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.)
RAFFAGHELLO TERENZIO
Original Assignee
RAFFAGHELLO TERENZIO
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RAFFAGHELLO TERENZIOfiledCriticalRAFFAGHELLO TERENZIO
Priority to ES0309709ApriorityCriticalpatent/ES309709A3/en
Publication of ES309709A3publicationCriticalpatent/ES309709A3/en
Improvements introduced in the valves with rotary spherical shutter and which are also provided with a snap-on seal, characterized in that at least one side of the obturator is provided with an annular closing seal which is pushed against the seal itself by means mechanical or by a fluid pressure, for example a hydraulic pressure. (Machine-translation by Google Translate, not legally binding)
ES0309709A1965-02-231965-02-23Improvements introduced in valves with swivel spheres. (Machine-translation by Google Translate, not legally binding)
ExpiredES309709A3
(en)
Security valve and discharge for a hydraulic circuit, fundamentally for the supports of the mines. (Machine-translation by Google Translate, not legally binding)