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SECALL BAN S FRANCISCO
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SECALL BAN S FRANCISCO
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Application filed by SECALL BAN S FRANCISCOfiledCriticalSECALL BAN S FRANCISCO
Priority to ES0006179UpriorityCriticalpatent/ES6179Y/en
Publication of ES6179UpublicationCriticalpatent/ES6179U/en
Application grantedgrantedCritical
Publication of ES6179YpublicationCriticalpatent/ES6179Y/en
Improvements in the tubes for electric heating characterized essentially by arranging the filament-resistance inside an insulating tube, filling it with a mineral powder not conductive of the electric current that at the temperature at which the resistance rises is incapable of reacting with it; and in filling with the same substance or another of similar conditions the space or game remaining between the insulating tube and the metal tube (Machine-translation by Google Translate, not legally binding)
ES0006179U1940-12-311940-12-31
Improvements in tubes for electric heating.
ExpiredES6179Y
(en)
Resistors for refractory material for electric stoves with curved fins that have notches on the outside to cope with the resistance. (Machine-translation by Google Translate, not legally binding)