Protective clothing

Abstract

To provide protective clothing excellent in workability and excellent in comfort when worn.SOLUTION: Protective clothing 1 at least comprises a trunk part 10, an arm part (right arm part 20 and left arm part 30) connected to the trunk part 10 and having a cuff (right arm cuff 21 and left arm cuff 31), a leg part (right leg part 40 and left leg part 50) connected to the trunk part 10 and having a leg opening (right leg opening 41 and left leg opening 51), and a head part 60 connected to the trunk part 10 and having a head opening 61 for passing through the head. In the protective clothing 1, a stretchable member 13 elongated to 1.25 to 3.3 times a natural length is joined / arranged at least at a portion around a waist portion of the trunk part 10. A ratio of a length L5 around a thigh portion to a length L4 of an inseam portion is 45 to 55%, and a ratio of a length L7 of a rise to a length L6 of an out side length is 30 to 40%.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to protective clothing.

Background Art

[0002] Protective clothing is worn to prevent harmful substances such as chemicals, viruses, pathogens, radioactive substances, and other harmful dusts from adhering to and entering the human body. Therefore, protective clothing is manufactured using materials having a barrier property. There are various types of protective clothing, and among them, coverall-type protective clothing is used as protective clothing having high airtightness so that the wearer is not exposed to a harmful environment.

[0003] Patent Document 1 discloses a protective clothing formed of a barrier fabric, in which at least one elastomer strip is formed on the back surface of the main body portion, and this elastomer strip is configured to form a V-shaped portion, and this V-shaped portion has a tip portion located at a point on the lower back, a first extending portion extending from the tip portion through the right lower rib to the wrist-side end of the right sleeve portion, and a second extending portion extending from the tip portion through the left lower rib to the wrist-side end of the left sleeve portion.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] However, protective clothing having high airtightness restricts the range of motion of the wearer, resulting in poor operability. During work, not only does the work efficiency decrease, but it also gives the wearer physical and mental stress. Therefore, there is a demand for the development of protective clothing having excellent workability and excellent comfort when worn.

[0006] The present invention has been made in view of such circumstances, and a main object thereof is to provide a protective clothing that is excellent in workability and comfort when worn.

Means for Solving the Problems

[0007] As a result of intensive studies to achieve the above-described object, the present inventor has found that a protective clothing includes at least a body part, an arm part connected to the body part and having a cuff formed thereon, a leg part connected to the body part and having a leg opening formed thereon, and a head part connected to the body part and having a head opening formed therethrough for passing the head. The protective clothing is configured such that a stretchable member stretched 1.25 to 3.3 times the natural length is joined and disposed on at least a part around the waist of the body part, the ratio of the length around the thigh to the length of the inseam is 45 to 55%, and the ratio of the length of the upper thigh to the length of the side length is 30 to 40%. Based on this finding, the present invention has been completed.

[0008] That is, the present invention is as follows.

[0009] (1) A protective clothing including at least a body part, an arm part connected to the body part and having a cuff formed thereon, a leg part connected to the body part and having a leg opening formed thereon, and a head part connected to the body part and having a head opening formed therethrough for passing the head. A stretchable member stretched 1.25 to 3.3 times the natural length is joined and disposed on at least a part around the waist of the body part, the ratio of the length around the thigh to the length of the inseam is 45 to 55%, and the ratio of the length of the upper thigh to the length of the side length is 30 to 40%. (2) The protective clothing according to (1), wherein the ratio of the length of the abdomen circumference to the length of the chest circumference is 50 to 65%. (3) The protective clothing according to (1) or (2), wherein the ratio of the length of the inseam to the length of the back length is 70 to 85%. (4) The protective clothing according to any one of (1) to (3), wherein the ratio of the length of the sleeve to the length of the back length is 85 to 95%. (5) The protective clothing according to any one of (1) to (4), wherein the ratio of the length of the sleeve circumference to the length of the chest circumference is 40 to 50%. (6) The protective clothing according to any one of (1) to (5) is made of a barrier fabric. (7) The fabric of the protective clothing according to any one of (1) to (6) is at least one selected from the group consisting of non-woven fabric, resin, and a laminate including a non-woven fabric layer and a resin layer. (8) The basis weight of the fabric of the protective clothing is 25 to 125 g / m 2 and it is the protective clothing according to any one of (1) to (7). (9) The protective clothing according to any one of (1) to (8) is provided with a fastener for attachment and detachment, which is arranged vertically along the front of the body part. (10) The protective clothing according to any one of (1) to (9) is an airtight suit conforming to JIS T8115.

Advantages of the Invention

[0010] According to the present invention, it is possible to provide a protective clothing excellent in workability and comfort during wearing.

Brief Description of the Drawings

[0011]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0012] Hereinafter, a mode for carrying out the present invention (hereinafter simply referred to as "the present embodiment") will be described in detail. The following present embodiment is an exemplification for explaining the present invention and is not intended to limit the present invention to the following contents. The present invention can be appropriately modified and implemented within the scope of its gist.

[0013] In the drawings, the same reference numerals are assigned to the same elements, and overlapping explanations are omitted. Also, the positional relationships such as up, down, left, and right are based on the positional relationships shown in the drawings unless otherwise specified. Furthermore, the dimensional ratios in the drawings are not limited to the illustrated ratios.

[0014] Furthermore, in this specification, terms with "substantially" attached indicate the meaning of the terms excluding the "substantially" within the scope of the common general knowledge of those skilled in the art, and also include the meaning itself excluding the "substantially".

[0015] FIG. 1 is a front view of an example of the protective clothing according to the present embodiment. FIG. 2 is a rear view of an example of the protective clothing according to the present embodiment.

[0016] The protective clothing 1 according to the present embodiment includes at least a body part 10, an arm part (right arm part 20, left arm part 30) connected to the body part 10 and having cuffs (right arm cuff 21, left arm cuff 31) formed thereon, a leg part (right leg part 40, left leg part 50) connected to the body part 10 and having leg openings (right leg opening 41, left leg opening 51) formed thereon, and a head part 60 connected to the body part 10 and having a head opening 61 formed therein for passing the head. The protective clothing 1 is an overall type of protective clothing (full-body protective clothing) in which the upper body and the lower body are integrated. The body part 10, the arm part (right arm part 20, left arm part 30), the leg part (right leg part 40, left leg part 50), and the head part 60 are integrated by, for example, sewing, adhesion, heat fusion, ultrasonic adhesion, vulcanization, etc. Note that the protective clothing 1 according to the present embodiment may also be called a "protective garment" or the like.

[0017] The body part 10 is composed of a front surface 11 of the body part and a back surface 12 of the body part. A fastener 14 is provided along the vertical direction on the front surface (the front surface 11 of the body part). Preferably, in a front view, the fastener 14 is provided along the body axis direction at approximately the center of the front surface 11 of the body part. The wearer puts on and takes off the protective clothing 1 by opening and closing this fastener 14. The position where the fastener 14 is provided is not limited, but as shown in FIG. 1, in a front view of the body part 10, it is preferably arranged along the body axis direction at approximately the center thereof. And preferably, the upper stop of the fastener 14 is provided on the periphery of the head opening 61. Further, preferably, the lower stop of the fastener 14 is provided at a position lower than around the waist. By arranging the fastener 14 in such a manner, the donning and doffing can be made even easier. Although not shown, when putting on the protective clothing 1, the slider is pulled up from the lower stop toward the upper stop. And when taking off the protective clothing 1, the slider that has been pulled up to the upper stop is pulled down toward the lower stop. Further, from the viewpoint of enhancing airtightness, a fastener cover may be provided for the fastener 14. Also, the fastener 14 may be a hook-and-loop fastener or the like.

[0018] At least a part around the waist of the body part 10 is joined and provided with an elastic member 13 that is stretched and contracted 1.25 to 3.3 times with respect to the natural length. That is, the elongation ratio of the elastic member 13 of the body part 10 is 1.25 to 3.3 times. The lower limit of the elongation ratio is preferably 1.35 times or more, more preferably 1.45 times or more, and still more preferably 1.65 times or more. Also, the upper limit of the elongation ratio is preferably 2.7 times or less, more preferably 2.1 times or less, and still more preferably 1.8 times or less. The elongation ratio refers to the ratio (B / A) of the stretched length (B) to the natural length (A) in the unloaded state. For example, when the elastic member 13 with a natural length of 10 cm is fixed around the waist of the body part 10 in a state where it is stretched to 25 cm, the elongation ratio is 2.5 times (= 25 cm ÷ 10 cm). By arranging the elastic member with such an elongation ratio, it is possible to suppress the appearance of bulges around the waist and to exhibit a contraction force that does not cause excessive tightening.

[0019] The elastic member 13 may be arranged over the entire circumference of the abdomen, but it is preferably arranged intermittently and continuously at a predetermined interval in the circumferential direction of the body (horizontal direction). By setting such an interval, appropriate tightening can be applied to the abdomen. Specifically, the interval between adjacent elastic members 13 in the circumferential direction is preferably 0.5 cm to 4 cm, more preferably 1 cm to 3 cm, and still more preferably 1 cm to 2 cm. Also, when the elastic member 13 is arranged intermittently, it is preferably not arranged in the region where the fastener 14 is arranged. Further, when three or more elastic members 13 are arranged, the respective intervals can be appropriately arranged within the above range.

[0020] The material of the elastic member 13 may be any member having elasticity and is not particularly limited, but examples include synthetic rubber, natural rubber, and elastomer. And the elastic member 13 can be fixed to the body part 10 by sewing, heat fusion, etc.

[0021] On the right wrist part 20, a right wrist cuff 21 is provided, and the right hand extends outwards therefrom. Although not shown in the figure, the right hand can be protected by wearing a separate glove or the like. From the perspective of ensuring the airtightness of the protective clothing 1, it is preferable that the above-described elastic member 22 is arranged on the right wrist cuff 21. When using the elastic member 22 for the right wrist cuff 21, the elongation ratio is preferably 1.55 to 3.0 times, more preferably 1.85 to 2.7 times, and even more preferably 2.15 to 2.4 times. Further, it is preferable that the right wrist cuff 21 is provided with gathers. Similarly, for the left wrist cuff 31 provided on the left wrist part 30, it is preferable that the elastic member 32 is arranged. The right wrist part 20 and the left wrist part 30 preferably have symmetrical shapes and dimensions. The materials of the elastic members 22 and 32 can be the materials described as the material of the elastic member 13 of the body part 10.

[0022] On the right foot part 40, a right foot opening 41 is provided, and the right foot extends outwards therefrom. Although not shown in the figure, the right foot can be protected by wearing a separate shoe or the like. From the perspective of ensuring the airtightness of the protective clothing 1, it is preferable that the above-described elastic member 42 is arranged on the right foot opening 41. When using the elastic member 42 for the right foot opening 41, the elongation ratio is preferably 1.55 to 3.0 times, more preferably 1.85 to 2.7 times, and even more preferably 2.15 to 2.4 times. Further, it is preferable that the right foot opening 41 is provided with gathers. Similarly, for the left foot opening 51 provided on the left foot part 50, it is preferable that the elastic member 52 is arranged. The right foot part 40 and the left foot part 50 preferably have symmetrical shapes and dimensions. The materials of the elastic members 42 and 52 can be the materials described as the material of the elastic member 13 of the body part 10.

[0023] The head 60 is provided with a head opening 61 through which the face is exposed to the outside. Although not shown in the drawings, the face can be protected by wearing a mask, a protective mask, protective glasses, etc. From the perspective of ensuring the airtightness of the protective clothing 1, it is preferable that an elastic member 62 is arranged at the periphery of the head opening 61. When using the elastic member 62 for the head opening 61, the elongation ratio is preferably 1.35 to 2.7 times, more preferably 1.45 to 2.1 times, and even more preferably 1.65 to 1.8 times. As the material of the elastic member 62, the materials described as the materials of the elastic member 13 of the body part 10 can be used. Further, it is preferable that the head opening 61 is provided with gathers.

[0024] The fabric of the protective clothing 1 may be any fabric that can prevent the intrusion of substances to be protected (for example, specific chemical substances, viruses, bacteria, radioactive substances, dust, liquids, gases, etc.). From this perspective, the fabric of the protective clothing 1 is preferably a barrier fabric. And the type of the fabric can be selected according to the use, but it is preferably at least one selected from the group consisting of non-woven fabrics, resins, and laminates including a non-woven fabric layer and a resin layer. Specific examples of the materials for the protective clothing include spunbond non-woven fabrics, SMS non-woven fabrics, resin films, and laminates thereof.

[0025] Spunbond non-woven fabrics are excellent in economy and strength, and are suitable, for example, as disposable protective clothing. As the spunbond non-woven fabric, a spunbond non-woven fabric made of a thermoplastic resin such as polypropylene, polyethylene, or polyethylene terephthalate is preferable. Among thermoplastic resins, polypropylene is more preferable from the perspectives of economy and strength. The content of the thermoplastic resin contained in the spunbond non-woven fabric is preferably 90% by mass or more, more preferably 95% by mass or more, and even more preferably 100% by mass.

[0026] The SMS non-woven fabric is excellent in strength and has high air permeability and filtration effect, so it is suitable, for example, as medical protective clothing. The SMS non-woven fabric is a laminated non-woven fabric in which a melt-blown non-woven fabric is disposed between a first spunbond non-woven fabric and a second spunbond non-woven fabric. As the first spunbond non-woven fabric and the second spunbond non-woven fabric, the above-described spunbond non-woven fabric can be used. The melt-blown non-woven fabric is preferably a melt-blown non-woven fabric made of a thermoplastic resin such as polypropylene, polyethylene, or polyethylene terephthalate. Among thermoplastic resins, polypropylene is more preferable from the viewpoints of economy and strength. The content of the thermoplastic resin contained in the spunbond non-woven fabric is preferably 90% by mass or more, more preferably 95% by mass or more, and still more preferably 100% by mass.

[0027] The resin film is preferably, for example, a thermoplastic resin film. Examples of the thermoplastic resin film include olefin-based films such as a polyethylene film and a polypropylene film. For example, the polyethylene film is preferably a porous film. The porous polyethylene film preferably has small holes that allow gases such as water vapor to pass through but do not allow liquids to pass through. Such a polyethylene film is suitable because it has moisture permeability and can reduce the stress load even when the wearer sweats during long-term work.

[0028] Furthermore, a laminate including the above-described polypropylene spunbond non-woven fabric or SMS non-woven fabric and a polyethylene film can be used. The layer structure of the laminate is not particularly limited, and may be, for example, a two-layer structure such as non-woven fabric / polyethylene film, or a three-layer structure such as first non-woven fabric / polyethylene film / second non-woven fabric. Examples of such a laminate include a polyethylene film laminated non-woven fabric. Specifically, examples include a laminate in which a polyethylene film is laminated on a polypropylene spunbond non-woven fabric or an SMS non-woven fabric. Since these are excellent in the ability to collect dust, they are suitable, for example, as protective clothing against floating solid dust and the like.

[0029] Each of the above-mentioned materials may be subjected to surface treatment such as antistatic treatment, if necessary. Alternatively, it may contain additives such as flame retardants.

[0030] Among these, usually, from the viewpoint of excellent water resistance and oil resistance, it is preferably one or more selected from the group consisting of polypropylene spunbond nonwoven fabric; SMS nonwoven fabric; and a laminate containing polypropylene spunbond nonwoven fabric or SMS nonwoven fabric and a polyethylene film.

[0031] The basis weight of the fabric of the protective clothing 1 is 25 to 125 g / m 2 which is preferable. The upper limit of the basis weight is more preferably 100 g / m 2 or less, and even more preferably 80 g / m 2 or less. Also, the lower limit of the basis weight is more preferably 45 g / m 2 or more, and even more preferably 55 g / m 2 or more. The protective clothing 1 having such a basis weight is usually a lightweight and thin material, and is also suitable for disposable protective clothing and the like.

[0032] Hereinafter, the size of the protective clothing 1 according to the present embodiment will be described. Unless otherwise specified below, the sleeve length and the circumference of the sleeve are the average lengths of the right arm 20 and the left arm 30, respectively, and the length around the thigh and the side length are the average lengths of the right leg 40 and the left leg 50, respectively. Also, for each of the following sizes, the measurement is made so that there is no sag in the fabric.

[0033] FIG. 3 is a front view for explaining the relationship between the crotch and the thigh circumference in an example of the protective clothing according to the present embodiment.

[0034] For the protective clothing 1, the ratio (L5 / L4; %) of the length L5 around the thigh to the length L4 of the crotch is 45 to 55%. The upper limit of this ratio is preferably 50% or less, more preferably 49% or less, and even more preferably 48% or less. Also, the lower limit of this ratio is preferably 46% or more, more preferably 47% or more.

[0035] FIG. 4 is a front view for explaining the relationship between the side length and the length above the crotch in an example of the protective clothing according to the present embodiment.

[0036] For the protective clothing 1, the ratio (L7 / L6; %) of the length L7 above the crotch to the length L6 of the side length is 30 to 40%. The upper limit of this ratio is preferably 37% or less, more preferably 36% or less, and even more preferably 35% or less. Also, the lower limit of this ratio is preferably 31% or more, more preferably 32% or more, and even more preferably 33% or more.

[0037] For the protective clothing 1, the ratio (L2 / L1; %) of the length L2 of the abdomen circumference to the length L1 of the chest circumference is preferably 50 to 65% (see, for example, FIG. 1). The upper limit of this ratio is more preferably 62% or less, and even more preferably 61% or less. Also, the lower limit of this ratio is more preferably 51% or more, and even more preferably 52% or more.

[0038] For the protective clothing 1, the ratio (L4 / L3; %) of the length L4 of the crotch to the length L3 of the back length is preferably 70 to 85% (see, for example, FIG. 2). The upper limit of this ratio is more preferably 83% or less, and even more preferably 82% or less. Also, the lower limit of this ratio is more preferably 73% or more, even more preferably 75% or more, and still more preferably 76% or more.

[0039] FIG. 5 is a rear view for explaining the relationship between the back length and the sleeve length in an example of the protective clothing according to the present embodiment.

[0040] For the protective clothing 1, the ratio (L8 / L3; %) of the sleeve length L8 to the back length L3 is preferably 85 to 95%. The upper limit of this ratio is more preferably 93% or less, and even more preferably 92% or less. Also, the lower limit of this ratio is more preferably 86% or more, and even more preferably 87% or more.

[0041] Fig. 6 is a front view for explaining the relationship between the chest circumference and the sleeve circumference in an example of the protective clothing according to the present embodiment.

[0042] For the protective clothing 1, the ratio (L9 / L1; %) of the sleeve circumference length L9 to the chest circumference length L1 is preferably 40 to 50%. The upper limit of this ratio is more preferably 47% or less, and even more preferably 45% or less. Also, the lower limit of this ratio is more preferably 41% or more, and even more preferably 42% or more.

[0043] For the protective clothing 1 according to the present embodiment, regarding its size design, by controlling each of the above-described ratios to be within the above-described ranges, a wide range of motion can be ensured for joints such as the arms and legs, so the workability is excellent. Furthermore, there is no excessive tightening of the fabric when worn, and it is possible to suppress the gathering of the fabric at the abdomen, the arm, the wrist sleeve, and the leg opening, etc., so the stress load during wearing is reduced and the comfort during wearing is excellent. And by combining each of the above-described ratios, such effects are further improved. In particular, the protective clothing 1 can be made suitable for the body shapes of Asians such as Japanese people.

[0044] For example, due to the requirements of the working environment and laws and regulations, etc., the wearer may have to put on and take off the protective clothing 1 at a certain frequency (for example, at a rate of once every few hours to several days). The protective clothing used for such applications is preferably disposable and excellent in economy. In this regard, since the protective clothing 1 according to the present embodiment can also be manufactured from low-cost materials, it can meet such requirements.

[0045] Conventionally, attempts have been made to provide a separate member for improving workability and the comfort of the wearer to a protective suit or to make a large-scale protective suit. However, the protective suit 1 according to the present embodiment has a simple structure that does not require a special member, yet can secure a wide range of motion. Therefore, there is no decrease in work efficiency and it is excellent in workability. Further, since the protective suit 1 according to the present embodiment can suppress the gathering of fabric more than necessary when dressing, it can reduce the physical and mental stress load during wearing, and thus is also excellent in comfort. Furthermore, as described above, since the protective suit 1 according to the present embodiment does not require a special member, it is excellent in economy in that the number of parts for manufacturing can be small.

[0046] The protective suit 1 is suitable for use when engaged in work involving handling acids, alkalis, organic chemicals, other gases and liquids, and particulate chemical substances, and is used for the purpose of preventing the permeation and / or penetration of such chemical substances. The protective suit 1 can cope with various dangerous and harmful factors, and for example, can be suitably used as a chemical protective suit for protecting the body from harmful chemical substances, a protective suit for biocontainment measures for protecting the body from pathogens, etc., and a radiation protective suit for protecting the body from radioactive substances.

[0047] Since the protective suit 1 has a simple structure, is excellent in workability, and is also excellent in comfort when worn, even a person with little experience of wearing a protective suit can use it without feeling excessive stress. Therefore, the protective suit 1 can be suitably used as an airtight suit conforming to JIS T8115(2015), and particularly, can be more suitably used as a type 1 airtight suit. An airtight suit is a suit that protects the whole body including the arms, legs, and head, and is a full-body protective suit having a structure that keeps the inside of the suit airtight. Specifically, it can be used as a self-contained breathing apparatus-equipped airtight suit, a self-contained breathing apparatus-external airtight suit, a supplied-air airtight suit, etc. Of course, it goes without saying that it can also be used for other types of protective suits (for example, positive pressure suits, closed suits, etc.). Further, as described above, since the protective suit 1 can be manufactured from low-cost materials and has a simple structure, it can be suitably used as a disposable protective suit (for example, a simple protective suit, etc.).

[0048] The protective clothing 1 can be used in combination with partial protective articles such as masks, hoods, visors, gloves, boots, footwear, etc., according to the required protection level, the object to be protected, etc. Since the protective clothing 1 has a simple structure and does not need to be equipped with special members and parts, etc., it can be used in combination with a wide variety of types and shapes of partial protective articles.

Explanation of Signs

[0049] 1: Protective clothing, 10: Torso part, 11: Front of torso part, 12: Back of torso part, 13: Stretchable member of torso part, 14: Fastener, 20: Right arm part, 21: Right arm cuff, 22: Stretchable member of right arm cuff, 30: Left arm part, 31: Left arm cuff, 32: Stretchable member of left arm cuff, 40: Right leg part, 41: Right leg opening, 42: Stretchable member of right leg opening, 50: Left leg part, 51: Left leg opening, 52: Stretchable member of left leg opening, 60: Head part, 61: Head opening, 62: Stretchable member of head opening, L1: Chest circumference length, L2: Abdominal circumference length, L3: Back body length, L4: Inseam length, L5: Thigh circumference length, L6: Side body length, L7: Crotch length, L8: Sleeve length, L9: Sleeve circumference length

Claims

1. A torso portion, An arm portion connected to the torso portion and having cuffs formed thereon, A leg portion connected to the torso portion and having leg openings formed therein, A head portion connected to the torso portion and having a head opening formed therein for passing the head therethrough, A protective garment comprising at least: Around the waist of the torso portion, a stretchable member that is stretched 1.25 to 3.3 times its natural length is joined and arranged, A plurality of the stretchable members are intermittently arranged at predetermined intervals over the entire circumference of the abdomen, The ratio of the length around the thigh to the length of the inseam is 45 to 55%, The ratio of the length of the upper thigh to the length of the underarm is 30 to 40%, The ratio of the length of the circumference of the abdomen in the natural length state of the stretchable member to the length of the chest circumference is 50 to 65%, The ratio of the length of the inseam to the length of the back length is 70 to 85%, The ratio of the length of the sleeve length to the length of the back length is 85 to 95%, The ratio of the length around the sleeve to the length of the chest circumference is 40 to 50%, A protective garment.

2. The protective garment is made of a barrier fabric, The protective garment according to Claim 1.

3. The fabric of the protective garment is at least one selected from the group consisting of non-woven fabric, resin, and a laminate including a non-woven fabric layer and a resin layer, The protective garment according to Claim 1 or 2.

4. The basis weight of the fabric of the protective clothing is 25 to 125 g / m ２ is The protective garment according to any one of Claims 1 to 3.

5. On the front of the torso portion, a fastener for attachment and detachment is provided along the vertical direction, The protective garment according to any one of Claims 1 to 4.

6. The protective garment is an airtight garment compliant with JIS T8115, The protective garment according to any one of Claims 1 to 5.

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