EP3821743A1 - Barefoot shoe, shoe sole for a barefoot shoe and method of manufacture - Google Patents
Barefoot shoe, shoe sole for a barefoot shoe and method of manufacture Download PDFInfo
- Publication number
- EP3821743A1 EP3821743A1 EP20207372.2A EP20207372A EP3821743A1 EP 3821743 A1 EP3821743 A1 EP 3821743A1 EP 20207372 A EP20207372 A EP 20207372A EP 3821743 A1 EP3821743 A1 EP 3821743A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shoe
- barefoot
- approximately
- range
- shoe 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- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/08—Bathing shoes ; Aquatic sports shoes
-
- 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
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
- A43B13/223—Profiled soles
-
- 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
Definitions
- the invention relates to a barefoot shoe, a shoe sole for a barefoot shoe and a method for producing a barefoot shoe.
- Barefoot shoes are shoes that are designed to imitate walking barefoot. This is achieved in particular in that barefoot shoes have a thin and flexible shoe sole without a footbed. Due to the thin shoe sole, the structure of the ground becomes more noticeable when running than with the usual thick shoe soles. Nevertheless, the barefoot shoe provides protection against sharp objects, dirt and moisture for the feet by means of the shoe sole.
- the document EP 2 753 205 B1 relates to a barefoot shoe with a base and shaft and locking devices for locking the barefoot shoe on the foot of a barefoot shoe wearer.
- the floor should at least partially consist of open ring structures.
- barefoot shoes have a shoe sole and an upper part attached thereto, the shoe sole consisting of a plastic material.
- the object of the invention is to specify a barefoot shoe and a shoe sole for a barefoot shoe and a method for producing a barefoot shoe, in which the barefoot shoe has improved usage properties for the wearer.
- a barefoot shoe and a shoe sole for a barefoot shoe according to independent claims 1 and 10 are created for the solution. Furthermore, a method for making a Barefoot shoes according to independent claim 11 created. Refinements are the subject of the dependent claims.
- a barefoot shoe is created with an upper part and a shoe sole which is connected to the upper part and consists of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from approximately 25 to approximately 55.
- a shoe sole for a barefoot shoe with a shoe sole body made of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from approximately 25 to approximately 55 is created.
- a method for producing a barefoot shoe in which the following is provided: providing an upper part; Manufacture of a shoe sole (2) from a foamed thermoplastic polyurethane material with a Shore hardness A in the range from about 25 to about 55 and connecting the shoe sole to the upper.
- a shoe sole which on the one hand meets the requirements of a barefoot shoe, namely to make the structure of the ground tangible and tangible when walking.
- the shoe sole material provided has sufficient resistance and durability when the barefoot shoe is used.
- the foamed thermoplastic polyurethane material can alternatively have a Shore hardness A in the range from about 30 to about 45.
- the Shore hardness A can be in the range from approximately 32 to approximately 38, for example approximately 35.
- the shoe sole can have a wall thickness in the range from approximately 2 mm to approximately 4 mm.
- the shoe sole can alternatively have a wall thickness in the range from approximately 2.5 mm to approximately 3.5 mm.
- the shoe sole can have a profiling on the underside or on the outside.
- the profile can be formed with a profile height in the range from approximately 2 mm to approximately 6 mm.
- the profile height can be in the range from approximately 2.5 mm to approximately 4.5 mm.
- the foamed thermoplastic polyurethane material can contain at least one additive.
- a thermoplastic polyurethane is used as the starting material, which is mixed with one or more blowing agents in order to then foam the thermoplastic polyurethane in the usual way.
- LPTU lightweight thermoplastic polyurethane
- the foamed thermoplastic polyurethane material can contain an additive which increases the abrasion resistance.
- Additives which increase the abrasion resistance of the foamed thermoplastic polyurethane material are known as such in various embodiments.
- the company BASF offers such an additive under the name "V2887".
- the one or more additives are added to the starting material together with the blowing agent in the thermoplastic polyurethane during manufacture.
- the upper part can be made of at least one upper material from the following group of materials: natural leather, synthetic leather, plastic and fiber material.
- Fig. 1 and 2 show schematic representations of a barefoot shoe 1 with a shoe sole 2 and an upper part 3 attached thereto, for example by means of gluing and / or sewing.
- the shoe sole 2 consists of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from about 25 to about 55, optionally in a range from about 30 to about 45, for example at about 35.
- the Shore hardness of the foamed thermoplastic polyurethane material can can be varied in this range, for example by using different thermoplastic polyurethane materials as starting materials.
- the shoe sole 2 has a wall thickness of approximately 3 mm.
- a profiling 5 is provided on an underside 4, which has a profile height of approximately 3 mm.
- the profile height can generally be in a range from about 2 mm to about 6 mm.
- the shoe sole 2 is made from the foamed polyurethane material by foaming the starting material in a mold cavity in order to then connect the shoe sole 2 removed from the mold cavity to the upper 3, for example by means of gluing and / or sewing.
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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)
Abstract
Die Erfindung betrifft einen Barfußschuh (1) mit einem Oberteil und einer Schuhsohle (2), die mit dem Oberteil (3) verbunden ist und aus einem geschäumten thermoplastischen Polyurethanmaterial mit einer Shore-Härte A im Bereich von etwa 25 bis etwa 55 besteht. Weiterhin sind eine Schuhsohle (2) für einen Barfußschuh (1) sowie ein Verfahren zum Herstellen eines Barfußschuhs (1) geschaffen.The invention relates to a barefoot shoe (1) with an upper part and a shoe sole (2) which is connected to the upper part (3) and consists of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from about 25 to about 55. A shoe sole (2) for a barefoot shoe (1) and a method for manufacturing a barefoot shoe (1) are also provided.
Description
Die Erfindung betrifft einen Barfußschuh eine Schuhsohle für einen Barfußschuh sowie ein Verfahren zum Herstellen eines Barfußschuhs.The invention relates to a barefoot shoe, a shoe sole for a barefoot shoe and a method for producing a barefoot shoe.
Barfußschuhe sind Schuhe, die gestaltet sind, das Barfußgehen nachzuempfinden. Dieses wird insbesondere dadurch erreicht, dass Barfußschuhe eine dünne und flexible Schuhsohle ohne Fußbett aufweisen. Aufgrund der dünnen Schuhsohle wird die Struktur des Untergrunds beim Laufen spürbarer als mit üblichen dicken Schuhsohlen. Trotzdem stellt der Barfußschuh für die Füße mittels der Schuhsohle einen Schutz vor scharfen Gegenständen, Schmutz und Nässe bereit.Barefoot shoes are shoes that are designed to imitate walking barefoot. This is achieved in particular in that barefoot shoes have a thin and flexible shoe sole without a footbed. Due to the thin shoe sole, the structure of the ground becomes more noticeable when running than with the usual thick shoe soles. Nevertheless, the barefoot shoe provides protection against sharp objects, dirt and moisture for the feet by means of the shoe sole.
Barfußschuhe wurden mit verschiedenen Ausgestaltungen vorgeschlagen. Das Dokument
Im Dokument
Andere bekannte Barfußschuhe verfügen über eine Schuhsohle und ein hieran angebrachtes Oberteil, wobei die Schuhsohle aus einem Kunststoffmaterial besteht.Other known barefoot shoes have a shoe sole and an upper part attached thereto, the shoe sole consisting of a plastic material.
Aufgabe der Erfindung ist es, einen Barfußschuh und eine Schuhsohle für einen Barfußschuh sowie ein Verfahren zum Herstellen eines Barfußschuhs anzugeben, bei denen der Barfußschuh verbesserte Gebrauchseigenschaften für den Träger aufweist.The object of the invention is to specify a barefoot shoe and a shoe sole for a barefoot shoe and a method for producing a barefoot shoe, in which the barefoot shoe has improved usage properties for the wearer.
Zur Lösung sind ein Barfußschuh sowie eine Schuhsohle für einen Barfußschuh nach den unabhängigen Ansprüchen 1 und 10 geschaffen. Weiterhin ist ein Verfahren zum Herstellen eines Barfußschuhs nach dem unabhängigen Ansprüchen 11 geschaffen. Ausgestaltungen sind Gegenstand von abhängigen Ansprüchen.A barefoot shoe and a shoe sole for a barefoot shoe according to
Nach einem Aspekt ist ein Barfußschuh mit einem Oberteil und einer Schuhsohle geschaffen, die mit dem Oberteil verbunden ist und aus einem geschäumten thermoplastischen Polyurethanmaterial mit einer Shore-Härte A im Bereich von etwa 25 bis etwa 55 besteht.According to one aspect, a barefoot shoe is created with an upper part and a shoe sole which is connected to the upper part and consists of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from approximately 25 to approximately 55.
Nach einem weiteren Aspekt ist eine Schuhsohle für einen Barfußschuh mit einem Schuhsohlenkörper aus einem geschäumten thermoplastischen Polyurethanmaterial mit einer Shore-Härte A im Bereich von etwa 25 bis etwa 55 geschaffen.According to a further aspect, a shoe sole for a barefoot shoe with a shoe sole body made of a foamed thermoplastic polyurethane material with a Shore hardness A in the range from approximately 25 to approximately 55 is created.
Nach einem anderen Aspekt ist Verfahren zum Herstellen eines Barfußschuhs geschaffen, bei dem Folgendes vorgesehen ist: Bereitstellen eines Oberteils; Herstellen einer Schuhsohle (2) aus einem geschäumten thermoplastischen Polyurethanmaterial mit einer Shore-Härte A im Bereich von etwa 25 bis etwa 55 und Verbinden der Schuhsohle mit dem Oberteil.According to another aspect, a method for producing a barefoot shoe is provided, in which the following is provided: providing an upper part; Manufacture of a shoe sole (2) from a foamed thermoplastic polyurethane material with a Shore hardness A in the range from about 25 to about 55 and connecting the shoe sole to the upper.
Mittels Verwendung des geschäumten thermoplastischen Polyurethanmaterials, welches die vorgesehene Shore-Härte aufweist, ist eine Schuhsohle bereitgestellt, die einerseits dem Erfordernis eines Barfußschuhs entspricht, nämlich die Struktur des Untergrunds beim Laufen spürbar und erfahrbar zu machen. Andererseits verfügt das vorgesehene Schuhsohlenmaterial über eine ausreichende Widerstandsfähigkeit und Langlebigkeit beim Gebrauch des Barfußschuhs.By using the foamed thermoplastic polyurethane material, which has the intended Shore hardness, a shoe sole is provided which on the one hand meets the requirements of a barefoot shoe, namely to make the structure of the ground tangible and tangible when walking. On the other hand, the shoe sole material provided has sufficient resistance and durability when the barefoot shoe is used.
Das geschäumte thermoplastische Polyurethanmaterial kann alternativ eine Shore-Härte A im Bereich von etwa 30 bis etwa 45 aufweisen. In einer Ausgestaltung kann die Shore-Härte A im Bereich von etwa 32 bis etwa 38 liegen, beispielsweise bei etwa 35.The foamed thermoplastic polyurethane material can alternatively have a Shore hardness A in the range from about 30 to about 45. In one embodiment, the Shore hardness A can be in the range from approximately 32 to approximately 38, for example approximately 35.
Die Schuhsohle kann eine Wanddicke im Bereich von etwa 2 mm bis etwa 4 mm aufweisen. Die Schuhsohle kann alternativ eine Wanddicke im Bereich von etwa 2,5 mm bis etwa 3,5 mm aufweisen.The shoe sole can have a wall thickness in the range from approximately 2 mm to approximately 4 mm. The shoe sole can alternatively have a wall thickness in the range from approximately 2.5 mm to approximately 3.5 mm.
Die Schuhsohle kann eine unter- oder außenseitige Profilierung aufweisen.The shoe sole can have a profiling on the underside or on the outside.
Die Profilierung kann mit einer Profilhöhe im Bereich von etwa 2 mm bis etwa 6 mm gebildet sein. Alternativ kann die Profilhöhe im Bereich von etwa 2,5 mm bis etwa 4,5 mm liegen.The profile can be formed with a profile height in the range from approximately 2 mm to approximately 6 mm. Alternatively, the profile height can be in the range from approximately 2.5 mm to approximately 4.5 mm.
Das geschäumte thermoplastische Polyurethanmaterial kann mindestens einen Zusatzstoff enthalten. Zum Herstellen der Schuhsohle wird als Ausgangsmaterial ein thermoplastisches Polyurethan verwendet, welches mit einem oder mehreren Treibmitteln versetzt wird, um das thermoplastische Polyurethan dann in üblicher Weise aufzuschäumen. Hierdurch entsteht das geschäumte thermoplastische Polyurethanmaterial, was auch als leichtes thermoplastisches Polyurethan (LPTU) bezeichnet wird. Es entsteht so eine gewichtsreduzierte Schuhsohle aus geschäumtem Material.The foamed thermoplastic polyurethane material can contain at least one additive. To produce the shoe sole, a thermoplastic polyurethane is used as the starting material, which is mixed with one or more blowing agents in order to then foam the thermoplastic polyurethane in the usual way. This creates the foamed thermoplastic polyurethane material, which is also known as lightweight thermoplastic polyurethane (LPTU). The result is a weight-reduced shoe sole made of foamed material.
Das geschäumte thermoplastische Polyurethanmaterial kann einen die Abriebfestigkeit erhöhenden Zusatzstoff enthalten. Zusatzstoffe, die die Abriebfestigkeit des geschäumten thermoplastischen Polyurethanmaterials erhöhen, sind als solche in verschiedenen Ausführungsformen bekannt. Beispielsweise bietet die Firma BASF einen solchen Zusatzstoff unter der Bezeichnung "V2887" an. Der eine oder die mehreren Zusatzstoffe werden beim Herstellen dem Ausgangsmaterial zusammen mit dem Treibmittel dem thermoplastischen Polyurethan beigemischt.The foamed thermoplastic polyurethane material can contain an additive which increases the abrasion resistance. Additives which increase the abrasion resistance of the foamed thermoplastic polyurethane material are known as such in various embodiments. For example, the company BASF offers such an additive under the name "V2887". The one or more additives are added to the starting material together with the blowing agent in the thermoplastic polyurethane during manufacture.
Das Oberteil kann aus wenigstens einem Obermaterial aus der folgenden Gruppe von Materialien sein: Naturleder, Kunstleder, Kunststoff und Fasermaterial.The upper part can be made of at least one upper material from the following group of materials: natural leather, synthetic leather, plastic and fiber material.
Die vorangehend im Zusammenhang mit dem Barfußschuh erläuterten Ausgestaltungen können in Verbindung mit der Schuhsohle für den Barfußschuh und / oder dem Verfahren zum Herstellen entsprechend vorgesehen sein.The configurations explained above in connection with the barefoot shoe can be provided accordingly in connection with the shoe sole for the barefoot shoe and / or the manufacturing method.
Im Folgenden werden weitere Ausführungsbeispiele unter Bezugnahme auf Figuren einer Zeichnung erläutert. Hierbei zeigen:
- Fig. 1
- eine schematische Darstellung eines Barfußschuhs von der Seite und
- Fig. 2
- eine schematische Darstellung des Barfußschuhs aus
Fig. 1 von unten.
- Fig. 1
- a schematic representation of a barefoot shoe from the side and
- Fig. 2
- a schematic representation of the barefoot shoe
Fig. 1 from underneath.
Die Schuhsohle 2 weist in dem gezeigten Ausführungsbeispiel eine Wanddicke von etwa 3 mm auf. Auf einer Unterseite 4 ist eine Profilierung 5 vorgesehen, die eine Profilhöhe von etwa 3 mm aufweist. Die Profilhöhe kann allgemein in einem Bereich von etwa 2 mm bis etwa 6 mm liegen.In the exemplary embodiment shown, the
Beim Herstellen wird die Schuhsohle 2 aus dem aufgeschäumten Polyurethanmaterial gefertigt, indem der Ausgangsstoff in einem Formhohlraum aufgeschäumt wird, um dann die aus dem Formhohlraum entfernte Schuhsohle 2 mit dem Oberteil 3 zu verbinden, zum Beispiel mittels Kleben und / oder Nähen.During manufacture, the
Die in der vorstehenden Beschreibung, den Ansprüchen sowie der Zeichnung offenbarten Merkmale können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der verschiedenen Ausführungen von Bedeutung sein.The features disclosed in the above description, the claims and the drawing can be important both individually and in any combination for the implementation of the various designs.
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202019106405.6U DE202019106405U1 (en) | 2019-11-15 | 2019-11-15 | Barefoot shoe and sole for a barefoot shoe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3821743A1 true EP3821743A1 (en) | 2021-05-19 |
Family
ID=68886655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20207372.2A Withdrawn EP3821743A1 (en) | 2019-11-15 | 2020-11-13 | Barefoot shoe, shoe sole for a barefoot shoe and method of manufacture |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3821743A1 (en) |
DE (2) | DE202019106405U1 (en) |
WO (1) | WO2021093920A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202020104017U1 (en) * | 2020-07-10 | 2020-07-16 | Fußkomplizen GmbH | Sneaker and shoe sole for a sneaker |
DE202022102148U1 (en) | 2022-04-22 | 2022-04-28 | Torben Fuchs | Barefoot shoe with a sole |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1966591U (en) | 1967-04-26 | 1967-08-17 | Herbert Muhra | SUMMER SHOE OR BAREFOOT SHOES. |
US20080269371A1 (en) * | 2007-04-27 | 2008-10-30 | Bayone Urethane Systems Llc | Polyurethane compound and shoe soles made therefrom |
US20090083994A1 (en) * | 2007-09-27 | 2009-04-02 | Nike, Inc. | Article of Footwear for Water Sports |
US20150230546A1 (en) * | 2012-08-03 | 2015-08-20 | Sockwa Corporation | Shoe and sock hybrid |
EP2753205B1 (en) | 2011-09-07 | 2017-12-27 | Peitzker, Jörg | Barefoot shoe |
-
2019
- 2019-11-15 DE DE202019106405.6U patent/DE202019106405U1/en not_active Expired - Lifetime
-
2020
- 2020-11-13 DE DE112020005656.2T patent/DE112020005656A5/en not_active Withdrawn
- 2020-11-13 EP EP20207372.2A patent/EP3821743A1/en not_active Withdrawn
- 2020-11-13 WO PCT/DE2020/100967 patent/WO2021093920A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1966591U (en) | 1967-04-26 | 1967-08-17 | Herbert Muhra | SUMMER SHOE OR BAREFOOT SHOES. |
US20080269371A1 (en) * | 2007-04-27 | 2008-10-30 | Bayone Urethane Systems Llc | Polyurethane compound and shoe soles made therefrom |
US20090083994A1 (en) * | 2007-09-27 | 2009-04-02 | Nike, Inc. | Article of Footwear for Water Sports |
EP2753205B1 (en) | 2011-09-07 | 2017-12-27 | Peitzker, Jörg | Barefoot shoe |
US20150230546A1 (en) * | 2012-08-03 | 2015-08-20 | Sockwa Corporation | Shoe and sock hybrid |
Also Published As
Publication number | Publication date |
---|---|
DE202019106405U1 (en) | 2019-11-21 |
DE112020005656A5 (en) | 2022-09-01 |
WO2021093920A1 (en) | 2021-05-20 |
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