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Individual
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Priority to ES0268982ApriorityCriticalpatent/ES268982A1/en
Publication of ES268982A1publicationCriticalpatent/ES268982A1/en
Improvements in the couplings of pipes, characterized by coupling the ends, smooth or flared, of the pipes to be joined, by means of an inner sleeve, to which the pipes are fixed by bayonet socket, and on which it is arranged, fitted in a groove central of its outer surface, an elastic ring that is included between the edges of both pipes, ensuring the tightness of the coupling. (Machine-translation by Google Translate, not legally binding)
ES0268982A1961-07-111961-07-11Improvements in the couplings for pipes (Machine-translation by Google Translate, not legally binding)
ExpiredES268982A1
(en)