JPH06253905A - Nonslip shoe sole - Google Patents
Nonslip shoe soleInfo
- Publication number
- JPH06253905A JPH06253905A JP4261893A JP4261893A JPH06253905A JP H06253905 A JPH06253905 A JP H06253905A JP 4261893 A JP4261893 A JP 4261893A JP 4261893 A JP4261893 A JP 4261893A JP H06253905 A JPH06253905 A JP H06253905A
- Authority
- JP
- Japan
- Prior art keywords
- sole
- shoe sole
- hydrophilic
- floor surface
- shoe
- 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.)
- Pending
Links
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、タイル貼り床面のよう
な平滑であって水に濡れた際には滑りやすくなる床面や
道路の上を歩く際に、滑ることがないように工夫された
靴底に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has been devised so as not to slip when walking on a floor surface or a road which is smooth like a tiled floor surface and becomes slippery when wet with water. It is related to the sole of the shoe.
【０００２】[0002]
【従来技術】従来から、氷面や圧雪面の道路、あるいは
水膜や油膜のある床面等を歩く際の安全性を考慮して、
これらの歩行面を歩いても滑らないように工夫された靴
底の構造については数多くの提案がされている。2. Description of the Related Art Conventionally, in consideration of safety when walking on an icy surface, a snow-covered road, or a floor surface having a water film or an oil film,
Many proposals have been made for the structure of the sole designed to prevent slipping even when walking on these walking surfaces.
【０００３】これらの提案は、滑りが発生する現象を、
靴底材と床面等の間に水膜が存在するために両者の間の
摩擦係数が極端に低下する結果になること（いわゆるハ
イドロプレーニング現象等）をその原因として考えたも
のであり、その防止対策としては、前者の氷面や圧雪面
等の固体が存在する面上での滑り防止のためには、スパ
イクと呼ばれる金属製の突起を靴底に取り付けて踏下力
でその固体を破壊し地面との接触を確保させる提案が多
くされている。[0003] These proposals are intended to reduce the phenomenon that slippage occurs.
The reason for this is that there is a water film between the shoe sole and the floor, which results in an extremely low friction coefficient between the two (so-called hydroplaning phenomenon, etc.). As a preventive measure, in order to prevent the former from slipping on a surface where solids such as ice and snow are present, a metal projection called a spike is attached to the sole of the shoe and the solid is destroyed by the stepping force. There are many proposals to ensure contact with the ground.
【０００４】他方、水膜や油膜等の液体が存在する床面
での滑りの防止は、上記の氷面等がある面に比べ、薄い
液膜を破壊すれば足りるので、例えば、硬質の無機粒子
を靴底に含有させるとか、靴底の一部にこの無機粒子の
含有部を設ける提案が多くされている。また近時におい
ては、ポリエステル繊維を靴底の接地面に直角に突出さ
せる構造の提案（実開昭６２−２０６９０９号）、靴底
表面に繊維を静電植毛する提案（特開昭６４−１１５０
１号，特開平３−１７０１０１号）、更にフィブリル化
した合成繊維を靴底表面から突出させるようにした提案
（実開平４−４８０２号）などもされている。On the other hand, in order to prevent slippage on a floor surface where a liquid such as a water film or an oil film exists, it suffices to destroy a thin liquid film as compared with the above-mentioned surface having an ice surface. Many proposals have been made to incorporate particles into the sole of the shoe, or to provide this inorganic particle-containing portion on a part of the sole. Recently, a proposal has been made for a structure in which polyester fibers are projected at right angles to the ground contact surface of the shoe sole (Actual No. Sho 62-206909), and a method for electrostatically implanting fibers on the shoe sole surface (Japanese Patent Laid-Open No. 64-1150).
No. 1, JP-A-3-170101), and a proposal (Shokaihei 4-4802) in which fibrillated synthetic fibers are projected from the surface of the shoe sole is also proposed.
【０００５】[0005]
【発明が解決しようとする課題】このように滑り防止機
能を持った靴底の構造は、氷面等と水膜等に対する対策
手法が異なり、本発明はこの後者の対策についての新規
な靴底構造を提案するものである。As described above, the structure of the shoe sole having the anti-slip function is different in the countermeasure method against the ice surface and the water film, and the present invention is a novel sole for the latter countermeasure. It proposes a structure.
【０００６】上記のように、水膜や液膜の存在する床面
上での滑りを防止するために提案されている従来の靴底
構造は、硬質無機粒子や、ポリエステル，ポリアミド，
カーボン，ガラス等の繊維を、靴底表面に露出させるも
のである。As described above, the conventional shoe sole structure proposed for preventing slippage on the floor surface where a water film or a liquid film exists is made of hard inorganic particles, polyester, polyamide,
Fibers such as carbon and glass are exposed on the sole surface.
【０００７】しかしながら、これらの提案の構造をもっ
た靴底の靴は、たしかに滑り防止には有効であるもの
の、機械的に水膜等を破壊して床面とのコンタクト（接
触）を確保する作用を発揮するものであるため、反面に
おいて、雨天のように水膜等がある場合は勿論のこと、
晴天時にもその靴底の接地面に露出している無機粒子や
合成繊維等が接地面を常にアッタクし、その結果、合成
樹脂やゴムタイルのような軟質の材料で形成されている
床面に傷を付け、平滑性，表面光沢を失わせてしまうこ
とがしばしばあり、床面の意匠的な外観を損なわせてし
まうという欠点が近時大きな問題となっている。[0007] However, although the shoes with the soles having the proposed structures are certainly effective in preventing slippage, they mechanically destroy the water film or the like to secure contact with the floor surface. On the other hand, since it exerts its action, of course, when there is a water film etc. like rainy weather,
Even in fine weather, inorganic particles and synthetic fibers exposed on the ground contact surface of the sole constantly attack the ground contact surface, resulting in scratches on the floor surface formed of a soft material such as synthetic resin or rubber tile. However, it is often the case that the smoothness and surface gloss are lost, and the drawback of impairing the design appearance of the floor surface has become a big problem in recent years.
【０００８】また上記のガラス繊維等の機械的な水膜破
壊作用を発揮させるために、靴底の接地面に対してこれ
らの繊維を直角に埋め込むことが提案されているが、こ
のような構造は、その製造工程が複雑で手間がかかり、
製品コストが高くなってしまうという問題もある。In order to exert the mechanical action of destroying the water film of the above glass fibers, it has been proposed to embed these fibers at right angles to the ground contact surface of the shoe sole. , Its manufacturing process is complicated and time-consuming,
There is also a problem that the product cost becomes high.
【０００９】本発明は、以上のような滑らない靴底に関
しの従来提案とはその考えかたを根本的に変え、床面を
傷付けることがなく、しかも十分な滑り防止の作用を有
する新規な靴底の提供を目的とするものである。The present invention fundamentally changes the way of thinking from the above-mentioned conventional proposals regarding non-slip shoe soles, so that the floor surface is not damaged and a novel slip-preventing action is obtained. It is intended to provide shoe soles.
【００１０】[0010]
【課題を解決するための手段】上記目的を達成する本発
明の靴底の特徴は、靴底の全部又は一部が、天然ゴム，
合成ゴム，熱可塑性エラストマーの少なくともいずれか
一種からなる母材組成物１００重量部、粒度が５０μｍ
〜３２５μｍの親水性繊維又は親水性粉粒体１０〜４０
重量部、ケイ酸又はケイ酸塩の補強材１０〜５０重量
部、の混合物を成型した成型体からなっていて、靴使用
に伴って靴底が摩耗する経時的な変化の前後に渡り、該
成型体は常に靴底接地面の少なくとも一部を提供するよ
うに設けられているという構成をなすところにある。The features of the shoe sole of the present invention for achieving the above object are that all or a part of the shoe sole is made of natural rubber,
100 parts by weight of base material composition comprising at least one of synthetic rubber and thermoplastic elastomer, particle size is 50 μm
To 325 μm hydrophilic fiber or hydrophilic powder particles 10 to 40
A molded body formed by molding a mixture of 10 parts by weight of silicic acid or 10 to 50 parts by weight of a silicic acid or a silicate reinforcing material, which is used before and after a time-dependent change in wear of the sole due to use of the shoe. The molded body is always configured to provide at least a portion of the sole contact surface.
【００１１】以下、本発明を詳細に説明する。本発明の
強調すべき特徴は、靴底の全部又は一部を構成している
滑り防止のための成型体が親水性繊維又は粒度が５０μ
ｍ〜３２５μｍの親水性粉粒体を含有していることにあ
り、このような親水性部材として代表的には、セルロー
ス繊維を挙げることができる。セルロース繊維等の親水
性繊維を用いる場合は、繊維長や配向は、特に制限され
るものではないが、繊維長があまり長いものを用いると
成型体に混合させた際の分散性が悪くなるので、一般的
には５０μｍ〜３２５μｍ、好ましくは１５０〜３００
μｍの短繊維を用いることが好ましい。親水性部材とし
て粉粒体を用いる場合には、４８メッシュ（粒径２９７
μｍ以下パス）の篩及び２００メッシュ（７４μｍ以下
パス）の篩を用いて選択したセルロース系のものを用い
ることがよい。５０メッシュ未満の粉粒体のみでは、ゴ
ム中に分散するとき繊維が長いためからまって分散が難
しく、異物となって外観を損なうという問題があり、ま
た親水性のバラツキを招くという問題がある。反対に２
００メッシュを越える粉粒体のみでは、粒子が微細過ぎ
てゴム表面に露出せず、滑り止め効果は減少するという
問題があるため上記範囲の粉粒体が用いられる。The present invention will be described in detail below. The feature to be emphasized of the present invention is that the slip-preventing molding which constitutes all or a part of the sole has hydrophilic fibers or a particle size of 50 μm.
Since it contains a hydrophilic powdery substance of m to 325 μm, a typical example of such a hydrophilic member is cellulose fiber. When a hydrophilic fiber such as a cellulose fiber is used, the fiber length and orientation are not particularly limited, but if a fiber having an excessively long fiber length is used, the dispersibility when mixed in a molded body is deteriorated. , Generally 50 μm to 325 μm, preferably 150 to 300
It is preferable to use short fibers of μm. When a powder or granular material is used as the hydrophilic member, 48 mesh (particle size 297
It is preferable to use a cellulose-based one selected by using a sieve having a pass of less than μm and a sieve of 200 mesh (pass having a pass of less than 74 μm). If the powder is less than 50 mesh only, there is a problem that when dispersed in rubber, it is difficult to disperse due to the long fibers, which causes foreign matter to impair the appearance, and also causes a variation in hydrophilicity. . On the contrary 2
If only the particles exceeding 00 mesh are used, the particles are too fine to be exposed on the rubber surface and the anti-slip effect is reduced, so that the particles in the above range are used.
【００１２】これらの親水性繊維等の含有量は、１０〜
４０重量部、好ましくは１５〜３０重量部であり、１０
重量部未満ではゴムに親水性が付与されにくいため滑り
易く、また４０重量部を越えるとゴム配合物が硬くなっ
て成形性に乏しく靴底への成形加工が困難となり好まし
くない。これらの親水性繊維等を靴の新品時から接地面
に確実に露出させておくように、靴底接地面のバフ研磨
等を行うことも好ましい。なお上記のようにセルロース
繊維で代表される親水性の繊維等は、靴底が接地する床
面が比較的軟質な塩ビ等で構成されている場合にこれを
傷付けない程度の軟質なもので十分である。水膜を機械
的に破壊することなくその親水性の性質によって実用上
十分な滑り防止性を発揮できるし、軟質であることで床
面を傷付ける攻撃性をなくすことができるからである。The content of these hydrophilic fibers and the like is 10 to
40 parts by weight, preferably 15 to 30 parts by weight, 10
If the amount is less than parts by weight, it is difficult to impart hydrophilicity to the rubber so that the rubber is slippery, and if the amount exceeds 40 parts by weight, the rubber composition becomes hard and has poor moldability and molding to the shoe sole is difficult. It is also preferable to perform buffing of the shoe sole grounding surface so that these hydrophilic fibers and the like are surely exposed to the grounding surface even when the shoe is new. As described above, the hydrophilic fiber typified by cellulosic fiber may be soft enough not to damage the sole when the floor surface on which the sole contacts the ground is made of relatively soft vinyl chloride or the like. Is. This is because the hydrophilic property allows the water film to exhibit a practically sufficient anti-slip property without mechanically destroying the water film, and the soft film can eliminate the aggressiveness that damages the floor surface.
【００１３】本発明の強調すべき特徴の他の一つは、ケ
イ酸又はケイ酸塩を補強材として含有することにあり、
これらは乾式法（一般に「ヒュームドシリカ」と呼ばれ
る）、湿式法（一般に「沈殿ケイ酸」と呼ばれる）のい
ずれであっても特に差し支えない。その作用は、シリカ
粒子の表面の水酸基の存在や、ポーラスな構造により、
ゴム等に配合するも極めて大きい補強性と親水性を有す
る。このケイ酸等の含有量は、１０重量部未満では、補
強性及び親水性が十分でなく、５０重量部を超えると硬
くなり、成形性も乏しく、靴底として適当でないという
問題を招くため、上記範囲とされる。Another feature of the present invention to be emphasized is that it contains silicic acid or silicate as a reinforcing material,
These may be either a dry method (generally called "fumed silica") or a wet method (generally called "precipitated silicic acid"). The action is due to the presence of hydroxyl groups on the surface of the silica particles and the porous structure,
Although it is blended with rubber and the like, it has extremely high reinforcement and hydrophilicity. If the content of the silicic acid or the like is less than 10 parts by weight, the reinforcing property and hydrophilicity are not sufficient, and if it exceeds 50 parts by weight, it becomes hard and the moldability is poor, which causes a problem that it is not suitable as a shoe sole. The above range is set.
【００１４】靴底の全部または一部をなす成型体のうち
の上記母材組成物は、靴底用として知られる天然ゴム，
合成ゴム，熱可塑性エラストマー等の既知の構成のもの
を特に制限されることなく用いることができ、加硫剤、
加硫促進剤、老化防止剤、補強材等々の一般的な材料を
配合したものを適宜用いることができる。The above-mentioned base material composition of the molded body forming all or a part of the sole is a natural rubber known for soles,
Any known composition such as synthetic rubber or thermoplastic elastomer can be used without particular limitation.
A mixture of general materials such as a vulcanization accelerator, an antioxidant and a reinforcing material can be appropriately used.
【００１５】本発明の靴底の構造によれば、詳細は必ず
しも明らかでないが、雨天等においては床面上に水膜等
が存在しても、靴底に露出している親水性繊維等によっ
て靴底と床面の接触が得られるために滑ることが防止さ
れる。また、晴天（乾燥）時には、セルロース繊維等が
床面に直接コンタクトしても、床面を傷付けることがな
い。According to the structure of the shoe sole of the present invention, the details are not always clear, but in rainy weather or the like, even if a water film or the like exists on the floor surface, due to the hydrophilic fibers or the like exposed on the sole. The contact between the sole and the floor surface is obtained, so that slipping is prevented. Further, when the weather is fine (dry), even if the cellulose fiber or the like directly contacts the floor surface, the floor surface is not damaged.
【００１６】[0016]
【実施例】以下、本発明を実施例に基づいてさらに説明
するが、本発明がこれらに限定されるものではない。EXAMPLES The present invention will be further described below based on examples, but the present invention is not limited thereto.
【００１７】実施例 下記表１に示す組成物を、親水性部材とケイ酸塩補強材
が表２に示した配合量となるようにしてそれぞれ未加硫
ゴムシートを作り、これをそれぞれ金型に入れて１４５
℃、１５分、加圧加熱して厚さ５ｍｍのシートを作り、
冷却後、表面をバフ加工し裁断して、セルロース繊維を
露出させた靴底用シートを製造した。Example An unvulcanized rubber sheet was made by using the composition shown in Table 1 below so that the hydrophilic member and the silicate reinforcing material have the compounding amounts shown in Table 2, and the unvulcanized rubber sheet was made into a mold. Put in 145
℃, for 15 minutes, pressurize and heat to make a 5mm thick sheet,
After cooling, the surface was buffed and cut to manufacture a shoe sole sheet in which cellulose fibers were exposed.
【００１８】[0018]
【表１】 [Table 1]
【００１９】この試料の摩擦係数を、ＡＳＴＭ Ｄ−１
８９４（Ｃ）法に従って、試料を水中で磨きガラス板上
を滑らせることにより測定し、結果を表２に示した。The coefficient of friction of this sample was determined according to ASTM D-1.
The sample was measured by sliding it on a polished glass plate in water according to the method 894 (C), and the results are shown in Table 2.
【００２０】また、実際の靴の靴底としてこの試料を貼
り付け、パネラーがこの靴をはいて、乾いた床面と、水
で濡れた塩ビタイルの上をそれぞれ歩行することで、滑
り性の有無をテストし、その結果を同じく表２に示し
た。Further, by sticking this sample as a sole of an actual shoe, a paneler puts on this shoe and walks on a dry floor surface and a PVC tile wet with water, respectively. The presence or absence was tested, and the results are also shown in Table 2.
【００２１】なお、滑り性のパネルテストは成人男子１
０名によって行い、結果は、乾いた床面歩行時に比べ
て、水で濡れた塩ビタイルの歩行時に滑りが殆ど気にな
らない場合を「○」、少し注意を要する場合を「△」、
十分注意しないと滑る危険を感ずる場合を「×」として
評価し、最も該当評価数が多いものを表２に示した。The slippery panel test is for an adult male 1
The results were carried out by 0 people, and the results are "○" when slippage is hardly noticed when walking with PVC tiles wet with water compared to when walking on a dry floor surface, "△" when a little caution is required,
When there was a risk of slipping if sufficient care was not taken, it was evaluated as “x”, and the one with the highest number of applicable evaluations is shown in Table 2.
【００２２】[0022]
【表２】 [Table 2]
【００２３】この表２の結果から分かるように、本発明
の実施例１〜４の構造を有する靴底は、摩擦係数も０．
７〜０．９と大きく、また、パネルテストの結果も滑り
の危険性を殆ど感じないため、滑り防止作用をもつ靴底
として十分な実用性をもつことが確認できる。As can be seen from the results of Table 2, the shoe soles having the structures of Examples 1 to 4 of the present invention have a friction coefficient of 0.
It is as large as 7 to 0.9, and the result of the panel test shows almost no danger of slippage, so that it can be confirmed that the shoe sole has sufficient practicality as an anti-slip shoe sole.
【００２４】また、これらの実施例の靴底を貼り付けた
靴で上記塩ビタイルの上をパネラーによって延べ２０時
間歩行した前後の表面の傷付き状態を調べたところ、光
沢の現象や表面の白化など外観上の変化は認められず、
靴底に含有させた本実施例のセルロース粉粒体によって
は、床面の意匠的外観を損なうような傷の発生が殆どな
いことが確認された。Further, the state of scratches on the surface before and after walking for a total of 20 hours on the above-mentioned PVC tile with the shoes with the shoe soles adhered thereto in these Examples was examined, and the phenomenon of gloss and whitening of the surface were observed. No change in appearance was observed,
It was confirmed that the cellulose powder granules of this example contained in the shoe sole hardly cause scratches that impair the design appearance of the floor surface.
【００２５】比較例 上記表２のように、セルロース粉末及びケイ酸塩の配合
を変えた以外は実施例と同様にして靴底試料を作成し、
同様の摩擦係数の測定と、滑り性のパネルテストを行い
その結果を同表２に示した。Comparative Example As shown in Table 2 above, a shoe sole sample was prepared in the same manner as in Example except that the composition of the cellulose powder and the silicate was changed.
The same measurement of the coefficient of friction and the panel test for slipperiness were conducted, and the results are shown in Table 2 below.
【００２６】この結果は、比較例１のようにセルロース
粉末を過剰に配合したもの、あるいはケイ酸塩を多量に
配合したものでは、シートが硬くなりすぎて靴底として
の適性を欠くものとなってしまった。This result shows that when the cellulose powder is excessively mixed as in Comparative Example 1 or the silicate is mixed in a large amount, the sheet becomes too hard and lacks suitability as a shoe sole. I got it.
【００２７】また比較例３のものは、靴底に配合したセ
ルロース粉末が粒度の小さいものだけであるため、摩擦
係数の値も小さく、水で濡れた塩ビタイルの上を歩行し
た際の滑り性も不適当であった。In Comparative Example 3, since the cellulose powder mixed in the shoe sole has a small particle size, the friction coefficient is small, and the slipperiness when walking on the PVC tile wet with water is small. Was also inappropriate.
【００２８】更に比較例４のものは、疎水性のカーボン
ブラックを配合したものであるために、摩擦係数も極め
て小さく、滑り性も良くないものであった。Further, in Comparative Example 4, since the hydrophobic carbon black was blended, the friction coefficient was extremely small and the slipperiness was not good.
【００２９】[0029]
【発明の効果】以上のように、本発明よりなる滑らない
靴底は、従来のような床面に対する攻撃性の大きいもの
に比べて、水に濡れた床面の上を歩行する際の滑りが実
用的殆ど気にならないにという性質を有していて、しか
も塩ビ等の床面に対する攻撃性が実質的にないため、極
めて有益な靴底を提供できる効果がある。INDUSTRIAL APPLICABILITY As described above, the non-slip shoe sole according to the present invention is more slippery when walking on a floor surface which is wet with water, as compared with a conventional shoe sole which is more aggressive to the floor surface. However, it has a property that it is practically insignificant, and since it has substantially no aggression to the floor surface such as PVC, it has an effect of providing a very useful shoe sole.
【００３０】また、従来の硬質繊維を接地面に対して直
角に配向させるようにしている靴底に比べ、単に分散含
有させることだけで滑り性を改善できるため、製造工数
の点からも極めて優れて、安価な製品を提供できるとい
う効果もある。Further, compared with the conventional shoe sole in which the hard fibers are oriented at right angles to the ground contact surface, the slipperiness can be improved by simply dispersing and containing them, and therefore, it is also extremely excellent in terms of manufacturing man-hours. Therefore, there is an effect that an inexpensive product can be provided.
Claims (2)
ゴム，熱可塑性エラストマーの少なくともいずれか一種
からなる母材組成物１００重量部、粒度が５０μｍ〜３
２５μｍの親水性繊維又は親水性粉粒体１０〜４０重量
部、ケイ酸又はケイ酸塩の補強材１０〜５０重量部、の
混合物を成型した成型体からなっていて、靴使用に伴っ
て靴底が摩耗する経時的な変化の前後に渡り、該成型体
は常に靴底接地面の少なくとも一部を提供するように設
けられていることを特徴とする滑らない靴底。1. 100 parts by weight of a base material composition in which all or part of the sole is made of at least one of natural rubber, synthetic rubber, and thermoplastic elastomer, and the particle size is 50 μm to 3 μm.
It is composed of a molded body obtained by molding a mixture of 10 to 40 parts by weight of 25 μm hydrophilic fiber or hydrophilic powder and 10 to 50 parts by weight of reinforcing material of silicic acid or silicate. A non-slip shoe sole, characterized in that the molding is provided so as to always provide at least a part of the sole contact surface, before and after the wear of the sole changes over time.
に成型体の靴底接地面に親水性の繊維又は粉粒体が露出
する加工が施されたものであることを特徴とする滑らな
い靴底。2. The skid according to claim 1, wherein the shoe sole has a molded body which is processed so that hydrophilic fibers or powdery particles are exposed on the ground contact surface of the sole. No soles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4261893A JPH06253905A (en) | 1993-03-03 | 1993-03-03 | Nonslip shoe sole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4261893A JPH06253905A (en) | 1993-03-03 | 1993-03-03 | Nonslip shoe sole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06253905A true JPH06253905A (en) | 1994-09-13 |
Family
ID=12641015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4261893A Pending JPH06253905A (en) | 1993-03-03 | 1993-03-03 | Nonslip shoe sole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06253905A (en) |
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-
1993
- 1993-03-03 JP JP4261893A patent/JPH06253905A/en active Pending
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