EP4331423B1 - Semelle d'usure dotée d'une semelle intermédiaire souple - Google Patents

Semelle d'usure dotée d'une semelle intermédiaire souple Download PDF

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Publication number
EP4331423B1
EP4331423B1 EP24150843.1A EP24150843A EP4331423B1 EP 4331423 B1 EP4331423 B1 EP 4331423B1 EP 24150843 A EP24150843 A EP 24150843A EP 4331423 B1 EP4331423 B1 EP 4331423B1
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EP
European Patent Office
Prior art keywords
area
channels
midsole
horizontal plane
channel
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EP24150843.1A
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German (de)
English (en)
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EP4331423A2 (fr
EP4331423A3 (fr
Inventor
Ilmarin Heitz
Olivier BERNHARD
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On Clouds GmbH
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On Clouds GmbH
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Publication of EP4331423A3 publication Critical patent/EP4331423A3/fr
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    • 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
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
    • 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
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/06—Running shoes; Track shoes

Definitions

  • the invention relates to the field of shoe technology, in particular for sports and leisure shoes, and concerns a sole for a running shoe.
  • a sole with an improved cushioning effect is provided, which is preferably lightweight.
  • hierarchical cushioning is provided from the heel area through the midfoot area to the forefoot area, wherein the cushioning effect is preferably not segmented.
  • a sole with a cushioning effect is provided which has improved durability over a longer period of time.
  • a sole is provided with cushioning that is variable across different areas and sub-areas of the shoe.
  • first and second horizontal planes are vertically offset from each other allows for a so-called Hierarchical cushioning.
  • the cushioning is no longer limited to individual segments of cushioning elements, but extends essentially across the entire midsole.
  • Hierarchical cushioning is particularly advantageous because the channels in the first horizontal plane, which is closer to the underside, are more flexible and can therefore be deformed more easily than the channels in the second horizontal plane. This allows an additional cushioning effect to be created in specific, designated areas, significantly improving both the overall cushioning effect and the wearer's comfort. This effect can be further enhanced by additional channels in other horizontal planes.
  • a horizontal plane of the sole describes a plane that is substantially parallel to the underside of the sole, or substantially parallel to the ground. It is also understood that the horizontal plane can also be slightly curved. This can be the case, for example, if the sole, as is typical for running shoes, is curved slightly upwards vertically in the forefoot area and/or the heel area.
  • the longitudinal direction L of the sole is described by an axis from the heel area to the forefoot area and thus extends along the longitudinal axis of the sole.
  • the transverse direction Q of the sole runs transversely to the longitudinal axis and substantially parallel to the underside of the sole, or substantially parallel to the ground.
  • the transverse direction runs along a transverse axis of the midsole.
  • the vertical direction V in the context of the present invention refers to a direction from the underside of the sole towards the insole, or in the operative state towards the wearer's foot, and thus runs along a vertical axis of the midsole.
  • the lateral area of the midsole refers to an area along the lateral inner and outer sides of the midsole of the running shoe of a pair of running shoes, The region extends in the direction of the longitudinal axis of the midsole.
  • the horizontal extent of the lateral region is a few centimeters, for example, 0.1 to 5 cm, preferably 0.5 to 3 cm.
  • the medial region of the midsole refers to an area along the longitudinal axis in the middle of the midsole, which extends in the transverse direction of the midsole.
  • the horizontal extent of the medial region is a few centimeters, for example, 0.1 to 5 cm, preferably 0.5 to 3 cm.
  • a channel is understood to be a recess, which can typically be tubular. Generally, a channel is defined entirely or partially by channel walls. Typically, the channels are empty. However, it is also possible for the channels to be filled in some embodiments, for example, with an elastically deformable foam or with a gas.
  • the channels are each delimited by a front and a rear wall.
  • a wall can be formed by a flat surface, or by two or more surfaces that have one or more folded edges.
  • the term "folded edge” also encompasses embodiments that are slightly rounded and therefore not completely angular. Such a folded edge therefore runs along the channel and thus in the transverse direction of the midsole.
  • the front and/or rear wall of a channel can be designed as a so-called stable wall.
  • a stable wall refers to a wall that has no folded edge and extends essentially vertically along the midsole. A wall with a folded edge is therefore easier to deform than a stable wall.
  • the deformability of the channels may include, for example, vertical merging of the channel walls and/or shearing of the channel in the longitudinal direction.
  • bottom surface that comes into contact with the ground during walking also includes embodiments in which the midsole is coated with an additional layer, such as an outsole. In such cases, contact with the ground is at least partially achieved by such an outsole.
  • the soft-elastic midsole is formed in one piece.
  • the soft-elastic midsole is thus preferably made of a single material and is therefore more stable than a midsole consisting of multiple components, particularly components glued or welded together.
  • the channels have lateral openings in the lateral region of the midsole.
  • the channels are deformable vertically and/or horizontally in the longitudinal direction under the action of vertical and/or longitudinal forces occurring during walking until the lateral openings close.
  • the upper and lower canal walls can touch each other under the influence of the forces occurring during running.
  • the channels may have an elongated shape in the longitudinal cross-section.
  • the channels in the lateral region of the midsole are completely bounded by the soft-elastic midsole.
  • the channel walls in the lateral region of the midsole can therefore be completely formed by the midsole.
  • the channels in the side view of the sole can therefore be described as transverse openings in an otherwise preferably one-piece midsole.
  • the midsole has no segmentation. This can significantly improve the durability of the sole, since the midsole in the In general, it is significantly more stable than a segmented midsole. Furthermore, fatigue of the soft, elastic midsole is avoided or at least significantly reduced over the lifetime of the sole or running shoe. This allows the beneficial cushioning effect of the midsole to be consistently maintained over a long period of time.
  • the channels in a medial region of the midsole are delimited on one side by a layer extending across the heel region, the midfoot region, and the forefoot region.
  • the at least one side is the side facing the wearer's foot in the operative state. Consequently, in such an embodiment, the channels can have a substantially U- or V-shaped cross-section in the medial region of the midsole.
  • the cross-section can also be described by an upwardly open trapezoid.
  • the layer extending over the heel area, the midfoot area and the forefoot area consists of an elastic and incompressible plate.
  • the midsole has a groove extending longitudinally from the heel area to at least the midfoot area.
  • the groove extends only as far as the midfoot area.
  • the groove it is also possible for the groove to extend substantially through the entire midsole, connecting it only at the toe and heel.
  • the groove is open to the ground and is delimited on the lateral flanks by the soft, elastic midsole and on the base surface either by the insole of the running shoe or by a layer as described above.
  • the groove is particularly preferably essentially V-shaped, so that the flanks are inclined. This prevents stones and pieces of wood from getting trapped.
  • the transverse channels in the midsole can preferably be open towards the groove.
  • a design in which the groove extends from the heel to the midfoot area has proven particularly advantageous.
  • This groove allows for better deformability of the channels, which is particularly advantageous with thicker walls, such as those typically found in the heel and midfoot areas.
  • a significantly weaker cushioning effect is typically required, which is why the channel walls in this area are significantly thinner and thus more easily deformable than the channels in the heel and midfoot areas.
  • At least one channel has a slope in the vertical direction.
  • the vertical slope of the channels runs in the transverse direction and can, in particular, rise from the lateral region to the medial region.
  • a channel having such a slope can typically be arranged in the lateral region of the midsole in the first horizontal plane and, due to the slope in the medial region, in a further third horizontal plane that is vertically offset from the first horizontal plane.
  • a channel in the lateral region of the midsole can be arranged in the second horizontal plane and, due to the slope in the medial region, in a further fourth horizontal plane that is vertically offset from the second horizontal plane.
  • first and second horizontal planes are vertically offset from one another
  • third and fourth horizontal planes are identical, i.e., not vertically offset from one another.
  • third and fourth horizontal planes are also possible for the third and fourth horizontal planes to also be vertically offset from one another.
  • all channels in the heel and midfoot area have a vertical incline.
  • a vertical incline of the channels in the heel and midfoot area has the advantage of increasing stability in these areas and reducing or eliminating any floating effect that may occur.
  • the vertical gradient of the canals runs in a transverse direction and can increase particularly from the lateral area to the medial area.
  • the midsole has a groove extending longitudinally from the heel area into the midfoot area. Furthermore, all channels in the heel and midfoot areas can have a vertical incline. In this case, the channels can be open in the transverse direction of the midsole toward the groove.
  • the vertical gradient can be an upward gradient, i.e., the channel slopes toward the wearer's foot in the operative state.
  • the channels in the lateral region of the midsole can be arranged in a first, lower horizontal plane and a second, upper horizontal plane, and the gradient in the medial region can be arranged in a third and fourth horizontal plane, respectively, with the third and fourth horizontal planes being arranged vertically above the first and second horizontal planes.
  • the channel is formed entirely by the midsole in the lateral region of the midsole and only partially by the midsole in the medial region, so that in the medial region, at least one side of the channel, typically the upper side, i.e., the side facing the wearer's foot in the operative state, is delimited by a layer extending across the heel area, the midfoot area, and the forefoot area.
  • the vertical incline can be arranged between the lateral and medial regions or partially in the medial and partially in the lateral region of the midsole.
  • a midsole according to the invention with one or more channels that have a vertical gradient has several advantages. Firstly, this enables efficient cushioning in the lateral area of the midsole. At the same time, however, the stability of the The sole is raised, preventing or at least reducing the so-called floating effect associated with horizontal deformation. Another advantage is the generally increased stability of the medial area of the midsole, resulting in an improved and more stable ride. In designs with a groove described above, one or more vertically rising channels prevent any instabilities associated with the groove.
  • the width of the soft-elastic midsole between at least one channel and the underside is thinner in the lateral region of the midsole than in the medial region of the midsole. This makes the medial region of the midsole more stable. Furthermore, the service life of the running shoe, or rather the sole, can be significantly increased, as fatigue of the soft-elastic midsole over its service life is avoided or at least significantly reduced.
  • width of the soft elastic midsole between each channel in the heel and midfoot area and the underside in the lateral area of the midsole is thinner than in the medial area of the midsole.
  • the channels of the first horizontal plane are arranged horizontally offset in the longitudinal direction relative to the channels of the second horizontal plane. This further enhances the effect of hierarchical cushioning.
  • the channels can be arranged such that when the heel strikes, a channel in the first horizontal plane is deformed first. This channel is therefore the first channel in the transverse direction, viewed from the heel area in the running direction.
  • the following second channel is then offset vertically upwards in the second horizontal plane and arranged horizontally towards the toe of the sole.
  • the following third channel in the transverse direction would accordingly be arranged again in the first horizontal plane and offset horizontally from the second channel towards the toe of the sole.
  • Such an alternating arrangement can extend over the entire length of the sole, or preferably only over the heel and midfoot area.
  • the horizontal offset of the channels in the first and second horizontal planes has several advantages.
  • the hierarchical arrangement means that the cushioning is no longer limited to individual segments of cushioning elements, but extends essentially over the entire midsole.
  • the channels in the second horizontal plane which are generally arranged above the first horizontal plane, i.e. in the operative state towards the wearer's foot, can only be deformed with greater force due to their positioning than the channels in the first horizontal plane below.
  • the channels in the second horizontal plane are therefore suitable for enhancing the cushioning effect in areas subject to particular stress, such as the heel and midfoot area. By offsetting the channels horizontally, the overall width and thus the weight of the midsole can be minimized without this having a negative impact on the cushioning effect.
  • the channels in the forefoot area are arranged in only a single horizontal plane.
  • the additional cushioning effect provided by the transverse arrangement of channels in a second horizontal plane, which is located above the first horizontal plane is only required in highly stressed areas of the sole, such as the heel and midfoot areas, so that channels in the second horizontal plane in the forefoot area can be omitted.
  • the channels have a hexagonal and/or pentagonal cross-section in cross-section, particularly preferably in the lateral region of the soft-elastic midsole.
  • at least one corner of the penta- or hexagon is arranged in the longitudinal direction, i.e., in or against the running direction.
  • a corner of the penta- or hexagon can be arranged in the running direction towards the sole tip or against the running direction towards the sole end.
  • the penta- or hexagon may exhibit an asymmetry.
  • the sides of the penta- or hexagon in the running direction i.e., sides that run essentially parallel to the ground, may be longer than the other sides of the penta- or hexagon. This gives the channels an elongated cross-section.
  • the channels have two sides in cross-section that are essentially parallel to each other and to the floor or underside.
  • the angular shape of the channels in cross-section has a positive effect on the deformability of the channels.
  • the hexagonal shape is particularly suitable for channels arranged in the second, upper horizontal plane, as these have a lower deformability due to their position. This deformability can be increased to a certain extent by the hexagonal shape. Consequently, due to the correct shape of the channels, the deformability of each individual channel can be individually and flexibly adapted to its position and the specific forces acting on the channel.
  • the channels typically have a height (extension of the channels in the vertical direction) of 2 to 10 mm and a length (extension of the channels in the longitudinal direction) of 5 to 35 mm, preferably 10 to 30 mm, in the lateral area of the midsole.
  • the front wall of at least one channel in the first horizontal plane in the heel area has a folding edge.
  • the rear wall of the at least one channel in the first horizontal plane in the heel area is designed as a stable wall.
  • the rear wall therefore has no folding edge and preferably consists of an edgeless surface.
  • Such an embodiment has proven to be particularly advantageous since the strongest forces act on the rear wall of the at least one channel in the heel area due to the initial contact of the shoe when stepping on the heel.
  • the rear wall designed in this way means that these relatively strong forces can be absorbed efficiently.
  • the folding edge on the front wall of the at least one channel in the heel area a deformability of the channel until it closes under the forces occurring during running.
  • the cross-section of the respective at least one channel in this embodiment can be pentagonal, with one corner of the pentagon being directed in the running direction towards the sole tip and one side of the pentagon being arranged in the rear wall.
  • the rear wall of at least one channel in the first horizontal plane in the heel area can have a folded edge
  • the front wall of the at least one channel in the first horizontal plane in the heel area can be designed as a stable wall. This can be useful, for example, for providing an alternative cushioning profile if required.
  • the front wall of at least one channel in the first horizontal plane in the forefoot area is designed as a stable wall.
  • the rear wall of the at least one channel in the first horizontal plane in the forefoot area has a folded edge.
  • the front wall therefore has no folded edge and preferably consists of a surface without edges.
  • the greatest forces acting on the forefoot area emanate from the runner's imprint. It has therefore proven particularly advantageous that the front wall of the at least one channel in this area is designed as a stable wall and has no folded edge. This ensures that the imprint force emanating from the runner can be used almost entirely for the imprint and is not absorbed by the sole. Since the rear wall of the at least one channel in the forefoot area also has a folded edge, an excellent cushioning effect during stepping and rolling is nevertheless guaranteed in this area as well.
  • the front wall of at least one channel in the first horizontal plane in the forefoot area can have a folded edge
  • the rear wall of the at least one channel in the first horizontal plane in the forefoot area can be designed as a stable wall. This can be useful, for example, for providing an alternative cushioning profile if required.
  • the front wall and the rear wall of at least one channel in the first horizontal plane in the midfoot region each have a folding edge.
  • Relatively low forces occur at least in part of the midfoot region, since a large portion of the forces are already absorbed in the heel area during impact, and a large portion of the imprint acts on the forefoot area of the sole.
  • hexagonal channels can be provided in cross-section, which have an elongated shape in the longitudinal direction.
  • This is advantageous because it increases the deformability of the channels in the second, upper horizontal plane, which, due to their positioning within the midsole, generally have a lower deformability than the channels in the first, lower horizontal plane.
  • the channels in the heel and midfoot areas have a vertical incline, while the channels in the forefoot area have no vertical incline.
  • the additional stability provided by the vertical incline is particularly beneficial in high-stress areas, such as the heel and/or parts of the midfoot area. In the forefoot area, however, this is not absolutely necessary, so the additional complexity in this area of the sole can be dispensed with.
  • the channels in the forefoot area can penetrate the midsole completely in the transverse direction and lie essentially in a horizontal plane.
  • the channels are completely bordered by the soft elastic midsole and in the medial area they are bordered by a layer on one side, preferably the upper side, i.e. the side facing the wearer's foot in the operative state.
  • this is an insole or an elastic, incompressible plate of the type already described.
  • the Figure 1 The schematic side view shown shows an embodiment of a sole for a running shoe with a soft-elastic midsole 1.
  • the soft-elastic midsole is shown from the outside and has a bottom 2 that comes into contact with the ground B, shown as a dashed line, when running.
  • the midsole 1 comprises several channels 3a, 3b, 3c, 3d, 3e, 4a, 4b and 4c running in the transverse direction Q in a lateral region of the midsole (for better clarity, not all channels of the shown sole according to the invention are labeled).
  • Figure 1 shows the lateral area of the midsole in plan view.
  • the channels 3a, 3b, 3c, 3d and 3e are arranged in a first horizontal plane, as shown.
  • the soft-elastic midsole further comprises channels 4a, 4b and 4c, which are arranged in a second horizontal plane.
  • the two horizontal planes are offset from one another in the vertical direction V.
  • the coordinate system makes it clear that the horizontal planes essentially lie in the plane of the transverse Q and longitudinal direction L of the midsole, i.e. taking into account the slightly vertical curvature of the midsole.
  • the channels of the first horizontal plane extend over the entire length of the soft-elastic midsole and the channels of the second horizontal plane only over the heel and midfoot area. However, it is also conceivable that channels are also arranged in the second horizontal plane in the forefoot area.
  • the first horizontal plane forms the lower plane, i.e. the plane positioned closer to the underside 2
  • the second horizontal plane forms the upper plane, i.e. the plane positioned closer to the wearer's foot in the operative state.
  • the channels 3a, 3b, 3c, 3d, 3e, 4a, 4b and 4c each have a lateral Opening in the lateral area of the midsole 1. In the operative state, these can be deformed until they close due to the forces occurring during walking. The closure can essentially occur through vertical deformation and/or through horizontal deformation in the longitudinal direction, i.e., through shearing of the channels.
  • the channels 3a, 3b, 3c, 3d, 3e, 4a, 4b, and 4c are also completely delimited by the soft-elastic midsole 1 in the lateral area of the midsole 1.
  • all channel walls in the lateral area are formed by the soft-elastic midsole.
  • the channels 3a, 3b, 3c, 3d and 3e of the first horizontal plane are arranged horizontally offset in the longitudinal direction from the channels 4a, 4b and 4c of the second horizontal plane. Since the initial contact of the sole typically occurs in the heel area, the first channel 3a is deformed first. During the stepping and rolling process, the second channel 4a is deformed sequentially, followed by the third channel 3b, the fourth channel 4b, the fifth channel 3c, etc. Due to their positioning within the midsole 1, the channels in the second horizontal plane 4a, 4b and 4c can only be deformed with greater force than the channels 3a to e of the lower horizontal plane.
  • the Figure 2 shows a view of the underside 2 of a midsole 1 according to an embodiment of the invention.
  • a division of the midsole into a forefoot area VB, a midfoot area MFB and a heel area FB is shown.
  • the midsole 1 shown has a groove 6 extending from the heel area into the midfoot area.
  • the groove is directed towards the ground B, ie in the view shown the Figure 2 towards the viewer, open and is limited on the lateral flanks by the soft elastic midsole 1 and on the base by a layer 5. It is also visible that the lateral flanks are inclined, so that the groove 6 is V-shaped is open to the viewer.
  • channels such as channels 3b and 4b are visible, which are open to the channel and flow into it.
  • FIG. 3 An embodiment of a sole according to the invention for a running shoe with a soft-elastic midsole 1 is shown.
  • the channels 3a, 3d, 3e, and 4c (as well as the remaining channels shown, but not labeled for clarity) each have a front wall 31 and a rear wall 32.
  • the channels in the lateral region of the soft-elastic midsole 1 are pentagonal or hexagonal in cross-section.
  • Channel 3a which is arranged in the heel area, has a pentagonal cross-section, with one corner of the pentagon being arranged in the longitudinal direction and in the running direction, i.e. in the direction of the sole tip 7.
  • the pentagon is also asymmetrical, since the sides of the pentagon are longer in the longitudinal direction than the other sides of the pentagon.
  • the channel therefore has a flat shape.
  • the sides of the pentagon in the longitudinal direction are also parallel to each other and essentially parallel to the ground, or parallel to the underside.
  • the front wall 31 of the channel 3a has a folded edge, which in cross-section corresponds to the corner of the pentagon arranged in the running direction towards the sole tip 7.
  • Figure 3 The folded edge 33 is merely referenced in channel 3b with a reference symbol.
  • the rear wall 32 is designed as a rigid wall and thus has no folded edge.
  • the channel 3d which is located in the midfoot area and in the first horizontal plane
  • the channel 4c which is located in the midfoot area of the second horizontal plane
  • One corner of the hexagon is longitudinally aligned with the running direction, and one corner is longitudinally aligned opposite the running direction.
  • Each hexagon is asymmetrically formed, as the sides of the hexagon are longer in the longitudinal direction than the other sides of the hexagon.
  • the channel therefore has a flat Shape.
  • both the front wall 31 and the rear wall 32 of the channels 3d and 4c each have a folded edge. These folded edges correspond in cross-section to the corners of the hexagon arranged in the running direction toward the sole tip 7 and opposite to the running direction toward the sole end 9.
  • the channel 3e which is located in the forefoot area of the soft-elastic midsole and in the first horizontal plane, has, like the channel 3a, the shape of an asymmetrical pentagon in cross-section.
  • the channel 3e is designed such that one corner of the pentagon is arranged in the longitudinal direction and opposite to the running direction.
  • the rear wall 32 of the channel 3e has a folded edge, which in cross-section corresponds to the corner of the pentagon arranged opposite to the running direction to the sole end 9 of the midsole.
  • the front wall 31, on the other hand, is designed as a stable wall and therefore has no folded edge.
  • FIG 4 is a schematic longitudinal section of a further embodiment of the sole according to the invention for a running shoe with a soft, elastic midsole 1.
  • the channels 3a, 3b and 4a in the lateral area of the midsole are indicated as dashed lines.
  • the channels have a gradient in the vertical direction and, due to this gradient, are arranged in a further third and fourth horizontal plane in the medial area.
  • the third and fourth horizontal planes are identical, i.e., they are not offset from one another in the vertical direction. However, the third and fourth horizontal planes are offset from both the first and the second horizontal plane in the vertical direction.
  • the channels 3a, 3b and 4a are each shown as solid lines in the medial area. While the channels in the lateral area of the midsole 1 are completely bordered by the midsole, in the medial area they are only partially bordered by the midsole and are bordered on the upper side by a layer 5.
  • Channel 3e located in the forefoot area, has no incline in the medial area. However, channel 3e is also only partially bounded in the medial area by the soft-elastic midsole 1. On the upper side, channel 3e is bounded by layer 5.
  • Figure 5 A further embodiment of a sole according to the invention for a running shoe with a soft elastic midsole 1 is shown.
  • Figure 5 also shows a schematic division of the midsole into the lateral area LB and the medial area MB. These areas extend in the transverse, longitudinal, and vertical directions. However, the arrows shown do not define exact area boundaries.
  • Figure 5 is a cross-section of the midsole 1 through the channel 3a of the first horizontal plane, which in the lateral region is completely delimited by the soft-elastic midsole 1.
  • the channel also has a gradient 8 in the vertical upward direction, i.e. in the operative state in the direction of the wearer's foot.
  • the channel 3a is only partially delimited by the soft-elastic midsole, since the upper boundary of the channel 3a in the medial region is formed by the layer 5.
  • the midsole also has a groove 6, which is delimited by the midsole and the layer 5.
  • the groove 6 is essentially V-shaped.

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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
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  • Physical Education & Sports Medicine (AREA)
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Claims (14)

  1. Semelle pour une chaussure de course avec une semelle intercalaire élastique souple (1), qui présente une face inférieure (2) venant au moins partiellement en contact avec le sol (B) lors de la course, la semelle intercalaire (1) présentant plusieurs canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c), les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) étant disposés dans une zone latérale de la semelle intercalaire (1) dans au moins un premier et un deuxième plan horizontal, le premier et le deuxième plan horizontal étant décalés verticalement l'un par rapport à l'autre, les canaux (3a, 3b, 3c, 3d, 3e) du premier plan horizontal étant décalés horizontalement dans le sens longitudinal par rapport aux canaux (4a, 4b, 4c) du deuxième plan horizontal, les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) sont disposés de telle sorte que, par rapport à un premier canal disposé dans le premier plan horizontal vu depuis la zone de talon (FB) dans le sens de la marche, un deuxième canal suivant dans le deuxième plan horizontal est décalé verticalement vers le haut et horizontalement en direction de la pointe de la semelle, et les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) étant délimités chacun dans la direction longitudinale (L) par une paroi avant (31) et une paroi arrière (32), caractérisé par le fait que en ce que les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) sont déformables verticalement et/ou horizontalement dans la direction longitudinale (L) jusqu'à la fermeture sous l'effet de forces agissant verticalement (V) et/ou dans la direction longitudinale et apparaissant lors de la course.
  2. Semelle selon la revendication 1, dans laquelle les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) présentent des ouvertures latérales dans la zone latérale de la semelle intermédiaire (1), et dans laquelle les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) sont déformables verticalement et/ou horizontalement dans la direction longitudinale, de préférence sous l'effet de forces agissant verticalement et/ou dans la direction longitudinale, qui apparaissent lors de la course, jusqu'à la fermeture des ouvertures latérales.
  3. Semelle selon l'une des revendications précédentes, dans laquelle les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) présentent en section transversale une forme allongée.
  4. Semelle selon l'une des revendications précédentes, dans laquelle les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) sont entièrement délimités dans la zone latérale de la semelle intercalaire (1) par la semelle élastique souple (1).
  5. Semelle selon l'une des revendications précédentes, dans laquelle les canaux (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) sont délimités dans une zone médiale de la semelle intermédiaire (1) sur un côté par une couche s'étendant sur la zone de talon (FB), la zone de mi-pied (MB) et la zone d'avant-pied (VB), ladite couche (5) étant de préférence constituée par une plaque élastique incompressible.
  6. Semelle selon l'une des revendications précédentes, dans laquelle la semelle intercalaire (1) présente une gouttière (6) s'étendant longitudinalement depuis la zone de talon (FB) jusqu'au moins la zone de mi-pied (MB).
  7. Semelle selon l'une des revendications précédentes, dans laquelle au moins un canal (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) présente une pente (8) dans la direction verticale, le au moins un canal (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) étant de préférence disposés dans la zone latérale de la semelle intercalaire (1) dans le premier plan horizontal et, en raison de la pente (8), dans la zone médiale dans un troisième plan horizontal décalé par rapport au premier plan horizontal.
  8. Semelle selon l'une des revendications précédentes, dans laquelle une largeur de la semelle intercalaire élastique souple (1) entre au moins un canal (3a, 3b, 3c, 3d, 3e, 4a, 4b, 4c) et la face inférieure est plus mince dans la zone latérale de la semelle intercalaire que dans la zone médiale de la semelle intercalaire.
  9. Semelle selon l'une des revendications précédentes, dans laquelle les canaux (3e) sont disposés dans la zone d'avant-pied (VB) uniquement dans un seul plan horizontal.
  10. Semelle selon l'une quelconque des revendications précédentes, dans laquelle les canaux (3a, 3b, 3c, 3d, 3e ,4a, 4b, 4c) présentent une section transversale hexagonale et/ou pentagonale.
  11. Semelle selon l'une des revendications précédentes, dans laquelle la paroi avant (31) d'au moins un canal (3a, 3b) présente un bord de pliage (33) dans le premier plan horizontal dans la zone de talon (FB) et la paroi arrière (32) d'au moins un canal (3a, 3b) est réalisée sous forme de paroi stable dans le premier plan horizontal dans la zone de talon (FB).
  12. Semelle selon l'une des revendications précédentes, dans laquelle la paroi avant (31) d'au moins un canal (3e) dans le premier plan horizontal dans la zone d'avant-pied (VB) est conçue comme une paroi stable et la paroi arrière (32) d'au moins un canal (3e) dans le premier plan horizontal dans la zone d'avant-pied (VB) présente un bord de pliage (33).
  13. Semelle selon l'une des revendications précédentes, dans laquelle la paroi avant (31) et la paroi arrière (32) d'au moins un canal (3d) dans le premier plan horizontal présentent chacune un bord de pliage (33) dans la zone de mi-pied (MFB) ; et/ou dans laquelle la paroi avant (31) et la paroi arrière (32) d'au moins un canal (4a, 4b, 4c) dans le deuxième plan horizontal présentent chacune un bord de pliage (33).
  14. Semelle selon l'une des revendications précédentes, dans laquelle les canaux (3a, 3b, 3c, 3d, 4a, 4b, 4c) dans la zone de talon (FB) et la zone de mi-pied (MB) présentent une pente (8) dans le sens vertical et, de préférence, les canaux (3e) dans la zone d'avant-pied (VB) ne présentent pas de pente dans le sens vertical.
EP24150843.1A 2018-11-27 2019-10-25 Semelle d'usure dotée d'une semelle intermédiaire souple Active EP4331423B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01463/18A CH715590A1 (de) 2018-11-27 2018-11-27 Laufschuhsohle mit Weichelastischer Mittelsohle.
EP19797620.2A EP3886635B1 (fr) 2018-11-27 2019-10-25 Semelle d'usure dotée d'une semelle intermédiaire souple
PCT/EP2019/079299 WO2020108896A1 (fr) 2018-11-27 2019-10-25 Semelle d'usure dotée d'une semelle intermédiaire souple

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EP4331423A2 EP4331423A2 (fr) 2024-03-06
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EP4331423B1 true EP4331423B1 (fr) 2025-06-18

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EP24151850.5A Active EP4331424B1 (fr) 2018-11-27 2019-10-22 Semelle de chaussure de course pourvue de canaux d'amortissement
EP19791241.3A Active EP3886634B1 (fr) 2018-11-27 2019-10-22 Semelle de chaussure de course pourvue de canaux d'amortissement
EP24150843.1A Active EP4331423B1 (fr) 2018-11-27 2019-10-25 Semelle d'usure dotée d'une semelle intermédiaire souple
EP19797620.2A Active EP3886635B1 (fr) 2018-11-27 2019-10-25 Semelle d'usure dotée d'une semelle intermédiaire souple

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EP19791241.3A Active EP3886634B1 (fr) 2018-11-27 2019-10-22 Semelle de chaussure de course pourvue de canaux d'amortissement

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EP (4) EP4331424B1 (fr)
JP (3) JP2022509653A (fr)
KR (2) KR102926295B1 (fr)
CN (2) CN113490435A (fr)
AU (2) AU2019387051B2 (fr)
BR (1) BR112021009891B1 (fr)
CA (2) CA3121225A1 (fr)
CH (2) CH715590A1 (fr)
DK (1) DK4331424T3 (fr)
IL (2) IL283388B2 (fr)
MX (2) MX2021006258A (fr)
NZ (1) NZ776375A (fr)
PT (1) PT4331424T (fr)
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US20220031017A1 (en) 2022-02-03
CN113423300A (zh) 2021-09-21
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NZ776375A (en) 2024-12-20
AU2019387051B2 (en) 2025-05-01
EP4331424A3 (fr) 2024-05-08
IL283391A (en) 2021-07-29
KR102804322B1 (ko) 2025-05-07
JP7380995B2 (ja) 2023-11-15
US12426674B2 (en) 2025-09-30
SG11202105582WA (en) 2021-06-29
WO2020108868A1 (fr) 2020-06-04
CH715596A2 (de) 2020-05-29
CH715590A1 (de) 2020-05-29
JP7818654B2 (ja) 2026-02-20
BR112021010087A2 (pt) 2021-08-17
EP4331424A2 (fr) 2024-03-06
EP3886635A1 (fr) 2021-10-06
EP4331423A2 (fr) 2024-03-06
AU2019387051A1 (en) 2021-06-17
DK4331424T3 (da) 2025-10-06
EP4331423A3 (fr) 2024-05-08
EP3886635B1 (fr) 2024-02-14
CA3121225A1 (fr) 2020-06-04
MX2021006257A (es) 2021-07-15
KR20210108386A (ko) 2021-09-02
JP2024129128A (ja) 2024-09-26
JP2022509138A (ja) 2022-01-20
CN113490435A (zh) 2021-10-08
EP3886634B1 (fr) 2024-02-21
BR112021009891A2 (pt) 2021-08-17
KR20210106456A (ko) 2021-08-30
IL283388A (en) 2021-07-29
IL283388B2 (en) 2026-04-01
US20250366567A1 (en) 2025-12-04
US12599194B2 (en) 2026-04-14
EP3886634A1 (fr) 2021-10-06
IL283388B1 (en) 2025-12-01
AU2019387058A1 (en) 2021-06-10
US20240373978A1 (en) 2024-11-14
CA3120592A1 (fr) 2020-06-04
SG11202105260PA (en) 2021-06-29
PT4331424T (pt) 2025-08-29
KR102926295B1 (ko) 2026-02-19
EP4331424B1 (fr) 2025-08-13
US20220031018A1 (en) 2022-02-03
US20260068986A1 (en) 2026-03-12
JP2022509653A (ja) 2022-01-21
MX2021006258A (es) 2021-07-15
WO2020108896A1 (fr) 2020-06-04
US12064005B2 (en) 2024-08-20

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