EP3207815A1 - Shoe sole - Google Patents

Shoe sole Download PDF

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Publication number
EP3207815A1
EP3207815A1 EP17154770.6A EP17154770A EP3207815A1 EP 3207815 A1 EP3207815 A1 EP 3207815A1 EP 17154770 A EP17154770 A EP 17154770A EP 3207815 A1 EP3207815 A1 EP 3207815A1
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EP
European Patent Office
Prior art keywords
sole
shoe
sole body
reinforcing layer
elastomeric material
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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
EP17154770.6A
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German (de)
French (fr)
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EP3207815B1 (en
Inventor
Martin Leodolter
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.)
Hartjes GmbH
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Hartjes GmbH
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Filing date
Publication date
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Publication of EP3207815A1 publication Critical patent/EP3207815A1/en
Application granted granted Critical
Publication of EP3207815B1 publication Critical patent/EP3207815B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0009—Footwear characterised by the material made at least partially of alveolar or honeycomb material
    • 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
    • A43B13/16—Pieced soles
    • 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
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts

Definitions

  • the invention relates to a shoe sole with a sole body and with a course of the sole body with distance from the sole edge following reinforcing layer of plastic, which bifurcates against the forefoot area in two lateral branches.
  • shoe soles are known (EP 1 100 349 B1 ), in which a reinforcing layer of plastic is provided, which in the heel has a closed ring portion and two lateral outgoing from the ring portion, substantially the edge contour of the sole against the forefoot area following branches, so that the surrounding heel ring portion of the foot in the heel area during ground contact laterally stabilized and the lateral branches give a longitudinal guide for the rolling foot.
  • sole reinforcements in particular the foot loads occurring during running can be taken into account.
  • the invention is therefore an object of the invention to provide a shoe sole for a diabetic shoe, which avoids local pressure points and limits the average peak load of the foot per step, without having to give up a good footrest.
  • the invention achieves the stated object in that the reinforcing layer having an open honeycomb structure is embedded in the sole body of an elastomeric material and that the elastomeric material of the sole body passes through the reinforcing layer through the open honeycomb structure.
  • the elastomeric material of the sole body is initially a prerequisite for a largely flat concerns of the shoe sole on the sole of the foot, which brings a more even pressure distribution and thus the avoidance of local pressure points with it.
  • the reinforcing layer embedded in the sole body hardly affects this effect of the sole body, because the elastomeric material of the sole body extends through the open cells of the honeycomb structure of the reinforcing layer and thus can be effective in the printing direction substantially over the entire sole surface, without the support effect of the reinforcing layer to be without.
  • the penetrated by the material of the sole body honeycomb structure of the reinforcing insert requires a composite body, which brings about the sum of the individual effects of the sole body and the reinforcing insert overall effect, which allows a good adaptation of the shoe sole to be considered in connection with diabetic foot syndrome requirements, and although without the need for an individual sole production.
  • the special shape of the reinforcing insert supports the foot in less pressure-sensitive sole areas and avoids supporting effects in pressure-sensitive ones So that not only the mean pressure load over time but also the average peak load on the soles of the feet is limited.
  • the cross-sectional shape of the cells of the honeycomb structure need not be hexagonal, but may also have a different polygonal shape or be circular or oval.
  • a shoe is recommended in which the shoe sole with a raised edge comprising a shoe upper according to the invention is adhesively bonded to an insole connected to the shoe upper by a stitching seam.
  • the combination of the insole with the shoe upper through a stitching seam allows the production of highly adaptable shoes with high wearing comfort.
  • the shoe sole according to the invention has a sole body 1 made of an elastomer, in which a reinforcing layer 2 is embedded.
  • This reinforcing layer 2 of plastic forks into two lateral branches 3, which extend towards the forefoot area and substantially follow the sole edge with distance, as the Fig. 2 can be removed.
  • This reinforcing layer 2 is provided with a continuous, open honeycomb structure 4, so that the elastomeric material of the sole body 1 passes through the open honeycomb cells.
  • the sole body 1 thus forms with the reinforcing layer 2 a composite body, on the one hand ensures a flat contact with the sole of a shoe wearer and on the other hand exerts a corresponding support effect on the foot.
  • the foot load occurring during the sequence of steps can be evened out while avoiding high local loads, so that bruises that can lead to foot syndromes are largely avoided, especially since the average peak load in Gehgedingten rolling the shoe sole remain limited.

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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)

Abstract

Es wird eine Schuhsohle mit einem Sohlenkörper (1) und mit einer dem Verlauf des Sohlenkörpers (1) mit Abstand vom Sohlenrand folgenden Verstärkungslage (2) aus Kunststoff beschrieben, die sich gegen den Vorfußbereich in zwei seitliche Äste (3) gabelt. Um vorteilhafte Belastungsbedingungen zu schaffen, wird vorgeschlagen, dass die eine offene Wabenstruktur (4) aufweisende Verstärkungslage (2) in den Sohlenkörper (1) aus einem elastomeren Werkstoff eingebettet ist und dass der elastomere Werkstoff des Sohlenkörpers (1) die Verstärkungslage (2) durch die offene Wabenstruktur (4) hindurch durchsetzt.The description relates to a shoe sole with a sole body (1) and a reinforcing layer (2) of plastic following the course of the sole body (1) at a distance from the sole edge, which bifurcates into two lateral branches (3) against the forefoot area. In order to provide advantageous loading conditions, it is proposed that the reinforcement layer (2) having an open honeycomb structure (4) is embedded in the sole body (1) of an elastomeric material and that the elastomeric material of the sole body (1) passes through the reinforcement layer (2) the open honeycomb structure (4) passes through.

Description

Die Erfindung bezieht sich auf eine Schuhsohle mit einem Sohlenkörper und mit einer dem Verlauf des Sohlenkörpers mit Abstand vom Sohlenrand folgenden Verstärkungslage aus Kunststoff, die sich gegen den Vorfußbereich in zwei seitliche Äste gabelt.The invention relates to a shoe sole with a sole body and with a course of the sole body with distance from the sole edge following reinforcing layer of plastic, which bifurcates against the forefoot area in two lateral branches.

Um die seitliche Bewegung des Fußes zu stabilisieren und ihn in seiner Längsbewegung zu führen, sind Schuhsohlen bekannt ( EP 1 100 349 B1 ), bei denen eine Verstärkungslage aus Kunststoff vorgesehen wird, die im Fersenbereich einen geschlossenen Ringabschnitt und zwei seitliche vom Ringabschnitt ausgehende, im Wesentlichen dem Randverlauf der Sohle gegen den Vorfußbereich folgende Äste aufweist, sodass der die Ferse umgebende Ringabschnitt den Fuß im Fersenbereich während des Bodenkontakts seitlich stabilisiert und die seitlichen Äste eine Längsführung für den abrollenden Fuß ergeben. Mit solchen Sohlenverstärkungen können insbesondere die beim Laufen auftretenden Fußbelastungen berücksichtigt werden.To stabilize the lateral movement of the foot and to guide it in its longitudinal movement, shoe soles are known ( EP 1 100 349 B1 ), in which a reinforcing layer of plastic is provided, which in the heel has a closed ring portion and two lateral outgoing from the ring portion, substantially the edge contour of the sole against the forefoot area following branches, so that the surrounding heel ring portion of the foot in the heel area during ground contact laterally stabilized and the lateral branches give a longitudinal guide for the rolling foot. With such sole reinforcements, in particular the foot loads occurring during running can be taken into account.

Zur Dämpfung von Stoßbelastungen und zur Energiespeicherung ist es bei Sportschuhen außerdem bekannt ( US 5 084 987 A ), die Schuhsohle im Fersen und im Mittelfußbereich mit einer geschlossenen Wabenstruktur zu versehen. Die geschlossenen Wabenzellen bilden ein Luftkissen, das die Dämpfungs- und Energiespeicheraufgaben übernimmt.For the absorption of shock loads and energy storage, it is also known in sports shoes ( US 5 084 987 A ) to provide the shoe sole in the heel and metatarsal area with a closed honeycomb structure. The closed honeycomb cells form an air cushion, which takes over the damping and energy storage tasks.

Weitere Ausführungsformen sind aus der US 2012180343 A1 , der US 2013142984 A1 und der DE 8901235 U1 bekannt.Other embodiments are known from US 2012180343 A1 , of the US 2013142984 A1 and the DE 8901235 U1 known.

Die bei solchen Sportschuhen bekannten Maßnahmen können jedoch im Allgemeinen nicht den Anforderungen entsprechen, die sich im Zusammenhang mit Schuhen für Diabetiker ergeben. Diabetische Neuropathie kann zu Fußsyndromen führen, die wegen der verminderten Schmerzempfindlichkeit solcher Patienten häufig zu spät wahrgenommen werden. Schuhe für Diabetiker sollen daher örtliche Überlastungen des Fußes vermeiden und die durchschnittliche Spitzenbelastung während eines Schritts beschränken, um dadurch möglichen Ursachen für Fußsyndrome vorzubeugen.However, the measures known in such sports shoes generally can not meet the requirements associated with shoes for diabetics. Diabetic neuropathy can lead to foot syndrome, which is often perceived too late because of the decreased sensitivity of such patients to pain. Shoes for diabetics should therefore avoid local overloading of the foot and limit the average peak load during a step, thereby preventing potential causes of foot syndrome.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Schuhsole für einen Diabetikerschuh zu schaffen, die örtliche Druckstellen vermeidet und die durchschnittliche Spitzenbelastung des Fußes je Schritt beschränkt, ohne auf eine gute Fußstütze verzichten zu müssen.The invention is therefore an object of the invention to provide a shoe sole for a diabetic shoe, which avoids local pressure points and limits the average peak load of the foot per step, without having to give up a good footrest.

Ausgehend von einer Schuhsohle der eingangs geschilderten Art löst die Erfindung die gestellte Aufgabe dadurch, dass die eine offene Wabenstruktur aufweisende Verstärkungslage in den Sohlenkörper aus einem elastomeren Werkstoff eingebettet ist und dass der elastomere Werkstoff des Sohlenkörpers die Verstärkungslage durch die offene Wabenstruktur hindurch durchsetzt.Starting from a shoe sole of the type described above, the invention achieves the stated object in that the reinforcing layer having an open honeycomb structure is embedded in the sole body of an elastomeric material and that the elastomeric material of the sole body passes through the reinforcing layer through the open honeycomb structure.

Der elastomere Werkstoff des Sohlenkörpers stellt zunächst eine Voraussetzung für ein weitgehend flächiges Anliegen der Schuhsohle an der Fußsohle dar, was eine gleichmäßigere Druckverteilung und damit die Vermeidung von örtlichen Druckstellen mit sich bringt. Die in den Sohlenkörper eingebettete Verstärkungslage beeinträchtigt diese Wirkung des Sohlenkörpers kaum, weil sich der elastomere Werkstoff des Sohlenkörpers durch die offenen Zellen der Wabenstruktur der Verstärkungslage erstreckt und somit in Druckrichtung im Wesentlichen über die gesamte Sohlenfläche seine Wirkung entfalten kann, ohne auf die Stützwirkung der Verstärkungslage verzichten zu müssen. Die vom Werkstoff des Sohlenkörpers durchdrungene Wabenstruktur der Verstärkungseinlage bedingt einen Verbundkörper, der eine über die Summe der Einzelwirkungen des Sohlenkörpers und der Verstärkungseinlage hinausgehende Gesamtwirkung mit sich bringt, die eine gute Anpassung der Schuhsohle an die in Verbindung mit diabetischen Fußsyndromen zu berücksichtigenden Anforderungen ermöglicht, und zwar ohne Notwendigkeit einer individuellen Sohlenfertigung. Die besondere Form der Verstärkungseinlage unterstützt den Fuß in weniger druckempfindlichen Sohlenbereichen und vermeidet Stützwirkungen in druckempfindlicheren Bereichen, sodass nicht nur die mittlere Druckbelastung über die Zeit sondern auch die durchschnittliche Spitzenbelastung der Fußsohlen beschränkt wird. Die Querschnittsform der Zellen der Wabenstruktur braucht dabei nicht sechseckig zu sein, sondern kann auch eine andere polygone Form aufweisen oder kreisförmig oder oval ausfallen.The elastomeric material of the sole body is initially a prerequisite for a largely flat concerns of the shoe sole on the sole of the foot, which brings a more even pressure distribution and thus the avoidance of local pressure points with it. The reinforcing layer embedded in the sole body hardly affects this effect of the sole body, because the elastomeric material of the sole body extends through the open cells of the honeycomb structure of the reinforcing layer and thus can be effective in the printing direction substantially over the entire sole surface, without the support effect of the reinforcing layer to be without. The penetrated by the material of the sole body honeycomb structure of the reinforcing insert requires a composite body, which brings about the sum of the individual effects of the sole body and the reinforcing insert overall effect, which allows a good adaptation of the shoe sole to be considered in connection with diabetic foot syndrome requirements, and although without the need for an individual sole production. The special shape of the reinforcing insert supports the foot in less pressure-sensitive sole areas and avoids supporting effects in pressure-sensitive ones So that not only the mean pressure load over time but also the average peak load on the soles of the feet is limited. The cross-sectional shape of the cells of the honeycomb structure need not be hexagonal, but may also have a different polygonal shape or be circular or oval.

Damit die besondere Wirkung der Schuhsohle in einem Schuh für Diabetiker voll genützt werden kann, darf die Machart des Schuhs diese Wirkung nicht beeinträchtigen. Aus diesem Grunde empfiehlt sich ein Schuh, bei dem die mit einem hochgezogenen Rand einen Schuhschaft umfassende, erfindungsgemäße Schuhsohle mit einer durch eine Strobelnaht mit dem Schuhschaft verbundene Brandsohle verklebt ist. Die Verbindung der Brandsohle mit dem Schuhschaft durch eine Strobelnaht erlaubt die Herstellung besonders anpassungsfähiger Schuhe mit hohem Tragekomfort.In order for the special effect of the shoe sole in a shoe for diabetics can be fully utilized, the style of the shoe must not affect this effect. For this reason, a shoe is recommended in which the shoe sole with a raised edge comprising a shoe upper according to the invention is adhesively bonded to an insole connected to the shoe upper by a stitching seam. The combination of the insole with the shoe upper through a stitching seam allows the production of highly adaptable shoes with high wearing comfort.

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zeigen

Fig. 1
einen Schuh mit einer erfindungsgemäßen Schuhsohle in einem schematischen Längsschnitt und
Fig. 2
eine Draufsicht auf eine Verstärkungseinlage einer erfindungsgemäßen Schuhsohle.
In the drawing, the subject invention is shown, for example. Show it
Fig. 1
a shoe with a shoe sole according to the invention in a schematic longitudinal section and
Fig. 2
a plan view of a reinforcing insert of a shoe sole according to the invention.

Die erfindungsgemäße Schuhsohle weist einen Sohlenkörper 1 aus einem Elastomer auf, in den eine Verstärkungslage 2 eingebettet ist. Diese Verstärkungslage 2 aus Kunststoff gabelt sich in zwei seitliche Äste 3, die sich gegen den Vorfußbereich hin erstrecken und im Wesentlichen dem Sohlenrand mit Abstand folgen, wie dies der Fig. 2 entnommen werden kann. Diese Verstärkungslage 2 ist mit einer durchgehenden, offenen Wabenstruktur 4 versehen, sodass der elastomere Werkstoff des Sohlenkörpers 1 die offenen Wabenzellen durchsetzt. Der Sohlenkörper 1 bildet somit mit der Verstärkungslage 2 einen Verbundkörper, der einerseits eine flächige Anlage an der Fußsohle eines Schuhbenützers sicherstellt und anderseits eine entsprechende Stützwirkung auf den Fuß ausübt. Aufgrund der Formung und Strukturierung der Verstärkungslage 2 kann die während der Schrittfolge auftretende Fußbelastung unter Vermeidung von hohen örtlichen Belastungen vergleichmäßigt werden, sodass Druckstellen, die zu Fußsyndromen führen können, weitgehend vermieden werden, zumal auch die durchschnittliche Spitzenbelastung beim gehbedingten Abrollen der Schuhsohle beschränkt bleiben. Diese Eigenschaften des Verbundkörpers aus Sohlenkörper 1 und Verstärkungslage 2 machen die Schuhsohle besonders für Diabetiker geeignet, deren Schmerzempfindlichkeit aufgrund einer diabetischen Neuropathie erheblich herabgesetzt sein kann.The shoe sole according to the invention has a sole body 1 made of an elastomer, in which a reinforcing layer 2 is embedded. This reinforcing layer 2 of plastic forks into two lateral branches 3, which extend towards the forefoot area and substantially follow the sole edge with distance, as the Fig. 2 can be removed. This reinforcing layer 2 is provided with a continuous, open honeycomb structure 4, so that the elastomeric material of the sole body 1 passes through the open honeycomb cells. The sole body 1 thus forms with the reinforcing layer 2 a composite body, on the one hand ensures a flat contact with the sole of a shoe wearer and on the other hand exerts a corresponding support effect on the foot. Due to the shaping and Structuring of the reinforcing layer 2, the foot load occurring during the sequence of steps can be evened out while avoiding high local loads, so that bruises that can lead to foot syndromes are largely avoided, especially since the average peak load in Gehgedingten rolling the shoe sole remain limited. These properties of the composite sole body 1 and reinforcing layer 2 make the shoe sole particularly suitable for diabetics whose sensitivity to pain due to diabetic neuropathy can be considerably reduced.

Damit durch die Schuhkonstruktion die besonderen Eigenschaften der erfindungsgemäßen Schuhsohle nicht beeinträchtigt werden, empfiehlt sich ein Schuh, wie er in der Fig. 1 dargestellt ist. Dieser Schuh zeichnet sich durch die Verbindung des Schuhschafts 5 mit der Brandsohle 6 durch eine Strobelnaht 7 aus, wobei die Schuhsohle 1 mit einem hochgezogenen Rand 8 den Schuhschaft 5 außen umfasst und mit der Brandsohle 6 sowie dem Schuhschaft 5 verklebt ist. Auf der Brandsohle 6 kann in üblicher Weise gegebenenfalls unter Zwischenlage eines Weichschaumteils 9 eine Fußbetteinlage 10 vorgesehen sein.In order that the special properties of the shoe sole according to the invention are not impaired by the shoe construction, it is recommended to use a shoe as described in US Pat Fig. 1 is shown. This shoe is characterized by the connection of the shoe upper 5 with the insole 6 through a stitching seam 7, wherein the shoe sole 1 with a raised edge 8 the shoe upper 5 outside comprises and is glued to the insole 6 and the shoe upper 5. On the insole 6, a Fußbetteinlage 10 may optionally be provided in the usual way, optionally with the interposition of a soft foam part 9.

Claims (2)

Schuhsohle mit einem Sohlenkörper (1) und mit einer dem Verlauf des Sohlenkörpers (1) mit Abstand vom Sohlenrand folgenden Verstärkungslage (2) aus Kunststoff, die sich gegen den Vorfußbereich in zwei seitliche Äste (3) gabelt, dadurch gekennzeichnet, dass die eine offene Wabenstruktur (4) aufweisende Verstärkungslage (2) in den Sohlenkörper (1) aus einem elastomeren Werkstoff eingebettet ist und dass der elastomere Werkstoff des Sohlenkörpers (1) die Verstärkungslage (2) durch die offene Wabenstruktur (4) hindurch durchsetzt.Shoe sole with a sole body (1) and with a course of the sole body (1) at a distance from the sole edge following reinforcement layer (2) made of plastic, which forks against the forefoot in two lateral branches (3), characterized in that the one open Honeycomb (4) having reinforcing layer (2) in the sole body (1) is embedded from an elastomeric material and that the elastomeric material of the sole body (1) passes through the reinforcing layer (2) through the open honeycomb structure (4). Schuh für Diabetiker mit einer Schuhsohle nach Anspruch 1, dadurch gekennzeichnet, dass die mit einem hochgezogenen Rand (8) einen Schuhschaft (5) umfassende Schuhsohle mit einer durch eine Strobelnaht (7) mit dem Schuhschaft (5) verbundenen Brandsohle (6) verklebt ist.Shoe for diabetics with a shoe sole according to claim 1, characterized in that with a raised edge (8) a shoe upper (5) comprehensive shoe sole with a by a Strobelnaht (7) to the shoe upper (5) connected insole (6) is glued ,
EP17154770.6A 2016-02-22 2017-02-06 Shoe sole Active EP3207815B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50121/2016A AT517607B1 (en) 2016-02-22 2016-02-22 sole

Publications (2)

Publication Number Publication Date
EP3207815A1 true EP3207815A1 (en) 2017-08-23
EP3207815B1 EP3207815B1 (en) 2020-01-01

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Application Number Title Priority Date Filing Date
EP17154770.6A Active EP3207815B1 (en) 2016-02-22 2017-02-06 Shoe sole

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AT (1) AT517607B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113040463B (en) * 2019-12-27 2023-01-17 株式会社爱世克私 Sole and shoe

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2229832A1 (en) * 2009-03-18 2010-09-22 MESP Co. Ltd. Sole of a shoe for triple time walks and walking reform
US20120180343A1 (en) * 2011-01-19 2012-07-19 Nike, Inc. Composite Sole Structure
US20150040436A1 (en) * 2013-08-09 2015-02-12 Wolverine World Wide, Inc. Article of footwear
WO2015145329A1 (en) * 2014-03-24 2015-10-01 Podarte Srl Insert for postural control of the foot

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8901235U1 (en) * 1989-02-03 1990-06-07 Puma Ag Rudolf Dassler Sport, 91074 Herzogenaurach Shoe sole for sports shoes
US20130142984A1 (en) * 2009-09-11 2013-06-06 Chun-Fu Kuo Soft cushion structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2229832A1 (en) * 2009-03-18 2010-09-22 MESP Co. Ltd. Sole of a shoe for triple time walks and walking reform
US20120180343A1 (en) * 2011-01-19 2012-07-19 Nike, Inc. Composite Sole Structure
US20150040436A1 (en) * 2013-08-09 2015-02-12 Wolverine World Wide, Inc. Article of footwear
WO2015145329A1 (en) * 2014-03-24 2015-10-01 Podarte Srl Insert for postural control of the foot

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EP3207815B1 (en) 2020-01-01
AT517607B1 (en) 2017-03-15
AT517607A4 (en) 2017-03-15

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