WO2016050658A1 - Non-slip shoe sole - Google Patents

Non-slip shoe sole Download PDF

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Publication number
WO2016050658A1
WO2016050658A1 PCT/EP2015/072193 EP2015072193W WO2016050658A1 WO 2016050658 A1 WO2016050658 A1 WO 2016050658A1 EP 2015072193 W EP2015072193 W EP 2015072193W WO 2016050658 A1 WO2016050658 A1 WO 2016050658A1
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WO
Grant status
Application
Patent type
Prior art keywords
sole
mm
texture
elements
textures
Prior art date
Application number
PCT/EP2015/072193
Other languages
French (fr)
Inventor
Olivier Muhlhoff
Arnaud Larregain
Original Assignee
Compagnie Generale Des Etablissements Michelin
Michelin Recherche Et Technique S.A.
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

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Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/005Footwear for sporting purposes for grinding, i.e. sliding on the sole or a part thereof
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/22Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/223Profiled soles

Abstract

The invention relates to a shoe sole (1) comprising a sole bottom side equipped with a plurality of ground-contact zones (2) and a sole top side designed to support the user's foot, in which at least one of the ground-contact zones is provided with non-slip textures (10).

Description

SHOE SOLE ANTI-SLIP

TECHNICAL FIELD OF INVENTION

[0001] The present invention relates to a anti-slip shoe sole. It more particularly a shoe sole for uses in environments where the ground is particularly slippery.

PRIOR ART [0002] The use of anti-slip soles in the area of ​​the shoe is particularly present in activities that may cause potential security risks of individuals. The falls caused by shoes adhesion losses on borrowed surfaces are indeed a common cause of accidents. To mitigate this risk, various solutions have been developed to increase the adhesion capacity of footings on different surfaces.

[0003] Document EP2762027 relates to a shoe comprising a sole plate comprising grooves. The soles generally comprise a plurality of grooves formed in at least a portion of the outsole, from a lateral side of the outsole to an inner side of the sole. The grooves can be linear or curved and extend angularly. The grooves have different depths depending on whether they are located in the perimeter of the sole or at the center of the sole. The grooves at the center of the sole have a more consistent depth in the edge of sole.

[0004] The application WO201 1 138 639 discloses a sole and a shoe assembled to form a shoe in which the toes are in separate compartments. The sole is thin and has various pattern elements. This arrangement sculptures is an improved version of the own body skin. The multiple elements of the sole allow greater range of motion, giving the sensation of being barefoot. The fineness of the sole also improves the environmental sensations perceived by the foot and body. Such sensations allow the body to make adjustments or corrections can improve balance and stability of an individual during a given year.

[0005] Also the document US4571852 relates to an anti-slip sole made of rubber or similar material. This sole has an overall lower surface which is substantially flat. Due to the spiral shape of the ribs, air, water, or other liquid may escape without forming air call and therefore enables the base to adhere perfectly to the ground, making it fully slip.

[0006] Patent application EP1637051, relates to a safety shoe sole model, offers a non-slip shoes, which comprises a heel insert made of a first elastomer and a sole made of a second elastomer which incorporates partially said heel insert, so that the latter remains exposed in the heel area of ​​said sole. The hardness of the elastomer of the first bead part is smaller than the second elastomer of the sole. The document also describes a method for producing said anti-slip sole molding, or by casting an elastomer.

[0007] The document EP0383489, referring to the field of cooking, discloses a non-slip sole made of hollowed lines crossing each other in defining a pattern of cleats to nonlinear edges. This sole provides an anti-slip effect suitable for tiled surfaces coated with cooking oils or grease.

[0008] The use of special insoles are possibly in the field of sports as provided French application FR2402426. This application relates to a sports shoe with anti-slip sole, comprising a substantially flat and smooth support surface and having a low degree of hardness. This shoe is particularly intended for sports such as windsurfing and skateboarding. This document contemplates effect adhesion of said sole on a potentially wet surface. This shoe can also be used for the practice of sports on land to smooth surfaces such as tennis and badminton.

[0009] US5725823A discloses a method of forming a shoe sole comprising a slip insert co-molded. The raw materials in unvulcanized rubber sheets of the insert and the main part of the sole are placed in a mold and heated together to be melted, in order to vulcanize the rubber and thereby produce a non-slip pattern on the room. The insert material is substantially the same as that of the main portion of the sole, with the exception of color. This however has the look and texture of a separate insert.

[0010] All of these documents therefore addresses slip soles used respectively in targeted areas. However, none of the documents raised presents truly effective solution to prevent the sole slip phenomena on a floor covered with a thin liquid film or even on a cold floor covered or not with a film of water. The individual risk is nevertheless present in the practice of various professional activities such as in the medical field, or recreation such as boating environment. In these types of use, the safety aspect is paramount to performance such as durability or longevity.

[0011] To overcome these drawbacks, the invention provides various technical means. DISCLOSURE OF INVENTION

[0012] First, a first object of the invention is to provide a sole for use on slippery surfaces.

[0013] Another object of the invention is to provide treads for activities on frozen soils, such as curling.

[0014] Yet another object of the invention resides in the provision of treads in water medium.

[0015] Another object of the invention is to provide treads for professional activities, such as in the medical sector and more specifically in the hospital, where the floors are often slippery.

[0016] To do this, the invention provides a shoe sole comprising:

- a sole bottom, provided with a plurality of contact areas with the ground;

- a top sole, adapted to support the foot of the user;

- at least one of the contact areas with the ground being provided with anti-slip textures disposed on a top of at least one carving,

-the contact zone provided with textures comprising a plurality of elements protruding or recessed relative to the surface, each element extending substantially perpendicular (θ = 90 °) to the contact surface, the trough means or protrusion of the texture being integral with said sole, all or part of the protrusion being of strands distributed in the texture at a density of at least one strand per square millimeter (mm 2), each strand having an average sectional area of between 0.003 mm 2 and 1 mm 2 and / or all or part of elements protuberance being substantially parallel strips therebetween, the pitch of the lamellae in the texture being at most equal to 0.5 mm, each blade having an average width between 0.03 mm and 0.25 mm. [0017] With such an architecture, the sole has particularly advantageous adhesion characteristics, especially on some surfaces on which type known soles are significantly less effective, such as surfaces covered with a layer of ice.

[0018] Such a sole can also have non-slip particularly advantageous characteristics on wet surfaces. Thus during water activities for example, it is essential to wear suitable footwear to navigation especially during mooring and docking phases. The floor of the boat in this case may be subject to splash, making the slippery deck. Wearing crocs is so necessary and ensures occupant safety.

[0019] The wearing such shoes can also be advantageous in certain occupations, such as in the health care environment, since plastic flooring linoleum, PVC or another, from one hospital are often cleaned and therefore humidified for reasons of safety and hygiene, which is likely to cause significant risk of loss of adhesion.

[0020] The soles of the invention may also find particularly useful applications in winter sports, such as "curling". Thus, during a game of "curling", especially after a game of rounds and after several intense scanning sequences, the ice surface has many forms of abrasion often ice-covered microparticles which tend to melt , making it particularly slippery surfaces. For top quality shoes, often with asymmetric soles of which promotes skiing and the other grip, textured areas are present in particular on the sole adhesion promoter, that is to say the right sole for a right-handed. [0021] Furthermore, this type of this non-slip soles wear the advantage of only minimally if their use is restricted to specific activities on specific soils, little or no abrasive. [0022] Advantageously, the contact zone provided with textures is located on the front portion of the sole.

[0023] Alternatively, the contact area provided with textures is located on the heel of the sole.

[0024] According to another variant, the texture covers the majority, e.g., at least 80%, of the surface of contact with the ground.

[0025] Advantageously, the textures are arranged so as to provide an anti-slip effect.

[0026] Advantageously, at least 30% of the elements protruding from the texture form an angle a greater than 40 ° relative to a plane tangential to the contact surface and at most 25% of the elements protruding from the texture form an angle a less than 20 ° relative to the tangent plane.

[0027] Advantageously, some of the elements protruding shape of the side parallelepipeds between 0.05 mm and 0.5 mm, a height of between 0.05 mm and 0.5 mm, the distance between two adjacent cuboids in the texture being between 0.05 mm and 0.5 mm.

[0028] Also advantageously, the elements protruding present in the texture of shapes and distances between elements in varying protuberance.

[0029] According to an alternative embodiment, part of the hollow elements form openings on the sole and the texture comprises a plurality of apertures, said apertures being distributed in the texture at a density of at least one opening per square millimeter (mm 2), these openings having on the sole of equivalent diameters between 0.03 mm and 1 mm 2. [0030] The invention also provides a shoe comprising a sole as previously described.

DESCRIPTION OF FIGURES [0031] All the embodiment details are given in the following description, supplemented by FIGS 1 to 8 presented solely for non-limiting examples and in which:

- Figure 1 is a schematic representation of an exemplary underside of a sole according to the invention;

- Figure 2 shows a variant of the embodiment of Figure 1, only some of which areas consist of textures;

- Figure 3 shows a part of the texture of a flange such as that of Figures 1 or 2, according to a first embodiment wherein this texture elements protruding in form of strands;

- Figure 4 shows a part of the texture of a flange such as that of Figures 1 or 2, according to another second embodiment in which the present texture elements protruding lamella;

- Figure 5 shows a part of the texture of a flange such as that of Figures 1 or 2, according to a third embodiment wherein the present of texture elements shaped protrusion parallelepipeds;

- Figure 6 shows a part of the texture of a flange such as that of Figures 1 or 2, according to a fourth embodiment in which this protuberance texture elements whose shapes and distances between elements in projection are variable ;

- Figure 7 shows a part of the texture of a flange such as that of Figures 1 or 2, according to a fifth embodiment in which the present texture of hollow elements, conical in this example; - Figure 8 shows an enlarged view of a cavity of a hollow element of the texture of FIG 7.

DETAILED DESCRIPTION OF THE INVENTION

[0032] In this document, the term "anti-slip sole," a type of sole designed to adhere to soil, and in particular a wet or icy ground. This type of sole comprises anti-slip texture of which the coefficient of friction on the surfaces described in this document is substantially higher compared to the areas devoid of such textures. According to the invention, the higher coefficient of friction features are active isomatériaux, and therefore are essentially within the specific architecture of the planned textures and described below. Indeed, it has been found that very small textures, coupled with the characteristics of forms, allow the production of soles behaviors improved significantly compared to the soles already known.

[0033] Figure 1 illustrates a first embodiment of the invention. The underside of the sole 1 comprises a plurality of contact areas 2 in the form of sculptures defined by a top 3 configured to be in contact with the ground and four sculptures funds, adjacent the tops, and recessed from to the latter, so as to provide a clearance between said bottoms 4 and tops 3. Usually, sculpture may be arranged in a quasi-infinite number of configurations, in which the profiles and / or dimensions may vary depending on soles.

[0034] In the embodiment illustrated in Figure 1, sculpture vertices 3 are provided with 10 anti-slip texture as described below. Thus, the 4 sculpture funds and the curve 6 are the only areas devoid of such textures 10. [0035] In Figures 1 and 2, the textures 10 are shown by hatching so as to illustrate the visual effect of high contrast between the textured areas in the top 3 of sculpture, and those non-textured, bottom 4 sculpture. [0036] More specifically, in Figure 1, the front section of the sole comprises a front sculpture, while at the front of the sole, and respectively three and four carvings on the inner and outer sides. At the heel, three lateral grooves on each side occupy the bulk of the bead, the back having a single carving entire width. Each of ring vertices 3 is delimited by a base 4 immediately adjacent to the top. The tops 3 are highlighted by 10 textures, creating a significant visual effect. Therefore, the shoe sole can greatly contribute to enhance and complement the overall look of the shoe. [0037] The embodiment of Figure 2 is similar to that of Figure 1 for a part of sculptures of front and back of the heel area. Other sculptures include heel heights without textures. It is the same for three sculptures of the front zone, three of the outer side and the inner side. In the example of Figure 2, the shank 6 of the sole is also devoid of textures 10.

[0038] Many variations of these embodiments may be implemented without departing from the scope of the invention. In addition, depending on intended uses and types of affected soils, different areas of the sole can be provided with sculptures including textures 10. The sculpture collection may also include textures, covering part or in whole.

[0039] Since the 3 sculpture tops are in contact with the ground textures are potentially subject to wear. However, when the shoes are used according to the recommendations provided in this document, such as on the deck of a sailboat, possibly on a covered ice rink with a film of water on a PVC floor hospital, etc. ., wherein the abrasion coefficient is very low, the level of wear is small and permits normal use of shoes for a comparable length to that of conventional shoes. [0040] The previously mentioned contrast effect comes from the fact that the luminance level of the areas provided with textures 10 (such as vertices 3) is lower than that of areas devoid of textures (such as the tops of tread pattern elements) . Various arrangements or textures configurations are used to produce such an effect as described below in connection with Figures 3-8.

[0041] Figures 3 to 8 illustrate examples of textures that can be arranged on the sole according to the invention. [0042] Figure 3 illustrates an embodiment wherein the texture comprises a plurality of strands January 1. The strands 1 1 are distributed in the texture at a density of at least one strand by 2 mm, each strand having an average section S between 0.0005 mm 2 and 1 mm 2. Note that the middle section of each strand correspond to the average of S sections measured at regular intervals from the base of the strand. The strands 106 have a generally conical shape with a decreasing section in the height Hb of these strands.

[0043] Figure 4 illustrates an embodiment wherein the texture comprises a plurality of slats 12 parallel to one another, the pitch of the blades 12 in the texture being at most equal to 0.5 mm, each blade 12 having an average width between 0.02 mm and 0.5 mm. It is noted that the average width is the average of the widths I measured at regular intervals in the height H of the blade, the height of each blade is between 0.05 and 0.5 mm. [0044] In another alternative embodiment, the texture comprises a combination of 1 strands 1 and / or and blades 12. [0045] The invention is not limited to the examples described and shown, and various modifications may be made therein without departing from its scope. Thus, according to another alternative non-limiting embodiment, the blades 12 of Figure 4 may be discontinuous. They have a flat portion therebetween. They can also submit them section differences. In addition, the blades may have bends or angles, especially in length. They can also be of variable length.

[0046] In the example of Figure 5, the textures have a parallelepiped section 13 side C of between 0.05 mm and 0.5 mm, height Hp of between 0.05 mm and 0.5 mm, the Dp distance between two adjacent cavities in the texture being between 0.05 mm and 0.5 mm. Alternatively, the textures of the section may be circular, polygonal (for example hexagonal). With square or polygonal structures, it is possible to more easily organize the elements relative to each other so as to limit the surface of the intermediate zones between the elements.

[0047] In the variant of Figure 6, the elements 14 have shapes and varying distances between them. This variant comes less visible details of the texture.

[0048] Figure 7 illustrates a texture according to another alternative non-limiting embodiment. In this embodiment, the texture is formed by a plurality of cavities 16. The cavities 16 are here in the form of cones that extend in the depth from the surface and open on the surface by forming circular openings 15. The cavities 16 have and a section which decreases in depth. It is noted that in this variant, the openings January 1 of the cavities 16 do not touch. The openings January 1 are separated by intermediate areas 17. In addition, the openings January 1 are uniformly distributed so that the distance d between each aperture is generally similar.

[0049] Figure 8 is an enlarged view of the texture of FIG 7. All or part of the cavities has here at least one wall 18 which, in a sectional view, forms an angle β between 10 ° and 60 ° relative to a Z direction perpendicular to the texture.

Reference numbers used in the figures

sole below

Contact zones

Mountain peak

sculpture Fund

Flank

instep

textures

strands

blades

parallelepipeds

Elements in varying protuberance

circular openings

cavities

intermediate zones

Wall

Claims

1. Sole (1) shoe comprising:
- a sole bottom, provided with a plurality of contact areas (2) with the ground;
- a top sole, adapted to support the foot of the user;
- at least one of the contact areas (2) being provided with the ground textures (10) anti-slip disposed on a top (3) with at least one carving, characterized in that the contact zone (2) provided textures comprises a plurality of elements (1 1, 12, 13, 14, 15, 16) protruding or recessed relative to the surface (2), each element extending substantially perpendicularly (0 = 90 °) to the contact surface (2) and in that the elements recessed or protuberance of the texture are integral with said sole and in that all or part of the protrusion elements are strands (6) distributed throughout the texture ( 3) in a density of at least one strand per square millimeter (mm 2), each strand having an average cross section between 0.003 mm 2 and 1 mm 2 and / or any or part of the protrusion are lamellae (7) substantially parallel to each other, the pitch of the lamellae in the texture (3) being at most equal to 0 , 5 mm, each blade having an average width between 0.03 mm and 0.25 mm.
2. Sole according to claim 1, wherein a contact area (2) provided with textures (10) is located on the front portion of the sole.
3. Sole according to one of claims 1 or 2, wherein a contact area (2) provided with textures (10) is located on the heel of the sole.
4. Sole according to one of claims 1 to 3, wherein at least 30% of the elements (6, 7) protruding from the texture (3) form an angle greater than 40 ° relative to a plane tangent to the contact surface (2) and in that at most 25% of the elements (6, 7) protruding from the texture (3) form an angle less than 20 ° relative to the tangent plane.
5. Sole according to one of claims 1 to 3, wherein part of the elements protruding shape of parallelepipeds (8) side (C) of between 0.05 mm and 0.5 mm, height (Hp) included between 0.05 mm and 0.5 mm, the distance between two adjacent cuboids (8) in the texture being between 0.05 mm and 0.5 mm.
6. Sole according to one of claims 1 to 3, wherein the protrusion elements (9) have in the texture (3) shapes and distances between elements in varying protuberance.
7. Sole according to one of claims 1 to 3, wherein a portion of said trough means (10) form openings (1 1) on the sole and the texture (3) comprises a plurality of openings (1 1) , said openings (1 1) being distributed in the texture (3) according to a density at least equal to per square millimeter an opening (mm 2), these openings (1 1) having on the sole of the equivalent diameters (Dt) between 0.03 mm and 1 mm 2.
8. A shoe comprising a sole according to one of claims 1 to 7.
PCT/EP2015/072193 2014-09-30 2015-09-28 Non-slip shoe sole WO2016050658A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR14/02195 2014-09-30
FR1402195A FR3026277B1 (en) 2014-09-30 2014-09-30 anti-slipping shoe sole

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20150771917 EP3200638A1 (en) 2014-09-30 2015-09-28 Non-slip shoe sole
CN 201580053045 CN106714607A (en) 2014-09-30 2015-09-28 Non-slip shoe sole

Publications (1)

Publication Number Publication Date
WO2016050658A1 true true WO2016050658A1 (en) 2016-04-07

Family

ID=52339180

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/072193 WO2016050658A1 (en) 2014-09-30 2015-09-28 Non-slip shoe sole

Country Status (4)

Country Link
EP (1) EP3200638A1 (en)
CN (1) CN106714607A (en)
FR (1) FR3026277B1 (en)
WO (1) WO2016050658A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130947A (en) * 1976-07-29 1978-12-26 Adidas Fabrique De Chaussures De Sport Sole for footwear, especially sports footwear
EP1985195A1 (en) * 2006-02-10 2008-10-29 Yonex Kabushiki Kaisha Shoe
US20120180340A1 (en) * 2011-01-13 2012-07-19 SR Holdings, LLC Footwear
EP2762027A1 (en) * 2008-05-30 2014-08-06 Nike International Ltd. Outsole having grooves forming discrete lugs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571852A (en) * 1982-09-24 1986-02-25 Les Caoutchoucs Acton Ltee Anti-skidding sole
US20020078598A1 (en) * 2000-12-21 2002-06-27 Michael Bell Sole for footwear or footwear attachment having multilevel cleats for indicating wear and providing enhanced traction and flexibility
EP2566362A1 (en) * 2010-05-04 2013-03-13 Vibram S.p.A. High foot mobility shoe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130947A (en) * 1976-07-29 1978-12-26 Adidas Fabrique De Chaussures De Sport Sole for footwear, especially sports footwear
EP1985195A1 (en) * 2006-02-10 2008-10-29 Yonex Kabushiki Kaisha Shoe
EP2762027A1 (en) * 2008-05-30 2014-08-06 Nike International Ltd. Outsole having grooves forming discrete lugs
US20120180340A1 (en) * 2011-01-13 2012-07-19 SR Holdings, LLC Footwear

Also Published As

Publication number Publication date Type
CN106714607A (en) 2017-05-24 application
EP3200638A1 (en) 2017-08-09 application
FR3026277B1 (en) 2017-06-02 grant
FR3026277A1 (en) 2016-04-01 application

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