The molding machine of the present invention comprises a screw extruder for extruding plastic material. A plurality of molds are moved one at a time to the outlet end of the extruder for receiving the plastic material therefrom. One end of the mold is open for receiving the plastic material and the opposite...http://www.google.fr/patents/US4626189?utm_source=gb-gplus-shareBrevet US4626189 - Method and machine for forming articles from a plastic material
Method and machine for forming articles from a plastic material
