JP2509308B2 - Shoe structure - Google Patents
Shoe structureInfo
- Publication number
- JP2509308B2 JP2509308B2 JP63208758A JP20875888A JP2509308B2 JP 2509308 B2 JP2509308 B2 JP 2509308B2 JP 63208758 A JP63208758 A JP 63208758A JP 20875888 A JP20875888 A JP 20875888A JP 2509308 B2 JP2509308 B2 JP 2509308B2
- Authority
- JP
- Japan
- Prior art keywords
- foot
- shoes
- sole
- shoe
- heel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、足の疲労を防ぎ、足の健康を保持し、更に
足裏前足部に所謂タコ、マメ等が出来難い靴に関するも
のである。Description: TECHNICAL FIELD The present invention relates to shoes which prevent foot fatigue, maintain foot health, and are less likely to have so-called octopus, beans and the like on the front foot parts of the soles. .
（従来技術） 現場作業者は安全靴を、ビジネスマンはビジネス靴と
いうように、どのような分野で活動するときも靴とは常
に密接な関連性をもって生活している。(Prior Art) Field workers always live in a close relationship with shoes, regardless of what field they work in, such as safety shoes for business people and business shoes for business people.
靴に要求される基本的な条件としては、足の疲労を防
ぎ、足の健康が保持し得、且つ履きやすいものでなけれ
ばならない。ところが、従来から市販されている安全靴
にしても、ビジネス靴にしても、残念ながら構造的には
足の機能性、足の健康管理面については充分な配慮がさ
れていないというのが現状である。特に、安全靴につい
ては足を周囲の環境より安全に守るため唯、丈夫で且つ
安くという配慮のみで作られているものが多い。従って
咄嗟の動作が出来難く、８時間あるいはそれ以上の長時
間にわたる作業或いは歩行を続けた場合、足は疲れ易
く、作業能率の低下につながり、却って不安全行動への
引金となる可能性も潜在しており、足の健康には悪影響
を与えるものであった。The basic requirements for shoes are to prevent foot fatigue, maintain good foot health, and be comfortable to wear. However, unfortunately, the structure of the foot and the health management of the foot have not been sufficiently considered structurally, whether it is a safety shoe or a business shoe that has been commercially available. is there. In particular, many safety shoes are made only in consideration of being durable and cheap in order to protect their feet more safely than the surrounding environment. Therefore, it is difficult to make a quick movement, and if you continue to work or walk for a long time of 8 hours or more, your legs are likely to get tired, work efficiency decreases, and it may even trigger unsafe behavior. It was latent and had a negative impact on foot health.
この様なことから本発明者は、足の可動性、フィット
性等の機能性に富み、足の疲労が少なく足の健康管理を
適合する安全靴について検討を重ねてきた。そして先に
これらの要素について改良を加えた安全靴の発明を提案
をした（特願昭60−62894号）。更にその後も靴の改良
研究を重てきた。その具体的な検討の一つとして長期
間、靴を履いての評価について広くアンケート調査を行
った。その結果、前足底部に於ける愁訴の疼痛、シビレ
に関するものが非常に多いことが判明した。そこで、本
発明者は上記の苦情原因について靴の構造面から検討を
加えた。その結果、靴内底の滑り性に重要な原因がある
ことが判った。滑り性に関してはこれまでも路面と靴裏
底との間で起こる靴外の滑りの問題については検討され
てきたが、靴内底における滑り性の問題については全く
重視されないままに今日に至っているというのが現状で
ある。For this reason, the present inventor has conducted repeated studies on safety shoes that are highly functional such as foot mobility and fit, have less foot fatigue, and are suitable for foot health management. Then, the invention of a safety shoe in which these elements were improved was proposed (Japanese Patent Application No. 60-62894). After that, he continued to study the improvement of shoes. As one of the concrete examinations, we conducted a wide-ranging questionnaire survey on the evaluation of wearing shoes for a long time. As a result, it was found that there were a large number of complaints and complaints about complaints in the front plantar region. Therefore, the present inventor examined the above-mentioned causes of complaints from the viewpoint of the structure of shoes. As a result, it was found that the slipperiness of the inner sole of the shoe has an important cause. With regard to slipperiness, the problem of slippage on the outside of the shoe that occurs between the road surface and the sole of the shoe has been examined, but the issue of slippery on the inner side of the shoe has not been emphasized at all until today. That is the current situation.
ところが、この点にメスを入れた本発明者の研究によ
れば、踏付部での衝撃のエネルギーをショックアブソー
バーで吸収するよりも、衝撃のエネルギーを滑りのエネ
ルギーに転換する靴内の滑り現象こそが重要てあること
が確認された。However, according to the research of the present inventor who put a scalpel in this point, the slip phenomenon in the shoe that converts the energy of the impact into the energy of the slip rather than absorbing the energy of the impact at the stepping part by the shock absorber. It was confirmed that it was important.
しかしながら、安全靴では趾を守るための鉄製金枠が
あり、これに趾が衝突してトラブルをおこさない様にと
の配慮から、寧ろ足裏前部が接する前底部は踵が接する
後底部よりは相対的に滑らない様に作られており、この
ような構造にすることが、これまで漫然と正しいものと
されていた。このことは安全靴に限られず、一般の男性
及び女性用のビジネス靴にもそのまま当てはまるもので
あり、靴を構成する場合の寧ろ基本とされていたのであ
る。However, in safety shoes, there is an iron metal frame to protect the toes, and in order to prevent the toes from colliding with them and causing trouble, rather, the front bottom part where the front part of the foot touches is more than the rear bottom part where the heel touches. Is designed to be relatively non-slip, and making such a structure has heretofore been regarded as leniently correct. This applies not only to safety shoes, but also to general men's and women's business shoes as it is, and it was the basis rather than the construction of shoes.
本発明者は、従来の安全靴の構造を更に調査したとこ
ろ、最近では靴の内底面に張られている材料に、殆どの
靴がパルプボード、レザーボード、シートボード、ライ
トレン（商品名）等が従来の中底牛皮革の代わりに使用
されている。そして本発明者は、前回改良した安全靴の
中底面と木綿製靴下との動的摩擦係数を調べてみた。そ
の結果、男靴の場合（ライトレンの表面格子状態）の動
的摩擦係数は0.94で、女靴の場合（ライトレンの表面平
滑）の動的摩擦係数は0.85であった。一方、靴の踵半敷
は男靴には合成皮革、女靴には人工皮革が作用され、摩
擦係数は男靴の場合は0.67で、女靴の場合は0.37で共に
前底部と後底部とを比較した場合は相対的に後底部の方
が前底部に比し滑り易く作られていることが判明した。
そして前記した愁訴の疼痛、シビレがここに原因してい
ることが確認された。即い、前足踏み返し部の衝撃が、
靴内の前底部の滑り性不良のため踏み付け部での衝撃エ
ネルギーが足裏前部に集中し、そこでの衝撃の繰り返し
が胼胝形成につながっていたのである。The present inventor further investigated the structure of the conventional safety shoes, and found that most of the shoes that have recently been stretched on the inner bottom surface of shoes are pulp board, leather board, seat board, lite ren (trade name), etc. Is used in place of conventional insole cowhide. Then, the present inventor examined the dynamic friction coefficient between the insole and the cotton socks, which were improved last time. As a result, the dynamic friction coefficient was 0.94 for the male shoes (Literen's surface lattice state) and 0.85 for the female shoes (Literen's surface smoothness). On the other hand, the heel half-soles of shoes are made of synthetic leather for male shoes and artificial leather for female shoes.The coefficient of friction is 0.67 for male shoes and 0.37 for female shoes. It was found that the rear bottom part was relatively slippery compared to the front bottom part.
It was confirmed that the above-mentioned complaints of pain and cramps were the causes. Immediately, the impact of the front foot stepping part,
Due to the poor slipperiness of the front sole of the shoe, the impact energy at the stepped part was concentrated on the front of the foot, and repeated impact there led to the formation of callus.
従って、この前底部こそ滑らせるべきであるものを、
従来品はこれを逆に設計し後底部を滑らし前底部を滑ら
ないようにしていたのである。Therefore, what you should slide on this front bottom is
In the conventional product, the design was reversed, and the rear bottom was slipped and the front bottom was not slipped.
本発明は、足の疲労を防ぎ、足の健康を維持し得る性
能を有すると共に、更に足裏前足部にタコ、マメ等が出
来難い靴を提供することを目的とするものである。It is an object of the present invention to provide a shoe that has the ability to prevent foot fatigue and maintain foot health, and that does not allow octopus, beans or the like to be formed on the front foot of the foot.
本発明は、靴の内底部構造において、足裏前部が接す
る前底部における木綿製靴下との動的摩擦係数（JIS K
7125）が0.25〜0.60の範囲にあって、踵が接する後底部
と対比し、該動的摩擦係数が少なくとも0.1以上の差を
もって前底部の方を小さくしたことを特徴とする靴の構
造である。The present invention, in the structure of the inner sole of a shoe, has a coefficient of dynamic friction (JIS K
7125) is in the range of 0.25 to 0.60, and the front sole is made smaller with a difference in dynamic friction coefficient of at least 0.1 or more compared with the rear sole where the heel contacts. .
上記の構成で、足裏前部が接する前底部における木綿
製靴下との動的摩擦係数（JIS K 7125）が0.25〜0.60の
範囲に特定した理由は、因みに0.25以下では、従来より
経験的に靴内の滑りは天然牛皮革が最も良いとされてお
り、その天然皮革の摩擦係数以下となり、滑り過ぎのお
それがあること、また0.60以上では一般によく使用され
るビニルレザーの踵半敷きの摩擦係数に近付き両者の差
が少なくなり目的とする効果が得られないため好ましく
ない。従って上記の範囲が現在使用されている中敷材の
中から選択する場合に最も好ましい。そして木綿製靴下
との動的摩擦係数（JIS K 7125）が少なくとも0.1の差
をもって足裏前部と接する前底部の方が、踵と接する後
底部よりも小さいというのは、踵を接する後底部よりも
足裏前部と接する前底部の方が相対的に滑り性が良いこ
とを意味するものである。従来の靴で説明すれば、前底
部に使用されているパルプボードを本発明においては踵
半敷として使用し、又、従来踵半敷に使用している合成
皮革乃至人工皮革を本発明に於いては前底部に使用する
のもその一形態である。With the above configuration, the reason why the dynamic friction coefficient (JIS K 7125) with the cotton socks at the front bottom where the front part of the foot comes into contact is specified to be in the range of 0.25 to 0.60 is that 0.25 or less is empirically It is said that natural cowhide is the best for slipping inside shoes, and the coefficient of friction is less than that of natural leather, and there is a risk of excessive slippage. It is not preferable because the coefficient is brought close to and the difference between the two becomes small and the desired effect cannot be obtained. Therefore, the above range is most preferable when selected from the insoles currently used. And the dynamic friction coefficient (JIS K 7125) with cotton socks is at least 0.1, and the front bottom that contacts the front of the sole is smaller than the rear bottom that contacts the heel means that the rear bottom that contacts the heel. It means that the front bottom part which contacts the front part of the foot has relatively better slipperiness than the front part. Explaining conventional shoes, the pulp board used for the front sole is used as the heel half-sock in the present invention, and the synthetic leather or artificial leather conventionally used for the heel half-sheath is used in the present invention. Moreover, it is one of the forms to be used for the front bottom part.
靴の内底部を形成する中敷材料としては前記のパルプ
ボード、レザーボード、シートボード等の中敷材や合成
皮革、人工皮革に限らず、プラスチック、サラン等の中
敷材等も使用できる。但し、これらの材料を使用する場
合に重要なことは、木綿製靴下との動的摩擦係数が、少
なくとも0.1以上の差をもって前底部の方を後底部より
も小さくなるように構成することである。The insole material for forming the inner sole of the shoe is not limited to the above-mentioned insole material such as pulp board, leather board and sheet board, synthetic leather and artificial leather, and insole material such as plastic and saran can be used. However, when using these materials, what is important is that the coefficient of dynamic friction with the socks made of cotton is configured so that the front bottom is smaller than the rear bottom with a difference of at least 0.1 or more. .
因みに、前記の動的摩擦係数の差が0.1以下の場合
は、全敷き状態に近付き、踵後部での滑り止め保持がで
きず足裏全体が前へ滑ることになることからして好まし
くない。Incidentally, when the difference in the dynamic friction coefficient is 0.1 or less, it is not preferable because the state of full laying is approached, slippage cannot be held at the rear part of the heel, and the whole sole slips forward.
更に、前記の条件を満たす踵半敷は、踵と接する部分
のみに張るというのではなく、足裏の内側アーチ前方部
に届く位置まで設置するのが望ましい。Furthermore, it is preferable that the heel half-seat satisfying the above-mentioned conditions is installed not only at the part in contact with the heel but at a position reaching the front part of the inner arch of the sole of the foot.
而して、靴の内底部の構造を上記の如く構成すること
によって、足裏前部の踏み返し衝撃が繰り返されても前
底部にフレキシビリティが確保され、衝撃エネルギーは
局部的に集中することがなく、胼胝の形成は完全に解消
することが出来るのである。Thus, by constructing the structure of the inner sole of the shoe as described above, flexibility is ensured in the front sole even when the front foot back impact is repeated, and the impact energy is locally concentrated. The formation of calluses can be completely eliminated.
なお、本発明の靴構造に於いても、先に出願した特願
昭60−62894号の発明のように土踏まずの内側には、足
の舟状骨に対応する部分が特に固く、ボールジョイント
に対応する位置の近傍まで延びるアーチを有する弾性の
アーチ支えを設け、該アーチ支えが加重を受けた際にも
外側へ拡がらないように踵部を囲む側壁の内側に硬質の
芯材を埋設しておくと、足の特徴であるアーチ全体をた
えず大きな面で緩やかに支えて足の疲労を少なくするこ
とが出来、足の健康を保持するのにも好適である。又、
靴底の踵部から土踏まずの前部にまたがって、剛板（シ
ャンク）を内蔵させれば、裏底のボールジョイントでの
可動性を向上させることができ、また作業安全靴の場合
は、靴の先端内部の周縁に金枠を足先のカーブラインに
合わせて内蔵させれば足先の安全性が確保でき、又、底
皮を例えばウレタンソールのような軽量で耐久性のある
材質にし、しかも厚さを薄くすれば靴の軽量化を図るこ
とが出来る。Even in the shoe structure of the present invention, as in the invention of Japanese Patent Application No. 60-62894 filed previously, the part corresponding to the scaphoid bone of the foot is particularly hard on the inside of the arch and the ball joint An elastic arch support having an arch extending to the vicinity of the corresponding position is provided, and a hard core material is embedded inside the side wall surrounding the heel so that the arch support does not spread outward even when subjected to a load. In this case, the entire arch, which is a characteristic of the foot, can be gently supported by a large surface to reduce the fatigue of the foot, which is also suitable for maintaining the health of the foot. or,
If a rigid plate (shank) is built in from the heel of the shoe sole to the front of the arch, it is possible to improve the mobility of the ball joint on the sole of the sole, and in the case of work safety shoes, shoes You can secure the safety of your toes by incorporating a metal frame along the curved line of your toes around the inside of the tip of the toe, and make the bottom skin a lightweight and durable material such as urethane sole, Moreover, if the thickness is reduced, the weight of the shoe can be reduced.
本発明にかかる靴は、足裏前部と接する前底部のフレ
キシビリティが十分に確保されているため足裏前部の踏
み返し衝撃が繰り返されても衝撃エネルギーは局部的に
集中することがなく、従って胼胝の形成は完全に解消で
き、足の疲労も少なく、足の健康にも極めて効果的であ
る。In the shoe according to the present invention, since the flexibility of the front sole contacting the front part of the foot is sufficiently secured, the impact energy does not locally concentrate even if the stepping impact of the front part of the sole is repeated. Therefore, the formation of callus can be completely eliminated, the fatigue of the foot is small, and it is extremely effective for the health of the foot.
Claims (1)
る前底部における木綿製靴下との動的摩擦係数（JIS K
7125）が0.25〜0.60の範囲にあって、踵が接する後底部
と対比し、該動的摩擦係数が少なくとも0.1以上の差を
もって前底部の方を小さくしたことを特徴とする靴の構
造。1. In the structure of the inner sole of a shoe, the coefficient of dynamic friction with a cotton sock at the front sole contacting the front of the sole (JIS K
7125) is in the range of 0.25 to 0.60, and the front sole is made smaller with a difference in dynamic friction coefficient of at least 0.1 or more as compared with the rear sole in contact with the heel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208758A JP2509308B2 (en) | 1988-08-22 | 1988-08-22 | Shoe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63208758A JP2509308B2 (en) | 1988-08-22 | 1988-08-22 | Shoe structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0257201A JPH0257201A (en) | 1990-02-27 |
| JP2509308B2 true JP2509308B2 (en) | 1996-06-19 |
Family
ID=16561596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63208758A Expired - Lifetime JP2509308B2 (en) | 1988-08-22 | 1988-08-22 | Shoe structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2509308B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04135503A (en) * | 1990-09-27 | 1992-05-11 | Kanzaki Paper Mfg Co Ltd | Internal structure of shoe |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944305B2 (en) * | 1982-07-20 | 1984-10-29 | 住友化学工業株式会社 | Method for producing N-t-butylformamide |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944305U (en) * | 1982-09-13 | 1984-03-23 | 奥村 良夫 | Anti-slip sheet for footwear |
| JPH053043Y2 (en) * | 1987-10-03 | 1993-01-26 | ||
| JPH01104204U (en) * | 1987-12-29 | 1989-07-13 |
-
1988
- 1988-08-22 JP JP63208758A patent/JP2509308B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5944305B2 (en) * | 1982-07-20 | 1984-10-29 | 住友化学工業株式会社 | Method for producing N-t-butylformamide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0257201A (en) | 1990-02-27 |
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