巴西专利BR112015020202B1 FOOTWEAR ITEM WITH REACTIVE LAYERS

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专利摘要:
shoe article with reactive layers a shoe fastening system that includes a strap that acts as a retaining element to more securely attach the shoe to the user's foot when the strap is under tension. the strip may be a unitary strip made of a material with a negative poisson's ratio. the strip can also have a composite structure, with an outer layer and an inner layer, where the inner layer is made of a material with a negative poisson ratio. as the strip is tensioned in one length direction, the thickness and / or width of the strip can expand to increase support.
公开号:BR112015020202B1
申请号:R112015020202-0
申请日:2014-02-12
公开日:2021-03-30
发明作者:Scot N Hull
申请人:Nike Innovate C.V.；
IPC主号:

专利说明:

BACKGROUND
[001] The present modalities in general concern a shoe item, and in particular retention elements in shoe items intended for use during sports activities such as running, walking, skating, skiing, cycling or jumping, and / or during games or sports such as basketball, football, volleyball, baseball, American football, tennis, field hockey, ice hockey and other games or sports.
[002] Footwear articles typically have at least two main components, a leather that provides the wrap to receive the user's foot, and a sole attached to the leather that makes primary contact with the ground or playing surface. Footwear can also use some type of fastening system, for example, laces or straps or a combination of both, to secure the footwear around the user's foot. When the shoe is not attached to the foot, the fastening system allows the shoe user to easily insert their foot into the shoe. When the fastening system is attached, it securely retains the footwear on the foot, and provides stability and appropriate support for the intended activity or sport, while allowing sufficient flexibility. SUMMARY
[003] As used in this document, the term "reactive material" means a material that, when placed under tension in a first direction, increases its dimensions in one or both directions orthogonal to the first direction. For example, if the material is in the form of a strip having a length, width and thickness, then when the strip is tensioned longitudinally (that is, in the direction of length), it increases in width and / or in thickness. Reactive materials can be characterized as having a negative Poisson's ratio. In contrast, conventional materials tend to contract in width and thickness as their length expands. Examples of materials having these reactive properties are auxetic materials.
[004] In one aspect, the shoe includes a leather, a sole, and a strap attached at one end to the medial side of the shoe, on the leather side or on the sole, and attached at the other end to the side of the shoe, on the leather side or on the sole. The strip includes a layer made of reactive material. This layer will be referred to in this document as a “reactive layer”. The reactive layer is restricted from expanding outward. When the person wearing the shoe engages in an activity, such as jumping or accelerating, this puts the strap under increased longitudinal tension, the reactive layer increases its thickness and / or width and thus retains the shoe more firmly on the foot.
[005] In another aspect, the footwear includes a leather, a sole and a strap made of reactive material. The strap is attached at its medial and lateral ends to the medial and lateral sides, respectively, of the upper, or is attached to the medial and lateral sides, respectively, of the sole. The strap is routed partially or totally inside the shoe, in such a way that when the strap is under longitudinal tension the leather fabric restricts the strap so that when it expands in thickness it presses more firmly against the user's foot.
[006] In another aspect, the shoe includes a leather, a sole and a composite strap attached at one end to the medial side of the shoe and at the other end to the side of the shoe. The composite strip has at least two layers, a layer made of inelastic material and a layer made of a reactive material, that is, a material that has a negative Poisson's ratio. The inelastic layer works to prevent the layer made of reactive material from expanding outwards, in such a way that when the strip is under longitudinal tension it expands in thickness and / or width to retain the shoe more firmly on the foot.
[007] In another aspect, the shoe article comprises a composite strip having an inner layer made of reactive material and an outer layer made of inelastic material. When the composite strip is under longitudinal tension, the reactive material increases in thickness and / or width, to retain the footwear more firmly on the user's foot.
[008] In another aspect, a shoe includes a leather having a medial side and a side side. The upper additionally includes a front part associated with a leather forefoot part, a rear part associated with a leather heel part and an intermediate part disposed between the front and the rear. The intermediate part comprises a reactive material that increases by at least one in thickness and width when the intermediate part is under longitudinal stress.
[009] Other systems, methods, resources and advantages of the modalities will be, or will become, apparent to a person of common knowledge in the technique by examining the figures and detailed description below. It is intended that all such systems, methods, resources and additional advantages are included in this description and in this summary, are within the scope of the modalities and are protected by the following claims. BRIEF DESCRIPTION OF THE DRAWINGS
[010] The modalities can be better understood with reference to the drawings and description below. The components in the figures are not necessarily to scale, and emphasis is instead given to illustrate the principles of the modalities. In addition, in the figures, equal reference numbers designate corresponding parts across all different views.
[011] Figure 1 is an isometric view of a modality of a shoe item with an example of a unitary reactive strip;
[012] Figure 2 is an isometric view of a single strip modality when it is not subjected to any longitudinal tension;
[013] Figure 3 is an isometric view of a single strip modality under longitudinal tension;
[014] Figure 4 is an isometric view of a single strip modality under increased longitudinal tension;
[015] Figure 5 is an isometric view of the modality of a shoe article of Figure 1 above a playing surface using an example of a unitary strip;
[016] Figure 6 is an isometric view of the modality of a shoe article of Figure 1 in contact with a playing surface using an example of a unitary strip.
[017] Figure 7 is an isometric view of another modality of a shoe article using an example of a unitary strip;
[018] Figure 8 is an isometric view also of another modality of a shoe article using a unitary strip;
[019] Figure 9 is an isometric view of a modality of a shoe article using a composite strip;
[020] Figure 10 is an isometric view of a composite strip modality when it is not subjected to any longitudinal tension;
[021] Figure 11 is an isometric view of an embodiment of a composite strip under longitudinal tension;
[022] Figure 12 is an isometric view of an embodiment of a composite strip under increased longitudinal tension;
[023] Figure 13 is an isometric view of the shoes in Figure 9 above a playing surface;
[024] Figure 14 is an isometric view of the shoes of Figure 9 in contact with a playing surface;
[025] Figure 15 is an isometric side view of a modality of a shoe item including an integrated reactive strip;
[026] Figure 16 is an isometric medial view of a modality of a shoe item including an integrated reactive strip;
[027] Figure 17 is an enlarged cross-sectional view of a part of a leather including a reactive strip;
[028] Figure 18 is an enlarged cross-sectional view of a part of a leather including a reactive strip;
[029] Figure 19 is an isometric view of an article modality with an integral language including a reactive strip;
[030] Figure 20 is an isometric view of a modality of a shoe item with a reactive material integrated with a part of the throat of a leather;
[031] Figure 21 is an isometric view of an embodiment of a shoe article including a leather comprising a reactive material;
[032] Figure 22 is an isometric view of a modality of a shoe item with a composite strap to provide increased support on a user's ankle;
[033] Figure 23 is an isometric view of a type of sandal with composite strips;
[034] Figure 24 is an isometric view of a slipper with a composite strip; and
[035] Figure 25 is an isometric view of a duck foot with a composite strip. DETAILED DESCRIPTION
[036] For clarity, the descriptions detailed in this document describe certain exemplary modalities, but the disclosure in this document can be applied to any shoe item comprising some of the features described in this document and reported in the claims. In particular, although the description detailed below discusses exemplary modalities, in the form of footwear such as running shoes, basketball shoes, sandals and flip-flops, the disclosures in this document can be applied to a wide range of footwear.
[037] For consistency and convenience, directional adjectives are used throughout this detailed description corresponding to the illustrated modalities. The term "longitudinal" as used throughout this detailed description and in the claims refers to a direction extending over a length (or greater dimension) of a component, such as a strip. Also, the term "side" as used throughout this detailed description and in the claims refers to a direction extending over a width of a component, such as a strip. The lateral direction in general can be perpendicular to the longitudinal direction. In addition, the term "vertical" as used throughout this detailed description and in the claims refers to a direction generally perpendicular to a lateral and longitudinal direction. The vertical direction can be associated with the thickness or depth of a component, such as a strip.
[038] Figure 1 is an isometric view of an embodiment of a shoe item 100. Shoe item 100 may include upper 101 and sole 102. In some embodiments, upper 101 may additionally include tongue 104. The leather 101 may include an opening or throat 105 that allows the wearer to insert his foot into the shoe. In some embodiments, the leather 101 may also include the shoelace 103, which can be used to tighten or otherwise adjust the size of the throat 105 around a foot.
[039] Shoe item 100 may include provisions for adaptively tightening a user's foot. For example, some modalities may incorporate components that tighten in response to activities such as jumping, running or playing, thereby minimizing slippage between a user's foot and the shoe 100 during such activities. In some embodiments, the shoe article 100 may include one or more strips comprising reactive materials. As discussed earlier, such materials can expand along dimensions perpendicular to the direction of tensioning (for example, expanding in width and thickness while being subjected to tensioning in the direction of length).
[040] As used throughout this detailed description and in the claims, the term "strip" refers to any element in a generally two-dimensional manner with a thickness much less than the length and / or width. In some cases, a strip may have an elongated shape, including, for example, a rectangular area. However, the term strip is not intended to be limited to a particular shape and can include any element having any shape. For example, in some embodiments, a strip can extend across a large part of a leather. In some embodiments, a strip may comprise a substantial leather upper.
[041] In some embodiments, the shoe article 100 may include the reactive strip 120. In some embodiments, the reactive strip 120 may be arranged internally to the upper 101. More specifically, in some embodiments, a first end 121 of the reactive strip 120 can be attached to the underside of the inside of the medial side 110 of the shoe 100, an intermediate part 122 of the reactive strip 120 can be routed over the user's instep, under the tongue 104, and a second end 123 of the reactive strip 120 may be attached to the side side 111 of the shoe article 100. In other embodiments, the arrangement of the reactive strip 120 along the shoe article 100 may vary in some way. Other possible arrangements or configurations are described with additional details below.
[042] The reactive strip 120 can be fixed to the bottom of the inner lateral and medial sides of the leather upper 101 using stitching, staple, fusion, adhesives or any other type of permanent fixation method. Alternatively, it can be attached to the upper surface of the sole on both sides of the shoe, instead of to the inner sides of the shoe. The reactive strip 120 is shown in dashed lines in figure 1, because the reactive strip 120 is completely inside the shoe.
[043] The current mode describes a reactive strip in general unitary 120. In other words, the reactive strip 120 can comprise a single layer. However, in other embodiments, a strip including a reactive material can incorporate two or more layers or parts having different material properties. An example of a composite strip including a reactive layer and an additional layer with material properties different from those of the reactive layer is described with additional details below.
[044] In different modalities, the reactive strip 120 can be made of various materials. In some embodiments, the reactive strip 120 can be made of any materials having a negative Poisson's ratio, including, for example, auxetic materials. Such materials are available, for example, from Avanced Fabric Technologies, Houston, Texas and from Auxetic Technologies Ltd., Bolton, UK.
[045] The detail section in figure 1 shows a cross section of the shoe 100. In particular, the detail section in figure 1 shows how the unit reactive strip 120 fits inside the leather fabric 101. When the strip 120 is under tension, its thickness and width increase, as discussed below with reference to figures 2-4. Because the strip 120 is restricted by the fabric of the headband 101 to expand outward, any increase in the thickness of the strip 120 would force the strip 120 to press more firmly against the foot and thus serve to retain the shoe more securely in the foot.
[046] Although figure 1 shows a generic shoe, other types of footwear may include, for example, running shoes, walking shoes, basketball shoes, sneakers, soccer shoes, baseball shoes, skating shoes or boots, all of whom need to attach their shoes to their feet in order to maximize comfort and performance.
[047] Figures 2-4 show how the reactive strip 120 behaves under longitudinal tension. In figure 2, strip 120 is not under tension, and it has a thickness T0 and a width W0. In figure 3, strip 120 is under tension. Because of being under tension, its thickness increased to T1 (which is greater than T0) and its width increased to W1 (which is greater than W0). In figure 4, strip 120 is under increased tension, and its thickness is now T2 (which is greater than T1) and its width is now W2 (which is greater than W1). Thus, as seen in figures 2-4, the reactive strip 120 may tend to expand in thickness and width as the reactive strip 120 is pulled longitudinally. This is in contrast to several other strips which in general can contract in width and thickness under longitudinal tension (for example, during stretching).
[048] In some cases, there may be a linear relationship between the increase in thickness and / or width of strip 120 and an increase in length of strip 120 under longitudinal tension. In the general case, however, it doesn't have to be a relationship like this. In other embodiments, for example, there may be a non-linear relationship between the increase in thickness and / or width of the strip 120 and the increase in length of the strip 120 under longitudinal tension.
[049] Figures 5 and 6 show the modality of figure 1 in action. In figure 5, the shoe 100 is not in contact with the playing surface. The reactive strip 120 only supports minimum longitudinal tension. For this reason, the thickness and width of the reactive strip 120 are not significantly greater than the thickness T0 and width W0, respectively, of the reactive strip 120 when it is not under any tension. In figure 6, the shoe 100 is in contact with the playing surface. The reactive strip 120 is under tension, for example, because the user is pushing his forefoot to jump or accelerate. Because of being under tension, the thickness and width of the reactive strip 120 has increased. For example, the thickness of the reactive strip 120 has increased to T3 (which is substantially greater than T0). In addition, as the thickness of the reactive strip 120 increases, the reactive strip 120 can provide an increased radially inward force on the foot, thereby preventing slipping inside the shoe and improving support for the user.
[050] The modality shown in figures 1-6 illustrates a shoe item including a reactive strip that is arranged internally to the upper. In particular, the entire strip is arranged internally to the outer side walls of the leather as well as under the tongue. In other modalities, however, some parts of a reactive strip may extend externally to the upper and / or the tongue. In still other modalities, the whole of a reactive strip can extend externally to the upper and / or the tongue.
[051] Figure 7 is an isometric view of an example of another fashion item in a shoe. In this embodiment, the shoe article 200 may be similar to the shoe article 100 discussed above. In particular, the shoe article 200 may include the upper 201, the sole 202 as well as the shoelace 203 and the tongue 204. In this embodiment, the reactive strip 220 is routed within the footwear 200 above the tongue 204 and below the shoelace 203. In particular, the reactive strip 220 can be permanently attached to the inner part of the shoe article 200 on both the side and the medial side, for example, by means of sewing, staples, fusion or adhesives. While the end parts of the reactive strip 220 can be arranged internally to the upper 201, an intermediate part 221 of the reactive strip 220 can be exposed along an exterior of the shoe article 100. The reactive strip 220 can be attached to the inner sides medial and lateral of the leather, respectively, or to the medial and lateral sides of the sole, respectively.
[052] When the reactive strip 220 is under tension, for example, because the user is jumping, its thickness and width increase, thus tightening the shoe around the foot and providing improved stability. In this embodiment, the reactive strip 220 works to press the tongue 204 down against the upper part of the user's foot, thus spreading the tension over a larger area. Such a modality can be selected in situations where it may be desirable to spread the applied stresses across a strip.
[053] Figure 8 is an isometric view of another example of a shoe article. In this example, the reactive strip 220 is attached at one end to the bottom of the inside of the medial side of the leather upper 201 of the shoe 200 or to the sole 202. The reactive strip 220 is routed upwards from the side and then between the lace 203 and the tongue 204 of the shoe 200, in such a way that a portion 222 of the reactive strip 220 passes over the tongue 204. The reactive strip 220 can also be routed under the tongue. The reactive strip 220 then emerges from the inside of the side of the shoe through the slot 250. The reactive strip 220 is then fixed to the outside of the side of the shoe using, for example, a hook and loop fastener 251 such as Velcro® , as shown in figure 8, or by some other separable fastening method such as a buckle, snaps, buttons or loops.
[054] Using the configuration shown in figure 8, the effective length of the reactive strip 220 can be adjusted. Specifically, the attachment point between the reactive strip 220 and the fastener 251 can function as the effective end of the reactive strip 220 for purposes of tensioning the foot. Therefore, adjusting the position of the reactive strip 220 in relation to the fastener 251 allows a user to pre-tension the reactive strip 220 as desired. The modality in figure 8 allows adjustment of the effective length of the reactive strip.
[055] Depending on the particular shoe, a strip (including a reactive strip) can be routed entirely inside the upper, as shown in figure 1, or it can be routed over the tongue, as shown in figures 7 and 8. The strap can be wrapped around the instep or the forefoot. It can also be wrapped around the heel or ankle. In the case of a shoe item such as a sandal, which does not have a leather upper, the strap (s) can be attached to the sole. In general, if attached to the upper or sole, one or more straps can be used. For example, one strap can wrap around the heel, a second strap can wrap around the ankle, a third strap can wrap around the instep and a fourth strap can wrap around the forefoot.
[056] Although in many embodiments a strip in general is rectangular, it can have any shape that is suitable for the particular footwear, as long as it can be characterized as having a length, a width and a thickness. For example, the strip can be approximately rectangular, oval, tri-angular or trapezoidal, or a combination of such shapes. In addition, the shape of the strip can be regular or irregular.
[057] Arrangements of the footwear article may use a composite strip instead of a unitary strip. A composite strip can include two or more layers or parts of different materials. In some cases, a composite strip may include at least two layers, where at least one of the two layers is made of reactive material. The composite strip can be routed inside the upper, as in the examples shown in figures 5-8. As shown in figure 9, the composite strip can also be routed over the leather instead of inside the leather.
[058] Figure 9 illustrates another shoe item 300. Shoe item 300 may include a leather upper 301 and sole 302. Additionally, shoe item 300 may include laces 303 as well as tongue 304.
[059] Some embodiments of the shoe article 300 may include the composite strip 320. The composite strip 320, as shown in Figure 9, has at least two layers: a reactive layer 321 on the inside of the composite strip and an inelastic layer 322 on its outer side. In general, the reactive layer 321 and the inelastic layer 322 may have different material characteristics. In some embodiments, the reactive layer 321 can be made of material with a negative Poisson's ratio in such a way that, as reactive layer 321 is put under tension along a first direction, the reactive layer 321 can expand in directions that in general they are orthogonal to the first direction. Thus, for example, as the reactive layer 321 is placed under tension in a longitudinal direction along the composite strip 320, the reactive layer 321 can expand in thickness or width or both in thickness and width. In addition, when tension is applied in a longitudinal direction to the inelastic layer 322, the inelastic layer 322 substantially resists expansion in the longitudinal direction as well as in the lateral and vertical directions. As described in further detail below, this arrangement of reactive layer 321 and inelastic layer 322 allows the expansion of reactive layer 321 in dimensions orthogonal to its length to be controlled in a way that facilitates increased support for one foot.
[060] Any materials or combination of materials can be used to achieve the material properties discussed above for reactive layer 321 and / or inelastic layer 322. Inelastic layer 322 can be made of materials including, but not limited to, this : canvas, nylon, Dacron®, denim, EVA or other materials that do not stretch substantially when under tension. The reactive layer 321 can be made of any materials having a negative Po-son ratio, including, for example, auxetic materials. Such materials are available, for example, from Avanced Fabric Technologies, Houston, Texas and from Auxetic Technologies Ltd., Bolton, UK. However, it will be understood that a reactive layer in general can be made of any materials that exhibit the material properties described above, including expansion in a direction orthogonal to the applied stress direction.
[061] In some embodiments, the reactive layer 321 can be attached to the inelastic layer 322 only at its two longitudinal ends, for example, by means of stitching or staples, or when using adhesives. In other modalities, the reactive layer 321 and the inelastic layer 322 can be joined in any other regions. In still other embodiments, the reactive layer 321 can be arranged adjacent to the inelastic layer 322, but not directly connected to the inelastic layer 322.
[062] The composite strip 320 can be routed within the shoe article 300, or over the shoe, as described below. Depending on the particular shoe and the specific application, the two ends of the composite strip 320 can be attached to the medial and lateral sides of the leather 301, for example. In other embodiments, for example, they can also be attached to sole 302 or at the interface of leather 301 to sole 302. The method of attachment can be of the permanent type, such as sewing, staples, fusing or using adhesives, or separable , such as when using buckles, buttons, hook and loop fasteners such as Velcro®, en-boxes or bows.
[063] In the exemplary modality shown in figure 9, the inelastic layer 322 is fixed to the footwear 300 on its medial side by means of seam (not shown in figure 9). It is fixed on the side of shoe 300 by seam 330. As shown in the enlarged section in figure 9 and discussed in more detail below with reference to figures 10-12, when the reactive layer 321 is not under tension, it has a thickness T0 and a width W0.
[064] Figures 10-12 are isometric views of a composite strip showing how its geometry changes under tension. Figure 10 is an isometric view of the composite strip 320 when it is not under tension. Reactive layer 321 is represented as having width W0 and thickness T0. Reactive layer 321 is attached to inelastic layer 322 at both ends by seam 323. In current fashion, reactive layer 321 is not attached in any other way to inelastic layer 322. However, it is possible that in other embodiments the reactive layer 321 and the inelastic layer 322 can be fixed in other locations. In still other embodiments, the reactive layer 321 and the inelastic layer may not be attached to each other at any location.
[065] Figure 11 is an isometric view of an example of composite strip 320 when it is under longitudinal tension, as indicated by the arrows at both ends of the strip. As shown in figure 11, the thickness T4 and width W4 of the reactive layer 321 increased when compared to the thickness T0 and the width W0 of when the reactive layer was not under tension (as shown in figure 10). In other words, T4 is greater than T0 and W4 is greater than W0.
[066] Figure 12 is an isometric view of an example of composite strip 320 when it is under increased longitudinal stress when compared to the example shown in figure 11. In this case, the thickness T5 and width W5 of the reactive layer 321 have increased when compared T1 thickness and W1 width when the reactive layer was under less stress (as shown in figure 11). In other words, T5 is greater than T4 and W5 is greater than W4.
[067] To be clear, in the modalities of composite strips shown in figures 10-12, the inelastic layer does not experience any significant changes in any of its dimensions. The length can increase a minimum amount, and the inelastic layer can have even smaller and less significant changes in its width and thickness. In other embodiments, however, a composite strip may include a layer other than a reactive layer that changes significantly in one or more dimensions. For example, some embodiments may include an elastic layer that increases in length and contracts in width and / or thickness under longitudinal tension.
[068] Figure 13 is an isometric view of a shoe article in action. In this example, because the foot has not yet reached the floor, the composite strip 320 is not withstanding substantial longitudinal stress. Because the composite strip 320 is not withstanding substantial longitudinal stress, the reactive layer 321 has a thickness and width that are not substantially greater than the thickness T0 and the width W0, respectively, when the reactive layer 321 is not under tension.
[069] In the example shown in figure 13 the composite strip 320 is attached to the side of the shoe article 300 by the buckle 331. The composite strip 320 can also be attached using any other separable device such as a hook and loop fastener (such as Velcro®), loop, fitting or other separable mechanical device, or by means of a permanent fixation such as sewing, staples, fusion or adhesives. The composite strip 320 can be attached to the medial side of the shoe article 300, for example, using a permanent fixation method such as stitching, staples, fusion or adhesives.
[070] Figure 14 is an isometric view of the shoe shown in Figure 13, when the shoe is pressed hard against the playing surface, for example, because the user is jumping or accelerating forward. In this case, the composite strip 320 is under tension greater than that in the example shown in figure 13. Because the reactive layer 321 is under tension, its thickness and width increase for T6 and W6, respectively. Because the reactive layer 321 is constrained by the inelastic layer 322, it presses more firmly downward (or radially inward) towards the top of the shoe. At the same time, the increased width of the reactive layer 321 results in a greater contact area between the composite strip 320 and the upper part of the shoe article 300. Both of these actions - the increased thickness and the increased width - serve to retain the article footwear 300 more securely on the user's foot and thus provide more stability for the user.
[071] The composite strap can be attached to any part of the shoe using any type of attachment mechanism, including both permanent attachment mechanisms such as stitching, staples, adhesive or fusion uses, and a separable mechanism such as a buckle, a hook and loop fastener, a snap or loops. In some embodiments, a permanent fixation method can be used on the medial side and a permanent or separable fixation method can be used on the side. However, other arrangements may include fasteners on the side.
[072] The footwear shown generically in figures 9 and 13-14 is representative of many types of footwear, including, for example, running shoes, walking shoes, walking boots, work boots, sneakers, shoes exercise at moderate pace, basketball shoes, soccer shoes, baseball shoes, skating shoes, ski boots and other types of footwear.
[073] Strips (including single and composite strips) with reactive materials can be placed anywhere on a shoe item. In some fashion, a strap can be positioned over the instep, as shown in figures 1, 5-9 and 13-14. In other embodiments, a strap can wrap around the ankle and / or the heel. In still other modalities, a strap can be placed on the forefoot of the shoe.
[074] In different modalities, strips can have any type of shapes. Although the strip is shown in the figures as having a generally rectangular shape, in other embodiments a strip can have an oval shape or any other shape that allows the material to be retained under tension in one direction. Examples of other possible shapes for a strip include, but are not limited to: round, triangular, rectangular, polygonal, regular and irregular shapes.
[075] In some modalities, reactive material can be integrated into a leather. In particular, in some embodiments, a reactive material may comprise one or more parts or sections of the leather. These parts of a reactive material can be arranged adjacent to parts of more conventional leather materials.
[076] Figures 15 to 21 further illustrate additional configurations for integrating a reactive material with a leather. Referring primarily to figures 15 and 16, in some embodiments a reactive material may comprise a section of a leather material. As an example, shoe item 430 can include leather 432. Leather 432 can include a front 434, a rear 436 and an intermediate part 438 that is arranged between the front 434 and the rear 436. The upper intermediate 438 can be further separated into a lateral intermediate part 440 and a medial intermediate part 442, which can be separated by the throat opening 446. In some cases, the front part 434 and the rear part 436 may comprise conventional leather materials such as such as synthetic leather, mesh materials as well as possibly other materials. In particular, the front part 434 and the rear part 436 can comprise materials with a positive Poisson's ratio. In contrast, in some cases, the intermediate part 438 (including both the lateral intermediate part 440 and the medial intermediate part 442) can be made of a reactive material with a negative Poisson's ratio. Thus, the intermediate part 438 can comprise a part that expands in thickness under longitudinal tension. In addition, the relatively narrow width of the intermediate part 438, when compared to that of the front part 434 and that of the rear part 436, may allow the intermediate part 438 to operate in a similar manner to a strip, thereby restricting the radial part of one foot inside the leather 432 in a similar way to the straps of the previous modalities.
[077] Figures 15 and 16 illustrate a modality of the intermediate part 438 comprising a reactive material that is generally flush with an outer surface 448 of the upper 432 defined by the front 434 and the rear 438. However, in other embodiments , the intermediate part 438 can be lowered or raised in relation to the outer surface 448 of the leather 432. For example, figure 17 illustrates a cross-sectional view of a part of the leather 432 in which an intermediate part 437 is lowered in relation to the external surface. 448. Likewise, figure 18 illustrates a cross-sectional view of a part of leather 432 in which an intermediate part 439 is elevated in relation to the outer surface 448. In addition, although the current mode discusses the relative position of an intermediate part with respect to to an external surface of a leather, in other modalities an intermediate part can be leveled, lowered or raised in a similar way with respect to an internal surface of a leather.
[078] Figure 19 illustrates a schematic view of a modality of a shoe article 450 including a leather 452 with the full tongue 454. In some embodiments, the leather 452 may additionally include the reactive strip 456 which is integral with the leather 452. Reactive strip 456 can extend continuously from a lateral side to a medial side of leather 452. In some embodiments, leather 452 can operate without a traditional lanyard system, thereby providing a free fit until tension is applied , at which point the reactive strip 456 can tighten around a foot.
[079] Referring to figures 20 and 21, a reactive material can be integrated with several regions of an article. For example, referring to figure 20, article 460 may include a reactive part 462 that extends along a large part on either side of the throat opening 446. In particular, reactive part 462 is shown to have a width substantially greater than that of the intermediate part 438 shown in figures 15 and 16. In yet other embodiments, a reactive material 471 may comprise most of a leather 470, as shown in figure 21. In the embodiment of figure 21 , the substantial totality of leather 470 may increase in thickness when tensioned along any direction approximately parallel to the surface of leather 470.
[080] Thus, it will be understood that modalities can include uppers having several different parts comprising a reactive material. The size, shape and location of these parts (also referred to as straps) may vary according to factors including, but not limited to: type of footwear, desired support during inactivity, desired support during various types of activity, desired locations for support as well like other factors.
[081] Figure 22 is an isometric view of a shoe item, in this case a high leather shoe, with a composite strap running around the ankle. The composite strip 420 has an internal reactive layer 421 and an external inelastic layer 422, i.e., the composite strip 420 is similar to the composite strip shown in figures 10-12. The composite strip 420 is held in place on one side of the shoe by the shoelace 403. It is then routed over the upper 401 around the user's ankle to the other side of the shoe, where it is held by the shoelace 403. When the user flexes or rotate your ankle, thus creating additional tension in the composite strip 420, the internal reactive layer expands in thickness and / or width, thus providing additional support for the user's ankle.
[082] Figures 23, 24 and 25 show examples of the use of a composite strip, in a sandal, a flip-flop and a duck's foot, respectively. In each example, the composite strip has an internal reactive layer and an external inelastic layer. The external inelastic layer serves to restrict the internal reactive layer when that layer is under tension, in such a way that the reactive layer is forced to exert additional pressure on the user's foot and thus retain the footwear more securely on the foot.
[083] Figure 23 is an isometric view of a sandal with composite strips wrapped around the heel, instep and forefoot. In different modalities, sandals can have any one or two of these composite strips, or all three composite strips. Other embodiments may also include four or more composite strips. In addition, some embodiments may incorporate a combination of single strips and composite strips.
[084] Composite strip 521, composite strip 522 and composite strip 523 in general are similar to the composite strip shown in figures 10-12. Each composite strip may include an outer inelastic layer 530 and an inner reactive layer 531, as specifically indicated for composite strip 521 in figure 23. In this example, composite strip 521 is attached on either side of the foot to the composite strip 522. However in other examples it can be fixed on either side of the sole. The composite strip 522 and the composite strip 523 can be attached to the sole using a permanent fixing method such as stitching, staples, fusion or adhesives, or by means of a separable fixing method such as buckles, hook fasteners and loops , hooks, buttons or ties.
[085] Figure 24 is an isometric view of a 600 slipper with a composite strap on the forefoot. Composite strip 621 is generally similar to the composite strip shown in figures 10-12 (including an outer inelastic layer 630 and an inner reactive layer 631). The composite strip 621 can be fixed to one side of the sole 602 using a permanent fixing method such as stitching, clamps, fusing or adhesives, or by means of a separable fixing method such as buckles, hook fasteners and loops, hooks, buttons or ties. In some modalities, the composite strip 621 can be fixed on the other side of the sole 602 by means of a permanent fixation method. Alternatively it can be attached to the sides of the leather 601.
[086] In the modality of figure 24, the user's foot would comfortably fit the slipper 600 when the strip 621 is not under tension, but would be tightened when the user was walking in order to prevent the slipper from sliding off the foot.
[087] Figure 25 is an isometric view of a fins 700, with a composite strip around the heel. The composite strip 720 is generally similar to the composite strip shown in figures 10-12, that is, it has an internal reactive layer 721 and an external inelastic layer 722. It can be attached to one side of the heel using a permanent fixing method such as sewing, staples, fusing or adhesives, or by means of a separable fixing method such as buckles, hook and loop fasteners, hooks, buttons or loops. In some modalities, the composite strip 720 can be fixed on the other side of the heel by means of a permanent fixation method.
[088] In the embodiment of figure 25, duckfoot 700 would normally be held reasonably firmly on the user's foot by strip 721 when strip 721 is not under tension. However, when the user is stamping their feet while swimming, the increased tension on strap 721 provides increased grip to hold fins 700 even more tightly to the foot.
[089] In addition to the footwear items described above, single reactive strips or composite strips including a reactive layer can be used in many other types of footwear, such as boots, skating shoes, ski boots, ballet shoes, football shoes American, cycling shoes, cleats and volleyball shoes. These footwear articles may include one or several unitary or composite straps, in any one or more different locations, such as on the instep, heel, ankle and forefoot.
[090] The above descriptions exposed reactive materials that increase in both thickness and width when under longitudinal stress. However, the development in this document can be used with reactive materials that increase only in thickness, or increase only in width. One or another of these dimensional changes would improve the strap's ability to securely retain footwear on the foot.
[091] Although several modalities have been described, the description is intended to be exemplary rather than limiting, and it will be apparent to people of ordinary skill in the art that many other modalities and implementations are possible that are within the scope of the modalities . Therefore, modalities are not to be restricted except considering the attached claims and their equivalences. Also, various modifications and changes may be made within the scope of the appended claims.

权利要求:
Claims (10)
[0001]
1. Footwear article (100, 200, 300, 400, 500, 600, 700) comprising: a leather (101, 201, 301, 401, 601, 701) having a medial side and a lateral side; a sole (102 , 202, 302, 402, 602) having a medial side and a lateral side; and a strip (120, 220, 320, 420, 521, 522, 523, 621, 720) attached at one medial end to at least one of the medial side of the upper (101, 201, 301, 401, 601, 701) and the medial side of the sole (102, 202, 302, 402, 602), and at one side end to at least one of the side of the upper (101, 201, 301, 401, 601, 701) and the side sole (102, 202, 302, 402, 602); CHARACTERIZED by the fact that the strap (120, 220, 320, 420, 521, 522, 523, 621, 720) comprises a reactive material that increases in at least one among thickness and width when the strip (120, 220, 320, 420, 521, 522, 523, 621, 720) is under longitudinal tension.
[0002]
2. Footwear article (300, 400, 500, 600, 700), according to claim 1, CHARACTERIZED by the fact that the strip (320, 420, 521, 522, 523, 621, 720) is a composite strip having an inelastic layer (322, 422, 530, 630, 722) on the outer side of the strip (320, 420, 521, 522, 523, 621, 720) and a reactive layer (321, 421, 531, 631, 731) on the inner side of the strip (320, 420, 521, 522, 523, 621, 720).
[0003]
3. Footwear article (300, 400, 500, 600, 700), according to claim 2, CHARACTERIZED by the fact that the reactive layer (321, 421, 531, 631, 731) is permanently fixed to the layer inelastic (322, 422, 530, 630, 722) at each end of the strip (320, 420, 521, 522, 523, 621, 720).
[0004]
4. Footwear article (300), according to claim 2, CHARACTERIZED by the fact that the strip (320) is routed over the instep of the shoe (300).
[0005]
5. Footwear article (100, 200), according to claim 1, CHARACTERIZED by the fact that the strip (120, 220) is a unitary strip comprised of reactive material.
[0006]
6. Footwear item (100, 200), according to claim 5, CHARACTERIZED by the fact that the strap (120, 220) is configured to be fitted inside the shoe (100, 200) on the instep of a user's foot.
[0007]
7. Footwear article (200), according to claim 5, CHARACTERIZED by the fact that the strip (220) is configured to be routed over the tongue (204) of the shoe.
[0008]
8. Footwear article (500, 700), according to claim 1, CHARACTERIZED by the fact that the strap (521, 720) is a heel strap.
[0009]
9. Footwear article (100, 200, 300, 500, 600), according to claim 1, CHARACTERIZED by the fact that the strap (120, 220, 320, 523, 621) is a forefoot strap.
[0010]
10. Footwear article (100, 200, 300, 400, 500, 600, 700), according to claim 1, CHARACTERIZED by the fact that the footwear (100, 200, 300, 400, 500, 600, 700) it is one of a shoe, a boot, a slipper, a duck foot, a sandal and a skate.

类似技术:

公开号 | 公开日 | 专利标题

BR112015020202B1|2021-03-30|FOOTWEAR ITEM WITH REACTIVE LAYERS

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US8656606B2|2014-02-25|Article of footwear including a woven strap system

JP5643420B2|2014-12-17|Footwear with removable wrap

US7334354B2|2008-02-26|Adjustable ankle support for an article of footwear

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KR101364281B1|2014-02-18|Article of footwear with straps

US7013586B1|2006-03-21|Article of athletic footwear with a leash

JP2010525927A|2010-07-29|Shoes with shape-fit closure structure

CA2777604A1|2011-04-28|Easy-to-wear lace up article of footwear

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CN104918511A|2015-09-16|Article of footwear with layered fit system

JP3092086U|2003-02-28|Footwear with locking element

JP2018126439A|2018-08-16|Band for installing foot correction member

同族专利:

公开号 | 公开日

EP3100628B1|2018-12-05|

CA2898508A1|2014-08-28|

KR101759412B1|2017-07-18|

HK1209988A1|2016-04-15|

MX2015009407A|2016-02-18|

WO2014130319A1|2014-08-28|

ZA201505644B|2017-03-29|

CN105286205A|2016-02-03|

US20190313743A1|2019-10-17|

CN105286205B|2020-04-14|

AU2014219292B2|2016-10-20|

EP2934218B1|2017-04-19|

BR112015020202A2|2017-07-18|

CN105072939A|2015-11-18|

JP2016507327A|2016-03-10|

KR20150107832A|2015-09-23|

CA2898508C|2018-11-06|

US20140237850A1|2014-08-28|

AU2014219292A1|2015-08-06|

US11058182B2|2021-07-13|

CN105072939B|2016-09-14|

EP2934218A1|2015-10-28|

JP6319750B2|2018-05-09|

EP3100628A1|2016-12-07|

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法律状态:
2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

2020-04-22| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

2021-01-26| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

2021-03-30| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/02/2014, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

申请号 | 申请日 | 专利标题

US13/774,186|US20140237850A1|2013-02-22|2013-02-22|Footwear With Reactive Layers|

US13/774,186|2013-02-22|

PCT/US2014/016012|WO2014130319A1|2013-02-22|2014-02-12|Footwear with reactive layers|

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