Sandwich-type reinforcement element for rigid or at least semi-rigid patent patent patent patent patent patent patent patent shoes, usable as part of the sole or palm plant.

摘要

Invention Patent: B "Sanitary TYPE REFORCE ELEMENT FOR RAGID O R SEMI-GID PURPOSE, USED AS PART OF SOLA OR PALMLE UNIT" D " for a lower (4) part of footwear (2, 3),a rigid or at least semi-rigid element of behaviour suitable for use as the sole unit or as an inner palm or foothold for footwear, the latter comprising a gas (7) associated with the bottom (4) of the footwear. This element (1) comprises at least three mutually associated superpower parts (13, 14, 15) defining a sandwich structure (1A);external parts (13, 14) having greater rigidity than internal parts (15),these parts being tightly joined to form a single body (1A).