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Priority to ES0219541ApriorityCriticalpatent/ES219541A2/en
Publication of ES219541A2publicationCriticalpatent/ES219541A2/en
Improvements introduced in the object of the main patent no. 212.507, filed on november 28, 1953 for "perfections in espresso coffee machines with boiler", characterized in that the tube or tubes that connect the conduits of the supporting arms of the hoods with the boiler, they are combined with a thermosyphon tube to return the water to the boiler, so that said water circulates continuously through the said tubes, by the principle of temperature differences, whether the infusion steps are open or not of coffees, and leaving always at appropriate temperature by the corresponding arms. (Machine-translation by Google Translate, not legally binding)
ES0219541A1955-01-151955-01-15Improvements in express cafeteras with caldera (Machine-translation by Google Translate, not legally binding)
ExpiredES219541A2
(en)
Improvements in the procedures of automatic transfer of liquids, with the corresponding apparatus to make them (Machine-translation by Google Translate, not legally binding)
A system, applied to cafeteras, of maintaining water at temperatures above 100º, without steam formation (Machine-translation by Google Translate, not legally binding)