Plant in which the plastic material is melted and injected into a mould made according to the negative to be produced. It consists of an injection unit and a clamping unit. The injection unit has the task of heating, and then laminating the material and push it inside the mould, thanks to the action of a piston or a screw; while the closure unit has the task of keeping the mould closed.
EVA (Ethyl Vinyl Acetate) injection machine into a mould. The material expansion takes place during the the mould phase. For this reason the mould cavities are smaller than the final dimensions of the product.
System for processing polyurethane by injection. The polyol and isocyanate are mixed by the injection screw before being pushed inside the mould. Can be adopted for the direct injection of soles on the upper.