WO2009058720A1 - Articles chaussants - Google Patents

Articles chaussants Download PDF

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Publication number
WO2009058720A1
WO2009058720A1 PCT/US2008/081292 US2008081292W WO2009058720A1 WO 2009058720 A1 WO2009058720 A1 WO 2009058720A1 US 2008081292 W US2008081292 W US 2008081292W WO 2009058720 A1 WO2009058720 A1 WO 2009058720A1
Authority
WO
WIPO (PCT)
Prior art keywords
modulus
layer
sheet material
region
footwear
Prior art date
Application number
PCT/US2008/081292
Other languages
English (en)
Inventor
James Cheney
David Thorpe
Original Assignee
The Keds Corporation
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 The Keds Corporation filed Critical The Keds Corporation
Publication of WO2009058720A1 publication Critical patent/WO2009058720A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0255—Uppers; Boot legs characterised by the constructive form assembled by gluing or thermo bonding
    • 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
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
    • A43B23/027—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly flexible, e.g. permitting articulation or torsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14—Multilayered parts
    • B29D35/146—Uppers

Definitions

  • This disclosure relates to articles of footwear.
  • shoes include an upper portion and a sole.
  • the upper portion When the upper portion is secured to the sole, the upper portion along with the sole defines a void that is configured to securely and comfortably hold a human foot.
  • the upper portion and/or sole are/is formed from multiple layers that can be stitched or adhesively bonded together.
  • the upper portion can be made of a combination of leather and fabric, or foam and fabric, and the sole can be formed from at least one layer of synthetic rubber.
  • materials are chosen for functional reasons, e.g., water-resistance, durability, abrasion-resistance, and breathability, while shape, texture, and color are used to promote the aesthetic qualities of the shoe.
  • an article of footwear includes a lower assembly comprising a sole assembly and an upper assembly attached to the sole assembly.
  • the upper and lower assemblies together define a void for receiving a foot.
  • the upper assembly includes a first layer and a second layer coextensive (i.e., having generally the same boundaries and shape) with the first layer.
  • the upper assembly may be configured to provide one or more regions of controlled and/or predetermined amounts of stretch.
  • the upper assembly includes first, second, and third layers arranged and configured to provide one or more stretch control regions.
  • the first layer includes a first material, such as a woven fabric formed of cotton and Lycra, having a first 30% modulus (tensile strength at 30% elongation); and the second layer includes at least one first region (e.g., a stretch region) and at least one second region (e.g., a non-stretch region).
  • the at least one first region includes a second material, such as a knit mesh formed of polyester and spandex, having a second 30% modulus lower than the first 30% modulus.
  • the at least one second region includes a third material (e.g., a single material or a composite material), such as a polyurethane film or a stitched-on relatively non-stretchable fabric (e.g., woven nylon), having a third 30% modulus higher than both the first 30% modulus and the second 30% modulus.
  • a third material e.g., a single material or a composite material
  • the polyurethane film may be impregnated into the second material.
  • the non-stretchable fabric may be stitched onto the second material. Any such article of footwear can have multiple stretch and non-stretch regions.
  • selection of the first material of the first layer controls the overall level of stretch of the upper.
  • the second layer is used for determining the locations of the regions of certain amounts of allowed stretch, and the selection of the second material determines the amount of allowed stretch.
  • the location of the second region and the selection of the third material determines the location a relatively non-stretchable region and the amount of non-stretch.
  • Implementations of this aspect of the disclosure may include one or more of the following features.
  • the first 30% modulus is less than 2 kg/cm, and is preferably between about 0.2 kg/cm and about 1.9 kg/cm.
  • the second 30% modulus is less than about 0.3 kg/cm, and is preferably between about 0.04 kg/cm and about 0.25 kg/cm.
  • the third 30% modulus may be greater than about 2.0 kg/cm.
  • the first layer includes a first material, such as a woven fabric formed of cotton and Lycra, having a first 30% modulus (tensile strength at 30% elongation); and the second layer includes at least one first region (e.g., a stretch region) and at least one second region (e.g., a non-stretch region).
  • the at least one first region includes a second material, such as a knit mesh formed of polyester and spandex, having a second 30% modulus higher than the first 30% modulus.
  • the at least one second region includes a third material (e.g., a single material or a composite material), such as a polyurethane film or a stitched-on relatively non-stretchable fabric (e.g., woven nylon), having a third 30% modulus higher than both the first 30% modulus and the second 30% modulus.
  • a third material e.g., a single material or a composite material
  • selection of the first material of the first layer controls the overall level of stretch of the upper.
  • the second layer is used for determining the locations of the regions of certain amounts of relatively less stretch, and the selection of the second material determines the reduction of allowed stretch.
  • the location of the second region and the selection of the third material determines the location a relatively non-stretchable region and the amount of non-stretch.
  • Implementations of this aspect of the disclosure may include one or more of the following features.
  • the first 30% modulus is less than 2 kg/cm, and is preferably between about 0.2 kg/cm and about 1.9 kg/cm.
  • the second 30% modulus is greater than 2 kg/cm.
  • the third 30% modulus may be greater than about 2.0 kg/cm as well.
  • Implementations of the disclosure may include one or more of the following features.
  • the article of footwear includes a third layer, such as a liner, comprising a fourth material having a fourth 30% modulus less than the first 30% modulus.
  • the second layer may be interposed between the first and third layers.
  • the first layer has a thickness of less than about 0.200 inch (5 mm) and the second layer has a thickness of less than about 0.200 inch (5 mm).
  • the third layer may have a thickness of less than about 0.080 inch (2 mm).
  • the at least one second region comprises a polymer film, a non-stretch fabric or other textile material, such as a woven nylon material, a knit fabric, non-woven fabric, coated fabric, leather, etc., and/or thread stitched in a pattern that restricts stretch.
  • the first and/or second layers may comprise a knit material, a woven material, such as a twill material, a non-woven material, a coated fabric, and/or a leather material.
  • an article of footwear in another aspect, includes a lower assembly comprising a sole assembly and an upper assembly attached the sole assembly.
  • the upper and lower assemblies together define a void for receiving a foot.
  • the upper assembly includes a first layer and a second layer coextensive with the first layer.
  • the second layer defines a plurality of slits in at least one stretch control region defined by the second layer.
  • the slits may be visible or hidden from exterior view.
  • Implementations of this aspect of the disclosure may include one or more of the following features.
  • the article of footwear defines a longitudinal axis, and the slits are arranged to run substantially parallel to the longitudinal axis.
  • the first layer includes a first material having a first 30% modulus and the second layer includes a second material having a second 30% modulus higher than the first 30% modulus.
  • the article of footwear includes a third layer having a third 30% modulus lower than both the first 30% modulus and the second 30% modulus.
  • a method of making an upper of an article of footwear includes selecting a first sheet material having a first 30% modulus, selecting a second sheet material having a second 30% modulus lower than the first 30% modulus, and applying a stretch control material, such as a polyurethane, a relatively non-stretchable fabric or even an arrangement of stitching, having a third 30% modulus higher than the first and the second 30% modulus to the second sheet material to form at least one stretch control region of the second sheet material.
  • the method also includes arranging the first sheet material and the second sheet material to be coextensive with each other.
  • the first and/or second sheet materials having stretch characteristics (e.g., one or two dimensional stretching) and the at least one stretch control region reduces or eliminates the stretching ability of the second sheet material along one or more directions (e.g., longitudinal and transverse with respect to the article of footwear).
  • the method includes selecting a third sheet material and arranging the second sheet material between the first sheet material and the third sheet material. The first, second, and third sheet materials are arranged coextensive with each other.
  • a method of making an upper of an article of footwear includes selecting a first sheet material having a first 30% modulus, selecting a second sheet material having a second 30% modulus higher than the first 30% modulus, and applying a stretch control material, such as a polyurethane, a relatively non-stretchable fabric or even an arrangement of stitching, having a third 30% modulus higher than the first and the second 30% modulus to the second sheet material to form at least one stretch control region of the second sheet material.
  • the method also includes arranging the first sheet material and the second sheet material to be coextensive with each other.
  • the first and/or second sheet materials having stretch characteristics (e.g., one or two dimensional stretching) and the at least one stretch control region reduces or eliminates the stretching ability of the second sheet material along one or more directions (e.g., longitudinal and transverse with respect to the article of footwear).
  • the method includes selecting a third sheet material and arranging the second sheet material between the first sheet material and the third sheet material. The first, second, and third sheet materials are arranged coextensive with each other.
  • a method of making an upper of an article of footwear includes selecting a first sheet material having a first 30% modulus, selecting a second sheet material having a second 30% modulus higher than the first 30% modulus, and forming slits through the second sheet material to provide at least one stretch control region.
  • the at least one stretch control region may be stretchable along a direction generally perpendicular to the slits.
  • the first and/or second sheet materials having stretch characteristics (e.g., one or two dimensional stretching) and the slits accentuate the stretch characteristics of the second sheet material along a direction generally perpendicular to the slits.
  • the method includes arranging the first sheet material and the second sheet material to be coextensive with each other.
  • the method may include selecting a third sheet material and arranging the second sheet material between the first sheet material and the third sheet material, with the first, second, and third sheet materials being coextensive with each other.
  • the shoes provide an amount of stretch in regions selected to match foot movement; that is, the shoes can provide biomechanically correct levels of stretch.
  • the shoes can provide a customized fit and adjust to the normal swelling of feet over the course of a day.
  • the shoes can reduce fatigue and discomfort of the feet.
  • the shoes provide comfort to the metatarsal and toe area of feet.
  • the controlled and predetermined stretch allows the shoes to retain a pleasing aesthetic appearance in use.
  • FIG. 1 is a side view of a shoe that has regions of controlled and predetermined stretch.
  • FIG 2 is a top view of the shoe of FIG. 1.
  • FIG. 2A is a sectional view of the shoe of FIG. 2, taken along line 2A-
  • FIG. 3 is a top view a shoe that has regions of controlled and predetermined stretch.
  • FIG. 3A is a sectional view of the shoe of FIG. 3, taken along line 3A-
  • an article of footwear 10 that has regions of controlled and predetermined stretch includes a shoe lower assembly 12 that includes a sole or sole assembly 14, and a shoe upper assembly 20 connected to and extending from the shoe lower assembly 12. Together, the upper assembly 20 and lower assembly 12 define a void 22 dimensioned to accept a human foot.
  • the article of footwear 10 is shown as a traditional shoe; however, the inventions disclosed and claimed may be employed on other forms of footwear, such as, but not limited to sandals and boots.
  • the upper assembly 20 includes a toe box region 26, e.g., formed of canvas impregnated with rubber, a first stretch region zone 30, a second stretch zone 32 and a restricted stretch zone 36.
  • the stretch zones 30, 32 allow the shoe 10 to move with the foot as a user walks and prevent or substantially inhibit bunching of the upper assembly 20 in those zones or regions that may cause discomfort.
  • the stretch zones 30, 32 may be generally located in a vamp portion of the upper assembly 20.
  • the restricted stretch zone 36 may be located substantially between the first and second stretch zones 30, 32 and toeward of a lacing region 28.
  • the upper assembly 20 includes a first layer 40 that includes a first material, such as a woven fabric formed of cotton and Lycra, having a first 30% modulus (tensile strength at 30% elongation), and a second layer 42 coextensive (i.e., having generally the same boundaries and shape) with the first layer 40.
  • the second layer 42 has first regions 44 and 44' that include a second material having a second 30% modulus lower than the first 30% modulus.
  • the second layer 42 has first regions 44 and 44' that include a second material having a second 30% modulus higher than the first 30% modulus.
  • the second material includes a knit mesh formed of polyester and spandex.
  • the second layer 42 also has at least one second region 50 that includes a third material having a third 30% modulus higher than both the first 30% modulus and the second 30% modulus.
  • the third material may include at least one of a polyurethane film, a stitched-on relatively non-stretchable fabric (e.g., woven nylon), and a combination thereof.
  • the polyurethane film may be impregnated into the second material.
  • the non-stretchable fabric as the third material, the non-stretchable fabric may be stitched onto the second material.
  • Such a construction can provide biomechanically correct levels of stretch, providing maximum comfort to the wearer.
  • selection of the first material of the first layer 40 controls the overall level of stretch of the upper assembly 20.
  • the second layer 42 is used for determining the locations of the first regions 44 and 44' of certain amounts of allowed stretch.
  • the selection of the second material determines the amount of allowed stretch.
  • the location of the second region 50 and the selection of the third material determines the location a relatively non-stretchable region and the amount of non-stretch.
  • the selection of the first material of the first layer 40 controls the overall level of stretch of the upper assembly 20.
  • the second layer 42 is used for determining the locations of the first regions 44 and 44' of certain amounts of relatively less stretch, and the selection of the second material determines the reduction of allowed stretch.
  • the location of the second region 50 and the selection of the third material determines the location a relatively non-stretchable region and the amount of non-stretch.
  • the upper assembly 20 also includes a third layer 54 (as shown in FIG. 2A), such as a foot side liner layer, that includes a fourth material, such as a polyester knit material, having a fourth 30% modulus less than the first 30% modulus.
  • the second layer 42 is interposed between the first 40 and third layers 54 (as shown in FIG. 2A).
  • D5034-01 (Breaking Strength and Elongation of Textile Fabrics - Grab Test) in which the load reading is taken when the test specimen has been stretched to an elongation of 30%.
  • the load reading is measured in kg/cm width of the fabric/material.
  • the first 30% modulus is less than about 2.0 kg/cm, e.g., between about 0.2 kg/cm and about 1.9 kg/cm
  • the second 30% modulus is less than about 0.30 kg/cm, e.g., between about 0.04 kg/cm and about 0.25 kg/cm.
  • the third 30% modulus can be greater than about 2.0 kg/cm, such as between about 2.5 kg/cm and about 10 kg/cm.
  • the fourth 30% modulus can be less than about 0.3 kg/cm, e.g., between about 0.04 kg/cm and about 0.25 kg/cm.
  • the second layer 42 has more than one second region 50 (e.g., relatively non-stretchable region).
  • the second layer 42 can have one, two, three, four, five, six or more, relatively non-stretchable regions 50.
  • the second layer 42 has more than one first region 44, 44' (relatively stretchable region).
  • the second layer 42 can have one, two, three, four, five, six or more, relatively stretchable regions 44, 44'.
  • the second region 50 includes a film of polyurethane, a polyamide, a polyester, an ethylene vinyl acetate, or other polymer type.
  • the polyurethane can be or can include a thermoplastic polyurethane, such as one having a softening temperature of greater than about 200 0 F, e.g., between about 21O 0 F and about 275°F, or between about 225°F and 295°F.
  • a thermoplastic polyurethane such as one having a softening temperature of greater than about 200 0 F, e.g., between about 21O 0 F and about 275°F, or between about 225°F and 295°F.
  • the first layer 40 can have a thickness Tl of less than about 0.200 inch (5 mm), such as between about 0.010 inch (0.25 mm) and about 0.190 inch (4.8 mm), and the second layer 42 can have a thickness T2 of less than about 0.200 inch (5 mm), such as between about 0.010 inch (0.25 mm) and 0.190 inch (4.8 mm) (see FIG. 2A).
  • the third layer 54 can have a thickness T3 of less than about 0.080 inch (2 mm), such as between about 0.010 inch (0.25 mm) and about 0.078 inch (1.98 mm) (see FIG. 2A).
  • Many different materials can be utilized for the construction of the layers 40, 42, 54.
  • any layer 40, 42, 54 can include a knit material, a woven material (e.g., a twill material or canvas material), a non-woven material, leather, coated fabrics, and/or stitching, or composite combination thereof.
  • a first sheet material 40 is selected having a first 30% modulus and a second sheet material 42 is selected such that the second sheet material has a second 30% modulus lower than the first 30% modulus.
  • At least one stretch control region 36 is created by applying a third material 51 , such as a polyurethane, a relatively non-stretchable fabric (e.g., a woven nylon) or even stitching or stitched fabric, having a third 30% modulus higher than the first and the second 30% modulus to the second sheet material 42 to form a substantially non- stretchable region 50 in and/or on the second sheet material 42, thereby providing a composite sheet material.
  • a third material 51 such as a polyurethane, a relatively non-stretchable fabric (e.g., a woven nylon) or even stitching or stitched fabric, having a third 30% modulus higher than the first and the second 30% modulus
  • the first and/or second sheet materials 40, 42 having stretch characteristics (e.g., one or two dimensional stretching) and the at least one stretch control region 36 reduces or eliminates the stretching ability of the second sheet material 42 along one or more directions (e.g., longitudinal and transverse with respect to the article of footwear).
  • the second sheet material 42 is die-cut to a desired pattern for the upper assembly 20 and then the third material 51 (e.g., polyurethane film) of a desired shape and pattern is applied to the second sheet material 42.
  • the third material 51 e.g., polyurethane film
  • a release sheet is placed under the second sheet 42 and over the third material 51.
  • the assembly is then placed in a heat press and heated until the polyurethane impregnates the second sheet material 42 in the selected locations or regions 50.
  • non-stretch zones 50 are provided corresponding to locations on the second sheet where the polyurethane film was deposited.
  • the second sheet 42 with the non-stretch zones 50 can be stitched and/or bonded to other layers to form the shoe upper assembly 20.
  • a shoe 60 includes a shoe upper assembly 64 connected to and extending from the shoe lower assembly 12.
  • the upper assembly 64 that includes a toe box region 61, e.g., formed of canvas impregnated with rubber, a first stretch zone 63, a second stretch zone 65 and a restricted stretch zone 67.
  • the first and second stretch zones 63, 65 may be generally located in the vamp area of the shoe, with the restricted stretch zone 67 locates substantially between the first and second stretch zones 63, 65, forward of a lacing region 62 of the shoe 60, and heelward of the toe box region 61.
  • the shoe upper assembly 64 includes a first layer
  • the upper may include a third layer 80, such as a foot side or liner layer, with the second layer 72 interposed between the first and third layers 70, 80.
  • the shoe 60 defines a longitudinal axis 69.
  • the slits 76 are arranged to run substantially parallel to the longitudinal axis 69 of the shoe 60.
  • the slits 76 have a length L of between about 2 mm (0.079 inch) and about 30 mm (1.181 inch), e.g., between about 5 mm (0.197 inch) and about 25 mm (0.984 inch).
  • a lateral spacing Si between adjacent slits 76 can be between about 2 mm (0.079 inch) and about 40 mm (1.575 inch), and preferably between about 5 mm (0.197 inch) and about 35 mm (1.378 inch), and a longitudinal spacing S 2 between the slits 76 can be between about 2 mm (0.079 inch) and about 30 mm (1.181 inch), and preferably between about 5 mm (0.197 inch) and about 25 mm (0.984 inch).
  • the first layer 70 includes a first material having a first 30% modulus and the second layer 72 includes a second material having a second 30% modulus higher than the first 30% modulus.
  • a first sheet material 70 is selected having a selected first 30% modulus.
  • a second sheet material 72 is selected having a selected second 30% modulus higher than the first 30% modulus.
  • Slits 76 are formed through the second sheet material 72 to provide at least one stretch control region 63, 65 of the second sheet material 72. In some implementations, the slits 76 are arranged to run substantially parallel to the longitudinal axis 69 defined by the shoe 60.
  • the at least one stretch control region 63, 65 may be stretchable along a direction perpendicular to the slits 76.
  • the first and/or second sheet materials 70, 72 having stretch characteristics (e.g., one or two dimensional stretching) and the slits 76 accentuate the stretch characteristics of the second sheet material 72 along a direction perpendicular to the slits 76.
  • the method may include selecting a third sheet material 80 and arranging the second sheet material 72 between the first sheet material 70 and the third sheet material 80, with the first, second, and third sheet materials 70, 72, 80 being coextensive with each other.
  • the second region 50 includes material of the first region 44, 44' (e.g., a composite material)
  • the second region 50 is or includes a "patch" of different material, e.g., sewn and/or bonded onto a material.
  • the second region 50 can even be formed by applying an arrangement of stitching to a sheet material to make the region less stretchable.
  • Some implementations may include a second layer 42, 72 that uses combinations of stretch and non-stretch materials that are stitched or welded together. Some implementations may include first, second and/or third layers 40, 42, 54, 70, 72, 80 which include combinations of stretch and non-stretch materials. In addition, some implementations may include having areas (e.g., lateral vamp areas) of predetermined stretch and other areas (e.g., toeward of lacing region) without predetermined stretch [0044] While implementations have been shown in which slits 76 are not visible to a viewer looking at the exterior of the shoe, in other implementations, the slits 76 may be visible to convey stretch zones to a consumer.
  • Some implementations may use slits 76 that are not parallel to the longitudinal axis 69 of the shoe 60; and some implementations may use slits 76 of varying lengths and spacing. Furthermore, some implementations use a non-stretch interlayer 51 with cut-outs of different shapes other than a slit 76, e.g., oval, rectangular, etc. [0045] In some implementations, the stretch control regions 44, 44', 50, 63,
  • the inner layer stretch construction is used in combination with slits to achieve a desired degree of stretch. Accordingly, other implementations are within the scope of the following claims.

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

Abstract

Les articles chaussants selon l'invention sont conçus pour produire des degrés d'étirement prédéterminés et fonctionnellement adéquats en des emplacements fonctionnellement adéquats, ce qui garantit le confort d'un utilisateur tout en conservant une apparence esthétique agréable à l'utilisation. Par exemple, un article chaussant (10) comprend un ensemble supérieur (20) ayant une première couche (40) en coextension avec une deuxième couche (42). La première couche comprend une première matière ayant une première contrainte de traction de 30 %, et la deuxième couche comprend au moins une première zone (44, 44') (par exemple une zone d'étirement) et au moins une deuxième zone (50) (par exemple une zone de non-étirement). Ladite première zone comprend une deuxième matière ayant une deuxième contrainte de traction de 30 % qui est inférieure à la première contrainte de traction de 30 %. Ladite deuxième zone comprend une troisième matière ayant une troisième contrainte de traction de 30 % qui est supérieure à la première contrainte de traction de 30 % et à la deuxième contrainte de traction de 30 %.
PCT/US2008/081292 2007-10-29 2008-10-27 Articles chaussants WO2009058720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98335007P 2007-10-29 2007-10-29
US60/983,350 2007-10-29

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WO2009058720A1 true WO2009058720A1 (fr) 2009-05-07

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US (1) US20090107012A1 (fr)
WO (1) WO2009058720A1 (fr)

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