JPH0479901A - Foaming midsole for shoe sole - Google Patents
Foaming midsole for shoe soleInfo
- Publication number
- JPH0479901A JPH0479901A JP19321990A JP19321990A JPH0479901A JP H0479901 A JPH0479901 A JP H0479901A JP 19321990 A JP19321990 A JP 19321990A JP 19321990 A JP19321990 A JP 19321990A JP H0479901 A JPH0479901 A JP H0479901A
- Authority
- JP
- Japan
- Prior art keywords
- midsole
- foot
- groove
- buried
- synthetic resinous
- 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.)
- Granted
Links
- 238000005187 foaming Methods 0.000 title abstract 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 239000005060 rubber Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 2
- 239000010985 leather Substances 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 2
- 239000011090 solid board Substances 0.000 abstract 2
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000002990 reinforced plastic Substances 0.000 abstract 1
- 210000002683 foot Anatomy 0.000 description 13
- 238000000465 moulding Methods 0.000 description 7
- 239000006260 foam Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 210000004744 fore-foot Anatomy 0.000 description 2
- 210000000548 hind-foot Anatomy 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、靴底用発泡ミツドソールに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) This invention relates to a foamed midsole for shoe soles.
（従来の技術）
従来、発泡ミツドソールの不踏部から踏付後部にかけて
硬質板（シャンク）を埋込み１歩行、走行時における着
地安定性を図ろうとしたものは一般に周知である。(Prior Art) Conventionally, it is generally known that a hard plate (shank) is embedded in a foam midsole from the non-stepped part to the stepped rear part to improve landing stability during walking and running.
通常の正常な歩行、走行において方向転換する場合、ま
たは長時間の歩行、走行における筋肉、靭帯の疲労によ
って足の自然な動きとして、足の陣が回内または足の踏
付部が回外するものである。この際、前足部と後足部が
捻じれるように旋回するため、この部分に対応してミツ
ドソールに埋込まれたシャンクによって前足部と後足部
の捻じれが拘束され、歩行走行時に足の自然な動きが阻
害される欠点があった。このような観点から、シャンク
を使用しない発泡ミツドソールも一般に使用されている
が、歩行、走行における足の踵部の回内または足の踏付
部の回外が拘束を受けないため、ミツドソールのクツシ
ョン性と合いまって過回内または過回外がひき起され。When changing direction during normal walking or running, or due to muscle and ligament fatigue from long periods of walking or running, the foot position pronates or the foot presses supinates as a natural movement of the foot. It is something. At this time, the forefoot and hindfoot turn in a twisting manner, so the shank embedded in the midsole corresponding to this part restricts the torsion of the forefoot and hindfoot, causing the foot to twist during walking. The drawback was that natural movement was inhibited. From this point of view, foamed midsoles that do not use a shank are also commonly used, but the cushioning of midsoles is not restricted because the pronation of the heel of the foot or the supination of the stepping part of the foot during walking and running are not restricted. This, combined with gender, causes overpronation or overpronation.
足の筋肉、靭帯、関節に障害がひき起される欠点があっ
た。The disadvantage was that it caused damage to the muscles, ligaments, and joints of the legs.
（発明の解決しようとする問題点）
この発明は、歩行、走行における足の自然な動きを助長
し、しかも足の踵部の過度な回内並びに足の踏付部の過
度な回外を防止でき、しかも耐久性に優れた靴底用発泡
ミツドソールを提供しようとするものである。(Problems to be solved by the invention) This invention promotes the natural movement of the foot during walking and running, and prevents excessive pronation of the heel of the foot and excessive supination of the stepping part of the foot. The purpose of the present invention is to provide a foam midsole for shoe soles that is durable and has excellent durability.
（問題点を解決するための手段）
以下実施図面によって説明すれば、この発明は不踏部１
２と踏付後部１３との間に短手方向に屈曲溝１４を設け
、該屈曲溝１４を介して不踏部１２に硬質板２１を、踏
付後部１３に硬質板２２を、溝部辺１４１に可撓性の補
強片３を埋込み成形したことを特徴とする靴底用発泡ミ
ツドソールを発明の要旨とするものである。(Means for Solving the Problems) If explained below with reference to the drawings, the present invention
A bending groove 14 is provided in the transverse direction between the treading rear part 13 and the treading rear part 13, and a hard plate 21 is attached to the non-treading part 12 through the bending groove 14, a hard plate 22 is attached to the treading rear part 13, and the groove side 141 The gist of the invention is a foamed midsole for shoe soles characterized by having a flexible reinforcing piece 3 embedded therein.
この発明において、ミツドソール１はゴム発泡体、ＥＶ
Ａ、ポリウレタン等の合成樹脂発泡体で構成され、その
不踏部１２と踏付後部１３との間に短手方向に単数また
は複数本の溝２が設けられている。この溝２はミツドソ
ールの上面に設けられていてもよいし、その下面に設け
られていてもよい。In this invention, the midsole 1 is made of rubber foam, EV
A. It is made of synthetic resin foam such as polyurethane, and one or more grooves 2 are provided in the transverse direction between the non-stepping part 12 and the stepping rear part 13. This groove 2 may be provided on the upper surface of the midsole, or may be provided on the lower surface thereof.
そしてミツドソールの不踏部１２と踏付後部１３に埋込
まれる硬質板２１．２２は、エポキシ樹脂、ＡＢＳ樹脂
、ポリエステル樹脂、アクリル樹脂、ポリアミド樹脂、
フェノール樹脂、メラミン樹脂、ジアリルフタレート樹
脂、繊維強化プラスチック等の合成樹脂板または金属板
等で構成され、必要によってはそれらの長手方向に補強
リブ２１２・・・、２２２・・を設けておくこともでき
る。そして溝部辺１４１に埋込まれる可撓性の補強片３
は布帛、皮革、ゴムまたは合成樹脂シートで構成されて
いる。The hard plates 21 and 22 embedded in the non-stepping part 12 and the stepping rear part 13 of the midsole are made of epoxy resin, ABS resin, polyester resin, acrylic resin, polyamide resin,
It is composed of a synthetic resin plate such as phenol resin, melamine resin, diallyl phthalate resin, fiber-reinforced plastic, or a metal plate, and if necessary, reinforcing ribs 212, 222, etc. may be provided in the longitudinal direction thereof. can. A flexible reinforcing piece 3 embedded in the groove side 141
are made of fabric, leather, rubber or synthetic resin sheets.
これらの硬質板２１．２２、補強片３はミツドソール成
形時に埋込み成形することができる。埋込み成形は、例
えば成形型５の底部に形成された溝成形突起５１を介し
て不踏部１２成形部に硬質板２１を、踏付後部１３成形
部に硬質板２２をそれぞれセットし、さらに溝成形突起
５１を被覆し、硬質板２１の先端辺２１１から硬質板２
２の後端辺２２１にかけて可撓性の補強片３を被覆セッ
トして、モールドキャビティに発泡性のミツドソール成
形材を導入して、これを発泡成形することによって、硬
質板２１．２２、可撓性の補強片３をミツドソール成形
時にミツドソール１に埋込み成形することができる。硬
質板２１の先端辺２１１と硬質板２２の後端辺２２１を
予め可撓性の補強片３を介して接合しておけば、これら
を同時に成形型５にセットすることができるので、成形
作業が能率的で簡便である。These hard plates 21, 22 and reinforcing pieces 3 can be embedded during molding of the midsole. In the embedding molding, for example, a hard plate 21 is set in the non-treading part 12 molding part and a hard plate 22 is set in the treading rear part 13 molding part via the groove molding protrusion 51 formed on the bottom of the mold 5, and then the hard plate 22 is set in the molded part of the treading rear part 13. The molded protrusion 51 is covered, and the hard plate 2
A flexible reinforcing piece 3 is set to cover the rear end side 221 of the hard plate 21, 22, a foamable midsole molding material is introduced into the mold cavity, and this is foam-molded. The reinforcing piece 3 can be embedded into the midsole 1 during molding of the midsole. If the front end side 211 of the hard plate 21 and the rear end side 221 of the hard plate 22 are joined in advance via the flexible reinforcing piece 3, these can be set in the mold 5 at the same time, so that the molding operation is easy. is efficient and simple.
この発明の発泡ミツドソールはその底部にアウトソール
を装着することにより靴底として完成されるものである
。The foamed midsole of this invention is completed as a shoe sole by attaching an outsole to the bottom of the foamed midsole.
（発明の作用効果）
この発明は１以上のように構成されているので、これを
使用した靴を着用して歩行、走行する際、足の自然な動
きにおいて足の踵部が回内または口外する場合、屈曲溝
１を境として屈曲され、ミツドソールの不踏部１２と踏
付後部１３との捻じれが許容され、しかもミツドソール
の不踏部１２と踏付後部１３には、それぞれ硬質板２１
と硬質板２２が埋込まれているので、これらの部分での
ミツドソールの外側辺ａまたは内側辺すでの部分的な過
度の圧縮が制限され、しかもこれらの部分で硬質板２１
と硬質板２２がスタビライザー（安定板）として作用す
るため、ミツドソールの不踏部１２とこの不踏部の後方
に隣接する踵部１１並びに踏付後部１３とこの前方に隣
接する踏付中央部１５での過度な回内ならびに回外が抑
制される。従って、歩行、走行時において足の自然な動
きが助長され、しかも足の過回内ならびに過回外が阻止
される。(Operations and Effects of the Invention) This invention is configured as described above, so that when walking or running while wearing shoes using the invention, the heel of the foot pronates or pronates during the natural movement of the foot. In this case, the midsole is bent at the bending groove 1 as a boundary, and the unstepped part 12 and the stepped rear part 13 of the midsole are allowed to twist.
Since the hard plates 22 and 22 are embedded, excessive local compression of the outer side a or the inner side of the midsole in these parts is restricted, and the hard plates 21 are embedded in these parts.
Since the hard plate 22 acts as a stabilizer, the non-treading part 12 of the midsole, the heel part 11 adjacent to the rear of this non-treading part, the treading rear part 13, and the treading center part 15 adjacent to the front thereof. Excessive pronation and supination are suppressed. Therefore, the natural movement of the foot during walking and running is promoted, and over-pronation and over-supination of the foot are prevented.
また屈曲溝部辺１４には、可撓性の補強片３が埋［され
ているので、屈曲溝２による屈曲性が阻害されることな
く、シかも屈曲溝２部分からのミツドソールの亀裂も阻
止され、耐久性に優れた発泡ミツドソールとすることが
できる。Furthermore, since the flexible reinforcing piece 3 is embedded in the bending groove side 14, the bending properties of the bending groove 2 are not inhibited, and cracks in the midsole from the bending groove 2 portion are also prevented. , it can be made into a foamed midsole with excellent durability.
図面は実施例を示すものであって、第１図は下面からみ
た発泡ミツドソールの見取り図であり、第２図は第１図
のＡ−Ａ線における断面図であり、第３図は第１図に示
す発泡ミツドソールの成形状態を示す要部断面図である
。
符合の説明
１、ミツドソール
１２・・・不踏部
１４・・・屈曲溝
１５・・・踏付中央部
２１１・・・先端辺
２２・・硬質板
２２２・・・補強リブ
５、成形型
５１・・・突起
ｂミツドソールの内側辺
１１・・・踵部
１３・・・踏付後部
１４・・・屈曲溝部辺
２１・・・硬質板
２１２・・・補強リブ
２２１・・・後端辺
３、補強片
ａミツドソールの外側辺The drawings show examples, and FIG. 1 is a sketch of the foamed midsole seen from the bottom, FIG. 2 is a cross-sectional view taken along line A-A in FIG. 1, and FIG. FIG. 2 is a cross-sectional view of essential parts showing a molded state of the foamed midsole shown in FIG. Explanation of the symbols 1, midsole 12...non-stepping part 14...bending groove 15...stepping center part 211...tip side 22...hard plate 222...reinforcement rib 5, mold 51... ... Inner side of protrusion b midsole 11 ... Heel part 13 ... Rear part of stepping 14 ... Bend groove side 21 ... Hard plate 212 ... Reinforcement rib 221 ... Rear end side 3, reinforcement Outer side of single A midsole
Claims (1)
４を設け、該屈曲溝１４を介して不踏部１２に硬質板２
１を、踏付後部１３に硬質板２２を、溝部辺１４１に可
撓性の補強片３を埋込み成形したことを特徴とする靴底
用発泡ミッドソール。A bending groove 1 is provided in the transverse direction between the non-stepping part 12 and the stepping rear part 13.
4 is provided, and a hard plate 2 is attached to the non-stepping part 12 through the bending groove 14.
1, a foamed midsole for shoe soles is characterized in that a hard plate 22 is embedded in the treading rear part 13 and a flexible reinforcing piece 3 is embedded in the groove side 141.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321990A JPH0624482B2 (en) | 1990-07-20 | 1990-07-20 | Foam midsole for shoe sole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321990A JPH0624482B2 (en) | 1990-07-20 | 1990-07-20 | Foam midsole for shoe sole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0479901A true JPH0479901A (en) | 1992-03-13 |
| JPH0624482B2 JPH0624482B2 (en) | 1994-04-06 |
Family
ID=16304296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19321990A Expired - Lifetime JPH0624482B2 (en) | 1990-07-20 | 1990-07-20 | Foam midsole for shoe sole |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624482B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009142637A (en) * | 2007-12-13 | 2009-07-02 | Ryn Korea Co Ltd | Midsole of special footwear for masai walking |
| JP2009165814A (en) * | 2008-01-18 | 2009-07-30 | Ryn Korea Co Ltd | Midsole of masai walking specialized shoes |
| WO2011125959A1 (en) * | 2010-04-02 | 2011-10-13 | 美津濃株式会社 | Sole structure for shoe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014236886A (en) * | 2013-06-08 | 2014-12-18 | 美津濃株式会社 | Sole structure of shoe |
-
1990
- 1990-07-20 JP JP19321990A patent/JPH0624482B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009142637A (en) * | 2007-12-13 | 2009-07-02 | Ryn Korea Co Ltd | Midsole of special footwear for masai walking |
| JP2009165814A (en) * | 2008-01-18 | 2009-07-30 | Ryn Korea Co Ltd | Midsole of masai walking specialized shoes |
| WO2011125959A1 (en) * | 2010-04-02 | 2011-10-13 | 美津濃株式会社 | Sole structure for shoe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624482B2 (en) | 1994-04-06 |
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