EP0821890B1 - Chaussure avec structure de support et de renforcement et procédé de sa fabrication - Google Patents

Chaussure avec structure de support et de renforcement et procédé de sa fabrication Download PDF

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Publication number
EP0821890B1
EP0821890B1 EP97112597A EP97112597A EP0821890B1 EP 0821890 B1 EP0821890 B1 EP 0821890B1 EP 97112597 A EP97112597 A EP 97112597A EP 97112597 A EP97112597 A EP 97112597A EP 0821890 B1 EP0821890 B1 EP 0821890B1
Authority
EP
European Patent Office
Prior art keywords
shoe
sole
parts
supporting
arc
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.)
Expired - Lifetime
Application number
EP97112597A
Other languages
German (de)
English (en)
Other versions
EP0821890A1 (fr
Inventor
Giancarlo Foscaro
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.)
ASOLO SpA
Original Assignee
ASOLO SpA
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Filing date
Publication date
Application filed by ASOLO SpA filed Critical ASOLO SpA
Publication of EP0821890A1 publication Critical patent/EP0821890A1/fr
Application granted granted Critical
Publication of EP0821890B1 publication Critical patent/EP0821890B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A43B3/0047—Footwear characterised by the shape or the use characterised by a special shape or design parts having a male and corresponding female profile to fit together, e.g. form-fit
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • 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
    • A43B5/0482—Ski or like boots characterised by type or construction details made from materials with different rigidities

Definitions

  • the present invention relates to a shoe with supporting and stiffening structure and to a method for manufacturing said shoe.
  • Stiffening structures applied to sports shoes are conventionally used, as described for example in Italian utility model application no. 30626 B/84 and in Italian patent application no. 41517 A/85.
  • Those patents disclose a structure formed by melting plastics and comprising an anatomical insole including the tip and the heel, the entire unit being formed monolithically.
  • This structure can be inserted in the sports shoe during one of the various steps of the shoe assembly; it can be fitted between the lining and the padding, between the padding and the upper, between the innerboot or last and the upper, or outside the upper. When it is fitted in this last position, the structure can be covered by an injection-overmolding of plastic material adapted to impermeabilize the entire unit and rigidly couple the structure to the shoe.
  • a plurality of sport shoes are currently commercially available which have a sole shaped and manufactured so as to improve its resistance to the lateral stresses whereto it is subjected.
  • This structure ensures good lateral containment of the foot only if the structure rises well above the ordinary borders of the sole and in proportion to the thickness of the material being present. All this entails difficulties in manufacturing the sole and most of all considerable aesthetic constraints.
  • DE-A-2 005 900 discloses such a shoe (actually a ski boot) where a pair of stiffening side pieces are attached to the periphery of the sole without discontinuity. A number of apertures along the said pieces permit only a limited flexibility to the shoe since their main purpose is to ensure the same pieces to be embedded in an outer shell.
  • US-A-3 807 602 shows an athletic boot where arc-shaped flaps are provided on top of an outer shell due to be coupled to an inner shell.
  • FR-A-2 208 279 discloses a shoe having a lower part monolithically including the sole and a pair of side parts which are extended from the heel unit through a portion of the foot length and also having a separate upper part, including the shoe tip, overmoulded onto the lower part.
  • An aim of the present invention is to provide a shoe which solves the above-mentioned problems of the prior art.
  • An object of the present invention is also to provide a shoe which is not necessarily constituted by a rigid shell but has optimum lateral containment.
  • a further object of the present invention is to provide a shoe having a lateral supporting structure which allows to absorb different stresses in various directions.
  • a further object of the present invention is to provide a shoe which can offer soft and gradual support instead of a rigid support like a conventional plastic shell.
  • a further object of the present invention is to provide a shoe which can be adapted to the shape of the foot and to the specific sports activity.
  • a further object of the present invention is to provide a shoe which is economically advantageous from the production point of view.
  • a shoe comprising a supporting and stiffening structure, characterized in that it comprises at least one arch arranged longitudinally on each side of said shoe.
  • the shoe according to the present invention comprises a supporting structure 1 composed of a lower part 2, which is adapted to connect a tip 3 to a heel unit 4, and of two arches 5.
  • the arches 5 are arranged longitudinally on each side and have attachment lines 5a, 5b to the lower part 2 at, or near to, the tip 3 and the heel unit 4.
  • a wide empty space 9 is provided between the front and the rear portion of the shoe, adjacent to the sole.
  • each arch 5 is provided with a plurality of holes 8.
  • the structure 1 is preferably assembled to the shoe 6 by injection-overmolding plastic material.
  • a preferred manufacturing method is shown in Figs. 2, 3 and 4.
  • the structure 1 is rested externally on a shoe 6 (Fig. 3) and a large rim 7 of plastic material (Fig. 4) is then formed which monolithically associates the structure 1 with the shoe 6.
  • the shoe can be assembled by gluing or by means of stitches.
  • the structure 1 can be arranged between the lining and the padding, between the padding and the upper, between the innerboot or last and the upper, or outside the upper.
  • the two lateral arches 5 can be fully or partially embedded in the injection-overmolded part or can be visible or concealed. They can be shaped so as to duplicate the exact shape of the plantar arch and of the outer side of the foot, or they can assume a "standard" shape for simple lateral containment. Their shape affects the stress acting on them.
  • Leaf-spring suspensions in fact absorb energy thanks to the deformation of the two opposite bundles of bars, which is allowed by the empty space between them, and occurs exclusively in a vertical direction.
  • the two arches 5 are not constrained by the vertical direction of the stress but can absorb vertical, lateral or mixed stresses because of the presence of the empty space between the arch 5 and the lower part 2.
  • Figs. 5, 6 and 7 schematically illustrate the "mixed" behavior of the shoe according to the present invention.
  • This freedom of deformation allows cushioning, and therefore support, regardless of the stress direction imposed by the user.
  • lateral containment can therefore be adapted to the use of the shoe and to the user's characteristics.
  • Figs. 8 and 9 illustrate a second embodiment of the shoe according to the present invention, generally designated by the reference numeral 106.
  • This embodiment offers the same support as the previous one and operates according to the same concepts.
  • the supporting structure 101 is made of the same material used for the injection-overmolding.
  • the supporting structure 101 is composed of a lower part 102, adapted to connect a tip 103 to a heel unit 104, and of two lateral arches 105.
  • the proposed embodiment allows to provide a structure made of a material having varying degrees of rigidity, according to the specifications of the individual application, and characterized by arches arranged laterally to the foot.
  • the lateral supporting structure allows to absorb several stresses in various directions.
  • the shoe according to the present invention allows a soft and gradual support instead of a rigid one as in a plastic shell.

Landscapes

  • 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)

Claims (11)

  1. Chaussure (6) munie d'une semelle et d'une structure de support et de renforcement (1, 101) comprenant une partie inférieure (2, 102) pour le raccordement mutuel d'un bout de pied (3, 103) et d'un bloc de talon (4, 104), et comprenant également au moins une paire de parties (5, 105) disposées longitudinalement de chaque côté,
    caractérisée en ce que
    les parties longitudinales (5, 105) sont en forme d'arc et comportent des points (5a, 5b) de fixation à la partie inférieure (2), qui sont situés à l'endroit ou à proximité du bout de pied (3, 103) et du bloc de talon (4, 104) de manière à former un espace vide (9) entre la partie avant et la partie arrière de la chaussure, au voisinage de la semelle.
  2. Chaussure (6) selon la revendication 1,
    caractérisée en ce que
    les parties en forme d'arc (5, 105) reproduisent la voûte plantaire et les côtés extérieurs du pied.
  3. Chaussure (6) selon la revendication 1 ou 2,
    caractérisée en ce que
    chacune des parties en forme d'arc (5, 105) est munie d'un certain nombre de trous (8) qui sont disposés essentiellement au-dessus de l'espace vide (9).
  4. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce qu'
    elle comprend un rebord extérieur (7) adapté autour des parties latérales en forme d'arc (5, 105) pour inclure monolithiquement la structure (1) disposée extérieurement au moins par rapport à la semelle de la chaussure.
  5. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (1) est collée à la semelle de la chaussure.
  6. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (1) est cousue à la semelle de la chaussure.
  7. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (1) est disposée entre un revêtement intérieur et un rembourrage de la chaussure.
  8. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (1) est disposée entre un rembourrage et l'empeigne de la chaussure.
  9. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (1) est disposée entre une botte intérieure ou forme, et l'empeigne de la chaussure.
  10. Chaussure selon l'une ou plusieurs des revendications précédentes,
    caractérisée en ce que
    la structure (101) est formée monolithiquement avec une partie de matière plastique extérieure de la chaussure.
  11. Procédé de fabrication d'une chaussure (6) munie d'une semelle et comportant une structure de support et de renforcement comprenant une partie inférieure (2, 102) pour le raccordement mutuel d'un bout de pied (3, 103) et d'un bloc de talon (4, 104), en comprenant également au moins une paire de parties en forme d'arc (5, 105) disposées longitudinalement, comme défini dans les revendications précédentes,
    caractérisée en ce qu'
    il comprend les étapes consistant à :
    appuyer la structure sur l'extérieur d'au moins la semelle de la chaussure, et
    injecter de la matière plastique pour former un rebord extérieur (7) autour des parties en forme d'arc (5, 105), de manière à associer monolithiquement la structure (1, 101) au moins avec la semelle de la chaussure (6).
EP97112597A 1996-08-02 1997-07-23 Chaussure avec structure de support et de renforcement et procédé de sa fabrication Expired - Lifetime EP0821890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI001704A IT1283684B1 (it) 1996-08-02 1996-08-02 Calzatura con struttura di sostegno e irrigidimento e procedimento per realizzare tale calzatura
ITMI961704 1996-08-02

Publications (2)

Publication Number Publication Date
EP0821890A1 EP0821890A1 (fr) 1998-02-04
EP0821890B1 true EP0821890B1 (fr) 2002-05-22

Family

ID=11374773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112597A Expired - Lifetime EP0821890B1 (fr) 1996-08-02 1997-07-23 Chaussure avec structure de support et de renforcement et procédé de sa fabrication

Country Status (4)

Country Link
EP (1) EP0821890B1 (fr)
AT (1) ATE217765T1 (fr)
DE (1) DE69712683T2 (fr)
IT (1) IT1283684B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1311627B1 (it) * 1999-01-18 2002-03-14 Benetton Spa Struttura di supporto, particolarmente per calzature.
US9456653B2 (en) 2012-10-12 2016-10-04 Shimano Inc. Bicycle shoe support and bicycle shoe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239952A (en) * 1965-02-24 1966-03-15 Robert B Lange Ski boot
US3597862A (en) * 1968-08-01 1971-08-10 Raimund W Vogel Ski boot
FR2032834A5 (fr) * 1969-02-10 1970-11-27 Austin Luther Sons Ltd
US3807062A (en) * 1971-01-22 1974-04-30 Karku Sport Ab Athletic boot
CH561518A5 (fr) * 1972-11-28 1975-05-15 Uhlmann Manyck

Also Published As

Publication number Publication date
DE69712683D1 (de) 2002-06-27
DE69712683T2 (de) 2002-11-14
EP0821890A1 (fr) 1998-02-04
ITMI961704A0 (fr) 1996-08-02
IT1283684B1 (it) 1998-04-23
ATE217765T1 (de) 2002-06-15
ITMI961704A1 (it) 1998-02-02

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