EP3302132B1 - Shoe sole with reinforcement - Google Patents

Shoe sole with reinforcement Download PDF

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Publication number
EP3302132B1
EP3302132B1 EP16724670.1A EP16724670A EP3302132B1 EP 3302132 B1 EP3302132 B1 EP 3302132B1 EP 16724670 A EP16724670 A EP 16724670A EP 3302132 B1 EP3302132 B1 EP 3302132B1
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EP
European Patent Office
Prior art keywords
stability element
medial
stability
shoe sole
sole
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EP16724670.1A
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German (de)
French (fr)
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EP3302132A1 (en
Inventor
Andrea Grusa
Ingo Grusa
Karsten Keidel
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Baak & Co KG GmbH
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Baak & Co KG GmbH
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1475—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the type of support
    • A43B7/149—Pads, e.g. protruding on the foot-facing surface
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/142—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the medial arch, i.e. under the navicular or cuneiform bones
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/143—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the lateral arch, i.e. the cuboid bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/144—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the heel, i.e. the calcaneus bone
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1415—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot
    • A43B7/145—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form characterised by the location under the foot situated under the toes, i.e. the phalanges

Definitions

  • the invention relates to a shoe sole, in particular for use in safety shoes, containing a stability element.
  • Shoe soles with reinforcing elements are well known and are widely used in the sports shoe sector.
  • a sports shoe having a stability element disposed within the sole, wherein the stability element extends from the hindfoot region into the forefoot region, and wherein the stability element extends substantially on the medial and / or lateral side of the forefoot region, the stability element providing it in that, when the foot rolls off, elastic energy is taken up by elastic bending, which energy is released again substantially without loss when the foot is pushed off.
  • an outsole for a golf shoe is known, which is provided from below with "sockets" (pods), to ensure better stability. Three pedestals in the forefoot area and four pedestals in the rear foot area are preferred.
  • the US 2012/0159814 discloses a footwear with a so-called “shank” as a stabilizing element.
  • the Shank is used to increase the torsional stiffness of the footwear.
  • the shank's lateral and medial ends are approximately at the same height in the toe area.
  • the US 2011/0179675 discloses a sole insert including a "forefoot plate" which is designed to follow the lug assembly on the outsole. This is done to better distribute the pressure of the studs over the entire area of the forefoot and to provide greater comfort against pressure.
  • the present invention is not so much the task of simulating the natural (barefoot) run or compensate for malpositions or malformations, but rather to bring the human foot to a favorable sequence of movements, to some extent "impose” an advantageous course of the movement.
  • the distance between the lateral and the medial end of the stability element mentioned in claim 1 is usefully between 5 mm and 40 mm in order to achieve the corresponding function.
  • the stability element 1 extends substantially along the toe semicircular from the medial to lateral side of the shoe. Decisive for the The function according to the invention is that the lateral end of the stability element 1 extends further to the rear, that is to say in the direction of the shoulder, than the medial end of the stability element 1.
  • the stability element 1 practically covers the entire area of the front area of the shoe sole as long as it has the above-described asymmetrical shape with respect to the position of the two ends.
  • the stability element 1 forms an arc whose width is in the range of 0.5 to 3 cm, preferably between 1 and 2 cm.
  • the "width" of the arc is the distance from the inner - towards the foot - bow edge and the outer - located at the toe - bow edge to understand (see the stability element 1 in the Fig. 2 ).
  • the stability elements 1 and 2 are arranged so that they not only allow the natural, oblique bending of the foot but even enforce. As a result, the shoe sole is adapted to the anatomy of the human foot and its movements.
  • this natural kinking is represented by a crease line, which, beginning at the medial side of the sole in the forefoot area and below the toe area, initially runs approximately perpendicular to the medial side of the sole and then shortly before the longitudinal axis of the sole in the direction of the rear foot area at an obtuse angle kinkickt.
  • the oblique bending of the human foot is supported or enforced by the reinforcing elements of the sole, as occurs barefoot during a walking movement.
  • the human foot kinks while walking in the area of the big toe straight and obliquely in the area of the small toe.
  • Fig. 4 shows that - also preferred - the medial end of the stability element 2 even further forward in the forefoot is than the lateral end of the stability element 1, so therefore an imaginary line perpendicular to the longitudinal axis of the sole, starting from the medial end of the stability element 2 before the stability element 1 would cut its lateral end.
  • the elements are arranged so that an imaginary line from the medial end of the stability element (1) to the lateral end of the stability element (1) or an imaginary line from the lateral end of the stability element (2). to the medial end of the stability element (2) extends approximately along the natural bend of the foot.
  • Fig. 5 shows particularly impressively that the interaction of the two stability elements 1 and 2 creates an area 3, which corresponds to the natural position of the toe joints (here indicated as ovals).
  • Fig. 5a shows a further embodiment of the interaction of the two stability elements 1 and, this time as full-surface elements that largely cover the toe and heel area.
  • an area defined width is created, which is generated by the distances between the lateral and medial ends of the two reinforcing elements.
  • the kinking behavior is further improved if structures are likewise introduced on the underside of the sole which support the flexibility in the direction of the kinking.
  • the stability element or the stability elements of the sole according to the invention are preferably integrated within the sole.
  • soles As the sole in the context of the invention, all known and used sole types are to be understood, such as the outsole, the insole or the insole. These soles are known in the art. Particularly preferably, the reinforcing elements are integrated in the outsole. However, they can also be installed in other soles. It is also possible that several soles include the reinforcing elements at the same time.
  • reinforcing elements can also be placed separately in the shoe, of course, it must be ensured that the sole (s) in the shoe do not counteract the effect of the reinforcing elements.
  • the materials of which the stability elements consist are in principle not restricted, but preferably they consist of polyurethane, polyethylene, polypropylene or mixtures of the substances mentioned
  • the sole is well suited for a whole range of different types of shoes, but is particularly preferred for so-called safety shoes.
  • safety shoes arises, inter alia, from the fact that it is additionally possible to arrange a protective cap in the toe region of the shoe or the shoe sole, wherein the protective cap has a shell-like shape and runs approximately perpendicular and parallel to the stability element 1.
  • the toe cap then represents a "mirror image" of the stability element 1.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

Die Erfindung betrifft eine Schuhsohle, insbesondere zum Einsatz in Sicherheitsschuhen, enthaltend ein Stabilitätselement.The invention relates to a shoe sole, in particular for use in safety shoes, containing a stability element.

Schuhsohlen mit Verstärkungselementen sind allgemein bekannt und werden vielfach im Sportschuhbereich verwendet. So beschreibt beispielsweise die DE 199 04 744 B4 einen Sportschuh mit einem Stabilitätselement, das innerhalb der Sohle angeordnet ist, wobei sich das Stabilitätselement vom Hinterfußbereich in den Vorderfußbereich hinein erstreckt, und wobei das Stabilitätselement sich im Wesentlichen auf der medialen und/oder der lateralen Seite des Vorderfußbereiches erstreckt, wobei das Stabilitätselement dafür sorgt, dass beim Abrollen des Fußes durch elastische Verbiegung Energie aufgenommen wird, die beim Abstoßen des Fußes im Wesentlichen verlustfrei wieder abgegeben wird. Aus der US 2009/0249648 ist ein Außensohle für eine Golfschuh bekannt, die von unten mit "Sockeln" (pods) versehen wird, um eine bessere Standfestigkeit zu gewährleisten. Dabei werden bevorzugt drei Sockel im Vorderfußbereich und vier Sockel im Hinterfußbereich eingesetzt.Shoe soles with reinforcing elements are well known and are widely used in the sports shoe sector. For example, describes the DE 199 04 744 B4 a sports shoe having a stability element disposed within the sole, wherein the stability element extends from the hindfoot region into the forefoot region, and wherein the stability element extends substantially on the medial and / or lateral side of the forefoot region, the stability element providing it in that, when the foot rolls off, elastic energy is taken up by elastic bending, which energy is released again substantially without loss when the foot is pushed off. From the US 2009/0249648 is an outsole for a golf shoe is known, which is provided from below with "sockets" (pods), to ensure better stability. Three pedestals in the forefoot area and four pedestals in the rear foot area are preferred.

Die US 2012/0159814 offenbart ein Schuhwerk mit einem sogenannten "Shank" als Stabilisierungselement. Der Shank wird eingesetzt, um die Torsionssteifigkeit des Schuhwerks zu erhöhen. Das laterale und das mediale Ende des Shanks befinden sich im Zehenbereich in etwa auf der gleichen Höhe.The US 2012/0159814 discloses a footwear with a so-called "shank" as a stabilizing element. The Shank is used to increase the torsional stiffness of the footwear. The shank's lateral and medial ends are approximately at the same height in the toe area.

Die US 2011/0179675 offenbart eine Sohleneinlage, die eine "Vorderfußplatte" enthält, die so ausgelegt wird, dass sie der Stollenanordnung auf der Außensohle folgt. Dieses geschieht, um den Druck der Stollen besser über die gesamte Fläche des Vorderfußes zu verteilen und eine größere Annehmlichkeit gegen den Druck) zu gewährleisten.The US 2011/0179675 discloses a sole insert including a "forefoot plate" which is designed to follow the lug assembly on the outsole. This is done to better distribute the pressure of the studs over the entire area of the forefoot and to provide greater comfort against pressure.

Die Vorgänge, die sich im menschlichen Fuß beim Gehen und Laufen abspielen, sind komplex und mit verschieden Bewegungsabläufen verknüpft. Üblicherweise wird versucht, in den Schuhkonstruktionen die Schuhe so herzustellen, dass der natürliche Bewegungsablauf des menschlichen Fußes möglichst wenig behindert wird. Mit anderen Worten: Es wird angestrebt, den beim Barfußlaufen entstehenden Bewegungsablauf weitgehend zu simulieren bzw. zu erhalten.The processes that take place in the human foot while walking and running are complex and linked with different movements. Usually attempts are made in the shoe structures to make the shoes so that the natural movement of the human foot impeded as little as possible becomes. In other words: It is desirable to largely simulate or maintain the resulting motion during barefoot running.

Auch ist es bekannt, Schuhe oder Schuhsohlen mit Stabilitätselementen zu versehen, die bestimmte Fehlhaltungen oder orthopädische Missbildungen des Fußes korrigieren. Ein Beispiel dafür sind z.B. Verstärkungen bzw. Einlagen, die verhindern, dass der Fuß beim Laufen um mehrere Grade nach innen oder nach außen einknickt. Bei der sogenannten Supination erfolgt eine Hebung des inneren Fußrandes bei gleichzeitiger Senkung des äußeren Fußrandes. Die entgegengesetzte Bewegung nennt man Pronation, hier wird also der innere Fußrand gesenkt bei gleichzeitiger Hebung des äußeren Fußrandes.It is also known to provide shoes or soles with stability elements that correct certain malpositions or orthopedic malformations of the foot. An example of this is e.g. Reinforcements or inserts that prevent the foot from buckling inwards or outwards by several degrees when running. In the so-called supination, the inner edge of the foot is raised while the outer edge of the foot is lowered. The opposite movement is called pronation, so here the inner edge of the foot is lowered while simultaneously lifting the outer edge of the foot.

Die vorliegende Erfindung stellt sich nicht so sehr die Aufgabe, den natürlichen (Barfuß)Lauf zu simulieren oder Fehlhaltungen bzw. Missbildungen auszugleichen, sondern vielmehr, den menschlichen Fuß zu einem günstigen Bewegungsablauf zu bringen, ihm gewissermaßen einen vorteilhaften Ablauf der Bewegung "aufzuzwingen".The present invention is not so much the task of simulating the natural (barefoot) run or compensate for malpositions or malformations, but rather to bring the human foot to a favorable sequence of movements, to some extent "impose" an advantageous course of the movement.

Erfindungsgemäß gelingt die Lösung dieser Aufgabe durch eine Schuhsohle nach Anspruch 1. Bevorzugte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen offenbart.According to the invention, this object is achieved by a shoe sole according to claim 1. Preferred embodiments of the invention are disclosed in the dependent claims.

Der Abstand zwischen dem lateralen und dem medialen Ende des im Anspruch 1 erwähnten Stabilitätselementes liegt sinnvollerweise zwischen 5 mm und 40 mm, um die entsprechende Funktion zu erzielen.The distance between the lateral and the medial end of the stability element mentioned in claim 1 is usefully between 5 mm and 40 mm in order to achieve the corresponding function.

Unter einer bogenförmigen Anordnung ist zu verstehen , dass sich das Stabilitätselement 1 im Wesentlichen entlang der Schuhspitze halbkreisförmig von der medialen zu lateralen Seite des Schuhes erstreckt. Entscheidend für die erfindungsgemäße Funktion ist dabei, dass sich das laterale Ende des Stabilitätselementes 1 weiter nach hinten - also in Richtung Absatz - erstreckt als das mediale Ende des Stabilitätselementes 1.Under an arcuate arrangement is to be understood that the stability element 1 extends substantially along the toe semicircular from the medial to lateral side of the shoe. Decisive for the The function according to the invention is that the lateral end of the stability element 1 extends further to the rear, that is to say in the direction of the shoulder, than the medial end of the stability element 1.

Dabei ist es durchaus möglich, dass das Stabilitätselement 1 den vorderen Bereich der Schuhsohle praktisch vollflächig bedeckt, solange es die oben beschriebene asymmetrische Form in Bezug auf die Lage der beiden Ende aufweist.It is quite possible that the stability element 1 practically covers the entire area of the front area of the shoe sole as long as it has the above-described asymmetrical shape with respect to the position of the two ends.

Bevorzugt - aus Materialeinsatzgründen - wird es jedoch, wenn das Stabilitätselement 1 einen Bogen bildet, dessen Breite im Bereich von 0,5 bis 3 cm, bevorzugt zwischen 1 und 2 cm, liegt. Unter der "Breite" des Bogens ist der Abstand von dem inneren - zum Fuß hin gelegen - Bogenrand und dem äußeren - zur Schuhspitze gelegenen - Bogenrand zu verstehen (s. das Stabilitätselement 1 in der Fig. 2).However, it is preferred - for material application reasons - when the stability element 1 forms an arc whose width is in the range of 0.5 to 3 cm, preferably between 1 and 2 cm. The "width" of the arc is the distance from the inner - towards the foot - bow edge and the outer - located at the toe - bow edge to understand (see the stability element 1 in the Fig. 2 ).

Das Stabilitätselement 1 ist innerhalb der Sohle angeordnet. Das bedeutet, dass das Stabilitätselement zum Beispiel zwischen der Laufsohle und der Brandsohle liegt oder aber auch in die Brandsohle eingearbeitet ist. Der Unterschied und der Vorteil im Vergleich zur US 2009/0249648 - bei der "Sockel" auf die Außensohle aufgesetzt sind, liegt darin, dass auf diese Weise die Laufsohle ihre Flexibilität und Rutschsicherheit behält, was aufgrund des Einsatzes als Sicherheitsschuh, besonders auf glatten Böden, von außerordentlicher Wichtigkeit ist.

  • In Fig. 1 ist schematisch das Knochengerüst eines menschlichen Fußes dargestellt. Der Großzeh wird mit I gekennzeichnet und die weiteren Zehen mit II, III, IV und V (Kleinzeh). Mit Ausnahme des Großzehs haben alle Zehen II, III, IV und V drei Zehenglieder, die als Grundglied 7, Mittelglied 6 und Endglied 5 bezeichnet werden. Der Großzeh I weist nur das Endglied 5 und das Grundglied 7 auf. Die Gelenke, die sich unterhalb der Grundglieder 7 befinden, werden als Zehengrundgelenke bezeichnet.
  • In Fig. 2 ist schematisch der Verlauf eines Stabilitätselementes 1 gemäß vorliegender Erfindung dargestellt. Das halbkreisförmige Stabilitätselement 1 verläuft im Zehenbereich der Sohle und erstreckt sich bogenförmig entlang der lateralen (äußeren) Seite der Sohle weiter in Richtung Hinterfußbereich als entlang der medialen (inneren) Seite der Sohle. Dabei folgt das Stabilitätselement 1 dem Verlauf der Fußspitze bzw. Schuhspitze.
  • Fig. 2a zeigt eine weitere Ausführungsform des Stabilitätselementes 1, diesmal als vollflächiges Element, das den Zehenbereich weitgehend überdeckt.
    Legt man den Aufbau des Knochengerüstes des menschlichen Fußes zugrunde, so zeichnet sich die Schuhsohle bevorzugt dadurch aus, dass sich das mediale Ende des Stabilitätselementes 1 in etwa in Höhe des Grundglieds (7) des Großzehs befindet.
    Das laterale Ende des Stabilitätselementes 1 befindet sich dabei bevorzugt in etwa in Höhe des Grundglieds (7) des Kleinzehs.
    Die erfindungsgemäße Aufgabe wird ebenfalls gelöst durch eine Schuhsohle nach Anspruch 5. Bevorzugte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen offenbart.
  • Fig. 3 zeigt schematisch ein solches Stabilitätselement 2, wobei dieses in der Abbildung als "H-förmiges" Element dargestellt ist, was bevorzugt ist, aber nicht einschränkend ausgelegt werden soll.
    Hierbei wird es besonders bevorzugt, dass das "H" des Stabilitätselementes 2 zwei etwa gleich lange Schenkel aufweist, die in Richtung Hinterfußbereich ausgerichtet sind und zwei Schenkel in Richtung Vorderfußbereich wobei in Richtung Vorderfuß gesehen der mediale Schenkel länger ist als der laterale Schenkel. Ein derartiges Stabilitätselement ist in der WO 2012/092135 beschrieben, allerdings im Zusammenhang mit einer orthopädischen Zwischensohle für einen orthopädischen Schuh.
    Die H-Form und diese Längen ermöglichen es, dass zum einen die gewünschte Abknickung erreicht wird, und zum anderen, dass die Flexibilität der Sohle und damit die des gesamten Schuhs in Longitudinalrichtung erhalten bleibt.
  • Fig. 3a zeigt eine weitere Ausführungsform des Stabilitätselementes 2, diesmal als vollflächiges Element, dass den Fersenbereich weitgehend überdeckt.
The stability element 1 is arranged inside the sole. This means that the stability element, for example, lies between the outsole and the insole or is also incorporated in the insole. The difference and the advantage compared to US 2009/0249648 - are placed on the "sole" on the outsole, is that in this way, the outsole retains its flexibility and slip resistance, which is due to the use as a safety shoe, especially on smooth floors, of extreme importance.
  • In Fig. 1 is shown schematically the skeleton of a human foot. The big toe is marked with I and the other toes with II, III, IV and V (small toe). With the exception of the big toe, all toes II, III, IV and V have three phalanges, which are referred to as the basic member 7, middle member 6 and end member 5. The big toe I has only the end member 5 and the base member 7. The joints, which are located below the base members 7, are referred to as toe joints.
  • In Fig. 2 is shown schematically the course of a stability element 1 according to the present invention. The semicircular stability element 1 extends in the toe area of the sole and extends arcuately along the lateral (outer) side of the sole towards the hindfoot area than along the medial (inner) side of the sole. The stability element 1 follows the course of the toe or toe.
  • Fig. 2a shows a further embodiment of the stability element 1, this time as a full-surface element that largely covers the toe area.
    Based on the structure of the skeleton of the human foot, so the shoe sole is preferably characterized by the fact that the medial end of the stability element 1 is located approximately at the level of the base member (7) of the big toe.
    The lateral end of the stability element 1 is preferably located approximately at the height of the base member (7) of the small toe.
    The object of the invention is also achieved by a shoe sole according to claim 5. Preferred embodiments of the invention are disclosed in the dependent claims.
  • Fig. 3 shows schematically such a stability element 2, which is shown in the figure as an "H-shaped" element, which is preferred, but not to be construed restrictive.
    In this case, it is particularly preferred that the "H" of the stability element 2 has two legs of approximately equal length, which are aligned in the direction of the hindfoot region and two legs in the direction of the forefoot region, the medial limb being longer in the direction of the forefoot than the lateral limb. Such a stability element is in the WO 2012/092135 described, however, in connection with an orthopedic midsole for an orthopedic shoe.
    The H-shape and these lengths make it possible, on the one hand, to achieve the desired bending, and, on the other hand, to maintain the flexibility of the sole and thus of the entire shoe in the longitudinal direction.
  • Fig. 3a shows a further embodiment of the stability element 2, this time as a full-surface element that largely covers the heel area.

Die Stabilitätselemente 1 und 2 sind so angeordnet, dass sie die natürliche, schräge Abknickung des Fußes nicht nur ermöglichen sondern sogar erzwingen. Hierdurch ist die Schuhsohle an die Anatomie des menschlichen Fußes und dessen Bewegungsabläufe angepasst.The stability elements 1 and 2 are arranged so that they not only allow the natural, oblique bending of the foot but even enforce. As a result, the shoe sole is adapted to the anatomy of the human foot and its movements.

In den Fig. 2 und 3 (bzw. 4) ist dieses natürliche Abknicken durch eine Knicklinie dargestellt, die beginnend an der medialen Seite der Sohle im Vorderfußbereich und unterhalb des Zehenbereiches zunächst in etwa senkrecht zu der medialen Seite der Sohle verläuft und dann kurz vor der longitudinalen Achse der Sohle in Richtung des Hinterfußbereiches im stumpfen Winkel abknickt.In the Fig. 2 and 3 (or 4 ) this natural kinking is represented by a crease line, which, beginning at the medial side of the sole in the forefoot area and below the toe area, initially runs approximately perpendicular to the medial side of the sole and then shortly before the longitudinal axis of the sole in the direction of the rear foot area at an obtuse angle kinkickt.

Wie bereits gesagt, wird durch die Verstärkungselemente der Sohle das schräge Abknicken des menschlichen Fußes unterstützt bzw. erzwungen, wie sie bei einer Gehbewegung barfuß vorkommt. Dabei knickt der menschliche Fuß beim Gehen im Bereich des Großzehs gerade und im Bereich des Kleinzehs schräg ab.As already mentioned, the oblique bending of the human foot is supported or enforced by the reinforcing elements of the sole, as occurs barefoot during a walking movement. The human foot kinks while walking in the area of the big toe straight and obliquely in the area of the small toe.

Die erfindungsgemäße Aufgabe wird ebenfalls gelöst durch eine Schuhsohle nach Anspruch 6. Bevorzugte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen offenbart.The object of the invention is also achieved by a shoe sole according to claim 6. Preferred embodiments of the invention are disclosed in the dependent claims.

Eine solche erfindungsgemäße Sohle, die beide Stabilitätselemente 1 und 2 enthält, ist in der Fig. 4 schematisch dargestellt. Hier wirken also beide Elemente zusammen, sodass die oben beschriebene Abknickung noch stärker erzwungen wird.Such a sole according to the invention, which contains both stability elements 1 and 2, is in the Fig. 4 shown schematically. Here, therefore, both elements work together, so that the bend described above is even more enforced.

Fig. 4 zeigt, dass sich - ebenfalls bevorzugt - das mediale Ende des Stabilitätselementes 2 sogar noch weiter vorn im Vorderfußbereich befindet als das laterale Ende des Stabilitätselementes 1, sodass also ein gedachte Linie senkrecht zur Longitudinalachse der Sohle ausgehend vom medialen Ende des Stabilitätselementes 2 das Stabilitätselement 1 vor seinem lateralen Ende schneiden würde. Fig. 4 shows that - also preferred - the medial end of the stability element 2 even further forward in the forefoot is than the lateral end of the stability element 1, so therefore an imaginary line perpendicular to the longitudinal axis of the sole, starting from the medial end of the stability element 2 before the stability element 1 would cut its lateral end.

Auch beim Zusammenwirken beider Stabilitätselemente ist es wiederum bevorzugt, wenn die Elemente so angeordnet sind, dass eine gedachte Linie vom medialen Ende des Stabilitätselementes (1) zum lateralen Ende des Stabilitätselementes (1) bzw. eine gedachte Linie vom lateralen Ende des Stabilitätselementes (2) zum medialen Ende des Stabilitätselementes (2) in etwa entlang der natürlichen Abknickung des Fußes verläuft.Also, in the interaction of both stability elements, it is again preferred if the elements are arranged so that an imaginary line from the medial end of the stability element (1) to the lateral end of the stability element (1) or an imaginary line from the lateral end of the stability element (2). to the medial end of the stability element (2) extends approximately along the natural bend of the foot.

Fig. 5 zeigt besonders eindrucksvoll, dass durch das Zusammenwirken der beiden Stabilitätselemente 1 und 2 ein Bereich 3 entsteht, der der natürlichen Lage der Zehengrundgelenke (hier als Ovale angedeutet) entspricht. Fig. 5 shows particularly impressively that the interaction of the two stability elements 1 and 2 creates an area 3, which corresponds to the natural position of the toe joints (here indicated as ovals).

Fig. 5a zeigt eine weitere Ausführungsform des Zusammenwirkens der beiden Stabilitätselemente 1 und, diesmal als vollflächige Elemente, die den Zehen- und Fersenbereich weitgehend überdecken. Fig. 5a shows a further embodiment of the interaction of the two stability elements 1 and, this time as full-surface elements that largely cover the toe and heel area.

Im Unterschied zum Stand der Technik wird hier ein Bereich definierte Breite geschaffen, der durch die Abstände zwischen den lateralen und medialen Enden der beiden Verstärkungselemente erzeugt wird.In contrast to the prior art, here an area defined width is created, which is generated by the distances between the lateral and medial ends of the two reinforcing elements.

Der Fuß knickt in diesem Bereich natürlich ab bzw. wird dadurch beim Abknicken unterstützt oder sogar "gezwungen".The foot kinks in this area, of course, or is supported by the kinking or even "forced".

Weiter verbessert wird das Abknickverhalten, wenn auf der Sohlenunterseite ebenfalls Strukturen eingelassen werden, die die Flexibilität in Abknickrichtung unterstützen.The kinking behavior is further improved if structures are likewise introduced on the underside of the sole which support the flexibility in the direction of the kinking.

Das Stabilitätselement bzw. die Stabilitätselemente der Sohle gemäß der Erfindung sind bevorzugt innerhalb der Sohle integriert.The stability element or the stability elements of the sole according to the invention are preferably integrated within the sole.

Als Sohle im Sinne der Erfindung sind alle bekannten und eingesetzten Sohlentypen zu verstehen, wie die Laufsohle, die Brandsohle oder auch die Einlegesohle. Diese Sohlen sind dem Fachmann bekannt. Besonders bevorzugt sind die Verstärkungselemente in die Laufsohle integriert. Sie können jedoch auch in anderen Sohlen eingebaut sein. Ebenso ist es möglich, dass gleichzeitig mehrere Sohlen die Verstärkungselemente beinhalten.As the sole in the context of the invention, all known and used sole types are to be understood, such as the outsole, the insole or the insole. These soles are known in the art. Particularly preferably, the reinforcing elements are integrated in the outsole. However, they can also be installed in other soles. It is also possible that several soles include the reinforcing elements at the same time.

Darüber hinaus können die Verstärkungselemente auch separat in den Schuh eingelegt werden, wobei natürlich darauf zu achten ist, dass die Sohle(n) im Schuh nicht der Wirkung der Verstärkungselemente entgegen wirken.In addition, the reinforcing elements can also be placed separately in the shoe, of course, it must be ensured that the sole (s) in the shoe do not counteract the effect of the reinforcing elements.

Die Materialien, aus denen die Stabilitätselemente bestehen, sind prinzipiell nicht eingeschränkt, bevorzugt bestehen sie aber aus Polyurethan, Polyethylen, Polypropylen oder Mischungen aus den genannten StoffenThe materials of which the stability elements consist are in principle not restricted, but preferably they consist of polyurethane, polyethylene, polypropylene or mixtures of the substances mentioned

Aufgrund der Wirkung der erfindungsgemäßen Sohle ist die Sohle für eine ganze Reihe verschiedenartiger Schuhe gut geeignet, jedoch insbesondere für sogenannte Sicherheitsschuhe bevorzugt.Due to the effect of the sole according to the invention, the sole is well suited for a whole range of different types of shoes, but is particularly preferred for so-called safety shoes.

Die Bevorzugung von Sicherheitsschuhen ergibt sich unter anderem daraus, dass man zusätzlich eine Schutzkappe im Zehenbereich des Schuhs bzw. der Schuhsohle anordnen kann, wobei die Schutzkappe eine schalenartige Form aufweist und in etwa senkrecht und parallel zu dem Stabilitätselement 1 verläuft. Prinzipiell stellt die Zehenkappe dann ein "Spiegelbild" des Stabilitätselementes 1 dar.The preference of safety shoes arises, inter alia, from the fact that it is additionally possible to arrange a protective cap in the toe region of the shoe or the shoe sole, wherein the protective cap has a shell-like shape and runs approximately perpendicular and parallel to the stability element 1. In principle, the toe cap then represents a "mirror image" of the stability element 1.

Wie sich aus der Beschreibung der Erfindung und insbesondere natürlich aus den Ansprüchen ergibt, funktioniert die Sohle bereits vorzüglich, wenn (lediglich) das Stabilitätselement 1 vorliegt.
Der Verlauf dieses Stabilitätselementes entspricht in sehr guter Näherung auch dem Verlauf einer seitens der Anmelderin in der DE 20 20130 09677 vorgeschlagenen Sicherheitskappe.
Das Zusammenwirken beider Elemente, also der Schutzkappe und zumindest des Stabilitätselementes 1, bewirkt einen ausgezeichneten Schutz des Fußes im Sicherheitsschuh bei gleichzeitiger hervorragender Unterstützung bzw. Erzwingung eines natürlichen Abknickens des Fußes.As is apparent from the description of the invention and, in particular, of course, from the claims, the sole already works excellently when (only) the stability element 1 is present.
The course of this stability element corresponds in a very good approximation to the course of a part of the applicant in the DE 20 20130 09677 proposed safety cap.
The interaction of the two elements, so the cap and at least the stability element 1, provides excellent protection of the foot in the safety shoe while excellent support or enforcement of a natural kinking of the foot.

Claims (13)

  1. Shoe sole including a stability element (1) within the sole, wherein the stability element (1) has respectively one medial and one lateral end, and is disposed in a substantially arcuate manner along the toe region of the shoe sole and extends in this regard along the medial and lateral sides of the sole in the toe region, wherein the medial end of the stability element (1) is located approximately at the level of the big toe, and characterised in that the lateral end of the stability element (1) is located approximately at the level of the little toe.
  2. Shoe sole according to claim 1, characterised in that the medial end of the stability element (1) is located approximately at the level of the proximal phalanx (7) of the big toe.
  3. Shoe sole according to one or more of the preceding claims, characterised in that the lateral end of the stability element is located approximately at the level of the proximal phalanx (7) of the little toe.
  4. The shoe sole according to one or more of the preceding claims, characterised in that an imaginary line extends from the medial end of the stability element (1) to the lateral end of the stability element (1) approximately along the natural curvature of the foot.
  5. Shoe sole including within the sole a stability element (2), wherein the stability element (2) has respectively one medial and one lateral end, and extends in each case starting from the sole middle in the rear foot region into the front foot region and substantially along the medial and lateral sides of the sole and that the medial end of the stability element (2) is located behind the proximal phalanx (7) of the big toe and the lateral end of the stability element (2) is located behind the proximal phalanx (7) of the little toe, wherein the spacings between medial end of the stability element (2) and proximal phalanx (7) of the big toe, as well as between lateral end of the stability element (2) and proximal phalanx (7) of the little toe are approximately the same length and characterised in that an imaginary line from the lateral end of the stability element (2) to the medial end of the stability element (2) extends approximately along the natural curvature of the foot and that the medial end of the stability element (2) is located further forward in the front foot region than the lateral end of the stability element (2).
  6. Shoe sole, which is equipped with at least two separate stability elements, wherein the stability elements have respectively one medial and one lateral end, wherein a stability element (1) is disposed in an arcuate manner along the toe region of the shoe sole and extends in this regard along the medial and lateral sides of the sole in the toe region, and a further stability element (2) extends from the rear foot region into the front foot region also substantially along the medial and lateral sides of the sole, wherein the midpoint of an imaginary connecting line between the medial ends of the two stability elements lies offset opposite the midpoint of an imaginary connecting line between the lateral ends of the two stability elements, and wherein the stability elements are integrated within the sole.
  7. The shoe sole according to claim 6, characterised in that the medial end of the stability element (2) is located further forward in the front region than the lateral end of the stability element (1).
  8. The shoe sole according to one or more of the preceding claims, characterised in that the stability element(s) is/are integrated within the insole.
  9. The shoe sole according to one or more of the preceding claims 5 to 8, characterised in that the stability element (2) has a shape like the letter "H".
  10. The shoe sole according to claim 9, characterised in that the "H" of the stability element (2) has two flanks having approximately the same length, which are oriented in the direction of the rear foot region, and two flanks in the direction of the front foot region and in this direction the medial flank is longer than the lateral flank.
  11. The shoe sole according to one or more of the preceding claims, characterised in that the stability elements are made of polyurethane, polyethylene, polypropylene or mixtures of the said materials.
  12. Safety shoe including a shoe sole according to one or more of the preceding claims.
  13. The safety shoe according to claim 12, characterised in that in addition a protective cap disposed in the toe region of the shoe or of the shoe sole, wherein the protective cap has a shell-like form and extends approximately perpendicularly to and in parallel to the stability element (1).
EP16724670.1A 2015-05-27 2016-05-25 Shoe sole with reinforcement Active EP3302132B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15169306.6A EP3097809A1 (en) 2015-05-27 2015-05-27 Shoe sole with reinforcement
PCT/EP2016/061803 WO2016189033A1 (en) 2015-05-27 2016-05-25 Shoe sole with reinforcement

Publications (2)

Publication Number Publication Date
EP3302132A1 EP3302132A1 (en) 2018-04-11
EP3302132B1 true EP3302132B1 (en) 2019-09-18

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EP15169306.6A Withdrawn EP3097809A1 (en) 2015-05-27 2015-05-27 Shoe sole with reinforcement
EP16724670.1A Active EP3302132B1 (en) 2015-05-27 2016-05-25 Shoe sole with reinforcement

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Application Number Title Priority Date Filing Date
EP15169306.6A Withdrawn EP3097809A1 (en) 2015-05-27 2015-05-27 Shoe sole with reinforcement

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EP (2) EP3097809A1 (en)
DE (1) DE202016008628U1 (en)
DK (1) DK3302132T3 (en)
PT (1) PT3302132T (en)
WO (1) WO2016189033A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110179675A1 (en) * 2010-01-14 2011-07-28 Miller Michael J Sport specific footwear insole
DE102010027418A1 (en) * 2010-07-09 2012-01-12 Bauerfeind Ag Support clip for shoe inserts
US20120233877A1 (en) * 2011-03-18 2012-09-20 Columbia Sportswear North America, Inc. High-stability multi-density midsole

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904744B4 (en) 1999-02-05 2005-11-10 Adidas International Marketing B.V. shoe
US7673400B2 (en) * 2007-07-09 2010-03-09 Acushnet Company Golf shoe outsole
EP2299949B1 (en) * 2008-06-26 2018-08-08 New Balance Athletics, Inc. Shoe sole element for stabilization
JP5927205B2 (en) * 2010-12-28 2016-06-01 スーパーフィート ワールドワイド， インコーポレイテッド Footwear with orthodontic midsole
US20140059887A1 (en) * 2011-09-08 2014-03-06 Kevin B. Lawlor Footwear support structures
DE202013009677U1 (en) 2013-10-31 2013-11-13 Baak GmbH & Co. KG Safety shoe with protective cap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110179675A1 (en) * 2010-01-14 2011-07-28 Miller Michael J Sport specific footwear insole
DE102010027418A1 (en) * 2010-07-09 2012-01-12 Bauerfeind Ag Support clip for shoe inserts
US20120233877A1 (en) * 2011-03-18 2012-09-20 Columbia Sportswear North America, Inc. High-stability multi-density midsole

Also Published As

Publication number Publication date
EP3097809A1 (en) 2016-11-30
DK3302132T3 (en) 2019-10-21
WO2016189033A1 (en) 2016-12-01
EP3302132A1 (en) 2018-04-11
DE202016008628U1 (en) 2018-10-18
PT3302132T (en) 2019-10-30

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