KR101210662B1 - Adhesion type and safty cover type gas-mask and menufacturing method for safty cover of gas-mask - Google Patents

Abstract

PURPOSE: A detachable hood type gas mask and a manufacturing method thereof are provided to protect a wearer from poisonous substances. CONSTITUTION: A detachable hood type gas mask comprises a hood(1), a seam tape, a shield, a nose mask(3), a septic tank(2), an exhaust valve, and a fastening band(5). The hood comprises fiber textile and a chemical resistant film which is attached to the fiber textile and blocks poisonous substances. The seam tape seals the overlapped edge of complex textile. The shield is horizontally fixed to the lower inside of the hood. The nose mask is prepared inside the hood and covers the oral cavity and nasal cavity of a wearer. The septic tank provides clean air into the hood.

Description

Adhesive hooded gas mask and method for manufacturing gas mask for same {ADHESION TYPE AND SAFTY COVER TYPE GAS-MASK AND MENUFACTURING METHOD FOR SAFTY COVER OF GAS-MASK}

The present invention relates to an adhesive hood respirator which can block the inflow of toxic substances in a CBR warfare (chemical, bio-logical and radiological warfare) situation by an adhesive hood and a method for manufacturing a gas mask for the gas mask for the same. .

In general, gas masks are to be worn on the face to prevent toxic substances such as toxic chemical gases generated in emergency situations such as chemical warfare, biological warfare, or radioactive attack from entering the human body. These respirators protect the wearer and allow the wearer to escape from the contaminated area to the safe area.

Here, the gas mask described above may be manufactured with a rubber mask, but registered Patent No. 10-1070194 patented in the Republic of Korea by the applicant of the present invention (name: adhesive hood gas mask, hereinafter referred to as 'prior art 1') And registration No. 10-1072529 (name: adhesive hood type gas mask and a method for manufacturing the gas mask for the same, hereinafter referred to as 'prior art 2') may be manufactured in the form of a hood.

Prior art 1, as shown in Figure 1, the edge of the first fabric (10a) and the second fabric (10b) overlaps the outer surface is bonded by the ventilating tape (S), the adhesive hood not sewn (1) ) Is manufactured. The hood 1 is equipped with a lens L and a nose mask 3 as shown in Fig. 1, and a tightening strap 5 and a purifier 2 are mounted. The gas mask according to the prior art 1 blocks chemical toxic substances by the material characteristics of the hood as described below. However, since the hood 1 is composed of a first fabric 10a and a second fabric 10b as described above, it may cause inconvenience in processing, and by the plurality of fabrics 10a and 10b, Since adhesive sites occur in many places, airtightness may be reduced.

The prior art 2 is an improvement of the above-described prior art 1, and the hood 1 is composed of one fabric 10 partially cut as shown in FIG. As shown in FIG. 2, the hood 1 has a cutout portion of the fabric 10 sealed with a seam sealing tape S at an outer surface forming an outer surface thereof. Therefore, in the prior art 2, since the fabric 10 is composed of one, the convenience in processing is improved, and since the adhesive portion can be reduced than the prior art 1, the airtightness can be improved.

Meanwhile, in the prior arts 1 and 2, the fibrous fabric 1a forming the inner surface of the hood is attached to at least one chemical resistant film 1b, 1c forming the outer surface of the hood, as shown in FIG. 3. Accordingly, the prior arts can prevent the chemical poisonous substances from penetrating into the hood by the chemical resistant films 1b and 1c forming the outer surface of the hood.

However, these conventional techniques constitute the inner surface (inner side) of the hood 1 as the fabric material 1a is shown, so even if the textile fabric 1a is dyed with a national defense color or a speckle pattern, the dyeing hood ( As it is shielded by the chemical-resistant films (1b) and (1c) forming the outer surface of 1), dyeing cannot be clearly expressed to the outside.

In addition, since the chemical-resistant films 1b and 1c constitute the outer surface of the hood 1, the chemical-resistant films 1b and 1c may reflect the light and expose the wearer during the exhibition situation or during the night mission.

In addition, since the chemical film (1b) (1c) constitutes the outer surface of the hood (1), when performing the field mission may be damaged by foreign matters of the chemical film (1b) (1c) outside, thereby chemical Toxic substances may penetrate inside the hood.

KR 10-1070194 KR 10-1072529

The present invention was created in order to solve the above-mentioned problems, it is possible to protect the wearer from chemically toxic substances by ventricularly forming a hood through the adhesion without sewing the rim of the fabric, in particular a hood made of The chemical film is attached to the fiber fabric and the fiber fabric constitutes the outer surface of the hood, and the chemical film constitutes the inner surface of the hood so that the dyed color or pattern can be expressed on the outside of the hood as it is dyed. It is an object of the present invention to provide a method for manufacturing an adhesive hood type gas mask for protecting the chemical film from the outside by a fiber fabric and a gas mask for the gas mask for the same.

In addition, an adhesive hood-type gas mask and a gas mask for the same, wherein the edge of the composite fabric constituting the hood by the attachment of the fiber fabric and the chemical film is sealed in multiple stages by the plastic deformation and plastic deformation of the chemical film. The purpose is to provide a method of manufacturing a dragon hood.

In addition, to provide an adhesive hood-type gas mask and a method for manufacturing a gas mask for the gas mask that is installed horizontally at the lower end of the hood to easily install a thin film sealing the neck around the head while passing through the wearer's head. That is the purpose.

In addition, an object of the present invention is to provide an adhesive hood gas mask for preventing the end of the fabric fiber fabric forming the outer surface of the hood and a method for manufacturing a gas mask for the gas mask for the same.

The adhesive hood type gas mask according to the present invention for achieving the above object is composed of a fiber fabric made of a fiber material and a composite fabric made of a chemical resistant film attached to the fiber fabric to block chemical toxic substances. And the chemical film is formed on the outer surface and the inner surface, respectively, and the edges of the composite fabric are attached in an overlapping state, and are formed in the shape of a bag. Hood mounted on the head and covered with the head to shield the head; A seam tape fused along the overlapped edge of the composite fabric in the hood to seal the overlapped edge of the composite fabric in the hood; It is made of a rubber membrane having a head insertion hole is inserted into the center of the lower end of the hood while the rim is horizontally connected to the inside of the lower end of the hood is fixed in a horizontal state inside the lower end of the hood, the head is inserted into the center A barrier membrane which elastically seals the circumference of the neck through the contraction of the head insertion hole and blocks chemicals or toxic substances from penetrating into the hood; A nose mask provided inside the hood to cover the mouth and nasal cavity of the wearer and having a boss inserted into the coupling hole of the hood; One side is fixed to the boss of the nose mask to provide the purified air to the inside of the hood; A fastener integrally fixing the purifying container to the boss of the nose mask and the coupling hole of the hood; An exhaust valve for exhausting the internal air of the hood to the outside of the hood; Fastening straps which wrap the rear of the hood while both ends are fixed to the front of the hood, and the rear end of the hood in close contact with the back of the wearer as both ends are pulled; And a locker for locking or unlocking both ends of the tension strap.

The fiber fabric and the chemical film are bonded with an adhesive to form the composite fabric consisting of a single sheet, the composite fabric is characterized in that the fiber fabric forms an outer surface to protect the chemical film from the outside, The fiber fabric forming the outer surface of the hood is characterized in that the stain is printed, the overlapping edge of the composite fabric is characterized in that the integrally attached by ultrasonic welding, the seam tape is the hood It is characterized in that it is attached to the overlapping edge of the composite fabric by thermal fusion in the interior.

The present invention is formed of an annular thin film made of the same material as the hood, the border of the barrier film is integrally attached to the inner border, attached to the inner side of the lower end of the hood in a state where the outer border is bent the rubber film It further comprises a connection film for connecting the blocking film made of a sealing state inside the lower end of the hood.

The hood is characterized in that the end of the lower end portion is fixed to the barrier film is in close contact with the chemical film to form an inner surface is folded.

The fastener has, for example, a vent hole for venting external air into the hood, and a thread is formed at an inner circumference of the vent hole so that the purifying tank is screwed, and a locking plate that is caught inside the boss of the nose mask is formed at the other end. A fastening tube protruding from an outer circumference and inserted into a boss of the nose mask; An intake valve provided in the vent hole of the fastening pipe to prevent the internal air of the hood from flowing backward through the vent hole; The rear border formed on the rear side of the hood is fixed to the boss rim of the nose mask and the rim of the coupling hole formed in the hood in a pressurized state, so that the locking plate of the fastening tube faces the locking plate. Sealing cap is inserted into one end of the fastening tube by interference fit; And coupling means for integrally coupling the sealing cap fitted to the coupling pipe, and the coupling means includes, for example, a wedge-shaped coupling protrusion formed at an outer circumference of one end of the coupling pipe. And forming a catching jaw caught by the fastening protrusion at the front end of the sealing cap so that the catching jaw is caught by the rear of the fastening protrusion and maintained in the fastening state by the sealing cap fitted to the fastening tube. do.

The exhaust valve, for example, is installed on the side of the hood or the blocking film in a state of being communicatively connected to the nose mask to exhaust the internal air of the hood to the outside of the hood.

The locker may include, for example, a connecting ring integrally formed with the fastener; A connecting piece having one end connected to the connecting ring in a state capable of single-axis rotation and having a spike provided at the other end thereof; One side is fixed to the connecting piece in a state of being fitted to the connecting piece is fixed to the connecting piece, the tightening strap is inserted into the inner side to be bent to the other side, as the connecting piece is uniaxially rotated by the tension of the tightening strap generated while pulling the tightening strap A gripping ring for holding the tightening strap together with the connecting piece by closely attaching the tightening strap wound on the other side while the other side is uniaxially rotated about one side; And fixing means for fixing one side of the gripping ring to the connecting piece to enable one-axis rotation. The fixing means may be configured to, for example, be inclined to both sides of one side of the connecting piece on which one side of the gripping ring is located. A jaw and a straight jaw formed at right angles with the inclined jaw are formed so that one side of the gripping ring inserted between the inclined jaw and the straight jaw through the inclined jaw by an interference fit is caught by the inclined jaw and the straight jaw of the connecting piece. It is characterized in that it is configured to be constrained to flow on one side.

On the other hand, the manufacturing method of the gas mask for the gas mask according to the present invention, by attaching a chemical film that blocks the chemical toxic substances on one side of the fiber fabric made of a fiber material to produce a composite fabric; A step of fabricating a hood fabric by cutting the composite fabric to form a straight cut portion at the center of the upper portion, forming a triangular shaped triangular portion at both sides of the cut portion, and forming a lens hole and a coupling hole at the front; A hood main body manufacturing step of attaching the edges of the cutout and the triangular part of the hood fabric in an overlapping state to produce a hood body having an open bottom pocket; A lens attaching step of sealingly attaching the see-through lens to the lens hole of the hood body; A first turnover step of inverting the hood body to expose the inner surface of the hood body to the outside; A blocking film fixing step of fixing a blocking film made of a rubber film having a head insertion hole formed on an inner surface of the exposed hood body in a horizontal state; And a second turn-over step of inverting the hood body to which the blocking film is fixed is returned to its original state.

The composite fabrication step, for example, an adhesive coating step of applying an adhesive in the form of dots or mesh on one side of the fiber fabric or one side of the chemical film; And attaching the fiber fabric and the chemical film to the adhesive by pressurizing the fiber fabric and the chemical film in close contact with each other.

The hood body manufacturing step may include, for example, an edge overlapping step of overlapping edges of the cutout and the triangular part of the hood fabric; And an ultrasonic fusion step of fusion welding the superimposed edges with ultrasonic waves.

The blocking film fixing step may include, for example, a blocking film contacting step of inverting an edge of the blocking film formed of the rubber film to be in close contact with the inner surface of the hood body exposed. And a blocking film attaching step of attaching the edge of the blocking film to the exposed inner surface of the hood body by adhesive or heat fusion.

The blocking film fixing step may include, for example, a connecting film manufacturing step of manufacturing the connecting film formed by cutting the composite fabric into an annular thin film; An edge attachment step of attaching an edge of the barrier film made of the rubber film to an inner edge of the connection film; And a connection membrane attachment step of fixing the barrier membrane to the hood body through the connection membrane by attaching the outer edge of the connection membrane to which the barrier membrane is attached to the inner surface of the hood body exposed by flipping the outer edge thereof.

In the method for manufacturing a gas mask for the gas mask according to the present invention, when the hood body is inverted by the first turnover step, the overlapping edges of the hood body are taped by heat fusion with a seam sealing tape on the overlapping edges of the hood body. The sealing step of sealing with a tape; may further include.

As described above, the present invention can protect the wearer from chemically toxic substances by simultaneously forming a hood through stitching without sewing the rim of the fabric, and in particular, a chemical-resistant film on two fabrics made of fiber The attached fiber fabric constitutes the outer surface of the hood, and the chemical film constitutes the inner surface of the hood so that the dyed color or pattern can be expressed on the outside of the hood in a dyed state as well as by the fiber fabric. There is an effect that can protect the chemical film from the outside.

In addition, since the edge of the composite fabric constituting the hood is composed of one sheet by the attachment of the fiber fabric and the chemical resistant film, it is firstly sealed by ultrasonic fusion of the fiber fabric, and secondly by the heat fusion of the seam sealing tape. It also has the effect of almost completely blocking the influx of substances.

In addition, since the connection film and the blocking film is installed together at the lower end of the hood there is an effect that can be easily installed on the hood.

In addition, since the lower end of the hood is folded inward to be in close contact with the chemical film, there is also an effect that can prevent the fabric fibers from being loosened.

1 is a perspective view showing a hood-type gas mask according to the prior art;
Figure 2 is a perspective view of a hood-type gas mask according to another prior art;
3 is a longitudinal sectional view of the hood respirator shown in FIG. 2;
4 is a perspective view of an adhesive hood gas mask according to a first embodiment of the present invention;
5 is a longitudinal side cross-sectional view of the adhesive hood respirator shown in FIG. 4;
6 is a longitudinal rear cross-sectional view of the adhesive hood respirator shown in FIG. 4;
FIG. 7 is an exploded perspective view of the exhaust valve shown in FIG. 5; FIG.
8 is a longitudinal sectional view showing a state of use of the exhaust valve shown in FIG.
9 is a perspective view of an intake valve applied to the gas mask shown in FIG. 4;
FIG. 10 is a side sectional view showing a state of use of the intake valve shown in FIG. 9; FIG.
FIG. 11 is an exploded perspective view of a fastener applied to the gas mask shown in FIG. 4; FIG.
12 is an exploded longitudinal sectional view of the fastener shown in FIG. 11;
FIG. 13 is a longitudinal cross-sectional view showing an engaged state of the fastener shown in FIG. 11; FIG.
14 is a perspective view of the locker shown in FIG. 4;
FIG. 15 is a plan view showing a state of use of the locker shown in FIG. 14; FIG.
16 is a perspective view showing a coupling process of the ring member shown in FIG.
FIG. 17 is a perspective view of another embodiment of the rocker shown in FIG. 14; FIG.
FIG. 18 is a side sectional view of the adhesive hood gas mask according to the second embodiment to which the locker shown in FIG. 17 is applied; FIG.
19 is a partially enlarged longitudinal sectional view showing a state of use of the metal band shown in FIG. 18;
20 is a conceptual diagram schematically illustrating a manufacturing process of the hood body of the gas mask shown in FIG. 4;
21 is a flowchart illustrating a manufacturing process of the gas mask shown in FIG. 4;
FIG. 22 is a longitudinal sectional view showing the first turnover step shown in FIG. 21; FIG.
23 is a perspective view of an adhesive hood gas mask according to a third embodiment of the present invention;
24 is a side view of the gas mask shown in FIG. 23; And
25 is a longitudinal sectional view of the adhesive hood gas mask according to the fourth embodiment of the present invention.

Hereinafter, with reference to the accompanying Figures 4 to 25 describe the adhesive hood type gas mask according to an embodiment of the present invention and a method for manufacturing the gas mask for this.

Adhesive hood respirator according to the present invention is a hood (1), seam tape (S), barrier film (10), nose mask (3), purifier (2), fasteners, exhaust as shown in FIG. It comprises a valve 4, a string 5 and a locker 30.

Hood (1) is to protect the wearer's head and shoulders as shown in Figures 4 and 5, various forms or structures can be proposed, but as a specific example, for example, as shown in Figure 5 It consists of a composite fabric consisting of the original film (1a) and the chemical resistant film (1b) to block the chemical toxic substances.

Such a hood 1 is formed in a pocket shape by the seam tape (S) to be described later as the inner surface of the overlapping portion overlaps the fabric as shown in Figure 4, as shown in Figure 5 The edge of the see-through lens L is mounted in the sealing state to the lens hole L1 formed in the front, and the coupling hole 1d to which the purifying container 2 and the nose mask 3 to be described later are mounted is penetrated.

Here, as the fabric constituting the hood 1 is enlarged in FIG. 5, as the fiber fabric 1a and the chemical resistant film 1b are adhered by an adhesive 1c applied in a dot or mesh form, It is composed of intestinal composite fabric, and the fiber fabric 1a forms the outer surface to protect the chemical resistant film 1b constituting the inner surface from the outside.

Fiber fabric (1a) is preferably made of a woven fabric material formed of a thin film, as shown in Figure 4 may be printed with a mottled pattern.

In addition, the chemical resistant film 1b is composed of a plurality of layers including, for example, a PE layer and a PET layer, as shown in FIG. 6, and each layer may block various chemical substances, and a PTFE layer may be further provided. . In this case, the PTFE layer may be provided in a state in which activated carbon powder or granules or granules that filter chemical toxic substances are attached.

Alternatively, the chemical resistant film 1b may be configured as a single layer while being composed of the above-described PE layer or PET layer as shown in FIG. 5.

This composite fabric is composed of one sheet as described above overlaps the border to form a hood (1). That is, the composite fabric is made of a thin film material formed with the above-described lens hole (L1) and the coupling hole (1d) to the front side as shown in Figure 20 (a) cut in a straight line in the center of the upper end FA1 is formed, and triangular portions FA2 cut into triangular shapes are formed on both sides of the cutout FA1.

In addition, when the composite fabric is processed into a hood (1), as shown in Figure 20 (a) is closed in the direction of the arrow to form a cylindrical shape, while the edges of the triangular portion (FA2) is fused in an overlapping state with each other As shown in (b) of FIG. 20, the cross-sealing portion Sa is formed, and the edges of the cutouts FA1 are fused to each other in an overlapping state, and perpendicularly perpendicular to the cross-sealing portion Sa in the transverse direction. The vertical seam sealing portion Sb is formed. Then, the transverse seam sealing portion Sa and the vertical seam sealing portion Sb are ventilated by the seam tape S. FIG. Thus, the fabric can be processed into a hood 1 without a sewing process.

At this time, as shown in (c) of FIG. 20, the composite fabric overlaps the above-described fiber fabric 1a in a state in which they face and are integrally fixed by ultrasonic fusion. Form. Here, since the above-described fiber fabric 1a is made of chemical fibers, the overlapping portion in the facing state is melted by ultrasonic fusion to form the seam sealing portion Sb (Sa) in a sealing state.

The seam tape S seals the seam sealing portion Sb (Sa) while being thermally fused to the aforementioned chemical film 1b inside the hood 1 as shown in FIG. 20 (d).

Thus, the hood (1) is made of a single composite fabric consisting of only one, so the manufacturing process and fabric processing is very convenient. In addition, the hood 1 is easily formed in a bag shape because the line of the seam tape S is formed in the transverse direction at the top, as shown in FIG. 20 (b), and the back of the seam tape S is Lines are formed in one line, improving aesthetics. In addition, the seam sealing portion (Sa) (Sb) is firmly sealed as it is double-sealed by the seam tape (S) while being sealed by the ultrasonic welding of the overlapped fiber fabric (1a).

On the other hand, the above-mentioned perspective lens (L) is fixed to the outer edge of the lens hole (L1) formed on the front of the hood 1, as shown in Figure 5 and 6 by being bonded or sealed to the lens hole (L1) After sewing and being fixed), it may be ventilated by a seam tape (S).

On the other hand, the hood 1 is attached to the above-mentioned chemical film (1b) in close contact with the folded portion as the end portion of the lower end is sewn or glued inwardly folded as shown in the lower left of Figure 5 Can be. Alternatively, the hood 1 may be attached in close contact with the chemical film 1b by the fused portion of the lower end by ultrasonic welding.

The barrier film 10 is fixed to the inside of the hood (1) in a sealed state is inserted into the head, and to prevent the ingress of toxic gas or chemical gas inside the hood (1) by elastically sealing the wearer's neck. 5, it may be configured as a tympanic membrane 11 having a head insertion hole 12 in the center. As shown in FIG. 4, the rubber membrane 11 is fixed to the inside of the hood 1 by heat fusion or bonding to shield the neck of the wearer.

Meanwhile, the blocking film 10 may be connected to the inside of the hood 1 by a connecting film 13 in a sealed state as shown in an enlarged view at the bottom of FIG. 5.

The connecting film 13 may be formed of the same material as the hood 1, and is formed of an annular thin film as shown in FIG. 5 to fix the inner border 13a along the outer circumference of the rubber film 11. Then, the outer rim 13b is fixed integrally along the inner circumferential surface of the hood 1 in a bent state. That is, in the connecting film 13, the outer edge 13b is directly fixed to the inner circumferential surface of the hood 1. Accordingly, the connection film 13 is fixed to the inner bottom of the hood 1 as integrally and firmly fixed to the rubber film 11 as shown in FIG.

In this connection layer 13, the inner edge 13a may be fixed to the rubber membrane 11 through thermal fusion or bonding, and the outer edge 13b may be integrated inside the lower end of the hood 1 by ultrasonic welding. May be attached as

On the other hand, the barrier film 10 may be wrinkled as the outer border 13b is bent when the outer border 13b is attached to the inner surface of the hood 1. When the barrier film 10 has wrinkles on the outer edge 13b, chemical or toxic gases may be introduced into the hood 1 through the wrinkles. Therefore, the blocking film 10 may further comprise a wrinkle preventing means.

The anti-wrinkle means varies the outer diameter of the connecting film 13 adhered along the inner circumferential surface of the hood 1 to prevent wrinkles of the connecting film 13. Such anti-wrinkle means is formed on the outer edge 13b as the outer edge 13b of the connecting film 13 is cut, for example, as shown in FIG. 6 while overlapping or spaced apart a portion of the outer edge 13b. It can be configured as an incision 15 to reduce or expand the outer diameter of the outer edge (13b). Therefore, the barrier film 10 does not cause wrinkles because the outer diameter R is variable while the outer edge 13b overlaps or spaces through the anti-wrinkle means during adhesion.

The nose mask 3 is a member covering the wearer's mouth and nasal cavity and is provided inside the hood 1 as shown in FIGS. 4 and 5, and has a hollow boss 3d as shown in FIG. 11. Is provided and inserted into the coupling hole (1d) of the hood (1).

The fastener is for ventilating the purifying container (2) to be described later to the hood (1), various forms or structures can be proposed, but as a specific example, for example, as shown in Figure 11, the coupling hole of the hood (1) It is integrally fixed to (1d) and has a vent 21d for venting outside air into the hood 1, and the internal air of the hood 1 is flowed back to the outside through the vent 21d The intake valve 22 which prevents it from being provided is provided in the ventilation hole 21d.

Such a fastener may include a fastening tube 21, a sealing cap 23, and a coupling means as shown in FIGS. 11 and 13.

12 and 13, the fastening tube 21 has a screw thread formed on its inner circumference such that the purifying container 2 is screwed together, and a thin plate-shaped stopper 21a on which an edge of the intake valve 22 is fixed. Protrudingly formed on the inner circumference, the engaging plate 21b which is engaged on the inside of the boss 3d formed on the nose mask 3 protrudes on the outer circumference of the other end and is inserted into the boss 3d of the nose mask 3.

As shown in FIG. 13, the sealing cap 23 is in a state where the edge of the boss 3d of the nose mask 3 to which the locking plate 21b is caught and the edge of the coupling hole 1d formed in the hood 1 are pressed. 12, the rear border formed on the rear surface is inserted into the end of the fastening tube 21 from the outside of the hood 1 in a state of facing the locking plate 21b so as to be fixed to the locking plate 21b. Here, the sealing cap 23 can be fastened by coupling the sealing cap 23 to the fastening pipe 21 by force fitting, so that the fastening pipe 21 and the sealing cap 23 can be fastened to the assembly type.

Such a sealing cap 23 is formed on the rear edge of the rear end as shown in Figure 13, for example, forming a pressing projection 23f having a thickness thinner than other portions, the pressing projection 23f is the boss of the nose mask (3) (3d) It can be configured to reinforce the airtight state of the boss (3d) while fixing the wedge (edge) on the edge. Therefore, the sealing cap 23 is because the pressing protrusion 23f formed on the edge presses the nose mask 3, the fastening state of the sealing cap 23 can be maintained firmly by the elasticity of the nose mask 3. In addition, the sealed state can be increased to prevent the penetration of chemical gases.

Coupling means is a means for integrally coupling the sealing cap 23 to the fastening tube 21, various forms or structures can be proposed as a specific example, for example, as shown in FIG. A wedge-shaped fastening protrusion 21c is formed at one end of the outer periphery of 21, and a locking jaw 23c that is caught by the fastening protrusion 21c is formed at the front end of the sealing cap 23, as shown in FIG. As described above, the locking jaw 23c may be caught by the rear end of the fastening protrusion 21c by the sealing cap 23 fitted to the fastening tube 21 to maintain the fastening state.

As shown in FIGS. 12 and 13, the fastening protrusion 21c forms an outer inclined surface 21e that opens toward the rear of the fastening tube 21 toward the rear, and the inner inclined surface corresponding to the inclination of the outer inclined surface 21e. 23e is extended to the locking step 23c of the sealing cap 23, the inner inclined surface 23e of the sealing cap 23 is slid along the outer inclined surface 21e while the sealing cap 23 is fastening pipe ( 21) can be configured to fit at one end.

The fastener as described above is composed of the fastening pipe 21 and the sealing cap 23 can be easily assembled and mounted on the hood (1) and the nose mask (3), thereby reducing the manufacturing time of the gas mask, fastening pipe When the 21 or the sealing cap 23 is broken, the fastening pipe 21 and the sealing cap 23 can be separated, so that the fastening pipe 21 or the sealing cap 23 can be easily replaced. In addition, the fastener can be detachably fixed to the purse (2) to the hood (1) because the purifier (2) is detachably coupled as will be described later.

Intake valve 22 is to prevent the internal air of the hood (1) described above to flow back to the outside may be provided in a variety of forms or structures, but as an example as shown in Figure 9 and 10 And a diaphragm 22f.

As shown in FIGS. 9 and 10, the intake pipe 22a is hollow, and a support 22c is formed across the inner circumference of the hollow, and the protrusion 22d is disposed along the hollow direction in the support 22c. Protrudingly formed, an annular fixing groove 22e is formed along the outer circumference.

9 and 10, the diaphragm 22f is formed of an elastic film of a disc, and the center of the diaphragm 22f is integrally fixed to the end of the protrusion 22d by adhesive, heat fusion, or interference fitting. Open and close the hollow. Such a diaphragm 22f is bent outwardly while being bent outwardly about the projection 22d as shown in FIGS. 10 and 13 when air is supplied from the septic tank 2 by inhalation (suction) of the wearer. After opening the end of 22a) to guide the air to be sucked into the inside of the hood 1, when the air supply is stopped in the septic tank 2 by the wearer's exhalation (exhaust), the air inlet pipe 22a is returned to its original position. Close the ends to prevent backflow of air.

12 and 13, the purifying container 2 is detachably fixed to the vent hole 21d of the fastener, and purifies the chemical gas by a chemical agent or a filter agent provided therein. Provide purified air to the interior. Such, the purification container (2) is easy to remove and assemble because the thread is formed at one end can be detachably fixed in the vent hole (21d) of the fastener. In addition, since the purifying container 2 is separated from the vent hole 21d of the fastener, only the hood 1 can be easily used during training. That is, the purification container 2 can be detachably fixed by the above-mentioned fastener.

The exhaust valve 4 is installed on the side of the hood 1 or the blocking film 10 in a state in which the exhaust valve 4 is communicatively connected to the nose mask 3 to exhaust the internal air of the hood 1 to the outside of the hood 1. 3 and 5, it may be fixed to the lower portion of the blocking film 10. The exhaust valve 4 may be proposed in various forms or structures, but as an example, as illustrated in FIGS. 7 and 8, the exhaust pipe 4a, the valve tube fastening means, the diaphragm 4c, and the diaphragm fastening are illustrated. Means and valve cap 4h.

As shown in FIGS. 7 and 8, the exhaust pipe 4a is formed in a tubular shape in which the inside is hollow, and is ventilated and fixed to the lower portion of the nose mask 3 in a state of passing through the blocking membrane 10. The exhaust pipe 4a has an inner locking jaw 4a-1 formed at the inner side of the lower end, an outer locking jaw 4a-2 formed at the outer side of the lower end, and a skirt 4a-3 is formed at the outer circumferential surface thereof. .

7 and 8, the valve tube fastening means is formed in the shape of a hollow tube inside and is compressed by the pressure by punching in the state inserted into the exhaust pipe 4a so that one end thereof is opened outward. At the same time as the upper end of the 4a) and presses the lower part of the nose mask 3, the other end is also compressed to open the rivet (4b) is caught on the inner locking jaw (4a-1) formed inside the lower end of the exhaust pipe (4a) Can be configured. When the rivet 4b presses the lower portion of the nose mask 3 while the upper end thereof is spread outward, the skirt 4a-3 formed on the outer circumferential surface of the exhaust pipe 4a has a nose mask 3 as shown in FIG. 8. The lower portion of the blocking film 10 overlapped with the lower portion of the) is supported. Therefore, the nose mask 3 and the blocking film 10 are sealed by the pressing of the rivet 4b and the skirt 4a-3 in a state where they overlap each other.

The diaphragm 4c may be configured with an elastic membrane to easily open and close the lower part of the exhaust pipe 4a by air pressure, for example, as shown in FIGS. 7 and 8.

The diaphragm fastening means may be composed of, for example, the engaging member 4f and the plurality of ribs 4g as shown in FIGS. 7 and 8. The catching member 4f is formed of a rubber ring and is forcibly fitted to the outer catching jaw 4a-2 formed at the bottom outer side of the exhaust pipe 4a as shown in FIG. 8 and thus the outer catching jaw 4a-2. ) As shown in FIG. 7, the plurality of ribs 4g have both ends at the outer circumferential surface of the locking member 4f and the outer circumferential surface of the diaphragm 4c so that the diaphragm 4c is spaced apart from the locking member 4f by a predetermined interval. Are integrally connected. The rib 4g is made of a rubber material and is easily stretchable. Therefore, the diaphragm 4c can be easily spaced apart from the lower part of the exhaust pipe 4a when air is exhausted through the exhaust pipe 4a in a state located below the exhaust pipe 4a, as shown in FIG. When a negative pressure is formed in the lower portion of the exhaust pipe 4a, the negative pressure may be in close contact with the lower portion of the exhaust pipe 4a to block the inflow of air.

As shown in FIGS. 7 and 8, the valve cap 4h is tightly fitted to the rim of the skirt 4a-3 to cover and protect the outside of the diaphragm 4c, and to the exhaust pipe 4a. A plurality of through holes 4h-1 are formed to guide the exhaust air to the other end and prevent inflow of foreign substances.

Here, since the exhaust valve 4 is fitted into the blocking film 10 in a ventilated state and is fixed to the nose mask 3, the exhaust valve 4 can not only exhaust the air inside the hood 1 to the outside but also the wearer's saliva to the outside. Can drain. In addition, since the exhaust valve 4 is installed under the blocking film 10 and is concealed inside the hood 1, the exhaust valve 4 does not interfere with the tightening string 5 or the locker 30 when tightening the tightening string 5 to be described later.

As shown in FIG. 4, both ends are fixed to the front of the hood 1 while surrounding the rear of the hood 1, and the rear part of the hood 1 closely adheres to the back of the wearer as both ends are pulled. For example, it may be composed of an elastic band.

The locker 30 is for locking or unlocking both ends of the string 5 as shown in FIG. 4, but various forms or structures may be proposed, but as a specific example, for example, as shown in FIGS. 14 and 15, It may be configured to include a connecting ring 31, the gripping ring 33, the connecting piece 35 and the fixing means.

The connecting ring 31 is integrally connected to the sealing cap 23 which is a fastener as shown in FIG. Such, the connecting ring 31 may be connected to the connecting piece 35 through the connecting string (32).

As shown in FIGS. 14 and 15, one end of the connection piece 35 is connected to the connection ring 31 in a state capable of uniaxial rotation, and a spike 39 is provided at the other end thereof. As shown in FIG. 14, the connecting piece 35 is formed with a connecting portion 34 having a through hole formed therein so that the other end of the connecting string 32 is inserted into and fixed to the connecting piece 35. Tip 36 is formed to release the pressure of the tension strap 5 with a finger.

14 and 15, the gripping ring 33 is fitted to the connecting piece 35 in a state where one side is fixed to the connecting piece 35 so as to allow uniaxial rotation, and the tightening strap 5 is inserted into the other side. Winding in the bent state, as the connecting piece 35 is uniaxially rotated by the tension force of the tightening string (5) generated while the drawstring (5) is pulled, while the other side is uniaxially rotated around the one side and the wound drawstring (5) wound on the other side The fastening string 5 is gripped together with the connecting piece 35 by bringing it into close contact with the spike 39 of the connecting piece 35. Such, the holding ring 33 may be provided with a tubular sleeve (33a) is inserted to facilitate the movement of the tightening strap (5) wound in the bent state on the other side as shown in FIG.

The fixing means is for fixing one side of the gripping ring 33 to the connecting piece 35 to enable one-axis rotation, and various forms or structures may be proposed, but as a specific example, the gripping ring 33 is illustrated in FIG. 15. Inclined jaw 37 and a straight jaw 37a perpendicular to the inclined jaw 37 are formed on both sides of one side of the connecting piece 35 on which one side of the coupling piece 35 is located, and the inclined jaw 37 is formed by interference fit. One side of the gripping ring 33 inserted between the inclined jaw 37 and the straight jaw 37a is caught by the inclined jaw 37 and the straight jaw 37a so as to be movable on one side of the connecting piece 35. It can be configured to.

The locker 30 as described above is generated while the tightening string 5 is pulled in a state in which the gripping ring 33 inserted together with the tightening string 5 is inserted into the connecting piece 35 as shown in FIG. As the connecting piece 35 is uniaxially rotated by the tensioning force of the tightening strap 5, the spike 39 of the connecting piece 35 presses the tightening strap 5 to the gripping ring 33, so that the tightening strap 5 only uses the tension of the tightening strap 5. (5) can be fixed by pressing.

In addition, the locker 30 is a spike 39 is spaced apart from the gripping ring 33 as the connecting piece 35 is uniaxially rotated when the tip 36 is pushed outward with a finger as shown in FIG. 15 (b). The pressure is released so that the tension strap 5 can be released.

On the other hand, the hood 1 may be provided with a ring member (80). Ring member 80 is provided on the outside of the hood (1) as shown in Figure 5, to prevent the drawstring (5) from flowing down from the hood, for example, as shown in Figure 16 (c) It may be configured to include a string (S1) and the seam tape (S). String ring (S1) forms a ring shape as both ends are bent and fixed to the surface of the hood (1) as shown in Figure 16 (d). Such, the string loop (S1) may be configured in the same way as the fabric of the hood (1).

The seam tape S seals the sewing portion of the string ring S1 while being fixed by fusion or adhesion to the aforementioned chemical film 1b inside the hood 1 as shown in FIG. 16 (d). . Therefore, the ring member 80 seals the sewing portion of the string ring S1 through the seam tape S while supporting the tightening string 5 through the string ring S1.

On the other hand, the above-described exhaust valve 4, fasteners and purifier 2 may be configured differently than described above.

The exhaust valve 4 may be fixed to the side of the hood 1, for example, in a state in which it is communicatively connected to the nose mask 3 as shown in FIG. 18. This exhaust valve 4 is configured in the same manner as shown in Figs. 7 and 8, it can be ventilated fixed to the nose mask (3) through the hood (1).

The fastener is, for example, a metal band 20 integrally fixing the purifying container 2 to the coupling hole 1d of the hood 1 and the boss 3d of the nose mask 3 as shown in FIGS. 17 to 19. It can be composed of). Since the metal band 20 is fixed in a state surrounding the edges of the coupling hole 1d and the boss 3d, the coupling state can be maintained firmly.

At this time, the metal band 20 is bent in a state where the connecting string 32 is caught as shown in FIG.

For example, the purifying container 2 may include a purifying container case 2a, a filter 2b, and a purifying member 2c, as shown in FIG. Purification case 2a has through-holes at both ends, and has a space therein, and may be manufactured including metal or modified PPO resin (MPPO: Modifide Polyphenylene Oxide) and glass fiber to maintain flame resistance and high strength. As shown in FIG. 18, the protruding cylindrical fitting portion, which is inserted into the boss 3d of the nose mask 3, is eccentrically formed on the upper side of the main body so that the main body does not cover the watch. The filter 2b is provided at one side of the clarification case 2a to filter toxic gas. The purifying member 2c is composed of a chemical agent or a filtering agent, and is provided on the other side of the purifying container case 2a to purify the chemical gas.

Such, the purification container (2) is firmly coupled to the hood (1) by the metal band 20, it is not easily separated from the hood (1) by an external impact.

In addition, the septic tank 2 may purify the chemical gas generated during the NBC and filter the toxic gas generated in the fire, and thus may evacuate to a safe area while breathing in the NBC or the fire generated area.

Meanwhile, the aforementioned hood 1 may further include a veil 40 that shields the wearer's shoulders, chest, and back.

As shown in FIG. 24, the veil 40 may be formed at the lower end of the hood 1 to be integrally formed with the hood 1. In this case, the above-described blocking film 10 or the connection film 13 may be The edge is attached to the inner side of the bale 40 is fixed in a horizontal state.

On the contrary, the veil 40 may be made of the same material as the hood 1 and provided separately from the hood 1 and then attached to the lower end of the hood 1 as shown in FIG. 25. It can be sealed by a seam tape (S). In this case, the above-described blocking film 10 or the connecting film 13 may be fixed to the inner surface of the lower end of the hood 1 in a horizontal state or to the inner surface of the bale 40 as described above.

In addition, the bail 40 has a binding band 40a and a binding buckle 40b, as illustrated in FIGS. 23 and 24, to be detachably hooked to the underarm of the wearer to prevent flow.

The method of manufacturing the gas mask for the gas mask 1 for producing an adhesive hood gas mask comprising the above components will be described.

Gas mask manufacturing method, the composite fabrication step (S100), hood fabrication step (S200), hood body manufacturing step (S300), lens attachment step (S400), the first turn over, as shown in FIG. A step S500, a blocking film fixing step S600, and a second turnover step S700 are included.

Composite fabrication step (S100) is a step of manufacturing a composite fabric by attaching a chemical film (1b) to one side of the fiber fabric (1a), as shown in Figure 5, one side of the fiber fabric (1a) The adhesive 1c is applied to one side of the chemical resistant film 1b in a dot or mesh form (S110), and the fiber fabric 1a and the chemical resistant film 1b are pressed in close contact with each other through a pressing member such as a roller. By attaching with the adhesive (1c) (S120).

Hood fabrication step (S200) is to cut the composite fabric to form the incision (FA1) and the triangular portion (FA2) as shown in Figure 20 (a), the lens hole (L1) as shown in FIG. ) And the coupling hole 1d to form a hood fabric.

Hood body manufacturing step (S300) is a step of manufacturing the hood body in the form of a pocket, as shown in Figure 20 (c) overlaps the edges of the incision (FA1) and triangular portion (FA2) of the hood fabric ( S310), the superimposed rim by ultrasonic welding (S320) to produce a hood body.

Lens attaching step (S400) is a step of sealingly attaching the see-through lens (L) to the lens hole (L1) formed in front of the hood body, as shown in FIG. At this time, the transparent lens (L) is fixed by bonding to the outer edge of the lens hole (L1) is sealed, or the edge is sewn and fixed to the lens hole (L1), and then attached while being ventilated by the seam tape (S). Can be.

The first turn-over step (S500) is a step of inverting and fixing the hood body in an inverted state to expose the inner circumferential surface of the hood body to the outside, and as shown in FIG. Fix it in the state.

The blocking film attaching step (S600) is a step of attaching the blocking film 10 made of the rubber film 11 to the inner circumferential surface of the hood body exposed in an inverted state in a horizontal state. The edges of the blocking film 10 made of a close contact (S610), the edge of the blocking film 10 is integrally attached to the inner surface of the hood body by adhesive or heat fusion (S620).

On the other hand, when the blocking film attachment step (S600) is provided with a connecting film 13 on the blocking film 10, as shown in Figure 22, by cutting the above-mentioned composite fabric to produce a ring-shaped connecting film 13, the connection After attaching the outer edge of the rubber membrane 11 to the inner edge 13a of the membrane 13 by heat fusion or adhesion, the outer edge 13b of the connecting membrane 13 is attached to the inner surface of the hood body by adhesive or heat. Attach by welding or ultrasonic welding.

On the other hand, the blocking film attaching step (S600), unlike the above, the hood bonding step of applying an adhesive to the inner peripheral surface of the hood body fixed in an upside down state; A blocking film bonding step of applying an adhesive to one surface of the outer edge 13b of the blocking film 10; A barrier film adhesion step of bonding the outer edge 13b of the barrier film 10 to which the adhesive is applied to the inner circumferential surface of the hood body; And a heat pressurizing step of heating and pressurizing the outer edge 13b of the blocking film 10 adhered to the inner circumferential surface of the hood body.

In the second turn-over step S600, the inner circumferential surface of the hood body to which the blocking film 10 is attached is inverted again to complete the hood 1.

On the other hand, the manufacturing method of the gas mask for the gas mask according to the present invention may further include a ventilating step (S800) as shown in FIG. When the hood body is inverted by the first turnover step (S500) described above, the ventricle step (S800), as shown in (d) of FIG. 20, the ventricle in the superimposed edge Sa (Sb) of the hood body The ring tape S is tapered by heat fusion to seal the overlapping edge Sa (Sb).

In addition, the present invention may further include a wrinkle prevention step of preventing wrinkles from occurring at the edge of the barrier film 10 attached to the inner circumferential surface of the hood body, wherein the wrinkle prevention step is the barrier film attachment step (S600). 6), an incision forming step of radially forming the cutout portion 15 formed by cutting the outer border 13b of the blocking film 10 along the outer border 13b as shown in FIG. 6. ; And attaching the cutout portion 15 to the inner circumferential surface of the hood body inverted while reducing or expanding the outer diameter R of the outer rim 13b by overlapping or spaced apart the cutouts 15 from each other. It can be configured to include.

And, the hood (1) is attached to the above-mentioned tightening straps (5) through the step of attaching the straps. Fastening strap attaching step, as shown in Figure 16, so that the string hook (S1) is formed in a ring shape by attaching both ends of the string hook (S1) to the outer surface of the hood (1) by sewing, of the hood (1) Sealing the sewing part of the string ring (S1) by fusion or bonding the seam tape (S) on the inner side, and inserts the tightening string (5) inside the string ring (S1) attached to the hood (1) in a ring shape. .

The hood 1 manufactured through the above process is equipped with the above-described nose mask 3, the purifier 2 and the exhaust valve 4 as shown in FIG.

 The nose mask 3 has a boss 3d inserted into the coupling hole 1d inside the hood 1. In addition, the fastening tube 21 is inserted into the boss 3d on the inside of the nose mask 3, as shown in Figs. 12 and 13, the sealing cap 23 is forcibly fitted on the outside of the hood (1). It is coupled to the fastening tube (21). In addition, the intake valve 22 is fixed to the stopper 21a of the fastening pipe 21, the septic tank 2 is screwed to the fastening pipe 21, and the exhaust valve 4 passes through the blocking membrane 10. It is fixed to the nose mask 3 in the state which can be vented to the nose mask 3.

In addition, both ends of the tightening string 5 are respectively locked to the plurality of lockers 30, as shown in FIG.

Adhesive hooded gas mask according to the present invention manufactured by the above method can protect the wearer from chemically toxic substances by ventricling while forming a hood (1) through the adhesion without sewing the rim of the fabric, in particular The chemical film 1b is attached to the fiber fabric 1a of the hood 1 made of a fiber material so that the fiber fabric 1a constitutes the outer surface of the hood 1, and the chemical film 1b is a hood 1 It is possible not only to express the dyed color or pattern to the outside of the hood in a dyed state by constituting the inner surface of the cloth, but also to protect the chemical resistant film 1b from the outside by the fiber fabric 1a. have.

In addition, the edges FA1 and FA2 of the composite fabric, which are composed of one sheet by the attachment of the fiber fabric 1a and the chemical resistant film 1b and constitute the hood 1, are obtained by ultrasonic fusion of the fiber fabric 1a. Sealed by the car, the second sealing by the heat sealing of the seam sealing tape (S) also has the effect of almost completely blocking the inflow of chemical toxic substances.

In addition, since the connecting film 13 and the blocking film 10 are installed together at the lower end of the hood 1, there is also an effect that the blocking film 10 can be easily installed on the hood.

In addition, the lower end of the hood (1) is folded inward to be in close contact with the chemical film (1b) there is also an effect that can prevent the fabric fiber fabric (1a) to loosen.

In addition, as the veil 40 is provided on the lower portion of the hood 1, the chest, the back, and the shoulder of the wearer can be protected from the toxic material, and the veil 40 has the binding band 40a and the binding buckle 40b. Since it is detachably caught by the wearer's armpit, the flow of the veil 40 due to wind or external force can be prevented.

Furthermore, the outer edge R is changed while the outer edge 13b is adhered to the inner circumferential surface of the hood 1 through the partial incision of the outer edge 13b of the connecting membrane 13, so that the connecting membrane 13 and the hood 1 ) Does not wrinkle.

In addition, when attaching the blocking film 10 to the inner circumferential surface of the hood 1, the lower inner circumferential surface of the hood 1 is turned upside down so that the blocking film 10 is adhered and attached in a horizontally fixed state. It can be easily attached to the inner circumferential surface of the hood 1 while being attached.

In addition, in the process of adhering the barrier film 10 to the hood 1, the barrier film 10 may be pressurized while being heated, thereby increasing the adhesiveness of the barrier film 10.

In addition, since the exhaust valve 4 is installed in the lower portion of the blocking film 10, when the tension strap 5 is pulled out, the exhaust valve 4 does not interfere with the tension strap 5.

In addition, the purification container (2) can be coupled to the fastener by screwing, so that the separation and assembly is easy. In addition, since the purifying container 2 is separated from the vent hole 21d of the fastener, it can be used in combination with the hood 1 only during training. That is, the purification container 2 can be fixed to the hood 1 detachably by the above-mentioned fastener. Thus, the purifier 2 can be used only during training.

In addition, since the locker 30 is disposed on both sides of the purification container 2, it is possible to easily pull both ends of the tension string (5). In addition, the locker 30 allows the movement of the pulling string 5 to be pulled, and automatically locks the pulling string 5 by the tension force of the pulling string 5 after being pulled, and only by opening the tip 33 with a finger. Gently release the locking strap (5).

In addition, the ring member 80 prevents the insertion of the tightening straps 5 so that the tightening straps 5 are placed on the back of the hood 1 so that the hood 1 is easily pulled to the back of the head while the tightening straps 5 are pulled. It can be in close contact. In addition, the ring member 80 of the tightening string (5) as the sewing portion of the string hook (S1) sewn on the surface of the hood (1) is sealed by the seam tape (S) fused in the inside of the hood (1) The fixing portion can be sealed while guiding the tightening easily.

The embodiments described above are merely illustrative of preferred embodiments of the present invention, and thus the scope of application of the present invention is not limited to them, and appropriate modifications can be made within the scope of the same ideology. Therefore, since the shape and structure of each component shown in the embodiment of the present invention can be carried out by deformation, it is natural that the modification of the shape and structure belong to the appended claims of the present invention.

1: Hood 2: Purification Can 3: Nose Mask
4 exhaust valve 5 tightening string 10 blocking film
11 rubber film 13 connection film 13a outer edge
13b: inner border 20: metal band 30: rocker
40: veil

Claims (13)

The fiber fabric and the chemical film are formed on the outer surface and the inner surface, respectively, as the composite fabric is composed of a fiber fabric made of a fiber material and a chemical film attached to the fiber fabric to block chemical toxic substances. The hood is attached to the border of the overlapping state is formed in the form of a pocket, the lens hole and the coupling hole penetrates the front surface is mounted in the lens hole in a sealing state, the hood to cover the head to cover the head;
A seam tape fused along the overlapped edge of the composite fabric in the hood to seal the overlapped edge of the composite fabric in the hood;
It is made of a rubber membrane having a head insertion hole is inserted into the center of the lower end of the hood while the rim is horizontally connected to the inside of the lower end of the hood is fixed in a horizontal state inside the lower end of the hood, the head is inserted into the center A barrier membrane which elastically seals the circumference of the neck through the contraction of the head insertion hole and blocks chemicals or toxic substances from penetrating into the hood;
A nose mask provided inside the hood to cover the mouth and nasal cavity of the wearer and having a boss inserted into the coupling hole of the hood;
One side is fixed to the boss of the nose mask to provide the purified air to the inside of the hood;
A fastener integrally fixing the purifying container to the boss of the nose mask and the coupling hole of the hood;
An exhaust valve for exhausting the internal air of the hood to the outside of the hood;
Fastening straps which wrap the rear of the hood while both ends are fixed to the front of the hood, and the rear end of the hood in close contact with the back of the wearer as both ends are pulled; And
Adhesive hooded gas mask comprising a; locker for locking or unlocking both ends of the tension strap. The method of claim 1,
The fiber fabric and the chemical film are bonded with an adhesive to form the composite fabric consisting of a single sheet, the composite fabric is characterized in that the fiber fabric forms an outer surface to protect the chemical film from the outside,
The fiber fabric forming the outer surface of the hood is characterized in that the stain pattern is printed,
The overlapped edge of the composite fabric is characterized in that it is integrally attached by ultrasonic welding,
The seam tape is adhesive hood respirator, characterized in that attached to the overlapping edge of the composite fabric by heat fusion inside the hood. The method of claim 1,
The barrier film is formed of an annular thin film made of the same material as the hood, and the edge of the barrier film is integrally attached to the inner edge, and the barrier film is attached to the inside of the lower end of the hood with the outer edge bent. Adhesive hood type gas mask further comprises; connecting membrane connecting the inner side of the hood in a sealed state. The method of claim 1, wherein the hood,
Adhesive hood respirator, characterized in that the end of the lower end fixed to the barrier film is in close contact with the chemical film to form an inner surface is folded inward. The method of claim 1, wherein the fastener,
It has a vent hole for venting the outside air into the hood, the thread is formed on the inner circumference of the vent hole so that the purifying tank is screwed, the engaging plate which is caught inside the boss of the nose mask protrudes on the outer circumference of the other end A fastening tube inserted into the boss of the nose mask;
An intake valve provided in the vent hole of the fastening pipe to prevent the internal air of the hood from flowing backward through the vent hole;
The rear border formed on the rear side of the hood is fixed to the boss rim of the nose mask and the rim of the coupling hole formed in the hood in a pressurized state, so that the locking plate of the fastening tube faces the locking plate. Sealing cap is inserted into one end of the fastening tube by interference fit; And
And coupling means for integrally coupling the sealing cap fitted to the fastening pipe.
Wherein the coupling means comprises:
The locking jaw is formed by the sealing cap formed in the outer periphery of the fastening tube by forming a wedge-shaped fastening protrusion, and forming a locking jaw caught by the fastening protrusion at the front end of the sealing cap. Adhesive hood respirator, characterized in that configured to hold the fastening state to the rear of the fastening projection. The method of claim 1, wherein the exhaust valve,
Adhesive hood respirator, characterized in that installed in the side of the hood or the barrier film in a state connected to the nose mask to exhaust the internal air of the hood to the outside of the hood. The method of claim 1, wherein the locker,
A connecting ring integrally formed with the fastener;
A connecting piece having one end connected to the connecting ring in a state capable of single-axis rotation and having a spike provided at the other end thereof;
One side is fixed to the connecting piece in a state of being fitted to the connecting piece is fixed to the connecting piece, the tightening strap is inserted into the inner side to be bent to the other side, as the connecting piece is uniaxially rotated by the tension of the tightening strap generated while pulling the tightening strap A gripping ring for holding the tightening strap together with the connecting piece by closely attaching the tightening strap wound on the other side while the other side is uniaxially rotated about one side; And
And fixing means for fixing one side of the gripping ring to the connection piece to enable one-axis rotation.
Wherein,
An inclined jaw and a straight jaw perpendicular to the inclined jaw are formed on both sides of one side of the connecting piece where one side of the gripping ring is positioned, and is inserted between the inclined jaw and the straight jaw by the interference fit. Adhesive hood respirator, characterized in that the one side of the gripping ring is configured to hang on the inclined jaw and straight jaw to be constrained to one side of the connecting piece. A method of manufacturing a hood for a respirator,
A composite fabrication step of manufacturing a composite fabric by attaching a chemical resistant film that blocks chemical toxic substances to one side of the fabric fabric made of a fiber material;
A step of fabricating a hood fabric by cutting the composite fabric to form a straight cut portion at the center of the upper portion, forming a triangular shaped triangular portion at both sides of the cut portion, and forming a lens hole and a coupling hole at the front;
A hood main body manufacturing step of attaching the edges of the cutout and the triangular part of the hood fabric in an overlapping state to produce a hood body having an open bottom pocket;
A lens attaching step of sealingly attaching the see-through lens to the lens hole of the hood body;
A first turnover step of inverting the hood body to expose the inner surface of the hood body to the outside;
A blocking film fixing step of fixing a blocking film made of a rubber film having a head insertion hole formed on an inner surface of the exposed hood body in a horizontal state; And
And a second turnover step of inverting the hood body to which the barrier film is fixed is returned to its original state.
When the hood body is inverted by the first turn-over step, a seam sealing step of sealing the overlapped edges with a ventilating tape by taping the heat-sealing tape on the overlapping edges of the hood body. Method of manufacturing hood for gas masks. The method of claim 8, wherein the composite fabrication step,
Adhesive coating step of applying an adhesive in the form of dots or mesh on one side of the fiber fabric or one side of the chemical film; And
And attaching the fiber fabric and the chemical resistant film to the adhesive by pressing the fiber fabric and the chemical resistant film in close contact with each other. 2. According to claim 8, wherein the hood body manufacturing step,
An edge overlapping step of overlapping edges of the cutout and the triangular portion of the hood fabric; And
Method for manufacturing a gas mask for a gas mask comprising; ultrasonic welding step of fusion welding the superimposed edge. The method of claim 8, wherein the blocking film fixing step,
A barrier membrane adhesion step of inverting the edge of the barrier membrane made of the rubber membrane to be in close contact with the inner surface of the hood body exposed; And
A method for manufacturing a gas mask for a gas mask comprising; a barrier film attaching step of attaching the edge of the barrier film to the exposed inner surface of the hood body by adhesive or heat fusion. The method of claim 8, wherein the blocking film fixing step,
A connecting membrane manufacturing step of cutting the composite fabric to produce a connecting membrane formed of an annular thin film;
An edge attachment step of attaching an edge of the barrier film made of the rubber film to an inner edge of the connection film; And
Attaching to the inner surface of the hood body exposed by flipping the outer edge of the connection membrane is attached to the blocking film attached membrane fixing step of fixing the blocking film to the hood body through the connecting film; manufacturing method of the gas mask for a gas mask comprising a. . delete

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