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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hispano-Italiana De Cimentaciones Especiales Y Ob
Original Assignee
Hispano-Italiana De Cimentaciones Especiales Y Ob
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Filing date
Publication date
Application filed by Hispano-Italiana De Cimentaciones Especiales Y ObfiledCriticalHispano-Italiana De Cimentaciones Especiales Y Ob
Priority to ES1970164331UpriorityCriticalpatent/ES164331Y/en
Publication of ES164331UpublicationCriticalpatent/ES164331U/en
Application grantedgrantedCritical
Publication of ES164331YpublicationCriticalpatent/ES164331Y/en
A hydraulic collar, especially designed to drive large diameter tubes in soft or with poor consistency, characterized by comprising a jaw formed by a fixed sector on which, by means of axes, articulate two mobile sectors whose free ends are related between if by means of a hydraulic cylinder or closing jack that, like the rest of the appliance, is put into service by a motor or hydraulic control unit of suitable characteristics, through the corresponding conductions controlled by valves of manual or automatic operation. (Machine-translation by Google Translate, not legally binding)
ES1970164331U1970-12-171970-12-17
A HYDRAULIC COLLAR.
ExpiredES164331Y
(en)