EP0103285A1 - Sports shoe for athletics - Google Patents

Sports shoe for athletics Download PDF

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Publication number
EP0103285A1
EP0103285A1 EP83108929A EP83108929A EP0103285A1 EP 0103285 A1 EP0103285 A1 EP 0103285A1 EP 83108929 A EP83108929 A EP 83108929A EP 83108929 A EP83108929 A EP 83108929A EP 0103285 A1 EP0103285 A1 EP 0103285A1
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EP
European Patent Office
Prior art keywords
outsole
sports shoe
shoe according
stiffening plate
foot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83108929A
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German (de)
French (fr)
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EP0103285B1 (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
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Puma AG Rudolf Dassler Sport
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Publication date
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Priority to AT83108929T priority Critical patent/ATE16557T1/en
Publication of EP0103285A1 publication Critical patent/EP0103285A1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/06—Running shoes; Track shoes

Definitions

  • the present invention relates to a sports shoe according to the preamble of the main claim.
  • Sports shoes of this type for athletic purposes, in particular for sprint and short distances, are generally known and are described and illustrated, for example, in the brochure "PUMA sports shoes 66", pages 8 and 9 under the name “PUMA SF-Form”.
  • These racing shoes with the special SF (super-form) sole shape are extremely light, since the actual outsole is practically only intended in areas that form treads.
  • the comparatively thin upper material is adapted to the arch of the foot.
  • These shoes are characterized by their lightness compared to previous designs, since a relatively large amount of sole material could be saved in the sole area. Due to the mostly continuous rubber outsole, these racing shoes are very elastic.
  • the thorns protruding downward in the forefoot area are riveted into a midsole. This area is therefore fairly inelastic and - considered in itself - difficult.
  • the present invention is therefore intended to achieve the object of creating a sports shoe for athletics, in particular racing shoes, which is optimally adapted to the anatomical conditions of the foot during the run with the greatest possible lightness and which offers as little resistance as possible to natural movements.
  • good foot guidance and support and, at the same time, high torsional rigidity should be guaranteed.
  • the outsole shape which is known per se, saves material for the outsole, which is reflected in a weight saving.
  • the stiffening plate By arranging the stiffening plate in the midfoot area, ie in the area of the arch of the foot, all the way to the heel, the required torsional rigidity is achieved on the one hand.
  • both the stiffening plate and the outsole can be made very thin in this area, so that the sole as a whole does not become at least thicker than previously used sole constructions. Nevertheless, the desired torsional rigidity is achieved and the low shoe weight is maintained.
  • the arch of the foot is decisively supported by the support wall formed in the area of the joint, particularly also in the movement phases, so that corresponding insoles, which are known per se, can possibly be omitted.
  • this retaining wall also helps to significantly increase the torsional rigidity of the outsole.
  • an outsole made of resilient material such as polyamide, polyurethane, polyethylene is called. This extends from the tip of the sole 2 to the heel 3. It is offset in the region 4 of the longitudinal arch of the foot towards the outer edge of the foot and is designed in such a way that there is no running surface under the arch of the foot, but only extends over the tread surface which results from running.
  • a stiffening plate 5 made of very hard, tough-elastic or resilient plastic extends into the heel 3.
  • the stiffening plate 5 serves primarily to produce a high torsional stiffness of the outsole 1.
  • the stiffening plate 5 advantageously consists of a suitably adjusted polyamide, polyurethane or polyethylene.
  • the plastic is expediently mixed with strength-increasing fillers, in particular with suitable fiber materials, such as glass fibers or fabrics.
  • suitable fiber materials such as glass fibers or fabrics.
  • Glass fiber reinforced polyamide and polyurethane have proven to be particularly suitable, since these materials ensure sufficient abrasion resistance and rigidity at a low weight and price.
  • the hardness of the stiffening plate 5 expediently has a Shore hardness of at least 90 to 150.
  • Shore hardness of the outsole 1 is chosen to be lower and is preferably between 50 and 80.
  • the outsole 1 is in region 4 with an inward provided obliquely upward support wall 6, which is largely adapted to the arch of the foot. This results in a joint support which has a particularly favorable effect on the run and a further, substantial increase in the torsional rigidity of the outsole 1.
  • the support wall 6 is advantageously provided with reinforcing ribs 7. These are preferably arranged such that they run at least almost perpendicular to the longitudinal axis 8 of the sole when the outsole 1 is viewed from below.
  • the spacing between adjacent reinforcing ribs 7 is advantageously approximately 2 to 5 mm and the rib thickness and rib height approximately 0.5 to 3 mm, preferably approximately 1 to 2 mm.
  • the thickness of the support wall 6 is a maximum of about 2 mm, preferably about 1 mm, and advantageously decreases continuously towards the edge 9, so that a very acute angle is formed on the edge 9 in cross section and the edge 9 practically forms a cutting edge.
  • the support wall 6 can continue in a shell edge 10 running around the heel 3, so that the heel of the runner is also guided well.
  • the edge 11 of the shell edge 10 can expediently be designed in accordance with the edge 9.
  • the outsole 1 in the joint area of the toe limbs and / or in the ball area is made more flexible by bending zones 12 and 13, respectively, in that a wave band 16 consisting of wave troughs 14 and wave crests 15 is formed there and this extends preferably approximately perpendicular to the longitudinal axis 8 of the sole.
  • Inserts 18, 19 are preferably provided in the forefoot area of the outsole 1 outside the bending zones 12, 13 or at most partially encompassing them, which serve for stiffening and expediently for receiving mandrels 17. These preferably consist of the same material as the stiffening plate 5.
  • the insert parts 18, 19 can, apart from the spike-like gripping elements 17, also carry molded-on profile projections 20.
  • the latter expediently have such a height that the tips 21 of the mandrels 17 only slightly, i.e. protrude about 1 to 4 mm over the tips 22 of the profile projections 20.
  • the inserts 18, 19 can be L-shaped, one leg being longer and at least approximately perpendicular to the longitudinal axis 8 of the sole.
  • the stiffening plate 5 can have an upwardly angled edge 23 which extends at least in the area 4 of the support wall 6 or over the entire outer edge, as illustrated by the section CD in FIG. 1 in FIG is.
  • This edge 23 is tapered in cross-section towards the edge and is shaped, for example, in accordance with the edges 9, 11.
  • the stiffening plate 5 and the inserts 18, 19 have projections 24, for example in the form of pins or claws and openings 25, which on the one hand represent gripping elements and on the other hand for anchoring these parts 5, 18, 19 with serve the outsole 1.
  • the latter therefore also has corresponding projections and / or openings. If the outsole 1 and the stiffening plate 5 and, if appropriate, the insert parts 18, 19 are prefabricated separately, these anchors fit or snap into one another and these individual parts are glued to one another over a large area or, for example, welded by means of ultrasound.
  • the stiffening plate 5 and the inserts 18, 19 are advantageously placed as a preliminary product in a mold and overmolded with the material of the outsole 1, i.e.
  • the projections 24 of the outsole 1 are preferably designed as profile projections for better gripping on the raceway, as is shown in the heel region in the exemplary embodiment.
  • the protrusions of the outsole 1 projecting through the openings can have the form of letters and / or numbers and thus form an additional anchoring in this area 4.
  • the sports shoe according to the invention is particularly suitable for athletic disciplines in which high speeds have to be achieved for relatively short times, i.e. in particular for sprint and short distances, for attempts at jumping competitions, such as the long jump, triple jump, high or pole vault or also for the javelin throw . It comes up particularly in these disciplines a very low shoe weight, high torsional stiffness of the shoe and the effective support of the foot in the arch area. In the case of standard sizes, the desired weight of the sports shoes of approximately 100 g and below can be achieved with the invention.
  • the invention is also of greater importance for medium and / or long distances because the previously inadequate support of the arch of the foot can lead to irreparable damage to this foot part under longer loads.

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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)
  • Carbon And Carbon Compounds (AREA)

Abstract

An athletic shoe for track and field use, especially a running shoe, is formed in such a way that a flexible running sole is provided only in the area of its running surface and, thus, largely does not exist in the area of the longitudinal arch of the foot, and from the arch area to the heel, the running sole is rendered resistant to distortion by a reinforcement plate. Additionally, in the area of the longitudinal arch of the foot, the running sole has a supporting wall directed diagonally upward toward the inside of the foot that is fitted to the arch of the foot. Thus, a shoe for track and field use is obtained that is extremely light in weight, has high resistance to distortion and supports the foot well.

Description

Die vorliegende Erfindung betrifft einen Sportschuh gemäß dem Oberbegriff des Hauptanspruches.The present invention relates to a sports shoe according to the preamble of the main claim.

Derartige Sportschuhe für leichtathletische Zwecke, insbesondere für Sprint- und Kurzstrecken, sind allgemein bekannt und beispielsweise in dem Prospekt "PUMA-Sportschuhe 66", Seiten 8 und 9 unter der Bezeichnung "PUMA SF-Form" beschrieben und dargestellt. Diese Rennschuhe mit der speziellen Sohlenform SF (super-form) sind extrem leicht, da die eigentliche Laufsohle praktisch nur in Bereichen,die Auftrittsflächen bilden, vorgesehen ist. Im Bereich des Fußgewölbes ist das vergleichsweise dünne Obermaterial dem Fußgewölbe angepaßt. Diese Schuhe zeichnen sich gegenüber früheren Konstruktionen durch ihre Leichtigkeit aus, da im Sohlenbereich relativ viel Sohlenmaterial eingespart werden konnte. Durch die meist durchgehende Gummilaufsohle sind diese Rennschuhe sehr elastisch. Die im Vorderfußbereich nach unten abstehenden Dornen sind in eine Zwischensohle eingenietet. Dieser Bereich ist daher ziemlich unelastisch und - für sich betrachtet - schwer.Sports shoes of this type for athletic purposes, in particular for sprint and short distances, are generally known and are described and illustrated, for example, in the brochure "PUMA sports shoes 66", pages 8 and 9 under the name "PUMA SF-Form". These racing shoes with the special SF (super-form) sole shape are extremely light, since the actual outsole is practically only intended in areas that form treads. In the area of the arch of the foot, the comparatively thin upper material is adapted to the arch of the foot. These shoes are characterized by their lightness compared to previous designs, since a relatively large amount of sole material could be saved in the sole area. Due to the mostly continuous rubber outsole, these racing shoes are very elastic. The thorns protruding downward in the forefoot area are riveted into a midsole. This area is therefore fairly inelastic and - considered in itself - difficult.

Es ist zwar schon aus der DE-AS 1 o14 462 bekannt, die Zwischensohle wegzulassen und zur Gewichtsersparnis die zur Befestigung der Dornen vorgesehene Platte zwischen zwei Kunststoffplatten aus beispielsweise Polyamid anzuordnen. Die beiden Kunststoffplatten sind wiederum zwischen der Brandsohleund der Laufsohle angebracht. Diese Konstruktion ist zwar leichter als die zuvor verwendeten Metallplatten, sie ist jedoch ebenfalls sehr unelastisch.It is already known from DE-AS 1 o14 462 to omit the midsole and to save weight the plate provided for fastening the spikes to be arranged between two plastic plates made of polyamide, for example. The two plastic plates are in turn attached between the insole and the outsole. Although this construction is lighter than the metal plates previously used, it is also very inelastic.

Es hat sich herausgestellt, daß Rennschuhe mit.der im Mittelfußbereich sehr schmalen Laufsohle bei großer angestrebter Leichtigkeit sehr weich und besonders in diesem Bereich leicht verwindbar, also wenig formstabil sind. Wird die Laufsohle aus

Figure imgb0001
Material hergestellt, so leidet darunter die Biegsamkeit besonders im Ballenbereich, so daß keine extremen Leistungen erreichbar sind und eine anatomisch günstige Anpassung an den Fuß während des Abrollvorganges nicht möglich ist.It has been found that racing shoes with the outsole, which is very narrow in the midfoot area, are very soft with the desired lightness and are particularly easy to twist in this area, i.e. they are not very dimensionally stable. The outsole is made
Figure imgb0001
Manufactured material, so the flexibility suffers especially in the ball area, so that extreme performance cannot be achieved and anatomically favorable adaptation to the foot is not possible during the rolling process.

Mit vorliegender Erfindung soll daher die Aufgabe gelöst werden, einen Sportschuh für die Leichtathletik, insbesondere Rennschuh, zu schaffen, der bei größtmöglicher Leichtigkeit den anatomischen Verhältnissen des Fußes während des Laufes optimal angepaßt ist, sowie den natürlichen Bewegungen möglichst wenig Widerstand entgegensetzt. Andererseits soll trotzdem eine gute Fußführung und -stützung und gleichzeitig eine hohe Verwindungssteifigkeit gewährleistet sein. Diese Aufgabe wird durch die im Kennzeichen des Patentanspruches 1 angegebenen Merkmale gelöst.The present invention is therefore intended to achieve the object of creating a sports shoe for athletics, in particular racing shoes, which is optimally adapted to the anatomical conditions of the foot during the run with the greatest possible lightness and which offers as little resistance as possible to natural movements. On the other hand, good foot guidance and support and, at the same time, high torsional rigidity should be guaranteed. This object is achieved by the features specified in the characterizing part of patent claim 1.

Durch die an sich bekannte Laufsohlenform wird an Material für die Laufsohle eingespart, was sich in einer Gewichtsersparnis niederschlägt. Durch die Anordnung der Versteifungsplatte im Mittelfußbereich, d.h. im Bereich des Fußgewölbes, bis hin zur Ferse wird einerseits die erforderliche Verwindungssteifigkeit erzielt. Andererseits kann in diesem Bereich sowohl die Versteifungsplatte als auch die Laufsohle sehr dünn ausgebildet werden, so daß die Sohle insgesamt zumindest nicht dicker wird als bisher verwendete Sohlenkonstruktionen. Trotzdem wird die erwünschte Verwindungssteifigkeit erreicht und das geringe Schuhgewicht beibehalten. Schließlich wird durch die im Gelenkbereich angeformte Stützwand das Fußgewölbe besonders auch in den Bewegungsphasen entscheidend unterstützt, so daß gegebenenfalls entsprechende - an sich bekannte - Einlagen entfallen können. Außerdem trägt diese Stützwand vor allem auch dazu bei, die Verwindungssteifigkeit der Laufsohle noch deutlich zu steigern.The outsole shape, which is known per se, saves material for the outsole, which is reflected in a weight saving. By arranging the stiffening plate in the midfoot area, ie in the area of the arch of the foot, all the way to the heel, the required torsional rigidity is achieved on the one hand. On the other hand, both the stiffening plate and the outsole can be made very thin in this area, so that the sole as a whole does not become at least thicker than previously used sole constructions. Nevertheless, the desired torsional rigidity is achieved and the low shoe weight is maintained. Finally, the arch of the foot is decisively supported by the support wall formed in the area of the joint, particularly also in the movement phases, so that corresponding insoles, which are known per se, can possibly be omitted. In addition, this retaining wall also helps to significantly increase the torsional rigidity of the outsole.

Weitere vorteilhafte Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen und sind nachfolgend anhand von in der Zeichnung veranschaulichten Ausführungsbeispielen beschrieben.Further advantageous details of the invention emerge from the subclaims and are described below on the basis of exemplary embodiments illustrated in the drawing.

Dabei zeigen:

  • Figur 1 eine Ansicht der Laufsohle von unten, also auf die Laufseite für einen Leichtathletik-Sportschuh,
  • Figur 2 eine Seitenansicht dieser Laufsohle gemäß dem Schnitt A-B der Figur 1,

Figuren je einen Querschnitt gemäß dem
  • 3 und 4 Schnitt C-D der Figur 1 mit unterschiedlicher Gestaltung der Versteifungsplatte.
Show:
  • FIG. 1 shows a view of the outsole from below, that is to say on the running side for an athletic sports shoe,
  • FIG. 2 shows a side view of this outsole according to section AB in FIG. 1,

Figures each have a cross section according to the
  • 3 and 4 section CD of Figure 1 with different design of the stiffening plate.

Mit 1 ist eine Laufsohle aus federelastischem Material wie Polyamid, Polyurethan, Polyäthylen bezeichnet. Diese erstreckt sich von der Sohlenspitze 2 bis zur Ferse 3. Sie ist im Bereich 4 der Fußlängswölbung nach der Fußaußenkante hin versetzt und so gestaltet, daß unter dem Fußgewölbe keine Lauffläche vorhanden ist, sondern diese sich lediglich über die beim Laufen ergebende Auftrittsfläche erstreckt. In diesem Bereich 4 ist erfindungsgemäß eine sich bis in die Ferse 3 fortsetzende Versteifungsplatte 5 aus sehr hartem, zähelastischem bzw. federelastischem Kunststoff vorgesehen. Die Versteifungsplatte 5 dient vor allem der Erzeugung einer hohen Verwindungssteifigkeit der Laufsohle 1. Die Versteifungsplatte 5 besteht vorteilhaft aus einem geeignet eingestellten Polyamid, Polyurethan oder Polyäthylen. Zweckmäßig ist der Kunststoff noch mit festigkeitserhöhenden Füllmitteln, insbesondere mit geeigneten Faserstoffen, wie Glasfasern oder Geweben versetzt. Als besonders geeignet hat sich glasfaserverstärktes Polyamid und Polyurethan erwiesen, da diese Materialien eine ausreichende Abriebfestigkeit und Steifigkeit bei geringem Gewicht und Preis gewährleisten.With 1 an outsole made of resilient material such as polyamide, polyurethane, polyethylene is called. This extends from the tip of the sole 2 to the heel 3. It is offset in the region 4 of the longitudinal arch of the foot towards the outer edge of the foot and is designed in such a way that there is no running surface under the arch of the foot, but only extends over the tread surface which results from running. In this area 4, according to the invention, a stiffening plate 5 made of very hard, tough-elastic or resilient plastic extends into the heel 3. The stiffening plate 5 serves primarily to produce a high torsional stiffness of the outsole 1. The stiffening plate 5 advantageously consists of a suitably adjusted polyamide, polyurethane or polyethylene. The plastic is expediently mixed with strength-increasing fillers, in particular with suitable fiber materials, such as glass fibers or fabrics. Glass fiber reinforced polyamide and polyurethane have proven to be particularly suitable, since these materials ensure sufficient abrasion resistance and rigidity at a low weight and price.

Die Härte der Versteifungsplatte 5 besitzt zweckmäßig einen Härtegrad nach Shore von wenigstens 90 bis 150. Die Shore-Härte der Laufsohle 1 wird jedoch niedriger gewählt und liegt vorzugsweise zwischen 50 und 80. Gemäß der Erfindung ist im Bereich 4 die Laufsohle 1 mit einer nach innen schräg aufwärts gerichteten Stützwand 6 versehen, die weitgehend an die Fußwölbung angepaßt ist. Hierdurch erhält man eine besonders beim Lauf sich günstig auswirkende Gelenkstütze und eine weitere, wesentliche Erhöhung der Verwindungssteifigkeit der Laufsohle 1. Vorteilhaft ist die Stützwand 6 mit Verstärkungsrippen 7 versehen. Diese sind vorzugsweise so angeordnet, daß sie bei Betrachtung der Laufsohle 1 von unten zumindest nahezu senkrecht zu der Sohlenlängsachse 8 verlaufen. Der Abstand benachbarter Verstärkungsrippen 7 beträgt zweckmäßig etwa 2 bis 5 mm und die Rippenstärke und Rippenhöhe etwa o,5 bis 3 mm, vorzugsweise etwa 1 bis 2 mm. Die Dicke der Stützwand 6 beträgt maximal etwa 2 mm, vorzugsweise etwa 1 mm und nimmt zur Kante 9 hin vorteilhaft kontinuierlich ab, so daß an der Kante 9 im Querschnitt ein sehr spitzer Winkel gebildet wird und die Kante 9 praktisch eine Schneide bildet.The hardness of the stiffening plate 5 expediently has a Shore hardness of at least 90 to 150. However, the Shore hardness of the outsole 1 is chosen to be lower and is preferably between 50 and 80. According to the invention, the outsole 1 is in region 4 with an inward provided obliquely upward support wall 6, which is largely adapted to the arch of the foot. This results in a joint support which has a particularly favorable effect on the run and a further, substantial increase in the torsional rigidity of the outsole 1. The support wall 6 is advantageously provided with reinforcing ribs 7. These are preferably arranged such that they run at least almost perpendicular to the longitudinal axis 8 of the sole when the outsole 1 is viewed from below. The spacing between adjacent reinforcing ribs 7 is advantageously approximately 2 to 5 mm and the rib thickness and rib height approximately 0.5 to 3 mm, preferably approximately 1 to 2 mm. The thickness of the support wall 6 is a maximum of about 2 mm, preferably about 1 mm, and advantageously decreases continuously towards the edge 9, so that a very acute angle is formed on the edge 9 in cross section and the edge 9 practically forms a cutting edge.

In vorteilhafter Weise kann sich die Stützwand 6 in einen um die Ferse 3 umlaufenden Schalenrand 10 fortsetzen, so daß auch die Ferse des Läufers gut geführt wird. Die Kante 11 des Schalenrandes 10 kann zweckmäßig entsprechend der Kante 9 ausgebildet sein.Advantageously, the support wall 6 can continue in a shell edge 10 running around the heel 3, so that the heel of the runner is also guided well. The edge 11 of the shell edge 10 can expediently be designed in accordance with the edge 9.

Mit Vorteil ist die Laufsohle 1 im Gelenkbereich der Zehenglieder oder/und im Ballenbereich durch Biegezonen 12 bzw. 13 dadurch flexibler gestaltet, daß dort ein aus Wellentälern 14 und Wellenbergen 15 bestehendes Wellenband 16 gebildet ist und dieses sich vorzugsweise etwa senkrecht zur Sohlenlängsachse 8 erstreckt. Vorzugsweise sind im Vorderfußbereich der Laufsohle 1 außerhalb der Biegezonen 12, 13 oder diese höchstens zum Teil umgreifende, zur Versteifung und zweckmäßig zur Aufnahme einsetzbarer Dorne 17 dienende Einlegeteile 18,19 vorgesehen. Diese bestehen vorzugsweise aus dem gleichen Material wie die Versteifungsplatte 5. Die Einlegeteile 18, 19 können, abgesehen von den dornenartigen Greifelementen 17, noch angeformte Profilvorsprünge 20 tragen. Letztere besitzen zweckmäßig eine solche Höhe, daß die Spitzen 21 der Dorne 17 nur geringfügig, d.h. etwa 1 bis 4 mm über die Spitzen 22 der Profilvorsprünge 20 überstehen. Die Einlegeteile 18, 19 können L-förmig ausgebildet sein, wobei der eine Schenkel länger ausgeführt ist und wenigstens annähernd senkrecht zur Sohlenlängsachse 8 verläuft.Advantageously, the outsole 1 in the joint area of the toe limbs and / or in the ball area is made more flexible by bending zones 12 and 13, respectively, in that a wave band 16 consisting of wave troughs 14 and wave crests 15 is formed there and this extends preferably approximately perpendicular to the longitudinal axis 8 of the sole. Inserts 18, 19 are preferably provided in the forefoot area of the outsole 1 outside the bending zones 12, 13 or at most partially encompassing them, which serve for stiffening and expediently for receiving mandrels 17. These preferably consist of the same material as the stiffening plate 5. The insert parts 18, 19 can, apart from the spike-like gripping elements 17, also carry molded-on profile projections 20. The latter expediently have such a height that the tips 21 of the mandrels 17 only slightly, i.e. protrude about 1 to 4 mm over the tips 22 of the profile projections 20. The inserts 18, 19 can be L-shaped, one leg being longer and at least approximately perpendicular to the longitudinal axis 8 of the sole.

Gemäß einer vorteilhaften Weiterbildung der Erfindung kann zur weiteren Erhöhung der Verwindungssteifigkeit die Versteifungsplatte 5 einen zumindest im Bereich 4 der Stützwand 6 oder über die gesamte Außenkante sich erstreckenden nach oben abgewinkelten Rand 23 aufweisen, wie anhand des Schnittes C-D der Figur 1 in der Figur 4 veranschaulicht ist. Dieser Rand 23 ist im Querschnitt zur Kante hin verjüngt und beispielsweise entsprechend den Kanten 9, 11 geformt.According to an advantageous development of the invention, to further increase the torsional rigidity, the stiffening plate 5 can have an upwardly angled edge 23 which extends at least in the area 4 of the support wall 6 or over the entire outer edge, as illustrated by the section CD in FIG. 1 in FIG is. This edge 23 is tapered in cross-section towards the edge and is shaped, for example, in accordance with the edges 9, 11.

Eine weitere zweckmäßige Ausgestaltung der Erfindung besteht darin, daß die Versteifungsplatte 5 und die Einlegeteile 18, 19 Vorsprünge 24, beispielsweise in Form von Zapfen oder Krallen und Durchbrüche 25 aufweisen, die einerseits Greifelemente darstellen und andererseits zur Verankerung dieser Teile 5, 18, 19 mit der Laufsohle 1 dienen. Letztere besitzt daher ebenfalls entsprechende Vorsprünge und/oder Durchbrüche. Bei getrennter Vorfertigung von Laufsohle 1 und Versteifungsplatte 5 und gegebenenfalls der Einlegeteile 18, 19 passen oder rasten diese Verankerungen ineinander und diese Einzelteile werden großflächig miteinander verklebt oder zum Beispiel mittels Ultraschall verschweißt. Vorteilhaft werden die Versteifungsplatte 5 und die Einlegeteile 18, 19 als Vorprodukt in eine Form eingelegt und mit dem Material der Laufsohle 1 umspritzt, d.h. daß die Laufsohle 1 an diese Teile angespritzt wird. Vorzugsweise sind die Vorsprünge 24 der Laufsohle 1 als Profilvorsprünge zum besseren Greifen auf der Laufbahn ausgebildet, wie dies beim Ausführungsbeispiel im Fersenbereich gezeigt ist. Im Bereich 4 der Fußwölbung können die durch die Durchbrüche hindurchragenden Vorsprünge der Laufsohle 1 die Form von Buchstaben und/oder Zahlen besitzen und so in diesem Bereich 4 eine zusätzliche Verankerung bilden.Another advantageous embodiment of the invention is that the stiffening plate 5 and the inserts 18, 19 have projections 24, for example in the form of pins or claws and openings 25, which on the one hand represent gripping elements and on the other hand for anchoring these parts 5, 18, 19 with serve the outsole 1. The latter therefore also has corresponding projections and / or openings. If the outsole 1 and the stiffening plate 5 and, if appropriate, the insert parts 18, 19 are prefabricated separately, these anchors fit or snap into one another and these individual parts are glued to one another over a large area or, for example, welded by means of ultrasound. The stiffening plate 5 and the inserts 18, 19 are advantageously placed as a preliminary product in a mold and overmolded with the material of the outsole 1, i.e. that the outsole 1 is molded onto these parts. The projections 24 of the outsole 1 are preferably designed as profile projections for better gripping on the raceway, as is shown in the heel region in the exemplary embodiment. In the area 4 of the arch of the foot, the protrusions of the outsole 1 projecting through the openings can have the form of letters and / or numbers and thus form an additional anchoring in this area 4.

Der erfindungsgemäße Sportschuh ist besonders geeignet für leichtathletische Disziplinen, bei denen für relativ kurze Zeiten hohe Geschwindigkeiten erzielt werden müssen, also insbesondere für Sprint- und Kurzstrecken, für Anläufe zu Sprungwettbewerben, wie dem Weitsprung, Dreisprung, Hoch- oder Stabhochsprung oder auch für den Speerwurf. Besonders bei diesen Disziplinen kommt es auf ein sehr geringes Schuhgewicht, hohe Verwindungssteifigkeit des Schuhes und der wirksamen Unterstützung des Fußes im Fußwölbungsbereich an. Bei Normgrößen kann mit der Erfindung ein erstrebtes Gewicht der Sportschuhe von etwa loo g und darunter erreicht werden.The sports shoe according to the invention is particularly suitable for athletic disciplines in which high speeds have to be achieved for relatively short times, i.e. in particular for sprint and short distances, for attempts at jumping competitions, such as the long jump, triple jump, high or pole vault or also for the javelin throw . It comes up particularly in these disciplines a very low shoe weight, high torsional stiffness of the shoe and the effective support of the foot in the arch area. In the case of standard sizes, the desired weight of the sports shoes of approximately 100 g and below can be achieved with the invention.

Aber auch für Mittel- und/oder Langstrecken kommt der Erfindung erhöhte Bedeutung zu, weil die bisher unzulängliche Stützung des Fußgewölbes bei längeren Belastungen zu nicht reparablen Schäden dieses Fußteiles führen kann.But the invention is also of greater importance for medium and / or long distances because the previously inadequate support of the arch of the foot can lead to irreparable damage to this foot part under longer loads.

Claims (21)

1. Sportschuh für die Leichtathletik, insbesondere Rennschuh, mit einer von der Schuhspitze bis zur Ferse durchgehenden Laufsohle aus flexiblem Kunststoff und von der Laufseite abstehenden angeformten und/oder an der Laufsohle befestigbaren Profilvorsprüngen, dadurch gekennzeichnet, daß die Laufsohle (1) im Bereich (4) des Fußlängsgewölbes zur Fußaußenkante hin versetzt und derart schmal ausgebildet ist, daß die beim Lauf belastete Fußaußenkante noch voll unterstützt ist, daß die Laufsohle (1) mit einer sich von der Ferse (3) über den schmalen Mittelteil (4) bis wenigstens annähernd vor den Beginn des Fußballens erstreckenden, der Laufsohle (1) angepaßten Versteifungsplatte (5) versehen ist, und daß die Laufsohle (1) im Bereich (4) des Fußlängsgewölbes eine nach innen schräg aufwärts verlaufende, der Wölbungskontur des Fußlängsgewölbes zumindest weitgehend angepaßte Stützwand (6) bildet.1. sports shoe for athletics, in particular racing shoe, with an outsole made of flexible plastic that runs from the toe to the heel and is formed from the running side and is molded and / or can be attached to the outsole, characterized in that the outsole (1) in the area ( 4) of the longitudinal arch of the foot offset towards the outer edge of the foot and is so narrow that the outer edge of the foot that is loaded during the run is still fully supported so that the outsole (1) with a from the heel (3) over the narrow central part (4) to at least approximately before the beginning of the ball of foot extending stiffening plate (5) is provided, and that the outsole (1) in the area (4) of the longitudinal arch has an inward upward sloping support wall which is at least largely adapted to the arch contour of the longitudinal arch ( 6) forms. 2. Sportschuh nach Anspruch 1, dadurch gekennzeichnet, daß die Versteifungsplatte (5) aus besonders hartem, federelastischem Kunststoff besteht.2. Sports shoe according to claim 1, characterized in that the stiffening plate (5) consists of particularly hard, resilient plastic. 3. Sportschuh nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Versteifungsplatte (5) aus mit Faserstoffen versetztem Kunststoff besteht.3. Sports shoe according to claim 1 or 2, characterized in that the stiffening plate (5) consists of fiber mixed with plastic. 4. Sportschuh nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Versteifungsplatte (5) aus einem Kunststoff mit einer Shore-Härte von mindestens 90 bis 150 und die Laufsohle (1) aus einem Kunststoff mit einer Shore-Härte von etwa 50 bis 80 besteht.4. Sports shoe according to one of claims 1 to 3, characterized in that the stiffening plate (5) made of a plastic with a Shore hardness of at least 90 to 150 and the outsole (1) made of a plastic with a Shore hardness of about 50 up to 80. 5. Sportschuh nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Laufsohle (1) und die Versteifungsplatte (5) aus Kunststoff auf Polyamid-, Polyurethan-oder Polyäthylen-Basis bestehen.5. Sports shoe according to one of claims 1 to 4, characterized in that the outsole (1) and the stiffening plate (5) consist of plastic based on polyamide, polyurethane or polyethylene. 6. Sportschuh nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die aus Kunststoff bestehende Versteifungsplatte (5) eine Dicke von 0,8 bis 1,5 mm aufweist.6. Sports shoe according to one of claims 1 to 5, characterized in that the plastic stiffening plate (5) has a thickness of 0.8 to 1.5 mm. 7. Sportschuh nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Laufsohle (1) und die Versteifungsplatte (5) ineinandergreifende Öffnungen und Vorsprünge (24, 25) aufweisen.7. Sports shoe according to one of claims 1 to 6, characterized in that the outsole (1) and the stiffening plate (5) have interlocking openings and projections (24, 25). 8. Sportschuh nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Laufsohle (1) mit der vorgefertigten Versteifungsplatte (5) verklebt ist.8. Sports shoe according to one of claims 1 to 7, characterized in that the outsole (1) is glued to the prefabricated stiffening plate (5). 9. Sportschuh nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Versteifungsplatte (5) bei der Herstellung der Laufsohle (1) mit eingeformt ist.9. Sports shoe according to one of claims 1 to 7, characterized in that the stiffening plate (5) is molded in during the manufacture of the outsole (1). 10. Sportschuh nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Stützwand (6), in Blickrichtung senkrecht auf die Laufsohle (1) betrachtet, durch wenigstens annähernd senkrecht zur Sohlenlängsachse (8) verlaufende äußere Versteifungsrippen (7) versteift ist.1 0 . Sports shoe according to one of claims 1 to 9, characterized in that the support wall (6), viewed in the direction of view perpendicular to the outsole (1), is stiffened by at least approximately perpendicular to the longitudinal axis (8) of the outer stiffening ribs (7). !1. Sportschuh nach Anspruch 10, dadurch gekennzeichnet, daß die Versteifungsrippen (7) einen Abstand von 2 bis 5 mm aufweisen.!1. Sports shoe according to claim 10, characterized in that the stiffening ribs (7) are spaced from 2 to 5 mm. 2. Sportschuh nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß die Flexibilität im Gelenkbereich und gegebenenfalls auch im Ballenbereich durch Biegezonen (12, 13) erhöht ist, die von einem aus Wellenbergen (15) und Wellentälern (14) bestehenden Wellenband (16) gebildet sind.2. Sports shoe according to one of claims 1 to 11, characterized in that the flexibility in the joint area and possibly also in the ball area is increased by bending zones (12, 13), which consists of a wave band (15) and wave troughs (14) existing wave band ( 16) are formed. 13. Sportschuh nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß zur Versteifung der Laufsohle (1) außerhalb der Biegezone(n) (12, 13) im Vorderfußbereich der Laufsohle (1) zumindest zwei Einlegeteile (18, 19) aus besonders hartem Kunststoff vorgesehen sind, die gleichzeitig Trägerteile für die Profilvorsprünge (2o) und/oder dornenförmige Greifelemente (17) bilden.13. Sports shoe according to one of claims 1 to 12, characterized in that for stiffening the outsole (1) outside the bending zone (s) (12, 13) in the forefoot region of the outsole (1) at least two inserts (18, 19) from particularly hard plastic are provided, which at the same time form carrier parts for the profile projections (2o) and / or thorn-shaped gripping elements (17). 14. Sportschuh nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Einlegeteile (18, 19) L-förmig ausgebildet sind, wobei die längeren Schenkel jeweils wenigstens annähernd senkrecht zur Sohlenlängsachse (8) verlaufen.14. Sports shoe according to one of claims 1 to 13, characterized in that the inserts (18, 19) are L-shaped, the longer legs each extending at least approximately perpendicular to the longitudinal axis of the sole (8). 15. Sportschuh nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß an der Laufsohle (1) angeformte oder eingeformte Profilvorsprünge (2o, 24) wenigstens annähernd gleicher Höhe vorgesehen sind und dornenförmige, nachträglich einsetzbare Profilvorsprünge (17) die ersteren nur geringfügig überragen.15. Sports shoe according to one of claims 1 to 14, characterized in that on the outsole (1) molded or molded profile projections (2o, 24) are provided at least approximately the same height and thorn-shaped, subsequently insertable profile projections (17) only slightly protrude from the former . 16. Sportschuh nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Versteifungsplatte (5) zumindest im Bereich der Stützwand (6) an der Kante einen in Richtung der Laufsohle (1) verlaufenden abgewinkelten Rand (23) aufweist.16. Sports shoe according to one of claims 1 to 15, characterized in that the stiffening plate (5) has at least in the region of the support wall (6) on the edge an angled edge (23) extending in the direction of the outsole (1). 17. Sportschuh nach Anspruch 16, dadurch gekennzeichnet, daß sich der Rand (23) über die gesamte Außenkante der Versteifungsplatte (5) erstreckt.17. Sports shoe according to claim 16, characterized in that the edge (23) extends over the entire outer edge of the stiffening plate (5). 18. Sportschuh nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, daß die Laufsohle (1) im Bereich der Ferse (3) einen hochgezogenen Rand (10) aufweist.18. Sports shoe according to one of claims 1 to 17, characterized in that the outsole (1) in the region of the heel (3) has a raised edge (1 0 ). 19. Sportschuh nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß der abgewinkelte Rand (23) und der hochgezogene Rand (10) zum Ende hin sehr dünnwandig und im Querschnitt sehr spitzwinklig ausgebildet sind.19. Sports shoe according to one of claims 16 to 18, characterized in that the angled edge (23) and the raised edge (1 0 ) towards the end are very thin-walled and very acute in cross-section. 20. Sportschuh nach einem der Ansprüche 1 bis 19, dadurch gekennzeichnet, daß in der Versteifungsplatte (5) und/oder den im Vorderfußbereich vorgesehenen Versteifungsteile(n) (18, 19) Durchbrüche (25) vorgesehen sind, durch die hindurch sich an der Laufsohle (1) angeformte Profilvorsprünge (24) erstrecken.2 0 . Sports shoe according to one of Claims 1 to 19, characterized in that openings (25) are provided in the stiffening plate (5) and / or in the stiffening parts (18), provided in the forefoot area, through which openings on the outsole ( 1) extend molded profile projections (24). 21. Sportschuh nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß in der Versteifungsplatte (5) im Bereich des Fußlängsgewölbes Durchbrüche (25) vorgesehen sind und die durch diese hindurchreichenden Profilvorsprünge auf der Laufseite die Form von Buchstaben und/oder Zahlen aufweisen.21. Sports shoe according to one of claims 1 to 20, characterized in that openings (25) are provided in the stiffening plate (5) in the region of the longitudinal arch of the foot and the profile projections extending through them have the shape of letters and / or numbers on the running side.
EP83108929A 1982-09-11 1983-09-09 Sports shoe for athletics Expired EP0103285B1 (en)

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AT83108929T ATE16557T1 (en) 1982-09-11 1983-09-09 SPORT SHOE FOR ATHLETICS.

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DE3233792 1982-09-11
DE19823233792 DE3233792A1 (en) 1982-09-11 1982-09-11 SPORTSHOE FOR LIGHTWEIGHT

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EP0103285A1 true EP0103285A1 (en) 1984-03-21
EP0103285B1 EP0103285B1 (en) 1985-11-21

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AT (1) ATE16557T1 (en)
AU (1) AU555703B2 (en)
DE (2) DE3233792A1 (en)
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US4079526A (en) * 1975-12-27 1978-03-21 Tatsuo Fukuoka Footwear
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GB2020161A (en) * 1978-04-27 1979-11-14 Patrick Sa A sole for a spiked shoe
DE2927635A1 (en) * 1979-07-09 1981-01-29 Dassler Puma Sportschuh Football boot with two running sole bending zones - has inserts dividing inner soles to improve flexibility and prevent distortion
DE2929365A1 (en) * 1979-07-20 1981-02-05 Uhl Sportartikel Karl Running sole for sports shoes - with hard plastic frame for screw=in spikes embedded in soft plastic sole
US4305212A (en) * 1978-09-08 1981-12-15 Coomer Sven O Orthotically dynamic footwear

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GB1423881A (en) * 1972-10-23 1976-02-04 Superga Spa Sports footwear
US3822488A (en) * 1973-01-17 1974-07-09 Brs Inc Athletic shoe having upper sections of different materials and cover strip under junction between such sections
US4079526A (en) * 1975-12-27 1978-03-21 Tatsuo Fukuoka Footwear
FR2405037A1 (en) * 1977-10-06 1979-05-04 Pohu Georges Sole for cycling shoe - has embedded metal core plate with apertures to receive projections on metal slide piece
GB2020161A (en) * 1978-04-27 1979-11-14 Patrick Sa A sole for a spiked shoe
US4305212A (en) * 1978-09-08 1981-12-15 Coomer Sven O Orthotically dynamic footwear
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DE2929365A1 (en) * 1979-07-20 1981-02-05 Uhl Sportartikel Karl Running sole for sports shoes - with hard plastic frame for screw=in spikes embedded in soft plastic sole

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US4551930A (en) * 1983-09-23 1985-11-12 New Balance Athletic Shoe, Inc. Sole construction for footwear
US4654983A (en) * 1984-06-05 1987-04-07 New Balance Athletic Shoe, Inc. Sole construction for footwear
GB2206030A (en) * 1987-07-21 1988-12-29 Lo Wen Shown An improved sole structure for golf shoes
EP0928570A1 (en) * 1998-01-12 1999-07-14 Hans-Peter Zepf Shoestructure for obtaining a maximumrepulsing force

Also Published As

Publication number Publication date
DE3361298D1 (en) 1986-01-02
AU1899283A (en) 1984-03-15
ES274109U (en) 1984-03-16
ZA836262B (en) 1984-10-31
AU555703B2 (en) 1986-10-02
DE3233792A1 (en) 1984-03-15
ATE16557T1 (en) 1985-12-15
EP0103285B1 (en) 1985-11-21
ES274109Y (en) 1984-10-16
US4546559A (en) 1985-10-15

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