Shoe

Abstract

To provide a shoe improving a fit of an outsole to a midsole and an upper.SOLUTION: A shoe includes: an outsole having a ground contact surface, a midsole located above the outsole; an upper located above the outsole and the midsole and covering at least a part of a wearer's foot; and a plurality of linear bodies disposed on the upper, extending in a first direction and extending in a second direction intersecting the first direction. The outsole has a side surface part extending from the ground contact surface and covering at least a part of a side surface of the midsole. The plurality of linear bodies include a first portion connected to the side surface part of the outsole, and a second portion disposed in a portion other than the first portion and in which the plurality of linear bodies adjacent to each other are hooked to each other.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to shoes. [Background technology]

[0002] Known shoes include an outsole, a midsole located above the outsole, and an upper located above the outsole and midsole and covering at least a part of the wearer's foot. In recent years, shoes have been proposed in which the outsole, midsole, and upper are engageable with one another in order to facilitate disassembly of the shoes after use (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] US Patent Application Publication No. 2023 / 0292877 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in shoes in which the outsole, midsole, and upper are engageable with one another, the outsole may not be able to impart sufficient tension to the midsole and upper, which may result in a poor fit of the outsole.

[0005] The present disclosure aims to provide a shoe that achieves an improved fit of the outsole to the midsole and upper. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, the shoe of the present disclosure comprises an outsole having a ground contact surface, a midsole located above the outsole, an upper located above the outsole and the midsole and covering at least a portion of a wearer's foot, and a plurality of linear bodies located on the upper and extending in a first direction and extending in a second direction intersecting the first direction, the outsole having a side portion extending from the ground contact surface and covering at least a portion of a side of the midsole, the plurality of linear bodies having a first portion connecting to the side portion of the outsole and a second portion located in a portion other than the first portion and in which adjacent linear bodies are hooked onto each other. [Effects of the Invention]

[0007] According to the present disclosure, it is possible to achieve an improved fit of the outsole to the midsole and upper. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view showing an example of a shoe according to a first embodiment. [Figure 2] FIG. 2 is a development view showing an example of an upper of a shoe according to the first embodiment. [Figure 3] FIG. 3 is a development view showing another example of the upper of the shoe according to the first embodiment. [Figure 4] FIG. 4 is a cross-sectional view taken along line IV-IV shown in FIG. [Figure 5] FIG. 5 is a cross-sectional view taken along line VV shown in FIG. [Figure 6] FIG. 6 is an enlarged view of part A shown in FIGS. [Figure 7] FIG. 7 is a bottom view showing the outsole of the shoe according to the first embodiment. [Figure 8] FIG. 8 is a side view showing a connecting portion of an outsole of the shoe according to the first embodiment. [Figure 9]FIG. 9 is a perspective view showing the shoe according to the first embodiment, illustrating a state in which the linear body is pulled. [Figure 10] FIG. 10 is a front cross-sectional view showing the shoe according to the first embodiment, illustrating a state in which the linear body is pulled. [Figure 11] FIG. 11 is a perspective view showing a shoe according to the second embodiment. [Figure 12] FIG. 12 is a perspective view showing a shoe according to the third embodiment. [Figure 13] FIG. 13 is a perspective view showing a shoe according to the fourth embodiment. [Figure 14] FIG. 14 is a perspective view showing a shoe according to the fifth embodiment. [Figure 15] FIG. 15 is a perspective view showing a shoe according to the sixth embodiment. [Figure 16] FIG. 16 is a diagram showing a third portion of the shoes according to the fifth and sixth embodiments. [Figure 17] FIG. 17 is a front cross-sectional view showing a shoe according to another embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, an embodiment of the shoe of the present disclosure will be described in detail with reference to the drawings. However, the present disclosure is not limited to this embodiment. In the following description, the same parts are designated by the same reference numerals, and duplicated description will be omitted.

[0010] (First embodiment) FIG. 1 is a perspective view showing an example of a shoe 1 according to the first embodiment. FIG. 2 is a development view showing an example of an upper 2 of the shoe 1 according to the first embodiment. Each of the drawings, including FIG. 1 and FIG. 2, shows only the shoe 1 for the right foot. In this embodiment, only the shoe 1 for the right foot will be described, and a description of the shoe 1 for the left foot will be omitted.

[0011] In the following description, the direction in which a shoe center axis C (see FIG. 2), which is a perpendicular line passing through the center of the shoe 1 when viewed from above, extends is referred to as the foot length direction, and the direction perpendicular to the foot length direction when viewed from above is referred to as the foot width direction. Within the foot length direction, the direction from the heel to the toe in the shoe 1 is referred to as the forward direction, and the direction from the toe to the heel in the shoe 1 is referred to as the rearward direction.

[0012] The side of the foot that is closest to the midline in the anatomical orthogonal position is called the medial side, and the side of the foot that is opposite the midline in the anatomical orthogonal position is called the lateral side. In other words, the side closest to the midline in the anatomical orthogonal position is called the medial side, and the side farthest from the midline in the anatomical orthogonal position is called the lateral side.

[0013] Furthermore, unless otherwise specified, the vertical direction means a direction perpendicular to both the foot length direction and the foot width direction.

[0014] 1 and 2 are used as running shoes, other sports shoes, walking shoes, hiking shoes, casual shoes, etc. The shoes 1 include an upper 2, a sole 3, a cord lock 4, and a cord chip 5.

[0015] As shown in FIG. 1 , the upper 2 is positioned above the sole 3. The upper 2 covers at least a portion of the foot of a wearer of the shoe 1. In this embodiment, the upper 2 covers the forefoot, midfoot, rearfoot, and sole of the foot of a wearer of the shoe 1. The upper 2 comprises a cloth-like base material 20 having at least one layer 20a, and a plurality of linear bodies 21 arranged side by side on the base material 20 and formed independently of one another. In this embodiment, an upper 2 with a monosock structure will be described as an example.

[0016] The base material 20 covers at least a portion of the instep. An opening 22 is formed at the top of the base material 20 for inserting the wearer's foot. Materials that can be used for the base material 20 include knitted fabrics in which yarns are rolled into a chain shape and the chain-shaped portions are hooked together to form a cloth, woven fabrics in which warp and weft threads are crossed at a certain angle to form a cloth, and braided fabrics in which three or more braided yarns are crossed and run diagonally to form a cloth. In order to run the linear bodies 21 at multiple angles to the knitting direction, it is preferable to use warp knit as the material for the base material 20. The material for the base material 20 is not limited to the materials exemplified above. Details of the base material 20 and the linear bodies 21 will be described later.

[0017] The sole 3 is located below the upper 2. The sole 3 covers the sole of the foot. The sole 3 is connected to the base material 20 by stitching, welding, adhesion, or a combination thereof. The sole 3 includes an outsole 31 and a midsole 32. The bottom surface of the outsole 31 forms a contact surface 311 that contacts the ground. Details of the outsole 31 will be described later. The midsole 32 is located above the outsole 31. The midsole 32 has cushioning properties.

[0018] Cord lock 4 fixes linear body 21 so that it cannot move. Cord lock 4 is provided with, for example, an insertion hole (not shown) through which linear body 21 exposed to the outside of base material 20 is inserted. The shape of the insertion hole is, for example, circular. The number of insertion holes is, for example, two.

[0019] The cord chip 5 prevents the linear body 21 from slipping out of the cord lock 4. The cord chip 5 is attached to the heel-side end of the linear body 21 that is exposed to the outside of the base material 20. The thickness of the cord chip 5 is larger than the inner circumferential dimension of the insertion hole of the cord lock 4.

[0020] As shown in FIG. 2, the upper 2 includes an upper forefoot section R1 that covers the forefoot of the wearer's foot, an upper midfoot section R2 that covers the midfoot of the wearer's foot, an upper rearfoot section R3 that covers the rearfoot of the wearer's foot, and an upper sole section R4 that covers the sole of the wearer's foot. The upper forefoot section R1, upper midfoot section R2, and upper rearfoot section R3 are arranged in this order from the front to the rear of the upper 2. The upper sole section R4 is formed continuously with the upper midfoot section R2 and upper rearfoot section R3. The upper sole section R4 is connected to the lower edges of the upper midfoot section R2 and upper rearfoot section R3 on the medial side of the foot. The upper sole section R4 forms a midsole that covers a lower opening formed by the lower edges of the upper forefoot section R1, the lower edges of the upper midfoot section R2, and the lower edges of the upper rearfoot section R3.

[0021] In this embodiment, a line extending in the foot width direction from the front end of the upper 2 to a position corresponding to approximately 25% of the foot length dimension of the upper 2 is defined as the first boundary line S1, and a line extending in the foot width direction from the front end of the upper 2 to a position corresponding to approximately 66% of the foot length dimension of the upper 2 is defined as the second boundary line S2. The first boundary line S1 is a line that roughly follows the MP joint of the wearer. The second boundary line S2 is a line that roughly follows the Chopart joint of the wearer. The upper forefoot portion R1 is a portion located forward of the first boundary line S1. The upper midfoot portion R2 is a portion located between the first boundary line S1 and the second boundary line S2. The upper rearfoot portion R3 is a portion located rearward of the second boundary line S2.

[0022] Next, the substrate 20 and the linear body 21 will be described in detail.

[0023] As shown in Fig. 2, the base material 20 includes an upper forefoot portion R1, an upper midfoot portion R2, an upper rearfoot portion R3, and an upper sole portion R4. The upper sole portion R4 is connected to the upper surface of the midsole 32 shown in Fig. 1 by adhesive bonding or welding. Although not shown, the shoe 1 may also include an insole. If the shoe 1 includes an insole, the insole is placed inside the upper 2 and on top of the upper sole portion R4.

[0024] When assembling the upper 2, the upper sole portion R4 is folded around the boundary between the upper midfoot portion R2 and the upper rearfoot portion R3 and the upper sole portion R4 as a base point so that the upper sole portion R4 covers the lower opening formed by the lower edge of the upper forefoot portion R1, the lower edge of the upper midfoot portion R2, and the lower edge of the upper rearfoot portion R3. When the upper 2 is assembled, the edge of the upper sole portion R4 adjacent to the boundary between the upper midfoot portion R2 and the upper rearfoot portion R3 becomes the medial edge of the upper sole portion R4, and the edge of the upper sole portion R4 opposite the medial edge in the foot width direction becomes the lateral edge.

[0025] The upper 2 includes a cloth-like base material 20 having one layer 20a. That is, the upper 2 (base material 20 of the upper 2) has a single-layer structure. As shown in FIGS. 1 and 2, a plurality of linear bodies 21 are exposed on the surface of the upper 2.

[0026] 1 and 2 is, for example, a thread formed by bundling a plurality of fibers, a linear resin, a twisted yarn, etc. Materials that can be used for the linear body 21 include, for example, polyurethane thermoplastic elastomer, polyurethane, nylon, spandex, Kevlar (registered trademark), ultra-high molecular weight polyethylene, and polyurethane-covered SCY (Single Covered Yarn) or DCY (Double Covered Yarn).

[0027] As shown in FIG. 2 , the linear bodies 21 are arranged over the entire area of ​​the upper forefoot portion R1, the upper midfoot portion R2, the upper rearfoot portion R3, and the upper sole portion R4. That is, the linear bodies 21 are arranged over the entire area of ​​the base material 20, including the heel portion and the instep portion of the shoe 1. The multiple linear bodies 21 extend in the foot length direction and are arranged side by side in the foot width direction. In this embodiment, the foot length direction is the first direction, and the foot width direction is the second direction intersecting the first direction. Some of the multiple linear bodies 21 are arranged in the heel portion of the shoe 1. Some of the multiple linear bodies 21 are arranged around the opening 22. The linear bodies 21 may also be arranged in parts of the upper forefoot portion R1, the upper midfoot portion R2, the upper rearfoot portion R3, and the upper sole portion R4.

[0028] Each of the multiple linear bodies 21 includes a first portion 21a and a second portion 21b. The first portion 21a is a portion that is connected to a connecting portion 313 (see FIGS. 7 and 8) of the outsole 31, which will be described later. When there are multiple first portions 21a, not all of the first portions 21a need to be connected to the connecting portion 313; for example, some of the first portions 21a may be connected to the layer 20a. The second portion 21b is disposed in a portion of the linear body 21 other than the first portion 21a. The second portion 21b is a portion where adjacent multiple linear bodies 21 are hooked together. In FIG. 2, the portion where adjacent linear bodies 21 are hooked together is surrounded by a dashed circle, which corresponds to portion A in FIG. 2.

[0029] 3 to 5, the upper 2 may include a cloth-like base material 20 having two or more layers. FIG. 3 is a developed view showing another example of the upper 2 of the shoe 1 according to the first embodiment. In FIG. 3, parts denoted by the same reference numerals as in FIG. 2 indicate the same parts as in the example shown in FIG. 2. In the description using FIG. 3, parts denoted by the same reference numerals as in FIG. 2 may be omitted. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. FIG. 5 is a cross-sectional view taken along line VV in FIG. 3. As shown in FIGS. 4 and 5, the base material 20 includes a first layer 20a and a second layer 20b disposed with a gap between them. The first layer 20a and the second layer 20b may be integrally formed from a single material.

[0030] 3, in the upper forefoot portion R1, upper midfoot portion R2, and upper rearfoot portion R3, the first layer 20a shown in FIGS. 4 and 5 is the layer facing toward the exterior of the upper 2, and the second layer 20b is the layer facing toward the interior of the upper 2. In the upper sole portion R4 shown in FIG. 3, the second layer 20b shown in FIGS. 4 and 5 is the layer facing toward the interior of the upper 2, and the first layer 20a is the layer facing toward the exterior of the upper 2.

[0031] 2, the linear body 21 shown in Fig. 3 is, for example, a thread formed by bundling a plurality of fibers, a linear resin, a twisted thread, etc. Examples of materials that can be used for the linear body 21 include polyurethane thermoplastic elastomer, polyurethane, nylon, spandex, Kevlar (registered trademark), ultra-high molecular weight polyethylene, and polyurethane-covered SCY or DCY.

[0032] The linear bodies 21 are arranged over the entire area of ​​the upper forefoot portion R1, the upper midfoot portion R2, the upper rearfoot portion R3, and the upper sole portion R4. That is, the linear bodies 21 are arranged over the entire area of ​​the base material 20, including the heel portion and the instep portion of the shoe 1. The multiple linear bodies 21 extend in the foot length direction and are arranged side by side in the foot width direction. In this embodiment, the foot length direction is the first direction, and the foot width direction is the second direction that intersects with the first direction. Some of the multiple linear bodies 21 are arranged in the heel portion of the shoe 1. Furthermore, some of the multiple linear bodies 21 are arranged around the opening 22. The linear bodies 21 may be arranged in parts of the upper forefoot portion R1, the upper midfoot portion R2, the upper rearfoot portion R3, and the upper sole portion R4.

[0033] Each of the multiple linear bodies 21 includes a first portion 21a and a second portion 21b. The first portion 21a is a portion that is connected to a connecting portion 313 (see FIGS. 7 and 8) of the outsole 31, which will be described later. When there are multiple first portions 21a, not all of the first portions 21a need to be connected to the connecting portion 313; for example, some of the first portions 21a may be connected to the first layer 20a. The second portion 21b is disposed in a portion of the linear body 21 other than the first portion 21a. The second portion 21b is a portion where adjacent multiple linear bodies 21 are hooked together. In FIG. 3, the portion where adjacent linear bodies 21 are hooked together is surrounded by a dashed circle, which corresponds to portion A in FIG. 3.

[0034] The first portion 21a of the linear body 21 is connected to a side portion 312 (see FIG. 1) of the outsole 31. The connection of the first portion 21a to the outsole 31 will be described later together with details of the outsole 31. As shown in FIG. 5, the second portion 21b of the linear body 21 is located between the first layer 20a and the second layer 20b.

[0035] Fig. 6 is an enlarged view of part A shown in Fig. 2 and Fig. 3. As shown in Fig. 6, the second portion 21b of the linear body 21 is arranged in a portion other than the first portion 21a. The second portions 21b of adjacent linear bodies 21 are hooked together. As shown in Fig. 2 and Fig. 3, each linear body 21 extends, for example, from the front to the rear in a zigzag pattern, alternately protruding in one direction and the other in the foot width direction.

[0036] In the second portion 21b of the linear body 21, first hooking portions 21c that are hooked onto another linear body 21 arranged on one side along the foot width direction and second hooking portions 21d that are hooked onto another linear body 21 arranged on the other side along the foot width direction are formed alternately in the foot length direction. In adjacent linear bodies 21, one of the first hooking portion 21c and the second hooking portion 21d is hooked onto the other. In this embodiment, the linear bodies 21 are arranged so that the area surrounded by two adjacent linear bodies 21 (second portions 21b) forms a diamond shape.

[0037] 1, at least one of the linear bodies 21 has a third portion 21e that applies tension to the outsole 31 relative to the upper 2 when the shoe 1 is pulled from the front to the rear. The third portion 21e is provided at least at one end of the linear body 21 along the length direction.

[0038] In the example shown in FIG. 3, holes 20c are formed in the base material 20 to expose the second portions 21b of the linear bodies 21 to the outside of the first layer 20a. The holes 20c may be formed in at least one of the first layer 20a and the second layer 20b. The holes 20c are formed, for example, in the instep portion of the shoe 1. The holes 20c are formed in a portion of the instep portion of the shoe 1 adjacent to the opening 22. The number of holes 20c is, for example, two. The shape of the holes 20c is not particularly limited, but may be, for example, elliptical.

[0039] 3, the heel-side ends of the second portions 21b of the two linear bodies 21 closest to the shoe center axis C are exposed to the outside of the base material 20 through the holes 20c. It is sufficient that part or all of the second portion 21b of at least one linear body 21 is exposed to the outside of the base material 20.

[0040] 2 and 3, second portion 21b of linear body 21 may be formed of a separate cord or the like that is different from other second portions 21b. That is, a separate member such as a cord may be provided as part of second portion 21b of linear body 21. Note that in the example shown in FIG. 3, only this separate member may be exposed to the outside of substrate 20 and pulled.

[0041] Furthermore, the upper 2 can be manufactured using a dedicated machine to form the base material 20 and the linear body 21 in a single process. As a manufacturing method for the upper 2, it is preferable to form the base material 20 and the linear body 21 in a single process, but the base material 20 and the linear body 21 may also be formed in separate processes.

[0042] Next, the outsole 31 will be described in detail.

[0043] FIG. 7 is a bottom view showing the outsole 31 of the shoe 1 according to the first embodiment. The outsole 31 is formed on all or part of the ground-contact surface. FIG. 8 is a side view showing the connection portion 313 of the outsole 31 of the shoe 1 according to the first embodiment. As shown in FIG. 7, the outsole 31 is formed of a plurality of linear elements 31a. The outsole 31 is, for example, a thread formed by bundling a plurality of fibers, a linear resin, a twisted thread, or the like. The outsole 31 and the midsole 32 may be formed of a recyclable resin. The outsole 31 and the midsole 32 may be made of the same type of material or different types of materials. Examples of materials that can be used for the outsole 31 include polyurethane-based thermoplastic elastomer, polyurethane, nylon, spandex, Kevlar (registered trademark), ultra-high molecular weight polyethylene, and polyurethane-covered SCY or DCY.

[0044] The outsole 31 may be formed in a planar shape. The material of the outsole 31 is, for example, rubber. The outsole 31 (outsole 31A shown in FIG. 13) is made of, for example, a thermoplastic material. The bottom surface of the outsole 31A, which becomes the ground contact surface 311, is formed in a planar shape, and there are no gaps in the bottom surface.

[0045] The outsole 31 includes a bottom surface portion that is the ground contact surface 311, a side surface portion 312, and a connection portion 313. The side surface portion 312 of the outsole 31 is located above the midsole 32 when the outsole 31 is attached, and covers at least a portion of the side surface of the midsole 32. The side surface portion 312 of the outsole 31 may cover at least a portion of the upper 2. At the bottom of the upper 2, the outsole 31 is located outside the upper 2.

[0046] The connecting portion 313 is formed in, for example, a circular, polygonal, or hook shape. The connecting portion 313 is provided on the outer edge of the side surface portion 312 of the outsole 31. A plurality of connecting portions 313 are provided around the outer edge of the side surface portion 312 of the outsole 31. As shown in FIG. 10 , the linear body 21 of the upper 2 is inserted into the connecting portion 313. The portion of the linear body 21 inserted into the connecting portion 313 becomes the first portion 21a that connects to the side surface portion 312 of the outsole 31.

[0047] The multiple linear bodies 21 have first portions 21a connected to the side surface portion 312 of the outsole 31 and second portions 21b where adjacent multiple linear bodies 21 are hooked together. The first portions 21a of the multiple linear bodies 21 are connected to the side surface portion 312 of the outsole 31, and the second portions 21b arranged in parts other than the first portions 21a are hooked together. When an unconnected portion of the linear bodies 21, such as the third portion 21e, is pulled, the resulting tension T1 is transmitted in order to the second portions 21b and first portions 21a of the adjacent multiple linear bodies 21 and the side surface portion 312 of the outsole 31, and finally tension T2 is applied to the outsole 31. This allows the outsole 31 to fit effectively to the foot of the wearer of the shoe 1.

[0048] The outsole 31 is not bonded to the midsole 32. The outsole 31 is connected to the upper 2 by the connection between the connection portion 313 of the outsole 31 and the first portion 21a of the linear body 21. For example, the outsole 31 is connected to the upper 2 by inserting the linear body 21 into the connection portion 313. In other words, the multiple linear bodies 21 of the upper 2 are connected to the side portion 312 of the outsole 31 by being hooked onto the connection portion 313. The outsole 31 is separated from the upper 2 by releasing the connection between the connection portion 313 of the outsole 31 and the first portion 21a of the linear body 21. For example, the outsole 31 is separated from the upper 2 by pulling out the linear body 21 inserted into the connection portion 313 from the connection portion 313. This facilitates recycling.

[0049] Furthermore, the midsole 32 is not bonded to the upper 2. The outsole 31 is connected to the upper 2 and the midsole 32 by the connection between the connection portion 313 of the outsole 31 and the first portion 21a of the linear body 21. For example, the outsole 31 is connected to the upper 2 and the midsole 32 by inserting the linear body 21 into the connection portion 313. The outsole 31 is separated from the upper 2 and the midsole 32 by releasing the connection between the connection portion 313 of the outsole 31 and the first portion 21a of the linear body 21. For example, the outsole 31 is separated from the upper 2 and the midsole 32 by pulling out the linear body 21 inserted into the connection portion 313 from the connection portion 313. This facilitates recycling.

[0050] The connection between the upper 2 and the outsole 31 by the first portion 21a of the linear body 21 and the connection portion 313 of the outsole 31 is not limited to a method of inserting the linear body 21 through the connection portion 313. For example, the side portion 312 of the outsole 31 may be provided with a portion into which the linear body 21 can be fitted, and the linear body 21 may be fitted into this fittable portion as a releasable connection means. Alternatively, for example, the releasable connection means may be a configuration using a hook-and-loop fastener. Alternatively, for example, the releasable connection means may be a configuration in which the linear body 21 is tied with a lace.

[0051] Furthermore, when the outsole 31 is made of resin, it can be formed by resin printing. Resin printing allows the resin to be arranged in a linear pattern. Furthermore, when the outsole 31 is made of resin, it can be formed by a 3D printer. A 3D printer can arrange the resin in a linear pattern and can also layer the resin in the height direction, allowing the resin to be arranged three-dimensionally. Furthermore, when the outsole 31 is formed of a plurality of linear elements 31a, it can be formed by an embroidery machine.

[0052] Next, the effects of the shoe 1 according to the present embodiment will be described with reference to Figures 9 and 10. Figure 9 is a perspective view of the shoe 1 according to the first embodiment, showing a state in which the linear body 21 is pulled. Figure 10 is a front cross-sectional view of the shoe 1 according to the first embodiment, showing a state in which the linear body 21 is pulled.

[0053] In this embodiment, as shown in FIG. 9 , the plurality of linear bodies 21 have first portions 21a connected to the side surface portion 312 of the outsole 31 and second portions 21b where adjacent linear bodies 21 are hooked to each other. The first portions 21a of the plurality of linear bodies 21 are connected to the side surface portion 312 of the outsole 31. Therefore, as shown in FIG. 9 , when an unconnected portion such as the third portion 21e of the linear bodies 21 is pulled, the tension T1 is transmitted in this order to the second portions 21b and first portions 21a of the adjacent plurality of linear bodies 21 and the side surface portion 312 of the outsole 31, and finally tension T2 is applied to the outsole 31. As shown in FIG. 10 , when an unconnected portion such as the third portion 21e of the linear bodies 21 is pulled, tension T23 is applied to the upper portion of the upper 2, tension T22 is applied to the lower portion of the upper 2, and tension T21 is applied to the outsole 31 in this order, thereby pulling the outsole 31 toward the upper 2. This allows the outsole 31 to fit effectively to the foot of the wearer of the shoe 1.

[0054] In this embodiment, as shown in FIG. 3 and other figures, the upper 2 includes a first layer 20a and a second layer 20b disposed with a gap between them. The second portions 21b of the multiple linear bodies 21 are located between the first layer 20a and the second layer 20b. This allows the multiple linear bodies 21 to be protected. As shown in FIGS. 1 and 2, the second portions 21b of the multiple linear bodies 21 may be located on the surface of the layer 20a (first layer 20a).

[0055] 9, at least one of the plurality of linear bodies 21 has a third portion 21e that is provided at least at one end of the linear body 21 along the length direction and that applies a tension T2 to the outsole 31 against the upper 2 when the linear body 21 is pulled. The third portion 21e makes it easy to apply the tension T2 to the outsole 31, and effectively pulls the outsole 31 toward the upper 2.

[0056] In this embodiment, as shown in Fig. 9, the side surface portion 312 of the outsole 31 may cover at least a portion of the upper 2. The side surface portion 312 of the outsole 31 is located above the midsole 32 when the outsole 31 is attached. In other words, the side surface portion 312 of the outsole 31 connects to the first portions 21a of the multiple linear bodies 21 on the upper 2. This makes it easy to apply tension T1 to the multiple linear bodies 21, and the outsole 31 can be effectively pulled toward the upper 2.

[0057] Furthermore, because the outsole 31 and midsole 32 are not bonded to the upper 2, the outsole 31 and midsole 32 can be easily separated from the upper 2 by pulling out the linear body 21 of the upper 2 from the connection part 313 of the outsole 31. This facilitates recycling.

[0058] (Second embodiment) 11 is a perspective view showing a shoe 1 according to a second embodiment. The shoe 1 according to the second embodiment differs in configuration from the shoe 1 according to the first embodiment in that the outsole 31 and the midsole 32 are bonded together. Note that a description of the configuration of the second embodiment that is common to the first embodiment will be omitted.

[0059] 11, the outsole 31 is formed of a plurality of linear elements 31a, similar to the first embodiment. The outsole 31 is bonded to at least one of the bottom surface and side surface of the midsole 32.

[0060] This embodiment can achieve the same effects as the first embodiment. In this embodiment, too, the outsole 31 and the upper 2 are connected by the connection portion 313, thereby improving the fit of the outsole 31 (particularly the side portion 312 of the outsole 31) to the midsole 32 and the upper 2. Furthermore, because the outsole 31 and the midsole 32 are not bonded to the upper 2, the outsole 31 and the midsole 32 can be easily separated from the upper 2 by pulling out the linear body 21 of the upper 2 from the connection portion 313 of the outsole 31, just like in the first embodiment. This facilitates recycling.

[0061] (Third embodiment) 12 is a perspective view showing a shoe 1 according to a third embodiment. The shoe 1 according to the third embodiment differs in configuration from the shoe 1 according to the first embodiment in that the outsole 31 and the midsole 32 are bonded together, and that the midsole 32 and the upper 2 are bonded together. Note that descriptions of configurations common to the third embodiment and the first embodiment may be omitted.

[0062] 12, the outsole 31 is formed of a plurality of linear elements 31a, as in the first embodiment. The upper surface of the outsole 31 is bonded to the bottom surface of the midsole 32 by welding or the like. Alternatively, the side portion 312 of the outsole 31 may be bonded to the side surface of the midsole 32 by welding or the like. The upper surface of the midsole 32 is bonded to the bottom surface of the upper 2 by welding or the like. In the third embodiment, the outsole 31 and the upper 2 are connected by engaging the connection portion 313 of the outsole 31 with the first portion 21a.

[0063] The means for connecting the outsole 31 and the upper 2 by the first portion 21a is not limited to a means for inserting the linear body 21 into the connecting portion 313. For example, the side portion 312 of the outsole 31 may be provided with a portion into which the linear body 21 can be fitted, and the linear body 21 may be fitted into this fittable portion as a releasable connecting means. Alternatively, for example, the releasable connecting means may be a hook-and-loop fastener. Alternatively, for example, the releasable connecting means may be a string-tying configuration.

[0064] Furthermore, when the outsole 31 is made of resin, it can be formed by resin printing. Resin printing allows the resin to be arranged in a linear pattern. Furthermore, when the outsole 31 is made of resin, it can be formed by a 3D printer. A 3D printer can arrange the resin in a linear pattern and can also layer the resin in the height direction, allowing the resin to be arranged three-dimensionally. Furthermore, when the outsole 31 is formed of a plurality of linear elements 31a, it can be formed by an embroidery machine.

[0065] In this embodiment, the outsole 31 and the midsole 32, and the midsole 32 and the upper 2 are respectively bonded together, but the outsole 31 and the upper 2 are connected by the connection portion 313, thereby improving the fit of the outsole 31 (particularly the side portion 312 of the outsole 31) to the midsole 32 and the upper 2.

[0066] (Fourth embodiment) 13 is a perspective view showing a shoe 1 according to a fourth embodiment. The shoe 1 according to the fourth embodiment differs in configuration from the shoe 1 according to the first embodiment in that the outsole 31 is made of rubber, the outsole 31 and the midsole 32 are bonded together, and the midsole 32 is bonded together with the upper 2. Note that descriptions of configurations common to the first embodiment and the fourth embodiment may be omitted.

[0067] As shown in FIG. 13, the outsole 31 (outsole 31A) is made of a thermoplastic material. The outsole 31A is made of synthetic rubber. The bottom surface of the outsole 31A, which becomes the ground contact surface 311, is formed in a planar shape. In the fourth embodiment, the outsole 31A has no gaps in the bottom surface, unlike the outsole 31 made of a plurality of linear bodies 21 shown in FIG. 1 etc.

[0068] 13, the outsole 31A has the upper surface of the outsole 31 bonded to the bottom surface of the midsole 32 by welding or the like. Alternatively, the side surface 312 of the outsole 31 may be bonded to the side surface of the midsole 32 by welding or the like. The midsole 32 has the upper surface of the midsole 32 bonded to the bottom surface of the upper 2 by welding or the like. In the fourth embodiment, the outsole 31A and the upper 2 are connected by engaging the connecting portion 313 of the outsole 31A with the first portion 21a.

[0069] The means for connecting the outsole 31A and the upper 2 by the first portion 21a is not limited to a means for inserting the linear body 21 into the connecting portion 313. For example, the side portion 312 of the outsole 31A may be provided with a portion into which the linear body 21 can be fitted, and the linear body 21 may be fitted into this fittable portion as a releasable connecting means. Alternatively, for example, the releasable connecting means may be a hook-and-loop fastener. Alternatively, for example, the releasable connecting means may be a string-tying configuration.

[0070] In this embodiment, the outsole 31A and the midsole 32, and the midsole 32 and the upper 2 are respectively bonded together, but the outsole 31A and the upper 2 are connected by the connection portion 313, thereby improving the fit of the outsole 31 (particularly the side portion 312 of the outsole 31) to the midsole 32 and the upper 2.

[0071] (Fifth embodiment) 14 is a perspective view showing a shoe 1 according to a fifth embodiment. The shoe 1 according to the fifth embodiment differs in configuration from the shoe 1 according to the first embodiment in that the plurality of linear bodies 21 includes a first linear body 211 and a second linear body 212.

[0072] As shown in FIG. 14, the upper 2 includes a cloth-like base material 20 having one layer 20a. A plurality of linear bodies 21 are exposed on the surface of the upper 2. The plurality of linear bodies 21 include a plurality of first linear bodies 211 and second linear bodies 212. The first linear bodies 211 are similar to the linear bodies 21 of the first embodiment and include second portions 21b. The second portions 21b of adjacent first linear bodies 211 are hooked together. As shown in FIG. 14, the first linear bodies 211 extend from the front to the rear in a zigzag pattern, alternately protruding in one direction and the other in the width direction of the foot.

[0073] 6, first hooking portions 21c that are hooked onto another first linear body 211 arranged on one side in the foot width direction and second hooking portions 21d that are hooked onto another first linear body 211 arranged on the other side in the foot width direction are formed alternately in the foot length direction in the second portion 21b of the first linear body 211. In adjacent first linear bodies 211, the first hooking portions 21c and the second hooking portions 21d are hooked onto each other. In the first linear body 211 located at the extreme end in the foot width direction, either the first hooking portion 21c or the second hooking portion 21d is connected to the outer edge of the base material 20. In this embodiment, the first linear bodies 211 are arranged so that the area surrounded by two adjacent first linear bodies 211 forms a diamond shape.

[0074] Fig. 16 is a diagram showing a third portion of the shoe 1 according to the fifth and sixth embodiments. As shown in Fig. 16, at least one of the multiple first linear bodies 211 has a third portion 21e that applies tension to the outsole 31 against the upper 2 when the shoe 1 is pulled from the front to the rear. The third portion 21e is provided on at least one end of the first linear body 211 along the length direction.

[0075] The second linear body 212 is connected to the first linear body 211 on the surface of the upper 2. The second linear body 212 is located between the outsole 31 and the upper 2. The second linear body 212 may be located between the midsole 32 and the upper 2. The second linear body 212 is at least one linear body, and has a first portion 21a for connecting the outsole 31 and the upper 2.

[0076] This embodiment can achieve the same effects as the first embodiment. This embodiment can improve the fit of the outsole 31 to the midsole 32 and the upper 2. Furthermore, because the outsole 31 and the upper 2 are not bonded together, they can be easily separated, which facilitates recycling.

[0077] (Sixth embodiment) Fig. 15 is a perspective view showing a shoe 1 according to a sixth embodiment. Fig. 15 is a diagram showing a state in which a linear body 21 is pulled. Similar to the fifth embodiment, the shoe 1 according to the sixth embodiment differs in configuration from the shoe 1 according to the first embodiment in that the multiple linear bodies 21 include a first linear body 211 and a second linear body 212. Furthermore, the shoe 1 according to the sixth embodiment differs from the fifth embodiment in the direction of the tension T1 when the second linear body 212 is pulled.

[0078] 15 , in this embodiment, when at least one second linear body 212 is pulled in one direction (e.g., backward) and tension T1 is generated, tension T2 is applied from the connection portion 313 of the outsole 31 connected to the first portion 21a of the second linear body 212 toward the upper 2 located above the outsole 31. The second linear body 212 is independent of the first linear body 211, and pulling the second linear body 212 can apply tension T2 directly to the connection portion 313 of the outsole 31. In this way, in this embodiment, tension T2 is applied directly to the connection portion 313 of the outsole 31 by tension T1, and the outsole 31 can be pulled toward the upper 2. This allows the outsole 31 to fit effectively to the foot of the wearer of the shoe 1.

[0079] 16, in the present embodiment, as in the fifth embodiment, at least one of the plurality of first linear bodies 211 has a third portion 21e that applies tension to the outsole 31 against the upper 2 when the shoe 1 is pulled from the front to the rear. The third portion 21e is provided at least at one end of the first linear body 211 along the length direction.

[0080] For example, one second linear body 212 may be arranged on at least one of the medial side or lateral side of the shoe 1, or two second linear bodies 212 may be arranged on the medial side and the lateral side of the shoe 1. The second linear body 212 may also have a third portion 21e that applies tension to the outsole 31 against the upper 2 when the shoe 1 is pulled from the front to the rear. The third portion 21e is provided on at least one end of the second linear body 212 along the longitudinal direction.

[0081] The second linear body 212 is connected to the first linear body 211 on the surface of the upper 2. The second linear body 212 is located between the outsole 31 and the upper 2. The second linear body 212 may be located between the midsole 32 and the upper 2. The second linear body 212 is at least one linear body, and has a first portion 21a for connecting the outsole 31 and the upper 2.

[0082] (Other embodiments) In the shoe 1 according to the above embodiment, the connection portion 313 of the outsole 31 may be formed so as to come into contact with the side of the midsole 32 and to be positioned at the upper portion of the side of the midsole 32 on the upper 2 side of the side of the midsole 32.

[0083] Furthermore, in the shoe 1 according to the above embodiment, some of the multiple linear bodies 21 of the upper 2 may be connected to the base material 20 of the upper 2, and the linear bodies 21 connected to the base material 20 may be hooked onto the connecting portion 313, thereby being connected to the side portion 312 of the outsole 31. This configuration does not, for example, obtain tension T1 by pulling the third portion 21e as in the shoe 1 according to the first embodiment. Even with this configuration, the outsole 31 can be easily separated, which facilitates recycling.

[0084] FIG. 17 is a front cross-sectional view of a shoe 1 according to another embodiment. Note that in FIG. 17, parts assigned the same reference numerals as those in the shoe 1 according to the above embodiment indicate the same parts. As shown in FIG. 17, in the shoe 1 according to the above embodiment, linear bodies 23 other than the linear bodies 21 may be provided on the medial side and lateral side of the outsole 31. At least one linear body 231 on the medial side and one linear body 232 on the lateral side of the outsole 31 are required. By connecting the medial side linear body 231 and the lateral side linear body 232 of the outsole 31 to each other at the connection portion 300 between the base material 20 and the midsole 32, the outsole 31 can be fixed to the midsole 32, allowing the outsole 31 to fit more effectively to the foot of the wearer of the shoe 1.

[0085] In the shoe 1 according to the above embodiment, the outsole 31 may be formed from a recyclable resin together with the midsole 32 or the upper 2. This facilitates recycling. In the shoe 1 according to the above embodiment, the outsole 31 covers the midsole 32 from below and can be used as an adhesive margin for welding to the upper 2.

[0086] Furthermore, in the shoe 1 according to the above embodiment, the outsole 31 may be made of natural rubber. Furthermore, in the shoe 1 according to the above embodiment, the outsole 31 may be made of synthetic rubber. Furthermore, in the shoe 1 according to the above embodiment, the outsole 31 may be made of linear elements 31a made of multiple types of materials. This makes it easier to manufacture the connection portion 313 of the outsole 31.

[0087] Furthermore, in the shoe 1 according to the above embodiment, the outsole 31 may be formed by resin printing, a 3D printer, or an embroidery machine. If the outsole 31 is made of resin, the outsole 31 and the connection portion 313 of the outsole 31 are easily manufactured. Furthermore, in the shoe 1 according to the above embodiment, at least two of the upper 2, midsole 32, and outsole 31 may be formed from the same recyclable resin. This facilitates recycling.

[0088] Although the present disclosure has been described in detail above, the present disclosure is not limited to the above-described embodiments, and various modifications, improvements, etc. are possible within the scope that does not deviate from the gist of the present disclosure.

[0089] The disclosed embodiments should be considered in all respects as illustrative and not restrictive. Indeed, the above-described embodiments may be embodied in various forms. Furthermore, the above-described embodiments may be omitted, substituted, or modified in various ways without departing from the scope and spirit of the appended claims.

[0090] The present technology can also be configured as follows. (1) an outsole having a ground contact surface; a midsole located above the outsole; an upper positioned above the outsole and the midsole and covering at least a portion of the wearer's foot; a plurality of linear bodies disposed on the upper, extending in a first direction and extending in a second direction intersecting the first direction; Equipped with the outsole has a side surface portion extending from the ground contact surface and covering at least a portion of a side surface of the midsole, The shoe, wherein the plurality of linear bodies have a first portion connected to the side portion of the outsole and a second portion disposed in a portion other than the first portion and in which adjacent plurality of linear bodies are hooked onto each other. (2) the upper is one layer, The shoe according to (1), wherein the plurality of linear members are exposed on the surface of the upper. (3) the upper includes a first layer and a second layer disposed with a gap therebetween; The shoe described in (1), wherein the second portion of the plurality of linear bodies is located between the first layer and the second layer. (4) The shoe described in any one of (1) to (3), wherein at least one of the plurality of linear bodies has a third portion provided at at least one end of the linear body along the length direction, which applies tension to the outsole against the upper when the shoe is pulled from the front to the rear. (5) The shoe according to any one of (1) to (4), wherein the side surface of the outsole covers at least a part of the upper. (6) The shoe according to any one of (1) to (5), wherein the outsole is not glued to the midsole, is connected to the upper by the connection between the side portion and the first portion of the outsole, and is separated from the upper by releasing the connection between the side portion and the first portion of the outsole. (7) The shoe described in any one of (1) to (6), wherein the midsole is not glued to the upper, is connected to the upper by connecting the side portion and the first part of the outsole, and is separated from the upper by releasing the connection between the side portion and the first part of the outsole. (8) The shoe described in any one of (1) to (7), wherein the linear body has a first linear body having a second portion, and at least one second linear body connected to the first linear body and positioned between the midsole or the outsole and the upper, and having the first portion. (9) The shoe described in (8), wherein the second linear body applies tension toward the upper side in the first portion connected to the side portion of the outsole. (10) The shoe according to any one of (1) to (9), wherein the outsole and the midsole are formed from a recyclable resin at the same time. (11) The outsole is made of a thermoplastic material, The side surface of the outsole is located above the midsole, The shoe according to any one of (1) to (10), wherein the side surface portion of the outsole is welded to the midsole to connect the upper and the midsole. (12) The shoe according to any one of (1) to (11), wherein the outsole is formed of a plurality of linear elements. (13) The shoe according to (12) above, wherein the outsole is formed of thread. (14) The shoe according to any one of (1) to (11), wherein the outsole is made of natural rubber. (15) The shoe according to any one of (1) to (11), wherein the outsole is made of synthetic rubber. (16) The shoe according to any one of (1) to (13), wherein the outsole is formed by resin printing. (17) The shoe according to any one of (1) to (13), wherein the outsole is formed by a 3D printer. (18) The shoe according to (12) or (13), wherein the outsole is formed by an embroidery machine. [Explanation of symbols]

[0091] 1 shoe, 2 upper, 20a layer (first layer), 20b second layer, 21 linear body, 21a first part, 21b second part, 21e third part, 31 outsole, 31a linear element, 32 midsole, 211 first linear body, 212 second linear body, 311 ground contact surface, 312 side part, T2 tension.

Claims

1. an outsole having a ground contact surface; a midsole located above the outsole; an upper positioned above the outsole and the midsole and covering at least a portion of the wearer's foot; a plurality of linear bodies disposed on the upper, extending in a first direction and extending in a second direction intersecting the first direction; Equipped with the outsole has a side surface portion extending from the ground contact surface and covering at least a portion of a side surface of the midsole, The shoe, wherein the plurality of linear bodies have a first portion connected to the side portion of the outsole and a second portion arranged in a portion other than the first portion and in which adjacent plurality of linear bodies are hooked onto each other.

2. the upper is one layer; The shoe according to claim 1 , wherein the plurality of linear members are exposed on the surface of the upper.

3. the upper includes a first layer and a second layer disposed with a gap therebetween; The shoe according to claim 1 , wherein the second portions of the plurality of linear elements are located between the first layer and the second layer.

4. 2. The shoe according to claim 1, wherein at least one of the plurality of linear bodies has a third portion provided at at least one end of the linear body along the length direction, the third portion applying tension to the outsole relative to the upper when the shoe is pulled from the front to the rear.

5. The shoe of claim 1 , wherein the side portion of the outsole covers at least a portion of the upper.

6. 2. The shoe according to claim 1, wherein the outsole is not bonded to the midsole, is connected to the upper by a connection between the side portion and the first portion of the outsole, and is separated from the upper by a release of the connection between the side portion and the first portion of the outsole.

7. 2. The shoe according to claim 1, wherein the midsole is not bonded to the upper, is connected to the upper by a connection between the side portion and the first portion of the outsole, and is separated from the upper by a release of the connection between the side portion and the first portion of the outsole.

8. 2. The shoe according to claim 1, wherein the linear body includes a first linear body having a second portion, and at least one second linear body connected to the first linear body, positioned between the midsole or the outsole and the upper, and having the first portion.

9. The shoe according to claim 8 , wherein the second linear member applies tension toward the upper side at the first portion connected to the side surface portion of the outsole.

10. The shoe according to claim 1 , wherein the outsole is formed from a recyclable resin at the same time as the midsole.

11. The outsole is made of a thermoplastic material, The side surface of the outsole is located above the midsole, The shoe according to claim 1 , wherein the side portion of the outsole is welded to the midsole to connect the upper and the midsole.

12. The shoe of claim 1 , wherein the outsole is formed of a plurality of linear elements.

13. The shoe of claim 12 , wherein the outsole is formed from yarn.

14. The shoe of claim 1 , wherein the outsole is made of natural rubber.

15. The shoe of claim 1 , wherein the outsole is made of synthetic rubber.

16. The shoe of claim 1 , wherein the outsole is formed by resin printing.

17. The shoe of claim 1 , wherein the outsole is formed by a 3D printer.

18. The shoe according to claim 12 or 13, wherein the outsole is formed by an embroidery machine.

Images