Multi-co-injection nozzle injection molding and injection blow-molding apparatus for injection molding and injection blow-molding a multi-layer plastics article, parison or container, including a plurality of co-injection nozzles, means associated with the nozzles to channel each material stream which...http://www.google.es/patents/US5037285?utm_source=gb-gplus-sharePatente US5037285 - Apparatus for injection molding and injection blow molding multi-layer articles
Apparatus for injection molding and injection blow molding multi-layer articles
