Classifications

• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B5/00—Footwear for sporting purposes
  • A43B5/005—Footwear for sporting purposes for grinding, i.e. sliding on the sole or a part thereof
• • A—HUMAN NECESSITIES
  • A43—FOOTWEAR
  • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
  • A43B13/00—Soles; Sole-and-heel integral units
  • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
  • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
  • A43B13/223—Profiled soles

Definitions

• the present invention relates to an anti-slip shoe sole. It relates more particularly to a shoe sole intended for use in environments where the floor is particularly slippery.
• EP2762027 relates to a shoe comprising a sole comprising grooves.
• the soles generally include a plurality of grooves formed in at least a portion of the outsole, from a lateral side of the sole to an inner side of the sole.
• the grooves may be linear or curved and extend angularly.
• the grooves have varying depths depending on whether they are at the perimeter of the sole or the center of the sole.
• the grooves in the center of the sole have a greater depth than the edge of the sole.
• WO201 1 138639 describes a sole and a slipper assembled to form a shoe in which the toes are in separate compartments.
• the sole is thin and has different elements of sculpture. This sculpture arrangement is an improved version of the body's own skin.
• the multiple elements of the sole allow a 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 the body. Such sensations allow the body to make adjustments or corrections that can improve the balance and stability of an individual during a given exercise.
• US4571852 document relates to a non-slip sole of rubber or similar material.
• This sole has a lower overall surface which is substantially flat. Because of the spiral shape of the ribs, air, water or other liquid can escape without forming a draft and thus allows the sole to adhere perfectly to the ground, thus making it fully slip-resistant.
• the patent application EP1637051 relating to a model of a safety shoe sole, provides a non-slip shoe, which comprises a heel insert consisting of a first elastomer and a sole made of a second elastomer which incorporates partially said bead insert, so that the latter remains exposed in the heel area of said sole.
• the hardness of the elastomer of the first bead piece is less than that of the second elastomer of the sole.
• the document also describes a process for producing said anti-slip sole by molding, or by casting an elastomer.
• US5725823A discloses a method of forming a shoe sole having a co-molded non-slip insert.
• the raw materials of 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 thus produce a non-slip pattern on the room.
• the material of the insert is substantially the same as that of the main part of the sole, with the exception of its color. It does, however, have the appearance and texture of a separate insert.
• a first object of the invention is to provide a sole for use on slippery surfaces.
• Another object of the invention is to provide soles adapted for activities on icy grounds, such as curling.
• Yet another object of the invention lies in providing soles adapted to the nautical environment.
• Another object of the invention to provide soles suitable for professional activities, such as in the medical sector and more specifically in the hospital environment, where soils are often slippery.
• the invention provides a shoe sole comprising:
• a soleplate adapted to support the user's foot
• At least one of the zones of contact with the ground being provided with anti-slip textures arranged on a vertex of at least one sculpture
• the sole has particularly advantageous adhesion characteristics, particularly on some coatings on which the soles of known type are substantially less effective, such as surfaces covered with an ice layer.
• Such sole may also have particularly advantageous anti-slip characteristics on wet surfaces.
• it is essential to wear shoes adapted to navigation, especially during the anchoring and mooring phases.
• the floor of the boat can in this case be splashed water, making the bridge slippery. Wearing non-slip shoes is therefore necessary and ensures the safety of the occupants.
• the soles according to the invention can also find applications particularly useful in sliding sports, such as "curling".
• the surface of the ice has multiple forms of abrasion often covered with ice microparticles that tend to melt. , making the soil particularly slippery.
• the textured areas are present in particular on the sole promoting adhesion, that is to say the right sole for a right-handed man.
• this type of anti-slip soles has the advantage of being worn only in a minimal way since their use is confined to specific activities on particular soils, very little or non-abrasive.
• the contact area provided with textures is located on the front portion of the sole.
• the contact area provided with textures is located on the heel of the sole.
• the texture covers the majority, for example at least 80%, of the ground contact surface.
• the textures are arranged to provide an anti-slip effect.
• At least 30% of the protruding elements of the texture form an angle ⁇ greater than 40 ° with respect to a plane tangent to the contact surface and at most 25% of the protruding elements of the texture form. an angle a less than 20 ° with respect to the tangent plane.
• a portion of the protruding elements form side parallelepipeds between 0.05 mm and 0.5 mm, with a height of between 0.05 mm and 0.5 mm, the distance between two adjacent parallelepipeds. in the texture being between 0.05 mm and 0.5 mm.
• the protruding elements present in the texture shapes and distances between the variable protruding elements.
• a part of the hollow elements form openings on the sole and the texture comprises a plurality of openings, said openings being distributed in the texture in a density at least equal to one opening per square millimeter (mm 2 ), these openings having on the sole plate equivalent diameters of between 0.03 mm and 1.2 mm.
• the invention also provides a shoe comprising a sole such as previously described.
• FIG. 1 is a schematic representation of an example of a bottom of a sole according to the invention.
• FIG. 2 represents a variant of the embodiment of FIG. 1, of which only certain zones consist of textures;
• FIG. 3 shows a part of the texture of a sole such as that of Figures 1 or 2, according to a first embodiment wherein the texture has protruding elements in the form of strands;
• FIG. 4 represents a part of the texture of a sole such as that of FIGS. 1 or 2, according to another second embodiment in which the texture has elements in protuberance in the form of lamellae;
• FIG. 5 shows a portion of the texture of a sole such as that of Figures 1 or 2, according to a third embodiment wherein the texture has parallelepiped shaped protruding elements;
• FIG. 6 represents a part of the texture of a sole such as that of FIGS. 1 or 2, according to a fourth embodiment in which the texture has elements in protuberance whose shapes and the distances between elements in protuberance are variable. ;
• FIG. 7 represents a part of the texture of a soleplate such as that of FIGS. 1 or 2, according to a fifth embodiment in which the texture has hollow elements conical in this example;
• FIG. 8 represents an enlarged view of a cavity of a hollow element of the texture of FIG. 7.
• anti-slip sole a type of sole designed to adhere to the ground, including a wet or glossy floor.
• This type of sole has anti-slip textures whose friction coefficient on the surfaces described in this document is substantially higher compared to the areas lacking such textures. According to the invention, these characteristics of higher coefficient of friction are effective to isomaterials, and therefore essentially fall under the specific architecture of the textures provided and described below. In fact, it has been found that the very small dimensions of the textures, coupled with the shape characteristics, make it possible to obtain substantially improved behavior of the soles compared to the soles already known.
• Figure 1 illustrates a first embodiment of the invention.
• the underside of the sole 1 comprises a plurality of contact zones 2 in the form of sculptures defined by a vertex 3 configured to be in contact with the ground and sculpture funds 4, adjacent to the vertices, and set back from to these, so as to provide a free space between said funds 4 and the tops 3.
• the sculptures can be arranged in a virtually infinite number of configurations, in which the profiles and / or dimensions can vary depending on the soles.
• the sculpting peaks 3 are provided with anti-slip textures 10, as described below.
• the funds 4 of sculpture and the camber 6 are the only areas devoid of such textures 10.
• the textures 10 are represented by hatching, so as to illustrate the visual effect of strong contrast between the textured areas, at the top 3 of sculpture, and those untextured, sculpture background 4 .
• the front section of the sole comprises a front sculpture, while the front of the sole, and respectively three and four sculptures on the inner and outer sides.
• three lateral sculptures on each side occupy most of the heel, the rear having a single sculpture across the width.
• Each of the vertices 3 is delimited by a bottom 4 immediately adjacent to the vertex.
• the vertices 3 are highlighted by textures 10, thus creating a noticeable visual effect. Therefore, the sole of the shoe can greatly help to enhance and enhance the overall appearance of the shoe.
• the embodiment of Figure 2 is similar to that of Figure 1 for a portion of the sculptures of the front sector and the rear of the heel.
• Other heel sculptures include vertices devoid of textures. It is the same for three of the sculptures in the front area, three on the outside and one on the inside.
• the camber 6 of the sole is also devoid of textures 10.
• the textures are potentially subject to wear.
• the shoes are well used according to the recommendations provided in this document, such as on the deck of a sailboat, on an ice rink possibly covered with a film of water, on a floor PCV hospital, etc. .
• the coefficient abrasion is very low
• the level of wear is modest and allows normal use of shoes for a period comparable to that of conventional shoes.
• the previously mentioned contrast effect is due to the fact that the luminance level of the zones provided with textures 10 (such as the vertices 3) is lower than that of the zones devoid of textures (such as the vertices of the sculpture elements). .
• Various arrangements or configurations of textures make it possible to produce such an effect, as described below, in relation with FIGS. 3 to 8.
• Figures 3 to 8 illustrate examples of textures that can be arranged on the sole according to the invention.
• Figure 3 illustrates an embodiment in which the texture comprises a plurality of strands 1 January.
• the strands 11 are distributed in the texture according to a density of at least one strand per mm 2 , each strand having an average section S of between 0.0005 mm 2 and 1 mm 2 . It is noted that the average section of each strand corresponds to the average of sections S measured at regular intervals from the base of the strand.
• the strands 106 have a generally conical shape with a section decreasing in the Hb height of these strands.
• FIG. 4 illustrates an embodiment in which the texture comprises a plurality of blades 12 parallel to each other, 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.
• the average width corresponds to the average width I measured at regular intervals in the height Hl of the blade, the height of each blade being between 0.05 and 0.5 mm.
• the texture comprises a combination of strands 1 1 and / or and blades 12.
• the blades 12 of Figure 4 may be discontinuous. They have a flat part between them. In addition, they may have section differences between them.
• the blades may have curvatures or angles, especially in their length. They can also be of variable length.
• the textures have a parallelepipedic section 13 of side C between 0.05 mm and 0.5 mm, with a height H p of between 0.05 mm and 0.5 mm, the distance Dp between two adjacent cavities in the texture being between 0.05 mm and 0.5 mm.
• the section of the textures 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 area of the intermediate zones between the elements.
• the elements 14 have shapes and variable distances between them. This variant makes the details of the texture less visible.
• Figure 7 illustrates a texture according to another non-limiting embodiment.
• the texture is formed by a plurality of cavities 16.
• the cavities 16 are here in the form of cones which extend in the depth of the surface and open out onto this surface by forming circular openings 15.
• the cavities 16 have thus a section that decreases in depth.
• the openings 1 1 of the cavities 16 do not touch.
• the openings 1 1 are separated by intermediate zones 17.
• the openings January 1 are evenly distributed so that the distance d between each opening is generally similar.
• Figure 8 is an enlarged view of the texture of Figure 7. All or part of the cavities here has at least one wall 18 which, in a sectional view, forms a angle ⁇ between 10 ° and 60 ° with respect to a direction Z perpendicular to the texture.

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• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Physical Education & Sports Medicine (AREA)
• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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Family Cites Families (7)

• 2014
  • 2014-09-30 FR FR1402195A patent/FR3026277B1/fr active Active
• 2015
  • 2015-09-28 CN CN201580053045.8A patent/CN106714607A/zh active Pending
  • 2015-09-28 EP EP15771917.0A patent/EP3200638B1/de active Active
  • 2015-09-28 WO PCT/EP2015/072193 patent/WO2016050658A1/fr not_active Ceased

Non-Patent Citations (1)

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