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OCHANDIANO ELGUEA CECILIO
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OCHANDIANO ELGUEA CECILIO
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Application filed by OCHANDIANO ELGUEA CECILIOfiledCriticalOCHANDIANO ELGUEA CECILIO
Priority to ES1969147247UpriorityCriticalpatent/ES147247Y/en
Publication of ES147247UpublicationCriticalpatent/ES147247U/en
Application grantedgrantedCritical
Publication of ES147247YpublicationCriticalpatent/ES147247Y/en
Hydraulic jack of double action, characterized in that the base has in its upper part the threaded anchors, concentric and staggered in depth, for a central tube that constitutes the inner wall of the pressure chamber and whose central hollow is totally practicable, for a intermediate tube constituting the outer wall of the hydraulic pressure chamber and for an outer tubular jacket whose upper part is closed to allow the assembly of the outer sliding guide element for the piston. (Machine-translation by Google Translate, not legally binding)
Hollow hammer device, intended for hiding in the soil tubes molds or metal tubular molds. (Machine-translation by Google Translate, not legally binding)