EP4331424A2 - Laufschuhsohle mit kanaldämpfung - Google Patents

Laufschuhsohle mit kanaldämpfung Download PDF

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Publication number
EP4331424A2
EP4331424A2 EP24151850.5A EP24151850A EP4331424A2 EP 4331424 A2 EP4331424 A2 EP 4331424A2 EP 24151850 A EP24151850 A EP 24151850A EP 4331424 A2 EP4331424 A2 EP 4331424A2
Authority
EP
European Patent Office
Prior art keywords
channels
area
midsole
running
channel
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.)
Pending
Application number
EP24151850.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4331424A3 (de
Inventor
Olivier BERNHARD
Ilmarin Heitz
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.)
ON Clouds GmbH
Original Assignee
ON Clouds GmbH
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
Application filed by ON Clouds GmbH filed Critical ON Clouds GmbH
Publication of EP4331424A2 publication Critical patent/EP4331424A2/de
Publication of EP4331424A3 publication Critical patent/EP4331424A3/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • A43B13/14—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 relates to a sole for a running shoe, as well as the use of a sole for the production of a running shoe.
  • the shoe's first contact with the ground occurs in the heel area.
  • the passive force refers to the force acting when stepping, while, for example, active force refers to the force emanating from the wearer when pushing off.
  • running shoes generally have particularly pronounced cushioning in the heel area. Such a construction makes it possible to ensure at least sufficient vertical cushioning, but the pronounced cushioning has a negative effect on the overall weight of the shoe. The result of this is that the running shoes known in the prior art either have an unsatisfactory cushioning effect and/or are heavy.
  • a sole with an improved cushioning effect is provided, which preferably has a low weight.
  • a sole with a cushioning effect is provided which has improved durability over a longer period of time.
  • the sole according to the invention for a running shoe comprises a soft, elastic midsole, which has an underside that comes into at least partial contact with the ground when running.
  • the midsole also has a plurality of channels running in the transverse direction, which are arranged in a lateral region of the midsole in a horizontal plane. At least some of the channels (3a, 3b) are in the forefoot area (VFB) and/or at least some of the channels are in the midfoot area (MFB) and/or at least some of the channels are arranged in the heel area (FB) of the midsole.
  • the channels are each delimited in the running direction by a front wall and a rear wall and each have an elongated shape in cross section along the running direction.
  • the channels Under the action of forces acting vertically and/or in the longitudinal direction when running, the channels can be deformed vertically in the longitudinal direction until they are closed. Due to the elongated cross-sectional shape of the channels in the longitudinal direction, in contrast to channels without such an elongated shape, for example a circular or square cross-section, a significantly improved damping effect is achieved without there being a feeling of swimming due to a significant loss of stability caused by the channels comes.
  • the channel damping of the midsole interacts with the material-induced damping of the soft-elastic midsole in a running shoe sole according to the invention. Due to the elongated shape of the channels, the damping effects are optimally coordinated.
  • the channels offer the advantage that the weight of the running shoe can be significantly reduced.
  • a horizontal plane of the sole describes a plane which is aligned 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 is bent vertically slightly upwards in the forefoot area and/or in the heel area, as is typical for running shoes.
  • 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 essentially parallel to the underside of the sole, or essentially parallel to the ground.
  • the transverse direction thus runs along a transverse axis of the midsole.
  • the vertical direction V denotes 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 inside and outside sides of the midsole of the running shoe of a pair of running shoes, the area extending in the direction of the longitudinal axis of the midsole.
  • the horizontal extent of the lateral area is a few centimeters, for example 0.1 to 5 cm, preferably 0.5 to 3 cm.
  • the medial area 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 area is a few centimeters, for example 0.1 to 5 cm, preferably 0.5 to 3 cm.
  • the person skilled in the art understands that the horizontal extent of the lateral area and medial area can vary depending on the respective shoe size.
  • a channel is to be understood as meaning a recess, which can typically be tubular.
  • the channels run in the transverse direction of the sole, i.e. are arranged essentially transversely to the running direction and are arranged parallel to the running surface or parallel to the ground.
  • a channel is completely or partially bordered by channel walls.
  • the channels are empty.
  • the channels 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.
  • the channels can have an upper and lower wall.
  • a wall can be formed by a flat surface, or in particular the front and rear walls by two or more surfaces which form one or more folding edges.
  • folding edge also includes embodiments that are slightly rounded and therefore not completely angular. Such a folded edge consequently runs along the channel and thus in the transverse direction of the midsole and essentially transversely to the running direction.
  • the deformability of the channels can include, for example, the vertical collapsibility of the channel walls and/or the shearability of the channel in the longitudinal direction.
  • the phrase “underside that comes into contact with the ground when running” also includes embodiments in which the midsole is coated with a further lower layer, for example a full-surface or segmented outsole. In such cases, contact with the ground is at least partially established by means of such an outsole.
  • the elongated shape of the channels in the transverse direction can, for example, have a square or oval cross section.
  • the midsole preferably has a plurality of channels, in particular at least 3, at least 4, at least 5, at least 6, at least 7 or at least 8 channels.
  • the channels have lateral openings in the lateral region of the midsole.
  • the channels can be deformed vertically and/or horizontally in the longitudinal direction under the action of vertically and/or longitudinally acting forces that occur during running until the side openings are closed.
  • the upper and lower canal walls can touch each other under the forces of running.
  • At least some of the channels are arranged in the heel area and additionally some of the channels are arranged in the forefoot area and/or some of the channels are arranged in the metatarsal area of the midsole.
  • at least some of the channels are arranged in the forefoot area, some of the channels are in the metatarsal area and some of the channels are arranged in the heel area of the midsole.
  • at least one channel is arranged in the heel area, in the metatarsal area and in the forefoot area. Since some of the channels are arranged in the forefoot area, some in the midfoot area and some in the heel area of the midsole, the channels are preferably distributed substantially over the entire midsole.
  • the channels are completely delimited by the midsole, at least in the lateral area, whereby the overall damping effect consisting of the damping effect of the soft elastic material of the midsole and the effect of the channels is optimized.
  • At least some of the channels are arranged in the heel area and at least some of the channels are arranged in the forefoot area.
  • the channels in the heel area have a greater channel height than the channels in the forefoot area.
  • the passive forces that occur and need to be dampened when running are typically greatest when striking with the heel, so that in this area a targeted increase in the damping effect by increasing the canal height is advantageous.
  • the channel height is defined as the greatest vertical distance between the channel boundaries, in particular the channel walls, within a channel.
  • the channels are arranged in the heel area and/or in the forefoot area and/or in the metatarsal area of a single horizontal plane.
  • all channels of the sole lie in a single horizontal plane, at least in the lateral region.
  • the channels have a substantially hexagonal and/or pentagonal cross section.
  • at least one corner of the penta- or hexagon is arranged in the longitudinal direction, ie in or against the running direction.
  • a corner of the penta or hexagon can be arranged in the running direction towards the tip of the sole or against the running direction towards the end of the sole.
  • the penta- or hexagon can have an asymmetry, for example the sides of the penta- or hexagon in the running direction, ie sides that run essentially parallel to the ground, can be designed to be longer than the remaining sides of the penta- or hexagon. This gives the channels, among other things, the elongated shape according to the invention in cross section.
  • the channels have two sides in cross section that are essentially parallel to one another and to the bottom or to the underside. These sides correspond to the upper and lower walls of the channel.
  • the angular shape of the channels in the cross section has positive effects on the deformability of the channels.
  • the hexagonal shape is particularly suitable for improving the deformability of the channels. 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 front wall and the rear wall of at least one channel each have a front and a rear folding edge.
  • the front and rear folded edges are arranged in the running direction towards the tip of the sole, or against the running direction in the direction of the heel edge of the sole.
  • the ratio of the channel height to the channel width in the lateral region of the midsole of each channel is in the range of 0.15 to 0.6, preferably 0.2 to 0.4.
  • the channel width is defined by the largest horizontal distance of the channel boundary within a channel.
  • the ratio of the channel height to the channel width in the lateral region of the midsole of each channel is greater in the heel region than in the forefoot region.
  • the ratio in the heel area can be 0.35 to 0.4 and the ratio in the forefoot area can be 0.2 to 0.3.
  • the channel width of each channel in the lateral area, in particular in the area of the side openings can be 15 to 20 mm and the channel height of each channel in the lateral area, in particular in the area of the side openings, can be 5 to 10 mm.
  • the channel width of each channel in the lateral area, in particular in the area of the side openings can be 9 to 16 mm, in particular 10 to 14 mm, and the channel height of each canal in the lateral area, in particular in the area of the side openings, can be 1 to 5 mm, in particular 2 to 4 mm.
  • the channel height and width can vary depending on the shoe size.
  • the channels each taper from the lateral region of the midsole towards the medial region of the midsole.
  • the cross-section or cross-sectional area of each channel in the medial area can be 8 to 20% smaller than in the lateral area, especially than in the area of the side openings.
  • each channel in the area of the side openings has a greater width and/or height in the lateral area than in the medial area.
  • the ratio of the canal height to the canal width of each canal can be greater in the lateral area than in the medial area of the respective canal.
  • the channels are fully compressible when running with a force of 1000 N to 3000 N, preferably 1500 N to 2000 N.
  • the sole includes an incompressible elastic plate, which preferably extends over the entire midsole.
  • a plate can extend over the heel, metatarsal and forefoot areas.
  • the plate is a continuous plate, which therefore has no recesses.
  • the plate can be arranged in the vertical direction above the soft-elastic midsole and thus at least partially or completely cover it.
  • the channels are in a medial area of the midsole on one side through the elastic incompressible plate limited. Since the required damping effect in the forefoot area is significantly lower than in the heel and metatarsal area, in such embodiments the overall weight can be reduced by saving midsole material without causing a significant deterioration in the damping effect.
  • the elastic incompressible plate has the advantage of supporting the impression process while running, since the plate is tensioned while running and returns to its original shape during the impression process. This means that the runner has to use less force per push-off process than without the elastic, incompressible plate.
  • the midsole has a groove extending in the longitudinal direction from the heel area to at least the metatarsal area.
  • the channel can have a depth of 1 cm to 3 cm, preferably 1.8 to 2.5 cm. The expert understands that the depth of the channel can vary depending on the respective shoe size.
  • the channel In the cross section in the transverse direction of the sole, the channel can be V-shaped.
  • the cross section preferably has a gradation, with the angle between the tread and the channel being between 40 and 60° in the area of the tread and 75 to 90° at the gradation. This can prevent stones from becoming trapped in the gutter.
  • the channel has the advantage that significant material savings are made in the midsole, which essentially occurs without a deterioration in stability.
  • the width of the channel in the area of the tread can be 2 to 3 cm and narrow in the vertical direction to 0.5 to 1.5 cm, preferably 0.7 to 0.9 cm.
  • the person skilled in the art understands that the width of the gutter may vary depending on the size of the shoe.
  • the channel can be delimited directly by the plate.
  • the incompressible elastic plate is therefore directly exposed to the environment, at least in the area of the channel.
  • a further aspect of the invention relates to a running shoe comprising a sole according to one of the embodiments described here.
  • Another aspect of the invention relates to the use of a sole according to one of the embodiments described here for producing a running shoe.
  • 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 in a view of the outside and has an underside 2 that comes into contact with the floor B shown as a dashed line when running.
  • the midsole 1 comprises eight channels 3a, 3b, 3c and 3d running in the transverse direction Q a lateral area of the midsole (for better clarity, not all channels of the sole according to the invention shown are labeled).
  • the Figure 1 shows the lateral area of the midsole in a side view.
  • the channels 3a, 3b, 3c and 3d are arranged in a single horizontal plane as shown.
  • the first horizontal plane has a slight curvature, in the present case a convex curvature when viewed from the ground.
  • the horizontal plane essentially lies in the plane of the transverse Q and longitudinal directions L of the midsole, that is, without taking into account the slightly vertical curvature of the midsole.
  • the channels extend over the entire length of the soft, elastic midsole.
  • the channels 3a, 3b, 3c and 3d each have a lateral opening in the lateral area of the midsole 1. In the operative state, the openings can be deformed until they close due to the forces that occur when running. The closure can essentially take place through vertical deformation and/or also through horizontal deformation in the longitudinal direction, ie through shearing of the channels.
  • the channels 3a, 3b, 3c and 3d are also completely delimited in the lateral area of the midsole 1 by the soft elastic midsole 1. This means that all channel walls in the lateral area are formed by the soft, elastic midsole.
  • Each of the channels 3a, 3b, 3c and 3d has a front wall 31 and a rear wall 32.
  • the channels in the lateral area of the soft elastic midsole 1 are hexagonal in cross section.
  • One corner of the hexagon points in the longitudinal direction in the running direction and one corner in the longitudinal direction points in the opposite direction to the running direction.
  • the respective hexagon is designed asymmetrically because the sides of the hexagon are longer in the longitudinal direction than the remaining sides of the hexagon.
  • the respective channel therefore has an elongated and flat shape.
  • both the front wall 31 and the rear wall 32 of the channels each have a folded edge 33. This In cross section, folded edges correspond to the corners of the hexagon arranged in the running direction to the sole tip 7 and against the running direction to the heel edge 4.
  • 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 VFB, a metatarsal area MFB and a heel area FB is shown.
  • the midsole 1 shown has a groove 6 extending from the heel area into the metatarsal area.
  • the gutter is facing floor B, ie in the view shown Figure 2 towards the viewer, open and is limited on the side flanks by the soft elastic midsole 1 and on the base by an elastic incompressible plate 5. It can also be seen that the side flanks are inclined, so that the channel 6 is essentially V-shaped and opens towards the viewer.
  • the channel 6 extends through the entire midsole 1, ie from the heel area FB over the metatarsal area MFB to the forefoot area VFB.
  • FIG. 3 A further embodiment of a sole according to the invention for a running shoe with a soft, elastic midsole 1 is shown.
  • the Figure 3 also shows a schematic division of the midsole into the lateral area LB and the medial area MB. These areas extend in the transverse and longitudinal directions as well as in the vertical direction. However, the arrows shown do not define exact range boundaries.
  • the Figure 3 is a cross section of the midsole 1 through the channel 3b of the first horizontal plane, which is completely delimited in the lateral area by the soft elastic midsole 1.
  • the sole comprises the elastic incompressible plate 5, which delimits the channel 6 in the medial area and is exposed to the environment in the medial area.
  • the channel is funnel-shaped in cross-section in the transverse direction and has a gradation.
  • the first angle ⁇ between the underside 2 and the channel in the area of the underside or the tread is approximately 55°.
  • the second angle ⁇ between the bottom 2 and the upper boundary of the channel is approximately 85°.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP24151850.5A 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung Pending EP4331424A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH01463/18A CH715590A1 (de) 2018-11-27 2018-11-27 Laufschuhsohle mit Weichelastischer Mittelsohle.
CH00802/19A CH715596A2 (de) 2018-11-27 2019-06-13 Laufschuhsohle mit Kanaldämpfung.
EP19791241.3A EP3886634B1 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung
PCT/EP2019/078671 WO2020108868A1 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19791241.3A Division EP3886634B1 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung

Publications (2)

Publication Number Publication Date
EP4331424A2 true EP4331424A2 (de) 2024-03-06
EP4331424A3 EP4331424A3 (de) 2024-05-08

Family

ID=68426425

Family Applications (4)

Application Number Title Priority Date Filing Date
EP24151850.5A Pending EP4331424A3 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung
EP19791241.3A Active EP3886634B1 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung
EP19797620.2A Active EP3886635B1 (de) 2018-11-27 2019-10-25 Laufschuhsohle mit weichelastischer mittelsohle
EP24150843.1A Pending EP4331423A3 (de) 2018-11-27 2019-10-25 Laufschuhsohle mit weichelastischer mittelsohle

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP19791241.3A Active EP3886634B1 (de) 2018-11-27 2019-10-22 Laufschuhsohle mit kanaldämpfung
EP19797620.2A Active EP3886635B1 (de) 2018-11-27 2019-10-25 Laufschuhsohle mit weichelastischer mittelsohle
EP24150843.1A Pending EP4331423A3 (de) 2018-11-27 2019-10-25 Laufschuhsohle mit weichelastischer mittelsohle

Country Status (13)

Country Link
US (2) US20220031018A1 (zh)
EP (4) EP4331424A3 (zh)
JP (2) JP2022509653A (zh)
KR (2) KR20210108386A (zh)
CN (2) CN113490435A (zh)
AU (2) AU2019387051A1 (zh)
BR (1) BR112021009891B1 (zh)
CA (2) CA3121225A1 (zh)
CH (2) CH715590A1 (zh)
IL (2) IL283388A (zh)
MX (2) MX2021006258A (zh)
SG (2) SG11202105582WA (zh)
WO (2) WO2020108868A1 (zh)

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US11122857B2 (en) * 2019-06-12 2021-09-21 Wolverine Outdoors, Inc. Footwear cushioning sole assembly
USD1004258S1 (en) * 2022-02-10 2023-11-14 On Clouds Gmbh Shoe sole
USD1000822S1 (en) * 2022-02-10 2023-10-10 On Clouds Gmbh Shoe

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JP2022509653A (ja) 2022-01-21
US20220031018A1 (en) 2022-02-03
WO2020108868A1 (de) 2020-06-04
BR112021009891A2 (pt) 2021-08-17
WO2020108896A1 (de) 2020-06-04
JP2022509138A (ja) 2022-01-20
SG11202105260PA (en) 2021-06-29
EP3886634B1 (de) 2024-02-21
BR112021010087A2 (pt) 2021-08-17
EP4331424A3 (de) 2024-05-08
KR20210108386A (ko) 2021-09-02
JP7380995B2 (ja) 2023-11-15
MX2021006258A (es) 2021-07-15
CH715596A2 (de) 2020-05-29
MX2021006257A (es) 2021-07-15
EP3886635A1 (de) 2021-10-06
BR112021009891B1 (pt) 2023-01-03
CN113423300A (zh) 2021-09-21
CN113490435A (zh) 2021-10-08
CA3121225A1 (en) 2020-06-04
EP3886635B1 (de) 2024-02-14
EP4331423A3 (de) 2024-05-08
CA3120592A1 (en) 2020-06-04
IL283388A (en) 2021-07-29
EP3886634A1 (de) 2021-10-06
KR20210106456A (ko) 2021-08-30
AU2019387051A1 (en) 2021-06-17
IL283391A (en) 2021-07-29
US20220031017A1 (en) 2022-02-03
SG11202105582WA (en) 2021-06-29
CH715590A1 (de) 2020-05-29
EP4331423A2 (de) 2024-03-06
AU2019387058A1 (en) 2021-06-10

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