EP3659456A1 - Structure de semelle pour une chaussure de sport - Google Patents

Structure de semelle pour une chaussure de sport Download PDF

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Publication number
EP3659456A1
EP3659456A1 EP18208649.6A EP18208649A EP3659456A1 EP 3659456 A1 EP3659456 A1 EP 3659456A1 EP 18208649 A EP18208649 A EP 18208649A EP 3659456 A1 EP3659456 A1 EP 3659456A1
Authority
EP
European Patent Office
Prior art keywords
standing
sole structure
projections
area
sole
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.)
Withdrawn
Application number
EP18208649.6A
Other languages
German (de)
English (en)
Inventor
Axel PÖLZLEITNER
Hannes Kogler
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.)
Fischer Sports GmbH
Original Assignee
Fischer Sports 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 Fischer Sports GmbH filed Critical Fischer Sports GmbH
Priority to EP18208649.6A priority Critical patent/EP3659456A1/fr
Priority to PCT/EP2019/082546 priority patent/WO2020109293A1/fr
Priority to EP19806002.2A priority patent/EP3886631B1/fr
Publication of EP3659456A1 publication Critical patent/EP3659456A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0415—Accessories
    • A43B5/0425—Devices for carrying ski-boots or similar boots
    • 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
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0411—Ski or like boots for cross-country
    • A43B5/0413—Adaptations for soles or accessories associated with soles for cross-country bindings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/047—Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0492—Telemark boots
    • A43B5/0494—Adaptations for soles or accessories associated with soles for telemark bindings

Definitions

  • the invention relates to a sole structure for a sports shoe, in particular a cross-country or telemark shoe, the sole structure essentially extending between a connection surface for connection to the sports shoe and a standing area to the stand on a surface, part of the standing area having a contact area for coming into contact forms a ski, in particular a cross-country or telemark ski, or a ski binding, in particular a cross-country or telemark ski binding, comprising a structural component made of a first material, a section of the surface of the structural component forming the connecting surface, a covering made of a second material, wherein the covering at least partially covers the structural component towards the base, a connecting element to interact with a holding device, in particular the ski binding, base projections towards the base, the base projections of at least one transverse groove from the base in Ri are interrupted and the lower surfaces of the protrusions are substantially in the standing surface.
  • the invention further relates to a sports shoe, in particular a cross-country or telemark shoe.
  • the prior art discloses a number of such sole structures. These should be designed in such a way that, for example, cross-country shoes in the toe area can be fixed to a cross-country ski binding, so that lateral stability is achieved for ski guidance and the heel can be raised at the same time.
  • Cross-country soles are generally designed flexibly in the front area so that the foot can be rolled off.
  • the soles should be designed in such a way that they have a certain stability laterally and torsionally, so that control forces can be better transmitted to the ski.
  • sole structures should also be lightweight and economical to manufacture. Variants of such sole structures are, for example, from EP 1559337 B1 and the EP 3195748 A1 suggested.
  • sole structures for a sports shoe in particular a cross-country or telemark shoe, not only fulfill the purpose, for example, as a connection means for a ski binding and thus for Skiing, but should also be suitable for walking outside of use in skiing, e.g. off-piste and without use on a ski.
  • Advantages include a wide footprint, good rolling properties, sufficient traction and slip resistance and good wear resistance on a wide variety of surfaces such as snow, ice, asphalt, gravel, rock, tiles, etc.
  • the EP 1 559 337 B1 discloses an outsole for a sports shoe consisting of a rear portion including a heel and a front portion.
  • the outsole is made entirely of relatively hard material and provided on the running side with a tread made of relatively soft material. Longitudinal and transverse grooves are formed on the running side, the base of the longitudinal or transverse grooves being defined by the front and possibly also the rear section of the outsole made of relatively hard material.
  • the DE 20 2011 110 458 U1 a shoe with an outer sole structure comprising a core made of a first material, the core comprising a plate which delimits a connection surface and protrusions which project from the plate towards a free surface.
  • the outer sole structure comprises a covering of a second material which partially covers the plate and the protrusions.
  • the outer sole structure has a circumferential lip which runs along a lateral side, a rear end and a medial side, the lip being a subsection of the covering.
  • the invention has for its object to provide a sole structure for a sports shoe and a sports shoe that avoids or reduces at least one of the disadvantages mentioned above and / or has as many of the advantageous properties listed as possible.
  • a sole construction or sports shoe is to be proposed that has good skiing properties when used on a ski and with low weight has improved walking properties on normal surfaces, ie without skis.
  • Removing the sole structure is a means of reducing weight.
  • Cores are usually made from the connecting surface towards the stand surface.
  • Stand projections can have cores, ie they have open cavities to the connecting surface.
  • the connecting surface can thus be interrupted by these cavities, on the other hand the connecting surface can also cover one, several or all of these cavities.
  • the sole construction has (also or only) cores of the standing projections in the form of depressions or coring projections from the standing surface in the direction of the connecting surface in a recess area of the sole construction.
  • the sole structure not only has at least one transverse groove on the base side as cores, but also the stand projections themselves have been removed.
  • connection surface side areas can advantageously also be removed from the core that cannot be reached on the connection surface side due to the undercut present, or at least cannot simply be removed from the production process.
  • the necessary connection surface in the edge region of the sole structure can advantageously be simply maintained on the connection surface side.
  • the open cavities of the depressions are particularly limited towards the connecting surface.
  • the lateral delimitation of the depressions, ie their side walls, can be formed by the lateral delimitation, ie the side walls or a part of the side walls, of the standing projections.
  • the depressions or the open cavities formed by them break through in particular lower surfaces the ledges.
  • the section of the surface of the structural component that forms the connecting surface can be essentially flat, in particular except for an edge region.
  • the covering preferably also covers the structural component towards the lateral edges.
  • the surface of the covering can e.g. matte finish led.
  • the covering can be designed, for example, with roughness depths with a mean roughness value of 20 to 200 ⁇ , in particular 60 to 120 ⁇ .
  • a geometric structure can also be introduced in a targeted manner, e.g. a pattern of intersecting grooves with a groove depth of between 0.5 and 1 mm, or similar patterns, as are known from applications of street shoes.
  • the longitudinal direction of the sole structure runs from a heel section to a toe section; the transverse direction transverse to the longitudinal direction.
  • the at least one transverse groove runs essentially in the transverse direction of the sole structure, but it can be curved.
  • a transverse groove can have angles between -30 ° and 30 °, preferably between -15 ° and 15 °, to the longitudinal direction over its course.
  • the at least one transverse groove can be a flexible notch or serve as a flexible notch.
  • the at least one transverse groove can serve to increase flexibility, i.e. the flexibility to improve the sole structure in the longitudinal direction.
  • a plurality of transverse grooves are preferably provided, which interrupt the standing projections from the standing surface in the direction of the connecting surface, wherein a transverse groove can be provided, for example, every 1 to 4 cm.
  • the depressions in cross section transverse to the stand area preferably have an area which corresponds to more than 50%, preferably more than 50%, of the area of the respective stand protrusion.
  • the side walls formed from the outer surfaces of the standing projections to the depressions are preferably thinner than 5 mm, particularly preferably thinner than 3 mm.
  • a cavity open to the connecting surface in at least one Stand protrusion to the connecting surface formed a cavity open to the connecting surface.
  • An open cavity is preferably formed in all of the projecting projections.
  • the cavity can essentially extend from the standing surface (down to the thickness of the covering and the structural component) to the connecting surface.
  • the open cavities to the connecting surface can have a smaller downward extent.
  • an upper boundary of the (or some of) the open cavities to the standing surface of the depressions can be formed by a lower boundary of the open cavities towards the connecting surface of the (corresponding) standing projections.
  • An upper limit of the (or some of) the open cavities of the depressions can also lie in the connecting surface.
  • the coring area comprises that area of the standing area which is not part of the contact area or is not included in the contact area.
  • the contact surface is, in particular, a central section in the transverse direction of the sole structure.
  • the contact area has a width in the transverse direction of the sole structure of preferably between 2 and 10 cm, particularly preferably between 4 and 8 cm, even more preferably between 4.5 and 5.5 cm.
  • the standing projections are or are interrupted by at least one, preferably two, longitudinal grooves (essentially running in the longitudinal direction of the sole structure) from the standing surface in the direction of the connecting surface.
  • the slip resistance of the shoe in the transverse direction can thus be improved.
  • the longitudinal grooves are preferably in the region of the contact surface.
  • the transverse grooves have and / or the longitudinal grooves (and / or the open cavities of the depressions) have a cross section which tapers in the direction of the connecting surface.
  • production can be simplified because the sole structure can be demolded directly.
  • less dirt gets caught in the recesses on the underside. When the sole structure is bent, the recesses also expand, which further promotes the ejection of dirt.
  • the first material has a greater hardness than the second material, in particular with respect to the Shore D hardness and the Shore A hardness, the first material in particular being a hardness to be determined according to Shore D and the second Material has a hardness to be determined according to Shore-A.
  • the first material is advantageously provided to ensure sufficient lateral strength and torsional rigidity and to embed the connecting element.
  • the first material can have, for example, a Shore D hardness of between 40 Shore D and 80 Shore D, preferably between 50 Shore D and 60 Shore D, even more preferably between 53 Shore D and 56 Shore D, exhibit.
  • the second material can have, for example, a Shore A hardness of between 50 Shore-A and 100 Shore-A, preferably between 65 Shore-A and 85 Shore-A, even more preferably between 70 Shore-A and 80 Shore-A, exhibit.
  • the structural component made of the first material thus ensures the necessary rigidity.
  • the structural component preferably has the connecting element.
  • the covering made of the second, softer material preferably extends over the entire footprint or the entire underside of the sole structure and improves the stability.
  • the connecting element preferably has a transverse axis connected to the structural component.
  • Such transverse axes have proven themselves for connection to the ski binding and enable good power transmission. Furthermore, the transmission of force is improved by the connection of the transverse axis to the structural component, in particular if the first material is harder.
  • the side surfaces which limit the sole structure in both transverse directions have in each case on the sole construction side, an angle to the standing surface which is less than 90 °, preferably between 70 and 88 °, particularly preferably between 75 and 85 °.
  • This can prevent a braking effect of the side surfaces, for example when the ski is tilted and thus the sole structure.
  • the side surfaces should be essentially smooth so that they do not have a braking effect when they come into contact with the ground or snow when skiing or running (eg when the ski is tilted).
  • the side surfaces can be interrupted by the at least one transverse groove; however, they can also limit the at least one transverse groove and be continuous.
  • Only the side surface that limits the sole structure on the inside instep side or the side surface that limits the sole structure on the outside instep side can have an angle to the standing surface on the sole construction side that is less than 90 °, preferably between 70 and 88 °, particularly preferably between 75 and 85 ° , is.
  • At least one, preferably both, edge (s) formed by the standing surface and the side surfaces is rounded off, preferably rounding an arc of a circle with a radius of between 0.3 and 2.5 mm, preferably between 0.5 and 1.5 mm.
  • edges on the stand surface in particular (essentially transverse edges), the protrusions and / or depressions (and / or the transverse grooves) have radii of less than 0.5 mm, preferably less than 0.3 mm, particularly preferably less 0.2 mm.
  • edges on the stand surface in particular (essentially transverse edges), the protrusions and / or depressions (and / or the transverse grooves) have radii of less than 0.5 mm, preferably less than 0.3 mm, particularly preferably less 0.2 mm.
  • edges of the protrusions and / or the depressions (and / or the transverse grooves and / or the longitudinal grooves) facing away from the base have radii of more than 0.3 mm, preferably more than 0.5 mm, even more preferably more than 0.7 mm.
  • the at least one transverse groove has a cross section which widens inwards from the side surfaces of the sole structure, which delimit the sole structure in both transverse directions. Braking edges on the side surfaces of the sole structure can thus be avoided.
  • the transverse grooves can thus be tapered towards the side surfaces, i.e. each have a cross section decreasing approximately from the center of the sole structure to the side surfaces. In this way, edges on the side surfaces can be reduced, with the at least one transverse groove also acting in the edge region.
  • the covering essentially completely covers the structural component towards the base and / or the covering has a thickness of 1 to 3 mm, preferably 1.5 to 2.5 mm. In this way, the weight can be further reduced or the traction with the surface can be improved. The covering can also prevent the structural components from wearing out.
  • a lower surface adjoining a side surface has at least one of the standing projections inclined upward and encloses an angle to the standing surface which is greater than 0 °, preferably between 0.3 ° and 10 °, particularly preferably between 0.5 ° and 5 °, this preferably starting from one, preferably two, substantially longitudinally running edge (s) of the standing projections.
  • s substantially longitudinally running edge
  • the sole structure is bonded to the rest of the sports shoe on the connecting surface. This enables a particularly stable connection to the sole structure.
  • FIG. 1 to 8 show the same preferred embodiment of a sole structure 1 from different perspectives. It shows Fig. 1 the sole structure 1 from obliquely above, Fig. 2 from above, Fig. 3 in a cross-section in the transverse direction, Fig. 4 in a section along the plane BB Fig. 2 , Fig. 4 in a section along the plane AA Fig. 2 , Fig. 6 from underneath, Fig. 7 from the front and Fig. 8 from diagonally below.
  • the sole structure 1 is intended for a sports shoe, in particular a cross-country or telemark shoe. It extends essentially between a connecting surface 2 for connection to the sports shoe and a standing surface 3 for standing on a surface. Part of the stand area 3 forms a contact area 4 for coming into contact on a ski, in particular a cross-country or telemark ski, or a ski binding, in particular a cross-country or telemark ski binding.
  • the sole structure 1 has a structural component 5 made of a first material, a section of the surface of the structural component 5 forming the connecting surface 2.
  • the sole structure 1 has a covering 6 made of a second material, the covering 6 covering the structural component 5 towards the base 3 or towards the base and towards the lateral edges.
  • a connecting element 7 in the form of a transverse axis 8 connected to the structural component 5 is provided in order to cooperate with a holding device, in particular the ski binding.
  • the sole structure 1 has standing projections 9 toward the standing surface 3, which have partially open cavities 10 in the direction of the connecting surface 2. It can be seen that lower surfaces of the open cavities 10 of the standing projections 9 in the direction of the connecting surface 2 delimit upper surfaces of the open cavities of the depressions or coring projections 12 in the direction of the standing surface 3 and vice versa, the height of the position of these surfaces each differing.
  • Bottom surfaces of the standing projections 9 lie essentially in the standing area 3, but in a core area 11 there are depressions 12 in the standing projections 9 from the standing area 3 in the direction of the connecting area 2, the depressions 12 forming cavities 13 which are open towards the standing area 3.
  • the core area 11 comprises in particular a part of the standing area 3 which is not part of the contact area 4. It shows Fig. 4 a section in the coring area 11, Fig. 5 a section in the area of the contact surface 4, where the standing projections 9 accordingly have no depressions 12.
  • the standing projections 9 are interrupted by transverse grooves 14 from the standing surface 3 in the direction of the connecting surface 2. Furthermore, the standing projections 9 are interrupted by two longitudinal grooves 15 from the standing surface 3 in the direction of the connecting surface 2.
  • the transverse grooves 14 and the longitudinal grooves 15 have a cross section which tapers in the direction of the connecting surface 2.
  • the first material of the structural component 5 is harder than the second material of the covering.
  • the structural component 5 can give the sole structure 1 the necessary rigidity during the covering 6 ensures good slip resistance when walking on a surface.
  • Both edges 17 formed by the standing surface 3 and the side surfaces 16 are rounded, the rounding corresponding to an arc of a circle with a radius of essentially 1 mm.
  • the edges 18 of the base projections 9 and the depressions 12 on the base surface are relatively pointed and have radii of substantially 0.2 mm in order to enable good traction.
  • edges 19 of the standing projections 9 and the depressions 12 facing away from the standing surface 3 have radii of approximately 0.6 mm.
  • the transverse grooves 14 have a cross-section which widens or enlarges from the side surfaces 16 inwards, that is to say in each case towards the center of the sole structure 1.
  • the covering 6 essentially completely covers the structural component 5 towards the base 3 and has a thickness of approximately 2 mm.
  • lower surfaces of the standing projections 9 have an edge 20, starting from this edge 20 in the direction of the side surfaces 16, the lower surfaces of the standing projections 9 are inclined upward at an angle of approximately 10 °.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP18208649.6A 2018-11-27 2018-11-27 Structure de semelle pour une chaussure de sport Withdrawn EP3659456A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18208649.6A EP3659456A1 (fr) 2018-11-27 2018-11-27 Structure de semelle pour une chaussure de sport
PCT/EP2019/082546 WO2020109293A1 (fr) 2018-11-27 2019-11-26 Structure de semelle pour chaussure de sport
EP19806002.2A EP3886631B1 (fr) 2018-11-27 2019-11-26 Structure de semelle pour une chaussure de sport

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18208649.6A EP3659456A1 (fr) 2018-11-27 2018-11-27 Structure de semelle pour une chaussure de sport

Publications (1)

Publication Number Publication Date
EP3659456A1 true EP3659456A1 (fr) 2020-06-03

Family

ID=64500295

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18208649.6A Withdrawn EP3659456A1 (fr) 2018-11-27 2018-11-27 Structure de semelle pour une chaussure de sport
EP19806002.2A Active EP3886631B1 (fr) 2018-11-27 2019-11-26 Structure de semelle pour une chaussure de sport

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19806002.2A Active EP3886631B1 (fr) 2018-11-27 2019-11-26 Structure de semelle pour une chaussure de sport

Country Status (2)

Country Link
EP (2) EP3659456A1 (fr)
WO (1) WO2020109293A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1559337B1 (fr) 2004-01-28 2011-08-24 Rottefella AS Semelle d'usure pour chaussure de sport, en particulier pour chaussure de ski de fond ou de telemark
US20120151801A1 (en) * 2010-12-15 2012-06-21 Salomon S.A.S. Sports footwear
WO2013058658A1 (fr) * 2011-10-17 2013-04-25 Rottefella As Semelle extérieure pour chaussure de ski
US20130340295A1 (en) * 2012-06-20 2013-12-26 Nike, Inc. Sole Structure for Article of Footwear
DE202011110458U1 (de) 2010-01-25 2014-02-05 Salomon S.A.S. Schuh mit verbessertem Sohlenaufbau
EP2732715A1 (fr) * 2012-10-26 2014-05-21 K-2 Corporation Base pour une chaussure de ski et chaussure de ski l'incorporant
EP2962587A1 (fr) * 2014-07-03 2016-01-06 Salomon S.A.S. Chaussure de sport
EP3195748A1 (fr) 2016-01-22 2017-07-26 Rossignol Lange S.R.L. Semelle de chaussure de ski de fond

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1559337B1 (fr) 2004-01-28 2011-08-24 Rottefella AS Semelle d'usure pour chaussure de sport, en particulier pour chaussure de ski de fond ou de telemark
DE202011110458U1 (de) 2010-01-25 2014-02-05 Salomon S.A.S. Schuh mit verbessertem Sohlenaufbau
US20120151801A1 (en) * 2010-12-15 2012-06-21 Salomon S.A.S. Sports footwear
WO2013058658A1 (fr) * 2011-10-17 2013-04-25 Rottefella As Semelle extérieure pour chaussure de ski
US20130340295A1 (en) * 2012-06-20 2013-12-26 Nike, Inc. Sole Structure for Article of Footwear
EP2732715A1 (fr) * 2012-10-26 2014-05-21 K-2 Corporation Base pour une chaussure de ski et chaussure de ski l'incorporant
EP2962587A1 (fr) * 2014-07-03 2016-01-06 Salomon S.A.S. Chaussure de sport
EP3195748A1 (fr) 2016-01-22 2017-07-26 Rossignol Lange S.R.L. Semelle de chaussure de ski de fond

Also Published As

Publication number Publication date
EP3886631B1 (fr) 2022-06-15
EP3886631A1 (fr) 2021-10-06
WO2020109293A1 (fr) 2020-06-04

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