Improvements introduced in the processes of manufacture by injection of heels for the shoes (Machine-translation by Google Translate, not legally binding)

摘要

Process and device of manufacture by injection of heels for shoes. It consists of the use of a molde constituted by two parts, superior and lower, that fit in between through outputs and reductions. A space alojo the heel (1), wood or plastic, and surrounding the strips (3, 4) of leather or appropriate material, which in its bottom dispose of a zone (5) of thermoplastic material. The injection material is inserted at the top of the mold through the duct (12) solidarizing the strips (3,4) with the heel and lowering the sole with the injected material similar to that of the zones (5) of the strips, constituting the set a body monobloque. (Machine-translation by Google Translate, not legally binding)