EP2948012B1 - Article de chaussure ayant une tige soudée - Google Patents

Article de chaussure ayant une tige soudée Download PDF

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Publication number
EP2948012B1
EP2948012B1 EP14731853.9A EP14731853A EP2948012B1 EP 2948012 B1 EP2948012 B1 EP 2948012B1 EP 14731853 A EP14731853 A EP 14731853A EP 2948012 B1 EP2948012 B1 EP 2948012B1
Authority
EP
European Patent Office
Prior art keywords
skin layer
footwear
reinforcing material
article
bonded
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
EP14731853.9A
Other languages
German (de)
English (en)
Other versions
EP2948012A1 (fr
Inventor
Thomas Berend
Douglas A. Beye
Tony H. Le
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.)
Nike Innovate CV USA
Original Assignee
Nike Innovate CV USA
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
Priority claimed from US13/888,832 external-priority patent/US20130312284A1/en
Application filed by Nike Innovate CV USA filed Critical Nike Innovate CV USA
Priority to EP18194216.0A priority Critical patent/EP3434128B1/fr
Publication of EP2948012A1 publication Critical patent/EP2948012A1/fr
Application granted granted Critical
Publication of EP2948012B1 publication Critical patent/EP2948012B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0009—Footwear characterised by the material made at least partially of alveolar or honeycomb material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00—Footwear characterised by the material
    • A43B1/0027—Footwear characterised by the material made at least partially from a material having special colours
    • 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
    • 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
    • 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
    • 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
    • A43B23/028—Resilient uppers, e.g. shock absorbing
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/26—Tongues for shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/06—Footwear with health or hygienic arrangements ventilated
    • A43B7/08—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
    • A43B7/084—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes
    • A43B7/085—Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures characterised by the location of the holes in the upper

Definitions

  • the present invention relates generally to a material construction for an article of footwear and, more particularly, to material construction for an upper of an article of footwear.
  • Conventional articles of athletic footwear include two primary elements, an upper and a sole structure.
  • the upper provides a covering for the foot that comfortably receives and securely positions the foot with respect to the sole structure.
  • the sole structure is secured to a lower portion of the upper and is generally positioned between the foot and the ground.
  • the sole structure may influence foot motions (for example, by resisting pronation), impart stability, and provide traction, for example. Accordingly, the upper and the sole structure operate cooperatively to provide a comfortable structure that is suited for a wide variety of athletic activities.
  • the upper is often formed from a plurality of material elements, which may be stitched or adhesively bonded together to define a void or cavity on the interior of the footwear for comfortably and securely receiving a foot. More particularly, the upper forms a structure that extends over instep and toe areas of the foot, along medial and lateral sides of the foot, and around a heel area of the foot.
  • the upper may also incorporate a lacing system to open and close an opening to the void or cavity and adjust fit of the footwear, within the upper.
  • the upper may include a tongue that extends under the lacing system to enhance adjustability and comfort of the footwear, and the upper may incorporate a heel counter or other stabilizing structure.
  • the upper may also include provisions to improve fit, comfort, and performance. Materials selection and placement may be utilized to achieve certain desired characteristics.
  • the design of many types of footwear is often driven by conflicting considerations. As but one example, it is normally desirable for an athletic shoe to have a construction that supports and protects a wearer's foot during a particular athletic endeavor. However, "breathability" is also a desirable quality for many types of athletic shoes. Specifically, air flow through a shoe upper between the shoe interior and exterior can help relieve the effects of heat and perspiration that typically build up around a foot during sporting activities. However, many materials that provide support and foot protection can block air and moisture flow through the upper. Conversely, many materials that facilitate air and moisture flow provide little support or protection to the wearer's foot.
  • One solution is to fabricate a shoe in which some portions are formed from supportive/protective materials and some portions are formed from breathable materials.
  • this can increase the complexity of the fabrication process and increase cost.
  • material joining techniques such as stitching and use of adhesives, can add weight to footwear.
  • footwear design (including athletic footwear design) is also driven by aesthetics.
  • a complex production process developed to fabricate a complex shoe can potentially limit a manufacturer's ability to vary that shoe's design to achieve different aesthetic effects.
  • a composite panel portion of an upper may include a contouring element located between a backing and an outer panel.
  • the outer panel conforms to the contouring element and the backing so as to form a raised contour.
  • the present disclosure is directed to an article of footwear as defined in claim 1.
  • the present disclosure is directed to a method as defined in claim 10.
  • longitudinal refers to a direction extending a length of a sole structure, i.e., extending from a forefoot portion to a heel portion of the sole.
  • forward is used to refer to the general direction in which the toes of a foot point, and the term “rearward” is used to refer to the opposite direction, i.e., the direction in which the heel of the foot is facing.
  • lateral direction refers to a side-to-side direction extending a width of a sole.
  • the lateral direction may extend between a medial side and a lateral side of an article of footwear, with the lateral side of the article of footwear being the surface that faces away from the other foot, and the medial side being the surface that faces toward the other foot.
  • lateral axis refers to an axis oriented in a lateral direction.
  • horizontal refers to any direction substantially parallel with the ground, including the longitudinal direction, the lateral direction, and all directions in between.
  • side refers to any portion of a component facing generally in a lateral, medial, forward, or rearward direction, as opposed to an upward or downward direction.
  • vertical refers to a direction generally perpendicular to both the lateral and longitudinal directions. For example, in cases where a sole is planted flat on a ground surface, the vertical direction may extend from the ground surface upward. It will be understood that each of these directional adjectives may be applied to individual components of a sole.
  • upward refers to the vertical direction heading away from a ground surface, while the term “downward” refers to the vertical direction heading towards the ground surface.
  • top refers to the portion of an object substantially furthest from the ground in a vertical direction
  • bottom refers to the portion of an object substantially closest to the ground in a vertical direction
  • the "interior” of a shoe refers to space that is occupied by a wearer's foot when the shoe is worn.
  • the "inner side” of a panel or other shoe element refers to the face of that panel or element that is (or will be) oriented toward the shoe interior in a completed shoe.
  • the “outer side” of an element refers to the face of that element that is (or will be) oriented away from the shoe interior in the completed shoe.
  • the inner side of an element may have other elements between that inner side and the interior in the completed shoe.
  • an outer side of an element may have other elements between that outer side and the space external to the completed shoe.
  • the terms “inward” and “inwardly” shall refer to the direction toward the interior of the shoe, and the terms “outward” and “outwardly” shall refer to the direction toward the exterior of the shoe.
  • the foregoing directional terms when used in reference to an article of footwear, shall refer to the article of footwear when sitting in an upright position, with the sole facing groundward, that is, as it would be positioned when worn by a wearer standing on a substantially level surface.
  • fixedly attached shall refer to two components joined in a manner such that the components may not be readily separated (for example, without destroying one or both of the components).
  • exemplary modalities of fixed attachment may include joining with permanent adhesive, rivets, stitches, nails, staples, welding or other thermal bonding, or other joining techniques.
  • two components may be "fixedly attached” by virtue of being integrally formed, for example, in a molding process.
  • FIG. 1 depicts an embodiment of an article of footwear 100.
  • Footwear 100 may include a sole structure 105 and an upper 110 secured to sole structure 105 and configured to receive a foot.
  • footwear 100 may be divided into three general regions: a forefoot region 115, a midfoot region 120, and a heel region 125.
  • Forefoot region 115 generally includes portions of footwear 100 corresponding with the toes and the joints connecting the metatarsals with the phalanges.
  • Midfoot region 120 generally includes portions of footwear 100 corresponding with an arch area of the foot.
  • Heel region 125 generally corresponds with rear portions of the foot, including the calcaneus bone. Regions 115, 120, and 125 are not intended to demarcate precise areas of footwear 10.
  • regions 115, 120, and 125 are intended to represent general relative areas of footwear 100 to aid in the following discussion. Since various features of footwear 100 extend beyond one region of footwear 100, the terms forefoot region 115, midfoot region 120, and heel region 125 apply not only to footwear 100, but also to the various features of footwear 100.
  • upper 110 may include one or more material elements (for example, meshes, textiles, foam, leather, and synthetic leather), which may be joined to define an interior void 130 configured to receive a foot.
  • the material elements may be selected and arranged to selectively impart properties such as light weight, durability, air-permeability, wear-resistance, flexibility, and comfort.
  • Upper 110 may define an opening 135 configured to receive a foot of a wearer into interior void 130.
  • upper 110 may include a lace 140, which may be utilized to modify the dimensions of interior void 130, thereby securing the foot within interior void 130 and facilitating entry and removal of the foot from interior void 130. Lace 140 may extend through lace receiving loops 145 in upper 110.
  • Lace receiving loops 145 may extend from a reinforcing strip 150 bordering a lace region 155 of upper 110, which may be in an instep region 157 of footwear 100. As further shown in FIG. 1 , footwear 100 may also include a tongue 800.
  • reinforcing strip 150 may include eyelets or holes configured to receive lace 40.
  • upper 110 may alternatively implement any of a variety of other configurations, materials, or closure mechanisms.
  • alternative closure mechanisms such as hook and loop fasteners (for example, straps), buckles, clasps, cinches, or any other arrangement for securing a foot within interior void 130 defined by upper 110.
  • Sole structure 105 may be fixedly attached to upper 110 (for example, with adhesive, stitching, welding, or other suitable techniques) and may have a configuration that extends between upper 110 and the ground. Sole structure 105 may include provisions for attenuating ground reaction forces (that is, cushioning and stabilizing the foot during vertical and horizontal loading). In addition, sole structure 105 may be configured to provide traction, impart stability, and control or limit various foot motions, such as pronation, supination, or other motions.
  • sole structure 105 may vary significantly according to one or more types of ground surfaces on which sole structure 105 may be used.
  • the disclosed concepts may be applicable to footwear configured for use on any of a variety of surfaces, including indoor surfaces or outdoor surfaces.
  • the configuration of sole structure 105 may vary based on the properties and conditions of the surfaces on which footwear 100 is anticipated to be used.
  • sole structure 105 may vary depending on whether the surface is harder or softer.
  • sole structure 105 may be tailored for use in wet or dry conditions.
  • sole structure 105 may be configured for a particularly specialized surface or condition.
  • footwear 100 is illustrated in the accompanying figures as a running shoe and, accordingly, the illustrated sole structure 105 is configured for providing cushioning, stability, and traction on hard, smooth surfaces, such as pavement.
  • the proposed footwear upper construction may be applicable to any kind of footwear, however, such as basketball, soccer, football, and other athletic activities.
  • sole structure 105 may be configured to provide traction and stability on hard indoor surfaces (such as hardwood), soft, natural turf surfaces, or on hard, artificial turf surfaces.
  • sole structure 105 may be configured for use on a multiple different surfaces.
  • sole structure 105 may include multiple components, which may individually or collectively provide footwear 100 with a number of attributes, such as support, rigidity, flexibility, stability, cushioning, comfort, reduced weight, or other attributes.
  • sole structure 105 may include an insole/sockliner (See FIG. 4 ), a midsole 160, and a ground contacting sole component 165, which may have an exposed, ground contacting lower surface 170, as shown in FIG. 1 . In some cases, however, one or more of these components may be omitted.
  • the insole may be disposed in void 130 defined by upper 110.
  • the insole may extend through each of forefoot region 115, midfoot region 120, and heel region 125, and between a lateral side 175 and medial side 180 of footwear 100.
  • the insole may be formed of a deformable (for example, compressible) material, such as polyurethane foams, or other polymer foam materials. Accordingly, the insole may, by virtue of its compressibility, provide cushioning, and may also conform to the foot in order to provide comfort, support, and stability.
  • Midsole 160 may be fixedly attached to a lower area of upper 110 (for example, through stitching, adhesive bonding, thermal bonding (such as welding), or other techniques), or may be integral with upper 110.
  • Midsole 160 may extend through each of forefoot region 115, midfoot region 120, and heel region 125, and between a lateral side 175 and medial side 180 of footwear 100.
  • portions of midsole 160 may be exposed around the periphery of footwear 100, as shown in FIG. 1 .
  • midsole 160 may be completely covered by other elements, such as material layers from upper 110.
  • Midsole 160 may be formed from any suitable material having the properties described above, according to the activity for which footwear 100 is intended.
  • midsole 160 may include a foamed polymer material, such as polyurethane (PU), ethyl vinyl acetate (EVA), or any other suitable material that operates to attenuate ground reaction forces as sole structure 105 contacts the ground during walking, running, or other ambulatory activities.
  • PU polyurethane
  • EVA ethyl vinyl acetate
  • At least a portion of the upper of the article of footwear is formed from a skin layer.
  • An inner reinforcing material is welded to the skin layer in select areas. The welded areas may provide a color variation from the externally exposed skin layer.
  • the inner reinforcing material may provide support, protection, and comfort in appropriate regions based on activities for which the footwear is intended.
  • additional layers may cover the skin layer in one or more areas (such as the heel and toe region) to provide additional durability. In some embodiments, such additional layers may also be utilized for decorative purposes.
  • welding is defined as a securing technique between two elements that involves a softening or melting of the material of at least one of the elements such that the materials of the elements are secured to each other when cooled.
  • welding or variants thereof is defined as the bond, link, or structure that joins two elements through a process that involves a softening or melting of material within at least one of the elements such that the elements are secured to each other when cooled.
  • welding may involve the melting or softening of two components such that the materials from each component intermingle with each other, that is, the materials may diffuse across a boundary layer between the materials, and are secured together when cooled.
  • welding may involve the melting or softening of a material in a first component such that the material extends into or infiltrates the structure of a second component, for example, infiltrating crevices or cavities in the second component or extending around or bonding with filaments or fibers in the second component to secure the components together when cooled.
  • a weldable material such as a polymer material, may be provided in one or both of the components.
  • welding does not generally involve the use of stitching or adhesives, but involves directly bonding components to each other with heat. In some situations, however, stitching or adhesives may be utilized to supplement the weld or the joining of the components through welding.
  • suitable heating techniques may include conduction heating, radiant heating, high frequency heating, laser heating, or combinations of such techniques.
  • the welding method used to join portions of the upper may include a high frequency welding method, such as ultrasonic welding or radio frequency (RF) welding.
  • the materials of the upper may be any materials suitable for such a method.
  • materials suitable for high frequency welding may include thermoplastic material or natural material coated with a thermoplastic material.
  • materials suitable for high frequency welding methods include an acrylic, a nylon, a polyester, a polylactic acid, a polyethylene, a polypropylene, polyvinyl chloride (PVC), a urethane, a natural fiber that is coated with one or more thermoplastic materials, and combinations of such materials.
  • a natural fiber such as cotton or wool, may be coated with a thermoplastic material, such as an ethyl vinyl acetate or thermoplastic polyurethane.
  • Use of welding can provide various advantages over use of adhesives or stitching. For example, use of welding may produce a lighter weight shoe due to the absence of stitching and adhesives. By eliminating stitching and adhesives, the mass that would otherwise be imparted by stitching and adhesives may be utilized for other structural elements that enhance the performance properties of the article of footwear, such as cushioning, durability, stability, and aesthetic qualities. Another advantage relates to manufacturing efficiency and expense. Stitching and application of adhesives can be relatively time-consuming processes. By welding components, manufacturing time may be reduced. Further, costs may be reduced by eliminating the expense of adhesives or stitching materials.
  • the skin layer may be a mesh skin layer.
  • the mesh skin layer may remain unreinforced, permitting directed ventilation through the upper. That is, in unreinforced portions, the skin layer may have an outwardly exposed outer surface and an inwardly exposed inner surface.
  • the openings in the mesh of the unreinforced skin layer may permit ventilation through the upper.
  • the openings in the mesh skin layer may also provide other advantages, such as weight reduction, flexibility, and other advantages.
  • the upper in the unreinforced portions of the skin layer, the upper may consist essentially of the skin layer, and thus, may not include any additional layers.
  • the mesh may be provided in panels that extend between reinforcing panels, the mesh and reinforcing panels being joined only at abutting edges, for example with minimal overlap.
  • Upper 110 may include a skin layer 185 forming at least a portion of an external surface of upper 110. Upper 110 may also include a reinforcing material 190 selectively located internal and adjacent to portions of skin layer 185, thereby defining reinforced portions 195 of skin layer 185 and unreinforced portions 200 of skin layer 185. As shown in FIG. 1 , reinforced portions 195 may include a plurality of striped line portions. For example, reinforced portions 195 may include a first reinforced portion 301, a second reinforced portion 302, a third reinforced portion 303, a fourth reinforced portion 304, a fifth reinforced portion 305, a sixth reinforced portion 306, and a seventh reinforced portion 307. The arrangement of reinforced portions 195 and unreinforced portions 200 is discussed in greater detail below.
  • Reinforcing material 190 is selectively joined with skin layer 185.
  • reinforcing material 190 may be selectively joined with skin layer 185 at a bonded area 205 by welding.
  • bonded area 205 may have an externally exposed surface that defines a portion of the external surface of upper 110.
  • Reinforcing material 190 may provide advantages with respect to various characteristics, such as strength, durability, support, stability, and other attributes.
  • reinforcing material 190 may be a material having a tensile strength or puncture strength that is substantially the same or greater than skin layer 185.
  • reinforcing material 190 may provide upper 110 with increased strength in select areas.
  • reinforcing material 190 may be a material having an abrasion resistance that is greater than skin layer 185.
  • reinforcing material 190 may provide upper 110 with increased durability.
  • reinforcing material 190 may have an elasticity that is lower than the same or lower than skin layer 185. In such embodiments, reinforcing material 190 may provide additional support and stability to the wearer, for example, by limiting the amount to which skin layer 185 may stretch in reinforced portions 195.
  • portions of upper 110 may include one or more additional layers/components for reinforcement, support, padding, and stability.
  • upper 110 may include one or more panels affixed to an exterior of, or adjacent to, skin layer 185. Reinforcing strip 150 is one example of such an additional layer/component.
  • upper 110 may include a heel panel 210.
  • upper 110 may include a toe panel 215.
  • the additional panels of material, such as heel panel 210 and toe panel 215 may be welded to skin layer 185. Heel panel 210 and toe panel 215 may provide additional protection for the foot of a wearer.
  • heel panel 210 and toe panel 215 may provide additional durability for upper 110. Further, in some embodiments, heel panel 210 and toe panel 215 may provide additional stability for footwear 100. In addition, heel panel 210 and toe panel 215 may be configured to provide aesthetic appeal.
  • the mesh skin layer may be a full-length layer. That is, skin layer 185 may extend throughout all, or substantially all, of upper 110.
  • the additional layers such as heel panel 210 and toe panel 215 may be affixed to an exterior surface of skin layer 185.
  • additional weight may be saved by utilizing skin layer 185 only in the areas of footwear 100 where skin layer 185 is exposed, for example between heel panel 210 and toe panel 215.
  • padding can be included in one or more portions of the upper to provide comfort and a close fit against the contours of the foot.
  • an ankle region 220 of upper 110 proximate to opening 135 may include compressible padding, such as foam padding, in order to provide cushioning and a close fit against the ankle of a wearer.
  • FIG. 2 is an exploded view of footwear 100 shown in FIG. 1 .
  • FIG. 2 shows sole structure 105 and the plurality of components from which the upper may be constructed.
  • skin layer 185 is shown.
  • Skin layer 185 is shown as a full length skin layer in FIG. 2 .
  • heel panel 210 and toe panel 215, such as shown in FIG. 2 may be fixedly attached to an external surface of skin layer 185. Such fixed attachment may be by welding. It will be noted, however, that, as discussed above, in some embodiments, skin layer 185 may be less than a full length layer and, instead, may extend between additional panel components, such as heel panel 210 and toe panel 215. In such embodiments, heel panel 210 and toe panel 215 may overlap skin layer 185 only minimally, for example, at the peripheral, adjoining edges of each panel.
  • the shape and size of heel panel 210 and toe panel 215 may vary according to desired performance characteristics such as weight, foot protection, durability, aesthetic design, and other such characteristics. Further, the materials from which heel panel 210 and toe panel 215 may be formed may vary according to the same or similar desired performance characteristics.
  • FIG. 2 shows strips of reinforcing material 190 in isolation. These strips may be disposed against the inner surface of skin layer 185. The arrangement of reinforcing material in footwear 100 is discussed in greater detail below.
  • FIG. 2 also shows a foam collar piece 193, which may be disposed between inner liner panel 191 and reinforcing collar panel 192.
  • Foam collar piece 193 may be a compressible component, which may conform to the contours of the foot proximate the ankle, thus improving fit and comfort. Such a compressible foam collar piece 193 may also provide protection for the ankle against impact and shifting of footwear 100 due to loading experienced during athletic activities.
  • tongue 800 may include multiple components.
  • tongue 800 may include a grip portion 875, which may form an external surface of an upper portion of tongue 800.
  • Grip portion 875 may provide a suitable area at which to grip tongue 800 when putting footwear 100 on the foot.
  • grip portion 875 may provide a location to display indicia, such as a logo or other graphic or text.
  • tongue 800 may include a skin layer 885. Skin layer 885 may be formed of the same or similar material as skin layer 185, such as a mesh material. In some embodiments, skin layer 885 may form the exterior surface of a substantial majority of tongue 800.
  • the area of skin layer 885 which is not covered by grip portion 875 may form a substantial majority of the exterior exposed surface of tongue 800.
  • skin layer 885 may extend the full length of tongue 800, and thus, grip portion 875 may overlay skin layer 885.
  • skin layer 885 and grip portion 875 may be joined at their peripheral edges and thus may not overlap, or may overlap minimally. This may save weight, by reducing the amount of skin layer material is used to form tongue 800.
  • tongue 800 may also include a plurality of foam pads 880 and a liner 890.
  • Foam pads 880 may be disposed between skin layer 885 (or grip portion 875) and liner 890.
  • Foam pads 880 may be compressible, and thus, may provide comfort and improved fit in the instep region of footwear 100.
  • Liner 890 may be formed of a material that is suitable for contacting the skin of a foot or a sock-covered foot of a wearer. Thus, liner 890 may be formed of a material that enables the sock-covered foot to slide into and out of footwear 100 with minimal effort.
  • liner 890 may also have moisture wicking properties to absorb sweat from a wearer's foot.
  • tongue 800 may be joined using one or more joining techniques, such as welding, stitching, heat bonding, or other suitable construction methods. Additional details of the construction of tongue 800 are discussed below with regard to FIGS. 12-14 .
  • the skin layer may be exposed over a relatively large area of the upper.
  • the reinforcing material and the bonded area in which the reinforcing material is bonded to the skin layer may be used to reinforce a span of skin layer between other shoe components. That is, strips of the reinforcing material may extend between components of the shoe.
  • the bonded area may include lines of bonded material extending between components of the article of footwear. For example, strips of reinforcing material and lines of bonded area may extend from a midsole of the article of footwear to a reinforcing strip bordering the lacing region of the article of footwear. This configuration may provide structural support in a generally vertical direction. In some embodiments, however, the strips and lines of bonded area may be angled in order to strategically reinforce the upper in certain directions and orientations.
  • first reinforced portion 301 may extend from reinforcing strip 150 to sole structure 105, for example to midsole 160, as shown in FIG. 3 .
  • First reinforced portion 301 may extend, not only vertically, but also in a forward direction as it approaches midsole 160. The angling of first reinforced portion 301 may provide structural support in a forward-rearward direction.
  • first reinforced portion 301 may operate in tension to resist forces that tend to translate upper 110 in a rearward direction relative to sole structure 105. Such forces may occur, for example, when an athlete accelerates in a forward direction.
  • first reinforced portion 301 may also span between reinforcing strip 150 and toe portion 215, providing further reinforcement to upper 110 by connecting skeletal structures of upper 110.
  • Second reinforced portion 302 may also extend from reinforcing strip 150 to midsole 160, as shown in FIG. 3 . Further, second reinforced portion 302 may extend in a substantially vertical direction when viewed from the side of footwear 100. In addition, second reinforced portion 302 may be joined to reinforcing strip 150 proximate to first reinforced portion 301.
  • Third reinforced portion 303 may extend from reinforcing strip 150 to midsole 160, as shown in FIG. 3 .
  • Third reinforced portion 303 may extend, not only vertically, but also in a rearward direction as it approaches midsole 160.
  • the angling of second reinforced portion 303 may provide structural support in a forward-rearward direction.
  • third reinforced portion 303 may operate in tension to resist forces that tend to translate upper 110 in a forward direction relative to sole structure 105. Such forces may occur, for example, when an athlete slows or stops their forward movement.
  • third reinforced portion 303 may be joined to reinforcing strip 150 proximate to second reinforced portion 302.
  • first reinforced portion 301, second reinforced portion 302, and third reinforced portion 303 may connect to reinforcing strip 150 adjacent one another and provide supportive reinforcement in different directions (fore, aft, and vertically). This may contribute the stability of footwear 100, by maintaining the relative positioning of upper 110 relative to sole structure 105.
  • first reinforced portion 301, second reinforced portion 302, and third reinforced portion 303 may connect to reinforcing strip 150 adjacent one another in a forefoot portion of footwear 100, for example in the area corresponding with the first metatarsal head and the first metatarsal-phalangeal joint. This joint is a point of flexion of the forefoot. Accordingly, it is advantageous to maintain the positioning of upper 110 relative to sole structure 105 in the region of this joint. This may promote, comfort, fit, and performance of footwear 100.
  • first reinforced portion 301, second reinforced portion 302, and third reinforced portion 303 may enable a first unreinforced region 311 in the forefoot region to be a relatively wide span of skin layer that is unreinforced. This may provide additional ventilation and weight reduction.
  • Fourth reinforced portion 304 and fifth reinforced portion 305 may extend from reinforcing strip 150 to midsole 160, as shown in FIG. 3 .
  • fifth reinforced portion 305 may be joined to reinforcing strip 150 proximate to fourth reinforced portion 304, and may separate as fourth reinforced portion 304 and fifth reinforced portion 305 approach midsole 160.
  • sixth reinforced portion 306 and seventh reinforced portion 307 may be arranged similarly to fourth reinforced portion 304 and fifth reinforced portion 305, that is, in an inverted "V” formation. This inverted "V" formation may provide structural support in a similar manner to first reinforced portion 301, second reinforced portion 302, and third reinforced portion 303 discussed above.
  • reinforcing strip 150 has a first length corresponding with the lacing region
  • midsole 160 has a second length that extends the full length of footwear 100 and is, thus, longer than the first length of reinforcing strip 150.
  • the reinforced portions of upper 110 may have other arrangements to provide strength, support, durability, and other performance characteristics.
  • reinforcing portions may be arranged in an "X" configuration between various components of footwear 100.
  • Other arrangements are also possible according to the locations at which reinforcement is desired for performance benefits.
  • first unreinforced portion 311 a second unreinforced portion 312 may be disposed between first reinforced portion 301 and second reinforced portion 302.
  • a third unreinforced portion 313 may be disposed between second reinforced portion 302 and third reinforced portion 303.
  • a fourth unreinforced portion 314 may be disposed between third reinforced portion 303 and fourth reinforced portion 304.
  • a fifth unreinforced portion 315 may be disposed between fourth reinforced portion 304 and fifth reinforced portion 305.
  • a sixth unreinforced portion 316 may be disposed between fifth reinforced portion 305 and sixth reinforced portion 306.
  • a seventh unreinforced portion 317 may be disposed between sixth reinforced portion 306 and seventh reinforced portion 307.
  • an eighth unreinforced portion 318 may be disposed between seventh reinforced portion 307 and ankle region 220.
  • Additional unreinforced portions similar to second unreinforced portion 312, third unreinforced portion 313, fourth unreinforced portion 314, fifth unreinforced portion 315, sixth unreinforced portion 316, seventh unreinforced portion 317, and eight reinforced portion 318 may be provided on the opposite side of footwear 100.
  • the medial and lateral sides of upper 110 may be substantial mirror images in terms of the arrangement of reinforcing material.
  • the collective surface area of unreinforced portions may form a substantial majority of the surface area of exposed skin layer.
  • the collective surface area of unreinforced portions may constitute a substantial majority of the surface area of upper 110.
  • upper 110 may be provided with ventilation, flexibility, and reduced weight.
  • the unreinforced skin layer has a first color.
  • the skin layer may be a mesh material, and thus, portions of underlying reinforcing material may show through the openings in the mesh skin layer. If the reinforcing material has a second color that is different than the first color of the skin layer, the appearance of a reinforced portion of skin layer may have a third color that is a blend of first color of the skin layer and the second color of the reinforcing material color.
  • the bonded areas, where reinforcing material is bonded to the skin layer may have a fourth color.
  • This fourth color may be substantially the same as the second color of the reinforcing material, as the skin layer may become embedded in the reinforcing material during the welding process.
  • the bonded area may have a color that is a blend of the first color of the skin layer and the second color of the reinforcing material.
  • other portions of the footwear may have a fifth color, which may be the same or different as other components of the footwear.
  • the color differences may be utilized for aesthetic design purposes. Further, the color differences may be utilized to show, through the color arrangement, various structural aspects of the footwear construction.
  • Unreinforced skin layer may have a first color.
  • first unreinforced portion 311, second unreinforced portion 312, third unreinforced portion 313, fourth unreinforced portion 314, fifth unreinforced portion 315, sixth unreinforced portion 316, seventh unreinforced portion 317, and eight reinforced portion 318 may have a first color represented in FIG. 3 simply as a grid.
  • Reinforcing material although not shown exposed in FIG. 3 , may have a second color.
  • FIG. 3 For purposes of discussion, FIG.
  • FIG 3 illustrates a configuration in which the second color of the reinforcing material is substantially the same as a fifth color of other footwear components, such as heel panel 210, toe panel 215, and reinforcing strip 150, which are shown with a relatively dark stipple.
  • the appearance of reinforced portions of skin layer may have a third color that is a blend of the first color of the skin layer and the second color of the reinforcing material color.
  • first reinforced portion 301, second reinforced portion 302, third reinforced portion 303, fourth reinforced portion 304, fifth reinforced portion 305, sixth reinforced portion 306, and seventh reinforced portion 307 may have a third color that is an intermediate color between the first color of the skin layer and the second color of the reinforcing material. Accordingly, first reinforced portion 301, second reinforced portion 302, third reinforced portion 303, fourth reinforced portion 304, fifth reinforced portion 305, sixth reinforced portion 306, and seventh reinforced portion 307 are shown with a medium darkness stipple.
  • bonded areas 205 where reinforcing material is bonded to the skin layer may have a fourth color.
  • This fourth color may be substantially the same as the second color of the reinforcing material. Accordingly, bonded areas 205 are shown in FIG. 3 as having a relatively dark stipple.
  • the externally exposed surface of bonded area 205 may be given a fourth color that is different from the first color.
  • the additional layers/components discussed above such as reinforcing strip 150, heel panel 210, and toe panel 215, may be formed of the same or similar material as reinforcing material 190. For example, all of these components may be formed of a relatively lightweight fabric.
  • the lines of bonded area 205 may match in color with other footwear components to provide various decorative appearances.
  • one or more footwear components may have a different color than the reinforcing material and bonded area 205 to provide a different visual appearance.
  • the welding process may change the apparent color of the exterior surface of upper 110 by relocating portions of reinforcing material to the exterior surface of upper 110.
  • the process of welding may involve the melting of reinforcing material 190 such that the reinforcing material flows from the inner side of skin layer 185 between the fibers of skin layer 185 (for example through the openings in a skin layer mesh material) to the outer, exposed side of skin layer 185.
  • the externally exposed surface of bonded area 205 may include portions of reinforcing material, thus providing the externally exposed surface of the bonded area 205 with substantially the same color as the reinforcing material. The mechanism by which the relocation of portions of reinforcing material takes place is explained in more detail below.
  • the colors of footwear 100 are shown in FIG. 3 as being varying shades of grey, it will be understood that the components of footwear 100 may have any suitable colors. Further, the differences in color between components may be varying shades of a given color, such as dark red and light red. In addition, blends of colors may produce not only varying shades, but different colors altogether. For example, in some embodiments, a yellow skin layer may be combined with a blue reinforcing material to form reinforced portions or bonded areas that have a green appearance.
  • FIG. 4 illustrates a perspective view through opening 135 into void 130 within upper 110 of footwear 100.
  • FIG. 4 shows an insole 225, and shows strips of reinforcing material 190 extending upward from beneath insole 225.
  • portions of skin layer 185 are inwardly exposed between the strips of reinforcing material 190.
  • these unreinforced portions of skin layer 185 are exposed both externally and internally.
  • skin layer 185 may be a mesh material in some embodiments, the unreinforced portions of skin layer 185 may provide direct ventilation through skin layer 185, to internal void 130 defined by upper 110.
  • FIG. 5 is an enlarged illustration of a portion of FIG. 4 showing the inner surface of upper 110.
  • unreinforced portions 196 such as sixth unreinforced portion 316, seventh unreinforced portion 317, and eighth unreinforced portion 318 may be disposed between reinforced portions 190, such as sixth reinforced portion 306 and seventh reinforced portion 307.
  • the reinforced portions may be welded to the skin layer, for example in a first bonded area 321, a second bonded area 322, a third bonded area 323, and a fourth bonded area 324. It will be noted that, first bonded area 321, second bonded area 322, third bonded area 323, and fourth bonded area 324 are shown in FIG.
  • FIG. 5 shows an inner side of upper 110, the skin layer is not shown, since the skin layer is not internally exposed proximate to the bonded areas. Thus, the bonded areas may have the same color as the reinforcing material on the inner side of upper 110.
  • two bonded areas may join to form a more complex pattern.
  • second bonded area 322 and third bonded area 323 may converge to form an inverted "V" arrangement.
  • This joining of bonded areas may provide a structural connection between skeletal components of upper 110.
  • sixth reinforced portion 306 and seventh reinforced portion 307 may be formed by separate strips of reinforcing material. In such embodiments, joining the bonded areas that secure these separate strips to the skin layer may provide a structural connection between these separate strips, thus creating a truss-like structure.
  • FIGS. 6 and 7 illustrate, in greater detail, the structure of the reinforced portions of upper 110.
  • the arrangement of skin layer 185, reinforcing material 190, and bonded area 205 is illustrated in greater detail in FIG. 6 , which shows an enlarged view of one of the striped regions of upper 110 created by reinforced portion 195 of skin layer 185.
  • skin layer 185 may be formed of a mesh material.
  • skin layer 185 may include a plurality of openings 230, which may provide weight reduction and ventilation. In unreinforced portions 200, openings 230 may provide direct ventilation with an interior of footwear 100.
  • the mesh material may have more than 50% open area (e.g., more than 50% of the material surface area comprises open space through which air can freely flow from one side to the other).
  • reinforcing material 190 may be visible behind skin layer 185 through openings 230. In this substantial majority of reinforced portion 195, reinforcing material 190 may remain adjacent to, but detached from, skin material 185. In select portions of reinforced portion 195, reinforcing material 190 may be affixed to skin layer 185 to form bonded areas 205. It will be noted that unreinforced portions 200 of skin layer 185 appear as generally white, while reinforced portion 195 appears generally grey due to the combination of the dark reinforcing material 190 with the white mesh of skin layer 185. Bonded areas 205 appear darker still as no white grid lines interrupt the dark color of reinforcing material 190 in bonded areas 205.
  • the skin material is illustrated, in the accompanying drawings, as a relatively simple grid representation.
  • This grid representation is schematic only, and is provided in this manner for convenience and to avoid obscuring the drawings with excessive detail.
  • actual materials used for the mesh of the skin layer examples of which are provided below, may have a relatively simple square or rectangular grid structure, similar to that shown in the drawings.
  • the orientation of the grid may vary.
  • other more complicated grid structures may be utilized for the mesh material of the skin layer.
  • the size of the grid openings may also vary.
  • the configuration of the skin layer mesh may be selected according to desired performance characteristics, including weight, strength, puncture resistance, ventilation, and other attributes.
  • the mesh material of skin layer 185 may be a single layer warped knit with an open structure (or other type of woven material) and may be formed from nylon, polyester, nylon/polyester blends, recycled polyethylene terephthalate (rePET), or other material.
  • the mesh material of skin layer 185 may be made of any desired materials, with any desired mesh opening size(s).
  • Reinforcing material 190 may be any suitable material, including fabrics, textiles, weaves, knits, and other such materials. Reinforcing material 190 may be a material that is adhesively compatible with skin layer 185 and other materials of the shoe. In some embodiments, reinforcing material 190 may be a material that is adhesively compatible with skin layer 185 during welding.
  • Suitable materials may include crystalline or semi crystalline materials.
  • such materials may include thermoplastics.
  • suitable materials may include polyalkylenes, such as polyethylene and polypropylene.
  • Other materials may also be suitable for use as reinforcing materials, such as nylons, polyesters, and other such materials.
  • reinforcing material 190 may be configured to melt under welding, and thereby flow through openings 230 in the mesh of skin layer 185, thus resulting in skin layer 185 embedding within reinforcing material 190 in bonded regions. Reinforcing material is melted slightly, enabling the mesh of skin layer 185 to become partially embedded in reinforcing material 190 during welding.
  • reinforcing material 190 and skin layer 185 may rely not only on the partially embedded construction, but also on the adhesive bonding created by the partial melting of the reinforcing material.
  • the reinforcing material may have the same or lower melting point as the skin layer. This may enable the reinforcing material to melt and flow through the openings in the mesh while the fibers of the mesh remain substantially intact.
  • bonded areas 205 may span one or more of openings 230. Further, the amount of reinforced portion 195 in which reinforcing material 190 is affixed to skin layer 185 may vary. That is, the ratio of bonded area 205 to reinforced portion 195 may vary from relatively low, for example, 1:20, to relatively high, for example, 19:20. In some exemplary embodiments, stripes on the medial and lateral side of upper 110 may have a ratio of bonded area 205 to reinforced portion 195 of approximately 1:3. For example, as shown in FIG. 6 , the combined widths of bonded areas 205 may be approximately one third of the total width of reinforced portion 195.
  • the combined strength of the mesh skin layer 185 and reinforcing material 190 may obviate the need for another material on the outside or inside surface of upper 110 to provide tensile strength, puncture strength, durability, stability, or other performance characteristics. This permits upper 110 to be much lighter than is possible using various conventional shoe construction techniques.
  • openings 230 in skin layer 185 allow air to flow through. This air flow helps to cool and dry the foot of a wearer of footwear 100.
  • skin layer 185 may be the only layer of upper 110 in certain portions of upper 110.
  • additional reinforcing materials may be utilized.
  • reinforcing material 190 may be selectively located at various portions of skin layer 185, and an additional inner reinforcing material may be provided for more comfort and moisture control (for example, wicking moisture away from the foot).
  • This additional inner liner (not shown) may extend over otherwise unreinforced portions of skin layer 185.
  • this additional inner liner may be a relatively breathable material, and thus, may preserve the ventilation benefits of a mesh skin layer 185.
  • FIG. 7 is a cross-sectional view of upper 110 taken at line 7-7 in FIG. 6 .
  • bonded areas 205 may be created by embedding the mesh fibers of the skin layer 185 into reinforcing material 190.
  • the fibers of skin layer 185 may melt to a greater or lesser degree during the welding process. Accordingly, in some embodiments, when forming bonded areas 205, the fibers of skin layer 185 may remain substantially intact. In other embodiments, the fibers of skin layer 185 may substantially melt and mix with the reinforcing material 190. In some cases, it may be desirable for the fibers of skin layer 185 to remain substantially intact in order to preserve the strength and durability of skin layer 185.
  • the fibers of skin layer 185 may deform slightly, as shown in FIG. 7 . This slight deformation may result from slight melting, which may improve the bonding between the fibers of skin layer 185 and reinforcing material 190, while substantially preserving the tensile strength of skin layer 185 since the fibers of skin layer 185 remain substantially intact.
  • FIG. 7 further illustrates the deformation of reinforcing material 190 in bonding areas 205. This deformation may be created by heat and pressure applied by the welding process, which may compress the reinforcing material 190.
  • FIG. 7 also shows reinforced portion 195 where reinforcing material 190 extends beneath skin layer 185, as well as unreinforced portions 200 where reinforcing material 190 does not extend.
  • FIG. 8 provides a schematic illustration of an alternative configuration of the mesh material of the skin layer.
  • FIG. 8 shows a mesh skin layer 700 backed in a reinforced portion 730 by a reinforcing material 705. Reinforced portion 730 extends to edges 710 of reinforcing material 705. Further, reinforcing material 705 is welded to skin layer 700 in a first bonded area 720 and a second bonded area 725.
  • the mesh of skin layer 700 may have a hexagonal configuration.
  • This hexagonal configuration may provide improved strength and inelasticity in multiple directions as compared to a square or rectangular grid configuration.
  • Meshes having grid with other geometrically-shaped configurations may also be used.
  • the skin layer may be formed of a mesh material having a triangular or octagonal configuration. The varying shapes may be selected to provide desired performance characteristics, such as directional strength and inelasticity.
  • the mesh of the skin layer is shown as having generally two-dimensional configurations, in some embodiments, the mesh may have a three-dimensional configuration.
  • the skin layer may be formed of a spacer mesh or spacer textile.
  • Three-dimensional mesh configurations may provide more complex and tailored performance characteristics, such as directional tensile strength and inelasticity, as well as puncture strength, abrasion resistance, and ventilation.
  • Some embodiments may use one or more spacer meshes or spacer textile materials that are discussed in Hazenberg et al., U.S. Patent Application Publication No. 2013/0266773, published October 10, 2013 , and entitled "Spacer Textile Materials And Methods For Manufacturing The Spacer Textile Materials," and Chao et al., U.S. Patent Application Publication No. 2013/0263391, published October 10, 2013 , and entitled "Methods for Manufacturing Fluid-Filled Chambers Incorporating Spacer Textile Materials.”
  • a double needle bar raschel knit or other three-dimensional knit may be used to form a mesh material for the skin layer.
  • Exemplary three-dimensional knits that may be used including the double needle bar raschel knit, are disclosed in Bruer et al., "Three-Dimensionally Knit Spacer Fabrics: A Review of Production Techniques and Applications," Journal of Textile and Apparel, Technology and Management, Vol. 4, Iss. 4, Summer 2005 .
  • a bonded mesh composite panel of an upper may be created by assembling individual panels of material for the various layers in a flat configuration.
  • the panels and other elements are assembled so as to have an arrangement in which the relative locations of the panels and elements correspond to the locations those panels and elements will have in the completed shoe.
  • the assembly undergoes a series of pressing operations to bond the assembled elements. These operations create a flat, one-piece unibody upper shell that can contain many or all elements to be included in the finished upper. Edges of the unibody upper shell can then be joined to create a three-dimensional upper body ready for further finishing and attachment to a midsole.
  • Some embodiments may use one or more of the assembly procedures disclosed in Shaffer et al., U.S. Patent Application Publication No. 2012/0297643, published November 29, 2012 , and entitled “Shoe with Composite Upper and Method of Making the Same". Additionally, some embodiments may use one or more of the footwear assembly methods disclosed in (a) Dojan et al., U.S. Patent Application No. 13/029,502, filed February 17, 2011 and entitled “Shoe with Composite Upper and Foam Element and Method of Making Same," (now abandoned), (b) Dojan et al., U.S. Patent Application Publication No. 2011/0088285, published April.
  • FIGS. 9-11 illustrate an exemplary ultrasonic welding process in greater detail.
  • skin layer 185 and reinforcing material 190 may be ultrasonically welded on an anvil 235.
  • Anvil 235 may be a relatively rigid body on which the components may be ultrasonically welded.
  • anvil 235 may be a relatively flat surface, such as a table.
  • anvil 235 may be a last upon which the article of footwear may be assembled.
  • the schematic illustrations of FIGS. 9-11 are intended to encompass use of an anvil generally, and thus, are not specific to any particular anvil configuration.
  • an ultrasonic horn 240 may be provided to effectuate the ultrasonic welding. As shown in FIG. 10 , ultrasonic horn 240 may compress skin layer 185 and reinforcing material 190 against anvil 235. Also, ultrasonic horn 240 may be vibrated at an ultrasonic frequency, as illustrated by vibration lines 245. This ultrasonic vibration may create friction, which may create heat, which, along with the pressure of ultrasonic horn 240 pressing against anvil 235, may at least partially melt a portion of reinforcing material 190.
  • the fibers of skin layer 185 may embed within reinforcing material 190, effectively relocating portions of reinforcing material 190 to an exterior surface of the upper, thereby forming bonded area 205, as shown in FIG. 11 .
  • a method of making an article of footwear may be performed.
  • the method may include forming an upper configured to receive a foot of a wearer.
  • Forming the upper may include selectively attaching inner reinforcing material 190 to skin layer 185 using ultrasonic welding. (In some embodiments, other welding techniques may be utilized.)
  • the method may further include arranging skin layer 185 to form at least a portion of the external surface of the upper.
  • Ultrasonically welding inner reinforcing material 190 to skin layer 185 may form bonded area 205 having an externally exposed surface that defines a portion of the external surface of the upper.
  • skin layer 185 may have a first color and the reinforcing material 190 may have a second color that is different from the first color.
  • the externally exposed surface of bonded area 205 may be formed to include portions the reinforcing material 190, thus providing the externally exposed surface of bonded area 205 with a different color than skin layer 185.
  • ultrasonically welding the inner reinforcing material 190 to skin layer 185 to form bonded area 205 may relocate portions of reinforcing material 190 to the external surface of the upper at the externally exposed surface of bonded area 205, thereby providing the externally exposed surface of bonded area 205 with substantially the same color as reinforcing material 190.
  • relocating portions of reinforcing material 190 to the external surface of the upper may include pressing the portions of reinforcing material 190 through openings in the mesh material of skin layer 185.
  • selectively attaching the inner reinforcing material 190 to certain portions of skin layer 185 may form reinforced portions of skin layer 185, leaving unreinforced portions of skin layer 185 that provide direct ventilation, through the mesh material of skin layer 185, to an internal void defined by the upper.
  • Ultrasonically welding reinforcing material 190 to skin layer 185 to form bonded area 205 may include forming lines of bonded material extending between components of the article of footwear.
  • forming lines of bonded material may include forming lines of bonded material extending from the sole structure of the article of footwear to the reinforcing strip proximate to the instep region of the article of footwear.
  • a stylus-like ultrasonic horn 240 may be moved in a desired pattern.
  • ultrasonic horn 240 may be an elongate structure formed in the desired pattern. Such an elongate ultrasonic horn may simply be pressed against the material to be welded and the ultrasonic vibrations activated.
  • Some embodiments may use one or more ultrasonic welding techniques using an elongate horn that are discussed in Beye et al., U.S. Patent Application Publication No. , published , (now U.S. Patent Application No. 13/741,428, filed January 15, 2013 , and entitled "Spacer Textile Material with Tensile Strand Having Multiple Entry and Exit Points" (Attorney Docket No. 51 -2687)).
  • exemplary articles of footwear may include an additional layer of material located between a portion of the skin layer and a portion of the reinforcing material.
  • an additional layer of material may include a compressible foam material, which may provide comfort, protection, and a close fit.
  • a compressible foam layer may be provided, for example, in a tongue portion of the upper of the article of footwear. Lines of bonded area may enclose a pocket between the skin layer and the reinforcing material, in which the compressible foam layer may be disposed.
  • multiple compressible foam pads may be provided proximate one another. For example, multiple compressible foam pads may be separated by lines of bonded area. Such an arrangement may produce a quilted configuration, which may provide comfort to the instep region of the footwear.
  • FIG. 12 illustrates a view of footwear 100 with tongue 800 substantially exposed.
  • upper 110 may include a tongue 800, which may be formed of multiple layers that may be joined using welding or stitching.
  • tongue 800 may be formed of multiple layers that may be joined using welding or stitching.
  • multiple bonded areas 805, in the form of lines, may be provided to selectively attach reinforcing material 190 to skin layer 885.
  • stitching 840 may secure reinforcing material 190 to skin layer 885 in certain portions of tongue 800, such as a peripheral edge, as shown in FIG. 12 .
  • footwear 100 may include an additional layer of material located between a portion of skin layer 885 and a portion of reinforcing material 190.
  • the additional layer of material may include a compressible foam material.
  • a first pocket 810 between skin layer 885 and reinforcing material 190 may house a first foam pad 815.
  • First pocket 810 may be enclosed by a plurality of bonded area lines that define a polygonal pocket. For example, as shown in FIG. 12 , a first bonded area line 820, a second bonded area line 825, a third bonded area line 830, and a fourth bonded area line 835 may enclose first pocket 810.
  • At least one additional foam pad may be provided in tongue 800.
  • a second foam pad 845 may be provided in a second pocket 850.
  • Second pocket 850 may be enclosed by a fifth bonded area line 855, a sixth bonded area line 860, a seventh bonded area line 865, and fourth bonded area line 835.
  • First foam pad 815 and second foam pad 845 may be disposed substantially proximate one another, thereby forming a substantially quilted configuration.
  • FIG. 13 shows a cross-sectional view taken at line 13-13 of FIG. 12 .
  • first foam pad 815 may be disposed within first pocket 810 between skin layer 885 and reinforcing material 190.
  • foam pad 845 may be disposed within second pocket 850.
  • second bonded area line 825 and third bonded area line 830 define boundaries of first pocket 810.
  • sixth bonded area line 860 and seventh bonded area line 865 define boundaries of second pocket 850.
  • FIG. 14 shows a cross-sectional view taken at line 14-14 of FIG. 12 , which is substantially perpendicular to line 13-13 at which the cross section in FIG. 13 is taken.
  • tongue 800 may also include a third foam pad 846 and a fourth foam pad 847 disposed between liner 890 and skin layer 885.
  • liner 890 may be formed of reinforcing material 190. Therefore, liner 890 may provide structural support to tongue 800.
  • reinforcing material 190 may be joined to skin layer 885 to form a plurality of bonded areas.
  • reinforcing material 190 may be welded to skin layer 885 to form an eighth bonded area line 901 and a ninth bonded area line 902.
  • Eighth bonded area line 901 and ninth bonded area line 902 may separate third foam pad 846 from first foam pad 815.
  • fourth bonded area line 835 and a tenth bonded area line 904 may separate first foam pad 815 and fourth foam pad 847.
  • upper edge 905 may be formed using welding or by another bonding process.
  • Upper edge 905 may form at least one side of the pocket within which third foam pad 846 is disposed.
  • a lower edge 906 may be formed using welding or by another bonding process.
  • Lower edge 905 may form at least one side of the pocket within which fourth foam pad 847 is disposed.

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Claims (15)

  1. Un article chaussant (100) incluant une structure de semelle (105) fixée à demeure à une tige (110) configurée pour recevoir un pied d'un porteur, la tige (110) comprenant :
    une couche superficielle (185) formant au moins une partie d'une surface externe de la tige (110) ; et
    un matériau de renforcement (190) situé sélectivement à l'intérieur et adjacent à des parties de la couche superficielle (185), définissant ainsi des parties renforcées de la couche superficielle (185) et des parties non renforcées (311, 312, 313, 314, 315, 316, 317, 318) de la couche superficielle (185) ;
    sachant que le matériau de renforcement (190) est joint sélectivement à la couche superficielle (185) au niveau d'une zone liée (321, 322, 323, 324) par soudage, la zone liée (321, 322, 323, 324) ayant une surface extérieurement exposée qui définit une partie de la surface extérieure de la tige (110) ;
    sachant que la couche superficielle (185) présente une première couleur et le matériau de renforcement (190) présente une seconde couleur différant de la première couleur ; et
    sachant que, au niveau de la zone liée (321, 322, 323, 324), la couche superficielle (185) est incorporée dans le matériau de renforcement (190) de manière que la surface extérieurement exposée de la zone liée (321, 322, 323, 324) comprend des parties du matériau de renforcement (190) et est essentiellement de la même couleur que le matériau de renforcement (190).
  2. L'article chaussant (100) d'après la revendication 1, sachant que la zone liée (321, 322, 323, 324) comprend des lignes de matériau lié s'étendant entre les composants de l'article chaussant (100).
  3. L'article chaussant (100) d'après la revendication 2, sachant que les lignes de matériau lié s'étendent depuis la structure de semelle (105) à une bande de renforcement à proximité d'une région du cou-de-pied de l'article chaussant.
  4. L'article chaussant (100) d'après la revendication 1, sachant que l'article chaussant inclut une couche supplémentaire de matériau située entre une partie de la couche superficielle (185) et une partie du matériau de renforcement (190).
  5. L'article chaussant (100) d'après la revendication 4, sachant que la couche supplémentaire de matériau comprend un matériau en mousse compressible.
  6. L'article chaussant (100) d'après la revendication 5, sachant que la couche supplémentaire de matériau est fournie dans une partie de languette (800) de la tige (110).
  7. L'article chaussant (100) d'après la revendication 5,
    sachant que la couche supplémentaire de matériau en mousse compressible est fournie dans une poche entre la couche superficielle (185) et le matériau de renforcement (190), et entourée par la zone liée (321, 322, 323, 324).
  8. L'article chaussant (100) d'après la revendication 1, sachant que la couche superficielle (185) est formée d'un matériau en maille.
  9. L'article chaussant (100) d'après la revendication 8,
    sachant que les parties non renforcées (311, 312, 313, 314, 315, 316, 317, 318) de la couche superficielle (185) assurent une ventilation directe, à travers le matériau en maille de la couche superficielle (185), jusqu'à un vide interne (130) défini par la tige (110).
  10. Un procédé de fabrication d'un article chaussant (100), incluant la formation d'une tige (110) configurée pour recevoir un pied d'un porteur, comprenant le fait de :
    attacher sélectivement un matériau de renforcement intérieur (190) à une couche superficielle (185) par soudage ; et
    agencer la couche superficielle (185) pour former au moins une partie d'une surface externe de la tige (110) ;
    sachant que la couche superficielle (185) présente une première couleur et le matériau de renforcement interne (190) présente une seconde couleur qui diffère de la première couleur ; et
    sachant que le soudage du matériau de renforcement intérieur (190) à la couche superficielle (185) forme une zone liée (321, 322, 323, 324) ayant une surface extérieurement exposée qui définit une partie de la surface extérieure de la surface extérieure de la tige (110), sachant qu'au niveau de la zone liée (321, 322, 323, 324) la couche superficielle (185) est incorporée dans le matériau de renforcement interne (190) de manière que la surface extérieurement exposée de la zone liée (321, 322, 323, 324) inclut des parties du matériau de renforcement interne (190) et présente essentiellement la même couleur que le matériau de renforcement interne (190).
  11. Le procédé d'après la revendication 10, sachant que la couche superficielle (185) est formée d'un matériau en maille.
  12. Le procédé d'après la revendication 11,
    sachant que le fait d'attacher sélectivement du matériau de renforcement interne (190) à la couche superficielle (185) forme des parties non renforcées (311, 312, 313, 314, 315, 316, 317, 318) de la couche superficielle (185) qui fournissent une ventilation directe, à travers le matériau en maille de la couche superficielle (185), à un vide interne défini par la tige (110).
  13. Le procédé d'après la revendication 10, sachant que le soudage du matériau de renforcement intérieur (190) à la couche superficielle (185) pour former la zone liée (321, 322, 323, 324) inclut la formation de lignes de matériau lié s'étendant entre des composants de l'article chaussant (100).
  14. Le procédé d'après la revendication 13, incluant en outre la fixation à demeure d'une structure de semelle (105) à la tige (110) ;
    sachant que la formation des lignes de matériau lié inclut la formation de lignes de matériau lié s'étendant de la structure de semelle (105) de l'article chaussant (100) à une bande de renforcement proche d'une région de cou-de-pied de l'article chaussant (100).
  15. Le procédé d'après la revendication 10, sachant que le soudage du matériau de renforcement intérieur (190) à la couche superficielle (185) comprend un parmi un soudage par ultrasons et un soudage par radiofréquence.
EP14731853.9A 2013-05-07 2014-05-06 Article de chaussure ayant une tige soudée Active EP2948012B1 (fr)

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US13/888,832 US20130312284A1 (en) 2011-05-27 2013-05-07 Article of Footwear Having Welded Upper
PCT/US2014/036894 WO2014182651A1 (fr) 2013-05-07 2014-05-06 Article de chaussure ayant une tige soudée

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US11926115B2 (en) 2018-05-08 2024-03-12 Puma SE Method for producing a sole of a shoe, in particular of a sports shoe
US12109775B2 (en) 2021-12-22 2024-10-08 Puma SE Method for producing a sole of a shoe

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WO2019217599A1 (fr) * 2018-05-08 2019-11-14 Nike Innovate C.V. Collage entre des textiles et des tiges en polyoléfine et articles chaussants formés à partir de ceux-ci
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Also Published As

Publication number Publication date
WO2014182651A1 (fr) 2014-11-13
CN107125833B (zh) 2020-05-05
WO2014182651A8 (fr) 2015-10-15
CN105050442A (zh) 2015-11-11
CN107125833A (zh) 2017-09-05
EP3434128A1 (fr) 2019-01-30
EP2948012A1 (fr) 2015-12-02
EP3434128B1 (fr) 2022-12-21
CN105050442B (zh) 2017-07-14

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