Uppers and articles incorporating same
A composite shell for an upper may include a base layer and a fiber-reinforced layer. The base layer may comprise a mesh or other type of textile material and may extend at least over sides of a generally foot-shaped interior region of the upper. The fiber-reinforced layer may be at least partially bonded to the base layer. The fiber-reinforced layer may extend at least from a lower portion of the base layer generally corresponding to a footbed perimeter to at least a top portion of the base layer generally corresponding to part of an instep region. The fiber-reinforced layer may include a plurality of strips extending from the lower portion to the top portion, the strips separated by inter-strip gaps in the fiber-reinforced layer.
1. An upper comprising:
a textile base layer extending over sides of a generally foot-shaped interior region, the textile base layer including an outer edge, tongue opening edges, and ankle opening edges, the textile base layer further including an exterior face extending between the outer edge and the tongue opening edges and between the outer edge and the ankle opening edges; and
a fiber-reinforced layer comprising a first panel, the first panel being a continuous and seamless single piece of composite material that includes reinforcing fibers bound in a polymer matrix, the first panel including an interior face, and wherein at least portions of the interior face of the first panel are bonded to portions of the exterior face of the textile base layer by penetration of solidified bonding material forming those bonded portions of the interior face of the first panel into interstices of the exterior face, wherein
the first panel includes portions located in lateral forefoot, lateral midfoot, lateral heel, and medial heel regions of the upper, the first panel further including a portion extending from the lateral heel region and across a central heel region to the medial heel region,
the first panel includes a plurality of strips, the strips separated by and defining inter-strip gaps in the first panel, the strips distributed across the lateral forefoot, the lateral midfoot, the lateral heel, and the medial heel regions, and
the first panel includes a central strip extending upwardly along the central heel region, and a plurality of strips branch outwardly and upwardly from the central strip toward the lateral heel region and a plurality of strips branch outwardly and upwardly from the central strip toward the medial heel region.
2. The upper of claim 1 , wherein the base layer comprises a stretchable textile material.
3. The upper of claim 1 , wherein the reinforcing fibers comprise a non-stretchable fiber material.
4. The upper of claim 1 , wherein the base layer comprises a knitted mesh.
5. The upper of claim 1 , wherein the reinforcing fibers comprise at least one of woven polyester fibers and woven polyamide fibers bound in the polymer matrix.
6. The upper of claim 1 , wherein the reinforcing fibers comprise at least one of glass fibers and carbon fibers bound in the polymer matrix.
7. The upper of claim 1 , wherein the base layer comprises a continuous single-piece knitted element.
8. The upper of claim 1 , wherein
the fiber-reinforced layer comprises a second panel, the second panel being a single sheet of composite material that includes reinforcing fibers bound in a polymer matrix,
the second panel includes an interior face, at least portions of the interior face of the second panel being bonded to different portions of the exterior face of the textile base layer, and
the second panel comprises a plurality of second strips separated by and defining second inter-strip gaps in the second panel, the second strips distributed across a medial forefoot region of the upper, a medial midfoot region of the upper, and the medial heel region.
9. The upper of claim 8 , wherein the strips have orientations that progressively vary from a rearwardly angled orientation in a front portion of the upper to a forwardly angled orientation in a rear portion of the upper.
10. An article of footwear comprising:
the upper of claim 1 ; and
a sole structure joined to the upper.
11. The upper of claim 9 , wherein
the second strips have orientations that progressively vary from a rearwardly angled orientation in a front portion of the upper to a forwardly angled orientation in a rear portion of the upper.
12. An upper comprising:
a textile base layer extending over sides of a generally foot-shaped interior region, the textile base layer including an outer edge, tongue opening edges, and ankle opening edges, the textile base layer further including an exterior face extending between the outer edge and the tongue opening edges and between the outer edge and the ankle opening edges; and
a fiber-reinforced layer comprising first and second panels, each of the first and second panels being a single seamless and continuous piece of composite material that includes reinforcing fibers bound in a polymer matrix, wherein
the first panel includes an interior face, at least portions of the interior face of the first panel being bonded to portions of the exterior face of the textile base layer,
the second panel includes an interior face, at least portions of the interior face of the second panel being bonded to different portions of the exterior face of the textile base layer,
the first panel includes portions located in lateral forefoot, lateral midfoot, lateral heel, and medial heel regions of the upper and extends from the outer edge of the base layer to a top portion of the base layer generally corresponding to part of an instep region and to part of an ankle opening region,
the first panel includes a plurality of first strips, the first strips separated by and defining first inter-strip gaps in the first panel, the first strips distributed across the lateral forefoot, the lateral midfoot, the lateral heel, and the medial heel regions,
the first panel includes a central strip extending upwardly along a central heel region, and a plurality of strips branch outwardly and upwardly from the central strip toward the lateral heel region and a plurality of strips branch outwardly and upwardly from the central strip toward the medial heel region, and
the second panel comprises a plurality of second strips separated by and defining second inter-strip gaps in the second panel, the second strips distributed across a medial forefoot region of the upper, a medial midfoot region of the upper, and the medial heel region.
13. The upper of claim 12 , wherein the reinforcing fibers comprise at least one of woven polyester fibers, woven polyamide fibers, glass fibers, and carbon fibers.
14. The upper of claim 1 , wherein the upper extends from a bottom portion of the base layer corresponding to a footbed perimeter to a top portion of the base layer corresponding to part of an instep region and to part of an ankle opening region.
15. The upper of claim 1 , wherein the first panel includes a portion extending continuously along the outer edge in the lateral forefoot, the lateral midfoot, the lateral heel, the central heel, and the medial heel regions.
16. The upper of claim 1 , wherein, as to each of a plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge and are unjoined at top ends of those strips located in the lateral forefoot region near one of the tongue opening edges,
the inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the plurality, to the top ends of the two of the strips defining the inter-strip gap of the plurality, and
the inter-strip gap of the plurality is open at the top ends of the two of the strips defining the inter-strip gap of the plurality.
17. The upper of claim 1 wherein, as to each of a plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge and are unjoined at top ends of those strips located in the lateral midfoot region near one of the tongue opening edges,
the inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the plurality, to the top ends of the two of the strips defining the inter-strip gap of the plurality, and
the inter-strip gap of the plurality is open at the top ends of the two of the strips defining the inter-strip gap of the plurality.
18. The upper of claim 1 wherein, as to each of a plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge in the lateral heel region and are unjoined at top ends of those strips located in the lateral midfoot region near one of the tongue opening edges,
the inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the plurality, to the top ends of the two of the strips defining the inter-strip gap of the plurality, and
the inter-strip gap of the plurality is open at the top ends of the two of the strips defining the inter-strip gap of the plurality.
19. The upper of claim 1 , wherein,
as to each of a first plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the first plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge and are unjoined at top ends of those strips located in the lateral forefoot region near one of the tongue opening edges,
the inter-strip gap of the first plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the first plurality, to the top ends of the two of the strips defining the inter-strip gap of the first plurality, and
the inter-strip gap of the first plurality is open at the top ends of the two of the strips defining the inter-strip gap of the first plurality, and
as to each of a second plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the second plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge and are unjoined at top ends of those strips located in the lateral midfoot region near one of the tongue opening edges,
the inter-strip gap of the second plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the second plurality, to the top ends of the two of the strips defining the inter-strip gap of the second plurality, and
the inter-strip gap of the second plurality is open at the top ends of the two of the strips defining the inter-strip gap of the second plurality, and
as to each of a third plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the third plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge in the lateral heel region and are unjoined at top ends of those strips located in the lateral midfoot region near one of the tongue opening edges,
the inter-strip gap of the third plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the third plurality, to the top ends of the two of the strips defining the inter-strip gap of the third plurality, and
the inter-strip gap of the third plurality is open at the top ends of the two of the strips defining the inter-strip gap of the third plurality.
20. The upper of claim 8 , wherein, as to each of a plurality of the second inter-strip gaps,
two of the second strips defining the second inter-strip gap of the plurality are joined at bottom ends of those second strips by a portion of the second panel adjacent the outer edge and are unjoined at top ends of those second strips located in the medial forefoot region near one of the tongue opening edges,
the second inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the second strips defining the second inter-strip gap of the plurality, to the top ends of the two of the second strips defining the second inter-strip gap of the plurality, and
the second inter-strip gap of the plurality is open at the top ends of the two of the second strips defining the second inter-strip gap of the plurality.
21. The upper of claim 8 , wherein, as to each of a plurality of the second inter-strip gaps,
two of the second strips defining the second inter-strip gap of the plurality are joined at bottom ends of those second strips by a portion of the second panel adjacent the outer edge and are unjoined at top ends of those second strips located in the medial midfoot region near one of the tongue opening edges,
the second inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the second strips defining the second inter-strip gap of the plurality, to the top ends of the two of the second strips defining the second inter-strip gap of the plurality, and
the second inter-strip gap of the plurality is open at the top ends of the two of the second strips defining the second inter-strip gap of the plurality.
22. The upper of claim 8 , wherein, as to each of a plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge in the medial heel region and are unjoined at top ends of those strips located in the medial midfoot region near one of the tongue opening edges,
the inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the plurality, to the top ends of the two of the strips defining the inter-strip gap of the plurality, and
the inter-strip gap of the plurality is open at the top ends of the two of the strips defining the inter-strip gap of the plurality.
23. The upper of claim 8 , wherein,
as to each of a first plurality of the second inter-strip gaps,
two of the second strips defining the second inter-strip gap of the first plurality are joined at bottom ends of those second strips by a portion of the second panel adjacent the outer edge and are unjoined at top ends of those second strips located in the medial forefoot region near one of the tongue opening edges,
the second inter-strip gap of the first plurality extends continuously, from the bottom ends of the two of the second strips defining the second inter-strip gap of the first plurality, to the top ends of the two of the second strips defining the second inter-strip gap of the first plurality, and
the second inter-strip gap of the first plurality is open at the top ends of the two of the second strips defining the second inter-strip gap of the first plurality, and
as to each of a second plurality of the second inter-strip gaps,
two of the second strips defining the second inter-strip gap of the second plurality are joined at bottom ends of those second strips by a portion of the second panel adjacent the outer edge and are unjoined at top ends of those second strips located in the medial midfoot region near one of the tongue opening edges,
the second inter-strip gap of the second plurality extends continuously, from the bottom ends of the two of the second strips defining the second inter-strip gap of the second plurality, to the top ends of the two of the second strips defining the second inter-strip gap of the second plurality, and
the second inter-strip gap of the second plurality is open at the top ends of the two of the second strips defining the second inter-strip gap of the second plurality, and
as to each of a plurality of the inter-strip gaps,
two of the strips defining the inter-strip gap of the plurality are joined at bottom ends of those strips by a portion of the first panel adjacent the outer edge in the medial heel region and are unjoined at top ends of those strips located in the medial midfoot region near one of the tongue opening edges,
the inter-strip gap of the plurality extends continuously, from the bottom ends of the two of the strips defining the inter-strip gap of the plurality, to the top ends of the two of the strips defining the inter-strip gap of the plurality, and
the inter-strip gap of the plurality is open at the top ends of the two of the strips defining the inter-strip gap of the plurality.
24. The upper of claim 1 , wherein the bonding material comprises thermoplastic polyurethane.
25. The upper of claim 1 , wherein the first panel comprises lacing eyelets located at top ends of a plurality of the strips, and wherein each of the strips of the plurality is not bonded to the exterior face of the base layer.
26. The upper of claim 13 , wherein the base layer comprises a continuous single-piece knitted element.
27. The upper of claim 26 , wherein at least portions of the interior face of the first panel are bonded to portions of the exterior face of the textile base layer by penetration of solidified bonding material forming those bonded portions of the interior face of the first panel into interstices of the exterior face.
28. The upper of claim 27 , wherein the first panel comprises lacing eyelets located at top ends of a plurality of the strips, and wherein each of the strips of the plurality is not bonded to the exterior face of the base layer.