EP0677253B1 - Shoesole construction - Google Patents

Abstract

The weight-reducing, hollow cavities (3) consists of a system of interconnected air chambers, on the underside of the bed of the foot. The foot-bed (2) is air-permeable so that the shoe-s interior is connected at least on one part of the system's air-chambers. The bed of the foot with integrated air-chamber system is removable from the shoe and washable. The shoe sole (1) with smooth inserted sole is connected to a perforated insole. <IMAGE>

Description

The invention relates to a shoe sole system according to the preamble of Claim 1.

Shoes usually consist of one upper and one on it attached shoe sole. The sole of the shoe is either attached to the upper of the shoe glued or cast on, e.g. for shoes with an insole or for strobed shoes, or sewn directly to the upper.

So that the actual shoe sole is not too heavy and also with larger ones Thickness remains elastic in the heel area and / or in the forefoot area Cavities worked into each other through a lattice-like structure are separated.

In known shoes with an insole, as described in FR-A-2 519 521 are described and in which the shoe sole system therefore as a composite sole is formed, the advantage of weight reduction through the cavities in the shoe sole system, the firm Bonding of the already relatively stiff insole to the actual one Shoe sole limits the elastic properties of those with weight-reducing Cavities provided shoe sole, however, and leads to one relatively stiff shoe.

In prior art shoes, in which the sole is attached to the shoe article is sewn on, the sole is made of a foam (PU), i.e. There are no lattice-like cavities in the sole.

Furthermore, a so-called lightweight sole is known, in which a System for energy return and attenuation is incorporated is also firmly connected to the sole.

Furthermore, a so-called "freshness system" shoe sole system known, which is constructed from several separate parts that can be joined together. This system is used to accommodate a scent capsule in a heel support of the sole system. By scoring one the scented capsule the scent unfolds around the film. Via air ducts of small dimensions the fragrance gets through corresponding holes in the insole to the foot area. This shoe sole system is out of the shoe removable so that the used fragrance capsule can be exchanged for a new one can be. Weight-reducing recesses are only in the heel support and arranged on a small scale. That the The capsule and the shoe sole system that carries the air channels is relatively solid, so that neither the air channels nor the heel support are compressed can be.

AT-A-359 866 is a ventilated footbed for sandals and light footwear described. The footbed sole shows weight-reducing Cavities on which interconnected air chambers under the entire footbed. The edge of the footbed sole is towards the outsole bent down. The footbed sole is glued to the outsole and thus forms a unity with it.

It is therefore the object of the invention to provide a shoe sole system that improves the foot climate in the shoe, is elastic, inexpensive to manufacture is easy to clean and can be used for different types of shoes is.

This task is accomplished by means of a shoe sole system with the features Claim 1 solved. Appropriate further training are in the subclaims Are defined.

The shoe sole system according to the invention consists of a large number of air chambers connected to each other by air ducts, the one Form air chamber system. These air chambers are under stress flexible, i.e. deformable.

So by the pressure exerted while walking during the course of movement, i.e. when the foot rolls off, air from the air chambers the sole can circulate on the foot, the footbed is breathable executed, whereby a connection of the shoe interior with at least part of the plurality of air chambers of the air chamber system is available. The shoe sole system according to the invention is thus a breathable shoe sole system, which due to the elasticity of the Shoe sole or outsole material as well as the air chamber system forming webs an optimal energy return with ideal damping creates. In addition, is created by the air chamber system in connection with the sequence of movements when the foot rolls off pleasant shoe climate caused by the air circulation. With the The invention thus creates a shoe sole system that is lightweight Fatigue-free walking with a comfortable shoe climate.

The air chamber system is preferably on the underside of the footbed at least partially firmly attached. It can be made and delivered separately be glued to the bottom of the footbed; but it can also be in one Be made with the footbed. This at the bottom of the The air chamber system attached to the footbed can be inserted into the sole of the shoe.

Since the footbed is designed as an insole for shoes, for which the outsole is sewn to the upper of the shoe, this is moreover Removable footbed from the shoe and easy to clean. The footbed with the air chamber system on the underside is made of such a material that it is easily e.g. in can be washed in a conventional washing machine.

The shoe sole system according to the invention can also be used for strobed shoes Shoes are used. With strobed shoes, however, that is Upper of the shoe down to the sole area through a textile material that is breathable. That’s it footbed with an air chamber system on the underside no longer removable from the shoe, but it can be put into the a shell-shaped outsole can be inserted without gluing, so that flexibility and breathability combined with an inexpensive Manufactured even after the shoe upper has been attached the outsole is also realized.

Further advantages, features and possible uses of the present Invention result from the following description of Exemplary embodiments in connection with the drawing pages.

Fig. 1

ein Schuhsohlensystem gemäß der vorliegenden Erfindung;

Fig. 1a

eine Schnittansicht durch den Fersenbereich des Schuhsohlensystems nach Fig. 1;

Fig. 2

ein Schuhsohlensystem eines weiteren Ausführungsbeispiels, bei dem das Luftkammersystem zum Teil am Fußbett angebracht ist;

Fig. 2a

Längsschnitt des Schuhsohlensystems von Fig. 2;

Fig. 3

ein Schuhsohlensystem eines weiteren Ausführungsbeispiels, bei dem die Laufsohle an den Schuh geklebt wird;

Fig. 3a

eine Schnittansicht durch den Fersenbereich des Schuhsohlensystems nach Fig. 3;

Fig. 4a

eine Ausführungsform mit einem trapezförmigen Luftkammersystem im Vorderfußbereich;

Fig. 4b

eine Ausführungsform mit einem wellenförmigen Luftkammersystem im Vorfußbereich; und

Fig. 4c

eine Ausführungsform mit einem labyrinthartigen Luftkammersystem im Vorfußbereich.

Show it:

Fig. 1

a shoe sole system according to the present invention;

Fig. 1a

a sectional view through the heel area of the shoe sole system according to Fig. 1;

Fig. 2

a shoe sole system of a further embodiment in which the air chamber system is partially attached to the footbed;

Fig. 2a

Longitudinal section of the shoe sole system of Fig. 2;

Fig. 3

a shoe sole system of another embodiment in which the outsole is glued to the shoe;

Fig. 3a

a sectional view through the heel area of the shoe sole system according to Fig. 3;

Fig. 4a

an embodiment with a trapezoidal air chamber system in the forefoot area;

Fig. 4b

an embodiment with a wave-shaped air chamber system in the forefoot area; and

Fig. 4c

an embodiment with a labyrinth-like air chamber system in the forefoot area.

1 is a view of the shoe sole system according to the invention shown, in which the footbed 2, the shape of the foot at its the Shoe inner side is formed and on its underside in one-piece manufacturing from a variety of chambers 3 has formed existing air chamber system, in which the as a shell trained shoe sole or outsole 1 can be inserted. Such Design significantly simplifies and increases the production of the outsole in addition, the flexibility of the shoe sole system as the air chamber system no direct connection to the actual outsole 1 of the Schuhs has more. Thus, the overall flexibility of the outsole remains fully preserved, whereas with outsoles of the prior art, at which the individual weight-reducing cavities in one piece Production type are part of the outsole 1, whereby by the individual stiffening webs an additional stiffening occurs.

The individual chambers are among one another through appropriate channels connected so that when walking the shoe sole system according to the invention can perform a multiple function.

On the one hand, the pressure exerted by the foot on walking leads to this Shoe sole system during the movement of the foot, i.e. at the Unrolling the foot at the pressure points to compress the Air in the respective chambers, and this causes the air to flow through the Air channels pressed into the chambers without pressure load. In these last-mentioned chambers this creates an increased pressure, whereby the air contained there through the air-permeable material or through the air channels 4 in the footbed, which connect between the inside of the shoe and the actual air chamber system establish, is pressed. Through this air circulation between the flexible air chambers in the sole and the inside of the shoe, in which the foot is located, there is an optimal circulation, so that a pleasant shoe climate is created.

Because the material that the walls of each chamber of the air chamber system forms, for the reasons of the realization mentioned above on the other hand, the circulation of the air is elastic in addition to the circulation, an optimal energy return in connection with ideal attenuation with an additional pleasant Shoe climate.

The breathable shoe sole system according to the invention thus realizes easy walking without fatigue. It's different for a lot Shoe types, types and sizes can be used. Cost advantages arise mainly from the fact that the actual outsole very simple and typed for different types of shoes can.

High demands on the accuracy of fit of the footbed in the outsole are not necessary because of the flexibility between them both parts, i.e. the footbed 2 and the outsole 1, maintained shall be.

In Fig. 2 is a longitudinal section through an inventive shoe sole system shown. All attached to the bottom of the footbed 2 Air chambers 3 are inserted in the outsole 1 Condition via channels 4 both with each other and a certain Number of air chambers 3 through such air channels 4 with connected to the interior of the shoe.

The multiple function of the shoe sole system according to the invention is also feasible if the air chamber system partially on the underside of the Footbed is attached. The air chamber system can only in The heel area may be divided in the height direction, or in the shoe longitudinal direction be divided overall, i.e. partly on the underside of the footbed 2 attached and partly be incorporated into the outsole 1.

In Fig. 3 an embodiment is shown in which the outsole is glued to the shoe upper. The executed as an insole Footbed 2 is placed in a cup-shaped outsole 1 (a conventional TR sole) without being glued to it become. The outsole has an adhesive edge 5 on its inner sides, the insole slipping when the insole is in place secure, but no firm connection between outsole and insole manufactures. The shoe upper 6 is now glued to the adhesive edge 5, so that the insole is no longer removable, e.g. at strobed shoes or shoes with an insole, but the full one Flexibility and breathability are retained. Such a system can therefore also be used for shoes with insoles, if the insole itself is perforated in such a way that it passes through the insole Connections between the inside of the shoe and the air chamber system are manufactured.

4a, b, c are various air chamber systems in the forefoot area shown. 4a is a trapezoidal air chamber system shown, which also connects via corresponding channels guaranteed individual chambers with each other as well as by an adequate Number of air channels in the footbed connections between the air chamber system in the forefoot area and thus in the whole Guaranteed shoe sole system to the inside of the shoe.

In FIG. 4b, undulating air chambers are formed by undulating partition walls formed in the forefoot area, all by a longitudinal channel are interconnected.

And finally, a labyrinth system is shown in Fig. 4c, which next to a high flexibility of the actual forefoot area when rolling of the foot also excellent air circulation between the individual Sections of the circulation system and thus a circulation between the air chamber system and the shoe interior via the in the Air channels 4 arranged at the foot ensures.

The preferred air chamber system in the heel area is preferred a rectangular chamber system.

Claims (4)

1. Shoe sole system with weight-reducing cavities therein, consisting of a shoe sole (1) and a foot bed (2), the cavities forming an air-chamber system consisting of a plurality of flexible air chambers (3) and the foot bed (2) being air-permeable, resulting in a connection between the inner region of the shoe and at least some of the plurality of air chambers (3), the air-chamber system being fitted to the underside of the foot bed (2) which can be removed from a shoe and being arranged in an interconnected manner in the toe region and in the heel region and all of the air chambers (3) being interconnected.
2. Shoe sole system according to claim 1, in which the foot bed (2) is provided over the entire toe region and heel region with channels (4) in order to produce a connection to the air-chamber system.
3. Shoe sole system according to claim 1 or claim 2, in which the air-chamber system is partly fitted to the underside of the foot bed (2) and partly incoporated into the outsole.
4. Shoe sole according to one of claims 1 to 3, in which the air-chamber system is in the form of a wavy, trapezoidal or knop-shaped labyrinth in the toe region and that the air-chamber system is furthermore provided in the heel region with rectangular chambers.

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