Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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SERRA SOLA RAMONA
Original Assignee
SERRA SOLA RAMONA
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Filing date
Publication date
Application filed by SERRA SOLA RAMONAfiledCriticalSERRA SOLA RAMONA
Priority to ES0033257UpriorityCriticalpatent/ES33257Y/en
Publication of ES33257UpublicationCriticalpatent/ES33257U/en
Application grantedgrantedCritical
Publication of ES33257YpublicationCriticalpatent/ES33257Y/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Improved thread die or bearing, which is essentially characterized by being made up of a cylindrical body, by one of whose bases or faces protrude somewhat the carrier flaps of the internal thread, these protruding parts forming the cutting blades in variable number and arranged following internally the said filleting and these blades being of the same section as each fin or smaller. (Machine-translation by Google Translate, not legally binding)
ES0033257U1952-10-221952-10-22
Thread row or bearing, perfected
ExpiredES33257Y
(en)
Procedure for obtaining sulfonamide salts from general formula r1nhc6h4nr2r3 with the antibiotic erythromycin and its derivatives. (Machine-translation by Google Translate, not legally binding)