Sandwich-type footwear stiffening element of rigid or at...

Details Sandwich-type footwear stiffening element of rigid or at... Sandwich-type footwear stiffening element of rigid or at...

A - Human Necessities

43

B

A43B 13/12 (2006.01) A43B 13/16 (2006.01) A43B 13/41 (2006.01) A43B 13/42 (2006.01)

Patent

CA 2257443

For a lower part (4) of footwear (2,3), an element of rigid or semi-rigid behaviour suitable for use as the sole unit or as an insole or internal foot support for the footwear, this latter comprising a vamp (7) associated with the lower portion (4) of the footwear. Said element (1) comprises at least three mutually associated layer portions (13, 14, 15) defining a sandwich structure (1A); the outer portions (13, 14) having greater rigidity than the inner portion (15), these portions being stably joined together to form a single body (1A).

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