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Priority to ES1972179021UpriorityCriticalpatent/ES179021Y/en
Publication of ES179021UpublicationCriticalpatent/ES179021U/en
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Publication of ES179021YpublicationCriticalpatent/ES179021Y/en
Pressure closure, consisting essentially of a hollow body with two holes of different diameter that communicate with each other by a neck of smaller width, the smaller of which is capable of retaining the head of a rod integral with the body, complementary to the closure, being housed inside the hollow body a spring comprising two rare that are located close and parallel in an area opposite the hole of greater diameter and neck described and reach to the area located next to the hole of smaller diameter, in the that the head of that rod is retained, once introduced and slid under pressure between the indicated spring and neck. (Machine-translation by Google Translate, not legally binding)
Improvements in or relating to combinations ofa body having a cylindrical inner surface witha body movable therein having a cylindrical outer surface, and hot-gas reciprocating apparatus provided with such combinations