JP6905847B2 - Shoes upper and shoes - Google Patents

Description

The present invention relates to a shoe upper and a shoe having a reinforcing member at least in a predetermined area of a side surface portion.

In general shoes, a reinforcing member is arranged at a predetermined portion (for example, a heel portion or a toe portion) of a side surface portion of a shoe upper (hereinafter, also simply referred to as an upper) to reinforce the shoe. For example, Patent Document 1 discloses shoes in which members for reinforcing the toe portion and the heel portion are fixed to the outer surface of the fabric constituting the upper (hereinafter, also referred to as prior art 1) (Patent Document 1). 1 See FIG. 13).

Further, Patent Document 2 discloses a shoe made of knitted fabric in which the heel portion of the upper body is knitted so as to have a three-dimensional shape along the outer circumference of the user's heel. As one aspect of the above shoes, the heel portion of the upper body has a counter that supports the user's heel (that is, a reinforcing member of the heel portion) and an inner heel portion provided on the user's heel side with the counter in between. And a shoe having an outer heel portion provided on the side opposite to the user's heel (hereinafter, also referred to as prior art 2) has been proposed. The inner heel portion and the outer heel portion in the prior art 2 are continuous via a boundary portion, and the inner heel portion is opened to the toe side without being folded into the inner side of the outer heel portion. It has a hood-like shape (see Patent Document 2, FIG. 9). The opening is provided at the toe-side end of the inner heel portion constituting the heel portion, and the opening end portion exists at or near the heel portion of the shoe. In the heel portion in the prior art 2, a counter is inserted through the opening and the counter is arranged inside the outer heel portion, and the inner heel portion is folded inside the outer heel portion, so that the outer heel portion is formed. A counter is placed between the and the inner heel.

Special Table 2014-514194 Japanese Unexamined Patent Publication No. 2015-223348

The shoes of the above-mentioned prior arts 1 and 2 have the following problems, respectively. That is, in the prior art 1, since the reinforcing member is provided on the outer surface of the shoe upper, the appearance of the shoe is limited by the reinforcing member, and it may be difficult to obtain a desired design and appearance.

On the other hand, since the counter provided in the prior art 2 is inserted and arranged between the outer heel portion and the inner heel portion through the opening, there is no possibility of affecting the appearance of the shoe. However, in the prior art 2, the open end of the inner heel portion constituting the heel portion of the upper body is the heel portion of the shoe or its vicinity (hereinafter, "the heel portion of the shoe or its vicinity" is referred to as "the vicinity of the heel portion or the like". It exists in (may be generically referred to). Therefore, on the inner surface of the shoe, a step is formed due to the opening end portion in the vicinity of the heel portion or the like. Since the vicinity of the heel is a region where the foot is particularly likely to hit the inner surface of the shoe, the foot may come into contact with the step and the user may feel uncomfortable. Even if the insole is arranged on the bottom surface of the shoe, the portion located on the side surface of the open end may be exposed as a step on the inner surface of the shoe, which may cause the above-mentioned discomfort (Patent Document 2, FIG. 7). reference). Further, the prior art 2 is not a technique corresponding to arranging the reinforcing member in a place other than the heel part.

The present invention has been made in view of the above-mentioned problems. That is, the present invention provides a shoe upper that can dispose a reinforcing member at a predetermined position, does not limit the appearance of the shoe, and does not give a sense of discomfort to the user, and a shoe using the shoe upper. Is.

The shoe upper of the present invention is composed of a non-sewn knitted fabric, and the entire circumference is composed of a non-sewn upper portion having a bottom surface portion and a side surface portion. a multilayer structure composed of knitted fabric, can be inserted opening reinforcement member between the inner knitted fabric and the outer knitted fabric consists of a bottom surface of said outer knitted fabric of the seamless upper portion outside It is characterized in that the reinforcing member is provided on the bottom surface portion and is arranged in a predetermined region between the outer knitted fabric and the inner knitted fabric on the side surface portion of the non-sewn upper portion.

The shoe of the present invention is characterized by including the shoe upper of the present invention and an insole.

In the shoe upper of the present invention, a reinforcing member is arranged at a predetermined position without limiting the appearance of the shoe, and an opening for inserting the reinforcing member is provided on the bottom surface of the non-sewn upper portion constituting the shoe upper. Since it is provided on the portion, it is prevented that the opening end portion comes into contact with the user's foot (particularly the side surface portion of the foot) to give a sense of discomfort.

Further, the shoe of the present invention includes the shoe upper of the present invention and an insole, and the opening provided in the bottom surface of the non-sewn upper portion constituting the shoe upper is configured to be covered with the insole. Therefore, the shoe of the present invention has a reinforcing member without limiting the appearance design, and it is prevented that the opening for inserting the reinforcing member comes into contact with the user's foot and gives a sense of discomfort. The cage is comfortable to wear.

It is a perspective view which shows an example of the shoe which concerns on 1st Embodiment of this invention. FIG. 2 is a sectional view taken along line II-II of the shoe shown in FIG. It is explanatory drawing for demonstrating the shoe upper in 1st Embodiment, (3a) shows the state before the reinforcing member is arranged in the non-sewn upper part, (3b) shows the state before the reinforcing member is arranged in the non-sewn upper part, and (3b) has the reinforcing member in the non-sewn upper part The arranged state is shown, and (3c) shows the shoe upper in the first embodiment. (4a) is a perspective view of a non-sewn upper portion according to the second embodiment of the present invention, and (4b) is an exploded view of the shoe upper according to the second embodiment. (5a) is a perspective view of a non-sewn upper portion according to the third embodiment of the present invention, and (5b) is an exploded view of the shoe upper according to the third embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In all drawings, similar components are designated by the same reference numerals, and duplicate description will be omitted as appropriate.
In the present invention or the present specification, the term "shoes" means footwear including outdoor shoes and indoor shoes, and is a general term for shoes having a shoe upper and being worn on the foot. In the present invention, the shoe upper means a component of a shoe having at least a side surface portion covering the instep portion. Further, in the shoe or shoe upper, the bottom surface portion means a portion arranged on the floor or the ground side at the time of use, and the side surface portion means a portion other than the bottom surface portion. The inside of the shoe or shoe upper refers to the side facing the user's foot side during use, and the outside refers to the side located opposite to the user's foot during use. Further, in the present specification, when the term refers to the vertical direction or the front-rear direction without particular notice, it means the vertical direction when the shoe or the shoe upper is placed on the floor in the state of being used.

<First Embodiment>
Hereinafter, the first embodiment of the cleaning tool of the present invention will be described with reference to FIGS. 1 to 3. FIG. 1 is a perspective view showing an example of shoes 200 according to the first embodiment of the present invention. FIG. 2 is a sectional view taken along line II-II of the shoe 200 shown in FIG. 3a to 3c are explanatory views for explaining the shoe upper 100 (hereinafter, also simply referred to as the upper 100) in the first embodiment, and in FIG. 3a, the reinforcing member 40 is arranged on the non-sewn upper portion 10. The previous state is shown, FIG. 3b shows a state in which the reinforcing member 40 is arranged on the non-sewn upper portion 10, and FIG. 3c shows the upper 100 in the first embodiment.

As shown in FIG. 1, the shoe 200 of the first embodiment includes an upper 100 and an insole 210. Further, in the shoe 200, the outsole 220 is arranged on the side opposite to the insole 210 via the bottom surface of the upper 100. The shoe 200 is provided with a reinforcing member 40 for reinforcing a predetermined portion. In the present embodiment, the reinforcing member 40 includes a heel portion reinforcing member 40A for reinforcing the heel portion and a toe portion reinforcing member 40B for reinforcing the toe portion.

The upper 100 has at least a part of the non-sewn upper portion 10. The non-sewn upper portion 10 is made of a non-sewn knitted fabric, and includes a bottom surface portion 12 and a side surface portion 14 as shown in FIG. The non-sewn upper portion 10 has a multi-layer structure composed of an outer knitted fabric 20 and an inner knitted fabric 30. In this embodiment, specifically, the double-structured non-sewn upper portion 10 will be described. The outer knitted fabric 20 and the inner knitted fabric 30 are continuous by the knitting means.

The non-sewn upper portion 10 provided on the upper 100 is provided with an opening 50 on the bottom surface portion 12 into which a reinforcing member 40 can be inserted between the outer knitted fabric 20 and the inner knitted fabric 30, and the side surface portion 14 has an opening 50. The reinforcing member 40 is arranged in a predetermined area between the outer knitted fabric 20 and the inner knitted fabric 30. With such a configuration, the reinforcing member 40 is not visible from the outside of the upper 100, so that the shoe 200 has the reinforcing member 40 without any possibility of restricting the appearance.

Further, in the upper 100, since the opening 50 is provided on the bottom surface portion 12 of the non-sewn upper portion 10, the step 54 (see FIG. 2) caused by the end portion (outer edge) of the opening 50 is a foot (particularly, particularly) of the user. It is prevented from touching the side surface of the foot to give a feeling of strangeness. In particular, when the upper 100 is used in a shoe 200 having an insole 210, the opening 50 is covered by the insole 210 from above. Therefore, the shoe 200 makes it difficult for the sole of the user's foot to detect the presence of the opening 50, and can provide a good comfort.

Further, since the non-sewn upper portion 10 is integrally formed by knitting means, it is used when a foot comes into contact with the sewn portion as in a mode in which a plurality of parts are joined by sewing to form a predetermined shape. There is no problem that the person feels uncomfortable. Therefore, the upper 100 and the shoe 200 provided with the upper 100 can provide a good comfort to the user at least in the non-sewn upper portion 10. Further, since the non-sewn upper portion 10 is integrally formed by knitting means, it does not require a cutting step of each part and a sewing step of each part, and thus has a structure that is easy to manufacture.

Next, the details of the upper 100 in the first embodiment will be described. As shown in FIG. 1, the upper 100 in the present embodiment is composed entirely of a non-sewn upper portion 10 having a multi-layer structure. That is, the upper 100 itself is made of a non-sewn knitted fabric. Therefore, the inner surface of the upper 100 does not have a sewn portion in which a plurality of parts constituting the upper 100 are sewn together, and the user does not feel a sense of discomfort caused by the sewn portion coming into contact with the foot, and the comfort is good. I will provide a. Further, the upper 100 of the present embodiment is more productive because it saves the labor of cutting and suturing as compared with the conventional upper which is three-dimensionally created by cutting a plurality of parts having different shapes and stitching them.

The non-sewn upper portion 10 made of a non-sewn knitted fabric can be appropriately produced by a known knitting method. For example, by using a flat knitting machine, the outer knitted fabric 20 and the inner knitted fabric 30 can be continuously and integrally knitted. WO2013 / 108506 discloses footwear knitted without sewing by a flat knitting machine provided with a pair of front and rear needle beds. Further, as a commercially available flat knitting machine, SWG-N ₂ Series (manufactured by Shima Seiki Seisakusho Co., Ltd.) or the like can be used to create the sewing-free upper portion 10. The non-sewn upper portion 10 has a three-dimensional structure of itself that does not have a sewn portion and is integrally formed of a knitted fabric, and a plurality of parts are joined by sewing to form a predetermined shape. Distinguished from things. However, the present invention does not exclude that the non-sewn upper portion 10 is provided with a sewn portion as necessary, such as when other parts are sewn on the non-sewn upper portion 10 or a design is applied.

The non-sewn upper portion 10 is composed of a knitted fabric created by using knitting yarn. The type of knitting yarn or the members constituting the knitting yarn are not particularly limited, and examples thereof include knitting yarns made of polyester-based materials, nylon, and the like. The composition of the knitting yarn may be monofilament or multifilament.

For example, the non-sewn upper portion 10 can be knitted so that at least one of the outer knitted fabric 20 and the inner knitted fabric 30 contains a heat-sealed yarn. By heat-treating the non-sewn upper portion 10 containing the heat-sealed yarn, the bondability between the outer knitted fabric 20 and the inner knitted fabric 30 or the outer knitted fabric 20 or the inner knitted fabric 30 and any other member Bondability can be improved. The heat-sealing yarn may have a melting point lower than that of the other yarns constituting the non-sewn upper portion 10, and is appropriately selected from known heat-sealing yarns. For example, as a commercially available heat-sealed yarn, a trade name; DIAFLORA (trademark of Toyobo Co., Ltd.) can be mentioned, but the present invention is not limited to this. Further, the heat-sealed yarn may be one in which at least a part constituting the heat-sealed yarn is composed of a member having a melting point lower than that of the non-heat-bonded yarn. The heat-sealed yarn that can be partially fused in this way is, for example, a yarn having a sheath core structure having a core portion that is continuous in the length direction and a sheath portion that covers the surface of the core portion. The melting point of the portion is lower than the melting point of the core portion. By using the yarn having the sheath core structure and performing heat treatment at a temperature at which the sheath portion is melted and the core portion is not melted, the bondability of at least one of the outer knitted fabric 20 and the inner knitted fabric 30 can be improved.

When the non-sewn upper portion 10 is knitted using the heat-sealed yarn and the non-heat-fused yarn, it is preferable to carry out plating knitting (joint yarn knitting). Plating knitting is one of the knitting means, and refers to a method of knitting the first yarn and the second yarn on the front and back using two knitting yarns. Generally, the ground thread appears on the front side and the splicing thread appears on the back side. For example, when at least one of the outer knitted fabric 20 and the inner knitted fabric 30 is knitted by performing plating knitting using a heat-fused yarn and a non-heat-fused yarn, the other side is on one side of the knitted fabric. The heat-sealed yarn can be exposed more than the surface, and the skeleton shape of the non-sewn upper portion 10 can be well maintained by the non-heat-bonded yarn.
For example, by using a heat-bonded yarn and a non-heat-bonded yarn and knitting so that a large amount of the heat-bonded yarn is exposed on the outer surface of the outer knitted fabric 20, the outer knitted fabric 20 and shoes such as the outsole 220 are knitted. When joining to an arbitrary member provided on the outer surface side of the 200, it is possible to enhance the adhesiveness between the two. Further, using a heat-fused yarn and a non-heat-fused yarn, knitting is performed so that a large amount of the heat-fused yarn is exposed on at least one facing surface S (see FIG. 2) of the outer knitted fabric 20 or the inner knitted fabric 30. Then, the outer knitted fabric 20 and the inner knitted fabric 30 can be satisfactorily joined by the heat treatment. Further, heat treatment is performed by using a heat-sealed yarn and a non-heat-fused yarn and knitting the inner side surface of the inner knitted fabric 30 (that is, the surface facing the user's foot) so that a large amount of the heat-sealed yarn is exposed. Therefore, it is possible to satisfactorily join the inner knitted fabric 30 and the insole 210. From the viewpoint of improving the bondability between the insole 210 and the inner knitted fabric 30, it is preferable that the heat-sealed yarn is arranged only on the inner side surface of the inner knitted fabric 30 and in the region facing the insole 210. .. This is to prevent the heat-sealed yarn cured by the heat treatment from coming into direct contact with the foot on the inner side surface of the shoe 200, and to maintain a good comfort. The facing surface S refers to a surface on which the outer knitted fabric 20 and the inner knitted fabric 30 face each other.

In the present embodiment in which the reinforcing member 40 is arranged between the outer knitted fabric 20 and the inner knitted fabric 30, heat-sealed yarn and non-heat-fused yarn are applied to at least one of the outer knitted fabric 20 and the inner knitted fabric 30. The exposed area of the heat-sealed yarn is larger than the exposed area of the non-heat-fused yarn on the facing surface S (see FIG. 2) in which the yarn is included and the outer knitted fabric 20 and the inner knitted fabric 30 face each other. It is preferable to adjust so as to be. As a result, as shown in FIG. 2, a fused portion 16 formed by fusing the outer knitted fabric 20 and the inner knitted fabric 30 is formed at least around the reinforcing member 40, and the reinforcing member 40 is arranged and fixed at a predetermined position. Because it is done. In other words, the reinforcing member 40 can be stably arranged at a predetermined position by forming the fused portion 16 formed by fusing the outer knitted fabric 20 and the inner knitted fabric 30 around the reinforcing member 40. ..

In the non-sewn upper portion 10 having the outer knitted fabric 20 and the inner knitted fabric 30, the reinforcing member 40 is directly or indirectly arranged between the outer knitted fabric 20 and the inner knitted fabric 30, and the reinforcing member 40 is visually visible from the appearance. It is important not to be done. Therefore, the present embodiment shows a double structure composed of the outer knitted fabric 20 and the inner knitted fabric 30, but as a modification omitted from the illustration, the non-sewn upper portion 10 is placed between the outer knitted fabric 20 and the inner knitted fabric 30. It has an arbitrary intermediate knitted fabric and has a multi-layer structure having a triple structure or more, and is between the outer knitted fabric 20 and the intermediate knitted fabric, or between the intermediate knitted fabric and the inner knitted fabric 30, or the first one. The reinforcing member 40 may be arranged between the intermediate knitted fabric and the second intermediate knitted fabric.

The outer knitted fabric 20 and the inner knitted fabric 30 may be knitted with the same yarn or may be knitted with different yarns. Alternatively, the yarn partially used in the outer knitted fabric 20 may be changed, and similarly, the yarn partially used in the inner knitted fabric 30 may be changed.

The non-sewn upper portion 10 includes a bottom surface portion 12 and a side surface portion 14 as shown in FIG. The bottom surface portion 12 is composed of an outer bottom surface portion 12A formed of the bottom surface portion of the outer knitted fabric 20 and an inner bottom surface portion 12B from the bottom surface portion of the inner knitted fabric 30. The side surface portion 14 is composed of an outer side surface portion 14A formed of a side surface portion of the outer knitted fabric 20 and an inner side surface portion 14B from the side surface portion of the inner knitted fabric 30. The reinforcing member 40 is arranged at least in a predetermined region between the outer side surface portion 14A and the inner side surface portion 14B. Although not shown, the reinforcing member 40 may extend from the side surface portion 14 to an appropriate position on the bottom surface portion 12.

An example of the manufacturing process of the shoe upper 100 in the present embodiment will be described below. First, a flat knitting machine is used to create a non-sewn upper portion 10 which is a bag-shaped knitted fabric in which an outer knitted fabric 20 and an inner knitted fabric 30 are continuous via a boundary 25 (see FIG. 3a). The outer knitted fabric 20 and the inner knitted fabric 30 are continuously and integrally formed by knitting means at the boundary 25. In the present embodiment, an opening 50 is formed in the outer bottom surface portion 12A of the outer knitted fabric 20. The opening 50 may be an opening designed and formed when the non-sewn upper portion 10 is knitted by a flat knitting machine (not shown), or a predetermined area of the bottom surface portion 14 after being knitted by the flat knitting machine. It may be an opening opened by cutting out.

Next, as shown in FIGS. 3a and 3b, the reinforcing member 40 is inserted into the inside of the non-sewn upper portion 10 through the opening 50. Then, the reinforcing member 40 inserted from the opening 50 is arranged at a desired position along the outer side surface portion 14A of the outer knitted fabric 20. After that, the inner knitted fabric 30 is inverted and folded back at the boundary 25, and the inner knitted fabric 30 is arranged along the inner side of the outer knitted fabric 20 to form the non-sewn upper portion 10. After that, a foot mold (not shown) is inserted into the non-sewn upper portion 10 as appropriate, and the foot mold (not shown) is heat-treated to form a shape suitable for the shoe 200 to form the shoe upper 100. At the same time as the heat treatment, the heat treatment for melting the heat-sealed yarn may be performed at the same time.

The process of producing the shoe upper 100 described above is merely an example, and does not limit the present invention in any way. For example, the reinforcing member 40 can be inserted through the opening 50 after the inner knitted fabric 30 is inverted to form a double structure along the inner side of the outer knitted fabric 20.

The area where the reinforcing member 40 is arranged in the non-sewn upper portion 10 is an arbitrary area that is desirable to be reinforced when used by the user. In the present embodiment, as the reinforcing member 40 in the non-sewn upper portion 10, the heel portion reinforcing member 40A arranged on the heel portion of the upper 100 is provided. In the shoe 200, the heel portion is one of the areas where the foot is likely to come into contact with the foot and a force is easily applied as the user walks or the like, and particularly needs to be reinforced. With the upper 100 of the present embodiment, the heel portion can be reinforced without limiting the appearance of the shoe 200 and maintaining a good comfort.

Further, as the reinforcing member 40, the toe portion reinforcing member 40B for reinforcing the toe portion may be arranged in combination with the heel portion reinforcing member 40A or instead of the heel portion reinforcing member 40A as shown in FIGS. Further, although not shown, an intermediate portion reinforcing member may be arranged in the intermediate portion between the heel portion and the toe portion.

The reinforcing member 40 is a member that is arranged at a predetermined position in the shoe 200 that requires reinforcement to protect the user's foot or maintain the shape of the shoe 200. The heel reinforcing member 40A includes a core material, a counter, or the like. Further, the toe portion reinforcing member 40B includes a core material, a toecap, a box toe and the like. The material constituting the reinforcing member 40 is not particularly limited, but for example, tanned leather, natural leather, leather board, pulp board, resin member, rubber, or the like is preferably selected.

In the non-sewn upper portion 10, a hot melt layer (not shown) is provided on at least a part of the outer circumference of the reinforcing member 40, and the reinforcing member 40 and the outer knitted fabric 20 or the inner knitted fabric 30 are provided via the hot melt layer. At least one of the above may be adhered. Thereby, the arrangement stability of the reinforcing member 40 arranged between the outer knitted fabric 20 and the inner knitted fabric 30 can be improved. The hot melt layer is a layer formed by applying a known hot melt member to the outer periphery of the reinforcing member 40, and is a layer made of a member that heat-melts at about the heat treatment temperature at the time of forming the shoe 200.

The opening 50 is formed at a position where it penetrates the bottom surface portion 12 of the non-sewn upper portion 10 in the vertical direction. Therefore, the end portion (outer edge) of the opening 50 is located on the bottom surface portion 12. Therefore, the end portion of the opening 50 does not come into contact with the side surface of the user's foot. Further, when the upper 100 provided with the non-sewn upper portion 10 is used for the shoe 200, the opening 50 is covered from the upper surface side by the insole 210, so that the end portion of the opening 50 may come into contact with the bottom surface of the user's foot. do not have.

In the present embodiment, the opening 50 is provided in the outer knitted fabric 20 (outer bottom surface portion 12A). Therefore, when the outer knitted fabric 20 and the inner knitted fabric 30 form a double structure, the opening 50 is covered with the inner bottom surface portion 12B of the inner knitted fabric 30. According to such a configuration, it is possible to reduce the feeling that the step 54 formed at the end of the opening 50 contacts the sole of the user's foot. Therefore, even when the insole 210 is thin, it is difficult for the user to feel a sense of discomfort when the sole of the foot comes into contact with the step 54. Further, in the shoe 200 of the type in which the insole 210 is repeatedly attached and detached, when the insole 210 is removed, the opening 50 is not exposed because it is covered with the inner bottom surface portion 12B. Therefore, when the insole 210 is removed and the shoes 200 are washed, there is no risk of problems such as the end of the opening 50 being turned over.
However, the present invention does not limit the formation position of the opening 50 formed in the bottom surface portion 12 to the outer bottom surface portion 12A. As another aspect, the present invention includes a mode in which an opening is provided in the inner bottom surface portion 12B, or a mode in which an opening is provided so as to continuously penetrate the outer bottom surface portion 12A and the inner bottom surface portion 12B in the vertical direction.

By the way, in the insole 210, the thickness of the heel portion is generally equal to or larger than the thickness of the other region. Therefore, the shoe 200 of the present embodiment in which the opening 50 is provided in the heel portion is advantageous in that it is difficult to transmit the feel of the opening 50 to the sole of the user's foot via the insole 210.

The area of the opening 50 is not particularly limited as long as the reinforcing member 40 can be inserted between the outer knitted fabric 20 and the inner knitted fabric 30. Note that the insertion of the reinforcing member 40 includes not only the case where the reinforcing member 40 is inserted without substantially deforming the contour of the opening 50, but also the case where the opening 50 is expanded and the reinforcing member 40 is inserted. From the viewpoint of ease of manufacture, the area of the opening 50 is preferably as small as possible within the range in which the protective member 40 can be inserted. The outer edge of the opening 50 provided in the knitted fabric tends to be curled in one direction, and in order to reduce the trouble of improving the curled outer edge to be in line with the outer shape of the shoe 200 during heat treatment during the formation of the shoe 200. Is. Further, the bottom surface portion 12 of the non-sewn upper portion 10 can be firmly sandwiched between the outsole 220 and the insole 210. As shown in FIG. 3a, the opening 50 in the present invention is provided not only in the hole including a predetermined area but also in at least one bottom surface of the outer knitted fabric 20 or the inner knitted fabric 30 within a range in which the reinforcing member 40 can be inserted. Including notches.

In the present embodiment, the shoe 200 has been described by taking the aspect of having the outsole 220 as an example, but the present invention includes the aspect of not providing the outsole 220. For example, when the outsole 220 is not provided, a covering portion (not shown) covering the opening 50 may be provided on at least a part of the outside of the bottom surface portion of the non-sewn upper portion 10.

<Second embodiment>
Hereinafter, the shoe upper 300 (hereinafter, also simply referred to as the upper 300), which is the second embodiment of the present invention, will be described with reference to FIG. FIG. 4a is a perspective view of the non-sewn upper portion 10 according to the second embodiment of the present invention, showing a state before the inner knitted fabric 30 is overlapped with the outer knitted fabric 20. FIG. 4b is an exploded view of the shoe upper 300 according to the second embodiment. In the second embodiment, an embodiment in which a part of the upper 300 is composed of a non-sewn upper portion 10 having a multi-layer structure will be described.

As shown in FIG. 4a, the non-sewn upper portion 10 in the present embodiment includes the heel portion on which the heel portion reinforcing member 40A is arranged, and is terminated at the intermediate portion of the upper 300 from the heel portion toward the toe. ing. The end of the outer knitted fabric 20 is open to form an outer open end 22, and the end of the inner knitted fabric 30 is open to form an inner open end 32. As shown in FIG. 4b, the upper 300 has a non-sewn upper portion 10 that constitutes a part of the upper 300, and an arbitrary part (toe part 120) that constitutes the other portion. The toe part 120 includes a toe portion in which the toe of the foot is accommodated, extends from the toe portion toward the heel, and terminates at an intermediate portion of the upper 300. The end is open and forms the toe part open end 122.

As shown in FIGS. 4a and 4b, the non-sewn upper portion 10 of the present embodiment is configured to have a double structure along the inside of the outer knitted fabric 20 by inverting the inner knitted fabric 30 and folding it back at the boundary 25. NS. In the double-structured non-sewn upper portion 10, the outer opening end 22 and the inner opening end 32 substantially overlap in the inner and outer directions to form the opening end 18 of the non-sewn upper portion 10. The shoe upper 300 is formed by sewing the opening end 18 and the toe part opening end 122. In this way, the shoe upper 300 provided with the partially sewn upper portion 10 including the heel portion has the reinforcing member 40 (heel portion reinforcing member 40A) in the non-sewn upper portion 10 without limiting the appearance of the shoe. ) Can be provided. In the shoe upper 300, the position of the opening end 18 in the front-rear direction can be appropriately adjusted in consideration of the design of the shoe or so as to be an area that is difficult to hit the side surface of the user's foot.

In the non-sewn upper portion 10 of the present embodiment, the outer knitted fabric 20 is provided with an opening 50, and the inner knitted fabric 30 is also provided with an opening 52. When the inner knitted fabric 30 is inverted and folded back at the boundary 25 along the inner side surface of the outer knitted fabric 20, the openings 50 and 52 overlap to form an opening 60 which is continuous in the vertical direction. According to the present embodiment provided with the opening 60 in the bottom surface portion 12 of the non-sewn upper portion 10, the reinforcing member 40 can be inserted from either the opening 50 or the opening 52. Further, when it is desired to arrange a thin-thickness shock absorbing member (not shown) on the heel of the shoe, the shock absorbing member can be arranged so as to penetrate the opening 60.

<Third Embodiment>
Hereinafter, the shoe upper 400 (hereinafter, also simply referred to as the upper 400), which is the third embodiment of the present invention, will be described with reference to FIG. In the third embodiment, an embodiment in which a part of the upper 400 is composed of a non-sewn upper portion 10 having a multi-layer structure will be described.
FIG. 5a is a perspective view of the non-sewn upper portion 10 according to the third embodiment of the present invention, showing a state before the inner knitted fabric 30 is overlapped with the outer knitted fabric 20. FIG. 5b is an exploded view of the shoe upper 400 according to the third embodiment.

As shown in FIG. 5a, the non-sewn upper portion 10 in the present embodiment includes the toe portion in which the toe portion reinforcing member 40B is arranged, and terminates at the intermediate portion of the upper 400 from the toe portion toward the heel. ing. The end of the outer knitted fabric 20 and the end of the inner knitted fabric 30 are knitted by a boundary 25, continuous, and closed. For example, in the non-sewn upper portion 10, the reinforcing member 40 (toe portion reinforcing member 40B) is inserted into the outer knitted fabric 20 from the opening 50, and the inner knitted fabric 30 is inverted and folded back at the boundary 25. The inner knitted fabric 30 is arranged inside the outer knitted fabric 20 to form a double structure.

As shown in FIG. 5b, the upper 400 includes a non-sewn upper portion 10 that constitutes a part of the upper 400, and an arbitrary part (heel part 130) that constitutes the other portion. The heel part 130 includes a heel portion in which the heel of the foot is housed, extends from the heel portion toward the toe direction, and terminates at an intermediate portion of the upper 400. The end is open and forms the heel part open end 132. The shoe upper 400 is configured by sewing the opening end 132 of the heel part and the boundary 25 of the non-sewn upper portion 10 described above.

The embodiment described above does not limit the present invention, and the design is appropriately changed and an arbitrary member is added to form the shoe upper or the shoe without departing from the spirit of the present invention. Can be done. For example, as the second embodiment and the third embodiment, a mode is shown in which a non-sewn upper forming a part of the shoe upper and an arbitrary member (heel part, toe part, etc.) are sewn together to form the shoe upper. rice field. In such an embodiment, the above-mentioned arbitrary member may be composed of one member, or may be integrally composed by sewing a plurality of parts or the like.

The above embodiment includes the following technical ideas.
(1) A non-sewn upper portion composed of a non-sewn knitted fabric and having a bottom surface portion and a side surface portion is provided at least in a part thereof.
The non-sewn upper portion has a multi-layer structure composed of a continuous outer knitted fabric and an inner knitted fabric by knitting means.
An opening into which the reinforcing member can be inserted is provided between the outer knitted fabric and the inner knitted fabric on the bottom surface portion of the non-sewn upper portion.
A shoe upper characterized in that the reinforcing member is arranged in a predetermined region between the outer knitted fabric and the inner knitted fabric on the side surface portion of the non-sewn upper portion.
(2) The shoe upper according to (1) above, wherein the reinforcing member includes a heel portion reinforcing member arranged on the heel portion of the shoe upper.
(3) The shoe upper according to (1) or 2 above, wherein at least one of the outer knitted fabric and the inner knitted fabric contains a heat-sealed yarn.
(4) At least one of the outer knitted fabric and the inner knitted fabric contains a heat-sealed yarn and a non-heat-fused yarn.
On the facing surfaces where the outer knitted fabric and the inner knitted fabric face each other, the exposed area of the heat-sealed yarn is larger than the exposed area of the non-heat-fused yarn.
The shoe according to any one of (1) to (3) above, wherein the outer knitted fabric and the inner knitted fabric are welded around the reinforcing member, and the reinforcing member is arranged and fixed at a predetermined position. upper.
(5) A hot melt layer is provided on at least a part of the outer circumference of the reinforcing member.
The shoe upper according to any one of (1) to (4) above, wherein at least one of the outer knitted fabric and the inner knitted fabric is adhered to the reinforcing member via the hot melt layer.
(6) The shoe upper according to any one of (1) to (5) above, wherein the entire circumference is formed by the non-sewn upper portion having the multi-layer structure.
(7) The shoe upper according to any one of (1) to (6) above, wherein the opening is provided in the outer knitted fabric.
(8) The shoe upper according to any one of (1) to (7) above, wherein the opening is provided in the heel portion.
(9) A shoe comprising the shoe upper and an insole according to any one of (1) to (8) above.

10 ・ ・ ・ Non-sewn upper part 12 ・ ・ ・ Bottom part 12A ・ ・ ・ Outer bottom part 12B ・ ・ ・ Inner bottom part 14 ・ ・ ・ Side part 14A ・ ・ ・ Outer side side part 14B ・ ・ ・ Inner side side part 16. Fused portion 18 ... Open end 20 ... Outer knitted fabric 22 ... Outer open end 25 ... Boundary 30 ... Inner knitted fabric 32 ... Inner open end 40 ... Reinforcing member 40A ... Heel reinforcement member 40B ... Toe reinforcement member 50, 52, 60 ... Opening 54 ... Step 100, 300, 400 ... Shoe upper 120 ... Toe part 122 ... Toe part opening end 130 ・ ・ ・ Heel part 132 ・ ・ ・ Heel part opening end 200 ・ ・ ・ Shoes 210 ・ ・ ・ Insole 220 ・ ・ ・ Outsole S ・ ・ ・ Opposing surface

Claims (6)

The entire circumference is composed of a non-sewn upper part that is composed of a non-sewn knitted fabric and has a bottom surface and a side surface.
The seamless upper part is a multilayer structure composed of the outer knitted fabric and an inner knitted fabric continuous with knitting means,
Insertable opening reinforcement member between the inner knitted fabric and the outer knitted fabric, with provided outside the bottom portion comprising a bottom surface of said outer knitted fabric of the seamless upper portion,
A shoe upper characterized in that the reinforcing member is arranged in a predetermined region between the outer knitted fabric and the inner knitted fabric on the side surface portion of the non-sewn upper portion. The shoe upper according to claim 1, wherein the reinforcing member includes a heel portion reinforcing member arranged on the heel portion of the shoe upper. The shoe upper according to claim 1 or 2, wherein at least one of the outer knitted fabric and the inner knitted fabric contains a heat-sealed yarn. At least one of the outer knitted fabric and the inner knitted fabric comprises a heat-sealed yarn and a non-heat-fused yarn.
On the facing surfaces where the outer knitted fabric and the inner knitted fabric face each other, the exposed area of the heat-sealed yarn is larger than the exposed area of the non-heat-fused yarn.
The shoe upper according to any one of claims 1 to 3, wherein the outer knitted fabric and the inner knitted fabric are welded around the reinforcing member, and the reinforcing member is arranged and fixed at a predetermined position. A hot melt layer is provided on at least a part of the outer circumference of the reinforcing member.
The shoe upper according to any one of claims 1 to 4, wherein at least one of the outer knitted fabric and the inner knitted fabric is adhered to the reinforcing member via the hot melt layer. A shoe comprising the shoe upper and an insole according to any one of claims 1 to 5.

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