Mould for manufacturing boots of thermoplastic materials

Abstract From the Canadian patent

An injection-mould serves to manufacture boots of thermoplastic material, the boot upper having a different colour from the rim of the upper and the walking sole, which both have the same colour. For the injection of the upper and for the subsequent simultaneous injection-moulding of the upper rim of the upper and the walking sole to the injected upper the, injection-mould has a last for receiving a textile sock, a base die having a casting bore for injecting the walking sole, a further base die having a casting bore for injecting the upper and two lateral parts. The lateral parts have wedge elements mould elements, and cover elements. In their closed position for injecting the upper rim of …