JP7352701B2 - foot cover - Google Patents

Description

The present invention relates to a foot cover that hides inside shoes such as pumps (mainly women's shoes with a wide open instep) and becomes invisible when worn, and in particular, it is easy to wear and can be taken off during movements such as walking. The present invention relates to a foot cover that is less prone to slipping or shifting and is suitable for people who have low resistance to certain chemical substances (represented by silicone resins, which will be described in more detail later).

Wearing shoes such as pumps with bare feet has become established as fashion. In this case, if the pumps and the soles of the feet are in direct contact, sweat generated on the feet will cause the inside of the shoes to become stuffy, causing discomfort.
Therefore, we proposed a thin foot cover that covers the sole of the foot, including the toes and heel, and exposes the instep and ankle, and has a large opening cut to prevent it from being exposed from the pumps when worn. has been done. If you wear pumps with this foot cover, it will look like you are wearing pumps on bare feet, but since the foot cover is between the sole of your foot and the pumps, the inside of your shoes will get stuffy due to sweat. It is possible to prevent this from happening.

Note that such a foot attachment device is referred to as a foot cover in this specification, but may also be referred to as a sock cover, inner sock, nude sock, cover sock, or the like.
Since the opening of such foot covers is cut wide so as not to be exposed from the pumps, friction during walking may cause the foot covers to shift, slip off, or slip. On the other hand, if the opening is made too small, it will be exposed through the pumps. Foot covers developed in view of such problems are disclosed in the following prior art documents.

Japanese Unexamined Patent Publication No. 10-292206 (Patent Document 1) discloses that the foot cover may come off from bare feet due to friction between the pumps and the foot cover when walking, or the foot cover may come off when putting on or taking off the pumps, or the position of the foot cover may be incorrect. A foot cover is disclosed in which a friction imparting body is attached to the inner surface of a heel contact part in order to prevent the foot cover from slipping.
Utility Model Registration No. 3165733 (Patent Document 2) discloses that when a rubber cord is provided along the periphery of the opening of the foot cover disclosed in Patent Document 1, the rubber cord digs into the foot, so the rubber cord does not fit into the foot. In view of the problems of the laces forming, causing pain, and being uncomfortable to wear, we created a band-like elastic band with flat rubber along the periphery of the opening so that one side is in contact with the foot. Disclosed is a foot cover having a portion formed therein.

Japanese Patent Application Publication No. 10-292206 Utility model registration No. 3165733

Here, the friction imparting body of the foot cover disclosed in Patent Document 1 may not be sufficient, and in this case, the foot cover may come off when walking or putting on and taking off the pumps, or the position of the foot cover may shift. Relaxing. In the flat rubber disclosed in Patent Document 2, since the flat rubber is provided over the entire periphery of the opening (depending on the elasticity of the flat rubber), the opening is sufficiently wide when wearing the foot cover. In addition to being difficult to put on because they do not open, there is also the problem that, similar to the foot cover disclosed in Patent Document 1, the foot cover may come off or be misplaced when putting on or taking off the pumps.

Furthermore, silicone resin, which is a specific chemical substance, is often suitably used as a friction imparting material, and by using the adhesive properties of this silicone itself to bring the skin of the foot into direct contact with the silicone resin, a foot cover can be used. This solves the problem of shoes falling off or being worn in the wrong position.
However, while silicone resins are suitable for solving these problems, they are less resistant to certain chemical silicone resins (because such foot covers are worn on bare feet). There is a possibility that the skin of the feet, which is in close contact with silicone resin, may become irritated (covered) by the chemical silicone resin. In order to solve the problem of foot covers falling off or slipping out of position, it is preferable to use a large amount of silicone resin so that the area of contact between the skin of the foot and the silicone resin is large. Increasing the size may cause more (and more severe) skin on the feet to become covered with silicone resin.

The present invention was developed in view of the above-mentioned problems of the prior art, and its purpose is to prevent foot covers from falling off or misaligned when walking or putting on and taking off pumps. To provide a foot cover capable of suppressing irritation of the skin of the feet caused by silicone resin without causing any irritation.

In order to achieve the above object, the foot cover according to the present invention takes the following technical measures.
That is, the foot cover according to the present invention is a foot cover that covers the instep and the sole of the foot and exposes the ankle, and is formed of a sole part, a heel part, and an instep part, and is located above and below the sole part of the foot. An opening for putting the foot in and out is provided on the opposite side, and a silicone anti-slip part containing a silicone resin having a repeating shape is provided on the skin contact side of the heel, and the repeating shape is a curved line forming a closed figure. It is characterized in that it is formed of a shaped or linear silicone resin, and that no silicone resin is provided inside the closed shape.

According to the foot cover of the present invention, the foot cover does not fall off or shift its position when walking or putting on and taking off pumps, and it is possible to suppress irritation of the skin of the feet caused by silicone resin. Foot covers can be provided.

They are (A) an overall perspective view of a foot cover according to an embodiment of the present invention, and (B) a perspective view seen from the back side with the heel raised. FIG. 3 is a diagram for explaining a silicone anti-slip portion provided on the skin contact side of the heel portion of the foot cover according to the embodiment of the present invention.

Hereinafter, a foot cover according to an embodiment of the present invention will be described in detail based on the drawings. Note that there are various foot cover structures, and the present invention is not limited to a specific structure, and can be applied to any foot cover structure as long as it has the features described below. Basically, it does not matter what type of fabric, the pattern of the fabric, and the method of joining the fabric form the foot cover. Therefore, the structure of the foot cover shown below is merely an example.

The fabric that forms this foot cover is bare jersey (bare jersey), which is knitted using thread (covered yarn, etc.) that is made by wrapping threads of other materials (cotton, wool, etc.) around a polyurethane thread. Plain knitted fabric), tricot (warp knitted fabric knitted by a tricot machine, which is a type of warp knitting machine), fabric for pantyhose (knitted fabric containing polyurethane thread and nylon thread), etc. are preferably used. In particular, among these, bare top has (1) excellent elasticity, (2) good shape stability and little change in shape after washing, and (3) soft texture and excellent fit. (4) It is less likely to wrinkle or crease, (5) it has a porous structure, so it is breathable, and (6) when it contains cotton, it is good to the touch and absorbs moisture, making it preferable for foot covers.

Furthermore, the foot cover according to the present embodiment is a foot cover that covers the sole of the foot including the toe and the heel and exposes the instep and ankle, and covers the sole, side, heel, and toe. Formed at the tip of the toe. Further, although not limited to this, the foot cover shown below is suitable for both left and right use, and is preferred in that it is possible to avoid wearing the left and right shoes by mistake. Note that if the foot cover is not for both left and right feet, the foot cover for the left foot and the right foot have symmetrical shapes.

What is unique about this product is that the skin-contacting side of the heel is equipped with a silicone anti-slip part containing a repeating shape of silicone resin. It is made of resin and does not contain silicone resin inside the closed shape. Note that the foot cover according to the present embodiment includes a plurality of fabrics (fabric forming the toe portion 102A and side portion 102B (fabric forming the side portion 102), fabric forming the sole portion 104, and fabric forming the heel portion 106). However, there is no limitation on how these fabrics are joined together. For example, fabrics may be joined together by sewing, or adhesive tape coated with an adhesive on one side of a band-shaped member may be heated to melt the adhesive and thermally bond the fabrics together. It does not matter if it is something that joins together. Here, this bonding includes bonding by thermocompression, bonding by heat welding, bonding by heat fusion, and the like.

FIG. 1(A) shows an overall perspective view of a foot cover 100 according to an embodiment of the present invention, and FIG. 1(B) shows a perspective view of the foot cover 100 with the heel raised as seen from the back side. Further, FIG. 2 is a diagram for explaining the silicone anti-slip portion provided on the skin contact side of the heel portion of the foot cover 100, and FIG. 2(A) is a diagram showing the entire silicone anti-slip portion 116. , FIG. 2(B) is an enlarged view for explaining the repeating shape 116B1, and FIG. 2(C) is a view showing the entire silicone anti-slip portion 216 (separate from the silicone anti-slip portion 116). (D) shows an enlarged view for explaining the repeating shape 216B1 (different from the repeating shape 116B1). 2(A) and 2(B) and FIG. 2(C) and FIG. 2(D), curves (meaning curved figures) or straight lines (straight lines) constituting a closed figure that is a repeating shape are shown. (meaning a shaped figure), but they have in common that they do not contain silicone resin inside the closed figure. Here, FIG. 1(A) and FIG. 1(B) assume a state in which the foot cover 100 is worn on the foot F of the wearer. That is, since the foot cover 100 according to the embodiment of the present invention is formed of stretchable fabric such as tricot, it will be in a shrunken state unless shown in the drawings, making it difficult to understand the shape. Since this is difficult, the above assumption is made.

As shown in these figures, this foot cover 100 is a foot cover that covers the sole of the wearer's foot F, including the toes and heel, and exposes the instep and ankle. This foot cover 100 is made of thin stretchable fabric (fabric such as tricot) with a large opening that is the opening of the shoe so that it will not be exposed from the pumps when worn. Here, "not being exposed from the pumps when worn" includes the foot cover 100 being hidden by the pumps and becoming invisible or difficult to see.

The foot cover 100 is formed of a toe portion 102A, a sole portion 104, a side portion 102B, and a heel portion 106. As described above, the foot cover 100 is made of three fabrics: the fabric forming the toe part 102A and the side part 102B (the fabric forming the side part 102), the fabric forming the sole part 104, and the fabric forming the heel part 106. The fabrics are sewn together. More specifically, the fabric forming the toe portion 102A and the side portions 102B and the fabric forming the heel portion 106 are joined together by vertical suture lines 110 at two places on the left and right to form the fabric forming the toe portion 102A and the side portions 102B. The fabric forming the heel portion 106 and the fabric forming the sole portion 104 are each sewn together by a suture line 112 along the outer periphery of the sole.

Further, an opening for inserting and removing the foot is provided on the upper and lower opposite sides of the sole portion 104. A narrow stretchable fabric 114 is provided on the inside of the foot cover 100 (the side that touches the foot F: the skin side) over the entire circumference of the upper edge of this opening. When wearing this foot cover 100, if you stretch the narrow elastic fabric 114, the opening will open wide, making it easier to wear. Since the part is small, the foot cover 100 does not come off when walking. Note that the narrow stretchable fabric 114 may be provided on the outside of the foot cover 100 (the side opposite to the side where the foot F contacts: the shoe side) over the entire circumference of the upper edge of this opening. Note that this stretchable narrow fabric 114 may be provided on a part of the upper edge of the opening instead of all around it, or may be provided intermittently rather than continuously. It does not have to be provided in the opening. In either case, the provision of the stretchable narrow fabric 114 makes it easier to wear the foot cover 100, and the foot cover 100 is less likely to come off or shift its position even when walking or other movements. An example of this stretchable narrow fabric 114 is a nylon tape.

The feature of this foot cover 100 is that on the inside of the foot cover 100 at the upper edge of the heel portion 106 (the side in contact with the foot F: the skin side), a heel portion anti-slip 116 containing a silicone resin with a repeating shape is provided. The point is that Thereby, it is possible to improve the adhesion with the heel of the foot F and prevent the foot cover 100 from shifting from the heel of the foot F, and it is also possible to suppress the skin of the foot from becoming irritated by the silicone resin. .

The heel anti-slip 116 will be described in detail with reference to FIGS. 2(A) and 2(B).
This heel anti-slip 116 is made by applying silicone resin or pasting a silicone tape coated with adhesive on the back side of the elastic fabric 116A, which serves as a mount, so as to have a repeating shape, which will be described later. It is formed. Note that the silicone resin may be applied directly to the fabric forming the heel portion 106 without providing the stretchable fabric 116A serving as a mount.

The repeating shape of the heel anti-slip 116 is formed as a closed figure made of linear silicone resin, and no silicone resin is provided inside the closed figure. More specifically, as shown in FIG. 2(B), the silicone resin S is formed to have a linear and repeated shape, and the region Z inside the closed shape is not provided with silicone resin. Note that this linear shape includes a curved shape (R shape) in order to maintain continuity at the bending point P.

The silicone resin having such a repeating shape (wave shape, zigzag shape) is arranged so that the repeating length becomes shorter from above the heel to below the heel, and the repeating direction is approximately left-right direction (approximately lateral direction). ), silicone resin 116B1, silicone resin 116B2, and silicone resin 116B3 are provided. Furthermore, silicone resin 116B4 is provided on the sides of the heel so that the repeating direction is approximately vertical (approximately vertical).

The silicone resin 116B1, the silicone resin 116B2, and the silicone resin 116B3, which have such repeating shapes that are repeated in the substantially left-right direction, generate a strong grip force against vertical movement of the heel. Furthermore, in addition to this, the silicone resin 116B4 having such a repeating shape that is repeated substantially in the vertical direction can generate a stronger grip force against the vertical movement of the heel. As a result, the silicone resin 116B1, silicone resin 116B2, and silicone resin 116B3 each having a repeating shape that is repeated in the substantially left-right direction, and the silicone resin 116B4 having a repeating shape that is repeated in the substantially vertical direction wrap the entire heel. By holding the foot cover 100 in place, it is possible to improve the adhesion with the heel of the foot F and prevent the foot cover 100 from slipping off from the heel of the foot F.

The silicone resin S is formed to have a linear and repeating shape, and since the silicone resin is not provided in the region Z inside the closed figure, the contact area between the skin of the foot and the silicone resin is reduced. Since the amount can be reduced, it is possible to prevent the skin of the feet from getting irritated by the silicone resin. In this case, as described above, the entire heel is made of silicone resin 116B1, silicone resin 116B2, and silicone resin 116B3 having a repeating shape that is repeated in the substantially left-right direction, and silicone resin 116B4 having a repeating shape that is repeated in the substantially vertical direction. Even if the contact area between the skin of the foot and the silicone resin is small, its high holding ability can prevent the foot cover 100 from shifting from the heel of the foot F. .

As a result, the foot cover 100 equipped with such a heel anti-slip 116 suppresses the irritation of the skin of the feet caused by the silicone resin, while preventing the foot cover from falling off when walking or putting on and taking off pumps, It is possible to prevent it from shifting.
Next, the heel anti-slip 216 formed from silicone resin with different repeating shapes will be described in detail with reference to FIGS. 2(C) and 2(D).
FIG. 2(C) corresponds to FIG. 2(A), and FIG. 2(D) corresponds to FIG. 2(B).

This heel anti-slip 216, like the heel anti-slip 116, is made of a stretchable fabric 216A serving as a mount coated with silicone resin or an adhesive on the back surface so as to have a repeating shape, which will be described later. It is formed by pasting silicone tape. Note that, similarly to the heel anti-slip 116, silicone resin may be applied directly to the fabric forming the heel 106 without providing the stretchable fabric 216A serving as a mount.

The repeated shape of the heel anti-slip 216 is formed as a closed figure made of curved silicone resin, and the inside of the closed figure is not provided with silicone resin. More specifically, as shown in FIG. 2(D), the silicone resin S is formed to have a curved and repeated shape, and the region Z inside the closed shape is not provided with silicone resin.
Similar to the heel anti-slip 116, silicone resin having such a repeating shape (doughnut shape, continuous elliptical shape) is made of silicone resin such that the repeating length becomes shorter from above the heel to below the heel. Silicone resin 216B1, silicone resin 216B2, and silicone resin 216B3 are provided so that the repeating direction is approximately in the left-right direction (approximately in the horizontal direction). Furthermore, silicone resin 216B4 is provided on the sides of the heel so that its repeating direction is approximately vertical (approximately vertical).

Silicone resin 216B1 having such a repeating shape that is repeated approximately in the horizontal direction
, silicone resin 216B2 and silicone resin 216B3 generate a strong grip force against vertical movement of the heel. Furthermore, in addition to this, the silicone resin 216B4 having such a repeating shape that is repeated substantially in the vertical direction can generate a stronger grip force against the vertical movement of the heel. As a result, the silicone resin 216B1, silicone resin 216B2, and silicone resin 216B3 having a repeating shape that is repeated in the substantially left-right direction, and the silicone resin 216B4 having a repeating shape that is repeated in the substantially vertical direction wrap the entire heel. By holding the foot cover 100 in place, it is possible to improve the adhesion with the heel of the foot F and prevent the foot cover 100 from slipping off from the heel of the foot F.

Similarly to the heel anti-slip 116, the silicone resin S is formed to have a linear and repeated shape, and since the area Z inside the closed shape is not provided with silicone resin, the silicone resin S is Since the area of close contact between the skin and the silicone resin can be reduced, it is possible to prevent the skin of the feet from getting irritated by the silicone resin. In this case, as described above, the entire heel is made of silicone resin 216B1, silicone resin 216B2, and silicone resin 216B3 having a repeating shape that is repeated in the substantially left-right direction, and silicone resin 216B4 having a repeating shape that is repeated in the substantially vertical direction. Even if the contact area between the skin of the foot and the silicone resin is small, its high holding ability can prevent the foot cover 100 from shifting from the heel of the foot F. .

As a result, according to the foot cover 100 equipped with such a heel anti-slip 216, similar to the foot cover 100 equipped with a heel anti-slip 116, the foot cover 100 suppresses irritation of the skin of the foot due to silicone resin while walking. This can prevent the foot cover from coming off or shifting when putting on and taking off the pumps.
In addition, since the repeated shape is formed as a closed figure using curved or linear silicone resin, there are also cases where the repeating shape is formed using only curved silicone resin, such as silicone resin 216B1, as well as silicone resin 116B1. It includes those formed of a silicone resin with only a linear shape, and those formed with a silicone resin with a combination of a curved shape and a straight shape, although not illustrated.

In addition, in this foot cover 100, the fabrics other than the sole part 104 (the fabric forming the side part 102 and the fabric forming the heel part 106) may be formed of the same common fabric. do not have. That is, except for the mesh fabric forming the sole portion 104, this foot cover 100 may be entirely formed of the same stretchable fabric (tricot, etc.). In addition, in this foot cover 100, the stretchable narrow fabric 114 is heated by a heat press device so that an adhesive applied to the stretchable narrow fabric 114 melts and is thermally bonded to the fabric. has been done. Further, in the foot cover 100, the fabric other than the sole portion 104 forming the foot cover 100 and the stretchable narrow fabric 114 may be formed of the same fabric.

As described above, the foot cover 100 according to the present embodiment suppresses irritation of the skin of the feet caused by the silicone resin, while preventing the foot cover from falling off or being misplaced when walking or putting on and taking off pumps. You can prevent this from happening.
It should be noted that the embodiments disclosed herein are illustrative in all respects and should not be considered restrictive. The scope of the present invention is indicated by the claims rather than the above description, and it is intended that all changes within the meaning and range equivalent to the claims are included.

INDUSTRIAL APPLICABILITY The present invention is suitable for a foot cover that can prevent pumps from falling off or being misplaced when walking or putting on and taking off pumps, and is particularly preferable in that it can suppress irritation of the skin of the feet caused by silicone resin. .

100 Foot cover 102 Side part 102A Toe part 102B Side part 104 Sole part 106 Heel part 114 Stretchable narrow fabric 116, 216 Heel part non-slip F Foot

Claims (4)

A foot cover that covers the toes and the sole of the foot including the heel and exposes the instep and ankle, and is formed of the sole of the foot, the sides, the heel, and the toe that covers the toe ,
A silicone anti-slip portion containing a silicone resin having a repeating shape in which the same non-circular shape is repeated is provided on the skin-contacting side of the heel,
The repeating shape is
Formed by one stroke of a curved or linear silicone resin constituting one closed figure, and without silicone resin inside the one closed figure;
or
Formed in a single stroke using a single curved or linear silicone resin constituting one closed figure, and other than silicone resin constituting the same figure other than the circular shape inside the one closed figure Does not contain silicone resin,
The silicone anti-slip portion is formed by a plurality of repeating shapes arranged apart from each other, and a first figure whose repeating direction is substantially in the left-right direction and the first figure have substantially different repeating directions. A foot cover comprising: a second figure provided vertically . A foot cover that covers the toes and the sole of the foot including the heel and exposes the instep and ankle, and is formed of the sole of the foot, the sides, the heel, and the toe that covers the toe,
An opening for putting the foot in and taking it out is provided on the opposite side above and below the sole of the foot,
A silicone slip containing a silicone resin in a closed repeating shape in which the same closed shapes other than a circle are opened on the skin-contacting side of the heel, and the same closed shapes are opened at the connected position and the same shapes are connected. Equipped with a stop part,
The closed repeating shape is formed of a curved or linear silicone resin, and the closed repeating shape is formed of a curved or linear silicone resin other than the curved or linear silicone resin that constitutes a portion of the repeating shape inside the outermost line of the repeating shape. Does not contain silicone resin,
The silicone anti-slip portion is formed by a plurality of the repeating shapes arranged apart from each other, and the repeating direction is different from the first figure provided in the substantially left-right direction and the first figure. A foot cover comprising: a second figure provided in a substantially vertical direction. The first graphic is provided so that the repeating length becomes shorter from above the heel to below the heel,
3. The foot cover according to claim 1, wherein the second graphic is provided on the side of the heel. The foot cover according to any one of claims 1 to 3, wherein the repeating shape is any one of a wavy shape, a zigzag shape, a continuous donut shape, and a continuous elliptical shape.

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