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Priority to ES0256525ApriorityCriticalpatent/ES256525A3/en
Publication of ES256525A3publicationCriticalpatent/ES256525A3/en
Improvements in the joints for tubes of synthetic resins, consisting essentially of endowing one of the tubes with a widening at their coupling end, this enlargement being obtained by hot deformation, and coupling in said widening the end of the other tube to be joined, after interposition between both of one or more seals or elastically tight seal, housed in turn in the widening of the outer tube, after which the contraction is caused by heating the widened end of that tube, which will be completely adapted to the inner tube and the elastic packing (s). (Machine-translation by Google Translate, not legally binding)
ES0256525A1960-03-081960-03-08Improvements in the unions for tubes of synthetic resins (Machine-translation by Google Translate, not legally binding)
ExpiredES256525A3
(en)
Improvements in the manufacture of cup joints and elastic ring for the unión of thinoplastic synthetic resin pipes (Machine-translation by Google Translate, not legally binding)