Article of footwear with one or more auxetic bladders
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A43B-013/14
A43B-013/18
A43B-013/20
A63B-071/08
A63B-071/12
출원번호
US-0503506
(2014-10-01)
등록번호
US-9854869
(2018-01-02)
발명자
/ 주소
Nordstrom, Matthew D.
출원인 / 주소
NIKE, Inc.
대리인 / 주소
Quinn IP Law
인용정보
피인용 횟수 :
6인용 특허 :
72
초록▼
An article of footwear with a midsole has an auxetic bladder member formed from inflated components surrounding star-shaped apertures. The inflated components form one or more auxetic bladders, and may have a triangular geometry. The inflated components are fluidly connected to adjoining components.
An article of footwear with a midsole has an auxetic bladder member formed from inflated components surrounding star-shaped apertures. The inflated components form one or more auxetic bladders, and may have a triangular geometry. The inflated components are fluidly connected to adjoining components. Adjoining inflated components are hingedly connected, so that they can rotate with respect to each other in the plane of the midsole.
대표청구항▼
1. An article of footwear comprising: an upper affixed to a sole structure;wherein said sole structure comprises a midsole; andwherein the midsole includes an inflated auxetic bladder defining a closed internal volume, the auxetic bladder including: a plurality of apertures extending through a thick
1. An article of footwear comprising: an upper affixed to a sole structure;wherein said sole structure comprises a midsole; andwherein the midsole includes an inflated auxetic bladder defining a closed internal volume, the auxetic bladder including: a plurality of apertures extending through a thickness of the bladder and each being fluidly isolated from the closed internal volume;a plurality of fluidly-connected inflated components, each defining a portion of the internal volume; andwherein an arrangement of the plurality of apertures and the plurality of fluidly-connected inflated components across the bladder provides the auxetic bladder with an auxetic property. 2. The article of footwear of claim 1, wherein the inflated components are inflated polygonal components. 3. The article of footwear of claim 1, wherein the inflated components are inflated triangular components. 4. The article of footwear of claim 2, wherein adjoining inflated polygonal components are fluidly connected to each other at their common vertices. 5. The article of footwear of claim 1, wherein the midsole comprises a plurality of separate longitudinally-extending bladder members that have an auxetic structure. 6. The article of footwear of claim 1, wherein the midsole comprises a heel bladder member that has an auxetic structure in a heel region of the midsole and a forefoot bladder member that has an auxetic structure in the forefoot region of the midsole. 7. The article of footwear of claim 1, wherein the inflated features are inflated with one of air and nitrogen. 8. A bladder member for an article of footwear comprising: a plurality of inflated components that are hingedly and fluidly connected to each other to form an inflated auxetic structure having an internal volume;wherein the plurality of inflated components define a plurality of apertures therebetween, and wherein each of the plurality of apertures extends entirely through the bladder member and is fluidly isolated from the internal volume; andwherein an arrangement of the plurality of inflated components and the plurality of apertures provides the auxetic bladder with an auxetic property. 9. The bladder member of claim 8, wherein the inflated components have a hollow, polygonal prismatic shape that each define a portion of the internal volume. 10. The bladder member of claim 9, wherein the hollow, polygonal prismatic shape is a triangular prismatic shape. 11. The bladder member of claim 8, further comprising a valve that is in fluid communication with the internal volume through a wall of the auxetic bladder. 12. The bladder member of claim 11, wherein the valve is a first valve, and the plurality of inflated components form a first plurality of inflated components; further comprising a second valve that is in fluid communication with a second internal volume defined by a second plurality of inflated components, wherein the second plurality of inflated components form a second auxetic structure; andwherein the first internal volume is fluidly isolated from the second internal volume. 13. The bladder member of claim 10, wherein the bladder member has a heel region, a midfoot region and a forefoot region, wherein the bladder member comprises a heel auxetic bladder in the heel region, a midfoot auxetic bladder in the midfoot region, and a forefoot auxetic bladder in the forefoot region. 14. The bladder member of claim 8, wherein the internal volume is inflated to a pressure ranging from about one atmosphere to about 3.5 atmospheres. 15. An article of footwear comprising an upper, a midsole attached to the upper and an outsole attached to the midsole, wherein the midsole comprises at least one auxetic portion,wherein the auxetic portion comprises inflated triangular components surrounding star-shaped apertures,wherein each inflated triangular component is hingedly connected to at least one adjoining triangular component to form an auxetic structure in which the triangular components can rotate with respect to each other in a plane of the midsole, andwherein the triangular components are fluidly connected to each other to form an auxetic bladder. 16. The article of footwear of claim 15, wherein the midsole also comprises at least one portion of a resilient polymer material. 17. The article of footwear of claim 15, wherein the midsole comprises a heel region and a forefoot region, and wherein the midsole comprises a heel auxetic bladder in the heel region of the midsole, and a forefoot auxetic bladder in the forefoot region of the midsole. 18. The article of footwear of claim 17, wherein the midsole comprises a polymer material portion separating the heel auxetic bladder from the forefoot auxetic bladder. 19. The article of footwear of claim 15, wherein the midsole comprises a plurality of longitudinally extending auxetic bladders. 20. The article of footwear of claim 15, wherein adjoining inflated triangular components are fluidly connected to each other at their common vertices. 21. The article of footwear of claim 15, wherein the auxetic bladder can conform to a compound curved surface. 22. A bladder member, comprising: a plurality of fluidly-connected inflated components that form an auxetic structure;wherein each of the fluidly-connected inflated components are connected to adjacent ones of the plurality of fluidly-connected inflated components by connecting portions that function as hinges, allowing adjacent inflated components to rotate with respect to each other;wherein the arrangement and interconnection of the plurality of fluidly-connected inflated components provide the bladder member with an auxetic property such that the bladder member is configured to expand in a first direction and a second direction that is orthogonal to the first direction when the bladder member is tensioned in the first direction. 23. The bladder member according to claim 22, wherein the inflated components have a triangular prism geometry. 24. The bladder member according to claim 23, wherein the inflated components are joined to form patterns of apertures with tri-star cross-sectional geometries. 25. The bladder member according to claim 22, wherein the bladder member is configured to be incorporated into a shin guard. 26. The bladder member according to claim 22, wherein the bladder member is configured to be incorporated into a pad on a bag.
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