EP0358643A1 - Running sole for sports shoes. - Google Patents

Running sole for sports shoes.

Info

Publication number
EP0358643A1
EP0358643A1 EP88902401A EP88902401A EP0358643A1 EP 0358643 A1 EP0358643 A1 EP 0358643A1 EP 88902401 A EP88902401 A EP 88902401A EP 88902401 A EP88902401 A EP 88902401A EP 0358643 A1 EP0358643 A1 EP 0358643A1
Authority
EP
European Patent Office
Prior art keywords
sole
area
carrier element
outsole
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88902401A
Other languages
German (de)
French (fr)
Other versions
EP0358643B1 (en
Inventor
Wolf Anderie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adidas AG
Original Assignee
Adidas AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Adidas AG filed Critical Adidas AG
Priority to AT88902401T priority Critical patent/ATE70953T1/en
Publication of EP0358643A1 publication Critical patent/EP0358643A1/en
Application granted granted Critical
Publication of EP0358643B1 publication Critical patent/EP0358643B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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 running 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 support element is curved in the longitudinal direction of the sole on its underside and has such a thickness in the joint area that it comes into contact with the ground between the sole parts fastened on the front sole and in the heel area and acts 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.
  • cfas support element is a sole plate with stiffening walls approximately perpendicular to the plate surface, largely following 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 is at least the sole plate locally emphasized is lower than in the heel area of the soleplate.
  • 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 provided 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 rigid sole plate, which, however, is fixed by a "raking" of lateral stiffening walls in the manner of a double-T support.
  • a reduced height of the stiffening walls in the joint area ensures that the sole plate there can bend around a transverse axis as well as twist around a longitudinal axis to match the corresponding one To be able to follow foot movements when unrolling to the extent necessary.
  • 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 compared 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. Due to their hard setting, these materials have a low compressive and tensile deformability, but they are flexurally elastic to the extent necessary so that the support element can undergo bending and torsion deformation, at least to the extent described.
  • stiffening walls only protrude above or below the sole plate, so that both are possible within the scope of the invention.
  • stiffening turn protrude upwards and downwards over the soleplate, because this creates lateral boundary edges or frames for the sole elements installed on the running side, by means of which lateral deflection of the resilient sole parts during loading and a consequent result "Swimming" can be prevented.
  • the part of the side walls projecting upward above the soleplate forms a contour for the foot itself and thereby promotes the described support and guiding function of the carrier structure.
  • the sole parts to be fastened to the carrier element can be arranged thereon either fixedly or releasably. Because the sole's support and guidance function is carried out exclusively by the wearer! ement is taken over, the sole elements can be designed according to the aspects of optimal cushioning and can also be arranged only in the areas of the outsole in which the cushioning function requires this and a significant contact with the ground 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 at a distance from one another in the joint area.
  • the deformation behavior of the wearer! ements not influenced by the normally plate-shaped sole parts.
  • one of the two parts of the rail should know the are located on the front sole or in the heel area, a longitudinal projection extending in the sole is provided, which excites into the joint area and is connected to the underside of the soleplate. Because of 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 bending 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 and behind it and essentially serves only as a support. In this case, the bending behavior of the carrier element remains largely unaffected
  • Fig. 1 is a side view of an outsole measure fiction, from the inside of the foot
  • Fig. 2 is a side view from the outside of the foot
  • FIGS. 1 and 2 shows a plan view of the outsole according to FIGS. 1 and 2;
  • Fig. 4 is a bottom view of the outsole
  • FIG. 5 is a rear view of the outsole, seen in the direction of arrow V in FIG. 2nd
  • the invented sole shown in the drawings consists essentially of a support element designated in its entirety by 1 and two sole parts 2 and 3 fastened to the underside thereof, 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 end 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 projecting downward beyond the sole plate 11, while the stiffening wall 14 begins at the end of the front sole area, in the joint area 4 gradually increases in height, reaches its maximum at the end of the joint area and in the transition to the heel area, and then drops back to a 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 excites upwards beyond the sole plate 11, it extends in the heel area both above and below.
  • the outer sole end of the wearable element 1 is designed in accordance with FIG. 2.
  • the stiffening wall 16 which is limited to the front sole region, only projects downward beyond the sole plate 11, while in the joint region 4 and in the heel region the reinforcement wall 17 provided there protrudes both upwards and downwards.
  • the carrier element 1 consists of a polyemide or polyurethane which has been adjusted and which may be reinforced with carbon or glass fibers.
  • the Schlenplatte 11 has 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 of the support element 1, without the height of the stiffening walls 13 and 16 forming the sole part ! 2 border, need to reduce.
  • the sole parts 2 and 3 consist of any sole material that has damping properties, e.g. Made of foamed polyurethane with a Shore hardness in the range from 30 to 70: They are essentially plate-shaped and have the contour shown in FIG. 4. In addition, they have a profile 21 or 31, only indicated in FIG. 4, which in the embodiment is formed by small cup-shaped recesses. In addition, a "turning circle" 22 in is in the bale center of the sole part 2
  • This projection 32 is considerably narrower than the wearer! Element 11 in the joint area 4 and therefore only contributes to a small extent to increase the bending stiffness of the support element 1 in the joint area
  • 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 differently designed openings and each of them can have a plurality of them, which ensure that that the sole plate allows a certain deformation in these sections in order to better support the foot on the resilient and damping 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 an undershoe, 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 guiding function in connection with a freely selectable damping, which can be adjusted independently of the carrier element by appropriate selection of material and thickness of the sole parts.

Landscapes

  • 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

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Leufsohle für Sportschuhe -------------------------------------------------------------------------------------Outsole for sports shoes ----------------------------------------------- --------------------------------------
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 running 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 verhaltnismässig 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 dcrt 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 support element is curved in the longitudinal direction of the sole on its underside and has such a thickness in the joint area that it comes into contact with the ground between the sole parts fastened on the front sole and in the heel area and acts 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 it firmly and in its position in a relatively constant manner, but - through the soft, resilient sole parts - to achieve extensive impact absorption and a certain catapult effect.
Durch diese bekannte Sohlenkonstruktion wird zwar aufgrund der Anordnung der weich nachgiebigen Sohlenteile unter dem un verformbaren steifen Trägere 1 ement eine gute Aufprall dämpfung erzielt. Nachteilig daran ist jedoch, daß des steife Trägere! ement den natürlichen Abroll- und Bewegungs- vorgang des Fusses völlig unterbindet und die dadurch beabsichtigte Stütz- und Führungsfunktion sehr we i tg e he n d durch die nachgiebigen Sohlenteüe beeinträchtigt wird.This known sole construction does cause a good impact due to the arrangement of the soft, resilient sole parts under the non-deformable rigid support 1 damping achieved. The disadvantage of this, however, is that the stiff carrier! ement completely prevents the natural rolling and movement of the foot and the intended support and guiding function is very largely impaired by the compliant sole sole.
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 cfas Trägerelement eine Sohlenplatte mit annähernd senkrecht zur Plattenfleche stehenden, weitgehend der Sohlenrand- kontur folgenden Versteifungswänden ist, und daß zur Erzielung einer Verformbarkeit des Trägerelements im Gelenkbereich die Höhe der Versteifungswände im G e l e n k b e re i c h der Sohlenplatte zumindest örtlich betont geringer als im Fersenbereich der Sohlenplatte ist.According to the invention, this object is achieved in that cfas support element is a sole plate with stiffening walls approximately perpendicular to the plate surface, largely following 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 is at least the sole plate locally emphasized is lower than in the heel area of the soleplate.
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 kenn. Wie biomechani sche Untersuchungen gezeigt heben, 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 Leufsohle als eine an sich etwas formsteife Sohlenplette gestaltet, die jedoch durch einen "Rehmen" von seitlichen Versteifungswänden nach Art eines Doppel-T-Trägers fixiert ist. Durch die Höhe der seitlichen Versteifuncewänce renn, ohne daß en der Dicke der S o h l e n p l a tte selbst etwas geändert werden müsste, diese Fixierung und damit die Lenossteifigkeit sehr gezielt eingestellt werden: Dabei ist durch eine verringerte Höhe der Versteifungs wände 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 provided 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 rigid sole plate, which, however, is fixed by a "raking" of lateral stiffening walls in the manner of a double-T support. Run through the height of the side stiffening walls without changing the thickness of the soleplate itself This fixation and thus the Lenos stiffness would have to be set very specifically: A reduced height of the stiffening walls in the joint area ensures that the sole plate there can bend around a transverse axis as well as twist around a longitudinal axis to match the corresponding one To be able to follow foot movements when unrolling to the extent necessary. 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 des 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 Kunststoffmaterialien, 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 des Tregerelement zumindest in dem geschilderten Ausmeß eine Biege- und Torsions Verformung 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 Versteifungswende nach oben und nach unten über die Sohlenplatte hinausragen zu lassen, weil hierdurch für die laufseitig engebrachten Sohlenelemente seitliche Begrenzungsränder oder Rahmen geschaffen werden, durch die ein seitliches Ausweichen der nachgiebigen Sohlenteile bei der Belestung und ein dadurch bedingtes "Schwimmen" verhindert werden. Debei kenn deren gedecht werden, die Sohlenteile mit den sie umfassenden seitlichen Wänden nicht fest, z.B. durch Klebung oder direktes Angießen, zu verbinden, um die D r u c k verformung 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 kenn, eine Umfessung für den Fuß selbst und fördert dadurch die beschriebene Stütz- und Führungsfunktion des Trägerei eraents. Die en dem Trägerelement zu befestigenden Sohlenteile können entweder fest oder lösbar daran engeordnet sein. Da die Stütz- und Führungsfunktion der Sohle ausschließlich durch das Trägere! ement übernommen wird, können die Sohlenteüe ellein nach den Gesichtspunkten einer optimalen Dämpfung ausgebildet und auch nur in den Bereichen der Laufsohle angeordnet sein, in denen d i e Dämpfungsfunktion dies erfordert und ein ins Gewicht fallender Bodenkontakt zu erwarten ist. So sind zweckmässigerweise die auf der Vordersohle und im Fersenbereich angeordneten Sohlenteile voneinender getrennt, so daß sie im Gelenkbereich einen Abstand voneinander aufweisen. Hierdurch wird das Verformungsverhalten des Trägere! ements durch die normalerweise plattenförmig ausgebildeten Sohlenteile nicht beeinflusst. Wenn eine solche Beeinflussung jedoch in einer, gewissen Ausmaß erwünscht ist, kenn an einem der beiden Schienteile, die sich auf der Vordersohle oder im Ferse nbereich befinden, ein sich in Sohlenlängsrichtung erstreckender s c hm a l e r Vorsprung vorgesehen sein, der in den Gelenkbereich hineinregt und mit der Unterseite der S o h l e n p l a t t e verbunden ist. Aufgrund der einstückigen Verbindung mit dem zugehörigen Sohlenteil ken n dadurch die Biegesteifigkeit des Trägerelements im Gelenkbereich, abhängig von der Biegesteifigkeit 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 das Eiegeverhalten des Trägerelements dadurch weitgehend unbeeinflusstAn essential advantage associated with the described concept is that, due to the design of the support element as a (thin) sole plate with lateral stiffening walls, the weight of the support element can be considerably reduced compared 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. 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. Due to their hard setting, these materials have a low compressive and tensile deformability, but they are flexurally elastic to the extent necessary so that the support element can undergo bending and torsion deformation, at least to the extent described. For reasons of rigidity, it is in principle irrelevant whether the stiffening walls only protrude above or below the sole plate, so that both are possible within the scope of the invention. However, it has a particular advantage to have the stiffening turn protrude upwards and downwards over the soleplate, because this creates lateral boundary edges or frames for the sole elements installed on the running side, by means of which lateral deflection of the resilient sole parts during loading and a consequent result "Swimming" can be prevented. Debei knows how to prevent the sole parts from being firmly connected to the side walls surrounding them, for example by gluing or direct casting, in order to promote the pressure deformation into the interior of the frames formed by the side walls. On the other hand, the part of the side walls projecting upward above the soleplate, which part may be connected to the shoe upper, forms a contour for the foot itself and thereby promotes the described support and guiding function of the carrier structure. The sole parts to be fastened to the carrier element can be arranged thereon either fixedly or releasably. Because the sole's support and guidance function is carried out exclusively by the wearer! ement is taken over, the sole elements can be designed according to the aspects of optimal cushioning and can also be arranged only in the areas of the outsole in which the cushioning function requires this and a significant contact with the ground 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 at a distance from one another in the joint area. As a result, the deformation behavior of the wearer! ements not influenced by the normally plate-shaped sole parts. However, if such an influence is desired to a certain extent, one of the two parts of the rail should know the are located on the front sole or in the heel area, a longitudinal projection extending in the sole is provided, which excites into the joint area and is connected to the underside of the soleplate. Because of 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 bending 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 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 configurations result from further subclaims.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhend der beiliegenden Zeichnungen näher erläutert. In den Zeichnungen zeigen:An embodiment of the invention is explained below with reference to the accompanying drawings. The drawings show:
Fig. 1 eine Seitenansicht einer erfindungsge messen Laufsohle von der Fußinnenseite her;Fig. 1 is a side view of an outsole measure fiction, from the inside of the foot;
Fig. 2 eine Seitenansicht von der Fußaußenseite her;Fig. 2 is a side view from the outside of the foot;
Fig. 3 eine Draufsicht auf die Laufsohle gemäß den Fig. 1 und 2;3 shows a plan view of the outsole according to FIGS. 1 and 2;
Fig. 4 eine Untenansicht der Laufsohle, undFig. 4 is a bottom view of the outsole, and
Fig. 5 eine Rückansicht der Laufsohle, gesehen in Richtung des Pfeiles V in Fig. 2. Die in den Zeichnungen dargestellte erf indungsgemässe Leufsohle besteht im wesentlichen eus einem im Genzen mit 1 bezeichneten Trägerelement und zwei an dessen Unterseite befestigten Sohlenteilen 2 und 3, die im Vordersohlenbereich bzw. im Fersenbereich des Trägerelements befestigt sind. Des 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 Sohlenrend der Sohlenplatte 1 einstückig mit dieser ausgebildet und erstrecken sich längs deren Randkontur, wobei die Versteifungswand 13 auf den Vordersohl enbereich beschränkt ist und nur nach unten über die Sohlenplatte 11 hinausragt, während die Versteifungswand 14 am Ende des Vordersohl enbereiches 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. Wehrend am Ende des Vordersohlenbereiches und im Gelenkbereich 4 die Versteifungswand 14 nur nach oben über die Sohlenplatte 11 hinausregt, erstreckt sie sich im Fersenbereich sowohl nech oben als auch nach unten.5 is a rear view of the outsole, seen in the direction of arrow V in FIG. 2nd The invented sole shown in the drawings consists essentially of a support element designated in its entirety by 1 and two sole parts 2 and 3 fastened to the underside thereof, 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 end 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 projecting downward beyond the sole plate 11, while the stiffening wall 14 begins at the end of the front sole area, in the joint area 4 gradually increases in height, reaches its maximum at the end of the joint area and in the transition to the heel area, and then drops back to a 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 excites upwards beyond the sole plate 11, it extends in the heel area both above and below.
In ähnlicher Weise ist der Sohleneußenrend des T r ä g e re l eme n t s 1 entsprechend Fig. 2 gestaltet. Dort ragt die auf den Vordersohl enbereich beschränkte Versteifungswand 16 nur nach unten über die Sohlenplatte 11 hinaus, während im Gelenkbereich 4 und im Fersenbereich die dort vorgesehene Ve rs te i f u n g s w a n d 17 sowohl nach oben wie nach unten übersteht.In a similar manner, the outer sole end of the wearable element 1 is designed in accordance with FIG. 2. There, the stiffening wall 16, which is limited to the front sole region, only projects downward beyond the sole plate 11, while in the joint region 4 and in the heel region the reinforcement wall 17 provided there protrudes both upwards and downwards.
Das Trägerelement 1 besteht aus einem hert eingestellten Polyemid oder Polyurethan, das ggf. durch Kohle- oder Glas- fasern verstärkt ist.The carrier element 1 consists of a polyemide or polyurethane which has been adjusted and which may be reinforced with carbon or glass fibers.
Wie aus Fig. 3 hervorgeht, weist die Schlenplatte 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 Vordersohl enbere iches des Trägerelements 1 zu verringern, ohne die Höhe der Versteifungswände 13 und 16, die den Sohlentei! 2 einfassen, verringern zu müssen.3, the Schlenplatte 11 has 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 of the support element 1, without the height of the stiffening walls 13 and 16 forming the sole part ! 2 border, need 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 Auεführungsbei spiel durch kleine napfförmige Ausnehmungen gebildet ist. Außerdem ist im Ballenzentrum des Sohlenteils 2 ein "Drehkreis" 22 inThe sole parts 2 and 3 consist of any sole material that has damping properties, e.g. Made of foamed polyurethane with a Shore hardness in the range from 30 to 70: They are essentially plate-shaped and have the contour shown in FIG. 4. In addition, they have a profile 21 or 31, only indicated in FIG. 4, which in the embodiment is formed by small cup-shaped recesses. In addition, a "turning circle" 22 in is in the bale center of the sole part 2
Form eines Ringprofilε vorgeεehen. Der hintere SohlenteilProvided shape of a ring profile. The rear sole part
3 besitzt einen schräg zur Sohlenlängsrichtung vorspringenden Abschnitt 32, der fest mit der Unterseite der Sohlenplatte3 has a section 32 which projects obliquely to the longitudinal direction of the sole and which is fixed to the underside of the soleplate
11 verbunden ist und kurz vor dem hinteren Rand des Sohlenteils 2 endet. Dieser Vorsprung 32 ist erheblich schmaler als das Trägere! ement 11 im Gelenkbereich 4 und trägt daher lediglich in einem geringen Ausmaß zur Erhöhung der Biegesteifigkeit des Trägerelements 1 im Gelenkbereich11 is connected and ends just before the rear edge of the sole part 2. This projection 32 is considerably narrower than the wearer! Element 11 in the joint area 4 and therefore only contributes to a small extent to increase the bending stiffness of the support element 1 in the joint area
4 bei, beeinflusst jedoch die T o r sionssteifigkeit davon fast nicht. Die Sohlenteile 2 und 3 sind mit der Unterseite der Sohlenplatte 11 fest verbunden, z.B. verklebt.4, but hardly affects the torsional stiffness. 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 Sohlenplette anders gestaltete Durchbrüche und euch 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 dämpfenden 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.In contrast to the openings 18, 19 shown in FIG. 3, the sole plate can have differently designed openings and each of them can have a plurality of them, which ensure that that the sole plate allows a certain deformation in these sections in order to better support the foot on the resilient and damping 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 dergestellten 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 wä h l b a re n 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 an undershoe, 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 guiding function in connection with a freely selectable damping, which can be adjusted independently of the carrier element by appropriate selection of material and thickness of the sole parts.

Claims

A n s p r ü c h e 1. Laufsohle für Sportschuhe, mit einem Trägerelement (1) aus relativ hartem Material und mit an dem Trägerelement (1) laufseitig befestigten, relativ weicheren Sohlenteilen (2, 3), dadurch gekennzeichnet, daß das Trägerelement (1) eine Sohlenplatte (11) mit annähernd senkrecht zur Plattenfläche stehenden, weitgehend der S o h l e n r a n d k o n t u r folgenden Versteifungswänden (13, 14, 16, 17) ist, und daß zur Erzielung einer Verformbarkeit des Trägerelements (1) im Gelenkbereich (4) die Höhe der Versteifungswände (13, 14, 16, 17) im Gelenkbereich (4) der Sohlenplatte (11) zumindest örtlich betont geringer als im Fersenbereich der Sohlenplatte ist.Claim 1: Outsole for sports shoes, with a support element (1) made of relatively hard material and with relatively softer sole parts (2, 3) attached to the support element (1) on the barrel side, characterized in that the support element (1) is a Sole plate (11) with stiffening walls (13, 14, 16, 17) which are approximately perpendicular to the plate surface and largely follow the contour of the edge of the hole, and that the height of the stiffening walls (13 , 14, 16, 17) in the joint area (4) of the sole plate (11) is at least locally emphasized less than in the heel area of the sole plate.
2. Laufsohle nach Anspruch 1, dadurch gekennzeichnet, daß die Versteifungs wände (14, 17) nach oben und unten über die Sohlenplatte (11) hinausregen.2. Outsole according to claim 1, characterized in that the stiffening walls (14, 17) up and down over the sole plate (11) rain out.
3. Leufsohle nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Höhe der Versteifungswände (14, 17) im Fersenbereich zur Scheitellinie (5) hin abnimmt.3. The outsole according to claim 1 or 2, characterized in that the height of the stiffening walls (14, 17) in the heel area decreases towards the apex line (5).
4. Laufsohle nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß im Vordersohlenbereich die Versteifungswände (13, 16) zur Steuerung der örtlichen Verformbarkeit des Trägerelements (1) Einschnitte (15) aufweisen. 4. Outsole according to one of claims 1 to 3, characterized in that in the front sole area, the stiffening walls (13, 16) for controlling the local deformability of the carrier element (1) have incisions (15).
5. L e u f s o h l e nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die nach unten vorspringenden Versteifungswänoe Hai terungsrehmen für die Sohlenteile (2, 3) bilden.5. L e u f s o h l e according to any one of claims 1 to 4, characterized in that the downwardly projecting stiffening wans Hai terungsrehmen form for the sole parts (2, 3).
6. Laufsohle nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Sohlenplatte (11) zumindest im Fersenbereich einen oder mehrere Durchbrüche (19) aufweist, in denen der darunter angeordnete Sohlenteil (3) freiliegt. 6. Outsole according to one of claims 1 to 5, characterized in that the sole plate (11) at least in the heel area has one or more openings (19) in which the sole part arranged below (3) is exposed.
7. Laufsohle nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die im Vordersohlenbereich und im Fersenbereich des Trägerelements (1) angeordneten Sohlenteile (2 bzw. 3) voneinander getrennt sind und den Gelenkbereich (4) des Trägerelements weitgehend freiheiten.7. Outsole according to one of claims 1 to 6, characterized in that the sole parts (2 and 3) arranged in the front sole region and in the heel region of the carrier element (1) are separated from one another and the joint region (4) of the carrier element is largely free.
8. Leufsohle nach Anspruch 7, dadurch gekennzeichnet, daß im Gelenkbereich (4) ein gesonderter Sohlenteil engeordnet ist. 8. Sole according to claim 7, characterized in that a separate sole part is arranged in the joint area (4).
9. Laufsohle nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß im Gelenkbereich ein sich in Sohlenlängsrichtung erstreckender und mit der Unterse i te der Sohlenplatte (11) verbundener Vorsprung (32) eines der im Vordersohlenbereich bzw. im Fersenbereich angeordneten Sohlenteile (2, 3) ausgebildet ist, der wesentlich schmaler als des Trägerelement (1) ist. 9. Outsole according to one of claims 1 to 7, characterized in that in the joint area extending in the sole longitudinal direction and with the Unterse i te of the sole plate (11) connected projection (32) one of the sole parts arranged in the front sole area or in the heel area (2nd , 3) is formed, which is much 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.

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DE19873716424 DE3716424A1 (en) 1987-05-15 1987-05-15 OUTSOLE FOR SPORTSHOES
DE3716424 1987-05-15

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EP0358643B1 EP0358643B1 (en) 1992-01-02

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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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JPH0687805B2 (en) 1994-11-09
AU1425688A (en) 1988-12-06
CA1333328C (en) 1994-12-06
KR940010326B1 (en) 1994-10-22
EP0358643B1 (en) 1992-01-02
JPH02503869A (en) 1990-11-15
KR890700323A (en) 1989-04-24
DE3867475D1 (en) 1992-02-13
DE3716424C2 (en) 1990-04-26
ATE70953T1 (en) 1992-01-15
DE3716424A1 (en) 1988-12-01
US5131173A (en) 1992-07-21
WO1988008677A1 (en) 1988-11-17

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