Sports socks

Abstract

To provide sports socks capable of preventing misalignment between a shoe and a foot during a switch-back action when playing sports.SOLUTION: The sports socks comprises a sock body and an anti-slip part arranged on a front side of the sock body. The anti-slip part includes a first anti-slip part arranged on the front side of a sole, covering an area from a thenar to a hypothenar of a forefoot part of the sock body. A longer direction of the first anti-slip part has a plurality of first inner anti-slip parts radially arranged in a fan shape, extending inward from an origin part, in the area covering a second metatarsal bone, a third metatarsal bone, and a fourth metatarsal bone. The longer direction has a plurality of first outer anti-slip parts radially arranged in the fan shape, extending outward from the origin part.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to sports socks, and more particularly to sports socks that can prevent slippage between the shoe and the foot during a turning motion in sports. [Background technology]

[0002] Socks are typically worn to protect and warm the feet, but socks (feet) can slip inside shoes, and methods to prevent this have been studied. For example, Patent Document 1 describes providing an anti-slip member on the outer surface of the sole to prevent the sole from slipping when wearing socks during exercise such as running or jumping. Specifically, Patent Document 2 describes providing a plurality of anisotropic first anti-slip members on the outer surface of the forefoot portion of the sock body and a plurality of anisotropic second anti-slip members on the outer surface of the rearfoot portion of the sock body to improve explosive power in lateral and rotational movements during exercise. Patent Document 3 proposes anti-slip socks that have an instep portion with an instep anti-slip portion that has multiple protrusions and forms an anti-slip pattern on the instep side to prevent slippage between the shoe and the foot, and a sole portion with a sole anti-slip portion that has multiple protrusions and forms an anti-slip pattern on the sole side. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-2080 [Patent Document 2] International Publication No. 2019 / 172249 [Patent Document 3] Patent Publication No. 2021-55210 Summary of the Invention [Problem to be solved by the invention]

[0004] However, Patent Document 1 does not consider preventing slippage between the shoe and the foot during a turn in sports. Also, in the case of the socks described in Patent Document 2, there is a need to further improve slippage between the shoe and the foot during a turn in sports.

[0005] SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, the present invention provides sports socks that can prevent slippage between the shoe and the foot during a turn while playing sports. [Means for solving the problem]

[0006] The present invention relates to a sports sock that includes a sock body and an anti-slip portion arranged on the outer side of the sock body, wherein the anti-slip portion includes a first anti-slip portion arranged on the outer side of the sock body in an area of ​​the sole of the forefoot that covers from the ball of the big toe to the ball of the little toe, and the first anti-slip portion includes a plurality of first inner anti-slip portions that are arranged in a fan-shaped radial pattern from an origin in the area that covers the second, third, and fourth metatarsal bones toward the inside, and a plurality of first outer anti-slip portions that are arranged in a fan-shaped radial pattern from the origin toward the outside. [Effects of the Invention]

[0007] Wearing the socks of the present invention can prevent slippage between the shoes and the feet when turning around in sports. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram of a sports sock (for the left foot) according to an embodiment of the present invention, laid flat, showing the front side from the sole side. [Figure 2] 1 is a partial schematic diagram of the front side of a sports sock (for the left foot) according to an embodiment of the present invention, viewed from the instep side, when laid flat. [Figure 3] FIG. 10 is a schematic diagram of the front side of a sports sock (for the left foot) according to another embodiment of the present invention, when laid flat, as viewed from the sole side. [Figure 4] FIG. 10 is a schematic diagram of the front side of a sports sock (for the left foot) according to another embodiment of the present invention, when laid flat, viewed from the heel side. [Figure 5] 1 is a partial schematic diagram of the front side of a sports sock (for the left foot) according to an embodiment of the present invention, when laid flat, viewed from the sole side. [Figure 6] 1 is a partial schematic diagram of the front side of a sports sock (for the left foot) according to an embodiment of the present invention, when laid flat, viewed from the sole side. [Figure 7] 1 is a schematic perspective view of a state in which a sports sock (for the left foot) according to an embodiment of the present invention is worn. FIG. [Figure 8] FIG. 10 is a schematic diagram showing the positions of markers attached to spikes when measuring foot pressure with a force plate. [Figure 9] 1 is a graph showing the magnitude and direction of shear force measured from the ground reaction force when performing a 45-degree turn in soccer, as well as the position of the center of foot pressure. [Figure 10] 1 is a graph showing the magnitude and direction of shear force measured from the ground reaction force when performing a 180-degree turn in soccer, as well as the position of the center of foot pressure. [Figure 11] FIG. 1 is a schematic diagram showing the positions of markers attached to spikes when measuring the misalignment between the shoe and the foot. [Figure 12] FIG. 1 is a schematic diagram of the front side of the sports sock (for the left foot) used in Comparative Example 1, viewed from the sole side when laid flat. [Figure 13] FIG. 2 is a schematic diagram showing the front side of the sports sock (for the left foot) used in Comparative Example 1, when laid flat, as viewed from the instep side. DETAILED DESCRIPTION OF THE INVENTION

[0009] The inventors have conducted extensive research into preventing slippage between shoes and feet (socks) during turning movements in sports. As a result, they have discovered that slippage between shoes and feet during turning movements in sports can be prevented by providing a plurality of first inner anti-slip portions and a plurality of first outer anti-slip portions that are arranged radially in a fan shape with their longitudinal direction oriented in a predetermined direction at predetermined locations on the forefoot of the sock, based on the magnitude and direction of shear force during these movements and the position of the center of foot pressure.

[0010] We investigated the magnitude and direction of shear force and center of foot pressure during a turn in sports, specifically, a 45-degree turn and a 180-degree turn in soccer. Four experienced athletes were selected as subjects. Markers 1 through 8 were attached to the designated positions on their cleats as shown in Figure 8. They wore the cleats with non-slip socks. The magnitude and direction of shear force and center of foot pressure during the above movements were measured with a floor reaction force meter, and the positions of markers 1 through 8 were measured with a motion capture system. The results are shown in Figures 9 and 10. Figures 9 and 10 are graphs plotting vectors representing the center of foot pressure and the magnitude and direction of shear force every 0.01 seconds. In Figures 9 and 10, black circles 1 through 8 represent markers 1 through 8 attached to the cleats, respectively. The direction of the arrow indicates the direction of the floor reaction force (shear force), and the length of the arrow indicates the magnitude of the floor reaction force (shear force). As can be seen from Figures 9 and 10, during a 45-degree turn and a 180-degree turn, large forces are applied laterally (widthwise) and diagonally upward and downward to the area covering the ball of the big toe to the ball of the little toe, and the center of foot pressure is concentrated in the area covering the second, third, and fourth metatarsals.

[0011] In one or more embodiments, the present invention provides, based on the above data, a first anti-slip portion comprising a plurality of first inner anti-slip portions and a plurality of first outer anti-slip portions arranged radially in a fan shape, with their longitudinal directions aligned horizontally (widthwise), diagonally upward, or diagonally downward, from an origin in an area corresponding to the center of foot pressure during turns in sports, particularly during 45-degree and 180-degree turns, on the front side of the sole of the forefoot, covering the ball of the big toe to the ball of the little toe. This first anti-slip portion effectively prevents slippage of the foot from the shoe during turns in sports. If the foot slips and slippage occurs during turns in sports, it will be difficult to perform a quick turn and will result in a decrease in performance. However, by wearing the sports sock of the present invention, slippage of the foot from the shoe during turns in sports such as soccer, badminton, and tennis can be effectively prevented, thereby preventing a decrease in performance, and particularly preferably, slippage of the foot from the shoe during turns in soccer can be effectively prevented, thereby preventing a decrease in performance.

[0012] In this specification, the outer side corresponds to the little toe side, the inner side corresponds to the big toe side, the upper side corresponds to the toe side, the lower side corresponds to the heel side, the back side corresponds to the side that comes into contact with the foot, and the front side corresponds to the side opposite to the side that comes into contact with the foot.

[0013] The sports sock includes a sock body and an anti-slip part disposed on the outer side of the sock body.

[0014] The sock body includes a foot portion and a leg portion. The foot portion may include a forefoot portion, a midfoot portion, and a rearfoot portion. The length of the leg portion (length of the leg portion or length from the heel) is not particularly limited. For example, it may be a short type that covers the ankle, a mid-length type that is above the ankle and below the knee, or a long type that is above the knee. The short and mid-length types can be worn in combination with calf stockings (also called separate types).

[0015] In the forefoot part of the sock body, the toe part may be a normal type with no separated toes, but from the viewpoint of making it easier to brace the foot during sports movements, it may also be a tabi type with the big toe separated or a five-toe type with the five toes separated.

[0016] From the viewpoint of stretchability, the sock body is preferably made of fiber yarns including elastic yarns. The elastic yarns preferably include at least one selected from the group consisting of polyurethane-based elastic yarns and polyester-based elastic yarns. This is because they have high stretchability and are suitable for socks. The elastic yarns may be used as bare yarns (bare yarns) in combination with non-elastic yarns (rigid yarns), or as covered yarns whose surfaces are covered with polyester fibers, nylon fibers, acrylic fibers, wool, cotton, etc.

[0017] The anti-slip portion includes an anisotropic first anti-slip portion disposed on the front side of the sole of the forefoot portion of the sock body in an area covering the area from the ball of the big toe to the ball of the little toe. In this specification, "anisotropic" means that the anti-slip portion does not have an isotropic shape, but has a longitudinal direction and a width direction perpendicular to the longitudinal direction. The planar shape of the anti-slip portion is not particularly limited as long as it is an anisotropic shape, and examples include a square, pentagon, hexagon, and irregular shape.

[0018] The first anti-slip portion includes a plurality of anisotropic first medial anti-slip portions whose longitudinal directions are arranged in a fan-shaped radial pattern from an origin in a region covering the second, third, and fourth metatarsals toward the inside. As a result, all of the first ends of the plurality of anisotropic first medial anti-slip portions are located at the origin corresponding to the center of foot pressure during turns in sports, and the longitudinal directions of the plurality of anisotropic first medial anti-slip portions correspond to the direction of shear force during turns in sports, effectively preventing slippage of the foot inside the shoe during turns in sports.

[0019] The number of the first inner anti-slip portions is not particularly limited as long as it is plural, but may be 2 or more, or 3 or more. From the viewpoints of suppressing slippage of the foot inside the shoe during turning movements in sports, effectively preventing the foot from slipping, and improving wearability, the number may be 2 to 10, 2 to 8, or 3 to 6.

[0020] To facilitate maintaining the stretchability of the sock body, each of the first inner anti-slip portions may branch into two or more or two to four branches along the way, and each branch may be divided into two or more or two to six branches in the longitudinal direction. Each of the first inner anti-slip portions may have a constant width or a variable width over its entire length. For example, each of the first inner anti-slip portions may have the smallest width at a first end located at the starting point and increase in width toward the center.

[0021] From the viewpoint of more effectively suppressing slippage of the foot inside the shoe during turning movements in sports and preventing the foot from slipping, it is preferable that the first medial anti-slip portion includes one or more first medial lower anti-slip portions arranged so that their longitudinal directions are oblique from the starting portion toward the medial lower part, and one or more first medial upper anti-slip portions arranged so that their longitudinal directions are oblique from the starting portion toward the medial upper part. The first medial anti-slip portion may also include one or more first medial lateral anti-slip portions arranged so that their longitudinal directions are along the width direction from the starting portion toward the medial side.

[0022] The first anti-slip portion also includes a plurality of anisotropic first outer anti-slip portions whose longitudinal directions are arranged radially in a fan shape from the starting portion outward, such that all first ends of the plurality of anisotropic first outer anti-slip portions are located at the starting portion corresponding to the center of foot pressure during turns in sports, and the longitudinal directions of the plurality of anisotropic first outer anti-slip portions correspond to the direction of shear force during turns in sports, effectively preventing slippage of the foot inside the shoe during turns in sports.

[0023] The number of the first outer anti-slip portions is not particularly limited as long as it is plural, but may be 2 or more, or 3 or more. From the viewpoints of suppressing slippage of the foot inside the shoe during turning movements in sports, effectively preventing the foot from slipping, and improving wearability, the number may be 2 to 10, 2 to 8, or 3 to 6.

[0024] To facilitate maintaining the stretchability of the sock body, each of the first outer anti-slip portions may branch into two or more or two to four branches along the way, and each branch may be divided into two or more or two to six parts in the longitudinal direction. Each of the first outer anti-slip portions may have a constant width or a variable width over its entire length. For example, each of the first outer anti-slip portions may have the smallest width at a first end located at the starting point and increase in width toward the outside.

[0025] From the viewpoint of more effectively suppressing slippage of the foot in the shoe during turning movements in sports and preventing the foot from slipping, it is preferable that the first outer anti-slip portion includes one or more first outer lower anti-slip portions arranged so that the longitudinal direction thereof is oblique from the starting portion toward the lower outer side, and one or more first outer lateral anti-slip portions arranged so that the longitudinal direction thereof is along the width direction from the starting portion toward the outer side. The first outer anti-slip portion may further include one or more first outer upper anti-slip portions arranged so that the longitudinal direction thereof is oblique from the starting portion toward the upper outer side.

[0026] When the first inner anti-slip part is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, it is preferable that the area of ​​the sections increases from the starting part toward the inner end, and when the first outer anti-slip part is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, the area of ​​the sections increases from the starting part toward the outer end. This more effectively suppresses foot slippage within the shoe during turning movements in sports, and prevents the foot from slipping out of place.

[0027] Alternatively, it is preferable that the area of ​​the first medial anti-slip portion in the region covering the first metatarsal is larger than the area of ​​the first medial anti-slip portion in the region covering the second metatarsal, and the area of ​​the first lateral anti-slip portion in the region covering the fifth metatarsal is larger than the area of ​​the first lateral anti-slip portion in the region covering the fourth metatarsal, thereby more effectively suppressing slippage of the foot within the shoe during turning movements in sports and preventing the foot from slipping out of place.

[0028] Specifically, when the origins of the first medial anti-slip portion and the first lateral anti-slip portion are located in an area covering the shaft of the third metatarsal bone, it is preferable that the area of ​​the first medial anti-slip portion is larger in the area covering the third metatarsal bone, the second metatarsal bone, and the first metatarsal bone, and that the area of ​​the first lateral anti-slip portion is larger in the area covering the third metatarsal bone, the fourth metatarsal bone, and the fifth metatarsal bone, respectively.

[0029] The anti-slip portion further includes one or more anisotropic second anti-slip portions disposed in the center of the outer surface of the instep side of the region covering the area from the medial malleolus to the lateral malleolus, and the longitudinal direction of the second anti-slip portions is preferably along the width direction of the foot. In this way, by providing the second anti-slip portion at a position corresponding to the tongue of the sports shoe, it is possible to prevent the tongue of the sports shoe from slipping during play of a sport.

[0030] The anti-slip portion further includes a plurality of, for example, two or more, 2 to 6, anisotropic third anti-slip portions arranged on the outer side of the sole of the toe portion of the sock body, with the longitudinal direction of the third anti-slip portions preferably oriented along the longitudinal direction of the foot. It is more preferable that a plurality of, for example, two or more, 2 to 6, anisotropic third anti-slip portions are arranged along the longitudinal direction of the foot at locations corresponding to the first, second, third, fourth, and fifth toes, respectively. During sports movements, force is applied to the toe portion in the longitudinal direction of the foot during the final push-off phase of acceleration. By providing the third anti-slip portions on the toe portion of the sock body with the longitudinal direction oriented along the longitudinal direction of the foot, it is possible to prevent the foot from slipping within the shoe during the final push-off phase of acceleration, thereby minimizing performance degradation.

[0031] Preferably, the anti-slip portion further includes a plurality of anisotropic fourth anti-slip portions arranged on the outer side of the sole of the rear foot portion of the sock body, with the longitudinal direction of the fourth anti-slip portions aligned along the foot length. The fourth anti-slip portions may include two to four long fourth central anti-slip portions arranged in the center of the outer side of the sole of the rear foot portion of the sock body, and three to ten fourth left and fourth right anti-slip portions arranged on either side of the fourth central anti-slip portion. Each of the fourth left and fourth right anti-slip portions may be divided into two or more portions along the longitudinal direction. In sports movements, force is applied to the heel in the foot length direction during the initial ground contact phase of a stop or kick. By providing fourth anti-slip portions in the rear foot portion of the sock body with the longitudinal direction aligned along the foot length, it is possible to prevent the foot from slipping within the sock during the initial ground contact phase of a stop or kick, thereby suppressing a decrease in performance.

[0032] When the sock body is a mid-length type that is above the ankle and below the knee, the anti-slip portion preferably includes a fifth anti-slip portion located on the outer surface of the area above the heel from the heel to the top of the leg. This prevents the calf stockings from slipping down when the sports sock of the present invention is worn as a separate sock in combination with calf stockings. In order to more effectively prevent the calf stockings from slipping down, the fifth anti-slip portion is preferably located over at least half the total length of the leg. The fifth anti-slip portion may be located on the outer surface of the area above the heel from the heel to the top of the leg, in the center of the width direction.

[0033] The non-slip portion is preferably made of a resin. The resin is not particularly limited, and for example, an elastic resin can be used. Examples of elastic resins include polyurethane, silicone resin, polyvinyl chloride, polyamide elastomer, polyester elastomer, rubber-based elastomer, olefin-based elastomer, polyethylene, polypropylene, nylon, EVA resin (ethylene-vinyl acetate copolymer), ABS resin (acrylonitrile-butadiene-styrene copolymer), and acrylic resin.

[0034] The anti-slip portion can be formed, for example, by applying these resin materials in a flowable state (e.g., liquid state) using a printing method to a specified area on the outer side of the foot or leg portion of the sock body, heating it, and hardening it.

[0035] The thickness of the anti-slip portion is not particularly limited and may be appropriately set as needed. For example, from the viewpoint of a good fit and a barefoot feel, the first anti-slip portion, the third anti-slip portion, and the fourth anti-slip portion may each have a thickness of 100 to 300 μm or 400 to 600 μm.

[0036] When the first anti-slip part is made of resin, it is preferable that when the first inner anti-slip part is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, the resin area of ​​the section closest to the inner end is larger than the resin area of ​​the section closest to the starting point, and when the first outer anti-slip part is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, the resin area of ​​the section closest to the outer end is larger than the resin area of ​​the section closest to the starting point. This more effectively suppresses foot slippage within the shoe during turning movements in sports, and prevents the foot from slipping out of place.

[0037] Alternatively, when the first anti-slip portion is made of resin, it is preferable that the resin area of ​​the first medial anti-slip portion in the region covering the first metatarsal is larger than the resin area of ​​the first medial anti-slip portion in the region covering the second metatarsal, and the resin area of ​​the first lateral anti-slip portion in the region covering the fifth metatarsal is larger than the resin area of ​​the first lateral anti-slip portion in the region covering the fourth metatarsal. This more effectively suppresses foot slippage within the shoe during turning movements in sports, preventing the foot from slipping out of place.

[0038] Specifically, when the origins of the first medial anti-slip portion and the first lateral anti-slip portion are located in the area covering the shaft of the third metatarsal bone, it is preferable that the resin area of ​​the first medial anti-slip portion is larger in the area covering the third metatarsal bone, the second metatarsal bone, and the first metatarsal bone, and that the resin area of ​​the first lateral anti-slip portion is larger in the area covering the third metatarsal bone, the fourth metatarsal bone, and the fifth metatarsal bone, respectively.

[0039] When the non-slip portions are made of resin, from the viewpoints of preventing a decrease in the elasticity of the sock body and not impairing the fit, the resin area ratio of the first, second, third, or fourth non-slip portion is preferably 15 to 85%, more preferably 35 to 65%, and the resin area ratio of the fifth non-slip portion is preferably 10 to 70%, more preferably 20 to 50%. In this specification, the resin area ratio of the non-slip portion refers to the ratio of the resin area to the area of ​​the non-slip portion in the region where the non-slip portion is located, and the area of ​​the non-slip portion refers to the area of ​​the region surrounded by the periphery of the non-slip portion located on the sock body.

[0040] From the viewpoint of improving the fit and feeling of being barefoot, it is preferable that the sports socks do not have an anti-slip part made of resin on the sole of the midfoot part of the sock body.

[0041] The sports socks can be manufactured using a sock knitting machine such as a knitting machine for five-finger socks. For example, the knitting structure of the forefoot portion may be smooth knit, jersey knit, terry knit, etc., the knitting structure of the midfoot portion may be rib knit, elastic knit, jersey knit, etc., the knitting structure of the rearfoot portion may be smooth knit, jersey knit, purl knit, etc., and the knitting structure of the leg portion may be plain knit, smooth knit, elastic knit, etc.

[0042] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In each drawing, the same reference numerals indicate the same parts. Note that the present invention is not limited to the embodiments shown in the drawings. In addition, the drawings explain a left sock, and since a right sock is bilaterally symmetrical to the left sock, a description of the right sock will be omitted.

[0043] FIG. 1 is a schematic diagram of the front side of a sports sock (for the left foot) according to one embodiment of the present invention (embodiment 1) when laid flat, viewed from the sole of the foot, and FIG. 2 is a partial schematic diagram of the front side of the same sports sock (for the left foot) when laid flat, viewed from the instep of the foot.

[0044] The sports sock 10 of the first embodiment is a five-toe type and includes a sock body 11 and an anti-slip part 12 arranged on the outer side of the sock body 11.

[0045] The anti-slip section 12 includes an anisotropic first anti-slip section 130 that is arranged on the front side of the sole of the sock body in an area that covers the forefoot from the ball of the big toe to the ball of the little toe. The first anti-slip section 130 is made up of three first medial anti-slip sections 131 (131a, 131b, 131c) that are arranged in a fan-shaped radial pattern from their origins toward the inside in the area that covers the second, third, and fourth metatarsals, and a plurality of first lateral anti-slip sections 132 (132a, 132b, 132c) that are arranged in a fan-shaped radial pattern from their origins toward the outside in the longitudinal direction.

[0046] Specifically, the first medial anti-slip portion 131 consists of first medial lower anti-slip portions 131a and 131b, which are arranged so that the two longitudinal directions are oblique from the origin corresponding to the shaft of the third metatarsal bone toward the medial lower part, and first medial upper anti-slip portion 131c, which is arranged so that the longitudinal direction is oblique from the origin toward the medial upper part.

[0047] Each of the first inner lower anti-slip portions 131a, 131b and the first inner upper anti-slip portion 131c branches into two branches along the middle, and each branch is divided into three parts in the longitudinal direction. The width of each of the first inner lower anti-slip portions 131a, 131b and the first inner upper anti-slip portion 131c is not constant over the entire length, but is smallest at the first end located at the starting point and becomes larger toward the center.

[0048] Specifically, the first outer anti-slip portion 132 consists of first outer lower anti-slip portions 132a and 132b, which are arranged so that their longitudinal directions are diagonal from the origin corresponding to the shaft of the third metatarsal bone toward the lower outer side, and first outer lateral anti-slip portion 132c, which is arranged so that its longitudinal direction is along the width direction from the origin toward the outside.

[0049] Each of the first outer lower anti-slip portions 132a and 132b branches into two branches along the length, and each branch is divided into three parts in the longitudinal direction. The first outer side anti-slip portion 132c is divided into two parts in the longitudinal direction. The first outer lower anti-slip portions 132a, 132b and the first outer side anti-slip portion 132c do not have a constant width over their entire length; the width is smallest at the first end located at the starting point and increases toward the outside.

[0050] The anti-slip portion 12 includes a single anisotropic second anti-slip portion 140 located in the center of the outer surface of the instep side of the area covering the area from the medial malleolus to the lateral malleolus. The longitudinal direction of the second anti-slip portion 140 is aligned with the width direction of the foot. The shape of the second anti-slip portion 140 is not particularly limited as long as it has an anisotropic shape.

[0051] FIG. 3 is a schematic diagram of the front side of a sports sock (for the left foot) according to another embodiment (embodiment 2) of the present invention, when laid flat, as viewed from the sole side.

[0052] The sports sock 20 of embodiment 2 is a five-toe type, and like the sports sock 10 of embodiment 1, includes a sock body 11 and an anti-slip part 12 arranged on the outer side of the sock body 11, and the anti-slip part 12 includes a first anti-slip part 130 and a second anti-slip part 140. Duplicate descriptions of the same configuration as the sports sock 10 of embodiment 1 will be omitted.

[0053] In the sports sock 20 of the second embodiment, the anti-slip portion 12 further includes a plurality of anisotropic third anti-slip portions 150 arranged on the front side of the sole of the toe portion of the sock body 11, with the longitudinal direction of the third anti-slip portions 150 aligned along the longitudinal direction of the foot. More specifically, five anisotropic third anti-slip portions 150 are arranged at the location corresponding to the first toe, and three anisotropic third anti-slip portions 150 are arranged at the locations corresponding to the second, third, fourth, and fifth toes, respectively, with the longitudinal direction of the third anti-slip portions 150 aligned along the longitudinal direction of the foot.

[0054] In the sports sock 20 of the second embodiment, the anti-slip portion 12 further includes a plurality of anisotropic fourth anti-slip portions 160 arranged on the outer side of the sole of the rear foot portion of the sock body 11, with the longitudinal direction of the fourth anti-slip portions 160 running along the foot length direction. More specifically, the fourth anti-slip portions 160 include four long fourth central anti-slip portions arranged in the center of the outer side of the sole of the rear foot portion of the sock body 11, and six fourth left anti-slip portions and six fourth right anti-slip portions arranged on either side thereof, with each of the six fourth left anti-slip portions and six fourth right anti-slip portions being divided in two in the longitudinal direction.

[0055] The schematic diagram of the front side of the sports sock 20 of the second embodiment as viewed from the instep side may be the same as FIG. 2, and a duplicated description will be omitted.

[0056] Fig. 4 is a schematic diagram of the front side of a sports sock (for the left foot) according to another embodiment (Embodiment 3) of the present invention, laid flat, as viewed from the sole (heel side). In Fig. 4, the sports sock is laid flat so that the entire leg portion can be observed from the heel side.

[0057] The sports sock 30 of embodiment 3 is a five-toe type, and like the sports sock 20 of embodiment 2, includes a sock body 11 and an anti-slip portion 12 arranged on the front side of the sock body 11, and the anti-slip portion 12 includes a first anti-slip portion 130, a second anti-slip portion 140, a third anti-slip portion 150, and a fourth anti-slip portion 160. Duplicate descriptions of the same configuration as the sports sock 20 of embodiment 2 will be omitted.

[0058] The sports sock 30 of the third embodiment has a length that is above the ankle and below the knee. In the sports sock 30 of the third embodiment, the non-slip part 12 further includes a fifth non-slip part 170 that is arranged on the outer side in the region from the heel to the upper end of the leg.

[0059] The schematic diagram of the front side of the sports sock 30 of the third embodiment viewed from the instep side may be the same as FIG. 2, and a duplicated description will be omitted.

[0060] 5 and 6 are partial schematic diagrams of the forefoot portion of the sports sock of the present invention when laid flat, showing the front side from the sole side. 5, when the first inner anti-slip portion 131 is divided longitudinally by an imaginary line into two sections 210 and 220 at equal intervals, the areas of the sections 220 and 210 increase in the order from the starting point to the inside, and more specifically, the area of ​​section 210 closer to the inside is larger than the area of ​​section 220 closer to the starting point. Similarly, when the first outer anti-slip portion 132 is divided longitudinally by an imaginary line into two sections 310 and 320 at equal intervals, the areas of the sections 320 and 310 increase in the order from the starting point to the outside, and more specifically, the area of ​​section 310 closer to the outside is larger than the area of ​​section 320 closer to the starting point. 6, if the first inner anti-slip portion 131 is divided longitudinally by imaginary lines into three sections 410, 420, and 430 at equal intervals, the areas of the sections increase in the order of 430, 420, and 410 from the starting point toward the inside, with section 410 having the largest area and section 430 having the smallest area. Similarly, if the first outer anti-slip portion 132 is divided longitudinally by imaginary lines into three sections 510, 520, and 530 at equal intervals, the areas of the sections increase in the order of 530, 520, and 510 from the starting point toward the outside, with section 510 having the largest area and section 530 having the smallest area.

[0061] 5 and 6, first inner anti-slip portion 131 and first outer anti-slip portion 132 are made of resin, and when first inner anti-slip portion is divided into two or three sections longitudinally at equal intervals by imaginary lines, the resin area of ​​section 210 or 410 closest to the inner end is larger than the resin area of ​​section 220 or 430 closest to the starting portion. Also, when first outer anti-slip portion 132 is divided into two or three sections longitudinally at equal intervals by imaginary lines, the resin area of ​​section 310 or 510 closest to the outer end is larger than the resin area of ​​section 320 or 530 closest to the starting portion.

[0062] 5 and 6, the area of ​​the first medial anti-slip portion in the region covering the first metatarsal is larger than the area of ​​the first medial anti-slip portion in the region covering the second metatarsal, and the area of ​​the first lateral anti-slip portion in the region covering the fifth metatarsal is larger than the area of ​​the first lateral anti-slip portion in the region covering the fourth metatarsal. Specifically, the origins of first medial anti-slip portion 131 and first lateral anti-slip portion 132 are located in the region covering the diaphysis of the third metatarsal, and the area of ​​first medial anti-slip portion 131 is larger in the region covering the third metatarsal, then the second metatarsal, and then the first metatarsal, and the area of ​​first lateral anti-slip portion 132 is larger in the region covering the third metatarsal, then the fourth metatarsal, and then the fifth metatarsal. This more effectively suppresses foot slippage within the shoe during a turn in sports, preventing the foot from slipping out of place.

[0063] Specifically, it is preferable that the first anti-slip portion is made of resin, and that the resin area of ​​the first medial anti-slip portion 131 in the region covering the first metatarsal is larger than the resin area of ​​the first medial anti-slip portion 131 in the region covering the second metatarsal, and that the resin area of ​​the first lateral anti-slip portion 132 in the region covering the fifth metatarsal is larger than the resin area of ​​the first lateral anti-slip portion 132 in the region covering the fourth metatarsal. More specifically, the origins of the first inner anti-slip portion 131 and the first outer anti-slip portion 132 are located in the area covering the shaft of the third metatarsal, and the resin area of ​​the first inner anti-slip portion is larger in the areas covering the third metatarsal, the second metatarsal, and the first metatarsal, and the resin area of ​​the first outer anti-slip portion 132 is larger in the areas covering the third metatarsal, the fourth metatarsal, and the fifth metatarsal, in that order.

[0064] FIG. 7 is a schematic perspective view of a sports sock (for the left foot) according to one embodiment (embodiment 3) of the present invention. When playing a sport such as soccer while wearing sports sock 30 according to embodiment 3, first anti-slip portion 130, which includes three first medial anti-slip portions 131 (131a, 131b, and 131c) arranged radially inward in a fan shape from their origins in a region covering the shaft of the third metatarsal bone, and three first lateral anti-slip portions 132 (132a, 132b, and 132c) arranged radially in a fan shape from their origins outward in a fan shape, effectively prevents the foot from slipping inside the shoe during a turn in a sport such as soccer. Furthermore, second anti-slip portion 140 prevents the tongue of sports shoes, such as cleats, from slipping when playing a sport such as soccer. Furthermore, the provision of third anti-slip portion 150 prevents the foot from slipping inside the shoe during the final push-off phase of acceleration in sports such as soccer, thereby minimizing performance degradation. Furthermore, the provision of fourth anti-slip portion 160 prevents the foot from slipping inside the shoe during the initial ground contact phase of stopping or kicking in sports such as soccer, thereby minimizing performance degradation. Furthermore, by having the fifth anti-slip portion 170, when the sports sock 30 is worn as a separate sock in combination with calf stockings (not shown), the calf stockings can be prevented from slipping down. [Example]

[0065] Examples of the present invention will be described below, but the present invention is not limited to these.

[0066] Example 1 (1) Making the sock body <Thread used> The socks in this example are made of three types of yarn: Calculo (registered trademark) Eco (100% polyester, Teijin Frontier Co., Ltd.) as the front yarn, Filament Twist Yarn (FTY) (polyurethane: 30 denier, polyester 75 denier) as the back yarn, and Double Covered Yarn (DCY) (polyurethane: 360 denier, polyester 75 denier) as the elastic yarn. The front and back yarns make up the entire sock, while the elastic yarn makes up the midfoot and leg parts. <Organization method> The knitting structure was smooth knit for the forefoot, rubber knit for the midfoot, smooth knit for the rearfoot, and jersey knit for the leg, and a five-finger sock body 11 (size: 26 cm, weight per sock: 27.8 g) as shown in Figure 4 was produced. (2) Formation of anti-slip surface Silicone resin was applied by printing to the front side of the sock body 11 in predetermined locations, and then heated and hardened to form the first anti-slip portion 130, which consisted of the first inner anti-slip portion 131 (131a, 131b, and 131c) and the first outer anti-slip portion 132 (132a, 132b, and 132c), the third anti-slip portion 150, and the fourth anti-slip portion 160, as shown in FIG. 3, the second anti-slip portion was formed as shown in FIG. 2, and the fifth anti-slip portion 170 was formed as shown in FIG. 4, thereby completing the sock 10. The thickness of the first inner anti-slip portion 131 was 400 μm and the area was 8 cm. 2 The resin area ratio is 50.4%, and the thickness of the first outer anti-slip portion 132 is 400 μm and the area is 6.1 cm 2 The resin area ratio is 52.2%, the thickness of the second anti-skid part 140 is 200 μm, and the area is 3.7 cm 2 The resin area ratio is 95.3%, the thickness of the third anti-slip part 150 is 400 μm mm, and the area is 5.1 cm 2 The resin area ratio is 64.2%, the thickness of the fourth anti-slip part 160 is 400 μm mm, and the area is 10.2 cm 2 The resin area ratio is 50%, the thickness of the fifth anti-slip part 170 is 400 μm mm, and the area is 20 cm 2 The resin area ratio was 35.2%. In the sock 10, the starting portions of the first inner anti-slip portion 131 and the first outer anti-slip portion 132 are located in the area covering the shaft of the third metatarsal, and the resin area of ​​the first inner anti-slip portion is larger in the areas covering the third metatarsal, the second metatarsal, and the first metatarsal, and the resin area of ​​the first outer anti-slip portion 132 is larger in the areas covering the third metatarsal, the fourth metatarsal, and the fifth metatarsal, in that order. A sock for the right foot was also made in the same way. The sock for the right foot was a mirror image of the sock for the left foot.

[0067] (Comparative Example 1) We used Zeroglide short socks (five-finger type) manufactured by Mizuno Co., Ltd. As shown in Figures 12 and 13, the Zeroglide short socks include anti-slip portion 410 arranged diagonally downward over the entire outer surface of the sole of the forefoot portion covering the area from the ball of the big toe to the ball of the little toe, multiple anti-slip portions 420 arranged diagonally downward along the outer surface of the sole of the toe portion, multiple anti-slip portions 430 arranged diagonally upward on the outer surface of the sole of the rearfoot portion, anti-slip portion 440 arranged diagonally downward on the outer surface of the instep side of the forefoot portion, and one anisotropic anti-slip portion 450 arranged in the center of the outer surface of the instep side covering the area from the medial malleolus to the lateral malleolus.

[0068] Four healthy male subjects wore the socks of Example 1 and Comparative Example 1, and performed a 45-degree turn (a turn in which the direction of travel is changed by 45 degrees) and a 180-degree turn (a turn in which the direction of travel is changed by 180 degrees) five times each, and the slippage of the feet within the spikes during the 45-degree turn and the 180-degree turn was measured as follows. The results are shown in Table 1 below.

[0069] (Foot misalignment) As shown in FIG. 11, a marker 600 that follows the spike is attached to the toe of the spike, and a hole is drilled in the outer part of the spike corresponding to the MP joint of the forefoot, and a marker 700 is attached to the sock through the hole. The foot displacement was calculated as the difference between the minimum and maximum distances between markers 600 and 700 in the contact zone. The change in distance between marker 600 and marker 700 during a 45-degree turn in soccer was measured. Measurements were taken five times for each subject, and the calculated average of the five measurements was taken as the foot displacement during a 45-degree turn. The change in distance between marker 600 and marker 700 after a soccer 180-degree turn was measured. The measurement was performed five times, and the calculated average value of the five measurements was taken as the foot displacement during the 180-degree turn.

[0070] [Table 1]

[0071] As can be seen from the results in Table 1 above, when wearing the socks of Example 1, compared to when wearing the socks of Comparative Example 1, slippage of the foot within the spikes is suppressed during turning movements in sports, specifically during both 45-degree turning movements and 180-degree turning movements.

[0072] The present invention is not particularly limited, but it is desirable to include, for example, the following embodiments. [1] A sports sock comprising a sock body and an anti-slip part disposed on the outer side of the sock body, The anti-slip portion includes an anisotropic first anti-slip portion disposed on the front side of the sole of the sock body in an area covering the area from the ball of the big toe to the ball of the little toe, The sports sock, wherein the first anti-slip portion includes a plurality of first inner anti-slip portions that are arranged in a fan-shaped radial pattern from an origin in a region covering the second metatarsal, the third metatarsal, and the fourth metatarsal, and a plurality of first outer anti-slip portions that are arranged in a fan-shaped radial pattern from the origin in a region covering the second metatarsal, the third metatarsal, and the fourth metatarsal. [2] The sports sock described in [1], wherein the origin is located in the area covering the shaft of the third metatarsal bone. [3] The sports sock described in [1] or [2], wherein the first inner anti-slip portion includes a first inner lower anti-slip portion arranged so that one or more longitudinal directions are oblique from the starting portion toward the inner lower portion, and a first inner upper anti-slip portion arranged so that one or more longitudinal directions are oblique from the starting portion toward the inner upper portion. [4] The sports sock described in [3], wherein the first inner anti-slip portion further includes one or more first inner lateral anti-slip portions arranged so that their longitudinal direction is aligned along the width direction from the starting portion toward the inside. [5] A sports sock described in any one of [1] to [4], wherein the first outer anti-slip portion includes a first outer downward anti-slip portion arranged so that one or more longitudinal directions are oblique from the starting portion toward the outer lower portion, and a first outer lateral anti-slip portion arranged so that one or more longitudinal directions are along the width direction from the starting portion toward the outer side. [6] The sports sock described in [5], wherein the first outer anti-slip portion further includes a first outer upper anti-slip portion arranged so that one or more longitudinal directions are diagonally directed from the starting portion toward the upper outer side. [7] A sports sock described in any one of [1] to [6], wherein the anti-slip portion includes one or more anisotropic second anti-slip portions arranged in the center of the outer side of the instep side of the area covering the area from the medial malleolus to the lateral malleolus, and the longitudinal direction of the second anti-slip portions is along the width direction of the foot. [8] A sports sock described in any one of [1] to [7], wherein the anti-slip portion includes a plurality of anisotropic third anti-slip portions arranged on the outer side of the sole of the toe portion of the sock body, and the longitudinal direction of the third anti-slip portions is along the longitudinal direction of the foot. [9] A sports sock described in any one of [1] to [8], wherein the anti-slip portion includes a plurality of anisotropic fourth anti-slip portions arranged on the outer side of the sole of the rear foot portion of the sock body, and the longitudinal direction of the fourth anti-slip portions is along the longitudinal direction of the foot.

[10] A sports sock according to any one of [1] to [9], having a length that is at least above the ankle and below the knee, wherein the anti-slip portion includes a fifth anti-slip portion that is located on the outer side of the area extending from the heel to the top of the leg.

[11] The sports socks according to any one of [1] to

[10] , which are five-finger type.

[12] The sports sock according to any one of [1] to

[11] , wherein the anti-slip portion is made of resin. [Industrial Applicability]

[0073] The sports socks of the present invention are suitable for sports such as soccer, badminton, and tennis. They can also be used as regular socks. [Explanation of symbols]

[0074] 1-8, 600, 700 markers 10, 20, 30 Sports socks 11 Socks 12, 810, 820, 830, 840, 850 Non-slip part 130 First anti-slip part 131 First inner anti-slip part 131a, 131b First inner lower anti-slip portion 131c First inner upper anti-slip part 132 First outer anti-slip part 132a, 132b First outer lower anti-slip portion 132c First outer anti-skid part 140 Second anti-slip part 150 Third anti-slip part 160 4th anti-slip part 170 5th anti-slip part 210, 220, 410, 420, 430 First inner anti-skid section 310, 320, 510, 520, 530 First outer cleat section

Claims

1. A sports sock comprising a sock body and an anti-slip part disposed on the outer side of the sock body, the anti-slip portion includes an anisotropic first anti-slip portion disposed on the front side of the sole of the sock body in an area covering the area from the ball of the big toe to the ball of the little toe, The sports sock, wherein the first anti-slip portion includes a plurality of first inner anti-slip portions that are arranged in a fan-shaped radial pattern from an origin in a region covering the second metatarsal, the third metatarsal, and the fourth metatarsal, and a plurality of first outer anti-slip portions that are arranged in a fan-shaped radial pattern from the origin in a region covering the second metatarsal, the third metatarsal, and the fourth metatarsal.

2. 2. The sports sock of claim 1, wherein when the first inner anti-slip portion is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, the area of ​​the sections increases as one moves inward from the starting point, and when the first outer anti-slip portion is divided into two or three sections at equal intervals in the longitudinal direction, the area of ​​the sections increases as one moves outward from the starting point.

3. The anti-slip portion is made of resin, 2. The sports sock of claim 1, wherein, when the first inner anti-slip portion is divided into two or three sections at equal intervals in the longitudinal direction by imaginary lines, the resin area of ​​the section closest to the inner end is larger than the resin area of ​​the section closest to the starting point, and when the first outer anti-slip portion is divided into two or three sections at equal intervals in the longitudinal direction, the resin area of ​​the section closest to the outer end is larger than the resin area of ​​the section closest to the starting point.

4. The sports sock according to claim 1 , wherein the origin is located in a region covering the shaft of the third metatarsal bone.

5. 2. The sports sock according to claim 1, wherein the anti-slip portion includes one or more anisotropic second anti-slip portions arranged in the center of the outer surface on the instep side of the region covering the area from the medial malleolus to the lateral malleolus, and the longitudinal direction of the second anti-slip portions is aligned with the width direction of the foot.

6. 2. The sports sock according to claim 1, wherein the sock has a length that is at least above the ankle and below the knee, and the anti-slip portion includes a fifth anti-slip portion that is disposed on the outer side of the region extending from the heel portion to the upper end of the leg portion.

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