Mould and method for producing shoe soles of injected plastics material, comprising an empty chamber visible through a transparent material

Abstract

Process for producing shoe soles of injected plastics material, which soles have an empty chamber visible through a transparent material, which process comprises the following steps: a) injection, into a hollow region comprised between a mobile die and a first removable plate, of a multipart tread sole, with at least one of said sole parts being made from a transparent material; b) injection, into a region comprised between said first removable matrix and a second, removable matrix, of a shaped body comprising a perimetrical wall 13 and a top wall 14; c) removal of said first matrix and injection, into the hollow region comprised between said tread sole and said shaped body, of a layer 17 made of a material suitable for bonding the shoe sole and said shaped body to each other; d) removal of said second matrix and injection, into the hollow region comprised between the vamp, the tread sole and the external side of said shaped body, of a material which constitutes the intersole; e) possible either partial or total filling of the empty chamber comprised between the tread sole and said shaped body, with a coloured liquid material.

Dependencies are inferred from the claim text.