EP0358643B1 - Running sole for sports shoes - Google Patents

Running sole for sports shoes Download PDF

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Publication number
EP0358643B1
EP0358643B1 EP88902401A EP88902401A EP0358643B1 EP 0358643 B1 EP0358643 B1 EP 0358643B1 EP 88902401 A EP88902401 A EP 88902401A EP 88902401 A EP88902401 A EP 88902401A EP 0358643 B1 EP0358643 B1 EP 0358643B1
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EP
European Patent Office
Prior art keywords
sole
carrier element
region
outsole
outsole according
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.)
Expired - Lifetime
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EP88902401A
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German (de)
French (fr)
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EP0358643A1 (en
Inventor
Wolf Anderie
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Adidas AG
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Adidas AG
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Priority to AT88902401T priority Critical patent/ATE70953T1/en
Publication of EP0358643A1 publication Critical patent/EP0358643A1/en
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    • 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
    • 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 an outsole for sports shoes, with a carrier element made of relatively hard material and with relatively softer sole parts attached to the carrier element on the barrel side.
  • the sole parts made of very flexible rubber or corresponding elastomeric material are fastened to a carrier element, which in turn is made of a relatively hard material, e.g. made of hard rubber or light metal, and is consequently overall stiff.
  • the carrier element is curved in the longitudinal direction of the sole on its underside and has such a thickness in the joint region that it comes into contact with the ground between the sole parts fastened on the front sole and in the heel region and is effective as a support.
  • the object of the invention is to provide an outsole of this type in which the supporting and guiding function is not impaired by the resilient sole parts.
  • the support element is a sole plate with stiffening walls that are approximately perpendicular to the plate surface and largely follow the contour of the sole edge, and in order to achieve a deformability of the support element in the joint area, the height of the stiffening walls in the joint area of the sole plate is at least locally emphasized less than in Heel area of the soleplate is.
  • the invention is based on the consideration that the supporting and guiding function which the outsole is to have in relation to the foot must not be transferred to the dimensionally stable support element to such an extent that the foot can no longer exercise its natural movement.
  • this supporting and guiding function requires control by the foot itself; this cannot be achieved by a carrier element alone and is consequently switched off by a rigid, non-deformable carrier element.
  • the support element in the outsole according to the invention is designed as a somewhat dimensionally stable sole plate, which is, however, fixed by a "frame" of lateral stiffening walls in the manner of a double-T support.
  • the height of the lateral stiffening walls can be changed without changing the thickness of the soleplate itself this fixation and thus the longitudinal rigidity would have to be set very specifically. It is ensured by a reduced height of the stiffening walls in the joint area that the sole plate there can perform both a bending about a transverse axis and a torsion about a longitudinal axis in order to be able to follow the corresponding foot movements during the rolling process to the necessary extent.
  • the carrier element can therefore develop the desired support and guidance function without impairing and tiring the runner's mileage due to an unnatural posture and foot movement.
  • the other essential function of cushioning in the event of an impact and during the entire rolling process is carried out exclusively by the soft, flexible sole parts which are fastened to the underside of the carrier element.
  • the weight of the support element can be considerably reduced in comparison to the known design described at the outset, since the support element maintains its stiffness through training in the manner of a double-T profile or box profile.
  • the carrier element consists of hard-set plastic materials, for example of polyamide or polyurethane, which may be reinforced with carbon fibers or glass fibers. Because of their hard setting, these materials have a low compressive and tensile deformability, but they are resilient to the extent necessary that the support element can undergo beige and torsional deformation, at least to the extent described.
  • stiffening walls only protrude upward or downward beyond the soleplate, so that both are possible within the scope of the invention.
  • it has a particular advantage to let the stiffening walls protrude upwards and downwards over the soleplate, because this creates lateral boundary edges or frames for the sole elements attached on the running side, by means of which lateral deflection of the resilient sole parts under load and a consequent "Swimming" can be prevented.
  • It can be considered not to firmly connect the sole parts to the side walls surrounding them, for example by gluing or direct casting, in order to promote the compression deformation into the interior of the frames formed by the side walls.
  • the part of the side walls which projects upwards above the sole plate and which can be connected to the shoe upper forms a surround for the foot itself and thereby promotes the described support and guiding function of the carrier element.
  • the sole parts to be fastened to the carrier element can be arranged thereon either permanently or releasably. Since the supporting and guiding function of the sole is carried out exclusively by the support element, the sole parts can be designed solely from the point of view of optimal cushioning and can also be arranged only in the areas of the outsole where the cushioning function requires this and a more significant one Ground contact is to be expected.
  • the sole parts arranged on the front sole and in the heel area are expediently separated from one another, so that they are spaced apart from one another in the joint area.
  • the deformation behavior of the carrier element is not influenced by the normally plate-shaped sole parts.
  • one of the two sole parts, which are located are located on the front sole or in the heel area, a narrow projection extending in the longitudinal direction of the sole is provided, which protrudes into the joint area and is connected to the underside of the sole plate. Due to the one-piece connection with the associated sole part, the bending stiffness of the support element in the joint area can be increased, depending on the stiffness of this projection itself.
  • a separate sole part can also be arranged in the joint area, which is not connected to the sole parts located in front of and behind it and essentially serves only as a support. In this case, the bending behavior of the carrier element remains largely unaffected.
  • the outsole according to the invention shown in the drawings essentially consists of a support element designated as a whole by 1 and two sole parts 2 and 3 fastened to the underside of the sole, which are fastened in the front sole area and in the heel area of the support element.
  • the support element in turn consists of a continuous sole plate 11 shown in broken lines in FIG. 1, which has a thickness of only about 1.5 to 3 mm, and of lateral stiffening walls 13, 14 and 16, 17.
  • the stiffening walls 13, 14 are on The inner sole edge of the sole plate 1 is formed integrally therewith and extends along the edge contour thereof, the stiffening wall 13 being limited to the front sole area and only protruding downward beyond the sole plate 11, while the stiffening wall 14 begins at the end of the front sole area, in the hinge area 4 gradually increases, reaches its maximum at the end of the joint area and in the transition to the heel area and then drops again to the very low height towards the heel apex line 5. While at the end of the front sole area and in the joint area 4 the stiffening wall 14 only protrudes upwards over the sole plate 11, it extends both upwards and downwards in the heel area.
  • the outer sole edge of the carrier element 1 is designed in a similar manner according to FIG. 2.
  • the stiffening wall 16 limited to the front sole region protrudes only downward beyond the sole plate 11, while in the joint region 4 and in the heel region the stiffening wall 17 provided there protrudes both upwards and downwards.
  • the carrier element 1 consists of a hard set polyamide or polyurethane, which may be reinforced by carbon or glass fibers.
  • the sole plate 11 in An opening 18 in the front sole area and an opening 19 in the heel area, in which the upper side of the sole parts 2 and 3 are exposed and the edges of which are sharpened in order to avoid pressure points.
  • the stiffening walls 13 and 16 provided in the front sole area can have incisions 15 extending from the lower edge thereof, which serve to reduce the bending stiffness about a transverse axis of the front sole area of the support element 1, without the height of the stiffening walls 13 and 16, which surround the sole part 2 to reduce.
  • the sole parts 2 and 3 consist of any sole material which has damping properties, e.g. made of foamed polyurethane with a Shore hardness in the range from 30 to 70. They have essentially a plate shape and have the contour shown in FIG. 4. In addition, they have a profile 21 or 31 only indicated in FIG. 4, which is formed in the exemplary embodiment by small cup-shaped recesses. In addition, a "turning circle" 22 in the form of an annular profile is provided in the ball center of the sole part 2.
  • the rear sole part 3 has a section 32 projecting obliquely to the longitudinal direction of the sole, which is firmly connected to the underside of the sole plate 11 and ends shortly before the rear edge of the sole part 2.
  • This projection 32 is considerably narrower than the support element 11 in the joint area 4 and therefore only contributes to a small extent to the increase in the bending stiffness of the support element 1 in the joint area 4, but has almost no influence on the torsional rigidity thereof.
  • the sole parts 2 and 3 are firmly connected to the underside of the sole plate 11, e.g. glued.
  • the sole plate can have openings of a different design and also each have a plurality of them, which ensure that that in these sections the sole plate allows a certain amount of deformation in order to better support the foot on the resilient and steaming sole parts 2 and 3 arranged underneath. Furthermore, it can be considered to provide the sole plate 11 in the joint area 4 with longitudinal or inclined recesses or openings in order to control the torsion and bending ability of the support element 1.
  • the outsole according to the invention can be connected in the usual way to a shoe upper, not shown, e.g. are glued, whereby the lateral stiffening walls are also connected to the shaft parts covered by them. Due to the construction described, the outsole is light and provides a good support and guidance function in connection with any damping that can be selected, which can be adjusted independently of the carrier element by appropriate selection of material and thickness of the sole parts.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

PCT No. PCT/DE88/00162 Sec. 371 Date Sep. 27, 1989 Sec. 102(e) Date Sep. 27, 1989 PCT Filed Mar. 17, 1988 PCT Pub. No. WO88/08677 PCT Pub. Date Nov. 17, 1988.An outsole for sports shoes comprising a carrier element (1) of relatively hard material and relatively soft sole portions (2, 3) which are secured to the carrier element on the outward side thereof. The carrier element (1) comprises a sole plate (11) which is stiffened by stiffening wells which are disposed approximately perpendicular to the surface of the plate and which substantially follow the contour of the edge of the sole. To provide for deformability of the carrier element (1), in the shank region (4) the height of the stiffening walls (13, 14) is at least locally markedly lower than in the heel region of the sole plate (FIG. 1).

Description

Die Erfindung betrifft eine Laufsohle für Sportschuhe, mit einem Trägerelement aus relativ hartem Material und mit an dem Trägerelement laufseitig befestigten, relativ weicheren Sohlenteilen.The invention relates to an outsole for sports shoes, with a carrier element made of relatively hard material and with relatively softer sole parts attached to the carrier element on the barrel side.

Bei einer bekannten Sportschuhsohle der vorstehend angegebenen Art (US-PS 40 30 213) sind die aus sehr nachgiebigem Gummi oder entsprechendem elastomerem Material bestehenden Sohlenteile an einem Trägerelement befestigt, das seinerseits aus einem verhältnismässig harten Material, z.B. aus Hartgummi oder Leichtmetall, besteht und folglich insgesamt steif ist. Das Trägerelement ist in Sohlenlängsrichtung auf seiner Unterseite bogenförmig gekrümmt und weist im Gelenkbereich eine solche Dicke auf, daß es dort zwischen den auf der Vordersohle und im Fersenbereich befestigten Sohlenteilen mit dem Boden in Kontakt kommt und als Abstützung wirksam ist. Hinter dieser Laufsohlenkonstruktion steht die Absicht, mittels des Trägerelements beim Lauf und insbesondere beim Abrollvorgang des Fusses diesen fest und in seiner Lage relativ gleichbleibend zu unterstützen, jedoch - durch die weich nachgiebigen Sohlenteile - eine weitgehende Aufpralldämpfung und einen gewissen Katapulteffekt zu erzielen.In a known sports shoe sole of the type specified above (US-PS 40 30 213), the sole parts made of very flexible rubber or corresponding elastomeric material are fastened to a carrier element, which in turn is made of a relatively hard material, e.g. made of hard rubber or light metal, and is consequently overall stiff. The carrier element is curved in the longitudinal direction of the sole on its underside and has such a thickness in the joint region that it comes into contact with the ground between the sole parts fastened on the front sole and in the heel region and is effective as a support. Behind this outsole construction is the intention, by means of the support element during the run and in particular during the rolling process of the foot, to support the foot firmly and in a relatively constant position, but to achieve extensive impact absorption and a certain catapult effect through the soft, flexible sole parts.

Durch diese bekannte Sohlenkonstruktion wird zwar aufgrund der Anordnung der weich nachgiebigen Sohlenteile unter dem unverformbaren steifen Trägerelement eine gute Aufpralldämpfung erzielt. Nachteilig daran ist jedoch, daß das steife Trägerelement den natürlichen Abroll- und Bewegungsvorgang des Fusses völlig unterbindet und die dadurch beabsichtigte Stütz- und Führungsfunktion sehr weitgehend durch die nachgiebigen Sohlenteile beeinträchtigt wird.This known sole construction does provide good impact absorption due to the arrangement of the soft, resilient sole parts under the non-deformable rigid support element achieved. The disadvantage of this, however, is that the rigid support element completely prevents the natural rolling and movement process of the foot and the intended support and guiding function is very largely impaired by the resilient sole parts.

Aufgabe der Erfindung ist es, eine Laufsohle dieser Art zu schaffen, bei der die Stütz- und Führungsfunktion nicht durch die nachgiebigen Sohlenteile beeinträchtigt wird.The object of the invention is to provide an outsole of this type in which the supporting and guiding function is not impaired by the resilient sole parts.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß das Trägerelement eine Sohlenplatte mit annähernd senkrecht zur Plattenfläche stehenden, weitgehend der Sohlenrandkontur folgenden Versteifungswänden ist, und daß zur Erzielung einer Verformbarkeit des Trägerelements im Gelenkbereich die Höhe der Versteifungswände im Gelenkbereich der Sohlenplatte zumindest örtlich betont geringer als im Fersenbereich der Sohlenplatte ist.According to the invention, this object is achieved in that the support element is a sole plate with stiffening walls that are approximately perpendicular to the plate surface and largely follow the contour of the sole edge, and in order to achieve a deformability of the support element in the joint area, the height of the stiffening walls in the joint area of the sole plate is at least locally emphasized less than in Heel area of the soleplate is.

Die Erfindung beruht auf der Überlegung, daß die Stütz- und Führungsfunktion, die die Laufsohle in Bezug auf den Fuß haben soll, nicht so weitgehend dem formsteifen Trägerelement übertragen werden darf, daß der Fuß seine natürliche Bewegung nicht mehr ausüben kann. Wie biomechanische Untersuchungen gezeigt haben, bedarf nämlich diese Stütz- und Führungsfunktion einer Steuerung durch den Fuß selbst; diese kann durch ein Trägerelement allein nicht erbracht werden und wird durch ein steifes unverformbares Trägerelement folglich ausgeschaltet. Aus diesem Grund ist das Trägerelement bei der erfindungsgemässen Laufsohle als eine an sich etwas formsteife sohlenplatte gestaltet, die jedoch durch einen "Rahmen" von seitlichen Versteifungswänden nach Art eines Doppel-T-Trägers fixiert ist. Durch die Höhe der seitlichen Versteifungswände kann, ohne daß an der Dicke der Sohlenplatte selbst etwas geändert werden müsste, diese Fixierung und damit die Längssteifigkeit sehr gezielt eingestellt werden. Dabei ist durch eine verringerte Höhe der Versteifungswände im Gelenkbereich dafür gesorgt, daß dort die Sohlenplatte sowohl eine Verbiegung um eine Querachse als auch eine Torsion um eine Längsachse ausführen kann, um den entsprechenden Fußbewegungen beim Abrollvorgang in dem notwendigen Ausmaß folgen zu können. Im Verein mit der geschilderten Steuerung durch den Läufer selbst kann daher das Trägerelement die gewünschte Stütz- und Führungsfunktion entfalten, ohne den Läufer durch eine unnatürliche Fußhaltung und Fußbewegung in seiner Laufleistung zu beeinträchtigen und zu ermüden. Die weitere wesentliche Funktion des Dämpfens beim Aufprall und während des ganzen Abrollvorganges übernehmen ausschließlich die weich nachgiebigen Sohlenteile, die an der Unterseite des Trägerelements befestigt sind.The invention is based on the consideration that the supporting and guiding function which the outsole is to have in relation to the foot must not be transferred to the dimensionally stable support element to such an extent that the foot can no longer exercise its natural movement. As biomechanical studies have shown, this supporting and guiding function requires control by the foot itself; this cannot be achieved by a carrier element alone and is consequently switched off by a rigid, non-deformable carrier element. For this reason, the support element in the outsole according to the invention is designed as a somewhat dimensionally stable sole plate, which is, however, fixed by a "frame" of lateral stiffening walls in the manner of a double-T support. The height of the lateral stiffening walls can be changed without changing the thickness of the soleplate itself this fixation and thus the longitudinal rigidity would have to be set very specifically. It is ensured by a reduced height of the stiffening walls in the joint area that the sole plate there can perform both a bending about a transverse axis and a torsion about a longitudinal axis in order to be able to follow the corresponding foot movements during the rolling process to the necessary extent. In conjunction with the control described by the runner himself, the carrier element can therefore develop the desired support and guidance function without impairing and tiring the runner's mileage due to an unnatural posture and foot movement. The other essential function of cushioning in the event of an impact and during the entire rolling process is carried out exclusively by the soft, flexible sole parts which are fastened to the underside of the carrier element.

Ein wesentlicher, mit der geschilderten Konzeption einhergehender Vorteil besteht darin, daß infolge der Ausbildung des Trägerelements als (dünne) Sohlenplatte mit seitlichen Versteifungswänden das Gewicht des Trägerelements im Vergleich zu der eingangs geschilderten bekannten Ausführung erheblich vermindert werden kann, da das Trägerelement seine Formsteifigkeit durch Ausbildung nach Art eines Doppel-T-Profils oder Kastenprofils erhält. Zur Erzielung der gewünschten Formstabilität des Trägerelements besteht dieses aus hart eingestellten Kunstoffmaterialien, z.B. aus Polyamid oder Polyurethan, die ggf. mit Kohlefasern oder Glasfasern verstärkt sind. Diese Materialien haben aufgrund ihrer harten Einstellung eine geringe Druck- und Zugverformbarkeit, jedoch sind sie in dem notwendigen Ausmaß biegeelastisch, so daß das Trägerelement zumindest in dem geschilderten Ausmaß eine Beige- und Torsionsverformung erfahren kann. Aus Steifigkeitsgründen ist es im Prinzip gleichgültig, ob die Versteifungswände nur nach oben oder nach unten über die Sohlenplatte hinausragen, so daß beides im Rahmen der Erfindung möglich ist. Es hat jedoch einen besonderen Vorteil, die Versteifungswände nach oben und nach unten über die Sohlenplatte hinausragen zu lassen, weil hierdurch für die laufseitig angebrachten Sohlenelemente seitliche Begrenzungsränder oder Rahmen geschaffen werden, durch die ein seitliches Ausweichen der nachgiebigen Sohlenteile bei der Belastung und ein dadurch bedingtes "Schwimmen" verhindert werden. Dabei kann daran gedacht werden, die Sohlenteile mit den sie umfassenden seitlichen Wänden nicht fest, z.B. durch Klebung oder direktes Angießen, zu verbinden, um die Druckverformung in das Innere der durch die Seitenwände gebildeten Rahmen hinein zu begünstigen. Andererseits bildet der nach oben über die Sohlenplatte überstehende Teil der Seitenwände, der mit dem Schuhschaft verbunden sein kann, eine Umfassung für den Fuß selbst und fördert dadurch die beschriebene Stütz- und Führungsfunktion des Trägerelements. Die an dem Trägerelement zu befestigenden Sohlenteile können entweder fest oder lösbar daran angeordnet sein. Da die Stütz- und Führungsfunktion der Sohle ausschließlich durch das Trägerelement über- nommen wird, können die Sohlenteile allein nach den Gesichtspunkten einer optimalen Dämpfung ausgebildet und auch nur in den Bereichen der Laufsohle angeordnet sein, in denen die Dämpfungsfunktion dies erfordert und ein ins Gewicht fallender Bodenkontakt zu erwarten ist. So sind zweckmässigerweise die auf der Vordersohle und im Fersenbereich angeordneten Sohlenteile voneinander getrennt, so daß sie im Gelenkbereich einen Abstand voneinander aufweisen. Hierdurch wird das Verformungsverhalten des Trägerelements durch die normalerweise plattenförmig ausgebildeten Sohlenteile nicht beeinflusst. Wenn eine solche Beeinflussung jedoch in einem gewissen Ausmaß erwünscht ist, kann an einem der beiden Sohlenteile, die sich auf der Vordersohle oder im Fersenbereich befinden, ein sich in Sohlenlängsrichtung erstreckender schmaler Vorsprung vorgesehen sein, der in den Gelenkbereich hineinragt und mit der Unterseite der Sohlenplatte verbunden ist. Aufgrund der einstückigen Verbindung mit dem zugehörigen Sohlenteil kann dadurch die Biegesteifigkeit des Trägerelements im Gelenkbereich, abhängig von der Beigesteifigkeit dieses Vorsprunges selbst, erhöht werden. Andererseits kann aber auch im Gelenkbereich ein gesonderter Sohlenteil angeordnet sein, der mit den davor und dahinter befindlichen Sohlenteilen nicht in Verbindung steht und im wesentlichen nur als Abstützung dient. In diesem Fall bleibt des Biegeverhalten des Trägerelements dadurch weitgehend unbeeinflusst.An essential advantage associated with the described design is that, due to the design of the support element as a (thin) soleplate with lateral stiffening walls, the weight of the support element can be considerably reduced in comparison to the known design described at the outset, since the support element maintains its stiffness through training in the manner of a double-T profile or box profile. In order to achieve the desired dimensional stability of the carrier element, it consists of hard-set plastic materials, for example of polyamide or polyurethane, which may be reinforced with carbon fibers or glass fibers. Because of their hard setting, these materials have a low compressive and tensile deformability, but they are resilient to the extent necessary that the support element can undergo beige and torsional deformation, at least to the extent described. For reasons of rigidity, it is in principle irrelevant whether the stiffening walls only protrude upward or downward beyond the soleplate, so that both are possible within the scope of the invention. However, it has a particular advantage to let the stiffening walls protrude upwards and downwards over the soleplate, because this creates lateral boundary edges or frames for the sole elements attached on the running side, by means of which lateral deflection of the resilient sole parts under load and a consequent "Swimming" can be prevented. It can be considered not to firmly connect the sole parts to the side walls surrounding them, for example by gluing or direct casting, in order to promote the compression deformation into the interior of the frames formed by the side walls. On the other hand, the part of the side walls which projects upwards above the sole plate and which can be connected to the shoe upper forms a surround for the foot itself and thereby promotes the described support and guiding function of the carrier element. The sole parts to be fastened to the carrier element can be arranged thereon either permanently or releasably. Since the supporting and guiding function of the sole is carried out exclusively by the support element, the sole parts can be designed solely from the point of view of optimal cushioning and can also be arranged only in the areas of the outsole where the cushioning function requires this and a more significant one Ground contact is to be expected. Thus, the sole parts arranged on the front sole and in the heel area are expediently separated from one another, so that they are spaced apart from one another in the joint area. As a result, the deformation behavior of the carrier element is not influenced by the normally plate-shaped sole parts. However, if such an influence is desired to a certain extent, one of the two sole parts, which are located are located on the front sole or in the heel area, a narrow projection extending in the longitudinal direction of the sole is provided, which protrudes into the joint area and is connected to the underside of the sole plate. Due to the one-piece connection with the associated sole part, the bending stiffness of the support element in the joint area can be increased, depending on the stiffness of this projection itself. On the other hand, however, a separate sole part can also be arranged in the joint area, which is not connected to the sole parts located in front of and behind it and essentially serves only as a support. In this case, the bending behavior of the carrier element remains largely unaffected.

Andere vorteilhafte Ausgestaltungen ergeben sich aus weiteren Unteransprüchen.Other advantageous embodiments result from further subclaims.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der beiliegenden Zeichnungen näher erläutert. In den Zeichnungen zeigen:

  • Fig. 1 eine Seitenansicht einer erfindungsgemässen Laufsohle von der Fußinnenseite her;
  • Fig. 2 eine Seitenansicht von der Fußaußenseite her;
  • Fig. 3 eine Draufsicht auf die Laufsohle gemäß den Fig. 1 und 2;
  • Fig. 4 eine Untenansicht der Laufsohle, und
  • Fig. 5 eine Rückansicht der Laufsohle, gesehen in Richtung des Pfeiles V in Fig. 2.
An embodiment of the invention is explained below with reference to the accompanying drawings. The drawings show:
  • 1 shows a side view of an outsole according to the invention from the inside of the foot;
  • Fig. 2 is a side view from the outside of the foot;
  • 3 shows a plan view of the outsole according to FIGS. 1 and 2;
  • Fig. 4 is a bottom view of the outsole, and
  • 5 is a rear view of the outsole, seen in the direction of arrow V in FIG. 2nd

Die in den Zeichnungen dargestellte erfindungsgemässe Laufsohle besteht im wesentlichen aus einem im Ganzen mit 1 bezeichneten Trägerelement und zwei an dessen Unterseite befestigten Sohlenteilen 2 und 3, die im Vordersohlenbereich bzw. im Fersenbereich des Trägerelements befestigt sind. Das Trägerelement seinerseits besteht aus einer durchgehenden, in Fig. 1 gestrichelt eingezeichneten Sohlenplatte 11, die eine Dicke von nur etwa 1,5 bis 3 mm hat, sowie aus seitlichen Versteifungswänden 13, 14 und 16, 17. Die Versteifungswände 13, 14 sind am inneren Sohlenrand der Sohlenplatte 1 einstückig mit dieser ausgebildet und erstrecken sich längs deren Randkontur, wobei die Versteifungswand 13 auf den Vordersohlenbereich beschränkt ist und nur nach unten über die Sohlenplatte 11 hinausragt, während die Versteifungswand 14 am Ende des Vordersohlenbereiches beginnt, im Gelenkbereich 4 an Höhe allmählich zunimmt, am Ende des Gelenkbereiches und im Übergang zum Fersenbereich ihr Maximum erreicht und dann zur Fersenscheitellinie 5 hin wieder auf eine sehr geringe Höhe abfällt. Während am Ende des Vordersohlenbereiches und im Gelenkbereich 4 die Versteifungswand 14 nur nach oben über die Sohlenplatte 11 hinausragt, erstreckt sie sich im Fersenbereich sowohl nach oben als auch nach unten.The outsole according to the invention shown in the drawings essentially consists of a support element designated as a whole by 1 and two sole parts 2 and 3 fastened to the underside of the sole, which are fastened in the front sole area and in the heel area of the support element. The support element in turn consists of a continuous sole plate 11 shown in broken lines in FIG. 1, which has a thickness of only about 1.5 to 3 mm, and of lateral stiffening walls 13, 14 and 16, 17. The stiffening walls 13, 14 are on The inner sole edge of the sole plate 1 is formed integrally therewith and extends along the edge contour thereof, the stiffening wall 13 being limited to the front sole area and only protruding downward beyond the sole plate 11, while the stiffening wall 14 begins at the end of the front sole area, in the hinge area 4 gradually increases, reaches its maximum at the end of the joint area and in the transition to the heel area and then drops again to the very low height towards the heel apex line 5. While at the end of the front sole area and in the joint area 4 the stiffening wall 14 only protrudes upwards over the sole plate 11, it extends both upwards and downwards in the heel area.

In ähnlicher Weise ist der Sohlenaußenrand des Trägerelements 1 entsprechend Fig. 2 gestaltet. Dort ragt die auf den Vordersohlenbereich beschränkte Versteifungswand 16 nur nach unten über die Sohlenplatte 11 hinaus, während im Gelenkbereich 4 und im Fersenbereich die dort vorgesehene Versteifungswand 17 sowohl nach oben wie nach unten übersteht.The outer sole edge of the carrier element 1 is designed in a similar manner according to FIG. 2. There, the stiffening wall 16 limited to the front sole region protrudes only downward beyond the sole plate 11, while in the joint region 4 and in the heel region the stiffening wall 17 provided there protrudes both upwards and downwards.

Das Trägerelement 1 besteht aus einem hart eingestellten Polyamid oder Polyurethan, das ggf. durch Kohle- oder Glasfasern verstärkt ist.The carrier element 1 consists of a hard set polyamide or polyurethane, which may be reinforced by carbon or glass fibers.

Wie aus Fig. 3 hervorgeht, weist die Sohlenplatte 11 im Vordersohlenbereich einen Durchbruch 18 und im Fersenbereich einen Durchbruch 19 auf, in denen die Oberseite der Sohlenteile 2 bzw. 3 freiliegt und deren Ränder ausgeschärft sind, um Druckstellen zu vermeiden. Außerdem können die im Vordersohlenbereich vorgesehenen Versteifungswände 13 und 16 von deren unterem Rand ausgehende Einschnitte 15 aufweisen, die dazu dienen, die Biegesteifigkeit um eine Querachse des Vordersohlenbereiches des Trägerelements 1 zu verringern, ohne die Höhe der Versteifungswände 13 und 16, die den Sohlenteil 2 einfassen, verringern zu müssen.As is apparent from Fig. 3, the sole plate 11 in An opening 18 in the front sole area and an opening 19 in the heel area, in which the upper side of the sole parts 2 and 3 are exposed and the edges of which are sharpened in order to avoid pressure points. In addition, the stiffening walls 13 and 16 provided in the front sole area can have incisions 15 extending from the lower edge thereof, which serve to reduce the bending stiffness about a transverse axis of the front sole area of the support element 1, without the height of the stiffening walls 13 and 16, which surround the sole part 2 to reduce.

Die Sohlenteile 2 und 3 bestehen aus einem beliebigen, Dämpfungseigenschaften aufweisenden Sohlenwerkstoff, z.B. aus geschäumtem Polyurethan mit einer Shore-Härte im Bereich von 30 bis 70. Sie besitzen im wesentlichen Plattenform und haben die aus Fig. 4 ersichtliche Kontur. Außerdem weisen sie eine in Fig. 4 nur angedeutete Profilierung 21 bzw. 31 auf, die im Ausführungsbeispiel durch kleine napfförmige Ausnehmungen gebildet ist. Außerdem ist im Ballenzentrum des Sohlenteils 2 ein "Drehkreis" 22 in Form eines Ringprofils vorgesehen. Der hintere Sohlenteil 3 besitzt einen schräg zur Sohlenlängsrichtung vorspringenden Abschnitt 32, der fest mit der Unterseite der Sohlenplatte 11 verbunden ist und kurz vor dem hinteren Rand des Sohlenteils 2 endet. Dieser Vorsprung 32 ist erheblich schmaler als das Trägerelement 11 im Gelenkbereich 4 und trägt daher lediglich in einem geringen Ausmaß zur Erhöhung der Biegesteifigkeit des Trägerelements 1 im Gelenkbereich 4 bei, beeinflusst jedoch die Torsionssteifigkeit davon fast nicht. Die Sohlenteile 2 und 3 sind mit der Unterseite der Sohlenplatte 11 fest verbunden, z.B. verklebt.The sole parts 2 and 3 consist of any sole material which has damping properties, e.g. made of foamed polyurethane with a Shore hardness in the range from 30 to 70. They have essentially a plate shape and have the contour shown in FIG. 4. In addition, they have a profile 21 or 31 only indicated in FIG. 4, which is formed in the exemplary embodiment by small cup-shaped recesses. In addition, a "turning circle" 22 in the form of an annular profile is provided in the ball center of the sole part 2. The rear sole part 3 has a section 32 projecting obliquely to the longitudinal direction of the sole, which is firmly connected to the underside of the sole plate 11 and ends shortly before the rear edge of the sole part 2. This projection 32 is considerably narrower than the support element 11 in the joint area 4 and therefore only contributes to a small extent to the increase in the bending stiffness of the support element 1 in the joint area 4, but has almost no influence on the torsional rigidity thereof. The sole parts 2 and 3 are firmly connected to the underside of the sole plate 11, e.g. glued.

Abweichend von den in Fig. 3 gezeigten Durchbrüchen 18, 19 kann die Sohlenplatte anders gestaltete Durchbrüche und auch jeweils eine Mehrzahl davon aufweisen, die dafür sorgen, daß in diesen Abschnitten die Sohlenplatte eine gewisse Verformung gestattet, um den Fuß besser auf den darunter angeordneten nachgiebigen und dampfenden Sohlenteilen 2 und 3 abzustützen. Weiterhin kann daran gedacht werden, die Sohlenplatte 11 auch noch im Gelenkbereich 4 mit längs- oder schrägverlaufenden Ausnehmungen oder Durchbrüchen zu versehen, um hierdurch die Torsions- und Biegefähigkeit des Trägerelements 1 zu steuern.Deviating from the openings 18, 19 shown in FIG. 3, the sole plate can have openings of a different design and also each have a plurality of them, which ensure that that in these sections the sole plate allows a certain amount of deformation in order to better support the foot on the resilient and steaming sole parts 2 and 3 arranged underneath. Furthermore, it can be considered to provide the sole plate 11 in the joint area 4 with longitudinal or inclined recesses or openings in order to control the torsion and bending ability of the support element 1.

Die erfindungsgemässe Laufsohle kann in üblicher Weise mit einem nicht dargestellten Schuhschaft verbunden, z.B. verklebt, werden, wobei die seitlichen Versteifungswände mit den davon bedeckten Schaftteilen ebenfalls verbunden werden. Aufgrund der geschilderten Konstruktion ist die Laufsohle leicht und ergibt eine gute Stütz- und Führungsfunktion in Verbindung mit einer beliebig wählbaren Dämpfung, die durch entsprechende Auswahl von Material und Dicke der Sohlenteile unabhängig von dem Trägerelement eingestellt werden kann.The outsole according to the invention can be connected in the usual way to a shoe upper, not shown, e.g. are glued, whereby the lateral stiffening walls are also connected to the shaft parts covered by them. Due to the construction described, the outsole is light and provides a good support and guidance function in connection with any damping that can be selected, which can be adjusted independently of the carrier element by appropriate selection of material and thickness of the sole parts.

Claims (9)

1. An outsole for sports shoes comprising a carrier element (1) of relatively hard material and relatively softer sole portions (2, 3) which are secured to the carrier element (1) on the outward side thereof, characterised in that the carrier element (1) is a sole plate (11) with stiffening walls (13, 14, 16, 17) which are disposed approximately perpendicularly to the surface of the sole plate and which substantially follow the contour of the edge of the sole, and that to provide for deformability of the carrier element (1) in the shank region (4) the height of the stiffening walls (3, 14, 16, 17) in the shank region (4) of the sole plate (11) is at least locally markedly lower than in the heel region of the sole plate.
2. An outsole according to claim 1 characterised in that the stiffening walls (14, 17) project upwardly and downwardly beyond the sole plate (11).
3. An outsole according to claim 1 or claim 2 characterised in that the height of the stiffening walls (14, 17) decreases in the heel region towards the apex line (5).
4. An outsole according to one of claims 1 to 3 characterised in that in the front sole region the stiffening walls (13, 16) have grooves (15) to control the local deformability of the carrier element (1).
5. An outsole according to one of claims 1 to 4 characterised in that the downwardly projecting stiffening walls form holding frames for the sole portions (2, 3).
6. An outsole according to one of claims 1 to 5 characterised in that the sole plate (11) is provided at least in the heel region with one or more apertures (19) in which the sole portion (3) disposed therebeneath is exposed.
7. An outsole according to one of claims 1 to 6 characterised in that the sole portions (2 and 3) arranged in the front sole region and the heel region respectively of the carrier element (1) are separated from each other and keep the shank region (4) of the carrier element substantially free.
8. An outsole according to claim 7 characterised in that a separate sole portion is arranged in the shank region (4).
9. An outsole according to one of claims 1 to 7 characterised in that provided in the shank region is a projection (32), which extends in the longitudinal direction of the sole and which is connected to the underside of the sole plate (11), of one of the sole portions (2, 3) which are arranged in the front sole region and in the heel region respectively, said projection being substantially narrower than the carrier element (1).
EP88902401A 1987-05-15 1988-03-17 Running sole for sports shoes Expired - Lifetime EP0358643B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88902401T ATE70953T1 (en) 1987-05-15 1988-03-17 OUTSOLE FOR SPORTS SHOES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3716424 1987-05-15
DE19873716424 DE3716424A1 (en) 1987-05-15 1987-05-15 OUTSOLE FOR SPORTSHOES

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EP0358643A1 EP0358643A1 (en) 1990-03-21
EP0358643B1 true EP0358643B1 (en) 1992-01-02

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US (1) US5131173A (en)
EP (1) EP0358643B1 (en)
JP (1) JPH0687805B2 (en)
KR (1) KR940010326B1 (en)
AT (1) ATE70953T1 (en)
AU (1) AU1425688A (en)
CA (1) CA1333328C (en)
DE (2) DE3716424A1 (en)
WO (1) WO1988008677A1 (en)

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Also Published As

Publication number Publication date
KR890700323A (en) 1989-04-24
CA1333328C (en) 1994-12-06
DE3716424C2 (en) 1990-04-26
JPH02503869A (en) 1990-11-15
KR940010326B1 (en) 1994-10-22
JPH0687805B2 (en) 1994-11-09
ATE70953T1 (en) 1992-01-15
EP0358643A1 (en) 1990-03-21
US5131173A (en) 1992-07-21
DE3716424A1 (en) 1988-12-01
DE3867475D1 (en) 1992-02-13
AU1425688A (en) 1988-12-06
WO1988008677A1 (en) 1988-11-17

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