JPH07265103A - Sole and manufacture of the same - Google Patents
Sole and manufacture of the sameInfo
- Publication number
- JPH07265103A JPH07265103A JP5352015A JP35201593A JPH07265103A JP H07265103 A JPH07265103 A JP H07265103A JP 5352015 A JP5352015 A JP 5352015A JP 35201593 A JP35201593 A JP 35201593A JP H07265103 A JPH07265103 A JP H07265103A
- Authority
- JP
- Japan
- Prior art keywords
- outsole
- concave
- midsole
- mold
- uneven
- 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
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、接地面に凹凸状の意匠
的パターンを有する安全靴、作業靴等に用いる靴底及び
その製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shoe sole for use in safety shoes, work shoes, etc. having an uneven design pattern on a grounding surface and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】通常の安全靴・作業靴等は図８の一部切
欠側面図、図９のＡ−Ａ線に沿った拡大断面図に示すよ
うに、発泡ポリウレタンから成る高密度のアウトソール
１上に積層され、同様に発泡ポリウレタンから成る低密
度のミッドソール２を介して、甲部３が接着された構成
とされている。そして、アウトソール１の接地面には滑
り止め部４及び滑り止めを兼ねた意匠的なパターンを有
する凹凸パターン部５が設けられている。2. Description of the Related Art Ordinary safety shoes, work shoes and the like are shown in a partially cutaway side view of FIG. 8 and an enlarged sectional view taken along line AA of FIG. The upper part 3 is laminated on the upper part 1 and is similarly bonded to the upper part 3 via a low density midsole 2 which is also made of foamed polyurethane. Further, on the ground contact surface of the outsole 1, there are provided an anti-slip part 4 and an uneven pattern part 5 having a design pattern which also serves as an anti-slip.
【０００３】このようなアウトソール１は、例えば図１
０に示すように下型６と両側型７、８と上型９との間に
発泡ポリウレタンが射出され、これらの間で加圧されて
成形される。ここで、下型６の上面には滑り止め部４及
び凹凸パターン部５の外形を形成するための凹凸部６
ａ、６ｂが刻設されており、一方で上型９の下面は平坦
面９ａとされている。Such an outsole 1 is shown in FIG.
As shown in FIG. 0, foamed polyurethane is injected between the lower mold 6, the both side molds 7 and 8, and the upper mold 9, and a pressure is applied between them to mold. Here, the upper and lower surfaces of the lower mold 6 are provided with a concave-convex portion 6 for forming the contours of the anti-slip portion 4 and the concave-convex pattern portion 5.
a and 6b are engraved, while the lower surface of the upper die 9 is a flat surface 9a.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら上述した
実施例においては、下型６の凹凸部６ａ、６ｂに発泡ポ
リウレタンが射出され加圧された際に、滑り止め部４や
凹凸パターン部５におけるアウトソール１の厚みが不揃
いのために、接地面に均一な圧力が加わらず、特に角部
においては凹部６ａ、６ｂ内の一部の空気が排出されず
に残留し、滑り止め部４や凹凸パターン部５のエッジ部
に欠落Ｆが発生し、意匠的な見栄えを損なうという問題
点がある。また、凹凸部６ａ、６ｂ内の空気が発泡ポリ
ウレタンの表面を陥没させるという欠点もある。However, in the above-described embodiment, when the polyurethane foam is injected into the concave and convex portions 6a and 6b of the lower mold 6 and is pressed, the slip-out preventing portion 4 and the concave and convex pattern portion 5 are exposed. Due to the uneven thickness of the sole 1, even pressure is not applied to the ground contact surface, and in particular, at the corners, some of the air in the recesses 6a and 6b remains without being discharged, and the anti-slip portion 4 and the uneven pattern are formed. There is a problem that a missing portion F occurs at the edge portion of the portion 5 and the design appearance is impaired. Further, there is a drawback that the air in the uneven portions 6a and 6b causes the surface of the foamed polyurethane to be depressed.
【０００５】更に、欠落や陥没を防止するために発泡ポ
リウレタンの注入量や射出圧を増加すると、発泡ポリウ
レタンの消費量が増えてコスト高になるばかりでなく、
軽さを失うという問題点がある。Further, if the injection amount and injection pressure of the foamed polyurethane are increased to prevent chipping or depression, not only the consumption of the foamed polyurethane increases but the cost also rises.
There is a problem of losing lightness.
【０００６】本発明の目的は、上述した問題点を解消
し、発泡ポリウレタンの射出圧や消費量を増加すること
なく、凹凸パターン部に欠落がない外観の優れた靴底及
びその製造方法を提供することにある。An object of the present invention is to solve the above-mentioned problems, and to provide a shoe sole having an excellent appearance in which the concave and convex pattern portion is not missing and a method for producing the same, without increasing the injection pressure and the consumption of the polyurethane foam. To do.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
の本発明に係る靴底は、第１の合成樹脂又は合成ゴムか
ら成り接地面を有するアウトソールの上に、第２の合成
樹脂から成るミッドソールを積層した靴底において、前
記接地面に凹凸パターン部を設け、前記アウトソールと
ミッドソールとの境界部を前記凹凸パターン部にほぼ沿
った凹凸部としたことを特徴とする。A shoe sole according to the present invention for achieving the above object comprises an outsole made of a first synthetic resin or synthetic rubber and having a grounding surface, and a second synthetic resin. In a shoe sole in which the midsole is laminated, a concavo-convex pattern portion is provided on the ground contact surface, and a boundary portion between the outsole and the midsole is a concavo-convex portion substantially along the concavo-convex pattern portion.
【０００８】また、上記特定発明に関連する靴底の製造
方法は、第１の合成樹脂又は合成ゴムから成り接地面を
有するアウトソールの上に、第２の合成樹脂から成るミ
ッドソールを積層した靴底を製造する場合において、前
記接地面に凹凸パターン部の凸部を成形するための凹部
を有する下型と前記アウトソールとミッドソールとの境
界部を前記凹凸パターン部にほぼ沿った凹凸部の凹部を
成形するための凸部を有する上型との間に前記第１の合
成樹脂を射出成形する工程と、前記上型と下型の少なく
とも一方を移動させて前記アウトソールを所定の厚さに
加圧成形する工程と、前記凹凸部の凹部を含む前記アウ
トソールの上面に前記第２の合成樹脂を射出成形する工
程とから成ることを特徴とする。Further, in the method of manufacturing a shoe sole according to the above specified invention, the midsole made of the second synthetic resin is laminated on the outsole made of the first synthetic resin or synthetic rubber and having the ground contact surface. In the case of manufacturing a shoe sole, the lower mold having a concave portion for molding the convex portion of the concave-convex pattern portion on the grounding surface and the concave-convex portion substantially along the concave-convex pattern portion at the boundary portion between the outsole and the midsole. The injection molding of the first synthetic resin between the upper mold and the upper mold having a convex portion for molding the concave portion, and moving the at least one of the upper mold and the lower mold to make the outsole have a predetermined thickness. And a step of injection-molding the second synthetic resin on the upper surface of the outsole including the concave portion of the concave-convex portion.
【０００９】[0009]
【作用】上述の構成を有する靴底においては、アウトソ
ールの凹凸パターン部にならってミッドソールとの境界
面を凹凸部としたので、成形時に凹凸パターン部の角部
においても十分な加圧がなされ、空気が仮に残っても均
一に分散し欠落部を生ずることがない。In the shoe sole having the above-mentioned structure, since the boundary surface with the midsole is made into an uneven portion following the uneven pattern portion of the outsole, sufficient pressure can be applied even at the corners of the uneven pattern portion during molding. Even if the air remains, the air is evenly dispersed and the missing portion does not occur.
【００１０】また、本発明に係る発泡ポリウレタン製靴
の製造方法にいては、上型と下型の間に第１の合成樹脂
又は合成ゴムを射出すると下型の凹部に流入してアウト
ソールの凹部パターン部を含む接地面がほぼ成形され、
次に一方の金型を移動させてアウトソールを所定の厚さ
に加圧すると、上型の凸部が下型の凹部内に所定の間隔
を有して圧入して、アウトソールの接地面を均一に押圧
する。これにより、下型の凹部に残留していた空気は全
方向へ均一に分散することになり、その後にアウトソー
ルの上に第２の合成樹脂を射出するとアウトソール上面
の凹部に流入し、ミッドソールが成形される。Further, in the method for manufacturing the foamed polyurethane shoe according to the present invention, when the first synthetic resin or the synthetic rubber is injected between the upper mold and the lower mold, the first synthetic resin or synthetic rubber flows into the concave part of the lower mold and becomes the concave part of the outsole. The ground plane including the pattern part is almost molded,
Next, when one mold is moved and the outsole is pressed to a predetermined thickness, the convex part of the upper mold is press-fitted into the concave part of the lower mold with a predetermined gap, and the ground surface of the outsole is pressed. Press uniformly. As a result, the air remaining in the recess of the lower mold is uniformly dispersed in all directions, and when the second synthetic resin is subsequently injected onto the outsole, it flows into the recess of the upper surface of the outsole, and the mids The sole is molded.
【００１１】[0011]
【実施例】本発明を図１〜図７に図示の実施例に基づい
て詳細に説明する。図１は第１の実施例の靴底を用いた
靴の切欠側面図、図２は図１のＢ−Ｂ線に沿った拡大断
面図である。靴底の接地面となるアウトソール１１は例
えば発泡ポリウレタンにより高密度に射出成形され、こ
のアウトソール１１の上には低密度の例えば発泡ポリウ
レタンから成るミッドソール１２を介して甲部１３が設
けられている。アウトソール１１の踏付け主要部の接地
面には意匠的なパターンから成る凹凸パターン部１４が
形成され、踵部を含むその他の部分には滑り止め部１５
が形成されている。ここで、凹凸パターン部１４が形成
されたアウトソール１１におけるアウトソール１１とミ
ッドソール１２との境界面は、凹凸パターン部１４に沿
った凹凸部とされている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail based on the embodiments shown in FIGS. FIG. 1 is a cutaway side view of a shoe using the shoe sole of the first embodiment, and FIG. 2 is an enlarged sectional view taken along line BB of FIG. The outsole 11, which serves as the ground contact surface of the shoe sole, is injection-molded at a high density with, for example, foamed polyurethane, and the instep part 13 is provided on the outsole 11 via a midsole 12 made of, for example, foamed polyurethane. ing. A concave-convex pattern portion 14 having a design pattern is formed on the ground contact surface of the main part of the outsole 11, and a non-slip portion 15 is formed on other portions including the heel portion.
Are formed. Here, the boundary surface between the outsole 11 and the midsole 12 in the outsole 11 on which the uneven pattern portion 14 is formed is an uneven portion along the uneven pattern portion 14.
【００１２】図３〜図５は第１の実施例の靴底の製造方
法及びその靴底を用いた安全靴・作業靴等を製造する工
程を示している。ここで用いられる金型として、図３に
示すように軸Ｃに回転自在に支持されたダミー金型１６
の下方には、下型１７が両側型１８、１９内を上下動自
在に設置されている。ダミー金型１６において、アーム
２０は軸Ｃに回転自在に支持され、アーム２０の一端は
上型２１とされ、アーム２０の他端は図４においてアー
ム２０が上下に反転した状態で示すように、甲部１３が
嵌め込まれた金型２２とされている。3 to 5 show a method of manufacturing a shoe sole according to the first embodiment and a step of manufacturing safety shoes, work shoes and the like using the shoe sole. As a mold used here, a dummy mold 16 rotatably supported on a shaft C as shown in FIG.
A lower mold 17 is installed below the inside of the two molds 18 and 19 so as to be vertically movable. In the dummy mold 16, the arm 20 is rotatably supported by the axis C, one end of the arm 20 is an upper mold 21, and the other end of the arm 20 is as shown in FIG. The die 22 is fitted with the instep part 13.
【００１３】下型１７には凹凸パターン部１４用の凹凸
部１７ａと、滑り止め部１５用の凹部１７ｂが形成さ
れ、上型２１には下型の凹凸部１７ａに沿った凹凸部２
１ａが形成されている。ここで、凹凸部１７ａと凹凸部
２１ａの間隔Ｄはほぼ一定とされている。The lower mold 17 is provided with a concave-convex portion 17a for the concave-convex pattern portion 14 and a concave portion 17b for the anti-slip portion 15, and the upper mold 21 has a concave-convex portion 2 along the concave-convex portion 17a of the lower mold.
1a is formed. Here, the interval D between the uneven portion 17a and the uneven portion 21a is substantially constant.
【００１４】アウトソール１１、ミッドソール１２を製
造する際には、図３に示すようにダミー金型１６の上型
２１を下型１７に対向させ、下型１７、両側型１８、１
９、上型２１の間にアウトソール１１用の発泡ポリウレ
タンを射出し、下型１７を上方向へ移動して発泡ポリウ
レタンを加圧する。次に、下型１７を下方に降下すると
共にアーム２０を反転し、図４に示すように甲部１３を
アウトソール１１に対面させる。そして、図５に示すよ
うに下型１７を再び上方へ移動し、アウトソール１１と
甲部１３の間にミッドソール１２用の発泡ポリウレタン
を射出し、アウトソール１１と甲部１３とをミッドソー
ル１２を介して接着すると共に外形を整える。これらの
工程により、図１に示すようなアウトソール１１、ミッ
ドソール１２、甲部１３から成る安全靴・作業靴等が製
造されることになる。When manufacturing the outsole 11 and the midsole 12, the upper mold 21 of the dummy mold 16 is opposed to the lower mold 17 as shown in FIG.
9. The polyurethane foam for the outsole 11 is injected between the upper mold 21 and the lower mold 17 is moved upward to pressurize the polyurethane foam. Next, the lower mold 17 is lowered and the arm 20 is inverted, so that the instep part 13 faces the outsole 11 as shown in FIG. Then, as shown in FIG. 5, the lower mold 17 is moved upward again, and the foamed polyurethane for the midsole 12 is injected between the outsole 11 and the instep part 13, so that the outsole 11 and the instep part 13 are in the midsole. Adhere via 12 and adjust the outer shape. Through these steps, safety shoes, work shoes, etc. including the outsole 11, the midsole 12, and the upper 13 as shown in FIG. 1 are manufactured.
【００１５】この場合のアウトソール１１の成形時に
は、上型２１の凹凸部２１ａにより凹凸パターン部１４
の発泡ポリウレタンに加えられる圧力は比較的均等な分
布となり、空気は均一に分散される結果、空気が一部に
残留することがなくなり、凹凸パターン部１４には欠落
などが生ずることはない。In molding the outsole 11 in this case, the concavo-convex pattern portion 14 is formed by the concavo-convex portion 21a of the upper die 21.
The pressure applied to the foamed polyurethane has a relatively uniform distribution, and the air is evenly distributed. As a result, the air does not remain in a part, and the concave-convex pattern portion 14 does not drop.
【００１６】図６は第２の実施例の靴底を用いた靴の切
欠側面図であり、アウトソール３１にミッドソール３２
を介して甲部１３が設けられ、かつアウトソール３１の
踏み付け主要部に意匠的パターンから成る凹凸パターン
部３４が形成されていることは第１の実施例と同様であ
る。しかしながら、この第２の実施例においては踵部に
も意匠的パターンから成る凹凸パターン部３５が形成さ
れている。FIG. 6 is a cutaway side view of a shoe using the shoe sole of the second embodiment, in which an outsole 31 and a midsole 32 are provided.
As in the first embodiment, the instep portion 13 is provided via the through-hole, and the concave-convex pattern portion 34 formed of a design pattern is formed on the main portion of the outsole 31 that is stepped on. However, in the second embodiment, the uneven pattern portion 35 having a design pattern is also formed on the heel portion.
【００１７】従って、図７に示すようにアウトソール３
１を成形する上型４１には、下型１７の凹凸部１７ａに
沿った凹凸部４１ａに加え、下型１７の凹凸部１７ｂに
沿った凹凸部４１ｂが形成されている。Therefore, as shown in FIG. 7, the outsole 3
The upper die 41 for molding 1 is provided with the uneven portion 41a along the uneven portion 17a of the lower die 17 and the uneven portion 41b along the uneven portion 17b of the lower die 17.
【００１８】この第２の実施例においては、第１の実施
例と同様な作用効果を得ることができる上に、踵部にも
凹凸パターン３５が形成されたため、アウトソール３１
の成形時には、上型４１の凹凸部４１ｂによる発泡ポリ
ウレタンに対する作用も凹凸部４１ａによる作用と同様
になり、凹凸パターン部３５には欠落等が生ずることが
ない。In the second embodiment, the same effect as that of the first embodiment can be obtained, and the uneven pattern 35 is formed on the heel portion.
At the time of molding, the action of the uneven portion 41b of the upper die 41 on the foamed polyurethane is the same as the action of the uneven portion 41a, and the uneven pattern portion 35 does not have a dropout or the like.
【００１９】また、第１及び第２の実施例において、発
泡ポリウレタンによる凹凸パターン部１４、３４、３５
のアウトソール１１、３１の厚さＤが、例えば２ｍｍ未
満である場合にはアウトソール１１、３１の耐久性に悪
影響を及ぼし、厚さＤが例えば４ｍｍを越えると圧力を
均一に加える効果が少なくなり、空気溜りが発生するこ
とが認められている。従って、下型１７の凹凸部１７ａ
の形状と上型２１の凹凸部２１ａの形状を対応させ、か
つ下型１７の凹凸部１７ｂの形状と上型４１の凹凸部４
１ｂの形状を対応させて、凹凸パターン部１４、３４、
３５における厚みＤを２〜４ｍｍ内のほぼ一定厚みとす
ることが好ましい。In addition, in the first and second embodiments, the concavo-convex pattern portions 14, 34, 35 made of polyurethane foam are used.
When the thickness D of the outsole 11, 31 is less than 2 mm, for example, the durability of the outsole 11, 31 is adversely affected, and when the thickness D exceeds 4 mm, the effect of uniformly applying pressure is small. It has been confirmed that air pockets will occur. Therefore, the uneven portion 17a of the lower die 17
And the shape of the concavo-convex portion 21a of the upper mold 21, and the shape of the concavo-convex portion 17b of the lower mold 17 and the concavo-convex portion 4 of the upper mold 41.
Corresponding to the shape of 1b, the uneven pattern portions 14, 34,
It is preferable that the thickness D at 35 be substantially constant within 2 to 4 mm.
【００２０】そして、発泡ポリウレタンを金型内に射出
するための図示しない射出ゲートを踵部に設けた場合に
は、発泡ポリウレタンは踵部に近い程早く流れ、踏付け
主要部や爪先部に空気溜りが発生し易くなるため、射出
ゲートは凹凸パターン部１４、３４を設けた踏付け主要
部や爪先部に設けることが望ましい。When an injection gate (not shown) for injecting the foamed polyurethane into the mold is provided in the heel part, the foamed polyurethane flows faster as it approaches the heel part, and air flows to the main part of the step and the toe part. Since an accumulation is likely to occur, it is desirable that the injection gate be provided on the main part of the stepping on which the concavo-convex pattern portions 14 and 34 are provided or on the toe portion.
【００２１】なお、アウトソール、ミッドソールの材料
を発泡ポリウレタンとしたが、アウトソールについては
他の合成樹脂又は合成ゴムとしてもよく、ミッドソール
は他の合成樹脂としてもよい。更には、靴底に関して
は、アウトソール、ミッドソールを順次に射出成形する
のではなく、別個に製造したアウトソールに対して、ミ
ッドソールを射出成形するようにしてもよい。Although the material of the outsole and the midsole is polyurethane foam, the outsole may be another synthetic resin or synthetic rubber, and the midsole may be another synthetic resin. Further, as for the sole, the outsole and the midsole may not be sequentially injection-molded, but the midsole may be injection-molded with respect to the separately manufactured outsole.
【００２２】[0022]
【発明の効果】以上説明したように本発明に係る靴底に
あっては、加圧成形時に加圧力が均一化され凹凸パター
ン部の周囲の空気が均一に分散するため、空気が一部に
残留することがなくなり、アウトソールの接地面に欠落
や陥没が生ずることがなく機能、外観が良好となる。ま
た、アウトソールとミッドソールとの境界面を凹凸状と
したため接着力が向上し、更には従来の高密度のアウト
ソール部に低密度のミッドソール部が入り込むことにな
り材料の使用量の削減ともなる。また、欠落の発生もな
いために材料の注入量や射出圧を上げる必要がなく、材
料の使用量を抑えコストが低下する。更に、凹凸パター
ン部のミッドソールの厚さが増し、その分アウトソール
の厚さが減ることになるため、クッション性が向上する
と共に柔軟性が向上し、地面への喰い付きも良くなって
耐滑性も向上する。As described above, in the shoe sole according to the present invention, since the pressing force is made uniform during the pressure molding and the air around the concavo-convex pattern portion is uniformly dispersed, the air is partially distributed. It does not remain, and the function and appearance of the outsole are improved without any loss or depression on the ground contact surface. Also, because the boundary surface between the outsole and the midsole is made uneven, the adhesive strength is improved, and the low-density midsole part enters the conventional high-density outsole part, reducing the amount of material used. Will also be. Further, since there is no occurrence of chipping, it is not necessary to increase the injection amount or injection pressure of the material, which suppresses the amount of material used and reduces the cost. Furthermore, the thickness of the midsole of the uneven pattern portion is increased, and the thickness of the outsole is reduced accordingly, so that the cushioning property is improved and the flexibility is improved, the biting on the ground is also improved and the slip resistance is improved. The property is also improved.
【００２３】また、本発明に係る靴底の製造方法におい
ては、上型の凸部が下型の凹部所定の間隔を有して圧入
し、アウトソールの接地面を均一に加圧するため下型の
凹部内の空気が均一に分散して空気が一部に残留するこ
とがなくなり、アウトソールの接地面に欠落や陥没が生
ずることがなく機能、外観が良好となる。また、材料の
注入量や射出圧を上げる必要がないため、材料の使用量
を抑えコストが低下する。Further, in the method for manufacturing a shoe sole according to the present invention, the upper mold is press-fitted with the lower mold recess having a predetermined interval to uniformly press the ground contact surface of the outsole. The air in the concave portion is not evenly dispersed and a part of the air does not remain, and the function and the appearance are improved without causing a loss or a depression in the ground contact surface of the outsole. Further, since it is not necessary to increase the injection amount or injection pressure of the material, the amount of the material used is suppressed and the cost is reduced.
【図１】第１の実施例を用いた靴の要部切欠側面図であ
る。FIG. 1 is a cutaway side view of essential parts of a shoe using a first embodiment.
【図２】図１のＢ−Ｂ線に沿った拡大断面図である。FIG. 2 is an enlarged cross-sectional view taken along the line BB of FIG.
【図３】第１の実施例のアウトソールを射出成形するた
めの金型の一部断面図である。FIG. 3 is a partial cross-sectional view of a mold for injection molding the outsole of the first embodiment.
【図４】靴の製造工程の説明図である。FIG. 4 is an explanatory diagram of a shoe manufacturing process.
【図５】靴の製造工程の説明図である。FIG. 5 is an explanatory diagram of a shoe manufacturing process.
【図６】第２の実施例を用いた靴の要部切欠側面図であ
る。FIG. 6 is a cutaway side view of essential parts of a shoe using a second embodiment.
【図７】第２の実施例のアウトソールを射出成形するた
めの金型の一部断面図である。FIG. 7 is a partial cross-sectional view of a mold for injection molding the outsole of the second embodiment.
【図８】従来例の靴の一部切欠側面図である。FIG. 8 is a partially cutaway side view of a conventional shoe.
【図９】図８のＡ−Ａ線に沿った拡大断面図である。9 is an enlarged cross-sectional view taken along the line AA of FIG.
【図１０】アウトソールを射出成形する金型の構成図で
ある。FIG. 10 is a configuration diagram of a mold for injection molding the outsole.
１１、３１ アウトソール １２、３２ ミッドソール １３ 甲部 １４、３４、３５ 凹凸パターン部 １６ ダミー金型 １７ 下型 １８、１９ 側型 ２１、４１ 上型 ２２ 甲部金型 11, 31 Outsole 12, 32 Midsole 13 Upper part 14, 34, 35 Concavo-convex pattern part 16 Dummy mold 17 Lower mold 18, 19 Side mold 21, 41 Upper mold 22 Upper mold
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｃ 45/16 8823−4Ｆ 45/26 7415−4Ｆ 69/02 2126−4Ｆ // Ｂ２９Ｌ 31:50 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location B29C 45/16 8823-4F 45/26 7415-4F 69/02 2126-4F // B29L 31:50
Claims (3)
地面を有するアウトソールの上に、第２の合成樹脂から
成るミッドソールを積層した靴底において、前記接地面
に凹凸パターン部を設け、前記アウトソールとミッドソ
ールとの境界部を前記凹凸パターン部にほぼ沿った凹凸
部としたことを特徴とする靴底。1. In a shoe sole having a midsole made of a second synthetic resin laminated on an outsole made of a first synthetic resin or synthetic rubber and having a grounding surface, an uneven pattern portion is provided on the grounding surface. The sole, wherein the boundary portion between the outsole and the midsole is an uneven portion that is substantially along the uneven pattern portion.
トソールの厚みは２〜４ｍｍとした請求項１に記載の靴
底。2. The shoe sole according to claim 1, wherein the outsole has a thickness of 2 to 4 mm in the uneven pattern portion.
地面を有するアウトソールの上に、第２の合成樹脂から
成るミッドソールを積層した靴底を製造する場合におい
て、前記接地面に凹凸パターン部の凸部を成形するため
の凹部を有する下型と前記アウトソールとミッドソール
との境界部を前記凹凸パターン部にほぼ沿った凹凸部の
凹部を成形するための凸部を有する上型との間に前記第
１の合成樹脂を射出成形する工程と、前記上型と下型の
少なくとも一方を移動させて前記アウトソールを所定の
厚さに加圧成形する工程と、前記凹凸部の凹部を含む前
記アウトソールの上面に前記第２の合成樹脂を射出成形
する工程とから成ることを特徴とする靴底の製造方法。3. When manufacturing a shoe sole in which a midsole made of a second synthetic resin is laminated on an outsole made of a first synthetic resin or synthetic rubber and having a grounding surface, unevenness is provided on the ground surface. A lower mold having a concave portion for molding a convex portion of a pattern portion and an upper mold having a convex portion for molding a concave portion of a concave and convex portion substantially along the concave and convex pattern portion at a boundary portion between the outsole and the midsole. A step of injection-molding the first synthetic resin between, and a step of moving at least one of the upper mold and the lower mold to press-mold the outsole to a predetermined thickness; And a step of injection-molding the second synthetic resin on the upper surface of the outsole including the concave portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5352015A JPH07265103A (en) | 1993-12-28 | 1993-12-28 | Sole and manufacture of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5352015A JPH07265103A (en) | 1993-12-28 | 1993-12-28 | Sole and manufacture of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07265103A true JPH07265103A (en) | 1995-10-17 |
Family
ID=18421201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5352015A Pending JPH07265103A (en) | 1993-12-28 | 1993-12-28 | Sole and manufacture of the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07265103A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015052814A1 (en) | 2013-10-10 | 2015-04-16 | 株式会社アシックス | Shoe sole |
| JP2020011087A (en) * | 2012-04-13 | 2020-01-23 | アディダス アーゲー | Soles for sports shoes |
| KR20210118362A (en) * | 2020-03-20 | 2021-09-30 | 킹 스틸 머쉬너리 씨오., 엘티디. | Injection molding method |
| US11213093B2 (en) | 2013-02-13 | 2022-01-04 | Adidas Ag | Cushioning element for sports apparel |
| KR102644498B1 (en) * | 2022-08-30 | 2024-03-07 | 주식회사 다경산업 | Eco-friendly shoes using waste pet bottle and manufacturing method thereof |
-
1993
- 1993-12-28 JP JP5352015A patent/JPH07265103A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020011087A (en) * | 2012-04-13 | 2020-01-23 | アディダス アーゲー | Soles for sports shoes |
| US11707108B2 (en) | 2012-04-13 | 2023-07-25 | Adidas Ag | Soles for sports shoes |
| US11213093B2 (en) | 2013-02-13 | 2022-01-04 | Adidas Ag | Cushioning element for sports apparel |
| WO2015052814A1 (en) | 2013-10-10 | 2015-04-16 | 株式会社アシックス | Shoe sole |
| JP6055554B2 (en) * | 2013-10-10 | 2016-12-27 | 株式会社アシックス | Shoe sole |
| US9867427B2 (en) | 2013-10-10 | 2018-01-16 | Asics Corporation | Shoe sole |
| KR20210118362A (en) * | 2020-03-20 | 2021-09-30 | 킹 스틸 머쉬너리 씨오., 엘티디. | Injection molding method |
| KR102644498B1 (en) * | 2022-08-30 | 2024-03-07 | 주식회사 다경산업 | Eco-friendly shoes using waste pet bottle and manufacturing method thereof |
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