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Priority to ES227121ApriorityCriticalpatent/ES227121A1/en
Publication of ES227121A1publicationCriticalpatent/ES227121A1/en
Improvements introduced in injection molding machines characterized by joining the injection piston to a concentric double piston system consisting of a tubular part with its flanged end and fitted perfectly in a static cylinder in whose closed base is installed another cylindrical part that fits inside the tubular piece constituting the second cylinder-piston system, connecting the two varied chambers created in the first with the low pressure installation, and the inner chamber created between the mobile tubular part and the fixed cylindrical one, with the installation of high pressure through a duct made in the last. (Machine-translation by Google Translate, not legally binding)
ES227121A1956-03-051956-03-05Improvements introduced in molding machines by injection. (Machine-translation by Google Translate, not legally binding)
ExpiredES227121A1
(en)