EP0278094B1 - Shoe bottom for a sports shoe - Google Patents

Shoe bottom for a sports shoe Download PDF

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Publication number
EP0278094B1
EP0278094B1 EP87118557A EP87118557A EP0278094B1 EP 0278094 B1 EP0278094 B1 EP 0278094B1 EP 87118557 A EP87118557 A EP 87118557A EP 87118557 A EP87118557 A EP 87118557A EP 0278094 B1 EP0278094 B1 EP 0278094B1
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EP
European Patent Office
Prior art keywords
shoe
shoe bottom
longitudinal direction
respect
strong
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EP87118557A
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German (de)
French (fr)
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EP0278094A3 (en
EP0278094A2 (en
EP0278094B2 (en
Inventor
Wolf Anderié
Edgar Dr. Stüssi
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Adidas AG
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Adidas AG
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Application filed by Adidas AG filed Critical Adidas AG
Priority to AT87118557T priority Critical patent/ATE52668T1/en
Publication of EP0278094A2 publication Critical patent/EP0278094A2/en
Publication of EP0278094A3 publication Critical patent/EP0278094A3/en
Publication of EP0278094B1 publication Critical patent/EP0278094B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles

Definitions

  • the invention relates to a shoe bottom, in particular for sports shoes, with the features according to the preamble of claim 1.
  • Such weaknesses can be achieved by reducing the thickness of the shoe bottom or sole in the joint area, expediently leaving a central web running approximately in the longitudinal direction of the shoe (DE-AS 14 85 804), or recesses which protrude from the side edge of the shoe bottom can be provided, which are formed by a less rigid filling material are filled (DE-PS 943 996).
  • the invention is therefore based on the object of providing a shoe bottom of the type described at the outset which ensures better guidance and support of the foot without impairing the desired torsional decoupling between the front and rear sole.
  • the joint of the shoe bottom is thus stiffened against bending about an axis running transversely to the longitudinal direction of the shoe by means of stiffening means, the increased resistance to bending primarily affecting such a bending which is convex downward, i.e. as a curve of the shoe bottom. towards the barrel side.
  • a tensile element as a stiffening means, which is anchored in the shoe longitudinal direction in the shoe bottom close to the running side thereof.
  • This tensile element itself does not have to have any bending stiffness, since the stiffening of the shoe bottom is achieved due to the lack of or only very little stretchability of the tensile element and its arrangement below the "neutral bending fiber" of the shoe bottom.
  • the flexural rigidity of the shoe bottom in the joint can therefore be controlled within wide limits by using such a traction means without the torsional rigidity of the shoe bottom in the joint being influenced thereby.
  • Another significant advantage is that compared to stiffeners that have their own bending stiffness (e.g. steel hinge springs or the like), the stiffening can be kept considerably easier by the traction means, which is important for sports shoes. Because tensile and almost inextensible materials of high strength and very low weight are available, e.g. Metal wires, carbon and glass fibers, plastic wires and ribbon-like elements made from them.
  • the weak points in the joint of the shoe bottom which reduce the torsional rigidity are recesses which protrude transversely or obliquely (towards the front or rear) from the edge and extend to a web of the shoe bottom running in the longitudinal direction of the shoe .
  • the web expediently runs approximately centrally between the side edges of the shoe bottom.
  • the tensile element runs along this web. It can be embedded in the web near the underside of the web, in the usual production of the shoe base from plastic.
  • the tensile element along the free lower surface of the web, with a wear sole attached to the front sole and the rear sole ensuring that the tensile element does not come into direct contact with the ground. In this way, the tensile element is arranged very close to the running side of the shoe bottom.
  • the stiffening means even if it is formed by the tensile element discussed above, can be embedded in its entire length in the shoe bottom, so that it is able to transmit stiffening forces over its entire length. However, this is not imperative, since both rigid and only tensile stiffeners essentially require that both ends be fixed sufficiently firmly in the shoe bottom. For this reason, are more appropriate wise provided at the ends of the stiffening anchoring inserts, which are attached to the bottom of the shoe, for example, are directly embedded. These anchoring inserts are designed so that they can resist a shift in the longitudinal direction of the shoe, in accordance with the forces acting on them when the shoe bottom rolls off.
  • the outsole shown in the drawings which forms a shoe bottom together with an insole, not shown, consists essentially of a midsole 1 made of foamed plastic, e.g. Polyurethane, and a running sole 2, which can be profiled.
  • the outsole is divided into a front sole area 3 and a rear sole area 4 in the joint 5. The subdivision is achieved by two recesses 6, 7 which protrude obliquely from the outer edge of the sole or the inner edge of the sole and which, as can be seen in FIG. Between the mutually facing ends of the recesses 6 and 7, the thickness of the midsole 1 is left unchanged, so that a web 8 running approximately centrally in the longitudinal direction of the sole is thereby created.
  • the front sole area 3 is "decoupled” in torsion with respect to the rear sole area 4, i.e. the front sole area 3 can rotate relative to the rear sole area 4 about an axis running approximately along the web 8, which corresponds to the natural movement of the foot during the rolling process and therefore promotes this.
  • the stiffening element 9 consists of tensile and low-stretch plastic wires 91 (e.g. made of nylon), which are combined in parallel next to one another to form a flat track, and of anchoring inserts 92 and 93 fastened to the ends of the plastic wires 91.
  • the plastic wires 91 which have a diameter of 1, for example .5 mm, are firmly connected to the anchoring inserts 92, 93, which are also expediently made of plastic, for example by direct embedding in them.
  • the plastic wires 91 can also be connected to one another along their length.
  • the anchoring inserts 92, 93 are plate-shaped (see FIG. 2) and have lateral wings 94. Openings 95 are provided in the anchoring inserts 92, 93, through which the material of the midsole 1 can pass during the casting or molding process and embed the anchoring inserts.
  • the wear sole has one in both sections, namely in the front sole area 3 and in the rear sole area 4 Interruption 10 in which the plastic wires 91 are exposed. This avoids the curvature of the band formed by the plastic wires 91 when the front sole area 3 is twisted relative to the rear sole area 4.
  • the recess 10 is not required; it is entirely possible to completely cover the stiffening element 9 and in particular the plastic wires 91 by means of the wear sole 2 in order to protect them from damage.
  • the bending stiffness of the outsole about a transverse axis running perpendicular to the web 8 can be controlled by the resistance to tensile expansion of the stiffening element 9. If the bending stiffness is to be increased, it can be considered to increase the number and thus the layer width of the plastic wires 91. In principle, a thickening of the plastic wires is also conceivable, but it should be avoided that the torsional rigidity of the shoe bottom in the joint is increased by a thickening.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Coloring (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

1. A shoe bottom, in particular for sports shoes, which in the shank (5) has weak locations (6, 7) for reducing the torsional stiffness about an axis extending substantially in the longitudinal direction of the shoe, in order to permit twisting, which is adapted to the natural movement of the foot, of the front sole portion (3) relative to the rear sole portion (4), about said axis, characterised in that the shank (5) of the shoe bottom (1, 2) is stiffened against bending about an axis extending transversely with respect to the longitudinal direction of the shoe by a striplike or rod-like stiffening element (9) which is directed in the longitudinal direction of the shoe.

Description

Die Erfindung betrifft einen Schuhboden, insbesondere für Sportschuhe, mit den Merkmalen gemäß dem Oberbegriff des Anspruches 1.The invention relates to a shoe bottom, in particular for sports shoes, with the features according to the preamble of claim 1.

Aus der Biomechanik ist es bekannt, daß bei der natürlichen Abrollbewegung des Fusses zwischen dem Vorfuß und der Ferse etwa im Bereich der Keilbeine, d.h. über dem Gelenk des Schuhbodens, eine Verdrehung um eine etwa in Fußlängsrichtung verlaufende Achse stattfindet. Um dieser Verdrehung Rechnung zu tragen, ist es bekannt, im Gelenk des Schuhbodens gezielt Schwachstellen anzubringen, die eine Verdrehbarkeit des Vordersohlenbereiches gegenüber dem Hintersohlenbereich um eine etwa in Schuhlängsrichtung verlaufende Achse ermöglichen (DE-PS 804 901). Solche Schwachstellen können durch eine Verringerung der Schuhboden-oder Sohlendicke im Gelenkbereich erzielt sein, wobei zweckmässigerweise ein etwa in Schuhlängsrichtung verlaufender zentraler Steg verbleibt (DE-AS 14 85 804), oder es können vom Seitenrand des Schuhbodens her einspringende Ausnehmungen vorgesehen sein, die durch ein weniger steifes Füllmaterial ausgefüllt sind (DE-PS 943 996).From biomechanics it is known that during the natural rolling movement of the foot between the forefoot and the heel, approximately in the area of the sphenoid, i.e. above the joint of the shoe bottom, there is a rotation about an axis running approximately in the longitudinal direction of the foot. In order to take this twist into account, it is known to deliberately create weak points in the joint of the shoe bottom, which enable the front sole area to be rotated relative to the rear sole area about an axis running approximately in the longitudinal direction of the shoe (DE-PS 804 901). Such weaknesses can be achieved by reducing the thickness of the shoe bottom or sole in the joint area, expediently leaving a central web running approximately in the longitudinal direction of the shoe (DE-AS 14 85 804), or recesses which protrude from the side edge of the shoe bottom can be provided, which are formed by a less rigid filling material are filled (DE-PS 943 996).

Die die Torsionssteifigkeit herabsetzenden Schwachstellen im Gelenk des Schuhbodens führen zwangsläufig auch zu einer Herabsetzung der Biegesteifigkeit des Schuhbodens um eine querverlaufende Achse. Dies ist nach der vorstehend angegebenen Lehre auch erwünscht, wobei lediglich vorgeschlagen wurde, durch eine Keillangsohle das Durchtreten des Schuhbodens im Gelenkbereich von Schuhen mit Absatz zu verhindern (vgl. DE-GBM 17 19 678), indem hierdurch dem Fuß auch im Gelenkbereich eine feste Auftrittsfläche geboten wird. Insbesondere bei Sportschuhen hat sich jedoch gezeigt, daß die prinzipiell erwünschte Verdreh- oder Verwringbarkeit von Vordersohle gegenüber Hintersohle zu einer unzureichenden Führung und Halterung des Fusses führt, wenn der Schuhboden im Gelenkbereich nicht nur torsionsnachgiebig, sondern auch biegeweich ist, weil hierdurch der Fuß im Bereich der Mittelfußgelenke zuviel Bewegungsfreiheit hat. Das macht sich als Mangel an seitlicher Stabilität insbesondere dann bemerkbar, wenn der Läufer mit dem Fuß auf Bahnunebenheiten tritt, was beim Wandern, bei Waldläufen, beim Jogging und dgl. in der Regel unvermeidbar ist.The weak points in the joint of the shoe bottom which reduce the torsional rigidity inevitably also lead to a reduction in the bending rigidity of the shoe bottom about a transverse axis. According to the above teaching, this is also desirable, with the only suggestion being to prevent the floor of the shoe from passing through in the joint area of shoes with a heel (see DE-GBM 17 19 678), by means of which the foot also has a firm footing in the joint area Performance space is offered. In sports shoes in particular, however, it has been shown that the principally desired rotatability or rotatability of the front sole compared to the rear sole leads to inadequate guidance and retention of the foot if the base of the shoe in the joint area is not only flexible, but also flexible, because this means that the foot is in the area the metatarsals have too much freedom of movement. This is particularly noticeable as a lack of lateral stability when the runner steps on uneven ground with his foot, which is generally unavoidable when hiking, running in the forest, jogging and the like.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Schuhboden der eingangs beschriebenen Art zu schaffen, der ohne Beeinträchtigung der erwünschten torsionsmässigen Entkoppelung zwischen Vorder- und Hintersohle eine bessere Führung und Halterung des Fusses gewährleistet.The invention is therefore based on the object of providing a shoe bottom of the type described at the outset which ensures better guidance and support of the foot without impairing the desired torsional decoupling between the front and rear sole.

Erfindungsgemäß wird dies erreicht durch die Ausgestaltung gemäß dem Kennzeichen des Anspruches 1.According to the invention, this is achieved by the configuration according to the characterizing part of claim 1.

Erfindungsgemäß ist somit das Gelenk des Schuhbodens gegen eine Biegung um eine quer zur Schuhlängsrichtung verlaufende Achse durch Versteifungsmittel versteift, wobei die erhöhte Widerstandsfähigkeit gegen Biegung vor allem eine solche Biegung betrifft, die sich als Krümmung des Schuhbodens konvex nach unten, d.h. zur Laufseite hin, auswirkt.According to the invention, the joint of the shoe bottom is thus stiffened against bending about an axis running transversely to the longitudinal direction of the shoe by means of stiffening means, the increased resistance to bending primarily affecting such a bending which is convex downward, i.e. as a curve of the shoe bottom. towards the barrel side.

Mit besonderem Vorteil wird als Versteifungsmittel ein zugfestes Element eingesetzt, das in Schuhlängsrichtung verlaufend im Schuhboden nahe an dessen Laufseite verankert ist. Dieses zugfeste Element braucht selbst keinerlei Biegesteifigkeit zu haben, da die Versteifung des Schuhbodens aufgrund der fehlenden oder nur sehr geringen Dehnbarkeit des zugfesten Elements und dessen Anordnung unterhalb der "neutralen Biegefaser" des Schuhbodens erzielt wird. Das hat den bedeutsamen Vorteil, daß das zugfeste Element, das beispielsweise bandartig ausgebildet ist, keinerlei eigene Torsionssteifigkeit hat und daher die erwünschte Verdrehbarkeit der Vordersohle gegenüber der Hintersohle in keiner Weise beeinträchtigt. Die Biegesteifigkeit des Schuhbodens im Gelenk kann deshalb durch Verwendung eines solchen Zugmittels in weiten Grenzen gesteuert werden, ohne daß hierdurch die Torsionssteifigkeit des Schuhbodens im Gelenk beeinflusst wird. Ein weiterer wesentlicher Vorteil besteht darin, daß im Vergleich zu Versteifungsmitteln, die eine eigene Biegesteifigkeit besitzen (z.B. Stahlgelenkfedern od.dgl.) die Versteifung durch das Zugmittel erheblich leichter gehalten werden kann, was für Sportschuhe von Bedeutung ist. Denn es stehen zugfeste und nahezu undehnbare Materialien hoher Festigkeit und sehr geringen Gewichts zur Verfügung, z.b. Metalldrähte, Kohle- und Glasfasern, Kunststoffdrähte und bandartige Elemente, die aus solchen hergestellt sind.It is particularly advantageous to use a tensile element as a stiffening means, which is anchored in the shoe longitudinal direction in the shoe bottom close to the running side thereof. This tensile element itself does not have to have any bending stiffness, since the stiffening of the shoe bottom is achieved due to the lack of or only very little stretchability of the tensile element and its arrangement below the "neutral bending fiber" of the shoe bottom. This has the significant advantage that the tensile element, which is designed, for example, like a band, has no torsional rigidity of its own and therefore does not in any way impair the desired rotatability of the front sole relative to the rear sole. The flexural rigidity of the shoe bottom in the joint can therefore be controlled within wide limits by using such a traction means without the torsional rigidity of the shoe bottom in the joint being influenced thereby. Another significant advantage is that compared to stiffeners that have their own bending stiffness (e.g. steel hinge springs or the like), the stiffening can be kept considerably easier by the traction means, which is important for sports shoes. Because tensile and almost inextensible materials of high strength and very low weight are available, e.g. Metal wires, carbon and glass fibers, plastic wires and ribbon-like elements made from them.

In einer besonderen Ausgestaltung der Erfindung ist in bekannter Weise vorgesehen, daß die die Torsionssteifigkeit herabsetzenden Schwachstellen im Gelenk des Schuhbodens vom Rand her quer oder schräg (nach vorne oder hinten) einspringende Ausnehmungen sind, die sich bis zu einem in Schuhlängsrichtung verlaufenden Steg des Schuhbodens erstrecken. Der Steg verläuft zweckmässigerweise etwa mittig zwischen den seitlichen Schuhbodenrändern. Bei dieser Ausgestaltung ist vorgesehen, daß das zugfeste Element längs dieses Steges verläuft. Dabei kann es - bei der üblichen Herstellung des Schuhbodens aus Kunststoff - in den Steg nahe an dessen Unterseite eingebettet sein. Möglich ist aber auch die Anordnung des zugfesten Elements längs der freien Unterfläche des Steges, wobei durch eine auf der Vordersohle und der Hintersohle befestigte Verschleißsohle dafür gesorgt ist, daß das zugfeste Element nicht direkt in Bodenkontakt kommt. Auf diese Weise ist das zugfeste Element sehr nahe an der Laufseite des Schuhbodens angeordnet.In a special embodiment of the invention, it is provided in a known manner that the weak points in the joint of the shoe bottom which reduce the torsional rigidity are recesses which protrude transversely or obliquely (towards the front or rear) from the edge and extend to a web of the shoe bottom running in the longitudinal direction of the shoe . The web expediently runs approximately centrally between the side edges of the shoe bottom. In this embodiment it is provided that the tensile element runs along this web. It can be embedded in the web near the underside of the web, in the usual production of the shoe base from plastic. However, it is also possible to arrange the tensile element along the free lower surface of the web, with a wear sole attached to the front sole and the rear sole ensuring that the tensile element does not come into direct contact with the ground. In this way, the tensile element is arranged very close to the running side of the shoe bottom.

Das Versteifungsmittel, auch wenn es durch das vorstehend besprochene zugfeste Element gebildet ist, kann auf seiner ganzen Länge im Schuhboden eingebettet sein, so daß es auf seiner ganzen Länge in der Lage ist, versteifend wirkende Kräfte zu übertragen. Dies ist jedoch nicht zwingend, da es sowohl bei biegesteifen als auch nur zugfesten Versteifungsmitteln im wesentlichen darauf ankommt, deren beide Enden ausreichend fest im Schuhboden zu fixieren. Aus diesem Grund sind zweckmässigerweise an den Enden des Versteifungsmittels Verankerungseinsätze vorgesehen, die im Schuhboden befestigt, z.B. direkt eingebettet sind. Diese Verankerungseinsätze sind so ausgelegt, daß sie sich einer Verlagerung in Schuhlängsrichtung, entsprechend den auf sie beim Abrollen des Schuhbodens einwirkenden Kräften, widersetzen können.The stiffening means, even if it is formed by the tensile element discussed above, can be embedded in its entire length in the shoe bottom, so that it is able to transmit stiffening forces over its entire length. However, this is not imperative, since both rigid and only tensile stiffeners essentially require that both ends be fixed sufficiently firmly in the shoe bottom. For this reason, are more appropriate wise provided at the ends of the stiffening anchoring inserts, which are attached to the bottom of the shoe, for example, are directly embedded. These anchoring inserts are designed so that they can resist a shift in the longitudinal direction of the shoe, in accordance with the forces acting on them when the shoe bottom rolls off.

Ein Ausführungsbeispiel der vorliegenden Erfindung ist nachfolgend anhand der beiliegenden Zeichnungen näher erläutert. In den Zeichnungen zeigen:

  • Fig. 1 eine Untenansicht einer Laufsohle nach der Erfindung, teilweise aufgebrochen;
  • Fig. 2 eine Seitenansicht der Laufsohle nach Fig. 1, teilweise geschnitten längs der Linie 11-11 in Fig. 1, und
  • Fig. 3 eine Teil-Seitenansicht der Laufsohle gemäß Fig. 1, gesehen in Richtung des Pfeiles 111.
An embodiment of the present invention is explained below with reference to the accompanying drawings. The drawings show:
  • Figure 1 is a bottom view of an outsole according to the invention, partially broken away.
  • Fig. 2 is a side view of the outsole of Fig. 1, partially cut along the line 11-11 in Fig. 1, and
  • 3 shows a partial side view of the outsole according to FIG. 1, viewed in the direction of arrow 111.

Die in den Zeichnungen dargestellte Laufsohle, die zusammen mit einer nicht dargestellten Brandsohle einen Schuhboden bildet, besteht im wesentlichen aus einer Zwischensohle 1 aus geschäumtem Kunststoff, z.b. Polyurethan,und einer laufseitig angeordneten Verschleißsohle 2, die profiliert sein kann. Die Laufsohle ist im Gelenk 5 in einen Vordersohlenbereich 3 und einen Hintersohlenbereich 4 unterteilt. Die Unterteilung ist erzielt durch zwei vom Sohlenaußenrand bzw. Sohleninnenrand schräg nach vorne und innen einspringende Ausnehmungen 6, 7, die - wie aus Fig. 3 hervorgeht - den Schuhboden mehr als zur Hälfte seiner Höhe durchsetzen. Zwischen den einander zugewendeten Enden der Ausnehmungen 6 und 7 ist die Zwischensohle 1 in ihrer Dicke unverändert belassen, so daß dadurch ein etwa mittig in Sohlenlängsrichtung verlaufender Steg 8 geschaffen ist. Durch die Ausnehmungen 6, 7 wird der Vordersohlenbereich 3 gegenüber dem Hintersohlenbereich 4 torsionsmässig "entkoppelt", d.h. der Vordersohlenbereich 3 kann um eine etwa längs des Steges 8 verlaufende Achse sich gegenüber dem Hintersohlenbereich 4 verdrehen, was der natürlichen Fußbewegung beim Abrollvorgang entspricht und diesen daher fördert.The outsole shown in the drawings, which forms a shoe bottom together with an insole, not shown, consists essentially of a midsole 1 made of foamed plastic, e.g. Polyurethane, and a running sole 2, which can be profiled. The outsole is divided into a front sole area 3 and a rear sole area 4 in the joint 5. The subdivision is achieved by two recesses 6, 7 which protrude obliquely from the outer edge of the sole or the inner edge of the sole and which, as can be seen in FIG. Between the mutually facing ends of the recesses 6 and 7, the thickness of the midsole 1 is left unchanged, so that a web 8 running approximately centrally in the longitudinal direction of the sole is thereby created. Through the recesses 6, 7, the front sole area 3 is "decoupled" in torsion with respect to the rear sole area 4, i.e. the front sole area 3 can rotate relative to the rear sole area 4 about an axis running approximately along the web 8, which corresponds to the natural movement of the foot during the rolling process and therefore promotes this.

In die Zwischensohle 1 ist ein im Ganzen mit 9 bezeichnetes Versteifungselement eingebettet. Das Versteifungselement 9 besteht aus zugfesten und dehnungsarmen Kunststoffdrähten 91 (z.B. aus Nylon), die parallel nebeneinander zu einer ebenen Bahn vereinigt sind, sowie aus an den Enden der Kunststoffdrähte 91 befestigten Verankerungseinsätzen 92 und 93. Die Kunststoffdrähte 91, die beispielsweise einen Durchmesser von 1,5 mm aufweisen, sind mit den zweckmässigerweise ebenfalls aus Kunststoff hergestellten Verankerungseinsätzen 92, 93 fest verbunden, beispielsweise durch direktes Einbetten in diese. Die Kunststoffdrähte 91 können miteinander auf ihrer Länge ebenfalls verbunden sein. Die Verankerungseinsätze 92, 93 sind plattenförmig (vgl. Fig. 2) und weisen seitliche Flügel 94 auf. In den Verankerungseinsätzen 92, 93 sind Durchbrüche 95 vorgesehen, durch welche das Material der Zwischensohle 1 beim Gieß- oder Formvorgang hindurchtreten und die Verankerungseinsätze einbetten kann.In the midsole 1, a stiffening element, generally designated 9, is embedded. The stiffening element 9 consists of tensile and low-stretch plastic wires 91 (e.g. made of nylon), which are combined in parallel next to one another to form a flat track, and of anchoring inserts 92 and 93 fastened to the ends of the plastic wires 91. The plastic wires 91, which have a diameter of 1, for example .5 mm, are firmly connected to the anchoring inserts 92, 93, which are also expediently made of plastic, for example by direct embedding in them. The plastic wires 91 can also be connected to one another along their length. The anchoring inserts 92, 93 are plate-shaped (see FIG. 2) and have lateral wings 94. Openings 95 are provided in the anchoring inserts 92, 93, through which the material of the midsole 1 can pass during the casting or molding process and embed the anchoring inserts.

Wie aus Fig. 2 hervorgeht, liegt die Unterseite des Steges 8, längs der sich die Kunststoffdrähte 91 erstrecken, oberhalb der Laufseite der Verschleißsohle 2: In dem gezeigten Ausführungsbeispiel weist die Verschleißsohle in beiden Abschnitten, nämlich im Vordersohlenbereich 3 und im Hintersohlenbereich 4, eine Unterbrechung 10 auf, in der die Kunststoffdrähte 91 freiliegen. Hierdurch wird die Behinderung einer Verwölbung des durch die Kunststoffdrähte 91 gebildeten Bandes bei einer Torsion des Vordersohlenbereiches 3 gegenüber dem Hintersohlenbereich 4 vermieden. Die Ausnehmung 10 ist jedoch nicht erforderlich; es ist durchaus möglich, mittels der Verschleißsohle 2 das Versteifungselement 9 und insbesondere die Kunststoffdrähte 91 völlig zu bedecken, um diese vor Beschädigungen zu schützen.As can be seen from FIG. 2, the underside of the web 8, along which the plastic wires 91 extend, lies above the running side of the wear sole 2: In the exemplary embodiment shown, the wear sole has one in both sections, namely in the front sole area 3 and in the rear sole area 4 Interruption 10 in which the plastic wires 91 are exposed. This avoids the curvature of the band formed by the plastic wires 91 when the front sole area 3 is twisted relative to the rear sole area 4. However, the recess 10 is not required; it is entirely possible to completely cover the stiffening element 9 and in particular the plastic wires 91 by means of the wear sole 2 in order to protect them from damage.

Aus der vorstehenden Erläuterung ergibt sich, daß die Biegesteifigkeit der Laufsohle um eine senkrecht zu dem Steg 8 verlaufende Querachse durch die Widerstandsfähigkeit gegen Zugdehnung des Versteifungselementes 9 gesteuert werden kann. Soll die Biegesteifigkeit erhöht werden, so kann daran gedacht werden, die Anzahl und damit die Lagenbreite der Kunststoffdrähte 91 zu erhöhen. Prinzipiell ist auch eine Verdickung der Kunststoffdrähte denkbar, jedoch soll vermieden werden, daß durch eine Verdickung die Torsionssteifigkeit des Schuhbodens im Gelenk erhöht wird.It follows from the above explanation that the bending stiffness of the outsole about a transverse axis running perpendicular to the web 8 can be controlled by the resistance to tensile expansion of the stiffening element 9. If the bending stiffness is to be increased, it can be considered to increase the number and thus the layer width of the plastic wires 91. In principle, a thickening of the plastic wires is also conceivable, but it should be avoided that the torsional rigidity of the shoe bottom in the joint is increased by a thickening.

Es versteht sich, daß anstelle der im Ausführungsbeispiel beschriebenen Kunststoffdrähte 91 auch andere zugfeste Versteifungsmittel eingesetzt werden können. So ist daran zu denken, mittels der Verankerungseinsätze 92, 93 ein Netz, Geflecht oder Gewebe aus Glas- oder Kohlefasern vorzusehen, das bandförmig ausgebildet und in ähnlicher Weise in der Sohle eingebettet ist, wie dies vorstehend erläutert ist. Durch Wahl der Bandbreite eines solchen Gewebes kann die Zugfestigkeit und damit die resultierende Biegesteifigkeit in weiten Grenzen gesteuert werden, ohne das Gewicht des Schuhbodens merklich zu beeinflussen. Im Rahmen der Erfindung liegt jedoch auch die Anordnung flacher Metallstreifen, die aufgrund einer geringen Dicke eine entsprechend geringe Biegesteifigkeit besitzen, jedoch erhebliche Zugfestigkeit haben.It goes without saying that instead of the plastic wires 91 described in the exemplary embodiment, other tensile stiffening means can also be used. It should therefore be considered to use the anchoring inserts 92, 93 to provide a network, braid or fabric made of glass or carbon fibers, which is designed in the form of a band and is embedded in a similar manner in the sole, as explained above. By selecting the bandwidth of such a fabric, the tensile strength and thus the resulting bending stiffness can be controlled within wide limits without noticeably influencing the weight of the shoe bottom. However, within the scope of the invention is also the arrangement of flat metal strips which, due to their small thickness, have a correspondingly low bending stiffness, but have considerable tensile strength.

Claims (9)

1. A shoe bottom, in particular for sports shoes, which in the shank (5) has weak locations (6, 7) for reducing the torsional stiffness about an axis extending substantially in the longitudinal direction of the shoe, in order to permit twisting, which is adapted to the natural movement of the foot, of the front sole portion (3) relative to the rear sole portion (4), about said axis, characterised in that the shank (5) of the shoe bottom (1, 2) is stiffened against bending about an axis extending transversely with respect to the longitudinal direction of the shoe by a strip-like or rod-like stiffening element (9) which is directed in the longitudinal direction of the shoe.
2. A shoe bottom according to claim 1 characterised in that the stiffening means is an element (91) which is strong in respect of tension and which, extending in the longitudinal direction of the shoe, is anchored in the shoe bottom (1, 2) adjacent to the ground-engaging side thereof.
3. A shoe bottom according to claim 2 characterised in that the element (91) which is strong in respect of tension is of a strip-like configuration and is fixed in the shoe bottom at the ends of the element (91) by means of anchoring inserts (92, 93).
4. A shoe bottom according to claim 2 or claim 3 wherein the weak locations for reducing torsional stiffness are recesses (6, 7) which extend inwardly from the edge transversely or inclinedly and which extend to a limb portion (8) of the shoe bottom, which extends in the longitudinal direction of the shoe, characterised in that the element (91) which is strong in respect of tension extends along the limb portion (8).
5. A shoe bottom according to claim 4 characterised in that the element (91) which is strong in respect of tension extends along the free underneath surface of the limb portion (8).
6. A shoe bottom according to one of claims 2 to 5 characterised in that the element which is strong in respect of tension is formed by rods or wires of metal, plastics material, carbon or glass fibres or the like.
7. A shoe bottom according to claim 6 characterised in that the rods or wires are arranged in parallel relationship with each other and are connected to each other for example by adhesive or welding.
8. A shoe bottom according to one of claims 2 to 5 characterised in that the element which is strong in respect of tension is a cloth or mesh consisting of low-stretch fibres which are resistant to tensile force.
EP87118557A 1987-02-07 1987-12-15 Shoe bottom for a sports shoe Expired - Lifetime EP0278094B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118557T ATE52668T1 (en) 1987-02-07 1987-12-15 SHOE BOTTOM FOR SPORTS SHOES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873703858 DE3703858A1 (en) 1987-02-07 1987-02-07 SHOE BASE FOR SPORTSHOES
DE3703858 1987-02-07

Publications (4)

Publication Number Publication Date
EP0278094A2 EP0278094A2 (en) 1988-08-17
EP0278094A3 EP0278094A3 (en) 1988-10-05
EP0278094B1 true EP0278094B1 (en) 1990-05-16
EP0278094B2 EP0278094B2 (en) 1995-11-15

Family

ID=6320528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118557A Expired - Lifetime EP0278094B2 (en) 1987-02-07 1987-12-15 Shoe bottom for a sports shoe

Country Status (24)

Country Link
EP (1) EP0278094B2 (en)
JP (1) JPS63194602A (en)
KR (1) KR910008959B1 (en)
CN (1) CN1020668C (en)
AT (1) ATE52668T1 (en)
AU (1) AU593163B2 (en)
BR (1) BR8800441A (en)
CS (1) CS268548B2 (en)
DD (1) DD267422A5 (en)
DE (2) DE3703858A1 (en)
DK (1) DK165218C (en)
ES (1) ES2015037T5 (en)
FI (1) FI880344A (en)
HU (1) HUT57565A (en)
IE (1) IE61067B1 (en)
MY (1) MY102195A (en)
NO (1) NO166351C (en)
NZ (1) NZ223425A (en)
PL (1) PL270439A1 (en)
PT (1) PT86504B (en)
SU (1) SU1667624A3 (en)
TR (1) TR23089A (en)
YU (1) YU9788A (en)
ZA (1) ZA88824B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230935A (en) * 1989-04-25 1990-11-07 Calzaturificio Zamberlan S R L Arch supporting insoles
DE4018518C2 (en) * 1989-07-08 1996-04-04 Adidas Ag Shoe, in particular sports shoe
DE4339107A1 (en) * 1993-11-16 1995-05-18 Engros Schuhhaus Ag Shoe sole
WO1999047013A1 (en) 1998-03-13 1999-09-23 Jan Ortwig Shoe with two-part sole
DE19904744B4 (en) * 1999-02-05 2005-11-10 Adidas International Marketing B.V. shoe
ITTO20020010A1 (en) * 2002-01-04 2003-07-04 Diadora Spa FOOTWEAR, IN PARTICULAR SPORTS FOOTWEAR, AND RELATED PRODUCTION METHOD.
WO2005009162A2 (en) 2003-07-17 2005-02-03 Red Wing Shoe Company, Inc. Integral spine structure for footwear
US6973746B2 (en) * 2003-07-25 2005-12-13 Nike, Inc. Soccer shoe having independently supported lateral and medial sides
CN100360063C (en) * 2005-01-31 2008-01-09 戴逸梅 Multifunctional sports shoes
JP4886774B2 (en) * 2006-04-21 2012-02-29 株式会社アシックス Sole with reinforced structure and sole with shock absorbing structure
CN102475381A (en) * 2010-11-26 2012-05-30 昆山多威体育用品有限公司 Improved sole structure for sports shoes
CN102763931B (en) * 2011-05-05 2014-09-17 昆山多威体育用品有限公司 Improved structure of sole of marathon shoe
AU2012372533B2 (en) * 2012-03-09 2016-02-04 Puma SE Shoe, especially sports shoe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095398A (en) * 1936-01-18 1937-10-12 Ray R Reeves Combination arch support and flexible sole for footwear
DE860322C (en) * 1944-06-09 1952-12-18 Continental Gummi Werke Ag Sole made of rubber or rubber-like materials
DE804901C (en) * 1948-11-19 1951-05-04 Johannes Schaller Shoe bottom
US2716296A (en) * 1952-03-15 1955-08-30 Leonard J Stein Shoe shank reinforcement
DE943996C (en) * 1954-12-21 1956-08-16 Johannes Schaller Shoe bottom
DE1719678U (en) * 1955-07-04 1956-03-29 Theo Koetter ORTHOPEDIC SLIPPER.
DE1485804B1 (en) * 1963-03-18 1970-04-30 Johannes Schaller Sole for footwear
DE1973324U (en) * 1967-08-26 1967-11-23 Rudolf Albrecht PRE-FABRICATED FOOTBALL SHOE FIRED SOLE WITH NON-PRESSURE STEEL SPRINGED STUD SCREW
FR1581499A (en) * 1968-03-20 1969-09-19
GB1286902A (en) * 1970-01-29 1972-08-31 Luther Austin & Sons Ltd Improvements in or relating to sports shoes
DE2130628A1 (en) * 1971-06-21 1972-12-28 Franz Hassler Insole for footwear
US4922631A (en) * 1988-02-08 1990-05-08 Adidas Sportschuhfabriken Adi Dassier Stiftung & Co. Kg Shoe bottom for sports shoes

Also Published As

Publication number Publication date
CS74888A2 (en) 1989-06-13
FI880344A0 (en) 1988-01-26
PT86504A (en) 1988-02-01
BR8800441A (en) 1988-09-20
ES2015037B3 (en) 1990-08-01
SU1667624A3 (en) 1991-07-30
EP0278094A3 (en) 1988-10-05
PL270439A1 (en) 1988-12-08
DK165218C (en) 1993-03-08
DK165218B (en) 1992-10-26
CN88100614A (en) 1988-11-23
PT86504B (en) 1991-12-31
NO880284D0 (en) 1988-01-25
FI880344A (en) 1988-08-08
NZ223425A (en) 1990-09-26
CN1020668C (en) 1993-05-19
DE3703858A1 (en) 1988-08-18
EP0278094A2 (en) 1988-08-17
ATE52668T1 (en) 1990-06-15
NO880284L (en) 1988-08-08
NO166351C (en) 1991-07-10
MY102195A (en) 1992-04-30
DK60988A (en) 1988-08-08
TR23089A (en) 1989-03-13
ES2015037T5 (en) 1996-03-16
HUT57565A (en) 1991-12-30
ZA88824B (en) 1988-08-05
DK60988D0 (en) 1988-02-05
DE3762693D1 (en) 1990-06-21
DE3703858C2 (en) 1988-12-15
JPH0412961B2 (en) 1992-03-06
IE61067B1 (en) 1994-09-21
JPS63194602A (en) 1988-08-11
AU593163B2 (en) 1990-02-01
KR910008959B1 (en) 1991-10-26
NO166351B (en) 1991-04-02
AU1133288A (en) 1988-08-11
DD267422A5 (en) 1989-05-03
CS268548B2 (en) 1990-03-14
KR880009600A (en) 1988-10-04
EP0278094B2 (en) 1995-11-15
IE880220L (en) 1988-08-07
YU9788A (en) 1990-06-30

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