JP6862050B2 - Exposure preventive agent application device and exposure preventive agent application method - Google Patents

Description

The present invention is, for example, when measuring the dose of the radiation source using a radiation measuring instruments scintillation type, or the like when working at close to the radiation source, used to protect workers from radiation for radiation exposure prophylaxis masks, to a radiation preventive agent coating apparatus and exposure prophylactic agent coating method.

In general, invisible radioactive substances invade the inside of the human body through the mouth, nose, etc., causing internal exposure. Therefore, in recent years, masks, cloths, and the like have been developed for adsorbing and crystallizing radioactive substances to make them visible, thereby preventing internal exposure.

By the way, the mask on which platinum nanoparticles are coated and supported on an N-95 filter with high dustproof performance strongly adsorbs high-concentration radioactive substances to crystallize and develop color, and the radioactive substances are stopped on the mask surface and exposed to the body. Can be prevented.

Further, conventionally, as shown in Patent Document 1, a disposable mask having excellent shape retention and breathability and having high fine particle trapping property has been proposed.

That is, this disposable mask has a multi-layer structure in which the mask main body portion includes at least an outer non-woven fabric layer and an inner non-woven fabric layer, and the non-woven fabric constituting the outer non-woven fabric layer has compression recesses of 3% or more and 15% or less in area ratio. The ventilation resistance value by the KES breathability tester is 0.01 kPa · s / m or more and 0.05 kPa · s / m, and the ventilation resistance value of the non-woven fabric constituting the inner non-woven fabric layer constitutes the outer non-woven fabric layer. It has a larger filtering effect than the non-woven fabric.

Further, in Patent Document 1, the outer non-woven fabric layer and the inner non-woven fabric layer are joined by hot melt, and the coating amount of the hot melt is 1.0 or more and 3.0 g / m ² or less. As a method of applying the hot melt, in addition to a conventionally known curtain coat or the like, a full surface coating or a non-full surface coating such as point coating may be used.

Japanese Unexamined Patent Publication No. 2014-217461

As described above, in the conventional mask for radiation exposure prevention, it is indispensable to uniformly apply the platinum nanoparticles without lowering the air permeability.

However, even if the hot melt coating technique according to Patent Document 1 described above, for example, on the entire surface of the mask is applied as a coating technique for platinum nanoparticles, the coating amount is 1.0 or more and 3.0 g / m ² or less. Therefore, it is difficult to apply evenly and evenly to the entire surface of the mask.

Incidentally, the conventional mask has a steep curved surface on the side corresponding to the position covering the nose and a gentle curved surface on the side corresponding to the position covering the mouth. In order to apply evenly to both of these curved surfaces, the orientation of the entire mask must be changed each time, and the time and labor spent are extremely large.

Moreover, in such a continuous coating operation, the platinum nanoparticles are likely to be uneven over the entire surface of the mask, and the air permeability is also inferior.

Therefore, the present invention was created in view of the above-mentioned conventional circumstances, and platinum nanoparticles can be evenly applied to the entire surface of the mask while maintaining the air permeability of the mask itself, and it is extremely possible. for radiation exposure prophylaxis mask can be completed coating work in a short time, and to provide a radiation preventive agent coating apparatus and exposure prophylactic agent coating method.

The invention of claim 1 according to the present invention is an exposure preventive agent application device for evenly applying an exposure preventive agent to the outer surface of a specially shaped mask main body that covers the nose and mouth of a wearer, and is a mask. It is composed of a base on which the outer surface of the main body is placed facing upward and a spraying base that sprays an exposure preventive agent toward the mask main body while moving above the base. The spraying base is the mask main body. The above-mentioned problems were solved by providing a pair of spray guns that spray platinum nanoparticles as an exposure preventive agent at different angles toward the outer surface of the surface.

According to the exposure preventive agent coating device according to claim 1, the platinum nanoparticles are directed at different angles toward the mask main body before and after the movement from the pair of spray guns provided on the spraying base that moves above the base. Since it is sprayed with, the application work of platinum nanoparticles can be completed in an extremely short time. As a result, it is possible to strongly adsorb a high-concentration radioactive substance to crystallize and develop a color, and to stop the radioactive substance on the surface of the mask main body to prevent internal exposure.

According to the second aspect of the present invention, the base is formed in a substantially rectangular shape, and the spray base includes a horizontal member arranged above the base so as to be orthogonal to the longitudinal direction of the base. The above-mentioned problems have been solved by arranging the support bars in the direction orthogonal to the horizontal member and attaching a pair of spray guns to the support bars.

According to the exposure prevention agent coating apparatus according to claim 2, the platinum nanoparticles can be efficiently applied by the spray gun, and the exposure prevention mask can be mass-produced at low cost.

The invention of claim 3 according to the present invention solves the above-mentioned problems by arranging a plurality of support bars in a direction orthogonal to the horizontal member and attaching a pair of spray guns to each support bar. ..

According to the exposure preventive agent application device according to claim 3, each spray gun attached to each support bar can complete the application work of platinum nanoparticles in an extremely short time, and is for exposure prevention. Mass production of masks at low cost is possible.

The invention of claim 4 according to the present invention solves the above-mentioned problems by having a plurality of mask main bodies arranged in a storage case and mounting the storage cases on a base.

According to the exposure preventive agent application device according to claim 4, the application work of platinum nanoparticles is completed in an extremely short time on all of the plurality of mask main bodies arranged in the storage case. Can be done.

Moreover, platinum nanoparticles can be uniformly sprayed onto all the mask main bodies while a large number of mask main bodies are still installed in the storage case. Therefore, it is possible to omit the troublesome work of applying the mask while changing the orientation of the mask main body as in the conventional case.

According to the fifth aspect of the present invention, the pair of spray guns attached to the support bar of the horizontal member are arranged obliquely so that the spouts face each other inward with the support bar slightly separated from each other. By doing so, the above-mentioned problems were solved.

According to the exposure preventive agent coating device according to claim 5, platinum nanoparticles can be reliably and uniformly sprayed onto the entire surface of the mask main body by a pair of spray guns.

In the invention of claim 6 according to the present invention, the pair of spray guns on the spray pedestal sprays platinum nanoparticles toward the outer surface of the mask body at a predetermined position above the mask body and then sprays the particles. The above-mentioned problems were solved by moving the gantry and spraying platinum nanoparticles again.

According to the exposure preventive agent coating device according to claim 6, by spraying the platinum nanoparticles twice through the movement of the spraying stand, the platinum nanoparticles are surely made uniform on the entire surface of the mask main body. It can be sprayed so that it becomes.

According to the invention of claim 7, the mask main body has a nasal mask having a steep curved surface covering the wearer's nose and a mouth mask having a gentle curved surface covering the wearer's mouth. It is formed in a mountain shape consisting of, and above the mask body, the spout of the spray gun on one side of the pair of spray guns is directed toward the nasal mask, and the spout of the spray gun on the other side. Is directed toward the mask on the mouth side, which solves the above-mentioned problem.

According to the exposure preventive agent application device according to claim 7, platinum nanoparticles are surely secured on the entire surface of the nasal side covering portion having a steep curved surface and the mouth side covering portion having a gentle curved surface by a pair of spray guns. Can be sprayed evenly.

In the invention of claim 8 according to the present invention, the spray gun on one side whose spout is directed to the nasal mask is arranged so as to have an inclination angle of 37 ° with respect to the perpendicular line C, and the jet is also ejected. The spray gun on the other side, whose outlet is directed to the mask on the mouth side, is arranged so as to have an inclination angle of 30 ° with respect to the vertical line, thereby solving the above-mentioned problem.

According to the exposure preventive agent coating device according to claim 8, one side spray gun having an inclination angle of 37 ° with respect to the perpendicular line C so that the injection port faces the nasal side mask having a steep curved surface. Is arranged, and the spray gun on the other side having an inclination angle of 30 ° with respect to the perpendicular line C is arranged so that the injection port faces the mouth side mask having a gentle curved surface. Platinum nanoparticles can be reliably sprayed over the entire outer surface of the portion so as to be uniform.

The invention of claim 9 according to the present invention is a method for applying an exposure preventive agent to evenly apply an exposure preventive agent to the outer surface of a specially shaped mask body covering the nose and mouth of a wearer. A pair of spray guns of support bars arranged in a direction orthogonal to the horizontal member of the spray pedestal that moves above the base on which the outer surface of the main body is placed faces upward toward the outer surface of the mask main body. The first spraying step of spraying platinum nanoparticles as an exposure preventive agent at different angles, the moving step of moving the spraying base by a predetermined distance on the base, and the mask body at the moved position of the spraying base. The above-mentioned problems have been solved by comprising a second spraying step of re-spraying platinum nanoparticles as an exposure preventive agent at different angles toward the outer surface of the surface.

According to the exposure preventive agent application method according to claim 9, platinum nanoparticles are surely applied to each entire surface of the mask main body by a series of operations by the first spraying step, the moving step, and the second spraying step. It can be sprayed evenly.

Therefore, it is possible to strongly adsorb a high-concentration radioactive substance to crystallize and develop a color, and to stop the radioactive substance on the surface of the mask main body to prevent internal exposure. In addition, the exposure prevention mask can be mass-produced at low cost.

The invention of claim 10 according to the present invention solves the above-mentioned problems by including a drying step of naturally drying the outer surface of the mask main body portion on which platinum nanoparticles are sprayed.

According to the method for applying an exposure preventive agent according to claim 10, the platinum nanoparticles that have been uniformly sprayed onto the entire surface of the mask body are naturally dried to strongly adsorb high-concentration radioactive substances. crystallization and color was developed, the radiation exposure prophylaxis mask can stop radioactive material on the surface of the mask body can be easily produced.

According to the eleventh aspect of the present invention, in the drying step of naturally drying the outer surface of the mask main body to which platinum nanoparticles are sprayed, a storage case in which a plurality of mask main bodies are housed side by side is hung on a cage. By doing so, the above-mentioned problems were solved.

According to the exposure preventive agent application method according to claim 11, the platinum nanoparticles after being uniformly sprayed on the entire surface of each of the plurality of mask main bodies in the storage case hung on the cage are naturally dried. it is, a large amount of radiation exposure prevention mask which can be crystallized and chromogenic strongly adsorb high concentrations of radioactive material can be easily produced.

Therefore, it is possible to mass-produce an exposure prevention mask that can prevent internal exposure by stopping radioactive substances on the surface at low cost.

According to the present invention, platinum nanoparticles can be evenly applied to the entire surface of the mask while maintaining the air permeability of the mask itself, and the application work can be completed in an extremely short time.

In addition, platinum nanoparticles can be reliably and uniformly sprayed onto the nasal mask having a steep curved surface and the mouth mask having a gentle curved surface.

Further, according to the present invention, platinum nanoparticles can be uniformly sprayed onto all the mask main bodies while the plurality of mask main bodies are still installed.

Therefore, it is possible to omit the troublesome work of applying the mask while changing the orientation of the mask main body as in the conventional case, and it is possible to dramatically improve the manufacturing efficiency of the exposure prevention mask.

It is a perspective view which shows the outline of the application work of the exposure prevention agent to the mask main body part. It is a side view which shows the setting state of the inclination angle with respect to the mask main body part of two spray guns. It is a perspective view which shows an example of the mounting table which accommodated a mask. It is a perspective view which shows the outline of the exposure prevention agent application apparatus. It is a perspective view which shows the structure of the portable automatic spray gun. It is a perspective view which shows an example of the installation state in the drying process of the pedestal accommodating a mask. It is a perspective view which shows the use state of a mask. It is a perspective view which shows another example of the exposure prevention agent coating apparatus. It is a side view which shows the setting state of the inclination angle with respect to the mask main body part of two spray guns in another example of an exposure prevention agent coating apparatus.

<Embodiment>
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

<Mask configuration>
As shown in FIGS. 1, 2, and 7, the mask main body 1 has a steep curved surface covering the wearer's nose, and includes or adheres a band-shaped auxiliary member H for a nose pad. It has a special shape formed in a mountain shape, consisting of a nasal mask 1A and a mouth mask 1B having a gentle curved surface that covers the wearer's mouth.

Further, ear hooks 2 or occipital hooks 2 are provided on both the left and right sides of the mask body 1. The mask is not limited to the specially shaped mask provided with the double-sided portions 1A and 1B, and can be applied to various chevron-shaped mask main body portions 1.

<Structure of exposure preventive agent application device>
The exposure preventive agent application device according to the present embodiment applies the exposure preventive agent evenly to the outer surface of the mask main body 1 having the above-mentioned special shape that covers the nose and mouth of the wearer.

Specifically, as shown in FIG. 4, the base 11 on which the outer surface of the mask main body 1 is placed facing upward and the exposure prevention toward the mask main body 1 while moving above the base 11 It is composed of a spraying stand 12A for spraying the agent.

The spray pedestal 12A includes a pair of spray guns SP1 and SP2 that spray platinum nanoparticles as an exposure preventive agent at different angles toward the outer surface of the mask body 1.

As shown in FIG. 4, the base 11 is formed in a substantially rectangular shape, has legs 11A at the lower four corners, and has a storage space P surrounded by a pair of left and right wall portions 11B and 11C on the upper surface. It has.

Further, on the outside of one wall portion 11B, a rail-shaped groove portion 11D is provided along the length direction of the wall portion 11B, and the spray pedestal 12A is provided along the groove portion 11D in the longitudinal direction (front and back) of the base 11. It is possible to move along the direction).

That is, as shown in FIG. 4, a drive motor M for moving the spray pedestal 12A is attached to one end side of the groove portion 11D, and a bar screw (not shown) is connected to the drive shaft of the drive motor M. It is arranged inside the groove 11D.

A slider 12B that slides along the groove 11D is provided at the lower end of the spray pedestal 12A, and a nut member (not shown) into which the bar screw is screwed is fixed to the lower surface of the slider 12B. As a result, when the drive motor M operates and the bar screw rotates, the slider 12B moves along the groove portion 11D together with the spray pedestal 12A via the nut member.

The spray pedestal 12A includes a horizontal member 12 arranged above the pedestal 11 so as to be orthogonal to the longitudinal direction of the pedestal 11.

As shown in FIG. 4, the horizontal member 12 has a plurality of arch-shaped support bars 12C having a width of the accommodation space P in a direction orthogonal to the horizontal member 12, that is, along the length direction of the accommodation space P. Spray guns SP1 and SP2 are attached to both ends of the support bars 12C, which are juxtaposed at equal intervals along the direction.

The pair of spray guns SP1 and SP2 attached to the support bar 12C of the horizontal member 12 are arranged obliquely so that the spouts face inward from each other in a state of being slightly separated from each other in the support bar 12C.

That is, as shown in FIG. 2, one side SP1 of the spray guns SP1 and SP2 has an angle of 37 ° with respect to the perpendicular line C, and is in the storage case 13 described later installed in the lower storage space P. The other side SP2 of the spray guns SP1 and SP2 was directed to the nasal side masking portion 1A of the predetermined mask main body portion 1 at an angle of 30 ° with respect to the perpendicular line C, and was installed in the lower accommodation space portion P. It is directed to the mouth-side masking portion 1B of the predetermined space portion 1 in the storage case 13, which will be described later.

As shown in FIG. 3, the plurality of mask main bodies 1 are arranged in the storage case 13, and the storage case 13 is arranged in the storage space P on the base 11.

The storage case 13 includes two vertical frames 13A along the length direction and four horizontal frames 13B along the width direction, and three in the width direction in the front-rear length direction. There are 5 pieces in the box, and the total number of squares is 15 pieces.

Inside each of these squares, a pair of front and rear support frames 14 stand up from the inner bottom. On the support frame 14 of these squares, the outer surface (front surface) of the mask main body 1 is directed upward, and the nasal side masking portion 1A side (or the mouth side masking surface portion 1B side) is directed in the same direction. Can be placed.

Then, above the mask main body 1, the outlet of the spray gun SP1 on one side of the pair of spray guns SP1 and SP2 described above is directed toward the nasal mask portion 1A, and the outlet of the spray gun SP2 on the other side. Is directed toward the mouth-side masking portion 1B.

The pair of spray guns SP1 and SP2 of the spray pedestal 12A described above spray platinum nanoparticles toward the outer surface of the mask body 1 at a predetermined position above the mask body 1 and then spray the spray gantry 12A. It is supposed to be moved and the platinum nanoparticles to be sprayed again. The details will be described later.

<Configuration of portable automatic spray gun>
As shown in FIG. 5, the spray guns SP1 and SP2 are connected to the pressurizing tank 22 via a digitally controlled control unit 21 that can be moved by a cart.

Further, the nozzles of the spray guns SP1 and SP2 are provided with two fan airs sandwiching the central spray air / liquid line.

Then, under the pressure adjustment by the control unit 21, the platinum nanoparticles as the exposure preventive agent become nano-colloidal liquid and are discharged from the central spray air / liquid line.

<Cage configuration for drying>
After the outer surface (front surface) of each mask main body 1 in the storage case 3 is coated with platinum nanoparticles by the spray guns SP1 and SP2, the storage case 13 has a plurality of upper and lower stages as shown in FIG. The mask body 1 is hung on a cage 31 arranged in a rack shape, and the mask main body 1 is dried by, for example, a dryer, a blower, or natural drying.

That is, the cage 31 is formed by a vertically long rectangular frame 31A having casters K at the four corners of the lower surface of the bottom, and is L at equal intervals along the vertical direction so as to face each other on the left and right sides of the rectangular frame 31A. A character-shaped support frame 32 made of, for example, an angle material is arranged. The storage case 13 is hung on the support frames 32 on both sides and dried.

<Other configurations of exposure preventive agent coating device>
8 and 9 show other configurations of the exposure preventive agent coating device.

In this example, as shown in FIG. 8, a pair of rod-shaped support bars 12CA and 12CB are arranged with the horizontal member 12 at positions symmetrical with respect to the horizontal member 12 in the longitudinal direction of the accommodation space P. It is provided so as to be substantially parallel.

A plurality of spray guns SP1 are attached to the support bar 12CA on one side (front side) so as to be substantially evenly spaced along the length direction thereof. Further, a plurality of spray guns SP2 are also attached to the other (rear side) support bar 12CB so as to be substantially evenly spaced along the length direction thereof.

In addition, a support pedestal 12D for adjusting the horizontal position is provided on one end side of the horizontal member 12 along the length direction of the accommodation space P, and one end of each of the support bars 12CA and 12CB is the support pedestal 12D. It is mounted in a state slightly separated from each other. The spray guns SP1 and SP2 attached to the support bars 12CA and 12CB are arranged obliquely so that the spouts face each other inward.

That is, as shown in FIG. 9, one side SP1 of the spray guns SP1 and SP2 has an angle of 37 ° with respect to the perpendicular line C, and is in the storage case 13 described later installed in the lower storage space P. It is directed to the nasal side masking portion 1A of the predetermined mask main body portion 1. Further, the other side SP2 of the spray guns SP1 and SP2 has an angle of 30 ° with respect to the perpendicular line C, and is a predetermined square main body 1 in the storage case 13 which will be described later and is installed in the lower storage space P. It is directed to the mouth side mask portion 1B.

<Method of applying radiation exposure preventive agent>
Next, the exposure preventive agent application method according to the present embodiment will be described.

First, a plurality of mask main bodies 1 are placed in each box of the storage case 13 with the outer surface facing up and all in the same direction, and the storage case 13 is placed in the storage space P of the base 11. Install.

At this time, in the support frame 14 of each of these squares of the storage case 13, the nasal side masking portion 1A side (or the mouth side masking surface portion 1B side) of the mask main body 1 is in the same direction, for example, the storage space portion of the base 11. It is placed in a state of being aligned so as to face the front side of P.

Next, from the pair of spray guns SP1 and SP2 of the support bars 12C arranged in the direction orthogonal to the horizontal member 12 of the spray pedestal 12A moving above the base 11, toward the outer surface of the mask main body 1. Platinum nanoparticles as an exposure preventive agent are sprayed at different angles (first spraying step).

At this time, as shown in FIG. 2, one side SP1 of the spray guns SP1 and SP2 is directed toward the nasal mask portion 1A having a steep curved surface at an angle of 37 ° with respect to the perpendicular line C, and the spray gun SP1 , SP2, the other side SP2 is directed toward the mouth-side masking portion 1B having a gentle curved surface at an angle of 30 ° with respect to the perpendicular line C, and platinum nano as an exposure preventive agent from each spray gun SP1 and SP2 at the same time. The particles are ejected as a nano-colloidal liquid.

Next, the drive motor M is operated to slide the spray pedestal 12A on the base 11 for a predetermined time (distance) along the groove 11D. At this time, as shown in FIG. 1, the spray pedestal 12A provided with the spray guns SP1 and SP2 moves forward by a predetermined distance, for example, forward with respect to the mask main body 1 (movement step).

The moving distance is a small distance (for example, about several cm) so that the spray directions of the spray guns SP1 and SP2 do not deviate from the nasal side masking portion 1A and the mouth side masking portion 1B with respect to the mask main body 1. Is.

Next, at the moved position of the spray pedestal 12A, platinum nanoparticles are again sprayed from the pair of spray guns SP1 and SP2 toward the outer surface of the mask main body 1 (second spraying step). As a result, platinum nanoparticles are sprayed onto one side SP1 of the spray guns SP1 and SP2 over substantially the entire nasal side covering portion 1A, and at the same time, the other side SP2 of the spray guns SP1 and SP2 is attached to the mouth side covering portion 1B. Platinum nanoparticles will be sprayed over almost the entire area.

Next, the storage case 13 is taken out from the storage space P of the base 11, and as shown in FIG. 6, the platinum nanoparticles are hung on the support frame 32 of the cage 31 and, for example, by a dryer, a blower, natural drying, or the like. The surface of the sprayed mask body 1 is dried (drying step).

As described above, in the present embodiment, platinum nanoparticles can be evenly applied to the entire surface of the mask body 1 while maintaining the air permeability of the mask body 1 itself, and the time is extremely short. The coating work can be completed in time.

In the above-described embodiment, the storage case 13 is immovably placed in the storage space P of the base 11, and the spray pedestal 12A provided with the spray guns SP1 and SP2 is moved in the front-rear direction. However, not limited to this, the spray pedestal 12A provided with the spray guns SP1 and SP2 is fixed to the pedestal 11 so that the accommodating case 13 can move in the front-rear direction in the accommodating space P of the pedestal 11. Is also good.

The present invention, as radiation exposure prophylaxis mask used to protect the operator from radiation, in which the various work sites, are widely used.

SP1 ... Spray gun SP2 ... Spray gun P ... Containment space K ... Caster C ... Vertical line M ... Drive motor H ... Complementary member 1 ... Mask body 1A ... Nose side mask 1B ... Mouth side mask 2 ... Ear hook Part or back head hanging part 11 ... Base 11A ... Leg 11B ... Wall 11C ... Wall 11D ... Groove 12 ... Horizontal member 12A ... Spraying stand 12B ... Slider 12C ... Support bar 12CA ... Support bar 12CB ... Support bar 12D ... Support stand 13 ... Storage case 13A ... Vertical frame 13B ... Horizontal frame 14 ... Support frame 21 ... Control unit 22 ... Pressurized tank 31 ... Cage 31A ... Rectangular frame 32 ... Support frame

Claims (11)

This is an exposure prevention agent application device for evenly applying the exposure prevention agent to the outer surface of the specially shaped mask body that covers the nose and mouth of the wearer, and the outer surface of the mask body is placed facing upward. It is composed of a base to be placed and a spraying stand that sprays the exposure preventive agent toward the mask main body while moving above the base, and the spraying stand serves as an exposure preventive agent toward the outer surface of the mask main body. An exposure preventive agent application device characterized by being provided with a pair of spray guns that spray platinum nanoparticles of the above at different angles. The base is formed in a substantially rectangular shape, and the spray pedestal is provided with a horizontal member arranged above the base so as to be orthogonal to the longitudinal direction of the base, and is supported in a direction orthogonal to the horizontal member. The exposure preventive agent application device according to claim 1, wherein a bar is arranged and a pair of spray guns are attached to the support bar. The exposure preventive agent application device according to claim 2, wherein a plurality of support bars are arranged in a direction orthogonal to the horizontal member, and a pair of spray guns are attached to each support bar. The exposure preventive agent application device according to claim 1 or 2, wherein the plurality of mask main bodies are arranged in a storage case, and the storage case is placed on a base. The exposure preventive agent according to claim 2, wherein the pair of spray guns attached to the support bar of the horizontal member are arranged obliquely so that the spouts face each other inward with the support bar slightly separated from each other. Coating device. The pair of spray guns on the spray gantry spray platinum nanoparticles toward the outer surface of the mask body at a predetermined position above the mask body, and then move the spray gantry to re-spray the platinum nanoparticles. The exposure preventive agent application device according to claim 1 or 2. The mask body is formed in a mountain shape consisting of a nasal mask having a steep curved surface covering the wearer's nose and a mouth mask having a gentle curved surface covering the wearer's mouth. Above the mask body, of the pair of spray guns, the spout of the spray gun on one side is directed to the nasal mask, and the spout of the spray gun on the other side is directed to the mask on the mouth. exposure prophylactic agent applying device radiation exposure prevention mask according to any one of claim 1, 4, 6. The spray gun on one side with the spout directed toward the nasal mask is arranged so as to have an inclination angle of 37 ° with respect to the perpendicular line C, and the spout is directed toward the mouth mask. spray gun on the other side is exposed prophylactic agent applying device radiation exposure prevention mask according to claim 7 which is arranged to have an inclination angle of 30 ° with respect to the perpendicular C. This is an exposure prevention agent application method for evenly applying the exposure prevention agent to the outer surface of the specially shaped mask body that covers the wearer's nose and mouth, and the outer surface of the mask body is placed facing upward. Platinum nanoparticles as an exposure preventive agent are different from a pair of spray guns of support bars arranged in a direction orthogonal to the horizontal member of the spray pedestal that moves above the base to be placed toward the outer surface of the mask body. The first spraying step of spraying at an angle, the moving step of moving the spraying pedestal by a predetermined distance on the base, and the pair of spray guns toward the outer surface of the mask main body at the moved position of the spraying pedestal. exposure prophylactic method of applying radiation exposure prevention mask, characterized by comprising platinum nanoparticles as exposure prophylactic agent and a second-injected process sprayed again at different angles. The outer surface of the mask body which sprayed platinum nanoparticles, exposure prophylactic method of applying radiation exposure prevention mask according to claim 9 including naturally dried to a drying step. Naturally dried to a drying step the outer surface of the mask body which sprayed platinum nanoparticles, radiation exposure prevention mask according to claim 10, the housing case housing by arranging a plurality of the mask body, takes place over the cage Exposure preventive agent application method.

Images