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BONACHELA PERRES ANGEL
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BONACHELA PERRES ANGEL
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Application filed by BONACHELA PERRES ANGELfiledCriticalBONACHELA PERRES ANGEL
Priority to ES0075558UpriorityCriticalpatent/ES75558Y/en
Publication of ES75558UpublicationCriticalpatent/ES75558U/en
Application grantedgrantedCritical
Publication of ES75558YpublicationCriticalpatent/ES75558Y/en
An automatic counter-punch, essentially constituted by an elongated cylindrical shell, provided at its upper end with a threaded head with a pressure screw and a frustoconical end in which there is a displaceable shank, whose protruding end, duly sharpened, marks the metal part desired, being located inside the main cylindrical shell an assembly consisting of a displaceable piston, a helical spring, and a retainer piece, whose displacement determines an impact on the inner end of the rod, which causes the end external of this, mark a circular point on the metal piece in which it is being drawn. (Machine-translation by Google Translate, not legally binding)