TW202011849A - Swimwear - Google Patents

Abstract

The present invention relates to a swimwear that is made of a stretchable fabric and covers at least the thighs and a part of the hips when worn. In the swimwear, two or more band-like constricting sections are disposed from each of the left and right hips to the thigh in the body length direction to intersect with each other, and the intersection of the two or more band-like constricting sections is located within a proximal 1/3 region of the hamstrings from the top of the hip. The swimwear can stabilize the posture in water and support the movement of the hamstrings.

Description

Swimsuit

The present invention relates to a swimsuit. In detail, the present invention relates to a swimsuit that covers at least part of the wearer's buttocks and thighs when worn.

In swimming, especially in swimming competitions, a swimsuit is required to reduce the resistance of water. As the resistance of water, there are shape resistance depending on the shape of the body. Patent Document 1 describes a swimsuit that suppresses the lowering of the waist or feet during swimming compared to the position of the upper body by providing a tight-fitting portion covering a part of the gluteus maximus and thigh muscles Shape resistance, thereby improving athletic performance. Patent Document 2 discloses a swimsuit that improves auxiliary performance by providing a tension band to ensure proper posture. The tension band extends from the outside of the thigh area to the hip area. The hip area passes through the upper hip area toward the inside and extends toward the centerline of the swimsuit. Prior technical literature Patent Literature

Patent Document 1: Japanese Patent Laid-Open No. 2014-91894 Patent Document 2: Japanese Special Publication No. 2017-525864

[Problems to be solved by the invention]

However, in the case of the swimsuits of Patent Documents 1 and 2, it is required to balance the stability of the posture in the water and the effect of supporting the movement of the thigh muscles.

In order to solve the above-mentioned problems, the present invention provides a swimsuit that can stabilize the posture in water and support the movement of the thigh muscles. [Technical means to solve the problem]

The invention relates to a swimsuit, which is composed of stretchable fabric and covers at least a part of thighs and buttocks when worn, and is characterized in that it crosses each other along the body length direction from the left and right buttocks to the thighs There are two or more belt-shaped tight-fitting portions arranged in a manner, and the intersection point of the two or more belt-shaped tight-fitting portions is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle.

In the swimsuit of the present invention, the tight-fitting portion is preferably provided in such a manner that, after the tension band is applied to the stretchable fabric constituting the body of the swimsuit, the bonding width from the tension band is larger than the tension band The belt stretchable fabric. The tension band and the band-shaped stretchable fabric are preferably located on the back side of the swimsuit. In addition, the intersection of the two or more band-shaped tight-fitting portions is preferably located in a region covering a part of the posterior thigh muscle, and more preferably in a region covering a part of the biceps femoris and/or semitendinosus muscle.

In the swimsuit of the present invention, the stretchable fabric preferably has a tensile elastic modulus measured in accordance with JIS L 1096 8.14.A in the body length direction of 140×10 ^-5 N/mm ² or more and 200×10 ^-5 N/mm ² or less. The tight-fitting portion preferably has a tensile modulus of elasticity in the body length direction measured according to JIS L 1096 8.14.A of 160×10 ^-5 N/mm ² or more and 220×10 ^-5 N/mm ² or less. Lacing strip portion of the intersection point of two or more thereof is preferably the longitudinal direction measured based on JIS L 1096 8.14.A Method of tensile elastic modulus of 220 × 10 ^-5 N / mm ² or more 420 × 10 ^{- 5} N/mm ² or less. [Effect of invention]

The present invention can provide a swimsuit that stabilizes the posture in water and supports the movement of the thigh muscles.

The present inventors have conducted intensive studies to balance the stabilization of the posture in the water obtained by the swimsuit and the effect of supporting the movement of the thigh muscles. First, the method described in Japanese Patent No. 3831348 is used to analyze the stretch of the skin on the back of the lower body during the agitation, butterfly, backstroke, and breaststroke. The results are shown in Fig. 9. (A) indicates the situation of a short stroke, (b) indicates the situation of a butterfly stroke, (c) indicates the situation of a backstroke, (d) indicates the situation of a breaststroke. In FIG. 9, 200 indicates the degree of stretching of the skin, and the more from I to II, the higher the degree of stretching of the skin. As can be seen from FIG. 9, during various swimming, the skin covering the area from the top of the buttocks to the proximal 1/3 of the posterior thigh muscles stretches more. In the swimsuit of the present invention, two or more band-shaped tight-fitting portions cross each other along the body length direction (also referred to as the height direction) from the left and right buttocks to the thighs, and the two or more band-shaped bands The intersection point of the tight-fitting part (hereinafter, also simply referred to as the "intersection point") is as shown in FIG. 10 and is located in the area from the top of the buttocks that extends from the skin during swimming to the proximal 1/3 of the posterior thigh muscles Configured in a manner that stabilizes the posture in the water and supports the movement of the thigh muscles. For example, the hip extensors including gluteus maximus, middle gluteus maximus, gluteus minimus and posterior thigh muscles, as well as semitendinosus, semimembranous muscles, gluteus maximus (lateral), and gluteus maximus ( Lateral) and the muscle load of the hip internal rotation group of the fascia muscle. The posterior thigh muscles are collectively referred to as the biceps femoris, semimembranosus, and semitendon muscles located behind the thighs (behind the lower extremities). In this specification, the term "proximal 1/3 of the posterior thigh muscle" refers to the case when the length in the height direction from the proximal end to the distal end of the posterior thigh muscle is set to 100%. The distance between the ends is 100%/3. In addition, the term "top of the buttocks" refers to a portion where the distance from the lower end of the gluteus maximus is 100%/2 when the length in the height direction from the upper end to the lower end of the gluteus maximus is set to 100% .

In the present invention, the term "stretchable fabric" means that the elongation of the fabric in the body length direction exceeds 0%. In the present invention, the elongation of the fabric is measured based on JIS L 1096 8.14.1 A method (load 17.6 N, tensile speed 200 mm/min).

The tightening part is a tightening force, that is, the tensile elastic modulus in the body length direction is higher than other parts. In the swimsuit of the present invention, the tensile elastic modulus of the tight-fitting portion is higher than that of the stretchable fabric constituting the body of the swimsuit, and in the tight-fitting portion, the tensile elastic modulus of the intersection is the highest. In the present invention, the tensile modulus of elasticity is based on the JIS L 1096 8.14.A method, specifically, the cloth piece is fixed to the tensile testing machine with a width of 5 cm and a length of 10 cm, based on the stress at 5% elongation The slope determines the tensile modulus of elasticity (N/mm ² ). The length of the cloth piece means the dimension in the direction consistent with the measurement direction. For example, in the case of measuring the tensile elastic modulus in the body length direction, the length of the cloth piece means the size of the cloth piece in the body length direction. In the case of measuring the tensile elastic modulus in the body width direction, the length of the cloth piece It means the width direction of the fabric piece.

The stretchable fabric is not particularly limited, but it is preferable that the tensile elastic modulus in the body length direction is 140×10 ^-5 N/mm ² or more and 200×10 ^-5 N/mm ² or less, more preferably 150×10. ^-5 N/mm ² or more and 190×10 ^-5 N/mm ² or less, more preferably 160×10 ^-5 N/mm ² or more and 180×10 ^-5 N/mm ² or less. If the tensile elastic modulus of the stretchable fabric is within the above range, not only the wearability of the swimsuit becomes good, but also the fitability is improved.

The stretchable fabric is not particularly limited, and stretchable fabrics commonly used in swimwear can be used. For example, a unidirectional or bidirectional woven fabric or knitted fabric containing elastic yarns is preferred. The elastic yarn is preferably at least one selected from polyurethane elastic yarns and polyester elastic yarns. The reason is: the stretchability is high, suitable for sports clothing. The elastic yarn may be used as a non-coated yarn (bare yarn) in parallel with an inelastic yarn (hard yarn), or may be used as a coated yarn covered with polyester fiber or nylon fiber. In addition, the stretchable fabric may be a double-layer fabric.

The stretchable fabric is preferably in the range of 50 g/m ² or more and 400 g/m ² or less, more preferably 80 g/m ² or more and 300 g/m ² or less, and even more preferably 100 g. /m ^{2 to} 200 g/m ² or less. As long as it is within this range, it will not cause problems such as light transmission, is in line with aesthetics, and has no sense of weight, so it has excellent wearability.

The tight-fitting portion preferably has a tensile elastic modulus in the body length direction of 160×10 ^-5 N/mm ² or more and 220×10 ^-5 N/mm ² or less. More preferably, it is 165×10 ^-5 N/mm ² or more and 200×10 ^-5 N/mm ² or less, and further preferably 170×10 ^-5 N/mm ² or more and 190×10 ^-5 N/mm ² or less. The intersection point of the tight-fitting portion is preferably a tensile elastic modulus in the body length direction of 220×10 ^-5 N/mm ² or more and 420×10 ^-5 N/mm ² or less. More preferably, it is 240×10 ^-5 N/mm ² or more and 400×10 ^-5 N/mm ² or less, and further preferably 260×10 ^-5 N/mm ² or more and 380×10 ^-5 N/mm ² or less. If the tensile elastic modulus in the body length direction of the tight portion and its intersection is within the above range, not only is the swimsuit easy to wear, but also the effect of supporting the movement of the thigh muscles, such as kicking, is improved. The tensile modulus of elasticity in the body length direction of the tight-fitting part is in a swimsuit, and a piece of fabric (width 5 cm, length 15 cm), used as a measurement sample for measurement. For example, in FIG. 1, a piece of cloth indicated by 300 is cut out and used to measure the tensile modulus of elasticity of the tight portion. In addition, the tensile modulus of elasticity in the body length direction of the intersection of the tight-fitting parts is in a swimsuit, and a piece of cloth (width 5 cm, length) including the intersection of the tight-fitting parts is cut from the portion where the intersection of the tight-fitting parts is arranged 15 cm), used as a sample for measurement. For example, in FIG. 1, a portion of the cloth indicated by 400 is cut out and used to measure the tensile modulus of elasticity at the intersection of the tight portion.

The tight-fitting portions are arranged in a band shape from the left and right buttocks to the thighs along the body length direction. As long as the tight-fitting portions are arranged from the left and right buttocks to the thighs, two or more, such as two, Three or four are sufficient, and there is no particular limitation. From the viewpoint of comfort, it is preferable that the tight-fitting portions are arranged from the left and right buttocks to the thighs. When the tight-fitting portions are arranged from the left and right buttocks to the thighs, the left and right buttocks to the thighs are substantially X-shaped.

The tight-fitting portion may also extend to the waist. Can more effectively stabilize the posture in water. The tight-fitting portion may also extend to the lower end of the swimsuit. Can more effectively stabilize the posture in water. From the viewpoint of more effectively stabilizing the posture in water, it is preferable that at least one of the tight-fitting portions is arranged to pass around the sacrum. From the viewpoint of more effectively stabilizing the posture in water and supporting the activities of the posterior thigh muscles, the intersection of the tight-fitting portion is preferably located in an area covering a part of the posterior thigh muscles, and more preferably in covering the biceps femoris And/or part of the semitendinosus muscle.

The tight-fitting portion is not particularly limited. For example, it can be provided by attaching a tension band (also called a tension band) to the body constituting the swimsuit body in such a manner that the length direction of the tension band is along the body length direction After the stretchable fabric, a band-shaped stretchable fabric having a larger width than the above-mentioned tension band is applied from above the tension band so as to cover the tension band and the longitudinal direction of the band-shaped stretchable fabric is along the body length direction. From the viewpoint of reducing the shape resistance, the tension band and the band-shaped stretchable fabric are preferably arranged on the back side (body surface side) of the swimsuit. By attaching a band-shaped stretchable fabric on the self-tensioning belt, the durability of the tight-fitting portion can be improved, and the tensioning belt can be prevented from detaching from the body of the swimsuit. For example, from the viewpoint of reducing surface friction, the tension band and the belt-shaped stretchable fabric are preferably 5 mm or more and 30 mm or less in width, and more preferably 10 mm or more and 20 mm or less. The lamination of the tension band and the band-shaped stretchable fabric is preferably carried out by using a hot-melt adhesive. The hot-melt adhesive is not particularly limited, and examples thereof include sheet type, non-woven fabric type, and liquid type.

The tension band is not particularly limited, and any of knitted fabrics and woven fabrics can be used. For example, various commercially available tension tapes can be appropriately selected and used. The above-mentioned tension band is not particularly limited, but in view of the fact that the tensile elastic modulus in the body length direction of the tight-fitting portion is easily 160×10 ^-5 N/mm ² or more and 220×10 ^-5 N/mm ² or less. , The tensile modulus of elasticity in the body length direction (the same as the length direction of the tension band) is preferably 5×10 ^-5 N/mm ² or more and 30×10 ^-5 N/mm ² or less, more preferably 10×10 ^-5 N/mm ² or more 20×10 ^-5 N/mm ² or less.

The stretchable fabric constituting the body of the swimsuit is not particularly limited, but for example, from the viewpoint of wearability and suitability, the elongation in the body length direction is preferably 15% or more and 75% or less, more preferably 20% or more 65% or less, and more preferably 25% or more and 55% or less. The stretchable fabric constituting the body of the swimsuit is not particularly limited, but for example, from the viewpoint of wearability and suitability, the elongation in the body width direction (also referred to as the circumferential direction) is preferably 30% or more and 75% or less , More preferably 35% or more and 65% or less. The belt-shaped stretchable fabric is not particularly limited, but for example, from the viewpoint of wearability and tightness, the elongation in the body length direction is preferably 30% or more and 80% or less, more preferably 35% or more and 75% Below, further preferably 40% or more and 70% or less. The above-mentioned belt-shaped stretchable fabric is not particularly limited, but for example, from the viewpoint of wearability and tightness, the elongation in the width direction is preferably 20% or more and 65% or less, more preferably 25% or more and 60% the following.

The swimsuit of the present invention may be any swimsuit as long as it covers at least part of the thighs and buttocks when worn, and the type is not particularly limited. It can also be any of the five-point tight pants type, long tight pants type (tight pants type), shorts (Short John) one-piece type, cold protection (Long John) one-piece type and full-body one-piece type.

Swimsuits are usually worn in a state of being in close contact with the wearer's body surface. In order to form a "substantially close" state, the surrounding direction is set to 50% or more and 110% or less, more preferably 70% or more and 95% or less, and the body length is set to 75% or more and 100% or less with respect to the size of the naked body of the human body Furthermore, it is preferable to form a swimsuit from 85% or more to 100% or less. Of course, there are individual differences in the size of the human body, so the above ratio is a rough value. More specifically, the size is determined according to the JASPO specifications.

The following is a diagram. 1 is a schematic diagram of the back side (body surface side) of a swimsuit according to an embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 1 is a five-point tights swimsuit for men. As shown in FIG. 1(c), two band-shaped tightening portions 2 and 3 are arranged to cross each other along the body length direction from the left and right buttocks to the thighs (hereinafter, also described as the lower body back and knees above the knee Toe), the intersection point 4 of the tight toes 2 and 3 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 2 is configured to extend from the waist, specifically, the upper end of the swimsuit 1 to the inner side of the thigh, and extend to the lower end of the swimsuit 1. The tight-fitting portion 3 is arranged to reach the inner portion of the thigh from the waist, specifically, the upper end of the swimsuit 1. From the viewpoint of more effectively supporting the activities of the posterior thigh muscles, the intersection 4 is preferably located in an area covering a part of the posterior thigh muscle, and more preferably in an area covering a part of the biceps femoris and/or semitendinosus muscle.

The tight-fitting portions 2 and 3 are respectively provided in such a manner that a tension band (not shown) is attached to the component constituting the swimsuit 1 using a hot-melt adhesive so that the length direction of the tension band is along the body length direction. After the fabric 102 of the main body, a band-shaped stretchable fabric 103 with a width wider than the tension band is covered from above the tension band to cover the above-mentioned tension band and the longitudinal direction of the band-shaped stretchable fabric 103 is along the body length direction by heat welding Adhesive for bonding. The fabric 102 constituting the back of the body of the swimsuit 1 and the fabric 101 constituting the front of the body of the swimsuit 1 are fabrics with different elongations in the body length direction. From the viewpoint of wearability and smooth movement of the knee, the fabric The elongation in the body length direction of 101 is preferably higher than the elongation in the body length direction of the cloth 102. From the viewpoint of keeping the postures of the buttocks and thigh muscles stable during swimming, the cloth 102 is preferably a double-layer cloth formed by bonding two cloths with a hot-melt adhesive.

From the viewpoint of keeping the posture around the pelvis stable, the swimsuit 1 may also have a tight-fitting portion 5 (hereinafter, also referred to as a groin tight-fitting portion), which has a low elongation rate in the body length direction The cloth 102 constitutes an area covering the groin, and is arranged in an inverted figure of eight in the area covering the peripheral edge of the groin. In addition, from the viewpoint of preventing deviation of the swimsuit at the waist, the swimsuit 1 may have a rope 6 disposed at the upper end. The groin tightening portion 5 can also be provided by attaching a tension band (not shown) to the fabric constituting the body of the swimsuit using a hot-melt adhesive with the length direction of the tension band along the body length direction After 102, use a hot-melt adhesive to stretch the belt-shaped stretchable fabric 103 with a larger width than the tension belt from above the tension band so as to cover the tension belt and the longitudinal direction of the belt-shaped stretchable fabric 103 is along the body length direction fit.

In this embodiment, the upper and lower tightness of the lower back of the lower body is tied to the left and right, but there may be 3 or more, 4 or more. From the viewpoint of wearability, it is preferable that the total number of stitches including the number of tight-fitting parts above the knees on the back of the lower body, the sewing thread, the bonding thread that fits the fabric, etc. in the circumferential direction of the hips be 9 Article below. In addition, from the viewpoint of wearability, it is preferable to include the number of tight-fitting portions above the knees on the back of the lower body, sewing thread, and fabric fitting in each circumferential direction from the crotch to the knee of the left and right thighs The total number of sutures including the next thread etc. is 4 or less.

2 is a schematic view of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 11-line men's five-point tights swimsuit. As shown in FIG. 2(c), in the swimsuit 11 of this embodiment, from the left and right buttocks to the thighs, two band-shaped tightening portions 12 and 13 are arranged along the body length direction so as to cross each other. The intersection 14 of the bundles 12 and 13 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 12 is disposed from the waist, specifically, the upper end of the swimsuit 11 to the outside of the thigh. The tight-fitting portion 13 is arranged so as to reach the inner portion of the thigh from the waist, specifically, the upper end of the swimsuit 11. The swimsuit 11 may have the same structure as the swimsuit shown in FIG. 1 except for the arrangement of the tightening portions 12 and 13 and the intersection 14 of the tightening portions 12 and 13.

3 is a schematic view of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 21 is a five-point tights swimsuit for men. As shown in FIG. 3(c), in the swimsuit 21 of this embodiment, from the left and right buttocks to the thighs, two band-shaped tightening portions 22 and 23 are arranged along the body length direction so as to cross each other. The intersection point 24 of the bundles 22 and 23 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 22 is configured to extend from the waist, specifically, the upper end of the swimsuit 21 to the outer side of the thigh, and extend to the lower end of the swimsuit 21. The tight-fitting portion 23 is arranged to reach the inner portion of the thigh from the waist, specifically, the upper end of the swimsuit 21. The swimsuit 21 may have the same configuration as the swimsuit shown in FIG. 1 except for the arrangement of the tight-fitting portions 22 and 23 and the intersection 24 of the tight-fitting portions 22 and 23.

In the swimsuit 21 of this embodiment, from the viewpoint of smoothing the movement of the knee, in the area covering the thighs, the fabric 104 constituting the area sandwiched by the tightening portion 22 and the tightening portion 23 Preferably, the elongation in the body length direction is higher than that of the cloth 102. In other embodiments, the fabric constituting the region sandwiched by the tight-fitting portion 22 and the tight-fitting portion 23 may be one having a higher elongation in the body length direction than the fabric 102.

4 is a schematic view of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 31 is a five-point tights swimsuit for men. As shown in FIG. 4(c), in the swimsuit 31 of this embodiment, from the left and right buttocks to the thighs, two band-shaped tightening portions 32 and 33 are arranged to cross each other along the body length direction. The intersection point 34 of the bundles 32 and 33 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 32 is configured to extend from the waist, specifically, the upper end of the swimsuit 31 to the inner side of the thigh, and extend to the lower end of the swimsuit 31. The left and right tightening portions 32 cross at the center of the upper portion of the buttocks. The tight-fitting portion 33 is arranged to reach the inner portion of the thigh from the waist, specifically, the upper end of the swimsuit 31. The swimsuit 31 may have the same configuration as the swimsuit shown in FIG. 1 except for the arrangement of the tight-tie portions 32 and 33 and the intersection 34 of the tight-tie portions 32 and 33.

5 is a schematic diagram of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. The swimsuit 41 is a five-point tight type for women. As shown in FIG. 5(c), two strip-shaped tightening portions 42 and 43 are arranged to cross each other along the body length direction from the left and right buttocks to the thighs, and the intersection point 44 of the tightening portions 42 and 43 is located From the top of the buttocks to the proximal 1/3 of the posterior thigh muscles. The tight-fitting portion 42 is arranged to reach the inner portion of the thigh from the waist and extend to the lower end of the swimsuit 41. The tight-fitting portion 43 is arranged to reach the inner portion of the thigh from the waist. From the viewpoint of more effectively supporting the activities of the posterior thigh muscles, the intersection 44 is preferably located in an area covering a part of the posterior thigh muscle, and more preferably in an area covering a part of the biceps femoris and/or semitendinosus muscle.

The tightening portions 42 and 43 are respectively provided by attaching a tension band (not shown) to the body constituting the swimsuit 41 with a hot-melt adhesive so that the length direction of the tension band is along the body length direction After the fabric 102, a belt-shaped stretchable fabric 103 with a wider width than the tension band is applied from above the tension belt to cover the tension belt and the longitudinal direction of the belt-shaped stretchable fabric is along the body length direction using hot-melt adhesive Do the fitting. In the swimsuit 41, the fabrics 101 and 102 are the same as those explained in the swimsuit 1 shown in FIG.

From the viewpoint of stabilizing the posture from the trunk to the pelvis, the swimsuit 41 preferably uses the fabric 102 having a relatively low elongation in the body length direction to form an area covering the groin and the lower abdomen. In addition, it may have a groin tightening portion 35 arranged in an inverted figure in a region covering the peripheral portion of the groin portion. In addition, the swimsuit 41 may have a side tightening portion 36 disposed on the side of the swimsuit. The groin tightening portion 35 and the lateral tightening portion 36 may also be provided in such a manner that a tension band (not shown) is bonded with a hot-melt adhesive so that the length direction of the tension band is along the body length direction After reaching the fabric 102 constituting the body of the swimsuit, a belt-shaped stretchable fabric 103 with a wider width than the tension belt is covered from above the tension band so as to cover the tension belt and the longitudinal direction of the belt-shaped stretchable fabric 103 is along the body length direction Use hot melt adhesive for bonding.

In this embodiment, there are two left and right tightening parts above the knees on the back of the lower body, but it may be 3 or more, 4 or more. From the viewpoint of wearability, it is preferable that the total number of stitches including the number of tight-fitting portions above the knees on the back of the lower body, the sewing thread, the bonding thread that fits the fabric, etc. in the circumferential direction of the hips be 11 Article below. In addition, from the viewpoint of wearability, it is preferable to include the number of tight-fitting portions above the knees on the back of the lower body, sewing thread, and fabric fitting in each circumferential direction from the crotch to the knee of the left and right thighs The total number of sutures including the next thread etc. is 4 or less.

6 is a schematic view of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. The swimsuit 51 is a five-point tights swimsuit for women. As shown in FIG. 6(c), in the swimsuit 51 of this embodiment, two band-shaped tightening portions 52 and 53 are arranged to cross each other along the body length direction from the left and right buttocks to the thighs. The intersection point 54 of the bundles 52 and 53 is located from the top of the hip to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 52 is arranged from the waist to the outside of the thigh. The tight-fitting portion 53 is arranged to reach the inner portion of the thigh from the waist. The swimsuit 51 may have the same configuration as the swimsuit shown in FIG. 5 except for the arrangement of the tight-fitting portions 52 and 53 and the intersection 54 of the tight-fitting portions 52 and 53.

7 is a schematic view of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 61 is a five-point tights swimsuit for women. As shown in FIG. 7(c), in the swimsuit 61 of this embodiment, from the left and right buttocks to the thighs, two band-shaped tightening portions 62 and 63 are arranged along the body length direction so as to cross each other. The intersection point 64 of the bundles 62 and 63 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscles. The tight-fitting portion 62 is configured to reach the outer side of the thigh from the waist and extend to the lower end of the swimsuit 61. The tight-fitting portion 63 is arranged to reach the inner portion of the thigh from the waist. The swimsuit 61 may have the same configuration as the swimsuit shown in FIG. 5 except for the arrangement of the tight-fitting portions 62 and 63 and the intersection 64 of the tight-fitting portions 62 and 63.

In the swimsuit 61 of this embodiment, from the viewpoint of smoothing the movement of the knee, in the area covering the thighs, the fabric 104 that constitutes the area sandwiched by the tightening portion 62 and the tightening portion 63 Preferably, the elongation in the body length direction is higher than that of the cloth 102. In other embodiments, the fabric constituting the region sandwiched by the tight-fitting portion 22 and the tight-fitting portion 23 may be one having a higher elongation in the body length direction than the fabric 102.

8 is a schematic diagram of the back side (body surface side) of a swimsuit according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, and (c) is a rear view. Swimsuit 71 is a five-point tights swimsuit for women. As shown in FIG. 8(c), in the swimsuit 71 of this embodiment, from the left and right buttocks to the thighs, two band-shaped tightening portions 72 and 73 are arranged along the body length direction so as to cross each other. The intersection point 74 of the bundles 72 and 73 is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscle. The tight-fitting portion 72 is configured to reach the inner portion of the thigh from the waist and extend to the lower end of the swimsuit 71. The left and right tightening parts 72 cross at the center of the upper part of the buttocks. The tight-fitting portion 73 is arranged to reach the inner portion of the thigh from the waist. The swimsuit 71 may have the same structure as the swimsuit shown in FIG. 5 except for the arrangement of the tight-fitting portions 72 and 73 and the intersection 74 of the tight-fitting portions 72 and 73.

The swimsuit shown in FIGS. 1 to 8 is a preferred form, and the tight-fitting portion is arranged on the back side (body surface side) of the swimsuit, but the swimsuit of the present invention is not limited to this. For example, all or part of the tight-fitting portion may be arranged on the front side of the swimsuit if necessary. Examples

Hereinafter, embodiments of the present invention will be described, but the present invention is not limited to this.

In the examples and comparative examples, the following fabrics were used. Cloth 101: Woven fabric of plain weave fabric, weight per unit area is 133 g/m ² , the fiber composition of the woven fabric is 65% nylon fiber and 35% polyurethane elastic fiber. The warp yarn is made of nylon fiber (fineness: 33 dtex, number of filaments: 10) coated with polyurethane elastic fiber (fineness: 78 dtex). The weft yarn is made of nylon fiber (fineness: 33 dtex, number of filaments: 10) coated with polyurethane elastic fiber (fineness: 55 dtex). The density (number of weaving threads) is 188 warps/inch and 182 weft threads/inch. Use the fabric with warp yarns along the circumferential direction. The elongation of the fabric 101 in the body length direction is 41.7%, and the elongation in the body width direction is 35.2%. Fabric 102: Use double-layer fabric. The fabric on the front side is a woven fabric composed of a plain weave fabric and a double-layer fabric. The weight per unit area is 138 g/m ^2. The fiber composition of the woven fabric is 65% nylon fiber and 35% polyurethane elastic fiber. The warp yarn is made of nylon fiber (fineness: 33 dtex, number of filaments: 10) coated with polyurethane elastic fiber (fineness: 78 dtex). The weft yarn is made of nylon fiber (fineness: 33 dtex, 10 filaments) coated with polyurethane elastic fiber (fineness: 55 dtex) and nylon fiber (fineness: 33 dtex, filament) Quantity 10) Yarn covered with polyurethane elastic fiber (fineness: 44 dtex). The density (number of weaving threads) is 184 warps/inch and 188 weft threads/inch. The inner fabric is a woven fabric of plain weave fabric with a unit weight of 114 g/m ^2. The fiber composition of the woven fabric is 66% nylon fiber and 34% polyurethane elastic fiber. The warp yarn is made of nylon fiber (fineness: 24 dtex, number of filaments: 7) coated with polyurethane elastic fiber (fineness: 55 dtex). The weft yarn is made of nylon fiber (fineness: 24 dtex, 7 filaments) covered with polyurethane elastic fiber (fineness: 44 dtex). The density (number of woven threads) is 219 warps/inch and 187 wefts/inch. A double-layer cloth obtained by bonding the front cloth and the back cloth with a hot-melt adhesive (manufactured by UTAX, trade name "J861") to the cloth ends was used as the cloth 102. Furthermore, both the front side cloth and the back side cloth are used with warp yarns along the circumferential direction. The elongation of the fabric 102 in the body length direction is 30.9%, and the elongation in the body width direction is 56.8%. Cloth 103: Woven fabric of plain weave, with a weight per unit area of 140 g/m ^2. The fiber composition of the woven fabric is 63% of nylon fiber and 37% of polyurethane elastic fiber. The warp yarn is made of nylon fiber (fineness: 33 dtex, number of filaments: 10) coated with polyurethane elastic fiber (fineness: 78 dtex). The weft yarn is a nylon fiber (fineness: 33 dtex, 10 filaments) coated with polyurethane elastic fiber (fineness: 55 dtex). The density (number of woven threads) is 178 warps/inch and 180 wefts/inch. Use the fabric with warp yarns along the circumferential direction. The elongation of the fabric 103 in the body length direction is 56.2%, and the elongation in the body width direction is 46.2%. In addition, the elongation of the fabric is measured based on JIS L 1096 8.14.1 A method (load 17.6 N, tensile speed 200 mm/min).

(Example 1) Using cloth 101, cloth 102, and 103, the five-piece tight-fitting swimsuit for men 1 (JASPO size M size) shown in FIG. 1 was produced. As shown in FIG. 1(c), it is arranged in such a manner that the band-shaped tight-fitting portions 2 and 3 cross each other along the body length direction from the left and right buttocks to the thigh 2 and the tight-fitting portions 2 and 3 Intersection 4 is located from the top of the hip to the proximal 1/3 of the posterior thigh muscle. Specifically, the tight-fitting portion 2 is configured to extend from the waist, specifically, the upper end of the swimsuit 1 to the inner side of the thigh, and extend to the lower end of the swimsuit 1. The tight-fitting portion 3 is arranged to reach the inner portion of the thigh from the waist, specifically, the upper end of the swimsuit 1. The intersection point 4 is arranged so as to be located from the lower edge of the buttocks to the vicinity of the hip groove. The "lower edge of the buttocks" here refers to the portion where the distance from the lower end is 100%/4 when the length in the height direction from the upper end to the lower end of the gluteus maximus is set to 100%. The tight-fitting sections 2 and 3 are provided by first setting a tension band ("RF-6200" manufactured by San Chemicals Co., Ltd.), a woven fabric made of polyester fiber, with a width of 10 mm and a body length The elastic modulus in the direction is 17.5×10 ^-5 N/mm ² ) After the longitudinal direction is along the body length direction, the hot melt adhesive is applied to the back side (body surface side) of the fabric 102, and then from above the tension band The fabric 103 cut into a strip having a width of 20 mm is bonded with a hot-melt adhesive so as to cover the tension band and the longitudinal direction of the strip-shaped stretchable fabric 103 is along the body length direction. The tightening portion 5 disposed in the area covering the groin portion is also provided in the same manner as the tightening portions 2 and 3. In the circumferential direction of the buttocks of the swimsuit of Example 1, the total number of stitches including the number of tight-fitting portions above the knees on the back of the lower body, sewing threads, and bonding threads to the fabric was 9 in total. In addition, in the circumferential direction of the left and right thighs from the hips to the knees of the swimsuit of Example 1, the number of the tightening parts above the knees on the back of the lower body, the sewing thread, and the bonding thread of the fabric are included The total number of stitches is 4 or less.

(Example 2) Using cloth 101, cloth 102, and 103, the five-piece tight-fitting swimsuit 41 for women (JASPO size M size) as shown in FIG. 5 was produced. As shown in FIG. 5(c), it is arranged in such a manner that the two band-shaped tightening portions 42 and 43 cross each other along the body length direction from the left and right buttocks to the thighs, and the tightening portions 42 and 43 The intersection point 44 is located from the top of the hip to the proximal 1/3 of the posterior thigh muscle. Specifically, the tight-fitting portion 42 is arranged to reach the inner portion of the thigh from the waist and extend to the lower end of the swimsuit 41. The tight-fitting portion 43 is arranged to reach the inner portion of the thigh from the waist. The intersection 44 is arranged from the lower edge of the hip to the vicinity of the hip groove. The tight-fitting portions 42 and 43 are manufactured by first pulling a tension band ("RF-6200" manufactured by San Chemicals Co., Ltd.), a woven fabric made of polyester fiber, with a width of 10 mm and a body length The elastic modulus in the direction is 17.5×10 ^-5 N/mm ² ) After the longitudinal direction is along the body length direction, the hot melt adhesive is applied to the back side (body surface side) of the fabric 102, and then from above the tension band The fabric 103 cut into a strip having a width of 20 mm is bonded with a hot-melt adhesive so as to cover the tension band and the longitudinal direction of the strip-shaped stretchable fabric 103 is along the body length direction. The tightening portion 35 disposed on the area covering the groin portion and the side tightening portion 36 disposed on the side of the swimsuit are also provided in the same manner as the tightening portions 42 and 43. In the circumferential direction of the buttocks of the swimsuit of Example 2, the total number of stitches including the number of tight-fitting portions above the knees on the back of the lower body, sewing thread, and adhesive thread to the fabric was 11 in total. In addition, in the circumferential direction of the left and right thighs from the hips to the knees of the swimsuit of Example 2, the number of the tightening parts above the knees on the back of the lower body, the sewing thread, and the bonding thread of the fabric are included The total number of stitches is 4.

(Comparative example 1) Using the fabric 101, the fabrics 102, and 103, a five-piece tight-fitting swimsuit 81 for men (JASPO size M size) as shown in FIG. 11 was produced. As shown in FIG. 11( c ), the two band-shaped tightening portions 82 and 83 from the left and right buttocks to the thighs are arranged so as not to cross each other along the body length direction. The tight-fitting portion 82 is arranged to reach the inner side of the thigh from the waist, specifically the upper end of the swimsuit 81, and the tight-fitting portion 83 is arranged to reach the inner side of the thigh from the upper end of the swimsuit 81 And extend to the lower end of the swimsuit 81. The swimsuit of Comparative Example 1 has the same configuration as the swimsuit of Example 1 except for the arrangement of the tightening portions 82 and 83.

(Comparative example 2) Using the fabric 101, the fabrics 102 and 103, a five-piece tights swimsuit 91 for women (JASPO size M size) as shown in FIG. 12 is produced. As shown in FIG. 12( c ), the two band-shaped tightening portions 92 and 93 from the left and right buttocks to the thighs are arranged so as not to cross each other along the body length direction. The tight-fitting portion 92 is configured to reach the inner portion of the thigh from the waist, and the tight-fitting portion 93 is configured to reach the inner portion of the thigh from the waist and extend to the lower end of the swimsuit 91. The swimsuit of Comparative Example 2 has the same configuration as the swimsuit of Example 2 except for the arrangement of the tightening portions 92 and 93.

From the swimsuit 1, as shown in FIG. 1(c), cut a cloth piece 300 (for measuring the tensile elastic modulus of the tight-fitting part) with a width of 5 cm and a length of 15 cm, and a width of 5 cm and a length of 15 cm Fabric piece 400 (used to measure the tensile modulus of elasticity at the intersection), fabric piece 500 with a width of 5 cm and a length of 15 cm (used to measure the tensile modulus of elasticity of other parts), to measure the stretchable fabric, the tight portion and The tensile modulus of elasticity at the intersection's body length. From the swimsuit 81, as shown in FIG. 11, a fabric piece 600 (two tight portions) having a width of 5 cm and a length of 15 cm was cut in such a manner as to include two tight portions, and the tensile elastic modulus was measured.

(Measurement of tensile modulus of elasticity) Based on JIS L 1096 8.14.A method, specifically, the fabric piece is fixed to a tensile tester so that it has a width of 5 cm and a length of 10 cm, based on the stress at 5% elongation The slope determines the tensile elastic modulus (N/mm ² ) in the body length direction.

[Table 1]

From the data in Table 1, it can be seen that the tensile modulus of elasticity in the body length direction of the intersection of the two tight-fitting parts arranged in the area where the skin is easily stretched is higher than the body length when the two tight-fitting parts that do not cross are included The tensile elastic modulus in the direction can stabilize the posture in water and effectively support the movement of the thigh muscles.

Eight male college students of the highest level in the Japan National Competition were allowed to wear the swimsuit of Example 1 and the swimsuit of Comparative Example 1, and the time under 12.5m SLD (Streamline Drill) was measured. In addition, 6 female college students of the upper level of the Japan National Competition were allowed to wear the swimsuits of Example 2 and Comparative Example 2, and the time under 15m SLD was measured. The results are shown in Tables 2 and 3 below.

[Table 2]

[table 3]

From the results of Tables 2 and 3 above, it can be seen that the case of wearing the swimsuit of the example is faster than the case of wearing the swimsuit of the comparative example, which can effectively support the activities of the thigh muscles, specifically underwater Keep your posture.

The methods described in Japanese Patent No. 5920724 and Japanese Patent No. 3831348 were used to evaluate the hip joint extensor muscle group and hip joint internal rotation muscle group when swimming in the swimsuits of Example 1 and Comparative Example 1 (during a swim). Muscle tone and the results are shown in Table 4 below. Hip extensors include gluteus maximus, gluteus maximus, gluteus minor and posterior thigh muscles, hip rotator muscles include semitendinosus, semimembranous muscles, gluteus maximus (lateral), gluteus maximus (lateral) And widened fascia muscles.

[Table 4]

From the data in Table 4, it can be seen that when the swimsuit of the embodiment is worn and the swimsuit of the comparative example, the muscle tension of the hip extensor muscle group and the hip internal rotator muscle group during the short swimming movement is smaller, by From the left and right buttocks to the thighs, the two band-shaped tightening parts cross each other along the length of the body, and the intersection of the two or more band-shaped tightening parts is located from the top of the buttocks to the proximal side of the posterior thigh muscle 1/ It is arranged in a way between 3 and supports the back muscles of the thighs, and further supports the hip extensor muscle group and the hip joint internal rotation muscle group. [Industry availability]

The swimsuit of the present invention is particularly suitable for swimsuits for competitive swimming.

1, 11, 21, 31, 41, 51, 61, 71, 81, 91: swimwear 2, 3, 12, 13, 22, 23, 32, 33, 42, 43, 52, 53, 62, 63, 72, 73, 82, 83, 92, 93: (above the back knee of the lower body) 4, 14, 24, 34, 44, 54, 64, 74: (above knees on the back of lower body) 5.35: (Groove part) Tightening part 6: Rope 36: Side tight section 101, 102, 103, 104: fabric 200: degree 300, 400, 500, 600: cloth piece

1 is a schematic view of the inner side (body surface side) of a swimsuit (male skinny pants type) according to an embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is a rear view. FIG. 2 is a schematic diagram of the inner side (body surface side) of a swimsuit (male skinny pants type) according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. Fig. 3 is a schematic diagram of the back side (body surface side) of a swimsuit (male skinny pants type) according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. FIG. 4 is a schematic diagram of the inner side (body surface side) of a swimsuit (male skinny pants type) according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. FIG. 5 is a schematic diagram of the back side (body surface side) of a swimsuit (female skinny pant type) according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. FIG. 6 is a schematic diagram of the back side (body surface side) of a swimsuit (fifth-quarter tights type for women) of another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. FIG. 7 is a schematic diagram of the back side (body surface side) of a swimsuit (female skinny pant type) according to another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. FIG. 8 is a schematic diagram of the back side (body surface side) of a swimsuit (fifths tights for women) of another embodiment of the present invention, and (a) is a front view, (b) is a right side view, (c) is Rear view. Fig. 9 is a schematic diagram showing the stretching of the skin from the knee to the waist on the back of the lower body during swimming, and (a) is the case of agitation, (b) is the case of butterfly stroke, (c) is the case of backstroke, ( d) The case of breaststroke. Fig. 10 is a partial schematic view from the knee to the waist of the back of the lower body, and shows the position of the intersection of two or more band-shaped tightening portions. Fig. 11 is a schematic diagram of the back side (body surface side) of the swimsuit (male skinny pants type for Comparative Example 1), and (a) is a front view, (b) is a right side view, and (c) is a rear view. Fig. 12 is a schematic diagram of the back side (body surface side) of the swimsuit (five-point tights for women) of Comparative Example 2, and (a) is a front view, (b) is a right side view, and (c) is a rear view.

1: swimsuit

2, 3: (above the knee on the back of the lower body)

4: (above the knees on the back of the lower body)

5: (Groo) Tightening Department

6: Rope

101, 102, 103: cloth

300, 400, 500: cloth piece

Claims (10)

A swimsuit composed of stretchable fabric and covering at least part of the thighs and buttocks when worn, characterized by: From the left and right buttocks to the thighs, two or more band-shaped tightening portions are arranged along the body length direction so as to cross each other, and The intersection point of the two or more band-shaped tight-fitting parts is located from the top of the buttocks to the proximal 1/3 of the posterior thigh muscles. The swimsuit according to claim 1, wherein the tight-fitting portion is provided by attaching a tension band to the stretchable fabric constituting the body of the swimsuit, and then applying a width greater than the tension from above the tension band With large stretchable fabric. The swimsuit according to claim 2, wherein the tension band and the band-shaped stretchable fabric are located on the back side of the swimsuit. The swimsuit according to claim 1, wherein the intersection point of the two or more band-shaped tight-fitting portions is located in an area covering a part of the posterior thigh muscle. The swimsuit according to claim 4, wherein the intersection point of the two or more band-shaped tight-fitting portions is located in an area covering a part of the biceps femoris and/or semitendon. The swimsuit according to any one of claims 1 to 5, wherein the stretchable fabric is a tensile modulus of elasticity measured in accordance with JIS L 1096 8.14.A in the body length direction of 140×10 ^-5 N/mm ² or more and 200×10 ^-5 N/mm ² or less. The swimsuit according to any one of claims 1 to 5, wherein the tight-fitting portion is a tensile modulus of elasticity in the lengthwise direction of 160×10 ^-5 N/mm measured according to JIS L 1096 8.14.A ² or more 220×10 ^-5 N/mm ² or less. The swimsuit according to any one of claims 1 to 5, wherein the intersection point of the two or more band-shaped tight-fitting portions is the tensile modulus of elasticity in the body length direction measured according to JIS L 1096 8.14.A 220×10 ^-5 N/mm ² or more 420×10 ^-5 N/mm ² or less. The requested item of the swimsuit 6, wherein said narrower portion is based on body length direction of stretching measured Method of JIS L 1096 8.14.A elastic modulus of 160 × 10 ^-5 N / mm ² or more 220 × 10 ^{- 5} N/mm ² or less. The swimsuit as described in claim 6, wherein the intersection point of the two or more band-shaped tight portions is based on the JIS L 1096 8.14.A method and the tensile modulus of elasticity in the body length direction is 220×10 ^-5 N /mm ² or more 420×10 ^-5 N/mm ² or less.

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