Improved soles and insoles for shoes, in particular sports shoes, are described. In an aspect, a sole for a shoe, in particular a sports shoe, with at least a first and a second surface region is provided. The first surface region comprises expanded thermoplastic polyurethane (“TPU”). The second sur
Improved soles and insoles for shoes, in particular sports shoes, are described. In an aspect, a sole for a shoe, in particular a sports shoe, with at least a first and a second surface region is provided. The first surface region comprises expanded thermoplastic polyurethane (“TPU”). The second surface region is free from expanded TPU.
대표청구항▼
1. A sole comprising a first component and a second, separately formed, component, wherein the first component and the second component are combined to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, and the second component comp
1. A sole comprising a first component and a second, separately formed, component, wherein the first component and the second component are combined to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, and the second component comprises at least a second surface region of the sole;wherein the first surface region comprises expanded thermoplastic polyurethane in the form of expanded thermoplastic polyurethane particles, wherein adjacent expanded thermoplastic polyurethane particles are directly bonded to one another at their surfaces to form a granular but closed plastic foam structure, wherein the closed plastic foam structure of the first surface region of the sole is free of gaps passing therethrough;wherein the first surface region comprises greater cushioning properties than the second surface region;wherein the second surface region is free from expanded thermoplastic polyurethane;wherein the second surface region is stiffer than the first surface region such that, under shear, the second surface region increases stability of the first surface region;wherein at least a first portion of the first surface region forms a first portion of an outer rim of the sole; andwherein at least a portion of the second surface region forms a second portion of the outer rim of the sole and at least another portion of the second surface region is arranged above the first surface region. 2. The sole according to claim 1, wherein the first surface region is arranged in at least one of a forefoot region or a heel region. 3. The sole according to claim 1, wherein a portion of an outer perimeter of the first surface region comprises an increased thickness that forms the first portion of the outer rim of the sole. 4. The sole according to claim 1, wherein the first surface region is shaped to extend from at least a toe region through a midfoot region of the sole, wherein a thickness of the first surface region increases from the toe region to the midfoot region. 5. The sole according to claim 1, further comprising an intermediate sole arranged proximate the first surface region and shaped to conform to a surface shape of the first surface region, wherein the intermediate sole is free from expanded thermoplastic polyurethane. 6. The sole according to claim 5, wherein the intermediate sole is arranged above the first surface region. 7. The sole according to claim 5, wherein the second surface region and the intermediate sole are integrally connected. 8. The sole according to claim 5, wherein at least one of the second surface region and the intermediate sole comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 9. The sole according to claim 1, wherein the first surface region comprises less than about 40% of the sole. 10. A shoe comprising the sole according to claim 1. 11. The sole according to claim 1, wherein at least a second portion of the first surface region is exposed. 12. The sole according to claim 1, wherein the particles have a substantially elliptical or spherical shape. 13. A sole comprising a first component and a second, separately formed, component, wherein the first component and the second component are combined to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, and the second component comprises at least a second surface region of the sole;wherein the first surface region comprises expanded thermoplastic polyurethane in the form of expanded thermoplastic polyurethane particles, wherein adjacent expanded thermoplastic polyurethane particles are directly bonded to one another at their surfaces to form a granular but closed plastic foam structure, wherein the closed plastic foam structure of the first surface region of the sole is free of gaps passing therethrough;wherein the first surface region comprises greater cushioning properties than the second surface region;wherein the second surface region is free from expanded thermoplastic polyurethane;wherein the second surface region is stiffer than the first surface region such that, under shear, the second surface region increases stability of the first surface region;wherein a portion of an outer perimeter of the first surface region comprises an increased thickness that forms a first portion of an outer rim of the sole; andwherein at least a first portion of the second surface region is arranged above the first surface region, and at least a second portion of the second surface region is arranged proximate an end of the first surface region. 14. The sole according to claim 13, wherein the first surface region is arranged in at least one of a forefoot region or a heel region. 15. The sole according to claim 13, wherein the first surface region is shaped to extend from at least a toe region through a midfoot region of the sole, wherein a thickness of the first surface region increases from the toe region to the midfoot region. 16. The sole according to claim 14, further comprising an intermediate sole arranged proximate the first surface region and shaped to conform to a surface shape of the first surface region, wherein the intermediate sole is free from expanded thermoplastic polyurethane. 17. The sole according to claim 16, wherein the intermediate sole is arranged above the first surface region. 18. The sole according to claim 16, wherein the second surface region and the intermediate sole are integrally connected. 19. The sole according to claim 16, wherein at least one of the second surface region and the intermediate sole comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 20. The sole according to claim 13, wherein the first surface region comprises less than 40% of the sole. 21. A shoe comprising the sole according to claim 13. 22. The sole according to claim 13, wherein at least a portion of the first surface region is exposed. 23. The sole according to claim 13, wherein the particles have a substantially elliptical or spherical shape. 24. A sole comprising a first component and a second, separately formed, component, wherein the first component and the second component are combined to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, and the second component comprises at least a second surface region of the sole;wherein the first surface region comprises expanded thermoplastic polyurethane in the form of expanded thermoplastic polyurethane particles, wherein adjacent expanded thermoplastic polyurethane particles are directly bonded to one another at their surfaces to form a granular but closed plastic foam structure, wherein the closed plastic foam structure of the first surface region of the sole is free of gaps passing therethrough;wherein the first surface region comprises greater cushioning properties than the second surface region;wherein the second surface region is free from expanded thermoplastic polyurethane;wherein the second surface region is stiffer than the first surface region such that, under shear, the second surface region increases stability of the first surface region;wherein the first surface region is arranged in a forefoot region or a heel region of the sole; andwherein the second surface region comprises an intermediate sole arranged proximate the first surface region and shaped to conform to a surface shape of the first surface region, wherein the intermediate sole is free from expanded thermoplastic polyurethane. 25. The sole according to claim 24, wherein a portion of an outer perimeter of the first surface region comprises an increased thickness that forms a first portion of an outer rim of the sole. 26. The sole according to claim 24, wherein the first surface region is shaped to extend from at least a toe region through a midfoot region of the sole, wherein a thickness of the first surface region increases from the toe region to the midfoot region. 27. The sole according to claim 24, wherein the intermediate sole is arranged above the first surface region. 28. The sole according to claim 24, wherein the second surface region and the intermediate sole are integrally connected. 29. The sole according to claim 24, wherein at least one of the second surface region and the intermediate sole comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 30. The sole according to claim 24, wherein the first surface region comprises less than 40% of the sole. 31. A shoe comprising the sole according to claim 24. 32. The sole according to claim 24, wherein at least a portion of the first surface region is exposed. 33. The sole according to claim 24, wherein the particles have a substantially elliptical or spherical shape. 34. A sole comprising a first component and a second, separately formed, component, wherein the first component and the second component are combined to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, and the second component comprises at least a second surface region of the sole;wherein the first surface region comprises expanded thermoplastic polyurethane particles, each expanded thermoplastic polyurethane particle having an outer surface enclosing an internal foam structure, and wherein the first surface region comprises a closed plastic foam structure having adjacent expanded thermoplastic polyurethane particles directly bonded to one another at their surfaces, wherein the closed plastic foam structure of the first surface region of the sole is free of gaps passing therethrough;wherein the first surface region comprises greater cushioning properties than the second surface region;wherein the second surface region is free from expanded thermoplastic polyurethane;wherein the second surface region is stiffer than the first surface region such that, under shear, the second surface region increases stability of the first surface region;wherein at least a first portion of the first surface region forms a first portion of an outer rim of the sole; andwherein at least a portion of the second surface region forms a second portion of the outer rim of the sole and at least another portion of the second surface region is arranged above the first surface region.
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