EP2425731A1 - Safety shoe cover - Google Patents

Safety shoe cover Download PDF

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Publication number
EP2425731A1
EP2425731A1 EP10290473A EP10290473A EP2425731A1 EP 2425731 A1 EP2425731 A1 EP 2425731A1 EP 10290473 A EP10290473 A EP 10290473A EP 10290473 A EP10290473 A EP 10290473A EP 2425731 A1 EP2425731 A1 EP 2425731A1
Authority
EP
European Patent Office
Prior art keywords
overshoe
flange
front part
front portion
sole
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
EP10290473A
Other languages
German (de)
French (fr)
Other versions
EP2425731B1 (en
Inventor
Nicolas Mille
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.)
Mille Sas
Original Assignee
Mille Sas
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43464552&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2425731(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mille Sas filed Critical Mille Sas
Priority to PL10290473T priority Critical patent/PL2425731T3/en
Priority to EP10290473.7A priority patent/EP2425731B1/en
Priority to ES10290473.7T priority patent/ES2509516T3/en
Priority to CA2750534A priority patent/CA2750534A1/en
Priority to BRPI1105912A priority patent/BRPI1105912A2/en
Priority to US13/224,963 priority patent/US20120060389A1/en
Priority to JP2011005188U priority patent/JP3171792U/en
Publication of EP2425731A1 publication Critical patent/EP2425731A1/en
Publication of EP2425731B1 publication Critical patent/EP2425731B1/en
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/16Overshoes
    • A43B3/163Overshoes specially adapted for health or hygienic purposes, e.g. comprising electrically conductive material allowing the discharge of electrostatic charges
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/08Heel stiffeners; Toe stiffeners
    • A43B23/081Toe stiffeners
    • A43B23/086Toe stiffeners made of impregnated fabrics, plastics or the like
    • A43B23/087Toe stiffeners made of impregnated fabrics, plastics or the like made of plastics
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/16Overshoes
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/16Overshoes
    • A43B3/18Devices for holding overshoes in position
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/16Overshoes
    • A43B3/20Heel-less overshoes
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/26Footwear characterised by the shape or the use adjustable as to length or size
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/32Footwear with health or hygienic arrangements with shock-absorbing means
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43CFASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C13/00Wear-resisting attachments
    • A43C13/14Special attachments for toe-caps; Protecting caps for toe-caps

Definitions

  • the present invention relates to a protective over-shoe, reusable, and directly adjustable to the street shoes with great ease, allowing visitors to occasionally move in areas at risk, as part of the personal protective equipment.
  • EP-2064964 it is specified that it includes an elastic adjustable to the size of the town shoe connected to a forefoot leather and / or textile covering a tip, an anti-slip pad, a leather upper lining and / or textile, a similar lining for the dressing of the inside of the mouthpiece, a back protector bumper leather and / or textile.
  • connecting means between the front part and the flange allow relative movement between them.
  • the use of articulation means is recommended.
  • Rotating means will in particular be favorable to allow the front portion and the rear flange to pivot relative to each other.
  • the sole extends backwards at least substantially to the right of the top of a zone of the front part. which goes up on the kick, and / or this sole is striated and is provided with studs, staggered longitudinally
  • over-shoe 1 comprising a hollow front portion 3 open at the rear (AR) for engaging the shoe (thin line 5; fig.8 ), and a rear strap 7 to pass behind the heel 50 of this shoe.
  • the hollow front portion 3 has a sole 31.
  • the rear flange 7 is structurally dissociated from the front part 3, that is to say that the two parts constitute two separate, independent parts.
  • these means 8 allow movement between the front portion 3 and the flange 7.
  • these means comprise, on each side of the hollow portion before 3, two structurally dissociated parts 9, 11 comprising a cylindrical pin 9a projecting terminated by an enlarged head 9b and force-fitted or screwed into a tubular shaft 11a itself finished by an enlarged head 11b; see fig.6 .
  • the means 8 or 9,11 pass into orifices, respectively 30, 70, of the front part and of the rear flange. They are thus preferably arranged perpendicular to the axis of elongation of the overshoe.
  • FIG. 1 the over-shoe 1 is in the normal position of use.
  • the rear flange 7 is tilted substantially horizontally and is passed behind the heel 50.
  • Figure 2 the rear flange 7 is tilted upwards.
  • a free swing down is also a priori possible and will be more convenient to put on the shoe.
  • this flange here monobloc, widens from front to rear. This will be supportive of flexibility, elasticity and good back support.
  • FIG. 7 we always see figure 1 that, laterally, on both sides, it will favorably present a slot 73 elongate in the direction of elongation of the flange. It will be noted that, in the figures, this slot 73 thus separates respectively upper and lower zones forming strips. In this way, we will associate resistance, flexibility and elasticity.
  • the strips may be joined together in the intermediate portion, for example at mid-length, by an integrated spacer (therefore plastic).
  • figures 1 and 3 for example, it is seen that these strips are preferably also joined at the rear by the widened heel 73 which can be surmounted by the tongue 71.
  • the front part 3 and the flange 7 are made entirely of elastomer or thermoplastic plastic, in particular TPV (vulcanized thermoplastic), TPU (thermoplastic polyurethane), TPE (thermoplastic elastomer), preferably with a hardness of between 5 and 60 Shore D.
  • TPV vulcanized thermoplastic
  • TPU thermoplastic polyurethane
  • TPE thermoplastic elastomer
  • the flange 7 has an elastic elongation capacity greater than 1000%, or even 1150%. We also advise a remanent deformation of less than 50%. Preferably this flange will be molded monobloc.
  • the sole 31 of the front part is refined in thickness, at the rear, 31a where it has a chamfered portion, over its entire width.
  • FIG. 2 , 8 It can now be seen that in front of the kick the front portion 3 will favorably have one or more protuberances 17 elongated substantially horizontally and extending laterally. This will limit risks that obstacles slide along this area, upwards, and reach the ankle.
  • the front portion 3 made of plastic material will be reinforced at the front, at the toe area, by a hollow shell 18 that is more rigid and mechanically stronger than said plastic material.
  • a hollow shell 18 that is more rigid and mechanically stronger than said plastic material.
  • the shell 18 is, during the molding of the front portion 3, embedded in the plastic material in which said front portion will be formed.
  • This hull goes up here down to the bottom of the instep. Furthermore, in the figures, it extends in the front of the sole 31, which increases its strength.
  • the shell 18 may be metallic, especially stainless steel; but it is recommended that it be made of a non-metallic, non-magnetic composite material.
  • the connecting means 8 between the front portion 3 and the rear flange 7 (which may each be identical to what has been described above) comprise, on one of the parts (3 or 7), at least one stud (or pin) protruding 90a forcibly engaged in one of several orifices 110a, 110b, 110c formed on the other part.
  • Fig.9 we see such a plot. An elastic connection in the manner of clips can thus be realized. The use of several pads thus engaged in several orifices would secure the connection.
  • the lateral portion 33a of lesser thickness extends forward at the place of the instep, above the zone reinforced by the hollow shell 17, this zone of extra thickness joining said portion 33b , with which it forms here a same set, including the integrated tongue 330b which, from the front, projects upwards; see also fig.3 .
  • One or more rows 110a, 110b, 110c disposed substantially parallel to the axis 15 of elongation, as illustrated, will allow adjustment in length, so a matching in sizes.
  • connecting means 8 provided, in part, on the front portion 3, and partly on the flange 7, made of malleable plastic material and inter-engaged (here by force and / or by screwing as the pin (s) and barrel (s) or stud (s) and orifice (s) will promote a safe and inexpensive connection.
  • the links 8 could be removable, once the parts formed respectively on the front portion 3 and on the flange 7 engaged together. This would replace for example a broken flange and interchangeability.
  • a unit of several on-shoes available each of the type presented above, comprises several front parts 3 of several different sizes and fewer rear flanges 7 only parts before 3.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The overshoes (1) has a rear portion band (7) that is passed through back of heel of shoes. The rear portion band is separated structurally and connected to a hollow front portion (3) by using connection portion (8). The rear portion band is integrally molded. The front portion and rear portion band are formed by elastomer or thermoplastic material.

Description

La présente invention concerne une sur-chaussure de protection, réutilisable, et ajustable directement aux chaussures de ville avec une très grande facilité, permettant aux visiteurs de se déplacer occasionnellement dans les zones à risque, dans le cadre des équipements de protection individuelle.The present invention relates to a protective over-shoe, reusable, and directly adjustable to the street shoes with great ease, allowing visitors to occasionally move in areas at risk, as part of the personal protective equipment.

Traditionnellement, lors de visites d'usine ou de chantiers, lorsque le port de chaussures de sécurité est obligatoire, EP-2064964 explique que plusieurs inconvénients sont présents :

  • difficulté de détenir toutes les pointures de chaussures, et en quantité importante pour équiper les visiteurs,
  • nécessité d'un stock permanent concernant les chaussures de sécurité destinées aux visiteurs,
  • coût de fabrication important,
  • nécessité de procéder, au nettoyage et à la désinfection des chaussures pour des raisons d'hygiène, ou à leur destruction, après utilisation.
Traditionally, when visiting factory or construction sites, when the wearing of safety shoes is mandatory, EP-2064964 explains that several disadvantages are present:
  • difficulty of holding all the sizes of shoes, and in large quantity to equip the visitors,
  • need for a permanent stock of safety shoes for visitors,
  • significant manufacturing cost,
  • need to clean, disinfect and clean shoes after use.

Un problème demeure toutefois qui concerne la fabrication de la sur-chaussure et les conditions d'utilisation qui en découlent.A problem remains, however, which concerns the manufacture of the overshoe and the conditions of use which result from it.

En effet, dans EP-2064964 il est précisé qu'elle comprend un élastique ajustable à la pointure de la chaussure de ville relié à un avant-pied cuir et/ou textile recouvrant un embout, un patin antiglisse, une doublure d'empeigne en cuir et/ou textile, une doublure de même pour l'habillage de l'intérieur de l'embout, un plastron de protection arrière talon en cuir et/ou textile.Indeed, in EP-2064964 it is specified that it includes an elastic adjustable to the size of the town shoe connected to a forefoot leather and / or textile covering a tip, an anti-slip pad, a leather upper lining and / or textile, a similar lining for the dressing of the inside of the mouthpiece, a back protector bumper leather and / or textile.

En outre, un mode opératoire précis est à suivre pour la fabrication : en premier lieu, il est procédé à la coupe de tous les éléments ; en second lieu, il est procédé à l'assemblage par piqûre d'une partie des pièces ; en troisième lieu, il est procédé à l'habillage de l'embout par les éléments coupés en cuir et textile(s) ; enfin, il est procédé au collage du patin.In addition, a precise procedure is to be followed for the manufacture: in the first place, it is proceeded to the cutting of all the elements; in the second place, it is proceeded to the piecing assembly of a part of the pieces; third, it is proceeded to the dressing of the tip by the cut elements of leather and textile (s); finally, the gluing of the shoe is carried out.

Dans la solution ici imaginée, il est, de façon différente, proposé que la sur-chaussure comprenne :

  • une partie avant creuse ouverte à l'arrière pour qu'y soit engagée la chaussure,
  • et une bride arrière à passer derrière la talon de la chaussure, cette bride arrière étant structurellement dissociée de la partie avant et liée à elle par des moyens de liaison.
In the solution imagined here, it is, in a different way, proposed that the over-shoe include:
  • a hollow front part open at the back to engage the shoe,
  • and a rear flange to pass behind the heel of the boot, the rear flange being structurally dissociated from the front portion and bonded thereto by connecting means.

Ceci doit pallier efficacement les inconvénients ci-dessus évoqués, en permettant en outre aux visiteurs de ne pas se déchausser lors des visites d'usine ou de passages occasionnels dans des zones à risque. Le pied n'étant pas en contact avec la sur-chaussure, il n'y a pas non plus de nécessité de nettoyage après utilisation.This must effectively overcome the disadvantages mentioned above, while allowing visitors not to take off shoes during factory visits or occasional passages in risk areas. The foot is not in contact with the over-shoe, there is no need for cleaning after use.

Ce dernier point sera d'autant plus satisfait si l'on respecte la recommandation selon laquelle la partie avant et la bride sont (de préférence exclusivement) en plastique élastomère ou thermoplastique. On recommande une dureté comprise entre 5 et 60 shores D. Ceci assurera également une bonne sécurité d'utilisation.This last point will be all the more satisfied if we respect the recommendation according to which the front part and the flange are (preferably exclusively) elastomeric plastic or thermoplastic. We recommend a hardness of between 5 and 60 shores D. This will also ensure good safety of use.

On recommande par ailleurs que les moyens de liaison entre la partie avant et la bride permettent un mouvement relatif entre elles. On conseille l'utilisation de moyens d'articulation. Des moyens de rotation seront en particulier favorables à permettre à la partie avant et à la bride arrière de pivoter l'une par rapport à l'autre. Ainsi, on alliera facilité de fabrication et facilité d'usage.It is further recommended that the connecting means between the front part and the flange allow relative movement between them. The use of articulation means is recommended. Rotating means will in particular be favorable to allow the front portion and the rear flange to pivot relative to each other. Thus, we will combine ease of manufacture and ease of use.

Pour faciliter la marche et accroître encore la sécurité d'emploi, on conseille par ailleurs qu'une semelle équipe la partie avant, cette semelle s'affinant de préférence en épaisseur, à l'arrière.To facilitate walking and further increase the safety of use, it is further advised that a sole team the front part, this sole preferably thinning in the back.

Egalement pour la sécurité à la fois contre les agressions chimiques de produits présents au sol et les glissades on recommande que, dessous, la semelle s'étende vers l'arrière au moins jusque sensiblement au droit du sommet d'une zone de la partie avant qui remonte sur le coup de pied, et/ou cette semelle est striée et est pourvue de plots, échelonnés longitudinalementAlso for the sake of safety against chemical attacks of products on the ground and slips it is recommended that, below, the sole extends backwards at least substantially to the right of the top of a zone of the front part. which goes up on the kick, and / or this sole is striated and is provided with studs, staggered longitudinally

D'autres caractéristiques de la sur-chaussure sont évoquées plus loin.Other characteristics of the over-shoe are discussed below.

A noter qu'est également concerné un ensemble de plusieurs sur-chaussures comprenant chacune tout ou partie des caractéristiques de celle ici présentée, cet ensemble comportant plusieurs parties avant de plusieurs pointures différentes et moins de brides arrière que de parties avant.Note that is also concerned a set of several over-shoes each comprising all or part of the features of the one presented here, this set comprising several front parts of several different sizes and fewer rear flanges than front parts.

Pour une présentation illustrée de l'ensemble des caractéristiques ici concernées on va maintenant détailler à titre non limitatif un mode de réalisation et présente rune alternative, en relation avec les dessins annexés qui font partie intégrante de la présente description et où:

  • la figure 1 représente une vue du profil de la sur-chaussure proposée, en position normale d'utilisation,
  • la figure 2 représente une vue du profil de la sur-chaussure proposée, dans une position de la bride arrière basculée vers le haut,
  • la figure 3 représente une vue de dessus de la partie avant de la sur-chaussure,
  • la figure 4 représente une vue de la partie arrière de la bride à l'endroit du talon,
  • la figure 5 représente une vue du dessous de la semelle,
  • la figure 6 représente un détail de la fixation latérale articulable entre la partie avant et la bride arrière, et
  • la figure 7 est un schéma de la coque de renforcement que l'on conseille de disposer au bout de la partie avant,
  • la figure 8 est un schéma d'alternative de sur-chaussure,
  • la fig 9 schématise en coupe horizontale un plot de liaison engagé dans un orifice.
For an illustrated presentation of all the features here concerned, we will now detail a non-limiting embodiment and present rune alternative, in connection with the accompanying drawings which form an integral part of the present description and where:
  • the figure 1 represents a view of the profile of the proposed over-shoe, in the normal position of use,
  • the figure 2 represents a view of the profile of the proposed over-shoe, in a position of the upwardly flanged flange,
  • the figure 3 represents a view from above of the front part of the over-shoe,
  • the figure 4 is a view of the back of the flange at the heel
  • the figure 5 represents a view from below of the sole,
  • the figure 6 represents a detail of the articulable lateral attachment between the front part and the rear flange, and
  • the figure 7 is a diagram of the reinforcing shell which is recommended to have at the end of the front part,
  • the figure 8 is an alternative scheme of over-shoe,
  • the fig 9 schematically in horizontal section a bonding pad engaged in an orifice.

Sur les illustrations, on voit donc une sur-chaussure 1 comprenant une partie avant creuse 3 ouverte à l'arrière (AR) pour qu'y soit engagée la chaussure (trait fin 5 ; fig.8), et une bride arrière 7 à passer derrière le talon 50 de cette chaussure.On the illustrations, therefore, we see an over-shoe 1 comprising a hollow front portion 3 open at the rear (AR) for engaging the shoe (thin line 5; fig.8 ), and a rear strap 7 to pass behind the heel 50 of this shoe.

De préférence, la partie avant creuse 3 présente une semelle 31.Preferably, the hollow front portion 3 has a sole 31.

La bride arrière 7 est structurellement dissociée de la partie avant 3, c'est-à-dire que les deux parties constituent deux pièces séparées, indépendantes.The rear flange 7 is structurally dissociated from the front part 3, that is to say that the two parts constitute two separate, independent parts.

Ces pièces 3, 7 sont toutefois liées entre elles par des moyens 8 de liaison.These parts 3, 7 are however interconnected by connecting means 8.

En l'espèce, ces moyens 8 permettent un mouvement entre la partie avant 3 et la bride 7.In this case, these means 8 allow movement between the front portion 3 and the flange 7.

Ici, il s'agit de moyens d'articulation permettant une rotation entre la partie avant 3 et la bride arrière 7.Here, it is a means of articulation allowing a rotation between the front part 3 and the rear flange 7.

De préférence, par souci d'efficacité, de simplicité de fabrication et de coût réduit, ces moyens permettant le mouvement, référencés donc de façon générale 8, comprennent, de chaque côté de la partie creuse avant 3, deux parties structurellement dissociées 9, 11 comprenant un pion cylindrique 9a saillant terminé par une tête élargie 9b et engagé à force ou vissé dans un fût 11a tubulaire lui-même terminé par une tête élargie 11b ; voir fig.6.Preferably, for the sake of efficiency, simplicity of manufacture and reduced cost, these means allowing movement, referenced therefore of generally 8, comprise, on each side of the hollow portion before 3, two structurally dissociated parts 9, 11 comprising a cylindrical pin 9a projecting terminated by an enlarged head 9b and force-fitted or screwed into a tubular shaft 11a itself finished by an enlarged head 11b; see fig.6 .

Les moyens 8 ou 9,11 passent dans des orifices, respectivement 30, 70, de la partie avant et de la bride arrière. Ils sont ainsi disposés de préférence perpendiculairement à l'axe 15 d'allongement de la sur-chaussure.The means 8 or 9,11 pass into orifices, respectively 30, 70, of the front part and of the rear flange. They are thus preferably arranged perpendicular to the axis of elongation of the overshoe.

Figure 1, la sur-chaussure 1 est en position normale d'utilisation. La bride arrière 7 est basculée sensiblement à l'horizontale et est passée derrière le talon 50. Figure 2, la bride arrière 7 est basculée vers le haut. Un basculement libre vers le bas est aussi a priori possible et sera plus pratique pour enfiler la sur-chaussure. Figure 1 , the over-shoe 1 is in the normal position of use. The rear flange 7 is tilted substantially horizontally and is passed behind the heel 50. Figure 2 , the rear flange 7 is tilted upwards. A free swing down is also a priori possible and will be more convenient to put on the shoe.

Pour faciliter les manoeuvres de la bride, on conseille qu'elle présente à l'arrière une languette 71 saillante vers le haut. Figure 1, on voit que la languette 71 monte en s'inclinant vers l'arrière, derrière le talon. Elle est ici striée pour être anti-dérapante.To facilitate the maneuvers of the flange, it is recommended that it has at the rear a tab 71 projecting upwards. Figure 1 , we see that the tongue 71 rises bowing backwards, behind the heel. It is here streaked to be anti-slip.

Concernant encore la bride 7, on voit figure 1 par exemple, que de préférence, derrière la zone des orifices 30, 70, cette bride, ici monobloc, va en s'élargissant de l'avant vers l'arrière. Ceci sera favorable à la souplesse, à l'élasticité et à un bon maintien arrière.Regarding still the flange 7, we see figure 1 for example, that, preferably, behind the zone of the orifices 30, 70, this flange, here monobloc, widens from front to rear. This will be supportive of flexibility, elasticity and good back support.

Concernant encore la bride 7, on voit toujours figure 1 que, latéralement, de part et d'autre, elle présentera favorablement une fente 73 allongée dans la direction d'allongement de la bride. On remarquera que, sur les figures, cette fente 73 sépare ainsi des zones respectivement supérieure et inférieure formant lanières. De cette manière, on associera résistance, souplesse et élasticité. Les lanières pourront être réunies entre elles en partie intermédiaire, par exemple à mi-longueur, par une entretoise intégrée (donc en plastique) 21. Sur les figures 1 et 3 par exemple, on voit que ces lanières sont de préférence également réunies à l'arrière par le talon élargi 73 qui peut être surmonté par la languette 71.Regarding still the flange 7, we always see figure 1 that, laterally, on both sides, it will favorably present a slot 73 elongate in the direction of elongation of the flange. It will be noted that, in the figures, this slot 73 thus separates respectively upper and lower zones forming strips. In this way, we will associate resistance, flexibility and elasticity. The strips may be joined together in the intermediate portion, for example at mid-length, by an integrated spacer (therefore plastic). figures 1 and 3 for example, it is seen that these strips are preferably also joined at the rear by the widened heel 73 which can be surmounted by the tongue 71.

On recommande par ailleurs que, pour les raisons ci-avant, la partie avant 3 et la bride 7 soient entièrement en plastique élastomère ou thermoplastique, en particulier TPV (thermoplastique vulcanisé), TPU (polyuréthane thermoplastique), TPE (élastomère thermoplastique), de préférence avec une dureté comprise entre 5 et 60 shores D. On obtiendra ainsi, favorablement, un produit lavable à l'eau et à très bonne résistance aux coupures, à l'abrasion et à de nombreuses projections, alimentaires ou chimiques, hydrocarbures notamment.It is furthermore recommended that, for the above reasons, the front part 3 and the flange 7 are made entirely of elastomer or thermoplastic plastic, in particular TPV (vulcanized thermoplastic), TPU (thermoplastic polyurethane), TPE (thermoplastic elastomer), preferably with a hardness of between 5 and 60 Shore D. Thus, will be obtained, favorably, a product washable with water and very good resistance to cuts, abrasion and many projections, food or chemical, including hydrocarbons.

Une autre recommandation est que la bride 7 présente une capacité d'allongement élastique supérieure à 1000%, voire 1150%. On conseille aussi une déformation rémanente inférieure à 50%. De préférence cette bride sera moulée monobloc.Another recommendation is that the flange 7 has an elastic elongation capacity greater than 1000%, or even 1150%. We also advise a remanent deformation of less than 50%. Preferably this flange will be molded monobloc.

Une résistance à l'arrachement de la galoche de l'élastique de 900 N est également prévue.Resistance to peel off the 900 N rubber band is also provided.

Pour allier sécurité et facilité de marche, on recommande encore, comme montré par exemple figures 1 et 5, que la semelle 31 de la partie avant s'affine en épaisseur, à l'arrière, en 31a où elle présente donc une partie chanfreinée, sur toute sa largeur.To combine safety and ease of operation, it is still recommended, as shown for example figures 1 and 5 , that the sole 31 of the front part is refined in thickness, at the rear, 31a where it has a chamfered portion, over its entire width.

Figures 1,5 encore, on peut voir que, favorablement, et pour les mêmes raisons que ci-dessus, la semelle 31:

  • s'étendra, vers l'arrière, au moins jusque sensiblement au droit du sommet 13a d'une zone 13 de la partie avant 3 qui remonte sur le coup de pied,
  • et/ou cette semelle sera striée, en 130, et, en 131, pourvue de plots de préférence quadrangulaires et échelonnés longitudinalement.
Figures 1 , 5 again, it can be seen that, favorably, and for the same reasons as above, the sole 31:
  • will extend, at the rear, at least substantially to the right of the top 13a of an area 13 of the front portion 3 which rises on the kick,
  • and / or this sole will be ridged, at 130, and, at 131, provided with preferably quadrangular and longitudinally spaced studs.

Figures 2,8, on voit maintenant que devant, sur le coup de pied, la partie avant 3 présentera favorablement une ou plusieurs excroissances 17 allongées sensiblement horizontalement et se prolongeant latéralement. On limitera ainsi les risques que des obstacles glissent le long de cette zone, vers le haut, et atteignent la cheville. Figures 2 , 8 It can now be seen that in front of the kick the front portion 3 will favorably have one or more protuberances 17 elongated substantially horizontally and extending laterally. This will limit risks that obstacles slide along this area, upwards, and reach the ankle.

Figures 1-3,7,8, on remarquera encore que, favorablement, la partie avant 3 en matière plastique, sera renforcée à l'avant, à l'endroit des orteils, par une coque creuse 18 plus rigide et mécaniquement plus résistante que ladite matière plastique. Ainsi, la résistance mécanique de cette zone critique sera accrue. Figures 1-3 , 7.8 it will further be noted that, favorably, the front portion 3 made of plastic material will be reinforced at the front, at the toe area, by a hollow shell 18 that is more rigid and mechanically stronger than said plastic material. Thus, the mechanical strength of this critical zone will be increased.

On conseille que la coque 18 soit, lors du moulage de la partie avant 3, noyée dans la matière plastique dans laquelle sera formée ladite partie avant.It is advisable that the shell 18 is, during the molding of the front portion 3, embedded in the plastic material in which said front portion will be formed.

Cette coque remonte ici jusque vers le bas du cou de pied. Par ailleurs, sur les figures, elle s'étend dans l'avant de la semelle 31, ce qui accroît sa résistance.This hull goes up here down to the bottom of the instep. Furthermore, in the figures, it extends in the front of the sole 31, which increases its strength.

La coque 18 pourra être métallique, acier inoxydable en particulier ; mais on conseille qu'elle soit en matériau composite non métallique, amagnétique.The shell 18 may be metallic, especially stainless steel; but it is recommended that it be made of a non-metallic, non-magnetic composite material.

On prévoit, avec une telle coque, d'assurer une protection des orteils contre les chocs équivalents à 200 Joules et contre les risques d'écrasement sous une charge maximale de 1500 daN.With such a shell, it is expected to provide toe protection against shocks equivalent to 200 Joules and against the risk of crushing under a maximum load of 1500 daN.

Figure 8, les moyens 8 de liaison entre la partie avant 3 et la bride arrière 7 (qui peuvent être chacune identique à ce qui a été décrit ci-avant) comprennent, sur l'une des parties (3 ou 7), au moins un plot (ou pion) saillant 90a engagé à force dans l'un parmi plusieurs orifices 110a,110b,110c formés sur l'autre partie. Fig.9, on voit un tel plot. Une liaison élastique à la manière de clips pourra ainsi être réalisée. L'utilisation de plusieurs plots ainsi engagés dans plusieurs orifices sécuriseraient la liaison. On conseille de disposer ces plots et orifices latéralement, de part et d'autre desdites parties 3,7 ; ici c'est en bout de bride et dans une partie latérale 33a de la partie avant située au-dessus d'une partie 33b en surépaisseur qui remonte latéralement depuis la semelle, comme illustré. Figure 8 , the connecting means 8 between the front portion 3 and the rear flange 7 (which may each be identical to what has been described above) comprise, on one of the parts (3 or 7), at least one stud (or pin) protruding 90a forcibly engaged in one of several orifices 110a, 110b, 110c formed on the other part. Fig.9 we see such a plot. An elastic connection in the manner of clips can thus be realized. The use of several pads thus engaged in several orifices would secure the connection. It is advisable to arrange these pads and orifices laterally, on either side of said parts 3.7; here it is at the end of the flange and in a lateral portion 33a of the front portion located above a portion 33b extra thickness that rises laterally from the sole, as illustrated.

Comme sur la version précédente, la partie latérale 33a d'épaisseur moindre se prolonge à l'avant à l'endroit du cou de pied, au-dessus de la zone renforcée par la coque creuse 17, cette zone en surépaisseur rejoignant ladite partie 33b, avec laquelle elle forme ici un même ensemble, y compris la languette intégrée 330b qui, de face, se projette vers le haut ; voir également fig.3.As on the previous version, the lateral portion 33a of lesser thickness extends forward at the place of the instep, above the zone reinforced by the hollow shell 17, this zone of extra thickness joining said portion 33b , with which it forms here a same set, including the integrated tongue 330b which, from the front, projects upwards; see also fig.3 .

Si on ne prévoit qu'un plot de part et d'autre on permettra une rotation entre les parties 3,7. Une (des) rangée(s) de plusieurs orifices 110a,110b,110c disposés sensiblement parallèlement à l'axe 15 d'allongement, comme illustré, permettra un réglage en longueur, donc une adaptation en pointures.If it is expected that a pad on either side will allow a rotation between parts 3.7. One or more rows 110a, 110b, 110c disposed substantially parallel to the axis 15 of elongation, as illustrated, will allow adjustment in length, so a matching in sizes.

On notera que, dans les deux versions, l'utilisation de moyens de liaison 8 prévus, pour partie, sur la partie avant 3, et pour partie, sur la bride 7, réalisés en matière plastique malléable et inter-engagés (ici à force et/ou par vissage comme les pion(s) et fût(s) ou les plot(s) et orifice(s)) favorisera une liaison sûre et peu onéreuse.Note that, in both versions, the use of connecting means 8 provided, in part, on the front portion 3, and partly on the flange 7, made of malleable plastic material and inter-engaged (here by force and / or by screwing as the pin (s) and barrel (s) or stud (s) and orifice (s) will promote a safe and inexpensive connection.

Les liaisons 8 pourraient être amovibles, une fois les parties formées respectivement sur la partie avant 3 et sur la bride 7 engagées ensemble. Ceci permettrait de remplacer par exemple une bride cassée et une interchangeabilité.The links 8 could be removable, once the parts formed respectively on the front portion 3 and on the flange 7 engaged together. This would replace for example a broken flange and interchangeability.

Concernant encore un autre aspect du concept ici présenté, il est d'ailleurs recommandé qu'une unité de plusieurs sur-chaussures disponibles, chacune du type ci-avant présenté, comprenne plusieurs parties avant 3 de plusieurs pointures différentes et moins de brides arrière 7 que de parties avant 3.Regarding yet another aspect of the concept presented here, it is also recommended that a unit of several on-shoes available, each of the type presented above, comprises several front parts 3 of several different sizes and fewer rear flanges 7 only parts before 3.

Ainsi, on pourrait prévoir seulement trois tailles de parties avant 3 couvrant les pointures du 35 au 48, et seulement une, voire deux, brides arrière 7 différentes, avec les avantages en termes de moindre coût, de facilité de gestion des stocks et d'interchangeabilité, voire de limitation d'éventuelles erreurs de montage entre les parties 3, 7, qui en résulteront.Thus, it would be possible to provide only three sizes of front portions 3 covering the sizes of 35 to 48, and only one or even two rear flanges 7 different, with the advantages in terms of lower cost, ease of inventory management and interchangeability, or even limitation of any mounting errors between parts 3, 7, which will result.

Claims (15)

Sur-chaussure (1) comprenant une partie avant creuse (3) ouverte à l'arrière pour qu'y soit engagée la chaussure, et une bride arrière (7) à passer derrière le talon (50) de la chaussure, caractérisée en ce que la bride arrière (7) est structurellement dissociée de la partie avant (3) et liée à elle par des moyens (8) de liaison.Overshoe (1) comprising a hollow front portion (3) open at the rear for engaging the boot, and a rear strap (7) to be passed behind the heel (50) of the shoe, characterized in that that the rear flange (7) is structurally dissociated from the front part (3) and connected to it by connecting means (8). Sur-chaussure (1) selon la revendication 1, caractérisée en ce que la partie avant (3) et la bride (7) sont réalisées avec un plastique élastomère ou thermoplastique.Overshoe (1) according to claim 1, characterized in that the front part (3) and the flange (7) are made of an elastomeric or thermoplastic plastic. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que les moyens (8) de liaison comprennent des moyens (9a,9b ;11a,11b ;90a,110a) permettant un mouvement entre la partie avant (3) et la bride arrière (7).Outerwear (1) according to one of the preceding claims, characterized in that the connecting means (8) comprise means (9a, 9b; 11a, 11b; 90a, 110a) allowing movement between the front part (3 ) and the rear flange (7). Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que la partie avant creuse (3) présente une semelle (31) qui s'affine en épaisseur, à l'arrière.Overshoe (1) according to one of the preceding claims, characterized in that the hollow front portion (3) has a sole (31) which is refined in thickness at the rear. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que la partie avant creuse (3) présente une semelle (31) qui, dessous, s'étend vers l'arrière au moins jusque sensiblement au droit du sommet (13a) d'une zone (13) de la partie avant (3) qui remonte sur le coup de pied, et/ou cette semelle (31) est striée et est pourvue de plots, échelonnés longitudinalement.Overshoe (1) according to one of the preceding claims, characterized in that the hollow front portion (3) has a sole (31) which, below, extends rearward at least substantially to the right of the top (13a) of an area (13) of the front portion (3) which rises on the kick, and / or this sole (31) is striated and is provided with studs, staggered longitudinally. Sur-chaussure (1) selon la revendication 3, ou cette revendication 3 et l'une des revendications 4,5, caractérisée en ce que lesdits moyens (8) permettant le mouvement comprennent, de chaque côté de la partie creuse avant (3), deux parties structurellement dissociées (9, 11) comprenant un pion cylindrique (9a) saillant terminé par une tête élargie (9b) et engagé à force ou vissé dans un fût (11a) tubulaire lui-même terminé par une tête élargie (11b), le tout passant dans des orifices (30, 70) de la partie avant (3) et de la bride arrière (7).Overshoe (1) according to claim 3, or this claim 3 and one of the claims 4,5, characterized in that said means (8) allowing the movement comprise, on each side of the hollow part before (3) , two structurally dissociated parts (9, 11) comprising a protruding cylindrical pin (9a) terminated by an enlarged head (9b) and forcibly engaged or screwed into a tubular shaft (11a) itself terminated by an enlarged head (11b) , all passing through orifices (30, 70) of the front part (3) and the rear flange (7). Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce qu'à l'arrière la bride (7) présente une languette (71) saillante vers le haut.Overshoe (1) according to one of the preceding claims, characterized in that the rear flange (7) has a tab (71) projecting upwards. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que la partie avant (3) est en matière plastique renforcée à l'avant par une coque (18) plus rigide que ladite matière plastique et/ou noyée dans la matière plastique dans laquelle est formée la partie avant (3).Overshoe (1) according to one of the preceding claims, characterized in that the front part (3) is made of plastic reinforced at the front by a hull (18) stiffer that said plastic material and / or embedded in the plastic in which is formed the front portion (3). Sur-chaussure (1) selon la revendication 8, caractérisée en ce que la coque (18) est en matériau composite non métallique, amagnétique.Overshoe (1) according to claim 8, characterized in that the shell (18) is non-metallic, non-magnetic composite material. Sur chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que les moyens (8) de liaison prévus, pour partie, sur la partie avant (3) et, pour partie, sur la bride (7), sont en matière plastique malléable et inter-engagés.Shoe (1) according to one of the preceding claims, characterized in that the connecting means (8) provided partly on the front part (3) and partly on the flange (7) are malleable plastic material and inter-engaged. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que la bride (7) présente latéralement, de part et d'autre, une fente (73) allongée dans la direction d'allongement de la bride (7).Overshoe (1) according to one of the preceding claims, characterized in that the flange (7) has laterally, on both sides, a slot (73) elongate in the direction of elongation of the flange (7). ). Sur-chaussure (1) l'une des revendications précédentes, caractérisée en ce que la bride (7), monobloc, va en s'élargissant de l'avant vers l'arrière.Overshoe (1) according to one of the preceding claims, characterized in that the one-piece flange (7) widens from front to rear. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisée en ce que devant, sur le coup de pied, la partie avant (3) présente une ou plusieurs excroissances (17) allongées sensiblement horizontalement et se prolongeant latéralement.Overshoe (1) according to one of the preceding claims, characterized in that before, on the kick, the front part (3) has one or more protuberances (17) elongated substantially horizontally and extending laterally. Sur-chaussure (1) selon l'une des revendications précédentes, caractérisé en ce que la bride (7) présente une capacité d'allongement supérieure à 1000%.Overshoe (1) according to one of the preceding claims, characterized in that the flange (7) has an elongation capacity greater than 1000%. Ensemble de plusieurs sur-chaussures, chacune selon l'une des revendications précédentes, caractérisé en ce qu'il comprend plusieurs parties (3) avant de plusieurs pointures différentes et moins de brides arrière (7).Set of several overshoes, each according to one of the preceding claims, characterized in that it comprises several parts (3) before several different sizes and fewer rear flanges (7).
EP10290473.7A 2010-09-03 2010-09-03 Safety shoe cover Active EP2425731B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PL10290473T PL2425731T3 (en) 2010-09-03 2010-09-03 Safety shoe cover
EP10290473.7A EP2425731B1 (en) 2010-09-03 2010-09-03 Safety shoe cover
ES10290473.7T ES2509516T3 (en) 2010-09-03 2010-09-03 Safety footwear
CA2750534A CA2750534A1 (en) 2010-09-03 2011-08-25 Safety overshoes
BRPI1105912A BRPI1105912A2 (en) 2010-09-03 2011-09-02 safety underpants and set comprising the same
US13/224,963 US20120060389A1 (en) 2010-09-03 2011-09-02 Safety Overshoe
JP2011005188U JP3171792U (en) 2010-09-03 2011-09-05 Safety overshoes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10290473.7A EP2425731B1 (en) 2010-09-03 2010-09-03 Safety shoe cover

Publications (2)

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EP2425731A1 true EP2425731A1 (en) 2012-03-07
EP2425731B1 EP2425731B1 (en) 2014-08-20

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EP10290473.7A Active EP2425731B1 (en) 2010-09-03 2010-09-03 Safety shoe cover

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US (1) US20120060389A1 (en)
EP (1) EP2425731B1 (en)
JP (1) JP3171792U (en)
BR (1) BRPI1105912A2 (en)
CA (1) CA2750534A1 (en)
ES (1) ES2509516T3 (en)
PL (1) PL2425731T3 (en)

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ITPR20120070A1 (en) * 2012-10-23 2014-04-24 Giuliano Fanticini KIT TO BUILD A SHOE COVER AND METHOD TO BUILD THIS SHOE COVER
CN109198782A (en) * 2017-06-30 2019-01-15 蔡志仁 shoe cover

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US20170196297A1 (en) * 2016-01-07 2017-07-13 Chin Woo CHUNG Cover for protecting shoe
CN115243581A (en) * 2020-01-17 2022-10-25 卡尔文·迈克尔·索普 System and method for thermal control in ski boots
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Also Published As

Publication number Publication date
JP3171792U (en) 2011-11-17
BRPI1105912A2 (en) 2016-04-12
PL2425731T3 (en) 2015-01-30
ES2509516T3 (en) 2014-10-17
CA2750534A1 (en) 2012-03-03
EP2425731B1 (en) 2014-08-20
US20120060389A1 (en) 2012-03-15

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