EP3897268A1 - Chaussure, notamment chaussure de sport, et son procédé de fabrication - Google Patents

Chaussure, notamment chaussure de sport, et son procédé de fabrication

Info

Publication number
EP3897268A1
EP3897268A1 EP18829337.7A EP18829337A EP3897268A1 EP 3897268 A1 EP3897268 A1 EP 3897268A1 EP 18829337 A EP18829337 A EP 18829337A EP 3897268 A1 EP3897268 A1 EP 3897268A1
Authority
EP
European Patent Office
Prior art keywords
shoe
sole
shoe according
closure body
bulk material
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.)
Granted
Application number
EP18829337.7A
Other languages
German (de)
English (en)
Other versions
EP3897268B1 (fr
Inventor
Matthias Hartmann
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.)
Puma SE
Original Assignee
Puma SE
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 Puma SE filed Critical Puma SE
Publication of EP3897268A1 publication Critical patent/EP3897268A1/fr
Application granted granted Critical
Publication of EP3897268B1 publication Critical patent/EP3897268B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A43B1/00—Footwear characterised by the material
    • A43B1/14—Footwear characterised by the material made of plastics
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/02—Footwear characterised by the material made of fibres or fabrics made therefrom
    • A43B1/04—Footwear characterised by the material made of fibres or fabrics made therefrom braided, knotted, knitted or crocheted
    • 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
    • A43B13/04—Plastics, rubber or vulcanised fibre
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/42—Filling materials located between the insole and outer sole; Stiffening materials

Definitions

  • Shoe in particular sports shoe
  • the invention relates to a shoe, in particular a sports shoe, with a shoe upper and a sole part connected to the shoe upper, the sole part having a sole body with a bottom area and a side wall area, the bottom area and the wall area forming an open-topped room, the Receiving space is lulled with a bulk material, wherein the bulk material consists at least partially, preferably completely, of a thermoplastic elastomer (TPE) and wherein the lulled receiving space is closed with a closure body.
  • TPE thermoplastic elastomer
  • the invention further relates to a method for producing such a shoe.
  • a shoe of the type mentioned is known from WO 2017/097315 Al.
  • a sole element which has a cavity, foamed plastic balls are arranged and are held by a closure element in the cavity.
  • the sole thus produced is connected to the upper of the shoe.
  • the closure element is formed by a film which enables the wearer's foot to feel loose plastic balls located in the cavity.
  • the invention is therefore based on the object of developing a shoe of the type mentioned at the outset in such a way that a further improved wearing comfort can be achieved. At the same time, an economical process for manufacturing the shoe is to be provided.
  • the solution to this problem by the invention is characterized in that the closure body is a knitted fabric which forms a lattice structure, the lattice structure having a mesh size of at least 0.5 mm.
  • the mesh size of the lattice structure of the closure body is preferably largely constant over the extent of the closure body.
  • the mesh size of the lattice structure is preferably at most 3.0 mm.
  • the shoe can be worn particularly comfortably if the mesh size of the grid structure is between 0.75 mm and 2.0 mm.
  • the closure body is preferably designed as a flat fabric structure.
  • a fabric structure in the form of a Leno fabric has proven itself.
  • a plurality of weft threads are provided which extend in a longitudinal direction; a large number of warp threads extend perpendicularly thereto.
  • the warp threads are wrapped around the weft threads in order to maintain a high strength of the fabric.
  • the fabric structure is preferably formed by a fiber-reinforced thread.
  • An air and moisture permeable membrane can be arranged above and / or below the closure body.
  • orientation “below” and “above” refers to a shoe when the sole is on the floor.
  • the closure body can be glued and / or sewn directly or indirectly to the sole body.
  • a reinforcement plate can be arranged in the bottom region of the sole body. The reinforcement plate forms a cover layer that reinforces the sole structure and prevents sink marks.
  • the upper part of the shoe can be glued and / or sewn to the sole part.
  • the upper of the shoe preferably has an upper section which is sewn to the bottom with a strobe sole.
  • a very preferred embodiment of the invention provides that the closure body is provided with a reinforcing layer in its edge region. This reinforcement layer can be formed by an adhesive film. It preferably runs around the entire circumferential area of the closure body (in particular as an edge hem with a width between 0.5 cm and 2.5 cm).
  • Spherical or ellipsoidal bodies are preferably used as bulk material.
  • the bodies of the bulk material can also be designed as hollow bodies.
  • the dimensions of the body of the bulk material in the three spatial directions are preferably between 1 mm and 13 mm, particularly preferably between 3 mm and 6 mm. It is preferably provided that the mesh size of the lattice structure is smaller than the dimensions of the body of the bulk material.
  • the bodies of the bulk material preferably consist of foamed thermoplastic elastomer.
  • thermoplastic polyurethane (TPU), thermoplastic polyamide (TPA) and / or thermoplastic elastomer based on olefins (TPO) are intended, the materials mentioned being in particular expanded (foamed).
  • a circumferential frame is arranged in the upper end region of the wall region of the sole body, which frame is connected, in particular glued, to the sole body, the frame being a bearing surface for the closure body and especially has its edge area.
  • the proposed method for producing such a shoe comprises the steps: a) producing a shoe upper; b) production of a sole part, the production of the sole part comprising the steps: bl) provision of a sole body with a base region and a lateral wall region, the base region and the wall region forming a receiving space open at the top; b2) filling the receiving space with a bulk material, the bulk material at least partially, preferably completely, consisting of a thermoplastic elastomer (TPE); b3) closing the filled receiving space with a closure body, a knitted fabric which forms a lattice structure being used as the closure body, the lattice structure having a mesh size of at least 0.5 mm; c) fastening the upper part of the shoe to the sole part, so that the lower region of the upper part of the shoe comes to rest on the closure body.
  • TPE thermoplastic elastomer
  • the lattice structure of the closure body used enables a stable manufacturing process to be achieved which reliably retains the particles of the bulk material in the cavity of the sole element.
  • the upper part of the shoe upper is produced in a classic manner, the lower region, which runs below the sole of the foot of the shoe wearer, being, for example, a strobe sole (as explained above), which, for example, matches the upper part of the shoe upper is sewn. This can be done in particular in combination with a knitted upper area of the shoe upper.
  • the sole part is preferably produced as an injection molded part or as a thermoformed part.
  • At least one web-like structure is formed on the bottom area, which Into the recording room.
  • This web-like structure forms wall areas within the receiving space, which counteracts the free movement of the loosely filled bulk goods and holds them in certain areas of the receiving space. This can have a positive influence on the running feeling when wearing the shoe.
  • the above-mentioned web-like structure allows the sole to optimally support the foot in certain applications when used as intended under load. This can be relevant from the point of view, since the (plastic) bodies located inside the receiving space of the sole part do not offer a great support function for the foot due to the fact that they are not connected to one another but are arranged loosely.
  • the plastic bodies preferably have a hardness between 75 and 90 Shore A, preferably between 80 and 85 Shore A. They preferably have a bulk density between 100 and 300 kg / m.
  • E-TPU expanded thermoplastic polyurethane
  • This material is known per se and is used in shoes. It is available, for example, under the name “PearlFoam” from Huntsman International LLC or under the name “Infmergy” from BASF SE. For this material, reference is expressly made to WO 2005/066250 A1, where details on this material, that is to say on expandable thermoplastic polyurethanes and their production, can be found.
  • thermoplastic elastomer based on urethane With regard to the prior knowledge of thermoplastic elastomer based on urethane, reference is also expressly made to WO 2010/010010 A1, in which an expandable, blowing agent-containing thermoplastic polymer blend is disclosed which contains thermoplastic polyurethane and styrene polymer.
  • the polymer blend can contain at least one further thermoplastic polymer.
  • a further thermoplastic polymer is in particular polyamide (PA), polymethyl methacrylate (PMMA), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), cellulose or polyoxymethylene (POM).
  • the sole part preferably consists of thermoplastic polyurethane (TPU), thermoplastic elastomer (TPE), polyamide (PA) and / or rubber material.
  • TPU thermoplastic polyurethane
  • TPE thermoplastic elastomer
  • PA polyamide
  • the plastic bodies are placed in the receiving space of the sole part without being connected to one another. Accordingly, the individual balls or elipsoids are not connected to one another by any measures, but are loosely placed in the receiving space of the sole part.
  • the bulk material is preferably placed in the full pack and preferably under slight pressure in the receiving space of the sole part.
  • the sole part mentioned can also be provided with an outsole on the underside. It has been shown that when a shoe, in particular a sports shoe, is designed in the manner specified above with regard to the compression behavior of the shoe and with regard to its resetting property (after the compressive force has been removed by the wearer's foot), the shoe has very advantageous and comfortable wearing properties can be. This applies in particular under the aspect of strong temperature fluctuations.
  • thermoplastic elastomers in contrast to conventional polymers are used as loose bulk material in the cavity of the sole, there are favorable conditions due to the friction properties between the individual particles, since these do not slide along each other in an undesirable manner, but a certain strength despite the loose arrangement offer when the wearer's foot deforms the bulk material.
  • an optimal compromise between a certain massage effect on the one hand and a sufficient hold of the foot while using the shoe on the other hand is achieved.
  • Fig. 1 in an exploded view of a sports shoe after a first
  • Embodiment of the invention and Fig. 2 in a section perpendicular to the longitudinal direction of the shoe
  • Sports shoe according to a second embodiment of the invention.
  • FIG. 1 A shoe 1 can be seen in FIG. 1, which has a shoe upper 2 and a sole part 3 which are connected to one another (which is shown in FIG. 1 cannot be recognized due to the exploded view).
  • the terms “top” and “bottom” refer to the intended use of the shoe or when it is on the floor.
  • the direction of the vertical V and the longitudinal direction L of the shoe 1 are shown.
  • the sole part 3 has a sole body 4 which has a base region 5 and a wall region 6 with a circumferential edge, so that the base region and the wall region delimit a discharge space 7 which is designed and provided for receiving bulk material 8.
  • the sole body 4 can be produced, for example, by an injection molding process or by a thermoforming process.
  • the receiving space 7 is filled with bulk material 8, which is only indicated in FIG. 1.
  • the bulk material 8 is introduced into the collection space 7 in complete packing and, if appropriate, under slight pressure. Then the opening space 7 is closed by attaching a closure body 9 so that the bulk material 8 is fixed in the opening space 7.
  • the closure body 9 is a knitted fabric which forms a lattice structure, the lattice structure having a mesh size wi, w 2 (see FIG. 1) of at least 0.5 mm.
  • the spacing of the individual threads of the lattice structure in the longitudinal direction L is designated by the mesh width wi and the spacing perpendicular to this is specified by the mesh width w.
  • the mesh sizes wi and w 2 can be the same, but must be Not. It is essential that the stated value of at least 0.5 mm is observed, which is essential for an improved wearing comfort.
  • the shoe upper 2 is then placed on the sole part 3 prepared in this way and the sole part 3 is connected to the shoe upper 2. This can be done by sewing and / or gluing.
  • the lower region of the shoe upper 2 now lies on the bulk material 8 via the closure body 9, so that a comfortable running feeling arises when the shoe is used.
  • any material is generally used as the bulk material 8 (for example also sand), while preference is given to balls or ellipsoids made of foamed plastic material; Details on this are noted above.
  • FIG. 2 shows a similar embodiment of the invention.
  • the reinforcing plate 10 is placed in the bottom area 5 of the sole body 4 in order to give the sole an improved rigidity.
  • the reinforcing plate 10 can also be one with resilient properties in order to support the running movement.
  • this consists of a material (fabric or knitted material) which is connected to a bottom sole 12; a seam is schematically indicated in FIG. 2 between the section 11 and the strobe sole 12.
  • a special configuration of the closure body 9 (lattice structure) is also particularly worth mentioning: in a peripheral edge region, this has a reinforcement layer 13, which is realized by an applied film. The film can be glued on or connected to the closure body 9 by a thermal process.
  • a frame 16 is fastened, which is designed as an oval ring-shaped structure and corresponds to the shape of the upper edge of the wall area 6.
  • the frame 16 is connected to the upper end of the wall area 6, for example glued.
  • the frame 16 has a support surface 17 on which the closure body 9 rests with its edge.
  • the closure body 9 is glued to the frame 16 or fastened in some other way.
  • the sole part 3 also comprises an outsole 14; an insole 15 is inserted into the interior of the shoe upper 2.
  • the spring and damping behavior of the shoe and in particular the sole can be influenced.

Landscapes

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

Abstract

L'invention concerne une chaussure (1), notamment une chaussure de sport, comprenant une tige de chaussure (2) et une partie de semelle (3) reliée à la tige de chaussure (2). La partie de semelle (3) possède un corps de semelle (4) avec une zone de sol (5) et une zone de paroi (6) latérale, la zone de sol (5) et la zone de paroi (6) formant un espace d'accueil (7) ouvert vers le haut. L'espace d'accueil (7) est rempli d'un matériau en vrac (8), lequel se compose au moins partiellement, de préférence entièrement, d'un élastomère thermoplastique (TPE), et l'espace d'accueil (7) rempli est fermé par un corps de fermeture (9). L'invention a pour objet de pouvoir fabriquer la chaussure de manière économique et de parvenir ici à une sensation de port particulièrement confortable, et se caractérise à cet effet en ce que le corps de fermeture (9) est un tissu tricoté qui forme une structure en treillis, laquelle possède une taille de maille (w1, w2) d'au moins 0,5 mm. L'invention concerne en outre un procédé de fabrication d'une telle chaussure.
EP18829337.7A 2018-12-18 2018-12-18 Chaussure, notamment chaussure de sport, et son procédé de fabrication Active EP3897268B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/085712 WO2020125963A1 (fr) 2018-12-18 2018-12-18 Chaussure, notamment chaussure de sport, et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3897268A1 true EP3897268A1 (fr) 2021-10-27
EP3897268B1 EP3897268B1 (fr) 2023-02-08

Family

ID=64902063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18829337.7A Active EP3897268B1 (fr) 2018-12-18 2018-12-18 Chaussure, notamment chaussure de sport, et son procédé de fabrication

Country Status (6)

Country Link
US (1) US20220053871A1 (fr)
EP (1) EP3897268B1 (fr)
JP (1) JP7157880B2 (fr)
CN (1) CN113194777B (fr)
ES (1) ES2941984T3 (fr)
WO (1) WO2020125963A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4032426A1 (fr) 2015-09-24 2022-07-27 Nike Innovate C.V. Mousse particulaire comprenant un autre rembourrage
EP3595478B1 (fr) 2017-03-16 2022-01-12 Nike Innovate C.V. Élément amortissant pour article chaussant
CN114206150A (zh) 2019-07-25 2022-03-18 耐克创新有限合伙公司 鞋类物品
US11744321B2 (en) 2019-07-25 2023-09-05 Nike, Inc. Cushioning member for article of footwear and method of making
WO2021016166A1 (fr) 2019-07-25 2021-01-28 Nike Innovate C.V. Article chaussant
IT202000021811A1 (it) * 2020-09-16 2022-03-16 Pu Ro S R L Metodo di fabbricazione di un semilavorato, in particolare una suola per calzature e manufatto ottenuto.

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US6601321B1 (en) * 2000-05-04 2003-08-05 Michael Kendall Devices for suspending a foot within a shoe, and shoes incorporating such devices
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CN102366199A (zh) * 2011-10-17 2012-03-07 李俊 具有减震机构的鞋底及鞋子
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Also Published As

Publication number Publication date
EP3897268B1 (fr) 2023-02-08
ES2941984T3 (es) 2023-05-29
US20220053871A1 (en) 2022-02-24
JP2022515600A (ja) 2022-02-21
CN113194777B (zh) 2023-06-16
WO2020125963A1 (fr) 2020-06-25
CN113194777A (zh) 2021-07-30
JP7157880B2 (ja) 2022-10-20

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