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US 7,631,383 B2Granted
Waterproofed breathable sole for shoes and method for the manufacture thereof
AssigneeGEOX S.p.A.
InventorMario Polegato Moretti
Life of this patent
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Abstract
A waterproofed and breathable sole for shoes, which comprises a tread made of leather, or similar breathable and water-permeable material, which is at least partially covered in an upward region by a membrane made of a material that is breathable and impermeable to water and is perimetrically joined to the tread with the interposition of a sealant or by direct adhesion thereof so as to provide a seal.
Claims2
A method for producing a sole, comprising:
- providing a tread made of leather, or similar breathable and water-permeable material, which is at least partially covered in an upward region by a membrane made of a material that is breathable and impermeable to water and is joined to the tread by direct adhesion thereof so as to provide a seal, said membrane being constituted by a hydrophilic polymer, such as polyurethane, and being provided on said tread and self-sealed thereon;
- spreading said hydrophilic polymer on the upper part of the tread;
- performing catalysis at high temperature or at a low temperature by adding reaction promoters;
- and
- allowing cooling.
2 more elements
Dependencies are inferred from the claim text.