JP6742687B2 - Breathable shoes - Google Patents
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Description
本発明は、通気性靴に関し、より詳細には、靴内部、特に甲皮の爪先付近や中底の土踏まず付近などの通気性を向上させた通気性靴に関する。 TECHNICAL FIELD The present invention relates to a breathable shoe, and more particularly to a breathable shoe having improved breathability inside the shoe, particularly near the toes of the upper and the instep of the insole.
靴を長時間に亘って履くと足の発汗により蒸れて靴内は高湿度の環境になり、雑菌や水虫菌が繁殖し、悪臭の原因となる。したがって、靴内での足蒸れを抑制するために通気性のある靴が求められており、これまでに様々な発明・考案が提案されている。 If the shoes are worn for a long time, the sweat of the feet causes them to become damp, resulting in a high-humidity environment in the shoes, which causes germs and athlete's foot bacteria to multiply and cause a bad odor. Therefore, a breathable shoe is required to suppress foot stuffiness in the shoe, and various inventions and inventions have been proposed so far.
例えば、特許文献１には、足裏面側に溜まった湿気を足側面に対応する部分から外部へ排出することができる通気性靴が提案されている。特許文献１に記載された通気性靴では、中底部材４は少なくとも３つのピースからなり、甲皮部材５を構成する一部で通気性部材６からなる中底より延出した部分の端面と通気性部材６と同じ材料で作製された中底の端面とを突き合わせて縫合することにより作製された中底部材４が備えられている（特許文献１段落［００４１］乃至［００４５］）。 For example, Patent Document 1 proposes a breathable shoe capable of discharging moisture accumulated on the back side of the foot to the outside from a portion corresponding to the side surface of the foot. In the breathable shoe described in Patent Document 1, the insole member 4 is composed of at least three pieces, and an end surface of a part of the upper member 5 extending from the insole composed of the breathable member 6 is formed. The insole member 4 is provided by making an end face of an insole made of the same material as the air-permeable member 6 in abutment with each other and stitching them (Patent Document 1, paragraphs [0041] to [0045]).
しかしながら、特許文献１に記載された通気性靴では、中底の内側端面又は外側端面と、甲皮部材５を構成する延出部分の端面とを縫製して成るため、多数のステッチが存在する。そのため空気が中底内部から延出部分を通って靴外部に抜けるという通気経路が阻害されてしまい、高い通気性を確保することが難しくなる。
したがって、特許文献１に記載された通気性靴には、中底内部から外部への通気性などについて改善の余地があった。
However, in the breathable shoe described in Patent Document 1, since the inner end surface or the outer end surface of the insole and the end surface of the extending portion forming the upper member 5 are sewn, a large number of stitches exist. .. As a result, the ventilation path through which air escapes from the inside of the insole to the outside of the shoe is obstructed, and it becomes difficult to ensure high air permeability.
Therefore, the breathable shoe described in Patent Document 1 has room for improvement in breathability from the inside of the insole to the outside.
そこで、本発明は、上記課題を解決するものであって、上記通気性靴における甲皮の上記延出部分と中底との縫合部分を無くし、靴内部の通気性などを向上させた通気性靴を提供することである。 Therefore, the present invention is to solve the above-mentioned problems, and eliminates the stitched portion between the extended portion and the insole of the upper in the breathable shoe, and improves the breathability inside the shoe. To provide shoes.
本発明者らは、上記通気性靴における甲皮の上記延出部分と中底との縫合部分を無くし、靴内部の通気性などを改善すべく鋭意検討した結果、長手方向で分割された中底部材を使用することにより、上述したようなステッチに起因する甲皮の上記延出部分と中底との縫合部分によって、空気が中底内部から延出部分を通って靴外部に抜けるという通気経路が阻害されるという問題を解消し、そして靴内部の通気性などを向上させることができることを見出し、本発明を完成させた。 The present inventors have diligently studied to improve the breathability inside the shoe by eliminating the stitched portion between the extended portion of the upper and the insole of the breathable shoe, and as a result, it was divided in the longitudinal direction. By using the bottom member, the stitching portion between the above-mentioned extended portion of the upper and the insole caused by the stitch as described above causes air to escape from the inside of the insole to the outside of the shoe through the extended portion. The present invention has been completed by finding that the problem that the route is obstructed can be solved and that the air permeability and the like inside the shoe can be improved.
即ち、本発明は、
（１）甲皮部材と中底部材とを含む靴主部に、靴底を接合した通気性靴において、
甲皮部材は少なくともヒトの第一中足骨骨頭を被覆する内側部分及び少なくともヒトの第五中足骨骨頭を被覆する外側部分とが切り欠き部分となっている形状を有するものであり、
中底部材は通気性部材であり、長手方向で分割された内側片と外側片とで形成され、
前記内側片の中底内側縁より外方に、及び前記外側片の外側縁より外方に前記切り欠き部分に相当する部分をそれぞれ延出して形成する形状を為すものであり、
前記通気性部材は、中間層の両面に表皮層が設けられたシート構造であり、中間層は厚さ、幅及び長さ方向に通気経路を有し、表皮層は少なくとも厚さ方向に通気性を有するものであり、
そして、
甲皮部材の前記切り欠き部分と中底部材の当該切り欠き部分に相当する部分、及び前記内側片と外側片とが各々縫合されて、甲皮部材と中底部材とが結合されていることを特徴とする、通気性靴、
（２）前記通気性部材は、表地と裏地とを連結糸で結んだダブルラッセル構造部材であり、表地および裏地が表皮層をなし、表地と裏地が連結糸で結ばれた部分が中間層をなすことを特徴とする、（１）に記載の通気性靴、
である。
That is, the present invention is
(1) In a breathable shoe having a shoe sole joined to a shoe main part including an upper member and an insole member,
Instep member is one having a shape that is the inner portion and at least the outer portion and the notched portion covering the fifth metatarsal bone head human covering the first metatarsal bone head of at least human,
The insole member is a breathable member, and is formed of an inner piece and an outer piece divided in the longitudinal direction,
The inner piece is formed in a shape that extends outward from the inner bottom inner edge, and extends outward from the outer edge of the outer piece, each portion corresponding to the cutout portion.
The breathable member is a sheet structure in which a skin layer is provided on both sides of the intermediate layer, the intermediate layer has a ventilation path in the thickness, width and length directions, the skin layer is breathable at least in the thickness direction. With
And
The cutout portion of the upper member and the portion corresponding to the cutout portion of the insole member, and the inner piece and the outer piece are sewn together, and the upper member and the insole member are joined together. Breathable shoes,
(2) the air-permeable member is Ri double raschel structural member der that connecting the outer material and lining in connecting yarn, without the skin layer outer material and lining, the portion Outer and lining are connected by connecting yarns intermediate layer wherein the forming a breathable shoe according to (1),
Is.
本発明の通気性靴は、内側片と外側片の２ピースからなる中底部材を使用することにより、従来の中底部材を使用した通気性靴と比べて、靴内部などの通気性などを向上させることができる。 The breathable shoe of the present invention uses the insole member consisting of two pieces, the inner piece and the outer piece, so that the breathability of the inside of the shoe is improved as compared with the breathable shoe using the conventional insole member. Can be improved.
本発明の通気性靴は、例えば図１に示すように、基本的に甲皮部材１と中底部材２とを含む靴主部３に、靴底４を接合した構造を有する。 The breathable shoe of the present invention basically has a structure in which a shoe sole 4 is joined to a shoe main portion 3 including an upper member 1 and an insole member 2, as shown in FIG. 1, for example.
まず初めに、本発明に使用される甲皮部材１について説明する。
本発明に使用される甲皮部材１の形状は、一般的な靴の甲皮部材において、少なくともヒトの第一中足骨骨頭を被覆する内側部分及び／又は少なくともヒトの第五中足骨骨頭を被覆する外側部分とが切り欠き部分５ａ，５ｂとなっている形状である。したがって、当該切り欠き部分５ａ，５ｂを有する形状であれば、基本的に甲皮部材１のその他の部分の形状は特に限定されない。
First, the upper member 1 used in the present invention will be described.
The shape of the upper member 1 used in the present invention is, in the upper member of a general shoe, an inner portion that covers at least the human first metatarsal head and/or at least the fifth human metatarsal head. The outer portion that covers is a shape in which the cutout portions 5a and 5b are formed. Therefore, basically, the shape of the other parts of the upper member 1 is not particularly limited as long as it has the cutout portions 5a and 5b.
また、本発明では、甲皮部材１は上記切り欠き部分５ａ，５ｂを有する形状であれば、甲皮部材１は一体的に形成されている必要はなく、例えば、紐靴の穴飾りを備えた甲皮部材やかかと部分にファスナーを備えた甲皮部材なども使用することができる。 Further, in the present invention, if the upper member 1 has a shape having the cutout portions 5a and 5b, the upper member 1 does not need to be integrally formed, and for example, a hole shoe ornament is provided. It is also possible to use an instep member or an instep member having a fastener on the heel.
そして、上記切り欠き部分５ａ，５ｂの形状としては、甲皮部材１と中底部材２との縫合作業などに影響しなければ特に限定されず、例えば、略長方形形状、略台形形状及び略ひし形形状、並びに翼型形状やプロペラ形状などの流線形状などが挙げられる。なお、図２に甲皮部材１の一例を示す。 The shape of the cutout portions 5a and 5b is not particularly limited as long as it does not affect the stitching work between the upper member 1 and the insole member 2, and for example, the substantially rectangular shape, the substantially trapezoidal shape, and the substantially rhombus shape. Examples of the shape include streamlined shapes such as a blade shape and a propeller shape. Note that FIG. 2 shows an example of the upper member 1.
本発明では、甲皮部材１を上記のような形状とすることにより、上記切り欠き部分５ａ，５ｂと結合した中底部材２を通じて靴内部の湿気を外部に排出することができる。 In the present invention, the upper member 1 having the above-described shape allows moisture inside the shoe to be discharged to the outside through the insole member 2 coupled to the cutout portions 5a and 5b.
ここで、上記切り欠き部分５ａ，５ｂを甲皮部材１の爪先付近ではなく、甲皮部材１のかかと付近に設けることも考えられる。しかし、靴内部で、特に湿気が一段と溜まる部分は甲皮の爪先付近や中底の土踏まず付近であり、また、靴を履いた状態であっても、足と靴のかかと部分との間の通気経路は確保されることから、上記切り欠き部分５ａ，５ｂは甲皮の爪先付近に設けた方が靴内部全体の湿気を外部に排出することができる。 Here, it is conceivable that the cutout portions 5a and 5b are provided near the heel of the upper member 1 instead of near the toes of the upper member 1. However, inside the shoe, especially the part where moisture further accumulates is near the toe of the instep or the arch of the insole, and even when the shoe is worn, there is ventilation between the foot and the heel of the shoe. Since the path is secured, it is possible to discharge moisture of the entire inside of the shoe to the outside by providing the cutout portions 5a and 5b near the toes of the instep.
一方、上記切り欠き部分５ａ，５ｂを甲皮の爪先付近とかかと付近の両方に設けることも考えられるが、そのような場合、靴としての高い保型性を維持するのが難しかったり、履いた際の足当たり（靴の履き心地）が良くない可能性がある。 On the other hand, it is conceivable to provide the cutout portions 5a and 5b both near the toes of the upper and near the heel, but in such a case, it is difficult to maintain a high shape retention property as a shoe, and it is worn. There is a possibility that the foot contact (wearing comfort of shoes) is not good.
また、甲皮部材１を構成する部材としては特に限定されず、例えば、生地、天然皮革、合成皮革、人工皮革、布材、合成繊維及びそれらの組み合わせなどが挙げられる。 The member forming the upper member 1 is not particularly limited, and examples thereof include cloth, natural leather, synthetic leather, artificial leather, cloth material, synthetic fiber, and combinations thereof.
次に、本発明に使用される中底部材２について説明する。
本発明に使用される中底部材２は、長手方向で分割された内側片２Ｉと外側片２ＩＩとで形成され、またその形状は、甲皮部材１と結合した際に、甲皮部材１の上記切り欠き部分５ａ，５ｂを塞いだ靴主部３を作製するために、中底の両側又は片側に当該切り欠き部分５ａ，５ｂを塞ぐための部分を有する形状である必要があり、具体的には、内側片２Ｉの中底内側縁ｉより外方に、及び／又は外側片２ＩＩの外側縁ｊより外方に甲皮部材１の切り欠き部分に相当する部分２ａ，２ｂをそれぞれ延出して形成する形状（以下、延出部分とも記載する）を為すものである。
Next, the insole member 2 used in the present invention will be described.
The insole member 2 used in the present invention is formed of an inner piece 2I and an outer piece 2II that are divided in the longitudinal direction, and the shape thereof is that of the upper member 1 when combined with the upper member 1. In order to manufacture the shoe main portion 3 that covers the cutout portions 5a and 5b, the shape needs to have a portion for closing the cutout portions 5a and 5b on both sides or one side of the insole. The portions 2a and 2b corresponding to the cutout portions of the upper member 1 respectively extend outward from the inner bottom inner edge i of the inner piece 2I and/or outward from the outer edge j of the outer piece 2II. To form a shape (hereinafter, also referred to as an extended portion).
中底部材２を形成する内側片２Ｉ，外側片２ＩＩの延出部分２ａ，２ｂの形状としては、甲皮部材１と中底部材２Ｉ，２ＩＩとを結合して靴主部３を形成した際に、甲皮部材１の切り欠き部分全体を延出部分２ａ，２ｂで塞ぐことができれば特に限定されず、例えば、上述したように、甲皮部材１の切り欠き部分５ａ，５ｂの形状と同様の形状を挙げることができる。なお、図３に中底部材２を形成する内側片２Ｉ，外側片２ＩＩの一例を示す。 The shape of the extending portions 2a and 2b of the inner piece 2I and the outer piece 2II that form the insole member 2 is such that when the upper member 1 and the insole members 2I and 2II are combined to form the shoe main portion 3. In particular, the cutout portion of the upper member 1 is not particularly limited as long as it can be closed with the extending portions 2a and 2b. For example, as described above, the shape of the cutout portions 5a and 5b of the upper member 1 is the same. The shape of can be mentioned. Note that FIG. 3 shows an example of the inner piece 2I and the outer piece 2II that form the insole member 2.
また、内側片２Ｉ，外側片２ＩＩの延出部分２ａ，２ｂの幅は、延出部分２ａ，２ｂの頂点から中底の内側縁ｉ、外側縁ｊに垂直に引いた線の長さをいう。なお、図３に中底部材２の延出部分２ａ，２ｂの幅Ｙの一例を示す。
中底部材の延出部分２ａ，２ｂの幅Ｙは、足裏面の湿気を十分に排出する観点から、靴として成型した場合、中底から甲皮方向へ１０ｍｍ以上突出することが好ましい。
The width of the extending portions 2a and 2b of the inner piece 2I and the outer piece 2II is the length of a line drawn perpendicularly from the apex of the extending portions 2a and 2b to the inner edge i and the outer edge j of the insole. .. Note that FIG. 3 shows an example of the width Y of the extending portions 2a and 2b of the insole member 2.
The width Y of the extending portions 2a and 2b of the insole member is preferably 10 mm or more protruding from the insole in the instep direction from the insole when molded as a shoe from the viewpoint of sufficiently discharging moisture on the sole surface.
本発明では、中底部材２は長手方向で分割された内側片２Ｉと外側片２ＩＩとで形成され、図４に示すように、当該内側片Ｉと外側片ＩＩとは、中底の長手方向に沿うように縫合されている。なお、内側片２Ｉと外側片２ＩＩとの分割箇所は、中底を長手方向に２分割できればよく、例えば、図４に示すように略中央部であってもよい。
この構造によれば、中底と甲皮との境（内側縁ｉ，外側縁ｊ）にステッチがなく、空気が中底から延出部分を通って靴外部に抜けるという通気経路を阻害しない。そのため、本発明の通気性靴は、従来の通気性靴と比較して、靴内部の通気性などを向上させることができる。また、歩行時にかかる負荷、特に土踏まず付近にかかる負荷に対して耐久性がある。
In the present invention, the insole member 2 is formed of an inner piece 2I and an outer piece 2II divided in the longitudinal direction, and as shown in FIG. 4, the inner piece I and the outer piece II are in the longitudinal direction of the insole. It is sewn along with. Note that the inner piece 2I and the outer piece 2II may be divided into two portions as long as the insole can be divided in the longitudinal direction, and may be, for example, a substantially central portion as shown in FIG.
According to this structure, there is no stitch at the boundary (inner edge i, outer edge j) between the insole and the instep, and air is not obstructed from the insole through the extended portion to the outside of the shoe. Therefore, the breathable shoe of the present invention can improve the breathability and the like inside the shoe as compared with the conventional breathable shoe. Further, it is durable against a load applied while walking, particularly a load applied near the arch.
また、中底部材２を構成する部材としては、例えば、パルプ材、生地、発泡エチレン−酢酸ビニル共重合体（ＥＶＡ）などが挙げられるが、通気性を十分に確保する観点から、通気性部材６が好ましい。 Further, examples of the member forming the insole member 2 include pulp material, cloth, foamed ethylene-vinyl acetate copolymer (EVA), and the like, but from the viewpoint of ensuring sufficient air permeability, the air permeable member. 6 is preferred.
ここで、通気性部材６とは、例えば、中間層６３の両面に表皮層６１、６２が設けられた構造のシートであって、中間層６３は厚さ、幅及び長さ方向に通気経路を有し、これにより、通気性を有する層であり、表皮層６１、６２は少なくとも厚さ方向に通気性を有する層である。なお、図５に通気性部材６の一例を示す。 Here, the breathable member 6 is, for example, a sheet having a structure in which the skin layers 61 and 62 are provided on both surfaces of the intermediate layer 63, and the intermediate layer 63 has ventilation paths in the thickness, width, and length directions. By this, it is a layer having air permeability, and the skin layers 61, 62 are layers having air permeability at least in the thickness direction. Note that FIG. 5 shows an example of the breathable member 6.
通気性部材６としては、表地７１と裏地７２とを連結糸７３で結んだダブルラッセル構造部材が好ましく、また、三次元網目構造を有するポリウレタンフォームの裁断シート８３の両面に布地８１、８２を積層したシートも良好に使用できる。また、ポリウレタンフォームの裁断シートの部分を合成樹脂ワタなどの繊維材９３に代えたものでもよい。ポリウレタンフォームを使用する際には爆発法等によりセル膜の除去処理したものが好ましい。中間層６３の気孔容積は、通気経路の通気性を高めるために、ＪＩＳ−Ｌ１０９６に準拠した値で９０％乃至９９％であることが好ましい。 The breathable member 6 is preferably a double Russell structure member in which a front cloth 71 and a lining 72 are connected by a connecting thread 73, and fabrics 81 and 82 are laminated on both sides of a polyurethane foam cutting sheet 83 having a three-dimensional mesh structure. The prepared sheet can also be used satisfactorily. Further, the cutting sheet portion of polyurethane foam may be replaced with a fiber material 93 such as synthetic resin cotton. When polyurethane foam is used, it is preferable that the cell membrane is removed by an explosion method or the like. The pore volume of the mid layer 63 is preferably 90% to 99% in accordance with JIS-L1096 in order to enhance the air permeability of the air passage.
表皮層６１の構造としては、足裏面の湿気を通気性部材の内部に取り入れやすくし、また足側面に対応する部分から外部へ排出しやすくするために、表皮層６１、６２は網目構造を有するものが好ましい。表皮層６１、６２としては、通気性が、ＪＩＳ−Ｌ１０９６に規定する通気性（フラジール形法）で１００〜１０００ｃｍ３／ｃｍ２・Ｓのものが好適に使用できる。 As the structure of the skin layer 61, the skin layers 61 and 62 have a mesh structure so that moisture on the bottom of the foot can be easily taken into the breathable member and discharged from the portion corresponding to the side surface of the foot to the outside. Those are preferable. As the skin layers 61 and 62, those having an air permeability of 100 to 1000 cm 3 /cm 2 ·S according to JIS-L1096 (Flagille type method) can be preferably used.
中底部材２の厚さは特に限定されるものではないが、良好な通気経路を形成するためにダブルラッセル布の場合は、連結糸で結んでいる表地６１と裏地６２の内面間の距離が０．５ｍｍ乃至５．０ｍｍとされたものが好ましく、ポリウレタンフォームの裁断シートや繊維材の両面に布地を積層したシートの場合においては、裁断シートや繊維材の厚さが０．５ｍｍ乃至５．０ｍｍとされたものが好ましい。内面間の距離や裁断シート等の厚さが０．５ｍｍ未満であると湿気が十分に排出されない可能性があり、５．０ｍｍを超えても湿気の排出の向上は見られず、材料のコスト高になる。また、本発明では、通気性部材を二枚重ねして使用することもできる。 The thickness of the insole member 2 is not particularly limited, but in the case of a double Russell cloth in order to form a good ventilation path, the distance between the inner surface of the outer material 61 and the inner surface of the lining material 62 which are connected by the connecting thread is The thickness is preferably 0.5 mm to 5.0 mm, and in the case of a polyurethane foam cutting sheet or a sheet in which a fabric is laminated on both sides of a fiber material, the thickness of the cutting sheet or the fiber material is 0.5 mm to 5. It is preferably set to 0 mm. If the distance between the inner surfaces or the thickness of the cutting sheet etc. is less than 0.5 mm, moisture may not be discharged sufficiently, and even if it exceeds 5.0 mm, the improvement of moisture discharge is not seen, and the material cost is reduced. Get high Further, in the present invention, two breathable members may be used in a stacked state.
最後に本発明に使用される靴底４について説明する。
本発明において、靴底４を構成する材料としては特に限定されるものではないが、例えば、エチレン−酢酸ビニル共重合体（ＥＶＡ）、軟質ポリ塩化ビニル、ポリウレタン、ゴムなどの非発泡又は発泡材料が好適に用いることができる。
Finally, the shoe sole 4 used in the present invention will be described.
In the present invention, the material constituting the shoe sole 4 is not particularly limited, but, for example, a non-foamed or foamed material such as ethylene-vinyl acetate copolymer (EVA), soft polyvinyl chloride, polyurethane or rubber. Can be preferably used.
次に、本発明の通気性靴の製造について説明する。本発明の通気性靴は、基本的に上記の甲皮部材１と中底部材２とを結合して靴主部３を作製し、これに靴底４を接合することにより製造される。その一例を次に説明する。甲皮部材１として、少なくともヒトの第一中足骨骨頭を被覆する内側部分及び／又は少なくともヒトの第五中足骨骨頭を被覆する外側部分とが切り欠き部分５ａ，５ｂを有し、当該切り欠き部分５ａ，５ｂが略ひし形形状であるものを用意する（例えば、図２参照）。また、中底部材２として、長手方向で分割された内側片２Ｉと外側片２ＩＩであって、内側片２Ｉの中底内側縁ｉより外方に、及び／又は外側片２ＩＩの外側縁ｊより外方に延出部分２ａ，２ｂを有し、当該延出部分２ａ，２ｂが略ひし形形状であって、通気性部材６から構成されたものを用意する（例えば、図３参照）。そして、例えば、手縫い、ミシンを用いた縫製や接着剤を用いた接合などにより、甲皮部材１の切り欠き部分５ａ，５ｂの端面と中底部材２の延出部分２ａ，２ｂの端面とを縫合する。また、甲皮部材１の切り欠き部分５ａ，５ｂ以外の部分の端面と中底部材２の延出部分２ａ，２ｂ以外の部分の端面とを同様に縫合し、次いで、内側片Ｉと外側片ＩＩとを縫合し、靴主部３を形成する（例えば、図４参照）。 Next, production of the breathable shoe of the present invention will be described. The breathable shoe of the present invention is basically manufactured by joining the above-mentioned upper member 1 and the insole member 2 to produce the shoe main portion 3 and joining the shoe sole 4 thereto. An example will be described below. As the upper member 1, at least a medial part covering the first metatarsal head of a human and/or an outer part covering at least the fifth metatarsal head of a human has notched parts 5a, 5b, The cutout portions 5a and 5b having a substantially rhombic shape are prepared (see, for example, FIG. 2). Further, as the insole member 2, there are an inner piece 2I and an outer piece 2II divided in the longitudinal direction, which are outward from the inner bottom inner edge i of the inner piece 2I and/or from the outer edge j of the outer piece 2II. Prepare the thing which has the extending parts 2a and 2b on the outside, and the extending parts 2a and 2b concerned are substantially rhombus shape, and were comprised from the air permeable member 6 (for example, refer FIG. 3). Then, for example, the end faces of the cutout portions 5a and 5b of the upper member 1 and the end portions of the extending portions 2a and 2b of the insole member 2 are sewn by hand, sewing using a sewing machine or joining using an adhesive. Suture. Similarly, the end faces of the upper member 1 other than the cutout portions 5a, 5b and the end faces of the middle bottom member 2 other than the extending portions 2a, 2b are sewn in the same manner, and then the inner piece I and the outer piece I are sewn together. II is sewn together to form the shoe main portion 3 (see, for example, FIG. 4 ).
ここで、甲皮部材１と中底部材２とを結合する際に、中底部材２が、長手方向で分割された内側片２Ｉと外側片２ＩＩとで形成されているため、中底部材２と甲皮部材１との結合作業が容易になって、作業効率を上げることができる。具体的には、甲皮部材１と内側片２Ｉ，外側片２ＩＩの延長部分２ａ，２ｂとをそれぞれ縫合した後、内側片２Ｉと外側片２ＩＩとを縫合すればよく、本発明に使用されるような複雑な形状の中底部材２であっても、容易に甲皮部材１と縫合することができる。内側片２Ｉと外側片２ＩＩとの縫合部は、長手方向に略直線的に設けても良いが、足の土踏まず部分の形状にフィットし、シワが発生しないようにするため、幅方向に切り込み部分７を有するものが好ましい。 Here, when the upper member 1 and the insole member 2 are coupled, the insole member 2 is formed of an inner piece 2I and an outer piece 2II that are divided in the longitudinal direction. The work of connecting the upper member and the upper member 1 is facilitated, and the work efficiency can be improved. Specifically, after the upper member 1 is sewn to the inner piece 2I and the extended portions 2a and 2b of the outer piece 2II, respectively, the inner piece 2I and the outer piece 2II may be sewn, which is used in the present invention. Even the insole member 2 having such a complicated shape can be easily sewn to the upper member 1. The sewn portion of the inner piece 2I and the outer piece 2II may be provided substantially linearly in the longitudinal direction, but in order to fit the shape of the arch of the foot and prevent wrinkles, the cut portion in the width direction Those having 7 are preferred.
なお、甲皮部材１と中底部材２とは、中底部材２に皺が生じないように縫合することが好ましい。皺が生じてしまうと中底内部から延出部分を通って靴外部に抜けるという通気経路が阻害され、通気性を十分に確保することができなくなる可能性がある。また、甲皮部材１の切り欠き部分５ａ，５ｂの端面と中底部材２の延出部分２ａ，２ｂの端面とを縫合する手段と、甲皮部材１の切り欠き部分５ａ，５ｂ以外の部分の端面と中底部材２の延出部分２ａ，２ｂ以外の部分の端面とを縫合する手段としては、同一であっても異なっていてもよい。 The upper member 1 and the insole member 2 are preferably sewn together so that wrinkles do not occur in the insole member 2. If wrinkles are generated, the ventilation path of passing through the extended portion from the inside of the insole to the outside of the shoe is obstructed, and it is possible that sufficient ventilation cannot be ensured. Further, means for sewing the end surfaces of the cutout portions 5a, 5b of the upper member 1 and the end surfaces of the extended portions 2a, 2b of the insole member 2, and the portions other than the cutout portions 5a, 5b of the upper member 1 The means for stitching the end surface of 1 and the end surface of the portion other than the extending portions 2a and 2b of the insole member 2 may be the same or different.
最後に、靴底４を射出成形により、上記で得られた靴主部３とともに一体成形するか、又は予め形成された靴底４を上記で得られた靴主部３に接着剤により接合することにより、本発明の通気性靴が完成する。 Finally, the shoe sole 4 is integrally molded with the shoe main portion 3 obtained above by injection molding, or the preformed shoe sole 4 is bonded to the shoe main portion 3 obtained above with an adhesive. As a result, the breathable shoe of the present invention is completed.
上記の製造方法により作製された本発明の通気性靴１０の一例を図１に示す。
本発明の通気性靴は、通気性のある中敷きを使用することが好ましい。
そのような中敷きとしては、例えば、ウレタンフォームやＥＶＡフォームなど樹脂発泡体であって、多数の貫通孔を設けたもの、表面に凹凸を形成し、空気を通りやすくしたもの、或いはその両方を備えた中敷きが挙げられる。
An example of the breathable shoe 10 of the present invention manufactured by the above manufacturing method is shown in FIG.
The breathable shoe of the present invention preferably uses a breathable insole.
Such an insole is, for example, a resin foam such as urethane foam or EVA foam, which is provided with a large number of through holes, is provided with unevenness on the surface to facilitate passage of air, or both. An example of this is the insole.
以下に実施例及び比較例に基づいて本発明をより詳細に説明するが、本発明はこれら実施例に限定されるものでない。 Hereinafter, the present invention will be described in more detail based on Examples and Comparative Examples, but the present invention is not limited to these Examples.
［実施例１：通気性靴の製造］
甲皮部材１として、第一中足骨骨頭を被覆する内側部分と第五中足骨骨頭を被覆する外側部分とが切り欠き部分５ａ，５ｂが略ひし形形状となっており、かつポリ塩化ビニル（ＰＶＣ）レザー及びダブルラッセルで構成されているものを用意した。また、中底部材２として、中底の内側縁より外方にまた外側縁より外方に略ひし形形状である延出部分２ａ，２ｂを有する内側片２Ｉ及び外側片２ＩＩであって、且つダブルラッセルで構成されているものを用意した。次に中底部材２の上記部分２ａ，２ｂに皺が生じないように、甲皮部材１の上記切り欠き部分５ａ，５ｂと内側片２Ｉ及び外側片２ＩＩの上記部分２ａ，２ｂとをミシンを用いて縫製した。同様に、甲皮部材１の上記切り欠き部分５ａ，５ｂ以外の部分と中底部材２の上記部分２ａ，２ｂ以外の部分を縫製し、最後に内側片２Ｉと外側片２ＩＩとを縫合し、靴本体主部３を作製した。
[Example 1: Production of breathable shoes]
As the upper member 1, notched portions 5a and 5b of a medial portion covering the first metatarsal head and an outer portion covering the fifth metatarsal head have a substantially rhombic shape, and polyvinyl chloride (PVC) leather and double russell were used. In addition, as the insole member 2, there are an inner piece 2I and an outer piece 2II having extending portions 2a and 2b having a substantially rhombic shape outward from an inner edge of the insole and outward from an outer edge, and the double piece is a double piece. I prepared one that is made of Russell. Next, in order to prevent wrinkles from being generated in the portions 2a, 2b of the insole member 2, the notch portions 5a, 5b of the upper member 1 and the portions 2a, 2b of the inner piece 2I and the outer piece 2II are machined with a sewing machine. Used and sewn. Similarly, a portion other than the cutout portions 5a and 5b of the upper member 1 and a portion other than the portions 2a and 2b of the insole member 2 are sewn, and finally the inner piece 2I and the outer piece 2II are sewn, The main body 3 of the shoe body was produced.
次に、上記で得られた靴主部３を足型ラストに装着し、そして予め形成された靴底４を接着して、図１に示すような構造の通気性靴１０を得た。 Next, the shoe main part 3 obtained as described above was attached to the last of the toe, and the preformed shoe sole 4 was adhered to obtain the breathable shoe 10 having the structure shown in FIG.
［実施例２：通気性靴の湿度測定］
実施例１で得られた通気性靴内に湿度センサーＭＳＨＴＤＬ−１６［（有）シスコム製］を設置し、歩行時の靴内の湿度を測定した。
なお、湿度測定における各条件は下記の通りである。
[Example 2: Humidity measurement of breathable shoes]
The humidity sensor MSHTDL-16 [manufactured by Cisco Systems Inc.] was installed in the breathable shoe obtained in Example 1, and the humidity in the shoe during walking was measured.
The conditions for humidity measurement are as follows.
［外気］
２０℃、６０％ＲＨ
[Outside air]
20°C, 60%RH
［歩行条件］
トレッドミル（アルインコ株式会社製、ＡＦＷ３１０９）を使用し、速さ４ｋｍ／時間で３０分間歩行した。なお、歩行中は風速２．５ｍ／秒の風を扇風機（弱）で靴に向けてあてた。この風速は、東京都における平均風速の月平均値（２００８年〜２０１３年６月付近、気象庁発行）と同じレベルである。
[Walking condition]
A treadmill (manufactured by Alinco Co., Ltd., AFW3109) was used to walk for 30 minutes at a speed of 4 km/hour. During walking, a wind of 2.5 m/sec was applied to the shoes with a fan (weak). This wind speed is at the same level as the monthly average value of the average wind speed in Tokyo (near 2008 to June 2013, issued by the Japan Meteorological Agency).
［サンプルサイズ］
２６．０ｃｍ
[sample size]
26.0 cm
［センサー設置箇所］
甲皮部材の爪先付近、中底部材の土踏まず付近
[Sensor location]
Near the toe of the upper member, near the arch of the insole member
また、中底部材２として、３つのパーツから構成される中底部材を用いた以外は、実施例１と同様の方法で作製した靴を比較例として用いた。
なお、湿度測定の結果を図５及び図６に示す。
In addition, a shoe manufactured by the same method as in Example 1 was used as a comparative example, except that an insole member composed of three parts was used as the insole member 2.
The results of humidity measurement are shown in FIGS. 5 and 6.
図６及び図７の結果より、実施例１の通気性靴は、比較例の靴と比較して、甲皮の爪先付近で約２１％の湿度低下、また中底の土踏まず付近で約１６％の湿度低下が確認できた。また、体感としても、熱のこもり具合が少なくて、爪先が涼しいと感じられた。 From the results of FIGS. 6 and 7, the breathable shoe of Example 1 has a humidity decrease of about 21% in the vicinity of the toes of the instep and about 16% in the vicinity of the arch of the insole, as compared with the shoe of the Comparative Example. It was confirmed that the humidity decreased. Also, as for the feeling, the toes were cool and the toes were cool.
１・・・甲皮部材
２・・・中底部材
２Ｉ・・・内側片
２ａ・・・延出部分
２ｃ・・・中底部分
２ＩＩ・・・外側片
２ｂ・・・延出部分
２ｄ・・・中底部分
３・・・靴主部
４・・・靴底
５・・・甲皮部材の切り欠き部分
５ａ・・・甲皮部材の切り欠き部分
５ｂ・・・甲皮部材の切り欠き部分
６・・・通気性部材
６１・・・表皮層
６２・・・表皮層
６３・・・中間層
７１・・・表地
７２・・・裏地
７３・・・連結糸
８１・・・布地
８２・・・布地
８３・・・ポリウレタンフォームの裁断シート
９３・・・繊維材
７・・・切り込み部分
１０・・・通気性靴
Ｙ・・・延出部分の幅
DESCRIPTION OF SYMBOLS 1... Upper member 2... Midsole member 2I... Inner piece 2a... Extension part 2c... Mid bottom part 2II... Outer piece 2b... Extension part 2d...・Insole part 3・・・Shoe main part 4・・・Shoe sole 5・・・Notched part of upper member 5a・・・Notched part of upper member 5b・・・Notched part of upper member 6... Breathable member 61... Skin layer 62... Skin layer 63... Intermediate layer 71... Outer fabric 72... Lining 73... Connecting yarn 81... Cloth 82... Fabric 83: Polyurethane foam cutting sheet 93: Fiber material 7: Cut portion 10: Breathable shoe Y: Width of extended portion
Claims (2)
甲皮部材は少なくともヒトの第一中足骨骨頭を被覆する内側部分及び少なくともヒトの第五中足骨骨頭を被覆する外側部分とが切り欠き部分となっている形状を有するものであり、
中底部材は通気性部材であり、長手方向で分割された内側片と外側片とで形成され、
前記内側片の中底内側縁より外方に、及び前記外側片の外側縁より外方に前記切り欠き部分に相当する部分をそれぞれ延出して形成する形状を為すものであり、
前記通気性部材は、中間層の両面に表皮層が設けられたシート構造であり、中間層は厚さ、幅及び長さ方向に通気経路を有し、表皮層は少なくとも厚さ方向に通気性を有するものであり、
そして、
甲皮部材の前記切り欠き部分と中底部材の当該切り欠き部分に相当する部分、及び前記内側片と外側片とが各々縫合されて、甲皮部材と中底部材とが結合されていることを特徴とする、通気性靴。 A breathable shoe having a shoe sole joined to a shoe main part including an upper member and an insole member,
Instep member is one having a shape that is the inner portion and at least the outer portion and the notched portion covering the fifth metatarsal bone head human covering the first metatarsal bone head of at least human,
The insole member is a breathable member, and is formed of an inner piece and an outer piece divided in the longitudinal direction,
The inner piece is formed in a shape that extends outward from the inner bottom inner edge, and extends outward from the outer edge of the outer piece, each portion corresponding to the cutout portion.
The breathable member is a sheet structure in which a skin layer is provided on both sides of the intermediate layer, the intermediate layer has a ventilation path in the thickness, width and length directions, the skin layer is breathable at least in the thickness direction. With
And
The cutout portion of the upper member and the portion corresponding to the cutout portion of the insole member, and the inner piece and the outer piece are sewn together, and the upper member and the insole member are joined together. Breathable shoes characterized by.
The breathable member is double raschel structural member der that connecting the outer material and lining in connecting yarn is, the outer material and lining forms the skin layer, the portion Outer and lining are connected by connecting yarns forming the intermediate layer The breathable shoe according to claim 1, wherein:
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