Golf socks

Abstract

To provide socks which can sufficiently prevent a slip between feet and socks and a slip between the socks and shoes and can exhibit the maximum exercise performance even if a user with high exercise ability uses.SOLUTION: In a sock, a portion of a foot part (12) except for a portion corresponding to the arch of the foot, a toe part (13) and a portion corresponding to a portion from an upper end of a heel in a leg part (15) to an upper end of an ankle are formed of anti-slip fabric including first polyester fiber filament yarns having a single fiber diameter of 10 to 3000 nm and second polyester fiber filament yarns with a larger single fiber diameter, and the first polyester fiber filament yarns are exposed to one face of the fabric. Projection parts (18) formed of rubber are provided on the bottom of the foot part at portions corresponding to a sole thenar and the heel when the sock is worn. An inner face of the sock is formed by a face on which the first polyester fiber filament yarns of the anti-slip fabric are exposed.SELECTED DRAWING: Figure 1A

Description

[Technical Field]

[0001] The present invention relates to socks, and is particularly suitable for use when playing sports involving rotational movements around the body axis, such as golf. [Background technology]

[0002] In sports involving rotational movements of the body axis, such as golf, it is important to prevent slippage between the foot and the sock, and between the sock and the shoe, in order to maximize athletic performance.

[0003] Anti-slip fabrics with high surface friction resistance and gripping power have been proposed for use in various textile products (see, for example, Patent Documents 1 and 2). The anti-slip fabrics described in Patent Documents 1 and 2 contain thermoplastic synthetic fiber filament yarn A with a single fiber diameter of 10 to 3000 nm and thermoplastic synthetic fiber filament yarn B with a single fiber diameter larger than that of thermoplastic synthetic fiber filament yarn A, for example, 10 to 50 μm, with thermoplastic synthetic fiber filament yarn A exposed on either the front or back surface of the fabric. In this anti-slip fabric, a typical example of thermoplastic synthetic fiber filament yarn A and thermoplastic synthetic fiber filament yarn B is polyester fiber filament yarn.

[0004] The non-slip fabrics described in Patent Documents 1 and 2 are commercially available, using ultrafine polyester fibers with a single fiber diameter of 700 nm called Nanofront (registered trademark), a type of thermoplastic synthetic fiber filament yarn A with a single fiber diameter of 10 to 3,000 nm (see Non-Patent Documents 1 and 2). Socks using this non-slip fabric (product name "Nanobite Socks") are also commercially available (see Non-Patent Document 3). It is believed that the non-slip fabric is used in the sock, excluding the band-like section that extends from the area on the bottom of the foot corresponding to the arch of the foot through both sides to the elastic cuff. In the areas of the non-slip fabric other than the area that corresponds to the instep (dorsal of the foot) when worn, the thermoplastic synthetic fiber filament yarn A is exposed and adhesive on the surface side, including the bottom surface of the sock, while the opposite surface is non-adhesive and contains thermoplastic synthetic fiber filament yarn B, which has a single fiber diameter larger than that of the thermoplastic synthetic fiber filament yarn A, exposed on the opposite surface. The part of this anti-slip fabric that corresponds to the instep (dorsal part of the foot) when worn has a mesh structure, which is said to provide a dry feeling when worn and to support ease of bending and stretching. However, since both sides of this part are sticky, it is presumed that thermoplastic synthetic fiber filament thread A is exposed on both sides. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2020-172725 [Patent Document 2] Patent No. 7267820 [Non-patent literature]

[0006] [Non-Patent Document 1] [Retrieved February 22, 2024], Internet〈URL:https: / / nanofront.jp〉 [Non-patent document 2] [Retrieved February 22, 2024], Internet〈URL: https: / / www.teijin.co.jp / rd / technology / pnf / 〉 [Non-patent document 3] [Retrieved February 22, 2024], Internet〈URL: https: / / zerofit.com / blogs / Feature / zerofit-socks-lineup 〉 [Non-patent document 4] [Retrieved February 22, 2024], Internet〈URL: https: / / item.rakuten.co.jp / kutsushitaya / c / 0000000235 / 〉 Summary of the Invention [Problem to be solved by the invention]

[0007] However, according to the inventor's investigations, although the socks described in Non-Patent Document 3 claim to "eliminate slippage between the foot and the socks, and between the socks and the shoes to the greatest extent possible," for users with high athletic ability, such as professional golfers, the effect of preventing slippage between the foot and the socks and between the socks and the shoes is not necessarily sufficient, and there is room for improvement.

[0008] Therefore, the problem that this invention aims to solve is to provide socks that can sufficiently prevent slippage between the foot and the socks and between the socks and the shoes, even when worn by users with high athletic ability such as professional golfers, and allow the user to demonstrate maximum athletic performance. [Means for solving the problem]

[0009] In order to solve the above problems, the present invention provides: the anti-slip fabric comprising a first polyester fiber filament yarn having a single fiber diameter of 10 nm or more and 3000 nm or less and a second polyester fiber filament yarn having a single fiber diameter larger than that of the first polyester fiber filament yarn, and the first polyester fiber filament yarn being exposed on either the front or back surface of the fabric, the anti-slip fabric comprising at least a portion of the foot part excluding a portion corresponding to the arch of the foot when worn, and at least a portion of the toe part and leg part corresponding to the portion from the top of the heel to the top of the ankle when worn; protrusions made of rubber provided on the bottom of the foot part at least in the areas corresponding to the ball of the foot and the heel when the shoe is worn; and The socks have an inner surface that comes into contact with the foot when worn, which is formed by the surface of the non-slip fabric on which the first polyester fiber filament yarn is exposed.

[0010] In this sock, at least the part of the foot section excluding the part that corresponds to the arch of the foot when worn, and at least the parts of the toe section and leg section that correspond to the part from the top of the heel to the top of the ankle when worn are made of the above-mentioned non-slip fabric, and the inner surface that comes into contact with the foot when worn is made of the surface on which the first polyester fiber filament yarn of the above-mentioned non-slip fabric is exposed, thereby effectively preventing slippage between the foot and the sock when the user wears the sock and shoes and performs exercises such as turning around the body axis.In addition, rubber protrusions are provided on the bottom of the foot section at least in the parts that correspond to the ball of the foot and the heel when worn, effectively preventing slippage between the sock and the shoes when the user performs exercises such as turning around the body axis. In order to most effectively prevent slippage between the foot and the sock, the entire foot, toe, and leg sections of these socks are typically made of the above-mentioned anti-slip fabric, and the inside surface that comes into contact with the foot when worn is made of the surface on which the first polyester fiber filament yarn of the anti-slip fabric is exposed. The names of each section of the sock are based on the Sock Dictionary (Non-Patent Document 4).

[0011] Details of the construction of the anti-slip fabric that makes up this sock, details of the woven or knitted fabric (including weft-knitted and warp-knitted fabrics), and manufacturing methods are described in Patent Documents 1 and 2. The single fiber diameter of the first polyester fiber filament yarn is typically 510 nm or more and 2000 nm or less, for example 700 nm.

[0012] The protrusions on the bottom surface of the foot section may be one at the ball of the foot and one at the heel, each with a shape and size that includes the ball of the foot and the heel. Alternatively, multiple protrusions may be provided separately across the entire bottom surface of the foot section except for the area that corresponds to the arch of the foot. Alternatively, one protrusion may be provided to cover the entire bottom surface of the foot section. The shape of the protrusions is not particularly limited and may be selected as needed, for example, circular, elliptical, or polygonal (triangle, square, pentagon, hexagon, etc.). When multiple protrusions are provided, the arrangement of these protrusions may be selected as needed. The height of the protrusions may be selected as needed, for example, from 0.1 mm to 0.5 mm, typically from 0.2 mm to 0.4 mm. The rubber constituting the protrusions may be synthetic or natural rubber, and may be selected as needed, for example, silicone rubber, chloroprene rubber (CR), ethylene-vinyl acetate rubber (EVA), etc. [Effects of the Invention]

[0013] According to this invention, when a user wears these socks and shoes and performs body axis rotation exercises, etc., slippage between the foot and the socks and between the socks and the shoes can be effectively prevented, allowing the user to demonstrate maximum athletic performance. [Brief explanation of the drawings]

[0014] [Figure 1A] FIG. 1 is a left side view of a left sock according to a first embodiment of the present invention. [Figure 1B] FIG. 1B is a bottom view of the left sock shown in FIG. 1A. [Figure 2A] FIG. 1 is a left side view of a right sock according to a first embodiment of the present invention. [Figure 2B] FIG. 2B is a bottom view of the right sock shown in FIG. 2A. [Figure 3A] FIG. 10 is a left side view of a left sock according to a second embodiment of the present invention. [Figure 3B] FIG. 3B is a bottom view of the left sock shown in FIG. 3A. [Figure 4A] FIG. 10 is a left side view of a right sock according to a second embodiment of the present invention. [Figure 4B] FIG. 4B is a bottom view of the right sock shown in FIG. 4A. [Figure 5A] FIG. 10 is a left side view of a left sock according to a third embodiment of the present invention. [Figure 5B] FIG. 5B is a bottom view of the left sock shown in FIG. 5A. [Figure 6A] FIG. 10 is a left side view of a right sock according to a third embodiment of the present invention. [Figure 6B] FIG. 6B is a bottom view of the right sock shown in FIG. 6A. [Figure 7A] FIG. 10 is a left side view of a left sock according to a fourth embodiment of the present invention. [Figure 7B] FIG. 7B is a bottom view of the left sock shown in FIG. 7A. [Figure 8A] FIG. 10 is a left side view of a right sock according to a fourth embodiment of the present invention. [Figure 8B] FIG. 8B is a bottom view of the right sock shown in FIG. 8A. [Figure 9A] 1 is a photograph, substituted for a drawing, showing the right side of a left sock according to Example 1. [Figure 9B] 1 is a photograph, substituted for a drawing, showing the left side of a left-foot sock from among the socks according to Example 1. [Figure 9C] 1 is a photograph, substituted for a drawing, showing the bottom surface of a left sock among the socks according to Example 1. [Figure 10A] 1 is a photograph, substituted for a drawing, showing the right side of a left sock from among the socks according to Example 1 when turned inside out. [Figure 10B] 1 is a photograph, substituted for a drawing, showing the left side of a left sock from among the socks according to Example 1 when turned inside out. [Figure 10C] 1 is a photograph, substituted for a drawing, showing the bottom surface of a left sock among the socks according to Example 1 when turned inside out. [Figure 11A] 1 is a photograph, substituted for a drawing, showing the left side of a right-foot sock according to Example 1. [Figure 11B] 1 is a photograph, substituted for a drawing, showing the bottom surface of a right sock among the socks according to Example 1. [Figure 12A] 10 is a photograph, substituted for a drawing, showing the right side of a left sock according to Example 2. [Figure 12B] 10 is a photograph, substituted for a drawing, showing the bottom surface of a left sock among the socks according to Example 2. [Figure 13A] 10 is a photograph, substituted for a drawing, showing the right side of a left sock from among the socks according to Example 2 when turned inside out. [Figure 13B] 10 is a photograph, substituted for a drawing, showing the bottom surface of a left sock among the socks according to Example 2 when turned inside out. [Figure 14A] 10 is a photograph, shown as a substitute for a drawing, showing the left side of a right-foot sock according to Example 2. [Figure 14B] 10 is a photograph, substituted for a drawing, showing the bottom surface of a right sock among the socks according to Example 2. [Figure 15A] 10 is a photograph, substituted for a drawing, showing the left side of a right-foot sock from among the socks according to Example 2 when turned inside out. [Figure 15B] 10 is a photograph, substituted for a drawing, showing the bottom surface of a right sock among the socks according to Example 2 when turned inside out. [Figure 16A] 1 is a photograph, shown as a substitute for a drawing, showing the right side of a right-foot sock from among the socks according to Comparative Example 1. [Figure 16B] 1 is a photograph, shown as a substitute for a drawing, showing the left side of a right-foot sock from the sock of Comparative Example 1. [Figure 16C] 1 is a photograph, used as a substitute for a drawing, showing the bottom surface of a right sock from among the socks according to Comparative Example 1. [Figure 17A]10 is a photograph, used as a substitute for a drawing, showing the right side of a right-foot sock from among the socks according to Comparative Example 1 when turned inside out. [Figure 17B] 1 is a photograph, used as a substitute for a drawing, showing the left side of a right sock from among the socks according to Comparative Example 1 when turned inside out. [Figure 17C] 10 is a photograph, used as a substitute for a drawing, showing the bottom surface of a right sock from among the socks according to Comparative Example 1 when turned inside out. [Figure 18A] 10 is a photograph, shown as a substitute for a drawing, showing the right side of a right-foot sock from the socks of Comparative Example 2. [Figure 18B] 10 is a photograph, shown as a substitute for a drawing, showing the left side of a right-foot sock from Comparative Example 2. [Figure 18C] 10 is a photograph, shown in place of a drawing, showing the bottom surface of a right sock from the socks according to Comparative Example 2. [Figure 19A] 10 is a photograph, used as a substitute for a drawing, showing the right side of a right sock from among the socks according to Comparative Example 2 when turned inside out. [Figure 19B] 10 is a photograph, used as a substitute for a drawing, showing the left side of a right sock from the socks of Comparative Example 2 when turned inside out. [Figure 19C] 10 is a photograph, used as a substitute for a drawing, showing the bottom surface of a right sock from among the socks according to Comparative Example 2 when turned inside out. [Figure 20] 10 is a photograph, substituted for a drawing, showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques acting on the feet of a professional golfer wearing the socks according to Example 1 and swinging a fairway wood. [Figure 21A] 21 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Example 1 before the swing test shown in FIG. 20 was carried out. [Figure 21B] 21 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Example 1 after the swing test shown in FIG. 20 has been carried out. [Figure 22] 10 is a drawing-substitute photograph showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques applied to the feet of a professional golfer wearing socks according to Comparative Example 1 when swinging a fairway wood. [Figure 23A]23 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 1 before the swing test shown in FIG. 22 was carried out. [Figure 23B] 23 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 1 after the swing test shown in FIG. 22 has been carried out. [Figure 24] 10 is a photograph substituted for a drawing showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques applied to the feet of a professional golfer wearing socks according to Comparative Example 2 when swinging a fairway wood. [Figure 25A] 25 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 2 before the swing test shown in FIG. 24 was carried out. [Figure 25B] 25 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 2 after the swing test shown in FIG. 24 has been carried out. [Figure 26A] 1 is a photograph used as a substitute for a drawing to show a platform having an inclined surface with an inclination angle of 25 degrees, which was used when professional golfers performed anti-slip tests while wearing socks according to Example 1, Comparative Example 1, and Comparative Example 2. [Figure 26B] 26B is a photograph showing a rubber sheet placed on the portion of the platform shown in FIG. 26A where both feet are placed, and an acrylic plate on top of that. [Figure 27] 1 is a photograph, substituted for a drawing, showing a state in which a professional golfer wearing the socks according to Example 1 is performing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 28A] 28 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 1 before the anti-slip test shown in FIG. 27 is carried out. [Figure 28B] 28 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 1 after the anti-slip test shown in FIG. 27 has been carried out. [Figure 29] 28 is a photograph in place of a drawing showing a professional golfer wearing the socks according to Example 1 and performing an anti-slip test on a platform with an inclined surface at an inclination angle of 25 degrees, with the body facing in the opposite direction to that shown in FIG. [Figure 30A]30 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 1 before the anti-slip test shown in FIG. 29 is carried out. [Figure 30B] 30 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 1 after the anti-slip test shown in FIG. 29 has been carried out. [Figure 31] 1 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Comparative Example 1 is undergoing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 32A] 32 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the anti-slip test shown in FIG. 31 is conducted. [Figure 32B] 32 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 after the anti-slip test shown in FIG. 31 has been carried out. [Figure 33] 32 is a photograph in lieu of a drawing showing a professional golfer wearing the socks according to Comparative Example 1 and performing an anti-slip test on a platform with an inclined surface at an inclination angle of 25 degrees, with his body facing the opposite direction to that shown in FIG. [Figure 34A] 34 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the anti-slip experiment shown in FIG. 33 is conducted. [Figure 34B] 34 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 after the anti-slip test shown in FIG. 33 has been carried out. [Figure 35] 10 is a photograph, substituted for a drawing, showing a state in which a professional golfer wearing the socks according to Comparative Example 2 is undergoing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 36A] 36 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the anti-slip test shown in FIG. 35 is conducted. [Figure 36B] 36 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the anti-slip test shown in FIG. 35 has been carried out. [Figure 37] 36 is a photograph in lieu of a drawing showing a professional golfer wearing socks according to Comparative Example 2 and performing an anti-slip test on a platform with an inclined surface at an angle of 25 degrees, with his body facing the opposite direction to that shown in FIG. [Figure 38A] 38 is a photograph, shown in place of a drawing, illustrating the bottom surface of the right sock according to Comparative Example 2 before the anti-slip test shown in FIG. 37 is conducted. [Figure 38B] 38 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the anti-slip test shown in FIG. 37 has been carried out. [Figure 39] 10 is a photograph, substituted for a drawing, showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques acting on the feet of a professional golfer wearing the socks according to Example 2 when swinging with a driver. [Figure 40A] 40 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Example 2 before the swing test shown in FIG. 39 was carried out. [Figure 40B] 40 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Example 2 after the swing test shown in FIG. 39 has been carried out. [Figure 41A] 40 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Example 2 before the swing test shown in FIG. 39 was carried out. [Figure 41B] 40 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Example 2 after the swing test shown in FIG. 39 has been carried out. [Figure 42] 10 is a photograph, substituted for a drawing, showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques acting on the feet of a professional golfer wearing socks according to Comparative Example 1 when swinging with a driver. [Figure 43A] 43 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 1 before the swing test shown in FIG. 42 was carried out. [Figure 43B] 43 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 1 after the swing test shown in FIG. 42 has been carried out. [Figure 44A] 43 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Comparative Example 1 before the swing test shown in FIG. 42 was carried out. [Figure 44B]43 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Comparative Example 1 after the swing test shown in FIG. 42 has been carried out. [Figure 45] 10 is a photograph substituted for a drawing showing an image displayed on a display screen when commercially available swing analysis software is used to analyze the forces and torques applied to the feet of a professional golfer wearing socks according to Comparative Example 2 when swinging with a driver. [Figure 46A] 46 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 2 before the swing test shown in FIG. 45 was carried out. [Figure 46B] 46 is a photograph, substituted for a drawing, showing the bottom surface of the left sock of the socks according to Comparative Example 2 after the swing test shown in FIG. 45 has been carried out. [Figure 47A] 46 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Comparative Example 2 before the swing test shown in FIG. 45 was carried out. [Figure 47B] 46 is a photograph, substituted for a drawing, showing the bottom surface of the right sock of the socks according to Comparative Example 2 after the swing test shown in FIG. 45 has been carried out. [Figure 48] 10 is a photograph, substituted for a drawing, showing a state in which a professional golfer wearing the socks according to Example 2 is undergoing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 49A] 49 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 before the anti-slip test shown in FIG. 48 is carried out. [Figure 49B] 49 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 after the anti-slip test shown in FIG. 48 has been carried out. [Figure 50] 49 is a photograph in place of a drawing showing a professional golfer wearing socks according to Example 2 and performing an anti-slip test on a platform with an inclined surface at an inclination angle of 25 degrees, with his body facing the opposite direction to that shown in FIG. [Figure 51A] 51 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 before the anti-slip test shown in FIG. 50 is carried out. [Figure 51B] 51 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 after the anti-slip test shown in FIG. 50 has been carried out. [Figure 52] 1 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Comparative Example 1 is undergoing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 53A] 53 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the anti-slip test shown in FIG. 52 is conducted. [Figure 53B] 53 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 after the anti-slip test shown in FIG. 52 has been carried out. [Figure 54] 53 is a photograph in lieu of a drawing showing a professional golfer wearing socks according to Comparative Example 1 and performing an anti-slip test on a platform with an inclined surface at an angle of 25 degrees, with his body facing the opposite direction to that shown in FIG. 52. [Figure 55A] 55 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the anti-slip experiment shown in FIG. 54 is conducted. [Figure 55B] 55 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 after the anti-slip test shown in FIG. 54 has been carried out. [Figure 56] 10 is a photograph, substituted for a drawing, showing a state in which a professional golfer wearing the socks according to Comparative Example 2 is undergoing an anti-slip test on a platform having an inclined surface with an inclination angle of 25 degrees. [Figure 57A] 57 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 before the anti-slip test shown in FIG. 56 is conducted. [Figure 57B] 57 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the anti-slip test shown in FIG. 56 has been carried out. [Figure 58] This is a photograph, used as a substitute for a drawing, showing a professional golfer wearing socks according to Comparative Example 2 and facing the opposite direction to that shown in Figure 56 while performing an anti-slip test on a platform with an inclined surface at an angle of 25 degrees. [Figure 59A] 59 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the anti-slip test shown in FIG. 58 is conducted. [Figure 59B]59 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the anti-slip test shown in FIG. 58 has been carried out. [Figure 60] 10 is a photograph, substituted for a drawing, showing a platform having an inclined surface with an inclination angle of 5 degrees, used when professional golfers performed swing tests while wearing socks according to Example 2, Comparative Example 1, and Comparative Example 2. [Figure 61] 10 is a photograph substituted for a drawing showing a swing test in which a professional golfer wearing the socks according to Example 2 performs a swing test with a 7-iron while standing on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing downwards. [Figure 62A] 62 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 before the swing test shown in FIG. 61 is carried out. [Figure 62B] 62 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 after the swing test shown in FIG. 61 has been carried out. [Figure 63A] 62 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 in a state before the swing test shown in FIG. 61 is conducted. [Figure 63B] 62 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 after the swing test shown in FIG. 61 has been carried out. [Figure 64] 10 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Example 2 is performing a swing test with a 7-iron on a platform having an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing up. [Figure 65A] 65 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 before the swing test shown in FIG. 64 is carried out. [Figure 65B] 65 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 after the swing test shown in FIG. 64 has been carried out. [Figure 66A] 65 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 before the swing test shown in FIG. 64 is carried out. [Figure 66B]65 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 after the swing test shown in FIG. 64 has been carried out. [Figure 67] 10 is a photograph in lieu of a drawing showing a state in which a professional golfer wearing the socks according to Example 2 is performing a swing test with a 7-iron on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread in the inclined direction and the left foot placed on the bottom. [Figure 68A] 68 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 before the swing test shown in FIG. 67 is carried out. [Figure 68B] 68 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 after the swing test shown in FIG. 67 has been carried out. [Figure 69A] 68 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 before the swing test shown in FIG. 67 is carried out. [Figure 69B] 68 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 after the swing test shown in FIG. 67 has been carried out. [Figure 70] 10 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Example 2 is performing a swing test with a 7-iron on a platform having an inclined surface with an inclination angle of 5 degrees, with both feet apart in the inclined direction and the right foot on the bottom. [Figure 71A] 71 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 before the swing test shown in FIG. 70 is carried out. [Figure 71B] 71 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Example 2 after the swing test shown in FIG. 70 has been carried out. [Figure 72A] 71 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 before the swing test shown in FIG. 70 is carried out. [Figure 72B] 71 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Example 2 after the swing test shown in FIG. 70 has been carried out. [Figure 73]10 is a photograph substituted for a drawing showing a professional golfer wearing the socks according to Comparative Example 1 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing downwards. [Figure 74A] 74 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the swing test shown in FIG. 73 is carried out. [Figure 74B] 74 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 after the swing test shown in FIG. 73 has been carried out. [Figure 75A] 74 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the swing test shown in FIG. 73 is carried out. [Figure 75B] 74 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 after the swing test shown in FIG. 73 has been carried out. [Figure 76] This is a photograph (used as a substitute for a drawing) showing a professional golfer wearing the socks according to Comparative Example 1 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing up. [Figure 77A] 77 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the swing test shown in FIG. 76 is carried out. [Figure 77B] 77 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 after the swing test shown in FIG. 76 has been carried out. [Figure 78A] 77 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the swing test shown in FIG. 76 is carried out. [Figure 78B] 77 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 after the swing test shown in FIG. 76 has been carried out. [Figure 79] 1 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Comparative Example 1 is performing a swing test with a 7-iron on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread in the inclined direction and the left foot placed on the bottom. [Figure 80A] 79. A photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the swing test shown in FIG. [Figure 80B] 79. FIG. 80 is a photograph showing the bottom surface of the left sock according to Comparative Example 1 after the swing test shown in FIG. [Figure 81A] 79. A photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the swing test shown in FIG. [Figure 81B] 79. FIG. 80 is a photograph substituting for a drawing showing the bottom surface of the right sock according to Comparative Example 1 after the swing test shown in FIG. [Figure 82] 1 is a photograph substituted for a drawing showing a state in which a professional golfer wearing the socks according to Comparative Example 1 is performing a swing test with a 7-iron on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread in the inclined direction and the right foot placed on the bottom. [Figure 83A] 83 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 before the swing test shown in FIG. 82 is carried out. [Figure 83B] 83 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 1 after the swing test shown in FIG. 82 has been carried out. [Figure 84A] 83 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 before the swing test shown in FIG. 82 is carried out. [Figure 84B] 83 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 1 after the swing test shown in FIG. 82 has been carried out. [Figure 85] This is a photograph (used as a substitute for a drawing) showing a professional golfer wearing the socks according to Comparative Example 2 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing downwards. [Figure 86A] 86 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the swing test shown in FIG. 85 is carried out. [Figure 86B]86 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the swing test shown in FIG. 85 has been carried out. [Figure 87A] 86 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 before the swing test shown in FIG. 85 is carried out. [Figure 87B] 86 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the swing test shown in FIG. 85 has been carried out. [Figure 88] This is a photograph (used as a substitute for a drawing) showing a professional golfer wearing the socks according to Comparative Example 2 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an inclination angle of 5 degrees, with both feet spread perpendicular to the inclination direction and with the toes facing up. [Figure 89A] 89 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the swing test shown in FIG. 88 is carried out. [Figure 89B] 89 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the swing test shown in FIG. 88 has been carried out. [Figure 90A] 89 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 before the swing test shown in FIG. 88 is carried out. [Figure 90B] 89 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the swing test shown in FIG. 88 has been carried out. [Figure 91] This is a photograph (used as a substitute for a drawing) showing a professional golfer wearing socks according to Comparative Example 2 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an angle of 5 degrees, with both feet spread in the inclined direction and the left foot on the bottom. [Figure 92A] 92 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the swing test shown in FIG. 91 is carried out. [Figure 92B] 92 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the swing test shown in FIG. 91 has been carried out. [Figure 93A]92 is a photograph, substituted for a drawing, showing the bottom surface of a right sock according to Comparative Example 2 before the swing test shown in FIG. 91 is carried out. [Figure 93B] 92 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the swing test shown in FIG. 91 has been carried out. [Figure 94] This is a photograph (used as a substitute for a drawing) showing a professional golfer wearing the socks according to Comparative Example 2 and performing a swing test with a 7-iron while standing on a platform with an inclined surface at an angle of 5 degrees, with both feet spread in the inclined direction and the right foot placed on the bottom. [Figure 95A] 95 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 before the swing test shown in FIG. 94 is carried out. [Figure 95B] 95 is a photograph, substituted for a drawing, showing the bottom surface of the left sock according to Comparative Example 2 after the swing test shown in FIG. 94 has been carried out. [Figure 96A] 95 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 before the swing test shown in FIG. 94 is carried out. [Figure 96B] 95 is a photograph, substituted for a drawing, showing the bottom surface of the right sock according to Comparative Example 2 after the swing test shown in FIG. 94 has been carried out. DETAILED DESCRIPTION OF THE INVENTION

[0015] Hereinafter, modes for carrying out the invention (hereinafter referred to as "embodiments") will be described with reference to the drawings.

[0016] First Embodiment [socks] A pair of socks (a left sock and a right sock) according to the first embodiment will be described.

[0017] Fig. 1A shows the left side of the left sock 10 in its flattened state as sold. Fig. 1B shows the bottom of the left sock 10 in its unfolded state. Similarly, Fig. 2A shows the left side of the right sock 20 in its flattened state as sold, and Fig. 2B shows the bottom of the right sock 20 in its unfolded state.

[0018] As shown in Figure 1A, the left sock 10 consists of a bodice section 11, a foot section 12, and a toe section 13. The bodice section 11 consists of a cuff section 14 and a leg section 15. The leg section 15 is the portion of the bodice section 11 excluding the cuff section 14, i.e., the section from the bottom end of the cuff section 14 to the top of the heel. The foot section 12 is the section from the end of the heel to the toe seam 16. Gore lines 17, which are lines that define the heel and toe, are provided between the foot section 12 and the leg section 15, and between the foot section 12 and the toe section 13, respectively.

[0019] In this left sock 10, at least the portion of the foot section 12 excluding the portion that corresponds to the arch of the foot when worn, and at least the portions of the toe section 13 and leg section 15 that correspond to the area from the top of the heel to the top of the ankle when worn, are made of a non-slip fabric containing a first polyester fiber filament yarn having a single fiber diameter of 10 nm to 3000 nm and a second polyester fiber filament yarn having a single fiber diameter larger than that of the first polyester fiber filament yarn, with the first polyester fiber filament yarn exposed on either the front or back surface of the fabric. The portions of this left sock 10 that are not made of the non-slip fabric are made of a conventionally known fabric similar to that of ordinary socks. The entire left sock 10, except for the cuff elastic section 14, may be made of this non-slip fabric. In this case, the inner surface that comes into contact with the foot when the left sock 10 is worn is the surface on which the first polyester fiber filament yarn of the non-slip fabric is exposed. The surface of the non-slip fabric where the first polyester fiber filament yarn is exposed is highly adhesive, providing a high anti-slip effect. In contrast, the surface of the non-slip fabric where the first polyester fiber filament yarn is not exposed is less adhesive, providing a lower anti-slip effect. The thickness of the non-slip fabric can be selected as needed.

[0020] As shown in FIGS. 1A and 1B, the bottom surface of the foot portion 12 is provided with at least one approximately square-shaped protrusion 18 made of rubber with rounded corners at the portions corresponding to the ball of the foot and the heel when the left sock 10 is worn. The thickness of these protrusions 18 is selected as needed, but is, for example, between 0.1 mm and 1 mm. The size of the protrusion 18 at the portion corresponding to the ball of the foot is, for example, approximately (10-15 mm) x (10-15 mm), and the size of the protrusion 18 at the portion corresponding to the heel is, for example, approximately (20-35 mm) x (20-35 mm). The rubber constituting the protrusions 18 is, for example, silicone rubber. These protrusions 18 are provided to prevent slippage between the left sock 10 and shoes when the user puts on shoes while wearing the left sock 10.

[0021] 2A and 2B, the right sock 20 is constructed in the same manner as the left sock 10. Specifically, the right sock 20 is comprised of a body section 21, a foot section 22, and a toe section 23. At least the foot section 22, excluding the portion that corresponds to the arch of the foot when the right sock 20 is worn, and at least the toe section 23 and the leg section 25, which correspond to the area from the top of the heel to the top of the ankle when the right sock 20 is worn, are constructed of a non-slip fabric similar to that of the left sock 10. The inside surface that comes into contact with the foot when the right sock 20 is worn is the surface on which the first polyester fiber filament yarn of the non-slip fabric is exposed. The leading edge sewn section 26 and gore line 27 are also similar to the leading edge sewn section 16 and gore line 17 of the left sock 10. As with the left sock 10, two approximately square rubber protrusions 28 with rounded corners are provided on the bottom surface of the foot part 22, at least in the areas that correspond to the ball of the foot and the heel when the right sock 20 is worn. These protrusions 28 are configured similarly to the protrusions 18 of the left sock 10.

[0022] As described above, according to the first embodiment, in the left sock 10, at least the bottom surface of the foot portion 12, excluding the portion that corresponds to the arch of the foot when worn, and at least the portions of the toe portion 13 and leg portion 15 that correspond to the area from the top of the heel to the top of the ankle when worn, are made of the anti-slip fabric, and the inside surface that comes into contact with the foot when the left sock 10 is worn is the surface on which the first polyester fiber filament yarn of the anti-slip fabric is exposed. Therefore, slippage between the foot and the left sock 10 can be effectively prevented when the left sock 10 is worn. In addition, the protrusions 18 are provided on the bottom surface of the left sock 10 at the portions that correspond to the ball of the foot and the heel when the sock is worn, so that slippage between the left sock 10 and the shoe can be effectively prevented when the user puts on shoes wearing the left sock 10. The right sock 20 can also provide the same effects as the left sock 10. A sock consisting of the left sock 10 and the right sock 20 is ideal for users who play sports involving rotation around the body axis, such as golf, and allows them to demonstrate high athletic performance.

[0023] Second Embodiment [socks] A pair of socks (a left sock and a right sock) according to the second embodiment will now be described.

[0024] Fig. 3A shows the left side of the left sock 10 in its flattened state as sold. Fig. 3B shows the bottom of the left sock 10 in its unfolded state. Similarly, Fig. 4A shows the left side of the right sock 20 in its flattened state as sold, and Fig. 4B shows the bottom of the right sock 20 in its unfolded state.

[0025] As shown in Figures 3A and 3B, in the left sock 10, a plurality of circular rubber protrusions 18 are provided in a two-dimensional array over the entire bottom surface of the foot portion 12, except for the portion that corresponds to the arch of the foot when the left sock 10 is worn. The left sock 10 is otherwise similar to the left sock 10 of the first embodiment. As shown in Figures 4A and 4B, the right sock 20, like the left sock 10, has a plurality of circular rubber protrusions 28 provided in a two-dimensional array over the entire bottom surface of the foot portion 22, except for the portion that corresponds to the arch of the foot when the right sock 20 is worn.

[0026] According to the second embodiment, it is possible to obtain the same advantages as the first embodiment.

[0027] Third Embodiment [socks] A pair of socks (a left sock and a right sock) according to the third embodiment will now be described.

[0028] Fig. 5A shows the left side of the left sock 10 in its flattened state at the time of sale. Fig. 5B shows the bottom of the left sock 10 in its unfolded state. Similarly, Fig. 6A shows the left side of the right sock 20 in its flattened state at the time of sale, and Fig. 6B shows the bottom of the right sock 20 in its unfolded state.

[0029] As shown in Figures 5A and 5B, left sock 10 has a plurality of circular rubber protrusions 18 arranged in a two-dimensional array across the entire bottom surface of foot portion 12. This left sock 10 is otherwise similar to left sock 10 of the first embodiment. As shown in Figures 6A and 6B, right sock 20, like left sock 10, has a plurality of circular rubber protrusions 28 arranged in a two-dimensional array across the entire bottom surface of foot portion 22.

[0030] According to the third embodiment, it is possible to obtain the same advantages as the first embodiment.

[0031] Fourth Embodiment [socks] A pair of socks (a left sock and a right sock) according to the fourth embodiment will now be described.

[0032] Fig. 7A shows the left side of the left sock 10 in its flattened state at the time of sale. Fig. 7B shows the bottom of the left sock 10 in its unfolded state. Similarly, Fig. 8A shows the left side of the right sock 20 in its flattened state at the time of sale, and Fig. 8B shows the bottom of the right sock 20 in its unfolded state.

[0033] As shown in Figures 7A and 7B, left sock 10 has a single rubber protrusion 18 that covers the entire bottom surface of foot portion 12. This left sock 10 is otherwise similar to left sock 10 of the first embodiment. As shown in Figures 8A and 8B, right sock 20, like left sock 10, has a single rubber protrusion 28 that covers the entire bottom surface of foot portion 22.

[0034] According to the fourth embodiment, it is possible to obtain the same advantages as the first embodiment.

[0035] <Evaluation results of the anti-slip effect of socks> The results of an evaluation of the anti-slip effect of socks will be explained below.

[0036] [Example 1] Figures 9A, 9B, and 9C are photographs showing the surface of the left sock among the prototype socks. Figures 9A and 9B show the right and left sides, respectively, in a flat state similar to that at the time of sale, and Figure 9C shows the bottom surface of the left sock when unfolded. Figures 10A, 10B, and 10C are photographs showing the surface of the sock when turned inside out (the side that comes into contact with the foot when worn). Figure 10A shows the right side, Figure 10B shows the left side, and Figure 10C shows the bottom. Figures 11A and 11B are photographs showing the surface of the right sock among the prototype socks. Figure 11A shows the left side in a flat state similar to that at the time of sale, and Figure 11B shows the bottom surface of the right sock when unfolded. This sock corresponds to the sock according to the second embodiment. This sock prototype was made using a commercially available sock (product name "Nanobito Socks") described in Non-Patent Document 3. Specifically, since the commercially available socks have a strip-like portion made of cotton fabric extending from the arch to both sides, a portion using Nanofront® (the NANO tape portion) was excised from a commercially available girdle (manufactured by Wacoal Corporation, product number: GRC324) using Nanofront® and sewn onto the surface of the cotton fabric portion. Then, the left and right socks were turned inside out, and a non-slip liquid rubber (product name: "I Hate Slippery!") was applied in islands to the entire bottom surface of the left and right socks, except for the area that would correspond to the arch of the foot when the left and right socks are worn. This liquid rubber was composed of acrylic emulsion resin and pigment, and after hardening, it became rubbery and formed protrusions. The height of the protrusions thus formed was approximately 0.2 mm to 0.5 mm. The left and right socks thus produced are entirely made of anti-slip fabric using Nanofront (registered trademark), except for the elastic cuffs and the area that corresponds to the instep (dorsal part) when worn, and the exposed side of this anti-slip fabric, which is made of the first polyester fiber filament yarn with a single fiber diameter of 700 nm, forms the inside of the socks (the side that comes into contact with the foot when worn).

[0037] [Example 2] Figs. 12A and 12B are photographs showing the surface of one of the prototype socks, a left sock; Fig. 12A shows the right side in a flat state, as when sold, and Fig. 12B shows the bottom surface of the left sock when unfolded. Figs. 13A and 13B are photographs showing the surface of this left sock when turned inside out (the surface that comes into contact with the foot when worn), with Fig. 13A showing the right side and Fig. 13B showing the bottom. Figs. 14A and 14B are photographs showing the surface of one of the prototype socks, a right sock; Fig. 14A shows the left side in a flat state, as when sold, and Fig. 14B shows the bottom surface of the right sock when unfolded. Figs. 15A and 15B are photographs showing the surface of this right sock when turned inside out (the surface that comes into contact with the foot when worn), with Fig. 15A showing the left side and Fig. 15B showing the bottom. This sock corresponds to the sock according to the fourth embodiment. The method of making these socks is the same as that of the socks in Example 1, except that protrusions are formed on almost the entire bottom surface of both the left and right socks.

[0038] [Comparative Example 1] A commercially available golf sock (product name "EAGLE ONE SOX") was used as Comparative Example 1. The material of this golf sock was primarily cotton and polyester. Figures 16A, 16B, and 16C are photographs showing the surface of the right sock. Figures 16A and 16B show the right and left sides, respectively, of the sock in a flat state as when sold, and Figure 16C shows the bottom surface of the left sock when unfolded. Figures 17A, 17B, and 17C are photographs showing the inside-out surface of the right sock (the side that comes into contact with the foot when worn). Figure 17A shows the right side, Figure 17B shows the left side, and Figure 17C shows the bottom. The left sock is the same as the right sock. This sock has multiple rubber protrusions on almost the entire bottom surface to prevent slipping on the shoe. In addition, a rubber layer is provided on the inside of the heel of the sock to prevent slipping between the foot and the sock.

[0039] Comparative Example 2 The commercially available sock (product name "Nanobite Socks") described in Non-Patent Document 3 was used as Comparative Example 2. This sock is made of a non-slip fabric using Nanofront (registered trademark) except for a strip-shaped portion from the arch to both sides, a cuff, and a portion that corresponds to the instep (dorsal part) when worn, which is made of cotton fabric. The surface (outside surface) of the non-slip fabric, on which the first polyester fiber filament yarn with a single fiber diameter of 700 nm is exposed, forms the surface of the sock. Figures 18A, 18B, and 18C are photographs showing the surface of the right sock of this golf sock. Figures 18A and 18B show the right and left sides, respectively, in the same flat state as when sold, and Figure 18C shows the bottom surface of the right sock when unfolded. Figures 19A, 19B, and 19C are photographs showing the inside-out surfaces of these right-foot socks (the surfaces that come into contact with the foot when worn), with Figure 19A showing the right side, Figure 19B showing the left side, and Figure 19C showing the bottom. The left sock is the same as the right sock.

[0040] A subject (professional golfer) wore each of the socks from Example 1, Comparative Example 1, and Comparative Example 2, placed a commercially available anti-slip rubber sheet on a balance plate composed of over 2,000 high-resolution pressure sensors, placed a 1 mm thick acrylic plate on top of that, stood with both feet on the acrylic plate, and swung a golf club (fairway wood). Swing analysis was performed using commercially available swing analysis software (product name "Swing Catalyst") and a camera system. The analysis results are described below.

[0041] [Analysis results when swinging while wearing socks according to Example 1] Figure 20 shows the analysis results and is an analysis screen from swing analysis software. The center of the screen in Figure 20 shows a photograph of a shot with a fairway wood. The right side of the screen displays, from top to bottom, the following measurement results: Pressure and Stance (the distribution of foot pressure at the moment of follow-through and the center position of both feet), Force-Horizontal-X axis (the lateral force generated by horizontal movement), Torque (Plate)-Vertical-Z axis (the torque generated by rotational movement), and Force-Vertical-Z axis (the force pushing the foot vertically). These forces and torques are generated by factors such as friction between the sock and the balance plate and the reaction force from the balance plate. Here, the torque is generated as a result of planting the left foot firmly from impact to finish during a fairway wood shot.

[0042] The maximum torque occurred during the downswing, and the torque value at that time was 96FF / 60N·m, as shown in Figure 20. FF is the force factor, which is the maximum absolute moment divided by the subject's body weight in kilograms. The maximum absolute moment is the maximum moment generated by the rotation of the foot relative to the ground during the movement. The instantaneous foot pressure distribution at the follow-through was 67% left foot and 33% right foot.

[0043] Figures 21A and 21B show the bottom of the left sock before and after the swing, respectively. Figures 21A and 21B show that there is almost no twisting of the bottom of the left sock after the swing compared to before the swing. The subject did not feel much of the sock slipping when he swung.

[0044] [Analysis results when swinging while wearing socks according to Comparative Example 1] The analysis results are shown in Figure 22. The maximum torque was reached during the downswing, and the torque value at that time was 89FF / 56N m, as shown in Figure 22. This torque value is equivalent to the torque value when the socks according to Example 1 were used. The distribution of foot pressure at the moment of follow-through was 55% for the left foot and 45% for the right foot.

[0045] 23A and 23B show the bottom of the left sock before and after the swing, respectively. From Fig. 23A and Fig. 23B, it can be seen that the bottom of the left sock has an S-shaped twist after the swing compared to before the swing. The subject felt that the sock was slipping off when he swung.

[0046] [Analysis results when swinging while wearing socks according to Comparative Example 2] The analysis results are shown in Figure 24. The maximum torque was reached during the downswing, and the torque value at that time was 96FF / 60N·m, as shown in Figure 24. This torque value is equivalent to the torque value when the socks according to Example 1 were used. The distribution of foot pressure at the moment of follow-through was 72% for the left foot and 28% for the right foot.

[0047] 25A and 25B show the bottom of the left sock before and after the swing, respectively. It can be seen from FIGS. 25A and 25B that the bottom of the left sock is twisted after the swing compared to before the swing. The subject felt a slight shift in the sock when he swung.

[0048] The above test results show that the socks of Example 1 have a higher anti-slip effect between the foot and the socks and between the socks and the acrylic plate when swinging a golf club than the socks of Comparative Examples 1 and 2.

[0049] A separate test was conducted to evaluate the anti-slip effect of each of the socks in Example 1, Comparative Example 1, and Comparative Example 2. The results will now be described.

[0050] As shown in Figure 26A, the same subject as in the swing test wore each of the socks in Example 1, Comparative Example 1, and Comparative Example 2. The subject stood on a platform inclined at 25 degrees from the floor indoors, and the slippage of the sock sole due to slippage was examined. An inverted mat from an indoor golf driving range was used as the platform. As shown in Figure 26B, a commercially available non-slip rubber sheet was laid on the platform's upper surface, where both feet would rest. A 1 mm-thick acrylic plate was then laid on top of that, and the subject stood with both feet on top of that. Both feet were spread apart in the direction of the platform's inclination. The experiment involved remaining on the inclined surface for 10 seconds.

[0051] [Test results when standing on an inclined surface while wearing socks according to Example 1] Figure 27 shows the test performed while standing on the platform with the right foot on the lower side and the left foot on the higher side. Figures 28A and 28B show the bottom of the right sock before and after the test, respectively. Figures 28A and 28B show that there was almost no twisting of the bottom of the right sock before and after the test. The subject felt almost no slippage between the sock and the foot or between the sock and the acrylic board, and was able to stand firmly on the platform.

[0052] Figure 29 shows the test subject standing on the platform with his body facing the opposite direction from Figure 27, with his left foot on the lower side and his right foot on the higher side. Figures 30A and 30B show the bottom of the left sock before and after the test, respectively. Figures 30A and 30B show that there is almost no twisting of the bottom of the left sock before and after the test. The subject felt almost no slippage between the sock and his foot or between the sock and the acrylic board, and was able to stand firmly on the platform.

[0053] [Test results when standing on an inclined surface while wearing socks according to Comparative Example 1] Figure 31 shows the test performed while standing on a platform with the right foot on the lower side and the left foot on the higher side. Figures 32A and 32B show the bottom of the right sock before and after the test, respectively. Figures 32A and 32B show that the bottom of the right sock after the test was significantly twisted compared to before the test. The subject was unable to remain on the inclined surface for 10 seconds.

[0054] Figure 33 shows the test subject standing on the platform with his body facing the opposite direction to that shown in Figure 31, with his left foot on the lower side and his right foot on the higher side. Figures 34A and 34B show the bottom of the left sock before and after the test, respectively. Figures 34A and 34B show that the bottom of the left sock after the test was significantly twisted compared to before the test. The subject was unable to remain on the inclined surface for 10 seconds.

[0055] [Test results when standing on an inclined surface while wearing socks according to Comparative Example 2] Figure 35 shows the test performed while standing on a platform with the right foot on the lower side and the left foot on the higher side. Figures 36A and 36B show the bottom of the right sock before and after the test, respectively. Figures 36A and 36B show that the bottom of the right sock is slightly twisted after the test compared to before the test.

[0056] Figure 37 shows the test subject standing on a platform with their body facing in the opposite direction to that shown in Figure 35, with their left foot on the lower side and their right foot on the higher side. Figures 38A and 38B show the bottom of the left sock before and after the test, respectively. Figures 38A and 38B show that the bottom of the left sock is slightly twisted after the test compared to before the test.

[0057] The above test results show that the socks of Example 1 have a higher anti-slip effect between the foot and the socks, and between the socks and the inclined surface (acrylic plate), compared to the socks of Comparative Examples 1 and 2.

[0058] A test subject (professional golfer) wore each of the socks of Example 2, Comparative Example 1, and Comparative Example 2, placed a commercially available anti-slip rubber sheet on a balance plate, placed a 1 mm thick acrylic plate on top of that, stood with both feet on the sheet, and swung a golf club (driver), and a swing analysis was performed. The analysis results are explained below.

[0059] [Analysis results when swinging with socks according to Example 2] Figure 39 shows the analysis results and is an analysis screen from swing analysis software. A photo of a driver shot is shown in the center of the screen in Figure 39. The measurement results are displayed on the right side of the screen in Figure 39. The torque was generated as a result of planting the left foot firmly from impact to finish when hitting the driver.

[0060] The maximum torque was reached during the downswing, and the torque value at that time was 121FF / 76N·m, as shown in Figure 39. The distribution of foot pressure at the moment of follow-through was 57% on the left foot and 43% on the right foot.

[0061] 40A and 40B show the bottom of the left sock before and after the swing, respectively. 41A and 41B show the bottom of the right sock before and after the swing, respectively. From FIGS. 40A and 40B, it can be seen that there is almost no twisting of the bottom of the left sock after the swing compared to before the swing. Also, from FIGS. 41A and 41B, it can be seen that there is a slight twisting of the bottom of the right sock after the swing compared to before the swing. The subject felt almost no slippage when swinging.

[0062] [Analysis results when swinging while wearing socks according to Comparative Example 1] The analysis results are shown in Figure 42. The maximum torque was reached during the downswing, and the torque value at that time was 117FF / 73N m, as shown in Figure 42. This torque value is equivalent to the torque value when the socks according to Example 2 were used. The distribution of foot pressure at the moment of follow-through was 59% for the left foot and 41% for the right foot.

[0063] Figures 43A and 43B show the bottom of the left sock before and after the swing, respectively. Figures 44A and 44B show the bottom of the right sock before and after the swing, respectively. Figures 43A and 43B show that after the swing, a large S-shaped twist occurs in the bottom of the left sock compared to before the swing. Figures 44A and 44B show that after the swing, a small twist occurs in the bottom of the right sock compared to before the swing. The subject felt that his foot was slipping inside the sock when he swung.

[0064] [Analysis results when swinging while wearing socks according to Comparative Example 2] The analysis results are shown in Figure 45. The maximum torque was reached during the downswing, and the torque value at that time was 116FF / 73 N m, as shown in Figure 45. This torque value is equivalent to the torque value when the socks according to Example 2 were used. The distribution of foot pressure at the moment of follow-through was 68% for the left foot and 32% for the right foot.

[0065] Figures 46A and 46B show the bottom of the left sock before and after the swing, respectively. Figures 47A and 47B show the bottom of the right sock before and after the swing, respectively. During the swing, the friction on the acrylic plate was small, so the foot felt like it was slipping off. Figures 46A and 46B show that there is almost no twisting of the bottom of the left sock after the swing compared to before the swing. This is thought to be the result of the foot slipping off as described above, and is therefore not useful for judging the anti-slip effect. Figures 47A and 47B show that there is a large twisting of the bottom of the right sock after the swing compared to before the swing.

[0066] The above test results show that the socks of Example 2 have a higher anti-slip effect between the foot and the socks and between the socks and the acrylic plate when swinging a golf club than the socks of Comparative Examples 1 and 2.

[0067] A separate test was conducted to evaluate the anti-slip effect of each of the socks in Example 2, Comparative Example 1, and Comparative Example 2. The test method was the same as the test conducted on the inclined surface of the platform to evaluate the anti-slip effect of each of the socks in Example 1, Comparative Example 1, and Comparative Example 2. The results will now be described.

[0068] [Test results when standing on an inclined surface while wearing socks according to Example 2] Figure 48 shows the test performed while standing on the platform with the right foot on the lower side and the left foot on the higher side. Figures 49A and 49B show the bottom of the right sock before and after the test, respectively. Figures 49A and 49B show that there was almost no twisting of the bottom of the right sock before and after the test. The subject felt almost no slippage between the sock and his foot or between the sock and the acrylic board, and was able to stand firmly on the platform without feeling like the sock was slipping away.

[0069] Figure 50 shows the test subject standing on the platform with his body facing the opposite direction to that shown in Figure 48, with his left foot on the lower side and his right foot on the higher side. Figures 51A and 51B show the bottom of the left sock before and after the test, respectively. Figures 51A and 51B show that there is almost no twisting in the bottom of the left sock before and after the test. The subject felt almost no slippage between the sock and his foot or between the sock and the acrylic plate, and was able to stand firmly on the platform without feeling like the sock was slipping away.

[0070] [Test results when standing on an inclined surface while wearing socks according to Comparative Example 1] Figure 52 shows the test performed while standing on a platform with the right foot on the lower side and the left foot on the higher side. Figures 53A and 53B show the bottom of the right sock before and after the test, respectively. Figures 53A and 53B show that the bottom of the right sock after the test was significantly twisted compared to before the test. The subject was unable to remain on the inclined surface for 10 seconds.

[0071] Figure 54 shows the test subject standing on the platform with his body facing the opposite direction to that shown in Figure 52, with his left foot on the lower side and his right foot on the higher side. Figures 55A and 55B show the bottom of the left sock before and after the test, respectively. Figures 55A and 55B show that the bottom of the left sock after the test was significantly twisted compared to before the test. The subject was unable to remain on the inclined surface for 10 seconds.

[0072] [Test results when standing on an inclined surface while wearing socks according to Comparative Example 2] Figure 56 shows the test performed while standing on the platform with the right foot on the lower side and the left foot on the higher side. Figures 57A and 57B show the bottom of the right sock before and after the test, respectively. Figures 57A and 57B show that the bottom of the right sock after the test was significantly twisted compared to before the test. The subject was able to remain on the inclined surface for 10 seconds despite feeling a shift.

[0073] Figure 58 shows the test subject standing on the platform with his body facing the opposite direction to that shown in Figure 56, with his left foot on the lower side and his right foot on the higher side. Figures 59A and 59B show the bottom of the left sock before and after the test, respectively. Figures 59A and 59B show that the bottom of the left sock was slightly twisted after the test compared to before the test. The subject was able to remain on the inclined surface for 10 seconds, despite feeling a shift.

[0074] The above test results show that the socks of Example 2 have a higher anti-slip effect between the foot and the socks, and between the socks and the inclined surface (acrylic plate), compared to the socks of Comparative Examples 1 and 2.

[0075] A test was conducted to evaluate the anti-slip effect of each of the socks of Example 2, Comparative Example 1 and Comparative Example 2 when swinging with a 7 iron on an inclined surface.

[0076] As shown in Figure 60, the same subject as in the swing test wore each of the socks from Example 2, Comparative Example 1, and Comparative Example 2. The subject stood on a platform inclined at 5 degrees from the floor indoors and swung with a 7-iron. The slippage of the sock sole due to slippage was examined. An inverted mat from one of the indoor golf driving ranges was used as the platform. As in Figure 26B, a commercially available non-slip rubber sheet was laid on the platform's upper surface, where both feet would rest. A 1-mm-thick acrylic plate was then placed on top of that, and the subject stood with both feet on the acrylic plate. Four different positions were used: feet placed perpendicular to the platform's inclination with the toes pointing down; feet placed perpendicular to the platform's inclination with the toes pointing up; feet placed perpendicular to the platform's inclination with the left foot on the bottom; and feet placed parallel to the platform's inclination with the right foot on top.

[0077] [Test results when swinging a 7-iron on an inclined surface while wearing socks according to Example 2] Figure 61 shows the test performed while standing on the platform with both feet apart perpendicular to the platform's inclination and with the toes pointing downwards. Figures 62A and 62B show the bottom of the right sock before and after the test, respectively. Figures 63A and 63B show the bottom of the right sock before and after the test, respectively. Figures 62A and 62B show that there is almost no twisting in the bottom of the right sock before and after the test. Figures 63A and 63B show that there is a slight twisting in the bottom of the right sock before and after the test. The subject's feet were almost completely still and did not move.

[0078] Figure 64 shows the test performed while standing on the platform with both feet apart perpendicular to the platform's inclination and toes pointing upward. Figures 65A and 65B show the bottom of the left sock before and after the test, respectively. Figures 66A and 66B show the bottom of the right sock before and after the test, respectively. Figures 65A and 65B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 66A and 66B show that there is almost no twisting in the bottom of the right sock before and after the test. The subject's left foot experienced almost no slippage, and their right foot felt a slight slippage, but both the bare foot and the acrylic plate felt a firm grip.

[0079] Figure 67 shows the test performed while standing on the platform with both feet apart and the left foot facing downwards. Figures 68A and 68B show the bottom of the left sock before and after the test, respectively. Figures 69A and 69B show the bottom of the right sock before and after the test, respectively. Figures 68A and 68B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 69A and 69B show that there is some twisting in the bottom of the right sock before and after the test. The subject felt a slight shift in the middle of both feet, but felt a sense of grip on their bare feet. Both the left and right socks had rubber protrusions on the entire bottom, which provided firm adhesion to the acrylic plate, allowing them to swing with full force.

[0080] Figure 70 shows the test performed while standing on the platform with both feet apart in the direction of the platform's inclination, with the right foot on the bottom. Figures 71A and 71B show the bottom of the left sock before and after the test, respectively. Figures 72A and 72B show the bottom of the right sock before and after the test, respectively. Figures 71A and 71B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 72A and 72B show that there is almost no twisting in the bottom of the right sock before and after the test. The subject's feet felt almost perfectly still and immobile.

[0081] [Test results when swinging a 7-iron on an inclined surface while wearing socks according to Comparative Example 1] Figure 73 shows the test performed while standing on the platform with both feet apart and toes pointing downward, perpendicular to the platform's inclination. Figures 74A and 74B show the bottom of the left sock before and after the test, respectively. Figures 75A and 75B show the bottom of the right sock before and after the test, respectively. Figures 74A and 74B show that significant twisting occurred in the bottom of the left sock before and after the test. Figures 75A and 75B show that significant twisting occurred in the bottom of the right sock before and after the test. The subject felt a significant misalignment between the bare foot and the sock from impact to the finish. The twisting was greater when the foot was on the acrylic plate at the finish, but the twisting slightly relaxed when the foot was released from the acrylic plate due to the lack of anti-slip material on the bare foot side.

[0082] Figure 76 shows the test performed while standing on the platform with both feet apart perpendicular to the inclination of the platform and with the toes pointing upward. Figures 77A and 77B show the bottom of the left sock before and after the test, respectively. Figures 78A and 78B show the bottom of the right sock before and after the test, respectively. Figures 77A and 77B show that a significant twist occurred in the bottom of the left sock before and after the test. Figures 78A and 78B show that a significant twist occurred in the bottom of the right sock before and after the test. The subject felt a significant misalignment between his bare foot and the sock from impact to finish.

[0083] Figure 79 shows the test performed while standing on the platform with both feet apart in the direction of the platform's inclination, with the left foot placed underneath. Figures 80A and 80B show the bottom of the left sock before and after the test, respectively. Figures 81A and 81B show the bottom of the right sock before and after the test, respectively. Figures 80A and 80B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 81A and 81B show that there is slight twisting in the bottom of the right sock before and after the test. The subject planted both feet firmly to prevent the center of gravity from shifting to the left from impact to finish, resulting in twisting of the right foot and little shifting of the left foot.

[0084] Figure 82 shows the test performed while standing on the platform with both feet apart in the direction of the platform's inclination, with the right foot placed underneath. Figures 83A and 83B show the bottom of the left sock before and after the test, respectively. Figures 84A and 84B show the bottom of the right sock before and after the test, respectively. Figures 83A and 83B show that a significant twist occurred in the bottom of the left sock before and after the test. Figures 84A and 84B show that a significant twist occurred in the bottom of the right sock before and after the test. From the downswing to the finish, the subject kicked the acrylic board with his right foot to shift his center of gravity to the left, and then braced his left foot for the shot, so that both his right and left feet felt twisted during the swing.

[0085] [Test results when swinging a 7-iron on an inclined surface while wearing socks according to Comparative Example 2] Figure 85 shows the test performed while standing on the platform with both feet apart perpendicular to the platform's inclination and toes pointing downward. Figures 86A and 86B show the bottom of the left sock before and after the test, respectively. Figures 87A and 87B show the bottom of the right sock before and after the test, respectively. Figures 86A and 86B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 87A and 87B show that there is slight twisting in the bottom of the right sock before and after the test. After the shot, the subject's left foot externally rotated to the left on the acrylic plate, so there was no twisting in the bottom of the left sock. No movement was observed in the right foot, but there was a slight twisting in the bottom of the right sock.

[0086] Figure 88 shows the test performed while standing on the platform with both feet apart and toes pointing upward, perpendicular to the platform's inclination. Figures 89A and 89B show the bottom of the left sock before and after the test, respectively. Figures 90A and 90B show the bottom of the right sock before and after the test, respectively. Figures 89A and 89B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 90A and 90B show that there is a significant twisting in the bottom of the right sock before and after the test. The subject felt a twisting sensation inside the right sock during the swing. There was no visible shift in the bottom of the left sock, but the sole of the foot slipped on the acrylic plate, causing it to externally rotate to the left.

[0087] Figure 91 shows the test performed while standing on the platform with both feet apart in the direction of the platform's inclination, with the left foot placed underneath. Figures 92A and 92B show the bottom of the left sock before and after the test, respectively. Figures 93A and 93B show the bottom of the right sock before and after the test, respectively. Figures 92A and 92B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 93A and 93B show that there is a significant twisting in the bottom of the right sock before and after the test. The subject braced both feet to avoid shifting their center of gravity to the left from impact to finish, resulting in a significant twisting in the bottom of the right sock and no twisting in the bottom of the left sock.

[0088] Figure 94 shows the test performed on a platform with both feet apart in the direction of the platform's inclination, with the right foot positioned downwards. Figures 95A and 95B show the bottom of the left sock before and after the test, respectively. Figures 96A and 96B show the bottom of the right sock before and after the test, respectively. Figures 95A and 95B show that there is almost no twisting in the bottom of the left sock before and after the test. Figures 96A and 96B show that there is a significant twisting in the bottom of the right sock before and after the test. From the downswing to the finish, the subject kicked the acrylic board with his right foot to shift his center of gravity to the left, and then planted his left foot to take the shot, so he felt a twisting sensation inside the right sock during the swing. There was no visible shifting in the bottom of the left sock, but the sole of his foot slipped on the acrylic board, causing it to externally rotate to the left.

[0089] The above test results show that the socks of Example 2 have a higher anti-slip effect between the foot and the socks and between the socks and the inclined surface (acrylic plate) when swinging than the socks of Comparative Examples 1 and 2.

[0090] Although the embodiments of the present invention have been specifically described above, the present invention is not limited to the above-described embodiments, and various modifications based on the technical concept of the present invention are possible.

[0091] For example, the numerical values, configurations, shapes, arrangements, materials, methods, etc. listed in the above-described embodiments are merely examples, and different numerical values, configurations, shapes, arrangements, materials, methods, etc. may be used as needed. [Explanation of symbols]

[0092] 10...sock for left foot, 11...body part, 12...foot part, 13...toe part, 14...elastic cuff part, 15...leg part, 17...gore line, 18...protruding part, 20...sock for right foot, 21...body part, 22...foot part, 23...toe part, 24...elastic cuff part, 25...leg part, 27...gore line, 28...protruding part

Claims

1. the anti-slip fabric comprising a first polyester fiber filament yarn having a single fiber diameter of 10 nm or more and 3000 nm or less and a second polyester fiber filament yarn having a single fiber diameter larger than that of the first polyester fiber filament yarn, and the first polyester fiber filament yarn being exposed on either the front or back surface of the fabric, the anti-slip fabric comprising at least a portion of the foot part excluding a portion corresponding to the arch of the foot when worn, and at least a portion of the toe part and leg part corresponding to the portion from the top of the heel to the top of the ankle when worn; protrusions made of rubber provided on the bottom of the foot part at least in the areas corresponding to the ball of the foot and the heel when the shoe is worn; and The socks have an inner surface that comes into contact with the foot when worn, which is constituted by the surface of the anti-slip fabric on which the first polyester fiber filament yarn is exposed.

2. 2. The sock according to claim 1, wherein the single fiber diameter of the first polyester fiber filament yarn is 510 nm or more and 2000 nm or less.

3. 2. The sock according to claim 1, wherein the single fiber diameter of said first polyester fiber filament yarn is 700 nm.

4. The sock according to any one of claims 1 to 3, wherein the protrusions are provided separately from one another over the entire bottom surface of the foot portion except for the area corresponding to the arch of the foot when the sock is worn.

5. The sock according to any one of claims 1 to 3, wherein the protrusion is provided over the entire bottom surface of the foot portion.

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