JPH05176803A - Injection-molded shoe and its manufacture - Google Patents
Injection-molded shoe and its manufactureInfo
- Publication number
- JPH05176803A JPH05176803A JP3358051A JP35805191A JPH05176803A JP H05176803 A JPH05176803 A JP H05176803A JP 3358051 A JP3358051 A JP 3358051A JP 35805191 A JP35805191 A JP 35805191A JP H05176803 A JPH05176803 A JP H05176803A
- Authority
- JP
- Japan
- Prior art keywords
- air cushion
- cushion material
- shoe
- mold
- injection
- 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.)
- Withdrawn
Links
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (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、接地時におけるグリッ
プ力が強く、かつ靴底の或る部分に設けたエアクッショ
ン材の着地時における衝撃吸収を利用して靴底の他の部
分に設けたエアクッション材の反発弾性をより効果的に
発揮させることができる射出成形靴とその製造方法に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a strong gripping force at the time of contact with the ground, and the shock absorbing property at the time of landing of the air cushion material provided on a certain part of the shoe sole is utilized to provide the other portion of the shoe sole. The present invention also relates to an injection-molded shoe capable of more effectively exerting the impact resilience of an air cushion material and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】近年、靴の軽量化や機能向上などを図る
ため、靴底内にエアクッション材を埋設することが行わ
れている。2. Description of the Related Art In recent years, in order to reduce the weight of shoes and improve their functions, an air cushion material is embedded in the sole of the shoe.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来は、上記
のように、エアクッション材が靴底内に埋設されている
ため、接地時におけるグリップ力が必ずしも強くなかっ
た。However, conventionally, since the air cushion material is embedded in the shoe sole as described above, the grip force at the time of contact with the ground is not necessarily strong.
【０００４】一方、エアクッション材は、靴の踵部内に
埋設される場合が多いが、例えば踵部と踏付部の２つの
箇所にそれぞれ設置することも考えられる。しかし、こ
れらの箇所にエアクッション材を単に設置したのでは、
個々のエアクッション材を個々に機能させるだけであっ
て踵部に設けたエアクッション材の着地時における衝撃
吸収を利用して踏付部に設けたエアクッション材の反発
弾性をより効果的に発揮させることができない。On the other hand, the air cushion material is often embedded in the heel portion of the shoe, but it may be possible to install the air cushion material at two places, for example, the heel portion and the stepping portion. However, simply installing the air cushion material in these places,
Only by making each air cushion material function individually, the impact absorption of the air cushion material provided on the heel part is utilized to more effectively exert the repulsion elasticity of the air cushion material provided on the tread part. I can't let you do it.
【０００５】本発明は、かかる見地に基づいてなされた
ものであり、その目的は、接地時におけるグリップ力の
向上を図るとともに、靴底の或る部分に設けたエアクッ
ション材の着地時における衝撃吸収を利用して靴底の他
の部分に設けたエアクッショ材の反発弾性をより効果的
に発揮させることができる射出成形靴とその製造方法を
提供することにある。The present invention has been made on the basis of this point of view, and an object thereof is to improve the grip force at the time of contact with the ground and to give an impact at the time of landing of an air cushion material provided on a part of the sole of the shoe. An object of the present invention is to provide an injection-molded shoe and a manufacturing method thereof that can more effectively exert the repulsion elasticity of the air cushion material provided on the other portion of the shoe sole by utilizing absorption.
【０００６】[0006]
【課題を解決するための手段】本発明は、靴底に、その
靴底面より突出した少なくとも２つのエアクッション材
を設けるとともに、これらのエアクッション材同士を連
通部を介して互いに連通させるようにしたことを特徴と
する射出成形靴を提供するものである。According to the present invention, a shoe sole is provided with at least two air cushion materials protruding from the sole surface thereof, and these air cushion materials are made to communicate with each other through a communicating portion. The present invention provides an injection-molded shoe characterized by the above.
【０００７】また、本発明は、少なくとも２つのエアク
ッション材とこれらのエアクッション材同士を互い連通
させる連通部とを成形したのち、胛被の中底下面に成形
したベース部に前記エアクッション材と前記連通部とを
接合させたことを特徴とする射出成形靴の製造方法を提
供するものである。Further, according to the present invention, at least two air cushion materials and a communicating portion for communicating these air cushion materials with each other are formed, and then the air cushion material is formed on the base portion formed on the lower surface of the midsole of the cover. The present invention provides a method for manufacturing an injection-molded shoe, characterized in that the and the communication part are joined together.
【０００８】[0008]
【作用】このようにエアクッション材を意匠面として靴
底面より突出させることにより、接地時におけるグリッ
プ力を飛躍的に向上できる。さらに、エアクッション材
同士を連通部を介して互いに連通させることにより、靴
底の或る部分に設けたエアクッション材の着地時におけ
る衝撃吸収を利用して靴底の他の部分に設けたエアクッ
ショ材の反発弾性をより効果的に発揮させることができ
る。As described above, by making the air cushion material project from the bottom surface of the shoe as the design surface, the grip force at the time of ground contact can be dramatically improved. Further, by communicating the air cushion materials with each other through the communicating portion, the air cushion provided on the other portion of the shoe sole is utilized by utilizing the shock absorption at the time of landing of the air cushion material provided on the certain portion of the shoe sole. The impact resilience of the material can be exhibited more effectively.
【０００９】一方、少なくとも２つのエアクッション材
とこれらのエアクッション材同士を互い連通させる連通
部とを成形したのち、胛被の中底下面に成形したベース
部に前記エアクッション材と前記連通部とを接合させる
ことにより、上記の利点を持つ射出成形靴を効率的に、
かつ安価に成形できる。On the other hand, after molding at least two air cushion materials and a communicating portion for communicating these air cushion materials with each other, the air cushion material and the communicating portion are formed on the base portion formed on the lower surface of the insole of the cover. By joining and, the injection-molded shoes with the above advantages can be efficiently used.
And it can be formed at low cost.
【００１０】[0010]
【実施例】以下、図面により本発明の実施例を説明す
る。なお、この実施例では、踵部と踏付部にエアクッシ
ョン材を設けた場合を例に採る。Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the case where the air cushion material is provided on the heel portion and the stepped portion is taken as an example.
【００１１】図１および図２において、１０は、射出成
形靴であり、この靴１０は、踵部１１と踏付部１２に意
匠面として靴底面１３ａより突出したエアクッション材
１４および１５を有している。踵部１１に取り付けたエ
アクッション材１４は、平面視でＵ字状または馬蹄形状
（図１参照）をなし、その開口部側が爪先方向を向くよ
うに配置されている。一方、踏付部１２に取り付けたエ
アクッション材１５は、平面視でほぼ円弧状をなし、靴
底を横切るように配置されている。さらに、踵部のエア
クッション材１４の外側端と踏付部のエアクッション材
１５の内側端は、横断面がエアクッション材１４、１５
の横断面より小さい連通部１６によって互いに連通する
ようになっている。In FIGS. 1 and 2, reference numeral 10 denotes an injection-molded shoe, and the shoe 10 has air cushion materials 14 and 15 on a heel portion 11 and a tread portion 12 which project from a shoe bottom surface 13a as design surfaces. is doing. The air cushion material 14 attached to the heel portion 11 has a U shape or a horseshoe shape (see FIG. 1) in a plan view, and is arranged so that its opening side faces the toe direction. On the other hand, the air cushion material 15 attached to the step portion 12 has a substantially arcuate shape in a plan view and is arranged so as to cross the shoe sole. Further, the outer end of the air cushion material 14 at the heel portion and the inner end of the air cushion material 15 at the tread portion have cross-sections of the air cushion materials 14, 15 respectively.
The communicating portions 16 each having a smaller cross section are communicated with each other.
【００１２】エアクッション材１４、１５および連通部
１６は、いずれも横断面がＵ字状であり、その開口部を
胛被１７の中底１８の下面に接合させた第１ベース部１
９ａによって密閉することにより内部に空気が封入され
ている。同様に、靴底１３の蹴出部２０は、横断面鋸歯
状をなし、その開口部を胛被１７の中底１８の下面に接
合させた第１ベース部１９ａによって密閉することによ
り、内部に空気が封入されている。さらに、土踏まず部
２１や周縁部２２は第２ベース部１９ｂを介して胛被１
７の中底１８に接合されている。図において、符号２３
はサイドテープを示している。Each of the air cushion members 14, 15 and the communication portion 16 has a U-shaped cross section, and the opening is joined to the lower surface of the insole 17 of the cover 17 to form the first base portion 1.
Air is sealed inside by being sealed by 9a. Similarly, the kick-out portion 20 of the shoe sole 13 has a serrated cross section, and its opening is sealed by a first base portion 19a joined to the lower surface of the insole 18 of the cover 17 so as to be internally closed. Air is enclosed. Furthermore, the arch part 21 and the peripheral part 22 are covered by the second base part 19b.
7 is joined to the insole 18. In the figure, reference numeral 23
Indicates a side tape.
【００１３】上記のように、踵部のエアクッション材１
４と踏付部のエアクッション材１５が靴底面１３ａより
突出しているため、これらのエアクッション材１４、１
５が直接接地し、接地時におけるグリップ力が飛躍的に
向上するようになる。As described above, the air cushion material 1 for the heel portion
4 and the air cushion material 15 of the stepped portion are projected from the shoe bottom surface 13a, these air cushion materials 14, 1
5 comes into direct contact with the ground, and the grip force at the time of contact with the ground is dramatically improved.
【００１４】一方、踵部のエアクッション材１４と踏付
部のエアクッション材１５が連通部１６を介して互いに
連通しているから、踵部１１が着地したとき、踵部のエ
アクッション材１４の圧縮作用によって踏付部１２のエ
アクッション材１５の内圧が通常の圧力より高圧にな
り、踏付部１２が地面に接触したときの反発弾性がエア
クッション材１５を独立させたときより、より効果的に
発揮される。On the other hand, since the air cushion material 14 on the heel portion and the air cushion material 15 on the tread portion communicate with each other via the communication portion 16, when the heel portion 11 lands, the air cushion material 14 on the heel portion. The internal pressure of the air cushion material 15 of the tread portion 12 becomes higher than the normal pressure by the compression action of, and the impact resilience when the tread portion 12 contacts the ground is more than that when the air cushion material 15 is made independent. Effectively demonstrated.
【００１５】上述した靴を成形する金型は、図３に示す
ように、ラストモールド３０、サイドモールド４０、ダ
ミーモールド５０およびボトムモールド６０から構成さ
れている。前記ダミーモールド５０と前記ボトムモール
ド６０との接合面には、ラストモールド３０に吊り込ん
だ胛被１７の踵部に対応する部分に横断面Ｕ字状の踵部
用エアクッション材成形溝６１が設けられ、さらに踏付
部に対応する部分に横断面Ｕ字状の踏付部用エアクッシ
ョン材成形溝６２が設けられている。さらに、この２つ
の成形溝６１、６２同士を連通させる横断面Ｕ字状の連
通部成形溝６３が設けれている。さらに、胛被１７の蹴
出部に対応する箇所には、横断面鋸歯状の蹴出部成形溝
６４が設けられている。さらに、靴底周辺部形成溝６５
や土踏まず部成形溝６６が設けられている。As shown in FIG. 3, the mold for molding the above-mentioned shoe is composed of a last mold 30, a side mold 40, a dummy mold 50 and a bottom mold 60. On the joint surface between the dummy mold 50 and the bottom mold 60, a heel portion air cushion material forming groove 61 having a U-shaped cross section is formed at a portion corresponding to the heel portion of the crepe 17 suspended in the last mold 30. An air cushion material forming groove 62 for a tread portion having a U-shaped cross section is provided in a portion corresponding to the tread portion. Furthermore, a communicating portion forming groove 63 having a U-shaped cross section is provided to connect the two forming grooves 61 and 62 to each other. Further, at a position corresponding to the kicked-out portion of the armor cover 17, a kicked-out portion forming groove 64 having a serrated cross section is provided. Furthermore, the groove 65 around the shoe sole is formed.
A groove 66 for forming the arch portion is provided.
【００１６】一方、ダミーモールド５０の上面には、２
つのエアクッション材成形溝６１、６２、連通部成形溝
６３、蹴出部成形溝６４に対応する第１ベース部形成溝
５１が設けられけている。さらに、サイドモールド４０
と胛被１７の周辺部の間には、サイドテープ成形溝４１
が設けられている。On the other hand, on the upper surface of the dummy mold 50, 2
The first base portion forming groove 51 corresponding to the one air cushion material forming groove 61, 62, the communicating portion forming groove 63, and the protruding portion forming groove 64 is provided. Further, the side mold 40
The side tape forming groove 41
Is provided.
【００１７】上記の金型を用いて本発明の射出成形靴を
製造するには、図３に示すように、胛被１７を吊り込ん
だラストモールド３０の下部にサイドモールド４０、ダ
ミーモールド５０およびボトムモールド６０を組み合わ
せる。なお、胛材や中底材は、布、合成樹脂レザー、皮
革、人工皮革、合成皮革など縫製可能な材料で構成され
ている。In order to manufacture the injection-molded shoe of the present invention using the above-mentioned mold, as shown in FIG. 3, the side mold 40, the dummy mold 50 and the dummy mold 50 are provided under the last mold 30 in which the cover 17 is suspended. The bottom mold 60 is combined. It should be noted that the brood material and the insole material are made of sewable materials such as cloth, synthetic resin leather, leather, artificial leather, and synthetic leather.
【００１８】次に、図４に示すように、２つのエアクッ
ション材成形溝６１、６２および連通溝成形溝６３内に
ポリ塩化ビニル樹脂、ポリウレタン樹脂などの射出成形
材料を射出させ、エアクッション材１４、１５および連
通部１６を形成させる。Next, as shown in FIG. 4, an injection molding material such as polyvinyl chloride resin or polyurethane resin is injected into the two air cushion material molding grooves 61, 62 and the communication groove molding groove 63 to form an air cushion material. 14 and 15 and the communication portion 16 are formed.
【００１９】次に、横断面鋸歯状の蹴出部成形溝６４内
に上記と同様の射出成形材料を射出充填させ、蹴出部２
０を形成させる。Next, the same injection molding material as that described above is injected and filled into the protrusion forming groove 64 having a serrated cross section, and the protrusion 2 is formed.
0 is formed.
【００２０】次に、靴底周辺部形成溝６５および土踏ま
ず部成形溝６６内に上記と同様の射出成形材料を射出充
填させ、土踏まず部２１や周辺部２２を形成させる。Next, an injection molding material similar to the above is injected and filled into the shoe sole peripheral portion forming groove 65 and the arch portion forming groove 66 to form the arch portion 21 and the peripheral portion 22.
【００２１】次いで、図５に示すように、第１ベース部
形成用溝５１内に上記と同様の射出成形材料を射出充填
させ、第１ベース部１９ａを形成させる。Next, as shown in FIG. 5, the same injection molding material as described above is injected and filled into the first base portion forming groove 51 to form the first base portion 19a.
【００２２】次に、図６に示すように、ダミーモールド
５０とボトムモールド６０を引き下げてダミーモールド
５０を取り外したのち、ボトムモールド６０を押し上げ
てエアクッション材１４、１５、連通部１６および蹴出
部２０を第１ベース部材１９ａに接合させる。Next, as shown in FIG. 6, the dummy mold 50 and the bottom mold 60 are pulled down to remove the dummy mold 50, and then the bottom mold 60 is pushed up to push up the air cushion materials 14, 15, the communicating portion 16 and the kicking. The part 20 is joined to the first base member 19a.
【００２３】次いで、図７に示すように、胛被１７の中
底１８、サイドモールド４０、ボトムモールド６０、エ
アクッション材１４、１５、連通部１６、第１ベース部
１９ａ、蹴出部２０、土踏まず部２１、周録部２２など
によって形成された空隙部に射出成形材料を射出させ、
第２ベース部１９ｂおよびサイドテープ２３を形成させ
る。Next, as shown in FIG. 7, the insole 17 of the armor cover 17, the side mold 40, the bottom mold 60, the air cushion members 14, 15, the communicating portion 16, the first base portion 19a, the kicking portion 20, The injection molding material is injected into the void formed by the arch part 21, the recording part 22, etc.,
The second base portion 19b and the side tape 23 are formed.
【００２４】しかる後に、サイドモールド４０とボトム
モールド６０を初期位置に復帰させたのち、ラストモー
ルド３０から射出成形靴１０を抜き取る。Thereafter, the side mold 40 and the bottom mold 60 are returned to their initial positions, and then the injection molded shoe 10 is pulled out from the last mold 30.
【００２５】以上で本発明の実施例を説明したが、本発
明は、この実施例に限定されることはなく、その要旨を
逸脱しない範囲での変更などがあっても本発明に含まれ
るものである。Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment, and modifications and the like within the scope of the present invention are included in the present invention. Is.
【００２６】例えば、踵部と踏付部の２つのエアクッシ
ョン材１４、１５およびこれらを連通させる連通部１６
をあらかじめ一体的に形成しておいて靴底成形時にボト
ムモールド６０の凹部内セットするようにしてもよい。For example, two air cushion members 14, 15 of a heel portion and a tread portion and a communicating portion 16 for communicating these.
May be integrally formed in advance and set in the recess of the bottom mold 60 at the time of molding the shoe sole.
【００２７】また、エアクッション材を一点破線で示す
ように蹴出部２０や土踏まず部２１の箇所に配置しても
よい。Further, the air cushion material may be arranged at the kick portion 20 or the arch portion 21 as shown by the one-dot broken line.
【００２８】さらに、ダミーモールド５０の下面側に設
けた成形溝と上面側に設けた成形溝内に同時に射出成形
材料を射出させてもよい。Furthermore, the injection molding material may be simultaneously injected into the molding groove provided on the lower surface side and the molding groove provided on the upper surface side of the dummy mold 50.
【００２９】[0029]
【発明の効果】上記のように、本発明は、踵部と踏付部
のエアクッション材を意匠面として靴底面より突出させ
たから接地時におけるグリップ力が飛躍的に向上するよ
うになった。また、エアクッション材同士を連通部を介
して互いに連通させたため、踵部に設けたエアクッショ
ン材の着地時における衝撃吸収を利用して踏付部に設け
たエアクッショ材の反発弾性をより効果的に発揮させる
ことができるようになった。一方、踵部と踏付部に設け
た２つのエアクッション材とこれらを互い連通させる連
通部とを成形したのち、胛被の中底下面に成形したベー
ス部に前記エアクッション材と前記連通部とを接合させ
たので、上記の利点を持つ射出成形靴を効率的に、かつ
安価に成形できるようになった。As described above, according to the present invention, since the air cushion material of the heel portion and the tread portion is projected from the bottom surface of the shoe as the design surface, the grip force at the time of ground contact is remarkably improved. Further, since the air cushion materials are communicated with each other through the communication portion, the impact absorption of the air cushion material provided on the heel portion at the time of landing is utilized to make the impact resilience of the air cushion material provided on the tread portion more effective. It has become possible to demonstrate to. On the other hand, after molding two air cushion materials provided on the heel portion and the stepped portion and a communication portion for communicating these with each other, the air cushion material and the communication portion are formed on a base portion formed on the lower surface of the midsole of the armor cover. By joining and, the injection-molded shoe having the above advantages can be efficiently and inexpensively molded.
【図１】本発明に係る射出成形靴の底面図である。FIG. 1 is a bottom view of an injection-molded shoe according to the present invention.
【図２】図１のII−II断面図である。FIG. 2 is a sectional view taken along the line II-II in FIG.
【図３】本発明に係る射出成形靴を製造するための金型
の断面図である。FIG. 3 is a sectional view of a mold for manufacturing an injection-molded shoe according to the present invention.
【図４】ダミーモールドの下面側に形成された溝内に射
出成形材料を射出した状態を示す説明図である。FIG. 4 is an explanatory view showing a state where an injection molding material is injected into a groove formed on the lower surface side of the dummy mold.
【図５】ダミーモールドの下面側に形成された溝内に射
出成形材料を射出した状態を示す説明図である。FIG. 5 is an explanatory diagram showing a state where an injection molding material is injected into a groove formed on the lower surface side of the dummy mold.
【図６】胛被を吊り込んだラストモールドとサイドモー
ルドとボトムモールドを組み付けた状態を示す説明図で
ある。FIG. 6 is an explanatory view showing a state in which a last mold in which a cover is suspended, a side mold, and a bottom mold are assembled.
【図７】残された最後の空隙内に射出成形材料を射出し
た状態を示す説明図である。FIG. 7 is an explanatory diagram showing a state where an injection molding material is injected into the last remaining void.
１０ 射出成形靴 １３ 靴底 １３ａ 靴底面 １４、１５ エアクッション材 １６ 連通部 10 injection-molded shoes 13 shoe sole 13a shoe bottom 14, 15 air cushion material 16 communicating part
Claims (2)
とも２つのエアクッション材を設けるとともに、これら
のエアクッション材同士を連通部を介して互いに連通さ
せるようにしたことを特徴とする射出成形靴。1. An injection molding method, wherein at least two air cushion materials protruding from a shoe bottom are provided on a shoe sole, and these air cushion materials are made to communicate with each other through a communicating portion. shoes.
れらのエアクッション材同士を互い連通させる連通部と
を成形したのち、胛被の中底下面に成形したベース部に
前記エアクッション材と前記連通部とを接合させたこと
を特徴とする射出成形靴の製造方法。2. After molding at least two air cushion materials and a communicating portion for communicating these air cushion materials with each other, the air cushion material and the communicating portion are formed on a base portion formed on the lower surface of the insole of the cover. A method for manufacturing an injection-molded shoe, characterized in that and are joined together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3358051A JPH05176803A (en) | 1991-12-27 | 1991-12-27 | Injection-molded shoe and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3358051A JPH05176803A (en) | 1991-12-27 | 1991-12-27 | Injection-molded shoe and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05176803A true JPH05176803A (en) | 1993-07-20 |
Family
ID=18457287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3358051A Withdrawn JPH05176803A (en) | 1991-12-27 | 1991-12-27 | Injection-molded shoe and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05176803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140283413A1 (en) * | 2013-03-22 | 2014-09-25 | Reebok International Limited | Sole And Article Of Footwear Having A Pod Assembly |
-
1991
- 1991-12-27 JP JP3358051A patent/JPH05176803A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140283413A1 (en) * | 2013-03-22 | 2014-09-25 | Reebok International Limited | Sole And Article Of Footwear Having A Pod Assembly |
| US10178891B2 (en) * | 2013-03-22 | 2019-01-15 | Reebok International Limited | Sole and article of footwear having a pod assembly |
| US11272755B2 (en) | 2013-03-22 | 2022-03-15 | Reebok International Limited | Sole and article of footwear having a pod assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990311 |