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 expanded thermoplastic polyurethane;wherein the second surface is stiffer than the first surface region such that, under shear, the second surface region increase stability of the first surface region; andwherein at least a portion of the second surface region is arranged along an outer rim of the sole and is arranged in an area between a forefoot region and a heel region of the sole to surround the first surface region. 2. The sole according to claim 1, wherein the second surface region is shaped to restrict extension of the first surface region. 3. The sole according to claim 1, further comprising a recess for an electronics unit. 4. The sole according to claim 1, wherein the second surface region comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 5. The sole according to claim 1, wherein the sole has a weight of less than 100 g. 6. The sole according to claim 1, wherein the first surface region comprises less than 40% of the sole. 7. A shoe comprising the sole of claim 1. 8. The sole according to claim 1, further comprising a third surface region comprising 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. 9. The sole according to claim 8, wherein the particles of the expanded thermoplastic polyurethane of the first surface region comprise a higher strength than the plurality of expanded thermoplastic polyurethane of the third surface region. 10. The sole according to claim 8, wherein the first surface region is arranged in the heel region of the sole and the third surface region is arranged in the forefoot region of the sole. 11. The sole according to claim 10, wherein the particles of the expanded thermoplastic polyurethane of the first surface region comprise a higher strength than the particles of the expanded thermoplastic polyurethane of the third surface region. 12. The sole according to claim 1, wherein at least a portion of the first surface region is exposed. 13. The sole according to claim 1, wherein the particles comprise a diameter of 0.5 mm to 25 mm. 14. The sole according to claim 1, wherein the particles have a substantially elliptical or spherical shape. 15. 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 increase stability of the first surface region;wherein at least a portion of the second surface region is arranged along an outer rim of the sole and is shaped to surround the first surface region; andwherein the first surface region is arranged in at least one of a forefoot region and a heel region. 16. The sole according to claim 15, wherein the first surface region comprises less than 40% of the sole. 17. The sole according to claim 15, further comprising a recess for an electronics unit. 18. The sole according to claim 15, wherein the second surface region comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 19. The sole according to claim 15, wherein at least a portion of the first surface region is exposed. 20. The sole according to claim 15, wherein the particles comprise a diameter of 0.5 mm to 25 mm. 21. The sole according to claim 15, wherein the particles have a substantially elliptical or spherical shape. 22. A sole comprising a first component, a second component, and a third component, wherein the second component is separately formed from the first component and the third component;wherein the second component is combined with the first component and the third component to form at least a portion of the sole;wherein the first component comprises at least a first surface region of the sole, the second component comprises at least a second surface region of the sole, and the third component comprises at least a third surface region of the sole;wherein the first surface region and the third surface region comprise 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 and the third surface region of the sole is free of gaps passing therethrough;wherein the first surface region and third surface region comprise 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 and the third surface region such that, under shear, the second surface region increases stability of the first surface region and the third surface region; andwherein at least a portion of the second surface region is arranged along an outer rim of the sole and is arranged in an area between a forefoot region and a heel region of the sole to separate and surround the first surface region and the third surface region. 23. The sole according to claim 22, further comprising a recess for an electronics unit. 24. The sole according to claim 22, wherein the particles of the expanded thermoplastic polyurethane of the first surface region comprise a higher strength than the particles of the expanded thermoplastic polyurethane of the third surface region. 25. The sole according to claim 22, wherein the second surface region comprises at least one of foamed ethylene-vinyl acetate, non-expanded thermoplastic polyurethane, rubber, polypropylene, polyamide, polystyrene, and expanded polypropylene. 26. The sole according to claim 22, wherein the sole has a weight of less than 100 g. 27. The sole according to claim 22, wherein the first surface region and the third surface region comprise less than 40% of the sole. 28. A shoe comprising the sole of claim 22. 29. The sole according to claim 22, wherein at least a portion of the first surface region and at least a portion of the third surface region are exposed. 30. The sole according to claim 22, wherein the particles comprise a diameter of 0.5 mm to 25 mm. 31. The sole according to claim 22, wherein the particles have a substantially elliptical or spherical shape. 32. 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; andwherein at least a portion of the second surface region is arranged along an outer rim of the sole and is arranged in an area between a forefoot region and a heel region of the sole to surround the first surface region.
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