EP0159470A1 - Outsole for an indoor tennis shoe - Google Patents

Outsole for an indoor tennis shoe Download PDF

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Publication number
EP0159470A1
EP0159470A1 EP85100990A EP85100990A EP0159470A1 EP 0159470 A1 EP0159470 A1 EP 0159470A1 EP 85100990 A EP85100990 A EP 85100990A EP 85100990 A EP85100990 A EP 85100990A EP 0159470 A1 EP0159470 A1 EP 0159470A1
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EP
European Patent Office
Prior art keywords
sole
insert
outsole
tennis shoe
running side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP85100990A
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German (de)
French (fr)
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EP0159470B1 (en
Inventor
Robert Vogler
Horst Widmann
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Adidas AG
Original Assignee
Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG
Adidas AG
Priority date (The priority date 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 date listed.)
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Application filed by Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG, Adidas AG filed Critical Adidas Sportschuhfabriken Adi Dassier Stiftung and Co KG
Priority to AT85100990T priority Critical patent/ATE29827T1/en
Publication of EP0159470A1 publication Critical patent/EP0159470A1/en
Application granted granted Critical
Publication of EP0159470B1 publication Critical patent/EP0159470B1/en
Expired legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/10—Tennis shoes

Definitions

  • the invention relates to an outsole made of resilient plastic for a tennis shoe, in particular indoor tennis shoe, in the smooth, non-profiled running side of which at least one insert, which forms a sliding zone and is made of a material different from the sole material, is arranged.
  • the sole construction must ensure that the tennis player with sufficient standing and Slip resistance can also slip to a certain extent in a controlled manner. As a result, the load peaks that occur when there is no slippage are reduced on the tennis player's musculoskeletal system.
  • a circular insert made of chrome leather is provided for an indoor tennis shoe of the type mentioned in the front sole area of the smooth unprofiled outsole ("Eurosport" 1976 p. 1911).
  • the chrome leather insert develops a controlled slidability to the desired extent, but this extent differs considerably on the above-mentioned floors, so that with a satisfactory slip on one Soil type too slippery on another type of soil.
  • an indoor tennis shoe in which, in order to achieve a controlled slip ability, plastic fibers made of polyamide, which are aligned essentially parallel to the tread, are embedded in the synthetic outsole. In the inner bale area, which is to form a rotating spot, there is an accumulation of such fibers (DE-OS 30 24 587).
  • a disadvantage of this known solution is that it is difficult to arrange plastic fibers evenly and in the outsole in the same way for each pair of shoes produced in such a way that a certain amount of slippage can be reproducibly generated.
  • the invention has for its object to provide an outsole of the type described above, the gliding ability of which is approximately the same on the artificial floors mentioned, the insert forming the sliding zone being easier to integrate into the outsole.
  • the insert consists of a plastic which is harder than the sole material.
  • the smooth, non-profiled outsole which in itself has less grip than a profiled outsole, provides the necessary slip resistance due to the particular flexibility of the sole material, which has a Shore hardness of around 65, for example.
  • the plastic insert forming the sliding zone consists of a harder plastic material, e.g. Made of a polyurethane or polyamide plate, with a hardness of 75 Shore, for example. It has been shown that this harder plastic material has an approximately constant coefficient of friction with the above-mentioned synthetic floors, so that an approximately constant slipping effect can also be expected accordingly.
  • the plate-shaped plastic insert can be easily connected to the outsole material and used so that it lies in one plane and flush with the running side of the sole.
  • the insert has an edge region which is flush with the running side of the sole and one opposite the running side of the sole taken back inside.
  • This inner area is set back or raised by about 0.5 to 1 mm compared to the edge area, so that it rests on the floor under load with less pressure than the rest of the running side.
  • This interior area therefore forms the intended sliding zone to a particular extent, which is particularly effective when the rest of the running side of the sole is subjected to greater loads due to support on the sliding leg.
  • the indoor tennis shoe shown in FIG. 1 has a shell sole 1 made of foamed polyurethane, the shell edge 2 of which extends in a known manner about 2 to 3 cm above the shaft side and with the shaft in is connected in any way, for example by direct molding or also by gluing.
  • the sole material of the outsole 1 has a Shore hardness of 65.
  • the running side 3 of the outsole 1 is smooth and unprofiled from front to back.
  • An insert 4 or 5 made of polyamide is inserted in the front and rear sole so that the running side of the inserts 4, 5 is flush, i.e. lies in one plane with the running side 3 of the outsole 1.
  • the outline of the inserts 4, 5 is chosen so that the outline approximates the shape of the sole edge of the outsole 1, for which reference is made to the drawing.
  • Both inserts 4, 5 have a closed edge area 4a or 5a, which is flush with the running side 3 and has a slight corrugation or grain which gives the edge area a certain roughness.
  • the edge region 4a or 5a encloses an inner region 4b or 5b which - as can be seen in FIG. 2 - is set back by approximately 0.5 mm and has a smooth surface.
  • a light bulge 6 can be formed at the transition from the corrugated or grained edge area 4a to the smooth inner area 4b.
  • the material of the inserts 4 and 5 forming the sliding zones has a Shore hardness of approximately 75 and is therefore harder than that of the outsole 1.
  • the inner arch 4b or 5b of the inserts 4 and 5 can be withdrawn by up to 3.5 mm with respect to the edge region 4a or 5a.
  • a higher Shore hardness of the inserts 4, 5 up to 90 Shore can also be selected.

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

Abstract

1. An outsole of flexible plastics material for a tennis shoe, in particular an indoor tennis shoe, in which the smooth unprofiled ground-engaging side has at least one insert forming a slip zone, comprising a harder plastics material which differs from the material of the sole, characterized in that the insert (4, 5) has an edge region (4a, 5a) which is flush with the ground-engaging side (3) of the sole, and an inner region (4b, 5b) which is set back with respect to the ground-engaging side (3) of the sole.

Description

Die Erfindung betrifft eine Laufsohle aus nachgiebigem Kunststoff für einen Tennisschuh, insbesondere Hallentennisschuh, in deren glatter unprofilierter Laufseite mindestens ein eine Gleitzone bildender Einsatz aus einem sich vom Sohlanmaterial unterscheidenden Material angeordnet ist. Es ist bekannt, daß bei der Ausübung des Tennissports auf Kunststoff-, Tartan-, Rauhbeton-und Teppichböden, wie sie in der Hauptsache in Tennishallen zu finden sind, von der Sohlenkonstruktion her dafür gesorgt sein muß, daß der Tennisspieler bei hinreichender Stand- und Rutschsicherheit auch in einem gewissen Ausmaß gesteuert rutschen kann. Hierdurch werden die bei völlig fehlendem Rutschvermögen auftretenden Belastungsspitzen auf den Bewegungsapparat des Tennisspielers abgebaut. Zu diesem Zweck ist bei einem Hallentennisachuh der eingangs genannten Art im Vordersohlenbereich der glatten unprofilierten Laufsohle ein kreisrunder Einsatz aus Chromleder vorgesehen ("Eurosport" 1976 S. 1911). Der Chromledereinsatz entwickelt zwar eine gesteuerte Gleitfähigkeit in dem gewünschten Ausmaß, jedoch unterscheidet sich dieses Ausmaß auf den vorstehend genannten Böden beträchtlich, so daß bei zufriedenstellendem Rutschvermögen auf einer Bodenart ein zu starkes Rutschvermögen auf einer anderen Bodenart vorliegen kann. Das erfordert von dem Tennisspieler, der auf unterschiedlichen Bodenarten zu spielen pflegt, jeweils eine Anpassung an die herrschenden Bodengegebenheiten, die lästig ist und zumindest in der Anfangsphase zu schlechteren Spielleistungen führt.The invention relates to an outsole made of resilient plastic for a tennis shoe, in particular indoor tennis shoe, in the smooth, non-profiled running side of which at least one insert, which forms a sliding zone and is made of a material different from the sole material, is arranged. It is known that when practicing tennis on plastic, tartan, rough concrete and carpets, as can be found mainly in tennis halls, the sole construction must ensure that the tennis player with sufficient standing and Slip resistance can also slip to a certain extent in a controlled manner. As a result, the load peaks that occur when there is no slippage are reduced on the tennis player's musculoskeletal system. For this purpose, a circular insert made of chrome leather is provided for an indoor tennis shoe of the type mentioned in the front sole area of the smooth unprofiled outsole ("Eurosport" 1976 p. 1911). The chrome leather insert develops a controlled slidability to the desired extent, but this extent differs considerably on the above-mentioned floors, so that with a satisfactory slip on one Soil type too slippery on another type of soil. This requires the tennis player who uses to play on different types of ground to adapt to the prevailing ground conditions, which is annoying and leads to poorer performance at least in the initial phase.

Es ist weiterhin auch schon eine Laufsohlenprofilierung für einen Sportschuh bekannt, bei der im Innenballenbereich ein Ringprofil vorgesehen und konzentrisch zum Mittelpunkt des Ringprofils ein Einsatzstück aus einem Sohlengummi von vorbestimmter Härte eingebettet ist (DE-OS 30 35 706). Hierdurch soll insbesondere beim Einsatz auf Holzböden eine Anpassung des notwendigen Gleitvermögens in Verbindung mit der erforderlichen Rutschsicherheit erzielt werden. Gummimaterial als Gleiteinsatz ist jedoch auf anderen als Holzböden, insbesondere auf Böden der vorstehend genannten Art verhältnismässig rutschfest, so daß durch diesen Vorschlag kein ausreichendes Gleitvermögen und damit eine entsprechende Schonung des Bewegungsapparates des Tennisspielers zu erwarten ist.It is also already known an outsole profile for a sports shoe, in which a ring profile is provided in the inner ball area and an insert made of a sole rubber of predetermined hardness is embedded concentrically to the center of the ring profile (DE-OS 30 35 706). This is intended to achieve an adjustment of the necessary sliding properties in connection with the required slip resistance, especially when used on wooden floors. However, rubber material as a sliding insert is relatively non-slip on other than wooden floors, in particular on floors of the type mentioned above, so that this proposal does not expect sufficient sliding ability and therefore a corresponding protection of the musculoskeletal system of the tennis player.

Schließlich ist auch bereits ein Hallentennisschuh bekannt, bei dem zur Erzielung einer kontrollierten Rutschfähigkeit in die aus Kunststoff bestehende Laufsohle im wesentlichen parallel zur Lauffläche ausgerichtete Kunststoffasern aus Polyamid eingebettet sind. Im Innenballenbereich, der einen Drehfleck bilden soll, ist eine Anhäufung solcher Fasern vorhanden (DE-OS 30 24 587). Nachteilig an dieser bekannten Lösung ist, daß es schwierig ist, Kunststofffasern gleichmässig und bei jedem produzierten Paar Schuhe in gleicher Weise so in der Laufsohle anzuordnen, daß reproduzierbar ein bestimmtes Ausmaß von Rutschfähigkeit erzeugt werden kann.Finally, an indoor tennis shoe is also known in which, in order to achieve a controlled slip ability, plastic fibers made of polyamide, which are aligned essentially parallel to the tread, are embedded in the synthetic outsole. In the inner bale area, which is to form a rotating spot, there is an accumulation of such fibers (DE-OS 30 24 587). A disadvantage of this known solution is that it is difficult to arrange plastic fibers evenly and in the outsole in the same way for each pair of shoes produced in such a way that a certain amount of slippage can be reproducibly generated.

Der Erfindung liegt die Aufgabe zugrunde, eine Laufsohle der eingangs beschriebenen Art zu schaffen, deren Gleitvermögen auf den genannten Kunstböden etwa gleich ist, wobei der die Gleitzone bildende Einsatz leichter in die Laufsohle integrierbar ist.The invention has for its object to provide an outsole of the type described above, the gliding ability of which is approximately the same on the artificial floors mentioned, the insert forming the sliding zone being easier to integrate into the outsole.

Erfindungsgemäß wird dies dadurch erreicht, daß der Einsatz aus einem gegenüber dem Sohlenmaterial härteren Kunststoff besteht.This is achieved according to the invention in that the insert consists of a plastic which is harder than the sole material.

Die glatte unprofilierte Laufsohle, die an sich schon weniger Bodenhaftung hat als eine profilierte Laufsohle, ergibt die notwendige Rutschsicherheit durch die bestimmte Nachgiebigkeit des Sohlenmaterials, das beispielsweise eine Shore-Härte von etwa 65 hat. Der die Gleitzone bildende Kunststoffeinsatz hingegen besteht aus einem härteren Kunststoffmaterial, z.B. aus einer Polyurethan- oder Polyamidplatte, mit einer Härte von beispielsweise 75 Shore. Es hat sich gezeigt, daß dieses härtere Kunststoffmaterial einen etwa gleichbleibenden Reibungskoeffizienten mit den obengenannten Kunstböden aufweist, so daß auch dementsprechend ein etwa gleichbleibender Rutscheffekt zu erwarten ist. Dabei lässt sich der plattenförmige Kunststoffeinsatz leicht mit dem Laufsohlenmaterial so verbinden und damit einsetzen, daß er in einer Ebene und bündig mit der Laufseite der Sohle liegt.The smooth, non-profiled outsole, which in itself has less grip than a profiled outsole, provides the necessary slip resistance due to the particular flexibility of the sole material, which has a Shore hardness of around 65, for example. The plastic insert forming the sliding zone, on the other hand, consists of a harder plastic material, e.g. Made of a polyurethane or polyamide plate, with a hardness of 75 Shore, for example. It has been shown that this harder plastic material has an approximately constant coefficient of friction with the above-mentioned synthetic floors, so that an approximately constant slipping effect can also be expected accordingly. The plate-shaped plastic insert can be easily connected to the outsole material and used so that it lies in one plane and flush with the running side of the sole.

Nach einer vorteilhaften Weiterbildung der Erfindung weist der Einsatz einen mit der Laufseite der Sohle bündig liegenden Randbereich und ein gegenüber der Laufseite der Sohle zurückgenommenen Innenbereich auf. Dieser Innenbereich ist gegenüber dem Randbereich etwa um 0,5 bis 1 mm zurückgenommen oder höhergesetzt, so daß er bei Belastung mit geringerem Druck auf dem Boden aufliegt als der übrige Teil der Laufseite. Dieser Innenbereich bildet daher in besonderem Maße die beabsichtigte Gleitzone, die vor allem dann zur Wirkung kommt, wenn durch Abstützung auf dem Gleitbein der übrige Teil der Laufseite der Sohle stärker belastet ist.According to an advantageous development of the invention, the insert has an edge region which is flush with the running side of the sole and one opposite the running side of the sole taken back inside. This inner area is set back or raised by about 0.5 to 1 mm compared to the edge area, so that it rests on the floor under load with less pressure than the rest of the running side. This interior area therefore forms the intended sliding zone to a particular extent, which is particularly effective when the rest of the running side of the sole is subjected to greater loads due to support on the sliding leg.

Es hat sich als vorteilhaft erwiesen, den Randbereich des Einsatzes leicht zu riffeln oder zu körnen. Außerdem ist es zweckmässig, einen Einsatz sowohl auf der Vordersohle als auch auf der Hintersohle anzubringen und diese Einsätze in an sich bekannter Weise in ihrer Umrißform dem Sohlenumriß anzupassen, so daß der zwischen dem Sohlenrand und dem Rand des Einsatzes verbleibende Teil der Laufseite etwa gleich breit ist.It has proven to be advantageous to lightly flute or grain the edge area of the insert. In addition, it is expedient to attach an insert to both the front sole and the rear sole and to adapt these inserts to the outline of the sole in a manner known per se, so that the part of the running side remaining between the edge of the sole and the edge of the insert is approximately the same width is.

Ein Ausführungsbeispiel der Erfindung ist nachfolgend anhand der beiligenden Zeichnungen beschrieben. In den Zeichnungen zeigen:

  • Fig. 1 eine Schrägansicht von unten eines Tennisschuhes mit einer Laufsohle nach der Erfindung, und
  • Fig. 2 einen Schnitt durch den Einsatz der Vordersohle längs der Linie II-II in Fig. 1.
An embodiment of the invention is described below with reference to the accompanying drawings. The drawings show:
  • Fig. 1 is an oblique view from below of a tennis shoe with an outsole according to the invention, and
  • FIG. 2 shows a section through the use of the front sole along the line II-II in FIG. 1.

Der in Fig. 1 dargestellte Hallentennisschuh besitzt eine aus geschäumtem Polyurethan bestehende Schalensohle 1, deren Schalenrand 2 sich in bekannter Weise etwa 2 bis 3 cm über die Schaftseite hinauf erstreckt und mit dem Schaft in beliebiger Weise, z.B. durch direktes Anformen oder auch durch Kleben, verbunden ist. Das Sohlenmaterial der Laufsohle 1 hat im gezeigten Ausführungsbeispiel eine Shore-Härte von 65. Die Laufseite 3 der Laufsohle 1 ist - mit Ausnahme der nachfolgend besprochenen Einsätze - von vorne bis hinten glatt und unprofiliert.The indoor tennis shoe shown in FIG. 1 has a shell sole 1 made of foamed polyurethane, the shell edge 2 of which extends in a known manner about 2 to 3 cm above the shaft side and with the shaft in is connected in any way, for example by direct molding or also by gluing. In the exemplary embodiment shown, the sole material of the outsole 1 has a Shore hardness of 65. With the exception of the inserts discussed below, the running side 3 of the outsole 1 is smooth and unprofiled from front to back.

In der Vorder- und Hintersohle ist je ein Einsatz 4 bzw. 5 aus Polyamid so eingesetzt, daß die Laufseite der Einsätze 4, 5 bündig, d.h. in einer Ebene mit der Laufseite 3 der Laufsohle 1 liegt. Die Umrißform der Einsätze 4, 5 ist so gewählt, daß der Umriß angenähert der Form des Sohlenrandes der Laufsohle 1 folgt, wozu auf die Zeichnung verwiesen wird.An insert 4 or 5 made of polyamide is inserted in the front and rear sole so that the running side of the inserts 4, 5 is flush, i.e. lies in one plane with the running side 3 of the outsole 1. The outline of the inserts 4, 5 is chosen so that the outline approximates the shape of the sole edge of the outsole 1, for which reference is made to the drawing.

Beide Einsätze 4, 5 haben einen geschlossenen Randbereich 4a bzw. 5a, der mit der Laufseite 3 bündig ist und eine leichte Riffelung oder Körnung besitzt, welche dem Randbereich eine gewisse Rauhigkeit vermittelt. Der Randbereich 4a bzw. 5a umschließt einen Innenbereich 4b bzw. 5b, der - wie sich aus Fig. 2 ergibt - um etwa 0,5 mm zurückgesetzt ist und eine glatte Fläche aufweist. Am Übergang von dem geriffelten oder gekörnten Randbereich 4a zum glatten Innenbereich 4b kann ein leichter Wulst 6 ausgebildet sein. Das Material der die Gleitzonen bildenden Einsätze 4 und 5 hat im gezeigten Ausführungsbeispiel eine Shore-Härte von etwa 75 und ist damit härter als das der Laufsohle 1.Both inserts 4, 5 have a closed edge area 4a or 5a, which is flush with the running side 3 and has a slight corrugation or grain which gives the edge area a certain roughness. The edge region 4a or 5a encloses an inner region 4b or 5b which - as can be seen in FIG. 2 - is set back by approximately 0.5 mm and has a smooth surface. A light bulge 6 can be formed at the transition from the corrugated or grained edge area 4a to the smooth inner area 4b. In the exemplary embodiment shown, the material of the inserts 4 and 5 forming the sliding zones has a Shore hardness of approximately 75 and is therefore harder than that of the outsole 1.

Abweichend von dem vorstehend beschriebenen Ausführungsbeispiel kann der Innenbcrcich 4b bzw. 5b der Einsätze 4 und 5 um bis zu 3,5 mm gegenüber dem Randbereich 4a bzw. 5a zurückgenommen sein. Auch kann eine höhere Shore-Härte der Einsätze 4, 5 bis zu 90 Shore gewählt werden.In a departure from the exemplary embodiment described above, the inner arch 4b or 5b of the inserts 4 and 5 can be withdrawn by up to 3.5 mm with respect to the edge region 4a or 5a. A higher Shore hardness of the inserts 4, 5 up to 90 Shore can also be selected.

Claims (5)

1. Laufsohle aus nachgiebigem Kunststoff für einen Tennisschuh, insbesondere Hallentennisschuh, in deren glatter unprofilierter Laufseite mindestens ein eine Gleitzone bildender Einsatz aus einem sich vom Sohlenmaterial unterscheidenden Material angeordnet ist, dadurch gekennzeichnet, daß der Einsatz (4, 5) aus einem gegenüber dem Sohlenmaterial härteren Kunststoff besteht.1. Outsole made of resilient plastic for a tennis shoe, in particular indoor tennis shoe, in whose smooth non-profiled running side at least one insert forming a sliding zone is arranged from a material different from the sole material, characterized in that the insert (4, 5) is made of a material opposite the sole material harder plastic. 2. Laufsohle nach Anspruch 1, dadurch gekennzeichnet, daß der Einsatz (4, 5) einen mit der Laufseite (3) der Sohle bündig liegenden Randbereich (4a, 5a) und einen gegenüber der Laufseite (3) der Sohle zurückgenommenen Innenbereich (4b, 5b) aufweist.2. Outsole according to Claim 1, characterized in that the insert (4, 5) has an edge region (4a, 5a) which is flush with the running side (3) of the sole and an inner region (4b) which is withdrawn with respect to the running side (3) of the sole. 5b). 3. Laufsohle nach Anspruch 2, dadurch gekennzeichnet, daß der Randbereich (4a, 5a) des Einsatzes (4, 5) leicht geriffelt oder gekörnt ist.3. Outsole according to claim 2, characterized in that the edge region (4a, 5a) of the insert (4, 5) is slightly corrugated or grained. 4. Laufsohle nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß je ein Einsatz (4 bzw. 5) auf der Vorder- und der Hintersohle angeordnet ist.4. Outsole according to one of claims 1 to 3, characterized in that one insert (4 or 5) is arranged on the front and rear sole. 5. Laufsohle nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Einsatz (4 bzw. 5) auf seiner dem äußeren Sohlenrand zugewendeten Seite sich weiter zum Sohlengelenk hin erstreckt als auf seiner gegenüberliegenden Seite.5. Outsole according to one of claims 1 to 4, characterized in that the insert (4 or 5) on its side facing the outer edge of the sole extends further to the sole joint than on its opposite side.
EP85100990A 1984-02-28 1985-01-31 Outsole for an indoor tennis shoe Expired EP0159470B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85100990T ATE29827T1 (en) 1984-02-28 1985-01-31 OUTSOLE FOR TENNIS SHOE.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3407266 1984-02-28
DE3407266 1984-02-28
DE19843415153 DE3415153A1 (en) 1984-02-28 1984-04-21 OUTSOLE FOR INDOOR SHOE
DE3415153 1984-04-21

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Publication Number Publication Date
EP0159470A1 true EP0159470A1 (en) 1985-10-30
EP0159470B1 EP0159470B1 (en) 1987-09-23

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EP85100990A Expired EP0159470B1 (en) 1984-02-28 1985-01-31 Outsole for an indoor tennis shoe

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193081A (en) * 1986-07-24 1988-02-03 Wolverine World Wide Inc Shoe outsole assemblies
ES2103203A1 (en) * 1995-11-13 1997-08-16 Calzados Hergar Sa Sole for footwear
US8322049B2 (en) 2010-07-30 2012-12-04 Nike, Inc. Wear-resistant outsole

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR982562A (en) * 1943-07-16 1951-06-12 Dunlop Sa Soles and heels for shoes
DE8015737U1 (en) * 1980-06-13 1980-09-18 Elefanten-Schuh Gmbh, 4190 Kleve Indoor sports shoes, in particular tennis shoes
DE3024558A1 (en) * 1980-06-28 1982-02-04 Eckardt Ag, 7000 Stuttgart Pressure control for electropneumatic converters and positioners - uses air flow variations, corresponding to control current, effected by control current operated heater

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024587A1 (en) * 1980-06-28 1982-01-28 Puma-Sportschuhfabriken Rudolf Dassler Kg, 8522 Herzogenaurach Indoor sports or tennis shoe with fibre reinforced sole - has heavily reinforced hard wearing zone esp. at ball of foot

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR982562A (en) * 1943-07-16 1951-06-12 Dunlop Sa Soles and heels for shoes
DE8015737U1 (en) * 1980-06-13 1980-09-18 Elefanten-Schuh Gmbh, 4190 Kleve Indoor sports shoes, in particular tennis shoes
DE3024558A1 (en) * 1980-06-28 1982-02-04 Eckardt Ag, 7000 Stuttgart Pressure control for electropneumatic converters and positioners - uses air flow variations, corresponding to control current, effected by control current operated heater

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193081A (en) * 1986-07-24 1988-02-03 Wolverine World Wide Inc Shoe outsole assemblies
GB2193081B (en) * 1986-07-24 1989-12-20 Wolverine World Wide Inc Shoe outsole assemblies
ES2103203A1 (en) * 1995-11-13 1997-08-16 Calzados Hergar Sa Sole for footwear
US8322049B2 (en) 2010-07-30 2012-12-04 Nike, Inc. Wear-resistant outsole
US8671592B2 (en) 2010-07-30 2014-03-18 Nike, Inc. Wear-resistant outsole

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Publication number Publication date
DE3415153A1 (en) 1985-08-29
EP0159470B1 (en) 1987-09-23

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