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Perforacion S A
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Perforacion S A
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Application filed by Perforacion S AfiledCriticalPerforacion S A
Priority to ES0329794ApriorityCriticalpatent/ES329794A3/en
Publication of ES329794A3publicationCriticalpatent/ES329794A3/en
Perfections in drilling hammers, which are essentially characterized by incorporating inside the cylinder, an elastic piece, designed to stop the blow of the piston on the head, thereby absorbing any possible reaction, and vibrations are avoided in the hammer. (Machine-translation by Google Translate, not legally binding)
ES0329794A1966-08-021966-08-02Perfection in hammer drills. (Machine-translation by Google Translate, not legally binding)
ExpiredES329794A3
(en)