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Individual
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Priority to ES113742UpriorityCriticalpatent/ES113742Y/en
Publication of ES113742UpublicationCriticalpatent/ES113742U/en
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Publication of ES113742YpublicationCriticalpatent/ES113742Y/en
Electric thermo essentially characterized by consisting of a substantially cylindrical container that in its upper central part has an opening intended to fit the water inlet pipe being flanked this opening by two smaller one for input of a cable for connection of an electrical resistance and another for the entrance of a tube designed to insulate the connection cable from the water inlet pipe a copper tube that takes the form of a coil until it ends in the lower part of the container in an outlet pipe, which is in the center of the appliance. Refractory tube in which the electric resistance is housed for safety purposes, by simply opening the water shut-off valve so that the operation of the device that automatically graduates takes place in inverse ratio the temperature of the volume of liquid that enters the container and leaving the thermos to work on when the water stopcock is closed. (Machine-translation by Google Translate, not legally binding)
ES113742U1965-05-241965-05-24
AN ELECTRIC HEATER.
ExpiredES113742Y
(en)