EP2675314B1 - Footwear - Google Patents

Footwear Download PDF

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Publication number
EP2675314B1
EP2675314B1 EP11778821.6A EP11778821A EP2675314B1 EP 2675314 B1 EP2675314 B1 EP 2675314B1 EP 11778821 A EP11778821 A EP 11778821A EP 2675314 B1 EP2675314 B1 EP 2675314B1
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EP
European Patent Office
Prior art keywords
lower layer
upper layer
item
layer
sole
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.)
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Application number
EP11778821.6A
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German (de)
French (fr)
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EP2675314A1 (en
Inventor
Karl Müller
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.)
Joya Schuhe AG
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Joya Schuhe AG
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Publication date
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Publication of EP2675314A1 publication Critical patent/EP2675314A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • A43B13/127—Soles with several layers of different materials characterised by the midsole or middle layer the midsole being multilayer
    • 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
    • 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
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • 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
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188—Differential cushioning regions

Definitions

  • the invention relates to a shoe according to the preamble of claim 1.
  • Such shoes with a multilayer sole structure made of different materials have been known for some time and in use. As a rule, certain running properties are to be achieved, which make it easier for the user to walk.
  • a shoe with sprung sole and with multilayer sole construction is for example by the WO 2009/010933 known.
  • the sole construction consists of a midsole, a buffer sole and an abrasion-resistant outsole.
  • a shoe with multilayer sole construction is also by the EP 0041201 A known.
  • a disadvantage of the known constructions is that the material properties of the different contact zones of the foot are not given enough consideration.
  • the starting point of the invention is namely the realization that, depending on the desired properties, the contact surface of the sole of the foot requires different material properties for support. For example, the majority of body weight is borne by the heel and footpad, although different material properties may be desired for the load-bearing sole already here.
  • the lower layer at least partially penetrates the upper layer in such a way that the support surface is formed by areas of the lower layer and the upper layer, whereby due to the different material properties, in particular the elasticity, density or hardness of these layers, a targeted spring action can be achieved.
  • At least the football zone lies in an area of the lower class and at least the heel zone in an area of the upper class.
  • the topsheet is harder than the backsheet, this results in the entire ball of the foot area being able to roll on soft material and the heel being supported by the less elastic topsheet.
  • Upper layer and lower layer are advantageously made of a polymer material such as polyurethane.
  • a polymer material such as polyurethane.
  • EVA Ethylene vinyl acetate
  • the upper layer has a hardness Shore-C in the range of 38 to 42 and the lower layer has a hardness Shore-C in the range of 28 to 34.
  • Preferred values for the topsheet 40 and for the backsheet 30 are Shore C with a tolerance range of +/- 1.
  • the upper layer advantageously has a density in the range from 0.34 to 0.37 g / cm 3 and the lower layer has a density in the range from 0.28 to 0.31 g / cm 3 .
  • Upper layer and lower layer can be firmly glued together so that a compact sole structure is achieved. It would also be conceivable, however, to use a cohesive weld or even a releasable snap together with corresponding snap connections.
  • the region of the upper layer completely surrounds the region of the lower layer at the contact surface.
  • the peripheral outer edge of the support surface is thus seen to be completely formed by the harder top layer.
  • the areal area of the lower layer on the support surface may vary depending on the design of the running properties. Advantageously, however, it is approximately between 25% to 45% of the total bearing surface. In this way, the foot is supported for the greater part and in particular over the greater part of its longitudinal arch by the harder upper layer.
  • the sole has one longitudinal inner side and one longitudinal outer side in the longitudinal direction of the shoe.
  • the longitudinal inner sides of the soles facing each other and the longitudinal outer sides facing away from each other.
  • a particularly advantageous rolling behavior can be achieved if the upper layer between the soccer zone and the heel zone on the longitudinal inner side convexly bulges into the lower layer.
  • the upper layer is designed like a dome, so that the convex configuration, as can be seen, also extends transversely to the longitudinal inner side.
  • the upper layer can have an approximately constant vertical height on the longitudinal outer side, whereby the vertical height of the lower layer can increase continuously from the football zone to the heel zone.
  • the upper layer can be firmly connected to its outer circumference with its upper shoe.
  • an additional insole is not required.
  • the backsheet can directly form the visible outsole of the shoe. Since the lower layer is made of a softer material, but it may also be appropriate if this rests on a separate outsole made of harder material. This prevents too rapid abrasion.
  • the outsole may also completely encase the topsheet and backsheet and, for example, also be bonded to the topsheet.
  • the support surface of the sole can only be covered with a flexible textile fabric, which, for example, passes directly into the inner lining of the upper shoe.
  • the upper layer can be provided at least in the area between heel zone and football zone with openings that penetrate the upper layer in whole or in part. These openings improve the ventilation in the area of the support surface, and they cause a certain pumping effect with each compression or release.
  • the upper layer over the greater part of its outer circumference or over its entire outer circumference is provided with a raised support edge.
  • a footbed is formed, in which the foot rests as form-fitting as possible.
  • this edge facilitates the attachment of the outsole.
  • the upper shoe could thus also consist of very flexible material such as a textile material, or the upper shoe could only be designed as a half-panties.
  • the shoe 1 according to FIG. 1 consists of an upper shoe 2 and a sole 3.
  • the upper shoe can be basically formed arbitrarily, and it can be both a lace-up, as well as a panties.
  • the sole 3 has a top layer 4 and a bottom layer 5, these layers need not necessarily be visible from the outside.
  • sole 3 consists of a top layer 4 and a backsheet 5.
  • the foot lies on a support surface designated overall by 6, and the top layer 4 may have a support edge 13 in the region of the two longitudinal sides and in the region of the heel.
  • the upper layer 4 has a cutout 15 in which the lower layer 5 penetrates the upper layer 4 as far as the plane of the support surface 6.
  • a heel zone 7 is completely formed by the harder top layer 4.
  • the area of the support surface 6 formed by the softer lower layer has an approximately rectangular configuration with rounded corners. Other Configurations would of course be conceivable.
  • a support curvature 10 is arranged, which lies asymmetrically closer to the inside of the foot.
  • FIG. 2 is a sole for a left shoe shown.
  • the sole construction for the corresponding right shoe would of course be mirror-symmetrical. However, it would also be conceivable that for orthopedic reasons, the sole construction for the left and the right shoe is designed differently.
  • an outsole 9 may be arranged, which has a relatively small wall thickness and which is pulled up laterally.
  • the interlocking of upper layer 4 and lower layer 5 can also be used for design purposes, for example by different coloring, as shown.
  • FIGS. 6 to 8 It can be seen how the composition of the two layers 4 and 5 practically in changed every cutting plane.
  • the upper layer 4 In the area of the football zone 8, the upper layer 4 is practically only present on the left and right edge.
  • the upper layer 4 in the region of the metatarsus or in the region of the supporting curvature 10 is solid and tapers towards the outer side of the foot.
  • upper layer 4 and lower layer 5 are about the same extent formed over the entire cross section, as from FIG. 8 is apparent, wherein the material content of the lower layer is greater than that of the upper layer.
  • the actual outsole 9 may have any profiling 14.
  • the sinking depth in mm is shown as a function of the loading force in N on the supporting surface.
  • the diagram shows that the sinking depth, despite the different layer structure up to a force of approx. 650 N, is approximately linear with the load.
  • the different curves show different measurement cycles with a straight line averaging the curves for comparison.
  • FIGS. 11 to 14 show an alternative embodiment of a sole.
  • FIG. 11 perspective view of an underlayer 5 is shown. Good to see is a survey 19, with which the cutout 15 in the upper layer 4 ( FIG. 12 ) is penetrated.
  • a trough 18 serves to receive a corresponding curvature 20 in the upper layer 4.
  • FIG. 12 shows the sole in the glued state with its longitudinal inner side 16 and the longitudinal outer side 17th
  • the vertical height a of the upper layer 4 on the longitudinal outer side is approximately constant everywhere.
  • the configuration of the lower layer 5 is more complex, being somewhat thickened in the heel area and in the footpad area.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • 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 einen Schuh gemäss dem Oberbegriff von Anspruch 1. Derartige Schuhe mit einem mehrschichtigen Sohlenaufbau aus unterschiedlichen Materialien sind seit einiger Zeit bekannt und gebräuchlich. Damit sollen in der Regel bestimmte Laufeigenschaften erzielt werden, welche dem Benutzer das Gehen erleichtern.The invention relates to a shoe according to the preamble of claim 1. Such shoes with a multilayer sole structure made of different materials have been known for some time and in use. As a rule, certain running properties are to be achieved, which make it easier for the user to walk.

Ein Schuh mit gefederter Sohle und mit mehrschichtigem Sohlenaufbau ist beispielsweise durch die WO 2009/010933 bekannt geworden. Der Sohlenaufbau besteht aus einer Mittelsohle, einer Puffersohle und einer abriebsresistenten Laufsohle.A shoe with sprung sole and with multilayer sole construction is for example by the WO 2009/010933 known. The sole construction consists of a midsole, a buffer sole and an abrasion-resistant outsole.

Ein Schuh mit mehrschichtigem Sohlenaufbau ist auch durch die EP 0041201 A bekannt geworden.A shoe with multilayer sole construction is also by the EP 0041201 A known.

Ein Nachteil der bekannten Konstruktionen besteht darin, dass die Materialeigenschaften der verschiedenen Auflagezonen des Fusses zu wenig berücksichtigt werden. Ausgangspunkt der Erfindung ist nämlich die Erkenntnis, dass je nach den gewünschten Eigenschaften die Auflagefläche der Fusssohle unterschiedliche Materialeigenschaften zur Stützung erfordert. So wird beispielsweise der Hauptanteil des Körpergewichts durch die Ferse und durch den Fussballen getragen, wobei aber möglicherweise bereits hier unterschiedliche Materialeigenschaften für die Last aufnehmende Sohle gewünscht sind.A disadvantage of the known constructions is that the material properties of the different contact zones of the foot are not given enough consideration. The starting point of the invention is namely the realization that, depending on the desired properties, the contact surface of the sole of the foot requires different material properties for support. For example, the majority of body weight is borne by the heel and footpad, although different material properties may be desired for the load-bearing sole already here.

Es ist daher eine Aufgabe der Erfindung, einen Schuh der eingangs genannten Art zu schaffen, der eine optimale Abstützung des Fusses gewährleistet. Dabei sollen unterschiedliche Bereiche der Auflagefläche für den Fuss unterschiedliche Materialeigenschaften aufweisen, um den Tragkomfort und die Stützwirkung zu verbessern. Diese Aufgabe wird mit einem Schuh gelöst, der die Merkmale im Anspruch 1 aufweist.It is therefore an object of the invention to provide a shoe of the type mentioned, which ensures optimum support of the foot. Different areas of the support surface for the foot should have different material properties in order to improve the wearing comfort and the support effect. This object is achieved with a shoe having the features in claim 1.

Dabei durchdringt die Unterschicht wenigstens teilweise die Oberschicht derart, dass die Auflagefläche durch Bereiche der Unterschicht und der Oberschicht gebildet wird, wobei infolge der unterschiedlichen Materialeigenschaften, insbesondere der Elastizität, Dichte oder Härte dieser Schichten eine gezielte Federwirkung erreicht werden kann.In this case, the lower layer at least partially penetrates the upper layer in such a way that the support surface is formed by areas of the lower layer and the upper layer, whereby due to the different material properties, in particular the elasticity, density or hardness of these layers, a targeted spring action can be achieved.

Dabei liegen wenigstens die Fussballenzone in einem Bereich der Unterschicht und wenigstens die Fersenzone in einem Bereich der Oberschicht. Weil die Oberschicht härter ausgebildet ist als die Unterschicht, führt dies ersichtlicherweise dazu, dass der gesamte Fussballenbereich auf weichem Material abrollen kann und dass die Ferse durch die weniger elastische Oberschicht abgestützt wird.At least the football zone lies in an area of the lower class and at least the heel zone in an area of the upper class. Evidently, because the topsheet is harder than the backsheet, this results in the entire ball of the foot area being able to roll on soft material and the heel being supported by the less elastic topsheet.

Oberschicht und Unterschicht bestehen vorteilhaft aus einem Polymerwerkstoff wie z. B. Polyurethan. Auch andere Materialien sind aber einzeln oder in Kombination denkbar, wie z.B. Ethylenvinylacetat (EVA), Gummi oder auch Verbundwerkstoffe.Upper layer and lower layer are advantageously made of a polymer material such. As polyurethane. However, other materials are also conceivable individually or in combination, such as e.g. Ethylene vinyl acetate (EVA), rubber or composites.

Besonders gute Resultate können erzielt werden, wenn die Oberschicht eine Härte Shore-C im Bereich von 38 bis 42 und die Unterschicht eine Härte Shore-C im Bereich von 28 bis 34 aufweist. Bevorzugte Werte sind für die Oberschicht 40 und für die Unterschicht 30 Shore-C mit einem Toleranzbereich von +/- 1.Particularly good results can be achieved if the upper layer has a hardness Shore-C in the range of 38 to 42 and the lower layer has a hardness Shore-C in the range of 28 to 34. Preferred values for the topsheet 40 and for the backsheet 30 are Shore C with a tolerance range of +/- 1.

Eine besondere Rolle für den Tragkomfort und für die Aufrechterhaltung der Laufeigenschaften spielt auch die Materialdichte. Die Oberschicht weist dabei vorteilhaft eine Dichte im Bereich von 0.34 bis 0.37 g/cm3 und die Unterschicht eine solche im Bereich von 0.28 bis 0.31 g/cm3 auf.A special role for the wearing comfort and for the maintenance of the running characteristics also plays the material density. The upper layer advantageously has a density in the range from 0.34 to 0.37 g / cm 3 and the lower layer has a density in the range from 0.28 to 0.31 g / cm 3 .

Oberschicht und Unterschicht können fest miteinander verklebt sein, so dass ein kompakter Sohlenaufbau erzielt wird. Denkbar wäre aber auch eine stoffschlüssige Verschweissung oder auch nur ein lösbares Zusammenschnappen mit entsprechenden Schnappverbindungen.Upper layer and lower layer can be firmly glued together so that a compact sole structure is achieved. It would also be conceivable, however, to use a cohesive weld or even a releasable snap together with corresponding snap connections.

Vorzugsweise umgibt an der Auflagefläche der Bereich der Oberschicht den Bereich der Unterschicht vollständig. Die umlaufende Aussenkante der Auflagefläche wird somit ersichtlicherweise vollständig durch die härtere Oberschicht gebildet.Preferably, the region of the upper layer completely surrounds the region of the lower layer at the contact surface. The peripheral outer edge of the support surface is thus seen to be completely formed by the harder top layer.

Der flächenmässige Bereich der Unterschicht an der Auflagefläche kann je nach Ausgestaltung der Laufeigenschaften variieren. Vorteilhaft liegt er jedoch etwa zwischen 25 % bis 45 % der gesamten Auflagefläche. Auf diese Weise ist der Fuss zum grösseren Teil und insbesondere über den grösseren Teil seines Längsgewölbes durch die härtere Oberschicht abgestützt.The areal area of the lower layer on the support surface may vary depending on the design of the running properties. Advantageously, however, it is approximately between 25% to 45% of the total bearing surface. In this way, the foot is supported for the greater part and in particular over the greater part of its longitudinal arch by the harder upper layer.

Die Sohle weist in Schuhlängsrichtung je eine Längsinnenseite und eine Längsaussenseite auf. Ersichtlicherweise sind bei einem Paar Schuhe die Längsinnenseiten der Sohlen einander zugewandt und die Längsaussenseiten voneinander abgewandt. Ein besonders vorteilhaftes Abrollverhalten kann erzielt werden, wenn sich die Oberschicht zwischen der Fussballenzone und der Fersenzone auf der Längsinnenseite konvex in die Unterschicht hineinwölbt. Die Oberschicht ist dabei kalottenartig ausgebildet, so dass sich die konvexe Ausgestaltung ersichtlicherweise auch quer zur Längsinnenseite erstreckt.The sole has one longitudinal inner side and one longitudinal outer side in the longitudinal direction of the shoe. Evidently, in a pair of shoes, the longitudinal inner sides of the soles facing each other and the longitudinal outer sides facing away from each other. A particularly advantageous rolling behavior can be achieved if the upper layer between the soccer zone and the heel zone on the longitudinal inner side convexly bulges into the lower layer. The upper layer is designed like a dome, so that the convex configuration, as can be seen, also extends transversely to the longitudinal inner side.

Die Oberschicht kann auf der Längsaussenseite eine etwa gleich bleibende vertikale Höhe aufweisen, wobei die vertikale Höhe der Unterschicht von der Fussballenzone bis zur Fersenzone kontinuierlich zunehmen kann.The upper layer can have an approximately constant vertical height on the longitudinal outer side, whereby the vertical height of the lower layer can increase continuously from the football zone to the heel zone.

Die Oberschicht kann an ihrem Aussenumfang fest mit ihrem Oberschuh verbunden sein. Je nach Ausgestaltung der Auflagefläche ist eine zusätzliche Brandsohle nicht erforderlich. Ausserdem kann die Unterschicht unmittelbar die sichtbare Laufsohle des Schuhs bilden. Da die Unterschicht aus weicherem Material besteht, kann es aber auch zweckmässig sein, wenn diese auf einer separaten Laufsohle aus härterem Material aufliegt. Dadurch wird ein zu rascher Abrieb verhindert. Die Laufsohle kann die Oberschicht und die Unterschicht auch vollständig einhüllen und beispielsweise ebenfalls mit dem Oberschuh verbunden sein. Ausserdem kann anstelle einer Brandsohle die Auflagefläche der Sohle nur mit einem flexiblen textilen Flächengebilde bedeckt sein, das beispielsweise unmittelbar in das Innenfutter des Oberschuhs übergeht.The upper layer can be firmly connected to its outer circumference with its upper shoe. Depending on the design of the support surface, an additional insole is not required. In addition, the backsheet can directly form the visible outsole of the shoe. Since the lower layer is made of a softer material, but it may also be appropriate if this rests on a separate outsole made of harder material. This prevents too rapid abrasion. The outsole may also completely encase the topsheet and backsheet and, for example, also be bonded to the topsheet. In addition, instead of an insole, the support surface of the sole can only be covered with a flexible textile fabric, which, for example, passes directly into the inner lining of the upper shoe.

Die Oberschicht kann wenigstens im Bereich zwischen Fersenzone und Fussballenzone mit Öffnungen versehen sein, welche die Oberschicht ganz oder teilweise durchdringen. Diese Öffnungen verbessern die Ventilation im Bereich der Auflagefläche, und sie bewirken bei jedem Zusammenpressen bzw. Entlasten eine bestimmte Pumpwirkung.The upper layer can be provided at least in the area between heel zone and football zone with openings that penetrate the upper layer in whole or in part. These openings improve the ventilation in the area of the support surface, and they cause a certain pumping effect with each compression or release.

Schliesslich ist es auch vorteilhaft, wenn die Oberschicht über den grösseren Teil ihres Aussenumfangs oder über ihren gesamten Aussenumfang mit einem hochgezogenen Stützrand versehen ist. Dadurch wird ein Fussbett gebildet, in welchem der Fuss möglichst formschlüssig aufliegt. Ausserdem erleichtert dieser Rand die Befestigung der Laufsohle. Der Oberschuh könnte somit auch aus sehr flexiblem Material wie z.B. aus einem textilen Material bestehen, oder der Oberschuh könnte nur als Halbschlüpfer ausgebildet sein.Finally, it is also advantageous if the upper layer over the greater part of its outer circumference or over its entire outer circumference is provided with a raised support edge. As a result, a footbed is formed, in which the foot rests as form-fitting as possible. In addition, this edge facilitates the attachment of the outsole. The upper shoe could thus also consist of very flexible material such as a textile material, or the upper shoe could only be designed as a half-panties.

Weitere Einzelmerkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen und aus den Zeichnungen. Es zeigen:

Figur 1:
Eine Aussenansicht eines Schuhs mit zweiteiligem Sohlenaufbau,
Figur 2:
eine perspektivische Ansicht eines erfindungsgemässen Sohlenaufbaus ohne Oberschuh,
Figur 3:
eine Seitenansicht auf den Sohlenaufbau gemäss Figur 2 aus Pfeilrichtung A,
Figur 4:
eine Seitenansicht auf den Sohlenaufbau gemäss Figur 2 aus Pfeilrichtung B,
Figur 5:
einen Längsschnitt durch den Sohlenaufbau gemäss Figur 2 in der Ebene I-I,
Figur 6:
einen Querschnitt durch den Sohlenaufbau gemäss Figur 2 in der Ebene II-II,
Figur 7:
einen Querschnitt durch den Sohlenaufbau gemäss Figur 2 in der Ebene III-III,
Figur 8:
einen Querschnitt durch den Sohlenaufbau gemäss Figur 2 in der Ebene IV-IV,
Figur 9:
die Sohle gemäss Figur 2 in einer perspektivischen Ansicht von unten,
Figur 10:
ein Kraft-Weg-Diagramm an einer erfindungsgemässen Sohle,
Figur 11:
eine perspektivische Darstellung der Unterschicht eines weiteren Ausführungsbeispiels,
Figur 12:
eine perspektivische Darstellung einer Sohle mit der Unterschicht gemäss Figur 11,
Figur 13:
eine Ansicht auf die Längsaussenseite der Sohle gemäss Figur 12, und
Figur 14:
eine Ansicht auf die Längsinnenseite der Sohle gemäss Figur 12.
Further individual features and advantages of the invention will become apparent from the following description of exemplary embodiments and from the drawings. Show it:
FIG. 1:
An exterior view of a shoe with a two-piece sole construction,
FIG. 2:
a perspective view of an inventive sole structure without upper shoe,
FIG. 3:
a side view of the sole structure according to FIG. 2 from the direction of the arrow A,
FIG. 4:
a side view of the sole structure according to FIG. 2 from arrow direction B,
FIG. 5:
a longitudinal section through the sole structure according to FIG. 2 in level II,
FIG. 6:
a cross section through the sole structure according to FIG. 2 in level II-II,
FIG. 7:
a cross section through the sole structure according to FIG. 2 in level III-III,
FIG. 8:
a cross section through the sole structure according to FIG. 2 in the level IV-IV,
FIG. 9:
the sole according to FIG. 2 in a perspective view from below,
FIG. 10:
a force-displacement diagram on a sole according to the invention,
FIG. 11:
a perspective view of the lower layer of another embodiment,
FIG. 12:
a perspective view of a sole with the lower layer according to FIG. 11 .
FIG. 13:
a view on the longitudinal outer side of the sole according to FIG. 12 , and
FIG. 14:
a view on the longitudinal inside of the sole according to FIG. 12 ,

Der Schuh 1 gemäss Figur 1 besteht aus einem Oberschuh 2 und einer Sohle 3. Der Oberschuh kann grundsätzlich beliebig ausgebildet sein, und es kann sich sowohl um einen Schnürschuh, als auch um einen Schlüpfer handeln. Die Sohle 3 verfügt über eine Oberschicht 4 und eine Unterschicht 5, wobei diese Schichten nicht zwingend von aussen sichtbar sein müssen.The shoe 1 according to FIG. 1 consists of an upper shoe 2 and a sole 3. The upper shoe can be basically formed arbitrarily, and it can be both a lace-up, as well as a panties. The sole 3 has a top layer 4 and a bottom layer 5, these layers need not necessarily be visible from the outside.

Die in Figur 2 dargestellte Sohle 3 besteht wiederum aus einer Oberschicht 4 und einer Unterschicht 5. Der Fuss liegt auf einer insgesamt mit 6 bezeichneten Auflagefläche, und die Oberschicht 4 kann im Bereich der beiden Längsseiten und im Bereich der Ferse einen Stützrand 13 aufweisen. Die Oberschicht 4 weist im Bereich einer Fussballzone 8 einen Ausschnitt 15 auf, in welchem die Unterschicht 5 die Oberschicht 4 bis auf die Ebene der Auflagefläche 6 durchdringt. Eine Fersenzone 7 ist vollständig durch die härtere Oberschicht 4 gebildet. Der durch die weichere Unterschicht gebildete Flächenbereich der Auflagefläche 6 hat eine etwa rechteckige Konfiguration mit abgerundeten Ecken. Andere Konfigurationen wären selbstverständlich denkbar. Zwischen der Fersenzone 7 und der Fussballenzone 8 ist eine Stützwölbung 10 angeordnet, welche asymmetrisch näher bei der Fussinnenseite liegt. Im Mittelfussbereich sind in bestimmten Abständen mehrere Öffnungen 11 angeordnet, welche die gesamte Oberschicht 4 durchdringen. Diese Öffnungen fehlen im Fersenbereich. Die Stützwölbung 10 ist ersichtlicherweise unmittelbar in die Oberschicht 4 integriert, wobei hier die Oberschicht aus einem härteren Material besteht als die Unterschicht 5. In Figur 2 ist eine Sohle für einen linken Schuh dargestellt. Der Sohlenaufbau für den entsprechenden rechten Schuh wäre selbstverständlich spiegelsymmetrisch. Allerdings wäre es auch denkbar, dass aus orthopädischen Gründen der Sohlenaufbau für den linken und den rechten Schuh unterschiedlich gestaltet ist.In the FIG. 2 In turn, sole 3 consists of a top layer 4 and a backsheet 5. The foot lies on a support surface designated overall by 6, and the top layer 4 may have a support edge 13 in the region of the two longitudinal sides and in the region of the heel. In the region of a football zone 8, the upper layer 4 has a cutout 15 in which the lower layer 5 penetrates the upper layer 4 as far as the plane of the support surface 6. A heel zone 7 is completely formed by the harder top layer 4. The area of the support surface 6 formed by the softer lower layer has an approximately rectangular configuration with rounded corners. Other Configurations would of course be conceivable. Between the heel zone 7 and the football zone 8, a support curvature 10 is arranged, which lies asymmetrically closer to the inside of the foot. In the metatarsal area a plurality of openings 11 are arranged at certain intervals, which penetrate the entire upper layer 4. These openings are missing in the heel area. The supporting curvature 10 is evidently integrated directly into the upper layer 4, in which case the upper layer consists of a harder material than the lower layer 5 FIG. 2 is a sole for a left shoe shown. The sole construction for the corresponding right shoe would of course be mirror-symmetrical. However, it would also be conceivable that for orthopedic reasons, the sole construction for the left and the right shoe is designed differently.

Wie aus den Figuren 3 und 4 ersichtlich ist, kann zusätzlich zur Oberschicht und zur Unterschicht auch noch eine Laufsohle 9 angeordnet sein, die eine relativ geringe Wandstärke aufweist und die seitlich hochgezogen ist. Das Ineinandergreifen von Oberschicht 4 und Unterschicht 5 kann wie dargestellt auch zu gestalterischen Zwecken beispielsweise durch unterschiedliche Einfärbung verwendet werden.Like from the FIGS. 3 and 4 it can be seen, in addition to the upper layer and the lower layer also an outsole 9 may be arranged, which has a relatively small wall thickness and which is pulled up laterally. The interlocking of upper layer 4 and lower layer 5 can also be used for design purposes, for example by different coloring, as shown.

Im Längsschnitt gemäss Figur 5 ist deutlich erkennbar, wie die Unterschicht 5 die Oberschicht 4 durchdringt, so dass sie einen bestimmten Bereich der Auflagefläche 6 bildet. In diesem Bereich werden bei Belastung ausschliesslich die Materialeigenschaften der Unterschicht 5 wirksam, während in allen übrigen Bereichen jeweils die Materialeigenschaften beider Schichten kumulativ wirksam sind.In longitudinal section according to FIG. 5 clearly shows how the lower layer 5 penetrates the upper layer 4, so that it forms a certain area of the support surface 6. In this area, only the material properties of the underlayer 5 are effective under load, while in all other areas, the material properties of both layers are cumulative effective.

Insbesondere aus den Figuren 6 bis 8 ist ersichtlich, wie sich die Zusammensetzung der beiden Schichten 4 und 5 praktisch in jeder Schnittebene verändert. Im Bereich der Fussballenzone 8 ist die obere Schicht 4 praktisch nur noch am linken und rechten Rand vorhanden. Demgegenüber ist die Oberschicht 4 im Bereich des Mittelfusses bzw. im Bereich der Stützwölbung 10 massiv ausgebildet und verjüngt sich gegen die Fussaussenseite hin. Im Fersenbereich sind Oberschicht 4 und Unterschicht 5 über den ganzen Querschnitt etwa gleich stark ausgebildet, wie aus Figur 8 ersichtlich ist, wobei der Materialanteil der unteren Schicht grösser ist als derjenige der oberen Schicht.In particular from the FIGS. 6 to 8 It can be seen how the composition of the two layers 4 and 5 practically in changed every cutting plane. In the area of the football zone 8, the upper layer 4 is practically only present on the left and right edge. In contrast, the upper layer 4 in the region of the metatarsus or in the region of the supporting curvature 10 is solid and tapers towards the outer side of the foot. In the heel area upper layer 4 and lower layer 5 are about the same extent formed over the entire cross section, as from FIG. 8 is apparent, wherein the material content of the lower layer is greater than that of the upper layer.

Wie aus Figur 9 ersichtlich ist, kann die eigentliche Laufsohle 9 eine beliebige Profilierung 14 aufweisen.How out FIG. 9 it can be seen, the actual outsole 9 may have any profiling 14.

Im Kraft-Weg-Diagramm gemäss Figur 10 ist die Einsinktiefe in mm in Abhängigkeit der Belastungskraft in N auf der Auflagefläche dargestellt. Das Diagramm zeigt, dass die Einsinktiefe trotz des unterschiedlichen Schichtaufbaus bis zu einer Kraft von ca. 650 N etwa linear zur Belastung verläuft. Die verschiedenen Kurven zeigen verschiedene Messzyklen mit einer die Kurven mittelnde Geraden zum Vergleich.In the force-displacement diagram according to FIG. 10 the sinking depth in mm is shown as a function of the loading force in N on the supporting surface. The diagram shows that the sinking depth, despite the different layer structure up to a force of approx. 650 N, is approximately linear with the load. The different curves show different measurement cycles with a straight line averaging the curves for comparison.

Die Figuren 11 bis 14 zeigen ein alternatives Ausführungsbeispiel einer Sohle. In Figur 11 ist perspektivisch eine Unterschicht 5 dargestellt. Gut erkennbar ist eine Erhebung 19, mit welcher der Ausschnitt 15 in der Oberschicht 4 (Figur 12) durchdrungen wird. Eine Mulde 18 dient dazu, eine korrespondierende Wölbung 20 in der Oberschicht 4 aufzunehmen.The FIGS. 11 to 14 show an alternative embodiment of a sole. In FIG. 11 perspective view of an underlayer 5 is shown. Good to see is a survey 19, with which the cutout 15 in the upper layer 4 ( FIG. 12 ) is penetrated. A trough 18 serves to receive a corresponding curvature 20 in the upper layer 4.

Figur 12 zeigt die Sohle im zusammengeklebten Zustand mit ihrer Längsinnenseite 16 und der Längsaussenseite 17. FIG. 12 shows the sole in the glued state with its longitudinal inner side 16 and the longitudinal outer side 17th

Wie aus Figur 13 ersichtlich, ist die vertikale Höhe a der Oberschicht 4 auf der Längsaussenseite überall etwa konstant. Demgegenüber geht die Oberschicht 4 auf der Längsinnenseite gemäss Figur 14 in eine konvexe Wölbung 20 über und reduziert sich dann wieder auf die durchschnittliche vertikale Höhe a. Die Unterschicht 5 verbreitert sich auf der Längsaussenseite 17 kontinuierlich vom Zehenbereich bis zum Fersenbereich, wie Figur 13 zeigt. Auf der Längsinnenseite 16 ist die Konfiguration der Unterschicht 5 komplexer, wobei sie im Fersenbereich und im Fussballenbereich etwas verdickt ausgebildet ist.How out FIG. 13 As can be seen, the vertical height a of the upper layer 4 on the longitudinal outer side is approximately constant everywhere. In contrast, goes the upper layer 4 on the longitudinal inside according to FIG. 14 in a convex curvature 20 and then reduces back to the average vertical height a. The lower layer 5 widened on the longitudinal outer side 17 continuously from the toe area to the heel area, such as FIG. 13 shows. On the longitudinal inner side 16, the configuration of the lower layer 5 is more complex, being somewhat thickened in the heel area and in the footpad area.

Claims (11)

  1. Item of footwear (1) with an upper (2) and with a sole (3), which is firmly connected to the upper of the item of footwear and comprises at least one upper layer (4), directed toward the upper, and at least one lower layer (5), directed away from the upper, the upper layer and the lower layer consisting of materials with different material properties, preferably with different elasticity, hardness or density, and the side of the sole (3) that is directed toward the upper forming a bearing surface (6) for the foot, with a ball-of-the-foot zone (8) and with a heel zone (7), the upper layer (4) being formed to be harder than the lower layer (5), the lower layer (5) passing at least partially through the upper layer (4) in such a way that the bearing surface (6) is formed by regions of the lower layer (5) and of the upper layer (4), and on the bearing surface (6) the region of the upper layer (4) surrounding the region of the lower layer (5) completely, at least the ball-of-the-foot zone (8) lying in a region of the lower layer (5) and at least the heel zone (7) lying in a region of the upper layer (4).
  2. Item of footwear according to Claim 1, characterized in that the upper layer and the lower layer consist of polyethylene.
  3. Item of footwear according to Claim 1 or 2, characterized in that the upper layer has a Shore C hardness in the range from 38 to 42 and the lower layer has a Shore C hardness in the range from 28 to 34.
  4. Item of footwear according to one of Claims 1 to 3, characterized in that the upper layer has a density in the range from 0.34 to 0.37 g/cm3 and the lower layer has a density in the range from 0.28 to 0.31 g/cm3.
  5. Item of footwear according to one of Claims 1 to 4, characterized in that the upper layer and the lower layer are adhesively bonded to one another.
  6. Item of footwear according to one of Claims 1 to 5, characterized in that the area of the lower layer on the bearing surface is 25% to 45% of the overall bearing surface.
  7. Item of footwear according to one of Claims 1 to 6, the sole (3) having a longitudinal inner side (16) and a longitudinal outer side (17), each running approximately in the longitudinal direction of the footwear, characterized in that the upper layer (4) bulges convexly into the lower layer (5) between the ball-of-the-foot zone (8) and the heel zone (7) on the longitudinal inner side (16).
  8. Item of footwear according to Claim 7, characterized in that the upper layer (4) has on the longitudinal outer side (17) an approximately constant vertical height, the vertical height of the lower layer (5) increasing continuously from the ball-of-the-foot zone to the heel zone.
  9. Item of footwear according to one of Claims 1 to 8, characterized in that the upper layer (4) has over the greatest part of the outer periphery a drawn-up supporting border (13).
  10. Item of footwear according to one of Claims 1 to 9, characterized in that the sole (3) has an outsole (9) enveloping the upper layer and the lower layer.
  11. Item of footwear according to one of Claims 1 to 10, characterized in that the bearing surface (6) of the sole is only covered by a flexible textile sheet-like formation.
EP11778821.6A 2011-02-18 2011-10-21 Footwear Active EP2675314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00287/11A CH704561A8 (en) 2011-02-18 2011-02-18 Shoe.
PCT/EP2011/068392 WO2012110113A1 (en) 2011-02-18 2011-10-21 Item of footwear

Publications (2)

Publication Number Publication Date
EP2675314A1 EP2675314A1 (en) 2013-12-25
EP2675314B1 true EP2675314B1 (en) 2019-05-15

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US (1) US9848671B2 (en)
EP (1) EP2675314B1 (en)
KR (1) KR102025954B1 (en)
CN (1) CN103402386A (en)
CH (1) CH704561A8 (en)
WO (1) WO2012110113A1 (en)

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EP4154749A4 (en) * 2020-06-26 2023-07-12 ASICS Corporation Shoe sole and shoe
USD959105S1 (en) * 2020-12-17 2022-08-02 Grendene S.A. Item of footwear

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US20130318834A1 (en) 2013-12-05
CN103402386A (en) 2013-11-20
KR102025954B1 (en) 2019-09-26
CH704561A2 (en) 2012-08-31
EP2675314A1 (en) 2013-12-25
WO2012110113A1 (en) 2012-08-23
CH704561A8 (en) 2012-10-15
KR20140015369A (en) 2014-02-06
US9848671B2 (en) 2017-12-26

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