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Priority to ES0045576UpriorityCriticalpatent/ES45576Y/en
Publication of ES45576UpublicationCriticalpatent/ES45576U/en
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Publication of ES45576YpublicationCriticalpatent/ES45576Y/en
Mold for the manufacture of calorific rubber bags, comprising a bipartite box that determines the external configuration of the bag to be manufactured, characterized in that the two parts (1, 2) that constitute said box are provided in the portion corresponding to the neck of a housing (12, 13) for fitting a core (14) appropriately for molding the internal face of said neck and provided on its inner end with a short cylindrical appendix (15) for molding an annular flange (16) as a flange inside the neck. (Machine-translation by Google Translate, not legally binding)
ES0045576U1954-12-221954-12-22
Mold for the manufacture of rubber heating bags
ExpiredES45576Y
(en)
Improvements in the manufacture by molding by injection of fibrocement parts with curved parts (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the system of manufacture of hollow bodies by molding of plastic materials (Machine-translation by Google Translate, not legally binding)