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Priority to ES1971165357UpriorityCriticalpatent/ES165357Y/en
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Publication of ES165357YpublicationCriticalpatent/ES165357Y/en
Improved grinding mill, essentially characterized in that it comprises a rotating shaft having several groups of radial arms respectively in different planes, whose arms are extendable and carry on their ends rollers axially parallel to said shaft, which press by centrifugal expansion and roll through the internal side surface of a vertical cylinder on whose ends said shaft is supported, while between said groups of arms said shaft axially presents reciprocating discs that successively receive the product to be milled, through the upper mouth of the cylinder, spreading it centrifugally on the field of the rollers, until its exit through the lower mouth of the cylinder. (Machine-translation by Google Translate, not legally binding)