EP2742818B1 - Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes - Google Patents

Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes Download PDF

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EP2742818B1
EP2742818B1 EP12075137.5A EP12075137A EP2742818B1 EP 2742818 B1 EP2742818 B1 EP 2742818B1 EP 12075137 A EP12075137 A EP 12075137A EP 2742818 B1 EP2742818 B1 EP 2742818B1
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insole
rubber layer
shoe
vertebral
backbone
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EP2742818A1 (en
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Mike-Martin Robacki
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/12Dancing shoes
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/141Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/14Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/16Pieced soles

Definitions

  • insoles of lace shoes consist of several layers of different materials, such as cardboard, vulcanized fiber and leather, which are glued together, nailed or sewn in different lengths.
  • the German utility model (No. 20 2011 004 126 - spine sole) already describes a vertebral structure of the insole, it being possible to control important functional areas individually (Fig. State of the art).
  • the spine is defined by a tough but inelastic material (U), to which the conical vertebrae (V) are firmly attached.
  • the insertion or removal of discs (S) defines the bending behavior of the sole.
  • the lower material (L) is tough but elastic (e.g., rubber).
  • the sole becomes bendable upwards, but downwards its flexibility becomes definable by the vertebrae (V) and intervertebral discs (S).
  • insole of pointe shoes is also called the backbone of the pointe shoe.
  • This idea has been consistently pursued in order to make what has been used by nature over millions of years of evolution technologically usable.
  • the structures developed so far have been optimized to a revolutionary improvement in the tip shoe function and its medical concerns.
  • the result of this work is an easy-to-install, form-connected intelligent spine functional system as an insole, in particular for pointe shoes, having the features of claim 1 (US Pat. Fig. 1 ).
  • the intelligent spine functional system ( Fig.2 ) consists of at least two, but in the best case of three basic functional components that are connected together in pure form composite without fasteners or adhesives and are accordingly easy to assemble or change.
  • the spine ( Figure 3 ) mainly characterizes a juxtaposition of vertebral bodies (V), which may be conical both straight and at a defined angle.
  • the interspaces (I) of the vertebral bodies allow the spine to bend freely upwards.
  • the bendability downwards is limited only by the straight or conical shape of the vertebral bodies, whose legs abut against each other at a definable maximum bending and do not allow further bending ( 4 - aA ).
  • the spine is defined above by a very resilient, flexible but inelastic material ( Fig.4 - aU ), with which the vertebral bodies, depending on the production process, are firmly connected or directly potted.
  • the sticks act like an intervertebral disc in the spine.
  • a stick between two vertebrae causes the spine at this point, although still able to bend upwards but not further down ( Fig.4 - a ).
  • the spine now follows the individually bent anatomy of the sole of the foot and remains in other places, eg under the forefoot or behind the heel ( Fig.1 - c ). The following sentence is irrelevant and does not apply.
  • Elastic sticks in the forefoot area provide a noise and shock reducing effect for standing on top or jumping.
  • Elastic sticks can now also tolerate the angular rotations of the vertebral bodies. Instead of completely removing a stick in the heel area, an elastic stick can also be used to create a variable and shock absorbing back pressure under the heel flex.
  • the sticks are now diluted in our version in the middle area, so that the rubber layer ( Fig.6 - R ) in these bays ( Figure 5 - RS) engages and lateral slipping of the sticks is prevented.
  • the lower material, the rubber layer ( Fig.6 - R ) is resistant and resistant to the top layer ( Fig.4 - U ) but elastic. It is fixed at defined points of the spine.
  • a pure molding compound of the rubber layer with the spine ( Fig.2 ).
  • the integrated rubber layer engages here with corresponding ribs ( Fig.2 - F )
  • the rubber layer with its elastic control can synchronize the individual vertebrae with each other. If the spine is bent upwards while walking or in the Demi Pointe, the train on the rubber layer results in a uniform bending of the whole sole ( Fig.1 - b ).
  • the mold compound of the rubber layer with the spine without gluing or mechanical screw, nail or other fasteners, allow a dancer with a few simple steps rubber layers with alternative Shore hardness in their sole yourself, which represents a previously unattained relief especially for professional dancers.
  • the integrated rubber layer absorbs even more dynamic force compared to flat glued or screwed rubber underlays, which noticeably returns to the foot when jumping or when moving to the top level (kangaroo effect).
  • the integrated rubber layer also acts as a mechanical and secure barrier against the lateral slippage of the sticks, which are provided with corresponding bays for the rubber layer ( Figure 5 - RS).
  • the rubber layer is in the stretched state in the spine introduced and allows a bias of the sole. As a result, the spine in the areas without sticks already slightly bent and clings to the natural curvature of the sole of the foot. This is especially helpful in free stretching of the foot.
  • the spine gets a limited functionality even without rubber layer and sticks, by predefining the angles of the vertebral bodies and the possible bending behavior, but excluding the possibility that the customer can later adjust the sole to his foot shape and the required bending resistance ( Fig.4 - c ).
  • the material thickness of the spine is chosen so that the sole has a relative rigidity, ie that when defined by the body weight forces the insole is practically inflexible in both directions. If the material of the spine now slotted or toothed with intervertebral disc areas, the material is now relatively flexible in these vortex areas in the opposite direction of the slits and is only the other direction by the meeting of the vertebral bodies ( Fig.4 - c ) limited.
  • the intelligent spine functional system also offers innovative solutions for easy assembly with the complete pointe shoe.
  • the outer pointe shoe is attached to the last with all layers and cap assemblies on a thin and flexible mounting sole ( Fig.7 - a ) attached.
  • This inner mounting sole is z. B. with a click rail ( Fig.7 - c ) Mistake.
  • the outsole is glued in the known method on the mounting base and finally presses all layers firmly between the mounting sole and outsole. The last is removed.
  • a corresponding guide in the spine ( Fig.2 - C ) now allows the fully assembled spine system to be inserted into the finished pointe shoe and pushed over the click bar. When the spine audibly snaps into the click fastener, it is firmly connected to the outer pointe shoe.
  • the specific technical design of this system for locking can vary.
  • the spine as a functional intelligent system of insoles is conceivable for a number of applications in general, orthopedic or in the sports shoe sector. Whenever comfortable flexibility is needed in conjunction with clearly definable endpoints of flexibility, the modified system spine would be an obvious solution. Also the o.g. Kangaroo effect is associated with the ply structure of a spine, e.g. also conceivable for sports and running shoes.

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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)

Description

Beim klassischen Ballett benötigt eine Tänzerin für den Spitzentanz meist nur in einem einzigen Falle die relative Steifheit der Innensohle ihres Spitzenschuhs - (Fig.1 - c) das ist der Moment des Stehens auf Spitze. Für alle anderen Schritte und Bewegungen im Tanz, insbesondere für das Demi-Pointe (Fig.1 - b), dem Stehen auf halber Spitze, und nicht zuletzt für die Gesunderhaltung bzw. die gesunde Entwicklung des beanspruchten Fußes einer Ballerina, ist aber diese Steifheit der Sohle genau das Problem. Alle Spitzenschuhhersteller stehen vor einem grundsätzlichen Problem: Wie kann ich eine relativ flexible Spitzenschuhsohle herstellen, die für den Stand auf Spitze genügend Halt bietet? Bisherige Lösungen sind deshalb oft ein Kompromiss.In classical ballet, a dancer for top dance usually only needs the relative stiffness of the insole of her pointe shoe in a single case - ( Fig.1 - c This is the moment of standing on top. For all other steps and movements in the dance, especially for the demi-pointe ( Fig.1 - b ), standing on half a peak, and not least for the health and healthy development of the stressed foot of a ballerina, but this stiffness of the sole is just the problem. All lace shoe manufacturers face a fundamental problem: How can I produce a relatively flexible pointe shoe sole that provides sufficient support for standing on top? Previous solutions are therefore often a compromise.

STAND DER TECHNIKSTATE OF THE ART

Traditionell bestehen Innensohlen von Spitzenschuhen aus mehreren Lagen unterschiedlicher Materialien, wie Pappen, Vulkanfiber und Leder, welche in verschiedenen Längen miteinander verklebt, genagelt oder vernäht werden. Das deutsche Gebrauchsmuster (Nr. 20 2011 004 126 - Wirbelsäulensohle) beschreibt bereits einen Wirbelaufbau der Innensohle, wobei es möglich wird, wichtige funktionelle Bereiche individuell anzusteuern (Fig. Stand der Technik). Oben ist die Wirbelsohle durch ein widerstandsfähiges aber unelastisches Material (U) definiert, mit dem die konisch ausgearbeiteten Wirbelkörper (V) fest verbunden sind. Das Einfügen oder Entfernen von Bandscheiben (S) definiert das Biegeverhalten der Sohle. Das untere Material (L) wiederum ist widerstandsfähig aber elastisch (z.B. Gummi). Die Sohle wird dadurch nach oben biegbar, nach unten jedoch wird ihre Biegsamkeit durch die Wirbel (V) und Bandscheiben (S) definierbar.Traditionally insoles of lace shoes consist of several layers of different materials, such as cardboard, vulcanized fiber and leather, which are glued together, nailed or sewn in different lengths. The German utility model (No. 20 2011 004 126 - spine sole) already describes a vertebral structure of the insole, it being possible to control important functional areas individually (Fig. State of the art). Above, the spine is defined by a tough but inelastic material (U), to which the conical vertebrae (V) are firmly attached. The insertion or removal of discs (S) defines the bending behavior of the sole. The lower material (L), in turn, is tough but elastic (e.g., rubber). The sole becomes bendable upwards, but downwards its flexibility becomes definable by the vertebrae (V) and intervertebral discs (S).

PROBLEMPROBLEM

Ungelöst ist jedoch noch die Fixierung der Bandscheiben gegen das seitliche Verrutschen. Ebenso die Art und Weise des sicheren und umweltfreundlichen Verbundes der Komponenten miteinander. So sind Klebeverbindungen zwischen starrer Innensohle und elastischer Gummilage kaum dauerhaft und effizient zu gewährleisten. Die effiziente Montage in den fertigen Spitzenschuh ist ungeklärt und es ist nicht möglich, das Widerstandsverhalten der Innensohle, welches vor allem durch die Shore-Härte der unteren Gummilage definiert wird, individuell zu variieren. Um das individuelle Steuerverhalten der Innensohle für den Endverbraucher dauerhaft zu gewährleisten, muss es jederzeit möglich sein, dass jede einzelne Komponente leicht zu entfernen oder auszuwechseln ist.However, the fixation of the intervertebral discs against lateral slippage remains unresolved. Likewise the way of the safe and environment-friendly union of the components together. Thus, adhesive bonds between rigid insole and elastic rubber layer are difficult to ensure permanently and efficiently. The efficient assembly in the finished pointe shoe is unclear and it is not possible, the resistance behavior of the insole, which is mainly defined by the Shore hardness of the lower rubber layer, to vary individually. In order to permanently guarantee the individual control behavior of the insole for the end user, it must always be possible for each individual component to be easily removed or replaced.

LÖSUNGSOLUTION

Oft wird die Innensohle von Spitzenschuhen auch Rückgrat des Spitzenschuhs genannt. Dieser Gedanke wurde konsequent weitergeführt um das, was die Natur über Jahrmillionen der Evolution optimiert hat, technologisch nutzbar zu machen. Die bisher entwickelten Strukturen wurden so weit optimiert, dass eine revolutionäre Verbesserung der Spitzenschuhfunktion und seiner medizinischen Bedenklichkeiten erreicht wird. Ergebnis dieser Arbeit ist ein leicht zu montierendes formverbundenes intelligentes Wirbelsohlen Funktionssystem als Innensohle insbesondere für Spitzenschuhe mit den Merkmalen des Anspruchs 1 (Fig. 1).Often the insole of pointe shoes is also called the backbone of the pointe shoe. This idea has been consistently pursued in order to make what has been used by nature over millions of years of evolution technologically usable. The structures developed so far have been optimized to a revolutionary improvement in the tip shoe function and its medical concerns. The result of this work is an easy-to-install, form-connected intelligent spine functional system as an insole, in particular for pointe shoes, having the features of claim 1 (US Pat. Fig. 1 ).

AUSFÜHRUNG DER ERFINDUNGEMBODIMENT OF THE INVENTION

Das intelligente Wirbelsohlen Funktionssystem (Fig.2) besteht mindestens aus zwei, im optimalen Fall jedoch aus drei funktionellen Grundkomponenten, die im reinen Formverbund ohne Verbindungsmittel oder Klebstoffe miteinander verbunden und entsprechend leicht zu montieren oder zu wechseln sind. Das Grundelement Wirbelsohle (B), die Sticks (S) als Bandscheiben und die Gummilage (R) als Muskel des Systems.The intelligent spine functional system ( Fig.2 ) consists of at least two, but in the best case of three basic functional components that are connected together in pure form composite without fasteners or adhesives and are accordingly easy to assemble or change. The basic element spine (B), the sticks (S) as intervertebral discs and the rubber layer (R) as the muscle of the system.

1.) Wirbelsohle1.) spine

Die Wirbelsohle (Fig.3) charakterisiert hauptsächlich eine Aneinanderreihung von Wirbelkörpern (V), die sowohl gerade als auch in einem definierten Winkel konisch ausgebildet sein können. Die Zwischenräume (I) der Wirbelkörper ermöglichen der Wirbelsohle eine freie Biegbarkeit nach oben. Die Biegbarkeit nach unten wird erst durch die gerade oder konische Form der Wirbelkörper begrenzt, deren Schenkel bei einer bestimmbaren Maximalbiegung gegeneinander stoßen und keine weitere Biegung zulassen (Fig.4 - a-A). Die Wirbelsohle wird oben durch ein sehr widerstandsfähiges, flexibles aber unelastisches Material definiert (Fig.4 - a-U), mit dem die Wirbelkörper, je nach Produktionsverfahren, fest verbunden oder direkt vergossen sind. Am effizientesten scheint hier die Anwendung von Spritzgussverfahren zu sein, bei dem die Wirbelsohle mit allen Wirbelkörpern und der als Gelenk fungierenden Oberlage (Fig.4 - a-U) in einem Guss hergestellt werden. Entsprechende Formgestaltung und Ausbuchtungen der Wirbelsohle (Fig.2 & Fig.3) erlauben nun unter anderem den reinen Formverbund aller Komponenten miteinander ohne Klebstoffe verwenden zu müssen. Die Wirbelsohle ermüdet gegenüber herkömmlichen Innensohlen von Spitzenschuhen kaum. Sie wird sozusagen nicht weich, und bietet dem Fuß der Tänzerin über den gesamten Lebenszyklus des Außenschuhs hinweg volle Beweglichkeit und eine dauerhafte stabile Unterstützung im Spitzenstand. Die von Tänzerinnen oft benutzte Terminologie: Weichheit oder Festigkeit spielt bei der Wirbelsohle keine Rolle mehr, weil sie in alle erwünschte Richtungen bereits flexibel und in der notwendigen Endposition auf Spitze dann dauerhaft fest ist (Fig.1 - a,b,c).The spine ( Figure 3 ) mainly characterizes a juxtaposition of vertebral bodies (V), which may be conical both straight and at a defined angle. The interspaces (I) of the vertebral bodies allow the spine to bend freely upwards. The bendability downwards is limited only by the straight or conical shape of the vertebral bodies, whose legs abut against each other at a definable maximum bending and do not allow further bending ( 4 - aA ). The spine is defined above by a very resilient, flexible but inelastic material ( Fig.4 - aU ), with which the vertebral bodies, depending on the production process, are firmly connected or directly potted. The most efficient seems to be the use of injection molding in which the spine with all vertebral bodies and the upper layer ( Fig.4 - aU ) are produced in one piece. Corresponding shape design and bulges of the spine ( Fig.2 & Fig.3 ) now allow, among other things, the pure molding compound of all components without having to use adhesives. The spine fatigues compared to conventional insoles of lace shoes barely. It does not soften, so to speak, and provides the dancer's foot with full agility throughout the life cycle of the outer shoe, and lasting, stable support at the top. The terminology often used by dancers: softness or firmness no longer plays a role in the spine because it is already flexible in all desired directions and then permanently attached in the required end position on the tip ( Fig.1 - a, b, c ).

2.) Sticks2.) Sticks

Die Sticks (Fig.5 - S) fungieren wie eine Bandscheibe in der Wirbelsohle. Ein Stick zwischen zwei Wirbeln bewirkt, dass sich die Wirbelsohle an dieser Stelle zwar immer noch nach oben aber nicht weiter nach unten biegen kann (Fig.4 - a). Nun ist es sehr leicht möglich, beliebige Sticks (S) im Fersenbereich einzufügen oder zu entfernen (Fig.2 - S). An frei definierbaren Punkten folgt die Wirbelsohle nun der individuell gebogenen Anatomie der Fußsohle und bleibt an anderen Stellen, z.B. unter dem Vorfuß oder hinter der Ferse gerade (Fig.1 - c). Folgender Satz ist irrelevant und entfällt. Elastische Sticks im Vorfußbereich leisten für den Stand auf Spitze oder beim Sprung einen Geräusch und Stoß reduzierenden Effekt. Elastische Sticks können nun auch die Winkeldrehungen der Wirbelkörper zueinander tolerant machen. Anstatt einen Stick im Fersenbereich ganz zu entfernen, kann auch ein elastischer Stick eingesetzt werden um so unter der Fersenbeuge einen variablen und auch Stoß absorbierenden Gegendruck zu erzeugen. Die Sticks sind in unserer Ausführung nun im mittleren Bereich verdünnt, damit die Gummilage (Fig.6 - R) in diese Buchten (Fig.5 - RS) hineingreift und das seitliche Verrutschen der Sticks verhindert wird.The sticks ( Fig.5 - S ) act like an intervertebral disc in the spine. A stick between two vertebrae causes the spine at this point, although still able to bend upwards but not further down ( Fig.4 - a ). Now it is very easy to insert or remove any sticks (S) in the heel area ( Fig.2 - S ). At freely definable points the spine now follows the individually bent anatomy of the sole of the foot and remains in other places, eg under the forefoot or behind the heel ( Fig.1 - c ). The following sentence is irrelevant and does not apply. Elastic sticks in the forefoot area provide a noise and shock reducing effect for standing on top or jumping. Elastic sticks can now also tolerate the angular rotations of the vertebral bodies. Instead of completely removing a stick in the heel area, an elastic stick can also be used to create a variable and shock absorbing back pressure under the heel flex. The sticks are now diluted in our version in the middle area, so that the rubber layer ( Fig.6 - R ) in these bays ( Figure 5 - RS) engages and lateral slipping of the sticks is prevented.

3.) Gummilage3.) rubber layer

Das untere Material, die Gummilage (Fig.6 - R) ist widerstandsfähig und gegenüber der Oberlage (Fig.4 - U) aber elastisch. Sie wird an definierten Punkten der Wirbelsohle fixiert. In der vorliegenden Ausführung wird ein reiner Formverbund der Gummilage mit der Wirbelsohle (Fig.2) gezeigt. Die integrierte Gummilage greift hier mit entsprechenden Rippen (Fig.2 - F) wie ein Muskel in jeden einzelnen Wirbelkörper, die mit entsprechenden Aufnahmebuchten versehen sind. Nun kann die Gummilage mit ihrer elastischen Steuerung die einzelnen Wirbelkörper untereinander synchronisieren. Wird die Wirbelsohle nun beim Gehen oder im Demi Pointe nach oben gebogen, wird über den Zug auf die Gummilage eine gleichmäßig verlaufende Biegung der ganzen Sohle erreicht (Fig.1 - b). Der Formverbund der Gummilage mit der Wirbelsohle, ohne Klebungen oder mechanische Schraub-, Nagel- oder sonstige Verbindungselemente, ermöglichen einer Tänzerin mit wenigen Handgriffen Gummilagen mit alternativen Shore-Härten in ihre Sohle selber einzubringen, was insbesondere für Profitänzerinnen eine bisher unerreichte Erleichterung darstellt. Bei Dehnung nimmt die integrierte Gummilage, gegenüber flachen geklebten oder geschraubten Gummiunterschichten, zudem noch mehr dynamische Kraft auf, die sie beim Sprung oder beim Übergang zum Spitzenstand spürbar an den Fuß zurückgibt (Känguru Effekt). Zudem fungiert die integrierte Gummilage auch als mechanische und sichere Sperre gegen das seitliche Verrutschen der Sticks, die mit entsprechenden Buchten für die Gummilage versehen sind (Fig.5 - RS). Die Gummilage wird im gedehnten Zustand in die Wirbelsohle eingebracht und ermöglicht eine Vorspannung der Sohle. Dadurch wird die Wirbelsohle in den Bereichen ohne Sticks bereits leicht vorgebogen und schmiegt sich der natürlichen Wölbung der Fußsohle an. Das ist z.B. besonders hilfreich beim freien Strecken des Fußes.The lower material, the rubber layer ( Fig.6 - R ) is resistant and resistant to the top layer ( Fig.4 - U ) but elastic. It is fixed at defined points of the spine. In the present embodiment, a pure molding compound of the rubber layer with the spine ( Fig.2 ). The integrated rubber layer engages here with corresponding ribs ( Fig.2 - F ) Like a muscle in every single vertebral body, which are provided with corresponding receiving bays. Now the rubber layer with its elastic control can synchronize the individual vertebrae with each other. If the spine is bent upwards while walking or in the Demi Pointe, the train on the rubber layer results in a uniform bending of the whole sole ( Fig.1 - b ). The mold compound of the rubber layer with the spine, without gluing or mechanical screw, nail or other fasteners, allow a dancer with a few simple steps rubber layers with alternative Shore hardness in their sole yourself, which represents a previously unattained relief especially for professional dancers. When stretched, the integrated rubber layer absorbs even more dynamic force compared to flat glued or screwed rubber underlays, which noticeably returns to the foot when jumping or when moving to the top level (kangaroo effect). In addition, the integrated rubber layer also acts as a mechanical and secure barrier against the lateral slippage of the sticks, which are provided with corresponding bays for the rubber layer ( Figure 5 - RS). The rubber layer is in the stretched state in the spine introduced and allows a bias of the sole. As a result, the spine in the areas without sticks already slightly bent and clings to the natural curvature of the sole of the foot. This is especially helpful in free stretching of the foot.

Ohne Sticks und GummilageWithout sticks and rubber layer

Die Wirbelsohle erlangt auch ohne Gummilage und Sticks eine eingeschränkte Funktionalität, indem man die Winkel der Wirbelkörper und das mögliche Biegeverhalten vordefiniert, wobei jedoch die Möglichkeit ausgeschlossen ist, dass der Kunde später die Sohle an seine Fußform und den benötigten Biegewiderstand einstellen kann (Fig.4 - c). In der Produktion wird die Materialdicke der Wirbelsohle so gewählt, dass die Sohle eine relative Steifigkeit aufweist, d.h. dass bei durch das Körpergewicht definierten Kräften die Innensohle in beide Richtungen praktisch noch unbiegsam ist. Wird das Material der Wirbelsohle nun geschlitzt oder mit Bandscheibenbereichen verzahnt, ist das Material in diesen Wirbelbereichen in die Gegenrichtung der Schlitzungen nun relativ flexibel und wird zur anderen Richtung erst durch das Aufeinandertreffen der Wirbelkörper (Fig.4 - c) begrenzt. Mittels Sticks (S) kann aber auch hier das individuelle Biegeverhalten der Sohle ohne Gummilage gesteuert werden. Die Ausführung des intelligenten Wirbelsohlen Funktionssystems mit ihren drei funktionellen Grundkomponenten (Fig.2) verspricht jedoch ein feiner zu steuerndes und effektiveres Biegeverhalten der Innensohle.The spine gets a limited functionality even without rubber layer and sticks, by predefining the angles of the vertebral bodies and the possible bending behavior, but excluding the possibility that the customer can later adjust the sole to his foot shape and the required bending resistance ( Fig.4 - c ). In production, the material thickness of the spine is chosen so that the sole has a relative rigidity, ie that when defined by the body weight forces the insole is practically inflexible in both directions. If the material of the spine now slotted or toothed with intervertebral disc areas, the material is now relatively flexible in these vortex areas in the opposite direction of the slits and is only the other direction by the meeting of the vertebral bodies ( Fig.4 - c ) limited. By means of sticks (S) but also the individual bending behavior of the sole can be controlled without rubber layer. The execution of the intelligent spine functional system with its three basic functional components ( Fig.2 ) but promises a finer to be controlled and more effective bending behavior of the insole.

Montagesohle mit KlickschieneMounting sole with click rail

Das intelligente Wirbelsohlen Funktionssystem bietet auch innovative Lösungen für eine einfache Montage mit dem kompletten Spitzenschuh. Der äußere Spitzenschuh wird am Leisten mit allen Lagen und Kappenaufbauten an einer dünnen und flexiblen Montagesohle (Fig.7 - a) befestigt. Diese innere Montagesohle ist z. B. mit einer Klickschiene (Fig.7 - c) versehen. Die Außensohle wird im bekannten Verfahren auf die Montagesohle geklebt und presst schließlich alle Lagen fest zwischen Montagesohle und Außensohle. Der Leisten wird entfernt. Eine entsprechende Führung in der Wirbelsohle (Fig.2 - C) erlaubt es nun, das komplett montierte Wirbelsohlensystem in den fertigen Spitzenschuh einzubringen und über die Klickschiene zu schieben. Wenn die Wirbelsohle hörbar in den Klickverschluss einrastet ist sie fest mit dem äußeren Spitzenschuh verbunden. Die konkrete technische Ausführung dieses Systems zum Einrasten kann variieren.The intelligent spine functional system also offers innovative solutions for easy assembly with the complete pointe shoe. The outer pointe shoe is attached to the last with all layers and cap assemblies on a thin and flexible mounting sole ( Fig.7 - a ) attached. This inner mounting sole is z. B. with a click rail ( Fig.7 - c ) Mistake. The outsole is glued in the known method on the mounting base and finally presses all layers firmly between the mounting sole and outsole. The last is removed. A corresponding guide in the spine ( Fig.2 - C ) now allows the fully assembled spine system to be inserted into the finished pointe shoe and pushed over the click bar. When the spine audibly snaps into the click fastener, it is firmly connected to the outer pointe shoe. The specific technical design of this system for locking can vary.

Andere AnwendungenOther applications

Die Wirbelsohle als funktionelles intelligentes System von Innensohlen ist für etliche Anwendungen im allgemeinen, orthopädischen oder auch im Sportschuhbereich vorstellbar. Immer dann wenn komfortable Biegsamkeit im Zusammenspiel mit klar definierbaren Endpunkten der Biegsamkeit benötigt werden, wäre das modifizierte System Wirbelsohle eine naheliegende Lösung. Auch der o.g. Känguru-Effekt ist im Zusammenhang mit der Lagenstruktur einer Wirbelsohle z.B. auch für Sport- und Laufschuhe vorstellbar.The spine as a functional intelligent system of insoles is conceivable for a number of applications in general, orthopedic or in the sports shoe sector. Whenever comfortable flexibility is needed in conjunction with clearly definable endpoints of flexibility, the modified system spine would be an obvious solution. Also the o.g. Kangaroo effect is associated with the ply structure of a spine, e.g. also conceivable for sports and running shoes.

BEZUGSZEICHENAUFSTELLUNGREFERENCE SIGNS LIST

  • B = Wirbelsohle (backbone shank)B = spine (backbone shank)
  • V = Wirbelkörper (vertebral body)V = vertebral body
  • I = Bandscheibenbereiche (inter vertebral space)I = intervertebral space
  • C = Führung für Klickschiene (click bar)C = guide for click rail
  • S = sticks / inter-vertebral discs (Bandscheiben)S = sticks / inter-vertebral discs
  • R = Gummilage (rubber strap)R = rubber layer (rubber strap)
  • U = Oberlage (upper strap)U = upper strap
  • L = Unterlage (lower strap)L = lower strap
  • RS = Einbuchtung für Gummilage (rubber space in the middle of the sticks)RS = rubber space in the middle of the sticks
  • F = Rippen der Gummilage (fins of the rubber strap)F = ribbing of the rubber layer (fins of the rubber strap)
  • A = Winkel der Wirbelkörper (angle of the vertebral bodies)A = angle of the vertebral bodies

Claims (4)

  1. Insole device for shoes, in particular ballet pointe shoes, comprising a backbone shank consisting of vertebral bodies, in whose inter-vertebral spaces vertebral discs are inserted to allow for controllable flexibility of the sole, and further comprising a rubber layer arranged on the bottom of the sole,
    wherein the vertebral bodies (V) of the backbone shank (B) have centrally positioned recesses for a rubber layer (R), which undercut the material of the vertebral bodies (V) on either side,
    and wherein fins (F) are formed within the rubber layer (R), which slightly protrude on either side and slot into the said recesses on the vertebral bodies (V), with the lateral protrusions of the fins (F) accurately fitting into the undercuts of the recesses,
    and wherein the inter-vertebral discs are insertable or removable sticks (S) with centrally positioned recesses (RS) for the rubber layer (R), with which recesses the rubber layer (R) engages, thereby preventing the sticks (S) from slipping sideways.
  2. Insole device according to claim 1,
    wherein the sticks (S) are made of elastic materials having different shore hardnesses.
  3. Insole device according to claim 1 or 2,
    wherein the pointe shoe is equipped with an internal assembly sole provided with a click bar, and the backbone shank (B) has a guide track (C) that engages with said click bar when the backbone shank (B) is inserted into the pointe shoe.
  4. Use of the insole system according to any one of the preceding claims in a shoe selected from the group consisting of a ballet pointe shoe, an orthopaedic shoe, a sports shoe and a track shoe.
EP12075137.5A 2012-12-12 2012-12-12 Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes Active EP2742818B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12075137.5A EP2742818B1 (en) 2012-12-12 2012-12-12 Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes
ES12075137.5T ES2621223T3 (en) 2012-12-12 2012-12-12 Operating system of vertebral insole / template in particular for ballet pointe shoes
PCT/EP2013/003799 WO2014090413A1 (en) 2012-12-12 2013-12-10 Intelligent backbone shank functional system/insole, in particular for pointe ballet shoes (intelligent vertebral insole - backbone shank)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12075137.5A EP2742818B1 (en) 2012-12-12 2012-12-12 Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes

Publications (2)

Publication Number Publication Date
EP2742818A1 EP2742818A1 (en) 2014-06-18
EP2742818B1 true EP2742818B1 (en) 2017-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12075137.5A Active EP2742818B1 (en) 2012-12-12 2012-12-12 Vertebral insole - backbone shank function system / insole, in particular for pointed ballet shoes

Country Status (3)

Country Link
EP (1) EP2742818B1 (en)
ES (1) ES2621223T3 (en)
WO (1) WO2014090413A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11696616B2 (en) 2018-05-30 2023-07-11 Sophia LINDNER Dancing shoe, sole/toe unit, upper shoe, and kit consisting of a sole or a sole/toe unit and an upper shoe

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Publication number Priority date Publication date Assignee Title
DE102019102107A1 (en) 2019-01-29 2020-07-30 Reinhardt UG i.G. Sole device
CN111972773B (en) * 2020-08-19 2022-09-27 孔江君 Forming method of shoes

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IT246439Y1 (en) * 1998-10-28 2002-04-08 Michele Religioso CUTTING PERSONALIZED INSOLE.
FR2797214B1 (en) * 1999-08-03 2002-11-29 Salomon Sa FLEXIBLE STRUCTURE - RIGID
US8549774B2 (en) * 2005-11-15 2013-10-08 Nike, Inc. Flexible shank for an article of footwear
US8082682B2 (en) * 2009-01-29 2011-12-27 Margaret Karl Insole for a ballet slipper
DE202011004126U1 (en) * 2011-03-11 2011-06-09 Reinhardt, Angela, 10318 Spine Sole / (Backbone Shank) for Pointed Shoes & Shoes

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11696616B2 (en) 2018-05-30 2023-07-11 Sophia LINDNER Dancing shoe, sole/toe unit, upper shoe, and kit consisting of a sole or a sole/toe unit and an upper shoe

Also Published As

Publication number Publication date
WO2014090413A1 (en) 2014-06-19
EP2742818A1 (en) 2014-06-18
ES2621223T3 (en) 2017-07-03

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