Multilayered textile material in shoes
Described are shoe uppers in which at least a portion thereof is formed of a multilayered material. The multilayered material includes at least one nonwoven fiber layer with unidirectionally oriented fibers and a matrix material, wherein the multilayered material has elastic properties that allow the multilayered material to deform when stretched over a three dimensional mold.
1. A shoe upper comprising at least a portion formed of a multilayered material comprising:
(a) a collection of an odd number of nonwoven fiber layers, wherein the collection comprises a base layer and at least one set of paired layers, each nonwoven fiber layer comprising a plurality of unidirectionally oriented fibers, wherein the fibers in a first layer of the at least one set of paired layers form an angle in the range of −25° to 65° with respect to the fibers in the base layer, and the fibers in a second layer of the at least one set of paired layers form an angle in the range of +25° to +65° with respect to the fibers in the base layer; and
(b) a matrix material;
wherein the multilayered material comprises elastic properties that allow the multilayered material to deform into a smooth three dimensional shape when the multilayered material is stretched over a three dimensional mold, wherein the multilayered material is not cut or sewn to eliminate wrinkles in the smooth three dimensional shape.
2. The shoe upper of claim 1 , wherein the matrix material comprises a first outer layer adhered to a side of one of the nonwoven fiber layers, and a second outer layer adhered to a side of another one of the nonwoven fiber layers.
3. The shoe upper of claim 2 , wherein the first outer layer and the second outer layer are formed of materials selected from the group consisting of thermoplastic polyurethane, other polyurethanes, silicone, ethylene propylene diene, polyvinyl chloride, thermoplastic elastomer, polylactic acid, polyamide, and polyethylene.
4. The shoe upper of claim 2 , wherein at least one of the first outer layer and the second outer layer is formed of thermoplastic polyurethane and comprises screen printing.
5. The shoe upper of claim 1 , wherein the fibers in the first layer of the at least one set of paired layers form an angle in the range of −30° to 60° with respect to the fibers in the base layer, and the fibers in the second layer of the at least one set of paired layers form an angle in the range of +30° to +60° with respect to the fibers in the base layer.
6. The shoe upper of claim 1 , wherein the fibers in the first layer of the at least one set of paired layers form an angle of −40° or −50° with respect to the fibers in the base layer, and the fibers in the second layer of the at least one set of paired layers form an angle of +40° or +50° with respect to the fibers in the base layer.
7. The shoe upper of claim 1 , wherein the fibers are formed of materials selected from the group consisting of ultra high molecular weight polyethylene, other polyethylenes, polyester, nylon, Basalt, aramid, carbon, polymer/carbon composites, liquid crystal polymers, and high performance films.
8. The shoe upper of claim 1 , wherein substantially all of the shoe upper is formed of the multilayered material.
9. The shoe upper of claim 8 , wherein the nonwoven fiber layers are punctured to improve breathability of the multilayered material.
10. The shoe upper of claim 8 , further comprising a wicking lining to transport moisture away from the multilayered material.
11. The shoe upper of claim 8 , wherein the multilayered material further comprises a hydrophilic layer to pull moisture away from the multilayered material.
12. The shoe upper of claim 1 , wherein at least one of a heel area, a midfoot area, and a toe area comprise additional layers of the multilayered material.
13. The shoe upper of claim 1 , wherein the fibers in at least one of the nonwoven fiber layers are aligned with a direction of high durability or stretch restriction.
14. A shoe upper comprising:
(a) a first portion formed of a breathable material;
(b) a second portion formed of a multilayered material comprising:
(i) a collection of an odd number of nonwoven fiber layers, wherein the collection comprises a base layer and at least one set of paired layers, each nonwoven fiber layer comprising a plurality of unidirectionally oriented fibers, wherein the fibers in a first layer of the at least one set of paired layers form an angle in the range of −25° to 65° with respect to the fibers in the base layer, and the fibers in a second layer of the at least one set of paired layers form an angle in the range of +25° to +65° with respect to the fibers in the base layer; and
(ii) a matrix material;
wherein the multilayered material comprises elastic properties that allow the multilayered material to deform into a smooth three dimensional shape when the multilayered material is stretched over a three dimensional mold, wherein the multilayered material is not cut or sewn to eliminate wrinkles in the smooth three dimensional shape.
15. The shoe upper of claim 14 , wherein the matrix material comprises a first outer layer adhered to a side of one of the nonwoven fiber layers, and a second outer layer adhered to a side of another one of the nonwoven fiber layers.
16. The shoe upper of claim 15 , wherein the first outer layer and the second outer layer are formed of materials selected from the group consisting of thermoplastic polyurethane, other polyurethanes, silicone, ethylene propylene diene, polyvinyl chloride, thermoplastic elastomer, polylactic acid, polyamide, and polyethylene.
17. The shoe upper of claim 15 , wherein at least one of the first outer layer and the second outer layer is formed of thermoplastic polyurethane and comprises screen printing.
18. The shoe upper of claim 14 , wherein the fibers in the first layer of the at least one set of paired layers form an angle in the range of −30° to −60° with respect to the fibers in the base layer, and the fibers in the second layer of the at least one set of paired layers form an angle in the range of +30° to +60° with respect to the fibers in the base layer.
19. The shoe upper of claim 14 , wherein the fibers in the first layer of the at least one set of paired layers form an angle of −40° or −50° with respect to the fibers in the base layer, and the fibers in the second layer of the at least one set of paired layers form an angle of +40° or +50° with respect to the fibers in the base layer.
20. The shoe upper of claim 14 , wherein the fibers are formed of materials selected from the group consisting of ultra high molecular weight polyethylene, other polyethylenes, polyester, nylon, Basalt, aramid, carbon, polymer/carbon composites, liquid crystal polymers, and high performance films.
21. The shoe upper of claim 14 , wherein at least one of a heel area, a midfoot area, and a toe area comprise additional layers of the multilayered material.
22. The shoe upper of claim 14 , wherein the fibers in at least one of the nonwoven fiber layers are aligned with a direction of high durability or stretch restriction.
23. A shoe comprising:
(a) an upper; and
(b) a sole coupled to the upper;
wherein a portion of at least one of the upper and the sole comprises a multilayered material comprising:
(i) a collection of an odd number of nonwoven fiber layers, wherein the collection comprises a base layer and at least one set of paired layers, each fiber layer comprising a plurality of unidirectionally oriented fibers; and
(ii) a matrix material;
wherein the multilayered material comprises elastic properties that allow the multilayered material to deform into a smooth three dimensional shape when the multilayered material is stretched over a three dimensional mold, wherein the multilayered material is not cut or sewn to eliminate wrinkles in the smooth three dimensional shape.
24. A shoe comprising:
(a) an upper; and
(b) a sole coupled to the upper;
wherein a portion of at least one of the upper and the sole comprises a multilayered material comprising:
(i) a collection of an odd number of nonwoven fiber layers, wherein the collection comprises a base layer and at least one set of paired layers, each nonwoven fiber layer comprising a plurality of unidirectionally oriented fibers, wherein the fibers in a first layer of the at least one set of paired layers form an angle in the range of −25° to 65° with respect to the fibers in the base layer, and the fibers in a second layer of the at least one set of paired layers form an angle in the range of +25° to +60° with respect to the fibers in the base layer; and
(ii) a matrix material;
wherein the multilayered material comprises elastic properties that allow the multilayered material to deform into a smooth three dimensional shape when the multilayered material is stretched over a three dimensional mold, wherein the multilayered material is not cut or sewn to eliminate wrinkles in the smooth three dimensional shape.
25. The shoe of claim 24 , wherein the matrix material comprises a first outer layer adhered to a side of one of the nonwoven fiber layers, and a second outer layer adhered to a side of another one of the nonwoven fiber layers.
26. The shoe of claim 25 , wherein the first outer layer and the second outer layer are formed of materials selected from the group consisting of thermoplastic polyurethane, other polyurethanes, silicone, ethylene propylene diene, polyvinyl chloride, thermoplastic elastomer, polylactic acid, polyamide, and polyethylene.
27. The shoe of claim 25 , wherein at least one of the first outer layer and the second outer layer is formed of thermoplastic polyurethane and comprises screen printing.
28. The shoe of claim 24 , wherein the fibers in one of the nonwoven fiber layers form an angle in the range of −30° to −60° with respect to the fibers in another one of the nonwoven fiber layers.
29. The shoe of claim 24 , wherein the fibers in one of the nonwoven fiber layers form an angle of −40° or −50° with respect to the fibers in another one of the nonwoven fiber layers.
30. The shoe of claim 24 , wherein the fibers are formed of materials selected from the group consisting of ultra high molecular weight polyethylene, other polyethylenes, polyester, nylon, Basalt, aramid, carbon, polymer/carbon composites, liquid crystal polymers, and high performance films.
31. The shoe of claim 24 , wherein substantially all of the upper is formed of the multilayered material.
32. The shoe of claim 24 , wherein at least one of a heel area, a midfoot area, and a toe area comprise additional layers of the multilayered material.
33. The shoe of claim 24 , wherein the fibers in at least one of the nonwoven fiber layers are aligned with a direction of high durability or stretch restriction.
34. The shoe of claim 24 , wherein the multilayered material forms a bottom plate in the sole.