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Priority to ES0074932UpriorityCriticalpatent/ES74932Y/en
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Publication of ES74932YpublicationCriticalpatent/ES74932Y/en
Improved seal for tubes of synthetic material, of the type in which the airtightness is achieved by arranging elastically deformable rings by rolling on the ends of pipes to be joined, characterized essentially by the fact that it has a sleeve provided with two internal steps, with the consequent diameter drafts, the corresponding elastic rings being located next to said steps, one of which rests against the respective staggering, while the other is held in position by a retaining sleeve. (Machine-translation by Google Translate, not legally binding)
ES0074932U1959-07-031959-07-03
Improved gasket for plastic pipes
ExpiredES74932Y
(en)