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Priority to ES0064640UpriorityCriticalpatent/ES64640Y/en
Publication of ES64640UpublicationCriticalpatent/ES64640U/en
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Publication of ES64640YpublicationCriticalpatent/ES64640Y/en
Coupling sleeve for tubes of plastic material, characterized essentially by the fact that inside it has a circular stepped section whose section constitutes a toothing inclined in the direction of plug of the tube to be coupled, such that it allows the tube to enter, but prevents its recoil when the indented teeth in question in the walls of the elastic tube. (Machine-translation by Google Translate, not legally binding)
ES0064640U1958-02-201958-02-20
Coupling sleeve for pipes
ExpiredES64640Y
(en)