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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SAMPER MORAN MARIA
Original Assignee
SAMPER MORAN MARIA
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Application filed by SAMPER MORAN MARIAfiledCriticalSAMPER MORAN MARIA
Priority to ES0053915UpriorityCriticalpatent/ES53915Y/en
Publication of ES53915UpublicationCriticalpatent/ES53915U/en
Application grantedgrantedCritical
Publication of ES53915YpublicationCriticalpatent/ES53915Y/en
Processing Of Stones Or Stones Resemblance Materials
(AREA)
Drilling Tools
(AREA)
Abstract
Manual drill for concrete, characterized in that the metal bar that constitutes its main body and its handle is provided with flat faces, edges or other means of adhesion that allow to turn it manually during its handling, and in a certain area of its end of hardened steel through special treatment, provided with grooved grooves that determine longitudinal ribs that rise as they approach the end, having their sharp edges and converging at their geometric center, in which they form a point of attack, with a starry drilling mouth and cutting. (Machine-translation by Google Translate, not legally binding)
ES0053915U1956-04-261956-04-26
Manual drill for concrete
ExpiredES53915Y
(en)
Improvements in the iron repair tools that have been employed in concrete formings for concrete constructions (Machine-translation by Google Translate, not legally binding)