EP1945054B1 - Shoe, in particular sports shoe - Google Patents

Shoe, in particular sports shoe Download PDF

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Publication number
EP1945054B1
EP1945054B1 EP06806463A EP06806463A EP1945054B1 EP 1945054 B1 EP1945054 B1 EP 1945054B1 EP 06806463 A EP06806463 A EP 06806463A EP 06806463 A EP06806463 A EP 06806463A EP 1945054 B1 EP1945054 B1 EP 1945054B1
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EP
European Patent Office
Prior art keywords
damping
shoe
legs
shoe according
damping element
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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.)
Not-in-force
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EP06806463A
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German (de)
French (fr)
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EP1945054A1 (en
Inventor
Richard G. Ivester
Richard P. Hadfield
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Puma SE
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Puma SE
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Publication of EP1945054A1 publication Critical patent/EP1945054A1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/24—Heels; Top-pieces or top-lifts characterised by the constructive form
    • A43B21/26—Resilient heels
    • 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
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • 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

Definitions

  • the invention relates to a shoe, in particular a sports shoe, with a shoe upper and a sole, wherein above or in the sole a damping element is arranged.
  • a sole for a shoe in which a number of ribs, which have a curved shape, are positioned in the region of the back of the foot between a carrier part and an outsole. It is thus achieved that, when the sole is loaded with impact forces, the ribs are bent, with the rib taking on an almost semiellipsoidal shape.
  • the DE-U-202005007867 discloses a shoe according to the preamble of claim 1.
  • the invention has the object of providing a shoe, in particular a sports shoe, of the type mentioned in such a way that a better controllable course of the spring stiffness is given over the spring travel. Furthermore, the spring stiffness over the spring travel according to a desired function and no burglary, in particular progressive type, suffer. This should make it possible to influence the spring behavior of the shoe sole or of the damping element arranged on or in this well.
  • the damping element comprises: a first, upper group in cross-section substantially trough-shaped damping body, the damping bodies each having two legs which are connected to a connecting portion, a second, lower group in cross-section substantially U-shaped or trough-shaped damping body, wherein the damping bodies each have two legs which are connected to a connecting portion, and an intermediate carrier, which is arranged between the two groups of damping body and to which the legs adjoin with their end remote from the connecting portion or with which the legs are connected, wherein adjacent Legs of the respective damping elements adjoin or are connected to each other at a meeting point and wherein the meeting points of the upper and lower damping body in the longitudinal direction of the damping element offset at the intermediate carrier angeo rdnet are.
  • the legs of the damping body extend straight and impinge on the intermediate carrier at an angle between 45 ° and 85 ° to the plane of the intermediate carrier or to the horizontal.
  • the spring behavior can be significantly influenced. The flatter the angle at which the legs open onto the intermediate carrier, the higher the pressure forces in the leg, which occur when the shoe is subjected to force.
  • the points of coincidence of a damping body in the longitudinal direction of the damping element are arranged centrally between two meeting points of the other damping body.
  • two different groups damping body are provided, which are each formed in a trough-shaped cross-section and adjoin one another at meeting points.
  • the trough-shaped bodies of the upper and the lower group are directed towards each other with their open side and connected to each other via an intermediate carrier.
  • the intermediate carrier is formed substantially as a flat, plate-shaped part. This should also be understood that the intermediate carrier in the longitudinal direction of the damping element can have a - slightly - wavy course.
  • the subcarrier follows the course of the sole and it gradually curves from the forefoot over the metatarsal area, where there is still a largely flat shape, towards the heel area, so there is not-even.
  • the heel area of the intermediate carrier may be designed in particular cup-shaped.
  • the legs and the connecting portions of the damping body are formed as a sheet-shaped parts, which extend at least over part of the width of the shoe and form hollow chambers. According to one embodiment, it is provided that the legs and the connecting portions of the damping body extend as flat-shaped parts over the entire width of the sole. Alternatively, it is also possible that the legs and the connecting portions of the damping body extend as a flat formed parts only in the side regions of the sole and leave a recessed area in the central region.
  • the damping element extends according to an embodiment of the invention from the heel end of the sole. It can be placed on the underside of a heel cup. Furthermore, it can be provided that an outsole is arranged on the underside of the damping element. An alternative to this provides that the connecting portions of the lower damping body are formed as a segmented outsole.
  • the damping element can extend up to the rear end of the shoe and around the heel. It is provided according to a development that extends the damping element up to a height of 40% to 75% of the total shoe height in the heel area. As the end of the damping element while the last leg of the trough-shaped or U-shaped damping body is considered.
  • the outsole may extend at least over the entire area in which the damping element extends. In addition, it can also be provided that the outsole extends beyond the region of the damping element.
  • both groups damping body including intermediate carrier are formed as one-piece injection molded part.
  • the parts of the sole and in particular the damping element are preferably made of plastic, in particular of thermoplastic material.
  • plastic in particular of thermoplastic material.
  • preference is given to polyethylene, polypropylene, polybutane, polyamide, polyurethane or a mixture of at least two of these plastics.
  • the plastic can be translucent or transparent.
  • the outsole may be made of plastic, preferably polyethylene, polypropylene, polybutane, polyamide, polyurethane or a mixture of at least two of these plastics, or rubber, wherein the material is not translucent or not transparent.
  • the material of the individual components of the damping element can be selected expertly to determine the spring and / or damping properties of the damping element.
  • the spring stiffness as an absolute value can be determined by the thickness of the components of the Dämpkngementsements (thighs, Connecting sections, intermediate carrier) are set; As already mentioned, the angle at which the legs open onto the intermediate carrier can also be used for the design and adjustment.
  • Fig. 1 is sketched a damping element 3, which is integrated in a sports shoe.
  • the integration into a shoe is based on a similar damping element 3 Fig. 2 out. Shown here is only the heel area; however, analogous explanations also apply to the forefoot region into which a damping element according to the invention can likewise be integrated. It is also possible that a single damping element 3 is provided, which extends over the entire length of the shoe.
  • the damping element 3 has two groups 4 and 9 of damping body 5 and 10, respectively.
  • a number of damping body 5 and 10 are arranged side by side and touch each other at meeting points 15 and 16.
  • the damping body 5, 10 are trough-shaped in the embodiment, ie, each damping body 5, 10 has two legs 6, 7 and 11, 12, the are connected to each other via a connecting portion 8 and 13, respectively.
  • the connecting portion 8 or 13 and two legs 6 and 7 or 11 and 12 therefore form a damping body 5 and 10, respectively, which have a shape similar to a U when viewed in cross-section, that is to say from the side.
  • the upper group 4 of the damping body 5 and the lower group 9 of the damping body 10 are each connected to an intermediate carrier 14, wherein the intermediate carrier 14 is largely flat, but may also have a slight wave in the longitudinal direction L of the damping body 3. Ie. the meeting points 15 and 16 of adjacent legs 6, 7, 11, 12 are connected to the intermediate carrier 14.
  • the respective meeting points 15 and 16 are offset from one another in the longitudinal direction L.
  • the meeting points 15 of the upper damping body 5 are each centrally between two meeting points 16 of the lower damping body 10. This applies correspondingly for the meeting points 16, which come to lie centrally between two meeting points 15.
  • a damping element is created whose spring and damping properties can be defined in a particularly favorable and reproducible manner.
  • the angle ⁇ can be used (s. Fig. 1 ), which indicates how the legs 6, 7, 11, 12 meet the intermediate carrier 14.
  • Preferred values for the angle are values between 50 ° and 80 °.
  • a damping element 3 can be integrated into a shoe with a shoe upper 1 and a sole 2.
  • the damping body 3 is not flat here (as in Fig. 1 ), but he follows the course of the heel of the wearer of the shoe.
  • the damping element 3 extends up to an area corresponding to approximately half the total height H of the shoe in the heel area.
  • the damping element 3 is according to the embodiment Fig. 2 arranged on the underside of a heel cup 20, which is adapted to the heel shape of the wearer of the shoe.
  • an outsole 21 is arranged, which covers the damping element 3 from below.
  • the damping element 3 does not extend in the embodiment over the entire width of the shoe. Rather, it is provided that the damping element 3 extends only in the two side regions 17 and 18 in order to leave a recessed area in the middle region 19. However, this recess can also be provided only in a part of the sole, in which case other areas of the sole are provided over the entire surface with the damping element 3.
  • the damping element 3 is preferably designed as a one-piece injection-molded part (preferably made of EVA). It can then be glued to the heel cup 20 or to the outsole 21 or inserted into recesses provided in the sole 2 therefor.
  • Fig. 4 shown variant of the damping element 3 is based on the same inventive concept as the solution according to Fig. 1 , While in the above-described solution, the individual damping body 5 and 10 of the two groups 4 and 9 are designed symmetrically to an imaginary center plane, this is in accordance with the solution Fig. 4 - At least for a part of the damping body 5, 10 - not the case.
  • the angle ⁇ ' is just under 90 °, while the other angle ⁇ " is about 60 °.
  • the aforementioned angles ⁇ 'and ⁇ " are again those around which the extension of the legs 6, 7 or 11 and 12 rises up against the plane of the intermediate carrier 14 or an imaginary horizontal plane.
  • the connecting sections 8 and 13 - especially the upper connecting sections 8 - viewed in the longitudinal direction L of the shoe or damping body 3 - have only a very short extension.
  • the connecting sections 8, 13 are here connection points (or connecting lines extending over the width of the shoe), by means of which the legs 6, 7 and 11, 12 are connected to one another.
  • the transition of the one leg may be formed in the other as rounding, which in this case is to be addressed as a connecting portion 8, 13.
  • an incision can be made in the damping element 3 in the region facing the bottom. This does not necessarily have to extend in the longitudinal direction L, so be introduced in the manner of a longitudinal groove. It is also possible that the incision viewed from the bottom has an elliptical or kidney-shaped contour, for example.
  • the proposed damping element 3 can be arranged only in the rear foot area, that is, in particular under the heel. Alternatively or in addition, however, it can also be provided that such a damping element is arranged in the forefoot region. Finally, a damping element of the type mentioned can also extend over the entire shoe length.

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

Abstract

The invention relates to a sports shoe, with a damping element (3). To improve the spring constant of the damping element, the damping element (3) has an, upper group (4) of damping bodies (5) and a lower group (9) of damping bodies (10), each having a substantial U-shaped cross section. The upper damping bodies (5) have two legs (6, 7) which are connected with a connection section (8). The lower damping bodies (10) have two legs (11, 12) which are connected with a connection section (13). An intermediate carrier (14) is arranged between damping bodies (5; 10) and legs (6, 7; 11, 12). Adjacent legs (6, 7; 11, 12) of the respective damping bodies (5; 10) are connected at a location of conjunction (15, 16) and the locations of conjunction (15, 16) of the upper and of the lower damping bodies (5; 10) are offset in longitudinal direction (L).

Description

Die Erfindung betrifft einen Schuh, insbesondere einen Sportschuh, mit einem Schuhoberteil und einer Sohle, wobei oberhalb oder in der Sohle ein Dämpfungselement angeordnet ist.The invention relates to a shoe, in particular a sports shoe, with a shoe upper and a sole, wherein above or in the sole a damping element is arranged.

Bei Sportschuhen dieser allgemein bekannten Art ist es erforderlich, für ein gewünschtes Feder- und Dämpfverhalten der Sohle zu sorgen. Hierzu sind im Stand der Technik vielfältige Lösungen bekannt.In sports shoes of this well-known type, it is necessary to provide a desired spring and damping behavior of the sole. For this purpose, various solutions are known in the prior art.

In der WO 01/17384 A2 ist eine Sohle für einen Schuh beschrieben, bei der im Hinterfußbereich zwischen einem Träger- bzw. Innenteil und einer Außensohle eine Anzahl Rippen positioniert sind, die eine gekrümmte Form aufweisen. Damit wird erreicht, dass bei Belastung der Sohle mit Auftrittskräften ein Biegen der Rippen erfolgt, wobei die Rippe eine fast halbellipsoide Form einnimmt.In the WO 01/17384 A2 For example, a sole for a shoe is described in which a number of ribs, which have a curved shape, are positioned in the region of the back of the foot between a carrier part and an outsole. It is thus achieved that, when the sole is loaded with impact forces, the ribs are bent, with the rib taking on an almost semiellipsoidal shape.

Nachteilig ist es dabei, dass aufgrund dieser Verformung der Rippen ein relativ starker Einbruch der Federsteifigkeit über dem Belastungsweg festzustellen ist, was zu einer schlechten Steuerung der Federsteifigkeit führt und nicht erwünscht wird.The disadvantage here is that due to this deformation of the ribs a relatively strong decline in the spring stiffness is determined over the load path, resulting in poor control of the spring stiffness and is not desirable.

Die DE-U-202005007867 offenbart einen Schuh nach dem Oberbegriff des Anspruchs 1.The DE-U-202005007867 discloses a shoe according to the preamble of claim 1.

Der Erfindung liegt die Aufgabe zugrunde, einen Schuh, insbesondere einen Sportschuh, der eingangs genannten Art so fortzubilden, dass ein besser steuerbarer Verlauf der Federsteifigkeit über dem Federweg gegeben ist. Ferner soll die Federsteifigkeit über dem Federweg gemäß einer gewünschten Funktion verlaufen und keinen Einbruch, insbesondere progressiver Art, erleiden. Damit soll es möglich werden, das Federverhalten der Schuhsohle bzw. des an oder in dieser angeordneten Dämpfungselements gut zu beeinflussen.The invention has the object of providing a shoe, in particular a sports shoe, of the type mentioned in such a way that a better controllable course of the spring stiffness is given over the spring travel. Furthermore, the spring stiffness over the spring travel according to a desired function and no burglary, in particular progressive type, suffer. This should make it possible to influence the spring behavior of the shoe sole or of the damping element arranged on or in this well.

Die Lösung dieser Aufgabe durch die Erfindung ist in Anspruch 1 beschrieben. Das Dämpfungselement weist auf: eine erste, obere Gruppe im Querschnitt im wesentlichen wannenförmig ausgebildeter Dämpfungskörper, wobei die Dämpfungskörper jeweils zwei Schenkel aufweisen, die mit einem Verbindungsabschnitt verbunden sind, eine zweite, untere Gruppe im Querschnitt im wesentlichen U-formig oder wannenförmig ausgebildeter Dämpfungskörper, wobei die Dämpfungskörper jeweils zwei Schenkel aufweisen, die mit einem Verbindungsabschnitt verbunden sind, und einen Zwischenträger, der zwischen den beiden Gruppen der Dämpfungskörper angeordnet ist und an den die Schenkel mit ihrem vom Verbindungsabschnitt entfernten Ende angrenzen oder mit dem die Schenkel verbunden sind, wobei benachbarte Schenkel der jeweiligen Dämpfungselemente an einer Zusammentreffstelle aneinandergrenzen oder miteinander verbunden sind und wobei die Zusammentreffstellen der oberen und der unteren Dämpfungskörper in Längsrichtung des Dämpfungselements versetzt an dem Zwischenträger angeordnet sind.The solution of this problem by the invention is described in claim 1. The damping element comprises: a first, upper group in cross-section substantially trough-shaped damping body, the damping bodies each having two legs which are connected to a connecting portion, a second, lower group in cross-section substantially U-shaped or trough-shaped damping body, wherein the damping bodies each have two legs which are connected to a connecting portion, and an intermediate carrier, which is arranged between the two groups of damping body and to which the legs adjoin with their end remote from the connecting portion or with which the legs are connected, wherein adjacent Legs of the respective damping elements adjoin or are connected to each other at a meeting point and wherein the meeting points of the upper and lower damping body in the longitudinal direction of the damping element offset at the intermediate carrier angeo rdnet are.

Es ist vorgesehen, dass sich die Schenkel des Dämpfungskörpers gerade erstrecken und unter einem Winkel zwischen 45° und 85° zur Ebene des Zwischenträgers bzw. zur Horizontalen auf den Zwischenträger auftreffen. Über den gewählten Winkel kann das Federverhalten maßgeblich beeinflusst werden. Je flacher der Winkel ist, mit dem die Schenkel auf den Zwischenträger münden, desto höher werden die Druckkräfte im Schenkel, die bei der Kraftbeaufschlagung des Schuhs auftreten.It is envisaged that the legs of the damping body extend straight and impinge on the intermediate carrier at an angle between 45 ° and 85 ° to the plane of the intermediate carrier or to the horizontal. About the selected angle, the spring behavior can be significantly influenced. The flatter the angle at which the legs open onto the intermediate carrier, the higher the pressure forces in the leg, which occur when the shoe is subjected to force.

Bevorzugt sind die Zusammentreffstellen der einen Dämpfungskörper in Längsrichtung des Dämpfungselements gesehen mittig zwischen zwei Zusammentreffstellen der anderen Dämpfungskörper angeordnet.Preferably, the points of coincidence of a damping body in the longitudinal direction of the damping element are arranged centrally between two meeting points of the other damping body.

Es sind also zwei unterschiedliche Gruppen Dämpfungskörper vorgesehen, die jeweils im Querschnitt wannenförmig ausgebildet sind und an Zusammentreffstellen aneinandergrenzen. Die wannenförmigen Körper der oberen und der unteren Gruppe sind mit ihrer offenen Seite aufeinander zu gerichtet und über einen Zwischenträger miteinander verbunden.Thus, two different groups damping body are provided, which are each formed in a trough-shaped cross-section and adjoin one another at meeting points. The trough-shaped bodies of the upper and the lower group are directed towards each other with their open side and connected to each other via an intermediate carrier.

Hierdurch entsteht ein Dämpfungselement, dessen Feder- und Dämpfeigenschaften über weite Bereiche hinweg einstellbar bzw. beeinflussbar sind.This creates a damping element whose spring and damping properties can be adjusted or influenced over a wide range.

Es ist vorgesehen, dass der Zwischenträger im wesentlichen als ebenes, plattenförmiges Teil ausgebildet ist. Hierunter soll auch noch zu verstehen sein, dass der Zwischenträger in Längsrichtung des Dämpfungselements einen - leicht - wellenförmigen Verlauf aufweisen kann.It is envisaged that the intermediate carrier is formed substantially as a flat, plate-shaped part. This should also be understood that the intermediate carrier in the longitudinal direction of the damping element can have a - slightly - wavy course.

Möglich ist es aber auch, dass der Zwischenträger dem Verlauf der Sohle folgt und sich dabei allmählich vom Vorderfußbereich über den Mittelfußbereich, wo noch eine weitgehend ebene Form vorliegt, hin zum Fersenbereich krümmt, dort also nicht-eben ist. Im Fersenbereich kann der Zwischenträger insbesondere schalenförmig ausgeführt sein.But it is also possible that the subcarrier follows the course of the sole and it gradually curves from the forefoot over the metatarsal area, where there is still a largely flat shape, towards the heel area, so there is not-even. In the heel area of the intermediate carrier may be designed in particular cup-shaped.

Die Schenkel und die Verbindungsabschnitte der Dämpfungskörper sind als flächig ausgebildete Teile geformt, die sich zumindest über einen Teil der Breite des Schuhs erstrecken und Hohlkammern bilden. Nach einer Ausgestaltung ist vorgesehen, dass sich die Schenkel und die Verbindungsabschnitte der Dämpfungskörper als flächig ausgebildete Teile über die gesamte Breite der Sohle erstrecken. Alternativ hierzu ist es auch möglich, dass sich die Schenkel und die Verbindungsabschnitte der Dämpfungskörper als flächig ausgebildete Teile nur in den Seitenbereichen der Sohle erstrecken und im Mittelbereich einen ausgesparten Bereich lassen.The legs and the connecting portions of the damping body are formed as a sheet-shaped parts, which extend at least over part of the width of the shoe and form hollow chambers. According to one embodiment, it is provided that the legs and the connecting portions of the damping body extend as flat-shaped parts over the entire width of the sole. Alternatively, it is also possible that the legs and the connecting portions of the damping body extend as a flat formed parts only in the side regions of the sole and leave a recessed area in the central region.

Das Dämpfungselement erstreckt sich nach einer Ausgestaltung der Erfindung vom fersenseitigen Ende der Sohle an. Es kann an der Unterseite einer Fersenschale angeordnet werden. Weiterhin kann vorgesehen sein, dass an der Unterseite des Dämpfungselements eine Außensohle angeordnet ist. Eine Alternative hierzu sieht vor, dass die Verbindungsabschnitte der unteren Dämpfungskörper als segmentierte Außensohle ausgebildet sind.The damping element extends according to an embodiment of the invention from the heel end of the sole. It can be placed on the underside of a heel cup. Furthermore, it can be provided that an outsole is arranged on the underside of the damping element. An alternative to this provides that the connecting portions of the lower damping body are formed as a segmented outsole.

Um auch im rückwärtigen Bereich des Schuhs gewisse Feder- und Dämpfeigenschaft zu erzielen, kann sich das Dämpfungselement bis an das hintere Ende des Schuhs und um die Ferse herum nach oben erstrecken. Hierbei ist nach einer Weiterbildung vorgesehen, dass sich das Dämpfungselement bis zu einer Höhe von 40 % bis 75 % der gesamten Schuhhöhe im Fersenbereich erstreckt. Als Ende des Dämpfungselements wird dabei der letzte Schenkel des wannenförmigen oder U-förmigen Dämpfungskörpers betrachtet.In order to achieve certain spring and damping properties in the rear region of the shoe as well, the damping element can extend up to the rear end of the shoe and around the heel. It is provided according to a development that extends the damping element up to a height of 40% to 75% of the total shoe height in the heel area. As the end of the damping element while the last leg of the trough-shaped or U-shaped damping body is considered.

Die Außensohle kann sich mindestens über den gesamten Bereich erstrecken, in den sich das Dämpfungselement erstreckt. Darüber hinaus kann auch vorgesehen sein, dass sich die Außensohle über den Bereich des Dämpfungselements hinaus erstreckt.The outsole may extend at least over the entire area in which the damping element extends. In addition, it can also be provided that the outsole extends beyond the region of the damping element.

Fertigungstechnische Vorteile lassen sich erreichen, wenn beide Gruppen Dämpfungskörper samt Zwischenträger als einteiliges Spritzgießteil ausgebildet sind.Manufacturing advantages can be achieved if both groups damping body including intermediate carrier are formed as one-piece injection molded part.

Die Teile der Sohle und insbesondere das Dämpfungselement bestehen bevorzugt aus Kunststoff, insbesondere aus thermoplastischem Material. Dabei ist namentlich bevorzugt an Polyäthylen, Polypropylen, Polybutan, Polyamid, Polyurethan oder eine Mischung von wenigstens zwei dieser Kunststoffe gedacht. Der Kunststoff kann durchscheinend oder durchsichtig sein. Auch die Außensohle kann aus Kunststoff, vorzugsweise aus Polyäthylen, Polypropylen, Polybutan, Polyamid, Polyurethan oder einer Mischung von wenigstens zwei dieser Kunststoffe, oder aus Gummi bestehen, wobei das Material nicht durchscheinend oder nicht durchsichtig ist.The parts of the sole and in particular the damping element are preferably made of plastic, in particular of thermoplastic material. In particular, preference is given to polyethylene, polypropylene, polybutane, polyamide, polyurethane or a mixture of at least two of these plastics. The plastic can be translucent or transparent. Also, the outsole may be made of plastic, preferably polyethylene, polypropylene, polybutane, polyamide, polyurethane or a mixture of at least two of these plastics, or rubber, wherein the material is not translucent or not transparent.

Der Werkstoff der einzelnen Bestandteile des Dämpfungselements (Schenkel, Verbindungsabschnitte, Zwischenträger) sowie deren geometrische Abmessungen können zur Festlegung der Feder- und/oder Dämpfungseigenschaften des Dämpfungselements fachmännisch ausgewählt werden.The material of the individual components of the damping element (legs, connecting sections, intermediate carrier) and their geometric dimensions can be selected expertly to determine the spring and / or damping properties of the damping element.

Mit der vorgeschlagenen Ausgestaltung wird erreicht, dass sich - zumindest über einen gewissen Federwegbereich - eine Federsteifigkeit nach einem gewünschten Verlauf ergibt. Die Federsteifigkeit als absolute Größe kann über die Dicke der Bestandteile des Dämpkngselements (Schenkel, Verbindungsabschnitte, Zwischenträger) eingestellt werden; wie bereits erwähnt, kann dafür auch der Winkel, mit dem die Schenkel auf den Zwischenträger einmünden, zur Auslegung und Einstellung herangezogen werden.With the proposed embodiment it is achieved that-at least over a certain travel range-a spring stiffness results according to a desired course. The spring stiffness as an absolute value can be determined by the thickness of the components of the Dämpkngementsements (thighs, Connecting sections, intermediate carrier) are set; As already mentioned, the angle at which the legs open onto the intermediate carrier can also be used for the design and adjustment.

Die Fertigung des vorgeschlagenen Dämpfungselements und des gesamten Schuhs ist in einfacher Weise und kostengünstig möglich, wofür bekannte Methoden eingesetzt werden.The production of the proposed damping element and the entire shoe is possible in a simple manner and inexpensively, for which known methods are used.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Fig. 1
ein Dämpfungselement in perspektivischer Ansicht,
Fig. 2
das hintere Teil des Schuhs in der Seitenansicht,
Fig. 3
den Schnitt A-B gemäß Fig. 2 und
Fig. 4
eine zu Fig. 1 alternative, jedoch ähnliche Ausgestaltung des erfindungsgemäßen Dämpfungselements.
In the drawing, an embodiment of the invention is shown. Show it:
Fig. 1
a damping element in perspective view,
Fig. 2
the back part of the shoe in side view,
Fig. 3
the section AB according to Fig. 2 and
Fig. 4
one too Fig. 1 alternative, but similar embodiment of the damping element according to the invention.

In Fig. 1 ist ein Dämpfungselement 3 skizziert, das in einen Sportschuh integriert ist. Die Integration in einen Schuh geht für ein ähnliches Dämpfungselement 3 aus Fig. 2 hervor. Dargestellt ist hier lediglich der Fersenbereich; allerdings gelten analoge Ausführungen auch für den Vorderfußbereich, in den gleichermaßen ein erfindungsgemäßes Dämpfungselement integriert sein kann. Möglich ist es ferner, dass ein einziges Dämpfungselement 3 vorgesehen ist, das sich über die gesamte Länge des Schuhs erstreckt.In Fig. 1 is sketched a damping element 3, which is integrated in a sports shoe. The integration into a shoe is based on a similar damping element 3 Fig. 2 out. Shown here is only the heel area; however, analogous explanations also apply to the forefoot region into which a damping element according to the invention can likewise be integrated. It is also possible that a single damping element 3 is provided, which extends over the entire length of the shoe.

Das Dämpfungselement 3 gemäß Fig. 1 weist zwei Gruppen 4 und 9 von Dämpfungskörper 5 bzw. 10 auf. Eine Anzahl Dämpfungskörper 5 bzw. 10 sind nebeneinander angeordnet und berühren sich an Zusammentreffstellen 15 bzw. 16. Die Dämpfungskörper 5, 10 sind im Ausführungsbeispiel wannenförmig ausgebildet, d. h. jeder Dämpfungskörper 5, 10 hat zwei Schenkel 6, 7 bzw. 11, 12, die über einen Verbindungsabschnitt 8 bzw. 13 miteinander verbunden sind. Der Verbindungsabschnitt 8 bzw. 13 und zwei Schenkel 6 und 7 bzw. 11 und 12 bilden daher einen Dämpfungskörper 5 bzw. 10, die im Querschnitt, also von der Seite aus betrachtet, eine Form ähnlich eines U aufweisen.The damping element 3 according to Fig. 1 has two groups 4 and 9 of damping body 5 and 10, respectively. A number of damping body 5 and 10 are arranged side by side and touch each other at meeting points 15 and 16. The damping body 5, 10 are trough-shaped in the embodiment, ie, each damping body 5, 10 has two legs 6, 7 and 11, 12, the are connected to each other via a connecting portion 8 and 13, respectively. The connecting portion 8 or 13 and two legs 6 and 7 or 11 and 12 therefore form a damping body 5 and 10, respectively, which have a shape similar to a U when viewed in cross-section, that is to say from the side.

Die obere Gruppe 4 der Dämpfungskörper 5 und die untere Gruppe 9 der Dämpfungskörper 10 sind jeweils an einen Zwischenträger 14 angebunden, wobei der Zwischenträger 14 weitgehend eben ist, jedoch auch eine leichte Wellenform in Längsrichtung L des Dämpfungskörpers 3 aufweisen kann. D. h. die Zusammentreffstellen 15 bzw. 16 benachbarter Schenkel 6, 7, 11, 12 sind mit dem Zwischenträger 14 verbunden.The upper group 4 of the damping body 5 and the lower group 9 of the damping body 10 are each connected to an intermediate carrier 14, wherein the intermediate carrier 14 is largely flat, but may also have a slight wave in the longitudinal direction L of the damping body 3. Ie. the meeting points 15 and 16 of adjacent legs 6, 7, 11, 12 are connected to the intermediate carrier 14.

Wie weiter zu sehen ist, sind die jeweiligen Zusammentreffstellen 15 bzw. 16 in Längsrichtung L versetzt zueinander angeordnet. Die Zusammentreffstellen 15 der oberen Dämpfungskörper 5 liegen jeweils mittig zwischen zwei Zusammentreffstellen 16 der unteren Dämpfungskörper 10. Dies gilt entsprechend für die Zusammentreffstellen 16, die jeweils mittig zwischen zwei Zusammentreffstellen 15 zu liegen kommen.As can further be seen, the respective meeting points 15 and 16 are offset from one another in the longitudinal direction L. The meeting points 15 of the upper damping body 5 are each centrally between two meeting points 16 of the lower damping body 10. This applies correspondingly for the meeting points 16, which come to lie centrally between two meeting points 15.

Durch diese Ausgestaltung wird ein Dämpfungselement geschaffen, dessen Feder- und Dämpfeigenschaft besonders günstig und reproduzierbar definiert werden können. Zur spezifischen Definition der Feder- und Dämpfeigenschaften kann insbesondere der Winkel α herangezogen werden (s. Fig. 1), der angibt, wie die Schenkel 6, 7, 11, 12 auf den Zwischenträger 14 treffen. Bevorzugte Werte für den Winkel sind Werte zwischen 50° und 80°.By means of this embodiment, a damping element is created whose spring and damping properties can be defined in a particularly favorable and reproducible manner. For the specific definition of spring and Vapor properties, in particular the angle α can be used (s. Fig. 1 ), which indicates how the legs 6, 7, 11, 12 meet the intermediate carrier 14. Preferred values for the angle are values between 50 ° and 80 °.

In Fig. 2 ist zu sehen, wie ein derartiges Dämpfungselement 3 in einen Schuh mit einem Schuhoberteil 1 und einer Sohle 2 integriert werden kann. Der Dämpfungskörper 3 ist hier nicht eben ausgebildet (wie in Fig. 1), sondern er folgt dem Verlauf der Ferse des Trägers des Schuhs.In Fig. 2 It can be seen how such a damping element 3 can be integrated into a shoe with a shoe upper 1 and a sole 2. The damping body 3 is not flat here (as in Fig. 1 ), but he follows the course of the heel of the wearer of the shoe.

Anhand der eingetragenen Höhe h kann gesehen werden, dass sich das Dämpfungselement 3 bis in einen Bereich nach oben erstreckt, der etwa die Hälfte der gesamten Höhe H des Schuhs im Fersenbereich entspricht.From the registered height h, it can be seen that the damping element 3 extends up to an area corresponding to approximately half the total height H of the shoe in the heel area.

Das Dämpfungselement 3 ist im Ausführungsbeispiel gemäß Fig. 2 an der Unterseite einer Fersenschale 20 angeordnet, die der Fersenform des Trägers des Schuhs angepasst ist. An der Unterseite des Dämpfungskörpers 3 ist eine Außensohle 21 angeordnet, die das Dämpfungselement 3 von unten abdeckt.The damping element 3 is according to the embodiment Fig. 2 arranged on the underside of a heel cup 20, which is adapted to the heel shape of the wearer of the shoe. On the underside of the damping body 3, an outsole 21 is arranged, which covers the damping element 3 from below.

Wie dem Schnitt A-B gemäß Fig. 2 entnommen werden kann, der in Fig. 3 skizziert ist, erstreckt sich das Dämpfungselement 3 im Ausführungsbeispiel nicht über die gesamte Breite des Schuhs. Vielmehr ist vorgesehen, dass sich das Dämpfungselement 3 nur in den beiden Seitenbereichen 17 und 18 erstreckt, um im Mittelbereich 19 einen ausgesparten Bereich offenzulassen. Allerdings kann diese Aussparung auch nur in einem Teil der Sohle vorgesehen werden, wobei dann andere Bereiche der Sohle vollflächig mit dem Dämpfungselement 3 versehen sind.As the cut AB according to Fig. 2 can be taken in the Fig. 3 is sketched, the damping element 3 does not extend in the embodiment over the entire width of the shoe. Rather, it is provided that the damping element 3 extends only in the two side regions 17 and 18 in order to leave a recessed area in the middle region 19. However, this recess can also be provided only in a part of the sole, in which case other areas of the sole are provided over the entire surface with the damping element 3.

Das Dämpfungselement 3 ist vorzugsweise als einstückiges Spritzgießteil (bevorzugt aus EVA) ausgebildet. Es kann dann mit der Fersenschale 20 bzw. mit der Außensohle 21 verklebt werden bzw. in Ausnehmungen eingesetzt werden, die in der Sohle 2 hierfür vorgesehen sind.The damping element 3 is preferably designed as a one-piece injection-molded part (preferably made of EVA). It can then be glued to the heel cup 20 or to the outsole 21 or inserted into recesses provided in the sole 2 therefor.

Die in Fig. 4 gezeigte Variante des Dämpfungselements 3 basiert auf demselben Erfindungskonzept wie die Lösung gemäß Fig. 1. Während bei der vorbeschriebenen Lösung die einzelnen Dämpfungskörper 5 und 10 der beiden Gruppen 4 und 9 symmetrisch zu einer gedachten Mittenebene ausgeführt sind, ist dies bei der Lösung gemäß Fig. 4 - zumindest für einen Teil der Dämpfungskörper 5, 10 - nicht der Fall. Wie es sich anhand der eingetragenen Winkel α' und α" ergibt, liegt eine Unsymmetrie vor. Der Winkel α' liegt knapp unter 90°, während der andere Winkel α" bei ca. 60° liegt. Bei den genannten Winkeln α' und α" handelt es sich wieder um diejenigen, um die sich die Erstreckung der Schenkel 6, 7 bzw. 11 und 12 gegen die Ebene des Zwischenträgers 14 bzw. eine gedachte Horizontalebene erhebt.In the Fig. 4 shown variant of the damping element 3 is based on the same inventive concept as the solution according to Fig. 1 , While in the above-described solution, the individual damping body 5 and 10 of the two groups 4 and 9 are designed symmetrically to an imaginary center plane, this is in accordance with the solution Fig. 4 - At least for a part of the damping body 5, 10 - not the case. As indicated by the registered angles α 'and α ", there is an imbalance, the angle α' is just under 90 °, while the other angle α" is about 60 °. The aforementioned angles α 'and α "are again those around which the extension of the legs 6, 7 or 11 and 12 rises up against the plane of the intermediate carrier 14 or an imaginary horizontal plane.

Zu sehen ist ferner, dass die Verbindungsabschnitte 8 bzw. 13 - vor allem die oberen Verbindungsabschnitte 8 - in Längsrichtung L des Schuhs bzw. Dämpfungskörpers 3 betrachtet - eine nur sehr kurze Erstreckung aufweisen. Gewissermaßen handelt es sich bei den Verbindungsabschnitten 8, 13 hier um Verbindungspunkte (bzw. über die Breite des Schuhs verlaufende Verbindungslinien), mittels derer die Schenkel 6, 7 bzw. 11, 12 miteinander verbunden sind. Wie zu sehen ist, kann der Übergang des einen Schenkels in den anderen als Ausrundung ausgebildet sein, die in diesem Falle als Verbindungsabschnitt 8, 13 anzusprechen ist.It can also be seen that the connecting sections 8 and 13 - especially the upper connecting sections 8 - viewed in the longitudinal direction L of the shoe or damping body 3 - have only a very short extension. To a certain extent, the connecting sections 8, 13 are here connection points (or connecting lines extending over the width of the shoe), by means of which the legs 6, 7 and 11, 12 are connected to one another. As can be seen, the transition of the one leg may be formed in the other as rounding, which in this case is to be addressed as a connecting portion 8, 13.

Auch in diesem Falle kann im Dämpfungselement 3 in dem dem Boden zugewandten Bereich ein Einschnitt eingebracht sein. Dieser muss sich nicht zwingend in Längsrichtung L erstrecken, also nach Art einer Längsnut eingebracht sein. Es ist auch möglich, dass der Einschnitt vom Boden aus betrachtet eine beispielsweise elliptische oder nierenförmige Kontur aufweist.Also in this case, an incision can be made in the damping element 3 in the region facing the bottom. This does not necessarily have to extend in the longitudinal direction L, so be introduced in the manner of a longitudinal groove. It is also possible that the incision viewed from the bottom has an elliptical or kidney-shaped contour, for example.

Das vorgeschlagene Dämpfungselement 3 kann nur im Hinterfußbereich, also insbesondere unter der Ferse, angeordnet sein. Es kann alternativ oder additiv aber auch vorgesehen werden, dass ein derartiges Dämpfungselement im Vorderfußbereich angeordnet ist. Schließlich kann sich ein Dämpfungselement der genannten Art auch über die gesamte Schuhlänge erstrecken.The proposed damping element 3 can be arranged only in the rear foot area, that is, in particular under the heel. Alternatively or in addition, however, it can also be provided that such a damping element is arranged in the forefoot region. Finally, a damping element of the type mentioned can also extend over the entire shoe length.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
SchuhoberteilShoeupper
22
Sohlesole
33
Dämpfungselementdamping element
44
erste, obere Gruppe Dämpfungskörperfirst, upper group damping body
55
Dämpfungskörperdamping body
66
Schenkelleg
77
Schenkelleg
88th
Verbindungsabschnittconnecting portion
99
zweite, untere Gruppe Dämpfungskörpersecond, lower group damping body
1010
Dämpfungskörperdamping body
1111
Schenkelleg
1212
Schenkelleg
1313
Verbindungsabschnittconnecting portion
1414
Zwischenträgersubcarrier
1515
ZusammentreffstelleCoincident point
1616
ZusammentreffstelleCoincident point
1717
Seitenbereichpage range
1818
Seitenbereichpage range
1919
Mittelbereichthe central region
2020
Fersenschaleheel cup
2121
Außensohleoutsole
LL
Längsrichtunglongitudinal direction
α, α', α"α, α ', α "
Winkelangle
hH
Höheheight
HH
gesamte Schuhhöheentire shoe height

Claims (15)

  1. Shoe, in particular sports shoe, with a shoe upper part (1) and a sole (2), wherein a damping element (3) being arranged above or in the sole (2), wherein the damping element (3) comprises:
    a first, upper group (4) of damping bodies (5) having a substantial U-shaped or bowl-shaped cross section, wherein the damping bodies (5) have two legs (6, 7) respectively, which are connected with a connection section (8),
    a second, lower group (9) of damping bodies (10) having a substantial bowl-shaped cross section, wherein the damping bodies (10) have two legs (11, 12) respectively, which are connected with a connection section (13), and
    an intermediate carrier (14) which is arranged between both groups (4; 9) of damping bodies (5; 10) and to which the legs (6, 7; 11, 12) abut with their end being remote from the connection section (8; 13) or with which the legs (6, 7; 11, 12) are connected,
    wherein the legs (6, 7; 11, 12) and the connection sections (8; 13) of the damping bodies (5; 10) extend as a flat parts at least along a part of the width of the shoe and form hollow chambers,
    wherein adjacent legs (6, 7; 11, 12) of the respective damping bodies (5; 10) are abutting or are connected at a location of conjunction (15, 16),
    wherein the locations of conjunction (15, 16) of the upper and of the lower damping bodies (5; 10) are arranged offset at the intermediate carrier (14) in longitudinal direction (L) of the damping element (3),
    wherein the intermediate carrier (14) is formed as a substantial flat, panel shaped part or it has a wavelike or kink-shaped run in longitudinal direction (L) of the damping element (3),
    characterized in that
    the legs (6, 7; 11, 12) extend substantially linear and meet the intermediate carrier (14) with an angle (α) between 45° and 89°, preferably between 45° and 85°, to the plane of the intermediate carrier (14) or to the horizontal.
  2. Shoe according to claim 1, characterized in that the locations of conjunction (15) of one of the damping bodies (5) are arranged in the middle between two locations of conjunction (16) of the other damping bodies (10) regarded in longitudinal direction (L) of the damping element (3).
  3. Shoe according to claim 1 or 2, characterized in that the damping bodies (5; 10) are formed at least partially symmetrically to a middle plane in cross section.
  4. Shoe according to claim 1 or 2, characterized in that the damping bodies (5; 10) are formed at least partially asymmetrically to a middle plane in cross section.
  5. Shoe according to one of claims 1 to 4, characterized in that the damping element (3) has an incision in the region being turned toward the ground.
  6. Shoe according to one of claims 1 to 4, characterized in that the legs (6, 7; 11, 12) and the connection sections (8; 13) of the damping bodies (5; 10) extend as flat parts along the whole width of the sole (2).
  7. Shoe according to one of claims 1 to 5, characterized in that the legs (6, 7; 11, 12) and the connection sections (8; 13) of the damping bodies (5; 10) extend as flat parts only along the side regions (17, 18) of the sole (2) and leave an omitted region in the middle section (19).
  8. Shoe according to one of claims 1 to 7, characterized in that the connection sections (8; 13) of the damping bodies (5; 10) have at least partly a short extension in longitudinal direction (L), wherein the connection sections (8; 13) are formed substantially as a punctual location of conjunction of the legs (6, 7; 11, 12) in cross section.
  9. Shoe according to claim 8, characterized in that the connection sections (8; 13) are formed as a rounded transition of the legs (6, 7; 11, 12).
  10. Shoe according to one of claims 1 to 9, characterized in that the damping element (3) is arranged at the bottom side of a heel shell (20).
  11. Shoe according to one of claims 1 to 10, characterized in that an outer sole (21) is arranged at the bottom side of the damping element (3).
  12. Shoe according to one of claims 1 to 10, characterized in that the connection sections (13) of the bottom damping bodies (10) are formed as a segmented outer sole (21).
  13. Shoe according to one of claims 1 to 12, characterized in that the damping element (3) extends to the rear end of the shoe and turns around the heel upwards.
  14. Shoe according to claim 13, characterized in that the damping element (3) extends until a height (h) from 40% till 75% of the total height (H) of the shoe in the heel region.
  15. Shoe according to one of claims 1 to 14, characterized in that both groups of damping bodies (5; 10) as well as the intermediate carrier (14) are made as a one-part injection molding part.
EP06806463A 2005-11-02 2006-10-23 Shoe, in particular sports shoe Not-in-force EP1945054B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202005017043U DE202005017043U1 (en) 2005-11-02 2005-11-02 Shoe, in particular sports shoe
PCT/EP2006/010188 WO2007051538A1 (en) 2005-11-02 2006-10-23 Shoe, in particular sports shoe

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EP1945054A1 EP1945054A1 (en) 2008-07-23
EP1945054B1 true EP1945054B1 (en) 2011-10-19

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EP (1) EP1945054B1 (en)
JP (1) JP2009514578A (en)
KR (1) KR20080072698A (en)
CN (1) CN101299940B (en)
AT (1) ATE529009T1 (en)
AU (1) AU2006310782A1 (en)
BR (1) BRPI0618346A2 (en)
CA (1) CA2626355A1 (en)
DE (1) DE202005017043U1 (en)
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WO (1) WO2007051538A1 (en)

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CN101299940A (en) 2008-11-05
BRPI0618346A2 (en) 2016-11-16
KR20080072698A (en) 2008-08-06
AU2006310782A1 (en) 2007-05-10
EP1945054A1 (en) 2008-07-23
WO2007051538A1 (en) 2007-05-10
DE202005017043U1 (en) 2007-03-15
CA2626355A1 (en) 2007-05-10
CN101299940B (en) 2010-07-07
JP2009514578A (en) 2009-04-09
TWI303559B (en) 2008-12-01
US20090211114A1 (en) 2009-08-27
TW200735801A (en) 2007-10-01
ATE529009T1 (en) 2011-11-15

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