EP0594518B1 - Footwear with air-circulating means and method for making the same - Google Patents

Footwear with air-circulating means and method for making the same Download PDF

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Publication number
EP0594518B1
EP0594518B1 EP93440072A EP93440072A EP0594518B1 EP 0594518 B1 EP0594518 B1 EP 0594518B1 EP 93440072 A EP93440072 A EP 93440072A EP 93440072 A EP93440072 A EP 93440072A EP 0594518 B1 EP0594518 B1 EP 0594518B1
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EP
European Patent Office
Prior art keywords
sole
footwear article
air circulation
hollow body
footwear
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP93440072A
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German (de)
French (fr)
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EP0594518A1 (en
Inventor
Jean-Michel Heckel
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Entreprises Georges Lemaitre Chaussures Le Griffon Sa
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Entreprises Georges Lemaitre Chaussures Le Griffon Sa
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Publication of EP0594518A1 publication Critical patent/EP0594518A1/en
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Publication of EP0594518B1 publication Critical patent/EP0594518B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/081—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures the air being forced from outside

Definitions

  • the present invention relates to the field of footwear, such as shoes, boots, ankle boots or the like, in particular children's shoes waterproof work and / or safety with a sole molded wear, and relates to such an article of footwear equipped with an air circulation device, as well as a corresponding manufacturing process.
  • the object of the present invention is in particular to overcome all of the aforementioned drawbacks.
  • an article footwear in particular work and / or safety shoe comprising a outsole obtained by molding, characterized in that it is provided with a device for air circulation integrated into the mass of the sole of wear.
  • the present invention also relates to a process for manufacturing an article of footwear such as mentioned above, characterized in that it consists, firstly, to be carried out, separately, on the one hand, an upper and sole assembly and, secondly, the air circulation device, then mount it on said first sole, if necessary together with reinforcing elements, to arrange the whole upper - sole - air circulation device in an injection molding mold and then to inject the material intended to constitute the outsole in said mold directly on said sole and said upper and, finally, to remove said footwear thus obtained from said mold after solidification of said material injected.
  • the footwear is provided with a circulation device 3 air integrated into the mass of the outsole 2.
  • outsole 2 (constituting the visible outsole of the article footwear 1) may also include, in a known manner, reinforcement elements 2 ′ integrated into its mass, in particular in the form of shanks, and its rod 13 can be doubled, at the front end of said article footwear 1, a toe cap or a protective shell (not shown).
  • the air circulation device 3 is mainly consisting of a closed hollow body 4, at least partially deformable, comprising tubing 5 air intake, fitted with a valve device 7 or non-return valve, and an air exhaust pipe 6 of variable length, depending in particular on the size of said footwear 1.
  • the check valve or non-return device 7 mentioned above can, for example, present itself in a known manner in the form of a sleeve provided a ball that can be moved from a closed position (corresponding to the rest position of the valve or valve) to a passage authorization position air through said sleeve, depending on the direction of thrust of the air flow crossing or seeking to cross said sleeve ( Figure 1).
  • the hollow body 4 has an upper part 8 elastically deformable arched and is arranged in the heel 9 of footwear 1, said upper part 8 being flush with the first sole 10 for fitting and cleaning said footwear item 1.
  • Said hollow body 4 is advantageously centered relative to the bearing area of the user's heel, so as to be subjected to maximum pressure and to undergo significant deformation.
  • the suction port 11 of the tubing intake 5 advantageously opens through an orifice 12 corresponding passage of the first sole 10 or upper 13, inside the footwear 1, at the level of the area surrounding the user's heel, preferably in the rear part of this area under the user's heel.
  • the discharge pipe 6 can open, through a corresponding 12 'passage opening of the first sole 10, if necessary via of a bent end piece 14 for ejection, in the region of the first sole 10 on which the metatarsals rest or the user's tarsi.
  • the circulation device 3 air works by removing air from the region of the heel, inside the footwear and by injection air thus recovered by suction at the toes or in the support area behind them.
  • part of the air sucked in the orifice 11 of the intake manifold 5 can come from directly from the outside by entering through the opening upper of rod 13 following the vacuum generated by the suction action.
  • the succession and sequencing of operations suction and ejection are controlled by the valve check valve 7 depending on the pressure variation exercised by the user on the arched upper part 8 of the hollow body 4.
  • the air circulation or ventilation generated by device 3 is particularly important in the in case of user movement, due to variations significant pressure exerted by the heel of the user on the arched upper part 8, generating a significant deformation of the latter during the support of the foot at the heel.
  • a pumping effect air with suction in the heel and ejection in the toe area.
  • the intake manifold 5, as well as the discharge pipe 6 or, where appropriate, the angled tip 14 for ejection, are fixed to the sole first 10, at the passage openings 12, 12 ' considered, by means of a device 15, 16 and 17 for securing fast.
  • each device 15, 16 and 17 for securing fast comes in the form of a device better known by snap or snap fastening under the usual name of "clip" and whose mode of operation is analogous to that of a press button.
  • each snap fastener or snap can be composed, for example, on the one hand, an annular part 15 attached or formed on the face upper of the first sole 10 at the orifices passage 12, 12 'and having at least one projection internal circumferential radial 16 constituting at minus a localized narrowing and, on the other hand, a bead, shoulder 17 or radial projection (e), continuous or discontinuous, arranged or formed on the outer face of the ends of the intake manifold 5 and the drain hose 6 or the bent end piece ejection 14.
  • footwear 1 has an insole or a arch, resting on the first sole 10 of assembly or cleanliness, provided with means of supply and air distribution, in the form of channels, grooves or grooves, converging towards the area of the orifices passage 12, 12 'of the first sole 10.
  • the body hollow 4 has, on the top of its upper part arched 8, at least one lug 18 for positioning the air circulation device 1 on the first sole 10, said vaulted upper part 8 being able, in addition, be resiliently supported by a spring compression 19 disposed inside said hollow body 4.
  • said hollow body 4 may also contain a solid material with deodorant action and / or having dehumidification properties, having long-lasting effects.
  • This solid material may be present, for example, in the form of a perfume cube, which can also contain chemicals intended to eliminate bad smells.
  • said body 4 could contain a liquid substance intended to annihilate bad odors of organic origin, this liquid can be injected under pressure through the intake manifold 5 at by means of a specific injection device, in particular a deformable tube whose front end can be introduced in said tubing.
  • the outsole 2 can be produced polyurethane foam and have a structure monolayer.
  • the outsole 2 can be made up of several polyurethane foam layers with different densities or block of polyurethane foam with variable density.
  • the layers outsides of outsole 2, especially those in contact with the ground, will have a density and a rigidity higher than the intermediate layers or in contact with the sole 10 or the upper 13.
  • the invention also relates to a method manufacturing an article of footwear as described above, consisting essentially, first of all, of carrying out, separately, on the one hand, the rod assembly 13 - first sole 10 and, on the other hand, the device 3 air circulation, then mount it on said first sole 10, if necessary together with reinforcement elements 2 ', to arrange the assembly upper 13 - sole 10 - device 3 for circulation air into an injection mold and then to inject the material intended to constitute the sole wear 2 in said mold directly on said sole first 10 and said rod 13 and, finally, to remove said footwear 1 thus obtained from said mold after solidification of said injected material.
  • the realization of the air circulation device 3 consists essentially to produce, by injection molding, the vaulted upper part 8 and the side walls of the hollow body 4 of said air circulation device 3, in one piece with the intake manifold 5, then at fit a check valve or non-return valve device 7 on said intake manifold 5 and to set up the bottom of said hollow body 4 and, finally, to set up and to be joined by gluing, after partial introduction in an orifice previously formed in said body hollow 4, a discharge pipe 6 having a length adapted to the size of footwear 1 and possibly provided with a bent ejection nozzle 14 at its end free.
  • the discharge pipe 6 can also, as a variant, have a shaped ejection device of pommelle, diffusing the air ejected by the hollow body 4 through the first sole 10 provided with a plurality through holes.
  • the mounting of the circulation device 3 air on the first sole 10 is to push the free ends of the intake manifold 5, the discharge pipe 6 or, where appropriate, the end piece ejection 14, in through orifices 12 and 12 'correspondents of the first sole 10, until obtaining of their fastening by engagement or snap-fastening by means of fastening devices 15, 16 and 17 and to position said circulation device 3 air relative to said first sole 10 by the establishment of one or more lugs 18, arranged on the hollow body 4 and / or on the discharge pipe 6, in one or more corresponding locating orifices 20 in the sole 10.
  • the invention it is possible to carry out an article of footwear, in particular a work shoe and / or safety with a outsole molded, perfectly waterproof, providing ventilation or air circulation around the foot, more particularly at the level of the front support part of the latter.

Abstract

The present invention relates to an article of footwear as well as to a method for making such an article of footwear. Article of footwear, particularly a work and/or safety shoe, including a wear sole obtained by moulding, characterised in that it is provided with a device (3) for air circulation which is incorporated into the mass of the wear sole (2). <IMAGE>

Description

La présente invention concerne le domaine des articles chaussants, tels que les chaussures, les bottes, les bottines ou analogues, notamment les chaussures de travail et/ou de sécurité étanches présentant une semelle d'usure moulée, et a pour objet un tel article chaussant muni d'un dispositif de circulation d'air, ainsi qu'un procédé de fabrication correspondant.The present invention relates to the field of footwear, such as shoes, boots, ankle boots or the like, in particular children's shoes waterproof work and / or safety with a sole molded wear, and relates to such an article of footwear equipped with an air circulation device, as well as a corresponding manufacturing process.

Actuellement, de nombreuses personnes, notamment dans le milieu industriel, portent les mêmes chaussures ou articles chaussants analogues sans interruption pendant des durées importantes, par exemple huit heures ou plus. Il en résulte des risques élevés de contraction de mycoses ou d'autres affections épidermiques, parasitaires ou non, des pieds, ou encore une desquamation de la peau de la plante des pieds et, à tout le moins, une sensation de brûlure et d'inconfort, notamment pour les personnes sujettes à une sudation pédieuse abondante.Currently, many people, including in the industrial environment, wear the same shoes or like footwear without interruption for long periods, for example eight hours or more. This results in high risks of contraction yeast or other epidermal, parasitic conditions or not, feet, or even a scaling of the skin of the soles of the feet and, at the very least, a burning and discomfort, especially for people subject to profuse foot sweating.

Une solution proposée par les fabricants d'articles chaussants a consisté alors à réaliser des perçages dans la tige à des endroits déterminés, notamment au niveau de la partie avant de l'article chaussant.A solution proposed by manufacturers footwear then consisted of making holes in the rod at specific locations, in particular at the front part of the footwear.

Néanmoins, cette solution n'est pas satisfaisante, puisque, d'une part, elle ne permet pas de créer une circulation d'air ou une ventilation sous la plante des pieds, notamment dans la région des orteils et de la zone d'appui en arrière de ces derniers et, d'autre part, elle ne peut être mise en oeuvre sur des chaussures de travail et/ou de sécurité devant être parfaitement étanches. However, this solution is not satisfactory, since, on the one hand, it does not create air circulation or ventilation under the plant feet, especially in the toe area and support area behind these and, on the other hand, it cannot be used on work and / or safety must be perfectly waterproof.

Or, ce sont précisément les articles chaussants de ce dernier type, présentant généralement une semelle d'usure moulée directement sur la tige, qui entraínent les risques d'affections les plus élevés et génèrent les sensations d'inconfort les plus prononcées.Now, these are precisely the footwear of the latter type, generally having a sole wear molded directly on the rod, which drive the highest risk of ailments and generate the most pronounced discomfort.

Un article chaussant présentant plusieurs corps creux placés dans sa semelle d'usure est par ailleurs décrit dans le document WO-A-86 02240. An article of footwear having several hollow bodies placed in its outsole is also described in the document WO-A-86 02240.

La présente invention a notamment pour but de pallier l'ensemble des inconvénients précités.The object of the present invention is in particular to overcome all of the aforementioned drawbacks.

A cet effet, elle a, pour objet, un article chaussant, notamment chaussure de travail et/ou de sécurité comportant une semelle d'usure obtenue par moulage, caractérisé en ce qu'il est pourvu d'un dispositif de circulation d'air intégré dans la masse de la semelle d'usure.To this end, its object is an article footwear, in particular work and / or safety shoe comprising a outsole obtained by molding, characterized in that it is provided with a device for air circulation integrated into the mass of the sole of wear.

La présente invention a également pour objet un procédé de fabrication d'un article chaussant tel que mentionné ci-dessus, caractérise en ce qu'il consiste, tout d'abord, à réaliser, de manière séparée, d'une part, un ensemble tige - semelle première et, d'autre part, le dispositif de circulation d'air, à monter ensuite ce dernier sur ladite semelle première, le cas échéant ensemble avec des éléments de renforcement, à disposer l'ensemble tige - semelle première - dispositif de circulation d'air dans un moule de moulage par injection, puis à injecter le matériau destiné à constituer la semelle d'usure dans ledit moule directement sur ladite semelle première et ladite tige et, enfin, à retirer ledit article chaussant ainsi obtenu dudit moule après solidification dudit matériau injecté.The present invention also relates to a process for manufacturing an article of footwear such as mentioned above, characterized in that it consists, firstly, to be carried out, separately, on the one hand, an upper and sole assembly and, secondly, the air circulation device, then mount it on said first sole, if necessary together with reinforcing elements, to arrange the whole upper - sole - air circulation device in an injection molding mold and then to inject the material intended to constitute the outsole in said mold directly on said sole and said upper and, finally, to remove said footwear thus obtained from said mold after solidification of said material injected.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue en élévation latérale et en coupe partielle d'un article chaussant conforme à l'invention, et
  • la figure 2 est une vue agrandie et en coupe d'un dispositif de solidarisation par enclenchement représenté à la figure 1, avant son assemblage.
    • The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawings, in which:
  • FIG. 1 is a side elevational view in partial section of a footwear article according to the invention, and
  • Figure 2 is an enlarged sectional view of a latching fastening device shown in Figure 1, before assembly.

    • Conformément à l'invention et comme le montre plus particulièrement, à titre d'exemple, la figure 1, l'article chaussant est pourvu d'un dispositif 3 de circulation d'air intégré dans la masse de la semelle d'usure 2.According to the invention and as shown more particularly, by way of example, FIG. 1, the footwear is provided with a circulation device 3 air integrated into the mass of the outsole 2.

    Dans le cas d'un article chaussant 1 du type chaussure de travail ou de sécurité, la semelle d'usure 2 (constituant la semelle extérieure visible de l'article chaussant 1) peut comporter également, de manière connue, des éléments de renforcement 2' intégrés dans sa masse, notamment sous la forme de cambrions, et sa tige 13 peut être doublée, au niveau de l'extrémité avant dudit article chaussant 1, d'un embout ou d'une coquille de protection (non représenté).In the case of a footwear item 1 of the type work or safety shoe, outsole 2 (constituting the visible outsole of the article footwear 1) may also include, in a known manner, reinforcement elements 2 ′ integrated into its mass, in particular in the form of shanks, and its rod 13 can be doubled, at the front end of said article footwear 1, a toe cap or a protective shell (not shown).

    Selon une première caractéristique de l'invention, le dispositif 3 de circulation d'air est principalement constitué par un corps creux 4 fermé, au moins partiellement déformable, comportant une tubulure 5 d'admission d'air, munie d'un dispositif 7 de clapet ou de valve anti-retour, et un tuyau 6 d'évacuation d'air de longueur variable, en fonction notamment de la taille dudit article chaussant 1.According to a first characteristic of the invention, the air circulation device 3 is mainly consisting of a closed hollow body 4, at least partially deformable, comprising tubing 5 air intake, fitted with a valve device 7 or non-return valve, and an air exhaust pipe 6 of variable length, depending in particular on the size of said footwear 1.

    Le dispositif 7 de clapet ou de valve anti-retour mentionné ci-dessus peut, par exemple, se présenter de manière connue sous la forme d'un manchon muni d'une bille pouvant être déplacée d'une position d'obturation (correspondant à la position de repos du clapet ou de la valve) vers une position d'autorisation de passage d'air à travers ledit manchon, ce en fonction du sens de poussée du flux d'air traversant ou cherchant à traverser ledit manchon (figure 1).The check valve or non-return device 7 mentioned above can, for example, present itself in a known manner in the form of a sleeve provided a ball that can be moved from a closed position (corresponding to the rest position of the valve or valve) to a passage authorization position air through said sleeve, depending on the direction of thrust of the air flow crossing or seeking to cross said sleeve (Figure 1).

    Le corps creux 4 présente une partie supérieure 8 voûtée élastiquement déformable et est disposé dans le talon 9 de l'article chaussant 1, ladite partie supérieure 8 étant affleurante au niveau de la semelle première 10 de montage et de propreté dudit article chaussant 1.The hollow body 4 has an upper part 8 elastically deformable arched and is arranged in the heel 9 of footwear 1, said upper part 8 being flush with the first sole 10 for fitting and cleaning said footwear item 1.

    Ledit corps creux 4 est avantageusement centré par rapport à la zone d'appui du talon de l'utilisateur, de manière à être soumis à une pression maximale et à subir une déformation significative.Said hollow body 4 is advantageously centered relative to the bearing area of the user's heel, so as to be subjected to maximum pressure and to undergo significant deformation.

    Comme le montre également la figure 1 des dessins annexés, l'orifice d'aspiration 11 de la tubulure d'admission 5 débouche avantageusement, à travers un orifice de passage 12 correspondant de la semelle première 10 ou de la tige 13, à l'intérieur de l'article chaussant 1, au niveau de la zone entourant le talon de l'utilisateur, préférentiellement dans la partie arrière de cette zone sous le talon de l'utilisateur.As also shown in Figure 1 of the drawings attached, the suction port 11 of the tubing intake 5 advantageously opens through an orifice 12 corresponding passage of the first sole 10 or upper 13, inside the footwear 1, at the level of the area surrounding the user's heel, preferably in the rear part of this area under the user's heel.

    De plus, le tuyau d'évacuation 6 peut déboucher, à travers un orifice de passage 12' correspondant de la semelle première 10, le cas échéant par l'intermédiaire d'un embout coudé 14 d'éjection, dans la région de la semelle première 10 sur laquelle repose les métatarses ou les tarses de l'utilisateur.In addition, the discharge pipe 6 can open, through a corresponding 12 'passage opening of the first sole 10, if necessary via of a bent end piece 14 for ejection, in the region of the first sole 10 on which the metatarsals rest or the user's tarsi.

    Par conséquent, le dispositif 3 de circulation d'air fonctionne par prélèvement d'air dans la région du talon, à l'intérieur de l'article chaussant et par injection de l'air récupéré ainsi par aspiration au niveau des orteils ou dans la zone d'appui en arrière de ceux-ci.Therefore, the circulation device 3 air works by removing air from the region of the heel, inside the footwear and by injection air thus recovered by suction at the toes or in the support area behind them.

    De plus, une partie de l'air aspiré au niveau de l'orifice 11 de la tubulure d'admission 5 peut provenir directement de l'extérieur en pénétrant par l'ouverture supérieure de la tige 13 suite à la dépression générée par l'action d'aspiration.In addition, part of the air sucked in the orifice 11 of the intake manifold 5 can come from directly from the outside by entering through the opening upper of rod 13 following the vacuum generated by the suction action.

    La succession et le séquencement des opérations d'aspiration et d'éjection sont commandés par la valve anti-retour 7 en fonction de la variation de la pression exercée par l'utilisateur sur la partie supérieure voûtée 8 du corps creux 4. The succession and sequencing of operations suction and ejection are controlled by the valve check valve 7 depending on the pressure variation exercised by the user on the arched upper part 8 of the hollow body 4.

    La circulation d'air ou ventilation générée par le dispositif 3 est particulièrement importante dans le cas d'un déplacement de l'utilisateur, du fait des variations importantes de la pression exercée par le talon de l'utilisateur sur la partie supérieure voûtée 8, générant une déformation importante de cette dernière lors de la prise d'appui du pied au niveau du talon. Il en résulte, grâce à la succession alternative d'actions de compression et de relâchement du corps creux 4, un effet de pompage d'air avec aspiration au niveau du talon et éjection dans la région des orteils.The air circulation or ventilation generated by device 3 is particularly important in the in case of user movement, due to variations significant pressure exerted by the heel of the user on the arched upper part 8, generating a significant deformation of the latter during the support of the foot at the heel. As a result, thanks to the alternative succession of compression actions and release of the hollow body 4, a pumping effect air with suction in the heel and ejection in the toe area.

    Selon une caractéristique de l'invention, représentée à la figure 1 et de manière plus détaillée à la figure 2 des dessins annexés, la tubulure d'admission 5, ainsi que le tuyau d'évacuation 6 ou, le cas échéant, l'embout coudé 14 d'éjection, sont fixés à la semelle première 10, au niveau des orifices de passage 12, 12' considérés, au moyen d'un dispositif 15, 16 et 17 de solidarisation rapide.According to a characteristic of the invention, shown in Figure 1 and in more detail in FIG. 2 of the accompanying drawings, the intake manifold 5, as well as the discharge pipe 6 or, where appropriate, the angled tip 14 for ejection, are fixed to the sole first 10, at the passage openings 12, 12 ' considered, by means of a device 15, 16 and 17 for securing fast.

    Conformément à un mode de réalisation préféré de l'invention, chaque dispositif 15, 16 et 17 de solidarisation rapide se présente sous la forme d'un dispositif de fixation par enclenchement ou encliquetage, plus connu sous la dénomination usuelle de "clip" et dont le mode de fonctionnement est analogue à celui d'un bouton-pression.According to a preferred embodiment of the invention, each device 15, 16 and 17 for securing fast comes in the form of a device better known by snap or snap fastening under the usual name of "clip" and whose mode of operation is analogous to that of a press button.

    Comme le montre la figure 2 des dessins annexés, chaque dispositif de fixation par enclenchement ou encliquetage peut être composé, par exemple, d'une part, d'une pièce annulaire 15 rapportée ou formée sur la face supérieure de la semelle première 10 au niveau des orifices de passage 12, 12' et présentant au moins une projection radiale circonférentielle interne 16 constituant au moins un rétrécissement localisé et, d'autre, part, d'un bourrelet, d'un épaulement 17 ou d'une saillie radial(e), continu(e) ou discontinu(e), disposé(e) ou formé(e) sur la face extérieure des extrémités de la tubulure d'admission 5 et du tuyau d'évacuation 6 ou de l'embout coudé d'éjection 14.As shown in Figure 2 of the accompanying drawings, each snap fastener or snap can be composed, for example, on the one hand, an annular part 15 attached or formed on the face upper of the first sole 10 at the orifices passage 12, 12 'and having at least one projection internal circumferential radial 16 constituting at minus a localized narrowing and, on the other hand, a bead, shoulder 17 or radial projection (e), continuous or discontinuous, arranged or formed on the outer face of the ends of the intake manifold 5 and the drain hose 6 or the bent end piece ejection 14.

    Selon une autre caractéristique de l'invention, l'article chaussant 1 comporte une semelle interne ou une voûte plantaire, reposant sur la semelle première 10 de montage ou de propreté, pourvue de moyens d'amenée et de distribution d'air, sous la forme de canaux, de cannelures ou de rainures, convergeant vers la zone des orifices de passage 12, 12' de la semelle première 10.According to another characteristic of the invention, footwear 1 has an insole or a arch, resting on the first sole 10 of assembly or cleanliness, provided with means of supply and air distribution, in the form of channels, grooves or grooves, converging towards the area of the orifices passage 12, 12 'of the first sole 10.

    Comme le montre également la figure 1, le corps creux 4 comporte, sur le dessus de sa partie supérieure voûtée 8, au moins un ergot 18 pour le positionnement du dispositif 1 de circulation d'air sur la semelle première 10, ladite partie supérieure voûtée 8 pouvant, en outre, être supportée, de manière élastique, par un ressort de compression 19 disposé à l'intérieur dudit corps creux 4.As also shown in Figure 1, the body hollow 4 has, on the top of its upper part arched 8, at least one lug 18 for positioning the air circulation device 1 on the first sole 10, said vaulted upper part 8 being able, in addition, be resiliently supported by a spring compression 19 disposed inside said hollow body 4.

    Par ailleurs, ledit corps creux 4 pourra également comporter un matériau solide à action désodorisante et/ou présentant des propriétés de déshumidification, ayant des effets prolongés dans le temps.Furthermore, said hollow body 4 may also contain a solid material with deodorant action and / or having dehumidification properties, having long-lasting effects.

    Ce matériau solide pourra se présenter, par exemple, sous la forme d'un cube de parfum, pouvant également contenir des substances chimiques destinées à éliminer les mauvaises odeurs.This solid material may be present, for example, in the form of a perfume cube, which can also contain chemicals intended to eliminate bad smells.

    En variante, ledit corps 4 pourra contenir une substance liquide destinée à annihiler les mauvaises odeurs d'origine organique, ce liquide pouvant être injecté sous pression par la tubulure d'admission 5 au moyen d'un dispositif d'injection spécifique, notamment d'un tube déformable dont l'extrémité avant peut être introduite dans ladite tubulure.As a variant, said body 4 could contain a liquid substance intended to annihilate bad odors of organic origin, this liquid can be injected under pressure through the intake manifold 5 at by means of a specific injection device, in particular a deformable tube whose front end can be introduced in said tubing.

    Conformément à un premier mode de réalisation de l'invention, la semelle d'usure 2 peut être réalisée en mousse de polyuréthane et présenter une structure monocouche. According to a first embodiment of the invention, the outsole 2 can be produced polyurethane foam and have a structure monolayer.

    Selon un second mode de réalisation de l'invention, la semelle d'usure 2 peut être composée de plusieurs couches de mousse de polyuréthane présentant des densités différentes ou d'un bloc de mousse de polyuréthane à densité variable. Dans ce dernier cas, les couches extérieures de la semelle d'usure 2, notamment celles en contact avec le sol, auront une densité et une rigidité supérieures aux couches intermédiaires ou en contact avec la semelle première 10 ou la tige 13.According to a second embodiment of the invention, the outsole 2 can be made up of several polyurethane foam layers with different densities or block of polyurethane foam with variable density. In the latter case, the layers outsides of outsole 2, especially those in contact with the ground, will have a density and a rigidity higher than the intermediate layers or in contact with the sole 10 or the upper 13.

    L'invention a également pour objet un procédé de fabrication d'un article chaussant tel que décrit ci-dessus, consistant essentiellement, tout d'abord, à réaliser, de manière séparée, d'une part, l'ensemble tige 13 - semelle première 10 et, d'autre part, le dispositif 3 de circulation d'air, à monter ensuite ce dernier sur ladite semelle première 10, le cas échéant ensemble avec des éléments de renforcement 2', à disposer l'ensemble tige 13 - semelle première 10 - dispositif 3 de circulation d'air dans un moule de moulage par injection, puis à injecter le matériau destiné à constituer la semelle d'usure 2 dans ledit moule directement sur ladite semelle première 10 et ladite tige 13 et, enfin, à retirer ledit article chaussant 1 ainsi obtenu dudit moule après solidification dudit matériau injecté.The invention also relates to a method manufacturing an article of footwear as described above, consisting essentially, first of all, of carrying out, separately, on the one hand, the rod assembly 13 - first sole 10 and, on the other hand, the device 3 air circulation, then mount it on said first sole 10, if necessary together with reinforcement elements 2 ', to arrange the assembly upper 13 - sole 10 - device 3 for circulation air into an injection mold and then to inject the material intended to constitute the sole wear 2 in said mold directly on said sole first 10 and said rod 13 and, finally, to remove said footwear 1 thus obtained from said mold after solidification of said injected material.

    Selon une caractéristique de l'invention, la réalisation du dispositif 3 de circulation d'air consiste essentiellement à produire, par moulage par injection, la partie supérieure voûtée 8 et les parois latérales du corps creux 4 dudit dispositif 3 de circulation d'air, d'un seul tenant avec la tubulure d'admission 5, puis à monter un dispositif 7 de clapet ou de valve anti-retour sur ladite tubulure d'admission 5 et à mettre en place le fond dudit corps creux 4 et, enfin, à mettre en place et à solidariser par collage, après introduction partielle dans un orifice ménagé préalablement dans ledit corps creux 4, un tuyau d'évacuation 6 présentant une longueur adaptée à la taille de l'article chaussant 1 et éventuellement pourvu d'un embout coudé d'éjection 14 à son extrémité libre.According to a characteristic of the invention, the realization of the air circulation device 3 consists essentially to produce, by injection molding, the vaulted upper part 8 and the side walls of the hollow body 4 of said air circulation device 3, in one piece with the intake manifold 5, then at fit a check valve or non-return valve device 7 on said intake manifold 5 and to set up the bottom of said hollow body 4 and, finally, to set up and to be joined by gluing, after partial introduction in an orifice previously formed in said body hollow 4, a discharge pipe 6 having a length adapted to the size of footwear 1 and possibly provided with a bent ejection nozzle 14 at its end free.

    Le tuyau d'évacuation 6 peut également, en variante, être pourvu d'un dispositif d'éjection en forme de pommelle, diffusant l'air éjecté par le corps creux 4 à travers la semelle première 10 munie d'une pluralité d'orifices de passage.The discharge pipe 6 can also, as a variant, have a shaped ejection device of pommelle, diffusing the air ejected by the hollow body 4 through the first sole 10 provided with a plurality through holes.

    Conformément à une caractéristique supplémentaire de l'invention, le montage du dispositif 3 de circulation d'air sur la semelle première 10 consiste à enfoncer les extrémités libres de la tubulure d'admission 5, du tuyau d'évacuation 6 ou, le cas échéant, de l'embout d'éjection 14, dans des orifices de passage 12 et 12' correspondants de la semelle première 10, jusqu'à obtention de leur fixation par enclenchement ou encliquetage au moyen de dispositifs 15, 16 et 17 de solidarisation respectifs, et à positionner ledit dispositif 3 de circulation d'air par rapport à ladite semelle première 10 par la mise en place d'un ou de plusieurs ergots 18, disposés sur le corps creux 4 et/ou sur le tuyau d'évacuation 6, dans un ou des orifices de repérage 20 correspondants ménagés dans la semelle première 10.According to an additional feature of the invention, the mounting of the circulation device 3 air on the first sole 10 is to push the free ends of the intake manifold 5, the discharge pipe 6 or, where appropriate, the end piece ejection 14, in through orifices 12 and 12 'correspondents of the first sole 10, until obtaining of their fastening by engagement or snap-fastening by means of fastening devices 15, 16 and 17 and to position said circulation device 3 air relative to said first sole 10 by the establishment of one or more lugs 18, arranged on the hollow body 4 and / or on the discharge pipe 6, in one or more corresponding locating orifices 20 in the sole 10.

    Grâce à l'invention, il est possible de réaliser un article chaussant, notamment une chaussure de travail et/ou de sécurité comportant une semelle d'usure moulée, parfaitement étanche, réalisant une ventilation ou circulation d'air autour du pied, plus particulièrement au niveau de la partie d'appui avant de ce dernier.Thanks to the invention, it is possible to carry out an article of footwear, in particular a work shoe and / or safety with a outsole molded, perfectly waterproof, providing ventilation or air circulation around the foot, more particularly at the level of the front support part of the latter.

    Il en résulte une amélioration notable du confort pour l'utilisateur et une diminution importante des risques de contraction d'affections pédieuses, ce tout en garantissant une sécurité maximale du fait d'une aspiration d'air à l'intérieur de l'article chaussant (étanchéité conservée). This results in a significant improvement in comfort for the user and a significant decrease in risk of contracting ailments, while guaranteeing maximum safety due to suction air inside the footwear (waterproofing preserved).

    En outre, grâce aux dispositifs de solidarisation rapide et aux moyens de positionnement du dispositif de circulation d'air, il est aisé d'intégrer ce dernier dans la masse de la semelle d'usure, par mise en place sur la semelle première dans une phase opératoire préalable au moulage de ladite semelle d'usure.In addition, thanks to the securing devices fast and to the positioning means of the device air circulation, it is easy to integrate the latter in the mass of the outsole, by positioning on the first sole in a preliminary operating phase by molding said outsole.

    Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to embodiment described and shown in the accompanying drawings. Modifications remain possible, in particular from point of view of the constitution of the various elements or by substitution of technical equivalents, without going out provided the scope of protection of the invention.

    Claims (12)

    1. Footwear article, notably a work and/or safety boot having an outsole obtained by moulding and provided with an air circulation device (3), characterised in that the said air circulation device (3) is integrated into the body of the outsole (2) and consists principally of a closed hollow body (4), at least partially deformable, having an air inlet nozzle (5) opening out inside the footwear article (1) at the area surrounding the heel of the user, and of an air discharge tube (6) of variable length, the said nozzle (5) and the said tube (6) being fixed to the first mounting and hygiene sole (10) of the footwear article (1), by means of a rapid connection device (15, 16, 17).
    2. Footwear article according to Claim 1, characterised in that the hollow body (4) has an elastically deformable arched top part (8) and is disposed in the heel (9) of the footwear article (1), the said top part (8) being flush with the first mounting and hygiene sole (10) of the said footwear article (1).
    3. Footwear article according to either one of Claims 1 and 2, characterised in that the suction orifice (11) of the inlet nozzle (5), provided with a non-return shutter or valve device (7), opens out, through a corresponding passage orifice (12) in the first sole (10) or in the leg (13), in the rear part of the area surrounding the heel of the user, underneath the heel.
    4. Footwear article according to any one of Claims 1 to 3, characterised in that the discharge tube (6) opens out, through a corresponding passage orifice (12') in the first sole (10), where necessary by means of a bent ejection connecting piece (14), in the region of the first sole (10) on which the metatarsi or tarsi of the user rest.
    5. Footwear article according to any one of Claims 2 to 4, characterised in that the inlet nozzle (5), as well as the discharge tube (6) or, where applicable, the bent ejection connecting piece (14), are fixed to the first sole (10), at the level of the passage orifices (12, 12') in question, by means of a rapid connection device (15, 16, 17) in the form of a device for fixing by snapping in or catching.
    6. Footwear article according to any one of Claims 1 to 5, characterised in that it has an internal sole or a plantar arch, resting on the first mounting or hygiene sole (10), provided with means of feeding and distributing air, in the form of channels, flutes or grooves.
    7. Footwear article according to any one of Claims 1 to 6, characterised in that the hollow body (4) has, on the top of its arched top part (8), at least one pin (18) for positioning the air circulation device (1) on the first sole (10), the said arched top part (8) also being able to be supported elastically by a compression spring (19) disposed inside the said hollow body (4).
    8. Footwear article according to any one of Claims 1 to 7, characterised in that the outsole (2) is produced from polyurethane foam and has a single-layer structure.
    9. Footwear article according to any one of Claims 1 to 7, characterised in that the outsole (2) is composed of several layers of polyurethane foam having different densities or a block of polyurethane foam with variable density.
    10. Method of manufacturing a footwear article, notably a work and/or safety boot, according to any one of Claims 1 to 9, characterised in that it consists first of all of producing separately on the one hand the assembly consisting of leg (13) and first sole (10) and on the other hand the air circulation device (3), next mounting the latter on the said first sole (10), where applicable together with reinforcement elements (2'), disposing the assembly consisting of leg (13), first sole (10) and air circulation device (3) in an injection moulding mould, then injecting the material designed to form the outsole (2) in the said mould directly on the said first sole (10) and the said leg (13) and, finally, removing the said footwear article (1) thus obtained from the said mould after solidification of the said injected material.
    11. Manufacturing method according to Claim 10, characterised in that the production of the air circulation device (3) consists essentially of producing, by injection moulding, the arched top part (8) and the lateral walls of the hollow body (4) of the said air circulation device (3), in a single piece with the inlet nozzle (5), then mounting a non-return shutter or valve device (7) on the said inlet nozzle (5) and fitting the base of the said hollow body (4) and, finally, fitting and connecting by gluing, after partial insertion into an orifice previously formed in the said hollow body (4), a discharge tube (6) having a length adapted to the size of the footwear article (1) and optionally provided with a bent ejection connecting piece (14) at its free end.
    12. Manufacturing method according to either one of Claims 10 and 11, characterised in that the mounting of the air circulation device (3) on the first sole (10) consists of pushing the free ends of the inlet nozzle (5), discharge tube (6) or, where applicable, ejection connecting piece (14) into the corresponding passage orifices (12, 12') in the first sole (10), until their fixing by snapping in or catching is obtained by means of respective connection devices (15, 16, 17), and positioning the said air circulation device (3) with respect to the said first sole (10) by fitting one or more pins (18), disposed on the hollow body (4) and/or on the discharge tube (6), in one or more corresponding locating orifices (20) formed in the first sole (10).
    EP93440072A 1992-09-07 1993-09-06 Footwear with air-circulating means and method for making the same Expired - Lifetime EP0594518B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9210784A FR2695303B1 (en) 1992-09-07 1992-09-07 Footwear provided with an air circulation device and method of manufacturing such footwear.
    FR9210784 1992-09-07

    Publications (2)

    Publication Number Publication Date
    EP0594518A1 EP0594518A1 (en) 1994-04-27
    EP0594518B1 true EP0594518B1 (en) 1998-04-29

    Family

    ID=9433362

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP93440072A Expired - Lifetime EP0594518B1 (en) 1992-09-07 1993-09-06 Footwear with air-circulating means and method for making the same

    Country Status (8)

    Country Link
    EP (1) EP0594518B1 (en)
    JP (1) JP2761618B2 (en)
    CN (1) CN1088765A (en)
    AT (1) ATE165494T1 (en)
    DE (1) DE69318246T2 (en)
    DK (1) DK0594518T3 (en)
    ES (1) ES2118211T3 (en)
    FR (1) FR2695303B1 (en)

    Families Citing this family (12)

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    US5341581A (en) * 1993-09-15 1994-08-30 Kinger Huang Compression cooling system of shoe midsole
    FR2727606B1 (en) 1994-12-02 1997-01-17 Vermonet Christian VENTILATION DEVICE FOR FOOTWEAR AND MANUFACTURING METHOD
    WO1996024267A1 (en) * 1995-02-06 1996-08-15 Jeong Kun Yoon Shoes excellent in ventilation
    EP0741978A1 (en) * 1995-05-09 1996-11-13 Antonio Bottecchia Footwear of various kind with foot ventilation
    FR2755587B1 (en) * 1996-11-08 1998-12-31 Jallatte AIR CIRCULATING FOOTWEAR AND MANUFACTURING METHOD THEREOF
    CN2261161Y (en) * 1996-12-06 1997-09-03 陈志红 Three air chamber shoesole
    DE10333516B4 (en) * 2003-07-17 2006-09-07 Maria Pauli footwear
    ITTV20050110A1 (en) 2005-07-21 2007-01-22 Generazione Srl FOOTWEAR STRUCTURE WITH IMPROVED IMPROVEMENT.
    IT1396364B1 (en) * 2009-10-29 2012-11-19 Gruppo Meccaniche Luciani S R L FOOTWEAR WITH VENTILATION SYSTEM.
    CN102119795B (en) * 2010-01-11 2013-05-01 郑国宏 Safety shoes with ventilation function and production technology thereof
    CN102940340B (en) * 2012-12-06 2015-12-09 浙江雅浪鞋业有限公司 A kind of ventilation mechanism, the health shoes with this ventilation mechanism and preparation method thereof
    CN103222707B (en) * 2013-05-27 2015-05-13 苏州万类专利技术服务有限公司 Ventilating type air-permeable shoe

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    NL7111081A (en) * 1970-08-12 1972-02-15
    JPS54100849A (en) * 1978-01-24 1979-08-08 Mitsuharu Isozaki Shoe that its inside is automatically ventilated
    GB8426317D0 (en) * 1984-10-18 1984-11-21 Caldwell K Pump
    JPS61163501U (en) * 1985-03-31 1986-10-09
    GB8531139D0 (en) * 1985-12-18 1986-01-29 R Plc Sa Footwear
    JPS6325003U (en) * 1986-08-01 1988-02-18
    GB2210771B (en) * 1987-10-13 1991-04-03 Dunlop Ltd Footwear reinforcement
    AU580532B3 (en) * 1988-04-18 1988-11-22 Zdravko Mario Kuzmic Insole with foot operated ventilating pump
    JPH057924Y2 (en) * 1990-06-18 1993-03-01

    Also Published As

    Publication number Publication date
    CN1088765A (en) 1994-07-06
    EP0594518A1 (en) 1994-04-27
    JPH07204A (en) 1995-01-06
    FR2695303B1 (en) 1994-10-28
    JP2761618B2 (en) 1998-06-04
    FR2695303A1 (en) 1994-03-11
    ATE165494T1 (en) 1998-05-15
    DE69318246T2 (en) 1998-12-03
    DK0594518T3 (en) 1999-02-15
    ES2118211T3 (en) 1998-09-16
    DE69318246D1 (en) 1998-06-04

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