EP2278895B1 - Dessous de chaussure moulé avec propriétés antichoc élevées - Google Patents

Dessous de chaussure moulé avec propriétés antichoc élevées Download PDF

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Publication number
EP2278895B1
EP2278895B1 EP08873643.4A EP08873643A EP2278895B1 EP 2278895 B1 EP2278895 B1 EP 2278895B1 EP 08873643 A EP08873643 A EP 08873643A EP 2278895 B1 EP2278895 B1 EP 2278895B1
Authority
EP
European Patent Office
Prior art keywords
tread
protuberances
thickness
section
series
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.)
Active
Application number
EP08873643.4A
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German (de)
English (en)
Other versions
EP2278895A1 (fr
Inventor
Girolamo Badiali
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.)
Gommus Cooperativa Per Azioni Soc
Original Assignee
Gommus Cooperativa Per Azioni Soc
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Application filed by Gommus Cooperativa Per Azioni Soc filed Critical Gommus Cooperativa Per Azioni Soc
Publication of EP2278895A1 publication Critical patent/EP2278895A1/fr
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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
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/184—Resiliency achieved by the structure of the sole the structure protruding from the outsole
    • 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

Definitions

  • the present patent application for industrial invention relates to a moulded shoe bottom with high anti-shock properties, which is able to absorb the impact of the foot with the ground during walking.
  • the said protuberances are mostly configured as hollow segments of a sphere or thin cylindrical pegs with rounded tip, designed to subside or bend laterally every time the foot discharges the weight of the body rhythmically first on the metatarsal area of the foot, and then on the toes.
  • the upper surface of the bottom is quite continuous, while in case of hollow segments with significant dimensions the upper surface of the bottom is configured as a reticulation of ribs.
  • the insole adheres to the upper side of the bottom that, in the presence of protuberances with hollow structure, does not find a continuous surface and rests above a flat reticulation of ribs that border the said series of hollow protuberances.
  • the insole tends to suffer a punctiform series of subsidences because of the contrast effect of the absence of support surface in the centre of each pit and the high rigidity on the perimeter borders, which correspond to the walls of the hollow protuberances.
  • the said punctiform subsidence of the insole is often accompanied by the onset of folds or wrinkles, favoured by the natural perspiration of the foot, especially in the hot seasons of the year, since humidity tends to soften the material, usually natural or synthetic leather, of the insole.
  • US 3 533 171 discloses a footwear bottom comprising a plurality of semicircular protrusion forming respective depressions. Around the root of each protrusion a circular groove is provided so as to improve high deformation and flexibility of the protrusion.
  • US2006/0130368 discloses a footwear outsole comprising forefoot lungs surrounded by channels.
  • FR 2 459 623 discloses a shoe sole comprising a layer having a plurality of projections and a transverse throat carried out in its thickness.
  • the main purpose of the present invention is to remedy the aforementioned inconvenience by providing a new one-piece moulded shoe bottom that, although provided with an "anti-shock" structure characterised by a series of elastically flexible protuberances, provides a sufficiently rigid stable surface to support the insole.
  • the shoe bottom of the invention comprises a dense series of hollow protuberances that protrude from the lower surface of the bottom, so that the opening of the internal cavity faces the side of the bottom.
  • the said protuberances include a lateral surface and a base surface.
  • the peculiarity of the said bottom consists in the presence of a perimeter channel that surrounds each protuberance in the connection corner between the bottom and the lateral surface.
  • the said perimeter channel reduces the thickness of the bottom all around each protuberance, thus giving each protuberance a higher capacity of elastic deformation, with special reference to the lateral walls that are free to bend laterally, both towards the centre and towards the outside of each protuberance.
  • each protuberance tends to subside laterally rather than contract as a bellow under pressure, causing a swelling of the lateral wall and discharging the compression load on the borders of the reticulation of pits.
  • the bottom (1) of the invention is moulded from one piece of natural or synthetic rubber or other thermoformable elastically flexible soft materials that are traditionally used in the footwear industry.
  • the bottom (1) which has a lower tread (1 a) and an upper side (1 b), is covered on top by an insole of traditional type.
  • the lower surface of the said bottom (1) is provided with a dense series of internally hollow protuberances (2), each of them including a lower flat horizontal surface (2a) and a basically vertical lateral surface (2b) connected with the first surface (2a) without interruption.
  • the upper side of the bottom (1) is provided with a dense series of pits (3) that coincide with the internal cavity of the said protuberances (2), protruding on the tread of the bottom (1).
  • the dense series of pits (3) represents the mesh of a reticulation of flat ribs (4), and the series of protuberances (2) in the tread (1 a) are bordered by a reticulation of grooves (5) that correspond to the reticulation of flat ribs (4).
  • each protuberance (2) and the lower horizontal surface (2a) have a constant thickness, while the section (6) of the tread (1 a) that joins a pair of adjacent protuberances (2) does not have a constant cross-section.
  • the said section (6) of the tread (1a) can be also defined as the bottom wall of each groove (5) that separates the adjacent protuberances (2).
  • the tread (1 a) is provided with a series of channels (7), each of them surrounding the base of each protuberance (2).
  • the channels (7) reduce the thickness of the section (6) of the tread, favouring the elastic deformation of the lateral wall (2b) of each protuberance (2) under compression and flexion.
  • the higher thickness of the central portion (6a) of the section (6) guarantees sufficient rigidity of the bottom (1), so that each protuberance (2) is deformed without affecting or conditioning the deformation of the adjacent protuberance (2).

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (5)

  1. Fonds pour chaussures formé par moulage, en matériau souple et élastique, du type comprenant :
    - Une semelle inférieure (1 a) qui présente une dense série de protubérances (2), intérieurement creuses, comprenant une surface inférieure horizontale (2a) et une surface latérale (2b), pratiquement verticale ;
    - une tige supérieure (1 b) qui présente une dense série d'alvéoles (3), qui coïncident avec la cavité interne des dites protubérances (2) et qui constituent les mailles d'un réticule de nervures plates (4) ; la série de protubérances (2) étant délimitée par un réticule de cannelures (5) qui correspondent au réticule de nervures plates (4) ;
    - un segment (6) de semelle (1a) défini comme la paroi de fond de chaque cannelure (5) qui sépare les protubérances adjacentes (2), le segment (6) de semelle ayant une portion centrale (6a) qui déborde dans ladite cannelure (5) ;
    où ladite semelle inférieure (1a) est striée par une série de canaux (7), chacun desquels délimitant la base de chaque protubérance (2),
    où ladite surface inférieure (2a) des protubérances est horizontale,
    les canaux (7) réduisant l'épaisseur du segment (6) de semelle,
    la portion centrale (6a) du segment (6) de semelle ayant une épaisseur majeure par rapport à l'épaisseur de la semelle en correspondance des dits canaux (7), et
    l'épaisseur des canaux (7) du segment (6) de semelle étant inférieure par rapport à l'épaisseur de ladite surface horizontale et latérale verticale (2a, 2b) de la protubérance (2)
  2. Fond selon la revendication 1, caractérisé en ce que ladite surface horizontale inférieure (2a) est horizontale et plate.
  3. Fond selon la revendication 1 et 2, caractérisé en ce que la surface latérale (2b) de chaque protubérance (2) et la surface horizontale inférieure (2a) présentent une épaisseur constante.
  4. Fond selon la revendication 1 et 2, caractérisé en ce qu'il est réalisé en caoutchouc naturel.
  5. Fond selon la revendication 1 et 2, caractérisé en ce qu'il est réalisé en caoutchouc synthétique.
EP08873643.4A 2008-03-27 2008-10-20 Dessous de chaussure moulé avec propriétés antichoc élevées Active EP2278895B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000049A ITMC20080049A1 (it) 2008-03-27 2008-03-27 Fondo per calzature, formato per stampaggio, avente elevate doti antishock.
PCT/EP2008/064154 WO2009118055A1 (fr) 2008-03-27 2008-10-20 Dessous de chaussure moulé avec propriétés antichoc élevées

Publications (2)

Publication Number Publication Date
EP2278895A1 EP2278895A1 (fr) 2011-02-02
EP2278895B1 true EP2278895B1 (fr) 2016-04-13

Family

ID=40090431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08873643.4A Active EP2278895B1 (fr) 2008-03-27 2008-10-20 Dessous de chaussure moulé avec propriétés antichoc élevées

Country Status (6)

Country Link
EP (1) EP2278895B1 (fr)
ES (1) ES2582174T3 (fr)
IT (1) ITMC20080049A1 (fr)
PL (1) PL2278895T3 (fr)
PT (1) PT2278895T (fr)
WO (1) WO2009118055A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102266147B (zh) * 2011-08-19 2013-03-27 茂泰(福建)鞋材有限公司 一种具有中空结构模块的减震鞋底及鞋
DK3058837T3 (en) 2013-10-18 2018-07-30 Desarrollo Integral Del Molde Sl SOLD WITH DOUBLE SPRING
US9775408B2 (en) * 2014-12-09 2017-10-03 Nike, Inc. Footwear with auxetic ground engaging members
US9901135B2 (en) * 2014-12-09 2018-02-27 Nike, Inc. Footwear with flexible auxetic ground engaging members
CN105054484B (zh) * 2015-09-02 2016-11-02 泉州鸿荣轻工有限公司 具有前掌抓地和反弹功能的运动鞋及其鞋底
CN107668836A (zh) * 2017-11-17 2018-02-09 代尔塔（中国）安全防护有限公司 一种多区式防滑安全鞋鞋底

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161828A (en) * 1975-06-09 1979-07-24 Puma-Sportschuhfabriken Rudolf Dassler Kg Outer sole for shoe especially sport shoes as well as shoes provided with such outer sole

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533171A (en) 1968-04-16 1970-10-13 Fukuoka Kagaku Kogyo Co Ltd Footwear
JPS5421142Y2 (fr) * 1976-04-14 1979-07-27
FR2459623A1 (fr) 1979-06-27 1981-01-16 Pradet Et Cie Ets A J M Semelle pour chaussure de sports ou de loisirs, et chaussure comportant une telle semelle
US7313875B2 (en) 2004-12-22 2008-01-01 Wolverine World Wide, Inc. Footwear outsole

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161828A (en) * 1975-06-09 1979-07-24 Puma-Sportschuhfabriken Rudolf Dassler Kg Outer sole for shoe especially sport shoes as well as shoes provided with such outer sole

Also Published As

Publication number Publication date
ES2582174T3 (es) 2016-09-09
WO2009118055A1 (fr) 2009-10-01
PT2278895T (pt) 2016-07-18
ITMC20080049A1 (it) 2009-09-28
PL2278895T3 (pl) 2016-10-31
EP2278895A1 (fr) 2011-02-02

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