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Priority to ES1971197504UpriorityCriticalpatent/ES197504Y/en
Publication of ES197504UpublicationCriticalpatent/ES197504U/en
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Publication of ES197504YpublicationCriticalpatent/ES197504Y/en
Improved watertight articulation, characterized in that it comprises a female annular member into which a relatively angular angularly annular male member can be extended and which are connected together by a ring, annular member; including each of the couplings between the female member and the connector member and between the connector member and the male member, an annular piston positioned within a closed, partially spherical annular cylinder and filled with fluid. (Machine-translation by Google Translate, not legally binding)
Spherical articulation in the form of angular articulation especially for varillajes unions. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of fuel closures for joint and similar joints (Machine-translation by Google Translate, not legally binding)
An articulated gasket device of a helicid hydraulicaplanetary machine with a well background (Machine-translation by Google Translate, not legally binding)