EP3697244B1 - Article chaussant comportant un élément externe et un élément interne - Google Patents

Article chaussant comportant un élément externe et un élément interne Download PDF

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Publication number
EP3697244B1
EP3697244B1 EP18799954.5A EP18799954A EP3697244B1 EP 3697244 B1 EP3697244 B1 EP 3697244B1 EP 18799954 A EP18799954 A EP 18799954A EP 3697244 B1 EP3697244 B1 EP 3697244B1
Authority
EP
European Patent Office
Prior art keywords
footwear
article
knitted component
inner element
fastening system
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
EP18799954.5A
Other languages
German (de)
English (en)
Other versions
EP3697244A1 (fr
Inventor
Torrey J. BELL
David E. GRELEWICZ
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
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Nike Innovate CV USA
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Filing date
Publication date
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Publication of EP3697244A1 publication Critical patent/EP3697244A1/fr
Application granted granted Critical
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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
    • A43B23/025—Uppers; Boot legs characterised by the constructive form assembled by stitching
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B19/00—Shoe-shaped inserts; Inserts covering the instep
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A43B3/0042—Footwear characterised by the shape or the use characterised by a special shape or design with circular or circle shaped parts
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/12—Slide or glide fastenings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/10—Patterned fabrics or articles
    • D04B1/102—Patterned fabrics or articles with stitch pattern
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
    • D04B1/24—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/26—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel stockings
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B9/00—Circular knitting machines with independently-movable needles
    • D04B9/42—Circular knitting machines with independently-movable needles specially adapted for producing goods of particular configuration
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/001—Golf shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/02—Football boots or shoes, i.e. for soccer, football or rugby
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0401—Snowboard boots
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0482—Ski or like boots characterised by type or construction details made from materials with different rigidities
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/06—Running shoes; Track shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/10—Tennis shoes
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/03—Shape features
    • D10B2403/032—Flat fabric of variable width, e.g. including one or more fashioned panels
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments
    • D10B2501/043—Footwear

Definitions

  • Conventional articles of footwear generally include two primary elements: an upper and a sole structure.
  • the upper is generally secured to the sole structure and may form a void within the article of footwear for comfortably and securely receiving a foot.
  • the sole structure is generally secured to a lower surface of the upper so as to be positioned between the upper and the ground.
  • the sole structure may include a midsole and an outsole.
  • the midsole may be formed from a polymer foam material that attenuates ground reaction forces to lessen stresses upon the foot and leg during walking, running, and other ambulatory activities.
  • the outsole may be secured to a lower surface of the midsole and may form a ground-engaging portion of the sole structure that is formed from a durable and wear-resistant material.
  • the upper of the article of footwear generally extends over the instep and toe areas of the foot, along the medial and lateral sides of the foot, and around the heel area of the foot and in some instances under the foot. Access to the void in the interior of the upper is generally provided by an ankle opening in and/or adjacent to a heel region of the footwear.
  • a lacing system is often incorporated into the upper to adjust the fit of the upper, thereby facilitating entry and removal of the foot from the void within the upper.
  • the upper may include a tongue that extends under the lacing system to enhance adjustability of the footwear, and the upper may incorporate other structures such as, for example, a heel counter to provide support and limit movement of the heel.
  • EP 1 486 131 A1 discloses a shoe having an upper and an external sole.
  • a force transmission and maintenance framework is made by an inextensible plastic material for transmitting foot maintenance and tightening stress.
  • the framework has a counter heel that has an upper part with two lacing straps having a loop to receive a lace for tightening the framework around the foot.
  • An outer envelope covers units of the framework.
  • the objective technical problem to be solved may be considered to consist in overcoming or at least reducing the shortcomings of prior art articles of footwear and methods of forming an article of footwear.
  • an article of footwear is provided according to the subject matter of claim 1.
  • Certain aspects of the present disclosure relate to uppers configured for use in an article of footwear and/or other articles, such as articles of apparel.
  • articles of footwear the disclosure may describe basketball shoes, running shoes, biking shoes, cross-training shoes, football shoes, golf shoes, hiking shoes and boots, ski and snowboarding boots, soccer shoes, tennis shoes, and/or walking shoes, as well as footwear styles generally considered non-athletic, including but not limited to dress shoes, loafers, and sandals.
  • FIG. 1 is an illustration showing an article of footwear 100 having an upper 102, where the upper 102 includes two primary elements: an outer element 104 and an inner element 106.
  • the inner element 106 and the outer element 104 may be formed as a textile. While non-textile materials are contemplated for either of these elements, the outer element 104 and the inner element 106 are described as being primarily formed with textile materials in this disclosure for simplicity of description.
  • the textile(s) may be any suitable type of textile (e.g., a woven or non-woven textile), and in some embodiments the textile(s) may be formed as a knitted component through the mechanical manipulation of yarns.
  • the upper 102 may be secured to a sole structure 108.
  • the area where the sole structure 108 joins the upper 102 may be referred to as a biteline 1 16.
  • the upper 102 may be joined to the sole structure 108 in a fixed manner using any suitable technique, such as through the use of an adhesive, by sewing, etc.
  • the sole structure 108 may define the bottom surface of a void 1 18 for receiving and accommodating a user's foot.
  • the void 1 18 may be accessible through an ankle opening 120, which may be surrounded by a collar 122.
  • the upper 102 may include a lateral side 1 10 and a medial side 1 12.
  • a throat area 1 14 may be included between the lateral side 1 10 and the medial side 1 12, and the throat area 1 14 may be positioned to cover the top (dorsal) surface of the foot during typical use.
  • a midfoot area 124 of the upper 102 may be located between a heel area 126 and a toe area 128.
  • the throat area 1 14 may be primarily located in the midfoot area 124.
  • an optional tongue may be disposed at least partially in the throat area 1 14.
  • the tongue may be any type of tongue, such as a gusseted tongue or a burrito tongue. If a tongue is not included (or in combination with a tongue), the lateral and medial sides of the throat area 1 14 may be joined together.
  • the upper 102 may be formed with a knitted component (or another suitable textile component).
  • the outer element 104 is primarily formed of a first knitted component 130
  • the inner element 106 is primarily formed of a second knitted component 132.
  • Each of the knitted components 130, 132 may be formed as an integral one-piece element during a knitting process, such as a weft knitting process (e.g., with a flat knitting machine or circular knitting machine), a warp knitting process, or any other suitable knitting process. That is, the knitting process on the knitting machine may substantially form the knit structure of the knitted components without the need for significant post-knitting processes or steps.
  • two or more portions of at least one of the knitted components 130, 132 may be formed separately as distinct integral one-piece elements and then the respective elements attached (e.g., via sewing).
  • Forming the outer element 104 and the inner element 106 with the respective knitted components 130, 132 may provide the outer element 104 and the inner element 106 with advantageous characteristics including, but not limited to, a particular degree of elasticity (for example, as expressed in terms of Young's modulus), breathability, bendability, strength, moisture absorption, weight, abrasion resistance, and/or a combination thereof.
  • a particular degree of elasticity for example, as expressed in terms of Young's modulus
  • a particular single layer or multi-layer knit structure e.g., a ribbed knit structure, a single jersey knit structure, or a double jersey knit structure
  • a particular material e.g., a polyester material, a relatively inelastic material, or a relatively elastic material such as spandex
  • yarns of a particular size e.g., denier
  • the weight of the upper 102, and thus the overall weight of the article of footwear 100, may be reduced with respect to alternative components typically used in footwear.
  • the knitted components 130, 132 may also provide desirable aesthetic characteristics by incorporating yarns having different colors, textures or other visual properties arranged in a particular pattern.
  • the yarns themselves and/or the knit structure formed by one or more of the yarns of the knitted components may be varied at different locations to provide different knit portions with different properties (e.g., a portion forming the throat area 1 14 of the first knitted component 130 may be relatively elastic while a portion forming the heel area 126 or another area may be relatively inelastic).
  • the first knitted component 130 and/or the second knitted component 132 may incorporate one or more materials with properties that change in response to a stimulus (e.g., temperature, moisture, electrical current, magnetic field, or light).
  • a stimulus e.g., temperature, moisture, electrical current, magnetic field, or light
  • the first knitted component 130 may include yarns formed of a thermoplastic polymer material (e.g., a polyurethane, polyamide, polyolefin, and/or nylon) that transitions from a solid state to a softened or liquid state when subjected to certain temperatures at or above its melting point and then transitions back to the solid state when cooled.
  • a thermoplastic polymer material e.g., a polyurethane, polyamide, polyolefin, and/or nylon
  • the thermoplastic polymer material may provide the ability to heat and then cool a portion of the first knitted component 130 to thereby form an area of bonded or continuous material (herein referred to as a "fused area") that exhibits certain advantageous properties including a relatively high degree of rigidity, strength, and water resistance, for example. Similar materials and processes could be used when forming the second knitted component 132.
  • FIG. 2 is an illustration showing the first knitted component 130 (i.e., forming the outer element 104 of FIG. 1 ) as may appear after formation on a knitting machine, but before being folded or otherwise oriented into a wearable shape.
  • a lateral heel portion 136 and a medial heel portion 138 may be joined (e.g., via sewing), which may occur before, during, or after attachment of the first knitted component 130 with another component of the article of footwear (and potential with the assistance of a foot- shaped last).
  • Other shapes of the first knitted component 130 are also completed.
  • one of the lateral heel portion 136 and medial heel portion 138 may wrap all the way around the heel and join to another edge of the first knitted component 130 on the opposite respective side (e.g., the medial heel portion 138 may be absent, and the lateral heel portion 136 may wrap around and join on the medial side). Any other suitable shape and folding/shaping method may be used.
  • the first knitted component 130 may be formed as a continuous and integral one-piece element using any suitable knitting process.
  • the first knitted component 130 if formed using a flat-knitting process (e.g., through weft or warp knitting on a multi-bed flat knitting machine).
  • a knit structure formed on a flat knitting machine is referred to as a "flat-knit structure.”
  • One skilled in the art can typically detect a flat- knit structure upon examination of the structural characteristics of a sample.
  • a two-bed flat knitting machine may be able to create a variety of double- jersey knit structures providing a variety of characteristics.
  • a "double jersey knit structure" is defined generally as any knit structure formed on two needle beds and utilizing at least one needle from each bed, including (but not limited to) a full rib knit structure, a 1x1, 2x1 , and 3x1 rib structure, an interlock knit structure, a half and full cardigan knit structure, a half and full milano structure, etc.
  • a double jersey full interlock structure may be used, which may provide the first knitted component 130 with a relatively low elasticity when compared to certain other knitted components, particularly when the first knitted component 130 is formed with yarns that are relatively rigid/inelastic.
  • Forming the first knitted component 130 on a two-bed flat knitting machine may also allow for the incorporation of certain features that are more difficult or impossible to achieve on other types of machines.
  • the first knitted component 130 may be formed with inlaid components, such as inlaid tensile strands for increasing rigidity as described in U.S. Patent Application Publication No. 2015/0359290 , U.S. Patent Application Publication No. 2014/0237861 , and U.S. Patent No. 9,145,629 .
  • the flat knitting machine may provide the ability to form the first knitted component with a multi-layer knit structure such that an outer surface of the first knitted component 130 has different characteristics than its inner surface.
  • the outer surface 140 of the first knitted component 130 may include a fused area formed by heat-processed yarns including at least one thermoplastic polymer material, such as thermoplastic polyurethane, while an inner surface is formed of a softer material (such as a polyester). Similar features and several related advantages are described in U.S. Patent Application Publication No. 2017/0245582 . Using a two-bed flatting knitting machine may also provide the ability to form the first knitted component 130 with complex visual patterns and other visual affects due to the types of double-jersey and other knit structures available, which is particularly desirable since the first knitted component 130 may form the outer, visible surface of the article of footwear.
  • different zones of the first knitted component 130 may have different characteristics.
  • the different characteristics may be provided by using different knit structures, different yarn types, by processing the zones differently after knitting (e.g., by heat processing some zones and not others), or a combination thereof.
  • a first zone 142 located in the throat area 1 14 and/or the collar 122 may be highly elastic due to the use of an elastic knit structure and/or the use of a relatively elastic yarn.
  • the first knitted component 130 may be capable of stretching in a desirable manner around the top (dorsal) surface of the foot to provide a comfortable fit (and, as described below, such that it can stretch around a fastening system).
  • Other zones may be formed to be less elastic.
  • a second zone 144 in the heel area 126 of the first knitted component 130 may have a relatively low elasticity to provide structural integrity in the heel area 126.
  • Other areas, such a third zone 146 in the midfoot area 124, may have a different elasticity than that of the first zone 142 and/or the second zone 144.
  • Relative elasticities of the zones (and also of different knitted components) may be determined by applying a known tensile force (e.g., on a tensometer) to the respective zones (or components) and then measuring the degree of stretch or displacement. For example, when one zone or component stretches twice as much under as another under the same tensile force (e.g., 20 pounds), it is said to have twice the elasticity.
  • the zones of the first knitted component 130 may also, or alternatively, vary in certain characteristics other than elasticity. In some embodiments, for example, certain zones may have different surface characteristics than other zones.
  • the third zone 146 in the midfoot area 124 may be formed with a material providing desirable grip/friction with a surface of a ball (e.g., a soccer ball). Such a surface may be provided by forming a fused area at the third zone 146.
  • a fused area for its desirable surface characteristics is described in U.S. Provisional Patent Application Serial No. 62/502,362 .
  • FIG. 3 is an illustration showing an exploded view of the article of footwear 100 depicted in FIG. 1 .
  • the outer element 104 has been folded into a wearable shape (e.g., by securing the medial heel portion 138 to the lateral heel portion 136 at a seam 148), but it is noted that the shaping procedure does not necessarily have to be completed prior to assembling the first knitted component 130 with the second knitted component 132.
  • the thread (or other object) used to form the seam 148 may additionally secure to the second knitted component 132 in the heel area 126, thus providing a point of connection between the first knitted component 130 and the second knitted component 132.
  • first knitted component 130 and the second knitted component 132 are also contemplated, and in some embodiments, they may not be directly connected at all (e.g. where the first knitted component 130 and/or the second knitted component 132 is removable, or where they are indirectly connected through the sole structure 108, for example).
  • the first knitted component 130 and the second knitted component 132 are formed separately using different knit processes.
  • the first knitted component 130 is formed on a flat knitting machine (which is described in more detail above with reference to FIG. 2 ), while the second knitted component 132 is formed on a circular knitting machine (as described in more detail below).
  • at least one area of the first knitted component 130 may be less elastic than an area of the second knitted component 132.
  • the entirety of the first knitted component 130 may be less elastic than the entirety of the second knitted component 132 in at least one direction (and potentially all directions). This may be advantageous for providing an elastic and soft inner element 106 may be better suited for contact with a user's foot (e.g., due to comfort), while also providing a relatively rigid and protective outer element 104.
  • the second knitted component 132 may include an overfoot portion 150 and an underfoot portion 152.
  • the underfoot portion 152 may be located on the bottom side of the second knitted component 132 (e.g., when the article of footwear 100 is placed on the ground in a typical orientation), and therefore the underfoot portion 152 may be associated with a plantar aspect of the foot (also known as the sole or bottom of the foot).
  • the underfoot portion 152 of the second knitted component 132 may contact the foot (or sock) of a wearer when the foot is placed in the void, and thus it is contemplated that the materials and knit structure used to form the underfoot portion 152 may be selected for softness, compliability, elasticity, and other characteristics associated with comfort.
  • a secondary element such as a cushioning insert
  • the second knitted component 132 may also include an overfoot portion 150 on its top side, where the overfoot portion 150 is associated with the dorsal surface of the foot (also known as the foot's top surface).
  • a single course in the forefoot portion 153 of the second knitted component 132 may wrap completely around the perimeter of a user's forefoot.
  • the circular/tubular structure of the second knitted component 132 may be accomplished by knitting the second knitted component 132 using a circular knitting machine.
  • a circular knitting machine may have a plurality of needles arranged in a circular pattern such that, as a yarn feeder moves around the circular pattern as it feeds yarn to the needless, the circular knitting machine forms a tubular structure having a perimeter surrounding a void (which may correspond with the void 1 18 surrounded by the second knitted component 132).
  • specific examples of knitting processes that may be used on a circular knitting machine include wide tube circular knitting, narrow tube circular knitting, narrow tube circular knit jacquard, single knit circular knit jacquard, double knit circular knit jacquard, and the like.
  • circularknitting machines may be able to form knit structures similar to the double-jersey structures described above, but not all circular knitting machines are capable of forming double-jersey structures.
  • a circular knitting machine when a circular knitting machine is used to form a knit structure, that knit structure is referred to as a "circular-knit structure.”
  • a circular-knit structure can typically be recognized by one skilled in the art upon examination of the structure of the sample.
  • any one of the above-described circular-processes (or other suitable circular-knit processes), or a combination of more than one, can be used to form the second knitted component 132. If the second knitted component 132 is initially formed as a tubular structure with two open ends, one end can be closed by forming a seam 148 (e.g., by sewing, using an adhesive, etc.). The other opening may be left open to form the ankle opening 120 to provide access to the void 118.
  • the article of footwear 100 may include a fastening system 154 secured to the inner element 106.
  • the fastening system 154 may be located in the throat area 1 14 of the inner element 106, as depicted. Any suitable type of fastening system may be used, such as the depicted lace 157 (i.e., a shoelace), a cable-tensioning system (shown in FIGS. 5-6 ), and/or any other suitable device.
  • the fastening system 154 may be adjustable such that it pulls the inner element 106 around the foot when tightened, thus securing the foot in the void 1 18 and providing a comfortable fit.
  • the inner element 106 may include a set of openings 156 for receiving the fastening system, but other suitable element(s) may alternatively be used.
  • the openings 156 may be formed through any suitable process.
  • a piece of the second knitted component 132 may be cut away, punched away, or otherwise removed to form the openings 156 after the knitting process.
  • the openings 156 may be formed by a particular knit structure of the second knitted component 132. For example, during a knitting process on a knitting machine with at least one needle bed, one or more of needles of the needle bed(s) may be skipped while forming certain courses such that a void is formed, and that void may eventually define the openings 156.
  • openings 156 may additionally or alternatively be used to form the openings 156.
  • the openings 156 are formed by particular knit structures rather than by removing a portion of the second knitted component 132 through cutting, punching, or another method, the openings 156 are said to be "knit-formed" in this disclosure.
  • the outer element 104 may also have openings to provide a user with additional access to the fastening system 154.
  • the sole structure 108 may include an optional midsole 158 and an outsole 160, but any other sole structure is contemplated.
  • the outer element 104 may secure to the sole structure at a biteline 1 16 through sewing, using an adhesive, or by any other suitable device or method.
  • the inner element 106 may secure at the biteline 1 16 and/or the top surface 161 of the sole structure 108 (and it is noted that the top surface 161 does not have to be a top surface of a midsole 158, but could alternatively be a surface of another sole structure component).
  • a substantial portion of the underfoot portion 152 may be adhered to the to surface 161 of the sole structure 108 using an adhesive.
  • At least one area of the underfoot portion 152 may be advantageous for at least one area of the underfoot portion 152 to remain free (e.g., movable) with respect to the top surface of the sole structure 108 to reduce friction between the sole structure 108 and the foot of user.
  • additional elements e.g., cushioning elements
  • FIG. 4 is an illustration showing the article of footwear 100 an assembled or wearable state.
  • the outer element 104 is shown as transparent in FIG. 4 for purposes of illustration.
  • the outer element 104 may cover the fastening system 154. That is, the fastening system 154 may be between the outer element 104 and the inner element 106.
  • the fastening system 154 may not interfere with or otherwise affect the characteristics of the outer surface 140 of the article of footwear 100. This may be particularly advantageous where the outer element 104 is given surface characteristics for a particular activity (e.g., for kicking a ball).
  • the article of footwear 100 when the article of footwear 100 is a shoe designed for playing soccer, a user may advantageously have an outer surface 140 that has desirable characteristics for making contact with a soccer ball even at the throat area 1 14.
  • the fastening system 154 may be protected by the outer element 104 to prevent an unintentional release (e.g., due to the loosening or releasing of a knot of a shoelace). This feature may make the present embodiments suitable for situations where retaining tightness and/or a proper fit is of high importance (e.g., when the article of footwear 100 is used in a manufacturing or construction environment).
  • FIG. 5 is an illustration showing an exploded view of another embodiment of an article of footwear 200.
  • the article of footwear 200 is similar to the article of footwear 100 describe above, but the fastening system 254 is different.
  • the fastening system 254 may be a cable tensioning system having a cable 262 (which may be any suitable elongated portion of material, and may be similar or identical to the lace 157 described above with reference to FIG. 3 ).
  • the cable 262 may be deployed through the openings 256 of the inner element 206.
  • the cable may be pulled tight, and a fastener 264 may be used to lock in the tension.
  • the fastener 264 may have a button, switch, or other activator such that the user can select whether it's in a locked or unlocked state.
  • the fastener may be moved towards the inner element 206 and then locked at a particular location relative to the cable 262 (e.g., such that it is fixed with respect to the cable 262 when locked).
  • the fastener may be moved away from the inner element 206 along the cable 262.
  • This embodiment may be particularly advantageous because it does not require a lot of space (and thus it can fit easily between the outer element 204 and the inner element 206 without creating too much bulk), and because it is relatively easy to adjust (thus decreasing the impact of interference during fastening due to hand-contact with the outer element 204).
  • one of the user's hands could be used to pull away on outer element 204 to create space, and the other of the user's hands could reach into the space to adjust the fastening system 254.
  • Other suitable fastening systems are also contemplated.
  • FIG. 6 is an illustration showing the article of footwear 200 of FIG. 5 in an assembled or wearable state.
  • the fastening system 254 may be fully or substantially covered.
  • the fastening system 254 is depicted as extending beyond the outer element 204, but in other embodiments, the cable 262 may be too short to extend that far.
  • the outer element 204 may have different zones with different characteristics. Focusing on the first zone 242, it may be advantageous for the first zone 242 to have a relatively high elasticity (at least when compared to other zones of the outer element 204) to enhance a user's access to the fastening system 254.
  • the first zone 242 (which may be in the throat area 214) may be deformed when a user pulls on a tongue portion 266 to separate the outer element 204 from the inner element 206, thus providing room or space for operating the fastening system 254.

Landscapes

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

Claims (9)

  1. Article chaussant (100), l'article chaussant comprenant :
    un élément intérieur (106), l'élément intérieur présentant une partie de dessus de pied et une partie de dessous de pied (152), la partie de dessus de pied (150) présentant une région d'étranglement (114) ;
    un élément extérieur (104) au moins partiellement formé par un premier composant tricoté (130), l'élément extérieur recouvrant la région d'étranglement de l'élément intérieur ;
    un système de fixation (154) attaché à l'élément intérieur dans une région d'étranglement, le système de fixation étant situé entre l'élément intérieur et l'élément extérieur, et l'adaptation du système de fixation adaptant l'ajustage de l'élément intérieur lors de l'utilisation de l'article chaussant ; et
    une structure de semelle (108),
    dans lequel la structure de semelle recouvre au moins partiellement la partie de dessous de pied de l'élément intérieur,
    dans lequel le premier composant tricoté (130) est réalisé en utilisant un procédé de tricotage rectiligne,
    dans lequel l'élément intérieur (106) comprend un deuxième composant tricoté (132) qui présente une structure de tricot circulaire, et
    dans lequel le premier composant tricoté et le deuxième composant tricoté sont réalisés séparément.
  2. Article chaussant (100) selon la revendication 1, dans lequel une rangée de mailles de la structure de tricot circulaire s'étend entièrement autour d'un périmètre d'une région d'avant-pied (153) de l'élément intérieur (106).
  3. Article chaussant (100) selon la revendication 1, dans lequel une première zone (142, 242) du premier composant tricoté (130) présente une première élasticité, une deuxième zone (144) du premier composant tricoté présente une deuxième élasticité, la première élasticité est supérieure à la deuxième élasticité, et la première zone est agencée dans la région d'étranglement (114) de l'article chaussant.
  4. Article chaussant (100) selon la revendication 1, dans lequel le système de fixation (154) comprend un fil (262) fixé à l'élément intérieur (106) et une attache (264) qui est apte à coulisser le long du fil dans un état déverrouillé.
  5. Article chaussant (100) selon la revendication 1, dans lequel la partie de dessous de pied (152) de l'élément intérieur (106) est en contact avec une surface supérieure (161) de la structure de semelle (108).
  6. Article chaussant (100) selon la revendication 1, dans lequel l'élément intérieur (106) comprend une pluralité d'ouvertures (156) pour le rattachement au système de fixation (154).
  7. Article chaussant (100) selon la revendication 6, dans lequel les ouvertures (156) sont des ouvertures réalisées par tricotage.
  8. Article chaussant (100) selon la revendication 1, dans lequel l'élément extérieur (104) s'étend de la région d'étranglement (114) à une ligne d'attaque (116) de l'article chaussant.
  9. Procédé de réalisation d'un article chaussant (100), comprenant :
    le tricotage d'un premier composant tricoté (130) sur une machine à tricoter rectiligne, le premier composant tricoté formant un élément extérieur (104) de l'article chaussant, l'élément extérieur définissant une surface extérieure (140) de l'article chaussant, et
    le tricotage d'un deuxième composant tricoté (132) sur une machine à tricoter circulaire, le deuxième composant tricoté formant un élément intérieur (106) de l'article chaussant, l'élément intérieur présentant une partie de dessus de pied et une partie de dessous de pied (152), la partie de dessus de pied (150) présentant une région d'étranglement (114), l'élément intérieur définissant une cavité de l'article chaussant, l'élément extérieur recouvrant la région d'étranglement de l'élément intérieur, le premier composant tricoté et le deuxième composant tricoté étant réalisés séparément,
    l'article chaussant comprenant un système de fixation (154) attaché à l'élément intérieur dans une région d'étranglement (114) de l'article chaussant, le système de fixation étant situé entre l'élément intérieur et l'élément extérieur, et l'adaptation du système de fixation adaptant l'ajustage de l'élément intérieur lors de l'utilisation de l'article chaussant,
    l'article chaussant comprenant en outre une structure de semelle, la structure de semelle recouvrant au moins partiellement la partie de dessous de pied de l'élément intérieur.
EP18799954.5A 2017-10-20 2018-10-18 Article chaussant comportant un élément externe et un élément interne Active EP3697244B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/789,579 US20190116932A1 (en) 2017-10-20 2017-10-20 Article of footwear with an outer element and an inner element
PCT/US2018/056471 WO2019079568A1 (fr) 2017-10-20 2018-10-18 Article chaussant comportant un élément externe et un élément interne

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EP3697244A1 EP3697244A1 (fr) 2020-08-26
EP3697244B1 true EP3697244B1 (fr) 2022-08-03

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EP (1) EP3697244B1 (fr)
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US20190116932A1 (en) 2019-04-25
CN111246765A (zh) 2020-06-05
WO2019079568A1 (fr) 2019-04-25
EP3697244A1 (fr) 2020-08-26

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