EP2198729B1 - Schuh mit verbessertem Schuhboden - Google Patents

Schuh mit verbessertem Schuhboden Download PDF

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Publication number
EP2198729B1
EP2198729B1 EP09015365.1A EP09015365A EP2198729B1 EP 2198729 B1 EP2198729 B1 EP 2198729B1 EP 09015365 A EP09015365 A EP 09015365A EP 2198729 B1 EP2198729 B1 EP 2198729B1
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EP
European Patent Office
Prior art keywords
shoe
reinforcing layer
bridge
layer
comfort
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Active
Application number
EP09015365.1A
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English (en)
French (fr)
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EP2198729A1 (de
Inventor
René Borel
Guillaume Amphyon
Pascal Stryjak
Warren Bosomworth
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.)
Salomon SAS
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Salomon SAS
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Publication date
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Publication of EP2198729A1 publication Critical patent/EP2198729A1/de
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Publication of EP2198729B1 publication Critical patent/EP2198729B1/de
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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
    • 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
    • A43B13/10—Metal
    • 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
    • A43B13/141—Soles; Sole-and-heel integral units characterised by the constructive form with a part of the sole being flexible, e.g. permitting articulation or torsion
    • 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

Definitions

  • the invention relates to a walking or sports shoe.
  • Such shoes can be used in areas such as walking, running on flat terrain or in the mountains, wheeling, ball sport, or whatever.
  • a shoe may include a low or high shaft.
  • the shoe can also be relatively flexible or on the contrary more rigid.
  • the sole of the shoe provides a certain comfort. This means in particular that the sole assembly must dampen impulses or the transit of sensory information related to walking. It also means that the sole should be light, as far as possible, to limit the inertia of the shoe and the fatigue that result.
  • the outer sole includes a layer of comfort.
  • the latter fulfills a role of depreciation, while giving a certain lightness to the shoe.
  • a comfort layer alone does not necessarily fulfill all the expected functions of a sole. Indeed it is useful that the sole facilitates walking, storing and then restoring at least a portion of the energy provided during the course of the foot.
  • the comfort layer is located between the rod and the reinforcing layer.
  • the reinforcing layer may comprise rubber. This material improves the adhesion to the ground. But, also, the reinforcing layer is able to store and then restore at least a portion of the energy provided during the unwinding of the foot. Indeed, a sequence puts the reinforcing layer in tension. This is the distance between the rod and the reinforcing layer, in fact the thickness of the comfort layer, which allows the tensioning. This is all the stronger as the thickness of the comfort layer is large.
  • the prior art has also proposed adding elastic elements in a region of the sole assembly.
  • a strip of elastomeric material is inserted between the outsole and the comfort layer of the sole.
  • the benefit of the spring effect is imperfect.
  • one of the aims of the invention is to increase the spring effect, that is to say the ability to propel the shoe, provided by the sole assembly.
  • Another goal is to optimize the distribution of the spring effect or stimulus, that is to say to get it especially where it is useful.
  • a further object of the invention is to confer on the sole assembly a reduced weight, as well as a simplicity of structure.
  • the invention proposes a shoe according to claim 1.
  • the fixing of the first and second portions is understood by a securing, which prevents relative movement between the comfort layer and the portions. Fixing can be obtained for example by gluing.
  • the bridge as for him is opposite the layer of comfort without being fixed there. This is why it can deform in a sense of reversible elongation. This is to say that a portion of the reinforcing layer, namely the bridge, can be reversibly tensioned when the sole flexes. Of course the flexing of the sole is linked to the unfolding of the foot.
  • each bridge is able to accumulate and return energy supplied during the unwinding of the foot. Accumulation and restitution are optimized because the bridge is not attached to the comfort layer.
  • the invention therefore has the advantage of increasing the spring effect of the sole assembly.
  • the invention also improves the damping, the elongation of a bridge reducing the intensity of pulses or sensory information.
  • the first embodiment that will be described after more specifically relates to shoes for walking or running flat or on rough ground.
  • the invention applies to other fields such as those mentioned before.
  • a walking shoe is provided to accommodate the foot of the user.
  • the shoe 1 comprises an outer sole 2 and a rod 3 disposed on the sole.
  • the shoe 1 extends in length, in a longitudinal direction L, between a rear end or heel 4 and a front end or tip 5, and in width, in a transverse direction W, between a lateral side 6 and a medial side 7 .
  • the rod 3 comprises a lower portion 10, provided to surround the foot, with the exception of an upper portion.
  • the stem also comprises an upper portion.
  • shoe 1 is a mule. This means that the user's heel is partially exposed, because towards the rear end 4 the height of the rod is reduced.
  • it can alternatively be provided a more conventional rod, for which the heel of the user is completely covered. In this case even if it remains low, the rod is raised at the heel 4.
  • the shoe 1 is structured to allow a smooth running of the foot during walking, transmissions of sensory information, and impulses for support or receptions. This is why the outer sole 2 and the rod 3 are relatively flexible.
  • the rod 3 comprises a lateral quarter 12 and a medial quarter 13. However, it could be provided the addition of a tongue, which would connect to each other the quarters 12, 13 to give the rod 3 continuity .
  • the rod 3 is secured to the sole assembly 2, by gluing, sewing, or any other means such as interlocking.
  • the outer soleing 2 comprises a first comfort layer 15 and a reinforcing layer 16, the first comfort layer 15 being located between the reinforcing layer 16 and the rod 3.
  • the first reinforcing layer 16 is a walking sole. As such, it offers sufficient ground adhesion and is resistant to wear. It includes, for example, rubber, or any suitable material such as polyurethane or the like.
  • the reinforcing layer 16 comprises a first portion 21 and a second portion 22 connected to each other by a bridge 23, the first 21 and second 2 portions being fixed to the comfort layer 15, the bridge 23 being in view of the comfort layer 15 and not fixed thereto, therefore freer, vis-à-vis it, in comparison with the first 21 and second 22 portions.
  • the reinforcing layer 16 is fragmented.
  • it comprises several pieces, namely a peripheral piece 25 and an internal piece 26.
  • the peripheral piece 25 extends in the direction of its length from a first end 27 to a second end 28.
  • the first end 27 is located on the medial side 7 at the level of the metatarsus, that is, that is to say, away from the tip 5.
  • the second end 28 is located on the medial side 7, away from the heel 4. From the first end 27 to the second 28, the peripheral piece 25 successively borders the tip 5, the lateral side 6, and the heel 4.
  • the inner piece 26 is located at the height of the metatarsus, inside the peripheral piece 25.
  • the peripheral piece 25 is a band, of substantially constant width and substantially constant thickness.
  • the inner piece 26, meanwhile, is a plate of substantially constant thickness.
  • the thickness "e" of the reinforcing layer 16 is the same for the peripheral piece 25 and for the inner piece 26.
  • This thickness "e" constant for the whole of the reinforcing layer 16 is between 0.5 and 5 mm, and preferably between 0.8 and 2 mm. This thickness can of course be variable.
  • the inner piece 26 is separated from the peripheral piece 25.
  • the idea is in fact to arrange each piece 25, 26 of the reinforcing layer, that is to say here of the outsole, only where it is necessary.
  • the sole is suitable for walking, for example in the city.
  • it is useful to protect the tip, the heel, and the lateral edge 6. It will be seen later that other provisions and other uses are possible.
  • the reinforcing layer 16 is flush with the comfort layer 15. This gives the sole assembly 2 a more homogeneous structure.
  • cavities 31 to 37 are formed in the first comfort layer 15.
  • Each cavity is a substantially transverse groove which opens at the level of the reinforcing layer 16.
  • a transverse groove is oriented according to the transverse direction W of the boot 1. Since the reinforcing layer 16 is fragmented, a cavity 31 to 37 opens either facing the reinforcing layer 16, or in the open air. It is also expected that each cavity opens transversely, at the lateral side 6 or the medial side 7.
  • the cavities 31 to 37 promote bending of the sole assembly 2 during walking. It follows that the unfolding of the foot is easier.
  • the arrangement of cavities 31 to 37 is as follows.
  • the first cavity 31 extends transversely, near the heel 4, opening facing the peripheral piece 25 towards the lateral side 6 and towards the medial side 7, and opening in the open air in the middle of the sides 6, 7.
  • the second 32, third 33 and fourth 34 cavities extend transversely, between the heel 4 and the tip 5, opening facing the peripheral piece 25 of the reinforcing layer 16 towards the lateral side 6, and opening to the free air towards the medial side 7 and the middle of the sides 6, 7.
  • the fifth cavity 35 extends transversely at the level of the metatarsus, opening opposite the peripheral piece 25 towards the lateral side 6 and towards the medial side 7, opening out facing the inner piece 26, and opening into the open air between the peripheral piece and the inner piece.
  • the sixth cavity 36 is disposed near the tip 5, at the lateral side 6, opening out opposite the peripheral piece 25.
  • cavities 31 to 37 are oriented strictly in transverse direction of the shoe, and are parallel to each other. This makes walking slowly comfortable.
  • the shoe 1 comprises in fact several bridges and several portions connected to each other by a bridge.
  • the number of bridges is equal to the number of subdivisions of the reinforcing layer 16 facing a cavity 31 to 37. It is not necessary to detail all to understand the invention.
  • the bridge 23 described hereinafter is that located opposite the cavity 35, near the medial side 7.
  • the bridge 23 and the portions 21, 22 form an assembly which borders the medial side 7.
  • the first portion 21 of the reinforcing layer 16 is attached to the comfort layer 15, that is to say, held at the latter Permanently. Fixing is obtained by any means such as gluing, vulcanization, superficial melting of material, or other.
  • first portion 21 and the second portion 22 are attached to the comfort layer 15 on either side of the cavity 35.
  • the bridge 23 connects the portions 21, 22 to one another and, as a result, the cavity 35 is opposite the bridge. That is to say that the cavity 35 is partly closed by the bridge 23, the bridge being in this area not fixed to the comfort layer.
  • At least one cavity 31 to 37 is vis-à-vis a bridge.
  • each piece 25, 26 of the reinforcing layer 16 is a single piece, the first portion 21, the second portion 22 and the bridge 23 form a continuous subdivision of the layer 16.
  • the portions 21, 22 and the bridge 23 are therefore associated to optimize the ability of the sole assembly 2 to store and then restore the energy related to walking, such as Figures 4 and 5 the explicit.
  • the sole 2 is in a natural situation, without bias in a direction of bending. This is the case for example when the user is in orthostatic position, or when the shoe 1 is away from the ground during walking.
  • This is a reference configuration of the sole assembly 2, for which the bridge 23 is at rest.
  • the thicknesses of the portions 21, 22 and the bridge 23 are the same.
  • the bridge 23 accumulates energy during a bending of the sole. In this case it is a mechanical energy related to the reversible elastic deformation of the bridge 23.
  • the unwinding of the foot induces a deformation of the sole assembly 2, in a direction of increase of the convexity of the reinforcing layer 16.
  • the bridge 23 elongates elastically.
  • the thickness of the bridge is reduced, while the thickness of the first 21 and second 22 portions remains stable.
  • the cavity 35 facilitates the increase of the convexity of the reinforcing layer 16, and that it leaves the bridge 23 a great freedom of deformation.
  • Each bridge behaves like an elastic means, like a spring, which restores the energy, linked to the unfolding of the foot, when the shoe leaves the ground.
  • Each bridge provides driving impulses while walking.
  • the bridges situated at the height of the cavities 35, 36, 37, either towards the metatarsus, or metatarsophalangeal joint, and the toes provide stimulus impulses for the shoe.
  • the second embodiment is actually similar to the first one.
  • a shoe 1 with its sole 2 and its rod 3, and a heel 4, a point 5, a lateral side 6 and a medial side 7.
  • the sole 2 always comprises a first comfort layer 15 and a layer reinforcement 16.
  • the reinforcing layer 16 comprises a single peripheral piece 25 identical or similar to that of the first form.
  • the reinforcing layer 16 comprises an arch 48 in addition to the first portion 21, the second portion 22, and the bridge 23.
  • the portions 21 22, the bridge 23 and the arch 48 form a continuous subdivision of the reinforcing layer 16. That is to say that the arch 48 forms with the reinforcing layer 16, or at least with a piece 25 of the layer 16 , a single piece.
  • the arch 48 is disposed opposite the bridge 23, following the portion of the comfort layer 15 which delimits the cavity 35.
  • the arch 48 is a lining of the comfort layer at the cavity. Without limitation, it is expected that an arch is associated with each bridge. This allows a more regular contact between the comfort layer 15 and the reinforcing layer 16, without altering the effectiveness of the bridge 23.
  • the sole assembly 2 of a shoe 1 comprises a first comfort layer 15 and a reinforcing layer 16.
  • the structure of the reinforcing layer 16 comprises a single piece 55 in the form of an esse.
  • This piece 55, or esse extends from a first end 57 to a second end 58.
  • Each of the ends 57, 58 is located at an opposite side of the shoe.
  • the first end 57 is located on the lateral side 6, while the second end 58 is located on the medial side 7.
  • the opposite is possible.
  • the first end 57 is located at the height of the metatarsus, that is to say away from the point 5. By corollary the second end is located away from the heel 4.
  • the piece 55 bordering the tip 5 from the lateral side 6 to the medial side 7 extends diagonally from the medial side 7 to the lateral side 6, then borders the heel 4 from the lateral side 6 to the medial side 7.
  • the piece 55 is a band of substantially constant width, for example between 5mm and 3cm.
  • this reinforcement layer structure 16 with its piece 55, is adapted to a unwinding of the foot which begins with a support on the heel of the lateral side 6, to end with a support on the tip of the medial side 7.
  • This case figure concerns a large part of the long distance runners, for example.
  • the fourth form is presented using the figure 9 .
  • the sole 2 of the shoe 1 always comprises a first comfort layer 15 and a reinforcing layer 16.
  • cavities for example three 31, 32, 33 are oriented in the transverse direction W, while other cavities, for example three 34, 35, 36, form with the transverse direction W an angle included between 5 and 30 °. So at less a cavity is a groove which forms with the transverse direction W of the shoe an angle between 5 and 30 °.
  • the fifth form is presented using the figure 10 .
  • the sole 2 of the shoe 1 further comprises a first comfort layer 15 and a reinforcing layer 16.
  • the reinforcing layer 16 comprises a peripheral belt 75, that is to say a strip which borders the entire periphery of the sole assembly 2.
  • crosspieces 76, 77 connect to each other opposite parts of the belt 75.
  • two crosspieces 76, 77 extend transversely from the lateral side 6 to the side medial 7.
  • the belt 75 and the cross members 76, 77 form a single piece.
  • the shoe 1 provided with such a reinforcing layer 16 is versatile.
  • the soleing 2 of the boot 1 comprises not only a first comfort layer 15 and a reinforcing layer 16, but also a second comfort layer 85. It is observed that the reinforcing layer 16 is located between the first 15 and second 85 layers of comfort. This further improves the comfort of the shoe 1, preserving the ability of the sole 2 to store and then restore energy.
  • This embodiment namely only the sixth, is not part of the invention but represents an element of the state of the art that is useful for understanding.
  • the seventh embodiment is presented using the figure 12 .
  • the sole assembly 2 of the boot 1 further comprises a first comfort layer 15 and a reinforcing layer 16, which comprises an arch 48 in addition to the first portion 21, the second portion 22, and the bridge 23.
  • the arch 48 takes place in a cavity of the comfort layer 15. This cavity is designated for example by the reference 35.
  • the portions 21, 22, the bridge 23 and the arch 48 form a continuous subdivision of the reinforcing layer 16
  • the bridge 23 is attached to the first 21 and second 22 portions, as well as to the arch. By corollary, the bridge 23 is not fixed to the comfort layer 15.
  • the bridge 23 is narrow relative to the first 21 and / or the second portion.
  • the width 11 of the bridge 23 is between 3 and 30% of the width 12 of the first 21 or the second 22 portion.
  • the width 11 of the bridge is between 0.5 and 5mm, knowing that a value of 1 to 2mm has given good results.
  • the width 12 of a portion 21, 22 is between 5 and 35mm, knowing that a value of 10 to 20 mm has given good results.
  • the bridge 23 is fixed to the first portion 21, to the second portion 22, and to the arch 48. This allows it to play its role of energy accumulator while facilitating a reversible penetration of the reinforcing layer 16 in loose soil. This is why a shoe with narrow bridges makes walking on the snow or in the sand easier.
  • the second comfort layer 85 has the same dimensions as the first comfort layer 15, as regards the width and length. In other words, the second comfort layer 85 extends in length from the heel 4 to the tip 5, and in width from the lateral side 6 to the medial side 7. Thus the increase in comfort is distributed over the entire sole assembly 2.
  • a comfort layer 15, 85 comprises for example an ethyl-vinyl-acetate, commonly called EVA, or any equivalent material.
  • a reinforcing layer 16, for its part, comprises, for example, rubber, polyurethane, or any equivalent material.
  • the reinforcing layer 16 may not be flush with the first comfort layer 15.
  • Any cavity 31 to 37 of the comfort layer 15, 85 may contain a plastic foam, in whole or in part. This allows aesthetic effects, and / or a modulation of the damping by the soleing 2.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Diaphragms And Bellows (AREA)

Claims (15)

  1. Schuh (1), der eine externe Besohlung (2) und einen Schaft (3) umfasst, wobei die Besohlung (2) eine Komfortschicht (15) und eine Verstärkungsschicht (16) umfasst, wobei die erste Komfortschicht (15) zwischen der Verstärkungsschicht (16) und dem Schaft (3) angeordnet ist,
    wobei die Verstärkungsschicht (16) einen ersten Abschnitt (21) und einen zweiten Abschnitt (22) umfasst, die über eine Brücke (23) miteinander verbunden sind, wobei der erste (21) und der zweite (22) Abschnitt an der Komfortschicht (15) befestigt sind, wobei die Brücke (23) der Komfortschicht (15) gegenüberliegt und nicht an dieser (15) befestigt ist, wobei die erste Verstärkungsschicht (16) eine Laufsohle ist, wobei sich jede Brücke wie ein elastisches Mittel verhält, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) an der Komfortschicht (15) genau anliegt.
  2. Schuh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) ein Umfangsstück (25) und ein Innenstück (26) umfasst.
  3. Schuh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) ein einziges Umfangsstück (25) umfasst.
  4. Schuh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) ein einziges Stück (55) in S-Form umfasst.
  5. Schuh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) ein einziges langgestrecktes und gekrümmtes Stück (65) umfasst.
  6. Schuh (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) einen Umfangsgürtel (75) umfasst.
  7. Schuh (1) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass er mehrere Brücken (23) und mehrere durch eine Brücke miteinander verbundene Abschnitte (21, 22) umfasst.
  8. Schuh (1) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der erste Abschnitt (21), der zweite Abschnitt (22) und die Brücke (23) eine durchgehende Sektion der Verstärkungsschicht (16) bilden.
  9. Schuh (1) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Brücke (23) in Bezug auf den ersten (21) und/oder den zweiten (22) Abschnitt schmal ist.
  10. Schuh (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass Hohlräume (31 bis 37) in der ersten Komfortschicht (15) eingebracht sind, wobei mindestens ein Hohlraum (31 bis 37) einer Brücke (23) gegenüberliegt.
  11. Schuh (1) nach Anspruch 10, dadurch gekennzeichnet, dass die Verstärkungsschicht (16) zusätzlich zu dem ersten Abschnitt (21), dem zweiten Abschnitt (22) und der Brücke (23) einen Bogen (48) umfasst, wobei der Bogen (48) gegenüber der Brücke (23) angeordnet ist.
  12. Schuh (1) nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass ein Hohlraum (31 bis 37) einen Schaumstoff aus Kunststoff enthält.
  13. Schuh (1) nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass jeder Hohlraum (31 bis 37) eine im Wesentlichen quer verlaufende Rille ist, die auf der Höhe der Verstärkungsschicht (16) mündet.
  14. Schuh (1) nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass mindestens ein Hohlraum (34, 35, 36) eine Rille ist, die zu der Querrichtung (W) des Schuhs einen Winkel zwischen 5 und 30° einnimmt.
  15. Schuh (1) nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass die erste Komfortschicht (15) Ethylvinylacetat umfasst.
EP09015365.1A 2008-12-22 2009-12-11 Schuh mit verbessertem Schuhboden Active EP2198729B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0807363A FR2940019B1 (fr) 2008-12-22 2008-12-22 Chaussure a semelage ameliore

Publications (2)

Publication Number Publication Date
EP2198729A1 EP2198729A1 (de) 2010-06-23
EP2198729B1 true EP2198729B1 (de) 2019-03-20

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EP09015365.1A Active EP2198729B1 (de) 2008-12-22 2009-12-11 Schuh mit verbessertem Schuhboden

Country Status (5)

Country Link
US (1) US8578629B2 (de)
EP (1) EP2198729B1 (de)
CN (1) CN101828793B (de)
FR (1) FR2940019B1 (de)
RU (1) RU2554788C2 (de)

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Also Published As

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CN101828793B (zh) 2015-10-14
FR2940019B1 (fr) 2011-03-25
RU2554788C2 (ru) 2015-06-27
US8578629B2 (en) 2013-11-12
RU2009147517A (ru) 2011-06-27
EP2198729A1 (de) 2010-06-23
CN101828793A (zh) 2010-09-15
US20100154257A1 (en) 2010-06-24
FR2940019A1 (fr) 2010-06-25

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