US20200297068A1 - Layers with cells in footwear - Google Patents
Layers with cells in footwear Download PDFInfo
- Publication number
- US20200297068A1 US20200297068A1 US16/083,110 US201716083110A US2020297068A1 US 20200297068 A1 US20200297068 A1 US 20200297068A1 US 201716083110 A US201716083110 A US 201716083110A US 2020297068 A1 US2020297068 A1 US 2020297068A1
- Authority
- US
- United States
- Prior art keywords
- cell
- solid support
- sole
- footwear
- cells
- 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.)
- Abandoned
Links
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Images
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Definitions
- Footwear can be used for various purposes, including walking, jogging, playing sports, and so forth. Users desire that footwear be comfortable and provide adequate support when the users are engaged in various activities.
- FIG. 1 is a perspective view of a portion of a footwear according to some examples.
- FIG. 2 is a schematic view of a solid support having a lattice shape, according to further examples.
- FIG. 3 is a bottom view of a sole layer of a footwear, according to some examples.
- FIG. 4 is a perspective bottom view of a sole layer of a footwear, according to some examples.
- FIG. 5 is a perspective exploded view of various layers of a sole of a footwear, according to some examples.
- FIG. 6 is a perspective assembled view of various layers of a sole of a footwear, according to some examples.
- FIG. 7 is a bottom perspective view of an assembly including various layers of a sole, along with an injection element to inject a material into a cell of a sole layer, according to some examples.
- FIG. 8 is a flow diagram of a footwear customizing process according to some examples.
- FIG. 9 is a flow diagram of forming a sole of a footwear, according to further examples.
- footwear examples include shoes, sandals, boots, socks, or any other article that is to be worn on a foot (or feet) of a user.
- the sole of a footwear is designed to support a foot of a user.
- the sole can refer generally to a footwear's underlying structure on which the user's foot is placed and which provides support for the user's foot. Feet of different users can have different shapes and other characteristics. Thus, footwear that may satisfactorily support the feet of one user may not adequately support the feet of another user.
- footwear can be used in different activities, including walking, jogging, playing sports, standing, and so forth, which can be associated with different support and user comfort issues. Inadequate support for a user's feet can result in discomfort or pain to the user, and in some cases can lead to damage to the user's feet.
- the user may either return the footwear to the retailer (which results in added cost to the retailer), or the user may purchase additional inserts to place in the footwear to add support or improve comfort (which results in added cost to the user).
- a footwear can include cells that can be customized on demand.
- a “cell” can refer to a containing structure, such as a pouch, pocket, or any other receptacle in which is provided an inner cavity. The cells are provided as part of a layer of a sole of a footwear.
- the sole can be formed of multiple layers (referred to as “sole layers”), where one sole layer of the multiple sole layers can include cells according to some implementations of the present disclosure. In other examples, more than one sole layer can include cells according to some implementations.
- Cells in a sole layer can be injected with respective materials to customize a footwear for a user.
- Different cells in a sole layer can be injected with a same type of material, or with different types of materials.
- Different types of materials can be injected into the cells of the sole layer to achieve different dynamic behaviors of the sole layer, such as different dynamic performance of the elastomer material (or other material) that is used to form the sole (or a portion of the sole).
- the selection of a material to inject into each cell of a sole layer can depend on any one or some combination of the following factors: the shape of a user's foot, the size of the user's foot, the characteristic of an arch of the user's foot (e.g., high arch or low arch), the target use of the footwear (e.g., walking, jogging, running, basketball, soccer, football, standing, etc.), or other factors.
- footwear can be individually customized for a user.
- the customizing can be performed in a retail setting (such as in a footwear store) or in the home or other facility of a user who has purchased the footwear.
- the customizing can be performed by a manufacturer at the manufacturer's factory.
- the customizing can be performed in another setting or by another entity.
- a sole layer having multiple cells can include just a single cell into which a material can be injected for customization.
- FIG. 1 is perspective view of a portion of a sole layer 102 that is part of a footwear, according to some examples.
- the sole layer has a housing structure 103 which is the main outer structure of the sole layer 102 .
- the sole layer 102 includes a cell 104 , which has an inner cavity 106 .
- An inlet 108 is provided to allow for injection of a material into the inner cavity 106 of the cell 104 .
- the inlet 108 includes a membrane 110 through which an injection element can pass and extend into an inner channel 112 of the inlet 108 .
- the injection element can include the needle of a syringe, which can penetrate through the membrane 110 to allow for a material in the syringe to be injected into the inner cavity 106 of the cell 104 .
- the membrane 110 is self-sealing such that any material that is in the inner cavity 106 of the cell 104 remains in the cell 104 after the syringe needle has been removed.
- a different capping layer can be provided to cap an opening of the inlet 108 after a material has been injected into the cell 104 .
- the capping layer can include a lid that is removable from the inlet 108 to allow a material to be delivered through the inlet 108 into the inner cavity 106 . After delivering the material into the cell 104 , the lid can be re-attached to the inlet.
- other types of capping layers can be used.
- FIG. 1 shows a solid support 114 that is initially provided in the inner cavity 106 of the cell 104 .
- the solid support 114 is to provide initial support of the cell 104 after manufacture of the footwear (or the sole layer 102 ), such that the cell 104 can maintain its expanded shape as shown in FIG. 1 .
- the cell 104 may be collapsed when force is applied onto the cell 104 , such as during handling, shipment, or storage, which can make injecting a material into the cell 104 more difficult.
- the solid support 114 has a height that is approximately the height (to within ⁇ 5%, or ⁇ 10%, or ⁇ 20% of the height of the inner cavity 106 of the cell 104 .
- the solid support 114 is formed of a dissolvable material, which can be dissolved when a fluid is injected into the inner cavity 106 of the cell 104 through the inlet 108 .
- Dissolving a solid can refer to a conversion process in which the solid is converted into solutes (dissolved components), to form a solution of the fluid and the solutes.
- the solid support 114 can be formed of a material that includes polyvinyl alcohol (PVA), which is a water-soluble synthetic polymer.
- PVA polyvinyl alcohol
- the PVA solid support 114 remains as a solid in the absence of a solvent. However, once the solvent is introduced into the inner cavity 106 of the cell 104 , the PVA solid support 114 dissolves.
- the solvent can include water.
- the solvent can include a warm, high-alkaline water based liquid plus a thickening agent, such as polyethylene glycol.
- the amount of solvent that is injected into the inner cavity 106 of the cell 104 to dissolve the PVA solid support 114 can be a relatively small amount that does not fill the entirety of the inner cavity 106 of the cell 104 .
- the inner cavity 106 of the cell 104 is just partially filled, to allow more material to be injected into the inner cavity 106 of the cell 104 if desired.
- a solid support 114 can include non-hydrated silica gel crystals, sodium chloride or any other solid material that can be dissolved in the presence of a solvent, such as water or other fluid, or any other type of solvent.
- a chemical characteristic of the solid support 114 can be used to determine what solvent would be effective in dissolving the solid support 114 .
- the chemical characteristic can be the pH of the solid support 114 , where the pH determines what solvent would be effective to dissolve the solid support 114 .
- a selected material can be injected into the inner cavity 106 of the cell 104 .
- the injected material can include a fluid, such as a liquid or a gas.
- the material injected into the cell 104 can include a foam, a solid (e.g., a wax, a plastic, etc.), or another material.
- different types of materials can include a Newtonian fluid and a non-Newtonian fluid.
- the viscosity of a Newtonian fluid is independent of the rate of shear of the fluid. Examples Newtonian fluids include water or air. In contrast, the viscosity of a non-Newtonian fluid is dependent on the rate of shear. Most fluids are non-Newtonian fluids.
- One type of non-Newtonian fluid is a dilatant fluid (or shear thickening fluid), which has a viscosity that increases with the shear strain.
- Another type of non-Newtonian fluid is a pseudoplatic fluid (or shear thinning fluid), which has a viscosity that decreases with shear strain.
- a mechanical force can be applied to the solid support 114 to break up the solid support 114 into smaller pieces. For example, after a selected material is injected into the inner cavity 106 of the cell 104 to customize support for a user's foot, a mechanical force is applied to break up the solid support 114 .
- the mechanical force can be applied by bending the sole of the footwear that includes the sole layer 102 .
- FIG. 2 is an upper view of the solid support 114 according to some examples.
- the solid support 114 has a lattice shape, which includes strips of materials arranged in rows and columns.
- the solid support 114 can have a different shape or arrangement, so long as the solid support 114 is able to provide structural support to maintain the general shape of the cell 104 .
- FIG. 3 is a bottom view of a sole layer 302 that has multiple cells 304 .
- FIG. 4 is a perspective bottom view of the sole layer 302 .
- five cells are shown as part of the sole layer 302 .
- a different number of cells can be part of the sole layer 302 .
- Each cell 304 has a respective inlet 306 that allows for a material to be injected into the respective cell 304 .
- Each cell 304 and inlet 306 can have an arrangement similar to the cell 104 and inlet 108 , respectively, shown in FIG. 1 .
- the housing structure of the sole layer 302 can be formed of two polyethylene films, which can be sealed together to form the cells 304 .
- the films can be sealed using an ultrasonic sealing process. Ultrasonic sealing involves applying ultrasonic vibration to the polyethylene films to seal the films together. In other examples, other types of films or layers can be employed to form the sole layer 302 .
- the cells 304 are formed using a vacuum process during the ultrasonic sealing.
- the vacuum process can be used to evacuate chambers inside the sole layer 302 .
- the multiple cells 304 shown in FIGS. 3 and 4 can correspond to different parts of a user's foot, including the heel, arch, outer arch, metatarsal, and toe box, as examples.
- selected materials can be injected into the cells 304 .
- the same type of material can be injected into each of the cells 304 .
- a first type of material can be injected into a first of the cells 304
- a different second type of material can be injected into a second of the cells 304 .
- materials do not have to be injected into all of the cells 304 .
- a subset of the cells 304 can be left un-injected with any material, leaving the solid support 114 in each such cell 304 .
- a pressure mat or other type of measuring mechanism can be used to measure the profile of each region of the user's feet.
- the pressure mat can measure the pressures applied by different portions of each foot. Based on measured pressures, a determination can be made regarding the support that is to be provided by different portions of the footwear, which can lead to the decision of what material to inject into each cell 304 (or whether to not inject any material into a particular cell 304 ).
- an imaging system can be used to capture a three-dimensional (3D) image of the user's feet, and based on the 3D image, a decision can be made regarding materials to inject (or not) into respective cells 304 .
- the decision regarding which cells should be injected with materials, and which materials to use for each cell, can be made by a human, or by a computer, based on empirical data collected from tests conducted on users with feet of varying shapes and who use footwear for different purposes.
- the customization of a footwear using the cells of the sole layer 302 can occur at the factory of a manufacturer of the footwear, or in the home of a user who purchased the footwear.
- materials for injection into the cells of the sole layer 302 can be shipped to the user with the footwear, along with instructions on how to inject the materials.
- an injection kit can be provided with the footwear, where the injection kit can include a syringe, or multiple syringes (or other types of injection elements), which can be used to inject the materials into respective cells 304 of the sole layer 302 .
- a retailer or manufacturer can send replacement materials (possibly with another injection kit) to the user, to replace the material(s) previously injected into the cell(s).
- Replacing a material in a cell 304 can involve withdrawing the material from the cell 304 , and replacing the material with a different material.
- a syringe can be used to withdraw a material from a cell, and a different syringe can be used to inject a new material into the cell.
- the sole layer 302 can be manufactured to be part of other layers of the sole of a footwear.
- the sole layer 302 is attached to other layers of a sole of the footwear.
- FIG. 5 shows an exploded view of the layers of a sole 500 of a footwear, such as a shoe or other type of footwear.
- the layers of the sole 500 include an outer sole layer 502 , a midsole layer 504 , and the sole layer 302 with cells 304 .
- the sole layer 302 with cells 304 can be received in a receptacle 506 of the midsole layer 504 .
- the sole layer 302 can thus reside within the side wall 510 of the midsole layer 504 .
- the sole layer 302 with cells 304 can reside entirely within the receptacle 506 defined by the side wall 510 of the midsole layer 504 .
- the sole layer 302 with cells 304 can be affixed to a surface 508 (e.g., the upper surface) of the midsole layer 504 .
- the affixing of the sole layer 302 to the surface 508 of the midsole layer 504 can be performed by using an adhesive or other type of fastener.
- the midsole layer 504 is in turn affixed to the outer sole layer 502 , either by an adhesive or a different fastener.
- the outer sole layer 502 has openings 512 that align with the inlets 306 ( FIG. 3 ) of the sole layer 302 .
- corresponding openings 514 are formed in the midsole layer 504 , which are aligned with the openings 512 in the outer sole layer 502 as well as with the openings 512 in the outer sole layer 502 .
- the aligned openings 512 and 514 allow injection elements to pass through the respective openings 512 , 514 , to inject respective materials through the inlets 306 of respective cells 304 of the sole layer 302 .
- the sole layer 302 is placed on the midsole layer 504 prior to installation of the upper of the footwear, where the upper refers to the upper structure of the footwear that covers the upper part of the foot of the user.
- the upper can be formed of a fabric, leather, or any other type of material.
- FIG. 6 is an assembled view that shows the sole 500 with the outer sole layer 502 , midsole layer 504 , and sole layer 302 with cells all attached together in an assembly.
- FIG. 7 is a bottom perspective view of the sole 500 of FIG. 6 , which shows openings 702 formed in the bottom surface 704 of the outer sole layer 502 .
- an injection element 706 is used to inject a material into a cell of the sole layer 302 through a respective opening 512 .
- the injection element 706 is a syringe that has a needle 708 that can penetrate through the membrane of a respective inlet (such as 306 shown in FIG. 3 ).
- FIG. 7 shows just one injection element 706 , it is noted that in other examples, multiple injection elements can be used to deliver respective materials to corresponding cells 304 of the sole layer 302 .
- FIG. 8 is a flow diagram of a process that includes customizing (at 802 ) a sole layer of a footwear for a user.
- Customizing includes injecting (at 804 ) a material through an inlet into an inner cavity of a cell in the sole layer, to customize support for a foot of a user, where a solid support is positioned in the inner cavity of the cell.
- the customizing further includes applying (at 806 ) a force on the solid support to break up the solid support inside the inner cavity of the cell.
- FIG. 9 is a flow diagram of a process of forming a sole for a footwear.
- the process of FIG. 9 includes providing (at 902 ) a sole layer of the sole, the sole layer including a cell having an inner cavity to receive a material injected through an inlet, to customize support for a foot of a user.
- the process of FIG. 9 further includes arranging (at 904 ) a solid support in the inner cavity of the cell, the solid support to break up inside the inner cavity of the cell in response to an applied force.
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2017/026779 WO2018190789A1 (fr) | 2017-04-10 | 2017-04-10 | Couches avec cellules dans un article chaussant |
Publications (1)
Publication Number | Publication Date |
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US20200297068A1 true US20200297068A1 (en) | 2020-09-24 |
Family
ID=63793424
Family Applications (1)
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US16/083,110 Abandoned US20200297068A1 (en) | 2017-04-10 | 2017-04-10 | Layers with cells in footwear |
Country Status (4)
Country | Link |
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US (1) | US20200297068A1 (fr) |
EP (1) | EP3609361A4 (fr) |
CN (1) | CN110831454B (fr) |
WO (1) | WO2018190789A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3125686A1 (fr) * | 2021-07-29 | 2023-02-03 | Decathlon | Article chaussant |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006542A (en) * | 1974-11-04 | 1977-02-08 | Larson Corporation | Shoe insole of a solid crystalline polymer |
US3914881A (en) * | 1975-02-03 | 1975-10-28 | Rex Striegel | Support pad |
US4385024A (en) * | 1978-07-31 | 1983-05-24 | Tansill Horace A | Method for making a molded article from a curable material and a curing agent, the curing agent being in a container initially flexible and infrangible which is made frangible |
US4297797A (en) * | 1978-12-18 | 1981-11-03 | Meyers Stuart R | Therapeutic shoe |
TW214511B (fr) * | 1991-11-01 | 1993-10-11 | Nike International Ltd | |
US5996254A (en) * | 1999-03-04 | 1999-12-07 | Goven; Michael | Inflatable insole system |
US6571490B2 (en) * | 2000-03-16 | 2003-06-03 | Nike, Inc. | Bladder with multi-stage regionalized cushioning |
TW587013B (en) * | 2002-04-22 | 2004-05-11 | Jeng-Shian Ji | Method for making resilient shoe sole that comprises a stereoscopic contour integrally formed about a peripherey thereof |
WO2005038706A2 (fr) * | 2003-10-14 | 2005-04-28 | Amfit, Inc. | Procede de saisie et de reproduction d'un contour 3d |
KR100470905B1 (ko) * | 2003-12-16 | 2005-03-14 | 박종배 | 각 개인의 발모양 및 운동 특성에 맞는 피팅 인솔 및 그 제조방법 |
US7588654B2 (en) * | 2007-08-13 | 2009-09-15 | Nike, Inc. | Fluid-filled chambers with foam tensile members and methods for manufacturing the chambers |
AT509893B9 (de) * | 2010-06-07 | 2013-02-15 | Fischer Sports Gmbh | Vorrichtung und verfahren zum anpassen eines schuhs |
-
2017
- 2017-04-10 US US16/083,110 patent/US20200297068A1/en not_active Abandoned
- 2017-04-10 WO PCT/US2017/026779 patent/WO2018190789A1/fr unknown
- 2017-04-10 EP EP17905637.9A patent/EP3609361A4/fr active Pending
- 2017-04-10 CN CN201780091876.3A patent/CN110831454B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN110831454B (zh) | 2021-07-27 |
CN110831454A (zh) | 2020-02-21 |
EP3609361A4 (fr) | 2020-10-14 |
WO2018190789A1 (fr) | 2018-10-18 |
EP3609361A1 (fr) | 2020-02-19 |
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