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Individual
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Individual
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Priority to ES0243440ApriorityCriticalpatent/ES243440A3/en
Publication of ES243440A3publicationCriticalpatent/ES243440A3/en
Improved box for washing coal, characterized in that it consists of a tank equipped with a perforated bottom, divided into two sections, the bottom of the first section being inclined and the second section horizontal, with the entrance of raw coal and the exit of washed coal, respectively, while the sterile elevators that extract them are also placed, elevating them, after having let them drain a little, joining the deposited sterile ones, those that have fallen through the bottom that are driven by means of a endless stump. (Machine-translation by Google Translate, not legally binding)
ES0243440A1958-08-011958-08-01Perfected box for washing carbon (Machine-translation by Google Translate, not legally binding)
ExpiredES243440A3
(en)