with an ear hook 50 (see FIG. 1). The ear hook portion 50 includes a string holding portion 52 integrated with the mask main body 15 by fusion or the like, and an ear hook string 51 inserted through the string holding portion 52. Note that the ear hooks may have other shapes. For example, a cloth-like member made of a nonwoven fabric or the like may be formed with a hole or the like for inserting the ear part.

A method for manufacturing the mask of this embodiment will be described with reference to FIGS.
FIG. 8 is a partial cross-sectional view schematically showing a process of manufacturing a mask main body by injection molding. FIG. 8 (a) is a state before injection of a thermoplastic elastomer, and FIG. 8 (a) is thermoplastic. The state after elastomer injection is shown. FIG. 9 is a flowchart showing the mask manufacturing method of the present invention.

  The filter material 11 is cut into a predetermined shape (S51). The filter material 11 in this form is cut into a substantially heart shape in which a cutout portion 11a is formed (see FIG. 6). As shown in FIG. 7, this filter material 11 is rounded with the intersection of the notch portions 11a as vertices so that both sides 11d of the notch portions 11a and the vicinity of the side portions 11d overlap, and both of the notch portions 11a. The overlapping portion 11c, which is a portion where the side portion 11d and the vicinity of the side portion 11d overlap, is temporarily fixed at one place or a plurality of places (S52). The temporary fixing may be performed by fusion (welding) or the like, and can be performed by a method such as high-frequency welding, thermal welding, or ultrasonic welding. Moreover, you may adhere | attach with a double-sided adhesive agent etc.

  This temporarily fixed filter material 11 becomes the filter member 10 formed in a three-dimensional shape (for example, a slant cone shape, a substantially slant cone shape). The filter member 10 is inserted into the mold 30 and the mold 30 is clamped (S53). The mold 30 that has been clamped has a cavity 31 at a predetermined position (a position corresponding to the peripheral portion 11b and the peripheral portion 11b, a position near the overlapping portion 11c and the overlapping portion 11c, and a position close to the face) of the filter member 10. A cavity 32 is formed (see FIG. 8a). When the thermoplastic elastomer is injected into the cavity 31 and the cavity 32 through a gate (not shown) or the like (S54), the filter member 10 inserted into the mold 30 and the elastomer body 20 made of the injected thermoplastic elastomer. Are joined together (see FIG. 8b).

  After cooling, the mold 30 is opened, and the mask body 15 in which the filter member 10 and the elastomer body 20 are integrally bonded is taken out from the mold 30 (S55). The mask main body 15 is provided with an ear hook 50 (S56). That is, the mask main body 15 is integrally formed by fusing a string holding portion 52 for inserting the ear strap 51 into both ends of the mask main body 15, and the ear strap 51 is inserted into the hole of the string holding portion 52.

  A method for wearing the mask 1 will be described. The wearer can easily wear the mask 1 by covering the nose, mouth and the like with the mask main body 15 and putting the ear hooking portion 50 on the ear as in the conventional case. At this time, the face contact elastomer portion 22 is in close contact with the wearer's face, but the face contact elastomer portion 22 is formed of a thermoplastic elastomer that is a flexible and elastically deformable material. The surface of the mask 1 is not elastically deformed and closely contacted with the face without deteriorating the performance of the mask 1 (see FIG. 5). That is, the fit of the mask 1 is very high. Moreover, even when the wearer is using glasses, the glasses will not be clouded by exhalation.

Based on FIG. 10, another embodiment of the mask will be described.
FIG. 10 is a cross-sectional view of a mask according to another embodiment, and corresponds to FIG. 3 of the above-described embodiment. Moreover, the front view of the mask of other embodiment is the same as that of FIG. 2, and is omitted. Further, the same parts as those in the above-described embodiment are given the same reference numerals, and detailed description thereof is omitted.

  The mask 101 of this other form has a configuration in which the mask body 110 is detachably engaged with the mask frame body 120. In the mask body 110, a thermoplastic synthetic resin is injected into a cavity corresponding to a peripheral portion of the filter member 10 and the vicinity of the peripheral portion, a polymerization portion, and a position near the polymerization portion, and a resin body 112 made of the filter member 10 and the thermoplastic synthetic resin. Are joined together. That is, the mask body 110 is formed in a three-dimensional shape (for example, an oblique cone shape or an approximately oblique cone shape). The peripheral portion forming cavity also includes a portion for forming an engaging portion for releasably engaging with a mask frame 129 described later, and the distal end side of the peripheral portion of the resin body 112. Is formed with an engaging portion 113. The mask body may be one in which a thermoplastic elastomer is injected and the filter member 10 and an elastomer body made of a thermoplastic elastomer are integrally joined.

  The mask frame 120 is obtained by injection-molding a thermoplastic elastomer in a cavity of a mask frame molding die (not shown). The mask frame body 120 is formed in an outer frame portion that is an outer frame of the mask 101 and a portion that is continuous with the outer frame portion and is bent toward the inner side of the three-dimensional shape, and contacts the wearer's face. A face contact elastomer portion 22 and an engaged portion 121 that is provided so as to face the engaging portion 113 of the mask body 110 and engage with the engaging portion 113 in a detachable manner are formed. In other words, the mask body 110 can be exchanged by engaging and disengaging the engagement portion 113 of the mask body 110 with the engaged portion 121 of the mask frame body 120. For example, the mask main body 115 composed of the mask body 110 and the mask frame body 120 has a form in which only the mask body 110 that has been used for a predetermined time and the mask body 110 that has become dirty can be replaced. Ear hooks (not shown) are provided at both ends of the mask frame 120.

  In this embodiment, the engaging portion is shown as an inclined convex portion and the engaged portion is shown as an inclined concave portion, but the engaging portion may be an inclined concave portion and the engaged portion may be an inclined convex portion. Further, the engaging portion may be an engaging hole portion or an engaging shaft portion, and the engaged portion may be an engaged shaft portion or an engaged hole portion. In other words, the engaging portion and the engaged portion may be configured so that the mask body and the mask frame body can be engaged and disengaged.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment. Needless to say, changes can be made without departing from the scope and spirit of the present invention. For example, the description has been made with the polymer elastomer portion formed on the mask body and the mask body on the minor axis side of the substantially oblique cone shape. However, as shown in FIG. 11, the mask 201 has a substantially oblique shape of the mask body and the mask body. A polymer elastomer portion 223 may be formed on the long diameter side of a conical shape or the like.

  In addition, as shown in FIG. 12, the mask 301 has a three-dimensional (oblique cone shape, substantially oblique cone shape) mask body and mask body, and one or a plurality (two in this embodiment) of rib portions 323 are radially provided. May be provided. In this way, the rigidity of the mask body and the mask body is improved. Further, the filter member may be formed by squeezing a nonwoven fabric by hot pressing or the like. In the case of this filter member, the three-dimensional shape is not limited to the oblique cone shape or the substantially oblique cone shape. For example, the three-dimensional shape may be such that the central part of the conical surface, the central part vicinity, etc. bulge outward.

  Further, the cut portion may be a side portion from a peripheral edge side to an intersection point, a side portion combining a straight line and a straight line having different angles, a side portion combining a straight line and a curved line, or the like. The shape of the cut portion and the shape of the peripheral portion of the filter material are appropriately selected according to the three-dimensional shape of the filter member.

  Furthermore, as shown in FIG. 13, the joint between the elastomer body made of thermoplastic elastomer and the filter member may be integrally joined to either surface of the filter member. For example, the peripheral elastomer part 21a may be inside the peripheral part of the filter member, and a joint part (see FIG. 13A) in which the polymerized elastomer part is joined, and the peripheral part is outside the peripheral part of the filter member. The joint part (refer FIG.13 (b)) to which the elastomer part 21b and the polymerization elastomer part are joined may be sufficient.

DESCRIPTION OF SYMBOLS 1, 101, 201, 301 ... Mask 10 ... Filter member 11 ... Filter material 11a ... Notch part 11b ... Peripheral part 11c ... Superposition | polymerization part 15, 115 ... Mask main body 20 ... Elastomer body 21 ... Peripheral elastomer part 22 ... Face contact elastomer Part 23 ... Polymerized elastomer part 30 ... Mold 31 ... Cavity 32 ... Cavity 50 ... Ear hook part 110 ... Mask body 120 ... Mask frame

Claims (7)

A mask manufacturing method comprising: a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof; and ear hooks provided on both sides of the mask body,
Cutting the filter material composed of one nonwoven fabric or a plurality of nonwoven fabrics into a predetermined shape having a cut portion; and
Superimposing both sides of the cut portion, assembling into a three-dimensional shape, temporarily fixing both side overlapping portions where both the sides overlap, and forming a filter member;
The filter member is inserted into the mold, the mold is clamped, the peripheral edge of the filter member is continuous with the peripheral edge, and is bent to the inner side of the three-dimensional shape. When wearing, a step of forming a cavity at a position corresponding to the face contact portion closely contacting the wearer's face and the both side overlapping portion;
A step of injecting a thermoplastic elastomer into the cavity of the mold to manufacture the mask body in which the filter member and the thermoplastic elastomer are integrally joined. Production method. A mask manufacturing method comprising: a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof; and ear hooks provided on both sides of the mask body,
Cutting the filter material composed of one nonwoven fabric or a plurality of nonwoven fabrics into a predetermined shape having a cut portion; and
Superimposing both sides of the cut portion, assembling into a three-dimensional shape, temporarily fixing both side overlapping portions where both the sides overlap, and forming a filter member;
The filter member is inserted into the mold, and the mold is clamped to correspond to the peripheral portion of the filter member, the engaging portion provided at the end of the peripheral portion, and the both side overlapping portion. Forming a cavity at a position to perform,
Injecting a thermoplastic synthetic resin or thermoplastic elastomer into the cavity of the mold, and producing a mask body in which the filter member and the thermoplastic synthetic resin or thermoplastic elastomer are integrally joined;
An outer frame part, a face continuous part that is continuous with the outer frame part, bent to the inside of the three-dimensional shape, and in close contact with the wearer's face, and the engagement part of the mask body are detachably engaged. A step of injecting a thermoplastic elastomer into a mold for forming a mask frame provided with an engaged portion to be manufactured, and manufacturing a mask frame;
And a step of engaging the mask body with the mask frame body to form the mask main body. A method of manufacturing a mask according to claim 1 or 2,
The filter material is of a substantially heart shape having a cut portion,
The method of manufacturing a mask, wherein the three-dimensional shape is an oblique cone shape or an approximately oblique cone shape. A mask comprising a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof, and ear hooks provided on both sides of the mask body,
The mask body is
A filter material made of a single nonwoven fabric or a plurality of nonwoven fabrics, a filter member formed into a three-dimensional shape,
When the wearer wears a mask, formed from a thermoplastic elastomer, continuously joined to the peripheral elastomer part integrally joined to the peripheral part of the filter member, and continuous to the peripheral elastomer part, and bent to the inside of the three-dimensional shape A mask comprising: an elastomer body having a face contact elastomer portion in close contact with a wearer's face. A mask comprising a mask body that surrounds and covers a wearer's nose, mouth, and the periphery thereof, and ear hooks provided on both sides of the mask body,
The mask body is
A filter material made of a single nonwoven fabric or a plurality of laminated nonwoven fabrics, a filter member formed in a three-dimensional shape, a peripheral elastomer portion integrally joined to the peripheral portion of the filter member, and an end portion of the peripheral elastomer portion And a mask body formed of a thermoplastic synthetic resin or a thermoplastic elastomer,
It is formed of a thermoplastic elastomer and constitutes a frame part of the mask body, is continuous with the outer frame part and the outer frame part, is bent to the inner side of the three-dimensional shape, and the wearer wears the mask A mask frame body having a face contact elastomer portion that is in close contact with the face of the wearer and an engaged portion that removably engages the engagement portion of the mask body. Characteristic mask. The mask according to claim 4 or 5,
The filter member is formed by integrally bonding a substantially heart-shaped filter material having a cut portion by superimposing both sides of the cut portion and injecting a thermoplastic elastomer into the overlapped side overlapping portions. And
The three-dimensional shape is an oblique cone shape or a substantially oblique cone shape. The mask according to claim 6, wherein
The mask main body is characterized in that one or a plurality of ribs are radially formed on the filter member at an angular position different from that of the overlapping portions on both sides.

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