EP0087104B1 - Sports shoe with an elastic exterior sole of plastics material - Google Patents

Sports shoe with an elastic exterior sole of plastics material Download PDF

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Publication number
EP0087104B1
EP0087104B1 EP83101425A EP83101425A EP0087104B1 EP 0087104 B1 EP0087104 B1 EP 0087104B1 EP 83101425 A EP83101425 A EP 83101425A EP 83101425 A EP83101425 A EP 83101425A EP 0087104 B1 EP0087104 B1 EP 0087104B1
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EP
European Patent Office
Prior art keywords
sole
sports shoe
running
wavebands
ribs
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.)
Expired
Application number
EP83101425A
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German (de)
French (fr)
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EP0087104A1 (en
Inventor
Armin A. Dassler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puma SE
Original Assignee
Puma AG Rudolf Dassler Sport
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Publication date
Application filed by Puma AG Rudolf Dassler Sport filed Critical Puma AG Rudolf Dassler Sport
Priority to AT83101425T priority Critical patent/ATE13245T1/en
Publication of EP0087104A1 publication Critical patent/EP0087104A1/en
Application granted granted Critical
Publication of EP0087104B1 publication Critical patent/EP0087104B1/en
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Classifications

    • 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
    • A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
    • A43B13/206—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with tubes or pipes or tubular shaped cushioning members
    • 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
    • A43B13/181—Resiliency achieved by the structure of the sole
    • 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
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
    • A43B13/26—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby

Definitions

  • the invention relates to a sports shoe with a resilient plastic outsole according to the preamble of claim 1.
  • the sports shoe sole according to DE-U-19 43 819 is provided with a bending zone oriented towards the inside of the shoe and arranged exclusively in the ball area, with ribs running parallel to one another and intermediate sole depressions extending transversely to the longitudinal axis of the sole.
  • the running side of the sole is completely flat in the area of the bending zone, so that this one-sided weakening of the sole thickness only achieves a certain increase in the flexibility of the sole within the bending zone.
  • sports shoe soles made of resilient plastic material, such as polyamide, polyurethane or the like however, the measure described above cannot sufficiently increase the flexibility of such soles in the ball and / or joint area because this sole material is not, at least not sufficiently stretchable.
  • this known sports shoe sole is further limited by the relatively wide, on both sides not provided with material weakening marginal webs and that the edges of the ribs move into an inclined position when the outsole is bent, so that these are practically stressed on bending and so that they are no longer able to absorb the weight of the athlete so that he feels the desired firm position.
  • the local weakening in the middle sole area or in the joint area is achieved by introducing approximately elliptical recesses or impressions in the front sole area and grooves running transversely to the longitudinal axis of the sole in the relatively thick-walled joint area. If ribs also remain between the adjacent grooves or embossments, these soles are also unsuitable for practical use because of the thick-walled sole area in the joint and the resulting high shoe weight, and also because of an increased risk of breakage in the joint area endangered by notch-shaped incisions . In addition, there are mutually un weakened sole edge zones that counteract the desired bending ability, especially in the ball area.
  • the invention has for its object to develop a sports shoe with a resilient outsole made of plastic of the type mentioned so that both in the bale and in the joint area an increased flexibility or flexibility is obtained such that a compression effect on the inner insole completely or at least predominantly is avoided and that the attachment of the fittings in the area of the front sole to the floor, the track or the like is maintained as long as possible.
  • this object is achieved in a sports shoe according to the preamble of claim 1 by the features listed in the characterizing part of this claim.
  • the bending force required for turning is thus reduced to a minimum and a compression effect on the inner insole is completely or at least largely avoided.
  • the corrugation of the wavy band can be adjusted so that the length gain achieved by stretching is so great that the adjacent insole is not compressed at all.
  • the insole in the area of the bending zones can also have corresponding intermediate pieces made of volume-compressible material in order to absorb a residual amount of compression forces, so that no undesired, additional resistance is opposed to the turning process from the insole.
  • the further advantage is achieved that all studs, claws or spikes in the front sole area stick to the ground for a relatively long time during the turning process are and then pretty quickly and practically vertically, i.e. pulled out of the ground without any significant effort, so that damage to raceways or lawns, preferably caused by the rear cleats, claws or spikes in the front sole area, is largely avoided and the effort required for the breakaway torque required is strong is reduced. Due to the time-extended contact of the ground with the rear sole fitting group towards the heel, the grip of the outsole is also increased, which is particularly advantageous in difficult track or ground conditions and leads to better slip resistance.
  • Figures 4 to 10 each show the waveband on a greatly enlarged scale.
  • the outsole of an athletic shoe is denoted by 1, while areas with thickened material for the studs 3, 3 'and 3 "are denoted by 2.
  • Racing shoes instead have in these areas in
  • the insole 4, which the outsole 1 covers on the inside 15 of the shoe, consists of the insole parts 6 and 7, each with a beveled abutment surface 5, which are connected to one another via an elastic, preferably volume-compressible intermediate piece 8, and at the corresponding point of the bending zone 9 or the corrugated band 9a of the outsole 1.
  • the intermediate piece 8 consists of rubber, preferably foam or poro rubber, with the property of being able to expand or be compressed in the event of tensile or compressive loads
  • Intermediate piece 8 preferably has a trapezoidal shape en trapezoidal side on the double rib-shaped wave band 9a or in the area of the bending zone of the middle part of the front sole.
  • the resilience of the intermediate piece 8 in the longitudinal direction of the sole ensures that even with extreme sole deflections with an approximately insufficient degree of corrugation, ie. H. in the case of an insufficient expansion reserve in the bending zone, an otherwise possible and disruptive bulging of the insole is avoided.
  • Such an intermediate piece can in principle also be used on the further bending zone 10 in the joint area or in the area of the waveband 10a, in order to reliably avoid any bulging of the insole 4 there as well.
  • the ribs 11 of the corrugated band 9a extend on the sole tread 17 to close, but preferably very close to the sole edge 13, while they preferably end at a distance 14 from the sole edge 13 on the inside 15 of the sole.
  • a sufficiently large fastening or adhesive strip of about 10 mm for fastening the outsole to the upper part of the sports shoe is achieved on the one hand, without, on the other hand, causing a material reinforcement which is disruptive in terms of weight, because the ribs 11 on the outsole side over the entire or extend almost over the entire sole width, in the latter case the end regions of the ribs 11 are at least rounded on the outsole side.
  • ribs 12 are also attached, but are delimited on both sides by a rib-free edge R.
  • Rectangular or trapezoidal sole parts 2 made of particularly hard, abrasion-resistant material can be provided in these edge regions R, as is also provided for the other reinforced sole parts 2 in the ball and area of the heel. Due to the remaining edge webs R, the flexibility of the outsole 1 in the front joint area is somewhat less than in the ball area, but this is not a problem because a corrugated sole part itself with remaining ones Edge webs R is considerably more flexible than a sole part weakened only by recesses on one side, as is the case with the known outsoles cited at the beginning.
  • the inner side 15 of the sole is provided with approximately trapezoidal ribs 16 and the sole running side (outer side of the sole) 17 is provided with undulating ribs 18.
  • approximately trapezoidal ribs 16 are again provided on the inner side 15 of the sole, while the ribs 19 on the sole running side 17 are roof-shaped.
  • FIG. 6 shows a bending zone or a wave band 9a or 10a with a double wave profile, which has three waves 20 on the inside 15 of the sole and two waves 20 of the same shape on the sole tread 17.
  • Fig. 8 shows U-shaped ribs 22 which are arranged in a meandering shape.
  • the outer and inner edges can be rounded, as indicated at 23.
  • FIG. 9 shows a sawtooth-shaped design of the bending zones or the wave bands 9a or 10a, in which the ribs 24 have a pointed roof shape on the outsole and insole sides.
  • FIGS. 4 to 9 A particularly simple and permanent embodiment is obtained when the plastic rods or tubes 26 are cast or injection-molded in such a way that corrugated ribs 27 with corrugated troughs 28 are formed on the fire and outsole side.
  • the dimensions of the wave crests and wave troughs are such that preferably three wave crests and four wave troughs are arranged in the ball area between the front and rear fittings, while five wave crests and six wave troughs are preferably arranged in the front joint area after the rear fittings 3 ', 3' of the front sole are.
  • wavebands made from prefabricated individual parts are used, the flexibility of the respective wavebands can be particularly adapted by a different choice of material.
  • shaft bands integrated with the outsole an adjustment is possible in that the shaft bands have different shapes in the ball and joint area. In particular, it seems favorable to make the waviness of the wavy band more pronounced by specific shapes in the ball area than in the joint area, that is to say that the flexibility in the ball area is greater or at least somewhat greater than in the adjacent front joint area.
  • the object of the present invention is not limited to the exemplary embodiments shown and described, but can be modified in several ways.
  • the different rib profiles can be combined with one another as desired and either have the same on both sides or else different profiles on the inner side 15 of the sole and on the sole tread 17.
  • the invention is also not limited to sports shoes for team sports, such as soccer, handball, hockey or the like. It is used with the same or similar advantages for individual sports, especially for different running sports or jumping competitions.
  • the fittings do not necessarily have to be attached to the outsole in a replaceable manner. They can also form a unit with the outsole, as for example in the case of the so-called nubbed soles or consist of another, preferably harder material than the outsole and are then cast or extrusion-coated directly by the outsole material.
  • the exceptional flexibility of the sports shoes with the outsole according to the invention is due, on the one hand, to the shape (wave bands) and, on the other hand, to the possibility of stretching or stretching the wave bands.
  • Sports shoes made according to the invention also have better long-term behavior, since the risk of material fatigue is considerably reduced by removing the jam between the outsole and the insole.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

Die Erfindung bezieht sich auf einen Sportschuh mit einer federelastischen Laufsohle aus Kunststoff gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a sports shoe with a resilient plastic outsole according to the preamble of claim 1.

Es hat bisher nicht an Versuchen gefehlt, die Biegsamkeit von Sportschuhsohlen im Ballen-und/oder im Gelenkbereich zu erhöhen.There has been no lack of attempts to increase the flexibility of sports shoe soles in the ball and / or joint area.

So ist beispielsweise die Sportschuhsohle nach dem DE-U-19 43 819 mit einer nach der Schuhinnenseite ausgerichteten und ausschließlich im Ballenbereich angeordneten Biegezone versehen, wobei parallel zueinander verlaufende Rippen und dazwischenliegende Sohlenvertiefungen quer zur Sohlenlängsachse verlaufen. Die Laufseite der Sohle hingegen ist im Bereich der Biegezone völlig eben ausgebildet, so daß durch diese einseitige Schwächung der Sohlenstärke nur eine gewisse Erhöhung der Biegsamkeit der Sohle innerhalb der Biegezone erzielt wird. Bei Sportschuhsohlen aus federelastischem Kunststoffmaterial, wie Polyamid, Polyurethan oder dgl., kann jedoch mit der vorstehendbeschriebenen Maßnahme eine ausreichende Erhöhung der Biegsamkeit solcher Sohlen im Ballen- und/oder im Gelenkbereich nicht erzielt werden, weil dieses Sohlenmaterial nicht, jedenfalls nicht ausreichend dehnbar ist. Hinzukommt, daß die Biegsamkeit dieser bekannten Sportschuhsohle durch die verhältnismäßig breiten, beiderseitig nicht mit Materialschwächungen versehenen randseitigen Stege darüber hinaus noch begrenzt ist und daß die Kanten der Rippen beim Abbiegen der Laufsohle in eine geneigte Lage rücken, so daß diese praktisch auf Biegung beansprucht werden und damit nicht mehr in der Lage sind, das Gewicht des Sportlers so aufzunehmen, daß dieser den gewünschten festen Stand verspürt.For example, the sports shoe sole according to DE-U-19 43 819 is provided with a bending zone oriented towards the inside of the shoe and arranged exclusively in the ball area, with ribs running parallel to one another and intermediate sole depressions extending transversely to the longitudinal axis of the sole. The running side of the sole, on the other hand, is completely flat in the area of the bending zone, so that this one-sided weakening of the sole thickness only achieves a certain increase in the flexibility of the sole within the bending zone. In the case of sports shoe soles made of resilient plastic material, such as polyamide, polyurethane or the like, however, the measure described above cannot sufficiently increase the flexibility of such soles in the ball and / or joint area because this sole material is not, at least not sufficiently stretchable. In addition, the flexibility of this known sports shoe sole is further limited by the relatively wide, on both sides not provided with material weakening marginal webs and that the edges of the ribs move into an inclined position when the outsole is bent, so that these are practically stressed on bending and so that they are no longer able to absorb the weight of the athlete so that he feels the desired firm position.

Aus dem DE-U-19 73 891 ist es bekannt, durch eine laufsohlenseitige Schwächung der Sohlenstärke eine bestimmte Biegbarkeit der Sohle zu erreichen. Bei dieser Ausführung wird die örtliche Schwächung im mittleren Sohlen- bzw. im Gelenkbereich durch Einbringung von annähernd elliptischen Aussparungen bzw. Einprägungen im Vordersohlenbereich und quer zur Sohlenlängsachse verlaufenden Rillen im Verhältnismäßig dickwandig ausgebildeten Gelenkbereich erreicht. Wenn hierbei zwischen den benachbarten Rillen bzw. Einprägungen auch Rippen stehenbleiben, so sind auch diese Sohlen wegen des dickwandigen Sohlenbereiches im Gelenk und des dadurch bedingten hohen Schuhgewichtes, sowie auch wegen einer erhöhten Bruchgefahr in dem durch kerbenförmige Einschnitte gefährdeten Gelenkbereich für einen praktischen Einsatz wenig geeignet. Hinzukommen beiderseitig ungeschwächte Sohlenrandzonen, die der gewünschten Biegefähigkeit besonders im Ballenbereich entgegenwirken.From DE-U-19 73 891 it is known to achieve a certain flexibility of the sole by weakening the sole thickness on the outsole side. In this embodiment, the local weakening in the middle sole area or in the joint area is achieved by introducing approximately elliptical recesses or impressions in the front sole area and grooves running transversely to the longitudinal axis of the sole in the relatively thick-walled joint area. If ribs also remain between the adjacent grooves or embossments, these soles are also unsuitable for practical use because of the thick-walled sole area in the joint and the resulting high shoe weight, and also because of an increased risk of breakage in the joint area endangered by notch-shaped incisions . In addition, there are mutually un weakened sole edge zones that counteract the desired bending ability, especially in the ball area.

Diese Nachteile gelten sinngemäß auch für Sportschuhsohlen nach der DE-A-20 22 974 und nach dem DE-U-70 06 079. Hinzukommt, daß insbesondere die in dieser Form ausgebildeten Querrillen Sammelstellen für kleine Steinchen oder sonstige Fremdkörper, wie Schmutzteilchen, bilden, die vielfach ein Zurückgehen der verhältnismäßig dicken Sohlenteile in ihre Ursprungslage verhindern. Dies ist für den Sportler ebenfalls recht unangenehm und verringert seine sportliche Leistung in erhöhtem Maße.These disadvantages also apply analogously to sports shoe soles according to DE-A-20 22 974 and DE-U-70 06 079. In addition, the transverse grooves formed in this form form collection points for small stones or other foreign bodies such as dirt particles, which often prevent the relatively thick sole parts from returning to their original position. This is also quite uncomfortable for the athlete and reduces his athletic performance to an increased degree.

Der Erfindung liegt die Aufgabe zugrunde, einen Sportschuh mit einer federelastischen Laufsohle aus Kunststoff der eingangs erwähnten Art so weiterzubilden, daß man sowohl im Ballenals auch im Gelenkbereich eine erhöhte Biegefähigkeit bzw. Flexibilität derart erhält, daß ein Staucheffekt auf die innenliegende Brandsohle ganz oder zumindest überwiegend vermieden wird und daß die Verhaftung der Beschläge im Bereich der Vordersohle mit dem Boden, der Laufbahn oder dgl. möglichst lange aufrechterhalten wird.The invention has for its object to develop a sports shoe with a resilient outsole made of plastic of the type mentioned so that both in the bale and in the joint area an increased flexibility or flexibility is obtained such that a compression effect on the inner insole completely or at least predominantly is avoided and that the attachment of the fittings in the area of the front sole to the floor, the track or the like is maintained as long as possible.

Gemäß der Erfindung wird diese Aufgabe bei einem Sportschuh nach dem Oberbegriff des Anspruches 1 durch die im Kennzeichen dieses Anspruches aufgeführten Merkmale gelöst.According to the invention, this object is achieved in a sports shoe according to the preamble of claim 1 by the features listed in the characterizing part of this claim.

Durch die vorliegende Erfindung werden gleichzeitig mehrere Vorteile erzielt. Zunächst ist eine extreme Abbiegemöglichkeit der Vordersohle im Ballenbereich und im gleichen Maße oder auch im geringeren Umfange auch im vorderen Gelenkbereich ohne Beeinträchtigung des natürlichen Abrollvorganges des Fußes in diesen Sohlenbereichen gegeben und zwar gleichmäßig über die gesamte Sohlenbreite. Die als Wellenband ausgebildeten Biegezonen sind extrem biegefähig, weil durch das Wellenband ein Materialvorrat geschaffen wird, der eine Ausdehnung, d. h. eine echte Streckung bzw. Verlängerung der Laufsohle in Sohlenlängsrichtung bzw. in Richtung des Krümmungsradius der Laufsohle auch bei Verwendung von Hause aus nicht dehnbaren, federelastischen Kunststoffen ermöglicht. Damit wird die zum Abbiegen notwendige Biegekraft auf ein Minimum reduziert und ein Staucheffekt auf die innenliegende Brandsohle ganz oder zumindest weitestgehend vermieden. Die Wellung des Wellenbandes kann so eingestellt werden, daß der durch Dehnung erzielte Längengewinn so groß ist, daß eine Stauchung der benachbarten Brandsohle überhaupt nicht gegeben ist. Grundsätzlich kann die Brandsohle im Bereich der Biegezonen aber auch korrespondierende Zwischenstücke aus volumenkompressiblem Material aufweisen, um einen Restbetrag von Stauchkräften aufzunehmen, so daß dem Abbiegevorgang von der Brandsohle her kein unerwünschter, zusätzlicher Widerstand entgegengesetzt wird.Several advantages are achieved by the present invention at the same time. First of all, there is an extreme possibility of bending the front sole in the ball area and to the same extent or to a lesser extent also in the front joint area without impairing the natural rolling process of the foot in these sole areas, and that evenly over the entire sole width. The bending zones designed as a wave band are extremely bendable because the wave band creates a material supply which allows for an expansion, i. H. enables a real extension or extension of the outsole in the longitudinal direction of the sole or in the direction of the radius of curvature of the outsole, even when used from non-stretchable, resilient plastics. The bending force required for turning is thus reduced to a minimum and a compression effect on the inner insole is completely or at least largely avoided. The corrugation of the wavy band can be adjusted so that the length gain achieved by stretching is so great that the adjacent insole is not compressed at all. In principle, however, the insole in the area of the bending zones can also have corresponding intermediate pieces made of volume-compressible material in order to absorb a residual amount of compression forces, so that no undesired, additional resistance is opposed to the turning process from the insole.

Durch die ungewöhnliche Biegefähigkeit der Laufsohle in der bzw. in den Biegezonen wird der weitere Vorteil erzielt, daß alle Stollen, Krallen oder Spikes im Vordersohlenbereich beim Abbiegevorgang relativ lange mit dem Boden verhaftet sind und dann ziemlich schnell und praktisch senkrecht, d. h. ohne nennenswerte Kraftanstrengung aus dem Boden herausgezogen werden, so daß eine Beschädigung von Laufbahnen oder Rasenflächen, vorzugsweise durch die hinteren Stollen, Krallen oder Spikes im Vordersohlenbereich weitgehend vermieden und der Kraftaufwand für das hierfür erforderliche Losbrechmoment stark vermindert wird. Durch den zeitlich verlängerten Bodenkontakt der in Richtung zur Ferse hin hinteren Beschlägegruppe der Vordersohle wird auch die Griffigkeit der Laufsohle erhöht, was insbesondere bei schwierigen Bahn- oder Bodenverhältnissen günstig ist und zu einer besseren Rutschsicherheit führt.Due to the unusual bending ability of the outsole in or in the bending zones, the further advantage is achieved that all studs, claws or spikes in the front sole area stick to the ground for a relatively long time during the turning process are and then pretty quickly and practically vertically, i.e. pulled out of the ground without any significant effort, so that damage to raceways or lawns, preferably caused by the rear cleats, claws or spikes in the front sole area, is largely avoided and the effort required for the breakaway torque required is strong is reduced. Due to the time-extended contact of the ground with the rear sole fitting group towards the heel, the grip of the outsole is also increased, which is particularly advantageous in difficult track or ground conditions and leads to better slip resistance.

Bei der Lösung der Erfindung zugrundeliegenden Aufgabe ergaben sich darüber hinaus weitere vorteilhafte konstruktive Ausgestaltungen, die in den Unteransprüchen erfaßt sind.In the solution of the object on which the invention is based, there were further advantageous constructive configurations which are covered in the subclaims.

Weitere Einzelheiten und Vorteile der Erfindung werden nachfolgend anhand der Zeichnung näher erläutert, in denen mehrere Ausführungsbeispiele gemäß der Erfindung dargestellt sind. Es zeigen :

  • Figur 1 eine Draufsicht auf die Laufseite eines Sportschuhes mit der erfindungsgemäß ausgebildeten Sportschuhsohle,
  • Figur 2 einen Längsschnitt durch die Laufsohle gemäß Fig. 1 in der Sohlenlängsachse gemäß der Schnittlinie 11-11,
  • Figur 3 eine Draufsicht auf ein Teilstück der dem Schuhinneren zugewandten Sohlenseite,
  • Figur 4 einen Querschnitt durch die Biegezone bzw. durch das Wellenband gemäß den Schnittlinien 111-111 und IV-IV in Fig. 1, wobei die Sohle auf der Schuhinnenseite mit etwa trapezförmigen und auf der Laufflächenseite mit wellenförmigen Rippen in Form eines Wellenbandes ausgebildet ist,
  • Figur 5 einen entsprechenden Querschnitt des Wellenbandes mit laufseitig angebrachten sägezahnförmigen Rippen,
  • Figur 6 einen Querschnitt des Wellenbandes mit beidseitig wellenförmig ausgebildeten Rippen,
  • Figur 7 einen Querschnitt des Wellenbandes mit beidseitig etwa trapezförmig ausgebildeten Rippen,
  • Figur 8 einen Querschnitt des Wellenbandes mit beiderseitigen Rippen in Mäanderform,
  • Figur 9 einen Querschnitt des Wellenbandes in Form eines Faltenbalges bzw. mit beidseitig dachförmig ausgebildeten Rippen und
  • Figur 10 einen Querschnitt des Wellenbandes in Form von parallel zueinander angeordneten Röhrchen, die sich wenigstens nahezu über die gesamte Sohlenbreite erstrecken und vom Sohlenwerkstoff umschlossen sind.
Further details and advantages of the invention are explained in more detail below with reference to the drawing, in which several exemplary embodiments according to the invention are shown. Show it :
  • FIG. 1 shows a top view of the running side of a sports shoe with the sports shoe sole designed according to the invention,
  • 2 shows a longitudinal section through the outsole according to FIG. 1 in the longitudinal axis of the sole according to section line 11-11,
  • FIG. 3 shows a plan view of a section of the sole side facing the inside of the shoe,
  • FIG. 4 shows a cross section through the bending zone or through the wavy band in accordance with the cutting lines 111-111 and IV-IV in FIG. 1, the sole being designed with an approximately trapezoidal rib on the inside of the shoe and with wavy ribs in the form of a wavy band on the tread side,
  • FIG. 5 shows a corresponding cross section of the wave band with sawtooth-shaped ribs attached on the running side,
  • FIG. 6 shows a cross section of the waveband with ribs of wavy design on both sides,
  • FIG. 7 shows a cross section of the waveband with approximately trapezoidal ribs on both sides,
  • FIG. 8 shows a cross section of the wave band with ribs in a meandering shape on both sides,
  • FIG. 9 shows a cross section of the corrugated band in the form of a bellows or with ribs which are roof-shaped on both sides and
  • 10 shows a cross section of the wave band in the form of tubes arranged parallel to one another, which extend at least almost over the entire width of the sole and are enclosed by the sole material.

Die Figuren 4 bis 10 zeigen das Wellenband jeweils in stark vergrößertem Maßstab.Figures 4 to 10 each show the waveband on a greatly enlarged scale.

In den Fig. 1 bis 3 ist mit 1 die Laufsohle eines nicht näher dargestellten Sportschuhes, insbesondere Fußballschuhes, bezeichnet, während mit 2 materialmäßig verdickte Bereiche für die Stollen 3, 3' und 3" gekennzeichnet sind. Bei Rennschuhen sind stattdessen in diesen Bereichen in entsprechend angepaßter Form Spikes oder Krallen angebracht. Die Brandsohle 4, die Laufsohle 1 auf der Schuhinnenseite 15 bedeckt, besteht aus den mit je einer abeschrägten Stoßfläche 5 versehenen Brandsohlenteilen 6 und 7, die über ein elastisches, vorzugsweise volumenkompressibles Zwischenstück 8 miteinander verbunden sind, und zwar an der korrespondierenden Stelle der biegezone 9 bzw. des Wellenbandes 9a der Laufsohle 1. Das Zwischenstück 8 besteht aus Gummi, vorzugsweise Schaum-oder Porogummi, mit der Eigenschaft, bei Zug-oder Druckbelastungen sich ausdehnen bzw. in sich gestaucht werden zukönnen. Das Zwischenstück 8 besitzt vorzugsweise eine trapezförmige Form. Dieses Zwischenstück 8 liegt mit der großen Trapezseite auf dem doppelrippenförmigen Wellenband 9a bzw. im Bereich der Biegezone des mittleren Teiles der Vordersohle. Durch die Nachgiebigkeit des Zwischenstückes 8 in Sohlenlängsrichtung wird sichergestellt, daß auch bei extremen Sohlendurchbiegungen bei einem etwa nicht ausreichendem « Wellungsgrad », d. h. bei einer nicht ganz ausreichenden Dehnungsreserve der Biegezone eine ansonsten noch mögliche und störende Wulstbildung der Brandsohle vermieden wird. Ein solches Zwischenstück kann grundsätzlich auch an der weiteren Biegezone 10 im Gelenkbereich bzw. im Bereich des Wellenbandes 10a eingesetzt werden, um auch dort jegliche Wulstbildung der Brandsohle 4 mit Sicherheit zu vermeiden.1 to 3, the outsole of an athletic shoe, not shown in particular a soccer shoe, is denoted by 1, while areas with thickened material for the studs 3, 3 'and 3 "are denoted by 2. Racing shoes instead have in these areas in The insole 4, which the outsole 1 covers on the inside 15 of the shoe, consists of the insole parts 6 and 7, each with a beveled abutment surface 5, which are connected to one another via an elastic, preferably volume-compressible intermediate piece 8, and at the corresponding point of the bending zone 9 or the corrugated band 9a of the outsole 1. The intermediate piece 8 consists of rubber, preferably foam or poro rubber, with the property of being able to expand or be compressed in the event of tensile or compressive loads Intermediate piece 8 preferably has a trapezoidal shape en trapezoidal side on the double rib-shaped wave band 9a or in the area of the bending zone of the middle part of the front sole. The resilience of the intermediate piece 8 in the longitudinal direction of the sole ensures that even with extreme sole deflections with an approximately insufficient degree of corrugation, ie. H. in the case of an insufficient expansion reserve in the bending zone, an otherwise possible and disruptive bulging of the insole is avoided. Such an intermediate piece can in principle also be used on the further bending zone 10 in the joint area or in the area of the waveband 10a, in order to reliably avoid any bulging of the insole 4 there as well.

Die Rippen 11 des Wellenbandes 9a reichen auf der Sohlenlauffläche 17 bis nahe, vorzugsweise aber ganz bis unmittelbar an den Sohlenrand 13 heran, während sie auf der Sohleninnenseite 15 vorzugsweise mit einem Abstand 14 vom Sohlenrand 13 enden. Auf diese Weise wird einerseits ein ausreichend großer Befestigungs- oder Klebestreifen von etwa 10 mm für die Befestigung der Laufsohle am Oberteil des Sportschuhes erzielt, ohne daß andererseits an dieser Stelle eine gewichtsmäßig störende Materialverstärkung bewirkt wird, weil sich die Rippen 11 laufsohlenseitig über die gesamte oder fast über die gesamte Sohlenbreite erstrecken, wobei im letzteren Falle die Endbereiche der Rippen 11 wenigstens laufsohlenseitig verrundet sind.The ribs 11 of the corrugated band 9a extend on the sole tread 17 to close, but preferably very close to the sole edge 13, while they preferably end at a distance 14 from the sole edge 13 on the inside 15 of the sole. In this way, a sufficiently large fastening or adhesive strip of about 10 mm for fastening the outsole to the upper part of the sports shoe is achieved on the one hand, without, on the other hand, causing a material reinforcement which is disruptive in terms of weight, because the ribs 11 on the outsole side over the entire or extend almost over the entire sole width, in the latter case the end regions of the ribs 11 are at least rounded on the outsole side.

Im Bereich des Gelenkes, insbesondere des vorderen Gelenkteiles, sind ebenfalls Rippen 12 angebracht, die jedoch beidseitig von einem rippenfreien Rand R begrenzt werden. In diesen Randbereichen R können rechteckige bzw. trapezförmige Sohlenteile 2 aus besonders hartem, abriebfestem Material vorgesehen sein, wie dies auch für die übrigen verstärkten Sohlenteile 2 im Ballen und Bereich der Ferse vorgesehen ist. Durch die verbleibenden Randstege R ist die Biegefreudigkeit der Laufsohle 1 im vorderen Gelenkbereich etwas geringer als im Ballenbereich, was jedoch nicht störend ist, weil ein gewelltes Sohlenteil selbst mit verbleibenden Randstegen R wesentlich flexibler ist als ein lediglich durch einseitige Ausnehmungen geschwächtes Sohlenteil, wie dies bei den eingangs zitierten, bekannten Laufsohlen der Fall ist. Grundsätzlich bestünde aber auch die Möglichkeit, das Wellenband 10a insbesondere in den Zwischenbereichen zwischen den verstärkten Sohlenteilen 2 breiter auszuführen, d. h. das Wellenband 10a in diesen Zwischenbereichen ganz oder nahezu ganz bis zum jeweiligen Sohlenrand auslaufen zu lassen.In the area of the joint, in particular the front joint part, ribs 12 are also attached, but are delimited on both sides by a rib-free edge R. Rectangular or trapezoidal sole parts 2 made of particularly hard, abrasion-resistant material can be provided in these edge regions R, as is also provided for the other reinforced sole parts 2 in the ball and area of the heel. Due to the remaining edge webs R, the flexibility of the outsole 1 in the front joint area is somewhat less than in the ball area, but this is not a problem because a corrugated sole part itself with remaining ones Edge webs R is considerably more flexible than a sole part weakened only by recesses on one side, as is the case with the known outsoles cited at the beginning. In principle, however, there would also be the possibility of making the corrugated band 10a wider, in particular in the intermediate areas between the reinforced sole parts 2, ie allowing the corrugated band 10a to run out completely or almost entirely up to the respective sole edge in these intermediate areas.

In den Fig. 4 bis 10 sind verschiedene Ausführungsbeispiele für die Ausbildung der Wellenbänder 9a bzw. 10a dargestellt.4 to 10 different embodiments for the formation of the wavebands 9a and 10a are shown.

In Fig. 4 ist die Sohleninnenseite 15 mit annähernd trapezförmigen Rippen 16 und die Sohlenlaufseite (Sohlenaußenseite) 17 mit wellenförmigen Rippen 18 versehen.In FIG. 4, the inner side 15 of the sole is provided with approximately trapezoidal ribs 16 and the sole running side (outer side of the sole) 17 is provided with undulating ribs 18.

In Fig. 5 sind auf der Sohleninnenseite 15 wiederum annähernd trapezförmige Rippen 16 vorgesehen, während die Rippen 19 auf der Sohlenlaufseite 17 dachförmig ausgebildet sind.5, approximately trapezoidal ribs 16 are again provided on the inner side 15 of the sole, while the ribs 19 on the sole running side 17 are roof-shaped.

Fig. 6 zeigt eine Biegezone bzw. ein Wellenband 9a bzw. 10a mit einem Doppel-Wellenprofil, das auf der Sohleninnenseite 15 drei Wellen 20 und auf der Sohlenlauffläche 17 zwei Wellen 20 gleicher Form aufweist.6 shows a bending zone or a wave band 9a or 10a with a double wave profile, which has three waves 20 on the inside 15 of the sole and two waves 20 of the same shape on the sole tread 17.

Fig. 7 zeigt ein Doppelrippenprofil mit annähernd trapezförmigen Rippen 21.7 shows a double rib profile with approximately trapezoidal ribs 21.

Fig. 8 läßt U-förmige Rippen 22 erkennen, die mäanderförmig angeordnet sind. Dabei können die äußeren und inneren Kanten abgerundet werden, wie dies bei 23 angedeutet ist.Fig. 8 shows U-shaped ribs 22 which are arranged in a meandering shape. The outer and inner edges can be rounded, as indicated at 23.

Fig. 9 zeigt eine sägezahnförmige Ausführung der Biegezonen bzw. der Wellenbänder 9a bzw. 10a, bei der die Rippen 24 laufsohlen- und brandsohlenseitig spitzdachförmig verlaufen.FIG. 9 shows a sawtooth-shaped design of the bending zones or the wave bands 9a or 10a, in which the ribs 24 have a pointed roof shape on the outsole and insole sides.

Fig. 10 zeigt eine Ausführungsform, bei der das Wellenprofilteil als getrenntes Bauteil hergestellt und während der Sohlenherstellung vom Sohlenwerkstoff mit umspritzt bzw. umgossen wird. Rippenförmige Verankerungsteile sind mit 25 bezeichnet. Grundsätzlich können diese Verankerungsteile 25 aber auch eingespart werden, indem die Enden des Wellenprofilteiles mit den beiderseits angrenzenden Laufsohlenteilen beispielsweise verklebt werden. Die Herstellung als gesondertes Profilteil ist im übrigen auch mit den in den Fig. 4 bis 9 gezeigten Wellenbändern 9a, 10a möglich. Eine besonders einfache und dauerhafte Ausführungsform erhält man dann, wenn die Kunststoffstäbchen oder -röhrchen 26 so umgossen oder umspritzt werden, daß brand-und laufsohlenseitig wellenförmige Rippen 27 mit dazwischenliegenden Wellentälern 28 entstehen.10 shows an embodiment in which the corrugated profile part is produced as a separate component and is molded or cast around by the sole material during the sole production. Rib-shaped anchoring parts are designated by 25. In principle, however, these anchoring parts 25 can also be saved by, for example, gluing the ends of the corrugated profile part to the outsole parts adjoining on both sides. The manufacture as a separate profile part is also possible with the wavebands 9a, 10a shown in FIGS. 4 to 9. A particularly simple and permanent embodiment is obtained when the plastic rods or tubes 26 are cast or injection-molded in such a way that corrugated ribs 27 with corrugated troughs 28 are formed on the fire and outsole side.

Die Abmessungen der Wellenberge und Wellentäler sind so bemessen, daß im Ballenbereich zwischen den vorderen und hinteren Beschlägen vorzugsweise drei Wellenberge und vier Wellentäler angeordnet sind, während im vorderen Gelenkbereich nach den hinteren Beschlägen 3', 3' der Vordersohle vorzugsweise fünf Wellenberge und sechs Wellentäler angeordnet sind. Falls Wellenbänder aus vorgefertigten Einzelteilen verwendet werden, läßt sich durch eine unterschiedliche Materialwahl die Biegefähigkeit der jeweiligen Wellenbänder noch besonders anpassen. Aber auch bei mit der Laufsohle integrierten Wellenbändern ist eine Anpassung insofern möglich, als die Wellenbänder im Ballen- und im Gelenkbereich unterschiedliche Formen besitzen. Insbesondere scheint es günstig, die Biegefreudigkeit des Wellenbandes durch spezifische Formgebungen im Ballenbereich ausgeprägter auszubilden als im Gelenkbereich, das heißt, daß die Biegefähigkeit im Ballenbereich größer oder wenigstens etwas größer ist als im angrenzenden vorderen Gelenkbereich.The dimensions of the wave crests and wave troughs are such that preferably three wave crests and four wave troughs are arranged in the ball area between the front and rear fittings, while five wave crests and six wave troughs are preferably arranged in the front joint area after the rear fittings 3 ', 3' of the front sole are. If wavebands made from prefabricated individual parts are used, the flexibility of the respective wavebands can be particularly adapted by a different choice of material. But also with shaft bands integrated with the outsole, an adjustment is possible in that the shaft bands have different shapes in the ball and joint area. In particular, it seems favorable to make the waviness of the wavy band more pronounced by specific shapes in the ball area than in the joint area, that is to say that the flexibility in the ball area is greater or at least somewhat greater than in the adjacent front joint area.

Der Gegenstand der vorliegenden Erfindung beschränkt sich nicht auf die dargestellten und beschriebenen Ausführungsbeispiele, sondern er kann in mehrfacher Weise abgewandelt werden. So können beispielsweise die verschiedenen Rippenprofile beliebig miteinander kombiniert und entweder beidseitig gleich oder aber auch verschiedenartige Profile auf der Sohleninnenseite 15 und auf der Sohlenlauffläche 17 besitzen.The object of the present invention is not limited to the exemplary embodiments shown and described, but can be modified in several ways. For example, the different rib profiles can be combined with one another as desired and either have the same on both sides or else different profiles on the inner side 15 of the sole and on the sole tread 17.

Als Sohlenmaterialien kommen neben den bei Fußballschuhen verbreitet eingesetzten Kunststoffen, wie Polyamid (Nylon) oder Polyurethan alle in der Sportschuhindustrie gängigen biegsamen, vorzugsweise federelastischen Kunststoffe, in Betracht, sofern diese die vom jeweiligen Wettbewerb gestellten Anforderungen erfüllen.In addition to the plastics commonly used in soccer shoes, such as polyamide (nylon) or polyurethane, all of the flexible, preferably resilient plastics commonly used in the sports shoe industry are considered as sole materials, provided they meet the requirements of the respective competition.

Die Erfindung ist auch nicht auf Sportschuhe für Mannschaftssportarten, wie Fußball, Handball, Hockey oder dgl. beschränkt. Sie kommt mit gleichen oder ähnlichen Vorteilen auch bei Individualsportarten, insbesondere bei den verschiedenen Laufsportarten oder Sprungwettbewerbern mit Vorteil zur Anwendung.The invention is also not limited to sports shoes for team sports, such as soccer, handball, hockey or the like. It is used with the same or similar advantages for individual sports, especially for different running sports or jumping competitions.

Die Beschläge müssen nicht unbedingt auswechselbar an der Laufsohle befestigt sein. Sie können auch eine Einheit mit der Laufsohle bilden, wie beispielsweise bei den sogenannten Noppensohlen oder aus anderem, vorzugsweise härterem Material als die Laufsohle bestehen und dann direkt von dem Laufsohlenmaterial umgossen bzw. umspritzt werden.The fittings do not necessarily have to be attached to the outsole in a replaceable manner. They can also form a unit with the outsole, as for example in the case of the so-called nubbed soles or consist of another, preferably harder material than the outsole and are then cast or extrusion-coated directly by the outsole material.

Die außergewöhnliche Biegsamkeit der Sportschuhe mit der erfindungsgemäßen Laufsohle ist einerseits in der Formgebung (Wellenbänder) und andererseits in der Möglichkeit der Dehnung oder Streckung der Wellenbänder begründet.The exceptional flexibility of the sports shoes with the outsole according to the invention is due, on the one hand, to the shape (wave bands) and, on the other hand, to the possibility of stretching or stretching the wave bands.

Die beiden Biegebereiche mit erhöhter Flexibilität verbessern die Beweglichkeit des Fußes, was insbesondere beim Fußballspielen eine gefühlvollere Ballbehandlung und einen perfekteren Abrollvorgang des Sportschuhes ohne frühzeitige Ermüdungserscheinungen ermöglicht. Nach der Erfindung hergestellte Sportschuhe besitzen auch ein besseres Langzeitverhalten, da durch die Beseitigung des Staues zwischen der Laufsohle und der Brandsohle die Gefahr der Materialermüdung erheblich reduziert ist.The two bending areas with increased flexibility improve the mobility of the foot, which enables a more sensitive ball treatment and a more perfect rolling of the sports shoe without early signs of fatigue, especially when playing football. Sports shoes made according to the invention also have better long-term behavior, since the risk of material fatigue is considerably reduced by removing the jam between the outsole and the insole.

Claims (17)

1. A sports shoe having a springily elastic running sole of plastics, in particular of polyamide, to the running face of which are attached preferably interchangeably fittings such as bars, claws or studs (3, 3', 3") and which in the region of the ball of the foot between two groups of fittings exhibits a zone (9) of bend having ribs arranged in parallel with one another, running across the longitudinal axis of the sole, characterized in that adjoining the zone (9) of bend in the region of the ball of the foot, looking in the direction towards the heel behind the groups (3'-3') of fittings bounding this zone (9) of bend, a further zone (10) of bend is provided, having ribs (12) arranged in parallel with one another, running across the longitudinal axis of the sole, and that the ribs (11,12) in both zones (9, 10) of bend form a continuous waveband (9a, 10a) consisting of wave crests and wave troughs.
2. A sports shoe as in Claim 1, characterized in that the waveband or wavebands (9a, 10a) consist of the same material as the remaining parts of the running sole (1) and are integrated with them.
3. A sports shoe as in Claim 1 or 2, characterized in that at least some of the ribs (11, 12 ; 16, 18 ; 16.19 ; 20 ; 21 ; 22; 24 ; 27) extend at least on the outside (17) of the sole nearly across the whole width of the sole.
4. A sports shoe as in one of the Claims 1 to 3, characterized in that the ribs (16 ; 20 ; 21 ; 22 ; 24 ; 27) on the inside (15) of the sole extend only so far across the longitudinal axis of the sole that at the edges of the sole on both sides a ribfree edge strip (14) of about 10 mm is left (Figure 3).
5. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or wavebands (9a, 10a) are made in cross-section as a wave line having rounded wave crests on the running sole ride and the welt side (Figure 6).
6. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or wavebands (9a, 10a) are made in cross-section as a double trapezoidal line (Figure 7).
7. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or wavebands (9a, 10a) are made in cross-section as a sawtooth line (Figure 9).
8. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or waveband (9a, 10a) exhibit in cross-section wave crests which on the running sole side are roof-shaped and on the welt side are trapezoidal (Figure 5).
9. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or wavebands (9a, 10a) are made meander-shaped in cross-section (Figure 8).
10. A sports shoe as in one of the Claims 1 to 4, characterized in that the waveband or wavebands (9a, 10a) are formed by the material of the running sole through casting or injecting it round small tubes (26) arranged across the longitudinal axis of the sole (Figure 10).
11. A sports shoe as in one of the Claims 1 to 10, characterized in that the zone (10) of bend in the region of the joint is made on the running sole side and on the welt side in such a way that in both planes of the sole in the edge regions on both sides a ribfree strip (R) of about 10 mm is left.
12. A sports shoe as in one of the Claims 1 to 11, characterized in that in the case of ribs (11, 12) which do not extend across the whole width of the sole the end regions of the ribs at least on the running sole side are rounded (Figure 1).
13. A sports shoe as in one or more of the Claims 1 to 12, characterized in that the zone (9) of bend in the region of the ball of the foot has a higher flexibility than the adjoining zone (10) of bend in the region of the joint.
14. A sports shoe as in Claim 13, characterized in that the differing flexibility in the zones (9, 10) of bend in the regions of the ball of the foot and of the joint is achieved by giving different shapes to the wavebands (9a, 10a).
15. A sports shoe as in one of the Claims 1 to 14, characterized in that with the running sole (1) of the sports shoe a welt (4) is associated, which at least at the place of one of the two wavebands (9a, 10a) is provided with corresponding intermediate pieces (8) of material compressible in volume (Figure 2).
16. A sports shoe as in Claim 15, characterized in that the material compressible in volume is able to lengthen or shorten depending upon the forces (forces of tension or compression) exerted upon it (Figure 2).
17. A sports shoe as in one of the Claims 1 to 16, characterized in that the wavebands (9a, 10a) are made as a separate prefabricated component which can be combined with the other parts of the running sole by glueing, casting round them, or the like.
EP83101425A 1982-02-22 1983-02-15 Sports shoe with an elastic exterior sole of plastics material Expired EP0087104B1 (en)

Priority Applications (1)

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AT83101425T ATE13245T1 (en) 1982-02-22 1983-02-15 SPORTS SHOE WITH A PLASTIC OUTSOLE MADE OF PLASTIC.

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Application Number Priority Date Filing Date Title
DE3206305 1982-02-22
DE3206305 1982-02-22

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EP0087104A1 EP0087104A1 (en) 1983-08-31
EP0087104B1 true EP0087104B1 (en) 1985-05-15

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EP (1) EP0087104B1 (en)
JP (1) JPS58152501A (en)
AR (1) AR228821A1 (en)
AT (1) ATE13245T1 (en)
BR (1) BR6300196U (en)
CA (1) CA1194299A (en)
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JPS58152501A (en) 1983-09-10
BR6300196U (en) 1984-05-02
CA1194299A (en) 1985-10-01
ATE13245T1 (en) 1985-06-15
DE3360180D1 (en) 1985-06-20
US4507879A (en) 1985-04-02
AR228821A1 (en) 1983-04-15
EP0087104A1 (en) 1983-08-31
JPS6124001B2 (en) 1986-06-09

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