EP1827156B1 - Éléments d'amortissement d'impact et produits personnalisables contenant lesdits éléments - Google Patents

Éléments d'amortissement d'impact et produits personnalisables contenant lesdits éléments Download PDF

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Publication number
EP1827156B1
EP1827156B1 EP05849634.0A EP05849634A EP1827156B1 EP 1827156 B1 EP1827156 B1 EP 1827156B1 EP 05849634 A EP05849634 A EP 05849634A EP 1827156 B1 EP1827156 B1 EP 1827156B1
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EP
European Patent Office
Prior art keywords
foot
impact
attenuating
attenuating element
receiving device
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.)
Not-in-force
Application number
EP05849634.0A
Other languages
German (de)
English (en)
Other versions
EP1827156A1 (fr
Inventor
Susan L. Sokolowski
Martin Lotti
Jane Savage
Linda Allen
Maria Joy Kozo
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 International Ltd
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Nike International Ltd
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Filing date
Publication date
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Publication of EP1827156A1 publication Critical patent/EP1827156A1/fr
Application granted granted Critical
Publication of EP1827156B1 publication Critical patent/EP1827156B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/186—Differential cushioning region, e.g. cushioning located under the ball of the foot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/187—Resiliency achieved by the features of the material, e.g. foam, non liquid materials
    • A43B13/188—Differential cushioning regions
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B21/00—Heels; Top-pieces or top-lifts
    • A43B21/36—Heels; Top-pieces or top-lifts characterised by their attachment; Securing devices for the attaching means
    • A43B21/42—Heels with replaceable or adjustable parts, e.g. top lift
    • A43B21/433—Heels with replaceable or adjustable parts, e.g. top lift rotatably mounted
    • 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
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A43B7/1464—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties with adjustable pads to allow custom fit

Definitions

  • the invention relates generally to impact-attenuating elements.
  • Such elements may be provided in a wide variety of different products, e.g ., in footwear products and other foot-receiving devices, such as in the heel and/or toe areas of footwear products.
  • the upper member provides a covering for the foot that securely receives and positions the foot with respect to the sole structure.
  • the upper member may have a configuration that protects the foot and provides ventilation, thereby cooling the foot and removing perspiration.
  • the sole structure generally is secured to a lower portion of the upper member and generally is positioned between the foot and the ground.
  • the sole structure may provide traction and control foot motions, such as pronation. Accordingly, the upper member and the sole structure may operate cooperatively to provide a comfortable structure that is suited for a variety of ambulatory activities, such as walking and running.
  • the sole member or structure of athletic footwear generally has exhibited a layered configuration that includes a comfort-enhancing insole, a resilient midsole formed from a polymer foam material, and a ground-contacting outsole that provides both abrasion-resistance and traction.
  • the midsole is the primary sole structure element that attenuates ground reaction forces and controls foot motions.
  • Suitable polymer foam materials for the midsole include ethylvinylacetate or polyurethane that compress resiliently under an applied load to attenuate ground reaction forces.
  • Conventional polymer foam materials are resiliently compressible, in part, due to the inclusion of a plurality of open or closed cells that define an inner volume substantially displaced by gas.
  • the features of the preamble of claim 1 are known from FR-A-2 634 631 .
  • aspects of this invention relate to foot-receiving devices, and methods of manufacturing foot-receiving devices, comprising the features of claims 1 and 23.
  • Figure 1 illustrates an example impact-attenuating element structure useful in some example aspects of this invention
  • Figures 2A and 2B illustrate inclusion of an impact-attenuating element structure in a piece of footwear in which the impact-attenuating element is oriented for walking;
  • Figures 3A and 3B illustrate inclusion of an impact-attenuating element structure in a piece of footwear in which the impact-attenuating element is oriented for running or jogging;
  • Figures 4A and 4B illustrate inclusion of an impact-attenuating element structure in a piece of footwear in which the impact-attenuating element is oriented for cross-training;
  • Figures 5A and 5B illustrate an example of shapes and changes in orientation of an impact-attenuating element structure in a piece of footwear
  • Figures 6A and 6B illustrate an example of shapes and changes in orientation of another impact-attenuating element structure in a piece of footwear
  • Figures 7A and 7B illustrate an example of shapes and changes in orientation of still another impact-attenuating element structure in a piece of footwear.
  • Figure 8 illustrates an example footwear structure including multiple impact-attenuating elements.
  • Foot-receiving device means any device into which a user places at least some portion of his or her foot.
  • foot-receiving devices include, but are not limited to: bindings and other devices for securing feet in snow skis, cross country skis, water skis, snowboards, and the like; bindings, clips, or other devices for securing feet in pedals for use with bicycles, exercise equipment, and the like; bindings, clips, or other devices for receiving feet during play of video games or other games; and the like.
  • “Footwear” means any type of product worn on the feet, and this term includes, but is not limited to: all types of shoes, boots, sneakers, sandals, thongs, flip-flops, mules, scuffs, slippers, sport-specific shoes (such as golf shoes, tennis shoes, baseball cleats, soccer or football cleats, ski boots, etc.), and the like. "Footwear” may protect the feet from the environment and/or enhance a wearer's performance ( e.g ., physically, physiologically, medically, etc.).
  • the insole, midsole, and/or outsole portions of footwear products may include foam or other materials that attenuate shock and dampen vibrations, e.g ., in the heel and/or toe areas of a shoe.
  • footwear comes with fixed support and/or impact-attenuating characteristics, characteristics that are predetermined by the shoe manufacturer. If a user desires to change the support and/or impact-attenuating characteristics of a piece of footwear, he or she may add separate insole or orthotic elements to the shoe.
  • Such elements typically are not designed to fit into a specific shoe structure, and thus these elements may move around in the shoe, migrate during use, bunch up, and/or take up too much room inside the shoe such that the shoe no longer fits comfortably on the wearer's foot. Also, these elements tend to pull out of the shoe and/or move inside the shoe when the foot is removed, thereby making their use inconvenient and their loss a distinct possibility.
  • Footwear comfort and desired impact-attenuating characteristics for a piece of footwear are not a "one size fits all" proposition. Rather, different support or impact-attenuating characteristics may be desired in a piece of footwear, e.g ., depending on the type of activity engaged in and/or specific characteristics associated with a user and/or a user's typical gait or stride. For example, different support and/or impact-attenuating characteristics may be preferred, depending on whether a particular piece of footwear is designed or being used for walking, jogging, sprinting, track-and-field events, basketball, football, baseball, softball, soccer, cross training, tennis, or other sports. The types of activities in which the user engages also may change over time.
  • some users have a tendency to pronate or supinate in their stride, and such users might benefit from specially positioned support and/or impact-attenuating elements in a piece of footwear.
  • User preference also may play a role in positioning and/or selecting characteristics of support and/or impact-attenuating elements in footwear, e.g ., to help affect or control a user's gait characteristics, to increase comfort, to provide desired support characteristics, etc.
  • aspects of this invention relate to impact-attenuating elements in foot-receiving devices, and methods for making and/or using foot-receiving device products including such elements.
  • this portion of the impact-attenuating element may be maintained in place with respect to the foot-covering member and/or the foot-supporting member.
  • Any desired manner of retaining the impact-attenuating element in place with respect to the remainder of the foot-receiving device structure may be used without departing from the invention, for example, using one or more retaining elements, one or more mechanical connectors, weak adhesives, etc.
  • “Foot-covering members” described and used in examples of the invention include, for example, but are not limited to upper members of the types provided in some conventional footwear products.
  • such "foot-covering members” may include portions that extend at least partially over and/or cover at least some portion of the wearer's foot, e.g ., so as to assist in holding the foot-receiving device in place with respect to the wearer's foot.
  • “Foot-supporting members” described and used in examples of the invention include, for example, but are not limited to sole members of the types provided in some conventional footwear products.
  • foot-supporting members may extend at least partially beneath at least some portion of the wearer's foot, e.g ., so as to assist in attenuating the reaction forces to which the wearer's foot would be exposed, for example, when stepping down in the foot-receiving device.
  • “Ground-contacting elements” or members described and used in examples of the invention include, for example, but are not limited to outsole elements of the types provided in some conventional footwear products.
  • ground-contacting elements may be made of suitable and conventional materials to provide long wear and protect the foot and/or prevent the remainder of the foot-receiving device structure from wear effects, e.g. , when contacting the ground or other surface in use of the foot-receiving device product.
  • Fig. 1 illustrates a first example impact-attenuating element 100 that may be used in accordance with various examples of this invention.
  • This example impact-attenuating element 100 includes a first impact-attenuating material 102 in a first discrete region of the structure 100 and a second impact-attenuating material 104 in a second discrete region of the structure 100.
  • These first and second regions of the impact-attenuating element 100 may combine together to form at least a portion of an overall integral or unitary structure.
  • the two impact-attenuating materials 102 and 104 may be fixed to one another, e.g ., via an adhesive, heat processing, and/or in any other desired or suitable manner.
  • the two impact-attenuating materials 102 and 104 may be maintained as separable elements and held together by external forces in use (e.g ., the user's weight, mechanical connectors, structural elements in the foot-covering member and/or the foot-supporting member, etc.), without departing from the invention.
  • the overall composite structure 100 may take on various sizes and shapes without departing from the invention, in this illustrated example the impact-attenuating element 100 generally is a cylindrically-shaped composite member formed from impact-attenuating materials 102 and 104 with an overall round cross sectional shape.
  • an open space 106 may be defined in the structure, e.g ., at a central portion of the cylindrically-shaped composite member 100. This open space 106, when present, may extend all of the way through member 100 or partially through it.
  • the second impact-attenuating material 104 may differ in various respects compared to the first impact-attenuating material 102 such that at least one impact-attenuating characteristic of the second impact-attenuating material 104 differs from the corresponding characteristic(s) of the first impact-attenuating material 102.
  • the impact-attenuating materials 102 and 104 may be formed from foam or other impact-attenuating material, and the material making up the first impact-attenuating material 102 may have a lower density than the material making up the second impact-attenuating material 104 such that the second impact-attenuating material 104 provides greater support, better stability, and/or a different, more firm impact-attenuating effect as compared to the first impact-attenuating material 102.
  • the first impact-attenuating material 102 may face the second impact-attenuating material 104 along an interface 108, and in at least some example structures, the two impact-attenuating materials 102 and 104 may contact one another along this interface 108.
  • This interface 108 as illustrated in Fig. 1 , may extend along a diagonal of the cylindrically-shaped composite member 100.
  • the area of each transverse cross section parallel with end faces 110a and 110b of the impact-attenuating element 100 will contain a different percentage area of the first impact-attenuating material 102 and the second impact-attenuating material 104.
  • the cross sectional area of each impact-attenuating material 102 and 104 changes continuously along the axial length L of the impact-attenuating element 100.
  • At least one impact-attenuating characteristic of the impact-attenuating element 100 may be controlled by rotating the impact-attenuating element about its longitudinal axis.
  • the example impact-attenuating element 100 illustrated in Fig. 1 has a generally round cross-section with a round central opening 106.
  • both the outer surface 112 and the interior open area 106 of the element 100 may have any desired sizes, relative sizes, and/or shapes without departing from the invention, such as round, square, triangular, other polygons, elliptical, etc.
  • the shapes of the open area 106 and exterior surface 112 also may differ from one another in a given structure without departing from the invention.
  • the impact-attenuating element 100 need not have a right cylindrical shape in all examples of the invention.
  • Other shapes such as non-right cylindrical, spherical, hemispherical, hemi-elliptical, cubic, conical, truncated conical, etc., may be used for the impact-attenuating element overall shape without departing from the invention.
  • no open area 106 need be provided such that the element 100 is a solid or non-hollow material.
  • one or both ends of the open area 106 may be closed off so as to define a closed structure (or partially closed structure) with one or more hollowed out interior portions without departing from the invention.
  • the open area 106 need not extend all the way through the cylindrically-shaped member 100, and it need not be centrally located.
  • Many other variations on the size, shape, location, and arrangement of various parts of the impact-attenuating element structure are possible without departing from the invention, and some additional examples of different shapes and/or arrangements are described in more detail below in conjunction with Figs. 6A through 8 .
  • the impact-attenuating element 100 need not include an impact-attenuating material interface 108 that is a smooth, constantly sloped line or curve in all examples of the invention. Rather, if desired, the interface 108 may be curved or shaped such that some portions of the interface surface are more sloped than other portions. Also, as another example, the interface may be stepped, with constant or differing sized steps, flat or slanted steps, etc., without departing from the invention. In still other examples, if desired, the interface slope or steps on one side of open area 106 may differ ( e.g ., in size slope, number, or orientation, etc.) from the interface slope or steps on the other side of open area 106.
  • interface 108 slope, orientation, size, shape, and/or arrangement may occur without departing from the invention.
  • no clear-cut interface 108 is required in all examples of the invention. Rather, if desired, the density or other impact-attenuating characteristic of the material may change gradually across the volume of the impact-attenuating element 100. In other words, the regions of different impact-attenuating material need not have a clear interface between them in all examples of the invention ( e.g ., a more gradual change in the materials, densities, or regions is possible in at least some examples of the invention).
  • impact-attenuating elements in accordance with at least some examples of the invention are not limited to those having two regions with different impact-attenuating material. Any number of impact-attenuating materials and/or interfaces may be provided in an impact-attenuating element without departing from the invention. Moreover, it is not necessary for the two impact-attenuating materials to differ compositionally.
  • an impact-attenuating element may be constructed from a single piece or type of impact-attenuating material wherein one area or region of a unitary piece of impact-attenuating material is treated in some manner so as to change at least one impact-attenuating characteristic of the material in that region as compared to the corresponding impact-attenuating characteristic(s) of the material in another region.
  • Such treatments may include heat treatment, chemical treatments, addition of foam material modifiers during production of at least one region, laser processing, other processing, etc.
  • each region may comprise a polyurethane foam material, but the foam materials may have different densities.
  • Figs. 2A and 2B illustrate an example foot-receiving device 200 (e.g ., an athletic shoe) that includes an impact-attenuating element 100 like that generally illustrated in Fig. 1 .
  • this example impact-attenuating element 100 includes two regions having two different impact-attenuating materials 102 and 104 (e.g ., polyurethane foam materials of different densities) joined at interface 108.
  • two different impact-attenuating materials 102 and 104 e.g ., polyurethane foam materials of different densities
  • the impact-attenuating element 100 in this example footwear structure 200 is provided as at least a portion of the sole member 202 in the heel area of the shoe 200. More specifically, in this example structure, the impact-attenuating element 100 is provided as a portion of the shoe's midsole 202b, arranged between the outsole member 202c and footwear footbed ( e.g ., the shoe insole 202a and/or upper member 208).
  • the impact-attenuating element 100 may fit into opening(s) or receptacle(s) formed in or provided as part of the midsole 202b, outsole 202c, upper member 208, etc.
  • the axis or axial direction 204 of the impact-attenuating element is arranged such that the axial direction 204 extends through the foot-contacting surface ( e.g ., insole 202a).
  • the sole member 202 may be attached to the footwear upper member 208 in any desired manner, including through the use of stitching, adhesives, and in other conventional manners well known and understood in the art.
  • the sole member 202 and the upper member 208 also may be made from any desired materials and in any desired construction without departing from the invention, including with conventional materials and of conventional constructions known and used in the art.
  • the impact-attenuating element 100 is sandwiched between the footwear footbed and the outsole 202c such that the impact-attenuating element 100 may act akin to a "trampoline" to provide support, stability, and the ability to attenuate ground reaction forces.
  • the athletic shoe 200 may be designed and used for general walking or similar types of exercise or use. Accordingly, the impact-attenuating element 100 is arranged in the heel area of the shoe 200 to provide impact-attenuation and foot support better suited for these types of activities.
  • Fig. 2A shows a view of the shoe upper member 208 and insole 202a with the impact-attenuating element 100 shown in a sectional view at the center of the length L of the element 100 (see Fig. 1 for dimension "L"), and Fig. 2B shows a lateral side view of the shoe 200.
  • the larger volume of impact-attenuating material 102 having a lower density is provided at the backmost heel portion of the shoe 200, and the higher density impact-attenuating material 104 is provided more toward the front of the shoe 104.
  • This orientation and positioning promotes a soft, smooth heel strike when the shoe 200 contacts the ground surface during a walking step.
  • the impact-attenuating element 100 may be rotated somewhat ( e.g ., about axis 204 in the direction of arrow 206) to thereby provide more support in the lateral or medial portions of the shoe 200. Rotation of the impact-attenuating element 100 in this manner may help better support the user's foot such that the step down is better supported, feels more stable, and feels smoother, making the walk more comfortable. Positioning of the impact-attenuating element 100 in the shoe 200 also may ultimately change or affect the user's gait, e.g ., to help reduce or eliminate pronation or supination.
  • the rear heel area of the sole member 202 may be detachably engaged with the upper member 208 and/or another portion of the sole member 202 ( e.g ., near the heel counter area) to allow user access to the impact-attenuating element 100, e.g ., so that it may be repositioned and/or reoriented, if necessary or desired.
  • users may gain access to the impact-attenuating element 100 through an opening provided in the upper member, the midsole member, and/or the insole member, to allow repositioning and/or reorienting of the impact-attenuating element 100.
  • the same impact-attenuating element 100 (and indeed the same overall shoe) may be used for a running shoe product 300 as illustrated in Figs. 3A and 3B .
  • a running shoe product 300 As illustrated in Figs. 3A and 3B .
  • many runners tend to step somewhat toward the lateral (outside) area of the foot. Therefore, runners typically can use more support toward the outside or lateral side of the foot as compared to the medial side.
  • Footwear products and impact-attenuating elements of the types described above may be used to help support the user's foot in a running shoe product.
  • Fig. 3A illustrates a view of the shoe upper member 308 with an impact-attenuating element 100 shown in a sectional view at the center of the length L of the element 100
  • Fig. 3B shows a lateral side view of the shoe 300.
  • the impact-attenuating element 100 in this example structure 300 is like that generally illustrated in Fig. 1 .
  • the impact-attenuating element 100 in this example structure 300 is provided as at least a portion of the sole member 302 in the heel area of the shoe 300.
  • the impact-attenuating element 100 is provided between the shoe's midsole member 302b and the outsole member 302c (optionally, if desired, the impact-attenuating element 100 may fit into openings and/or receptacles provided in the sole structure 302 and/or upper member 308).
  • the axis or axial direction 304 of the impact-attenuating element is arranged such that it extends through the foot-contacting portion.
  • the sole member 302 (which may additionally include an insole 302a) may be attached to the footwear upper member 308 in any desired manner, including in conventional manners well known and understood in the art.
  • the various parts of the sole member 302 and the upper member 308 may be made of any desired materials and in any desired construction without departing from the invention, including from conventional materials and conventional constructions that are well known in the art.
  • the athletic shoe 300 is designed and used for running, jogging, or similar types of exercise. Accordingly, the impact-attenuating element 100 is arranged in the heel area of the shoe 300 to provide impact-attenuation and foot support better suited for these types of activities. As shown in Figs. 3A and 3B , the larger volume of impact-attenuating material 102 having the lower density is provided at the medial heel portion of the shoe 300, and the higher density impact-attenuating material 104 is provided toward the lateral rear heel portion of the shoe 104. The impact-attenuating element 100 also is physically inverted from its orientation shown in Figs. 2A and 2B . Accordingly, when running or jogging, the lateral, rear portion of the user's heel receives the greatest support during a heel strike when the shoe 300 contacts the ground surface in use.
  • individual users may customize the position and/or orientation of the impact-attenuating element 100 with respect to the shoe 300 (e.g., the sole member 302 and/or the upper member 308) to best suit their comfort, running style, typical running speed, etc. This may be accomplished, for example, by rotating the impact-attenuating element 100 somewhat ( e.g ., about axis 304 in the direction of arrow 306) to thereby provide more support in the lateral or medial portions of the shoe 300 ( e.g., depending on the user's preference, typical gait or stride characteristics, etc.). Rotation of the impact-attenuating element 100 in this manner may help such users step down more smoothly, making the run or jog more comfortable. Any type of removable engagement between the impact-attenuating element 100 and the shoe structure 300 may be used so as to enable this type of adjustment and/or customization, if desired, without departing from the invention.
  • a user typically would orient or position the impact-attenuating element 100 differently for use in running and/or as a running shoe product 300 from the manner in which it was oriented or positioned for walking and/or in a walking shoe product 200, as shown in Figs. 2A and 2B .
  • the same physical shoe may be used for each type of activity and a user may simply reposition or reorient the impact-attenuating element 100 at any given time, depending on the type of activity to take place.
  • many variations in the size, shape, structure, orientation, and other characteristics of the impact-attenuating element 100 and the shoe structure 300 may be used without departing from the invention.
  • the same impact-attenuating element 100 (and indeed the same physical shoe product, if desired) also may be used by users involved in cross-training exercises.
  • An example shoe product 400 useful for cross-training purposes is illustrated in Figs. 4A and 4B .
  • cross-training users typically are involved in various different athletic activities, and therefore, their footwear must provide support and impact-attenuation for different potential activities and movements (e.g ., moving forward and/or backward, moving side-to-side ( e.g ., medial-to-lateral movements and vice versa ), rapidly changing directions, etc.).
  • moving forward and/or backward moving side-to-side ( e.g ., medial-to-lateral movements and vice versa ), rapidly changing directions, etc.).
  • moving side-to-side e.g ., medial-to-lateral movements and vice versa
  • rapidly changing directions etc.
  • an impact-attenuating element 100 is oriented to provide greater support toward the outside or lateral side of the foot as compared to the medial side.
  • Footwear products 400 and impact-attenuating elements of the types described above may be used, for example, to help support the user's foot when cycling, stair stepping, rowing, playing ball, or performing other exercises.
  • Fig. 4A illustrates a view of a shoe upper member 408 and insole 402a with an impact-attenuating element 100 shown in a sectional view at the center of the length L of the element 100
  • Fig. 4B shows a lateral side view of the shoe 400.
  • the impact-attenuating element 100 of this example structure 400 is like that generally illustrated in Fig. 1 .
  • the impact-attenuating element 100 in this example structure 400 is provided as at least a portion of the sole member 402 in the heel area of the shoe 400. More specifically, in this example structure 400, the impact-attenuating element 100 is arranged between the outsole member 402c and the shoe midsole 402b.
  • the impact-attenuating element 100 may fit into openings and/or receptacles provided in the sole structure 402 and/or the upper member 408.
  • the impact-attenuating element is arranged in the shoe 400 such that its axis or axial direction 404 again extends through the foot-contacting surface.
  • the sole member 402 may be attached to the footwear upper member 408 in any desired manner, including in conventional manners well known and understood in the art.
  • the various parts of the sole member 402 and the upper member 408 may be made of any desired materials and in any desired construction without departing from the invention, including from conventional materials and conventional constructions known in the art.
  • the athletic shoe 400 is designed and used for cross-training purposes, e.g ., potentially a variety of different exercises and/or activities. Accordingly, in its illustrated arrangement, the impact-attenuating element 100 is provided in the heel area of the shoe 400 to provide impact-attenuation and foot support suitable for different types of activities. As shown in the arrangement of Figs. 4A and 4B , the larger volume of impact-attenuating material 102 having the lower density is provided at the medial heel portion of the shoe 400, and the higher density impact-attenuating material 104 is provided toward the lateral heel portion of the shoe 300. The impact-attenuating element 100 also is physically inverted from its orientation shown in Figs. 2A and 2B and in the same orientation shown in Figs. 3A and 3B . Accordingly, in use, the lateral portion of the user's heel receives the greatest support during use.
  • individual users may customize the position or orientation of the impact-attenuating element 100 with respect to the shoe 400 (e.g ., the sole member 402 and/or the upper member 408) to best suit their comfort, movement style, the type of exercise being performed, etc. This may be accomplished, for example, by rotating the impact-attenuating element 100 somewhat ( e.g ., about axis 404 in the direction of arrow 406) to thereby provide more support in the lateral or medial portions of the shoe 400 ( e.g ., depending on the user's preference, the upcoming activities, etc.). Rotation of the impact-attenuating element 100 in this manner may help such users step down more smoothly, making the exercise more comfortable. Any type of removable engagement between the impact-attenuating element 100 and the shoe structure 400 may be used so as to enable this type of adjustment and/or customization, if desired, without departing from this invention.
  • a user may decide to orient or position the impact-attenuating element 100 differently for cross-training exercises as compared to the manner in which it was oriented or positioned in the running shoe product 300 ( Figs. 3A and 3B ) and/or in the walking shoe product 200 ( Figs. 2A and 2B ).
  • the same physical shoe may be used for each type of activity, and a user may simply reposition or reorient the impact-attenuating element 100 at any time, depending on the type of activity to take place.
  • many variations in the size, shape, structure, orientation, and other characteristics of the impact-attenuating element 100 and the shoe structure 400 may be used without departing from the invention.
  • Figs. 5A and 5B illustrate an overhead view of an impact-attenuating element 100 of the general types described above at various positions and orientations in a heel portion of a foot-receiving device 502.
  • at least a bottom portion of the impact-attenuating element 100 fits into an opening or receptacle 504 defined in a midsole (or other portion) of the foot-receiving device structure 502.
  • the top portion of the impact-attenuating element 100 may be covered so that it does not directly contact the user's foot, e.g ., by a closure element, an insole element or other portion of the foot-receiving device's 502 upper member or sole member structure (no covering is shown in Figs. 5A and 5B ).
  • a user's foot may directly contact the impact-attenuating element 100 in the foot-receiving device structure 502.
  • Fig. 5A illustrates the impact-attenuating element 100 in a first position with respect to the heel portion of the foot-receiving device 502 ( e.g ., set up for some sort of cross-training exercises). If, after cross-training, the user decides to go for a jog or participate in some other event, he or she may rotate the impact-attenuating element 100 with respect to the foot-receiving device 502, for example, by rotating the element 100 within the opening or receptacle 504 using the handle member 140.
  • the handle member 140 may be made out of any desired material without departing from the invention, including some of the same impact-attenuating material (e.g ., polyurethane foam material) used in the remainder of the impact-attenuating element 100. As shown in Fig. 5B , the impact-attenuating element 100 is rotated approximately 45 degrees from its position in Fig. 5A , thereby affecting and changing the impact-attenuating characteristics of the impact-attenuating element 100 and the overall foot-receiving device 502.
  • the same impact-attenuating material e.g ., polyurethane foam material
  • the midsole, outsole, upper member, or other portion of the foot-receiving device structure 502 may include a receptacle (e.g ., a cup-shaped receptacle element that defines opening 504) or the like into which the top and/or bottom portion(s) of the impact-attenuating element 100 is (are) designed to fit.
  • the side walls defining the opening 504 may be formed from foam or other impact-attenuating material (e.g ., like that used in element 100 and/or other portions of the midsole structure).
  • the top and/or bottom surface(s) of the receptacle may include raised ribs designed to fit into corresponding slots or grooves defined in the top and/or bottom of the impact-attenuating element 100 or vice versa. Additionally or alternatively, as another example, one or more side surfaces of the receptacle may include raised ribs designed to fit into corresponding slots or grooves defined in the side walls of the impact-attenuating element 100 or vice versa. As still another example, the top and/or bottom surfaces of the receptacle and the impact-attenuating element 100 each may include raised ribs and slot or groove portions without departing from the invention.
  • top, bottom, and/or side surfaces of the receptacle and/or the impact-attenuating element may be roughed and/or otherwise formed from suitable materials and/or formed with suitable surfaces or surface treatments so as to create a high coefficient of friction between these elements, to thereby hinder and/or prevent easy rotation of the impact-attenuating element 100 with respect to the receptacle by a simple friction fit.
  • the impact-attenuating element 100 may be releasably held in place with respect to the foot-receiving device structure 502 by some type of mechanical connector or fixing element, such as a stop member that extends from the wall of a receptacle into a side of the impact-attenuating element.
  • some type of mechanical connector or fixing element such as a stop member that extends from the wall of a receptacle into a side of the impact-attenuating element.
  • one or more set screws, brake members, adhesives, lock or bolt type elements, or the like also may be used to hold the impact-attenuating element 100 in place with respect to the foot-receiving device structure 502.
  • the impact-attenuating element 100 also may be formed as a plug or a part that slides and/or otherwise is received onto a shelf and/or into a drawer type system provided as part of the foot-receiving device structure 502.
  • Figs. 6A and 6B illustrate one example structure.
  • an impact-attenuating element 600 according to this example of the invention includes a multi-sided polygon structure formed as a cylinder. Like the structure shown in Fig.
  • the cylindrical element 600 may be formed from two (or more) impact-attenuating materials 602 and 604 (e.g ., foam materials), wherein one material has at least one impact-attenuating characteristic different from the other material (e.g ., material 602 may be made from a foam material (or other material) having a lower density than material 604).
  • the cylindrical structure may be divided on a diagonal (as in Fig. 1 ) such that the two impact-attenuating materials 602 and 604 face and/or contact one another along an interface extending along the diagonal of the cylinder 600.
  • other ways of providing the regions with different impact-attenuating characteristics may be used without departing from the invention, e.g ., as described above.
  • a user may change the impact-attenuating characteristics of the impact-attenuating element 600 (and thus the characteristics of the entire foot-receiving device structure including this impact-attenuating element 600) by lifting or otherwise removing the impact-attenuating element 600 out of the opening 606 provided in the midsole, outsole, or other portion of the foot-receiving device structure via handle 608 ( e.g ., opening 606 may be defined by a corresponding receptacle in the midsole, outsole, upper member, etc.).
  • the impact-attenuating element 600 then may be turned, flipped over, replaced by another, have an impact-attenuating structure added to or taken away from it, or the like, and it then may be replaced within the opening 606 (or otherwise re-engaged with the foot-receiving device structure).
  • the impact-attenuating element 600 was turned clockwise approximately 60 degrees in this example.
  • the corners 610a of each face 610 of the impact-attenuating element 600 engage corresponding corners of the receptacle defining the opening 606, thereby at least partially holding the impact-attenuating element 600 in place with respect to the foot-receiving device structure.
  • an impact-attenuating element and/or its corresponding receptacle in a foot-receiving device structure may have any desired number of faces 610 without departing from the invention.
  • any size or shape faces 610 may be provided without departing from the invention.
  • some face(s) may be sized and shaped differently from other face(s) without departing from the invention.
  • Figs. 7A and 7B illustrate still another example of an impact-attenuating element structure 700 according to some examples of this invention.
  • the impact-attenuating element 700 is a star-shaped cylinder that fits into a corresponding opening 706 defined by a receptacle provided as part of a foot-receiving device structure (e.g ., in the heel portion of a midsole, outsole, insole, or upper member of a piece of footwear).
  • a receptacle provided as part of a foot-receiving device structure
  • the cylindrical element 700 may be formed from two (or more) impact-attenuating materials 702 and 704 (e.g ., foam materials), wherein one material has at least one impact-attenuating characteristic different from the other material (e.g ., material 702 may be made from a foam material (or other material) having a lower density than material 704).
  • the cylindrical structure may be divided on a diagonal (as in Fig. 1 ) such that the two impact-attenuating materials 702 and 704 face and/or contact one another along an interface extending along the diagonal of the cylinder 700.
  • other ways of providing the regions with different impact-attenuating characteristics may be used without departing from the invention, e.g ., as described above.
  • a user may change the impact-attenuating characteristics of the impact-attenuating element 700 (and thus the characteristics of the entire foot-receiving device structure including this impact-attenuating element 700) by lifting or otherwise removing the impact-attenuating element 700 out of the opening 706 provided in the midsole, outsole, insole, upper member or other portion of the foot-receiving device structure via handle 708 (e.g ., opening 706 may be defined by a corresponding receptacle in the midsole, outsole, upper member, etc.).
  • the impact-attenuating element 700 then may be turned, flipped over, replaced by another, have an impact-attenuating structure added to or taken away from it, or the like, and it then may be replaced within the opening 706 (or otherwise engaged with the foot-receiving device structure). As evident from comparing Figs. 7A and 7B , the impact-attenuating element 700 was turned clockwise approximately 50 degrees in this example. The arms 710 of the impact-attenuating element 700 engage corresponding arm receptacles defining opening 706, thereby at least partially holding the impact-attenuating element 700 in place with respect to the foot-receiving device structure.
  • an impact-attenuating element and/or its corresponding receptacle in a foot-receiving device structure may have any desired number of arms 710 without departing from the invention.
  • any size or shape arms 710 may be provided without departing from the invention.
  • some arm(s) 710 (and their corresponding arm receptacle(s)) may be sized and shaped differently from other arm(s) in the structure 700 without departing from the invention.
  • Fig. 8 illustrates an example arrangement of multiple impact-attenuating elements 100 in the heel area of a foot-receiving device structure 800 (such as in an article of footwear, including athletic footwear).
  • a foot-receiving device structure 800 such as in an article of footwear, including athletic footwear.
  • any number and/or arrangement of impact-attenuating elements 100, at any desired locations, may be used in a foot-receiving device structure 800 without departing from the invention.
  • all of the impact-attenuating elements may be of the same structure and/or positioned or oriented the same in a given article of footwear, this is not a requirement.
  • the individual impact-attenuating elements 100 may be individually and independently adjustable to enable a wide range of adjustability and customization.
  • the use of multiple, independent impact-attenuating elements 100 further enhances a user's ability to fine tune the impact-attenuating characteristics and/or the support characteristics to match his/her specific needs and/or preferences.
  • the orientation and/or position of the impact-attenuating element(s) or portions thereof may be selected based on one or more characteristics of the intended end user, such as: the user's weight, the user's shoe size, the user's foot width, the user's moving speed, the user's jumping ability, the user's tendency to pronate, the user's tendency to supinate, and the like.
  • the orientation and/or position of the impact-attenuating element(s) or portions thereof may be selected, at least in part, depending on the intended use of the footwear or other foot-receiving device product. For example, different impact-attenuating element orientations or positions may be selected depending on whether the footwear or foot-receiving device is used for walking, running, basketball, soccer, football, baseball, softball, sprinting, track events, field events, video game play, training exercises, cross-training, etc. A user's personal preferences and/or comfort also may be used in determining the selected orientation or positioning of the impact-attenuating element(s). Further customization may take place by substituting one impact-attenuating element for another, adding an additional structure to an existing impact-attenuating element, removing a portion of an existing impact-attenuating element, or the like.
  • the potential variability and customization features allow manufacturers, wholesalers, retailers, trainers, coaches, users, or others to selectively determine and/or change the support and/or impact-attenuating characteristics of a piece of footwear or other foot-receiving device by selecting different impact-attenuating element positions or orientations and/or by selecting different impact-attenuating elements. In this manner, if desired, manufacturers, wholesalers, retailers, trainers, users, or others can customize a pair of footwear or other foot-receiving device, e.g ., based on one or more characteristics of the intended user and/or one or more characteristics of the ultimate intended end use of the product.
  • this customization can take place at any stage in the distribution chain, for example, at the construction factory by the manufacturer, by wholesalers or retailers (e.g ., at a warehouse or a point of sale location, to replenish depleted stock, etc.), by consumers at the time and/or after the product has been purchased, etc.
  • users may be allowed to freely select and/or change the position or orientation of at least a portion of an impact-attenuating element in a shoe based on their immediate needs and/or the characteristics they desire in the footwear or foot-receiving devices at a given time ( e.g ., by switching one impact-attenuating element position or orientation for another at a point of use location).
  • the impact-attenuating characteristics of a piece of footwear may be selected by a user about to engage in a jogging exercise and then quickly changed later in time, when the user plays basketball or soccer with a group of friends.
  • shoe retailers or wholesalers may have a supply of impact-attenuating elements or portions thereof available to insert into footwear or foot-receiving devices at a point of sale location, e.g ., based on the characteristics of the intended user, the intended use, and/or to replenish depleted stock, and the purchaser can select one or more impact-attenuating elements, e.g ., based on their individual characteristics, intended use(s), personal preferences, etc.
  • Impact-attenuating elements labeled with various different characteristics and/or footwear labeled with various settings may be made available to the users.
  • impact-attenuating elements of the type described above may be enclosed within a polymer foam material or other material, such as a polyurethane or ethylvinylacetate material making up at least a portion of a midsole of the footwear article.
  • a polymer foam material or other material such as a polyurethane or ethylvinylacetate material making up at least a portion of a midsole of the footwear article.
  • portions of the impact-attenuating element(s) may be exposed through apertures in the foam material and/or through other portions of the sole member so as to be visible from an exterior of the footwear.
  • the impact-attenuating element may be entirely enclosed by the foam material and/or other materials making up the midsole and/or other portions of the sole member.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (32)

  1. Article chaussant (200) comprenant :
    une tige (208),
    un semelage (202) venant en prise avec la tige, ce semelage comprenant une surface venant en contact avec le pied (202a), et
    un élément d'atténuation d'impact (100) venant en prise avec la tige et/ou avec le semelage, cet élément d'atténuation d'impact étant conformé et réalisé de sorte que l'axe longitudinal (204) de cet élément s'étende dans une direction passant au travers de la surface de contact avec le pied,
    caractérisé en ce que
    l'élément d'atténuation d'impact est monté amovible par rapport à la tige et/ou au semelage de façon à permettre de modifier au moins une caractéristique d'atténuation d'impact de l'article chaussant en faisant tourner l'élément d'atténuation d'impact autour de son axe longitudinal.
  2. Article chaussant (200) conforme à la revendication 1, dans lequel l'élément d'atténuation d'impact (100) comporte une première région (102) comprenant un matériau alvéolaire ayant une première densité et une seconde région (104) renfermant un matériau alvéolaire ayant une seconde densité.
  3. Article chaussant (200) conforme à la revendication 1 ou 2, comprenant en outre des moyens permettant de faire varier au moins une caractéristique d'atténuation d'impact de l'élément d'atténuation d'impact.
  4. Article chaussant (200) conforme à la revendication 1, dans lequel la tige (208) et/ou le semelage (202) et/ou l'élément d'atténuation d'impact (100) comporte(ent) une structure permettant de maintenir au moins une partie de l'élément d'atténuation d'impact en place par rapport à la tige et/ou au semelage.
  5. Article chaussant (200) conforme à la revendication 1, dans lequel la tige (208) et/ou le semelage (202) comporte(ent) un élément de retenue qui vient en prise avec une surface externe de l'élément d'atténuation d'impact (100) pour maintenir au moins une partie de l'élément d'atténuation d'impact en place par rapport à la tige et/ou au semelage.
  6. Article chaussant (200) conforme à la revendication 1 ou à la revendication 3, dans lequel l'élément d'atténuation d'impact (100) comporte une première région (102) renfermant un premier matériau d'atténuation d'impact et une seconde région (104) renfermant un second matériau d'atténuation d'impact différent en ce qui concerne au moins une caractéristique d'atténuation d'impact du premier matériau d'atténuation d'impact.
  7. Article chaussant (200) conforme à la revendication 6, dans lequel le premier matériau d'atténuation d'impact (102) fait face au second matériau d'atténuation d'impact (104) le long d'une interface (108).
  8. Article chaussant (200) conforme à la revendication 7, dans lequel l'interface (108) s'étend le long d'une diagonale de l'élément d'atténuation d'impact (100).
  9. Article chaussant (200) conforme à la revendication 1, comprenant en outre un second élément d'atténuation d'impact (100) venant en prise avec la tige (208) et/ou avec le semelage (202).
  10. Article chaussant (200) conforme à la revendication 9, dans lequel le second élément d'atténuation d'impact (100) est conformé et réalisé de sorte que la direction axiale de ce second élément d'atténuation d'impact s'étende dans une direction lui permettant de passer au travers de la surface en contact avec le pied (202a), et le second élément d'atténuation d'impact est monté mobile ou amovible par rapport à la tige (208) et/ou au semelage (202) pour permettre de modifier au moins l'une des caractéristiques d'atténuation d'impact de l'article chaussant en modifiant la position ou l'orientation d'au moins une partie du second élément d'atténuation d'impact par rapport à la tige et/ou au semelage.
  11. Article chaussant (200) conforme à la revendication 2, dans lequel l'élément d'atténuation d'impact (100) comporte une pièce de forme cylindrique formée, au moins en partie à partir du matériau alvéolaire ayant la première densité (102) et du matériau alvéolaire ayant la seconde densité (104).
  12. Article chaussant (200) conforme à la revendication 11, dans lequel le matériau alvéolaire ayant la première densité (102) fait face au matériau alvéolaire ayant la seconde densité (104) le long d'une interface (108).
  13. Article chaussant (200) conforme à la revendication 12, dans lequel l'interface (108) s'étend le long d'une diagonale de la pièce de forme cylindrique.
  14. Article chaussant (200) conforme à la revendication 2, comprenant en outre un second élément d'atténuation d'impact (100) venant en prise avec la tige (208) et/ou avec le semelage (202).
  15. Article chaussant (200) conforme à la revendication 14, dans lequel le second élément d'atténuation d'impact (100) est monté mobile ou amovible par rapport à la tige (208) et/ou au semelage (202) pour permettre de modifier au moins une caractéristique d'atténuation d'impact de l'article chaussant en modifiant la position ou l'orientation d'au moins une partie du second élément d'atténuation d'impact par rapport à la tige et/ou au semelage.
  16. Article chaussant (200) conforme à la revendication 3, dans lequel les moyens de variation permettent de modifier la position ou de l'orientation d'au moins une partie de l'élément d'atténuation d'impact (100) par rapport à la tige (208) et/ou au semelage (202).
  17. Article chaussant (200) conforme à la revendication 3, dans lequel les moyens de variation permettent en outre de maintenir au moins une partie de l'élément d'atténuation d'impact (100) en place par rapport à la tige (208) et/ou au semelage (202).
  18. Article chaussant (200) conforme à la revendication 3, dans lequel la tige (208) et/ou le semelage (202) comporte(ent) un élément de retenue qui vient en prise avec la surface externe d'au moins une partie de l'élément d'atténuation d'impact (100) pour maintenir au moins cette partie de l'élément d'atténuation d'impact en place par rapport à la tige ou au semelage.
  19. Article chaussant (200) conforme à la revendication 3, comprenant en outre :
    un second élément d'atténuation d'impact (100) venant en prise avec la tige (208) et/ou avec le semelage (202), ce second élément d'atténuation d'impact étant conformé et réalisé de sorte que la direction axiale de ce second élément d'atténuation d'impact s'étende dans une direction lui permettant de passer au travers de la surface (202a) venant en contact avec le pied, et
    des moyens pour permettre de faire varier au moins une caractéristique d'atténuation d'impact du second élément d'atténuation d'impact.
  20. Article chaussant (200) conforme à l'une quelconque des revendications 1 à 3, dans lequel l'élément d'atténuation d'impact (100) est situé dans la zone de talon.
  21. Article chaussant (200) conforme à la revendication 11, comprenant en outre :
    un second élément d'atténuation d'impact (100) venant en prise avec la tige (208) et/ou avec le semelage (202), et
    des moyens permettant de faire varier au moins une caractéristique d'atténuation d'impact du second élément d'atténuation d'impact.
  22. Article chaussant (200) conforme à l'une quelconque des revendications 1 à 3, constitué par une partie d'une chaussure d'athlétisme.
  23. Procédé comprenant les étapes consistant à :
    se procurer un article chaussant (200) comprenant :
    - une tige (208), et
    - un semelage (202) venant en prise avec la tige, ce semelage comportant une surface (202a) venant en contact avec le pied, et
    mettre en prise un élément d'atténuation d'impact (100) avec la tige et/ou avec le semelage de sorte que l'axe longitudinal (204) de cet élément d'atténuation d'impact s'étende dans une direction lui permettant de passer au travers de la surface venant en contact avec le pied du semelage, l'élément d'atténuation d'impact étant monté amovible par rapport à la tige et/ou au semelage, et la position ou l'orientation d'au moins une partie de cet élément d'atténuation d'impact pouvant être modifiée par rapport à la tige et/ou au semelage pour permettre de modifier ainsi au moins une caractéristique d'atténuation d'impact de l'élément d'atténuation d'impact en faisant tourner cet élément autour de son axe longitudinal.
  24. Procédé conforme à la revendication 23, selon lequel l'élément d'atténuation d'impact (100) comporte une première région (102) renfermant un matériau alvéolaire ayant une première densité et une seconde région (104) renfermant un matériau alvéolaire ayant une seconde densité qui est supérieure à la première densité.
  25. Procédé conforme à la revendication 23 ou à la revendication 24, comprenant en outre une étape consistant à modifier la position ou l'orientation d'au moins une partie de l'élément d'atténuation d'impact (100) par rapport à la tige (208) et/ou au semelage (202).
  26. Procédé conforme à la revendication 25, selon lequel l'étape de variation comporte une étape consistant à renverser au moins une partie de l'élément d'atténuation d'impact (100) par rapport à la tige (208) et/ou au semelage (202).
  27. Procédé conforme à la revendication 23, selon lequel l'élément d'atténuation d'impact (100) comporte une première région (102) renfermant un premier matériau d'atténuation d'impact et une seconde région (104) renfermant un second matériau d'atténuation d'impact différent en ce qui concerne au moins une caractéristique d'atténuation d'impact du premier matériau d'atténuation d'impact.
  28. Procédé conforme à la revendication 27, selon lequel le premier matériau d'atténuation d'impact (102) est un matériau alvéolaire ayant une première densité et le second matériau d'atténuation d'impact (104) est un matériau alvéolaire ayant une seconde densité qui est supérieure à la première densité.
  29. Procédé conforme à la revendication 23 ou à la revendication 24, selon lequel l'élément d'atténuation d'impact (100) vient en prise dans la zone de talon de l'article chaussant (200).
  30. Procédé conforme à la revendication 23 ou à la revendication 24, selon lequel l'article chaussant (200) est un élément d'une chaussure d'athlétisme.
  31. Procédé conforme à la revendication 23, comprenant en outre une étape consistant à mettre en prise un second élément d'atténuation d'impact (100) avec la tige (208) et/ou avec le semelage (202) de sorte que la direction axiale de ce second élément d'atténuation d'impact s'étende dans une direction lui permettant de passer au travers de la surface (202a) venant en contact avec le pied du semelage, et la position ou l'orientation d'au moins une partie du second élément d'atténuation d'impact pouvant être modifiée par rapport à la tige et/ou au semelage pour permettre de modifier ainsi au moins une caractéristique d'atténuation d'impact de l'élément d'atténuation d'impact.
  32. Procédé conforme à la revendication 24, comprenant en outre une étape consistant à mettre en prise un second élément d'atténuation d'impact (100) avec la tige (208) et/ou avec le semelage (202), la position ou l'orientation d'au moins une partie du second élément d'atténuation d'impact pouvant être modifiée par rapport à la tige et/ou au semelage pour permettre de modifier ainsi au moins une caractéristique d'atténuation d'impact du second élément d'atténuation d'impact.
EP05849634.0A 2004-11-29 2005-11-18 Éléments d'amortissement d'impact et produits personnalisables contenant lesdits éléments Not-in-force EP1827156B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71451804P 2004-11-29 2004-11-29
PCT/US2005/042205 WO2006057978A1 (fr) 2004-11-29 2005-11-18 Elements d'amortissement d'impact et produits personnalisables contenant lesdits elements

Publications (2)

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EP1827156A1 EP1827156A1 (fr) 2007-09-05
EP1827156B1 true EP1827156B1 (fr) 2013-05-15

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US (1) US20060130365A1 (fr)
EP (1) EP1827156B1 (fr)
CN (1) CN101102692A (fr)
BR (1) BRPI0518257B1 (fr)
WO (1) WO2006057978A1 (fr)

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CN101102692A (zh) 2008-01-09
BRPI0518257A2 (pt) 2008-11-11
US20060130365A1 (en) 2006-06-22
WO2006057978A1 (fr) 2006-06-01
BRPI0518257B1 (pt) 2017-05-23
EP1827156A1 (fr) 2007-09-05

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