Foot cover and manufacturing method

By adopting single-piece fabric design and seamless or less stitching technology in foot coverings, the problems of low comfort and productivity of traditional foot coverings are solved, achieving higher comfort and productivity.

JP7628232B2Active Publication Date: 2025-02-10OKAMOTO INDS +1
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Patent Information

Application Number
JP2021050809
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-03-24
Publication Date
2025-02-10
Estimated Expiration
2041-03-24

AI Technical Summary

Technical Problem

Traditional foot coverings have problems of reduced comfort and low productivity due to multiple suture points.

Method used

The single-piece fabric design is designed, and the main part is formed by folding in half at the center line in the width direction of the foot and partially stitching on the outer edge, reducing the stitching points, and connecting the fabric in a seamless or less stitching manner.

Benefits of technology

Improves comfort and production efficiency of foot coverings, reduces the risk of elastic damage to the fabric and simplifies the manufacturing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

To suppress the reduction in comfort when wearing a foot cover and improve the productivity.SOLUTION: In the side view when a main body of a foot cover (100) is folded in a foot width direction, a first junction part (7) is formed along a toe part side outer periphery from a toe part (2) to a toe side end part (6A) of a foot inserting part (6), and a second junction part (8) is formed along a heel side outer periphery from a heel part (3) to a heel side end part (6B) of the foot inserting part (6).SELECTED DRAWING: Figure 3
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Description

[Technical field]

[0001] The present invention relates to a foot cover and a method for manufacturing the foot cover. [Background technology]

[0002] Conventionally, two-piece foot covers formed by joining two pieces of fabric are known. In general, two-piece foot covers are formed by sewing together a sole fabric that covers the sole of the wearer's foot and a side fabric that covers the other parts of the foot with a sewing machine.

[0003] Regarding this type of foot cover, Patent Document 1 describes a seamless foot cover formed by joining two pieces of fabric with an adhesive tape, while Patent Document 2 describes legwear formed by sewing two pieces of fabric shaped like a left and right foot together in the middle. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2018-95996 A [Patent Document 2] JP 2005-179868 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, conventional foot covers have the problem that the joining parts of the fabrics together reduce the comfort of wearing the foot covers or reduce the productivity of the foot covers, as described below.

[0006] For example, in the foot cover described in Patent Document 1, there are joints between the fabrics at the periphery of the sole and the heel. This impairs the elasticity of the foot cover as a whole, making it less comfortable to wear. In addition, the joints between the fabrics are formed three-dimensionally across multiple planes. This requires a process of manually joining the fabrics together, which reduces productivity.

[0007] Furthermore, in the legwear described in Patent Document 2, it is necessary to join the two pieces of fabric together in a side view, except for the openings, which increases the number of joining parts, impairing the stretchability of the fabric and reducing comfort.

[0008] An object of one aspect of the present invention is to provide a foot cover which reduces the number of joints between pieces of fabric, thereby preventing a decrease in comfort and improving productivity. [Means for solving the problem]

[0009] In order to solve the above problems, a foot cover according to one embodiment of the present invention is a foot cover including a toe portion covering the toes of the foot, a heel portion covering the heel of the foot, and a plantar portion covering the sole of the foot, and comprising a main body portion having an opening for putting the foot in and out formed on the opposite side of the plantar portion, wherein, when viewed from the side in a state in which the main body portion is folded along a center line that divides the main body portion into approximately two equal parts in the width direction of the foot, a joint is formed on a part of the outer edge excluding the opening, and the joint is formed along the toe side outer edge, which is the outer edge from the toe portion to the toe side end of the opening, and the heel side outer edge, which is the outer edge from the heel portion to the heel side end of the opening, or along the plantar side outer edge, which is the outer edge of the sole portion, of the outer edges.

[0010] In order to solve the above problems, a manufacturing method for a foot cover according to one embodiment of the present invention is a manufacturing method for a foot cover including a toe portion covering the toes of the foot, a heel portion covering the heel of the foot, and a plantar portion covering the sole of the foot, with a main portion having an opening for putting the foot in and out formed on the opposite side of the plantar portion, the manufacturing method including a forming step of forming a fabric constituting the main portion, and a joining step of folding the formed fabric along a center line that divides the fabric into approximately two equal parts in the width direction of the foot, and joining a part of the outer edge of the fabric excluding the opening to form the main portion, in which the joining step joins the fabric along the toe side outer edge, which is the outer edge from the toe portion to the toe side end of the opening, and the heel side outer edge, which is the outer edge from the heel portion to the heel side end of the opening, or the fabric is joined along the plantar side outer edge, which is the outer edge of the sole portion, of the outer edges. Effect of the Invention

[0011] According to one aspect of the present invention, it is possible to suppress deterioration in the comfort of the foot cover and improve productivity. [Brief description of the drawings]

[0012] [Figure 1] FIG. 1 is a perspective view showing the appearance of a foot cover in a worn state according to a first embodiment. [Diagram 2] FIG. 4 is a diagram showing the shape of the fabric of the foot cover. [Diagram 3] FIG. 4 is a side view showing the foot cover folded in the foot width direction as viewed from the outer side edge portion side. [Figure 4] FIG. 11 is a perspective view showing the appearance of a foot cover in a worn state according to a modified example. [Diagram 5] FIG. 4 is a development view showing the shape of the fabric of the foot cover. [Figure 6] FIG. 11 is a side view showing the foot cover folded in the foot width direction as viewed from the outer side edge portion. [Figure 7] FIG. 11 is a perspective view showing the appearance of a foot cover in a worn state according to a modified example. [Figure 8]FIG. 13 is a diagram showing a state in which a separate piece of fabric is added to the fabric. [Figure 9] FIG. 11 is a perspective view showing the appearance of a foot cover in a worn state according to the second embodiment. [Figure 10] FIG. [Figure 11] FIG. 11 is a perspective view showing the appearance of a foot cover according to a modified example. [Figure 12] FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] [Embodiment 1] <Configuration of the foot cover 100> An embodiment of the present invention will be described in detail below with reference to Figs. 1 to 3. Fig. 1 is a perspective view showing the appearance of a foot cover 100 according to this embodiment in a worn state. Fig. 2 is a development view showing the shape of fabric 1 of the foot cover 100. Fig. 3 is a side view showing the foot cover 100 folded in the foot width direction as viewed from the outer side edge portion 4B side.

[0014] As shown in Fig. 1, the foot cover 100 according to this embodiment is a foot cover equipped with a main body 101 including a toe portion 2 covering the toes of a foot F, a heel portion 3 covering the heel of the foot F, two side portions 4 (4A and 4B) covering both sides of the foot F, and a plantar portion 5 covering the sole of the foot F. The main body 101 is formed with an opening 6, which is an opening for putting the foot F in and out, on the side opposite the plantar portion 5. Of the side portions 4, the portion covering the side surface of the foot F on the big toe side is an inner side portion 4A, and the portion covering the side surface of the foot F on the little toe side is an outer side portion 4B.

[0015] In the following description, the state in which the main body 101 (foot cover 100) is folded in the foot width direction refers to a state in which the main body 101 is folded along a center line R that approximately bisects the main body 101 in the foot width direction so that the inner side portion 4A and the outer side portion 4B, which are the left and right side portions 4, face each other. This center line R may be any line that approximately bisects the main body 101 in the foot width direction, and includes a line that bisects the main body 101 in the foot width direction and a line that is slightly deviated from the line. In other words, the center line R is a line that extends in the foot length direction and passes through approximately the midpoint of the main body (sole portion 5) in the foot width direction.

[0016] As shown in FIG. 2, the main body 101 according to this embodiment is composed of one piece of fabric 1 cut into a desired shape. In the fabric 1, the side indicated by the reference symbol P corresponds to the toe 2 side of the main body 101, whereas the side indicated by the reference symbol Q corresponds to the heel 3 side of the main body 101. The fabric 1 is in a shape in which the sole 5 side is connected in an unfolded state. The fabric 1 has a first joined part 11 and a second joined part 12 on the outer edge of the toe side. The fabric 1 also has a third joined part 13 and a fourth joined part 14 on the outer edge of the heel side. The first joined part 11 and the second joined part 12, as well as the third joined part 13 and the fourth joined part 14, are symmetrical with respect to a center line R that divides the fabric 1 into approximately two equal parts to the left and right. Two outer edges of the fabric 1 that face each other across the center line R, indicated by reference numeral 15, are not joined together and form the opening 6 of the main body 101.

[0017] As shown in FIG. 3, the main body 101 is formed into a bag shape capable of accommodating a foot F by joining only a part of the outer edge 10 excluding the opening 6 in a side view in a state where it is folded in the foot width direction. In this embodiment, the main body 101 is formed with a first joining portion (joining portion) 7 joining the toe side ends of the fabric 1 along the toe side outer edge from the toe portion 2 to the toe side end 6A of the opening 6. In addition, the main body 101 is formed with a second joining portion (joining portion) 8 joining the heel side ends of the fabric 1 along the heel side outer edge from the heel portion 3 to the heel side end 6B of the opening 6. The first joining portion 7 is formed by joining the first joining portion 11 and the second joining portion 12 shown in FIG. 2. In addition, the second joining portion 8 is formed by joining the third joining portion 13 and the fourth joining portion 14 shown in FIG. 2.

[0018] In this manner, of the outer edge 10 of the main body portion 101, the toe side outer edge and heel side outer edge of the main body portion 101 are joined together to form the main body portion 101 into a bag shape capable of accommodating the foot F.

[0019] The fabric 1 of the main body 101 may be any material having elasticity, and is preferably a knitted fabric, but may also be a woven fabric. The material of the fabric 1 may be, for example, nylon or polyester. The shape of the fabric 1 may be symmetrical with respect to the center line R as shown in FIG. 2, but when the shape of the main body 101 is to be matched to the shape of the left and right feet F, the fabric 1 may be asymmetrical. Furthermore, when a fabric that does not require finishing of the cut portion (hereinafter, a cut-off fabric) is used as the fabric 1, there is no need to perform processing to prevent the end of the opening 6 from unraveling during the manufacture of the main body 101. For this reason, it is preferable to use a cut-off fabric as the fabric 1.

[0020] The foot cover 100 may have an anti-slip part 9 formed of a material having a higher frictional force against the foot F than the fabric 1 on the inside of the heel part 3. This can reduce the foot cover 100 from slipping off and the deterioration of comfort due to slipping off can be suppressed. The material of the anti-slip part 9 is not particularly limited as long as it has a higher frictional force than the fabric 1. For example, a material such as silicon can be used for the anti-slip part 9. The anti-slip part 9 may be attached to the fabric 1 before the main body part 101 is joined, or may be attached to the fabric 1 after the main body part 101 is joined.

[0021] Furthermore, the first and second bonding portions 7 and 8 may be formed inside or outside the main body portion 101. When the first and second bonding portions 7 and 8 are formed inside the main body portion 101, the first and second bonding portions 7 and 8 are not visible from the outside. This improves the aesthetic appearance of the foot cover 100. On the other hand, when the first and second bonding portions 7 and 8 are formed outside the main body portion 101, the first and second bonding portions 7 and 8 do not come into contact with the foot F, improving comfort.

[0022] In addition, the method of forming the first joining portion 7 and the second joining portion 8, that is, the method of joining the fabric 1, may be sewing joining or non-seam joining. Non-seam joining can increase the elasticity of the foot cover 100 compared to sewing joining. Here, sewing refers to a general method of binding fabrics together using a thread-like separate material, and the binding method (sewing method) and the type of thread are not limited. Non-seam joining is, for example, ultrasonic fusion, attachment of adhesive tape, heat fusion, printing, or application of adhesive. As an example, the foot cover 100 is formed by printing an adhesive on the first joining portion 11 or the second joining portion 12, overlapping the first joining portion 11 and the second joining portion 12, and then applying heat to the overlapping portions to fuse them. In this case, polyurethane is used as an example of an adhesive. Specific contents of examples of other joining methods will be described later. The joining method is not limited to the above-mentioned method, and other methods may be used.

[0023] An example of a joining method for the foot cover 100 will be described below. In the following description, a case where the first joined portion 11 and the second joined portion 12 shown in FIG. 2 are joined will be described, but the same applies to the third joined portion 13 and the fourth joined portion 14. The adhesion at each joined portion is not particularly limited, and may be, for example, linear, dotted, or wavy. However, dotted adhesion is more preferable because it does not inhibit the stretchability of the fabric.

[0024] (Ultrasonic welding) The first and second joined parts 11 and 12 are joined by, for example, ultrasonic welding. Ultrasonic welding is a method in which the first and second joined parts 11 and 12 of the fabric 1 are overlapped and subjected to ultrasonic vibration and pressure to generate frictional heat at the joining surface of the fabric 1, which melts and joins them instantly. When ultrasonic welding is used for joining, synthetic fibers such as nylon or polyester are used for the fabric 1 of the foot cover 100.

[0025] (Jointing material) The first joined portion 11 and the second joined portion 12 may be joined by using, for example, an adhesive tape. The adhesive tape is made of a tacky material such as an acrylic or silicone resin or synthetic rubber, and the adhesive tape is heat-sealed using a seam tape sewing machine or the like to join the fabrics 1 together.

[0026] (Heat fusion) The first and second joined parts 11 and 12 may be joined by, for example, heat fusion. Heat fusion is a method of overlapping the first and second joined parts 11 and 12 of the fabric 1 and applying heat to the overlapped parts to fuse them together. This method allows the fabric 1 to be bonded without impairing its elasticity.

[0027] (glue) The first and second joined parts 11 and 12 may be joined by, for example, an adhesive. The first and second joined parts 11 and 12 of the fabric 1 are overlapped, and an adhesive is applied to the overlapped parts using a jet applicator or the like, and they are joined by thermal fusion. Alternatively, they may be joined by applying an adhesive that can be bonded without heating. The adhesive may be a liquid type resin, a film type or a powder type adhesive, or the like. The adhesive may be made of polyurethane, nylon, polyamide, ethylene-vinyl acetate, olefin, styrene, or butadiene, or the like.

[0028] <Method of manufacturing the foot cover 100> A method for manufacturing the foot cover 100 according to this embodiment will be described below. The method for manufacturing the foot cover 100 includes a forming step of cutting a fabric that is the material of the foot cover 100 and forming the fabric 1 in a desired shape, and a joining step of joining the fabric 1 to form the main body part 101.

[0029] In the manufacturing method of the foot cover 100, first, in a forming step, a stretchable fabric is cut along a desired pattern to form a substantially flat and seamless fabric 1. The shape of the cut fabric 1 is, for example, the shape shown in FIG.

[0030] Next, in the joining process, the cut fabric 1 is folded along the center line R that divides the fabric 1 into approximately two equal parts in the foot width direction, and part of the outer edge of the fabric 1, excluding the opening 6, is joined to form the main body 101. Specifically, the first joined part 11 and the second joined part 12 are joined to form the first joined part 7. In addition, the third joined part 13 and the fourth joined part 14 are joined to form the second joined part 8. This forms the bag-shaped main body 101 that can accommodate the foot F.

[0031] In the joining process, the first joining portion 11 and the second joining portion 12 may be overlapped with each other and ultrasonically welded, and the excess overlapping portion in the welded area may be cut off to form the first joining portion 7. Furthermore, a strip-shaped joining member may be attached on the first joining portion 7 along the direction in which the first joining portion 7 extends when the foot cover 100 is viewed from the heel portion 3 side. The first joining portion 7 may be joined by the strip-shaped joining member. This allows the thickness of the first joining portion 7 to be thin, improving comfort. The same applies to the second joining portion 8.

[0032] <Effects of Foot Cover 100> The foot cover 100 according to this embodiment includes a toe portion 2 that covers the toes of the foot F, a heel portion 3 that covers the heel of the foot F, and a plantar portion 5 that covers the sole of the foot F, and is provided with a main body portion 101 having an opening 6 for inserting and removing the foot F formed on the opposite side to the plantar portion 5. In a side view of the main body portion 101 folded along a center line R that approximately bisects the main body portion 101 in the foot width direction, a first joint portion (7) and a second joint portion (8) are formed on a part of the outer edge 10 excluding the opening 6. The first joint portion (7) is formed on the toe side outer edge of the outer edge 10 from the toe portion 2 to the toe side end 6A of the opening 6, and the second joint portion (8) is formed along the heel side outer edge from the heel portion 3 to the heel side end 6B of the opening 6.

[0033] In the joining process, the foot cover 100 has a main body 101 formed by joining the first and second joined parts 11 and 12 to the third and fourth joined parts 13 and 14. Therefore, the foot cover 100 has fewer joined parts than conventional foot covers, and the stretchability of the fabric is less likely to be impaired.

[0034] In addition, the first and second joints 7 and 8 are located on approximately the same plane. This makes it easier to join them than conventional foot covers, which have joints across multiple three-dimensional planes, and allows the fabrics to be joined with a single alignment. This simplifies the joining process in the manufacture of the foot cover 100, and improves productivity compared to conventional methods.

[0035] Therefore, according to this embodiment, it is possible to provide a foot cover 100 that has reduced joints, thereby preventing deterioration in comfort and improving productivity.

[0036] <Modification> In the above-described embodiment, the main body 101 is formed by joining the fabric 1 of the outer edges of the toe part 2 and the heel part 3, but the main body 101 may be formed by joining other parts. Fig. 4 is a perspective view showing the appearance of a foot cover 100A in a worn state according to a modified example of the present invention. As shown in Fig. 4, the foot cover 100A has a third joining part 16 on the sole part 5.

[0037] FIG. 5 is a development view showing the shape of the fabric 1A. As shown in FIG. 5, the fabric 1A has a fifth joined portion 17 on one side of the region from the toe side end to the heel side end at the outer edge, and a sixth joined portion 18 on the other side. The main body portion 101 is formed into a bag shape capable of accommodating the foot F by joining the fifth joined portion 17 and the sixth joined portion 18 of the fabric 1A. As an example, the fabric 1A has an elliptical shape symmetrical with respect to the center line R as shown in FIG. 5. The fabric 1A has an elliptical opening symmetrical with respect to the center line R at a position close to the heel side end. In the fabric 1A, the portion where the fifth joined portion 17 and the sixth joined portion 18 are joined becomes the third joined portion 16 of the main body portion 101 shown in FIG. 4.

[0038] FIG. 6 is a diagram showing the foot cover 100A folded in the foot width direction as viewed from the outer side edge portion 4B side. As shown in FIG. 6, when the foot cover 100A folded in the foot width direction is viewed from the outer side edge portion 4B side, the third joint portion 16 is located at the outer edge 10 of the foot cover 100A. In other words, in the foot cover 100A, the outer edge 10 is joined from the toe side end of the sole portion 5 to the heel side end. At this time, since the third joint portion 16 is formed on approximately the same plane, the entire main body portion 101 of the foot cover 100A is formed by joining the parts once. This simplifies the joining process in the manufacture of the foot cover 100A, and improves productivity compared to the conventional method.

[0039] The shape of the fabric 1A for forming the foot cover 100A is not limited to the above. The shape of the fabric 1A may be any shape as long as the third bonded portion 16 is formed on the sole portion 5 when the entire body portion 101 is formed.

[0040] In the above-described embodiment, the main body 101 of the foot cover 100 is made of only one piece of fabric 1, but a material such as a fabric other than the fabric 1 may be added. That is, the foot cover 100 may have a different fabric 1B laminated on the main body 101. FIG. 7 is a perspective view showing the appearance of a foot cover 100B in a worn state according to a modified example. As shown in FIG. 7, in the foot cover 100B, a different fabric 1B is laminated on the sole portion 5 of the main body 101.

[0041] FIG. 8 is a diagram showing a state in which the fabric 1B is added to the fabric 1. As an example, as shown in FIG. 8, the fabric 1B made of a cotton blend material or the like may be placed on the part of the fabric 1 corresponding to the sole part 5, and the fabric 1B may be joined to the fabric 1 at the same time as the first joining part 7 and the second joining part 8 are joined. Specifically, adhesive or the like is applied to the outer edge part of the fabric 1B, and the fabric 1B is placed so that the side to which the adhesive is applied contacts the fabric 1. Next, the fabric 1 and the fabric 1B are folded along the center line R. At this time, the fabric 1 is folded so as to sandwich the fabric 1B. After that, the fabric 1 and the fabric 1B are heated and thermocompressed. This allows the foot cover 100B to be formed in which the fabric 1B is additionally joined to the sole part 5. When manufacturing the foot cover 100B, it is preferable to use a seamless joining method in order to reduce the manufacturing process.

[0042] According to the above-mentioned method, even when the fabric 1B is laminated, the entire foot cover 100B can be formed by one joining process, so there is no need to add a separate joining process, and high productivity can be maintained. The laminated fabric 1B may be made of a material other than a cotton blend fabric. For example, the fabric 1B may be laminated with a material having moisture absorption and water absorption properties to suppress stuffiness, a material having deodorizing properties, a material having cushioning properties, or a non-slip material to reduce the slippage between the sole part 5 and other parts of the foot cover 100B. This can further improve the comfort of the foot cover 100B. The part where the fabric 1B is laminated does not have to be the sole part 5. For example, the foot cover 100B may be formed by laminating and joining the fabric 1B made of a material having cushioning properties or the like in the area forming the toe part 2 of the fabric 1.

[0043] [Embodiment 2] Other embodiments of the present invention will be described below. For ease of explanation, the same reference numerals are given to members having the same functions as those described in the above embodiment, and the description thereof will not be repeated.

[0044] Fig. 9 is a perspective view showing the appearance of the foot cover 100C according to this embodiment when worn. Fig. 10 is a diagram showing the shapes of the fabric 1C and fabric 1D. As shown in Fig. 9, the foot cover 100C according to this embodiment is made up of a plurality of fabrics, and in addition to the configuration of the foot cover 100, fourth joints 19 are formed on both sides of the side parts 4 and on the sole part 5.

[0045] As shown in FIG. 10, the foot cover 100C according to this embodiment is formed by joining two pieces of fabric, fabric 1C (toe side fabric) including the toe portion 2 and fabric 1D (heel side fabric) including the heel portion 3. Fabric 1C has a first joined portion 11 and a second joined portion 12, and fabric 1D has a third joined portion 13 and a fourth joined portion 14. Fabric 1C further has a seventh joined portion 20 at the heel side end. Fabric 1D further has an eighth joined portion 21 at the toe side end. The seventh joined portion 20 and the eighth joined portion 21 are regions having shapes symmetrical with respect to a line perpendicular to the center line R.

[0046] The seventh portion to be joined 20 and the eighth portion to be joined 21 are joined together, thereby connecting the fabric 1C and the fabric 1D. The fabric obtained by joining the fabric 1C and the fabric 1D together becomes a single piece of fabric having the same shape as the fabric 1, and the portion where the seventh portion to be joined 20 and the eighth portion to be joined 21 are joined together becomes the fourth joining portion 19 of the side portion 4 of the foot cover 100C. The seventh portion to be joined 20 and the eighth portion to be joined 21 can be joined together in the same manner as the method for joining the first portion to be joined 11 and the second portion to be joined 12.

[0047] In this way, the main body 101 may be made of a single piece of fabric, or may be made of multiple pieces of fabric.

[0048] <Modification> In the above-described embodiment, a piece of fabric is used that divides the area between the end P on the side of the toe portion 2 and the end Q on the side of the heel portion 3 approximately equally, but the two pieces of fabric 1C and 1D may have any shape that allows them to be joined together to form the foot cover 100C. For example, fabric 1C may be a piece of fabric that includes only the area where the toe portion 2 is to be formed, and fabric 1D may be a piece of fabric that includes the areas that form the heel portion 3, the side portion 4, and the opening 6.

[0049] In addition, in the above-described embodiment, a foot cover 100C has been described which has a first joint 7 and a second joint 8 on the toe 2 side and on the heel 3 side, and is formed by joining two pieces of fabric 1C and 1D, but the joining points are not limited to this.

[0050] 11 is a perspective view showing the appearance of a foot cover 100D according to a modified example. As shown in FIG. 11, the foot cover 100D has a third joint 16 on the sole portion 5 and a fourth joint 19 on the side portion 4.

[0051] Fig. 12 is a diagram showing the shapes of fabric 1E and fabric 1F. Foot cover 100D is formed by joining two pieces of fabric 1E and fabric 1F front and back. Fabric 1E is the fabric on the side where toe portion 2 of foot cover 100D is formed, and fabric 1F is the fabric on the side where heel portion 3 of foot cover 100D is formed. By joining fabric 1E and fabric 1F, a fabric having the same shape as fabric 1A is formed.

[0052] As shown in FIG. 12, the fabric 1E includes a fifth joined portion 17A, a sixth joined portion 18A, and a ninth joined portion 22. The ninth joined portion 22 is a region located at the heel side end of the fabric 1E. The fabric 1F includes a fifth joined portion 17B, a sixth joined portion 18B, and a tenth joined portion 23. The tenth joined portion 23 is a region located at the toe side end of the fabric 1F. By joining the ninth joined portion 22 and the tenth joined portion 23, the fabric 1E and the fabric 1F are joined to form a single piece of fabric having the same shape as the fabric 1A. Note that there is no fabric near the center of the heel side end of the fabric 1E and near the center of the toe side end of the fabric 1F, so that openings are formed. The openings become the openings 6 of the foot cover 100D.

[0053] By joining fabric 1E and fabric 1F, fifth joined portion 17A and fifth joined portion 17B are connected to form a region having the same shape as fifth joined portion 17 in fabric 1A. Also, sixth joined portion 18A and sixth joined portion 18B are connected to form a region having the same shape as sixth joined portion 18. [Explanation of symbols]

[0054] 1. 1A~1F Fabric 2 Toe 3 Heel 4 Side part 5. Sole 6 Opening 7 1st joint (joint) 8 Second joint (joint) 16 Third joint (joint) 10 Outer Edge 100, 100A~100D Foot Cover 101 Main body

Claims

1. A foot cover including a toe portion for covering the toes of a foot, a heel portion for covering the heel of the foot, and a sole portion for covering the sole of the foot, the main body having an opening for putting the foot in and out formed on the opposite side to the sole portion, The main body has an elliptical shape with a minor axis in the foot width direction as an outer shape of the fabric before joining, and when viewed from the side in a state where the fabric is folded along a center line that approximately bisects the minor axis, a joining portion is formed on a part of the outer edge excluding the opening, The joint is formed along a plantar outer edge, which is an outer edge of the sole part, of the outer edges, When viewed from the side, the toe side end of the joint, the toe side end of the opening, the heel side end of the opening, and the heel side end of the joint are aligned in a line along the center line.

2. The main body is made of a single piece of fabric, The foot cover according to claim 1 , wherein ends of the single piece of fabric are joined at the joints.

3. The main body portion is made up of a plurality of fabrics, The foot cover according to claim 1 , wherein the plurality of fabrics include at least a toe side fabric including the toe portion and a heel side fabric including the heel portion.

4. The foot cover according to claim 1 , wherein the fabric of the main body portion is joined seamlessly at the joining portion.

5. The foot cover according to claim 1 , further comprising an anti-slip portion made of a material having a higher frictional force than the fabric of the main body portion.

6. 6. The foot cover according to claim 1, wherein a fabric different from the fabric of the sole portion is laminated on the sole portion.

7. A foot cover described in any one of claims 1 to 6, wherein a strip-shaped joining member is attached to the joint.

8. A method for manufacturing a foot cover comprising a toe portion for covering the toes of a foot, a heel portion for covering the heel of the foot, and a sole portion for covering the sole of the foot, the method comprising the steps of: A forming step of forming a fabric constituting the main body portion having an elliptical outer shape with a minor axis in the foot width direction; and a joining step of joining a part of an outer edge of the fabric excluding the opening to form the main body when viewed from a side in a state in which the fabric is folded along a center line that approximately bisects the short axis of the fabric, In the joining step, the fabric is joined along a sole side outer edge, which is the outer edge of the sole portion, among the outer edges. A method for manufacturing a foot cover, which produces a foot cover in which, when viewed from the side, the toe side end of the portion where the fabric is joined, the toe side end of the opening, the heel side end of the opening, and the heel side end of the portion where the fabric is joined are aligned in a row along the center line.

Citation Information

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