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US 12,622,483 B2Granted
Soles for sports shoes
Assigneeadidas AG
InventorsStuart David Reinhardt, Darren Michael Wood, Angus Wardlaw, Timothy Kelvin Robinson, John Whiteman
Life of this patent
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Abstract
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.
Claims12
A sole for a shoe comprising:
- at least a first surface region and a second surface region,
- wherein the first surface region extends over a length of the sole and comprises an expanded thermoplastic polyurethane, wherein adjacent thermoplastic polyurethane particles are directly bonded to one another at their surfaces to form a granular but closed plastic foam structure free of gaps passing therethrough,
- wherein the granular but closed plastic foam varies in thickness from a forefoot region toward a heel region;
- wherein the second surface region is free from expanded material;
- and
- wherein the second surface region is arranged at a rim of the sole or is an outsole.
3 more elements
A sole for a shoe comprising:
- at least a first surface region and a second surface region,
- wherein the first surface region extends over a length of the sole and comprises an expanded thermoplastic polyurethane, wherein adjacent thermoplastic polyurethane particles are directly bonded to one another at their surfaces to form a granular but closed plastic foam structure free of gaps passing therethrough,
- wherein the expanded thermoplastic polyurethane varies in thickness from a forefoot region toward a heel region;
- wherein the second surface region comprises thermoplastic polyurethane and is free from expanded material;
- and
- wherein the second surface region is arranged at a rim of the sole or is an outsole.
3 more elements
Dependencies are inferred from the claim text.